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-rw-r--r--src/autoreplace_cmd.cpp51
-rw-r--r--src/command.cpp8
-rw-r--r--src/order_cmd.cpp38
-rw-r--r--src/order_func.h1
-rw-r--r--src/player_base.h12
-rw-r--r--src/players.cpp18
-rw-r--r--src/vehicle.cpp88
-rw-r--r--src/vehicle_base.h22
8 files changed, 208 insertions, 30 deletions
diff --git a/src/autoreplace_cmd.cpp b/src/autoreplace_cmd.cpp
index 65a53d95d..6d41893bd 100644
--- a/src/autoreplace_cmd.cpp
+++ b/src/autoreplace_cmd.cpp
@@ -206,7 +206,11 @@ static CommandCost ReplaceVehicle(Vehicle **w, byte flags, Money total_cost, con
/* Now we move the old one out of the train */
DoCommand(0, (INVALID_VEHICLE << 16) | old_v->index, 0, DC_EXEC, CMD_MOVE_RAIL_VEHICLE);
/* Add the new vehicle */
- DoCommand(0, (front->index << 16) | new_v->index, 1, DC_EXEC, CMD_MOVE_RAIL_VEHICLE);
+ CommandCost tmp_move = DoCommand(0, (front->index << 16) | new_v->index, 1, DC_EXEC, CMD_MOVE_RAIL_VEHICLE);
+ if (CmdFailed(tmp_move)) {
+ cost.AddCost(tmp_move);
+ DoCommand(0, new_v->index, 1, DC_EXEC, GetCmdSellVeh(VEH_TRAIN));
+ }
}
} else {
// copy/clone the orders
@@ -232,7 +236,11 @@ static CommandCost ReplaceVehicle(Vehicle **w, byte flags, Money total_cost, con
}
if (temp_v != NULL) {
- DoCommand(0, (new_v->index << 16) | temp_v->index, 1, DC_EXEC, CMD_MOVE_RAIL_VEHICLE);
+ CommandCost tmp_move = DoCommand(0, (new_v->index << 16) | temp_v->index, 1, DC_EXEC, CMD_MOVE_RAIL_VEHICLE);
+ if (CmdFailed(tmp_move)) {
+ cost.AddCost(tmp_move);
+ DoCommand(0, temp_v->index, 1, DC_EXEC, GetCmdSellVeh(VEH_TRAIN));
+ }
}
}
}
@@ -363,9 +371,10 @@ static EngineID GetNewEngineType(const Vehicle *v, const Player *p)
CommandCost MaybeReplaceVehicle(Vehicle *v, uint32 flags, bool display_costs)
{
Vehicle *w;
- const Player *p = GetPlayer(v->owner);
+ Player *p = GetPlayer(v->owner);
CommandCost cost;
bool stopped = false;
+ BackuppedVehicle backup(true);
/* We only want "real" vehicle types. */
assert(IsPlayerBuildableVehicleType(v));
@@ -410,11 +419,14 @@ CommandCost MaybeReplaceVehicle(Vehicle *v, uint32 flags, bool display_costs)
EngineID new_engine = GetNewEngineType(w, p);
if (new_engine == INVALID_ENGINE) continue;
+ if (!backup.ContainsBackup()) {
+ /* We are going to try to replace a vehicle but we don't have any backup so we will make one. */
+ backup.Backup(v, p);
+ }
/* Now replace the vehicle */
- cost.AddCost(ReplaceVehicle(&w, flags, cost.GetCost(), p, new_engine));
+ cost.AddCost(ReplaceVehicle(&w, DC_EXEC, cost.GetCost(), p, new_engine));
- if (flags & DC_EXEC &&
- (w->type != VEH_TRAIN || w->u.rail.first_engine == INVALID_ENGINE)) {
+ if (w->type != VEH_TRAIN || w->u.rail.first_engine == INVALID_ENGINE) {
/* now we bought a new engine and sold the old one. We need to fix the
* pointers in order to avoid pointing to the old one for trains: these
* pointers should point to the front engine and not the cars
@@ -423,18 +435,26 @@ CommandCost MaybeReplaceVehicle(Vehicle *v, uint32 flags, bool display_costs)
}
} while (w->type == VEH_TRAIN && (w = GetNextVehicle(w)) != NULL);
+ if (v->type == VEH_TRAIN && p->renew_keep_length) {
+ /* Remove wagons until the wanted length is reached */
+ cost.AddCost(WagonRemoval(v, old_total_length));
+ }
+
if (flags & DC_QUERY_COST || cost.GetCost() == 0) {
/* We didn't do anything during the replace so we will just exit here */
+ v = backup.Restore(v);
if (stopped) v->vehstatus &= ~VS_STOPPED;
return cost;
}
- if (display_costs && !(flags & DC_EXEC)) {
+ if (display_costs) {
/* We want to ensure that we will not get below p->engine_renew_money.
* We will not actually pay this amount. It's for display and checks only. */
- cost.AddCost((Money)p->engine_renew_money);
- if (CmdSucceeded(cost) && GetAvailableMoneyForCommand() < cost.GetCost()) {
+ CommandCost tmp = cost;
+ tmp.AddCost((Money)p->engine_renew_money);
+ if (CmdSucceeded(tmp) && GetAvailableMoneyForCommand() < tmp.GetCost()) {
/* We don't have enough money so we will set cost to failed */
+ cost.AddCost((Money)p->engine_renew_money);
cost.AddCost(CMD_ERROR);
}
}
@@ -457,15 +477,12 @@ CommandCost MaybeReplaceVehicle(Vehicle *v, uint32 flags, bool display_costs)
}
}
- if (flags & DC_EXEC && CmdSucceeded(cost)) {
- if (v->type == VEH_TRAIN && p->renew_keep_length) {
- /* Remove wagons until the wanted length is reached */
- cost.AddCost(WagonRemoval(v, old_total_length));
- }
+ if (display_costs && IsLocalPlayer() && (flags & DC_EXEC) && CmdSucceeded(cost)) {
+ ShowCostOrIncomeAnimation(v->x_pos, v->y_pos, v->z_pos, cost.GetCost());
+ }
- if (display_costs && IsLocalPlayer()) {
- ShowCostOrIncomeAnimation(v->x_pos, v->y_pos, v->z_pos, cost.GetCost());
- }
+ if (!(flags & DC_EXEC) || CmdFailed(cost)) {
+ v = backup.Restore(v);
}
/* Start the vehicle if we stopped it earlier */
diff --git a/src/command.cpp b/src/command.cpp
index 7bf1b8cba..26c380cec 100644
--- a/src/command.cpp
+++ b/src/command.cpp
@@ -542,16 +542,12 @@ bool DoCommandP(TileIndex tile, uint32 p1, uint32 p2, CommandCallback *callback,
* fact will trigger an assertion failure. --pasky
* CMD_CLONE_VEHICLE: Both building new vehicles and refitting them can be
* influenced by newgrf callbacks, which makes it impossible to accurately
- * estimate the cost of cloning a vehicle.
- * CMD_DEPOT_MASS_AUTOREPLACE: we can't predict wagon removal so
- * the test will not include income from any sold wagons.
- * This means that the costs can sometimes be lower than estimated. */
+ * estimate the cost of cloning a vehicle. */
notest =
(cmd & 0xFF) == CMD_CLEAR_AREA ||
(cmd & 0xFF) == CMD_LEVEL_LAND ||
(cmd & 0xFF) == CMD_REMOVE_LONG_ROAD ||
- (cmd & 0xFF) == CMD_CLONE_VEHICLE ||
- (cmd & 0xFF) == CMD_DEPOT_MASS_AUTOREPLACE;
+ (cmd & 0xFF) == CMD_CLONE_VEHICLE;
_docommand_recursive = 1;
diff --git a/src/order_cmd.cpp b/src/order_cmd.cpp
index 59fb9a01f..f9f849a01 100644
--- a/src/order_cmd.cpp
+++ b/src/order_cmd.cpp
@@ -1233,7 +1233,7 @@ void BackupVehicleOrders(const Vehicle *v, BackuppedOrders *bak)
/* Copy the orders */
FOR_VEHICLE_ORDERS(v, order) {
- *dest = *order;
+ memcpy(dest, order, sizeof(Order));
dest++;
}
/* End the list with an empty order */
@@ -1285,6 +1285,42 @@ void RestoreVehicleOrders(const Vehicle *v, const BackuppedOrders *bak)
DoCommandP(0, bak->group, v->index, NULL, CMD_ADD_VEHICLE_GROUP);
}
+/** Restores vehicle orders that was previously backed up by BackupVehicleOrders()
+ * This will restore to the point where it was at the time of the backup meaning
+ * it will presume the same order indexes can be used.
+ * This is needed when restoring a backed up vehicle
+ * @param v The vehicle that should gain the orders
+ * @param bak the backup of the orders
+ */
+void RestoreVehicleOrdersBruteForce(Vehicle *v, const BackuppedOrders *bak)
+{
+ if (bak->name != NULL) {
+ /* Restore the name. */
+ v->name = strdup(bak->name);
+ }
+
+ /* If we had shared orders, recover that */
+ if (bak->clone != INVALID_VEHICLE) {
+ /* We will place it at the same location in the linked list as it previously was. */
+ if (v->prev_shared != NULL) {
+ assert(v->prev_shared->next_shared == v->next_shared);
+ v->prev_shared->next_shared = v;
+ }
+ if (v->next_shared != NULL) {
+ assert(v->next_shared->prev_shared == v->prev_shared);
+ v->next_shared->prev_shared = v;
+ }
+ } else {
+ /* Restore the orders at the indexes they originally were. */
+ for (Order *order = bak->order; order->IsValid(); order++) {
+ Order *dst = GetOrder(order->index);
+ /* Since we are restoring something we removed a moment ago all the orders should be free. */
+ assert(!dst->IsValid());
+ memcpy(dst, order, sizeof(Order));
+ }
+ }
+}
+
/** Restore the current order-index of a vehicle and sets service-interval.
* @param tile unused
* @param flags operation to perform
diff --git a/src/order_func.h b/src/order_func.h
index eec917b4f..8d145da93 100644
--- a/src/order_func.h
+++ b/src/order_func.h
@@ -28,6 +28,7 @@ extern BackuppedOrders _backup_orders_data;
void BackupVehicleOrders(const Vehicle *v, BackuppedOrders *order = &_backup_orders_data);
void RestoreVehicleOrders(const Vehicle *v, const BackuppedOrders *order = &_backup_orders_data);
+void RestoreVehicleOrdersBruteForce(Vehicle *v, const BackuppedOrders *bak);
/* Functions */
void RemoveOrderFromAllVehicles(OrderType type, DestinationID destination);
diff --git a/src/player_base.h b/src/player_base.h
index 2bb3fd56c..cce41eb60 100644
--- a/src/player_base.h
+++ b/src/player_base.h
@@ -73,6 +73,18 @@ struct Player {
uint16 num_engines[TOTAL_NUM_ENGINES]; ///< caches the number of engines of each type the player owns (no need to save this)
};
+struct PlayerMoneyBackup {
+private:
+ Money backup_yearly_expenses[EXPENSES_END];
+ PlayerEconomyEntry backup_cur_economy;
+ Player *p;
+
+public:
+ PlayerMoneyBackup(Player *player);
+
+ void Restore();
+};
+
extern Player _players[MAX_PLAYERS];
#define FOR_ALL_PLAYERS(p) for (p = _players; p != endof(_players); p++)
diff --git a/src/players.cpp b/src/players.cpp
index fc90dc2fb..f4cd472f8 100644
--- a/src/players.cpp
+++ b/src/players.cpp
@@ -208,6 +208,24 @@ bool CheckPlayerHasMoney(CommandCost cost)
return true;
}
+/** Backs up current economic data for a player
+ */
+PlayerMoneyBackup::PlayerMoneyBackup(Player *player)
+{
+ p = player;
+ memcpy(backup_yearly_expenses, p->yearly_expenses, EXPENSES_END * sizeof(Money));
+ backup_cur_economy = p->cur_economy;
+}
+
+/** Restore the economic data from last backup
+ * This should only be used right after Player::BackupEconomy()
+ */
+void PlayerMoneyBackup::Restore()
+{
+ memcpy(p->yearly_expenses, backup_yearly_expenses, EXPENSES_END * sizeof(Money));
+ p->cur_economy = backup_cur_economy;
+}
+
static void SubtractMoneyFromAnyPlayer(Player *p, CommandCost cost)
{
if (cost.GetCost() == 0) return;
diff --git a/src/vehicle.cpp b/src/vehicle.cpp
index ec4908669..03351b149 100644
--- a/src/vehicle.cpp
+++ b/src/vehicle.cpp
@@ -712,12 +712,7 @@ void CallVehicleTicks()
v->leave_depot_instantly = false;
v->vehstatus &= ~VS_STOPPED;
}
-
- CommandCost cost = MaybeReplaceVehicle(v, 0, true);
- if (CmdSucceeded(cost) && cost.GetCost() != 0) {
- /* Looks like we can replace this vehicle so we go ahead and do so */
- MaybeReplaceVehicle(v, DC_EXEC, true);
- }
+ MaybeReplaceVehicle(v, DC_EXEC, true);
v = w;
}
_current_player = OWNER_NONE;
@@ -2689,6 +2684,87 @@ void Vehicle::SetNext(Vehicle *next)
}
}
+/** Backs up a chain of vehicles
+ * @return a pointer to the chain
+ */
+Vehicle* Vehicle::BackupVehicle() const
+{
+ int length = CountVehiclesInChain(this);
+
+ Vehicle *list = MallocT<Vehicle>(length);
+ Vehicle *copy = list; // store the pointer so we have something to return later
+
+ const Vehicle *original = this;
+
+ for (; 0 < length; original = original->next, copy++, length--) {
+ memcpy(copy, original, sizeof(Vehicle));
+ }
+ return list;
+}
+
+/** Restore a backed up row of vehicles
+ * @return a pointer to the first vehicle in chain
+ */
+Vehicle* Vehicle::RestoreBackupVehicle()
+{
+ Vehicle *backup = this;
+
+ Player *p = GetPlayer(backup->owner);
+
+ while (true) {
+ Vehicle *dest = GetVehicle(backup->index);
+ /* The vehicle should be free since we are restoring something we just sold. */
+ assert(!dest->IsValid());
+ memcpy(dest, backup, sizeof(Vehicle));
+
+ /* We decreased the engine count when we sold the engines so we will increase it again. */
+ if (IsEngineCountable(backup)) p->num_engines[backup->engine_type]++;
+
+ Vehicle *dummy = dest;
+ dest->old_new_hash = &dummy;
+ dest->left_coord = INVALID_COORD;
+ UpdateVehiclePosHash(dest, INVALID_COORD, 0);
+
+ if (backup->next == NULL) break;
+ backup++;
+ }
+ return GetVehicle(this->index);
+}
+
+/** Restores a backed up vehicle
+ * @param *v A vehicle we should sell and take the windows from (NULL for not using this)
+ * @return The vehicle we restored (front for trains) or v if we didn't have anything to restore
+ */
+Vehicle *BackuppedVehicle::Restore(Vehicle *v)
+{
+ if (!ContainsBackup()) return v;
+ if (v != NULL) {
+ ChangeVehicleViewWindow(v, INVALID_VEHICLE);
+ DoCommand(0, v->index, 1, DC_EXEC, GetCmdSellVeh(v));
+ }
+ v = this->vehicles->RestoreBackupVehicle();
+ ChangeVehicleViewWindow(INVALID_VEHICLE, v);
+ if (orders != NULL) RestoreVehicleOrdersBruteForce(v, orders);
+ if (economy != NULL) economy->Restore();
+ return v;
+}
+
+/** Backs up a vehicle
+ * This should never be called when the object already contains a backup
+ * @param v the vehicle to backup
+ * @param p If it's set to the vehicle's owner then economy is backed up. If NULL then economy backup will be skipped.
+ */
+void BackuppedVehicle::Backup(const Vehicle *v, Player *p)
+{
+ assert(!ContainsBackup());
+ if (p != NULL) {
+ assert(p->index == v->owner);
+ economy = new PlayerMoneyBackup(p);
+ }
+ vehicles = v->BackupVehicle();
+ if (orders != NULL) BackupVehicleOrders(v, orders);
+}
+
void StopAllVehicles()
{
Vehicle *v;
diff --git a/src/vehicle_base.h b/src/vehicle_base.h
index f89fd9458..d9dabdf58 100644
--- a/src/vehicle_base.h
+++ b/src/vehicle_base.h
@@ -14,6 +14,7 @@
#include "gfx_type.h"
#include "command_type.h"
#include "date_type.h"
+#include "player_base.h"
#include "player_type.h"
#include "oldpool.h"
#include "order_base.h"
@@ -21,6 +22,7 @@
#include "texteff.hpp"
#include "group_type.h"
#include "engine_type.h"
+#include "order_func.h"
/** Road vehicle states */
enum RoadVehicleStates {
@@ -520,6 +522,9 @@ public:
* @return the cost of the depot action.
*/
CommandCost SendToDepot(uint32 flags, DepotCommand command);
+
+ Vehicle* BackupVehicle() const;
+ Vehicle* RestoreBackupVehicle();
};
/**
@@ -649,4 +654,21 @@ Trackdir GetVehicleTrackdir(const Vehicle* v);
void CheckVehicle32Day(Vehicle *v);
+struct BackuppedVehicle {
+private:
+ Vehicle *vehicles;
+ BackuppedOrders *orders;
+ PlayerMoneyBackup *economy;
+
+public:
+ BackuppedVehicle(bool include_orders) : vehicles(NULL), economy(NULL) {
+ orders = include_orders ? new BackuppedOrders() : NULL;
+ }
+ ~BackuppedVehicle() { free(vehicles); delete orders; delete economy; }
+
+ void Backup(const Vehicle *v, Player *p = NULL);
+ Vehicle *Restore(Vehicle *v);
+ bool ContainsBackup() { return vehicles != NULL; }
+};
+
#endif /* VEHICLE_BASE_H */
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2024-12-27 03:09:45 +0000