Importing SVN archives - Trunk

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-accounts/pom.xml

@@ -4,12 +4,12 @@
 	<parent>
 		<artifactId>legacyworlds-server-beans</artifactId>
 		<groupId>com.deepclone.lw</groupId>
-		<version>5.99.1</version>
+		<version>5.99.2</version>
 	</parent>
 
 	<groupId>com.deepclone.lw</groupId>
 	<artifactId>legacyworlds-server-beans-accounts</artifactId>
 	<name>Legacy Worlds account management</name>
-	<version>5.99.1</version>
+	<version>5.99.2</version>
 	<description>This package contains the beans responsible for managing accounts, including registration, inactivity checks, bans and authentication.</description>
 </project>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-bt/pom.xml

@@ -4,7 +4,7 @@
 	<parent>
 		<artifactId>legacyworlds-server-beans</artifactId>
 		<groupId>com.deepclone.lw</groupId>
-		<version>5.99.1</version>
+		<version>5.99.2</version>
 	</parent>
 
 	<dependencies>
@@ -20,6 +20,6 @@
 
 	<groupId>com.deepclone.lw</groupId>
 	<artifactId>legacyworlds-server-beans-bt</artifactId>
-	<version>5.99.1</version>
+	<version>5.99.2</version>
 	<name>Legacy Worlds bug tracking system</name>
 </project>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-bt/src/main/java/com/deepclone/lw/beans/bt/EmpireSummaryBean.java

@@ -28,6 +28,7 @@ public class EmpireSummaryBean
 
 	private final RowMapper< DebugInformation > mMainInfo;
 	private final RowMapper< ResearchInformation > mResearch;
+	private final RowMapper< TechnologyInformation > mTechnology;
 	private final RowMapper< PlanetInformation > mPlanet;
 	private final RowMapper< QueueItemInformation > mQueueItem;
 	private final RowMapper< BuildingsInformation > mBuildings;
@@ -42,7 +43,8 @@ public class EmpireSummaryBean
 				AccountInformation.class , AllianceInformation.class , BuildingsInformation.class ,
 				DebugInformation.class , EmpireInformation.class , FleetInformation.class , MovementInformation.class ,
 				PlanetInformation.class , QueueInformation.class , QueueItemInformation.class ,
-				ResearchInformation.class , ShipsInformation.class , SystemInformation.class
+				ResearchInformation.class , TechnologyInformation.class , ShipsInformation.class ,
+				SystemInformation.class
 		} );
 
 		this.mMainInfo = new RowMapper< DebugInformation >( ) {
@@ -83,13 +85,23 @@ public class EmpireSummaryBean
 					throws SQLException
 			{
 				ResearchInformation ri = new ResearchInformation( );
-				ri.setId( rs.getInt( "line_id" ) );
+				ri.setName( rs.getString( "name" ) );
-				ri.setCurrentLevel( rs.getInt( "level" ) );
-				ri.setLevelName( rs.getString( "name" ) );
 				ri.setAccumulated( rs.getDouble( "accumulated" ) );
+				ri.setPriority( rs.getInt( "priority" ) );
 				return ri;
 			}
 		};
+		this.mTechnology = new RowMapper< TechnologyInformation >( ) {
+			@Override
+			public TechnologyInformation mapRow( ResultSet rs , int rowNum )
+					throws SQLException
+			{
+				TechnologyInformation ti = new TechnologyInformation( );
+				ti.setName( rs.getString( "name" ) );
+				ti.setImplemented( rs.getBoolean( "implemented" ) );
+				return ti;
+			}
+		};
 		this.mPlanet = new RowMapper< PlanetInformation >( ) {
 			@Override
 			public PlanetInformation mapRow( ResultSet rs , int rowNum )
@@ -199,9 +211,10 @@ public class EmpireSummaryBean
 		DebugInformation di = this.dTemplate.queryForObject( sql , this.mMainInfo , empireId );
 
 		sql = "SELECT * FROM bugs.dump_research_view WHERE empire_id = ?";
-		for ( ResearchInformation ri : this.dTemplate.query( sql , this.mResearch , empireId ) ) {
+		di.getResearch( ).addAll( this.dTemplate.query( sql , this.mResearch , empireId ) );
-			di.getResearch( ).add( ri );
+
-		}
+		sql = "SELECT * FROM bugs.dump_technologies_view WHERE empire_id = ?";
+		di.getTechnologies( ).addAll( this.dTemplate.query( sql , this.mTechnology , empireId ) );
 
 		sql = "SELECT * FROM bugs.dump_planets_view WHERE empire_id = ?";
 		Map< Integer , PlanetInformation > planets = new HashMap< Integer , PlanetInformation >( );

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-bt/src/main/java/com/deepclone/lw/beans/bt/esdata/DebugInformation.java

@@ -15,26 +15,29 @@ public class DebugInformation
 		implements Serializable
 {
 
-	private static final long serialVersionUID = 1L;
+	private static final long serialVersionUID = 2L;
 
 	@XStreamAsAttribute
 	@XStreamAlias( "dump-version" )
-	private int version = 1;
+	private final int version = 2;
 
-	private SystemInformation system = new SystemInformation( );
+	private final SystemInformation system = new SystemInformation( );
 
-	private AccountInformation account = new AccountInformation( );
+	private final AccountInformation account = new AccountInformation( );
 
-	private EmpireInformation empire = new EmpireInformation( );
+	private final EmpireInformation empire = new EmpireInformation( );
 
 	@XStreamAlias( "research" )
-	private List< ResearchInformation > research = new LinkedList< ResearchInformation >( );
+	private final List< ResearchInformation > research = new LinkedList< ResearchInformation >( );
+
+	@XStreamAlias( "technologies" )
+	private final List< TechnologyInformation > technologies = new LinkedList< TechnologyInformation >( );
 
 	@XStreamAlias( "planets" )
-	private List< PlanetInformation > planets = new LinkedList< PlanetInformation >( );
+	private final List< PlanetInformation > planets = new LinkedList< PlanetInformation >( );
 
 	@XStreamAlias( "fleets" )
-	private List< FleetInformation > fleets = new LinkedList< FleetInformation >( );
+	private final List< FleetInformation > fleets = new LinkedList< FleetInformation >( );
 
 
 	public int getVersion( )
@@ -67,6 +70,12 @@ public class DebugInformation
 	}
 
 
+	public List< TechnologyInformation > getTechnologies( )
+	{
+		return technologies;
+	}
+
+
 	public List< PlanetInformation > getPlanets( )
 	{
 		return planets;
@@ -78,4 +87,4 @@ public class DebugInformation
 		return fleets;
 	}
 
-}
+}

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-bt/src/main/java/com/deepclone/lw/beans/bt/esdata/ResearchInformation.java

@@ -8,64 +8,34 @@ import com.thoughtworks.xstream.annotations.XStreamAsAttribute;
 
 
 
-@XStreamAlias( "research-line" )
+@XStreamAlias( "research-topic" )
 public class ResearchInformation
 		implements Serializable
 
 {
 
-	private static final long serialVersionUID = 1L;
+	private static final long serialVersionUID = 2L;
 
 	@XStreamAsAttribute
-	@XStreamAlias( "line")
+	private String name;
-	private int id;
-	
-	@XStreamAsAttribute
-	@XStreamAlias( "level")
-	private int currentLevel;
 
 	@XStreamAsAttribute
-	@XStreamAlias( "name")
+	@XStreamAlias( "accumulated-points" )
-	private String levelName;
-
-	@XStreamAsAttribute
-	@XStreamAlias( "accumulated-points")
 	private double accumulated;
 
+	@XStreamAsAttribute
+	private int priority;
 
-	public int getId( )
+
+	public String getName( )
 	{
-		return id;
+		return name;
 	}
 
 
-	public void setId( int id )
+	public void setName( String name )
 	{
-		this.id = id;
+		this.name = name;
-	}
-
-
-	public int getCurrentLevel( )
-	{
-		return currentLevel;
-	}
-
-
-	public void setCurrentLevel( int currentLevel )
-	{
-		this.currentLevel = currentLevel;
-	}
-
-
-	public String getLevelName( )
-	{
-		return levelName;
-	}
-
-
-	public void setLevelName( String levelName )
-	{
-		this.levelName = levelName;
 	}
 
 
@@ -80,4 +50,16 @@ public class ResearchInformation
 		this.accumulated = accumulated;
 	}
 
+
+	public int getPriority( )
+	{
+		return priority;
+	}
+
+
+	public void setPriority( int priority )
+	{
+		this.priority = priority;
+	}
+
 }

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-bt/src/main/java/com/deepclone/lw/beans/bt/esdata/TechnologyInformation.java

@@ -0,0 +1,48 @@
+package com.deepclone.lw.beans.bt.esdata;
+
+
+import java.io.Serializable;
+
+import com.thoughtworks.xstream.annotations.XStreamAlias;
+import com.thoughtworks.xstream.annotations.XStreamAsAttribute;
+
+
+
+@XStreamAlias( "technology" )
+public class TechnologyInformation
+		implements Serializable
+{
+
+	private static final long serialVersionUID = 1L;
+
+	@XStreamAsAttribute
+	private String name;
+
+	@XStreamAsAttribute
+	private boolean implemented;
+
+
+	public String getName( )
+	{
+		return name;
+	}
+
+
+	public void setName( String name )
+	{
+		this.name = name;
+	}
+
+
+	public boolean isImplemented( )
+	{
+		return implemented;
+	}
+
+
+	public void setImplemented( boolean implemented )
+	{
+		this.implemented = implemented;
+	}
+
+}

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-eventlog/pom.xml

@@ -4,12 +4,12 @@
 	<parent>
 		<artifactId>legacyworlds-server-beans</artifactId>
 		<groupId>com.deepclone.lw</groupId>
-		<version>5.99.1</version>
+		<version>5.99.2</version>
 	</parent>
 
 	<groupId>com.deepclone.lw</groupId>
 	<artifactId>legacyworlds-server-beans-eventlog</artifactId>
-	<version>5.99.1</version>
+	<version>5.99.2</version>
 	<name>Legacy Worlds event log</name>
 	<description>This package is responsible for all logging in Legacy Worlds through three different beans (system event logger, admin event logger and user event logger).</description>
 </project>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-events/.classpath

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" output="target/classes" path="src/main/java"/>
+	<classpathentry excluding="**" kind="src" output="target/classes" path="src/main/resources"/>
+	<classpathentry kind="src" output="target/test-classes" path="src/test/java"/>
+	<classpathentry excluding="**" kind="src" output="target/test-classes" path="src/test/resources"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
+	<classpathentry kind="con" path="org.maven.ide.eclipse.MAVEN2_CLASSPATH_CONTAINER"/>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-events/.project

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>legacyworlds-server-beans-events</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.maven.ide.eclipse.maven2Builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.maven.ide.eclipse.maven2Nature</nature>
+	</natures>
+</projectDescription>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-events/.settings/org.eclipse.jdt.core.prefs

@@ -0,0 +1,6 @@
+#Sun Apr 03 09:36:59 CEST 2011
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
+org.eclipse.jdt.core.compiler.compliance=1.6
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
+org.eclipse.jdt.core.compiler.source=1.6

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-events/.settings/org.maven.ide.eclipse.prefs

@@ -0,0 +1,9 @@
+#Sun Apr 03 09:36:59 CEST 2011
+activeProfiles=
+eclipse.preferences.version=1
+fullBuildGoals=process-test-resources
+includeModules=false
+resolveWorkspaceProjects=true
+resourceFilterGoals=process-resources resources\:testResources
+skipCompilerPlugin=true
+version=1

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-events/pom.xml

@@ -0,0 +1,13 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <artifactId>legacyworlds-server-beans</artifactId>
+    <groupId>com.deepclone.lw</groupId>
+    <version>5.99.2</version>
+  </parent>
+  <groupId>com.deepclone.lw</groupId>
+  <artifactId>legacyworlds-server-beans-events</artifactId>
+  <version>5.99.2</version>
+  <name>Game events</name>
+  <description>This module contains components which manage game events.</description>
+</project>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-i18n/pom.xml

@@ -4,13 +4,13 @@
 	<parent>
 		<artifactId>legacyworlds-server-beans</artifactId>
 		<groupId>com.deepclone.lw</groupId>
-		<version>5.99.1</version>
+		<version>5.99.2</version>
 	</parent>
 
 	<groupId>com.deepclone.lw</groupId>
 	<artifactId>legacyworlds-server-beans-i18n</artifactId>
 	<name>Legacy Worlds internationalisation</name>
-	<version>5.99.1</version>
+	<version>5.99.2</version>
 	<description>This package defines the two beans which control server-side internationalised text management.</description>
 
 </project>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-i18n/src/main/java/com/deepclone/lw/beans/i18n/TranslatorBean.java

@@ -6,6 +6,7 @@ import java.util.Set;
 
 import org.springframework.beans.factory.annotation.Autowired;
 
+import com.deepclone.lw.interfaces.i18n.LanguageTranslator;
 import com.deepclone.lw.interfaces.i18n.Translator;
 import com.deepclone.lw.interfaces.i18n.UnknownLanguageException;
 import com.deepclone.lw.interfaces.i18n.UnknownStringException;
@@ -21,6 +22,67 @@ import com.deepclone.lw.interfaces.i18n.UnknownStringException;
 public class TranslatorBean
 		implements Translator
 {
+
+	/**
+	 * Implementation of a language-specific translator.
+	 */
+	private static class LanguageTranslatorImpl
+			implements LanguageTranslator
+	{
+		/** Language used by the translator */
+		private final String language;
+
+		/** Translations store */
+		private final I18NData data;
+
+
+		LanguageTranslatorImpl( String language , TranslatorBean translator )
+		{
+			this.language = language;
+			this.data = translator.data;
+		}
+
+
+		/* Documentation in LanguageTranslator interface */
+		@Override
+		public String getLanguage( )
+		{
+			return this.language;
+		}
+
+
+		/* Documentation in LanguageTranslator interface */
+		@Override
+		public String getLanguageName( )
+		{
+			this.data.readLock( ).lock( );
+			try {
+				return this.data.getLanguageName( language );
+			} finally {
+				this.data.readLock( ).unlock( );
+			}
+		}
+
+
+		/* Documentation in LanguageTranslator interface */
+		@Override
+		public String translate( String string )
+				throws UnknownStringException
+		{
+			this.data.readLock( ).lock( );
+			try {
+				if ( !this.data.hasString( string ) ) {
+					throw new UnknownStringException( string );
+				}
+				return this.data.getTranslation( language , string );
+			} finally {
+				this.data.readLock( ).unlock( );
+			}
+		}
+
+	}
+
+	/** Translations store */
 	private I18NData data;
 
 
@@ -119,4 +181,21 @@ public class TranslatorBean
 		}
 	}
 
+
+	/* Documentation in Translator interface */
+	@Override
+	public LanguageTranslator getLanguageTranslator( String language )
+			throws UnknownLanguageException
+	{
+		this.data.readLock( ).lock( );
+		try {
+			if ( !this.data.isLanguageComplete( language ) ) {
+				throw new UnknownLanguageException( language );
+			}
+			return new LanguageTranslatorImpl( language , this );
+		} finally {
+			this.data.readLock( ).unlock( );
+		}
+	}
+
 }

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-mailer/pom.xml

@@ -4,12 +4,12 @@
 	<parent>
 		<artifactId>legacyworlds-server-beans</artifactId>
 		<groupId>com.deepclone.lw</groupId>
-		<version>5.99.1</version>
+		<version>5.99.2</version>
 	</parent>
 
 	<groupId>com.deepclone.lw</groupId>
 	<artifactId>legacyworlds-server-beans-mailer</artifactId>
-	<version>5.99.1</version>
+	<version>5.99.2</version>
 	<name>Legacy Worlds mailer</name>
 	<description>
 		This package contains the mailer component, which uses LW's i18n system and Spring's mail sending interfaces.

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-naming/pom.xml

@@ -4,12 +4,12 @@
 	<parent>
 		<artifactId>legacyworlds-server-beans</artifactId>
 		<groupId>com.deepclone.lw</groupId>
-		<version>5.99.1</version>
+		<version>5.99.2</version>
 	</parent>
 
 	<groupId>com.deepclone.lw</groupId>
 	<artifactId>legacyworlds-server-beans-naming</artifactId>
-	<version>5.99.1</version>
+	<version>5.99.2</version>
 	<name>Legacy Worlds object naming system</name>
 	<description>This module contains the beans responsible for managing the names of the various objects (players and planets).</description>
 </project>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-simple/pom.xml

@@ -3,11 +3,11 @@
   <parent>
     <artifactId>legacyworlds-server-beans</artifactId>
     <groupId>com.deepclone.lw</groupId>
-    <version>5.99.1</version>
+    <version>5.99.2</version>
   </parent>
   <groupId>com.deepclone.lw</groupId>
   <artifactId>legacyworlds-server-beans-simple</artifactId>
-  <version>5.99.1</version>
+  <version>5.99.2</version>
   <name>Legacy Worlds simple game</name>
   <description>This module contains code that corresponds to a simple "placeholder" game. This code should become obsolete over time, as it is being replaced with actual LWB6 code, until the module can finally be removed.</description>
 </project>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-simple/src/main/java/com/deepclone/lw/beans/empire/EmpireDAOBean.java

@@ -4,9 +4,7 @@ package com.deepclone.lw.beans.empire;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.sql.Types;
-import java.util.HashMap;
 import java.util.List;
-import java.util.Map;
 
 import javax.sql.DataSource;
 
@@ -20,8 +18,6 @@ import com.deepclone.lw.cmd.player.gdata.NameIdPair;
 import com.deepclone.lw.cmd.player.gdata.PlanetListData;
 import com.deepclone.lw.cmd.player.gdata.empire.OverviewData;
 import com.deepclone.lw.interfaces.game.EmpireDAO;
-import com.deepclone.lw.sqld.game.EmpireTechLine;
-import com.deepclone.lw.sqld.game.EmpireTechnology;
 import com.deepclone.lw.sqld.game.GeneralInformation;
 import com.deepclone.lw.utils.StoredProc;
 
@@ -31,7 +27,6 @@ public class EmpireDAOBean
 		implements EmpireDAO
 {
 	private SimpleJdbcTemplate dTemplate;
-	private StoredProc fImplementTech;
 	private StoredProc fAddEmpEnemy;
 	private StoredProc fAddAllEnemy;
 	private StoredProc fRemoveEmpEnemy;
@@ -40,16 +35,36 @@ public class EmpireDAOBean
 
 	private final PlanetListMapper mPlanetList = new PlanetListMapper( );
 
+	private final RowMapper< GeneralInformation > mEmpireInfo;
+
+
+	public EmpireDAOBean( )
+	{
+		this.mEmpireInfo = new RowMapper< GeneralInformation >( ) {
+			@Override
+			public GeneralInformation mapRow( ResultSet rs , int rowNum )
+					throws SQLException
+			{
+				String st = rs.getString( "status" );
+				Character status = ( st == null ) ? null : st.charAt( 0 );
+				String name = rs.getString( "name" );
+				String tag = rs.getString( "alliance" );
+				String language = rs.getString( "language" );
+				long cash = rs.getLong( "cash" );
+				long nextTick = rs.getLong( "game_time" );
+				int accountId = rs.getInt( "account_id" );
+				return new GeneralInformation( status , name , tag , language , cash , nextTick , accountId );
+			}
+		};
+
+	}
+
 
 	@Autowired( required = true )
 	public void setDataSource( DataSource dataSource )
 	{
 		this.dTemplate = new SimpleJdbcTemplate( dataSource );
 
-		this.fImplementTech = new StoredProc( dataSource , "emp" , "implement_tech" );
-		this.fImplementTech.addParameter( "empire_id" , Types.INTEGER );
-		this.fImplementTech.addParameter( "line_id" , Types.INTEGER );
-
 		this.fAddEmpEnemy = new StoredProc( dataSource , "emp" , "add_enemy_empire" );
 		this.fAddEmpEnemy.addParameter( "empire_id" , Types.INTEGER );
 		this.fAddEmpEnemy.addParameter( "enemy_name" , Types.VARCHAR );
@@ -79,19 +94,8 @@ public class EmpireDAOBean
 	public GeneralInformation getInformation( int empireId )
 	{
 		String sql = "SELECT * FROM emp.general_information WHERE id = ?";
-		RowMapper< GeneralInformation > mapper = new RowMapper< GeneralInformation >( ) {
-			@Override
-			public GeneralInformation mapRow( ResultSet rs , int rowNum )
-					throws SQLException
-			{
-				String st = rs.getString( "status" );
-				Character status = ( st == null ) ? null : st.charAt( 0 );
-				return new GeneralInformation( status , rs.getString( "name" ) , rs.getString( "alliance" ) , rs
-						.getLong( "cash" ) , rs.getLong( "game_time" ) , rs.getInt( "account_id" ) );
-			}
-		};
 		try {
-			return this.dTemplate.queryForObject( sql , mapper , empireId );
+			return this.dTemplate.queryForObject( sql , this.mEmpireInfo , empireId );
 		} catch ( EmptyResultDataAccessException e ) {
 			return null;
 		}
@@ -156,65 +160,6 @@ public class EmpireDAOBean
 	}
 
 
-	@Override
-	public List< EmpireTechLine > getTechnology( int empireId )
-	{
-		String sql = "SELECT * FROM emp.tech_lines_view WHERE empire = ?";
-		RowMapper< EmpireTechLine > lineMapper = new RowMapper< EmpireTechLine >( ) {
-			@Override
-			public EmpireTechLine mapRow( ResultSet rs , int rowNum )
-					throws SQLException
-			{
-				EmpireTechLine etl = new EmpireTechLine( );
-				etl.setId( rs.getInt( "tech_line" ) );
-				etl.setName( rs.getString( "name" ) );
-				etl.setDescription( rs.getString( "description" ) );
-				return etl;
-			}
-		};
-
-		List< EmpireTechLine > lines = this.dTemplate.query( sql , lineMapper , empireId );
-		if ( lines.isEmpty( ) ) {
-			return lines;
-		}
-
-		Map< Integer , EmpireTechLine > linesById = new HashMap< Integer , EmpireTechLine >( );
-		for ( EmpireTechLine etl : lines ) {
-			linesById.put( etl.getId( ) , etl );
-		}
-
-		sql = "SELECT * FROM emp.technologies_view WHERE empire = ?";
-		RowMapper< EmpireTechnology > techMapper = new RowMapper< EmpireTechnology >( ) {
-			@Override
-			public EmpireTechnology mapRow( ResultSet rs , int rowNum )
-					throws SQLException
-			{
-				EmpireTechnology et = new EmpireTechnology( );
-				et.setLine( rs.getInt( "tech_line" ) );
-				et.setName( rs.getString( "name" ) );
-				et.setDescription( rs.getString( "description" ) );
-				et.setImplemented( rs.getBoolean( "implemented" ) );
-				et.setProgress( (int) rs.getDouble( "progress" ) );
-				et.setCost( rs.getInt( "cost" ) );
-				return et;
-			}
-		};
-
-		for ( EmpireTechnology et : this.dTemplate.query( sql , techMapper , empireId ) ) {
-			linesById.get( et.getLine( ) ).addTechnology( et );
-		}
-
-		return lines;
-	}
-
-
-	@Override
-	public void implementTechnology( int empireId , int lineId )
-	{
-		this.fImplementTech.execute( empireId , lineId );
-	}
-
-
 	@Override
 	public List< PlanetListData > getPlanetList( int empireId )
 	{

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-simple/src/main/java/com/deepclone/lw/beans/empire/EmpireManagementBean.java

@@ -18,19 +18,18 @@ import com.deepclone.lw.cmd.player.gdata.NameIdPair;
 import com.deepclone.lw.cmd.player.gdata.PlanetListData;
 import com.deepclone.lw.cmd.player.gdata.battles.BattleListEntry;
 import com.deepclone.lw.cmd.player.gdata.empire.OverviewData;
-import com.deepclone.lw.cmd.player.gdata.empire.ResearchLineData;
-import com.deepclone.lw.cmd.player.gdata.empire.TechnologyData;
 import com.deepclone.lw.interfaces.acm.UsersDAO;
 import com.deepclone.lw.interfaces.game.BattlesCache;
 import com.deepclone.lw.interfaces.game.BattlesDAO;
 import com.deepclone.lw.interfaces.game.EmpireDAO;
 import com.deepclone.lw.interfaces.game.EmpireManagement;
+import com.deepclone.lw.interfaces.i18n.LanguageTranslator;
+import com.deepclone.lw.interfaces.i18n.Translator;
+import com.deepclone.lw.interfaces.i18n.UnknownLanguageException;
 import com.deepclone.lw.interfaces.naming.NamingDAO;
 import com.deepclone.lw.interfaces.prefs.AccountPreferences;
 import com.deepclone.lw.interfaces.prefs.PreferencesDAO;
 import com.deepclone.lw.sqld.accounts.Account;
-import com.deepclone.lw.sqld.game.EmpireTechLine;
-import com.deepclone.lw.sqld.game.EmpireTechnology;
 import com.deepclone.lw.sqld.game.GeneralInformation;
 import com.deepclone.lw.sqld.game.battle.BattleListRecord;
 import com.deepclone.lw.utils.EmailAddress;
@@ -46,6 +45,7 @@ public class EmpireManagementBean
 	private EmpireDAO empireDao;
 	private PreferencesDAO prefsDao;
 	private BattlesDAO battlesDao;
+	private Translator translator;
 
 
 	@Autowired( required = true )
@@ -83,6 +83,13 @@ public class EmpireManagementBean
 	}
 
 
+	@Autowired( required = true )
+	public void setI18NManager( Translator translator )
+	{
+		this.translator = translator;
+	}
+
+
 	@Override
 	public Integer getEmpireId( EmailAddress address )
 	{
@@ -108,29 +115,22 @@ public class EmpireManagementBean
 	}
 
 
+	@Override
+	public LanguageTranslator getTranslator( int empireId )
+	{
+		GeneralInformation generalInformation = this.empireDao.getInformation( empireId );
+		try {
+			return this.translator.getLanguageTranslator( generalInformation.getLanguage( ) );
+		} catch ( UnknownLanguageException e ) {
+			throw new RuntimeException( "account for empire " + empireId + " is using an unsupported language" , e );
+		}
+	}
+
+
 	@Override
 	public EmpireResponse getOverview( int empireId )
 	{
 		OverviewData overview = this.empireDao.getOverview( empireId );
-		List< ResearchLineData > research = new LinkedList< ResearchLineData >( );
-
-		for ( EmpireTechLine etl : this.empireDao.getTechnology( empireId ) ) {
-			List< TechnologyData > implemented = new LinkedList< TechnologyData >( );
-			TechnologyData current = null;
-
-			for ( EmpireTechnology et : etl.getTechnologies( ) ) {
-				if ( et.isImplemented( ) ) {
-					implemented.add( new TechnologyData( et.getName( ) , et.getDescription( ) ) );
-				} else if ( et.getProgress( ) == 100 ) {
-					current = new TechnologyData( et.getName( ) , et.getDescription( ) , 100 , et.getCost( ) );
-				} else {
-					current = new TechnologyData( et.getName( ) , et.getDescription( ) , et.getProgress( ) );
-				}
-			}
-
-			research.add( new ResearchLineData( etl.getId( ) , etl.getName( ) , etl.getDescription( ) , implemented ,
-					current ) );
-		}
 
 		List< BattleListEntry > battles = new LinkedList< BattleListEntry >( );
 		for ( BattleListRecord record : this.battlesDao.getBattles( empireId ) ) {
@@ -150,15 +150,7 @@ public class EmpireManagementBean
 			battles.add( entry );
 		}
 
-		return new EmpireResponse( this.getGeneralInformation( empireId ) , overview , research , battles );
+		return new EmpireResponse( this.getGeneralInformation( empireId ) , overview , battles );
-	}
-
-
-	@Override
-	public EmpireResponse implementTechnology( int empireId , int techId )
-	{
-		this.empireDao.implementTechnology( empireId , techId );
-		return this.getOverview( empireId );
 	}
 
 

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-simple/src/main/java/com/deepclone/lw/beans/updates/GameUpdateBean.java

@@ -1,138 +0,0 @@
-package com.deepclone.lw.beans.updates;
-
-
-import org.springframework.beans.factory.InitializingBean;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.transaction.PlatformTransactionManager;
-import org.springframework.transaction.TransactionStatus;
-import org.springframework.transaction.support.TransactionCallback;
-import org.springframework.transaction.support.TransactionTemplate;
-
-import com.deepclone.lw.cmd.admin.logs.LogLevel;
-import com.deepclone.lw.interfaces.eventlog.Logger;
-import com.deepclone.lw.interfaces.eventlog.SystemLogger;
-import com.deepclone.lw.interfaces.game.UpdatesDAO;
-import com.deepclone.lw.interfaces.sys.MaintenanceStatusException;
-import com.deepclone.lw.interfaces.sys.SystemStatus;
-import com.deepclone.lw.interfaces.sys.TickStatusException;
-import com.deepclone.lw.interfaces.sys.Ticker;
-import com.deepclone.lw.interfaces.sys.Ticker.Frequency;
-
-
-
-public class GameUpdateBean
-		implements InitializingBean , Runnable
-{
-	private Ticker ticker;
-	private SystemStatus systemStatus;
-	private SystemLogger logger;
-
-	private TransactionTemplate tTemplate;
-	private UpdatesDAO updatesDao;
-
-
-	@Autowired( required = true )
-	public void setTicker( Ticker ticker )
-	{
-		this.ticker = ticker;
-	}
-
-
-	@Autowired( required = true )
-	public void setSystemStatus( SystemStatus systemStatus )
-	{
-		this.systemStatus = systemStatus;
-	}
-
-
-	@Autowired( required = true )
-	public void setLogger( Logger logger )
-	{
-		this.logger = logger.getSystemLogger( "GameUpdate" );
-	}
-
-
-	@Autowired( required = true )
-	public void setTransactionManager( PlatformTransactionManager transactionManager )
-	{
-		this.tTemplate = new TransactionTemplate( transactionManager );
-	}
-
-
-	@Autowired( required = true )
-	public void setUpdatesDAO( UpdatesDAO updatesDao )
-	{
-		this.updatesDao = updatesDao;
-	}
-
-
-	@Override
-	public void afterPropertiesSet( )
-	{
-		try {
-			this.endPreviousTick( );
-		} catch ( MaintenanceStatusException e ) {
-			// Do nothing
-		}
-		this.ticker.registerTask( Frequency.MINUTE , "Game update" , this );
-	}
-
-
-	@Override
-	public void run( )
-	{
-		// Attempt to end the previous tick, if e.g. maintenance mode was initiated while it was
-		// being processed
-		try {
-			this.endPreviousTick( );
-		} catch ( MaintenanceStatusException e1 ) {
-			return;
-		}
-
-		// Initiate next tick
-		long tickId;
-		try {
-			tickId = this.systemStatus.startTick( );
-		} catch ( TickStatusException e ) {
-			throw new RuntimeException( "tick initiated while previous tick still being processed" , e );
-		} catch ( MaintenanceStatusException e ) {
-			return;
-		}
-
-		// Execute tick
-		this.logger.log( LogLevel.DEBUG , "Tick " + tickId + " started" ).flush( );
-		this.executeTick( tickId );
-	}
-
-
-	private void endPreviousTick( )
-			throws MaintenanceStatusException
-	{
-		Long currentTick = this.systemStatus.checkStuckTick( );
-		if ( currentTick == null ) {
-			return;
-		}
-
-		this.logger.log( LogLevel.WARNING , "Tick " + currentTick + " restarted" ).flush( );
-		this.executeTick( currentTick.longValue( ) );
-	}
-
-
-	private void executeTick( final long tickId )
-	{
-		boolean hasMore;
-		do {
-			hasMore = this.tTemplate.execute( new TransactionCallback< Boolean >( ) {
-
-				@Override
-				public Boolean doInTransaction( TransactionStatus status )
-				{
-					return updatesDao.processUpdates( tickId );
-				}
-
-			} );
-		} while ( hasMore );
-		this.logger.log( LogLevel.TRACE , "Tick " + tickId + " completed" ).flush( );
-	}
-
-}

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-simple/src/main/java/com/deepclone/lw/beans/updates/UpdatesDAOBean.java

@@ -1,43 +0,0 @@
-package com.deepclone.lw.beans.updates;
-
-
-import java.sql.Types;
-import java.util.Map;
-
-import javax.sql.DataSource;
-
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.jdbc.core.SqlOutParameter;
-import org.springframework.jdbc.core.SqlParameter;
-import org.springframework.jdbc.core.simple.SimpleJdbcCall;
-
-import com.deepclone.lw.interfaces.game.UpdatesDAO;
-
-
-
-public class UpdatesDAOBean
-		implements UpdatesDAO
-{
-
-	private SimpleJdbcCall process;
-
-
-	@Autowired( required = true )
-	public void setDataSource( DataSource dataSource )
-	{
-		this.process = new SimpleJdbcCall( dataSource );
-		this.process.withCatalogName( "sys" ).withFunctionName( "process_updates" );
-		this.process.withoutProcedureColumnMetaDataAccess( );
-		this.process.addDeclaredParameter( new SqlParameter( "tick_id" , Types.BIGINT ) );
-		this.process.addDeclaredParameter( new SqlOutParameter( "has_more" , Types.BOOLEAN ) );
-	}
-
-
-	@Override
-	public boolean processUpdates( long tickId )
-	{
-		Map< String , Object > m = this.process.execute( tickId );
-		return (Boolean) m.get( "has_more" );
-	}
-
-}

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-simple/src/main/resources/configuration/simple-beans.xml

@@ -10,13 +10,11 @@
 	<import resource="simple/empire-management-bean.xml" />
 	<import resource="simple/fleet-management-bean.xml" />
 	<import resource="simple/fleets-dao-bean.xml" />
-	<import resource="simple/game-update-bean.xml" />
 	<import resource="simple/map-viewer-bean.xml" />
 	<import resource="simple/message-beans.xml" />
 	<import resource="simple/planet-dao-bean.xml" />
 	<import resource="simple/planets-management-bean.xml" />
 	<import resource="simple/universe-dao-bean.xml" />
 	<import resource="simple/universe-generator-bean.xml" />
-	<import resource="simple/updates-dao-bean.xml" />
 
 </beans>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-system/pom.xml

@@ -4,12 +4,12 @@
 	<parent>
 		<artifactId>legacyworlds-server-beans</artifactId>
 		<groupId>com.deepclone.lw</groupId>
-		<version>5.99.1</version>
+		<version>5.99.2</version>
 	</parent>
 
 	<groupId>com.deepclone.lw</groupId>
 	<artifactId>legacyworlds-server-beans-system</artifactId>
-	<version>5.99.1</version>
+	<version>5.99.2</version>
 	<name>Legacy Worlds system management</name>
 	<description>This module regroups system management beans such as the constants manager.</description>
 </project>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-system/src/main/java/com/deepclone/lw/beans/sys/ConstantsData.java

@@ -93,7 +93,7 @@ class ConstantsData
 		this.uocConstantNoBounds.addDeclaredParameter( new SqlParameter( "cname" , Types.VARCHAR ) );
 		this.uocConstantNoBounds.addDeclaredParameter( new SqlParameter( "cdesc" , Types.VARCHAR ) );
 		this.uocConstantNoBounds.addDeclaredParameter( new SqlParameter( "catname" , Types.VARCHAR ) );
-		this.uocConstantNoBounds.addDeclaredParameter( new SqlParameter( "value" , Types.REAL ) );
+		this.uocConstantNoBounds.addDeclaredParameter( new SqlParameter( "value" , Types.DOUBLE ) );
 
 		this.uocConstantSingleBound = new SimpleJdbcCall( dataSource );
 		this.uocConstantSingleBound.withCatalogName( "sys" ).withFunctionName( "uoc_constant" );
@@ -101,8 +101,8 @@ class ConstantsData
 		this.uocConstantSingleBound.addDeclaredParameter( new SqlParameter( "cname" , Types.VARCHAR ) );
 		this.uocConstantSingleBound.addDeclaredParameter( new SqlParameter( "cdesc" , Types.VARCHAR ) );
 		this.uocConstantSingleBound.addDeclaredParameter( new SqlParameter( "catname" , Types.VARCHAR ) );
-		this.uocConstantSingleBound.addDeclaredParameter( new SqlParameter( "value" , Types.REAL ) );
+		this.uocConstantSingleBound.addDeclaredParameter( new SqlParameter( "value" , Types.DOUBLE ) );
-		this.uocConstantSingleBound.addDeclaredParameter( new SqlParameter( "boundary" , Types.REAL ) );
+		this.uocConstantSingleBound.addDeclaredParameter( new SqlParameter( "boundary" , Types.DOUBLE ) );
 		this.uocConstantSingleBound.addDeclaredParameter( new SqlParameter( "is_min" , Types.BOOLEAN ) );
 
 		this.uocConstantTwoBounds = new SimpleJdbcCall( dataSource );
@@ -111,13 +111,13 @@ class ConstantsData
 		this.uocConstantTwoBounds.addDeclaredParameter( new SqlParameter( "cname" , Types.VARCHAR ) );
 		this.uocConstantTwoBounds.addDeclaredParameter( new SqlParameter( "cdesc" , Types.VARCHAR ) );
 		this.uocConstantTwoBounds.addDeclaredParameter( new SqlParameter( "catname" , Types.VARCHAR ) );
-		this.uocConstantTwoBounds.addDeclaredParameter( new SqlParameter( "value" , Types.REAL ) );
+		this.uocConstantTwoBounds.addDeclaredParameter( new SqlParameter( "value" , Types.DOUBLE ) );
-		this.uocConstantTwoBounds.addDeclaredParameter( new SqlParameter( "min" , Types.REAL ) );
+		this.uocConstantTwoBounds.addDeclaredParameter( new SqlParameter( "min" , Types.DOUBLE ) );
-		this.uocConstantTwoBounds.addDeclaredParameter( new SqlParameter( "max" , Types.REAL ) );
+		this.uocConstantTwoBounds.addDeclaredParameter( new SqlParameter( "max" , Types.DOUBLE ) );
 
 		this.fSetConstant = new StoredProc( dataSource , "sys" , "set_constant" );
 		this.fSetConstant.addParameter( "cname" , Types.VARCHAR );
-		this.fSetConstant.addParameter( "value" , Types.REAL );
+		this.fSetConstant.addParameter( "value" , Types.DOUBLE );
 		this.fSetConstant.addParameter( "admin" , Types.INTEGER );
 
 		this.tTemplate = tTemplate;
@@ -149,8 +149,8 @@ class ConstantsData
 				c.setName( rs.getString( "name" ) );
 				c.setDescription( rs.getString( "description" ) );
 				c.setValue( rs.getDouble( "value" ) );
-				c.setMinValue( (Float) rs.getObject( "min" ) );
+				c.setMinValue( (Double) rs.getObject( "min" ) );
-				c.setMaxValue( (Float) rs.getObject( "max" ) );
+				c.setMaxValue( (Double) rs.getObject( "max" ) );
 				return c;
 			}
 
@@ -609,7 +609,7 @@ class ConstantsData
 				@Override
 				protected void doInTransactionWithoutResult( TransactionStatus status )
 				{
-					fSetConstant.execute( name , value.floatValue( ) , admin );
+					fSetConstant.execute( name , value , admin );
 				}
 
 			} );

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-system/src/main/java/com/deepclone/lw/beans/sys/ConstantsManagerBean.java

@@ -1,8 +1,9 @@
 package com.deepclone.lw.beans.sys;
 
 
+import java.util.Arrays;
 import java.util.Collection;
-import java.util.Set;
+import java.util.HashSet;
 
 import javax.sql.DataSource;
 
@@ -92,9 +93,10 @@ public class ConstantsManagerBean
 
 	/* Documented in ConstantsManager interface */
 	@Override
-	public void registerUser( ConstantsUser user , Set< String > constants )
+	public void registerUser( ConstantsUser user , String... constants )
 	{
-		this.data.registerUser( user , constants );
+		HashSet< String > cSet = new HashSet< String >( Arrays.asList( constants ) );
+		this.data.registerUser( user , cSet );
 	}
 
 
@@ -112,4 +114,5 @@ public class ConstantsManagerBean
 	{
 		return new ConstantsAdministrationImpl( this.data , admin );
 	}
+
 }

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-system/src/main/java/com/deepclone/lw/beans/sys/ConstantsRegistrarBean.java

@@ -89,7 +89,7 @@ public class ConstantsRegistrarBean
 		// Work and income
 		String[] wcNames = {
 				"population" , "factory" , "strikeEffect" , "wuPerPopUnit" , "destructionRecovery" , "destructionWork" ,
-				"rpPerPopUnit" , "cancelRecovery"
+				"cancelRecovery"
 		};
 		for ( int i = 0 ; i < wcNames.length ; i++ ) {
 			wcNames[ i ] = "game.work." + wcNames[ i ];
@@ -107,10 +107,8 @@ public class ConstantsRegistrarBean
 		defs.add( new ConstantDefinition( wcNames[ 4 ] , cat , cDesc , 0.1 , 0.01 , 0.99 ) );
 		cDesc = "Proportion of a building's construction work units required to destroy it";
 		defs.add( new ConstantDefinition( wcNames[ 5 ] , cat , cDesc , 0.25 , 0.01 , 1.0 ) );
-		cDesc = "Research points per population unit.";
-		defs.add( new ConstantDefinition( wcNames[ 6 ] , cat , cDesc , 0.50 , 0.01 , true ) );
 		cDesc = "Proportion of queue investments that is recovered when flushing the queue.";
-		defs.add( new ConstantDefinition( wcNames[ 7 ] , cat , cDesc , 0.1 , 0.01 , 1.0 ) );
+		defs.add( new ConstantDefinition( wcNames[ 6 ] , cat , cDesc , 0.1 , 0.01 , 1.0 ) );
 
 		// Vacation mode
 		cDesc = "Initial vacation credits.";
@@ -155,7 +153,7 @@ public class ConstantsRegistrarBean
 		// Ticker
 		cDesc = "Interval between ticks with the highest frequency, in milliseconds.";
 		defs.add( new ConstantDefinition( "ticker.interval" , "Ticker" , cDesc , 5000.0 , 1000.0 , true ) );
-		
+
 		// Accounts
 		cDesc = "Minimal interval between address change requests (seconds)";
 		defs.add( new ConstantDefinition( "accounts.acrDelay" , "Accounts" , cDesc , 14400.0 , 1.0 , true ) );
@@ -169,32 +167,43 @@ public class ConstantsRegistrarBean
 		defs.add( new ConstantDefinition( "accounts.banDelay" , "Accounts" , cDesc , 178000.0 , 3600.0 , true ) );
 		cDesc = "Delay before a ban request expires (seconds)";
 		defs.add( new ConstantDefinition( "accounts.banExpiration" , "Accounts" , cDesc , oneWeek , 3600.0 , true ) );
-		
+
 		// Accounts - warnings
 		cDesc = "Amount of warnings that triggers an automatic ban request.";
-		defs.add( new ConstantDefinition( "accounts.warnings.autoBan" , "Accounts - Warnings" , cDesc , 3.0 , 1.0 , true ) );
+		defs.add( new ConstantDefinition( "accounts.warnings.autoBan" , "Accounts - Warnings" , cDesc , 3.0 , 1.0 ,
+				true ) );
 		cDesc = "Period after a warning is received during which additional warnings will be ignored (seconds).";
-		defs.add( new ConstantDefinition( "accounts.warnings.grace" , "Accounts - Warnings" , cDesc , 7200.0 , 60.0 , true ) );
+		defs.add( new ConstantDefinition( "accounts.warnings.grace" , "Accounts - Warnings" , cDesc , 7200.0 , 60.0 ,
+				true ) );
 		cDesc = "Time after which warnings are decreased (expressed in units as defined by a.w.expiration.units).";
-		defs.add( new ConstantDefinition( "accounts.warnings.expiration" , "Accounts - Warnings" , cDesc , 60.0 , 1.0 , true ) );
+		defs.add( new ConstantDefinition( "accounts.warnings.expiration" , "Accounts - Warnings" , cDesc , 60.0 , 1.0 ,
+				true ) );
 		cDesc = "Units used to express warning expiration time (seconds).";
-		defs.add( new ConstantDefinition( "accounts.warnings.expiration.units" , "Accounts - Warnings" , cDesc , 86400.0 , 1.0 , true ) );
+		defs.add( new ConstantDefinition( "accounts.warnings.expiration.units" , "Accounts - Warnings" , cDesc ,
-		
+				86400.0 , 1.0 , true ) );
+
 		// Account inactivity
 		cDesc = "Time units (seconds)";
-		defs.add( new ConstantDefinition( "accounts.inactivity.units" , "Accounts - Inactivity" , cDesc , oneWeek , 3600.0 , true ) );
+		defs.add( new ConstantDefinition( "accounts.inactivity.units" , "Accounts - Inactivity" , cDesc , oneWeek ,
+				3600.0 , true ) );
 		cDesc = "Time after which the inactivity warning e-mail is to be sent, expressed using units defined by a.i.units.";
-		defs.add( new ConstantDefinition( "accounts.inactivity.warningMail" , "Accounts - Inactivity" , cDesc , 3.0 , 1.0 , true ) );
+		defs.add( new ConstantDefinition( "accounts.inactivity.warningMail" , "Accounts - Inactivity" , cDesc , 3.0 ,
+				1.0 , true ) );
 		cDesc = "Time between the inactivity warning e-mail and actual account deletion, expressed using units defined by a.i.units.";
-		defs.add( new ConstantDefinition( "accounts.inactivity.deletion" , "Accounts - Inactivity" , cDesc , 1.0 , 1.0 , true ) );
+		defs.add( new ConstantDefinition( "accounts.inactivity.deletion" , "Accounts - Inactivity" , cDesc , 1.0 , 1.0 ,
-		
+				true ) );
+
 		// Bug reports
 		cDesc = "Amount of credits granted for low priority bug reports.";
 		defs.add( new ConstantDefinition( "bugtracker.lowCredits" , "Bug tracking system" , cDesc , 1.0 , 1.0 , true ) );
 		cDesc = "Amount of credits granted for normal bug reports.";
-		defs.add( new ConstantDefinition( "bugtracker.mediumCredits" , "Bug tracking system" , cDesc , 2.0 , 1.0 , true ) );
+		defs
+				.add( new ConstantDefinition( "bugtracker.mediumCredits" , "Bug tracking system" , cDesc , 2.0 , 1.0 ,
+						true ) );
 		cDesc = "Amount of credits granted for critical bug reports.";
-		defs.add( new ConstantDefinition( "bugtracker.highCredits" , "Bug tracking system" , cDesc , 3.0 , 1.0 , true ) );
+		defs
+				.add( new ConstantDefinition( "bugtracker.highCredits" , "Bug tracking system" , cDesc , 3.0 , 1.0 ,
+						true ) );
 
 		cm.registerConstants( defs );
 	}

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-system/src/main/java/com/deepclone/lw/beans/sys/SystemStatusBean.java

@@ -10,8 +10,6 @@ import javax.sql.DataSource;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.jdbc.core.RowMapper;
-import org.springframework.jdbc.core.SqlOutParameter;
-import org.springframework.jdbc.core.simple.SimpleJdbcCall;
 import org.springframework.jdbc.core.simple.SimpleJdbcTemplate;
 import org.springframework.transaction.PlatformTransactionManager;
 import org.springframework.transaction.TransactionStatus;
@@ -44,13 +42,14 @@ public class SystemStatusBean
 	/** Current maintenance mode record */
 	private MaintenanceData maintenance = null;
 
-	private SimpleJdbcCall doStartTick;
-	private SimpleJdbcCall doCheckTick;
-
 	private StoredProc fEnterMaintenanceMode;
 	private StoredProc fExtendMaintenanceMode;
 	private StoredProc fExitMaintenanceMode;
 
+	private StoredProc fCheckTick;
+	private StoredProc fStartTick;
+	private StoredProc fEndTick;
+
 
 	@Autowired( required = true )
 	public void setDataSource( DataSource dataSource )
@@ -72,16 +71,14 @@ public class SystemStatusBean
 		this.fExitMaintenanceMode.addParameter( "admin_id" , Types.INTEGER );
 		this.fExitMaintenanceMode.addOutput( "success" , Types.BOOLEAN );
 
-		this.doStartTick = new SimpleJdbcCall( dataSource );
+		this.fCheckTick = new StoredProc( dataSource , "sys" , "check_stuck_tick" );
-		this.doStartTick.withCatalogName( "sys" ).withFunctionName( "start_tick" );
+		this.fCheckTick.addOutput( "tick_id" , Types.BIGINT );
-		this.doStartTick.withoutProcedureColumnMetaDataAccess( );
-		this.doStartTick.addDeclaredParameter( new SqlOutParameter( "tick_id" , Types.BIGINT ) );
 
-		this.doCheckTick = new SimpleJdbcCall( dataSource );
+		this.fStartTick = new StoredProc( dataSource , "sys" , "start_tick" );
-		this.doCheckTick.withCatalogName( "sys" ).withFunctionName( "check_stuck_tick" );
+		this.fStartTick.addOutput( "tick_id" , Types.BIGINT );
-		this.doCheckTick.withoutProcedureColumnMetaDataAccess( );
-		this.doCheckTick.addDeclaredParameter( new SqlOutParameter( "tick_id" , Types.BIGINT ) );
 
+		this.fEndTick = new StoredProc( dataSource , "sys" , "end_tick" );
+		this.fEndTick.addParameter( "tick_id" , Types.BIGINT );
 	}
 
 
@@ -246,6 +243,31 @@ public class SystemStatusBean
 	}
 
 
+	/* Documented in interface */
+	@Override
+	public Long checkStuckTick( )
+			throws MaintenanceStatusException
+	{
+		Long tid = this.tTemplate.execute( new TransactionCallback< Long >( ) {
+
+			@Override
+			public Long doInTransaction( TransactionStatus status )
+			{
+				Map< String , Object > m = fCheckTick.execute( );
+				loadStatus( );
+				return (Long) m.get( "tick_id" );
+			}
+
+		} );
+
+		if ( tid == null && this.maintenance != null ) {
+			throw new MaintenanceStatusException( this.maintenance );
+		}
+
+		return tid;
+	}
+
+
 	/* Documented in interface */
 	@Override
 	synchronized public long startTick( )
@@ -256,7 +278,7 @@ public class SystemStatusBean
 			@Override
 			public Long doInTransaction( TransactionStatus status )
 			{
-				Map< String , Object > m = doStartTick.execute( );
+				Map< String , Object > m = fStartTick.execute( );
 				loadStatus( );
 				return (Long) m.get( "tick_id" );
 			}
@@ -277,26 +299,28 @@ public class SystemStatusBean
 
 	/* Documented in interface */
 	@Override
-	public Long checkStuckTick( )
+	public void endTick( )
-			throws MaintenanceStatusException
+			throws TickStatusException , MaintenanceStatusException
 	{
-		Long tid = this.tTemplate.execute( new TransactionCallback< Long >( ) {
+		if ( this.maintenance != null ) {
-
-			@Override
-			public Long doInTransaction( TransactionStatus status )
-			{
-				Map< String , Object > m = doCheckTick.execute( );
-				loadStatus( );
-				return (Long) m.get( "tick_id" );
-			}
-
-		} );
-
-		if ( tid == null && this.maintenance != null ) {
 			throw new MaintenanceStatusException( this.maintenance );
 		}
 
-		return tid;
+		final Long tid = this.status.getCurrentTick( );
+		if ( tid == null ) {
+			throw new TickStatusException( );
+		}
+
+		this.tTemplate.execute( new TransactionCallbackWithoutResult( ) {
+
+			@Override
+			protected void doInTransactionWithoutResult( TransactionStatus status )
+			{
+				fEndTick.execute( tid );
+				loadStatus( );
+			}
+
+		} );
 	}
 
 }

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-system/src/main/java/com/deepclone/lw/beans/sys/TickerBean.java

@@ -1,9 +1,6 @@
 package com.deepclone.lw.beans.sys;
 
 
-import java.util.HashSet;
-import java.util.Set;
-
 import org.springframework.beans.factory.DisposableBean;
 import org.springframework.beans.factory.InitializingBean;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -101,9 +98,7 @@ public class TickerBean
 		this.mainThread = new TickerThread( this.logger , this.tickerManager );
 
 		// Register thread as a constants user
-		Set< String > use = new HashSet< String >( );
+		this.constantsManager.registerUser( this.mainThread , "ticker.interval" );
-		use.add( "ticker.interval" );
-		this.constantsManager.registerUser( this.mainThread , use );
 	}
 
 

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-techs/.classpath

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" output="target/classes" path="src/main/java"/>
+	<classpathentry excluding="**" kind="src" output="target/classes" path="src/main/resources"/>
+	<classpathentry kind="src" output="target/test-classes" path="src/test/java"/>
+	<classpathentry excluding="**" kind="src" output="target/test-classes" path="src/test/resources"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
+	<classpathentry kind="con" path="org.maven.ide.eclipse.MAVEN2_CLASSPATH_CONTAINER"/>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-techs/.project

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>legacyworlds-server-beans-techs</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.maven.ide.eclipse.maven2Builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.maven.ide.eclipse.maven2Nature</nature>
+	</natures>
+</projectDescription>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-techs/.settings/org.eclipse.jdt.core.prefs

@@ -0,0 +1,6 @@
+#Mon Mar 28 09:14:01 CEST 2011
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
+org.eclipse.jdt.core.compiler.compliance=1.6
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
+org.eclipse.jdt.core.compiler.source=1.6

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-techs/.settings/org.maven.ide.eclipse.prefs

@@ -0,0 +1,9 @@
+#Mon Mar 28 09:13:56 CEST 2011
+activeProfiles=
+eclipse.preferences.version=1
+fullBuildGoals=process-test-resources
+includeModules=false
+resolveWorkspaceProjects=true
+resourceFilterGoals=process-resources resources\:testResources
+skipCompilerPlugin=true
+version=1

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-techs/pom.xml

@@ -0,0 +1,15 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<artifactId>legacyworlds-server-beans</artifactId>
+		<groupId>com.deepclone.lw</groupId>
+		<version>5.99.2</version>
+	</parent>
+
+	<groupId>com.deepclone.lw</groupId>
+	<artifactId>legacyworlds-server-beans-techs</artifactId>
+	<version>5.99.2</version>
+	<name>Legacy Worlds technology management</name>
+	<description>This package contains components which are used to manage technologies in LW games.</description>
+</project>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-techs/src/main/java/com/deepclone/lw/beans/techs/EmpireTechnologyDAOBean.java

@@ -0,0 +1,160 @@
+package com.deepclone.lw.beans.techs;
+
+
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Types;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import javax.sql.DataSource;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.jdbc.core.RowMapper;
+import org.springframework.jdbc.core.simple.SimpleJdbcTemplate;
+
+import com.deepclone.lw.interfaces.game.techs.EmpireTechnologyDAO;
+import com.deepclone.lw.sqld.game.techs.EmpireTechnology;
+import com.deepclone.lw.utils.StoredProc;
+
+
+
+/**
+ * Implementation the empire technology and research data access component.
+ * 
+ * @author tseeker
+ */
+public class EmpireTechnologyDAOBean
+		implements EmpireTechnologyDAO
+{
+	/** SQL query that reads the list of an empire's technologies */
+	private static final String qGetTechnologies = "SELECT * FROM emp.technologies_view WHERE empire = ?";
+
+	/** SQL query that executes the priorities update preparation function */
+	private static final String qStartPrioritiesUpdate = "SELECT emp.prepare_research_priorities_update( )";
+
+	/** SQL query that inserts research priority changes into the temporary table */
+	private static final String qUploadPriorities = "INSERT INTO research_priorities_updates ( technology , priority ) "
+			+ "VALUES ( ? , ? )";
+
+	/** Data source access component */
+	private SimpleJdbcTemplate dTemplate;
+
+	/** Row mapper for empire technologies */
+	private RowMapper< EmpireTechnology > mEmpireTechnology;
+
+	/** Wrapper for the stored procedure that implements technologies */
+	private StoredProc fImplementTech;
+
+	/** Wrapper for the stored procedure to apply research priority updates */
+	private StoredProc fApplyResearchPriorities;
+
+
+	/** Initialise the row mapper */
+	public EmpireTechnologyDAOBean( )
+	{
+		this.mEmpireTechnology = new RowMapper< EmpireTechnology >( ) {
+
+			@Override
+			public EmpireTechnology mapRow( ResultSet rs , int rowNum )
+					throws SQLException
+			{
+				int techId = rs.getInt( "technology_id" );
+				String techName = rs.getString( "technology" );
+				boolean detailed = rs.getBoolean( "detailed" );
+				Integer completion = (Integer) rs.getObject( "completion" );
+				Integer cost = (Integer) rs.getObject( "cost" );
+				Integer priority = (Integer) rs.getObject( "priority" );
+
+				EmpireTechnology result;
+				if ( !detailed ) {
+					result = new EmpireTechnology( techId * rs.getInt( "empire" ) , techName , completion , priority );
+				} else if ( completion != null ) {
+					result = new EmpireTechnology( techName , completion , priority );
+				} else if ( cost != null ) {
+					result = new EmpireTechnology( techName , cost );
+				} else {
+					result = new EmpireTechnology( techName );
+				}
+				return result;
+			}
+
+		};
+	}
+
+
+	/**
+	 * Dependency injector that initialises the database access component and stored procedure
+	 * wrappers.
+	 * 
+	 * @param dataSource
+	 *            the data source
+	 */
+	@Autowired( required = true )
+	public void setDataSource( DataSource dataSource )
+	{
+		this.dTemplate = new SimpleJdbcTemplate( dataSource );
+
+		// Stored procedure for technology implementation
+		this.fImplementTech = new StoredProc( dataSource , "emp" , "implement_tech" );
+		this.fImplementTech.addParameter( "empire_id" , Types.INTEGER );
+		this.fImplementTech.addParameter( "technology" , Types.VARCHAR );
+		this.fImplementTech.addOutput( "error_code" , Types.INTEGER );
+
+		// Stored procedure to apply research priority updates
+		this.fApplyResearchPriorities = new StoredProc( dataSource , "emp" , "apply_research_priorities" );
+		this.fApplyResearchPriorities.addParameter( "empire_id" , Types.INTEGER );
+		this.fApplyResearchPriorities.addOutput( "error_code" , Types.INTEGER );
+	}
+
+
+	/* Documentation in EmpireTechnologyDAO interface */
+	@Override
+	public List< EmpireTechnology > getTechnologies( int empireId )
+	{
+		return this.dTemplate.query( qGetTechnologies , this.mEmpireTechnology , empireId );
+	}
+
+
+	/* Documentation in EmpireTechnologyDAO interface */
+	@Override
+	public int implementTechnology( int empireId , String technology )
+	{
+		return (Integer) this.fImplementTech.execute( empireId , technology ).get( "error_code" );
+	}
+
+
+	/* Documentation in EmpireTechnologyDAO interface */
+	@Override
+	public void startPrioritiesUpdate( )
+	{
+		this.dTemplate.queryForList( qStartPrioritiesUpdate );
+	}
+
+
+	/* Documentation in EmpireTechnologyDAO interface */
+	@Override
+	public void uploadPriorities( Map< String , Integer > priorities )
+	{
+		List< Object[] > batch = new ArrayList< Object[] >( priorities.size( ) );
+		int counter = 0;
+		for ( Entry< String , Integer > entry : priorities.entrySet( ) ) {
+			Object[] values = new Object[] {
+					entry.getKey( ) , entry.getValue( )
+			};
+			batch.add( counter++ , values );
+		}
+		this.dTemplate.batchUpdate( qUploadPriorities , batch );
+	}
+
+
+	/* Documentation in EmpireTechnologyDAO interface */
+	@Override
+	public int finishPrioritiesUpdate( int empireId )
+	{
+		return (Integer) this.fApplyResearchPriorities.execute( empireId ).get( "error_code" );
+	}
+
+}

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-techs/src/main/java/com/deepclone/lw/beans/techs/EmpireTechnologyManagerBean.java

@@ -0,0 +1,181 @@
+package com.deepclone.lw.beans.techs;
+
+
+import java.util.Arrays;
+import java.util.Map;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.transaction.annotation.Transactional;
+
+import com.deepclone.lw.cmd.player.research.ResearchOperationResponse;
+import com.deepclone.lw.cmd.player.research.ViewResearchResponse;
+import com.deepclone.lw.interfaces.game.EmpireManagement;
+import com.deepclone.lw.interfaces.game.techs.EmpireTechnologyDAO;
+import com.deepclone.lw.interfaces.game.techs.EmpireTechnologyManager;
+import com.deepclone.lw.interfaces.game.techs.TechnologyGraphManager;
+import com.deepclone.lw.interfaces.sys.ConstantDefinition;
+import com.deepclone.lw.interfaces.sys.ConstantsManager;
+
+
+
+/**
+ * Implementation of the empire technology and research management component.
+ * 
+ * @author tseeker
+ */
+@Transactional
+public class EmpireTechnologyManagerBean
+		implements EmpireTechnologyManager
+{
+	/** Empire management component */
+	private EmpireManagement empireManager;
+
+	/** Data access component for empire technologies and research */
+	private EmpireTechnologyDAO empireTechnologyDAO;
+
+	/** Technology graph management component */
+	private TechnologyGraphManager techGraphManager;
+
+
+	/**
+	 * Dependency injector for the empire management component.
+	 * 
+	 * @param empireManager
+	 *            the empire management component
+	 */
+	@Autowired( required = true )
+	public void setEmpireManager( EmpireManagement empireManager )
+	{
+		this.empireManager = empireManager;
+	}
+
+
+	/**
+	 * Dependency injector for the data access component for empire technologies and research
+	 * 
+	 * @param empireTechnologyDAO
+	 *            data access component for empire technologies and research
+	 */
+	@Autowired( required = true )
+	public void setEmpireTechnologyDAO( EmpireTechnologyDAO empireTechnologyDAO )
+	{
+		this.empireTechnologyDAO = empireTechnologyDAO;
+	}
+
+
+	/**
+	 * Dependency injector for the technology graph management component.
+	 * 
+	 * @param techGraphManager
+	 *            the technology graph management component
+	 */
+	@Autowired( required = true )
+	public void setTechnologyGraphManager( TechnologyGraphManager techGraphManager )
+	{
+		this.techGraphManager = techGraphManager;
+	}
+
+
+	/**
+	 * Dependency injector which registers research-related constants into the constants manager.
+	 * 
+	 * @param constantsManager
+	 *            the constants manager component
+	 */
+	@Autowired( required = true )
+	public void setConstantsManager( ConstantsManager constantsManager )
+	{
+		ConstantDefinition[] definitions = new ConstantDefinition[] {
+				new ConstantDefinition( "game.research.minPoints" , "Research" ,
+						"Minimal research points before a technology being researched is identified" , 50000.0 , 1.0 ,
+						true ) ,
+				new ConstantDefinition( "game.research.minRatio" , "Research" ,
+						"Minimal ratio before a technology being researched is identified" , 0.75 , 0.01 , 0.99 ) ,
+				new ConstantDefinition( "game.research.perPopUnit" , "Research" ,
+						"Research points per population unit." , 0.50 , 0.01 , true )
+		};
+		constantsManager.registerConstants( Arrays.asList( definitions ) );
+	}
+
+
+	/* Documentation in EmpireTechnologyManager interface */
+	@Override
+	public ViewResearchResponse getResearchData( int empireId )
+	{
+		return new ResearchResponseBuilder( empireId , this.empireManager , this.empireTechnologyDAO ,
+				this.techGraphManager ).getResponse( );
+	}
+
+
+	/* Documentation in EmpireTechnologyManager interface */
+	@Override
+	public ResearchOperationResponse implementTechnology( int empireId , String technology )
+	{
+		int result = this.empireTechnologyDAO.implementTechnology( empireId , technology );
+		ResearchOperationResponse response;
+
+		if ( result == 0 ) {
+			response = new ResearchOperationResponse( );
+		} else {
+			ResearchResponseBuilder builder = new ResearchResponseBuilder( empireId , this.empireManager ,
+					this.empireTechnologyDAO , this.techGraphManager );
+			switch ( result ) {
+
+				case 1:
+					response = builder.getResponse( ResearchOperationResponse.Result.ERR_RESOURCES );
+					break;
+
+				case 2:
+					response = builder.getResponse( ResearchOperationResponse.Result.ERR_STATE_CHANGED );
+					break;
+
+				default:
+					throw new RuntimeException( "unsupported return value " + result );
+
+			}
+		}
+
+		return response;
+	}
+
+
+	/* Documentation in EmpireTechnologyManager interface */
+	@Override
+	public ResearchOperationResponse setResearchPriorities( int empireId , Map< String , Integer > priorities )
+	{
+		int result;
+		if ( priorities.size( ) < 2 ) {
+			result = 2;
+		} else {
+			this.empireTechnologyDAO.startPrioritiesUpdate( );
+			this.empireTechnologyDAO.uploadPriorities( priorities );
+			result = this.empireTechnologyDAO.finishPrioritiesUpdate( empireId );
+		}
+
+		ResearchOperationResponse response;
+		if ( result == 0 ) {
+			response = new ResearchOperationResponse( );
+		} else {
+			ResearchResponseBuilder builder = new ResearchResponseBuilder( empireId , this.empireManager ,
+					this.empireTechnologyDAO , this.techGraphManager );
+
+			switch ( result ) {
+
+				case 1:
+					response = builder.getResponse( ResearchOperationResponse.Result.ERR_STATE_CHANGED );
+					break;
+
+				case 2:
+					response = builder.getResponse( ResearchOperationResponse.Result.ERR_INVALID );
+					break;
+
+				default:
+					throw new RuntimeException( "unsupported return value " + result );
+
+			}
+		}
+
+		return response;
+	}
+
+}

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-techs/src/main/java/com/deepclone/lw/beans/techs/EmpireUpdate.java

@@ -0,0 +1,293 @@
+package com.deepclone.lw.beans.techs;
+
+
+import java.util.Collection;
+import java.util.EnumMap;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import com.deepclone.lw.cmd.admin.logs.LogLevel;
+import com.deepclone.lw.interfaces.eventlog.SystemLogger;
+import com.deepclone.lw.sqld.game.techs.ResearchStatus;
+import com.deepclone.lw.sqld.game.techs.ResearchUpdateInput;
+import com.deepclone.lw.sqld.game.techs.ResearchUpdateOutput;
+import com.deepclone.lw.sqld.game.techs.TechGraph;
+import com.deepclone.lw.sqld.game.techs.TechGraphException;
+import com.deepclone.lw.sqld.game.techs.Technology;
+
+
+
+/**
+ * Research update implementation for a single empire.
+ * 
+ * @author tseeker
+ */
+class EmpireUpdate
+{
+	/** Empire identifier */
+	private final int id;
+
+	/** Research points produced */
+	private double production;
+
+	/** All technologies (known or being researched) */
+	private final Map< String , ResearchUpdateInput > byName;
+
+	/** Technology names by status */
+	private final Map< ResearchStatus , Set< String >> byStatus;
+
+	/** Output records by name */
+	private final Map< String , ResearchUpdateOutput > output;
+
+	/** Sum of the current research priorities */
+	private double totalPriority;
+
+	/** Amount of active research topics */
+	private int activeTopics;
+
+	/** Parent component's logging interface */
+	private SystemLogger logger;
+
+
+	/**
+	 * Initialise the empire updater using the global lists of production points and research
+	 * statuses.
+	 * 
+	 * @param logger
+	 *            the component's logging system
+	 * @param empireId
+	 *            the empire for whom the research update is to be computed
+	 * @param production
+	 *            the map of production points for all empires in the batch
+	 * @param status
+	 *            the list of statuses for all empires in the batch
+	 */
+	EmpireUpdate( SystemLogger logger , int empireId , Map< Integer , Double > production ,
+			HashMap< Integer , List< ResearchUpdateInput >> status )
+	{
+		this.id = empireId;
+		this.production = production.get( this.id );
+		this.logger = logger;
+
+		this.byName = new HashMap< String , ResearchUpdateInput >( );
+		this.output = new HashMap< String , ResearchUpdateOutput >( );
+
+		this.byStatus = new EnumMap< ResearchStatus , Set< String > >( ResearchStatus.class );
+		this.byStatus.put( ResearchStatus.IN_PROGRESS , new HashSet< String >( ) );
+		this.byStatus.put( ResearchStatus.RESEARCHED , new HashSet< String >( ) );
+		this.byStatus.put( ResearchStatus.IMPLEMENTED , new HashSet< String >( ) );
+
+		// Initialise sets and maps
+		List< ResearchUpdateInput > empStatus = status.get( this.id );
+		if ( empStatus != null ) {
+			for ( ResearchUpdateInput entry : status.get( this.id ) ) {
+				this.byName.put( entry.getTechnology( ) , entry );
+				this.byStatus.get( entry.getStatus( ) ).add( entry.getTechnology( ) );
+			}
+			this.logger.flush( );
+		}
+	}
+
+
+	/**
+	 * Perform the research update, filling the {@link #output} map.
+	 * 
+	 * @param techGraph
+	 *            the technology graph
+	 * @throws TechGraphException
+	 *             indicates an internal error
+	 */
+	void compute( TechGraph techGraph )
+			throws TechGraphException
+	{
+		if ( this.production == 0 ) {
+			return;
+		}
+		this.prepareOutput( );
+
+		List< Technology > newResearch = this.findNewTechnologies( techGraph );
+		if ( !newResearch.isEmpty( ) ) {
+			this.addResearch( newResearch );
+		}
+		if ( this.output.isEmpty( ) ) {
+			return;
+		}
+
+		List< String > inProgress = new LinkedList< String >( this.output.keySet( ) );
+		for ( String resName : inProgress ) {
+			this.researchProgress( techGraph.getTechnology( resName ) , resName );
+		}
+
+		this.updatePriorities( );
+	}
+
+
+	/**
+	 * Copy information from the list of research to the output map.
+	 */
+	private void prepareOutput( )
+	{
+		this.totalPriority = 0;
+		for ( ResearchUpdateInput entry : this.byName.values( ) ) {
+			if ( entry.getStatus( ) != ResearchStatus.IN_PROGRESS ) {
+				continue;
+			}
+			this.output.put( entry.getTechnology( ) , new ResearchUpdateOutput( this.id , entry.getTechnology( ) ,
+					false , entry.getPoints( ) , entry.getPriority( ) ) );
+			this.totalPriority += entry.getPriority( );
+		}
+		this.activeTopics = this.byStatus.get( ResearchStatus.IN_PROGRESS ).size( );
+	}
+
+
+	/**
+	 * Find new technologies to research
+	 * 
+	 * XXX: we shouldn't be doing that at every update; it's only required if the techs were added
+	 * or deleted, if dependencies were changed or if the empire implemented a technology.
+	 * 
+	 * @param techGraph
+	 *            the technology graph
+	 * @return the list of technologies on which research can start
+	 * @throws TechGraphException
+	 *             indicates an internal error
+	 */
+	private List< Technology > findNewTechnologies( TechGraph techGraph )
+			throws TechGraphException
+	{
+		LinkedList< Technology > newResearch = new LinkedList< Technology >( );
+		Set< String > implemented = this.byStatus.get( ResearchStatus.IMPLEMENTED );
+		if ( implemented == null ) {
+			throw new RuntimeException( "wtf?!" );
+		}
+		for ( String catName : techGraph.getCategories( ) ) {
+			for ( String techName : techGraph.getCategory( catName ).getTechnologies( ) ) {
+				// Check if the empire "knows" of the tech
+				if ( this.byName.containsKey( techName ) ) {
+					continue;
+				}
+
+				// Check dependencies
+				Technology tech = techGraph.getTechnology( techName );
+				boolean mayStart = true;
+				for ( String depName : tech.getDependencies( ) ) {
+					if ( !implemented.contains( depName ) ) {
+						mayStart = false;
+						break;
+					}
+				}
+
+				if ( mayStart ) {
+					newResearch.add( tech );
+				}
+			}
+		}
+		return newResearch;
+	}
+
+
+	/**
+	 * Add new entries to the list of current research topics and updates the total priority
+	 * accordingly.
+	 * 
+	 * @param newResearch
+	 *            the list of research topics to add
+	 */
+	private void addResearch( List< Technology > newResearch )
+	{
+		int increment;
+		if ( this.totalPriority == 0 ) {
+			increment = 1;
+		} else {
+			increment = (int) Math.ceil( this.totalPriority / this.activeTopics );
+		}
+
+		for ( Technology tech : newResearch ) {
+			this.output.put( tech.getName( ) , new ResearchUpdateOutput( this.id , tech.getName( ) , true , 0 ,
+					increment ) );
+			this.totalPriority += increment;
+		}
+		this.activeTopics += newResearch.size( );
+	}
+
+
+	/**
+	 * Update the progress on a research topic.
+	 * 
+	 * @param technology
+	 *            the technology's definition
+	 * @param name
+	 *            the name of the research topic
+	 */
+	private void researchProgress( Technology technology , String name )
+	{
+		ResearchUpdateOutput entry = this.output.get( name );
+		if ( entry.getPriority( ) == 0 ) {
+			return;
+		}
+
+		double points = this.production * entry.getPriority( ) / this.totalPriority;
+		double total = points + entry.getPoints( );
+
+		if ( total >= technology.getPoints( ) ) {
+			this.totalPriority -= entry.getPriority( );
+			this.production = this.production + total - entry.getPoints( );
+			this.output.put( name , new ResearchUpdateOutput( this.id , name ) );
+			this.activeTopics--;
+		} else {
+			entry.addPoints( points );
+		}
+	}
+
+
+	/**
+	 * Update priorities of active research topics in the output map.
+	 */
+	private void updatePriorities( )
+	{
+		if ( this.activeTopics == 0 || this.totalPriority == 100 ) {
+			return;
+		}
+
+		List< ResearchUpdateOutput > progress = new LinkedList< ResearchUpdateOutput >( );
+		int newTotal = 0;
+		for ( ResearchUpdateOutput update : this.output.values( ) ) {
+			Integer prio = update.getPriority( );
+			if ( prio == null ) {
+				continue;
+			}
+
+			int newValue = (int) Math.floor( 100.0 * prio / this.totalPriority );
+			progress.add( update );
+			update.setPriority( newValue );
+			newTotal += newValue;
+		}
+
+		// Distribute the rest of the points
+		while ( newTotal < 100 ) {
+			for ( ResearchUpdateOutput update : progress ) {
+				update.setPriority( update.getPriority( ) + 1 );
+				newTotal++;
+				if ( newTotal == 100 ) {
+					break;
+				}
+			}
+		}
+		this.logger.flush( );
+	}
+
+
+	/** @return the update output records */
+	Collection< ResearchUpdateOutput > getOutput( )
+	{
+		if ( !this.output.isEmpty( ) ) {
+			this.logger.log( LogLevel.TRACE , "Empire " + this.id + " - " + this.output.size( ) + " update(s)" )
+					.flush( );
+		}
+		return this.output.values( );
+	}
+}

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-techs/src/main/java/com/deepclone/lw/beans/techs/ResearchResponseBuilder.java

@@ -0,0 +1,280 @@
+package com.deepclone.lw.beans.techs;
+
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+
+import com.deepclone.lw.cmd.player.gdata.GamePageData;
+import com.deepclone.lw.cmd.player.gdata.empire.ResearchData;
+import com.deepclone.lw.cmd.player.gdata.empire.TechnologyCategoryData;
+import com.deepclone.lw.cmd.player.gdata.empire.TechnologyData;
+import com.deepclone.lw.cmd.player.research.ResearchOperationResponse;
+import com.deepclone.lw.cmd.player.research.ViewResearchResponse;
+import com.deepclone.lw.cmd.player.research.ResearchOperationResponse.Result;
+import com.deepclone.lw.interfaces.game.EmpireManagement;
+import com.deepclone.lw.interfaces.game.techs.EmpireTechnologyDAO;
+import com.deepclone.lw.interfaces.game.techs.TechnologyGraphManager;
+import com.deepclone.lw.interfaces.i18n.LanguageTranslator;
+import com.deepclone.lw.interfaces.i18n.UnknownStringException;
+import com.deepclone.lw.sqld.game.techs.Category;
+import com.deepclone.lw.sqld.game.techs.EmpireTechnology;
+import com.deepclone.lw.sqld.game.techs.ResearchStatus;
+import com.deepclone.lw.sqld.game.techs.TechGraph;
+import com.deepclone.lw.sqld.game.techs.TechGraphException;
+import com.deepclone.lw.sqld.game.techs.Technology;
+
+
+
+/**
+ * Class that builds {@link ViewResearchResponse} or {@link ResearchOperationResponse} instances.
+ * 
+ * @author tseeker
+ */
+class ResearchResponseBuilder
+{
+
+	/** Empire identifier */
+	private final int empireId;
+
+	/** Empire management component */
+	private final EmpireManagement empireManager;
+
+	/** Technology and research data access component */
+	private final EmpireTechnologyDAO empireTechnologyDAO;
+
+	/** Technology graph management component */
+	private final TechnologyGraphManager techGraphManager;
+
+	/** Game page data */
+	private GamePageData pageData;
+
+	/** List of current research topics */
+	private List< ResearchData > research;
+
+	/** Lists of implemented technologies by category */
+	private Map< String , List< TechnologyData > > implementedMap;
+
+	/** Final list of implemented technologies */
+	private List< TechnologyCategoryData > implementedLists;
+
+	/** All implemented technologies by identifier */
+	private Map< String , TechnologyData > implementedById;
+
+
+	/**
+	 * Initialise the response builder by setting the empire identifier and the various components
+	 * that may be required to generate the response.
+	 * 
+	 * @param empireId
+	 *            the empire identifier
+	 * @param empireManager
+	 *            the empire management component
+	 * @param empireTechnologyDAO
+	 *            the technology and research data access component
+	 * @param techGraphManager
+	 *            the technology graph management component
+	 */
+	ResearchResponseBuilder( int empireId , EmpireManagement empireManager , EmpireTechnologyDAO empireTechnologyDAO ,
+			TechnologyGraphManager techGraphManager )
+	{
+		this.empireId = empireId;
+		this.empireManager = empireManager;
+		this.empireTechnologyDAO = empireTechnologyDAO;
+		this.techGraphManager = techGraphManager;
+	}
+
+
+	/**
+	 * Build a basic research view response.
+	 * 
+	 * @return the research view response.
+	 */
+	ViewResearchResponse getResponse( )
+	{
+		try {
+			this.buildResponseContents( );
+		} catch ( Exception e ) {
+			throw new RuntimeException( "internal error while processing research data" , e );
+		}
+		return new ViewResearchResponse( this.pageData , this.research , this.implementedLists );
+	}
+
+
+	/**
+	 * Build a research operation response.
+	 * 
+	 * @param errorCode
+	 *            the operation's error code (should not be
+	 *            {@link ResearchOperationResponse.Result#OK}).
+	 * @return the research operation response.
+	 */
+	ResearchOperationResponse getResponse( Result errorCode )
+	{
+		try {
+			this.buildResponseContents( );
+		} catch ( Exception e ) {
+			throw new RuntimeException( "internal error while processing research data" , e );
+		}
+		return new ResearchOperationResponse( this.pageData , this.research , this.implementedLists , errorCode );
+	}
+
+
+	/**
+	 * Build the lists and records required by research view or operation responses. This includes
+	 * the list of current research topics as well as the list of implemented technologies.
+	 * 
+	 * @throws UnknownStringException
+	 *             if there is an incoherence between the tech graph and the translations database.
+	 * @throws TechGraphException
+	 *             if there is an incoherence between the empire research records and the tech
+	 *             graph.
+	 */
+	private void buildResponseContents( )
+			throws UnknownStringException , TechGraphException
+	{
+		LanguageTranslator translator = this.empireManager.getTranslator( this.empireId );
+		TechGraph techGraph = this.techGraphManager.getGraph( );
+
+		this.research = new LinkedList< ResearchData >( );
+		this.implementedMap = new HashMap< String , List< TechnologyData > >( );
+		this.implementedById = new HashMap< String , TechnologyData >( );
+
+		for ( EmpireTechnology record : this.empireTechnologyDAO.getTechnologies( this.empireId ) ) {
+			if ( record.getStatus( ) == ResearchStatus.IMPLEMENTED ) {
+				this.addImplemented( record , translator , techGraph );
+			} else {
+				this.addResearchData( record , translator , techGraph );
+			}
+		}
+
+		this.pageData = this.empireManager.getGeneralInformation( this.empireId );
+		Collections.sort( this.research );
+		this.postProcessImplemented( translator , techGraph );
+	}
+
+
+	/**
+	 * Add an implemented technology record.
+	 * 
+	 * @param record
+	 *            the original record as returned by the {@link EmpireTechnologyDAO}.
+	 * @param translator
+	 *            the translator for the empire's language
+	 * @param techGraph
+	 *            the technology graph
+	 * 
+	 * @throws TechGraphException
+	 *             if there is an incoherence between the empire research records and the tech
+	 *             graph.
+	 * @throws UnknownStringException
+	 *             if there is an incoherence between the tech graph and the translations database.
+	 */
+	private void addImplemented( EmpireTechnology record , LanguageTranslator translator , TechGraph techGraph )
+			throws TechGraphException , UnknownStringException
+	{
+		String techId = record.getIdentifier( );
+		Technology tech = techGraph.getTechnology( techId );
+		Category category = tech.getCategory( );
+
+		List< TechnologyData > catTechs = this.implementedMap.get( category.getName( ) );
+		if ( catTechs == null ) {
+			catTechs = new LinkedList< TechnologyData >( );
+			this.implementedMap.put( category.getName( ) , catTechs );
+		}
+
+		TechnologyData tData;
+		String name = translator.translate( techId );
+		String description = translator.translate( tech.getDescription( ) );
+		tData = new TechnologyData( techId , name , description , tech.getDependencies( ) , new LinkedList< String >( ) );
+
+		catTechs.add( tData );
+		this.implementedById.put( techId , tData );
+	}
+
+
+	/**
+	 * Add a research topic record.
+	 * 
+	 * @param record
+	 *            the original record as returned by the {@link EmpireTechnologyDAO}.
+	 * @param translator
+	 *            the translator for the empire's language
+	 * @param techGraph
+	 *            the technology graph
+	 * 
+	 * @throws TechGraphException
+	 *             if there is an incoherence between the empire research records and the tech
+	 *             graph.
+	 * @throws UnknownStringException
+	 *             if there is an incoherence between the tech graph and the translations database.
+	 */
+	private void addResearchData( EmpireTechnology record , LanguageTranslator translator , TechGraph techGraph )
+			throws TechGraphException , UnknownStringException
+	{
+		String techId = record.getIdentifier( );
+		Technology tech = techGraph.getTechnology( techId );
+		String category = translator.translate( tech.getCategory( ).getName( ) );
+
+		ResearchData rData;
+
+		if ( !record.isDetailed( ) ) {
+			rData = new ResearchData( record.getNumericId( ) , category , record.getPercentage( ) , record
+					.getPriority( ) );
+		} else {
+			String name = translator.translate( techId );
+			String description = translator.translate( tech.getDescription( ) );
+			String[] dependencies = tech.getDependencies( ).toArray( new String[] { } );
+			if ( record.getStatus( ) == ResearchStatus.RESEARCHED ) {
+				rData = new ResearchData( techId , category , name , description , dependencies , (int) tech.getCost( ) );
+			} else {
+				rData = new ResearchData( techId , category , name , description , dependencies , record
+						.getPercentage( ) , record.getPriority( ) );
+			}
+		}
+
+		this.research.add( rData );
+	}
+
+
+	/**
+	 * Post-process implemented technologies by adding reverse dependencies, sorting each list, and
+	 * generating the sorted list of technology categories.
+	 * 
+	 * @param translator
+	 *            the translator for the empire's language
+	 * @param techGraph
+	 *            the technology graph
+	 * 
+	 * @throws TechGraphException
+	 *             if there is an incoherence between the empire research records and the tech
+	 *             graph.
+	 * @throws UnknownStringException
+	 *             if there is an incoherence between the tech graph and the translations database.
+	 */
+	private void postProcessImplemented( LanguageTranslator translator , TechGraph techGraph )
+			throws UnknownStringException , TechGraphException
+	{
+		this.implementedLists = new LinkedList< TechnologyCategoryData >( );
+		for ( String catId : this.implementedMap.keySet( ) ) {
+
+			List< TechnologyData > techs = this.implementedMap.get( catId );
+			for ( TechnologyData tData : techs ) {
+				for ( String dependency : tData.getDependsOn( ) ) {
+					TechnologyData depData = this.implementedById.get( dependency );
+					if ( depData != null ) {
+						depData.getDependencyOf( ).add( tData.getIdentifier( ) );
+					}
+				}
+			}
+			Collections.sort( techs );
+
+			String catName = translator.translate( catId );
+			String catDesc = translator.translate( techGraph.getCategory( catId ).getDescription( ) );
+			this.implementedLists.add( new TechnologyCategoryData( catName , catDesc , techs ) );
+		}
+		Collections.sort( this.implementedLists );
+	}
+}

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-techs/src/main/java/com/deepclone/lw/beans/techs/ResearchUpdateBean.java

@@ -0,0 +1,180 @@
+package com.deepclone.lw.beans.techs;
+
+
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+
+import org.springframework.beans.factory.annotation.Autowired;
+
+import com.deepclone.lw.interfaces.eventlog.Logger;
+import com.deepclone.lw.interfaces.eventlog.SystemLogger;
+import com.deepclone.lw.interfaces.game.techs.ResearchUpdateDAO;
+import com.deepclone.lw.interfaces.game.techs.TechnologyGraphManager;
+import com.deepclone.lw.interfaces.game.updates.GameUpdate;
+import com.deepclone.lw.interfaces.game.updates.GameUpdatePhase;
+import com.deepclone.lw.interfaces.game.updates.GameUpdatePhaseHandler;
+import com.deepclone.lw.interfaces.game.updates.UpdatesDAO;
+import com.deepclone.lw.sqld.game.techs.ResearchUpdateInput;
+import com.deepclone.lw.sqld.game.techs.ResearchUpdateOutput;
+import com.deepclone.lw.sqld.game.techs.TechGraph;
+import com.deepclone.lw.sqld.game.techs.TechGraphException;
+
+
+
+/**
+ * Component responsible for updating empires' research status.
+ * 
+ * @author tseeker
+ */
+public class ResearchUpdateBean
+		implements GameUpdatePhaseHandler
+{
+	/** The component's logging interface */
+	private SystemLogger logger;
+
+	/** The technology graph management component */
+	private TechnologyGraphManager techGraphManager;
+
+	/** The current technology graph */
+	private TechGraph techGraph;
+
+	/** The main game update data access component */
+	private UpdatesDAO updatesDAO;
+
+	/** The research updates data access component */
+	private ResearchUpdateDAO researchUpdateDAO;
+
+
+	/**
+	 * Dependency injector that initialises the component's logging interface.
+	 * 
+	 * @param logger
+	 *            the system logger
+	 */
+	@Autowired( required = true )
+	public void setLogger( Logger logger )
+	{
+		this.logger = logger.getSystemLogger( "ResearchUpdate" );
+	}
+
+
+	/**
+	 * Dependency injector for the technology graph management component.
+	 * 
+	 * @param techGraphManager
+	 *            the technology graph management component
+	 */
+	@Autowired( required = true )
+	public void setTechGraphManager( TechnologyGraphManager techGraphManager )
+	{
+		this.techGraphManager = techGraphManager;
+	}
+
+
+	/**
+	 * Dependency injector that sets the main game update data access component.
+	 * 
+	 * @param updatesDAO
+	 *            the main game update data access component
+	 */
+	@Autowired( required = true )
+	public void setUpdatesDAO( UpdatesDAO updatesDAO )
+	{
+		this.updatesDAO = updatesDAO;
+	}
+
+
+	/**
+	 * Dependency injector that sets the research updates data access component
+	 * 
+	 * @param researchUpdateDAO
+	 *            the research updates data access component
+	 */
+	@Autowired( required = true )
+	public void setResearchUpdateDAO( ResearchUpdateDAO researchUpdateDAO )
+	{
+		this.researchUpdateDAO = researchUpdateDAO;
+	}
+
+
+	/**
+	 * Dependency injector that registers the handler with the main game update manager
+	 * 
+	 * @param updateManager
+	 *            the game update manager
+	 */
+	@Autowired( required = true )
+	public void setUpdateManager( GameUpdate updateManager )
+	{
+		updateManager.registerHandler( this );
+	}
+
+
+	/* Documentation in GameUpdatePhaseHandler interface */
+	@Override
+	public GameUpdatePhase getPhase( )
+	{
+		return GameUpdatePhase.EMPIRE_RESEARCH;
+	}
+
+
+	/**
+	 * Get a copy of the technology graph when the update phase starts.
+	 */
+	@Override
+	public void onPhaseStart( long updateId )
+	{
+		this.techGraph = this.techGraphManager.getGraph( );
+	}
+
+
+	/**
+	 * If there are research updates left to process, lock the records, then obtain all relevant
+	 * data, process each empire using {@link EmpireUpdate}, and send the updates to the database.
+	 */
+	@Override
+	public boolean updateGame( long updateId )
+	{
+		// Look for records to update
+		if ( !this.updatesDAO.prepareUpdates( updateId , this.getPhase( ) ) ) {
+			return false;
+		}
+
+		Map< Integer , Double > production;
+		HashMap< Integer , List< ResearchUpdateInput >> status;
+		status = new HashMap< Integer , List< ResearchUpdateInput > >( );
+
+		// Prepare update and load input
+		this.researchUpdateDAO.prepareUpdate( updateId );
+		production = this.researchUpdateDAO.getResearchPoints( updateId );
+		for ( ResearchUpdateInput input : this.researchUpdateDAO.getUpdateData( updateId ) ) {
+			List< ResearchUpdateInput > eStatus = status.get( input.getEmpireId( ) );
+			if ( eStatus == null ) {
+				eStatus = new LinkedList< ResearchUpdateInput >( );
+				status.put( input.getEmpireId( ) , eStatus );
+			}
+			eStatus.add( input );
+		}
+
+		// Handle the update for each empire
+		List< ResearchUpdateOutput > output = new LinkedList< ResearchUpdateOutput >( );
+		for ( int empireId : production.keySet( ) ) {
+			EmpireUpdate update = new EmpireUpdate( this.logger , empireId , production , status );
+			try {
+				update.compute( this.techGraph );
+			} catch ( TechGraphException e ) {
+				throw new RuntimeException( "incoherent technology graph" , e );
+			}
+			output.addAll( update.getOutput( ) );
+		}
+
+		// Send and validate updates
+		this.researchUpdateDAO.submitUpdateData( output );
+		this.updatesDAO.validateUpdatedRecords( updateId , GameUpdatePhase.EMPIRE_RESEARCH );
+
+		return true;
+	}
+
+}

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-techs/src/main/java/com/deepclone/lw/beans/techs/ResearchUpdateDAOBean.java

@@ -0,0 +1,138 @@
+package com.deepclone.lw.beans.techs;
+
+
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Types;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import javax.sql.DataSource;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.jdbc.core.RowMapper;
+import org.springframework.jdbc.core.namedparam.SqlParameterSource;
+import org.springframework.jdbc.core.namedparam.SqlParameterSourceUtils;
+import org.springframework.jdbc.core.simple.SimpleJdbcTemplate;
+
+import com.deepclone.lw.interfaces.game.techs.ResearchUpdateDAO;
+import com.deepclone.lw.sqld.game.techs.ResearchUpdateInput;
+import com.deepclone.lw.sqld.game.techs.ResearchUpdateOutput;
+import com.deepclone.lw.utils.StoredProc;
+
+
+
+public class ResearchUpdateDAOBean
+		implements ResearchUpdateDAO
+{
+	/** Query that reads research update input */
+	private static final String qGetInput = "SELECT * FROM emp.research_update_input_view WHERE update_id = ?";
+
+	/** Query that reads empire research points production */
+	private static final String qGetPoints = "SELECT * FROM emp.research_points_production WHERE update_id = ?";
+
+	/** Query that adds a record to the output */
+	private static final String qAddOutput = "INSERT INTO research_update_output "
+			+ "(empire_id , technology , creation , points , priority) "
+			+ "VALUES ( :empireId , :technology , :creation , :points , :priority )";
+
+	/** Query that submits the update */
+	private static final String qSubmitUpdate = "SELECT emp.submit_research_update( )";
+
+	/** Data source access */
+	private SimpleJdbcTemplate dTemplate;
+
+	/** Wrapper for the stored procedure that prepares the database for update */
+	private StoredProc fPrepareUpdate;
+
+	/** Row mapper for research update input */
+	RowMapper< ResearchUpdateInput > ruiMapper;
+
+
+	/**
+	 * Initialise the component's row mapper.
+	 */
+	public ResearchUpdateDAOBean( )
+	{
+		this.ruiMapper = new RowMapper< ResearchUpdateInput >( ) {
+			@Override
+			public ResearchUpdateInput mapRow( ResultSet rs , int rowNum )
+					throws SQLException
+			{
+				int empireId = rs.getInt( "empire_id" );
+				String technology = rs.getString( "technology" );
+
+				Boolean implemented = (Boolean) rs.getObject( "implemented" );
+				if ( implemented == null ) {
+					double points = rs.getDouble( "points" );
+					int priority = rs.getInt( "priority" );
+					return new ResearchUpdateInput( empireId , technology , points , priority );
+				}
+
+				return new ResearchUpdateInput( empireId , technology , implemented );
+			}
+		};
+	}
+
+
+	/**
+	 * Dependency injector that initialises the component's database access and stored procedure
+	 * wrappers.
+	 * 
+	 * @param dataSource
+	 *            the data source
+	 */
+	@Autowired( required = true )
+	public void setDataSource( DataSource dataSource )
+	{
+		this.dTemplate = new SimpleJdbcTemplate( dataSource );
+
+		// Stored procedure that prepares the database for update
+		this.fPrepareUpdate = new StoredProc( dataSource , "emp" , "prepare_research_update" );
+		this.fPrepareUpdate.addParameter( "update_id" , Types.BIGINT );
+	}
+
+
+	/* Documented in ResearchUpdateDAO interface */
+	@Override
+	public void prepareUpdate( long updateId )
+	{
+		this.fPrepareUpdate.execute( updateId );
+	}
+
+
+	/* Documented in ResearchUpdateDAO interface */
+	@Override
+	public List< ResearchUpdateInput > getUpdateData( long updateId )
+	{
+		return this.dTemplate.query( qGetInput , this.ruiMapper , updateId );
+	}
+
+
+	/* Documented in ResearchUpdateDAO interface */
+	@Override
+	public Map< Integer , Double > getResearchPoints( long updateId )
+	{
+		Map< Integer , Double > result = new HashMap< Integer , Double >( );
+
+		for ( Map< String , Object > row : this.dTemplate.queryForList( qGetPoints , updateId ) ) {
+			result.put( (Integer) row.get( "empire_id" ) , (Double) row.get( "points" ) );
+		}
+
+		return result;
+	}
+
+
+	/* Documented in ResearchUpdateDAO interface */
+	@Override
+	public void submitUpdateData( List< ResearchUpdateOutput > output )
+	{
+		if ( !output.isEmpty( ) ) {
+			SqlParameterSource[] batch = SqlParameterSourceUtils.createBatch( output.toArray( ) );
+			this.dTemplate.batchUpdate( qAddOutput , batch );
+		}
+		this.dTemplate.queryForList( qSubmitUpdate );
+	}
+
+}

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-techs/src/main/java/com/deepclone/lw/beans/techs/TechnologyGraphDAOBean.java

@@ -0,0 +1,134 @@
+package com.deepclone.lw.beans.techs;
+
+
+import java.sql.ResultSet;
+import java.sql.SQLException;
+
+import javax.sql.DataSource;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.jdbc.core.RowCallbackHandler;
+
+import com.deepclone.lw.interfaces.game.techs.TechnologyGraphDAO;
+import com.deepclone.lw.sqld.game.techs.TechGraph;
+import com.deepclone.lw.sqld.game.techs.TechGraphException;
+
+
+
+public class TechnologyGraphDAOBean
+		implements TechnologyGraphDAO
+{
+	private static final String qGetCategories = "SELECT name , description FROM tech.categories_view";
+	private static final String qGetTechnologies = "SELECT category , name , description , points , cost FROM tech.technologies_view";
+	private static final String qGetDependencies = "SELECT technology , dependency FROM tech.dependencies_view";
+
+	private static abstract class TechGraphDBHandler
+			implements RowCallbackHandler
+	{
+		TechGraph graph;
+		TechGraphException error;
+
+
+		public TechGraphDBHandler( )
+		{
+			// EMPTY
+		}
+
+
+		public final void setGraph( TechGraph graph )
+		{
+			this.graph = graph;
+		}
+
+
+		@Override
+		public final void processRow( ResultSet rs )
+				throws SQLException
+		{
+			if ( this.error != null ) {
+				return;
+			}
+
+			try {
+				this.extractData( rs );
+			} catch ( TechGraphException e ) {
+				this.error = e;
+			}
+		}
+
+
+		protected abstract void extractData( ResultSet rs )
+				throws TechGraphException , SQLException;
+
+	}
+
+	private static class CategoryExtractor
+			extends TechGraphDBHandler
+	{
+		@Override
+		protected void extractData( ResultSet rs )
+				throws TechGraphException , SQLException
+		{
+			this.graph.addCategory( rs.getString( "name" ) , rs.getString( "description" ) );
+		}
+
+	}
+
+	private static class TechnologyExtractor
+			extends TechGraphDBHandler
+	{
+		@Override
+		protected void extractData( ResultSet rs )
+				throws TechGraphException , SQLException
+		{
+			this.graph.addTechnology( rs.getString( "category" ) , rs.getString( "name" ) , rs
+					.getString( "description" ) , rs.getInt( "points" ) , rs.getInt( "cost" ) );
+		}
+	}
+
+	private static class DependencyExtractor
+			extends TechGraphDBHandler
+	{
+		@Override
+		protected void extractData( ResultSet rs )
+				throws TechGraphException , SQLException
+		{
+			this.graph.addDependency( rs.getString( "technology" ) , rs.getString( "dependency" ) );
+		}
+
+	}
+
+	private JdbcTemplate dTemplate;
+
+
+	@Autowired( required = true )
+	public void setDataSource( DataSource dataSource )
+	{
+		this.dTemplate = new JdbcTemplate( dataSource );
+	}
+
+
+	@Override
+	public TechGraph loadGraph( )
+			throws TechGraphException
+	{
+		TechGraph result = new TechGraph( );
+		this.extractGraphData( result , new CategoryExtractor( ) , qGetCategories );
+		this.extractGraphData( result , new TechnologyExtractor( ) , qGetTechnologies );
+		this.extractGraphData( result , new DependencyExtractor( ) , qGetDependencies );
+		return result;
+	}
+
+
+	private void extractGraphData( TechGraph graph , TechGraphDBHandler extractor , String query )
+			throws TechGraphException
+	{
+		extractor.setGraph( graph );
+		this.dTemplate.query( query , extractor );
+		if ( extractor.error != null ) {
+			throw extractor.error;
+		}
+	}
+
+}

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-techs/src/main/java/com/deepclone/lw/beans/techs/TechnologyGraphManagerBean.java

@@ -0,0 +1,74 @@
+package com.deepclone.lw.beans.techs;
+
+
+import java.util.LinkedList;
+import java.util.List;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.transaction.annotation.Transactional;
+
+import com.deepclone.lw.cmd.admin.techs.TechCategory;
+import com.deepclone.lw.interfaces.game.techs.TechnologyGraphDAO;
+import com.deepclone.lw.interfaces.game.techs.TechnologyGraphManager;
+import com.deepclone.lw.sqld.game.techs.Category;
+import com.deepclone.lw.sqld.game.techs.TechGraph;
+import com.deepclone.lw.sqld.game.techs.TechGraphException;
+
+
+
+@Transactional
+public class TechnologyGraphManagerBean
+		implements TechnologyGraphManager
+{
+	private TechGraph graph;
+	private TechnologyGraphDAO technologyGraphDAO;
+
+
+	@Autowired( required = true )
+	public void setTechGraphDAO( TechnologyGraphDAO technologyGraphDAO )
+	{
+		this.technologyGraphDAO = technologyGraphDAO;
+	}
+
+
+	private void loadGraph( )
+			throws TechGraphException
+	{
+		if ( this.graph == null ) {
+			this.graph = this.technologyGraphDAO.loadGraph( );
+		}
+	}
+
+
+	/* Documented in TechnologyGraphManager interface */
+	@Override
+	public TechGraph getGraph( )
+	{
+		try {
+			this.loadGraph( );
+		} catch ( TechGraphException e ) {
+			throw new RuntimeException( e );
+		}
+		return new TechGraph( this.graph );
+	}
+
+
+	/* Documented in TechnologyGraphManager interface */
+	@Override
+	public List< TechCategory > listCategories( )
+	{
+		try {
+			this.loadGraph( );
+
+			List< TechCategory > result = new LinkedList< TechCategory >( );
+			for ( String catName : this.graph.getCategories( ) ) {
+				Category cat = this.graph.getCategory( catName );
+				result.add( new TechCategory( catName , cat.getDescription( ) , cat.getTechnologies( ) ) );
+			}
+
+			return result;
+		} catch ( TechGraphException e ) {
+			throw new RuntimeException( e );
+		}
+	}
+}

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-techs/src/main/resources/configuration/techs-beans.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="
+                        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
+
+	<import resource="techs/empire-technology-dao-bean.xml" />
+	<import resource="techs/empire-technology-manager-bean.xml" />
+	<import resource="techs/research-update-bean.xml" />
+	<import resource="techs/research-update-dao-bean.xml" />
+	<import resource="techs/technology-graph-dao-bean.xml" />
+	<import resource="techs/technology-graph-manager-bean.xml" />
+
+</beans>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-techs/src/main/resources/configuration/techs/empire-technology-dao-bean.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="
+                        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
+
+	<bean id="empireTechnologyDAO" class="com.deepclone.lw.beans.techs.EmpireTechnologyDAOBean" />
+
+</beans>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-techs/src/main/resources/configuration/techs/empire-technology-manager-bean.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="
+                        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
+
+	<bean id="empireTechnologyManager" class="com.deepclone.lw.beans.techs.EmpireTechnologyManagerBean" />
+
+</beans>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-techs/src/main/resources/configuration/techs/research-update-bean.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="
+                        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
+
+	<bean id="researchUpdate" class="com.deepclone.lw.beans.techs.ResearchUpdateBean" />
+
+</beans>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-techs/src/main/resources/configuration/techs/research-update-dao-bean.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="
+                        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
+
+	<bean id="researchUpdateDAO" class="com.deepclone.lw.beans.techs.ResearchUpdateDAOBean" />
+
+</beans>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-techs/src/main/resources/configuration/techs/technology-graph-dao-bean.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="
+                        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
+
+	<bean id="technologyGraphDAO" class="com.deepclone.lw.beans.techs.TechnologyGraphDAOBean" />
+
+</beans>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-techs/src/main/resources/configuration/techs/technology-graph-manager-bean.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="
+                        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
+
+	<bean id="technologyGraphManager" class="com.deepclone.lw.beans.techs.TechnologyGraphManagerBean" />
+
+</beans>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-updates/.classpath

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" output="target/classes" path="src/main/java"/>
+	<classpathentry excluding="**" kind="src" output="target/classes" path="src/main/resources"/>
+	<classpathentry kind="src" output="target/test-classes" path="src/test/java"/>
+	<classpathentry excluding="**" kind="src" output="target/test-classes" path="src/test/resources"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
+	<classpathentry kind="con" path="org.maven.ide.eclipse.MAVEN2_CLASSPATH_CONTAINER"/>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-updates/.project

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>legacyworlds-server-beans-updates</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.maven.ide.eclipse.maven2Builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.maven.ide.eclipse.maven2Nature</nature>
+	</natures>
+</projectDescription>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-updates/.settings/org.eclipse.jdt.core.prefs

@@ -0,0 +1,6 @@
+#Tue Mar 29 13:49:47 CEST 2011
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
+org.eclipse.jdt.core.compiler.compliance=1.6
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
+org.eclipse.jdt.core.compiler.source=1.6

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-updates/.settings/org.maven.ide.eclipse.prefs

@@ -0,0 +1,9 @@
+#Tue Mar 29 13:49:47 CEST 2011
+activeProfiles=
+eclipse.preferences.version=1
+fullBuildGoals=process-test-resources
+includeModules=false
+resolveWorkspaceProjects=true
+resourceFilterGoals=process-resources resources\:testResources
+skipCompilerPlugin=true
+version=1

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-updates/pom.xml

@@ -0,0 +1,13 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <artifactId>legacyworlds-server-beans</artifactId>
+    <groupId>com.deepclone.lw</groupId>
+    <version>5.99.2</version>
+  </parent>
+  <groupId>com.deepclone.lw</groupId>
+  <artifactId>legacyworlds-server-beans-updates</artifactId>
+  <version>5.99.2</version>
+  <name>Legacy Worlds updates and pre-computation management</name>
+  <description>This Maven module contains the components which implement both the game's "standard", per-minute update system as well as the pre-computation manager.</description>
+</project>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-updates/src/main/java/com/deepclone/lw/beans/updates/GameUpdateBean.java

@@ -0,0 +1,367 @@
+package com.deepclone.lw.beans.updates;
+
+
+import java.util.ArrayList;
+import java.util.EnumMap;
+import java.util.List;
+
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.InitializingBean;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.ApplicationContextAware;
+import org.springframework.transaction.PlatformTransactionManager;
+import org.springframework.transaction.TransactionStatus;
+import org.springframework.transaction.support.TransactionCallback;
+import org.springframework.transaction.support.TransactionTemplate;
+
+import com.deepclone.lw.cmd.admin.logs.LogLevel;
+import com.deepclone.lw.interfaces.eventlog.Logger;
+import com.deepclone.lw.interfaces.eventlog.SystemLogger;
+import com.deepclone.lw.interfaces.game.updates.DuplicateUpdateHandler;
+import com.deepclone.lw.interfaces.game.updates.GameUpdate;
+import com.deepclone.lw.interfaces.game.updates.GameUpdatePhase;
+import com.deepclone.lw.interfaces.game.updates.GameUpdatePhaseHandler;
+import com.deepclone.lw.interfaces.game.updates.UpdatesDAO;
+import com.deepclone.lw.interfaces.sys.ConstantDefinition;
+import com.deepclone.lw.interfaces.sys.ConstantsManager;
+import com.deepclone.lw.interfaces.sys.MaintenanceStatusException;
+import com.deepclone.lw.interfaces.sys.SystemStatus;
+import com.deepclone.lw.interfaces.sys.TickStatusException;
+import com.deepclone.lw.interfaces.sys.Ticker;
+import com.deepclone.lw.interfaces.sys.Ticker.Frequency;
+
+
+
+/**
+ * Implementation of the game update management component.
+ * 
+ * @author tseeker
+ */
+public class GameUpdateBean
+		implements GameUpdate , InitializingBean , Runnable , ApplicationContextAware
+{
+	/** The event scheduling component */
+	private Ticker ticker;
+
+	/** The system status access and update component */
+	private SystemStatus systemStatus;
+
+	/** The game update component's logger */
+	private SystemLogger logger;
+
+	/** Transaction template */
+	private TransactionTemplate tTemplate;
+
+	/** Game updates data access component */
+	private UpdatesDAO updatesDao;
+
+	/** Amount of registered, non-default handlers */
+	private int nRegisteredHandlers = 0;
+
+	/** Amount of handler components */
+	private int nHandlerComponents = -1;
+
+	/** Registered game update phase handlers */
+	private final EnumMap< GameUpdatePhase , GameUpdatePhaseHandler > handlers;
+
+
+	public GameUpdateBean( )
+	{
+		this.handlers = new EnumMap< GameUpdatePhase , GameUpdatePhaseHandler >( GameUpdatePhase.class );
+	}
+
+
+	/**
+	 * Dependency injector for the event scheduling component
+	 * 
+	 * @param ticker
+	 *            the event scheduling component
+	 */
+	@Autowired( required = true )
+	public void setTicker( Ticker ticker )
+	{
+		this.ticker = ticker;
+	}
+
+
+	/**
+	 * Dependency injector for the system status access component
+	 * 
+	 * @param systemStatus
+	 *            the system status access component
+	 */
+	@Autowired( required = true )
+	public void setSystemStatus( SystemStatus systemStatus )
+	{
+		this.systemStatus = systemStatus;
+	}
+
+
+	/**
+	 * Dependency injector that initialises the game update component's logger.
+	 * 
+	 * @param logger
+	 *            the system logging component
+	 */
+	@Autowired( required = true )
+	public void setLogger( Logger logger )
+	{
+		this.logger = logger.getSystemLogger( "GameUpdate" );
+	}
+
+
+	/**
+	 * Dependency injector that initialises the transaction template.
+	 * 
+	 * @param transactionManager
+	 *            the application's transaction manager
+	 */
+	@Autowired( required = true )
+	public void setTransactionManager( PlatformTransactionManager transactionManager )
+	{
+		this.tTemplate = new TransactionTemplate( transactionManager );
+	}
+
+
+	/**
+	 * Dependency injector for the game updates data access component
+	 * 
+	 * @param updatesDao
+	 *            the game updates data access component
+	 */
+	@Autowired( required = true )
+	public void setUpdatesDAO( UpdatesDAO updatesDao )
+	{
+		this.updatesDao = updatesDao;
+	}
+
+
+	/**
+	 * Dependency injector which registers the game.updatesPerDay constant.
+	 * 
+	 * @param constantsManager
+	 *            the constants manager
+	 */
+	@Autowired( required = true )
+	public void setConstantsManager( ConstantsManager constantsManager )
+	{
+		List< ConstantDefinition > definitions;
+		ConstantDefinition constant;
+		definitions = new ArrayList< ConstantDefinition >( 1 );
+		constant = new ConstantDefinition(
+				"game.updatesPerDay" ,
+				"Game (misc)" ,
+				"Game updates per day from the computations's point of view. "
+						+ "This does not affect the actual amount of updates, but changes the computations. "
+						+ "Can be used to speed things up or slow them down without actually changing ticker.interval." ,
+				1440.0 , 0.05 , 5760.0 );
+		definitions.add( 0 , constant );
+		constantsManager.registerConstants( definitions );
+	}
+
+
+	/**
+	 * Read the amount of update phase handlers from the application context.
+	 * 
+	 * @param context
+	 *            the application context
+	 */
+	@Override
+	public void setApplicationContext( ApplicationContext context )
+			throws BeansException
+	{
+		this.nHandlerComponents = context.getBeansOfType( GameUpdatePhaseHandler.class ).size( );
+		if ( this.nRegisteredHandlers == this.nHandlerComponents ) {
+			this.initialise( );
+		}
+	}
+
+
+	/* Documentation in GameUpdate interface */
+	@Override
+	public void registerHandler( GameUpdatePhaseHandler handler )
+			throws DuplicateUpdateHandler
+	{
+		GameUpdatePhase phase = handler.getPhase( );
+		synchronized ( this.handlers ) {
+			if ( this.handlers.containsKey( phase ) ) {
+				throw new DuplicateUpdateHandler( phase );
+			}
+			this.handlers.put( phase , handler );
+		}
+		this.logger.log( LogLevel.DEBUG , "Registered game update handler for phase " + phase.toString( ) ).flush( );
+
+		this.nRegisteredHandlers++;
+		if ( this.nRegisteredHandlers == this.nHandlerComponents ) {
+			this.initialise( );
+		}
+	}
+
+
+	/**
+	 * Initialise the component if it is ready.
+	 */
+	@Override
+	public void afterPropertiesSet( )
+	{
+		if ( this.nRegisteredHandlers == this.nHandlerComponents ) {
+			this.initialise( );
+		}
+	}
+
+
+	/**
+	 * Finish any pending computations (unless maintenance mode is active), then register the game
+	 * update task into the {@link #ticker}.
+	 */
+	private void initialise( )
+	{
+		// Finish previous tick if possible
+		try {
+			this.endPreviousTick( );
+		} catch ( MaintenanceStatusException e ) {
+			// EMPTY
+		}
+
+		// Register ticker task
+		this.ticker.registerTask( Frequency.MINUTE , "Game update" , this );
+
+		// Make sure initialisation only occurs once
+		this.nHandlerComponents = -1;
+	}
+
+
+	/**
+	 * When the game update event is triggered by the system's scheduling component, attempt to run
+	 * a game update.
+	 * 
+	 * First, check if there is already a game update in progress, and attempt to finish running it
+	 * if necessary. Otherwise start a new update though the system status manager, and execute it.
+	 */
+	@Override
+	public void run( )
+	{
+		// Attempt to end the previous tick, if e.g. maintenance mode was initiated while it was
+		// being processed
+		try {
+			if ( this.endPreviousTick( ) ) {
+				return;
+			}
+		} catch ( MaintenanceStatusException e ) {
+			return;
+		}
+
+		// Initiate next tick
+		long tickId;
+		try {
+			tickId = this.systemStatus.startTick( );
+		} catch ( TickStatusException e ) {
+			throw new RuntimeException( "tick initiated while previous tick still being processed" , e );
+		} catch ( MaintenanceStatusException e ) {
+			return;
+		}
+
+		// Execute tick
+		this.logger.log( LogLevel.DEBUG , "Tick " + tickId + " started" ).flush( );
+		this.executeUpdate( tickId );
+	}
+
+
+	/**
+	 * Check if a game update was in progress and finish running it if necessary.
+	 * 
+	 * @return <code>true</code> if a game update was already being executed, <code>false</code>
+	 *         otherwise.
+	 * 
+	 * @throws MaintenanceStatusException
+	 *             if the game is under maintenance.
+	 */
+	private boolean endPreviousTick( )
+			throws MaintenanceStatusException
+	{
+		Long currentTick = this.systemStatus.checkStuckTick( );
+		if ( currentTick == null ) {
+			return false;
+		}
+
+		this.logger.log( LogLevel.WARNING , "Tick " + currentTick + " restarted" ).flush( );
+		this.executeUpdate( currentTick.longValue( ) );
+
+		return true;
+	}
+
+
+	/**
+	 * Execute all phase handlers for a game update, then mark the update as completed.
+	 * 
+	 * @param updateId
+	 *            the identifier of the current update
+	 */
+	private void executeUpdate( long updateId )
+	{
+		for ( GameUpdatePhase phase : GameUpdatePhase.values( ) ) {
+			this.executeUpdatePhase( updateId , phase );
+		}
+
+		try {
+			this.systemStatus.endTick( );
+		} catch ( TickStatusException e ) {
+			throw new RuntimeException( "Game update completed but status error reported" , e );
+		} catch ( MaintenanceStatusException e ) {
+			return;
+		}
+
+		this.logger.log( LogLevel.TRACE , "Tick " + updateId + " completed" ).flush( );
+	}
+
+
+	/**
+	 * Execute a phase of the game update.
+	 * 
+	 * @param updateId
+	 *            the identifier of the current update
+	 * @param phase
+	 *            the phase of the update to execute
+	 */
+	private void executeUpdatePhase( final long updateId , GameUpdatePhase phase )
+	{
+		final GameUpdatePhaseHandler handler = this.getHandlerForPhase( phase );
+		handler.onPhaseStart( updateId );
+
+		boolean hasMore;
+		do {
+			hasMore = this.tTemplate.execute( new TransactionCallback< Boolean >( ) {
+				@Override
+				public Boolean doInTransaction( TransactionStatus status )
+				{
+					return handler.updateGame( updateId );
+				}
+			} );
+		} while ( hasMore );
+	}
+
+
+	/**
+	 * Access the handler for an update phase. If no handler has been registered, create a default
+	 * {@link ProceduralGameUpdate} handler.
+	 * 
+	 * @param phase
+	 *            the update phase whose handler is to be retrieved
+	 * @return the game update handler
+	 */
+	private GameUpdatePhaseHandler getHandlerForPhase( GameUpdatePhase phase )
+	{
+		GameUpdatePhaseHandler handler;
+		synchronized ( this.handlers ) {
+			handler = this.handlers.get( phase );
+			if ( handler == null ) {
+				this.logger.log( LogLevel.DEBUG , "Creating default handler for phase " + phase.toString( ) ).flush( );
+				handler = new ProceduralGameUpdate( this.updatesDao , phase );
+				this.handlers.put( phase , handler );
+			}
+		}
+		return handler;
+	}
+
+}

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-updates/src/main/java/com/deepclone/lw/beans/updates/ProceduralGameUpdate.java

@@ -0,0 +1,52 @@
+package com.deepclone.lw.beans.updates;
+
+
+import com.deepclone.lw.interfaces.game.updates.GameUpdatePhase;
+import com.deepclone.lw.interfaces.game.updates.GameUpdatePhaseHandler;
+import com.deepclone.lw.interfaces.game.updates.UpdatesDAO;
+
+
+
+class ProceduralGameUpdate
+		implements GameUpdatePhaseHandler
+{
+
+	private final GameUpdatePhase phase;
+	private final UpdatesDAO updatesDao;
+
+
+	ProceduralGameUpdate( UpdatesDAO updatesDao , GameUpdatePhase phase )
+	{
+		this.updatesDao = updatesDao;
+		this.phase = phase;
+	}
+
+
+	@Override
+	public GameUpdatePhase getPhase( )
+	{
+		return this.phase;
+	}
+
+
+	@Override
+	public boolean updateGame( long updateId )
+	{
+		if ( !this.updatesDao.prepareUpdates( updateId , this.phase ) ) {
+			return false;
+		}
+
+		this.updatesDao.executeProceduralUpdate( updateId , this.phase );
+		this.updatesDao.validateUpdatedRecords( updateId , this.phase );
+
+		return true;
+	}
+
+
+	@Override
+	public void onPhaseStart( long updateId )
+	{
+		// EMPTY
+	}
+
+}

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-updates/src/main/java/com/deepclone/lw/beans/updates/UpdatesDAOBean.java

@@ -0,0 +1,85 @@
+package com.deepclone.lw.beans.updates;
+
+
+import java.sql.Types;
+
+import javax.sql.DataSource;
+
+import org.springframework.beans.factory.annotation.Autowired;
+
+import com.deepclone.lw.interfaces.game.updates.GameUpdatePhase;
+import com.deepclone.lw.interfaces.game.updates.UpdatesDAO;
+import com.deepclone.lw.utils.StoredProc;
+
+
+
+/**
+ * Implementation of the game update data access component.
+ * 
+ * @author tseeker
+ */
+public class UpdatesDAOBean
+		implements UpdatesDAO
+{
+
+	/** Wrapper for the stored procedure that prepares updates */
+	private StoredProc fPrepareUpdates;
+
+	/** Wrapper for the stored procedure that executes a procedural game update */
+	private StoredProc fExecuteProcedural;
+
+	/** Wrapper for the stored procedure that marks update records as processed */
+	private StoredProc fUpdatesProcessed;
+
+
+	/**
+	 * Dependency injector that initialises stored procedure call handlers.
+	 * 
+	 * @param dataSource
+	 *            the data source
+	 */
+	@Autowired( required = true )
+	public void setDataSource( DataSource dataSource )
+	{
+		// Stored procedure that prepares updates
+		this.fPrepareUpdates = new StoredProc( dataSource , "sys" , "prepare_updates" );
+		this.fPrepareUpdates.addParameter( "u_id" , Types.BIGINT );
+		this.fPrepareUpdates.addParameter( "u_type" , "update_type" );
+		this.fPrepareUpdates.addOutput( "has_more" , Types.BOOLEAN );
+
+		// Stored procedure that executes a procedural game update
+		this.fExecuteProcedural = new StoredProc( dataSource , "sys" , "exec_update_proc" );
+		this.fExecuteProcedural.addParameter( "u_id" , Types.BIGINT );
+		this.fExecuteProcedural.addParameter( "u_type" , "update_type" );
+
+		// Stored procedure that marks update records as processed
+		this.fUpdatesProcessed = new StoredProc( dataSource , "sys" , "updates_processed" );
+		this.fUpdatesProcessed.addParameter( "u_id" , Types.BIGINT );
+		this.fUpdatesProcessed.addParameter( "u_type" , "update_type" );
+	}
+
+
+	/* Documentation in UpdatesDAO interface */
+	@Override
+	public boolean prepareUpdates( long updateId , GameUpdatePhase phase )
+	{
+		return (Boolean) this.fPrepareUpdates.execute( updateId , phase.toString( ) ).get( "has_more" );
+	}
+
+
+	/* Documentation in UpdatesDAO interface */
+	@Override
+	public void executeProceduralUpdate( long updateId , GameUpdatePhase phase )
+	{
+		this.fExecuteProcedural.execute( updateId , phase.toString( ) );
+	}
+
+
+	/* Documentation in UpdatesDAO interface */
+	@Override
+	public void validateUpdatedRecords( long updateId , GameUpdatePhase phase )
+	{
+		this.fUpdatesProcessed.execute( updateId , phase );
+	}
+
+}

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-updates/src/main/resources/configuration/updates-beans.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="
+                        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
+
+	<import resource="updates/game-update-bean.xml" />
+	<import resource="updates/updates-dao-bean.xml" />
+
+</beans>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-user/pom.xml

@@ -4,12 +4,12 @@
 	<parent>
 		<artifactId>legacyworlds-server-beans</artifactId>
 		<groupId>com.deepclone.lw</groupId>
-		<version>5.99.1</version>
+		<version>5.99.2</version>
 	</parent>
 
 	<groupId>com.deepclone.lw</groupId>
 	<artifactId>legacyworlds-server-beans-user</artifactId>
-	<version>5.99.1</version>
+	<version>5.99.2</version>
 	<name>Legacy Worlds server - user actions</name>
 	<description>This module defines beans and classes that handle user actions.</description>
 </project>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-user/src/main/java/com/deepclone/lw/beans/user/admin/main/techs/ListCategoriesCommandDelegateBean.java

@@ -0,0 +1,59 @@
+package com.deepclone.lw.beans.user.admin.main.techs;
+
+
+import org.springframework.beans.factory.annotation.Autowired;
+
+import com.deepclone.lw.beans.user.abst.AutowiredCommandDelegate;
+import com.deepclone.lw.beans.user.abst.SessionCommandHandler;
+import com.deepclone.lw.beans.user.admin.common.AdminOperation;
+import com.deepclone.lw.beans.user.admin.main.AdminCommandsBean;
+import com.deepclone.lw.cmd.admin.adata.Administrator;
+import com.deepclone.lw.cmd.admin.adata.Privileges;
+import com.deepclone.lw.cmd.admin.techs.ListCategoriesCommand;
+import com.deepclone.lw.cmd.admin.techs.ListCategoriesResponse;
+import com.deepclone.lw.interfaces.game.techs.TechnologyGraphManager;
+import com.deepclone.lw.interfaces.session.ServerSession;
+import com.deepclone.lw.session.Command;
+import com.deepclone.lw.session.CommandResponse;
+
+
+
+public class ListCategoriesCommandDelegateBean
+		extends AdminOperation
+		implements AutowiredCommandDelegate
+{
+	private TechnologyGraphManager manager;
+
+
+	@Autowired( required = true )
+	public void setManager( TechnologyGraphManager manager )
+	{
+		this.manager = manager;
+	}
+
+
+	@Override
+	public Class< ? extends SessionCommandHandler > getCommandHandler( )
+	{
+		return AdminCommandsBean.class;
+	}
+
+
+	@Override
+	public Class< ? extends Command > getType( )
+	{
+		return ListCategoriesCommand.class;
+	}
+
+
+	@Override
+	public CommandResponse execute( ServerSession session , Command command )
+	{
+		Administrator admin = this.getAdministrator( session );
+		if ( !admin.hasPrivilege( Privileges.GDAT ) ) {
+			return new ListCategoriesResponse( admin );
+		}
+		return new ListCategoriesResponse( admin , this.manager.listCategories( ) );
+	}
+
+}

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-user/src/main/java/com/deepclone/lw/beans/user/player/game/techs/ImplementTechCommandDelegateBean.java

@@ -1,4 +1,4 @@
-package com.deepclone.lw.beans.user.player.game;
+package com.deepclone.lw.beans.user.player.game.techs;
 
 
 import org.springframework.beans.factory.annotation.Autowired;
@@ -6,8 +6,9 @@ import org.springframework.beans.factory.annotation.Autowired;
 import com.deepclone.lw.beans.user.abst.AutowiredCommandDelegate;
 import com.deepclone.lw.beans.user.abst.SessionCommandHandler;
 import com.deepclone.lw.beans.user.player.GameSubTypeBean;
-import com.deepclone.lw.cmd.player.ImplementTechCommand;
+import com.deepclone.lw.cmd.player.research.ImplementTechCommand;
-import com.deepclone.lw.interfaces.game.EmpireManagement;
+import com.deepclone.lw.cmd.player.research.ResearchOperationResponse;
+import com.deepclone.lw.interfaces.game.techs.EmpireTechnologyManager;
 import com.deepclone.lw.interfaces.session.ServerSession;
 import com.deepclone.lw.session.Command;
 import com.deepclone.lw.session.CommandResponse;
@@ -19,13 +20,13 @@ public class ImplementTechCommandDelegateBean
 
 {
 
-	private EmpireManagement empireManagement;
+	private EmpireTechnologyManager techManagement;
 
 
 	@Autowired( required = true )
-	public void setEmpireManager( EmpireManagement manager )
+	public void setEmpireManager( EmpireTechnologyManager manager )
 	{
-		this.empireManagement = manager;
+		this.techManagement = manager;
 	}
 
 
@@ -49,8 +50,8 @@ public class ImplementTechCommandDelegateBean
 		ImplementTechCommand command = (ImplementTechCommand) cParam;
 		int empireId = session.get( "empireId" , Integer.class );
 		if ( session.get( "vacation" , Boolean.class ) ) {
-			return this.empireManagement.getOverview( empireId );
+			return new ResearchOperationResponse( );
 		}
-		return this.empireManagement.implementTechnology( empireId , command.getTech( ) );
+		return this.techManagement.implementTechnology( empireId , command.getTech( ) );
 	}
 }

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-user/src/main/java/com/deepclone/lw/beans/user/player/game/techs/SetResearchPrioritiesCommandDelegateBean.java

@@ -0,0 +1,56 @@
+package com.deepclone.lw.beans.user.player.game.techs;
+
+
+import org.springframework.beans.factory.annotation.Autowired;
+
+import com.deepclone.lw.beans.user.abst.AutowiredCommandDelegate;
+import com.deepclone.lw.beans.user.abst.SessionCommandHandler;
+import com.deepclone.lw.beans.user.player.GameSubTypeBean;
+import com.deepclone.lw.cmd.player.research.ResearchOperationResponse;
+import com.deepclone.lw.cmd.player.research.SetResearchPrioritiesCommand;
+import com.deepclone.lw.interfaces.game.techs.EmpireTechnologyManager;
+import com.deepclone.lw.interfaces.session.ServerSession;
+import com.deepclone.lw.session.Command;
+import com.deepclone.lw.session.CommandResponse;
+
+
+
+public class SetResearchPrioritiesCommandDelegateBean
+		implements AutowiredCommandDelegate
+{
+
+	private EmpireTechnologyManager techManagement;
+
+
+	@Autowired( required = true )
+	public void setEmpireManager( EmpireTechnologyManager manager )
+	{
+		this.techManagement = manager;
+	}
+
+
+	@Override
+	public Class< ? extends Command > getType( )
+	{
+		return SetResearchPrioritiesCommand.class;
+	}
+
+
+	@Override
+	public Class< ? extends SessionCommandHandler > getCommandHandler( )
+	{
+		return GameSubTypeBean.class;
+	}
+
+
+	@Override
+	public CommandResponse execute( ServerSession session , Command cParam )
+	{
+		SetResearchPrioritiesCommand command = (SetResearchPrioritiesCommand) cParam;
+		int empireId = session.get( "empireId" , Integer.class );
+		if ( session.get( "vacation" , Boolean.class ) ) {
+			return new ResearchOperationResponse( );
+		}
+		return this.techManagement.setResearchPriorities( empireId , command.getPriorities( ) );
+	}
+}

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-user/src/main/java/com/deepclone/lw/beans/user/player/game/techs/ViewResearchCommandDelegateBean.java

@@ -0,0 +1,52 @@
+package com.deepclone.lw.beans.user.player.game.techs;
+
+
+import org.springframework.beans.factory.annotation.Autowired;
+
+import com.deepclone.lw.beans.user.abst.AutowiredCommandDelegate;
+import com.deepclone.lw.beans.user.abst.SessionCommandHandler;
+import com.deepclone.lw.beans.user.player.GameSubTypeBean;
+import com.deepclone.lw.cmd.player.research.ViewResearchCommand;
+import com.deepclone.lw.interfaces.game.techs.EmpireTechnologyManager;
+import com.deepclone.lw.interfaces.session.ServerSession;
+import com.deepclone.lw.session.Command;
+import com.deepclone.lw.session.CommandResponse;
+
+
+
+public class ViewResearchCommandDelegateBean
+		implements AutowiredCommandDelegate
+{
+
+	private EmpireTechnologyManager techManagement;
+
+
+	@Autowired( required = true )
+	public void setEmpireManager( EmpireTechnologyManager manager )
+	{
+		this.techManagement = manager;
+	}
+
+
+	@Override
+	public Class< ? extends Command > getType( )
+	{
+		return ViewResearchCommand.class;
+	}
+
+
+	@Override
+	public Class< ? extends SessionCommandHandler > getCommandHandler( )
+	{
+		return GameSubTypeBean.class;
+	}
+
+
+	@Override
+	public CommandResponse execute( ServerSession session , Command cParam )
+	{
+		int empireId = session.get( "empireId" , Integer.class );
+		return this.techManagement.getResearchData( empireId );
+	}
+
+}

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-user/src/main/resources/configuration/user/admin-session-definer-bean.xml

@@ -93,5 +93,8 @@
 	<bean class="com.deepclone.lw.beans.user.admin.main.mntm.EnableMaintenanceCommandDelegateBean" />
 	<bean class="com.deepclone.lw.beans.user.admin.main.mntm.EndMaintenanceCommandDelegateBean" />
 	<bean class="com.deepclone.lw.beans.user.admin.main.mntm.ExtendMaintenanceCommandDelegateBean" />
+	
+	<!-- Technology graph -->
+	<bean class="com.deepclone.lw.beans.user.admin.main.techs.ListCategoriesCommandDelegateBean" />
 
 </beans>

legacyworlds-server/legacyworlds-server-beans/legacyworlds-server-beans-user/src/main/resources/configuration/user/player-session-definer-bean.xml

@@ -44,8 +44,12 @@
 
 	<!-- Game: empire -->
 	<bean class="com.deepclone.lw.beans.user.player.game.OverviewCommandDelegateBean" />
-	<bean class="com.deepclone.lw.beans.user.player.game.ImplementTechCommandDelegateBean" />
 	<bean class="com.deepclone.lw.beans.user.player.game.GetNewPlanetCommandDelegateBean" />
+	
+	<!-- Game: technologies -->
+	<bean class="com.deepclone.lw.beans.user.player.game.techs.ViewResearchCommandDelegateBean" />
+	<bean class="com.deepclone.lw.beans.user.player.game.techs.ImplementTechCommandDelegateBean" />
+	<bean class="com.deepclone.lw.beans.user.player.game.techs.SetResearchPrioritiesCommandDelegateBean" />
 
 	<!-- Game: planet list -->
 	<bean class="com.deepclone.lw.beans.user.player.game.ListPlanetsCommandDelegateBean" />

legacyworlds-server/legacyworlds-server-beans/pom.xml

@@ -4,13 +4,13 @@
 	<parent>
 		<artifactId>legacyworlds-server</artifactId>
 		<groupId>com.deepclone.lw</groupId>
-		<version>5.99.1</version>
+		<version>5.99.2</version>
 	</parent>
 
 	<groupId>com.deepclone.lw</groupId>
 	<artifactId>legacyworlds-server-beans</artifactId>
 	<name>Legacy Worlds server beans</name>
-	<version>5.99.1</version>
+	<version>5.99.2</version>
 	<packaging>pom</packaging>
 	<description>This metapackage regroups all packages which define beans for the Legacy Worlds server.</description>
 
@@ -32,5 +32,8 @@
 		<module>legacyworlds-server-beans-bt</module>
 		<module>legacyworlds-server-beans-user</module>
 		<module>legacyworlds-server-beans-simple</module>
+		<module>legacyworlds-server-beans-techs</module>
+		<module>legacyworlds-server-beans-updates</module>
+		<module>legacyworlds-server-beans-events</module>
 	</modules>
 </project>

legacyworlds-server/legacyworlds-server-data/db-structure/parts/020-functions.sql

@@ -14,6 +14,7 @@
 \i parts/functions/030-tech-functions.sql
 \i parts/functions/035-users-view.sql
 \i parts/functions/040-empire-functions.sql
+\i parts/functions/045-research-functions.sql
 \i parts/functions/050-computation-functions.sql
 \i parts/functions/060-universe-functions.sql
 \i parts/functions/070-users-functions.sql

legacyworlds-server/legacyworlds-server-data/db-structure/parts/data/070-constants-data.sql

@@ -25,9 +25,9 @@ CREATE TABLE sys.constant_definitions(
 	name			VARCHAR(64) NOT NULL PRIMARY KEY,
 	category_id		INT NOT NULL ,
 	description		TEXT NOT NULL ,
-	min_value		REAL ,
+	min_value		DOUBLE PRECISION ,
-	max_value		REAL ,
+	max_value		DOUBLE PRECISION ,
-	c_value			REAL NOT NULL ,
+	c_value			DOUBLE PRECISION NOT NULL ,
 	CHECK(
 		( min_value IS NULL OR (
 				min_value IS NOT NULL AND c_value >= min_value ) )

legacyworlds-server/legacyworlds-server-data/db-structure/parts/data/080-techs-data.sql

@@ -8,49 +8,65 @@
 
 
 --
--- Technology lines
+-- Categories
 --
-
+CREATE TABLE tech.categories(
-CREATE TABLE tech.lines(
 	name_id			INT NOT NULL PRIMARY KEY ,
 	description_id	INT NOT NULL
 );
 
-CREATE INDEX idx_lines_description
+CREATE INDEX idx_categories_description
-	ON tech.lines (description_id);
+	ON tech.categories (description_id);
 
-ALTER TABLE tech.lines
+ALTER TABLE tech.categories
-	ADD CONSTRAINT fk_lines_name
+	ADD CONSTRAINT fk_categories_name
 		FOREIGN KEY (name_id) REFERENCES defs.strings ,
-	ADD CONSTRAINT fk_lines_description
+	ADD CONSTRAINT fk_categories_description
 		FOREIGN KEY (description_id) REFERENCES defs.strings;
-		
+
 
 --
--- Technology levels
+-- Technologies
 --
 
-CREATE TABLE tech.levels(
+CREATE TABLE tech.technologies(
-	id				SERIAL NOT NULL PRIMARY KEY ,
+	name_id			INT NOT NULL PRIMARY KEY ,
-	line_id			INT NOT NULL ,
-	level			INT NOT NULL CHECK( level > 0 ) ,
-	name_id			INT NOT NULL ,
 	description_id	INT NOT NULL ,
+	category_id		INT NOT NULL ,
 	points			INT NOT NULL CHECK( points > 0 ) ,
 	cost			INT NOT NULL CHECK( cost > 0 )
 );
 
-CREATE UNIQUE INDEX idx_levels_linelevel
+CREATE INDEX idx_technologies_description
-	ON tech.levels (line_id, level);
+	ON tech.technologies (description_id);
-CREATE INDEX idx_levels_name
+CREATE INDEX idx_technologies_category
-	ON tech.levels (name_id);
+	ON tech.technologies (category_id);
-CREATE INDEX idx_levels_description
-	ON tech.levels (description_id);
 
-ALTER TABLE tech.levels
+ALTER TABLE tech.technologies
-	ADD CONSTRAINT fk_levels_line
+	ADD CONSTRAINT fk_technologies_category
-		FOREIGN KEY (line_id) REFERENCES tech.lines ,
+		FOREIGN KEY (category_id) REFERENCES tech.categories ,
-	ADD CONSTRAINT fk_levels_name
+	ADD CONSTRAINT fk_technologies_name
 		FOREIGN KEY (name_id) REFERENCES defs.strings ,
-	ADD CONSTRAINT fk_levels_description
+	ADD CONSTRAINT fk_technologies_description
 		FOREIGN KEY (description_id) REFERENCES defs.strings;
+
+
+
+--
+-- Dependencies
+--
+
+CREATE TABLE tech.dependencies(
+	technology_id	INT NOT NULL ,
+	depends_on		INT NOT NULL ,
+	PRIMARY KEY( technology_id , depends_on )
+);
+
+CREATE INDEX idx_dependencies_dependson
+	ON tech.dependencies (depends_on);
+
+ALTER TABLE tech.dependencies
+	ADD CONSTRAINT fk_dependencies_technology
+		FOREIGN KEY (technology_id) REFERENCES tech.technologies ,
+	ADD CONSTRAINT fk_dependencies_dependson
+		FOREIGN KEY (depends_on) REFERENCES tech.technologies;

legacyworlds-server/legacyworlds-server-data/db-structure/parts/data/090-buildables-data.sql

@@ -32,18 +32,18 @@ ALTER TABLE tech.buildables
 --
 CREATE TABLE tech.buildable_requirements(
 	buildable_id	INT NOT NULL ,
-	level_id		INT NOT NULL ,
+	technology_id	INT NOT NULL ,
-	PRIMARY KEY( buildable_id , level_id )
+	PRIMARY KEY( buildable_id , technology_id )
 );
 
-CREATE INDEX idx_buildablereqs_level
+CREATE INDEX idx_buildablereqs_technology
-	ON tech.buildable_requirements( level_id );
+	ON tech.buildable_requirements( technology_id );
 
 ALTER TABLE tech.buildable_requirements
 	ADD CONSTRAINT fk_buildablereqs_buildable
 		FOREIGN KEY (buildable_id) REFERENCES tech.buildables ,
-	ADD CONSTRAINT fk_buildablereqs_level
+	ADD CONSTRAINT fk_buildablereqs_technology
-		FOREIGN KEY (level_id) REFERENCES tech.levels;
+		FOREIGN KEY (technology_id) REFERENCES tech.technologies;
 
 
 --

legacyworlds-server/legacyworlds-server-data/db-structure/parts/data/100-universe-data.sql

@@ -28,7 +28,7 @@ CREATE TABLE verse.planets(
 	orbit		INT NOT NULL
 					CHECK( orbit BETWEEN 1 AND 5 ) ,
 	picture		INT NOT NULL ,
-	population	REAL NOT NULL
+	population	DOUBLE PRECISION NOT NULL
 					CHECK( population >= 0 )
 );
 
@@ -47,9 +47,9 @@ ALTER TABLE verse.planets
 --
 CREATE TABLE verse.planet_happiness(
 	planet_id	INT NOT NULL PRIMARY KEY ,
-	target		REAL NOT NULL
+	target		DOUBLE PRECISION NOT NULL
 					CHECK( target BETWEEN 0.0 AND 1.0 ) ,
-	current		REAL NOT NULL
+	current		DOUBLE PRECISION NOT NULL
 					CHECK( current > 0 )
 );
 
@@ -63,9 +63,9 @@ ALTER TABLE verse.planet_happiness
 --
 CREATE TABLE verse.planet_money(
 	planet_id	INT NOT NULL PRIMARY KEY ,
-	income		REAL NOT NULL
+	income		DOUBLE PRECISION NOT NULL
 					CHECK( income >= 0 ) ,
-	upkeep		REAL NOT NULL
+	upkeep		DOUBLE PRECISION NOT NULL
 					CHECK( upkeep >= 0 )
 );
 
@@ -81,7 +81,7 @@ CREATE TABLE verse.planet_buildings(
 	planet_id		INT NOT NULL ,
 	building_id		INT NOT NULL ,
 	amount			INT NOT NULL CHECK( amount >= 0 ) ,
-	damage			REAL NOT NULL CHECK( damage >= 0 ) ,
+	damage			DOUBLE PRECISION NOT NULL CHECK( damage >= 0 ) ,
 	PRIMARY KEY( planet_id , building_id )
 );
 

legacyworlds-server/legacyworlds-server-data/db-structure/parts/data/110-empires-data.sql

@@ -13,9 +13,9 @@
 
 CREATE TABLE emp.empires(
 	name_id		INT NOT NULL PRIMARY KEY ,
-	cash		REAL NOT NULL
+	cash		DOUBLE PRECISION NOT NULL
 					CHECK( cash >= 0 ),
-	debt		REAL NOT NULL DEFAULT 0
+	debt		DOUBLE PRECISION NOT NULL DEFAULT 0
 					CHECK( debt >= 0)
 );
 
@@ -25,28 +25,55 @@ ALTER TABLE emp.empires
 
 
 --
--- Empire technologies
+-- Research in progress
 --
 
-CREATE TABLE emp.technologies(
+CREATE TABLE emp.research(
 	empire_id		INT NOT NULL ,
-	line_id			INT NOT NULL ,
+	technology_id	INT	NOT NULL ,
-	level			INT NOT NULL DEFAULT 1
+	accumulated		DOUBLE PRECISION NOT NULL DEFAULT 0
-						CHECK( level > 0 ) ,
+						CHECK( accumulated >= 0 ) ,
-	accumulated		REAL NOT NULL DEFAULT 0
+	priority		INT NOT NULL
-						CHECK( accumulated >= 0 ),
+						CHECK( priority BETWEEN 0 AND 100 ) ,
-	PRIMARY KEY( empire_id , line_id )
+	PRIMARY KEY( empire_id , technology_id )
 );
 
-CREATE INDEX idx_technologies_line
+CREATE INDEX idx_research_technology
-	ON emp.technologies (line_id);
+	ON emp.research (technology_id);
 
-ALTER TABLE emp.technologies
+ALTER TABLE emp.research
-	ADD CONSTRAINT fk_technologies_empire
+	ADD CONSTRAINT fk_research_empire
 		FOREIGN KEY (empire_id) REFERENCES emp.empires
 			ON DELETE CASCADE ,
-	ADD CONSTRAINT fk_technologies_line
+	ADD CONSTRAINT fk_research_technology
-		FOREIGN KEY (line_id) REFERENCES tech.lines;
+		FOREIGN KEY (technology_id) REFERENCES tech.technologies
+			ON DELETE CASCADE;
+
+
+
+--
+-- Researched technologies (both implemented and pending implementation)
+--
+
+CREATE TABLE emp.researched_technologies(
+	empire_id		INT NOT NULL ,
+	technology_id	INT NOT NULL ,
+	implemented		BOOLEAN NOT NULL ,
+	PRIMARY KEY ( empire_id , technology_id )
+);
+
+CREATE INDEX idx_researched_technology
+	ON emp.researched_technologies ( technology_id );
+CREATE INDEX idx_researched_implemented
+	ON emp.researched_technologies ( empire_id , implemented );
+
+ALTER TABLE emp.researched_technologies
+	ADD CONSTRAINT fk_researched_empire
+		FOREIGN KEY ( empire_id ) REFERENCES emp.empires
+			ON DELETE CASCADE ,
+	ADD CONSTRAINT fk_researched_technology
+		FOREIGN KEY ( technology_id ) REFERENCES tech.technologies
+			ON DELETE CASCADE;
 
 
 --

legacyworlds-server/legacyworlds-server-data/db-structure/parts/data/120-construction-data.sql

@@ -13,8 +13,8 @@
 
 CREATE TABLE verse.bld_queues(
 	planet_id		INT NOT NULL PRIMARY KEY ,
-	money			REAL NOT NULL CHECK( money >= 0 ),
+	money			DOUBLE PRECISION NOT NULL CHECK( money >= 0 ),
-	work			REAL NOT NULL CHECK( work >= 0 )
+	work			DOUBLE PRECISION NOT NULL CHECK( work >= 0 )
 );
 
 ALTER TABLE verse.bld_queues
@@ -51,8 +51,8 @@ ALTER TABLE verse.bld_items
 
 CREATE TABLE verse.mil_queues(
 	planet_id		INT NOT NULL PRIMARY KEY ,
-	money			REAL NOT NULL CHECK( money >= 0 ),
+	money			DOUBLE PRECISION NOT NULL CHECK( money >= 0 ),
-	work			REAL NOT NULL CHECK( work >= 0 )
+	work			DOUBLE PRECISION NOT NULL CHECK( work >= 0 )
 );
 
 ALTER TABLE verse.mil_queues

legacyworlds-server/legacyworlds-server-data/db-structure/parts/data/130-fleets-data.sql

@@ -46,7 +46,7 @@ CREATE TABLE fleets.ships(
 	fleet_id	BIGINT NOT NULL ,
 	ship_id		INT NOT NULL ,
 	amount		INT NOT NULL CHECK( amount >= 0 ) ,
-	damage		REAL NOT NULL ,
+	damage		DOUBLE PRECISION NOT NULL ,
 	PRIMARY KEY( fleet_id , ship_id )
 );
 
@@ -89,8 +89,8 @@ ALTER TABLE fleets.movements
 
 CREATE TABLE fleets.ms_space(
 	movement_id		BIGINT NOT NULL PRIMARY KEY ,
-	start_x			REAL NOT NULL ,
+	start_x			DOUBLE PRECISION NOT NULL ,
-	start_y			REAL NOT NULL
+	start_y			DOUBLE PRECISION NOT NULL
 );
 
 ALTER TABLE fleets.ms_space

legacyworlds-server/legacyworlds-server-data/db-structure/parts/data/170-events-data.sql

@@ -3,10 +3,163 @@
 --
 -- Storage of events (internal messages)
 --
--- Copyright(C) 2004-2010, DeepClone Development
+-- Copyright(C) 2004-2011, DeepClone Development
 -- --------------------------------------------------------
 
 
+--
+-- Event type definitionss
+--
+
+CREATE TABLE events.event_type_definitions(
+	etd_type			VARCHAR( 48 ) NOT NULL
+							PRIMARY KEY ,
+	etd_priority		INT NOT NULL
+							CHECK( etd_priority BETWEEN 1 AND 5 ) ,
+	etd_user_priority	BOOLEAN NOT NULL
+);
+
+
+--
+-- Types of field contents
+--
+--	INMB	integer
+--	RNMB	real number
+--	TEXT	text
+--	BOOL	boolean
+--	I18N	internationalised string
+--	EREF	game entity reference
+--
+
+CREATE TYPE events.field_content_type
+	AS ENUM ( 'INMB' , 'RNMB' , 'TEXT' , 'BOOL' , 'I18N' , 'EREF' );
+
+
+--
+-- Subtypes of reference field contents
+--
+--	EMP		empire
+--	MAP		map object
+--	FLT		fleet
+--	BAT		battle
+--	ADM		administrator
+--	MSG		message
+--	BUG		bug report
+--
+
+CREATE TYPE events.field_reference_type
+	AS ENUM ( 'EMP' , 'MAP' , 'FLT' , 'BAT' , 'ADM' , 'MSG' , 'BUG' );
+
+
+--
+-- Event field definitions
+--
+
+CREATE TABLE events.event_field_definitions(
+	etd_type			VARCHAR( 48 ) NOT NULL ,
+	efd_field			VARCHAR( 48 ) NOT NULL ,
+	efd_required		BOOLEAN NOT NULL ,
+	efd_type			events.field_content_type NOT NULL ,
+	efd_reference_type	events.field_reference_type ,
+	efd_low_boundary	DOUBLE PRECISION ,
+	efd_high_boundary	DOUBLE PRECISION ,
+	
+	PRIMARY KEY ( etd_type , efd_field ) ,
+
+	CHECK( efd_type = 'EREF' AND efd_reference_type IS NOT NULL
+			OR efd_type <> 'EREF' AND efd_reference_type IS NULL ) ,
+
+	CHECK ( efd_type IN ( 'INMB' , 'RNMB' , 'TEXT' )
+			OR  efd_type NOT IN ( 'INMB' , 'RNMB' , 'TEXT' )
+					AND efd_low_boundary IS NULL
+					AND efd_high_boundary IS NULL ) ,
+
+	CHECK ( efd_low_boundary IS NULL OR efd_high_boundary IS NULL
+			OR efd_low_boundary < efd_high_boundary )
+);
+
+ALTER TABLE events.event_field_definitions
+	ADD CONSTRAINT fk_efd_type
+		FOREIGN KEY ( etd_type ) REFERENCES events.event_type_definitions;
+
+
+
+--
+-- Event format definitions
+--
+
+CREATE TABLE events.event_format_definitions(
+	etd_type		VARCHAR( 48 ) NOT NULL ,
+	efmd_order		INT NOT NULL ,
+	efmd_template	INT NOT NULL ,
+
+	PRIMARY KEY ( etd_type , efmd_order )
+);
+
+CREATE INDEX idx_efmd_template
+	ON events.event_format_definitions ( efmd_template );
+
+ALTER TABLE events.event_format_definitions
+	ADD CONSTRAINT fk_efmd_type
+		FOREIGN KEY ( etd_type ) REFERENCES events.event_type_definitions ,
+	ADD CONSTRAINT fk_efmd_template
+		FOREIGN KEY ( efmd_template ) REFERENCES defs.strings;
+
+
+
+--
+-- Types of format conditions
+--
+--	EX		has value				all
+--	EQ		is equal to ...			all except EREF
+--	NE		is not equal to ...		all except EREF
+--	GT		> ...					INMB , RNMB
+--			length > ...			TEXT
+--	LT		< ...					INMB , RNMB
+--			shorter than ...		TEXT
+--	GE		>= ...					INMB , RNMB
+--			length >= ...			TEXT
+--	LE		<= ...					INMB , RNMB
+--			length <= ...			TEXT
+--	AV		available				EREF
+--
+
+CREATE TYPE events.format_condition_type
+	AS ENUM ( 'EX' , 'EQ' , 'NE' , 'GT' , 'LT' , 'GE' , 'LE' , 'AV' );
+
+
+--
+-- Conditions on format definitions
+--
+
+CREATE TABLE events.efmt_conditions(
+	etd_type		VARCHAR( 48 ) NOT NULL ,
+	efmd_order		INT NOT NULL ,
+	efd_field		VARCHAR( 48 ) NOT NULL ,
+	efc_type		events.format_condition_type NOT NULL ,
+	efc_boolean		BOOLEAN ,
+	efc_numeric		DOUBLE PRECISION ,
+	efc_string		TEXT ,
+	
+	PRIMARY KEY( etd_type , efmd_order , efd_field , efc_type )
+);
+
+CREATE INDEX idx_efmtc_field
+	ON events.efmt_conditions ( etd_type , efd_field );
+
+ALTER TABLE events.efmt_conditions
+	ADD CONSTRAINT fk_efmtc_format
+		FOREIGN KEY  ( etd_type , efmd_order ) REFERENCES events.event_format_definitions ,
+	ADD CONSTRAINT fk_efmtc_field
+		FOREIGN KEY  ( etd_type , efd_field ) REFERENCES events.event_field_definitions;
+
+
+
+
+-- --------------------------------------------------------
+-- OLD CODE BELOW
+--
+
 CREATE TYPE event_type
 	AS ENUM ( 'QUEUE' , 'EMPIRE' , 'FLEETS' , 'PLANET', 'ALLIANCE', 'ADMIN' , 'BUGS' );
 
@@ -101,7 +254,7 @@ ALTER TABLE events.empire_events
 		FOREIGN KEY (event_id) REFERENCES events.events
 			ON DELETE CASCADE,
 	ADD CONSTRAINT fk_empevents_tech
-		FOREIGN KEY (technology_id) REFERENCES tech.levels;
+		FOREIGN KEY (technology_id) REFERENCES tech.technologies;
 
 
 

legacyworlds-server/legacyworlds-server-data/db-structure/parts/functions/010-constants-functions.sql

@@ -57,8 +57,8 @@ $$ LANGUAGE plpgsql;
 --	the constant's actual value
 --
 
-CREATE OR REPLACE FUNCTION sys.uoc_constant( cnm TEXT , cdesc TEXT , ccnm TEXT , dval REAL )
+CREATE OR REPLACE FUNCTION sys.uoc_constant( cnm TEXT , cdesc TEXT , ccnm TEXT , dval DOUBLE PRECISION )
-		RETURNS REAL
+		RETURNS DOUBLE PRECISION
 		STRICT
 		VOLATILE
 		SECURITY DEFINER
@@ -66,7 +66,7 @@ CREATE OR REPLACE FUNCTION sys.uoc_constant( cnm TEXT , cdesc TEXT , ccnm TEXT ,
 DECLARE
 	ccid	INT;
 	occid	INT;
-	cval	REAL;
+	cval	DOUBLE PRECISION;
 BEGIN
 	ccid := sys.cog_constant_category( ccnm );
 
@@ -97,7 +97,7 @@ BEGIN
 END;
 $$ LANGUAGE plpgsql;
 
-GRANT EXECUTE ON FUNCTION sys.uoc_constant( TEXT , TEXT , TEXT , REAL ) TO :dbuser;
+GRANT EXECUTE ON FUNCTION sys.uoc_constant( TEXT , TEXT , TEXT , DOUBLE PRECISION ) TO :dbuser;
 
 
 
@@ -116,8 +116,8 @@ GRANT EXECUTE ON FUNCTION sys.uoc_constant( TEXT , TEXT , TEXT , REAL ) TO :dbus
 --	the constant's actual value
 --
 
-CREATE OR REPLACE FUNCTION sys.uoc_constant( cnm TEXT , cdesc TEXT , ccnm TEXT , dval REAL , bval REAL , ismin BOOLEAN )
+CREATE OR REPLACE FUNCTION sys.uoc_constant( cnm TEXT , cdesc TEXT , ccnm TEXT , dval DOUBLE PRECISION , bval DOUBLE PRECISION , ismin BOOLEAN )
-		RETURNS REAL
+		RETURNS DOUBLE PRECISION
 		STRICT
 		VOLATILE
 		SECURITY DEFINER
@@ -125,9 +125,9 @@ CREATE OR REPLACE FUNCTION sys.uoc_constant( cnm TEXT , cdesc TEXT , ccnm TEXT ,
 DECLARE
 	ccid	INT;
 	occid	INT;
-	cval	REAL;
+	cval	DOUBLE PRECISION;
-	mival	REAL;
+	mival	DOUBLE PRECISION;
-	maval	REAL;
+	maval	DOUBLE PRECISION;
 BEGIN
 	IF ismin THEN
 		mival := bval;
@@ -175,7 +175,7 @@ BEGIN
 END;
 $$ LANGUAGE plpgsql;
 
-GRANT EXECUTE ON FUNCTION sys.uoc_constant( TEXT , TEXT , TEXT , REAL , REAL , BOOLEAN ) TO :dbuser;
+GRANT EXECUTE ON FUNCTION sys.uoc_constant( TEXT , TEXT , TEXT , DOUBLE PRECISION , DOUBLE PRECISION , BOOLEAN ) TO :dbuser;
 
 
 
@@ -194,8 +194,8 @@ GRANT EXECUTE ON FUNCTION sys.uoc_constant( TEXT , TEXT , TEXT , REAL , REAL , B
 --	the constant's actual value
 --
 
-CREATE OR REPLACE FUNCTION sys.uoc_constant( cnm TEXT , cdesc TEXT , ccnm TEXT , dval REAL , mival REAL , maval REAL )
+CREATE OR REPLACE FUNCTION sys.uoc_constant( cnm TEXT , cdesc TEXT , ccnm TEXT , dval DOUBLE PRECISION , mival DOUBLE PRECISION , maval DOUBLE PRECISION )
-		RETURNS REAL
+		RETURNS DOUBLE PRECISION
 		STRICT
 		VOLATILE
 		SECURITY DEFINER
@@ -203,7 +203,7 @@ CREATE OR REPLACE FUNCTION sys.uoc_constant( cnm TEXT , cdesc TEXT , ccnm TEXT ,
 DECLARE
 	ccid	INT;
 	occid	INT;
-	cval	REAL;
+	cval	DOUBLE PRECISION;
 BEGIN
 	ccid := sys.cog_constant_category( ccnm );
 
@@ -243,7 +243,7 @@ BEGIN
 END;
 $$ LANGUAGE plpgsql;
 
-GRANT EXECUTE ON FUNCTION sys.uoc_constant( TEXT , TEXT , TEXT , REAL , REAL , REAL ) TO :dbuser;
+GRANT EXECUTE ON FUNCTION sys.uoc_constant( TEXT , TEXT , TEXT , DOUBLE PRECISION , DOUBLE PRECISION , DOUBLE PRECISION ) TO :dbuser;
 
 
 
@@ -259,7 +259,7 @@ GRANT EXECUTE ON FUNCTION sys.uoc_constant( TEXT , TEXT , TEXT , REAL , REAL , R
 --	TRUE on success, FALSE on failure
 --
 
-CREATE OR REPLACE FUNCTION sys.set_constant( cnm TEXT , nval REAL , aid INT )
+CREATE OR REPLACE FUNCTION sys.set_constant( cnm TEXT , nval DOUBLE PRECISION , aid INT )
 		RETURNS BOOLEAN
 		STRICT
 		VOLATILE
@@ -282,7 +282,7 @@ BEGIN
 END;
 $$ LANGUAGE plpgsql;
 
-GRANT EXECUTE ON FUNCTION sys.set_constant( TEXT , REAL , INT ) TO :dbuser;
+GRANT EXECUTE ON FUNCTION sys.set_constant( TEXT , DOUBLE PRECISION , INT ) TO :dbuser;
 
 
 
@@ -294,7 +294,7 @@ GRANT EXECUTE ON FUNCTION sys.set_constant( TEXT , REAL , INT ) TO :dbuser;
 --
 
 CREATE OR REPLACE FUNCTION sys.get_constant( cnm TEXT )
-	RETURNS REAL
+	RETURNS DOUBLE PRECISION
 	STRICT STABLE
 	SECURITY DEFINER
 AS $$

legacyworlds-server/legacyworlds-server-data/db-structure/parts/functions/030-tech-functions.sql

@@ -40,94 +40,226 @@ CREATE VIEW tech.ships_view
 		FROM tech.buildables b
 			INNER JOIN tech.ships s
 				ON b.name_id = s.buildable_id;
+				
+
+--
+-- Categories view
+--
+
+CREATE VIEW tech.categories_view
+	AS SELECT ns.name AS name , ds.name AS description
+		FROM tech.categories c
+			INNER JOIN defs.strings ns
+				ON ns.id = c.name_id
+			INNER JOIN defs.strings ds
+				ON ds.id = c.description_id;
+
+GRANT SELECT ON tech.categories_view TO :dbuser;
+				
+
+--
+-- Technologies view
+--
+
+CREATE VIEW tech.technologies_view
+	AS SELECT cs.name AS category , ns.name AS name ,
+			ds.name AS description , t.points , t.cost
+		FROM tech.technologies t
+			INNER JOIN defs.strings cs
+				ON cs.id = t.category_id
+			INNER JOIN defs.strings ns
+				ON ns.id = t.name_id
+			INNER JOIN defs.strings ds
+				ON ds.id = t.description_id;
+
+GRANT SELECT ON tech.technologies_view TO :dbuser;
+
+
+--
+-- Dependencies view
+--
+
+CREATE VIEW tech.dependencies_view
+	AS SELECT ts.name AS technology , ds.name AS dependency
+		FROM tech.dependencies d
+			INNER JOIN defs.strings ts
+				ON ts.id = d.technology_id
+			INNER JOIN defs.strings ds
+				ON ds.id = d.depends_on;
+
+GRANT SELECT ON tech.dependencies_view TO :dbuser;
 
 
 
 --
--- Creates or updates a technology line
+-- Creates or updates a technology category
 --
 -- Parameters:
---	tln		Tech line name
+--	cat_name	String identifier of the category's name
---	tld		Tech line description
+--	cat_desc	String identifier of the category's description
+--
+-- Returns:
+--	0			No error
+--	1			Name string not found
+--	2			Description string not found
 --
 
-CREATE OR REPLACE FUNCTION tech.uoc_line( tln TEXT , tld TEXT )
+CREATE OR REPLACE FUNCTION tech.uoc_category( cat_name TEXT , cat_desc TEXT )
-		RETURNS VOID
+		RETURNS INT
-		STRICT
+		STRICT VOLATILE
-		VOLATILE
 		SECURITY DEFINER
 	AS $$
 DECLARE
-	nid	INT;
+	cn_id	INT;
-	did	INT;
+	cd_id	INT;
 BEGIN
-	-- Get string identifiers
+	-- Get name / description identifiers
-	SELECT INTO nid id FROM defs.strings WHERE name = tln;
+	SELECT INTO cn_id id FROM defs.strings WHERE name = cat_name;
-	SELECT INTO did id FROM defs.strings WHERE name = tld;
+	IF NOT FOUND THEN
-
+			RETURN 1;
-	-- Try creating / updating
+	END IF;
+	SELECT INTO cd_id id FROM defs.strings WHERE name = cat_desc;
+	IF NOT FOUND THEN
+		RETURN 2;
+	END IF;
+	
+	-- Create or update the category
 	BEGIN
-		INSERT INTO tech.lines ( name_id , description_id )
+		INSERT INTO tech.categories ( name_id , description_id )
-			VALUES ( nid , did );
+			VALUES ( cn_id , cd_id );
 	EXCEPTION
 		WHEN unique_violation THEN
-			UPDATE tech.lines SET description_id = did
+			UPDATE tech.categories SET description_id = cd_id
-				WHERE name_id = nid;
+				WHERE name_id = cn_id;
 	END;
+	RETURN 0;
 END;
 $$ LANGUAGE plpgsql;
 
-GRANT EXECUTE ON FUNCTION tech.uoc_line( TEXT , TEXT ) TO :dbuser;
+GRANT EXECUTE ON FUNCTION tech.uoc_category( TEXT , TEXT ) to :dbuser;
-
 
 
 --
--- Creates or updates a technology level
+-- Creates or updates a technology. If there are dependencies, clear them.
 --
 -- Parameters:
---	tln		Tech line name
+--	nt_name		Name string identifier
---	lv		Level
+--	nt_category	Category string identifier
---	lvn		Level name
+--	nt_desc		Description string identifier
---	lvd		Level description
+--	nt_points	Research points for the technology
---	lvp		Points
+--	nt_cost		Cost of the technology
---	lvc		Cost
+--
+-- Returns:
+--	0			No error
+--	1			Name string not found
+--	2			Category not found
+--	3			Description string not found
+--	4			Invalid parameters (points or cost)
 --
 
-CREATE OR REPLACE FUNCTION tech.uoc_level( tln TEXT , lv INT , lvn TEXT , lvd TEXT , lvp INT , lvc INT )
+CREATE OR REPLACE FUNCTION tech.uoc_technology( nt_name TEXT , nt_category TEXT , nt_desc TEXT ,
-		RETURNS VOID
+			nt_points INT , nt_cost INT )
-		STRICT
+		RETURNS INT
-		VOLATILE
+		STRICT VOLATILE
 		SECURITY DEFINER
 	AS $$
 DECLARE
-	lid		INT;
+	n_id	INT;
-	nid		INT;
+	c_id	INT;
-	did		INT;
+	d_id	INT;
 BEGIN
-	-- Get tech line
+	-- Get name, category and description identifiers
-	SELECT INTO lid t.name_id
+	SELECT INTO n_id id FROM defs.strings WHERE name = nt_name;
-		FROM tech.lines t
+	IF NOT FOUND THEN
-			INNER JOIN defs.strings s
+			RETURN 1;
-				ON s.id = t.name_id
+	END IF;
-		WHERE s.name = tln;
+	SELECT INTO c_id c.name_id FROM tech.categories c
+		INNER JOIN defs.strings s
+			ON s.id = c.name_id AND s.name = nt_category;
+	IF NOT FOUND THEN
+		RETURN 2;
+	END IF;
+	SELECT INTO d_id id FROM defs.strings WHERE name = nt_desc;
+	IF NOT FOUND THEN
+		RETURN 3;
+	END IF;
 
-	-- Get name / description IDs
+	-- Create or update the technology
-	SELECT INTO nid id FROM defs.strings WHERE name = lvn;
-	SELECT INTO did id FROM defs.strings WHERE name = lvd;
-
-	-- Create or update the level
 	BEGIN
-		INSERT INTO tech.levels ( line_id , level , name_id , description_id , points , cost )
+		BEGIN
-			VALUES ( lid , lv , nid , did , lvp , lvc );
+			INSERT INTO tech.technologies ( name_id , category_id , description_id , points , cost )
+				VALUES ( n_id , c_id , d_id , nt_points , nt_cost );
+		EXCEPTION
+			WHEN unique_violation THEN
+				UPDATE tech.technologies
+					SET category_id = c_id , description_id = cd_id ,
+						points = nt_points , cost = nt_cost
+					WHERE name_id = n_id;
+				DELETE FROM tech.dependencies
+					WHERE technology_id = n_id;
+		END;
+	EXCEPTION
+		WHEN check_violation THEN
+			RETURN 4;
+	END;
+	RETURN 0;
+END;
+$$ LANGUAGE plpgsql;		
+
+GRANT EXECUTE ON FUNCTION tech.uoc_technology( TEXT , TEXT , TEXT , INT , INT ) to :dbuser;
+
+
+--
+-- Adds a technology dependency
+--
+-- Parameters:
+--	nd_name		Name of the dependent technology
+--	nd_dep		Name of the dependency
+--
+-- Returns:
+--	0			No error
+--	1			Technology not found
+--	2			Dependency not found
+--	3			Duplicate dependency
+--
+CREATE OR REPLACE FUNCTION tech.add_dependency( nd_name TEXT , nd_dep TEXT )
+		RETURNS INT
+		STRICT VOLATILE
+		SECURITY DEFINER
+	AS $$
+DECLARE
+	t_id	INT;
+	d_id	INT;
+BEGIN
+	-- Get technology
+	SELECT INTO t_id t.name_id FROM tech.technologies t
+		INNER JOIN defs.strings s
+			ON s.id = t.name_id AND s.name = nd_name;
+	IF NOT FOUND THEN
+		RETURN 1;
+	END IF;
+
+	-- Get dependency
+	SELECT INTO d_id t.name_id FROM tech.technologies t
+		INNER JOIN defs.strings s
+			ON s.id = t.name_id AND s.name = nd_dep;
+	IF NOT FOUND THEN
+		RETURN 2;
+	END IF;
+	
+	-- Add dependency
+	BEGIN
+		INSERT INTO tech.dependencies ( technology_id , depends_on )
+			VALUES ( t_id , d_id );
 	EXCEPTION
 		WHEN unique_violation THEN
-			UPDATE tech.levels SET name_id = nid , description_id = did , points = lvp , cost = lvc
+			RETURN 3;
-				WHERE line_id = lid AND level = lv;
 	END;
+	RETURN 0;
 END;
 $$ LANGUAGE plpgsql;
 
-GRANT EXECUTE ON FUNCTION tech.uoc_level( TEXT , INT , TEXT , TEXT , INT , INT ) to :dbuser;
+GRANT EXECUTE ON FUNCTION tech.add_dependency( TEXT, TEXT ) TO :dbuser;
 
 
 
@@ -140,14 +272,13 @@ GRANT EXECUTE ON FUNCTION tech.uoc_level( TEXT , INT , TEXT , TEXT , INT , INT )
 --	bdc		Cost
 --	bdw		Work
 --	bdu		Upkeep
---	bdtn	Dependency (name)
+--	bdtn	Dependency
---	bdtl	Dependency (level)
 --
 -- Returns:
 --	the buildable's identifier
 --
 
-CREATE OR REPLACE FUNCTION tech.uoc_buildable( bdn TEXT , bdd TEXT , bdc INT , bdw INT , bdu INT , bdtn TEXT , bdtl INT )
+CREATE OR REPLACE FUNCTION tech.uoc_buildable( bdn TEXT , bdd TEXT , bdc INT , bdw INT , bdu INT , bdtn TEXT )
 		RETURNS INT
 		STRICT
 		VOLATILE
@@ -162,10 +293,10 @@ BEGIN
 	SELECT INTO nid id FROM defs.strings WHERE name = bdn;
 	SELECT INTO did id FROM defs.strings WHERE name = bdd;
 	IF bdtn <> '' THEN
-		SELECT INTO tdid tl.id FROM tech.levels tl
+		SELECT INTO tdid tl.name_id FROM tech.technologies tl
 			INNER JOIN defs.strings s
-				ON s.id = tl.line_id
+				ON s.id = tl.name_id
-			WHERE s.name = bdtn AND tl.level = bdtl;
+			WHERE s.name = bdtn;
 	END IF;
 	
 	-- Create or update the definition
@@ -181,7 +312,7 @@ BEGIN
 	-- Set dependencies
 	DELETE FROM tech.buildable_requirements WHERE buildable_id = nid;
 	IF bdtn <> '' THEN
-		INSERT INTO tech.buildable_requirements ( buildable_id , level_id )
+		INSERT INTO tech.buildable_requirements ( buildable_id , technology_id )
 			VALUES ( nid , tdid );
 	END IF;
 	
@@ -215,7 +346,7 @@ CREATE OR REPLACE FUNCTION tech.uoc_building( bdn TEXT , bdd TEXT , bdc INT , bd
 DECLARE
 	bdid	INT;
 BEGIN
-	bdid := tech.uoc_buildable( bdn , bdd , bdc , bdw , bdu , '' , 0 );
+	bdid := tech.uoc_buildable( bdn , bdd , bdc , bdw , bdu , '' );
 	
 	PERFORM buildable_id FROM tech.ships WHERE buildable_id = bdid;
 	IF FOUND THEN
@@ -249,22 +380,20 @@ GRANT EXECUTE ON FUNCTION tech.uoc_building( TEXT , TEXT , INT , INT , INT , INT
 --	bdwk	Workers
 --	bdot	Output type
 --	bdo		Output
---	bdtn	Dependency (name)
+--	bdtn	Dependency
---	bdtl	Dependency (level)
 --
 
 CREATE OR REPLACE FUNCTION tech.uoc_building( bdn TEXT , bdd TEXT , bdc INT , bdw INT ,
 											  bdu INT , bdwk INT , bdot building_output_type , bdo INT ,
-											  bdtn TEXT , bdtl INT )
+											  bdtn TEXT )
 		RETURNS VOID
-		STRICT
+		STRICT VOLATILE
-		VOLATILE
 		SECURITY DEFINER
 	AS $$
 DECLARE
 	bdid	INT;
 BEGIN
-	bdid := tech.uoc_buildable( bdn , bdd , bdc , bdw , bdu , bdtn , bdtl );
+	bdid := tech.uoc_buildable( bdn , bdd , bdc , bdw , bdu , bdtn );
 	
 	PERFORM buildable_id FROM tech.ships WHERE buildable_id = bdid;
 	IF FOUND THEN
@@ -282,7 +411,7 @@ BEGIN
 END;
 $$ LANGUAGE plpgsql;
 
-GRANT EXECUTE ON FUNCTION tech.uoc_building( TEXT , TEXT , INT , INT , INT , INT , building_output_type , INT , TEXT , INT ) TO :dbuser;
+GRANT EXECUTE ON FUNCTION tech.uoc_building( TEXT , TEXT , INT , INT , INT , INT , building_output_type , INT , TEXT ) TO :dbuser;
 
 
 
@@ -309,7 +438,7 @@ CREATE OR REPLACE FUNCTION tech.uoc_ship( sn TEXT , sd TEXT , sc INT , sw INT ,
 DECLARE
 	bdid	INT;
 BEGIN
-	bdid := tech.uoc_buildable( sn , sd , sc , sw , su , '' , 0 );
+	bdid := tech.uoc_buildable( sn , sd , sc , sw , su , '' );
 	
 	PERFORM buildable_id FROM tech.buildings WHERE buildable_id = bdid;
 	IF FOUND THEN
@@ -342,12 +471,11 @@ GRANT EXECUTE ON FUNCTION tech.uoc_ship( TEXT , TEXT , INT , INT , INT , INT , I
 --	su		Upkeep
 --	sp		Power
 --	sft		Orbital flight time
---	stdn	Tech line name
+--	stdn	Tech name
---	stdl	Tech level
 --
 
 CREATE OR REPLACE FUNCTION tech.uoc_ship( sn TEXT , sd TEXT , sc INT , sw INT ,
-										  su INT , sp INT , sft INT , stdn TEXT , stdl INT )
+										  su INT , sp INT , sft INT , stdn TEXT )
 		RETURNS VOID
 		STRICT
 		VOLATILE
@@ -356,7 +484,7 @@ CREATE OR REPLACE FUNCTION tech.uoc_ship( sn TEXT , sd TEXT , sc INT , sw INT ,
 DECLARE
 	bdid	INT;
 BEGIN
-	bdid := tech.uoc_buildable( sn , sd , sc , sw , su , stdn , stdl );
+	bdid := tech.uoc_buildable( sn , sd , sc , sw , su , stdn );
 	
 	PERFORM buildable_id FROM tech.buildings WHERE buildable_id = bdid;
 	IF FOUND THEN
@@ -374,6 +502,6 @@ BEGIN
 END;
 $$ LANGUAGE plpgsql;
 
-GRANT EXECUTE ON FUNCTION tech.uoc_ship( TEXT , TEXT , INT , INT , INT , INT , INT , TEXT , INT ) TO :dbuser;
+GRANT EXECUTE ON FUNCTION tech.uoc_ship( TEXT , TEXT , INT , INT , INT , INT , INT , TEXT ) TO :dbuser;
 
 

legacyworlds-server/legacyworlds-server-data/db-structure/parts/functions/040-empire-functions.sql

@@ -3,7 +3,7 @@
 --
 -- Empire management functions and views
 --
--- Copyright(C) 2004-2010, DeepClone Development
+-- Copyright(C) 2004-2011, DeepClone Development
 -- --------------------------------------------------------
 
 
@@ -15,7 +15,7 @@
 --	pid		Planet identifier
 --	icash	Initial cash
 --
-CREATE OR REPLACE FUNCTION emp.create_empire( nid INT , pid INT , icash REAL )
+CREATE OR REPLACE FUNCTION emp.create_empire( nid INT , pid INT , icash DOUBLE PRECISION )
 		RETURNS VOID
 		STRICT
 		VOLATILE
@@ -81,49 +81,6 @@ $$ LANGUAGE SQL;
 GRANT EXECUTE ON FUNCTION emp.get_current( INT ) TO :dbuser;
 
 
-
---
--- Implements a technology
---
-
-CREATE OR REPLACE FUNCTION emp.implement_tech( e_id INT , l_id INT )
-		RETURNS VOID
-		STRICT VOLATILE
-		SECURITY DEFINER
-	AS $$
-DECLARE
-	e_cash	REAL;
-	lev		INT;
-	cost	REAL;
-BEGIN
-	SELECT INTO e_cash , lev , cost e.cash , et.level , tl.cost
-		FROM emp.empires e
-			INNER JOIN emp.technologies et
-				ON et.line_id = l_id AND et.empire_id = e.name_id
-			INNER JOIN tech.levels tl
-				ON tl.line_id = l_id AND tl.level = et.level
-					AND tl.points = floor( et.accumulated )
-					AND tl.cost <= e.cash
-		WHERE e.name_id = e_id
-		FOR UPDATE OF e , et;
-
-	IF NOT FOUND THEN
-		RETURN;
-	END IF;
-
-	UPDATE emp.empires
-		SET cash = e_cash - cost
-		WHERE name_id = e_id;
-	UPDATE emp.technologies
-		SET level = lev + 1 , accumulated = 0
-		WHERE empire_id = e_id AND line_id = l_id;
-END;
-$$ LANGUAGE plpgsql;
-
-GRANT EXECUTE ON FUNCTION emp.implement_tech( INT , INT ) TO :dbuser;
-
-
-
 --
 -- Add an enemy empire
 --
@@ -413,7 +370,7 @@ CREATE OR REPLACE FUNCTION emp.get_new_planet( e_id INT , p_name TEXT , OUT err_
 DECLARE
 	plid	INT;
 	accid	INT;
-	ccash	REAL;
+	ccash	DOUBLE PRECISION;
 	f_id	BIGINT;
 	fleets	BIGINT[];
 BEGIN
@@ -484,7 +441,7 @@ CREATE VIEW emp.enemies
 --
 
 CREATE VIEW emp.general_information
-	AS SELECT e.name_id AS id , en.name AS name ,
+	AS SELECT e.name_id AS id , en.name AS name , av.language ,
 			  ( CASE
 			  		WHEN av.status = 'QUITTING' THEN 'q'
 			  		WHEN av.status = 'VACATION' THEN 'v'
@@ -600,50 +557,6 @@ CREATE VIEW emp.overview
 GRANT SELECT ON emp.overview TO :dbuser;
 
 
---
--- Empire tech lines
---
-
-CREATE VIEW emp.tech_lines_view
-	AS SELECT e.name_id AS empire , tl.name_id AS tech_line ,
-				t1.translated_string AS name ,
-				t2.translated_string AS description
-			FROM emp.empires e
-				INNER JOIN emp.technologies et ON et.empire_id = e.name_id
-				INNER JOIN tech.lines tl ON tl.name_id = et.line_id
-				INNER JOIN naming.empire_names en ON en.id = e.name_id
-				INNER JOIN users.credentials c ON c.address_id = en.owner_id
-				INNER JOIN defs.translations t1 ON t1.string_id = tl.name_id AND t1.lang_id = c.language_id
-				INNER JOIN defs.translations t2 ON t2.string_id = tl.description_id AND t2.lang_id = c.language_id
-			ORDER BY t1.translated_string;
-
-GRANT SELECT ON emp.tech_lines_view TO :dbuser;
-
-
---
--- Empire technologies
---
-
-CREATE VIEW emp.technologies_view
-	AS SELECT e.name_id AS empire , tl.name_id AS tech_line ,
-				t1.translated_string AS name ,
-				t2.translated_string AS description ,
-				( et.level > tlv.level ) AS implemented ,
-				floor( 100 * et.accumulated / tlv.points ) AS progress ,
-				tlv.cost AS cost
-			FROM emp.empires e
-				INNER JOIN emp.technologies et ON et.empire_id = e.name_id
-				INNER JOIN tech.lines tl ON tl.name_id = et.line_id
-				INNER JOIN tech.levels tlv ON tlv.line_id = tl.name_id AND tlv.level <= et.level
-				INNER JOIN naming.empire_names en ON en.id = e.name_id
-				INNER JOIN users.credentials c ON c.address_id = en.owner_id
-				INNER JOIN defs.translations t1 ON t1.string_id = tlv.name_id AND t1.lang_id = c.language_id
-				INNER JOIN defs.translations t2 ON t2.string_id = tlv.description_id AND t2.lang_id = c.language_id
-			ORDER BY tl.name_id , tlv.level;
-
-GRANT SELECT ON emp.technologies_view TO :dbuser;
-
-
 --
 -- Enemy lists
 --

legacyworlds-server/legacyworlds-server-data/db-structure/parts/functions/045-research-functions.sql

@@ -0,0 +1,227 @@
+-- LegacyWorlds Beta 6
+-- PostgreSQL database scripts
+--
+-- Research mananagement functions and views
+--
+-- Copyright(C) 2004-2011, DeepClone Development
+-- --------------------------------------------------------
+
+
+
+
+--
+-- Implement a technology
+--
+-- Parameters:
+--	e_id	Empire identifier
+--	t_name	Technology name
+--
+-- Returns:
+--	0		on success
+--	1		if the empire does not posses the necessary resources
+--	2		if the technology or empire were not found
+--
+
+CREATE OR REPLACE FUNCTION emp.implement_tech( e_id INT , t_name TEXT )
+		RETURNS INT
+		STRICT VOLATILE
+		SECURITY DEFINER
+	AS $$
+DECLARE
+	e_cash	DOUBLE PRECISION;
+	t_id	INT;
+	t_cost	DOUBLE PRECISION;
+BEGIN
+	SELECT INTO e_cash , t_id , t_cost e.cash , ns.id , td.cost
+		FROM defs.strings ns
+			INNER JOIN tech.technologies td
+				ON td.name_id = ns.id
+			INNER JOIN emp.researched_technologies rt
+				ON rt.technology_id = td.name_id
+			INNER JOIN emp.empires e
+				ON rt.empire_id = e.name_id
+		WHERE e.name_id = e_id AND ns.name = t_name
+		FOR UPDATE OF e , rt;
+	IF NOT FOUND THEN
+		RETURN 2;
+	END IF;
+	
+	IF e_cash < t_cost THEN
+		RETURN 1;
+	END IF;
+	
+	UPDATE emp.empires
+		SET cash = e_cash - t_cost
+		WHERE name_id = e_id;
+	UPDATE emp.researched_technologies
+		SET implemented = TRUE
+		WHERE empire_id = e_id AND technology_id = t_id;
+
+	RETURN 0;
+END;
+$$ LANGUAGE plpgsql;
+
+GRANT EXECUTE ON FUNCTION emp.implement_tech( INT , TEXT ) TO :dbuser;
+
+
+
+--
+-- Prepare for research priorities updates
+--
+
+CREATE OR REPLACE FUNCTION emp.prepare_research_priorities_update( )
+		RETURNS VOID
+		STRICT VOLATILE
+		SECURITY DEFINER
+	AS $$
+BEGIN
+	CREATE TEMPORARY TABLE research_priorities_updates(
+		technology		TEXT ,
+		priority		INT
+	);
+	CREATE INDEX rpu_technology ON research_priorities_updates ( technology );
+	IF session_user <> current_user THEN
+		EXECUTE 'GRANT INSERT ON research_priorities_updates TO ' || session_user;
+	END IF;
+END;
+$$ LANGUAGE plpgsql;
+
+GRANT EXECUTE ON FUNCTION emp.prepare_research_priorities_update( ) TO :dbuser;
+
+
+--
+-- Applies research priorities updates
+--
+-- Parameters:
+--	e_id		identifier of the empire the updates should be applied to
+--
+-- Returns:
+--	an error code:
+--		0		success
+--		1		list of updates does not match current research topics
+--		2		invalid priorities
+--
+
+CREATE OR REPLACE FUNCTION emp.apply_research_priorities( IN e_id INT )
+		RETURNS INT
+		STRICT VOLATILE
+		SECURITY DEFINER
+	AS $$
+DECLARE
+	rec		RECORD;
+	t		INT;
+	rval	INT;
+BEGIN
+	-- Lock empire and research info
+	PERFORM er.technology_id
+		FROM emp.empires e
+			INNER JOIN emp.research er ON er.empire_id = e.name_id
+		WHERE e.name_id = e_id
+		FOR UPDATE OF e , er;
+
+	-- Check values
+	t := 0;
+	rval := 0;
+	FOR rec IN SELECT rpu.priority , r.technology_id FROM research_priorities_updates rpu
+					LEFT OUTER JOIN emp.research_view r
+						ON ( r.detailed AND r.technology = rpu.technology )
+							OR ( NOT r.detailed AND ( 'unknown-' || ( r.technology_id * e_id )::TEXT ) = rpu.technology )
+					WHERE r.empire = e_id OR r.empire IS NULL
+				UNION SELECT rpu.priority , r.technology_id FROM research_priorities_updates rpu
+					RIGHT OUTER JOIN emp.research_view r
+						ON ( r.detailed AND r.technology = rpu.technology )
+							OR ( NOT r.detailed AND ( 'unknown-' || ( r.technology_id * e_id )::TEXT ) = rpu.technology )
+					WHERE r.empire = e_id
+	LOOP
+		IF rec.priority IS NULL OR rec.technology_id IS NULL THEN
+			rval := 1;
+			EXIT;
+		ELSIF rec.priority NOT BETWEEN 0 AND 100 THEN
+			rval := 2;
+			EXIT;
+		END IF;
+		t := t + rec.priority;
+	END LOOP;
+	IF rval = 0 AND t <> 100 THEN
+		rval := 2;
+	END IF;
+
+	-- Update research info
+	IF rval = 0 THEN
+		UPDATE emp.research er SET priority = rpu.priority
+			FROM research_priorities_updates rpu , emp.research_view rv
+			WHERE ( rpu.technology = CASE
+							WHEN rv.detailed THEN
+								rv.technology
+							ELSE
+								( 'unknown-' || ( rv.technology_id * e_id )::TEXT )
+						END )
+				AND rv.empire = e_id
+				AND er.empire_id = e_id
+				AND er.technology_id = rv.technology_id;
+	END IF;
+	DROP TABLE research_priorities_updates;
+	RETURN rval;
+END;
+$$ LANGUAGE plpgsql;
+
+GRANT EXECUTE ON FUNCTION emp.apply_research_priorities( INT ) TO :dbuser;
+
+
+
+
+--
+-- Base research view
+--
+
+CREATE VIEW emp.base_research_view
+	AS SELECT er.empire_id AS empire , er.technology_id , ns.name AS technology ,
+				td.points AS required , ( CASE
+					WHEN er.accumulated > td.points THEN
+						td.points - 1
+					ELSE
+						er.accumulated
+				END ) AS accumulated , er.priority
+			FROM emp.research er
+				INNER JOIN tech.technologies td ON td.name_id = er.technology_id
+				INNER JOIN defs.strings ns ON ns.id = er.technology_id;
+
+
+--
+-- Research view
+--
+
+CREATE VIEW emp.research_view
+	AS SELECT empire , technology , technology_id ,
+				FLOOR( 100 * accumulated / required )::INT AS completion ,
+				( accumulated >= sys.get_constant( 'game.research.minPoints' )
+					OR accumulated / required >= sys.get_constant( 'game.research.minRatio' ) ) AS detailed ,
+				priority
+			FROM emp.base_research_view;
+
+
+--
+-- Researched and implemented technologies view
+
+CREATE VIEW emp.known_techs_view
+	AS SELECT et.empire_id AS empire , et.technology_id , ns.name AS technology ,
+				( CASE WHEN et.implemented THEN NULL::INT ELSE td.cost END ) AS cost
+			FROM emp.researched_technologies et
+				INNER JOIN tech.technologies td ON td.name_id = et.technology_id
+				INNER JOIN defs.strings ns ON ns.id = et.technology_id;
+
+
+--
+-- Combined research and technologies view
+--
+
+CREATE VIEW emp.technologies_view
+	AS SELECT empire , technology_id , technology ,
+				detailed , completion , priority , NULL::INT AS cost
+			FROM emp.research_view
+	UNION ALL SELECT empire , technology_id , technology ,
+				TRUE AS detailed , NULL::INT AS completion , NULL::INT AS priority , cost
+			FROM emp.known_techs_view;
+
+GRANT SELECT ON emp.technologies_view TO :dbuser;
+

legacyworlds-server/legacyworlds-server-data/db-structure/parts/functions/050-computation-functions.sql

@@ -11,14 +11,14 @@
 -- sigma( x ) = exp( x ) / ( 1 + exp( x ) )
 --
 
-CREATE OR REPLACE FUNCTION verse.sigma( x REAL )
+CREATE OR REPLACE FUNCTION verse.sigma( x DOUBLE PRECISION )
-	RETURNS REAL
+	RETURNS DOUBLE PRECISION
 	STRICT IMMUTABLE SECURITY INVOKER
 AS $$
 	SELECT ( CASE
 		WHEN $1 < -100 THEN 0
 		WHEN $1 > 100 THEN 1
-		ELSE ( exp( $1 ) / ( 1 + exp( $1 ) ) )::REAL
+		ELSE ( exp( $1 ) / ( 1 + exp( $1 ) ) )
 	END );
 $$ LANGUAGE SQL;
 
@@ -28,8 +28,8 @@ $$ LANGUAGE SQL;
 -- poly( x , a , b , c ) = ( a * x + b ) * x + c 
 --
 
-CREATE OR REPLACE FUNCTION verse.poly( x REAL , a REAL , b REAL , c REAL )
+CREATE OR REPLACE FUNCTION verse.poly( x DOUBLE PRECISION , a DOUBLE PRECISION , b DOUBLE PRECISION , c DOUBLE PRECISION )
-	RETURNS REAL
+	RETURNS DOUBLE PRECISION
 	STRICT IMMUTABLE SECURITY INVOKER
 AS $$
 	SELECT ( $2 * $1 + $3 ) * $1 + $4;
@@ -41,11 +41,11 @@ $$ LANGUAGE SQL;
 -- Happiness curve, K1 constant
 --
 
-CREATE OR REPLACE FUNCTION verse.hcc_const_k1( xmax REAL , ymax REAL , xlimit REAL , ylimit REAL )
+CREATE OR REPLACE FUNCTION verse.hcc_const_k1( xmax DOUBLE PRECISION , ymax DOUBLE PRECISION , xlimit DOUBLE PRECISION , ylimit DOUBLE PRECISION )
-	RETURNS REAL
+	RETURNS DOUBLE PRECISION
 	STRICT IMMUTABLE SECURITY INVOKER
 AS $$
-	SELECT ( ( $4 - $2 ) / ( ( $3 - $1 ) ^ 2 ) )::REAL;
+	SELECT ( ( $4 - $2 ) / ( ( $3 - $1 ) ^ 2 ) );
 $$ LANGUAGE SQL;
 
 
@@ -54,11 +54,11 @@ $$ LANGUAGE SQL;
 -- Happiness curve, K2 constant
 --
 
-CREATE OR REPLACE FUNCTION verse.hcc_const_k2( ylimit REAL , yasymptote REAL )
+CREATE OR REPLACE FUNCTION verse.hcc_const_k2( ylimit DOUBLE PRECISION , yasymptote DOUBLE PRECISION )
-	RETURNS REAL
+	RETURNS DOUBLE PRECISION
 	STRICT IMMUTABLE SECURITY INVOKER
 AS $$
-	SELECT ( 2 * ( $1 - $2 ) )::REAL;
+	SELECT ( 2 * ( $1 - $2 ) );
 $$ LANGUAGE SQL;
 
 
@@ -67,11 +67,11 @@ $$ LANGUAGE SQL;
 -- Happiness curve, K3 constant
 --
 
-CREATE OR REPLACE FUNCTION verse.hcc_const_k3( xmax REAL , ymax REAL , xlimit REAL , ylimit REAL , yasymptote REAL )
+CREATE OR REPLACE FUNCTION verse.hcc_const_k3( xmax DOUBLE PRECISION , ymax DOUBLE PRECISION , xlimit DOUBLE PRECISION , ylimit DOUBLE PRECISION , yasymptote DOUBLE PRECISION )
-	RETURNS REAL
+	RETURNS DOUBLE PRECISION
 	STRICT IMMUTABLE SECURITY INVOKER
 AS $$
-	SELECT ( verse.hcc_const_k1( $1 , $2 , $3 , $4 ) * 4 * ( $3 - $1 ) / ( $5 - $4 ) ) ::REAL;
+	SELECT ( verse.hcc_const_k1( $1 , $2 , $3 , $4 ) * 4 * ( $3 - $1 ) / ( $5 - $4 ) );
 $$ LANGUAGE SQL;
 
 
@@ -80,15 +80,15 @@ $$ LANGUAGE SQL;
 -- Happiness curve, first part
 --
 
-CREATE OR REPLACE FUNCTION verse.hcc_part_1( x REAL , ymin REAL , ymax REAL , xmax REAL )
+CREATE OR REPLACE FUNCTION verse.hcc_part_1( x DOUBLE PRECISION , ymin DOUBLE PRECISION , ymax DOUBLE PRECISION , xmax DOUBLE PRECISION )
-	RETURNS REAL
+	RETURNS DOUBLE PRECISION
 	STRICT IMMUTABLE SECURITY INVOKER
 AS $$
 DECLARE
-	v	REAL;
+	v	DOUBLE PRECISION;
 BEGIN
 	v := ( ymin - ymax ) / xmax;
-	RETURN verse.poly( x , ( v / xmax )::REAL , ( -2 * v )::REAL , ymin );
+	RETURN verse.poly( x , v / xmax , -2 * v , ymin );
 END;
 $$ LANGUAGE plpgsql;
 
@@ -98,15 +98,15 @@ $$ LANGUAGE plpgsql;
 -- Happiness curve, second part
 --
 
-CREATE OR REPLACE FUNCTION verse.hcc_part_2( x REAL , xmax REAL , ymax REAL , xlimit REAL , ylimit REAL )
+CREATE OR REPLACE FUNCTION verse.hcc_part_2( x DOUBLE PRECISION , xmax DOUBLE PRECISION , ymax DOUBLE PRECISION , xlimit DOUBLE PRECISION , ylimit DOUBLE PRECISION )
-	RETURNS REAL
+	RETURNS DOUBLE PRECISION
 	STRICT IMMUTABLE SECURITY INVOKER
 AS $$
 DECLARE
-	k1	REAL;
+	k1	DOUBLE PRECISION;
 BEGIN
 	k1 := verse.hcc_const_k1( xmax , ymax , xlimit , ylimit );
-	RETURN verse.poly( x , k1 , ( -2 * xmax * k1 )::REAL , ( ymax + k1 * xmax * xmax )::REAL );
+	RETURN verse.poly( x , k1 , -2 * xmax * k1 , ymax + k1 * xmax * xmax );
 END;
 $$ LANGUAGE plpgsql;
 
@@ -116,17 +116,17 @@ $$ LANGUAGE plpgsql;
 -- Happiness curve, third part
 --
 
-CREATE OR REPLACE FUNCTION verse.hcc_part_3( x REAL , xmax REAL , ymax REAL , xlimit REAL , ylimit REAL , yasymptote REAL )
+CREATE OR REPLACE FUNCTION verse.hcc_part_3( x DOUBLE PRECISION , xmax DOUBLE PRECISION , ymax DOUBLE PRECISION , xlimit DOUBLE PRECISION , ylimit DOUBLE PRECISION , yasymptote DOUBLE PRECISION )
-	RETURNS REAL
+	RETURNS DOUBLE PRECISION
 	STRICT IMMUTABLE SECURITY INVOKER
 AS $$
 DECLARE
-	k2	REAL;
+	k2	DOUBLE PRECISION;
-	k3	REAL;
+	k3	DOUBLE PRECISION;
 BEGIN
 	k2 := verse.hcc_const_k2( ylimit , yasymptote );
 	k3 := verse.hcc_const_k3( xmax , ymax , xlimit , ylimit , yasymptote );
-	RETURN yasymptote + k2 * ( 1 - verse.sigma( ( k3 * ( x - xlimit ) ) )::REAL );
+	RETURN yasymptote + k2 * ( 1 - verse.sigma( ( k3 * ( x - xlimit ) ) ) );
 END;
 $$ LANGUAGE plpgsql;
 
@@ -136,8 +136,8 @@ $$ LANGUAGE plpgsql;
 -- Happiness curve
 --
 
-CREATE OR REPLACE FUNCTION verse.happiness_curve( x REAL , ymin REAL , xmax REAL , ymax REAL , xlimit REAL , ylimit REAL , yasymptote REAL )
+CREATE OR REPLACE FUNCTION verse.happiness_curve( x DOUBLE PRECISION , ymin DOUBLE PRECISION , xmax DOUBLE PRECISION , ymax DOUBLE PRECISION , xlimit DOUBLE PRECISION , ylimit DOUBLE PRECISION , yasymptote DOUBLE PRECISION )
-	RETURNS REAL
+	RETURNS DOUBLE PRECISION
 	STRICT IMMUTABLE SECURITY INVOKER
 AS $$
 	SELECT (CASE
@@ -156,37 +156,37 @@ $$ LANGUAGE SQL;
 -- Happiness computation
 --
 
-CREATE OR REPLACE FUNCTION verse.compute_happiness( population REAL , workers REAL , defence REAL , empsize INT )
+CREATE OR REPLACE FUNCTION verse.compute_happiness( population DOUBLE PRECISION , workers DOUBLE PRECISION , defence DOUBLE PRECISION , empsize INT )
-		RETURNS REAL
+		RETURNS DOUBLE PRECISION
 		STRICT STABLE SECURITY INVOKER
 	AS $$
 DECLARE
-	whappiness	REAL;
+	whappiness	DOUBLE PRECISION;
-	dhappiness	REAL;
+	dhappiness	DOUBLE PRECISION;
-	shappiness	REAL;
+	shappiness	DOUBLE PRECISION;
 BEGIN
 	-- Work-related happiness
 	whappiness := verse.happiness_curve(
-		( workers / population )::REAL ,
+		workers / population ,
 		sys.get_constant( 'game.happiness.noEmployment' ) , 1.0 , 1.0 , 
 		sys.get_constant( 'game.happiness.employmentLimit' ) , 0.5 , 0
 	);
 
 	-- Defence-related happiness
 	dhappiness := verse.happiness_curve(
-		( sys.get_constant( 'game.happiness.popPerDefencePoint' ) * defence / population )::REAL ,
+		sys.get_constant( 'game.happiness.popPerDefencePoint' ) * defence / population ,
 		sys.get_constant( 'game.happiness.noDefence' ) , 1.0 , 1.0 , 
 		sys.get_constant( 'game.happiness.defenceLimit' ) , 0.5 , 0
 	);
 	
 	-- Influence of empire size
 	shappiness := verse.happiness_curve(
-		( empsize::REAL / sys.get_constant( 'game.happiness.idealEmpireSize' ) )::REAL ,
+		empsize / sys.get_constant( 'game.happiness.idealEmpireSize' ) ,
 		sys.get_constant( 'game.happiness.smallEmpire' ) , 1.0 , 1.0 , 
 		sys.get_constant( 'game.happiness.eSizeLimit' ) , 0.5 , 0
 	);
 	
-	RETURN ( shappiness * ( whappiness + dhappiness ) / 2.0 )::REAL;
+	RETURN shappiness * ( whappiness + dhappiness ) / 2.0;
 END;
 $$ LANGUAGE plpgsql;
 
@@ -195,14 +195,14 @@ $$ LANGUAGE plpgsql;
 --
 -- Production adjustment
 --
-CREATE OR REPLACE FUNCTION verse.adjust_production( prod REAL , happiness REAL )
+CREATE OR REPLACE FUNCTION verse.adjust_production( prod DOUBLE PRECISION , happiness DOUBLE PRECISION )
-	RETURNS REAL
+	RETURNS DOUBLE PRECISION
 	STRICT IMMUTABLE
 	SECURITY INVOKER
 AS $$
 	SELECT ( CASE
 		WHEN $2 < sys.get_constant( 'game.happiness.strike' ) THEN
-			( $1 * ( 1 - ( $2 / sys.get_constant( 'game.happiness.strike' ) ) ) )::REAL
+			$1 * ( 1 - ( $2 / sys.get_constant( 'game.happiness.strike' ) ) )
 		ELSE
 			$1
 	END );
@@ -213,15 +213,15 @@ $$ LANGUAGE SQL;
 -- Income computation
 --
 
-CREATE OR REPLACE FUNCTION verse.compute_income( population REAL , happiness REAL , cashprod REAL )
+CREATE OR REPLACE FUNCTION verse.compute_income( population DOUBLE PRECISION , happiness DOUBLE PRECISION , cashprod DOUBLE PRECISION )
-		RETURNS REAL
+		RETURNS DOUBLE PRECISION
 		STRICT STABLE
 		SECURITY INVOKER
 	AS $$
 DECLARE
-	base	REAL;
+	base	DOUBLE PRECISION;
-	badj	REAL;
+	badj	DOUBLE PRECISION;
-	cprod	REAL;
+	cprod	DOUBLE PRECISION;
 BEGIN
 	badj := ( 1 - verse.adjust_production( 1.0 , happiness ) ) * sys.get_constant( 'game.work.strikeEffect' );
 	base := floor( population ) * sys.get_constant( 'game.work.population' ) * ( 1 - badj );

legacyworlds-server/legacyworlds-server-data/db-structure/parts/functions/060-universe-functions.sql

@@ -19,14 +19,14 @@
 --
 
 CREATE OR REPLACE FUNCTION verse.get_raw_production( pid INT , pt building_output_type )
-		RETURNS REAL
+		RETURNS DOUBLE PRECISION
 		STRICT STABLE
 		SECURITY DEFINER
 	AS $$
 DECLARE
-	rv	REAL;
+	rv	DOUBLE PRECISION;
 BEGIN
-	SELECT INTO rv SUM( b.amount * d.output )::REAL
+	SELECT INTO rv SUM( b.amount * d.output )
 		FROM verse.planet_buildings b
 			INNER JOIN tech.buildings d
 				ON d.buildable_id = b.building_id AND d.output_type = pt
@@ -114,14 +114,14 @@ $$ LANGUAGE SQL;
 --
 
 CREATE OR REPLACE FUNCTION verse.get_planet_upkeep( pid INT )
-		RETURNS REAL
+		RETURNS DOUBLE PRECISION
 		STRICT STABLE
 		SECURITY INVOKER
 	AS $$
 DECLARE
-	rv	REAL;
+	rv	DOUBLE PRECISION;
 BEGIN
-	SELECT INTO rv SUM( b.amount * d.upkeep )::REAL
+	SELECT INTO rv SUM( b.amount * d.upkeep )
 		FROM verse.planet_buildings b
 			INNER JOIN tech.buildables d
 				ON d.name_id = b.building_id
@@ -145,7 +145,7 @@ $$ LANGUAGE plpgsql;
 --	npics	Amount of planet pictures
 --
 
-CREATE OR REPLACE FUNCTION verse.create_planet( sid INT , o INT , ipop REAL , npics INT )
+CREATE OR REPLACE FUNCTION verse.create_planet( sid INT , o INT , ipop DOUBLE PRECISION , npics INT )
 		RETURNS VOID
 		STRICT VOLATILE
 		SECURITY INVOKER
@@ -156,7 +156,7 @@ DECLARE
 	bpp			INT;
 	uid			BIGINT;
 	utp			update_type;
-	happiness	REAL;
+	happiness	DOUBLE PRECISION;
 BEGIN
 	-- Planet name and planet
 	pnid := naming.create_map_name( 'P' );
@@ -217,7 +217,7 @@ $$ LANGUAGE plpgsql;
 --	npics	Amount of planet pictures
 --
 
-CREATE OR REPLACE FUNCTION verse.create_system( sx INT , sy INT , ipop REAL , npics INT )
+CREATE OR REPLACE FUNCTION verse.create_system( sx INT , sy INT , ipop DOUBLE PRECISION , npics INT )
 		RETURNS VOID
 		STRICT VOLATILE
 		SECURITY INVOKER
@@ -249,7 +249,7 @@ $$ LANGUAGE plpgsql;
 --	ipop				Initial population
 --
 
-CREATE OR REPLACE FUNCTION verse.create_systems( x0 INT , y0 INT , x1 INT , y1 INT , ipop REAL )
+CREATE OR REPLACE FUNCTION verse.create_systems( x0 INT , y0 INT , x1 INT , y1 INT , ipop DOUBLE PRECISION )
 		RETURNS VOID
 		STRICT VOLATILE
 		SECURITY INVOKER
@@ -283,7 +283,7 @@ CREATE OR REPLACE FUNCTION verse.generate_initial_universe( )
 	AS $$
 DECLARE
 	sz		INT;
-	pop 	REAL;
+	pop 	DOUBLE PRECISION;
 	npics	INT;
 BEGIN
 	sz := floor( sys.get_constant( 'game.universe.initialSize' ) );
@@ -316,7 +316,7 @@ DECLARE
 	y0		INT;
 	x1		INT;
 	y1		INT;
-	pop		REAL;
+	pop		DOUBLE PRECISION;
 BEGIN
 	-- Get current bounds
 	SELECT INTO min_x , max_x , min_y , max_y
@@ -368,7 +368,7 @@ CREATE OR REPLACE FUNCTION verse.generate( )
 	AS $$
 DECLARE
 	p_count	INT;
-	f_ratio	REAL;
+	f_ratio	DOUBLE PRECISION;
 BEGIN
 	-- Get total planet count
 	SELECT INTO p_count 5 * count(*)
@@ -381,7 +381,7 @@ BEGIN
 	END IF;
 
 	-- Get available planets ratio
-	SELECT INTO f_ratio count(*)::REAL / p_count::REAL
+	SELECT INTO f_ratio count(*)::DOUBLE PRECISION / p_count::DOUBLE PRECISION
 		FROM verse.available_planets;
 
 	-- Expand universe if required

legacyworlds-server/legacyworlds-server-data/db-structure/parts/functions/140-planets-functions.sql

@@ -175,17 +175,17 @@ CREATE OR REPLACE FUNCTION verse.get_orbital_view( e_id INT , p_id INT )
 	AS $$
 DECLARE
 	rv		planet_orbital_data;
-	happ	REAL;
+	happ	DOUBLE PRECISION;
 	e_att	BOOLEAN;
 	rec		RECORD;
 BEGIN
 	-- Get the planet's population and defence
 	SELECT INTO rv.population , happ
-			floor( p.population )::BIGINT , ( ph.current / p.population )::REAL
+			floor( p.population )::BIGINT , ( ph.current / p.population )::DOUBLE PRECISION
 		FROM verse.planets p
 			INNER JOIN verse.planet_happiness ph ON ph.planet_id = p.name_id
 		WHERE p.name_id = p_id;
-	rv.defence := round( verse.adjust_production( verse.get_raw_production( p_id , 'DEF' ) , happ ) );
+	rv.defence := verse.adjust_production( verse.get_raw_production( p_id , 'DEF' ) , happ );
 
 	-- Get the empire's fleet mode
 	SELECT INTO e_att f.attacking
@@ -332,8 +332,7 @@ AS $$
 				( bd.workers * b.amount )::INT AS jobs ,
 				( bd.upkeep * b.amount  )::BIGINT AS upkeep ,
 				bd.output_type AS p_type ,
-				floor( verse.adjust_production( ( bd.output * b.amount )::REAL ,
+				floor( verse.adjust_production( bd.output * b.amount , ph.current / p.population )
-						( ph.current / p.population )::REAL )
 				)::BIGINT AS p_value
 		FROM verse.planet_buildings b
 			INNER JOIN verse.planets p ON p.name_id = b.planet_id
@@ -373,9 +372,9 @@ AS $$
 				ELSE floor( qi.amount * bd.cost - ( CASE WHEN qi.queue_order = 0 THEN q.money ELSE 0 END ) )
 			END )::BIGINT AS investment ,
 			( CASE
-				WHEN ceil( verse.adjust_production( ( p.population * sys.get_constant( 'game.work.wuPerPopUnit' ) )::REAL , ( ph.current / p.population )::REAL ) ) = 0 THEN NULL
+				WHEN ceil( verse.adjust_production( p.population * sys.get_constant( 'game.work.wuPerPopUnit' ) , ph.current / p.population ) ) = 0 THEN NULL
 				ELSE ceil( ( qi.amount * bd.work * ( CASE WHEN qi.destroy THEN sys.get_constant( 'game.work.destructionWork' ) ELSE 1 END ) - ( CASE WHEN qi.queue_order = 0 THEN q.work ELSE 0 END ) )
-							/ verse.adjust_production( ( p.population * sys.get_constant( 'game.work.wuPerPopUnit' ) )::REAL , ( ph.current / p.population )::REAL ) )
+							/ verse.adjust_production( p.population * sys.get_constant( 'game.work.wuPerPopUnit' ) , ph.current / p.population ) )
 			END )::BIGINT AS time_left
 		FROM verse.planets p
 			INNER JOIN verse.planet_happiness ph ON ph.planet_id = p.name_id
@@ -414,9 +413,9 @@ AS $$
 			qi.amount AS amount , FALSE AS destroy ,
 			floor( qi.amount * bd.cost - ( CASE WHEN qi.queue_order = 0 THEN q.money ELSE 0 END ) )::BIGINT AS investment ,
 			( CASE
-				WHEN ceil( verse.adjust_production( verse.get_raw_production( $1 , 'WORK' ) , ( ph.current / p.population )::REAL ) ) = 0 THEN NULL
+				WHEN ceil( verse.adjust_production( verse.get_raw_production( $1 , 'WORK' ) , ph.current / p.population ) ) = 0 THEN NULL
 				ELSE ceil( ( qi.amount * bd.work - ( CASE WHEN qi.queue_order = 0 THEN q.work ELSE 0 END ) )
-							/ verse.adjust_production( verse.get_raw_production( $1 , 'WORK' ) , ( ph.current / p.population )::REAL ) )
+							/ verse.adjust_production( verse.get_raw_production( $1 , 'WORK' ) , ph.current / p.population ) )
 			END )::BIGINT AS time_left
 		FROM verse.planets p
 			INNER JOIN verse.planet_happiness ph ON ph.planet_id = p.name_id
@@ -465,12 +464,12 @@ AS $$
 			UNION SELECT bv.*
 			    FROM tech.buildings_view bv
 					INNER JOIN tech.buildable_requirements r ON r.buildable_id = bv.name_id
-					INNER JOIN tech.levels l ON l.id = r.level_id
+					INNER JOIN tech.technologies l ON l.name_id = r.technology_id
 					INNER JOIN emp.planets ep ON ep.planet_id = $1
-					INNER JOIN emp.technologies t
+					INNER JOIN emp.researched_technologies t
-					    ON t.empire_id = ep.empire_id AND t.line_id = l.line_id AND t.level > l.level
+					    ON t.empire_id = ep.empire_id AND t.technology_id = l.name_id
 		    ) AS bv , (
-			SELECT verse.adjust_production( ( p.population * sys.get_constant( 'game.work.wuPerPopUnit' ) )::REAL , ( ph.current / p.population )::REAL ) AS p_work ,
+			SELECT verse.adjust_production( p.population * sys.get_constant( 'game.work.wuPerPopUnit' ) , ph.current / p.population ) AS p_work ,
 				c.language_id AS language
 			    FROM verse.planets p
 					INNER JOIN verse.planet_happiness ph ON ph.planet_id = p.name_id
@@ -517,12 +516,12 @@ AS $$
 			UNION SELECT bv.*
 			    FROM tech.ships_view bv
 					INNER JOIN tech.buildable_requirements r ON r.buildable_id = bv.name_id
-					INNER JOIN tech.levels l ON l.id = r.level_id
+					INNER JOIN tech.technologies l ON l.name_id = r.technology_id
 					INNER JOIN emp.planets ep ON ep.planet_id = $1
-					INNER JOIN emp.technologies t
+					INNER JOIN emp.researched_technologies t
-					    ON t.empire_id = ep.empire_id AND t.line_id = l.line_id AND t.level > l.level
+					    ON t.empire_id = ep.empire_id AND t.technology_id = l.name_id
 		    ) AS bv , (
-			SELECT verse.adjust_production( verse.get_raw_production( $1 , 'WORK' ) , ( ph.current / p.population )::REAL ) AS p_work ,
+			SELECT verse.adjust_production( verse.get_raw_production( $1 , 'WORK' ) , ph.current / p.population ) AS p_work ,
 				c.language_id AS language
 			    FROM verse.planets p
 					INNER JOIN verse.planet_happiness ph ON ph.planet_id = p.name_id
@@ -594,7 +593,7 @@ CREATE OR REPLACE FUNCTION verse.flush_build_queue( p_id INT )
 	AS $$
 DECLARE
 	e_id	INT;
-	q_cash	REAL;
+	q_cash	DOUBLE PRECISION;
 BEGIN
 	SELECT INTO e_id , q_cash e.name_id , q.money
 		FROM verse.planets p
@@ -633,7 +632,7 @@ CREATE OR REPLACE FUNCTION verse.flush_military_queue( p_id INT )
 	AS $$
 DECLARE
 	e_id	INT;
-	q_cash	REAL;
+	q_cash	DOUBLE PRECISION;
 BEGIN
 	SELECT INTO e_id , q_cash e.name_id , q.money
 		FROM verse.planets p
@@ -699,10 +698,10 @@ BEGIN
 		FROM tech.ships s
 			LEFT OUTER JOIN tech.buildable_requirements r
 				ON r.buildable_id = s.buildable_id
-			LEFT OUTER JOIN tech.levels l
+			LEFT OUTER JOIN tech.technologies l
-				ON l.id = r.level_id
+				ON l.name_id = r.technology_id
-			LEFT OUTER JOIN emp.technologies t
+			LEFT OUTER JOIN emp.researched_technologies t
-				ON t.empire_id = e_id AND t.line_id = l.line_id AND t.level > l.level
+				ON t.empire_id = e_id AND t.technology_id = l.name_id
 		WHERE s.buildable_id = s_id;
 	IF NOT FOUND OR ( has_level IS NULL AND dep_level IS NOT NULL ) THEN
 		RETURN;
@@ -765,10 +764,10 @@ BEGIN
 		FROM tech.buildings b
 			LEFT OUTER JOIN tech.buildable_requirements r
 				ON r.buildable_id = b.buildable_id
-			LEFT OUTER JOIN tech.levels l
+			LEFT OUTER JOIN tech.technologies l
-				ON l.id = r.level_id
+				ON l.name_id = r.technology_id
-			LEFT OUTER JOIN emp.technologies t
+			LEFT OUTER JOIN emp.researched_technologies t
-				ON t.empire_id = e_id AND t.line_id = l.line_id AND t.level > l.level
+				ON t.empire_id = e_id AND t.technology_id = l.name_id
 		WHERE b.buildable_id = b_id;
 	IF NOT FOUND OR ( has_level IS NULL AND dep_level IS NOT NULL ) THEN
 		RETURN;
@@ -979,7 +978,7 @@ $$ LANGUAGE plpgsql;
 --	tick		Current tick
 --
 
-CREATE OR REPLACE FUNCTION verse.inflict_battle_damage( p_id INT , t_power BIGINT , dmg REAL , b_id BIGINT , tick BIGINT )
+CREATE OR REPLACE FUNCTION verse.inflict_battle_damage( p_id INT , t_power BIGINT , dmg DOUBLE PRECISION , b_id BIGINT , tick BIGINT )
 		RETURNS VOID
 		STRICT VOLATILE
 		SECURITY INVOKER
@@ -987,7 +986,7 @@ CREATE OR REPLACE FUNCTION verse.inflict_battle_damage( p_id INT , t_power BIGIN
 DECLARE
 	rec		RECORD;
 	bp_id	BIGINT;
-	st_dmg	REAL;
+	st_dmg	DOUBLE PRECISION;
 	n_dest	INT;
 BEGIN
 	PERFORM sys.write_log( 'BattleUpdate' , 'TRACE'::log_level , 'Inflicting ' || dmg
@@ -1038,18 +1037,18 @@ $$ LANGUAGE plpgsql;
 --	d_ratio		Debt damage ratio
 --
 
-CREATE OR REPLACE FUNCTION verse.handle_debt( e_id INT , t_upkeep REAL , debt REAL , d_ratio REAL )
+CREATE OR REPLACE FUNCTION verse.handle_debt( e_id INT , t_upkeep DOUBLE PRECISION , debt DOUBLE PRECISION , d_ratio DOUBLE PRECISION )
 		RETURNS VOID
 		STRICT VOLATILE
 		SECURITY INVOKER
 	AS $$
 DECLARE
 	tick		BIGINT;
-	tot_damage	REAL;
+	tot_damage	DOUBLE PRECISION;
 	p_rec		RECORD;
 	b_rec		RECORD;
 	bp_id		BIGINT;
-	b_damage	REAL;
+	b_damage	DOUBLE PRECISION;
 	n_destroy	INT;
 BEGIN
 	tick := sys.get_tick( ) - 1;
@@ -1066,7 +1065,7 @@ BEGIN
 		bp_id := NULL;
 		
 		FOR b_rec IN SELECT b.building_id AS building , b.amount AS amount ,
-							( b.amount * bb.upkeep )::REAL AS upkeep ,
+							b.amount * bb.upkeep AS upkeep ,
 							b.damage AS damage , ( bd.output_type = 'DEF' ) AS is_def
 						FROM verse.planet_buildings b
 							INNER JOIN tech.buildables bb ON bb.name_id = b.building_id
@@ -1099,4 +1098,4 @@ BEGIN
 		END LOOP;
 	END LOOP;
 END;
-$$ LANGUAGE plpgsql;
+$$ LANGUAGE plpgsql;

legacyworlds-server/legacyworlds-server-data/db-structure/parts/functions/150-battle-functions.sql

@@ -626,7 +626,7 @@ $$ LANGUAGE plpgsql;
 --	tick	Current tick identifier
 --
 
-CREATE OR REPLACE FUNCTION battles.inflict_damage( b_id BIGINT , dmg REAL , att BOOLEAN , tick BIGINT )
+CREATE OR REPLACE FUNCTION battles.inflict_damage( b_id BIGINT , dmg DOUBLE PRECISION , att BOOLEAN , tick BIGINT )
 		RETURNS VOID
 		STRICT VOLATILE
 		SECURITY INVOKER
@@ -654,9 +654,9 @@ BEGIN
 		st_power := battles.get_defence_power( b_id , tick );
 		tot_power := tot_power + st_power;
 		PERFORM sys.write_log( 'BattleUpdate' , 'TRACE'::log_level , 'About to inflict planet damage; total power: ' || tot_power
-			|| '; planet power: ' || st_power || '; computed damage: ' || ( dmg * st_power / tot_power )::REAL );
+			|| '; planet power: ' || st_power || '; computed damage: ' || ( dmg * st_power / tot_power ) );
 		IF st_power <> 0 THEN
-			PERFORM verse.inflict_battle_damage( planet , st_power , ( dmg * st_power / tot_power )::REAL , b_id , tick );
+			PERFORM verse.inflict_battle_damage( planet , st_power , dmg * st_power / tot_power , b_id , tick );
 		END IF;
 	END IF;
 	
@@ -668,7 +668,7 @@ BEGIN
 					LEFT OUTER JOIN fleets.movements m ON m.fleet_id = f.id
 				WHERE b.id = b_id AND m.fleet_id IS NULL AND f.attacking = att
 	LOOP
-		PERFORM fleets.inflict_battle_damage( rec.id , ( dmg * rec.power / tot_power )::REAL , b_id , tick );
+		PERFORM fleets.inflict_battle_damage( rec.id , dmg * rec.power / tot_power , b_id , tick );
 	END LOOP;
 END;
 $$ LANGUAGE plpgsql;

legacyworlds-server/legacyworlds-server-data/db-structure/parts/functions/160-battle-views.sql

@@ -256,8 +256,8 @@ CREATE VIEW battles.buildings_history
 					WHEN rbp.raw_power = 0 THEN
 						rbh.raw_power
 					ELSE
-						rbh.raw_power::REAL * rbp.actual_power::REAL / rbp.raw_power::REAL
+						rbh.raw_power * rbp.actual_power / rbp.raw_power
-				END )::REAL AS power
+				END ) AS power
 			FROM battles.empire_list_view elv
 				INNER JOIN battles.raw_buildings_history rbh USING (battle)
 				INNER JOIN battles.raw_buildings_power rbp USING (battle,tick)

legacyworlds-server/legacyworlds-server-data/db-structure/parts/functions/165-fleets-functions.sql

@@ -55,7 +55,7 @@ $$ LANGUAGE plpgsql;
 --	the in-system movement's duration
 --
 
-CREATE OR REPLACE FUNCTION fleets.compute_insystem_duration( f_time INT , s_orbit REAL , d_orbit REAL )
+CREATE OR REPLACE FUNCTION fleets.compute_insystem_duration( f_time INT , s_orbit DOUBLE PRECISION , d_orbit DOUBLE PRECISION )
 		RETURNS INT
 		STRICT IMMUTABLE
 		SECURITY INVOKER
@@ -84,7 +84,7 @@ $$ LANGUAGE plpgsql;
 --	the outer space movement's duration
 --
 
-CREATE OR REPLACE FUNCTION fleets.compute_outerspace_duration( f_time INT , s_x REAL , s_y REAL , d_x REAL , d_y REAL )
+CREATE OR REPLACE FUNCTION fleets.compute_outerspace_duration( f_time INT , s_x DOUBLE PRECISION , s_y DOUBLE PRECISION , d_x DOUBLE PRECISION , d_y DOUBLE PRECISION )
 		RETURNS INT
 		STRICT IMMUTABLE
 		SECURITY INVOKER
@@ -115,16 +115,16 @@ $$ LANGUAGE plpgsql;
 
 CREATE OR REPLACE FUNCTION fleets.compute_current_orbit(
 			f_time INT , rp_orbit INT , outwards BOOLEAN , past_rp BOOLEAN , ft_left INT )
-		RETURNS REAL
+		RETURNS DOUBLE PRECISION
 		STRICT IMMUTABLE
 		SECURITY INVOKER
 	AS $$
 DECLARE
-	dist	REAL;
+	dist	DOUBLE PRECISION;
-	dir		REAL;
+	dir		DOUBLE PRECISION;
-	rloc	REAL;
+	rloc	DOUBLE PRECISION;
 BEGIN
-	dist := 1.0 - ft_left::REAL / f_time::REAL;
+	dist := 1.0 - ft_left::DOUBLE PRECISION / f_time::DOUBLE PRECISION;
 	dir := ( CASE WHEN outwards THEN 0.5 ELSE -0.5 END );
 	IF past_rp THEN
 		rloc := rp_orbit;
@@ -157,13 +157,14 @@ $$ LANGUAGE plpgsql;
 --
 
 CREATE OR REPLACE FUNCTION fleets.compute_current_location(
-			f_time INT , s_x REAL , s_y REAL , d_x REAL , d_y REAL , r_time INT ,
+			f_time INT , s_x DOUBLE PRECISION , s_y DOUBLE PRECISION ,
-			OUT c_x REAL , OUT c_y REAL )
+			d_x DOUBLE PRECISION , d_y DOUBLE PRECISION , r_time INT ,
+			OUT c_x DOUBLE PRECISION , OUT c_y DOUBLE PRECISION )
 		STRICT IMMUTABLE
 		SECURITY INVOKER
 	AS $$
 DECLARE
-	tot_time	REAL;
+	tot_time	DOUBLE PRECISION;
 BEGIN
 	tot_time := fleets.compute_outerspace_duration( f_time , s_x , s_y , d_x , d_y );
 	c_x := s_x + ( d_x - s_x ) * ( 1 - r_time / tot_time );
@@ -251,7 +252,7 @@ $$ LANGUAGE plpgsql;
 --
 
 CREATE OR REPLACE FUNCTION fleets.compute_insystem_redirect(
-			f_time INT , s_sys INT , s_orbit REAL , d_id INT ,
+			f_time INT , s_sys INT , s_orbit DOUBLE PRECISION , d_id INT ,
 			OUT duration INT , OUT direction BOOLEAN , OUT s_duration INT ,
 			OUT ref_point INT , OUT past_rp BOOLEAN )
 		STRICT IMMUTABLE
@@ -260,7 +261,7 @@ CREATE OR REPLACE FUNCTION fleets.compute_insystem_redirect(
 DECLARE
 	s_rec	RECORD;
 	d_rec	RECORD;
-	torb	REAL;
+	torb	DOUBLE PRECISION;
 	rporb	INT;
 BEGIN
 	-- Get destination planet coordinates, orbit and system ID
@@ -294,9 +295,9 @@ BEGIN
 		ELSE
 			torb := floor( torb );
 		END IF;
-		s_duration := fleets.compute_insystem_duration( f_time , s_orbit , ( torb / 2 )::REAL );
+		s_duration := fleets.compute_insystem_duration( f_time , s_orbit , torb / 2 );
 		rporb := round( s_orbit );
-		past_rp := ( CASE WHEN direction THEN ( rporb::REAL <= s_orbit ) ELSE ( rporb::REAL >= s_orbit ) END );
+		past_rp := ( CASE WHEN direction THEN ( rporb <= s_orbit ) ELSE ( rporb >= s_orbit ) END );
 	END IF;
 	SELECT INTO ref_point name_id FROM verse.planets p
 		WHERE p.system_id = s_sys AND orbit = rporb;
@@ -322,7 +323,7 @@ $$ LANGUAGE plpgsql;
 --
 
 CREATE OR REPLACE FUNCTION fleets.compute_outerspace_redirect(
-			f_time INT , s_x REAL , s_y REAL , d_id INT ,
+			f_time INT , s_x DOUBLE PRECISION , s_y DOUBLE PRECISION , d_id INT ,
 			OUT duration INT , OUT s_duration INT )
 		STRICT IMMUTABLE
 		SECURITY INVOKER
@@ -365,8 +366,8 @@ DECLARE
 	dir		BOOLEAN;
 	rpid	INT;
 	prp		BOOLEAN;
-	cx		REAL;
+	cx		DOUBLE PRECISION;
-	cy		REAL;
+	cy		DOUBLE PRECISION;
 BEGIN
 	-- Lock fleets and planets
 	PERFORM * FROM fleets.fleets f
@@ -676,10 +677,10 @@ DECLARE
 	old_ft	INT;
 	new_ft	INT;
 	sp_ft	INT;
-	x		REAL;
+	x		DOUBLE PRECISION;
-	y		REAL;
+	y		DOUBLE PRECISION;
-	cx		REAL;
+	cx		DOUBLE PRECISION;
-	cy		REAL;
+	cy		DOUBLE PRECISION;
 	sid		INT;
 BEGIN
 	SELECT INTO main * FROM fleet_split_main;
@@ -705,7 +706,7 @@ BEGIN
 		IF new_ft <> old_ft THEN
 			IF ism_rec IS NULL THEN
 				-- Outer space movement
-				SELECT INTO x , y s.x::REAL , s.y::REAL
+				SELECT INTO x , y s.x , s.y
 					FROM verse.planets p
 						INNER JOIN verse.systems s ON s.id = p.system_id
 					WHERE p.name_id = main.location;
@@ -754,7 +755,7 @@ BEGIN
 				IF sp_ft <> old_ft THEN
 					IF ism_rec IS NULL THEN
 						-- Outer space movement
-						SELECT INTO x , y s.x::REAL , s.y::REAL
+						SELECT INTO x , y s.x , s.y
 							FROM verse.planets p
 								INNER JOIN verse.systems s ON s.id = p.system_id
 							WHERE p.name_id = main.location;
@@ -983,7 +984,7 @@ GRANT EXECUTE ON FUNCTION fleets.disband( INT , BIGINT[] ) TO :dbuser;
 --	tick	Current tick
 --
 
-CREATE OR REPLACE FUNCTION fleets.inflict_battle_damage( f_id BIGINT , dmg REAL , b_id BIGINT , tick BIGINT )
+CREATE OR REPLACE FUNCTION fleets.inflict_battle_damage( f_id BIGINT , dmg DOUBLE PRECISION , b_id BIGINT , tick BIGINT )
 		RETURNS VOID
 		STRICT VOLATILE
 		SECURITY INVOKER
@@ -995,7 +996,7 @@ DECLARE
 	bp_id	BIGINT;
 	bf_id	BIGINT;
 	rec		RECORD;
-	st_dmg	REAL;
+	st_dmg	DOUBLE PRECISION;
 	n_dest	INT;
 	found	INT;
 	deleted	INT;
@@ -1066,19 +1067,19 @@ $$ LANGUAGE plpgsql;
 --	d_ratio		Debt damage ratio
 --
 
-CREATE OR REPLACE FUNCTION fleets.handle_debt( e_id INT , t_upkeep REAL , debt REAL , d_ratio REAL )
+CREATE OR REPLACE FUNCTION fleets.handle_debt( e_id INT , t_upkeep DOUBLE PRECISION , debt DOUBLE PRECISION , d_ratio DOUBLE PRECISION )
 		RETURNS VOID
 		STRICT VOLATILE
 		SECURITY INVOKER
 	AS $$
 DECLARE
-	tot_damage	REAL;
+	tot_damage	DOUBLE PRECISION;
 	f_rec		RECORD;
 	s_rec		RECORD;
 	n_found		INT;
 	n_killed	INT;
 	s_killed	INT;
-	s_damage	REAL;
+	s_damage	DOUBLE PRECISION;
 	n_ships		INT;
 	tick		BIGINT;
 	bp_id		BIGINT;
@@ -1086,10 +1087,10 @@ DECLARE
 	mv_rec		fleets.movements%ROWTYPE;
 	ism_rec		fleets.ms_system%ROWTYPE;
 	osm_rec		fleets.ms_space%ROWTYPE;
-	x			REAL;
+	x			DOUBLE PRECISION;
-	y			REAL;
+	y			DOUBLE PRECISION;
-	cx			REAL;
+	cx			DOUBLE PRECISION;
-	cy			REAL;
+	cy			DOUBLE PRECISION;
 	sid			INT;
 BEGIN
 	tick := sys.get_tick( ) - 1;
@@ -1120,7 +1121,7 @@ BEGIN
 		n_killed := 0;
 		s_killed := 0;
 		FOR s_rec IN SELECT s.ship_id AS ship , s.amount AS amount , s.damage AS damage ,
-							( d.upkeep * s.amount )::REAL AS upkeep
+							d.upkeep * s.amount AS upkeep
 						FROM fleets.ships s
 							INNER JOIN tech.buildables d ON d.name_id = s.ship_id
 						WHERE s.fleet_id = f_rec.fleet
@@ -1174,7 +1175,7 @@ BEGIN
 
 			IF ism_rec IS NULL THEN
 				-- Outer space movement
-				SELECT INTO x , y s.x::REAL , s.y::REAL
+				SELECT INTO x , y s.x , s.y
 					FROM verse.planets p
 						INNER JOIN verse.systems s ON s.id = p.system_id
 					WHERE p.name_id = f_rec.location;
@@ -1386,7 +1387,7 @@ GRANT SELECT ON fleets.static_fleets TO :dbuser;
 CREATE VIEW fleets.outer_space_fleets
 	AS SELECT s.movement_id AS id , m.state_time_left AS time_left ,
 				s.start_x AS x0 , s.start_y AS y0 ,
-				ts.x::REAL AS x1 , ts.y::REAL AS y1
+				ts.x::DOUBLE PRECISION AS x1 , ts.y::DOUBLE PRECISION AS y1
 			FROM fleets.ms_space s
 				INNER JOIN fleets.movements m ON m.fleet_id = s.movement_id
 				INNER JOIN fleets.fleets f ON m.fleet_id = f.id
@@ -1422,14 +1423,14 @@ CREATE VIEW fleets.moving_fleets
 				f.location_id AS to_id , dn.name AS to_name ,
 				( CASE
 					WHEN osf.id IS NULL THEN isf.x
-					ELSE ( osf.x1 - osf.time_left::REAL * ( osf.x1 - osf.x0 )
+					ELSE ( osf.x1 - osf.time_left * ( osf.x1 - osf.x0 )
 						/ fleets.compute_outerspace_duration( fs.flight_time , osf.x0 , osf.y0 , osf.x1 , osf.y1 ) )
-				END )::REAL AS cx ,
+				END )::DOUBLE PRECISION AS cx ,
 				( CASE
 					WHEN osf.id IS NULL THEN isf.y
-					ELSE ( osf.y1 - osf.time_left::REAL * ( osf.y1 - osf.y0 )
+					ELSE ( osf.y1 - osf.time_left * ( osf.y1 - osf.y0 )
 						/ fleets.compute_outerspace_duration( fs.flight_time , osf.x0 , osf.y0 , osf.x1 , osf.y1 ) )
-				END )::REAL AS cy ,
+				END )::DOUBLE PRECISION AS cy ,
 				( CASE
 					WHEN osf.id IS NULL THEN isf.planet
 					ELSE NULL
@@ -1487,7 +1488,7 @@ GRANT SELECT ON fleets.ships_view TO :dbuser;
 CREATE VIEW fleets.short_static_fleets
 	AS SELECT sf.empire , sf.location AS location_id ,
 				fl.name AS location_name ,
-				fl.x::REAL AS x , fl.y::REAL AS y ,
+				fl.x::DOUBLE PRECISION AS x , fl.y::DOUBLE PRECISION AS y ,
 				sf.id , sf.name , sf.status , sf.penalty ,
 				fl.attacking , sf.power , sf.flight_time
 			FROM fleets.static_fleets sf

legacyworlds-server/legacyworlds-server-data/db-structure/parts/functions/167-planet-list.sql

@@ -15,7 +15,7 @@ CREATE VIEW emp.planets_list_basic
 	AS SELECT e.name_id AS empire ,
 				p.name_id AS id , n.name ,
 				s.x , s.y , p.orbit ,
-				p.population , ph.current / p.population::REAL AS happiness ,
+				p.population , ph.current / p.population AS happiness ,
 				floor( pm.income )::BIGINT AS income ,
 				floor( pm.upkeep )::BIGINT AS upkeep
 			FROM emp.empires e

legacyworlds-server/legacyworlds-server-data/db-structure/parts/functions/170-event-functions.sql

@@ -860,7 +860,7 @@ CREATE VIEW events.empire_events_view
 	AS SELECT e.event_id AS id , e.evt_type , e.evt_subtype , e.tick , e.real_time , s.name AS technology
 			FROM events.events e
 				LEFT OUTER JOIN events.empire_events ed USING (event_id)
-				LEFT OUTER JOIN tech.levels tl ON tl.id = ed.technology_id
+				LEFT OUTER JOIN tech.technologies tl ON tl.name_id = ed.technology_id
 				LEFT OUTER JOIN defs.strings s ON s.id = tl.name_id
 			WHERE e.evt_type = 'EMPIRE';
 

legacyworlds-server/legacyworlds-server-data/db-structure/parts/functions/200-bugs-functions.sql

@@ -1196,18 +1196,24 @@ GRANT SELECT ON bugs.dump_main_view TO :dbuser;
 
 
 CREATE VIEW bugs.dump_research_view
-	AS SELECT et.empire_id , et.line_id AS line_id , et.level AS level ,
+	AS SELECT r.empire_id , ns.name , r.accumulated , r.priority
-				tst.name AS name , et.accumulated AS accumulated
+		FROM emp.research r
-			FROM emp.technologies et
+			INNER JOIN defs.strings ns ON ns.id = r.technology_id;
-				LEFT OUTER JOIN tech.levels tlv ON tlv.line_id = et.line_id AND tlv.level = et.level
-				LEFT OUTER JOIN defs.strings tst ON tst.id = tlv.name_id;
 
 GRANT SELECT ON bugs.dump_research_view TO :dbuser;
 
 
+CREATE VIEW bugs.dump_technologies_view
+	AS SELECT et.empire_id , ns.name , et.implemented
+		FROM emp.researched_technologies et
+			INNER JOIN defs.strings ns ON ns.id = et.technology_id;
+
+GRANT SELECT ON bugs.dump_technologies_view TO :dbuser;
+
+
 CREATE VIEW bugs.dump_planets_view
 	AS SELECT ep.empire_id , ep.planet_id , p.population ,
-				( ph.current / p.population )::REAL AS current_happiness , ph.target AS target_happiness ,
+				ph.current / p.population AS current_happiness , ph.target AS target_happiness ,
 				cq.money AS civ_money , cq.work AS civ_work ,
 				mq.money AS mil_money , mq.work AS mil_work
 			FROM emp.planets ep

legacyworlds-server/legacyworlds-server-data/db-structure/parts/updates/000-updates-ctrl.sql

@@ -52,7 +52,7 @@ GRANT EXECUTE ON FUNCTION sys.start_tick( ) TO :dbuser;
 CREATE OR REPLACE FUNCTION sys.end_tick( IN tick_id BIGINT )
 		RETURNS VOID
 		STRICT VOLATILE
-		SECURITY INVOKER
+		SECURITY DEFINER
 	AS $$
 BEGIN
 	UPDATE events.events SET status = 'READY'
@@ -62,6 +62,8 @@ BEGIN
 END;
 $$ LANGUAGE plpgsql;
 
+GRANT EXECUTE ON FUNCTION sys.end_tick( BIGINT ) TO :dbuser;
+
 
 
 --
@@ -103,70 +105,78 @@ GRANT EXECUTE ON FUNCTION sys.check_stuck_tick( ) TO :dbuser;
 
 
 --
--- Process game updates
+-- Prepare game updates
 --
 -- Parameters:
---	c_tick	Current tick
+--  u_id		Current update identifier
+--	u_type		Type of game updates to prepare
 --
 -- Returns:
---	TRUE if the function must be called again, FALSE otherwise
+--	has_more	TRUE if there are more updates, FALSE otherwise
 --
 
-CREATE OR REPLACE FUNCTION sys.process_updates( IN c_tick BIGINT , OUT has_more BOOLEAN )
+CREATE OR REPLACE FUNCTION sys.prepare_updates( IN u_id BIGINT , IN u_type update_type , OUT has_more BOOLEAN )
 		STRICT VOLATILE
 		SECURITY DEFINER
 	AS $$
-DECLARE
-	b_size	INT;
-	p_utype	update_type;
-	utype	update_type;
-	uid		BIGINT;
 BEGIN
-	b_size := sys.get_constant( 'game.batchSize' );
+	UPDATE sys.updates SET status = 'PROCESSING'
-	p_utype := NULL;
+		WHERE id IN (
+			SELECT id FROM sys.updates
+				WHERE gu_type = u_type
+					AND last_tick = u_id
+					AND status = 'FUTURE'
+				ORDER BY id
+				LIMIT sys.get_constant( 'game.batchSize' )::BIGINT
+			);
 
-	-- Mark at most b_size entries as being updated
+	has_more := FOUND;
-	FOR uid , utype IN SELECT id , gu_type FROM sys.updates
-						WHERE last_tick = c_tick AND status = 'FUTURE'
-						ORDER BY gu_type LIMIT b_size
-	LOOP
-		IF p_utype IS NULL THEN
-			p_utype := utype;
-		END IF;
-		EXIT WHEN utype <> p_utype;
-		UPDATE sys.updates SET status = 'PROCESSING' WHERE id = uid;
-	END LOOP;
-
-	has_more := p_utype IS NOT NULL;
-	IF has_more THEN
-		-- Execute actual updates
-		EXECUTE 'SELECT sys.process_' || lower( p_utype::TEXT ) || '_updates( $1 )'
-			USING c_tick;
-		UPDATE sys.updates SET status = 'PROCESSED'
-			WHERE status = 'PROCESSING' AND last_tick = c_tick;
-	ELSE
-		-- If nothing was found, we're done
-		PERFORM sys.end_tick( c_tick );
-	END IF;
 END;
 $$ LANGUAGE plpgsql;
 
-GRANT EXECUTE ON FUNCTION sys.process_updates( BIGINT ) TO :dbuser;
+GRANT EXECUTE ON FUNCTION sys.prepare_updates( BIGINT , update_type ) TO :dbuser;
-
-
-
-
-
-
-
-
-
-
-
 
 
 
+--
+-- Execute procedural game updates
+--
+-- Parameters:
+--	c_tick	Current tick identifier
+--	u_type	Type of updates to execute
+--
+
+CREATE OR REPLACE FUNCTION sys.exec_update_proc( IN c_tick BIGINT , IN u_type update_type )
+		RETURNS VOID
+		STRICT VOLATILE
+		SECURITY DEFINER
+	AS $$
+BEGIN
+	EXECUTE 'SELECT sys.process_' || lower( u_type::TEXT ) || '_updates( $1 )'
+			USING c_tick;
+END; 
+$$ LANGUAGE plpgsql;
+
+GRANT EXECUTE ON FUNCTION sys.exec_update_proc( BIGINT , update_type ) TO :dbuser;
 
 
+--
+-- Mark updates as processed
+--
+-- Parameters:
+--	c_tick	Current tick identifier
+--	u_type	Type of updates to execute
+--
 
+CREATE OR REPLACE FUNCTION sys.updates_processed( IN c_tick BIGINT , IN u_type update_type )
+	RETURNS VOID
+	STRICT VOLATILE
+	SECURITY DEFINER
+AS $$
+		UPDATE sys.updates SET status = 'PROCESSED'
+			WHERE status = 'PROCESSING'
+				AND last_tick = $1
+				AND gu_type = $2
+$$ LANGUAGE SQL;
 
+GRANT EXECUTE ON FUNCTION sys.updates_processed( BIGINT , update_type ) TO :dbuser;

legacyworlds-server/legacyworlds-server-data/db-structure/parts/updates/010-empire-money.sql

@@ -14,8 +14,8 @@ CREATE OR REPLACE FUNCTION sys.process_empire_money_updates( c_tick BIGINT )
 	AS $$
 DECLARE
 	rec		RECORD;
-	c_cash	REAL;
+	c_cash	DOUBLE PRECISION;
-	c_debt	REAL;
+	c_debt	DOUBLE PRECISION;
 BEGIN
 	-- Lock empires for update
 	PERFORM e.name_id FROM sys.updates su

legacyworlds-server/legacyworlds-server-data/db-structure/parts/updates/020-empire-research.sql

@@ -7,15 +7,22 @@
 -- --------------------------------------------------------
 
 
-CREATE OR REPLACE FUNCTION sys.process_empire_research_updates( c_tick BIGINT )
+
+--
+-- Prepare the research update
+--
+-- Parameters:
+--	update_id	The current update's identifier
+--
+-- Returns:
+--	a set of tech._research_update_input records
+--
+
+CREATE OR REPLACE FUNCTION emp.prepare_research_update( update_id BIGINT )
 		RETURNS VOID
 		STRICT VOLATILE
-		SECURITY INVOKER
+		SECURITY DEFINER
 	AS $$
-DECLARE
-	rec			RECORD;
-	r_points	REAL;
-	tu_rec		RECORD;
 BEGIN
 	-- Lock empires for update and planets for share
 	PERFORM e.name_id FROM sys.updates su
@@ -23,64 +30,137 @@ BEGIN
 			INNER JOIN emp.empires e ON eu.empire_id = e.name_id
 			INNER JOIN emp.planets ep ON ep.empire_id = e.name_id
 			INNER JOIN verse.planets p ON p.name_id = ep.planet_id
-		WHERE su.last_tick = c_tick AND su.status = 'PROCESSING'
+		WHERE su.last_tick = update_id AND su.status = 'PROCESSING'
 			AND su.gu_type = 'EMPIRE_RESEARCH'
 		FOR UPDATE OF e
 		FOR SHARE OF ep , p;
 
-	-- Process empires
+	-- Create temporary table for update output and grant INSERT privilege
-	FOR rec IN SELECT e.name_id AS id , ( v.status = 'PROCESSED' ) AS on_vacation ,
+	-- to session user.
-						sum( p.population ) AS population
+	CREATE TEMPORARY TABLE research_update_output(
-					FROM sys.updates su
+		empire_id		INT ,
-						INNER JOIN emp.updates eu ON eu.update_id = su.id
+		technology		TEXT ,
-						INNER JOIN emp.empires e ON eu.empire_id = e.name_id
+		creation		BOOLEAN ,
-						INNER JOIN emp.planets ep ON ep.empire_id = e.name_id
+		points			DOUBLE PRECISION ,
-						INNER JOIN verse.planets p ON p.name_id = ep.planet_id
+		priority		INT
-						INNER JOIN naming.empire_names en ON en.id = e.name_id
+	);
-						LEFT OUTER JOIN users.vacations v ON v.account_id = en.owner_id
+	IF session_user <> current_user THEN
-					WHERE su.last_tick = c_tick AND su.status = 'PROCESSING'
+		EXECUTE 'GRANT INSERT ON research_update_output TO ' || session_user;
-						AND su.gu_type = 'EMPIRE_RESEARCH'
+	END IF;
-					GROUP BY e.name_id , v.status
-	LOOP
-		-- Insert any missing tech line
-		INSERT INTO emp.technologies ( empire_id , line_id )
-			SELECT rec.id , l.name_id
-				FROM tech.lines l
-					LEFT OUTER JOIN emp.technologies t
-						ON t.line_id = l.name_id AND t.empire_id = rec.id
-				WHERE t.empire_id IS NULL;
-
-		-- Compute research output
-		r_points := rec.population * sys.get_constant( 'game.work.rpPerPopUnit' ) / 1440.0;
-		IF rec.on_vacation
-		THEN
-			r_points := r_points / sys.get_constant( 'vacation.researchDivider' );
-		END IF;
-
-		-- Update technologies where:
-		-- 1) the level actually exists and
-		-- 2) accumulated points haven't reach the level's
-		FOR tu_rec IN SELECT t.line_id AS line_id , t.accumulated AS accumulated ,
-							l.points AS points , ( l.points - t.accumulated ) AS diff ,
-							l.id AS level_id
-						FROM emp.technologies t
-							INNER JOIN tech.levels l ON l.line_id = t.line_id
-								AND l.level = t.level AND t.accumulated < l.points
-						WHERE t.empire_id = rec.id
-						FOR UPDATE OF t
-		LOOP
-			UPDATE emp.technologies t SET accumulated = ( CASE
-						WHEN tu_rec.diff <= r_points THEN tu_rec.points
-						ELSE tu_rec.accumulated + r_points
-					END )
-				WHERE t.line_id = tu_rec.line_id AND t.empire_id = rec.id;
-
-			-- Send message
-			IF tu_rec.diff <= r_points
-			THEN
-				PERFORM events.tech_ready_event( rec.id , tu_rec.level_id );
-			END IF;
-		END LOOP;
-	END LOOP;
 END;
-$$ LANGUAGE plpgsql;
+$$ LANGUAGE plpgsql;
+
+GRANT EXECUTE ON FUNCTION emp.prepare_research_update( update_id BIGINT ) TO :dbuser;
+
+
+--
+-- Research update input views
+--
+
+CREATE VIEW emp.rui_inprogress_view
+	AS SELECT su.last_tick AS update_id , er.empire_id , ns.name AS technology ,
+			er.accumulated AS points , er.priority AS priority
+		FROM sys.updates su
+			INNER JOIN emp.updates eu ON eu.update_id = su.id
+			INNER JOIN emp.research er ON er.empire_id = eu.empire_id
+			INNER JOIN defs.strings ns ON ns.id = er.technology_id
+		WHERE su.status = 'PROCESSING'
+			AND su.gu_type = 'EMPIRE_RESEARCH';
+
+
+CREATE VIEW emp.rui_researched_view
+	AS SELECT su.last_tick AS update_id , er.empire_id , ns.name AS technology ,
+			er.implemented AS implemented
+		FROM sys.updates su
+			INNER JOIN emp.updates eu ON eu.update_id = su.id
+			INNER JOIN emp.researched_technologies er
+				ON er.empire_id = eu.empire_id
+			INNER JOIN defs.strings ns ON ns.id = er.technology_id
+		WHERE su.status = 'PROCESSING'
+			AND su.gu_type = 'EMPIRE_RESEARCH';
+
+CREATE VIEW emp.research_update_input_view
+	AS SELECT update_id , empire_id , technology ,
+				NULL::BOOLEAN AS implemented , points , priority
+			FROM emp.rui_inprogress_view
+		UNION ALL SELECT update_id , empire_id , technology ,
+				implemented , NULL::DOUBLE PRECISION AS points ,
+				NULL::INT AS priority
+			FROM emp.rui_researched_view;
+
+GRANT SELECT ON emp.research_update_input_view TO :dbuser;
+
+
+--
+-- Research points production view
+--
+
+CREATE VIEW emp.research_points_production
+	AS SELECT su.last_tick AS update_id , e.name_id AS empire_id ,
+			( sum( p.population ) * sys.get_constant( 'game.research.perPopUnit' )
+				/ ( sys.get_constant( 'game.updatesPerDay' ) * ( CASE
+							WHEN v.status = 'PROCESSED' THEN
+								sys.get_constant( 'game.research.perPopUnit' )
+							ELSE
+								1.0
+					END ) ) ) AS points
+		FROM sys.updates su
+			INNER JOIN emp.updates eu ON eu.update_id = su.id
+			INNER JOIN emp.empires e ON eu.empire_id = e.name_id
+			INNER JOIN emp.planets ep ON ep.empire_id = e.name_id
+			INNER JOIN verse.planets p ON p.name_id = ep.planet_id
+			INNER JOIN naming.empire_names en ON en.id = e.name_id
+			LEFT OUTER JOIN users.vacations v ON v.account_id = en.owner_id
+		WHERE su.status = 'PROCESSING' AND su.gu_type = 'EMPIRE_RESEARCH'
+		GROUP BY su.last_tick , e.name_id , v.status;
+
+GRANT SELECT ON emp.research_points_production TO :dbuser;
+
+
+
+--
+-- Submit the contents of the research update table
+--
+
+CREATE OR REPLACE FUNCTION emp.submit_research_update( )
+		RETURNS VOID
+		STRICT VOLATILE
+		SECURITY DEFINER
+	AS $$
+BEGIN
+	-- Delete finished research topics
+	DELETE FROM emp.research er
+		USING research_update_output ruo , defs.strings ns
+		WHERE er.empire_id = ruo.empire_id
+			AND er.technology_id = ns.id AND ns.name = ruo.technology
+			AND ruo.points IS NULL;
+
+	-- Insert researched technologies
+	INSERT INTO emp.researched_technologies ( empire_id , technology_id , implemented )
+		SELECT ruo.empire_id , ns.id , FALSE
+			FROM research_update_output ruo
+				INNER JOIN defs.strings ns ON ns.name = ruo.technology
+			WHERE ruo.points IS NULL;
+
+	-- Insert new research topics
+	INSERT INTO emp.research ( empire_id , technology_id , accumulated , priority )
+		SELECT ruo.empire_id , ns.id , ruo.points , ruo.priority
+			FROM research_update_output ruo
+				INNER JOIN defs.strings ns ON ns.name = ruo.technology
+			WHERE ruo.points IS NOT NULL AND ruo.creation;
+
+	-- Update existing research topics
+	UPDATE emp.research er
+		SET accumulated = ruo.points , priority = ruo.priority
+		FROM research_update_output ruo , defs.strings ns
+		WHERE ruo.points IS NOT NULL AND NOT ruo.creation
+			AND ns.name = ruo.technology
+			AND er.technology_id = ns.id
+			AND er.empire_id = ruo.empire_id;
+
+	-- Drop temporary table
+	DROP TABLE research_update_output;
+END;
+$$ LANGUAGE plpgsql;
+
+GRANT EXECUTE ON FUNCTION emp.submit_research_update( ) TO :dbuser;

legacyworlds-server/legacyworlds-server-data/db-structure/parts/updates/025-empire-debt.sql

@@ -15,11 +15,11 @@ CREATE OR REPLACE FUNCTION sys.process_empire_debt_updates( c_tick BIGINT )
 		SECURITY INVOKER
 	AS $$
 DECLARE
-	fleet_dr	REAL;
+	fleet_dr	DOUBLE PRECISION;
-	bld_dr		REAL;
+	bld_dr		DOUBLE PRECISION;
 	empire		INT;
-	debt		REAL;
+	debt		DOUBLE PRECISION;
-	upkeep		REAL;
+	upkeep		DOUBLE PRECISION;
 BEGIN
 	fleet_dr := sys.get_constant( 'game.debt.fleet');
 	bld_dr := sys.get_constant( 'game.debt.buildings');

legacyworlds-server/legacyworlds-server-data/db-structure/parts/updates/060-planet-battle.sql

@@ -42,17 +42,17 @@ CREATE OR REPLACE FUNCTION sys.process_planet_battle_main_updates( c_tick BIGINT
 	AS $$
 DECLARE
 	ttfi		INT;
-	initi		REAL;
+	initi		DOUBLE PRECISION;
-	dbonus		REAL;
+	dbonus		DOUBLE PRECISION;
-	dmg			REAL;
+	dmg			DOUBLE PRECISION;
-	rdmg		REAL;
+	rdmg		DOUBLE PRECISION;
 	rec			RECORD;
 	a_power		BIGINT;
 	d_power		BIGINT;
 	p_power		BIGINT;
-	bmod		REAL;
+	bmod		DOUBLE PRECISION;
-	a_dmg		REAL;
+	a_dmg		DOUBLE PRECISION;
-	d_dmg		REAL;
+	d_dmg		DOUBLE PRECISION;
 BEGIN
 	ttfi := floor( sys.get_constant( 'game.battle.timeToFullIntensity' ) )::INT;
 	initi := sys.get_constant( 'game.battle.initialIntensity' );
@@ -61,7 +61,7 @@ BEGIN
 	rdmg := sys.get_constant( 'game.battle.randomDamage' );
 
 	FOR rec IN SELECT b.id AS battle , b.first_tick AS first_tick ,
-					b.location_id AS location , ( ph.current / p.population )::REAL AS happiness
+					b.location_id AS location , ph.current / p.population AS happiness
 				FROM sys.updates su
 					INNER JOIN verse.updates vu ON vu.update_id = su.id
 					INNER JOIN verse.planets p ON vu.planet_id = p.name_id

legacyworlds-server/legacyworlds-server-data/db-structure/parts/updates/080-planet-construction.sql

@@ -14,20 +14,20 @@ CREATE OR REPLACE FUNCTION sys.process_planet_construction_updates( c_tick BIGIN
 	AS $$
 DECLARE
 	rec			RECORD;
-	wu_per_pop	REAL;
+	wu_per_pop	DOUBLE PRECISION;
-	dest_work	REAL;
+	dest_work	DOUBLE PRECISION;
-	dest_rec	REAL;
+	dest_rec	DOUBLE PRECISION;
 	cur_empire	INT;
-	cur_cash	REAL;
+	cur_cash	DOUBLE PRECISION;
 	cur_planet	INT;
 	p_finished	BOOLEAN;
-	cur_wus		REAL;
+	cur_wus		DOUBLE PRECISION;
-	cur_acc_c	REAL;
+	cur_acc_c	DOUBLE PRECISION;
 	n_found		INT;
 	n_removed	INT;
-	i_work		REAL;
+	i_work		DOUBLE PRECISION;
-	i_cost		REAL;
+	i_cost		DOUBLE PRECISION;
-	can_do		REAL;
+	can_do		DOUBLE PRECISION;
 	must_do		INT;
 BEGIN
 	-- Get constants
@@ -39,7 +39,7 @@ BEGIN
 	cur_empire := NULL;
 	cur_planet := NULL;
 	FOR rec IN SELECT p.name_id AS id , p.population AS pop ,
-					( ph.current / p.population )::REAL AS happiness ,
+					ph.current / p.population AS happiness ,
 					e.name_id AS owner , e.cash AS cash ,
 					q.money AS acc_cash , q.work AS acc_work ,
 					qi.queue_order AS qorder , qi.amount AS amount ,
@@ -100,10 +100,7 @@ BEGIN
 		IF cur_planet IS NULL THEN
 			cur_planet := rec.id;
 			cur_cash := cur_cash + rec.acc_cash;
-			cur_wus := rec.acc_work + verse.adjust_production(
+			cur_wus := rec.acc_work + verse.adjust_production( rec.pop * wu_per_pop , rec.happiness );
-				( rec.pop * wu_per_pop )::REAL ,
-				rec.happiness
-			);
 			n_found := 1;
 			n_removed := 0;
 			cur_acc_c := 0;

legacyworlds-server/legacyworlds-server-data/db-structure/parts/updates/090-planet-military.sql

@@ -15,14 +15,14 @@ CREATE OR REPLACE FUNCTION sys.process_planet_military_updates( c_tick BIGINT )
 DECLARE
 	rec			RECORD;
 	cur_empire	INT;
-	cur_cash	REAL;
+	cur_cash	DOUBLE PRECISION;
 	cur_planet	INT;
 	p_finished	BOOLEAN;
-	cur_wus		REAL;
+	cur_wus		DOUBLE PRECISION;
-	cur_acc_c	REAL;
+	cur_acc_c	DOUBLE PRECISION;
 	n_found		INT;
 	n_removed	INT;
-	can_do		REAL;
+	can_do		DOUBLE PRECISION;
 	must_do		INT;
 	fl_id		BIGINT;
 BEGIN
@@ -38,7 +38,7 @@ BEGIN
 	cur_empire := NULL;
 	cur_planet := NULL;
 	FOR rec IN SELECT p.name_id AS id ,
-					( ph.current / p.population )::REAL AS happiness ,
+					ph.current / p.population AS happiness ,
 					e.name_id AS owner , e.cash AS cash ,
 					q.money AS acc_cash , q.work AS acc_work ,
 					qi.queue_order AS qorder , qi.amount AS amount ,

legacyworlds-server/legacyworlds-server-data/db-structure/parts/updates/100-planet-population.sql

@@ -14,16 +14,16 @@ CREATE OR REPLACE FUNCTION sys.process_planet_population_updates( c_tick BIGINT
 	AS $$
 DECLARE
 	rec		RECORD;
-	rel_ch	REAL;
+	rel_ch	DOUBLE PRECISION;
-	abs_ch	REAL;
+	abs_ch	DOUBLE PRECISION;
-	g_fact	REAL;
+	g_fact	DOUBLE PRECISION;
-	gf_inc	REAL;
+	gf_inc	DOUBLE PRECISION;
-	n_happ	REAL;
+	n_happ	DOUBLE PRECISION;
-	t_happ	REAL;
+	t_happ	DOUBLE PRECISION;
-	temp	REAL;
+	temp	DOUBLE PRECISION;
-	growth	REAL;
+	growth	DOUBLE PRECISION;
-	workers	REAL;
+	workers	DOUBLE PRECISION;
-	str_thr	REAL;
+	str_thr	DOUBLE PRECISION;
 BEGIN
 	-- Get constants
 	rel_ch := sys.get_constant( 'game.happiness.relativeChange' );
@@ -35,7 +35,7 @@ BEGIN
 	-- Process planets
 	FOR rec IN SELECT p.name_id AS id , p.population AS pop ,
 					ph.target AS target , ph.current AS happy_pop ,
-					( ph.current / p.population )::REAL AS current
+					ph.current / p.population AS current
 				FROM sys.updates su
 					INNER JOIN verse.updates vu ON vu.update_id = su.id
 					INNER JOIN verse.planets p ON vu.planet_id = p.name_id

legacyworlds-server/legacyworlds-server-data/db-structure/parts/updates/110-planet-money.sql

@@ -14,10 +14,10 @@ CREATE OR REPLACE FUNCTION sys.process_planet_money_updates( c_tick BIGINT )
 	AS $$
 DECLARE
 	rec		RECORD;
-	incme	REAL;
+	incme	DOUBLE PRECISION;
 BEGIN
 	FOR rec IN SELECT p.name_id AS id , p.population AS pop ,
-					( ph.current / p.population )::REAL AS happiness ,
+					ph.current / p.population AS happiness ,
 					( ea.planet_id IS NULL ) AS produces_income
 				FROM sys.updates su
 					INNER JOIN verse.updates vu ON vu.update_id = su.id

legacyworlds-server/legacyworlds-server-data/pom.xml

@@ -4,13 +4,13 @@
 	<parent>
 		<artifactId>legacyworlds-server</artifactId>
 		<groupId>com.deepclone.lw</groupId>
-		<version>5.99.1</version>
+		<version>5.99.2</version>
 	</parent>
 
 	<groupId>com.deepclone.lw</groupId>
 	<artifactId>legacyworlds-server-data</artifactId>
 	<name>Legacy Worlds server data</name>
-	<version>5.99.1</version>
+	<version>5.99.2</version>
 	<description>This package contains all data access classes for the Legacy Worlds server.</description>
 
 	<dependencies>

legacyworlds-server/legacyworlds-server-data/src/main/java/com/deepclone/lw/sqld/game/EmpireTechLine.java

@@ -1,66 +0,0 @@
-package com.deepclone.lw.sqld.game;
-
-
-import java.util.LinkedList;
-import java.util.List;
-
-
-
-public class EmpireTechLine
-{
-	private int id;
-
-	private String name;
-
-	private String description;
-
-	private List< EmpireTechnology > technologies = new LinkedList< EmpireTechnology >( );
-
-
-	public int getId( )
-	{
-		return id;
-	}
-
-
-	public void setId( int id )
-	{
-		this.id = id;
-	}
-
-
-	public String getName( )
-	{
-		return name;
-	}
-
-
-	public void setName( String name )
-	{
-		this.name = name;
-	}
-
-
-	public String getDescription( )
-	{
-		return description;
-	}
-
-
-	public void setDescription( String description )
-	{
-		this.description = description;
-	}
-
-
-	public List< EmpireTechnology > getTechnologies( )
-	{
-		return technologies;
-	}
-
-
-	public void addTechnology( EmpireTechnology eTech )
-	{
-		this.technologies.add( eTech );
-	}
-}