Changeset - r2574:7236c646b1d7
[Not reviewed]
master
0 7 0
bjarni - 18 years ago 2005-10-31 12:59:47
bjarni@openttd.org
(svn r3111) -Fix: [autoreplace] [ 1341783 ] Assertion failure in vehicle.c line 378
running MaybeReplaceVehicle() is now delayed until after the loop in CallVehicleTicks()
This avoids selling the vehicle the loop currently works with (and continues to work with afterwards)
7 files changed with 54 insertions and 17 deletions:
0 comments (0 inline, 0 general)
aircraft_cmd.c
Show inline comments
 
@@ -1302,8 +1302,6 @@ static void AircraftEnterHangar(Vehicle 
 
	ServiceAircraft(v);
 
	InvalidateWindowClasses(WC_AIRCRAFT_LIST);
 

	
 
	v = MaybeReplaceVehicle(v);
 

	
 
	TriggerVehicle(v, VEHICLE_TRIGGER_DEPOT);
 

	
 
	if (v->current_order.type == OT_GOTO_DEPOT) {
engine.c
Show inline comments
 
@@ -718,6 +718,12 @@ static void DoTriggerVehicle(Vehicle *ve
 
		                                  (resolve_callback) TriggerVehicleSpriteGroup);
 
	}
 

	
 
	if (trigger == VEHICLE_TRIGGER_DEPOT) {
 
		// store that the vehicle entered a depot this tick
 
		// it needs to be before all possible return statements;
 
		VehicleEnteredDepotThisTick(veh);
 
	}
 

	
 
	if (group == NULL)
 
		return;
 

	
roadveh_cmd.c
Show inline comments
 
@@ -1522,8 +1522,6 @@ void RoadVehEnterDepot(Vehicle *v)
 

	
 
	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
 

	
 
	v = MaybeReplaceVehicle(v);
 

	
 
	VehicleServiceInDepot(v);
 

	
 
	TriggerVehicle(v, VEHICLE_TRIGGER_DEPOT);
ship_cmd.c
Show inline comments
 
@@ -414,8 +414,6 @@ static void ShipEnterDepot(Vehicle *v)
 

	
 
	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
 

	
 
	v = MaybeReplaceVehicle(v);
 

	
 
	TriggerVehicle(v, VEHICLE_TRIGGER_DEPOT);
 

	
 
	if (v->current_order.type == OT_GOTO_DEPOT) {
train_cmd.c
Show inline comments
 
@@ -3328,8 +3328,6 @@ void TrainEnterDepot(Vehicle *v, TileInd
 
	v->load_unload_time_rem = 0;
 
	v->cur_speed = 0;
 

	
 
	v = MaybeReplaceVehicle(v);
 

	
 
	TriggerVehicle(v, VEHICLE_TRIGGER_DEPOT);
 

	
 
	if (v->current_order.type == OT_GOTO_DEPOT) {
vehicle.c
Show inline comments
 
@@ -264,6 +264,7 @@ static Vehicle *InitializeVehicle(Vehicl
 
	v->string_id = 0;
 
	v->next_shared = NULL;
 
	v->prev_shared = NULL;
 
	v->depot_list  = NULL;
 
	/* random_bits is used to pick out a random sprite for vehicles
 
	    which are technical the same (newgrf stuff).
 
	   Because RandomRange() results in desyncs, and because it does
 
@@ -515,6 +516,24 @@ void Ship_Tick(Vehicle *v);
 
void Train_Tick(Vehicle *v);
 
static void EffectVehicle_Tick(Vehicle *v);
 
void DisasterVehicle_Tick(Vehicle *v);
 
static void MaybeReplaceVehicle(Vehicle *v);
 

	
 
// head of the linked list to tell what vehicles that visited a depot in a tick
 
Vehicle *_first_veh_in_depot_list;
 

	
 
/** Adds a vehicle to the list of vehicles, that visited a depot this tick
 
* @param *v vehicle to add
 
*/
 
void VehicleEnteredDepotThisTick(Vehicle *v)
 
{
 
	if (_first_veh_in_depot_list == NULL) {
 
		_first_veh_in_depot_list = v;
 
	} else {
 
		Vehicle *w = _first_veh_in_depot_list;
 
		while (w->depot_list != NULL) w = w->depot_list;
 
		w->depot_list = v;
 
	}
 
}
 

	
 
VehicleTickProc *_vehicle_tick_procs[] = {
 
	Train_Tick,
 
@@ -529,9 +548,21 @@ void CallVehicleTicks(void)
 
{
 
	Vehicle *v;
 

	
 
	_first_veh_in_depot_list = NULL;	// now we are sure it's initialized at the start of each tick
 

	
 
	FOR_ALL_VEHICLES(v) {
 
		if (v->type != 0)
 
		if (v->type != 0) {
 
			_vehicle_tick_procs[v->type - 0x10](v);
 
		}
 
	}
 

	
 
	// now we handle all the vehicles that entered a depot this tick
 
	v = _first_veh_in_depot_list;
 
	while (v != NULL) {
 
		Vehicle *w = v->depot_list;
 
		v->depot_list = NULL;	// it should always be NULL at the end of each tick
 
		MaybeReplaceVehicle(v);
 
		v = w;
 
	}
 
}
 

	
 
@@ -1566,18 +1597,21 @@ static int32 ReplaceVehicle(Vehicle **w,
 
*	if the vehicle is a train, v needs to be the front engine
 
*	return value is a pointer to the new vehicle, which is the same as the argument if nothing happened
 
*/
 
Vehicle * MaybeReplaceVehicle(Vehicle *v)
 
static void MaybeReplaceVehicle(Vehicle *v)
 
{
 
	Vehicle *w;
 
	const Player *p = GetPlayer(v->owner);
 
	byte flags = 0;
 
	int32 cost = 0, temp_cost = 0;
 
	bool stopped = false;
 

	
 
	_current_player = v->owner;
 

	
 
	assert(v->type == VEH_Train || v->type == VEH_Road || v->type == VEH_Ship || v->type == VEH_Aircraft);
 

	
 
	DoCommand(0, 0, v->index, 0, DC_EXEC, CMD_STARTSTOP_VEH(v->type));
 
	if (!(v->vehstatus&VS_STOPPED)) {
 
		stopped = true;	// we stop the vehicle to do this, so we have to remember to start it again when we are done
 
		DoCommand(0, 0, v->index, 0, DC_EXEC, CMD_STARTSTOP_VEH(v->type));
 
	}
 

	
 
	while (true) {
 
		w = v;
 
@@ -1626,8 +1660,9 @@ Vehicle * MaybeReplaceVehicle(Vehicle *v
 

	
 
				AddNewsItem(message, NEWS_FLAGS(NM_SMALL, NF_VIEWPORT|NF_VEHICLE, NT_ADVICE, 0), v->index, 0);
 
			}
 
			DoCommand(0, 0, v->index, 0, DC_EXEC, CMD_STARTSTOP_VEH(v->type));	//we start the vehicle again
 
			return v;
 
			if (stopped)
 
				DoCommand(0, 0, v->index, 0, DC_EXEC, CMD_STARTSTOP_VEH(v->type));	//we start the vehicle again
 
			return;
 
		}
 

	
 
		if (flags & DC_EXEC) {
 
@@ -1641,9 +1676,9 @@ Vehicle * MaybeReplaceVehicle(Vehicle *v
 
	SubtractMoneyFromPlayer(cost);
 
	if (IsLocalPlayer()) ShowCostOrIncomeAnimation(v->x_pos, v->y_pos, v->z_pos, cost);
 

	
 
	DoCommand(0, 0, v->index, 0, DC_EXEC, CMD_STARTSTOP_VEH(v->type));	//we start the vehicle again
 
	if (stopped)
 
		DoCommand(0, 0, v->index, 0, DC_EXEC, CMD_STARTSTOP_VEH(v->type));	//we start the vehicle again
 
	_current_player = OWNER_NONE;
 
	return v;
 
}
 

	
 

	
vehicle.h
Show inline comments
 
@@ -153,6 +153,7 @@ struct Vehicle {
 

	
 
	Vehicle *next;		// next
 
	Vehicle *first;   // NOSAVE: pointer to the first vehicle in the chain
 
	Vehicle *depot_list;	//NOSAVE: linked list to tell what vehicles entered a depot during the last tick. Used by autoreplace
 

	
 
	StringID string_id; // Displayed string
 

	
 
@@ -164,6 +165,7 @@ struct Vehicle {
 

	
 
	int32 x_pos;			// coordinates
 
	int32 y_pos;
 

	
 
	byte z_pos;
 
	byte direction;		// facing
 

	
 
@@ -240,6 +242,8 @@ struct Vehicle {
 
	int32 profit_last_year;
 
	uint32 value;
 

	
 

	
 

	
 
	union {
 
		VehicleRail rail;
 
		VehicleAir air;
 
@@ -309,7 +313,7 @@ Vehicle *CheckClickOnVehicle(const ViewP
 
void DecreaseVehicleValue(Vehicle *v);
 
void CheckVehicleBreakdown(Vehicle *v);
 
void AgeVehicle(Vehicle *v);
 
Vehicle * MaybeReplaceVehicle(Vehicle *v);
 
void VehicleEnteredDepotThisTick(Vehicle *v);
 

	
 
void BeginVehicleMove(Vehicle *v);
 
void EndVehicleMove(Vehicle *v);
0 comments (0 inline, 0 general)