ai_event_types.cpp

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00001 /* $Id: ai_event_types.cpp 15705 2009-03-13 23:49:12Z frosch $ */
00002 
00005 #include "ai_event_types.hpp"
00006 #include "../../strings_func.h"
00007 #include "../../settings_type.h"
00008 #include "../../aircraft.h"
00009 #include "../../articulated_vehicles.h"
00010 #include "table/strings.h"
00011 
00012 char *AIEventEnginePreview::GetName()
00013 {
00014   static const int len = 64;
00015   char *engine_name = MallocT<char>(len);
00016 
00017   ::SetDParam(0, engine);
00018   ::GetString(engine_name, STR_ENGINE_NAME, &engine_name[len - 1]);
00019   return engine_name;
00020 }
00021 
00022 CargoID AIEventEnginePreview::GetCargoType()
00023 {
00024   const Engine *e = ::GetEngine(engine);
00025   if (!e->CanCarryCargo()) return CT_INVALID;
00026   return e->GetDefaultCargoType();
00027 }
00028 
00029 int32 AIEventEnginePreview::GetCapacity()
00030 {
00031   const Engine *e = ::GetEngine(engine);
00032   switch (e->type) {
00033     case VEH_ROAD:
00034     case VEH_TRAIN: {
00035       uint16 *capacities = GetCapacityOfArticulatedParts(engine, e->type);
00036       for (CargoID c = 0; c < NUM_CARGO; c++) {
00037         if (capacities[c] == 0) continue;
00038         return capacities[c];
00039       }
00040       return -1;
00041     } break;
00042 
00043     case VEH_SHIP:
00044       return e->u.ship.capacity;
00045       break;
00046 
00047     case VEH_AIRCRAFT:
00048       return AircraftDefaultCargoCapacity(e->GetDefaultCargoType(), &e->u.air);
00049       break;
00050 
00051     default: NOT_REACHED();
00052   }
00053 }
00054 
00055 int32 AIEventEnginePreview::GetMaxSpeed()
00056 {
00057   const Engine *e = ::GetEngine(engine);
00058   int32 max_speed = e->GetDisplayMaxSpeed(); // km-ish/h
00059   if (e->type == VEH_AIRCRAFT) max_speed /= _settings_game.vehicle.plane_speed;
00060   return max_speed;
00061 }
00062 
00063 Money AIEventEnginePreview::GetPrice()
00064 {
00065   return ::GetEngine(engine)->GetCost();
00066 }
00067 
00068 Money AIEventEnginePreview::GetRunningCost()
00069 {
00070   return ::GetEngine(engine)->GetRunningCost();
00071 }
00072 
00073 AIVehicle::VehicleType AIEventEnginePreview::GetVehicleType()
00074 {
00075   switch (::GetEngine(engine)->type) {
00076     case VEH_ROAD:     return AIVehicle::VT_ROAD;
00077     case VEH_TRAIN:    return AIVehicle::VT_RAIL;
00078     case VEH_SHIP:     return AIVehicle::VT_WATER;
00079     case VEH_AIRCRAFT: return AIVehicle::VT_AIR;
00080     default: NOT_REACHED();
00081   }
00082 }
00083 
00084 bool AIEventEnginePreview::AcceptPreview()
00085 {
00086   return AIObject::DoCommand(0, engine, 0, CMD_WANT_ENGINE_PREVIEW);
00087 }

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