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(svn r21235) -Codechange: Move Train::UpdateVisualEffect to the Vehicle class (Hirundo)

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This commit is contained in:
rubidium 2010-11-18 14:09:39 +00:00
parent 797435f05d
commit b9407f7ca0
4 changed files with 47 additions and 46 deletions
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2
src/train.h
View File

@ -365,8 +365,6 @@ struct Train : public GroundVehicle<Train, VEH_TRAIN> {
protected: // These functions should not be called outside acceleration code.
void UpdateVisualEffect(bool allow_power_change);
/**
* Allows to know the power value that this vehicle will use.
* @return Power value from the engine in HP, or zero if the vehicle is not powered.

44
src/train_cmd.cpp
View File

@ -138,50 +138,6 @@ void Train::RailtypeChanged()
if (this->IsFrontEngine()) this->UpdateAcceleration();
}
/**
* Update the cached visual effect.
* @param allow_power_change true if the wagon-is-powered-state may change.
*/
void Train::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);
if (this->type == VEH_TRAIN) {
if (e->u.rail.visual_effect != 0) {
this->vcache.cached_vis_effect = e->u.rail.visual_effect;
} else {
Train *t = Train::From(this);
if (t->IsWagon() || t->IsArticulatedPart()) {
/* Wagons and articulated parts have no effect by default */
SetBit(this->vcache.cached_vis_effect, VE_DISABLE_EFFECT);
} else 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-trains do not have a visual effect by default. */
SetBit(this->vcache.cached_vis_effect, VE_DISABLE_EFFECT);
}
/* Check powered wagon / visual effect callback */
if (HasBit(e->info.callback_mask, CBM_VEHICLE_VISUAL_EFFECT)) {
uint16 callback = GetVehicleCallback(CBID_VEHICLE_VISUAL_EFFECT, 0, 0, this->engine_type, this);
if (callback != CALLBACK_FAILED) this->vcache.cached_vis_effect = GB(callback, 0, 8);
}
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);
}
}
/**
* Recalculates the cached stuff of a train. Should be called each time a vehicle is added
* to/removed from the chain, and when the game is loaded.

41
src/vehicle.cpp
View File

@ -1855,6 +1855,47 @@ 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);
if (this->type == VEH_TRAIN) {
if (e->u.rail.visual_effect != 0) {
this->vcache.cached_vis_effect = e->u.rail.visual_effect;
} else {
Train *t = Train::From(this);
if (t->IsWagon() || t->IsArticulatedPart()) {
/* Wagons and articulated parts have no effect by default */
SetBit(this->vcache.cached_vis_effect, VE_DISABLE_EFFECT);
} else 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-trains do not have a visual effect by default. */
SetBit(this->vcache.cached_vis_effect, VE_DISABLE_EFFECT);
}
/* Check powered wagon / visual effect callback */
if (HasBit(e->info.callback_mask, CBM_VEHICLE_VISUAL_EFFECT)) {
uint16 callback = GetVehicleCallback(CBID_VEHICLE_VISUAL_EFFECT, 0, 0, this->engine_type, this);
if (callback != CALLBACK_FAILED) this->vcache.cached_vis_effect = GB(callback, 0, 8);
}
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);
}
}
void Vehicle::SetNext(Vehicle *next)
{
assert(this != next);

6
src/vehicle_base.h
View File

@ -612,6 +612,12 @@ public:
*/
CommandCost SendToDepot(DoCommandFlag flags, DepotCommand command);
/**
* Update the cached visual effect.
* @param allow_power_change true if the wagon-is-powered-state may change.
*/
void UpdateVisualEffect(bool allow_power_change = true);
/**
* Increments cur_order_index, keeps care of the wrap-around and invalidates the GUI.
* Note: current_order is not invalidated.