OpenTTD Source  20241121-master-g67a0fccfad
mock_spritecache.cpp
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1 /*
2  * This file is part of OpenTTD.
3  * 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.
4  * 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.
5  * 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/>.
6  */
7 
10 #include "../stdafx.h"
11 
12 #include "../blitter/factory.hpp"
13 #include "../core/math_func.hpp"
14 #include "../spritecache.h"
15 #include "../spritecache_internal.h"
16 #include "../table/sprites.h"
17 
18 static bool MockLoadNextSprite(SpriteID load_index)
19 {
20  SimpleSpriteAllocator allocator;
21  static Sprite *sprite = allocator.Allocate<Sprite>(sizeof(*sprite));
22 
23  bool is_mapgen = IsMapgenSpriteID(load_index);
24 
25  SpriteCache *sc = AllocateSpriteCache(load_index);
26  sc->file = nullptr;
27  sc->file_pos = 0;
28  sc->ptr = sprite;
29  sc->lru = 0;
30  sc->id = 0;
31  sc->type = is_mapgen ? SpriteType::MapGen : SpriteType::Normal;
32  sc->warned = false;
33  sc->control_flags = 0;
34 
35  /* Fill with empty sprites up until the default sprite count. */
36  return load_index < SPR_OPENTTD_BASE + OPENTTD_SPRITE_COUNT;
37 }
38 
39 void MockGfxLoadSprites()
40 {
41  /* Force blitter 'null'. This is necessary for GfxInitSpriteMem() to function. */
43 
44  GfxInitSpriteMem();
45 
46  SpriteID load_index = 0;
47  while (MockLoadNextSprite(load_index)) {
48  load_index++;
49  }
50 }
static Blitter * SelectBlitter(const std::string_view name)
Find the requested blitter and return its class.
Definition: factory.hpp:96
SpriteAllocate that uses malloc to allocate memory.
Definition: spritecache.h:35
T * Allocate(size_t size)
Allocate memory for a sprite.
uint32_t SpriteID
The number of a sprite, without mapping bits and colourtables.
Definition: gfx_type.h:18
@ MapGen
Special sprite for the map generator.
@ Normal
The most basic (normal) sprite.
static const SpriteID SPR_OPENTTD_BASE
Extra graphic spritenumbers.
Definition: sprites.h:56
uint8_t control_flags
Control flags, see SpriteCacheCtrlFlags.
bool warned
True iff the user has been warned about incorrect use of this sprite.
SpriteType type
In some cases a single sprite is misused by two NewGRFs. Once as real sprite and once as recolour spr...
SpriteFile * file
The file the sprite in this entry can be found in.
Data structure describing a sprite.
Definition: spritecache.h:17