77 lines
2.7 KiB
MySQL
77 lines
2.7 KiB
MySQL
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-- LegacyWorlds Beta 6
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-- PostgreSQL database scripts
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--
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-- Game updates - fleet status
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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_planet_fleet_status_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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rec RECORD;
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mt_id BIGINT;
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BEGIN
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-- Lock all records
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PERFORM f.id FROM sys.updates su
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INNER JOIN verse.updates vu ON vu.update_id = su.id
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INNER JOIN verse.planets p ON p.name_id = vu.planet_id
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INNER JOIN fleets.fleets f ON f.location_id = p.name_id
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INNER JOIN emp.empires e ON e.name_id = f.owner_id
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WHERE su.last_tick = c_tick AND su.status = 'PROCESSING'
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AND su.gu_type = 'PLANET_FLEET_STATUS'
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FOR UPDATE;
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-- Fleet deployments
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FOR rec IN SELECT f.id AS fleet , f.owner_id AS owner , f.location_id AS location ,
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b.id AS battle
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FROM sys.updates su
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INNER JOIN verse.updates vu ON vu.update_id = su.id
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INNER JOIN fleets.fleets f ON f.location_id = vu.planet_id
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AND f.status = 'DEPLOYING' AND f.penalty = 1
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INNER JOIN emp.empires e ON e.name_id = f.owner_id
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LEFT OUTER JOIN battles.battles b
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ON b.location_id = f.location_id AND b.last_tick IS NULL
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WHERE su.last_tick = c_tick AND su.status = 'PROCESSING'
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AND su.gu_type = 'PLANET_FLEET_STATUS'
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LOOP
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-- Add fleet to battle (will be ignored if battle is NULL)
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PERFORM battles.add_fleet( rec.battle , rec.fleet , TRUE , c_tick );
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-- Find the biggest available fleet belonging to that owner
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SELECT INTO mt_id f.id
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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.ships sd ON sd.buildable_id = s.ship_id
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LEFT OUTER JOIN fleets.movements m ON m.fleet_id = f.id
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WHERE f.owner_id = rec.owner AND f.location_id = rec.location
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AND m.fleet_id IS NULL AND f.status = 'AVAILABLE'
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GROUP BY f.id
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ORDER BY sum( sd.power * s.amount ) DESC
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LIMIT 1;
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CONTINUE WHEN NOT FOUND;
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-- Merge fleet
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PERFORM fleets.merge_ships( mt_id , rec.fleet );
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DELETE FROM fleets.fleets WHERE id = rec.fleet;
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END LOOP;
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-- Fleets that must become available
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UPDATE fleets.fleets f SET status = 'AVAILABLE' , penalty = 0
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FROM sys.updates su , verse.updates vu
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WHERE vu.update_id = su.id AND f.location_id = vu.planet_id
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AND f.penalty = 1 AND su.status = 'PROCESSING'
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AND su.gu_type = 'PLANET_FLEET_STATUS' AND su.last_tick = c_tick;
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-- Fleets that still have a penalty
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UPDATE fleets.fleets f SET penalty = penalty - 1
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FROM sys.updates su , verse.updates vu
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WHERE vu.update_id = su.id AND f.location_id = vu.planet_id
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AND f.penalty > 1 AND su.status = 'PROCESSING'
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AND su.gu_type = 'PLANET_FLEET_STATUS' AND su.last_tick = c_tick;
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END;
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$$ LANGUAGE plpgsql;
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