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@ r15869:3237cbc42f75
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Location: cpp/openttd-patchpack/source/src/ai/api/ai_order.cpp
r15869:3237cbc42f75
23.7 KiB
text/x-c
(svn r20561) -Fix: compiler warning
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/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file ai_order.cpp Implementation of AIOrder. */
#include "ai_vehicle.hpp"
#include "../ai_instance.hpp"
#include "../../debug.h"
#include "../../vehicle_base.h"
#include "../../roadstop_base.h"
#include "../../depot_base.h"
#include "../../station_base.h"
#include "../../waypoint_base.h"
/**
* Gets the order type given a tile
* @param t the tile to get the order from
* @return the order type, or OT_END when there is no order
*/
static OrderType GetOrderTypeByTile(TileIndex t)
{
if (!::IsValidTile(t)) return OT_END;
switch (::GetTileType(t)) {
default: break;
case MP_STATION:
if (IsBuoy(t) || IsRailWaypoint(t)) return OT_GOTO_WAYPOINT;
if (IsHangar(t)) return OT_GOTO_DEPOT;
return OT_GOTO_STATION;
break;
case MP_WATER: if (::IsShipDepot(t)) return OT_GOTO_DEPOT; break;
case MP_ROAD: if (::GetRoadTileType(t) == ROAD_TILE_DEPOT) return OT_GOTO_DEPOT; break;
case MP_RAILWAY:
if (IsRailDepot(t)) return OT_GOTO_DEPOT;
break;
}
return OT_END;
}
/* static */ bool AIOrder::IsValidVehicleOrder(VehicleID vehicle_id, OrderPosition order_position)
{
return AIVehicle::IsValidVehicle(vehicle_id) && order_position >= 0 && (order_position < ::Vehicle::Get(vehicle_id)->GetNumOrders() || order_position == ORDER_CURRENT);
}
/**
* Get the current order the vehicle is executing. If the current order is in
* the order list, return the order from the orderlist. If the current order
* was a manual order, return the current order.
*/
static const Order *ResolveOrder(VehicleID vehicle_id, AIOrder::OrderPosition order_position)
{
const Vehicle *v = ::Vehicle::Get(vehicle_id);
if (order_position == AIOrder::ORDER_CURRENT) {
const Order *order = &v->current_order;
if (order->GetType() == OT_GOTO_DEPOT && !(order->GetDepotOrderType() & ODTFB_PART_OF_ORDERS)) return order;
order_position = AIOrder::ResolveOrderPosition(vehicle_id, order_position);
if (order_position == AIOrder::ORDER_INVALID) return NULL;
}
return v->GetOrder(order_position);
}
/* static */ bool AIOrder::IsGotoStationOrder(VehicleID vehicle_id, OrderPosition order_position)
{
if (!IsValidVehicleOrder(vehicle_id, order_position)) return false;
const Order *order = ::ResolveOrder(vehicle_id, order_position);
return order != NULL && order->GetType() == OT_GOTO_STATION;
}
/* static */ bool AIOrder::IsGotoDepotOrder(VehicleID vehicle_id, OrderPosition order_position)
{
if (!IsValidVehicleOrder(vehicle_id, order_position)) return false;
const Order *order = ::ResolveOrder(vehicle_id, order_position);
return order != NULL && order->GetType() == OT_GOTO_DEPOT;
}
/* static */ bool AIOrder::IsGotoWaypointOrder(VehicleID vehicle_id, OrderPosition order_position)
{
if (!IsValidVehicleOrder(vehicle_id, order_position)) return false;
const Order *order = ::ResolveOrder(vehicle_id, order_position);
return order != NULL && order->GetType() == OT_GOTO_WAYPOINT;
}
/* static */ bool AIOrder::IsConditionalOrder(VehicleID vehicle_id, OrderPosition order_position)
{
if (order_position == ORDER_CURRENT) return false;
if (!IsValidVehicleOrder(vehicle_id, order_position)) return false;
const Order *order = Vehicle::Get(vehicle_id)->GetOrder(order_position);
return order->GetType() == OT_CONDITIONAL;
}
/* static */ bool AIOrder::IsVoidOrder(VehicleID vehicle_id, OrderPosition order_position)
{
if (order_position == ORDER_CURRENT) return false;
if (!IsValidVehicleOrder(vehicle_id, order_position)) return false;
const Order *order = Vehicle::Get(vehicle_id)->GetOrder(order_position);
return order->GetType() == OT_DUMMY;
}
/* static */ bool AIOrder::IsCurrentOrderPartOfOrderList(VehicleID vehicle_id)
{
if (AIVehicle::IsValidVehicle(vehicle_id)) return false;
if (GetOrderCount(vehicle_id) == 0) return false;
const Order *order = &::Vehicle::Get(vehicle_id)->current_order;
if (order->GetType() != OT_GOTO_DEPOT) return true;
return (order->GetDepotOrderType() & ODTFB_PART_OF_ORDERS) != 0;
}
/* static */ AIOrder::OrderPosition AIOrder::ResolveOrderPosition(VehicleID vehicle_id, OrderPosition order_position)
{
if (!AIVehicle::IsValidVehicle(vehicle_id)) return ORDER_INVALID;
if (order_position == ORDER_CURRENT) return (AIOrder::OrderPosition)::Vehicle::Get(vehicle_id)->cur_order_index;
return (order_position >= 0 && order_position < ::Vehicle::Get(vehicle_id)->GetNumOrders()) ? order_position : ORDER_INVALID;
}
/* static */ bool AIOrder::AreOrderFlagsValid(TileIndex destination, AIOrderFlags order_flags)
{
OrderType ot = (order_flags & AIOF_GOTO_NEAREST_DEPOT) ? OT_GOTO_DEPOT : ::GetOrderTypeByTile(destination);
switch (ot) {
case OT_GOTO_STATION:
return (order_flags & ~(AIOF_NON_STOP_FLAGS | AIOF_UNLOAD_FLAGS | AIOF_LOAD_FLAGS)) == 0 &&
/* Test the different mutual exclusive flags. */
((order_flags & AIOF_TRANSFER) == 0 || (order_flags & AIOF_UNLOAD) == 0) &&
((order_flags & AIOF_TRANSFER) == 0 || (order_flags & AIOF_NO_UNLOAD) == 0) &&
((order_flags & AIOF_UNLOAD) == 0 || (order_flags & AIOF_NO_UNLOAD) == 0) &&
((order_flags & AIOF_UNLOAD) == 0 || (order_flags & AIOF_NO_UNLOAD) == 0) &&
((order_flags & AIOF_NO_UNLOAD) == 0 || (order_flags & AIOF_NO_LOAD) == 0) &&
((order_flags & AIOF_FULL_LOAD_ANY) == 0 || (order_flags & AIOF_NO_LOAD) == 0);
case OT_GOTO_DEPOT:
return (order_flags & ~(AIOF_NON_STOP_FLAGS | AIOF_DEPOT_FLAGS)) == 0 &&
((order_flags & AIOF_SERVICE_IF_NEEDED) == 0 || (order_flags & AIOF_STOP_IN_DEPOT) == 0);
case OT_GOTO_WAYPOINT: return (order_flags & ~(AIOF_NON_STOP_FLAGS)) == 0;
default: return false;
}
}
/* static */ bool AIOrder::IsValidConditionalOrder(OrderCondition condition, CompareFunction compare)
{
switch (condition) {
case OC_LOAD_PERCENTAGE:
case OC_RELIABILITY:
case OC_MAX_SPEED:
case OC_AGE:
return compare >= CF_EQUALS && compare <= CF_MORE_EQUALS;
case OC_REQUIRES_SERVICE:
return compare == CF_IS_TRUE || compare == CF_IS_FALSE;
case OC_UNCONDITIONALLY:
return true;
default: return false;
}
}
/* static */ int32 AIOrder::GetOrderCount(VehicleID vehicle_id)
{
return AIVehicle::IsValidVehicle(vehicle_id) ? ::Vehicle::Get(vehicle_id)->GetNumOrders() : -1;
}
/* static */ TileIndex AIOrder::GetOrderDestination(VehicleID vehicle_id, OrderPosition order_position)
{
if (!IsValidVehicleOrder(vehicle_id, order_position)) return INVALID_TILE;
const Order *order = ::ResolveOrder(vehicle_id, order_position);
if (order == NULL || order->GetType() == OT_CONDITIONAL) return INVALID_TILE;
const Vehicle *v = ::Vehicle::Get(vehicle_id);
switch (order->GetType()) {
case OT_GOTO_DEPOT: {
/* We don't know where the nearest depot is... (yet) */
if (order->GetDepotActionType() & ODATFB_NEAREST_DEPOT) return INVALID_TILE;
if (v->type != VEH_AIRCRAFT) return ::Depot::Get(order->GetDestination())->xy;
/* Aircraft's hangars are referenced by StationID, not DepotID */
const Station *st = ::Station::Get(order->GetDestination());
if (!st->airport.HasHangar()) return INVALID_TILE;
return st->airport.GetHangarTile(0);
}
case OT_GOTO_STATION: {
const Station *st = ::Station::Get(order->GetDestination());
if (st->train_station.tile != INVALID_TILE) {
TILE_AREA_LOOP(t, st->train_station) {
if (st->TileBelongsToRailStation(t)) return t;
}
} else if (st->dock_tile != INVALID_TILE) {
return st->dock_tile;
} else if (st->bus_stops != NULL) {
return st->bus_stops->xy;
} else if (st->truck_stops != NULL) {
return st->truck_stops->xy;
} else if (st->airport.tile != INVALID_TILE) {
TILE_AREA_LOOP(tile, st->airport) {
if (st->TileBelongsToAirport(tile) && !::IsHangar(tile)) return tile;
}
}
return INVALID_TILE;
}
case OT_GOTO_WAYPOINT: {
const Waypoint *wp = ::Waypoint::Get(order->GetDestination());
if (wp->train_station.tile != INVALID_TILE) {
TILE_AREA_LOOP(t, wp->train_station) {
if (wp->TileBelongsToRailStation(t)) return t;
}
}
/* If the waypoint has no rail waypoint tiles, it must have a buoy */
return wp->xy;
}
default: return INVALID_TILE;
}
}
/* static */ AIOrder::AIOrderFlags AIOrder::GetOrderFlags(VehicleID vehicle_id, OrderPosition order_position)
{
if (!IsValidVehicleOrder(vehicle_id, order_position)) return AIOF_INVALID;
const Order *order = ::ResolveOrder(vehicle_id, order_position);
if (order == NULL || order->GetType() == OT_CONDITIONAL || order->GetType() == OT_DUMMY) return AIOF_INVALID;
AIOrderFlags order_flags = AIOF_NONE;
order_flags |= (AIOrderFlags)order->GetNonStopType();
switch (order->GetType()) {
case OT_GOTO_DEPOT:
if (order->GetDepotOrderType() & ODTFB_SERVICE) order_flags |= AIOF_SERVICE_IF_NEEDED;
if (order->GetDepotActionType() & ODATFB_HALT) order_flags |= AIOF_STOP_IN_DEPOT;
if (order->GetDepotActionType() & ODATFB_NEAREST_DEPOT) order_flags |= AIOF_GOTO_NEAREST_DEPOT;
break;
case OT_GOTO_STATION:
order_flags |= (AIOrderFlags)(order->GetLoadType() << 5);
order_flags |= (AIOrderFlags)(order->GetUnloadType() << 2);
break;
default: break;
}
return order_flags;
}
/* static */ AIOrder::OrderPosition AIOrder::GetOrderJumpTo(VehicleID vehicle_id, OrderPosition order_position)
{
if (!IsValidVehicleOrder(vehicle_id, order_position)) return ORDER_INVALID;
if (order_position == ORDER_CURRENT || !IsConditionalOrder(vehicle_id, order_position)) return ORDER_INVALID;
const Order *order = Vehicle::Get(vehicle_id)->GetOrder(order_position);
return (OrderPosition)order->GetConditionSkipToOrder();
}
/* static */ AIOrder::OrderCondition AIOrder::GetOrderCondition(VehicleID vehicle_id, OrderPosition order_position)
{
if (!IsValidVehicleOrder(vehicle_id, order_position)) return OC_INVALID;
if (order_position == ORDER_CURRENT || !IsConditionalOrder(vehicle_id, order_position)) return OC_INVALID;
const Order *order = Vehicle::Get(vehicle_id)->GetOrder(order_position);
return (OrderCondition)order->GetConditionVariable();
}
/* static */ AIOrder::CompareFunction AIOrder::GetOrderCompareFunction(VehicleID vehicle_id, OrderPosition order_position)
{
if (!IsValidVehicleOrder(vehicle_id, order_position)) return CF_INVALID;
if (order_position == ORDER_CURRENT || !IsConditionalOrder(vehicle_id, order_position)) return CF_INVALID;
const Order *order = Vehicle::Get(vehicle_id)->GetOrder(order_position);
return (CompareFunction)order->GetConditionComparator();
}
/* static */ int32 AIOrder::GetOrderCompareValue(VehicleID vehicle_id, OrderPosition order_position)
{
if (!IsValidVehicleOrder(vehicle_id, order_position)) return -1;
if (order_position == ORDER_CURRENT || !IsConditionalOrder(vehicle_id, order_position)) return -1;
const Order *order = Vehicle::Get(vehicle_id)->GetOrder(order_position);
int32 value = order->GetConditionValue();
if (order->GetConditionVariable() == OCV_MAX_SPEED) value = value * 16 / 10;
return value;
}
/* static */ AIOrder::StopLocation AIOrder::GetStopLocation(VehicleID vehicle_id, OrderPosition order_position)
{
if (!IsValidVehicleOrder(vehicle_id, order_position)) return STOPLOCATION_INVALID;
if (AIVehicle::GetVehicleType(vehicle_id) != AIVehicle::VT_RAIL) return STOPLOCATION_INVALID;
if (!IsGotoStationOrder(vehicle_id, order_position)) return STOPLOCATION_INVALID;
const Order *order = Vehicle::Get(vehicle_id)->GetOrder(order_position);
return (AIOrder::StopLocation)order->GetStopLocation();
}
/* static */ bool AIOrder::SetOrderJumpTo(VehicleID vehicle_id, OrderPosition order_position, OrderPosition jump_to)
{
EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position));
EnforcePrecondition(false, order_position != ORDER_CURRENT && IsConditionalOrder(vehicle_id, order_position));
EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, jump_to) && jump_to != ORDER_CURRENT);
return AIObject::DoCommand(0, vehicle_id | (order_position << 16), MOF_COND_DESTINATION | (jump_to << 4), CMD_MODIFY_ORDER);
}
/* static */ bool AIOrder::SetOrderCondition(VehicleID vehicle_id, OrderPosition order_position, OrderCondition condition)
{
EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position));
EnforcePrecondition(false, order_position != ORDER_CURRENT && IsConditionalOrder(vehicle_id, order_position));
EnforcePrecondition(false, condition >= OC_LOAD_PERCENTAGE && condition <= OC_UNCONDITIONALLY);
return AIObject::DoCommand(0, vehicle_id | (order_position << 16), MOF_COND_VARIABLE | (condition << 4), CMD_MODIFY_ORDER);
}
/* static */ bool AIOrder::SetOrderCompareFunction(VehicleID vehicle_id, OrderPosition order_position, CompareFunction compare)
{
EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position));
EnforcePrecondition(false, order_position != ORDER_CURRENT && IsConditionalOrder(vehicle_id, order_position));
EnforcePrecondition(false, compare >= CF_EQUALS && compare <= CF_IS_FALSE);
return AIObject::DoCommand(0, vehicle_id | (order_position << 16), MOF_COND_COMPARATOR | (compare << 4), CMD_MODIFY_ORDER);
}
/* static */ bool AIOrder::SetOrderCompareValue(VehicleID vehicle_id, OrderPosition order_position, int32 value)
{
EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position));
EnforcePrecondition(false, order_position != ORDER_CURRENT && IsConditionalOrder(vehicle_id, order_position));
EnforcePrecondition(false, value >= 0 && value < 2048);
if (GetOrderCondition(vehicle_id, order_position) == OC_MAX_SPEED) value = value * 10 / 16;
return AIObject::DoCommand(0, vehicle_id | (order_position << 16), MOF_COND_VALUE | (value << 4), CMD_MODIFY_ORDER);
}
/* static */ bool AIOrder::SetStopLocation(VehicleID vehicle_id, OrderPosition order_position, StopLocation stop_location)
{
EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position));
EnforcePrecondition(false, AIVehicle::GetVehicleType(vehicle_id) == AIVehicle::VT_RAIL);
EnforcePrecondition(false, IsGotoStationOrder(vehicle_id, order_position));
EnforcePrecondition(false, stop_location >= STOPLOCATION_NEAR && stop_location <= STOPLOCATION_FAR);
uint32 p1 = vehicle_id | (order_position << 16);
uint32 p2 = MOF_STOP_LOCATION | (stop_location << 4);
return AIObject::DoCommand(0, p1, p2, CMD_MODIFY_ORDER);
}
/* static */ bool AIOrder::AppendOrder(VehicleID vehicle_id, TileIndex destination, AIOrderFlags order_flags)
{
EnforcePrecondition(false, AIVehicle::IsValidVehicle(vehicle_id));
EnforcePrecondition(false, AreOrderFlagsValid(destination, order_flags));
return InsertOrder(vehicle_id, (AIOrder::OrderPosition)::Vehicle::Get(vehicle_id)->GetNumOrders(), destination, order_flags);
}
/* static */ bool AIOrder::AppendConditionalOrder(VehicleID vehicle_id, OrderPosition jump_to)
{
EnforcePrecondition(false, AIVehicle::IsValidVehicle(vehicle_id));
EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, jump_to));
return InsertConditionalOrder(vehicle_id, (AIOrder::OrderPosition)::Vehicle::Get(vehicle_id)->GetNumOrders(), jump_to);
}
/* static */ bool AIOrder::InsertOrder(VehicleID vehicle_id, OrderPosition order_position, TileIndex destination, AIOrder::AIOrderFlags order_flags)
{
/* IsValidVehicleOrder is not good enough because it does not allow appending. */
if (order_position == ORDER_CURRENT) order_position = AIOrder::ResolveOrderPosition(vehicle_id, order_position);
EnforcePrecondition(false, AIVehicle::IsValidVehicle(vehicle_id));
EnforcePrecondition(false, order_position >= 0 && order_position <= ::Vehicle::Get(vehicle_id)->GetNumOrders());
EnforcePrecondition(false, AreOrderFlagsValid(destination, order_flags));
Order order;
OrderType ot = (order_flags & AIOF_GOTO_NEAREST_DEPOT) ? OT_GOTO_DEPOT : ::GetOrderTypeByTile(destination);
switch (ot) {
case OT_GOTO_DEPOT: {
OrderDepotTypeFlags odtf = (OrderDepotTypeFlags)(ODTFB_PART_OF_ORDERS | ((order_flags & AIOF_SERVICE_IF_NEEDED) ? ODTFB_SERVICE : 0));
OrderDepotActionFlags odaf = (OrderDepotActionFlags)(ODATF_SERVICE_ONLY | ((order_flags & AIOF_STOP_IN_DEPOT) ? ODATFB_HALT : 0));
if (order_flags & AIOF_GOTO_NEAREST_DEPOT) odaf |= ODATFB_NEAREST_DEPOT;
OrderNonStopFlags onsf = (OrderNonStopFlags)((order_flags & AIOF_NON_STOP_INTERMEDIATE) ? ONSF_NO_STOP_AT_INTERMEDIATE_STATIONS : ONSF_STOP_EVERYWHERE);
if (order_flags & AIOF_GOTO_NEAREST_DEPOT) {
order.MakeGoToDepot(0, odtf, onsf, odaf);
} else {
/* Check explicitly if the order is to a station (for aircraft) or
* to a depot (other vehicle types). */
if (::Vehicle::Get(vehicle_id)->type == VEH_AIRCRAFT) {
if (!::IsTileType(destination, MP_STATION)) return false;
order.MakeGoToDepot(::GetStationIndex(destination), odtf, onsf, odaf);
} else {
if (::IsTileType(destination, MP_STATION)) return false;
order.MakeGoToDepot(::GetDepotIndex(destination), odtf, onsf, odaf);
}
}
break;
}
case OT_GOTO_STATION:
order.MakeGoToStation(::GetStationIndex(destination));
order.SetLoadType((OrderLoadFlags)GB(order_flags, 5, 3));
order.SetUnloadType((OrderUnloadFlags)GB(order_flags, 2, 3));
order.SetStopLocation(OSL_PLATFORM_FAR_END);
break;
case OT_GOTO_WAYPOINT:
order.MakeGoToWaypoint(::GetStationIndex(destination));
break;
default:
return false;
}
order.SetNonStopType((OrderNonStopFlags)GB(order_flags, 0, 2));
return AIObject::DoCommand(0, vehicle_id | (order_position << 16), order.Pack(), CMD_INSERT_ORDER);
}
/* static */ bool AIOrder::InsertConditionalOrder(VehicleID vehicle_id, OrderPosition order_position, OrderPosition jump_to)
{
/* IsValidVehicleOrder is not good enough because it does not allow appending. */
if (order_position == ORDER_CURRENT) order_position = AIOrder::ResolveOrderPosition(vehicle_id, order_position);
EnforcePrecondition(false, AIVehicle::IsValidVehicle(vehicle_id));
EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, jump_to));
Order order;
order.MakeConditional(jump_to);
return AIObject::DoCommand(0, vehicle_id | (order_position << 16), order.Pack(), CMD_INSERT_ORDER);
}
/* static */ bool AIOrder::RemoveOrder(VehicleID vehicle_id, OrderPosition order_position)
{
order_position = AIOrder::ResolveOrderPosition(vehicle_id, order_position);
EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position));
return AIObject::DoCommand(0, vehicle_id, order_position, CMD_DELETE_ORDER);
}
/* static */ bool AIOrder::SkipToOrder(VehicleID vehicle_id, OrderPosition next_order)
{
next_order = AIOrder::ResolveOrderPosition(vehicle_id, next_order);
EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, next_order));
return AIObject::DoCommand(0, vehicle_id, next_order, CMD_SKIP_TO_ORDER);
}
/**
* Callback handler as SetOrderFlags possibly needs multiple DoCommand calls
* to be able to set all order flags correctly. As we need to wait till the
* command has completed before we know the next bits to change we need to
* call the function multiple times. Each time it'll reduce the difference
* between the wanted and the current order.
* @param instance The AI we are doing the callback for.
*/
static void _DoCommandReturnSetOrderFlags(class AIInstance *instance)
{
AIObject::SetLastCommandRes(AIOrder::_SetOrderFlags());
AIInstance::DoCommandReturn(instance);
}
/* static */ bool AIOrder::_SetOrderFlags()
{
/* Make sure we don't go into an infinite loop */
int retry = AIObject::GetCallbackVariable(3) - 1;
if (retry < 0) {
DEBUG(ai, 0, "Possible infinite loop in SetOrderFlags() detected");
return false;
}
AIObject::SetCallbackVariable(3, retry);
VehicleID vehicle_id = (VehicleID)AIObject::GetCallbackVariable(0);
OrderPosition order_position = (OrderPosition)AIObject::GetCallbackVariable(1);
AIOrderFlags order_flags = (AIOrderFlags)AIObject::GetCallbackVariable(2);
order_position = AIOrder::ResolveOrderPosition(vehicle_id, order_position);
EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position));
EnforcePrecondition(false, AreOrderFlagsValid(GetOrderDestination(vehicle_id, order_position), order_flags));
const Order *order = Vehicle::Get(vehicle_id)->GetOrder(order_position);
AIOrderFlags current = GetOrderFlags(vehicle_id, order_position);
if ((current & AIOF_NON_STOP_FLAGS) != (order_flags & AIOF_NON_STOP_FLAGS)) {
return AIObject::DoCommand(0, vehicle_id | (order_position << 16), (order_flags & AIOF_NON_STOP_FLAGS) << 4 | MOF_NON_STOP, CMD_MODIFY_ORDER, NULL, &_DoCommandReturnSetOrderFlags);
}
switch (order->GetType()) {
case OT_GOTO_DEPOT:
if ((current & AIOF_DEPOT_FLAGS) != (order_flags & AIOF_DEPOT_FLAGS)) {
uint data = DA_ALWAYS_GO;
if (order_flags & AIOF_SERVICE_IF_NEEDED) data = DA_SERVICE;
if (order_flags & AIOF_STOP_IN_DEPOT) data = DA_STOP;
return AIObject::DoCommand(0, vehicle_id | (order_position << 16), (data << 4) | MOF_DEPOT_ACTION, CMD_MODIFY_ORDER, NULL, &_DoCommandReturnSetOrderFlags);
}
break;
case OT_GOTO_STATION:
if ((current & AIOF_UNLOAD_FLAGS) != (order_flags & AIOF_UNLOAD_FLAGS)) {
return AIObject::DoCommand(0, vehicle_id | (order_position << 16), (order_flags & AIOF_UNLOAD_FLAGS) << 2 | MOF_UNLOAD, CMD_MODIFY_ORDER, NULL, &_DoCommandReturnSetOrderFlags);
}
if ((current & AIOF_LOAD_FLAGS) != (order_flags & AIOF_LOAD_FLAGS)) {
return AIObject::DoCommand(0, vehicle_id | (order_position << 16), (order_flags & AIOF_LOAD_FLAGS) >> 1 | MOF_LOAD, CMD_MODIFY_ORDER, NULL, &_DoCommandReturnSetOrderFlags);
}
break;
default: break;
}
assert(GetOrderFlags(vehicle_id, order_position) == order_flags);
return true;
}
/* static */ bool AIOrder::SetOrderFlags(VehicleID vehicle_id, OrderPosition order_position, AIOrder::AIOrderFlags order_flags)
{
AIObject::SetCallbackVariable(0, vehicle_id);
AIObject::SetCallbackVariable(1, order_position);
AIObject::SetCallbackVariable(2, order_flags);
/* In case another client(s) change orders at the same time we could
* end in an infinite loop. This stops that from happening ever. */
AIObject::SetCallbackVariable(3, 8);
return AIOrder::_SetOrderFlags();
}
/* static */ bool AIOrder::MoveOrder(VehicleID vehicle_id, OrderPosition order_position_move, OrderPosition order_position_target)
{
order_position_move = AIOrder::ResolveOrderPosition(vehicle_id, order_position_move);
order_position_target = AIOrder::ResolveOrderPosition(vehicle_id, order_position_target);
EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position_move));
EnforcePrecondition(false, IsValidVehicleOrder(vehicle_id, order_position_target));
return AIObject::DoCommand(0, vehicle_id, order_position_move | (order_position_target << 16), CMD_MOVE_ORDER);
}
/* static */ bool AIOrder::CopyOrders(VehicleID vehicle_id, VehicleID main_vehicle_id)
{
EnforcePrecondition(false, AIVehicle::IsValidVehicle(vehicle_id));
EnforcePrecondition(false, AIVehicle::IsValidVehicle(main_vehicle_id));
return AIObject::DoCommand(0, vehicle_id | (main_vehicle_id << 16), CO_COPY, CMD_CLONE_ORDER);
}
/* static */ bool AIOrder::ShareOrders(VehicleID vehicle_id, VehicleID main_vehicle_id)
{
EnforcePrecondition(false, AIVehicle::IsValidVehicle(vehicle_id));
EnforcePrecondition(false, AIVehicle::IsValidVehicle(main_vehicle_id));
return AIObject::DoCommand(0, vehicle_id | (main_vehicle_id << 16), CO_SHARE, CMD_CLONE_ORDER);
}
/* static */ bool AIOrder::UnshareOrders(VehicleID vehicle_id)
{
EnforcePrecondition(false, AIVehicle::IsValidVehicle(vehicle_id));
return AIObject::DoCommand(0, vehicle_id, CO_UNSHARE, CMD_CLONE_ORDER);
}
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