(svn r23354) -Codechange: move all src/ai/api/ai_*.[hc]pp files to src/script/api/script_* (Rubidium)
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truebrain
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src/script/api/script_engine.cpp
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250
src/script/api/script_engine.cpp
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/* $Id$ */
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/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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/>.
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*/
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/** @file script_engine.cpp Implementation of AIEngine. */
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#include "../../stdafx.h"
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#include "script_engine.hpp"
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#include "script_cargo.hpp"
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#include "../../company_func.h"
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#include "../../company_base.h"
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#include "../../strings_func.h"
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#include "../../rail.h"
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#include "../../engine_base.h"
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#include "../../engine_func.h"
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#include "../../articulated_vehicles.h"
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#include "table/strings.h"
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/* static */ bool AIEngine::IsValidEngine(EngineID engine_id)
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{
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const Engine *e = ::Engine::GetIfValid(engine_id);
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return e != NULL && (::IsEngineBuildable(engine_id, e->type, _current_company) || ::Company::Get(_current_company)->group_all[e->type].num_engines[engine_id] > 0);
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}
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/* static */ bool AIEngine::IsBuildable(EngineID engine_id)
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{
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const Engine *e = ::Engine::GetIfValid(engine_id);
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return e != NULL && ::IsEngineBuildable(engine_id, e->type, _current_company);
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}
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/* static */ char *AIEngine::GetName(EngineID engine_id)
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{
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if (!IsValidEngine(engine_id)) return NULL;
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static const int len = 64;
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char *engine_name = MallocT<char>(len);
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::SetDParam(0, engine_id);
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::GetString(engine_name, STR_ENGINE_NAME, &engine_name[len - 1]);
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return engine_name;
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}
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/* static */ CargoID AIEngine::GetCargoType(EngineID engine_id)
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{
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if (!IsValidEngine(engine_id)) return CT_INVALID;
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CargoArray cap = ::GetCapacityOfArticulatedParts(engine_id);
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CargoID most_cargo = CT_INVALID;
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uint amount = 0;
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for (CargoID cid = 0; cid < NUM_CARGO; cid++) {
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if (cap[cid] > amount) {
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amount = cap[cid];
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most_cargo = cid;
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}
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}
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return most_cargo;
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}
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/* static */ bool AIEngine::CanRefitCargo(EngineID engine_id, CargoID cargo_id)
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{
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if (!IsValidEngine(engine_id)) return false;
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if (!AICargo::IsValidCargo(cargo_id)) return false;
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return HasBit(::GetUnionOfArticulatedRefitMasks(engine_id, true), cargo_id);
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}
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/* static */ bool AIEngine::CanPullCargo(EngineID engine_id, CargoID cargo_id)
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{
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if (!IsValidEngine(engine_id)) return false;
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if (GetVehicleType(engine_id) != AIVehicle::VT_RAIL) return false;
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if (!AICargo::IsValidCargo(cargo_id)) return false;
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return (::RailVehInfo(engine_id)->ai_passenger_only != 1) || AICargo::HasCargoClass(cargo_id, AICargo::CC_PASSENGERS);
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}
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/* static */ int32 AIEngine::GetCapacity(EngineID engine_id)
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{
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if (!IsValidEngine(engine_id)) return -1;
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const Engine *e = ::Engine::Get(engine_id);
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switch (e->type) {
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case VEH_ROAD:
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case VEH_TRAIN: {
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CargoArray capacities = GetCapacityOfArticulatedParts(engine_id);
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for (CargoID c = 0; c < NUM_CARGO; c++) {
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if (capacities[c] == 0) continue;
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return capacities[c];
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}
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return -1;
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}
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case VEH_SHIP:
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case VEH_AIRCRAFT:
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return e->GetDisplayDefaultCapacity();
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default: NOT_REACHED();
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}
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}
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/* static */ int32 AIEngine::GetReliability(EngineID engine_id)
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{
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if (!IsValidEngine(engine_id)) return -1;
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if (GetVehicleType(engine_id) == AIVehicle::VT_RAIL && IsWagon(engine_id)) return -1;
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return ::ToPercent16(::Engine::Get(engine_id)->reliability);
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}
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/* static */ int32 AIEngine::GetMaxSpeed(EngineID engine_id)
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{
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if (!IsValidEngine(engine_id)) return -1;
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const Engine *e = ::Engine::Get(engine_id);
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int32 max_speed = e->GetDisplayMaxSpeed(); // km-ish/h
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if (e->type == VEH_AIRCRAFT) max_speed /= _settings_game.vehicle.plane_speed;
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return max_speed;
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}
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/* static */ Money AIEngine::GetPrice(EngineID engine_id)
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{
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if (!IsValidEngine(engine_id)) return -1;
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return ::Engine::Get(engine_id)->GetCost();
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}
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/* static */ int32 AIEngine::GetMaxAge(EngineID engine_id)
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{
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if (!IsValidEngine(engine_id)) return -1;
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if (GetVehicleType(engine_id) == AIVehicle::VT_RAIL && IsWagon(engine_id)) return -1;
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return ::Engine::Get(engine_id)->GetLifeLengthInDays();
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}
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/* static */ Money AIEngine::GetRunningCost(EngineID engine_id)
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{
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if (!IsValidEngine(engine_id)) return -1;
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return ::Engine::Get(engine_id)->GetRunningCost();
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}
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/* static */ int32 AIEngine::GetPower(EngineID engine_id)
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{
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if (!IsValidEngine(engine_id)) return -1;
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if (GetVehicleType(engine_id) != AIVehicle::VT_RAIL && GetVehicleType(engine_id) != AIVehicle::VT_ROAD) return -1;
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if (IsWagon(engine_id)) return -1;
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return ::Engine::Get(engine_id)->GetPower();
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}
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/* static */ int32 AIEngine::GetWeight(EngineID engine_id)
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{
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if (!IsValidEngine(engine_id)) return -1;
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if (GetVehicleType(engine_id) != AIVehicle::VT_RAIL && GetVehicleType(engine_id) != AIVehicle::VT_ROAD) return -1;
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return ::Engine::Get(engine_id)->GetDisplayWeight();
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}
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/* static */ int32 AIEngine::GetMaxTractiveEffort(EngineID engine_id)
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{
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if (!IsValidEngine(engine_id)) return -1;
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if (GetVehicleType(engine_id) != AIVehicle::VT_RAIL && GetVehicleType(engine_id) != AIVehicle::VT_ROAD) return -1;
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if (IsWagon(engine_id)) return -1;
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return ::Engine::Get(engine_id)->GetDisplayMaxTractiveEffort();
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}
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/* static */ int32 AIEngine::GetDesignDate(EngineID engine_id)
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{
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if (!IsValidEngine(engine_id)) return -1;
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return ::Engine::Get(engine_id)->intro_date;
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}
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/* static */ AIVehicle::VehicleType AIEngine::GetVehicleType(EngineID engine_id)
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{
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if (!IsValidEngine(engine_id)) return AIVehicle::VT_INVALID;
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switch (::Engine::Get(engine_id)->type) {
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case VEH_ROAD: return AIVehicle::VT_ROAD;
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case VEH_TRAIN: return AIVehicle::VT_RAIL;
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case VEH_SHIP: return AIVehicle::VT_WATER;
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case VEH_AIRCRAFT: return AIVehicle::VT_AIR;
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default: NOT_REACHED();
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}
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}
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/* static */ bool AIEngine::IsWagon(EngineID engine_id)
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{
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if (!IsValidEngine(engine_id)) return false;
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if (GetVehicleType(engine_id) != AIVehicle::VT_RAIL) return false;
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return ::RailVehInfo(engine_id)->power == 0;
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}
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/* static */ bool AIEngine::CanRunOnRail(EngineID engine_id, AIRail::RailType track_rail_type)
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{
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if (!IsValidEngine(engine_id)) return false;
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if (GetVehicleType(engine_id) != AIVehicle::VT_RAIL) return false;
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if (!AIRail::IsRailTypeAvailable(track_rail_type)) return false;
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return ::IsCompatibleRail((::RailType)::RailVehInfo(engine_id)->railtype, (::RailType)track_rail_type);
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}
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/* static */ bool AIEngine::HasPowerOnRail(EngineID engine_id, AIRail::RailType track_rail_type)
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{
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if (!IsValidEngine(engine_id)) return false;
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if (GetVehicleType(engine_id) != AIVehicle::VT_RAIL) return false;
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if (!AIRail::IsRailTypeAvailable(track_rail_type)) return false;
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return ::HasPowerOnRail((::RailType)::RailVehInfo(engine_id)->railtype, (::RailType)track_rail_type);
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}
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/* static */ AIRoad::RoadType AIEngine::GetRoadType(EngineID engine_id)
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{
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if (!IsValidEngine(engine_id)) return AIRoad::ROADTYPE_INVALID;
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if (GetVehicleType(engine_id) != AIVehicle::VT_ROAD) return AIRoad::ROADTYPE_INVALID;
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return HasBit(::EngInfo(engine_id)->misc_flags, EF_ROAD_TRAM) ? AIRoad::ROADTYPE_TRAM : AIRoad::ROADTYPE_ROAD;
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}
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/* static */ AIRail::RailType AIEngine::GetRailType(EngineID engine_id)
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{
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if (!IsValidEngine(engine_id)) return AIRail::RAILTYPE_INVALID;
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if (GetVehicleType(engine_id) != AIVehicle::VT_RAIL) return AIRail::RAILTYPE_INVALID;
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return (AIRail::RailType)(uint)::RailVehInfo(engine_id)->railtype;
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}
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/* static */ bool AIEngine::IsArticulated(EngineID engine_id)
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{
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if (!IsValidEngine(engine_id)) return false;
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if (GetVehicleType(engine_id) != AIVehicle::VT_ROAD && GetVehicleType(engine_id) != AIVehicle::VT_RAIL) return false;
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return CountArticulatedParts(engine_id, true) != 0;
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}
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/* static */ AIAirport::PlaneType AIEngine::GetPlaneType(EngineID engine_id)
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{
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if (!IsValidEngine(engine_id)) return AIAirport::PT_INVALID;
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if (GetVehicleType(engine_id) != AIVehicle::VT_AIR) return AIAirport::PT_INVALID;
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return (AIAirport::PlaneType)::AircraftVehInfo(engine_id)->subtype;
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}
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