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(svn r18762) -Codechange: unduplicate sprite layout drawing between industries and houses

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yexo
2010-01-08 22:42:00 +00:00
parent 340f5e8569
commit 5cad8dac74
5 changed files with 48 additions and 54 deletions
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40
src/newgrf_commons.cpp
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@@ -19,6 +19,7 @@
#include "newgrf_commons.h"
#include "station_map.h"
#include "tree_map.h"
#include "viewport_func.h"
#include "core/mem_func.hpp"
/** Constructor of generic class
@@ -322,3 +323,42 @@ uint32 GetNearbyTileInformation(TileIndex tile)
byte terrain_type = GetTerrainType(tile) << 2 | (tile_type == MP_WATER ? 1 : 0) << 1;
return tile_type << 24 | z << 16 | terrain_type << 8 | tileh;
}
/**
* Draws a building including all subsprites on a tile.
* @param ti The tile to draw on
* @param dts Sprite and subsprites to draw
* @param to The transparancy bit that toggles drawing of these sprites
* @param stage The construction stage (0-3)
* @param default_palette The default recolour sprite to use (typically company colour resp. random industry/house colour)
*/
void DrawTileSeq(const TileInfo *ti, const DrawTileSprites *dts, TransparencyOption to, byte stage, SpriteID default_palette)
{
const DrawTileSeqStruct *dtss;
foreach_draw_tile_seq(dtss, dts->seq) {
if (GB(dtss->image.sprite, 0, SPRITE_WIDTH) == 0) continue;
SpriteID image = dtss->image.sprite;
SpriteID pal = dtss->image.pal;
/* Stop drawing sprite sequence once we meet a sprite that doesn't have to be opaque */
if (IsInvisibilitySet(to) && !HasBit(image, SPRITE_MODIFIER_OPAQUE)) return;
if (IS_CUSTOM_SPRITE(image)) image += stage;
pal = SpriteLayoutPaletteTransform(image, pal, default_palette);
if ((byte)dtss->delta_z != 0x80) {
AddSortableSpriteToDraw(
image, pal,
ti->x + dtss->delta_x, ti->y + dtss->delta_y,
dtss->size_x, dtss->size_y,
dtss->size_z, ti->z + dtss->delta_z,
!HasBit(image, SPRITE_MODIFIER_OPAQUE) && IsTransparencySet(to)
);
} else {
/* For industries and houses delta_x and delta_y are unsigned */
AddChildSpriteScreen(image, pal, (byte)dtss->delta_x, (byte)dtss->delta_y, !HasBit(image, SPRITE_MODIFIER_OPAQUE) && IsTransparencySet(to));
}
}
}