ai_engine.cpp
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00002
00005 #include "ai_engine.hpp"
00006 #include "ai_cargo.hpp"
00007 #include "../../company_func.h"
00008 #include "../../strings_func.h"
00009 #include "../../aircraft.h"
00010 #include "../../vehicle_func.h"
00011 #include "../../settings_type.h"
00012 #include "../../articulated_vehicles.h"
00013 #include "table/strings.h"
00014
00015 bool AIEngine::IsValidEngine(EngineID engine_id)
00016 {
00017 return ::IsEngineIndex(engine_id) && HasBit(::GetEngine(engine_id)->company_avail, _current_company);
00018 }
00019
00020 char *AIEngine::GetName(EngineID engine_id)
00021 {
00022 if (!IsValidEngine(engine_id)) return NULL;
00023
00024 static const int len = 64;
00025 char *engine_name = MallocT<char>(len);
00026
00027 ::SetDParam(0, engine_id);
00028 ::GetString(engine_name, STR_ENGINE_NAME, &engine_name[len - 1]);
00029 return engine_name;
00030 }
00031
00032 CargoID AIEngine::GetCargoType(EngineID engine_id)
00033 {
00034 if (!IsValidEngine(engine_id)) return CT_INVALID;
00035
00036 const Engine *e = ::GetEngine(engine_id);
00037 if (!e->CanCarryCargo()) return CT_INVALID;
00038
00039 return e->GetDefaultCargoType();
00040 }
00041
00042 bool AIEngine::CanRefitCargo(EngineID engine_id, CargoID cargo_id)
00043 {
00044 if (!IsValidEngine(engine_id)) return false;
00045 if (!AICargo::IsValidCargo(cargo_id)) return false;
00046
00047 if (GetCargoType(engine_id) == cargo_id) return true;
00048 if (cargo_id == CT_MAIL && ::GetEngine(engine_id)->type == VEH_AIRCRAFT) return true;
00049 if (::GetEngine(engine_id)->type == VEH_SHIP && !ShipVehInfo(engine_id)->refittable) return false;
00050 return ::CanRefitTo(engine_id, cargo_id);
00051 }
00052
00053 bool AIEngine::CanPullCargo(EngineID engine_id, CargoID cargo_id)
00054 {
00055 if (!IsValidEngine(engine_id)) return false;
00056 if (GetVehicleType(engine_id) != AIVehicle::VT_RAIL) return false;
00057 if (!AICargo::IsValidCargo(cargo_id)) return false;
00058
00059 return (::RailVehInfo(engine_id)->ai_passenger_only != 1) || AICargo::HasCargoClass(cargo_id, AICargo::CC_PASSENGERS);
00060 }
00061
00062
00063 int32 AIEngine::GetCapacity(EngineID engine_id)
00064 {
00065 if (!IsValidEngine(engine_id)) return -1;
00066
00067 switch (::GetEngine(engine_id)->type) {
00068 case VEH_ROAD:
00069 case VEH_TRAIN: {
00070 uint16 *capacities = GetCapacityOfArticulatedParts(engine_id, ::GetEngine(engine_id)->type);
00071 for (CargoID c = 0; c < NUM_CARGO; c++) {
00072 if (capacities[c] == 0) continue;
00073 return capacities[c];
00074 }
00075 return -1;
00076 } break;
00077
00078 case VEH_SHIP: {
00079 const ShipVehicleInfo *vi = ::ShipVehInfo(engine_id);
00080 return vi->capacity;
00081 } break;
00082
00083 case VEH_AIRCRAFT: {
00084 const AircraftVehicleInfo *vi = ::AircraftVehInfo(engine_id);
00085 return vi->passenger_capacity;
00086 } break;
00087
00088 default: NOT_REACHED();
00089 }
00090 }
00091
00092 int32 AIEngine::GetReliability(EngineID engine_id)
00093 {
00094 if (!IsValidEngine(engine_id)) return -1;
00095 if (GetVehicleType(engine_id) == AIVehicle::VT_RAIL && IsWagon(engine_id)) return -1;
00096
00097 return (::GetEngine(engine_id)->reliability * 100 >> 16);
00098 }
00099
00100 int32 AIEngine::GetMaxSpeed(EngineID engine_id)
00101 {
00102 if (!IsValidEngine(engine_id)) return -1;
00103
00104 const Engine *e = ::GetEngine(engine_id);
00105 int32 max_speed = e->GetDisplayMaxSpeed();
00106 if (e->type == VEH_AIRCRAFT) max_speed /= _settings_game.vehicle.plane_speed;
00107 return max_speed;
00108 }
00109
00110 Money AIEngine::GetPrice(EngineID engine_id)
00111 {
00112 if (!IsValidEngine(engine_id)) return -1;
00113
00114 return ::GetEngine(engine_id)->GetCost();
00115 }
00116
00117 int32 AIEngine::GetMaxAge(EngineID engine_id)
00118 {
00119 if (!IsValidEngine(engine_id)) return -1;
00120 if (GetVehicleType(engine_id) == AIVehicle::VT_RAIL && IsWagon(engine_id)) return -1;
00121
00122 return ::GetEngine(engine_id)->lifelength * DAYS_IN_LEAP_YEAR;
00123 }
00124
00125 Money AIEngine::GetRunningCost(EngineID engine_id)
00126 {
00127 if (!IsValidEngine(engine_id)) return -1;
00128
00129 return ::GetEngine(engine_id)->GetRunningCost();
00130 }
00131
00132 int32 AIEngine::GetPower(EngineID engine_id)
00133 {
00134 if (!IsValidEngine(engine_id)) return -1;
00135 if (GetVehicleType(engine_id) != AIVehicle::VT_RAIL) return -1;
00136 if (IsWagon(engine_id)) return -1;
00137
00138 return ::GetEngine(engine_id)->GetPower();
00139 }
00140
00141 int32 AIEngine::GetWeight(EngineID engine_id)
00142 {
00143 if (!IsValidEngine(engine_id)) return -1;
00144 if (GetVehicleType(engine_id) != AIVehicle::VT_RAIL) return -1;
00145
00146 return ::GetEngine(engine_id)->GetDisplayWeight();
00147 }
00148
00149 int32 AIEngine::GetMaxTractiveEffort(EngineID engine_id)
00150 {
00151 if (!IsValidEngine(engine_id)) return -1;
00152 if (GetVehicleType(engine_id) != AIVehicle::VT_RAIL) return -1;
00153 if (IsWagon(engine_id)) return -1;
00154
00155 return ::GetEngine(engine_id)->GetDisplayMaxTractiveEffort();
00156 }
00157
00158 AIVehicle::VehicleType AIEngine::GetVehicleType(EngineID engine_id)
00159 {
00160 if (!IsValidEngine(engine_id)) return AIVehicle::VT_INVALID;
00161
00162 switch (::GetEngine(engine_id)->type) {
00163 case VEH_ROAD: return AIVehicle::VT_ROAD;
00164 case VEH_TRAIN: return AIVehicle::VT_RAIL;
00165 case VEH_SHIP: return AIVehicle::VT_WATER;
00166 case VEH_AIRCRAFT: return AIVehicle::VT_AIR;
00167 default: NOT_REACHED();
00168 }
00169 }
00170
00171 bool AIEngine::IsWagon(EngineID engine_id)
00172 {
00173 if (!IsValidEngine(engine_id)) return false;
00174 if (GetVehicleType(engine_id) != AIVehicle::VT_RAIL) return false;
00175
00176 return ::RailVehInfo(engine_id)->power == 0;
00177 }
00178
00179 bool AIEngine::CanRunOnRail(EngineID engine_id, AIRail::RailType track_rail_type)
00180 {
00181 if (!IsValidEngine(engine_id)) return false;
00182 if (GetVehicleType(engine_id) != AIVehicle::VT_RAIL) return false;
00183 if (!AIRail::IsRailTypeAvailable(track_rail_type)) return false;
00184
00185 return ::IsCompatibleRail((::RailType)::RailVehInfo(engine_id)->railtype, (::RailType)track_rail_type);
00186 }
00187
00188 bool AIEngine::HasPowerOnRail(EngineID engine_id, AIRail::RailType track_rail_type)
00189 {
00190 if (!IsValidEngine(engine_id)) return false;
00191 if (GetVehicleType(engine_id) != AIVehicle::VT_RAIL) return false;
00192 if (!AIRail::IsRailTypeAvailable(track_rail_type)) return false;
00193
00194 return ::HasPowerOnRail((::RailType)::RailVehInfo(engine_id)->railtype, (::RailType)track_rail_type);
00195 }
00196
00197 AIRoad::RoadType AIEngine::GetRoadType(EngineID engine_id)
00198 {
00199 if (!IsValidEngine(engine_id)) return AIRoad::ROADTYPE_INVALID;
00200 if (GetVehicleType(engine_id) != AIVehicle::VT_ROAD) return AIRoad::ROADTYPE_INVALID;
00201
00202 return HasBit(::EngInfo(engine_id)->misc_flags, EF_ROAD_TRAM) ? AIRoad::ROADTYPE_TRAM : AIRoad::ROADTYPE_ROAD;
00203 }
00204
00205 AIRail::RailType AIEngine::GetRailType(EngineID engine_id)
00206 {
00207 if (!IsValidEngine(engine_id)) return AIRail::RAILTYPE_INVALID;
00208 if (GetVehicleType(engine_id) != AIVehicle::VT_RAIL) return AIRail::RAILTYPE_INVALID;
00209
00210 return (AIRail::RailType)(uint)::RailVehInfo(engine_id)->railtype;
00211 }
00212
00213 bool AIEngine::IsArticulated(EngineID engine_id)
00214 {
00215 if (!IsValidEngine(engine_id)) return false;
00216 if (GetVehicleType(engine_id) != AIVehicle::VT_ROAD && GetVehicleType(engine_id) != AIVehicle::VT_RAIL) return false;
00217
00218 return CountArticulatedParts(engine_id, true) != 0;
00219 }
00220
00221 AIAirport::PlaneType AIEngine::GetPlaneType(EngineID engine_id)
00222 {
00223 if (!IsValidEngine(engine_id)) return AIAirport::PT_INVALID;
00224 if (GetVehicleType(engine_id) != AIVehicle::VT_AIR) return AIAirport::PT_INVALID;
00225
00226 return (AIAirport::PlaneType)::AircraftVehInfo(engine_id)->subtype;
00227 }