59 lines
1.5 KiB
MySQL
59 lines
1.5 KiB
MySQL
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-- LegacyWorlds Beta 6
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-- PostgreSQL database scripts
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--
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-- Map display functions and related types
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--
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-- Copyright(C) 2004-2010, DeepClone Development
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-- --------------------------------------------------------
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-- Map entry
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CREATE TYPE map_entry_type AS (
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x INT ,
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y INT ,
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orbit INT ,
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id INT ,
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picture INT ,
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name TEXT ,
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tag TEXT ,
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display empire_relation_type
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);
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--
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-- Generates the map from an empire's point of view
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--
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-- Parameters:
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-- e_id the empire viewing the map
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-- min_x minimal X coordinate
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-- min_y minimal Y coordinate
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-- max_x maximal X coordinate
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-- max_y maximal Y coordinate
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--
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-- Returns:
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-- a set of map entries
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--
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CREATE OR REPLACE FUNCTION verse.get_map( e_id INT , min_x INT , min_y INT , max_x INT , max_y INT )
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RETURNS SETOF map_entry_type
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STRICT STABLE
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SECURITY DEFINER
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AS $$
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SELECT mv.x AS x , mv.y AS y , mv.orbit AS orbit , mv.id AS id , mv.picture AS picture ,
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mv.name AS name , mv.tag AS tag ,
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(CASE
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WHEN mv.owner = $1 THEN 'OWN'
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WHEN mv.alliance_id IS NOT NULL AND mv.alliance_id = ea.alliance_id THEN 'ALLIED'
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WHEN en.alliance_id IS NOT NULL THEN 'ENEMY'
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ELSE NULL
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END )::empire_relation_type AS display
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FROM verse.map_view mv
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LEFT OUTER JOIN emp.alliance_members ea
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ON ea.empire_id = $1 AND NOT is_pending
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LEFT OUTER JOIN emp.enemy_alliances en
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ON en.empire_id = $1 AND en.alliance_id = mv.alliance_id
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WHERE x BETWEEN $2 AND $4 AND y BETWEEN $3 AND $5;
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$$ LANGUAGE SQL;
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GRANT EXECUTE ON FUNCTION verse.get_map( INT , INT , INT , INT , INT ) TO :dbuser;
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