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-rw-r--r--src/vehicle.cpp60
1 files changed, 28 insertions, 32 deletions
diff --git a/src/vehicle.cpp b/src/vehicle.cpp
index 7cab0e038..bc5469062 100644
--- a/src/vehicle.cpp
+++ b/src/vehicle.cpp
@@ -1892,31 +1892,15 @@ CommandCost Vehicle::SendToDepot(DoCommandFlag flags, DepotCommand command)
void Vehicle::UpdateVisualEffect(bool allow_power_change)
{
bool powered_before = HasBit(this->vcache.cached_vis_effect, VE_DISABLE_WAGON_POWER);
- this->vcache.cached_vis_effect = 0;
-
const Engine *e = Engine::Get(this->engine_type);
- byte visual_effect = VE_DEFAULT;
- switch (this->type) {
+
+ /* Evaluate properties */
+ byte visual_effect;
+ switch (e->type) {
case VEH_TRAIN: visual_effect = e->u.rail.visual_effect; break;
case VEH_ROAD: visual_effect = e->u.road.visual_effect; break;
case VEH_SHIP: visual_effect = e->u.ship.visual_effect; break;
- default: break;
- }
- if (visual_effect == VE_DEFAULT) {
- if (this->type == VEH_TRAIN && !(Train::From(this)->IsWagon() || Train::From(this)->IsArticulatedPart())) {
- if (e->u.rail.engclass == 0) {
- /* Steam is offset by -4 units */
- SB(this->vcache.cached_vis_effect, VE_OFFSET_START, VE_OFFSET_COUNT, VE_OFFSET_CENTRE - 4);
- } else {
- /* Diesel fumes and sparks come from the centre */
- SB(this->vcache.cached_vis_effect, VE_OFFSET_START, VE_OFFSET_COUNT, VE_OFFSET_CENTRE);
- }
- } else {
- /* Non-train engines do not have a visual effect by default. */
- SetBit(this->vcache.cached_vis_effect, VE_DISABLE_EFFECT);
- }
- } else {
- this->vcache.cached_vis_effect = visual_effect;
+ default: visual_effect = 1 << VE_DISABLE_EFFECT; break;
}
/* Check powered wagon / visual effect callback */
@@ -1931,10 +1915,32 @@ void Vehicle::UpdateVisualEffect(bool allow_power_change)
assert(HasBit(callback, VE_DISABLE_EFFECT));
SB(callback, VE_TYPE_START, VE_TYPE_COUNT, 0);
}
- this->vcache.cached_vis_effect = callback;
+ visual_effect = callback;
+ }
+ }
+
+ /* Apply default values */
+ if (visual_effect == VE_DEFAULT ||
+ (!HasBit(visual_effect, VE_DISABLE_EFFECT) && GB(visual_effect, VE_TYPE_START, VE_TYPE_COUNT) == VE_TYPE_DEFAULT)) {
+ /* Only train engines have default effects.
+ * Note: This is independent of whether the engine is a front engine or articulated part or whatever. */
+ if (e->type != VEH_TRAIN || e->u.rail.railveh_type == RAILVEH_WAGON || !IsInsideMM(e->u.rail.engclass, EC_STEAM, EC_MONORAIL)) {
+ if (visual_effect == VE_DEFAULT) {
+ visual_effect = 1 << VE_DISABLE_EFFECT;
+ } else {
+ SetBit(visual_effect, VE_DISABLE_EFFECT);
+ }
+ } else {
+ if (visual_effect == VE_DEFAULT) {
+ /* Also set the offset */
+ visual_effect = (VE_OFFSET_CENTRE - (e->u.rail.engclass == EC_STEAM ? 4 : 0)) << VE_OFFSET_START;
+ }
+ SB(visual_effect, VE_TYPE_START, VE_TYPE_COUNT, e->u.rail.engclass - EC_STEAM + VE_TYPE_STEAM);
}
}
+ this->vcache.cached_vis_effect = visual_effect;
+
if (!allow_power_change && powered_before != HasBit(this->vcache.cached_vis_effect, VE_DISABLE_WAGON_POWER)) {
ToggleBit(this->vcache.cached_vis_effect, VE_DISABLE_WAGON_POWER);
ShowNewGrfVehicleError(this->engine_type, STR_NEWGRF_BROKEN, STR_NEWGRF_BROKEN_POWERED_WAGON, GBUG_VEH_POWERED_WAGON, false);
@@ -1995,16 +2001,6 @@ void Vehicle::ShowVisualEffect() const
continue;
}
- if (effect_type == VE_TYPE_DEFAULT) {
- if (v->type == VEH_TRAIN) {
- /* Use default effect type for engine class. */
- effect_type = RailVehInfo(v->engine_type)->engclass + 1;
- } else {
- /* No default effect exists, so continue */
- continue;
- }
- }
-
int x = _vehicle_smoke_pos[v->direction] * effect_offset;
int y = _vehicle_smoke_pos[(v->direction + 2) % 8] * effect_offset;