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00012 #include "ai_vehicle.hpp"
00013 #include "../ai_instance.hpp"
00014 #include "../../debug.h"
00015 #include "../../vehicle_base.h"
00016 #include "../../roadstop_base.h"
00017 #include "../../depot_base.h"
00018 #include "../../station_base.h"
00019 #include "../../waypoint_base.h"
00020
00026 static OrderType GetOrderTypeByTile(TileIndex t)
00027 {
00028 if (!::IsValidTile(t)) return OT_END;
00029
00030 switch (::GetTileType(t)) {
00031 default: break;
00032 case MP_STATION:
00033 if (IsBuoy(t) || IsRailWaypoint(t)) return OT_GOTO_WAYPOINT;
00034 if (IsHangar(t)) return OT_GOTO_DEPOT;
00035 return OT_GOTO_STATION;
00036
00037 case MP_WATER: if (::IsShipDepot(t)) return OT_GOTO_DEPOT; break;
00038 case MP_ROAD: if (::GetRoadTileType(t) == ROAD_TILE_DEPOT) return OT_GOTO_DEPOT; break;
00039 case MP_RAILWAY:
00040 if (IsRailDepot(t)) return OT_GOTO_DEPOT;
00041 break;
00042 }
00043
00044 return OT_END;
00045 }
00046
00047 bool AIOrder::IsValidVehicleOrder(VehicleID vehicle_id, OrderPosition order_position)
00048 {
00049 return AIVehicle::IsValidVehicle(vehicle_id) && order_position >= 0 && (order_position < ::Vehicle::Get(vehicle_id)->GetNumOrders() || order_position == ORDER_CURRENT);
00050 }
00051
00057 static const Order *ResolveOrder(VehicleID vehicle_id, AIOrder::OrderPosition order_position)
00058 {
00059 const Vehicle *v = ::Vehicle::Get(vehicle_id);
00060 if (order_position == AIOrder::ORDER_CURRENT) {
00061 const Order *order = &v->current_order;
00062 if (order->GetType() == OT_GOTO_DEPOT && !(order->GetDepotOrderType() & ODTFB_PART_OF_ORDERS)) return order;
00063 order_position = AIOrder::ResolveOrderPosition(vehicle_id, order_position);
00064 if (order_position == AIOrder::ORDER_INVALID) return NULL;
00065 }
00066 return v->GetOrder(order_position);
00067 }
00068
00069 bool AIOrder::IsGotoStationOrder(VehicleID vehicle_id, OrderPosition order_position)
00070 {
00071 if (!IsValidVehicleOrder(vehicle_id, order_position)) return false;
00072
00073 const Order *order = ::ResolveOrder(vehicle_id, order_position);
00074 return order != NULL && order->GetType() == OT_GOTO_STATION;
00075 }
00076
00077 bool AIOrder::IsGotoDepotOrder(VehicleID vehicle_id, OrderPosition order_position)
00078 {
00079 if (!IsValidVehicleOrder(vehicle_id, order_position)) return false;
00080
00081 const Order *order = ::ResolveOrder(vehicle_id, order_position);
00082 return order != NULL && order->GetType() == OT_GOTO_DEPOT;
00083 }
00084
00085 bool AIOrder::IsGotoWaypointOrder(VehicleID vehicle_id, OrderPosition order_position)
00086 {
00087 if (!IsValidVehicleOrder(vehicle_id, order_position)) return false;
00088
00089 const Order *order = ::ResolveOrder(vehicle_id, order_position);
00090 return order != NULL && order->GetType() == OT_GOTO_WAYPOINT;
00091 }
00092
00093 bool AIOrder::IsConditionalOrder(VehicleID vehicle_id, OrderPosition order_position)
00094 {
00095 if (order_position == ORDER_CURRENT) return false;
00096 if (!IsValidVehicleOrder(vehicle_id, order_position)) return false;
00097
00098 const Order *order = Vehicle::Get(vehicle_id)->GetOrder(order_position);
00099 return order->GetType() == OT_CONDITIONAL;
00100 }
00101
00102 bool AIOrder::IsVoidOrder(VehicleID vehicle_id, OrderPosition order_position)
00103 {
00104 if (order_position == ORDER_CURRENT) return false;
00105 if (!IsValidVehicleOrder(vehicle_id, order_position)) return false;
00106
00107 const Order *order = Vehicle::Get(vehicle_id)->GetOrder(order_position);
00108 return order->GetType() == OT_DUMMY;
00109 }
00110
00111 bool AIOrder::IsCurrentOrderPartOfOrderList(VehicleID vehicle_id)
00112 {
00113 if (AIVehicle::IsValidVehicle(vehicle_id)) return false;
00114 if (GetOrderCount(vehicle_id) == 0) return false;
00115
00116 const Order *order = &::Vehicle::Get(vehicle_id)->current_order;
00117 if (order->GetType() != OT_GOTO_DEPOT) return true;
00118 return (order->GetDepotOrderType() & ODTFB_PART_OF_ORDERS) != 0;
00119 }
00120
00121 AIOrder::OrderPosition AIOrder::ResolveOrderPosition(VehicleID vehicle_id, OrderPosition order_position)
00122 {
00123 if (!AIVehicle::IsValidVehicle(vehicle_id)) return ORDER_INVALID;
00124
00125 if (order_position == ORDER_CURRENT) return (AIOrder::OrderPosition)::Vehicle::Get(vehicle_id)->cur_order_index;
00126 return (order_position >= 0 && order_position < ::Vehicle::Get(vehicle_id)->GetNumOrders()) ? order_position : ORDER_INVALID;
00127 }
00128
00129
00130 bool AIOrder::AreOrderFlagsValid(TileIndex destination, AIOrderFlags order_flags)
00131 {
00132 OrderType ot = (order_flags & AIOF_GOTO_NEAREST_DEPOT) ? OT_GOTO_DEPOT : ::GetOrderTypeByTile(destination);
00133 switch (ot) {
00134 case OT_GOTO_STATION:
00135 return (order_flags & ~(AIOF_NON_STOP_FLAGS | AIOF_UNLOAD_FLAGS | AIOF_LOAD_FLAGS)) == 0 &&
00136
00137 ((order_flags & AIOF_TRANSFER) == 0 || (order_flags & AIOF_UNLOAD) == 0) &&
00138 ((order_flags & AIOF_TRANSFER) == 0 || (order_flags & AIOF_NO_UNLOAD) == 0) &&
00139 ((order_flags & AIOF_UNLOAD) == 0 || (order_flags & AIOF_NO_UNLOAD) == 0) &&
00140 ((order_flags & AIOF_UNLOAD) == 0 || (order_flags & AIOF_NO_UNLOAD) == 0) &&
00141 ((order_flags & AIOF_NO_UNLOAD) == 0 || (order_flags & AIOF_NO_LOAD) == 0) &&
00142 ((order_flags & AIOF_FULL_LOAD_ANY) == 0 || (order_flags & AIOF_NO_LOAD) == 0);
00143
00144 case OT_GOTO_DEPOT:
00145 return (order_flags & ~(AIOF_NON_STOP_FLAGS | AIOF_DEPOT_FLAGS)) == 0 &&
00146 ((order_flags & AIOF_SERVICE_IF_NEEDED) == 0 || (order_flags & AIOF_STOP_IN_DEPOT) == 0);
00147
00148 case OT_GOTO_WAYPOINT: return (order_flags & ~(AIOF_NON_STOP_FLAGS)) == 0;
00149 default: return false;
00150 }
00151 }
00152
00153 bool AIOrder::IsValidConditionalOrder(OrderCondition condition, CompareFunction compare)
00154 {
00155 switch (condition) {
00156 case OC_LOAD_PERCENTAGE:
00157 case OC_RELIABILITY:
00158 case OC_MAX_SPEED:
00159 case OC_AGE:
00160 return compare >= CF_EQUALS && compare <= CF_MORE_EQUALS;
00161
00162 case OC_REQUIRES_SERVICE:
00163 return compare == CF_IS_TRUE || compare == CF_IS_FALSE;
00164
00165 case OC_UNCONDITIONALLY:
00166 return true;
00167
00168 default: return false;
00169 }
00170 }
00171
00172 int32 AIOrder::GetOrderCount(VehicleID vehicle_id)
00173 {
00174 return AIVehicle::IsValidVehicle(vehicle_id) ? ::Vehicle::Get(vehicle_id)->GetNumOrders() : -1;
00175 }
00176
00177 TileIndex AIOrder::GetOrderDestination(VehicleID vehicle_id, OrderPosition order_position)
00178 {
00179 if (!IsValidVehicleOrder(vehicle_id, order_position)) return INVALID_TILE;
00180
00181 const Order *order = ::ResolveOrder(vehicle_id, order_position);
00182 if (order == NULL || order->GetType() == OT_CONDITIONAL) return INVALID_TILE;
00183 const Vehicle *v = ::Vehicle::Get(vehicle_id);
00184
00185 switch (order->GetType()) {
00186 case OT_GOTO_DEPOT: {
00187
00188 if (order->GetDepotActionType() & ODATFB_NEAREST_DEPOT) return INVALID_TILE;
00189
00190 if (v->type != VEH_AIRCRAFT) return ::Depot::Get(order->GetDestination())->xy;
00191
00192 const Station *st = ::Station::Get(order->GetDestination());
00193 if (!st->airport.HasHangar()) return INVALID_TILE;
00194 return st->airport.GetHangarTile(0);
00195 }
00196
00197 case OT_GOTO_STATION: {
00198 const Station *st = ::Station::Get(order->GetDestination());
00199 if (st->train_station.tile != INVALID_TILE) {
00200 TILE_AREA_LOOP(t, st->train_station) {
00201 if (st->TileBelongsToRailStation(t)) return t;
00202 }
00203 } else if (st->dock_tile != INVALID_TILE) {
00204 return st->dock_tile;
00205 } else if (st->bus_stops != NULL) {
00206 return st->bus_stops->xy;
00207 } else if (st->truck_stops != NULL) {
00208 return st->truck_stops->xy;
00209 } else if (st->airport.tile != INVALID_TILE) {
00210 TILE_AREA_LOOP(tile, st->airport) {
00211 if (st->TileBelongsToAirport(tile) && !::IsHangar(tile)) return tile;
00212 }
00213 }
00214 return INVALID_TILE;
00215 }
00216
00217 case OT_GOTO_WAYPOINT: {
00218 const Waypoint *wp = ::Waypoint::Get(order->GetDestination());
00219 if (wp->train_station.tile != INVALID_TILE) {
00220 TILE_AREA_LOOP(t, wp->train_station) {
00221 if (wp->TileBelongsToRailStation(t)) return t;
00222 }
00223 }
00224
00225 return wp->xy;
00226 }
00227 default: return INVALID_TILE;
00228 }
00229 }
00230
00231 AIOrder::AIOrderFlags AIOrder::GetOrderFlags(VehicleID vehicle_id, OrderPosition order_position)
00232 {
00233 if (!IsValidVehicleOrder(vehicle_id, order_position)) return AIOF_INVALID;
00234
00235 const Order *order = ::ResolveOrder(vehicle_id, order_position);
00236 if (order == NULL || order->GetType() == OT_CONDITIONAL || order->GetType() == OT_DUMMY) return AIOF_INVALID;
00237
00238 AIOrderFlags order_flags = AIOF_NONE;
00239 order_flags |= (AIOrderFlags)order->GetNonStopType();
00240 switch (order->GetType()) {
00241 case OT_GOTO_DEPOT:
00242 if (order->GetDepotOrderType() & ODTFB_SERVICE) order_flags |= AIOF_SERVICE_IF_NEEDED;
00243 if (order->GetDepotActionType() & ODATFB_HALT) order_flags |= AIOF_STOP_IN_DEPOT;
00244 if (order->GetDepotActionType() & ODATFB_NEAREST_DEPOT) order_flags |= AIOF_GOTO_NEAREST_DEPOT;
00245 break;
00246
00247 case OT_GOTO_STATION:
00248 order_flags |= (AIOrderFlags)(order->GetLoadType() << 5);
00249 order_flags |= (AIOrderFlags)(order->GetUnloadType() << 2);
00250 break;
00251
00252 default: break;
00253 }
00254
00255 return order_flags;
00256 }
00257
00258 AIOrder::OrderPosition AIOrder::GetOrderJumpTo(VehicleID vehicle_id, OrderPosition order_position)
00259 {
00260 if (!IsValidVehicleOrder(vehicle_id, order_position)) return ORDER_INVALID;
00261 if (order_position == ORDER_CURRENT || !IsConditionalOrder(vehicle_id, order_position)) return ORDER_INVALID;
00262
00263 const Order *order = Vehicle::Get(vehicle_id)->GetOrder(order_position);
00264 return (OrderPosition)order->GetConditionSkipToOrder();
00265 }
00266
00267 AIOrder::OrderCondition AIOrder::GetOrderCondition(VehicleID vehicle_id, OrderPosition order_position)
00268 {
00269 if (!IsValidVehicleOrder(vehicle_id, order_position)) return OC_INVALID;
00270 if (order_position == ORDER_CURRENT || !IsConditionalOrder(vehicle_id, order_position)) return OC_INVALID;
00271
00272 const Order *order = Vehicle::Get(vehicle_id)->GetOrder(order_position);
00273 return (OrderCondition)order->GetConditionVariable();
00274 }
00275
00276 AIOrder::CompareFunction AIOrder::GetOrderCompareFunction(VehicleID vehicle_id, OrderPosition order_position)
00277 {
00278 if (!IsValidVehicleOrder(vehicle_id, order_position)) return CF_INVALID;
00279 if (order_position == ORDER_CURRENT || !IsConditionalOrder(vehicle_id, order_position)) return CF_INVALID;
00280
00281 const Order *order = Vehicle::Get(vehicle_id)->GetOrder(order_position);
00282 return (CompareFunction)order->GetConditionComparator();
00283 }
00284
00285 int32 AIOrder::GetOrderCompareValue(VehicleID vehicle_id, OrderPosition order_position)
00286 {
00287 if (!IsValidVehicleOrder(vehicle_id, order_position)) return -1;
00288 if (order_position == ORDER_CURRENT || !IsConditionalOrder(vehicle_id, order_position)) return -1;
00289
00290 const Order *order = Vehicle::Get(vehicle_id)->GetOrder(order_position);
00291 int32 value = order->GetConditionValue();
00292 if (order->GetConditionVariable() == OCV_MAX_SPEED) value = value * 16 / 10;
00293 return value;
00294 }
00295
00296 AIOrder::StopLocation AIOrder::GetStopLocation(VehicleID vehicle_id, OrderPosition order_position)
00297 {
00298 if (!IsValidVehicleOrder(vehicle_id, order_position)) return STOPLOCATION_INVALID;
00299 if (AIVehicle::GetVehicleType(vehicle_id) != AIVehicle::VT_RAIL) return STOPLOCATION_INVALID;
00300 if (!IsGotoStationOrder(vehicle_id, order_position)) return STOPLOCATION_INVALID;
00301
00302 const Order *order = Vehicle::Get(vehicle_id)->GetOrder(order_position);
00303 return (AIOrder::StopLocation)order->GetStopLocation();
00304 }
00305
00306 bool AIOrder::SetOrderJumpTo(VehicleID vehicle_id, OrderPosition order_position, OrderPosition jump_to)
00307 {
00308 EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position));
00309 EnforcePrecondition(false, order_position != ORDER_CURRENT && IsConditionalOrder(vehicle_id, order_position));
00310 EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, jump_to) && jump_to != ORDER_CURRENT);
00311
00312 return AIObject::DoCommand(0, vehicle_id | (order_position << 20), MOF_COND_DESTINATION | (jump_to << 4), CMD_MODIFY_ORDER);
00313 }
00314
00315 bool AIOrder::SetOrderCondition(VehicleID vehicle_id, OrderPosition order_position, OrderCondition condition)
00316 {
00317 EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position));
00318 EnforcePrecondition(false, order_position != ORDER_CURRENT && IsConditionalOrder(vehicle_id, order_position));
00319 EnforcePrecondition(false, condition >= OC_LOAD_PERCENTAGE && condition <= OC_UNCONDITIONALLY);
00320
00321 return AIObject::DoCommand(0, vehicle_id | (order_position << 20), MOF_COND_VARIABLE | (condition << 4), CMD_MODIFY_ORDER);
00322 }
00323
00324 bool AIOrder::SetOrderCompareFunction(VehicleID vehicle_id, OrderPosition order_position, CompareFunction compare)
00325 {
00326 EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position));
00327 EnforcePrecondition(false, order_position != ORDER_CURRENT && IsConditionalOrder(vehicle_id, order_position));
00328 EnforcePrecondition(false, compare >= CF_EQUALS && compare <= CF_IS_FALSE);
00329
00330 return AIObject::DoCommand(0, vehicle_id | (order_position << 20), MOF_COND_COMPARATOR | (compare << 4), CMD_MODIFY_ORDER);
00331 }
00332
00333 bool AIOrder::SetOrderCompareValue(VehicleID vehicle_id, OrderPosition order_position, int32 value)
00334 {
00335 EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position));
00336 EnforcePrecondition(false, order_position != ORDER_CURRENT && IsConditionalOrder(vehicle_id, order_position));
00337 EnforcePrecondition(false, value >= 0 && value < 2048);
00338 if (GetOrderCondition(vehicle_id, order_position) == OC_MAX_SPEED) value = value * 10 / 16;
00339
00340 return AIObject::DoCommand(0, vehicle_id | (order_position << 20), MOF_COND_VALUE | (value << 4), CMD_MODIFY_ORDER);
00341 }
00342
00343 bool AIOrder::SetStopLocation(VehicleID vehicle_id, OrderPosition order_position, StopLocation stop_location)
00344 {
00345 EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position));
00346 EnforcePrecondition(false, AIVehicle::GetVehicleType(vehicle_id) == AIVehicle::VT_RAIL);
00347 EnforcePrecondition(false, IsGotoStationOrder(vehicle_id, order_position));
00348 EnforcePrecondition(false, stop_location >= STOPLOCATION_NEAR && stop_location <= STOPLOCATION_FAR);
00349
00350 uint32 p1 = vehicle_id | (order_position << 20);
00351 uint32 p2 = MOF_STOP_LOCATION | (stop_location << 4);
00352 return AIObject::DoCommand(0, p1, p2, CMD_MODIFY_ORDER);
00353 }
00354
00355 bool AIOrder::AppendOrder(VehicleID vehicle_id, TileIndex destination, AIOrderFlags order_flags)
00356 {
00357 EnforcePrecondition(false, AIVehicle::IsValidVehicle(vehicle_id));
00358 EnforcePrecondition(false, AreOrderFlagsValid(destination, order_flags));
00359
00360 return InsertOrder(vehicle_id, (AIOrder::OrderPosition)::Vehicle::Get(vehicle_id)->GetNumOrders(), destination, order_flags);
00361 }
00362
00363 bool AIOrder::AppendConditionalOrder(VehicleID vehicle_id, OrderPosition jump_to)
00364 {
00365 EnforcePrecondition(false, AIVehicle::IsValidVehicle(vehicle_id));
00366 EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, jump_to));
00367
00368 return InsertConditionalOrder(vehicle_id, (AIOrder::OrderPosition)::Vehicle::Get(vehicle_id)->GetNumOrders(), jump_to);
00369 }
00370
00371 bool AIOrder::InsertOrder(VehicleID vehicle_id, OrderPosition order_position, TileIndex destination, AIOrder::AIOrderFlags order_flags)
00372 {
00373
00374 if (order_position == ORDER_CURRENT) order_position = AIOrder::ResolveOrderPosition(vehicle_id, order_position);
00375
00376 EnforcePrecondition(false, AIVehicle::IsValidVehicle(vehicle_id));
00377 EnforcePrecondition(false, order_position >= 0 && order_position <= ::Vehicle::Get(vehicle_id)->GetNumOrders());
00378 EnforcePrecondition(false, AreOrderFlagsValid(destination, order_flags));
00379
00380 Order order;
00381 OrderType ot = (order_flags & AIOF_GOTO_NEAREST_DEPOT) ? OT_GOTO_DEPOT : ::GetOrderTypeByTile(destination);
00382 switch (ot) {
00383 case OT_GOTO_DEPOT: {
00384 OrderDepotTypeFlags odtf = (OrderDepotTypeFlags)(ODTFB_PART_OF_ORDERS | ((order_flags & AIOF_SERVICE_IF_NEEDED) ? ODTFB_SERVICE : 0));
00385 OrderDepotActionFlags odaf = (OrderDepotActionFlags)(ODATF_SERVICE_ONLY | ((order_flags & AIOF_STOP_IN_DEPOT) ? ODATFB_HALT : 0));
00386 if (order_flags & AIOF_GOTO_NEAREST_DEPOT) odaf |= ODATFB_NEAREST_DEPOT;
00387 OrderNonStopFlags onsf = (OrderNonStopFlags)((order_flags & AIOF_NON_STOP_INTERMEDIATE) ? ONSF_NO_STOP_AT_INTERMEDIATE_STATIONS : ONSF_STOP_EVERYWHERE);
00388 if (order_flags & AIOF_GOTO_NEAREST_DEPOT) {
00389 order.MakeGoToDepot(0, odtf, onsf, odaf);
00390 } else {
00391
00392
00393 if (::Vehicle::Get(vehicle_id)->type == VEH_AIRCRAFT) {
00394 if (!::IsTileType(destination, MP_STATION)) return false;
00395 order.MakeGoToDepot(::GetStationIndex(destination), odtf, onsf, odaf);
00396 } else {
00397 if (::IsTileType(destination, MP_STATION)) return false;
00398 order.MakeGoToDepot(::GetDepotIndex(destination), odtf, onsf, odaf);
00399 }
00400 }
00401 break;
00402 }
00403
00404 case OT_GOTO_STATION:
00405 order.MakeGoToStation(::GetStationIndex(destination));
00406 order.SetLoadType((OrderLoadFlags)GB(order_flags, 5, 3));
00407 order.SetUnloadType((OrderUnloadFlags)GB(order_flags, 2, 3));
00408 order.SetStopLocation(OSL_PLATFORM_FAR_END);
00409 break;
00410
00411 case OT_GOTO_WAYPOINT:
00412 order.MakeGoToWaypoint(::GetStationIndex(destination));
00413 break;
00414
00415 default:
00416 return false;
00417 }
00418
00419 order.SetNonStopType((OrderNonStopFlags)GB(order_flags, 0, 2));
00420
00421 return AIObject::DoCommand(0, vehicle_id | (order_position << 20), order.Pack(), CMD_INSERT_ORDER);
00422 }
00423
00424 bool AIOrder::InsertConditionalOrder(VehicleID vehicle_id, OrderPosition order_position, OrderPosition jump_to)
00425 {
00426
00427 if (order_position == ORDER_CURRENT) order_position = AIOrder::ResolveOrderPosition(vehicle_id, order_position);
00428
00429 EnforcePrecondition(false, AIVehicle::IsValidVehicle(vehicle_id));
00430 EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, jump_to));
00431
00432 Order order;
00433 order.MakeConditional(jump_to);
00434
00435 return AIObject::DoCommand(0, vehicle_id | (order_position << 20), order.Pack(), CMD_INSERT_ORDER);
00436 }
00437
00438 bool AIOrder::RemoveOrder(VehicleID vehicle_id, OrderPosition order_position)
00439 {
00440 order_position = AIOrder::ResolveOrderPosition(vehicle_id, order_position);
00441
00442 EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position));
00443
00444 return AIObject::DoCommand(0, vehicle_id, order_position, CMD_DELETE_ORDER);
00445 }
00446
00447 bool AIOrder::SkipToOrder(VehicleID vehicle_id, OrderPosition next_order)
00448 {
00449 next_order = AIOrder::ResolveOrderPosition(vehicle_id, next_order);
00450
00451 EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, next_order));
00452
00453 return AIObject::DoCommand(0, vehicle_id, next_order, CMD_SKIP_TO_ORDER);
00454 }
00455
00464 static void _DoCommandReturnSetOrderFlags(class AIInstance *instance)
00465 {
00466 AIObject::SetLastCommandRes(AIOrder::_SetOrderFlags());
00467 AIInstance::DoCommandReturn(instance);
00468 }
00469
00470 bool AIOrder::_SetOrderFlags()
00471 {
00472
00473 int retry = AIObject::GetCallbackVariable(3) - 1;
00474 if (retry < 0) {
00475 DEBUG(ai, 0, "Possible infinite loop in SetOrderFlags() detected");
00476 return false;
00477 }
00478 AIObject::SetCallbackVariable(3, retry);
00479
00480 VehicleID vehicle_id = (VehicleID)AIObject::GetCallbackVariable(0);
00481 OrderPosition order_position = (OrderPosition)AIObject::GetCallbackVariable(1);
00482 AIOrderFlags order_flags = (AIOrderFlags)AIObject::GetCallbackVariable(2);
00483
00484 order_position = AIOrder::ResolveOrderPosition(vehicle_id, order_position);
00485
00486 EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position));
00487 EnforcePrecondition(false, AreOrderFlagsValid(GetOrderDestination(vehicle_id, order_position), order_flags));
00488
00489 const Order *order = Vehicle::Get(vehicle_id)->GetOrder(order_position);
00490
00491 AIOrderFlags current = GetOrderFlags(vehicle_id, order_position);
00492
00493 if ((current & AIOF_NON_STOP_FLAGS) != (order_flags & AIOF_NON_STOP_FLAGS)) {
00494 return AIObject::DoCommand(0, vehicle_id | (order_position << 20), (order_flags & AIOF_NON_STOP_FLAGS) << 4 | MOF_NON_STOP, CMD_MODIFY_ORDER, NULL, &_DoCommandReturnSetOrderFlags);
00495 }
00496
00497 switch (order->GetType()) {
00498 case OT_GOTO_DEPOT:
00499 if ((current & AIOF_DEPOT_FLAGS) != (order_flags & AIOF_DEPOT_FLAGS)) {
00500 uint data = DA_ALWAYS_GO;
00501 if (order_flags & AIOF_SERVICE_IF_NEEDED) data = DA_SERVICE;
00502 if (order_flags & AIOF_STOP_IN_DEPOT) data = DA_STOP;
00503 return AIObject::DoCommand(0, vehicle_id | (order_position << 20), (data << 4) | MOF_DEPOT_ACTION, CMD_MODIFY_ORDER, NULL, &_DoCommandReturnSetOrderFlags);
00504 }
00505 break;
00506
00507 case OT_GOTO_STATION:
00508 if ((current & AIOF_UNLOAD_FLAGS) != (order_flags & AIOF_UNLOAD_FLAGS)) {
00509 return AIObject::DoCommand(0, vehicle_id | (order_position << 20), (order_flags & AIOF_UNLOAD_FLAGS) << 2 | MOF_UNLOAD, CMD_MODIFY_ORDER, NULL, &_DoCommandReturnSetOrderFlags);
00510 }
00511 if ((current & AIOF_LOAD_FLAGS) != (order_flags & AIOF_LOAD_FLAGS)) {
00512 return AIObject::DoCommand(0, vehicle_id | (order_position << 20), (order_flags & AIOF_LOAD_FLAGS) >> 1 | MOF_LOAD, CMD_MODIFY_ORDER, NULL, &_DoCommandReturnSetOrderFlags);
00513 }
00514 break;
00515
00516 default: break;
00517 }
00518
00519 assert(GetOrderFlags(vehicle_id, order_position) == order_flags);
00520
00521 return true;
00522 }
00523
00524 bool AIOrder::SetOrderFlags(VehicleID vehicle_id, OrderPosition order_position, AIOrder::AIOrderFlags order_flags)
00525 {
00526 AIObject::SetCallbackVariable(0, vehicle_id);
00527 AIObject::SetCallbackVariable(1, order_position);
00528 AIObject::SetCallbackVariable(2, order_flags);
00529
00530
00531 AIObject::SetCallbackVariable(3, 8);
00532 return AIOrder::_SetOrderFlags();
00533 }
00534
00535 bool AIOrder::MoveOrder(VehicleID vehicle_id, OrderPosition order_position_move, OrderPosition order_position_target)
00536 {
00537 order_position_move = AIOrder::ResolveOrderPosition(vehicle_id, order_position_move);
00538 order_position_target = AIOrder::ResolveOrderPosition(vehicle_id, order_position_target);
00539
00540 EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position_move));
00541 EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position_target));
00542
00543 return AIObject::DoCommand(0, vehicle_id, order_position_move | (order_position_target << 16), CMD_MOVE_ORDER);
00544 }
00545
00546 bool AIOrder::CopyOrders(VehicleID vehicle_id, VehicleID main_vehicle_id)
00547 {
00548 EnforcePrecondition(false, AIVehicle::IsValidVehicle(vehicle_id));
00549 EnforcePrecondition(false, AIVehicle::IsValidVehicle(main_vehicle_id));
00550
00551 return AIObject::DoCommand(0, vehicle_id | CO_COPY << 30, main_vehicle_id, CMD_CLONE_ORDER);
00552 }
00553
00554 bool AIOrder::ShareOrders(VehicleID vehicle_id, VehicleID main_vehicle_id)
00555 {
00556 EnforcePrecondition(false, AIVehicle::IsValidVehicle(vehicle_id));
00557 EnforcePrecondition(false, AIVehicle::IsValidVehicle(main_vehicle_id));
00558
00559 return AIObject::DoCommand(0, vehicle_id | CO_SHARE << 30, main_vehicle_id, CMD_CLONE_ORDER);
00560 }
00561
00562 bool AIOrder::UnshareOrders(VehicleID vehicle_id)
00563 {
00564 EnforcePrecondition(false, AIVehicle::IsValidVehicle(vehicle_id));
00565
00566 return AIObject::DoCommand(0, vehicle_id | CO_UNSHARE << 30, 0, CMD_CLONE_ORDER);
00567 }