62 lines
No EOL
2 KiB
PL/PgSQL
62 lines
No EOL
2 KiB
PL/PgSQL
-- LegacyWorlds Beta 6
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-- PostgreSQL database scripts
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--
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-- Game updates - damage fleets and buildings when an
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-- empire is out of cash and has too much upkeep
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--
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-- Copyright(C) 2004-2010, DeepClone Development
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-- --------------------------------------------------------
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CREATE OR REPLACE FUNCTION sys.process_empire_debt_updates( c_tick BIGINT )
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RETURNS VOID
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STRICT VOLATILE
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SECURITY INVOKER
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AS $$
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DECLARE
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fleet_dr DOUBLE PRECISION;
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bld_dr DOUBLE PRECISION;
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empire INT;
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debt DOUBLE PRECISION;
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upkeep DOUBLE PRECISION;
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BEGIN
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fleet_dr := sys.get_constant( 'game.debt.fleet');
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bld_dr := sys.get_constant( 'game.debt.buildings');
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FOR empire, debt IN SELECT e.name_id AS id , e.debt
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FROM sys.updates su
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INNER JOIN emp.updates eu ON eu.update_id = su.id
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INNER JOIN emp.empires e ON eu.empire_id = e.name_id
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WHERE su.last_tick = c_tick AND su.status = 'PROCESSING'
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AND su.gu_type = 'EMPIRE_DEBT' AND e.debt > 0
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FOR UPDATE
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LOOP
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PERFORM sys.write_log( 'EmpireDebt' , 'DEBUG'::log_level , 'Handling debt for empire #'
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|| empire || ' (at tick: ' || debt || '; daily: ' || ( debt * 1440 ) || ')' );
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debt := debt * 1440.0;
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-- Does the empire own fleets?
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SELECT INTO upkeep sum( d.upkeep * s.amount )
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FROM fleets.fleets f
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INNER JOIN fleets.ships s ON s.fleet_id = f.id
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INNER JOIN tech.buildables d ON d.name_id = s.ship_id
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WHERE f.owner_id = empire;
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IF upkeep IS NOT NULL
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THEN
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PERFORM fleets.handle_debt( empire , upkeep , ( CASE WHEN debt > upkeep THEN upkeep ELSE debt END ) , fleet_dr );
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debt := debt - upkeep;
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CONTINUE WHEN debt <= 0;
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END IF;
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-- Does the empire have buildings?
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SELECT INTO upkeep sum( d.upkeep * b.amount )
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FROM emp.planets ep
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INNER JOIN verse.planet_buildings b ON b.planet_id = ep.planet_id
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INNER JOIN tech.buildables d ON d.name_id = b.building_id
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WHERE ep.empire_id = empire;
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CONTINUE WHEN NOT FOUND OR upkeep = 0;
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PERFORM verse.handle_debt( empire , upkeep , debt , bld_dr );
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END LOOP;
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END;
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$$ LANGUAGE plpgsql; |