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authorbjarni <bjarni@openttd.org>2007-03-08 21:39:34 +0000
committerbjarni <bjarni@openttd.org>2007-03-08 21:39:34 +0000
commitc2b7d0192d2b07ca7e4d87d583dabb2e43df49ec (patch)
treecfdbc180c9140ada4cb0bc22da9defe931609d16 /src
parentdaeac3d310a6bf367eb77f0b965f8930dc187899 (diff)
downloadopenttd-c2b7d0192d2b07ca7e4d87d583dabb2e43df49ec.tar.xz
(svn r9072) -Codechange: [Orders] added methods to orders to free them and check if they are in use
Diffstat (limited to 'src')
-rw-r--r--src/aircraft_cmd.cpp14
-rw-r--r--src/disaster_cmd.cpp4
-rw-r--r--src/oldloader.cpp4
-rw-r--r--src/order.h26
-rw-r--r--src/order_cmd.cpp30
-rw-r--r--src/order_gui.cpp5
-rw-r--r--src/roadveh_cmd.cpp6
-rw-r--r--src/ship_cmd.cpp6
-rw-r--r--src/train_cmd.cpp6
9 files changed, 46 insertions, 55 deletions
diff --git a/src/aircraft_cmd.cpp b/src/aircraft_cmd.cpp
index ea7a236c3..e4d5b44ab 100644
--- a/src/aircraft_cmd.cpp
+++ b/src/aircraft_cmd.cpp
@@ -1273,8 +1273,7 @@ static void ProcessAircraftOrder(Vehicle *v)
if (CmdFailed(ret)) CrashAirplane(v);
} else if (v->current_order.type != OT_GOTO_DEPOT) {
- v->current_order.type = OT_NOTHING;
- v->current_order.flags = 0;
+ v->current_order.Free();
}
return;
}
@@ -1326,8 +1325,7 @@ static void HandleAircraftLoading(Vehicle *v, int mode)
}
Order b = v->current_order;
- v->current_order.type = OT_NOTHING;
- v->current_order.flags = 0;
+ v->current_order.Free();
MarkAircraftDirty(v);
if (!(b.flags & OF_NON_STOP)) return;
break;
@@ -1552,8 +1550,7 @@ static void AircraftEventHandler_InHangar(Vehicle *v, const AirportFTAClass *apc
/* if we were sent to the depot, stay there */
if (v->current_order.type == OT_GOTO_DEPOT && (v->vehstatus & VS_STOPPED)) {
- v->current_order.type = OT_NOTHING;
- v->current_order.flags = 0;
+ v->current_order.Free();
return;
}
@@ -1601,7 +1598,7 @@ static void AircraftEventHandler_AtTerminal(Vehicle *v, const AirportFTAClass *a
return;
}
- if (v->current_order.type == OT_NOTHING) return;
+ if (!v->current_order.IsValid()) return;
/* if the block of the next position is busy, stay put */
if (AirportHasBlock(v, &apc->layout[v->u.air.pos], apc)) return;
@@ -1622,8 +1619,7 @@ static void AircraftEventHandler_AtTerminal(Vehicle *v, const AirportFTAClass *a
}
break;
default: // orders have been deleted (no orders), goto depot and don't bother us
- v->current_order.type = OT_NOTHING;
- v->current_order.flags = 0;
+ v->current_order.Free();
v->u.air.state = HANGAR;
}
AirportMove(v, apc);
diff --git a/src/disaster_cmd.cpp b/src/disaster_cmd.cpp
index 7a302ee61..bab9f4138 100644
--- a/src/disaster_cmd.cpp
+++ b/src/disaster_cmd.cpp
@@ -135,9 +135,7 @@ static void InitializeDisasterVehicle(Vehicle *v, int x, int y, byte z, Directio
v->owner = OWNER_NONE;
v->vehstatus = VS_UNCLICKABLE;
v->u.disaster.image_override = 0;
- v->current_order.type = OT_NOTHING;
- v->current_order.flags = 0;
- v->current_order.dest = 0;
+ v->current_order.Free();
DisasterVehicleUpdateImage(v);
VehiclePositionChanged(v);
diff --git a/src/oldloader.cpp b/src/oldloader.cpp
index bdf1cf9e6..940661a95 100644
--- a/src/oldloader.cpp
+++ b/src/oldloader.cpp
@@ -486,9 +486,9 @@ static bool LoadOldOrder(LoadgameState *ls, int num)
AssignOrder(GetOrder(num), UnpackOldOrder(_old_order));
/* Relink the orders to eachother (in TTD(Patch) the orders for one
- vehicle are behind eachother, with OT_NOTHING as indication that
+ vehicle are behind eachother, with an invalid order (OT_NOTHING) as indication that
it is the last order */
- if (num > 0 && GetOrder(num)->type != OT_NOTHING)
+ if (num > 0 && GetOrder(num)->IsValid())
GetOrder(num - 1)->next = GetOrder(num);
return true;
diff --git a/src/order.h b/src/order.h
index b996fb9d6..3a2ddb1f3 100644
--- a/src/order.h
+++ b/src/order.h
@@ -99,6 +99,10 @@ struct Order {
CargoID refit_cargo; // Refit CargoID
byte refit_subtype; // Refit subtype
+
+ bool IsValid() const;
+ void Free();
+ void FreeChain();
};
#define MAX_BACKUP_ORDER_COUNT 40
@@ -134,18 +138,26 @@ static inline VehicleOrderID GetNumOrders()
/**
* Check if a Order really exists.
*/
-static inline bool IsValidOrder(const Order *o)
+inline bool Order::IsValid() const
+{
+ return type != OT_NOTHING;
+}
+
+inline void Order::Free()
{
- return o->type != OT_NOTHING;
+ type = OT_NOTHING;
+ flags = 0;
+ dest = 0;
+ next = NULL;
}
-static inline void DeleteOrder(Order *o)
+inline void Order::FreeChain()
{
- o->type = OT_NOTHING;
- o->next = NULL;
+ if (next != NULL) next->FreeChain();
+ Free();
}
-#define FOR_ALL_ORDERS_FROM(order, start) for (order = GetOrder(start); order != NULL; order = (order->index + 1U < GetOrderPoolSize()) ? GetOrder(order->index + 1U) : NULL) if (IsValidOrder(order))
+#define FOR_ALL_ORDERS_FROM(order, start) for (order = GetOrder(start); order != NULL; order = (order->index + 1U < GetOrderPoolSize()) ? GetOrder(order->index + 1U) : NULL) if (order->IsValid())
#define FOR_ALL_ORDERS(order) FOR_ALL_ORDERS_FROM(order, 0)
@@ -160,7 +172,7 @@ static inline bool HasOrderPoolFree(uint amount)
return true;
FOR_ALL_ORDERS(order)
- if (order->type == OT_NOTHING)
+ if (!order->IsValid())
if (--amount == 0)
return true;
diff --git a/src/order_cmd.cpp b/src/order_cmd.cpp
index 7903d0f57..44d5142c4 100644
--- a/src/order_cmd.cpp
+++ b/src/order_cmd.cpp
@@ -49,7 +49,7 @@ Order UnpackOldOrder(uint16 packed)
// Sanity check
// TTD stores invalid orders as OT_NOTHING with non-zero flags/station
- if (order.type == OT_NOTHING && (order.flags != 0 || order.dest != 0)) {
+ if (!order.IsValid() && (order.flags != 0 || order.dest != 0)) {
order.type = OT_DUMMY;
order.flags = 0;
}
@@ -116,7 +116,7 @@ static Order *AllocateOrder()
/* We don't use FOR_ALL here, because FOR_ALL skips invalid items.
* TODO - This is just a temporary stage, this will be removed. */
for (order = GetOrder(0); order != NULL; order = (order->index + 1U < GetOrderPoolSize()) ? GetOrder(order->index + 1U) : NULL) {
- if (!IsValidOrder(order)) {
+ if (!order->IsValid()) {
OrderID index = order->index;
memset(order, 0, sizeof(*order));
@@ -496,8 +496,7 @@ int32 CmdDeleteOrder(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
}
/* Give the item free */
- order->type = OT_NOTHING;
- order->next = NULL;
+ order->Free();
u = GetFirstVehicleFromSharedList(v);
DeleteOrderWarnings(u);
@@ -871,9 +870,8 @@ void BackupVehicleOrders(const Vehicle *v, BackuppedOrders *bak)
*dest = *order;
dest++;
}
- /* End the list with an OT_NOTHING */
- dest->type = OT_NOTHING;
- dest->next = NULL;
+ /* End the list with an empty order */
+ dest->Free();
}
}
@@ -902,7 +900,7 @@ void RestoreVehicleOrders(const Vehicle* v, const BackuppedOrders* bak)
* order number is one more than the current amount of orders, and because
* in network the commands are queued before send, the second insert always
* fails in test mode. By bypassing the test-mode, that no longer is a problem. */
- for (i = 0; bak->order[i].type != OT_NOTHING; i++) {
+ for (i = 0; bak->order[i].IsValid(); i++) {
if (!DoCommandP(0, v->index + (i << 16), PackOrder(&bak->order[i]), NULL, CMD_INSERT_ORDER | CMD_NO_TEST_IF_IN_NETWORK))
break;
}
@@ -1112,8 +1110,6 @@ bool VehicleHasDepotOrders(const Vehicle *v)
*/
void DeleteVehicleOrders(Vehicle *v)
{
- Order *cur, *next;
-
DeleteOrderWarnings(v);
/* If we have a shared order-list, don't delete the list, but just
@@ -1146,7 +1142,7 @@ void DeleteVehicleOrders(Vehicle *v)
}
/* Remove the orders */
- cur = v->orders;
+ Order *cur = v->orders;
v->orders = NULL;
v->num_orders = 0;
@@ -1162,12 +1158,8 @@ void DeleteVehicleOrders(Vehicle *v)
case VEH_AIRCRAFT: window_class = WC_AIRCRAFT_LIST; break;
}
DeleteWindowById(window_class, (cur->index << 16) | (v->type << 11) | VLW_SHARED_ORDERS | v->owner);
- }
- while (cur != NULL) {
- next = cur->next;
- DeleteOrder(cur);
- cur = next;
+ cur->FreeChain(); // Free the orders.
}
}
@@ -1274,9 +1266,9 @@ static void Load_ORDR()
/* Update all the next pointer */
for (i = 1; i < len; ++i) {
/* The orders were built like this:
- * Vehicle one had order[0], and as long as order++.type was not
- * OT_NOTHING, it was part of the order-list of that vehicle */
- if (GetOrder(i)->type != OT_NOTHING)
+ * While the order is valid, set the previous will get it's next pointer set
+ * We start with index 1 because no order will have the first in it's next pointer */
+ if (GetOrder(i)->IsValid())
GetOrder(i - 1)->next = GetOrder(i);
}
} else {
diff --git a/src/order_gui.cpp b/src/order_gui.cpp
index abfe792dd..167c754f0 100644
--- a/src/order_gui.cpp
+++ b/src/order_gui.cpp
@@ -309,8 +309,7 @@ static Order GetOrderCmdFromTile(const Vehicle *v, TileIndex tile)
}
// not found
- order.type = OT_NOTHING;
- order.flags = 0;
+ order.Free();
order.dest = INVALID_STATION;
return order;
}
@@ -347,7 +346,7 @@ static void OrdersPlaceObj(const Vehicle *v, TileIndex tile, Window *w)
if (u != NULL && HandleOrderVehClick(v, u, w)) return;
cmd = GetOrderCmdFromTile(v, tile);
- if (cmd.type == OT_NOTHING) return;
+ if (!cmd.IsValid()) return;
if (DoCommandP(v->tile, v->index + (OrderGetSel(w) << 16), PackOrder(&cmd), NULL, CMD_INSERT_ORDER | CMD_MSG(STR_8833_CAN_T_INSERT_NEW_ORDER))) {
if (WP(w,order_d).sel != -1) WP(w,order_d).sel++;
diff --git a/src/roadveh_cmd.cpp b/src/roadveh_cmd.cpp
index f056ef6bf..af50dc9b9 100644
--- a/src/roadveh_cmd.cpp
+++ b/src/roadveh_cmd.cpp
@@ -682,8 +682,7 @@ static void ProcessRoadVehOrder(Vehicle *v)
order = GetVehicleOrder(v, v->cur_order_index);
if (order == NULL) {
- v->current_order.type = OT_NOTHING;
- v->current_order.flags = 0;
+ v->current_order.Free();
v->dest_tile = 0;
ClearSlot(v);
return;
@@ -1618,8 +1617,7 @@ again:
v->cur_speed = 0;
return;
}
- v->current_order.type = OT_NOTHING;
- v->current_order.flags = 0;
+ v->current_order.Free();
ClearSlot(v);
}
diff --git a/src/ship_cmd.cpp b/src/ship_cmd.cpp
index 54c1b0cfa..6aa488138 100644
--- a/src/ship_cmd.cpp
+++ b/src/ship_cmd.cpp
@@ -264,8 +264,7 @@ static void ProcessShipOrder(Vehicle *v)
order = GetVehicleOrder(v, v->cur_order_index);
if (order == NULL) {
- v->current_order.type = OT_NOTHING;
- v->current_order.flags = 0;
+ v->current_order.Free();
v->dest_tile = 0;
return;
}
@@ -705,8 +704,7 @@ static void ShipController(Vehicle *v)
/* A leave station order only needs one tick to get processed, so we can
* always skip ahead. */
if (v->current_order.type == OT_LEAVESTATION) {
- v->current_order.type = OT_NOTHING;
- v->current_order.flags = 0;
+ v->current_order.Free();
InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);
} else if (v->dest_tile != 0) {
/* We have a target, let's see if we reached it... */
diff --git a/src/train_cmd.cpp b/src/train_cmd.cpp
index ad511aa07..e00f03e92 100644
--- a/src/train_cmd.cpp
+++ b/src/train_cmd.cpp
@@ -2454,8 +2454,7 @@ static bool ProcessTrainOrder(Vehicle *v)
// If no order, do nothing.
if (order == NULL) {
- v->current_order.type = OT_NOTHING;
- v->current_order.flags = 0;
+ v->current_order.Free();
v->dest_tile = 0;
return false;
}
@@ -2910,8 +2909,7 @@ static void TrainController(Vehicle *v, bool update_image)
}
if (v->current_order.type == OT_LEAVESTATION) {
- v->current_order.type = OT_NOTHING;
- v->current_order.flags = 0;
+ v->current_order.Free();
InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);
}
}