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Diffstat (limited to 'src/order_cmd.cpp')
-rw-r--r--src/order_cmd.cpp103
1 files changed, 78 insertions, 25 deletions
diff --git a/src/order_cmd.cpp b/src/order_cmd.cpp
index e1985893e..bd84015d2 100644
--- a/src/order_cmd.cpp
+++ b/src/order_cmd.cpp
@@ -468,7 +468,11 @@ CommandCost CmdInsertOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint3
Order new_order(p2);
Vehicle *v = Vehicle::GetIfValid(veh);
- if (v == NULL || !CheckOwnership(v->owner)) return CMD_ERROR;
+ if (v == NULL) return CMD_ERROR;
+
+ CommandCost ret = CheckOwnership(v->owner);
+ ret.SetGlobalErrorMessage();
+ if (ret.Failed()) return ret;
/* Check if the inserted order is to the correct destination (owner, type),
* and has the correct flags if any */
@@ -477,7 +481,11 @@ CommandCost CmdInsertOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint3
const Station *st = Station::GetIfValid(new_order.GetDestination());
if (st == NULL) return CMD_ERROR;
- if (st->owner != OWNER_NONE && !CheckOwnership(st->owner)) return CMD_ERROR;
+ if (st->owner != OWNER_NONE) {
+ CommandCost ret = CheckOwnership(st->owner);
+ ret.SetGlobalErrorMessage();
+ if (ret.Failed()) return ret;
+ }
if (!CanVehicleUseStation(v, st)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER);
for (Vehicle *u = v->FirstShared(); u != NULL; u = u->NextShared()) {
@@ -521,15 +529,23 @@ CommandCost CmdInsertOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint3
if (v->type == VEH_AIRCRAFT) {
const Station *st = Station::GetIfValid(new_order.GetDestination());
- if (st == NULL || !CheckOwnership(st->owner) ||
- !CanVehicleUseStation(v, st) ||
- st->GetAirportSpec()->nof_depots == 0) {
+ if (st == NULL) return CMD_ERROR;
+
+ CommandCost ret = CheckOwnership(st->owner);
+ ret.SetGlobalErrorMessage();
+ if (ret.Failed()) return ret;
+
+ if (!CanVehicleUseStation(v, st) || st->GetAirportSpec()->nof_depots == 0) {
return CMD_ERROR;
}
} else {
const Depot *dp = Depot::GetIfValid(new_order.GetDestination());
- if (dp == NULL || !CheckOwnership(GetTileOwner(dp->xy))) return CMD_ERROR;
+ if (dp == NULL) return CMD_ERROR;
+
+ CommandCost ret = CheckOwnership(GetTileOwner(dp->xy));
+ ret.SetGlobalErrorMessage();
+ if (ret.Failed()) return ret;
switch (v->type) {
case VEH_TRAIN:
@@ -565,14 +581,22 @@ CommandCost CmdInsertOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint3
switch (v->type) {
default: return CMD_ERROR;
- case VEH_TRAIN:
+ case VEH_TRAIN: {
if (!(wp->facilities & FACIL_TRAIN)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER);
- if (!CheckOwnership(wp->owner)) return CMD_ERROR;
+
+ CommandCost ret = CheckOwnership(wp->owner);
+ ret.SetGlobalErrorMessage();
+ if (ret.Failed()) return ret;
break;
+ }
case VEH_SHIP:
if (!(wp->facilities & FACIL_DOCK)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER);
- if (!CheckOwnership(wp->owner) && wp->owner != OWNER_NONE) return CMD_ERROR;
+ if (wp->owner != OWNER_NONE) {
+ CommandCost ret = CheckOwnership(wp->owner);
+ ret.SetGlobalErrorMessage();
+ if (ret.Failed()) return ret;
+ }
break;
}
@@ -729,7 +753,11 @@ CommandCost CmdDeleteOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint3
Vehicle *v = Vehicle::GetIfValid(veh_id);
- if (v == NULL || !CheckOwnership(v->owner)) return CMD_ERROR;
+ if (v == NULL) return CMD_ERROR;
+
+ CommandCost ret = CheckOwnership(v->owner);
+ ret.SetGlobalErrorMessage();
+ if (ret.Failed()) return ret;
/* If we did not select an order, we maybe want to de-clone the orders */
if (sel_ord >= v->GetNumOrders())
@@ -795,10 +823,11 @@ CommandCost CmdSkipToOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint3
Vehicle *v = Vehicle::GetIfValid(veh_id);
- if (v == NULL || !CheckOwnership(v->owner) || sel_ord == v->cur_order_index ||
- sel_ord >= v->GetNumOrders() || v->GetNumOrders() < 2) {
- return CMD_ERROR;
- }
+ if (v == NULL || sel_ord == v->cur_order_index || sel_ord >= v->GetNumOrders() || v->GetNumOrders() < 2) return CMD_ERROR;
+
+ CommandCost ret = CheckOwnership(v->owner);
+ ret.SetGlobalErrorMessage();
+ if (ret.Failed()) return ret;
if (flags & DC_EXEC) {
v->cur_order_index = sel_ord;
@@ -835,7 +864,11 @@ CommandCost CmdMoveOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32
VehicleOrderID target_order = GB(p2, 16, 16);
Vehicle *v = Vehicle::GetIfValid(veh);
- if (v == NULL || !CheckOwnership(v->owner)) return CMD_ERROR;
+ if (v == NULL) return CMD_ERROR;
+
+ CommandCost ret = CheckOwnership(v->owner);
+ ret.SetGlobalErrorMessage();
+ if (ret.Failed()) return ret;
/* Don't make senseless movements */
if (moving_order >= v->GetNumOrders() || target_order >= v->GetNumOrders() ||
@@ -916,7 +949,11 @@ CommandCost CmdModifyOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint3
if (mof >= MOF_END) return CMD_ERROR;
Vehicle *v = Vehicle::GetIfValid(veh);
- if (v == NULL || !CheckOwnership(v->owner)) return CMD_ERROR;
+ if (v == NULL) return CMD_ERROR;
+
+ CommandCost ret = CheckOwnership(v->owner);
+ ret.SetGlobalErrorMessage();
+ if (ret.Failed()) return ret;
/* Is it a valid order? */
if (sel_ord >= v->GetNumOrders()) return CMD_ERROR;
@@ -1139,17 +1176,22 @@ CommandCost CmdCloneOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32
VehicleID veh_dst = GB(p1, 0, 16);
Vehicle *dst = Vehicle::GetIfValid(veh_dst);
+ if (dst == NULL) return CMD_ERROR;
- if (dst == NULL || !CheckOwnership(dst->owner)) return CMD_ERROR;
+ CommandCost ret = CheckOwnership(dst->owner);
+ ret.SetGlobalErrorMessage();
+ if (ret.Failed()) return ret;
switch (p2) {
case CO_SHARE: {
Vehicle *src = Vehicle::GetIfValid(veh_src);
/* Sanity checks */
- if (src == NULL || !CheckOwnership(src->owner) || dst->type != src->type || dst == src) {
- return CMD_ERROR;
- }
+ if (src == NULL || dst->type != src->type || dst == src) return CMD_ERROR;
+
+ CommandCost ret = CheckOwnership(src->owner);
+ ret.SetGlobalErrorMessage();
+ if (ret.Failed()) return ret;
/* Trucks can't share orders with busses (and visa versa) */
if (src->type == VEH_ROAD && RoadVehicle::From(src)->IsBus() != RoadVehicle::From(dst)->IsBus()) {
@@ -1188,9 +1230,11 @@ CommandCost CmdCloneOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32
Vehicle *src = Vehicle::GetIfValid(veh_src);
/* Sanity checks */
- if (src == NULL || !CheckOwnership(src->owner) || dst->type != src->type || dst == src) {
- return CMD_ERROR;
- }
+ if (src == NULL || dst->type != src->type || dst == src) return CMD_ERROR;
+
+ CommandCost ret = CheckOwnership(src->owner);
+ ret.SetGlobalErrorMessage();
+ if (ret.Failed()) return ret;
/* Trucks can't copy all the orders from busses (and visa versa),
* and neither can helicopters and aircarft. */
@@ -1264,7 +1308,11 @@ CommandCost CmdOrderRefit(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32
byte subtype = GB(p2, 8, 8);
const Vehicle *v = Vehicle::GetIfValid(veh);
- if (v == NULL || !CheckOwnership(v->owner)) return CMD_ERROR;
+ if (v == NULL) return CMD_ERROR;
+
+ CommandCost ret = CheckOwnership(v->owner);
+ ret.SetGlobalErrorMessage();
+ if (ret.Failed()) return ret;
Order *order = v->GetOrder(order_number);
if (order == NULL) return CMD_ERROR;
@@ -1416,7 +1464,12 @@ CommandCost CmdRestoreOrderIndex(TileIndex tile, DoCommandFlag flags, uint32 p1,
Vehicle *v = Vehicle::GetIfValid(p1);
/* Check the vehicle type and ownership, and if the service interval and order are in range */
- if (v == NULL || !CheckOwnership(v->owner)) return CMD_ERROR;
+ if (v == NULL) return CMD_ERROR;
+
+ CommandCost ret = CheckOwnership(v->owner);
+ ret.SetGlobalErrorMessage();
+ if (ret.Failed()) return ret;
+
if (serv_int != GetServiceIntervalClamped(serv_int, v->owner) || cur_ord >= v->GetNumOrders()) return CMD_ERROR;
if (flags & DC_EXEC) {
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2024-12-19 23:36:58 +0000