mock_spritecache.cpp

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/*
 * 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/>.
 */
 
#include "../stdafx.h"
 
#include "../blitter/factory.hpp"
#include "../core/math_func.hpp"
#include "../spritecache.h"
#include "../spritecache_internal.h"
#include "../table/sprites.h"
 
static bool MockLoadNextSprite(int load_index)
{
  SimpleSpriteAllocator allocator;
  static Sprite *sprite = allocator.Allocate<Sprite>(sizeof(*sprite));
 
  bool is_mapgen = IsMapgenSpriteID(load_index);
 
  SpriteCache *sc = AllocateSpriteCache(load_index);
  sc->file = nullptr;
  sc->file_pos = 0;
  sc->ptr = sprite;
  sc->lru = 0;
  sc->id = 0;
  sc->type = is_mapgen ? SpriteType::MapGen : SpriteType::Normal;
  sc->warned = false;
  sc->control_flags = 0;
 
  /* Fill with empty sprites up until the default sprite count. */
  return (uint)load_index < SPR_OPENTTD_BASE + OPENTTD_SPRITE_COUNT;
}
 
void MockGfxLoadSprites()
{
  /* Force blitter 'null'. This is necessary for GfxInitSpriteMem() to function. */
  BlitterFactory::SelectBlitter("null");
 
  GfxInitSpriteMem();
 
  int load_index = 0;
  while (MockLoadNextSprite(load_index)) {
    load_index++;
  }
}