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(svn r27342) -Add: Optionally return the number of sprites in the spriteset from GetCustomRailSprite.

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frosch
2015-07-26 12:25:37 +00:00
parent a81968d0f3
commit 574b981e33
2 changed files with 5 additions and 2 deletions

5
src/newgrf_railtype.cpp

@@ -100,9 +100,10 @@ RailTypeResolverObject::RailTypeResolverObject(const RailtypeInfo *rti, TileInde
* @param tile The tile to get the sprite for.
* @param rtsg The type of sprite to draw.
* @param content Where are we drawing the tile?
* @param [out] num_results If not NULL, return the number of sprites in the spriteset.
* @return The sprite to draw.
*/
SpriteID GetCustomRailSprite(const RailtypeInfo *rti, TileIndex tile, RailTypeSpriteGroup rtsg, TileContext context)
SpriteID GetCustomRailSprite(const RailtypeInfo *rti, TileIndex tile, RailTypeSpriteGroup rtsg, TileContext context, uint *num_results)
{
assert(rtsg < RTSG_END);
@@ -112,6 +113,8 @@ SpriteID GetCustomRailSprite(const RailtypeInfo *rti, TileIndex tile, RailTypeSp
const SpriteGroup *group = object.Resolve();
if (group == NULL || group->GetNumResults() == 0) return 0;
if (num_results) *num_results = group->GetNumResults();
return group->GetResult();
}

2
src/newgrf_railtype.h

@@ -44,7 +44,7 @@ struct RailTypeResolverObject : public ResolverObject {
/* virtual */ const SpriteGroup *ResolveReal(const RealSpriteGroup *group) const;
};
SpriteID GetCustomRailSprite(const RailtypeInfo *rti, TileIndex tile, RailTypeSpriteGroup rtsg, TileContext context = TCX_NORMAL);
SpriteID GetCustomRailSprite(const RailtypeInfo *rti, TileIndex tile, RailTypeSpriteGroup rtsg, TileContext context = TCX_NORMAL, uint *num_results = NULL);
SpriteID GetCustomSignalSprite(const RailtypeInfo *rti, TileIndex tile, SignalType type, SignalVariant var, SignalState state, bool gui = false);
uint8 GetReverseRailTypeTranslation(RailType railtype, const GRFFile *grffile);