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(svn r6756) - Fix: When resolving vehicle groups, only fall back to the default group if the group chosen is undefined, not if it returns a bad result. This fixes some issues with UKRS.

This commit is contained in:
peter1138 2006-10-12 15:05:25 +00:00
parent fd3fd176e5
commit d9a1578cf4
1 changed files with 11 additions and 30 deletions
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41
newgrf_engine.c
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@ -862,14 +862,12 @@ SpriteID GetCustomEngineSprite(EngineID engine, const Vehicle *v, Direction dire
{
const SpriteGroup *group;
ResolverObject object;
CargoID cargo = GC_PURCHASE;
CargoID cargo;
NewVehicleResolver(&object, engine, v);
if (v != NULL) {
cargo = _global_cargo_id[_opt.landscape][v->cargo_type];
assert(cargo != GC_INVALID);
}
cargo = (v == NULL) ? GC_PURCHASE : _global_cargo_id[_opt.landscape][v->cargo_type];
assert(cargo != GC_INVALID);
group = engine_custom_sprites[engine][cargo];
@ -879,13 +877,8 @@ SpriteID GetCustomEngineSprite(EngineID engine, const Vehicle *v, Direction dire
if (overset != NULL) group = overset;
}
if (group == NULL) group = engine_custom_sprites[engine][GC_DEFAULT];
group = Resolve(group, &object);
if ((group == NULL || group->type != SGT_RESULT) && cargo != GC_DEFAULT) {
// This group is empty but perhaps there'll be a default one.
group = Resolve(engine_custom_sprites[engine][GC_DEFAULT], &object);
}
if (group == NULL || group->type != SGT_RESULT) return 0;
return group->g.result.sprite + (direction % group->g.result.num_sprites);
@ -951,6 +944,7 @@ uint16 GetVehicleCallback(uint16 callback, uint32 param1, uint32 param2, EngineI
object.callback_param2 = param2;
cargo = (v == NULL) ? GC_PURCHASE : _global_cargo_id[_opt.landscape][v->cargo_type];
assert(cargo != GC_INVALID);
group = engine_custom_sprites[engine][cargo];
@ -960,13 +954,8 @@ uint16 GetVehicleCallback(uint16 callback, uint32 param1, uint32 param2, EngineI
if (overset != NULL) group = overset;
}
if (group == NULL) group = engine_custom_sprites[engine][GC_DEFAULT];
group = Resolve(group, &object);
if ((group == NULL || group->type != SGT_CALLBACK) && cargo != GC_DEFAULT) {
// This group is empty but perhaps there'll be a default one.
group = Resolve(engine_custom_sprites[engine][GC_DEFAULT], &object);
}
if (group == NULL || group->type != SGT_CALLBACK) return CALLBACK_FAILED;
return group->g.callback.result;
@ -997,6 +986,7 @@ uint16 GetVehicleCallbackParent(uint16 callback, uint32 param1, uint32 param2, E
object.u.vehicle.parent = parent;
cargo = (v == NULL) ? GC_PURCHASE : _global_cargo_id[_opt.landscape][v->cargo_type];
assert(cargo != GC_INVALID);
group = engine_custom_sprites[engine][cargo];
@ -1006,13 +996,8 @@ uint16 GetVehicleCallbackParent(uint16 callback, uint32 param1, uint32 param2, E
if (overset != NULL) group = overset;
}
if (group == NULL) group = engine_custom_sprites[engine][GC_DEFAULT];
group = Resolve(group, &object);
if ((group == NULL || group->type != SGT_CALLBACK) && cargo != GC_DEFAULT) {
// This group is empty but perhaps there'll be a default one.
group = Resolve(engine_custom_sprites[engine][GC_DEFAULT], &object);
}
if (group == NULL || group->type != SGT_CALLBACK) return CALLBACK_FAILED;
return group->g.callback.result;
@ -1033,6 +1018,8 @@ static void DoTriggerVehicle(Vehicle *v, VehicleTrigger trigger, byte base_rando
object.trigger = trigger;
cargo = _global_cargo_id[_opt.landscape][v->cargo_type];
assert(cargo != GC_INVALID);
group = engine_custom_sprites[v->engine_type][cargo];
if (v->type == VEH_Train) {
@ -1040,14 +1027,8 @@ static void DoTriggerVehicle(Vehicle *v, VehicleTrigger trigger, byte base_rando
if (overset != NULL) group = overset;
}
if (group == NULL) group = engine_custom_sprites[v->engine_type][GC_DEFAULT];
group = Resolve(group, &object);
if (group == NULL && v->cargo_type != GC_DEFAULT) {
// This group is empty but perhaps there'll be a default one.
group = Resolve(engine_custom_sprites[v->engine_type][GC_DEFAULT], &object);
}
/* Really return? */
if (group == NULL) return;
new_random_bits = Random();
v->random_bits &= ~object.reseed;