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00012 #include "../../stdafx.h"
00013 #include "ai_order.hpp"
00014 #include "ai_vehicle.hpp"
00015 #include "../ai_instance.hpp"
00016 #include "../../debug.h"
00017 #include "../../vehicle_base.h"
00018 #include "../../roadstop_base.h"
00019 #include "../../depot_base.h"
00020 #include "../../station_base.h"
00021 #include "../../waypoint_base.h"
00022
00028 static OrderType GetOrderTypeByTile(TileIndex t)
00029 {
00030 if (!::IsValidTile(t)) return OT_END;
00031
00032 switch (::GetTileType(t)) {
00033 default: break;
00034 case MP_STATION:
00035 if (IsBuoy(t) || IsRailWaypoint(t)) return OT_GOTO_WAYPOINT;
00036 if (IsHangar(t)) return OT_GOTO_DEPOT;
00037 return OT_GOTO_STATION;
00038
00039 case MP_WATER: if (::IsShipDepot(t)) return OT_GOTO_DEPOT; break;
00040 case MP_ROAD: if (::GetRoadTileType(t) == ROAD_TILE_DEPOT) return OT_GOTO_DEPOT; break;
00041 case MP_RAILWAY:
00042 if (IsRailDepot(t)) return OT_GOTO_DEPOT;
00043 break;
00044 }
00045
00046 return OT_END;
00047 }
00048
00049 bool AIOrder::IsValidVehicleOrder(VehicleID vehicle_id, OrderPosition order_position)
00050 {
00051 return AIVehicle::IsValidVehicle(vehicle_id) && order_position >= 0 && (order_position < ::Vehicle::Get(vehicle_id)->GetNumOrders() || order_position == ORDER_CURRENT);
00052 }
00053
00059 static const Order *ResolveOrder(VehicleID vehicle_id, AIOrder::OrderPosition order_position)
00060 {
00061 const Vehicle *v = ::Vehicle::Get(vehicle_id);
00062 if (order_position == AIOrder::ORDER_CURRENT) {
00063 const Order *order = &v->current_order;
00064 if (order->GetType() == OT_GOTO_DEPOT && !(order->GetDepotOrderType() & ODTFB_PART_OF_ORDERS)) return order;
00065 order_position = AIOrder::ResolveOrderPosition(vehicle_id, order_position);
00066 if (order_position == AIOrder::ORDER_INVALID) return NULL;
00067 }
00068 return v->GetOrder(order_position);
00069 }
00070
00071 bool AIOrder::IsGotoStationOrder(VehicleID vehicle_id, OrderPosition order_position)
00072 {
00073 if (!IsValidVehicleOrder(vehicle_id, order_position)) return false;
00074
00075 const Order *order = ::ResolveOrder(vehicle_id, order_position);
00076 return order != NULL && order->GetType() == OT_GOTO_STATION;
00077 }
00078
00079 bool AIOrder::IsGotoDepotOrder(VehicleID vehicle_id, OrderPosition order_position)
00080 {
00081 if (!IsValidVehicleOrder(vehicle_id, order_position)) return false;
00082
00083 const Order *order = ::ResolveOrder(vehicle_id, order_position);
00084 return order != NULL && order->GetType() == OT_GOTO_DEPOT;
00085 }
00086
00087 bool AIOrder::IsGotoWaypointOrder(VehicleID vehicle_id, OrderPosition order_position)
00088 {
00089 if (!IsValidVehicleOrder(vehicle_id, order_position)) return false;
00090
00091 const Order *order = ::ResolveOrder(vehicle_id, order_position);
00092 return order != NULL && order->GetType() == OT_GOTO_WAYPOINT;
00093 }
00094
00095 bool AIOrder::IsConditionalOrder(VehicleID vehicle_id, OrderPosition order_position)
00096 {
00097 if (order_position == ORDER_CURRENT) return false;
00098 if (!IsValidVehicleOrder(vehicle_id, order_position)) return false;
00099
00100 const Order *order = Vehicle::Get(vehicle_id)->GetOrder(order_position);
00101 return order->GetType() == OT_CONDITIONAL;
00102 }
00103
00104 bool AIOrder::IsVoidOrder(VehicleID vehicle_id, OrderPosition order_position)
00105 {
00106 if (order_position == ORDER_CURRENT) return false;
00107 if (!IsValidVehicleOrder(vehicle_id, order_position)) return false;
00108
00109 const Order *order = Vehicle::Get(vehicle_id)->GetOrder(order_position);
00110 return order->GetType() == OT_DUMMY;
00111 }
00112
00113 bool AIOrder::IsCurrentOrderPartOfOrderList(VehicleID vehicle_id)
00114 {
00115 if (AIVehicle::IsValidVehicle(vehicle_id)) return false;
00116 if (GetOrderCount(vehicle_id) == 0) return false;
00117
00118 const Order *order = &::Vehicle::Get(vehicle_id)->current_order;
00119 if (order->GetType() != OT_GOTO_DEPOT) return true;
00120 return (order->GetDepotOrderType() & ODTFB_PART_OF_ORDERS) != 0;
00121 }
00122
00123 AIOrder::OrderPosition AIOrder::ResolveOrderPosition(VehicleID vehicle_id, OrderPosition order_position)
00124 {
00125 if (!AIVehicle::IsValidVehicle(vehicle_id)) return ORDER_INVALID;
00126
00127 if (order_position == ORDER_CURRENT) return (AIOrder::OrderPosition)::Vehicle::Get(vehicle_id)->cur_order_index;
00128 return (order_position >= 0 && order_position < ::Vehicle::Get(vehicle_id)->GetNumOrders()) ? order_position : ORDER_INVALID;
00129 }
00130
00131
00132 bool AIOrder::AreOrderFlagsValid(TileIndex destination, AIOrderFlags order_flags)
00133 {
00134 OrderType ot = (order_flags & AIOF_GOTO_NEAREST_DEPOT) ? OT_GOTO_DEPOT : ::GetOrderTypeByTile(destination);
00135 switch (ot) {
00136 case OT_GOTO_STATION:
00137 return (order_flags & ~(AIOF_NON_STOP_FLAGS | AIOF_UNLOAD_FLAGS | AIOF_LOAD_FLAGS)) == 0 &&
00138
00139 ((order_flags & AIOF_TRANSFER) == 0 || (order_flags & AIOF_UNLOAD) == 0) &&
00140 ((order_flags & AIOF_TRANSFER) == 0 || (order_flags & AIOF_NO_UNLOAD) == 0) &&
00141 ((order_flags & AIOF_UNLOAD) == 0 || (order_flags & AIOF_NO_UNLOAD) == 0) &&
00142 ((order_flags & AIOF_UNLOAD) == 0 || (order_flags & AIOF_NO_UNLOAD) == 0) &&
00143 ((order_flags & AIOF_NO_UNLOAD) == 0 || (order_flags & AIOF_NO_LOAD) == 0) &&
00144 ((order_flags & AIOF_FULL_LOAD_ANY) == 0 || (order_flags & AIOF_NO_LOAD) == 0);
00145
00146 case OT_GOTO_DEPOT:
00147 return (order_flags & ~(AIOF_NON_STOP_FLAGS | AIOF_DEPOT_FLAGS)) == 0 &&
00148 ((order_flags & AIOF_SERVICE_IF_NEEDED) == 0 || (order_flags & AIOF_STOP_IN_DEPOT) == 0);
00149
00150 case OT_GOTO_WAYPOINT: return (order_flags & ~(AIOF_NON_STOP_FLAGS)) == 0;
00151 default: return false;
00152 }
00153 }
00154
00155 bool AIOrder::IsValidConditionalOrder(OrderCondition condition, CompareFunction compare)
00156 {
00157 switch (condition) {
00158 case OC_LOAD_PERCENTAGE:
00159 case OC_RELIABILITY:
00160 case OC_MAX_SPEED:
00161 case OC_AGE:
00162 return compare >= CF_EQUALS && compare <= CF_MORE_EQUALS;
00163
00164 case OC_REQUIRES_SERVICE:
00165 return compare == CF_IS_TRUE || compare == CF_IS_FALSE;
00166
00167 case OC_UNCONDITIONALLY:
00168 return true;
00169
00170 default: return false;
00171 }
00172 }
00173
00174 int32 AIOrder::GetOrderCount(VehicleID vehicle_id)
00175 {
00176 return AIVehicle::IsValidVehicle(vehicle_id) ? ::Vehicle::Get(vehicle_id)->GetNumOrders() : -1;
00177 }
00178
00179 TileIndex AIOrder::GetOrderDestination(VehicleID vehicle_id, OrderPosition order_position)
00180 {
00181 if (!IsValidVehicleOrder(vehicle_id, order_position)) return INVALID_TILE;
00182
00183 const Order *order = ::ResolveOrder(vehicle_id, order_position);
00184 if (order == NULL || order->GetType() == OT_CONDITIONAL) return INVALID_TILE;
00185 const Vehicle *v = ::Vehicle::Get(vehicle_id);
00186
00187 switch (order->GetType()) {
00188 case OT_GOTO_DEPOT: {
00189
00190 if (order->GetDepotActionType() & ODATFB_NEAREST_DEPOT) return INVALID_TILE;
00191
00192 if (v->type != VEH_AIRCRAFT) return ::Depot::Get(order->GetDestination())->xy;
00193
00194 const Station *st = ::Station::Get(order->GetDestination());
00195 if (!st->airport.HasHangar()) return INVALID_TILE;
00196 return st->airport.GetHangarTile(0);
00197 }
00198
00199 case OT_GOTO_STATION: {
00200 const Station *st = ::Station::Get(order->GetDestination());
00201 if (st->train_station.tile != INVALID_TILE) {
00202 TILE_AREA_LOOP(t, st->train_station) {
00203 if (st->TileBelongsToRailStation(t)) return t;
00204 }
00205 } else if (st->dock_tile != INVALID_TILE) {
00206 return st->dock_tile;
00207 } else if (st->bus_stops != NULL) {
00208 return st->bus_stops->xy;
00209 } else if (st->truck_stops != NULL) {
00210 return st->truck_stops->xy;
00211 } else if (st->airport.tile != INVALID_TILE) {
00212 TILE_AREA_LOOP(tile, st->airport) {
00213 if (st->TileBelongsToAirport(tile) && !::IsHangar(tile)) return tile;
00214 }
00215 }
00216 return INVALID_TILE;
00217 }
00218
00219 case OT_GOTO_WAYPOINT: {
00220 const Waypoint *wp = ::Waypoint::Get(order->GetDestination());
00221 if (wp->train_station.tile != INVALID_TILE) {
00222 TILE_AREA_LOOP(t, wp->train_station) {
00223 if (wp->TileBelongsToRailStation(t)) return t;
00224 }
00225 }
00226
00227 return wp->xy;
00228 }
00229 default: return INVALID_TILE;
00230 }
00231 }
00232
00233 AIOrder::AIOrderFlags AIOrder::GetOrderFlags(VehicleID vehicle_id, OrderPosition order_position)
00234 {
00235 if (!IsValidVehicleOrder(vehicle_id, order_position)) return AIOF_INVALID;
00236
00237 const Order *order = ::ResolveOrder(vehicle_id, order_position);
00238 if (order == NULL || order->GetType() == OT_CONDITIONAL || order->GetType() == OT_DUMMY) return AIOF_INVALID;
00239
00240 AIOrderFlags order_flags = AIOF_NONE;
00241 order_flags |= (AIOrderFlags)order->GetNonStopType();
00242 switch (order->GetType()) {
00243 case OT_GOTO_DEPOT:
00244 if (order->GetDepotOrderType() & ODTFB_SERVICE) order_flags |= AIOF_SERVICE_IF_NEEDED;
00245 if (order->GetDepotActionType() & ODATFB_HALT) order_flags |= AIOF_STOP_IN_DEPOT;
00246 if (order->GetDepotActionType() & ODATFB_NEAREST_DEPOT) order_flags |= AIOF_GOTO_NEAREST_DEPOT;
00247 break;
00248
00249 case OT_GOTO_STATION:
00250 order_flags |= (AIOrderFlags)(order->GetLoadType() << 5);
00251 order_flags |= (AIOrderFlags)(order->GetUnloadType() << 2);
00252 break;
00253
00254 default: break;
00255 }
00256
00257 return order_flags;
00258 }
00259
00260 AIOrder::OrderPosition AIOrder::GetOrderJumpTo(VehicleID vehicle_id, OrderPosition order_position)
00261 {
00262 if (!IsValidVehicleOrder(vehicle_id, order_position)) return ORDER_INVALID;
00263 if (order_position == ORDER_CURRENT || !IsConditionalOrder(vehicle_id, order_position)) return ORDER_INVALID;
00264
00265 const Order *order = Vehicle::Get(vehicle_id)->GetOrder(order_position);
00266 return (OrderPosition)order->GetConditionSkipToOrder();
00267 }
00268
00269 AIOrder::OrderCondition AIOrder::GetOrderCondition(VehicleID vehicle_id, OrderPosition order_position)
00270 {
00271 if (!IsValidVehicleOrder(vehicle_id, order_position)) return OC_INVALID;
00272 if (order_position == ORDER_CURRENT || !IsConditionalOrder(vehicle_id, order_position)) return OC_INVALID;
00273
00274 const Order *order = Vehicle::Get(vehicle_id)->GetOrder(order_position);
00275 return (OrderCondition)order->GetConditionVariable();
00276 }
00277
00278 AIOrder::CompareFunction AIOrder::GetOrderCompareFunction(VehicleID vehicle_id, OrderPosition order_position)
00279 {
00280 if (!IsValidVehicleOrder(vehicle_id, order_position)) return CF_INVALID;
00281 if (order_position == ORDER_CURRENT || !IsConditionalOrder(vehicle_id, order_position)) return CF_INVALID;
00282
00283 const Order *order = Vehicle::Get(vehicle_id)->GetOrder(order_position);
00284 return (CompareFunction)order->GetConditionComparator();
00285 }
00286
00287 int32 AIOrder::GetOrderCompareValue(VehicleID vehicle_id, OrderPosition order_position)
00288 {
00289 if (!IsValidVehicleOrder(vehicle_id, order_position)) return -1;
00290 if (order_position == ORDER_CURRENT || !IsConditionalOrder(vehicle_id, order_position)) return -1;
00291
00292 const Order *order = Vehicle::Get(vehicle_id)->GetOrder(order_position);
00293 int32 value = order->GetConditionValue();
00294 if (order->GetConditionVariable() == OCV_MAX_SPEED) value = value * 16 / 10;
00295 return value;
00296 }
00297
00298 AIOrder::StopLocation AIOrder::GetStopLocation(VehicleID vehicle_id, OrderPosition order_position)
00299 {
00300 if (!IsValidVehicleOrder(vehicle_id, order_position)) return STOPLOCATION_INVALID;
00301 if (AIVehicle::GetVehicleType(vehicle_id) != AIVehicle::VT_RAIL) return STOPLOCATION_INVALID;
00302 if (!IsGotoStationOrder(vehicle_id, order_position)) return STOPLOCATION_INVALID;
00303
00304 const Order *order = Vehicle::Get(vehicle_id)->GetOrder(order_position);
00305 return (AIOrder::StopLocation)order->GetStopLocation();
00306 }
00307
00308 bool AIOrder::SetOrderJumpTo(VehicleID vehicle_id, OrderPosition order_position, OrderPosition jump_to)
00309 {
00310 EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position));
00311 EnforcePrecondition(false, order_position != ORDER_CURRENT && IsConditionalOrder(vehicle_id, order_position));
00312 EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, jump_to) && jump_to != ORDER_CURRENT);
00313
00314 return AIObject::DoCommand(0, vehicle_id | (order_position << 20), MOF_COND_DESTINATION | (jump_to << 4), CMD_MODIFY_ORDER);
00315 }
00316
00317 bool AIOrder::SetOrderCondition(VehicleID vehicle_id, OrderPosition order_position, OrderCondition condition)
00318 {
00319 EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position));
00320 EnforcePrecondition(false, order_position != ORDER_CURRENT && IsConditionalOrder(vehicle_id, order_position));
00321 EnforcePrecondition(false, condition >= OC_LOAD_PERCENTAGE && condition <= OC_UNCONDITIONALLY);
00322
00323 return AIObject::DoCommand(0, vehicle_id | (order_position << 20), MOF_COND_VARIABLE | (condition << 4), CMD_MODIFY_ORDER);
00324 }
00325
00326 bool AIOrder::SetOrderCompareFunction(VehicleID vehicle_id, OrderPosition order_position, CompareFunction compare)
00327 {
00328 EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position));
00329 EnforcePrecondition(false, order_position != ORDER_CURRENT && IsConditionalOrder(vehicle_id, order_position));
00330 EnforcePrecondition(false, compare >= CF_EQUALS && compare <= CF_IS_FALSE);
00331
00332 return AIObject::DoCommand(0, vehicle_id | (order_position << 20), MOF_COND_COMPARATOR | (compare << 4), CMD_MODIFY_ORDER);
00333 }
00334
00335 bool AIOrder::SetOrderCompareValue(VehicleID vehicle_id, OrderPosition order_position, int32 value)
00336 {
00337 EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position));
00338 EnforcePrecondition(false, order_position != ORDER_CURRENT && IsConditionalOrder(vehicle_id, order_position));
00339 EnforcePrecondition(false, value >= 0 && value < 2048);
00340 if (GetOrderCondition(vehicle_id, order_position) == OC_MAX_SPEED) value = value * 10 / 16;
00341
00342 return AIObject::DoCommand(0, vehicle_id | (order_position << 20), MOF_COND_VALUE | (value << 4), CMD_MODIFY_ORDER);
00343 }
00344
00345 bool AIOrder::SetStopLocation(VehicleID vehicle_id, OrderPosition order_position, StopLocation stop_location)
00346 {
00347 EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position));
00348 EnforcePrecondition(false, AIVehicle::GetVehicleType(vehicle_id) == AIVehicle::VT_RAIL);
00349 EnforcePrecondition(false, IsGotoStationOrder(vehicle_id, order_position));
00350 EnforcePrecondition(false, stop_location >= STOPLOCATION_NEAR && stop_location <= STOPLOCATION_FAR);
00351
00352 uint32 p1 = vehicle_id | (order_position << 20);
00353 uint32 p2 = MOF_STOP_LOCATION | (stop_location << 4);
00354 return AIObject::DoCommand(0, p1, p2, CMD_MODIFY_ORDER);
00355 }
00356
00357 bool AIOrder::AppendOrder(VehicleID vehicle_id, TileIndex destination, AIOrderFlags order_flags)
00358 {
00359 EnforcePrecondition(false, AIVehicle::IsValidVehicle(vehicle_id));
00360 EnforcePrecondition(false, AreOrderFlagsValid(destination, order_flags));
00361
00362 return InsertOrder(vehicle_id, (AIOrder::OrderPosition)::Vehicle::Get(vehicle_id)->GetNumOrders(), destination, order_flags);
00363 }
00364
00365 bool AIOrder::AppendConditionalOrder(VehicleID vehicle_id, OrderPosition jump_to)
00366 {
00367 EnforcePrecondition(false, AIVehicle::IsValidVehicle(vehicle_id));
00368 EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, jump_to));
00369
00370 return InsertConditionalOrder(vehicle_id, (AIOrder::OrderPosition)::Vehicle::Get(vehicle_id)->GetNumOrders(), jump_to);
00371 }
00372
00373 bool AIOrder::InsertOrder(VehicleID vehicle_id, OrderPosition order_position, TileIndex destination, AIOrder::AIOrderFlags order_flags)
00374 {
00375
00376 if (order_position == ORDER_CURRENT) order_position = AIOrder::ResolveOrderPosition(vehicle_id, order_position);
00377
00378 EnforcePrecondition(false, AIVehicle::IsValidVehicle(vehicle_id));
00379 EnforcePrecondition(false, order_position >= 0 && order_position <= ::Vehicle::Get(vehicle_id)->GetNumOrders());
00380 EnforcePrecondition(false, AreOrderFlagsValid(destination, order_flags));
00381
00382 Order order;
00383 OrderType ot = (order_flags & AIOF_GOTO_NEAREST_DEPOT) ? OT_GOTO_DEPOT : ::GetOrderTypeByTile(destination);
00384 switch (ot) {
00385 case OT_GOTO_DEPOT: {
00386 OrderDepotTypeFlags odtf = (OrderDepotTypeFlags)(ODTFB_PART_OF_ORDERS | ((order_flags & AIOF_SERVICE_IF_NEEDED) ? ODTFB_SERVICE : 0));
00387 OrderDepotActionFlags odaf = (OrderDepotActionFlags)(ODATF_SERVICE_ONLY | ((order_flags & AIOF_STOP_IN_DEPOT) ? ODATFB_HALT : 0));
00388 if (order_flags & AIOF_GOTO_NEAREST_DEPOT) odaf |= ODATFB_NEAREST_DEPOT;
00389 OrderNonStopFlags onsf = (OrderNonStopFlags)((order_flags & AIOF_NON_STOP_INTERMEDIATE) ? ONSF_NO_STOP_AT_INTERMEDIATE_STATIONS : ONSF_STOP_EVERYWHERE);
00390 if (order_flags & AIOF_GOTO_NEAREST_DEPOT) {
00391 order.MakeGoToDepot(0, odtf, onsf, odaf);
00392 } else {
00393
00394
00395 if (::Vehicle::Get(vehicle_id)->type == VEH_AIRCRAFT) {
00396 if (!::IsTileType(destination, MP_STATION)) return false;
00397 order.MakeGoToDepot(::GetStationIndex(destination), odtf, onsf, odaf);
00398 } else {
00399 if (::IsTileType(destination, MP_STATION)) return false;
00400 order.MakeGoToDepot(::GetDepotIndex(destination), odtf, onsf, odaf);
00401 }
00402 }
00403 break;
00404 }
00405
00406 case OT_GOTO_STATION:
00407 order.MakeGoToStation(::GetStationIndex(destination));
00408 order.SetLoadType((OrderLoadFlags)GB(order_flags, 5, 3));
00409 order.SetUnloadType((OrderUnloadFlags)GB(order_flags, 2, 3));
00410 order.SetStopLocation(OSL_PLATFORM_FAR_END);
00411 break;
00412
00413 case OT_GOTO_WAYPOINT:
00414 order.MakeGoToWaypoint(::GetStationIndex(destination));
00415 break;
00416
00417 default:
00418 return false;
00419 }
00420
00421 order.SetNonStopType((OrderNonStopFlags)GB(order_flags, 0, 2));
00422
00423 return AIObject::DoCommand(0, vehicle_id | (order_position << 20), order.Pack(), CMD_INSERT_ORDER);
00424 }
00425
00426 bool AIOrder::InsertConditionalOrder(VehicleID vehicle_id, OrderPosition order_position, OrderPosition jump_to)
00427 {
00428
00429 if (order_position == ORDER_CURRENT) order_position = AIOrder::ResolveOrderPosition(vehicle_id, order_position);
00430
00431 EnforcePrecondition(false, AIVehicle::IsValidVehicle(vehicle_id));
00432 EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, jump_to));
00433
00434 Order order;
00435 order.MakeConditional(jump_to);
00436
00437 return AIObject::DoCommand(0, vehicle_id | (order_position << 20), order.Pack(), CMD_INSERT_ORDER);
00438 }
00439
00440 bool AIOrder::RemoveOrder(VehicleID vehicle_id, OrderPosition order_position)
00441 {
00442 order_position = AIOrder::ResolveOrderPosition(vehicle_id, order_position);
00443
00444 EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position));
00445
00446 return AIObject::DoCommand(0, vehicle_id, order_position, CMD_DELETE_ORDER);
00447 }
00448
00449 bool AIOrder::SkipToOrder(VehicleID vehicle_id, OrderPosition next_order)
00450 {
00451 next_order = AIOrder::ResolveOrderPosition(vehicle_id, next_order);
00452
00453 EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, next_order));
00454
00455 return AIObject::DoCommand(0, vehicle_id, next_order, CMD_SKIP_TO_ORDER);
00456 }
00457
00466 static void _DoCommandReturnSetOrderFlags(class AIInstance *instance)
00467 {
00468 AIObject::SetLastCommandRes(AIOrder::_SetOrderFlags());
00469 AIInstance::DoCommandReturn(instance);
00470 }
00471
00472 bool AIOrder::_SetOrderFlags()
00473 {
00474
00475 int retry = AIObject::GetCallbackVariable(3) - 1;
00476 if (retry < 0) {
00477 DEBUG(ai, 0, "Possible infinite loop in SetOrderFlags() detected");
00478 return false;
00479 }
00480 AIObject::SetCallbackVariable(3, retry);
00481
00482 VehicleID vehicle_id = (VehicleID)AIObject::GetCallbackVariable(0);
00483 OrderPosition order_position = (OrderPosition)AIObject::GetCallbackVariable(1);
00484 AIOrderFlags order_flags = (AIOrderFlags)AIObject::GetCallbackVariable(2);
00485
00486 order_position = AIOrder::ResolveOrderPosition(vehicle_id, order_position);
00487
00488 EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position));
00489 EnforcePrecondition(false, AreOrderFlagsValid(GetOrderDestination(vehicle_id, order_position), order_flags));
00490
00491 const Order *order = Vehicle::Get(vehicle_id)->GetOrder(order_position);
00492
00493 AIOrderFlags current = GetOrderFlags(vehicle_id, order_position);
00494
00495 if ((current & AIOF_NON_STOP_FLAGS) != (order_flags & AIOF_NON_STOP_FLAGS)) {
00496 return AIObject::DoCommand(0, vehicle_id | (order_position << 20), (order_flags & AIOF_NON_STOP_FLAGS) << 4 | MOF_NON_STOP, CMD_MODIFY_ORDER, NULL, &_DoCommandReturnSetOrderFlags);
00497 }
00498
00499 switch (order->GetType()) {
00500 case OT_GOTO_DEPOT:
00501 if ((current & AIOF_DEPOT_FLAGS) != (order_flags & AIOF_DEPOT_FLAGS)) {
00502 uint data = DA_ALWAYS_GO;
00503 if (order_flags & AIOF_SERVICE_IF_NEEDED) data = DA_SERVICE;
00504 if (order_flags & AIOF_STOP_IN_DEPOT) data = DA_STOP;
00505 return AIObject::DoCommand(0, vehicle_id | (order_position << 20), (data << 4) | MOF_DEPOT_ACTION, CMD_MODIFY_ORDER, NULL, &_DoCommandReturnSetOrderFlags);
00506 }
00507 break;
00508
00509 case OT_GOTO_STATION:
00510 if ((current & AIOF_UNLOAD_FLAGS) != (order_flags & AIOF_UNLOAD_FLAGS)) {
00511 return AIObject::DoCommand(0, vehicle_id | (order_position << 20), (order_flags & AIOF_UNLOAD_FLAGS) << 2 | MOF_UNLOAD, CMD_MODIFY_ORDER, NULL, &_DoCommandReturnSetOrderFlags);
00512 }
00513 if ((current & AIOF_LOAD_FLAGS) != (order_flags & AIOF_LOAD_FLAGS)) {
00514 return AIObject::DoCommand(0, vehicle_id | (order_position << 20), (order_flags & AIOF_LOAD_FLAGS) >> 1 | MOF_LOAD, CMD_MODIFY_ORDER, NULL, &_DoCommandReturnSetOrderFlags);
00515 }
00516 break;
00517
00518 default: break;
00519 }
00520
00521 assert(GetOrderFlags(vehicle_id, order_position) == order_flags);
00522
00523 return true;
00524 }
00525
00526 bool AIOrder::SetOrderFlags(VehicleID vehicle_id, OrderPosition order_position, AIOrder::AIOrderFlags order_flags)
00527 {
00528 AIObject::SetCallbackVariable(0, vehicle_id);
00529 AIObject::SetCallbackVariable(1, order_position);
00530 AIObject::SetCallbackVariable(2, order_flags);
00531
00532
00533 AIObject::SetCallbackVariable(3, 8);
00534 return AIOrder::_SetOrderFlags();
00535 }
00536
00537 bool AIOrder::MoveOrder(VehicleID vehicle_id, OrderPosition order_position_move, OrderPosition order_position_target)
00538 {
00539 order_position_move = AIOrder::ResolveOrderPosition(vehicle_id, order_position_move);
00540 order_position_target = AIOrder::ResolveOrderPosition(vehicle_id, order_position_target);
00541
00542 EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position_move));
00543 EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position_target));
00544
00545 return AIObject::DoCommand(0, vehicle_id, order_position_move | (order_position_target << 16), CMD_MOVE_ORDER);
00546 }
00547
00548 bool AIOrder::CopyOrders(VehicleID vehicle_id, VehicleID main_vehicle_id)
00549 {
00550 EnforcePrecondition(false, AIVehicle::IsValidVehicle(vehicle_id));
00551 EnforcePrecondition(false, AIVehicle::IsValidVehicle(main_vehicle_id));
00552
00553 return AIObject::DoCommand(0, vehicle_id | CO_COPY << 30, main_vehicle_id, CMD_CLONE_ORDER);
00554 }
00555
00556 bool AIOrder::ShareOrders(VehicleID vehicle_id, VehicleID main_vehicle_id)
00557 {
00558 EnforcePrecondition(false, AIVehicle::IsValidVehicle(vehicle_id));
00559 EnforcePrecondition(false, AIVehicle::IsValidVehicle(main_vehicle_id));
00560
00561 return AIObject::DoCommand(0, vehicle_id | CO_SHARE << 30, main_vehicle_id, CMD_CLONE_ORDER);
00562 }
00563
00564 bool AIOrder::UnshareOrders(VehicleID vehicle_id)
00565 {
00566 EnforcePrecondition(false, AIVehicle::IsValidVehicle(vehicle_id));
00567
00568 return AIObject::DoCommand(0, vehicle_id | CO_UNSHARE << 30, 0, CMD_CLONE_ORDER);
00569 }