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Code Issues Activity

(svn r3017) -NewGRF: Implement sprite group unreferencing and unloading.

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This commit is contained in:
peter1138
2005-10-04 21:42:00 +00:00
parent c655e13e92
commit abe60acbbb
5 changed files with 157 additions and 3 deletions
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47
engine.c
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@@ -294,6 +294,28 @@ static const SpriteGroup *GetWagonOverrideSpriteSet(EngineID engine, byte overri
return NULL;
}
/**
* Unload all wagon override sprite groups.
*/
void UnloadWagonOverrides(void)
{
WagonOverrides *wos;
WagonOverride *wo;
EngineID engine;
int i;
for (engine = 0; engine < TOTAL_NUM_ENGINES; engine++) {
wos = &_engine_wagon_overrides[engine];
for (i = 0; i < wos->overrides_count; i++) {
wo = &wos->overrides[i];
UnloadSpriteGroup(&wo->group);
free(wo->train_id);
}
free(wos->overrides);
wos->overrides_count = 0;
wos->overrides = NULL;
}
}
// 0 - 28 are cargos, 29 is default, 30 is the advert (purchase list)
// (It isn't and shouldn't be like this in the GRF files since new cargo types
@@ -303,13 +325,32 @@ static SpriteGroup *engine_custom_sprites[TOTAL_NUM_ENGINES][NUM_GLOBAL_CID];
void SetCustomEngineSprites(EngineID engine, byte cargo, SpriteGroup *group)
{
/* FIXME: If we are replacing an override, release original SpriteGroup
* to prevent leaks. But first we need to refcount the SpriteGroup.
* --pasky */
if (engine_custom_sprites[engine][cargo] != NULL) {
DEBUG(grf, 6)("SetCustomEngineSprites: engine `%d' cargo `%d' already has group -- removing.", engine, cargo);
UnloadSpriteGroup(&engine_custom_sprites[engine][cargo]);
}
engine_custom_sprites[engine][cargo] = group;
group->ref_count++;
}
/**
* Unload all engine sprite groups.
*/
void UnloadCustomEngineSprites(void)
{
EngineID engine;
CargoID cargo;
for (engine = 0; engine < TOTAL_NUM_ENGINES; engine++) {
for (cargo = 0; cargo < NUM_GLOBAL_CID; cargo++) {
if (engine_custom_sprites[engine][cargo] != NULL) {
DEBUG(grf, 6)("UnloadCustomEngineSprites: Unloading group for engine `%d' cargo `%d'.", engine, cargo);
UnloadSpriteGroup(&engine_custom_sprites[engine][cargo]);
}
}
}
}
typedef SpriteGroup *(*resolve_callback)(const SpriteGroup *spritegroup,
const Vehicle *veh, uint16 callback_info, void *resolve_func); /* XXX data pointer used as function pointer */