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(svn r22518) -Feature: [NewGRF] Advanced sprite layouts with register modifiers.

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frosch
2011-05-29 16:56:22 +00:00
parent 5b449145f7
commit a241a4ce97
13 changed files with 559 additions and 67 deletions
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23
src/newgrf_spritegroup.cpp
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@@ -226,3 +226,26 @@ const SpriteGroup *RealSpriteGroup::Resolve(ResolverObject *object) const
{
return object->ResolveReal(object, this);
}
/**
* Process registers and the construction stage into the sprite layout.
* The passed construction stage might get reset to zero, if it gets incorporated into the layout
* during the preprocessing.
* @param [in, out] stage Construction stage (0-3), or NULL if not applicable.
* @return sprite layout to draw.
*/
const DrawTileSprites *TileLayoutSpriteGroup::ProcessRegisters(uint8 *stage) const
{
if (!this->dts.NeedsPreprocessing()) return &this->dts;
static DrawTileSprites result;
uint8 actual_stage = stage != NULL ? *stage : 0;
this->dts.PrepareLayout(0, actual_stage, actual_stage, false);
this->dts.ProcessRegisters(0, 0, false);
result.seq = this->dts.GetLayout(&result.ground);
/* Stage has been processed by PrepareLayout(), set it to zero. */
if (stage != NULL) *stage = 0;
return &result;
}