mirror of https://github.com/OpenTTD/OpenTTD.git
296 lines
8.2 KiB
C++
296 lines
8.2 KiB
C++
/* $Id$ */
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/** @file ai_engine.cpp Implementation of AIEngine. */
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#include "ai_engine.hpp"
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#include "ai_cargo.hpp"
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#include "ai_rail.hpp"
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#include "../../openttd.h"
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#include "../../company_func.h"
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#include "../../strings_func.h"
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#include "../../roadveh.h"
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#include "../../train.h"
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#include "../../ship.h"
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#include "../../aircraft.h"
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#include "../../vehicle_func.h"
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#include "../../core/alloc_func.hpp"
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#include "../../economy_func.h"
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#include "../../core/bitmath_func.hpp"
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#include "../../settings_type.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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return ::IsEngineIndex(engine_id) && HasBit(::GetEngine(engine_id)->company_avail, _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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switch (::GetEngine(engine_id)->type) {
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case VEH_ROAD: {
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const RoadVehicleInfo *vi = ::RoadVehInfo(engine_id);
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return vi->cargo_type;
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} break;
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case VEH_TRAIN: {
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const RailVehicleInfo *vi = ::RailVehInfo(engine_id);
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return vi->cargo_type;
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} break;
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case VEH_SHIP: {
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const ShipVehicleInfo *vi = ::ShipVehInfo(engine_id);
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return vi->cargo_type;
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} break;
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case VEH_AIRCRAFT: {
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return CT_PASSENGERS;
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} break;
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default: NOT_REACHED();
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}
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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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if (GetCargoType(engine_id) == cargo_id) return true;
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if (cargo_id == CT_MAIL && ::GetEngine(engine_id)->type == VEH_AIRCRAFT) return true;
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if (::GetEngine(engine_id)->type == VEH_SHIP && !ShipVehInfo(engine_id)->refittable) return false;
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return ::CanRefitTo(engine_id, 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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switch (::GetEngine(engine_id)->type) {
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case VEH_ROAD:
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case VEH_TRAIN: {
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uint16 *capacities = GetCapacityOfArticulatedParts(engine_id, ::GetEngine(engine_id)->type);
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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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} break;
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case VEH_SHIP: {
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const ShipVehicleInfo *vi = ::ShipVehInfo(engine_id);
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return vi->capacity;
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} break;
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case VEH_AIRCRAFT: {
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const AircraftVehicleInfo *vi = ::AircraftVehInfo(engine_id);
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return vi->passenger_capacity;
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} break;
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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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return (::GetEngine(engine_id)->reliability * 100 >> 16);
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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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switch (::GetEngine(engine_id)->type) {
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case VEH_ROAD: {
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const RoadVehicleInfo *vi = ::RoadVehInfo(engine_id);
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/* Internal speeds are km/h * 2 */
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return vi->max_speed / 2;
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} break;
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case VEH_TRAIN: {
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const RailVehicleInfo *vi = ::RailVehInfo(engine_id);
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return vi->max_speed;
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} break;
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case VEH_SHIP: {
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const ShipVehicleInfo *vi = ::ShipVehInfo(engine_id);
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/* Internal speeds are km/h * 2 */
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return vi->max_speed / 2;
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} break;
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case VEH_AIRCRAFT: {
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const AircraftVehicleInfo *vi = ::AircraftVehInfo(engine_id);
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return vi->max_speed / _settings_game.vehicle.plane_speed;
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} break;
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default: NOT_REACHED();
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}
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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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switch (::GetEngine(engine_id)->type) {
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case VEH_ROAD: {
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const RoadVehicleInfo *vi = ::RoadVehInfo(engine_id);
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return (_price.roadveh_base >> 3) * vi->cost_factor >> 5;
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} break;
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case VEH_TRAIN: {
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const RailVehicleInfo *vi = ::RailVehInfo(engine_id);
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return (_price.build_railvehicle >> 3) * vi->cost_factor >> 5;
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} break;
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case VEH_SHIP: {
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const ShipVehicleInfo *vi = ::ShipVehInfo(engine_id);
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return (_price.ship_base >> 3) * vi->cost_factor >> 5;
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} break;
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case VEH_AIRCRAFT: {
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const AircraftVehicleInfo *vi = ::AircraftVehInfo(engine_id);
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return (_price.aircraft_base >> 3) * vi->cost_factor >> 5;
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} break;
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default: NOT_REACHED();
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}
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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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return ::GetEngine(engine_id)->lifelength * DAYS_IN_LEAP_YEAR;
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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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/* We need to create an instance in order to obtain GetRunningCost.
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* This means we temporary allocate a vehicle in the pool, but
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* there is no other way.. */
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Vehicle *vehicle;
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switch (::GetEngine(engine_id)->type) {
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case VEH_ROAD: {
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vehicle = new RoadVehicle();
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} break;
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case VEH_TRAIN: {
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vehicle = new Train();
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} break;
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case VEH_SHIP: {
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vehicle = new Ship();
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} break;
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case VEH_AIRCRAFT: {
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vehicle = new Aircraft();
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} break;
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default: NOT_REACHED();
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}
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vehicle->engine_type = engine_id;
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Money runningCost = vehicle->GetRunningCost();
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delete vehicle;
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return runningCost >> 8;
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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 (::GetEngine(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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