static void DrawTileLayout(const TileInfo *ti, const TileLayoutSpriteGroup *group, byte stage, HouseID house_id)
{
	const DrawTileSprites *dts = group->ProcessRegisters(&stage);

	const HouseSpec *hs = HouseSpec::Get(house_id);
	PaletteID palette = hs->random_colour[TileHash2Bit(ti->x, ti->y)] + PALETTE_RECOLOUR_START;
	if (HasBit(hs->callback_mask, CBM_HOUSE_COLOUR)) {
		uint16 callback = GetHouseCallback(CBID_HOUSE_COLOUR, 0, 0, house_id, Town::GetByTile(ti->tile), ti->tile);
		if (callback != CALLBACK_FAILED) {
			/* If bit 14 is set, we should use a 2cc colour map, else use the callback value. */
			palette = HasBit(callback, 14) ? GB(callback, 0, 8) + SPR_2CCMAP_BASE : callback;
		}
	}

	SpriteID image = dts->ground.sprite;
	PaletteID pal  = dts->ground.pal;

	if (HasBit(image, SPRITE_MODIFIER_CUSTOM_SPRITE)) image += stage;
	if (HasBit(pal, SPRITE_MODIFIER_CUSTOM_SPRITE)) pal += stage;

	if (GB(image, 0, SPRITE_WIDTH) != 0) {
		DrawGroundSprite(image, GroundSpritePaletteTransform(image, pal, palette));
	}

	DrawNewGRFTileSeq(ti, dts, TO_HOUSES, stage, palette);
}
Example #2
0
/**
 * Draw representation of a station tile for GUI purposes.
 * @param x Position x of image.
 * @param y Position y of image.
 * @param axis Axis.
 * @param railtype Rail type.
 * @param sclass, station Type of station.
 * @param station station ID
 * @return True if the tile was drawn (allows for fallback to default graphic)
 */
bool DrawStationTile(int x, int y, RailType railtype, Axis axis, StationClassID sclass, uint station)
{
	const StationSpec *statspec;
	const DrawTileSprites *sprites;
	const RailtypeInfo *rti = GetRailTypeInfo(railtype);
	PaletteID palette = COMPANY_SPRITE_COLOUR(_local_company);
	uint tile = 2;

	statspec = StationClass::Get(sclass, station);
	if (statspec == NULL) return false;

	uint relocation = GetCustomStationRelocation(statspec, NULL, INVALID_TILE);

	if (HasBit(statspec->callback_mask, CBM_STATION_SPRITE_LAYOUT)) {
		uint16 callback = GetStationCallback(CBID_STATION_SPRITE_LAYOUT, 0x2110000, 0, statspec, NULL, INVALID_TILE);
		if (callback != CALLBACK_FAILED) tile = callback;
	}

	if (statspec->renderdata == NULL) {
		sprites = GetStationTileLayout(STATION_RAIL, tile + axis);
	} else {
		sprites = &statspec->renderdata[(tile < statspec->tiles) ? tile + axis : (uint)axis];
	}

	SpriteID image = sprites->ground.sprite;
	PaletteID pal = sprites->ground.pal;
	if (HasBit(image, SPRITE_MODIFIER_CUSTOM_SPRITE)) {
		image += GetCustomStationGroundRelocation(statspec, NULL, INVALID_TILE);
		image += rti->custom_ground_offset;
	} else {
		image += rti->total_offset;
	}

	DrawSprite(image, GroundSpritePaletteTransform(image, pal, palette), x, y);

	DrawRailTileSeqInGUI(x, y, sprites, rti->total_offset, relocation, palette);

	return true;
}