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lwb6/legacyworlds-server-data/db-structure/parts/050-updates/015-empire-resources.sql
Emmanuel BENOîT cb65a6e643 Empire resources and vacation mode
* Modified the empire resources update to check for vacation mode and
apply the modifier from vacation.cashDivider if necessary.

* Some parts of the database need to be reloaded:
  -> 050-updates/015-empire-resources.sql
2012-02-16 10:22:30 +01:00

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SQL

-- LegacyWorlds Beta 6
-- PostgreSQL database scripts
--
-- Game updates - empire resources
--
-- Copyright(C) 2004-2012, DeepClone Development
-- --------------------------------------------------------
/*
* Empire resources update
*
* For each empire in the update batch, compute the new amount of resources
* based on the upkeep and income from planets.
*
* FIXME: this should also include fleet upkeeps. This situation will be
* resolved once the system is modified to rely solely on resources.
*
* Parameters:
* _tick The identifier of the game update
*/
DROP FUNCTION IF EXISTS sys.process_empire_resources_updates( BIGINT );
CREATE FUNCTION sys.process_empire_resources_updates( _tick BIGINT )
RETURNS VOID
STRICT VOLATILE
SECURITY INVOKER
AS $process_empire_resources_updates$
UPDATE emp.resources _emp_resources
SET empres_possessed = CASE
WHEN _emp_resources.empres_possessed + _raw.res_delta > 0 THEN
_emp_resources.empres_possessed + _raw.res_delta
ELSE
0
END ,
empres_owed = CASE
WHEN _emp_resources.empres_possessed + _raw.res_delta < 0 THEN
-( _emp_resources.empres_possessed + _raw.res_delta )
ELSE
0
END
FROM (
SELECT _upd_emp.name_id AS empire_id , _pl_resources.resource_name_id ,
( _pl_resources.pres_income - _pl_resources.pres_upkeep ) / ( CASE
WHEN _vacation.account_id IS NULL THEN
1
ELSE
sys.get_constant( 'vacation.cashDivider' )
END ) AS res_delta
FROM sys.updates _upd_sys
INNER JOIN emp.empires_updates _upd_emp
USING ( updtgt_id , updtype_id , update_id )
INNER JOIN emp.planets _emp_planets
ON empire_id = name_id
INNER JOIN verse.planet_resources _pl_resources
USING ( planet_id )
INNER JOIN naming.empire_names _emp_name
ON _emp_name.id = _upd_emp.name_id
LEFT OUTER JOIN users.vacations _vacation
ON _vacation.account_id = _emp_name.owner_id
AND _vacation.status = 'PROCESSED'
WHERE _upd_sys.update_last = $1
AND _upd_sys.update_state = 'PROCESSING'
) _raw
WHERE _emp_resources.empire_id = _raw.empire_id
AND _emp_resources.resource_name_id = _raw.resource_name_id;
$process_empire_resources_updates$ LANGUAGE SQL;
REVOKE EXECUTE
ON FUNCTION sys.process_empire_resources_updates( BIGINT )
FROM PUBLIC;
SELECT sys.register_update_type( 'Empires' , 'EmpireResources' ,
'Empires'' resources are being updated using the previous update''s results. ' ,
'process_empire_resources_updates'
);