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(svn r6795) - NewGRF: Add support for cargo-specific wagon overrides.

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peter1138
2006-10-17 14:52:55 +00:00
parent 8072c6fe17
commit da63942041
3 changed files with 13 additions and 14 deletions
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20
newgrf_engine.c
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@@ -58,11 +58,10 @@ static const uint16 _cargo_classes[NUM_GLOBAL_CID] = {
int _traininfo_vehicle_pitch = 0;
int _traininfo_vehicle_width = 29;
// TODO: We don't support cargo-specific wagon overrides. Pretty exotic... ;-) --pasky
typedef struct WagonOverride {
byte *train_id;
int trains;
CargoID cargo;
const SpriteGroup *group;
} WagonOverride;
@@ -73,7 +72,7 @@ typedef struct WagonOverrides {
static WagonOverrides _engine_wagon_overrides[TOTAL_NUM_ENGINES];
void SetWagonOverrideSprites(EngineID engine, const SpriteGroup *group, byte *train_id, int trains)
void SetWagonOverrideSprites(EngineID engine, CargoID cargo, const SpriteGroup *group, byte *train_id, int trains)
{
WagonOverrides *wos;
WagonOverride *wo;
@@ -88,12 +87,13 @@ void SetWagonOverrideSprites(EngineID engine, const SpriteGroup *group, byte *tr
* to prevent leaks. But first we need to refcount the SpriteGroup.
* --pasky */
wo->group = group;
wo->cargo = cargo;
wo->trains = trains;
wo->train_id = malloc(trains);
memcpy(wo->train_id, train_id, trains);
}
static const SpriteGroup *GetWagonOverrideSpriteSet(EngineID engine, byte overriding_engine)
static const SpriteGroup *GetWagonOverrideSpriteSet(EngineID engine, CargoID cargo, byte overriding_engine)
{
const WagonOverrides *wos = &_engine_wagon_overrides[engine];
int i;
@@ -108,7 +108,7 @@ static const SpriteGroup *GetWagonOverrideSpriteSet(EngineID engine, byte overri
int j;
for (j = 0; j < wo->trains; j++) {
if (wo->train_id[j] == overriding_engine) return wo->group;
if (wo->train_id[j] == overriding_engine && (wo->cargo == cargo || wo->cargo == GC_DEFAULT)) return wo->group;
}
}
return NULL;
@@ -872,7 +872,7 @@ SpriteID GetCustomEngineSprite(EngineID engine, const Vehicle *v, Direction dire
group = engine_custom_sprites[engine][cargo];
if (v != NULL && v->type == VEH_Train) {
const SpriteGroup *overset = GetWagonOverrideSpriteSet(engine, v->u.rail.first_engine);
const SpriteGroup *overset = GetWagonOverrideSpriteSet(engine, cargo, v->u.rail.first_engine);
if (overset != NULL) group = overset;
}
@@ -919,7 +919,7 @@ SpriteID GetRotorOverrideSprite(EngineID engine, const Vehicle *v, bool info_vie
bool UsesWagonOverride(const Vehicle* v)
{
assert(v->type == VEH_Train);
return GetWagonOverrideSpriteSet(v->engine_type, v->u.rail.first_engine) != NULL;
return GetWagonOverrideSpriteSet(v->engine_type, _global_cargo_id[_opt.landscape][v->cargo_type], v->u.rail.first_engine) != NULL;
}
/**
@@ -949,7 +949,7 @@ uint16 GetVehicleCallback(uint16 callback, uint32 param1, uint32 param2, EngineI
group = engine_custom_sprites[engine][cargo];
if (v != NULL && v->type == VEH_Train) {
const SpriteGroup *overset = GetWagonOverrideSpriteSet(engine, v->u.rail.first_engine);
const SpriteGroup *overset = GetWagonOverrideSpriteSet(engine, cargo, v->u.rail.first_engine);
if (overset != NULL) group = overset;
}
@@ -991,7 +991,7 @@ uint16 GetVehicleCallbackParent(uint16 callback, uint32 param1, uint32 param2, E
group = engine_custom_sprites[engine][cargo];
if (v != NULL && v->type == VEH_Train) {
const SpriteGroup *overset = GetWagonOverrideSpriteSet(engine, v->u.rail.first_engine);
const SpriteGroup *overset = GetWagonOverrideSpriteSet(engine, cargo, v->u.rail.first_engine);
if (overset != NULL) group = overset;
}
@@ -1023,7 +1023,7 @@ static void DoTriggerVehicle(Vehicle *v, VehicleTrigger trigger, byte base_rando
group = engine_custom_sprites[v->engine_type][cargo];
if (v->type == VEH_Train) {
const SpriteGroup *overset = GetWagonOverrideSpriteSet(v->engine_type, v->u.rail.first_engine);
const SpriteGroup *overset = GetWagonOverrideSpriteSet(v->engine_type, cargo, v->u.rail.first_engine);
if (overset != NULL) group = overset;
}