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(svn r9688) -Codechange: Created a function to get default cargo type for a cargo type

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bjarni
2007-04-20 16:56:55 +00:00
parent afea22e013
commit 73875647b5
3 changed files with 32 additions and 27 deletions
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29
src/engine.cpp
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@@ -404,6 +404,35 @@ bool IsEngineBuildable(EngineID engine, byte type, PlayerID player)
return true;
}
/** Get the default cargo type for a certain engine type
* @param engine The ID to get the cargo for
* @return The cargo type. CT_INVALID means no cargo capacity
*/
CargoID GetEngineCargoType(EngineID engine)
{
assert(IsEngineIndex(engine));
switch (GetEngine(engine)->type) {
case VEH_TRAIN:
if (RailVehInfo(engine)->capacity == 0) return CT_INVALID;
return RailVehInfo(engine)->cargo_type;
case VEH_ROAD:
if (RoadVehInfo(engine)->capacity == 0) return CT_INVALID;
return RoadVehInfo(engine)->cargo_type;
case VEH_SHIP:
if (ShipVehInfo(engine)->capacity == 0) return CT_INVALID;
return ShipVehInfo(engine)->cargo_type;
case VEH_AIRCRAFT:
/* all aircraft starts as passenger planes with cargo capacity */
return CT_PASSENGERS;
default: NOT_REACHED(); return CT_INVALID;
}
}
/************************************************************************
* Engine Replacement stuff
************************************************************************/