You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
59 lines
2.3 KiB
C++
59 lines
2.3 KiB
C++
15 years ago
|
/* $Id$ */
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This file is part of OpenTTD.
|
||
|
|
* 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.
|
||
|
|
* 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.
|
||
|
|
* 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/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @file sprite.cpp Handling of sprites */
|
||
|
|
|
||
|
|
#include "stdafx.h"
|
||
|
|
#include "sprite.h"
|
||
|
|
#include "tile_cmd.h"
|
||
|
|
#include "viewport_func.h"
|
||
|
|
|
||
|
|
#include "table/sprites.h"
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Draws a tile sprite sequence.
|
||
|
|
* @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 orig_offset Sprite-Offset for original sprites
|
||
|
|
* @param newgrf_offset Sprite-Offset for NewGRF defined sprites
|
||
|
|
* @param default_palette The default recolour sprite to use (typically company colour)
|
||
|
|
*/
|
||
|
|
void DrawCommonTileSeq(const TileInfo *ti, const DrawTileSprites *dts, TransparencyOption to, int32 orig_offset, uint32 newgrf_offset, SpriteID default_palette)
|
||
|
|
{
|
||
|
|
const DrawTileSeqStruct *dtss;
|
||
|
|
foreach_draw_tile_seq(dtss, dts->seq) {
|
||
|
|
SpriteID image = dtss->image.sprite;
|
||
|
|
|
||
|
|
/* 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 (newgrf_offset == 0 || HasBit(image, SPRITE_MODIFIER_USE_OFFSET)) {
|
||
|
|
image += orig_offset;
|
||
|
|
} else {
|
||
|
|
image += newgrf_offset;
|
||
|
|
}
|
||
|
|
|
||
|
|
SpriteID pal = SpriteLayoutPaletteTransform(image, dtss->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 stations and original spritelayouts delta_x and delta_y are signed */
|
||
|
|
AddChildSpriteScreen(image, pal, dtss->delta_x, dtss->delta_y, !HasBit(image, SPRITE_MODIFIER_OPAQUE) && IsTransparencySet(to));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|