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(svn r22453) -Feature(ette): Implement variable 18 for custom station foundations.

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frosch
2011-05-14 12:38:10 +00:00
parent 930d0c9702
commit fdd2f8447e
3 changed files with 26 additions and 12 deletions
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13
src/newgrf_station.cpp
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@@ -604,14 +604,23 @@ SpriteID GetCustomStationGroundRelocation(const StationSpec *statspec, const Bas
return group->GetResult() - 0x42D;
}
SpriteID GetCustomStationFoundationRelocation(const StationSpec *statspec, const BaseStation *st, TileIndex tile)
/**
* Resolve the sprites for custom station foundations.
* @param statspec Station spec
* @param st Station
* @param tile Station tile being drawn
* @param layout Spritelayout as returned by previous callback
* @param edge_info Information about northern tile edges; whether they need foundations or merge into adjacent tile's foundations.
* @return First sprite of a set of foundation sprites for various slopes.
*/
SpriteID GetCustomStationFoundationRelocation(const StationSpec *statspec, const BaseStation *st, TileIndex tile, uint layout, uint edge_info)
{
const SpriteGroup *group;
ResolverObject object;
NewStationResolver(&object, statspec, st, tile);
object.callback_param1 = 2; // Indicate we are resolving the foundation sprites
object.callback_param2 = layout | (edge_info << 16);
ClearRegister(0x100);
group = ResolveStation(&object);