Block, item and block item tints handling

src/java/mmm/materials/MLeaves.java

@@ -5,6 +5,8 @@ import java.util.Arrays;
 import java.util.List;
 import java.util.Random;
 
+import mmm.utils.I_UTintedBlock;
+import mmm.utils.I_UTintedItem;
 import mmm.utils.URegistry;
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockLeaves;
@@ -12,6 +14,8 @@ import net.minecraft.block.BlockPlanks;
 import net.minecraft.block.properties.IProperty;
 import net.minecraft.block.state.BlockStateContainer;
 import net.minecraft.block.state.IBlockState;
+import net.minecraft.client.renderer.color.IBlockColor;
+import net.minecraft.client.renderer.color.IItemColor;
 import net.minecraft.entity.EntityLivingBase;
 import net.minecraft.init.Blocks;
 import net.minecraft.item.Item;
@@ -19,8 +23,10 @@ import net.minecraft.item.ItemStack;
 import net.minecraft.util.BlockRenderLayer;
 import net.minecraft.util.EnumFacing;
 import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.ColorizerFoliage;
 import net.minecraft.world.IBlockAccess;
 import net.minecraft.world.World;
+import net.minecraft.world.biome.BiomeColorHelper;
 import net.minecraftforge.fml.relauncher.Side;
 import net.minecraftforge.fml.relauncher.SideOnly;
 
@@ -28,6 +34,7 @@ import net.minecraftforge.fml.relauncher.SideOnly;
 
 public class MLeaves
 		extends BlockLeaves
+		implements I_UTintedBlock , I_UTintedItem
 {
 
 	private final MWood wood;
@@ -153,4 +160,42 @@ public class MLeaves
 		return Blocks.LEAVES.shouldSideBeRendered( state , world , pos , side );
 	}
 
+
+	@Override
+	@SideOnly( Side.CLIENT )
+	public IBlockColor getBlockTint( )
+	{
+		return new IBlockColor( ) {
+
+			@Override
+			public int colorMultiplier( final IBlockState state , final IBlockAccess worldIn , final BlockPos pos ,
+					final int tintIndex )
+			{
+				final boolean inWorld = worldIn != null && pos != null;
+				final int baseTint = inWorld
+						? BiomeColorHelper.getFoliageColorAtPos( worldIn , pos )
+						: ColorizerFoliage.getFoliageColorBasic( );
+				return baseTint;
+			}
+		};
+	}
+
+
+	@Override
+	@SideOnly( Side.CLIENT )
+	public IItemColor getItemTint( )
+	{
+		final IBlockColor bTint = this.getBlockTint( );
+		final IBlockState ds = this.getDefaultState( );
+		return new IItemColor( ) {
+
+			@Override
+			public int getColorFromItemstack( final ItemStack stack , final int tintIndex )
+			{
+				return bTint.colorMultiplier( ds , null , null , tintIndex );
+			}
+
+		};
+	}
+
 }

src/java/mmm/proxy/PClient.java

@@ -2,6 +2,7 @@ package mmm.proxy;
 
 
 import mmm.utils.URegistry;
+import net.minecraftforge.fml.common.event.FMLInitializationEvent;
 import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;
 
 
@@ -14,7 +15,15 @@ public class PClient
 	public void preInit( final FMLPreInitializationEvent event )
 	{
 		super.preInit( event );
-		URegistry.setupItemModels( );
+		URegistry.preInitClient( );
+	}
+
+
+	@Override
+	public void init( FMLInitializationEvent event )
+	{
+		super.init( event );
+		URegistry.initClient( );
 	}
 
 }

src/java/mmm/utils/I_UTintedBlock.java

@@ -0,0 +1,17 @@
+package mmm.utils;
+
+
+import net.minecraft.client.renderer.color.IBlockColor;
+import net.minecraftforge.fml.relauncher.Side;
+import net.minecraftforge.fml.relauncher.SideOnly;
+
+
+
+/** For blocks that need to register a tint */
+public interface I_UTintedBlock
+{
+
+	@SideOnly( Side.CLIENT )
+	public IBlockColor getBlockTint( );
+
+}

src/java/mmm/utils/I_UTintedItem.java

@@ -0,0 +1,20 @@
+package mmm.utils;
+
+
+import net.minecraft.client.renderer.color.IItemColor;
+import net.minecraftforge.fml.relauncher.Side;
+import net.minecraftforge.fml.relauncher.SideOnly;
+
+
+
+/**
+ * For items that need to register a tint, or blocks with automatically registered items that need
+ * to be tinted.
+ */
+public interface I_UTintedItem
+{
+
+	@SideOnly( Side.CLIENT )
+	public IItemColor getItemTint( );
+
+}

src/java/mmm/utils/URegistry.java

@@ -1,6 +1,7 @@
 package mmm.utils;
 
 
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
@@ -9,7 +10,10 @@ import java.util.Map;
 
 import mmm.Mmm;
 import net.minecraft.block.Block;
+import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.block.model.ModelResourceLocation;
+import net.minecraft.client.renderer.color.BlockColors;
+import net.minecraft.client.renderer.color.ItemColors;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemBlock;
 import net.minecraft.item.ItemCloth;
@@ -19,6 +23,8 @@ import net.minecraftforge.client.model.ModelLoader;
 import net.minecraftforge.fml.common.IFuelHandler;
 import net.minecraftforge.fml.common.registry.GameRegistry;
 import net.minecraftforge.fml.common.registry.IForgeRegistryEntry;
+import net.minecraftforge.fml.relauncher.Side;
+import net.minecraftforge.fml.relauncher.SideOnly;
 import scala.actors.threadpool.Arrays;
 
 
@@ -51,6 +57,10 @@ public class URegistry
 	private static final HashMap< Item , Boolean > ITEMS = new HashMap< Item , Boolean >( );
 	private static final HashSet< Block > BLOCKS = new HashSet< Block >( );
 
+	private static final ArrayList< Block > TINTED_BLOCKS = new ArrayList<>( );
+	private static final ArrayList< Block > TINTED_BLOCK_ITEMS = new ArrayList<>( );
+	private static final ArrayList< Item > TINTED_ITEMS = new ArrayList<>( );
+
 	private static final HashMap< Item , Object > FUELS = new HashMap<>( );
 	private static final FuelHandler FUEL_HANDLER = new FuelHandler( );
 
@@ -98,10 +108,14 @@ public class URegistry
 
 	public static void addItem( final Item item , final boolean registerModel )
 	{
+		if ( URegistry.ITEMS.put( item , registerModel ) == null ) {
 			GameRegistry.register( item );
-		URegistry.ITEMS.put( item , registerModel );
+			if ( item instanceof I_UTintedItem ) {
+				URegistry.TINTED_ITEMS.add( item );
+			}
 			URegistry.addRecipeRegistrar( item );
 		}
+	}
 
 
 	public static void addBlock( final Block block )
@@ -131,8 +145,15 @@ public class URegistry
 
 	public static void addBlock( final Block block , final Item blockItem , final boolean registerItemModel )
 	{
+		if ( URegistry.BLOCKS.add( block ) ) {
 			GameRegistry.register( block );
-		URegistry.BLOCKS.add( block );
+			if ( block instanceof I_UTintedBlock ) {
+				URegistry.TINTED_BLOCKS.add( block );
+			}
+			if ( block instanceof I_UTintedItem ) {
+				URegistry.TINTED_BLOCK_ITEMS.add( block );
+			}
+
 			URegistry.addRecipeRegistrar( block );
 			URegistry.addOreGenerationRegistrar( block );
 
@@ -140,6 +161,7 @@ public class URegistry
 				URegistry.addItem( blockItem , registerItemModel );
 			}
 		}
+	}
 
 
 	public static void setFuel( final Item item , final int value )
@@ -202,8 +224,10 @@ public class URegistry
 	}
 
 
-	public static void setupItemModels( )
+	@SideOnly( Side.CLIENT )
+	public static void preInitClient( )
 	{
+		// Register item models
 		for ( final Map.Entry< Item , Boolean > entry : URegistry.ITEMS.entrySet( ) ) {
 			if ( !entry.getValue( ) ) {
 				continue;
@@ -218,4 +242,27 @@ public class URegistry
 			ModelLoader.setCustomModelResourceLocation( item , 0 , location );
 		}
 	}
+
+
+	@SideOnly( Side.CLIENT )
+	public static void initClient( )
+	{
+		final BlockColors blockColors = Minecraft.getMinecraft( ).getBlockColors( );
+		final ItemColors itemColors = Minecraft.getMinecraft( ).getItemColors( );
+
+		// Register tinted blocks
+		for ( final Block tintedBlock : URegistry.TINTED_BLOCKS ) {
+			blockColors.registerBlockColorHandler( ( (I_UTintedBlock) tintedBlock ).getBlockTint( ) , tintedBlock );
+		}
+
+		// Register tinted block items
+		for ( final Block tintedBlock : URegistry.TINTED_BLOCK_ITEMS ) {
+			itemColors.registerItemColorHandler( ( (I_UTintedItem) tintedBlock ).getItemTint( ) , tintedBlock );
+		}
+
+		// Register tinted items
+		for ( final Item tintedItem : URegistry.TINTED_ITEMS ) {
+			itemColors.registerItemColorHandler( ( (I_UTintedItem) tintedItem ).getItemTint( ) , tintedItem );
+		}
+	}
 }