(svn r18837) -Codechange: Rename DrawStationTileSeq() to DrawCommonTileSeq() and move it to separate file.
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/* $Id$ */
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/*
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* This file is part of OpenTTD.
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* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
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* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file sprite.cpp Handling of sprites */
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#include "stdafx.h"
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#include "sprite.h"
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#include "tile_cmd.h"
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#include "viewport_func.h"
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#include "table/sprites.h"
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/**
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* Draws a tile sprite sequence.
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* @param ti The tile to draw on
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* @param dts Sprite and subsprites to draw
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* @param to The transparancy bit that toggles drawing of these sprites
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* @param orig_offset Sprite-Offset for original sprites
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* @param newgrf_offset Sprite-Offset for NewGRF defined sprites
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* @param default_palette The default recolour sprite to use (typically company colour)
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*/
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void DrawCommonTileSeq(const TileInfo *ti, const DrawTileSprites *dts, TransparencyOption to, int32 orig_offset, uint32 newgrf_offset, SpriteID default_palette)
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{
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const DrawTileSeqStruct *dtss;
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foreach_draw_tile_seq(dtss, dts->seq) {
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SpriteID image = dtss->image.sprite;
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/* Stop drawing sprite sequence once we meet a sprite that doesn't have to be opaque */
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if (IsInvisibilitySet(to) && !HasBit(image, SPRITE_MODIFIER_OPAQUE)) return;
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if (newgrf_offset == 0 || HasBit(image, SPRITE_MODIFIER_USE_OFFSET)) {
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image += orig_offset;
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} else {
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image += newgrf_offset;
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}
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SpriteID pal = SpriteLayoutPaletteTransform(image, dtss->image.pal, default_palette);
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if ((byte)dtss->delta_z != 0x80) {
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AddSortableSpriteToDraw(
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image, pal,
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ti->x + dtss->delta_x, ti->y + dtss->delta_y,
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dtss->size_x, dtss->size_y,
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dtss->size_z, ti->z + dtss->delta_z,
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!HasBit(image, SPRITE_MODIFIER_OPAQUE) && IsTransparencySet(to)
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);
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} else {
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/* For stations and original spritelayouts delta_x and delta_y are signed */
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AddChildSpriteScreen(image, pal, dtss->delta_x, dtss->delta_y, !HasBit(image, SPRITE_MODIFIER_OPAQUE) && IsTransparencySet(to));
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}
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}
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}
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