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(svn r22923) -Codechange: Move application of the construction stage into TileLayoutSpriteGroup::ProcessRegisters().

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frosch
2011-09-11 15:09:13 +00:00
parent 64e03ee136
commit bd696a6288
5 changed files with 20 additions and 21 deletions
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19
src/newgrf_commons.h
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@@ -69,6 +69,25 @@ enum TileLayoutFlags {
};
DECLARE_ENUM_AS_BIT_SET(TileLayoutFlags)
/**
* Determines which sprite to use from a spriteset for a specific construction stage.
* @param construction_stage Construction stage 0 - 3.
* @param num_sprites Number of available sprites to select stage from.
* @return Sprite to use
*/
static inline uint GetConstructionStageOffset(uint construction_stage, uint num_sprites)
{
assert(num_sprites > 0);
if (num_sprites > 4) num_sprites = 4;
switch (construction_stage) {
case 0: return 0;
case 1: return num_sprites > 2 ? 1 : 0;
case 2: return num_sprites > 2 ? num_sprites - 2 : 0;
case 3: return num_sprites - 1;
default: NOT_REACHED();
}
}
/**
* Additional modifiers for items in sprite layouts.
*/