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(svn r8336) -Codechange: added function to translate vehicle types to 0,1,2... for use for index to arrays

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Used this function to get rid of some switch-cases in build_vehicle_gui.cpp
-Fix (r8335): ship build window didn't remember assending/decending sort setting
This commit is contained in:
bjarni
2007-01-22 01:13:10 +00:00
parent 14b2998023
commit 8f4e2e8040
2 changed files with 20 additions and 22 deletions
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13
src/vehicle.h
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@@ -424,6 +424,19 @@ static inline bool IsPlayerBuildableVehicleType(const Vehicle *v)
return IsPlayerBuildableVehicleType(v->type);
}
/** Function to give index of a vehicle type
* Since the return value is 0 for VEH_train, it's perfect for index to arrays
*/
static inline byte VehTypeToIndex(byte type)
{
return type - VEH_Train;
}
static inline byte VehTypeToIndex(const Vehicle *v)
{
return VehTypeToIndex(v->type);
}
#define FOR_ALL_VEHICLES_FROM(v, start) for (v = GetVehicle(start); v != NULL; v = (v->index + 1U < GetVehiclePoolSize()) ? GetVehicle(v->index + 1) : NULL) if (IsValidVehicle(v))
#define FOR_ALL_VEHICLES(v) FOR_ALL_VEHICLES_FROM(v, 0)