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122 lines
3.4 KiB
C++
122 lines
3.4 KiB
C++
/* $Id$ */
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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_event_types.cpp Implementation of all EventTypes. */
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#include "../../stdafx.h"
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#include "script_event_types.hpp"
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#include "script_vehicle.hpp"
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#include "../../command_type.h"
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#include "../../strings_func.h"
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#include "../../settings_type.h"
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#include "../../engine_base.h"
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#include "../../articulated_vehicles.h"
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#include "table/strings.h"
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bool AIEventEnginePreview::IsEngineValid() const
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{
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const Engine *e = ::Engine::GetIfValid(this->engine);
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return e != NULL && e->IsEnabled();
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}
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char *AIEventEnginePreview::GetName()
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{
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if (!this->IsEngineValid()) 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, this->engine);
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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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CargoID AIEventEnginePreview::GetCargoType()
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{
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if (!this->IsEngineValid()) return CT_INVALID;
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CargoArray cap = ::GetCapacityOfArticulatedParts(this->engine);
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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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int32 AIEventEnginePreview::GetCapacity()
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{
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if (!this->IsEngineValid()) return -1;
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const Engine *e = ::Engine::Get(this->engine);
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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(this->engine);
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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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int32 AIEventEnginePreview::GetMaxSpeed()
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{
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if (!this->IsEngineValid()) return -1;
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const Engine *e = ::Engine::Get(this->engine);
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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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Money AIEventEnginePreview::GetPrice()
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{
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if (!this->IsEngineValid()) return -1;
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return ::Engine::Get(this->engine)->GetCost();
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}
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Money AIEventEnginePreview::GetRunningCost()
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{
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if (!this->IsEngineValid()) return -1;
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return ::Engine::Get(this->engine)->GetRunningCost();
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}
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int32 AIEventEnginePreview::GetVehicleType()
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{
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if (!this->IsEngineValid()) return AIVehicle::VT_INVALID;
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switch (::Engine::Get(this->engine)->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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bool AIEventEnginePreview::AcceptPreview()
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{
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if (!this->IsEngineValid()) return false;
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return AIObject::DoCommand(0, this->engine, 0, CMD_WANT_ENGINE_PREVIEW);
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}
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bool AIEventCompanyAskMerger::AcceptMerger()
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{
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return AIObject::DoCommand(0, this->owner, 0, CMD_BUY_COMPANY);
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}
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