ai_event_types.cpp

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00001 /* $Id: ai_event_types.cpp 15765 2009-03-18 19:50:34Z rubidium $ */
00002 
00005 #include "ai_event_types.hpp"
00006 #include "../../command_type.h"
00007 #include "../../strings_func.h"
00008 #include "../../settings_type.h"
00009 #include "../../rail.h"
00010 #include "../../engine_base.h"
00011 #include "../../articulated_vehicles.h"
00012 #include "table/strings.h"
00013 
00014 char *AIEventEnginePreview::GetName()
00015 {
00016   static const int len = 64;
00017   char *engine_name = MallocT<char>(len);
00018 
00019   ::SetDParam(0, engine);
00020   ::GetString(engine_name, STR_ENGINE_NAME, &engine_name[len - 1]);
00021   return engine_name;
00022 }
00023 
00024 CargoID AIEventEnginePreview::GetCargoType()
00025 {
00026   const Engine *e = ::GetEngine(engine);
00027   if (!e->CanCarryCargo()) return CT_INVALID;
00028   return e->GetDefaultCargoType();
00029 }
00030 
00031 int32 AIEventEnginePreview::GetCapacity()
00032 {
00033   const Engine *e = ::GetEngine(engine);
00034   switch (e->type) {
00035     case VEH_ROAD:
00036     case VEH_TRAIN: {
00037       uint16 *capacities = GetCapacityOfArticulatedParts(engine, e->type);
00038       for (CargoID c = 0; c < NUM_CARGO; c++) {
00039         if (capacities[c] == 0) continue;
00040         return capacities[c];
00041       }
00042       return -1;
00043     } break;
00044 
00045     case VEH_SHIP:
00046     case VEH_AIRCRAFT:
00047       return e->GetDisplayDefaultCapacity();
00048       break;
00049 
00050     default: NOT_REACHED();
00051   }
00052 }
00053 
00054 int32 AIEventEnginePreview::GetMaxSpeed()
00055 {
00056   const Engine *e = ::GetEngine(engine);
00057   int32 max_speed = e->GetDisplayMaxSpeed(); // km-ish/h
00058   if (e->type == VEH_AIRCRAFT) max_speed /= _settings_game.vehicle.plane_speed;
00059   return max_speed;
00060 }
00061 
00062 Money AIEventEnginePreview::GetPrice()
00063 {
00064   return ::GetEngine(engine)->GetCost();
00065 }
00066 
00067 Money AIEventEnginePreview::GetRunningCost()
00068 {
00069   return ::GetEngine(engine)->GetRunningCost();
00070 }
00071 
00072 AIVehicle::VehicleType AIEventEnginePreview::GetVehicleType()
00073 {
00074   switch (::GetEngine(engine)->type) {
00075     case VEH_ROAD:     return AIVehicle::VT_ROAD;
00076     case VEH_TRAIN:    return AIVehicle::VT_RAIL;
00077     case VEH_SHIP:     return AIVehicle::VT_WATER;
00078     case VEH_AIRCRAFT: return AIVehicle::VT_AIR;
00079     default: NOT_REACHED();
00080   }
00081 }
00082 
00083 bool AIEventEnginePreview::AcceptPreview()
00084 {
00085   return AIObject::DoCommand(0, engine, 0, CMD_WANT_ENGINE_PREVIEW);
00086 }

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