mirror of
https://github.com/JGRennison/OpenTTD-patches.git
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625 lines
18 KiB
C++
625 lines
18 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 group_cmd.cpp Handling of the engine groups */
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#include "stdafx.h"
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#include "cmd_helper.h"
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#include "command_func.h"
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#include "train.h"
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#include "vehiclelist.h"
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#include "vehicle_func.h"
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#include "autoreplace_base.h"
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#include "autoreplace_func.h"
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#include "string_func.h"
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#include "company_func.h"
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#include "core/pool_func.hpp"
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#include "order_backup.h"
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#include "table/strings.h"
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GroupID _new_group_id;
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GroupPool _group_pool("Group");
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INSTANTIATE_POOL_METHODS(Group)
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GroupStatistics::GroupStatistics()
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{
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this->num_engines = CallocT<uint16>(Engine::GetPoolSize());
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}
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GroupStatistics::~GroupStatistics()
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{
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free(this->num_engines);
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}
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/**
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* Clear all caches.
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*/
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void GroupStatistics::Clear()
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{
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this->num_vehicle = 0;
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this->num_profit_vehicle = 0;
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this->profit_last_year = 0;
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/* This is also called when NewGRF change. So the number of engines might have changed. Reallocate. */
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free(this->num_engines);
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this->num_engines = CallocT<uint16>(Engine::GetPoolSize());
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}
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/**
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* Returns the GroupStatistics for a specific group.
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* @param company Owner of the group.
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* @param id_g GroupID of the group.
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* @param type VehicleType of the vehicles in the group.
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* @return Statistics for the group.
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*/
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/* static */ GroupStatistics &GroupStatistics::Get(CompanyID company, GroupID id_g, VehicleType type)
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{
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if (Group::IsValidID(id_g)) {
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Group *g = Group::Get(id_g);
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assert(g->owner == company);
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assert(g->vehicle_type == type);
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return g->statistics;
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}
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if (IsDefaultGroupID(id_g)) return Company::Get(company)->group_default[type];
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if (IsAllGroupID(id_g)) return Company::Get(company)->group_all[type];
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NOT_REACHED();
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}
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/**
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* Returns the GroupStatistic for the group of a vehicle.
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* @param v Vehicle.
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* @return GroupStatistics for the group of the vehicle.
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*/
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/* static */ GroupStatistics &GroupStatistics::Get(const Vehicle *v)
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{
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return GroupStatistics::Get(v->owner, v->group_id, v->type);
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}
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/**
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* Returns the GroupStatistic for the ALL_GROUPO of a vehicle type.
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* @param v Vehicle.
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* @return GroupStatistics for the ALL_GROUP of the vehicle type.
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*/
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/* static */ GroupStatistics &GroupStatistics::GetAllGroup(const Vehicle *v)
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{
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return GroupStatistics::Get(v->owner, ALL_GROUP, v->type);
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}
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/**
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* Update all caches after loading a game, changing NewGRF etc..
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*/
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/* static */ void GroupStatistics::UpdateAfterLoad()
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{
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/* Set up the engine count for all companies */
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Company *c;
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FOR_ALL_COMPANIES(c) {
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for (VehicleType type = VEH_BEGIN; type < VEH_COMPANY_END; type++) {
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c->group_all[type].Clear();
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c->group_default[type].Clear();
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}
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}
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/* Recalculate */
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Group *g;
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FOR_ALL_GROUPS(g) {
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g->statistics.Clear();
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}
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const Vehicle *v;
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FOR_ALL_VEHICLES(v) {
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if (!v->IsEngineCountable()) continue;
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GroupStatistics::CountEngine(v, 1);
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if (v->IsPrimaryVehicle()) GroupStatistics::CountVehicle(v, 1);
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}
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FOR_ALL_COMPANIES(c) {
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GroupStatistics::UpdateAutoreplace(c->index);
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}
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}
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/**
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* Update num_vehicle when adding or removing a vehicle.
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* @param v Vehicle to count.
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* @param delta +1 to add, -1 to remove.
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*/
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/* static */ void GroupStatistics::CountVehicle(const Vehicle *v, int delta)
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{
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assert(delta == 1 || delta == -1);
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GroupStatistics &stats_all = GroupStatistics::GetAllGroup(v);
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GroupStatistics &stats = GroupStatistics::Get(v);
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stats_all.num_vehicle += delta;
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stats.num_vehicle += delta;
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if (v->age > VEHICLE_PROFIT_MIN_AGE) {
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stats_all.num_profit_vehicle += delta;
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stats_all.profit_last_year += v->GetDisplayProfitLastYear() * delta;
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stats.num_profit_vehicle += delta;
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stats.profit_last_year += v->GetDisplayProfitLastYear() * delta;
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}
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}
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/**
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* Update num_engines when adding/removing an engine.
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* @param v Engine to count.
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* @param delta +1 to add, -1 to remove.
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*/
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/* static */ void GroupStatistics::CountEngine(const Vehicle *v, int delta)
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{
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assert(delta == 1 || delta == -1);
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GroupStatistics::GetAllGroup(v).num_engines[v->engine_type] += delta;
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GroupStatistics::Get(v).num_engines[v->engine_type] += delta;
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}
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/**
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* Add a vehicle to the profit sum of its group.
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*/
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/* static */ void GroupStatistics::VehicleReachedProfitAge(const Vehicle *v)
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{
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GroupStatistics &stats_all = GroupStatistics::GetAllGroup(v);
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GroupStatistics &stats = GroupStatistics::Get(v);
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stats_all.num_profit_vehicle++;
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stats_all.profit_last_year += v->GetDisplayProfitLastYear();
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stats.num_profit_vehicle++;
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stats.profit_last_year += v->GetDisplayProfitLastYear();
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}
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/**
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* Recompute the profits for all groups.
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*/
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/* static */ void GroupStatistics::UpdateProfits()
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{
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/* Set up the engine count for all companies */
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Company *c;
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FOR_ALL_COMPANIES(c) {
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for (VehicleType type = VEH_BEGIN; type < VEH_COMPANY_END; type++) {
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c->group_all[type].ClearProfits();
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c->group_default[type].ClearProfits();
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}
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}
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/* Recalculate */
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Group *g;
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FOR_ALL_GROUPS(g) {
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g->statistics.ClearProfits();
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}
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const Vehicle *v;
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FOR_ALL_VEHICLES(v) {
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if (v->IsPrimaryVehicle() && v->age > VEHICLE_PROFIT_MIN_AGE) GroupStatistics::VehicleReachedProfitAge(v);
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}
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}
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/**
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* Update autoreplace_defined and autoreplace_finished of all statistics of a company.
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* @param company Company to update statistics for.
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*/
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/* static */ void GroupStatistics::UpdateAutoreplace(CompanyID company)
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{
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/* Set up the engine count for all companies */
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Company *c = Company::Get(company);
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for (VehicleType type = VEH_BEGIN; type < VEH_COMPANY_END; type++) {
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c->group_all[type].ClearAutoreplace();
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c->group_default[type].ClearAutoreplace();
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}
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/* Recalculate */
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Group *g;
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FOR_ALL_GROUPS(g) {
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if (g->owner != company) continue;
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g->statistics.ClearAutoreplace();
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}
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for (EngineRenewList erl = c->engine_renew_list; erl != NULL; erl = erl->next) {
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const Engine *e = Engine::Get(erl->from);
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GroupStatistics &stats = GroupStatistics::Get(company, erl->group_id, e->type);
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if (!stats.autoreplace_defined) {
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stats.autoreplace_defined = true;
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stats.autoreplace_finished = true;
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}
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if (stats.num_engines[erl->from] > 0) stats.autoreplace_finished = false;
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}
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}
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/**
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* Update the num engines of a groupID. Decrease the old one and increase the new one
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* @note called in SetTrainGroupID and UpdateTrainGroupID
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* @param v Vehicle we have to update
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* @param old_g index of the old group
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* @param new_g index of the new group
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*/
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static inline void UpdateNumEngineGroup(const Vehicle *v, GroupID old_g, GroupID new_g)
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{
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if (old_g != new_g) {
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/* Decrease the num engines in the old group */
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GroupStatistics::Get(v->owner, old_g, v->type).num_engines[v->engine_type]--;
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/* Increase the num engines in the new group */
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GroupStatistics::Get(v->owner, new_g, v->type).num_engines[v->engine_type]++;
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}
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}
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Group::Group(Owner owner)
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{
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this->owner = owner;
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}
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Group::~Group()
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{
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free(this->name);
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}
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/**
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* Create a new vehicle group.
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* @param tile unused
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* @param flags type of operation
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* @param p1 vehicle type
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* @param p2 unused
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* @param text unused
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* @return the cost of this operation or an error
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*/
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CommandCost CmdCreateGroup(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
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{
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VehicleType vt = Extract<VehicleType, 0, 3>(p1);
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if (!IsCompanyBuildableVehicleType(vt)) return CMD_ERROR;
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if (!Group::CanAllocateItem()) return CMD_ERROR;
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if (flags & DC_EXEC) {
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Group *g = new Group(_current_company);
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g->replace_protection = false;
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g->vehicle_type = vt;
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_new_group_id = g->index;
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InvalidateWindowData(GetWindowClassForVehicleType(vt), VehicleListIdentifier(VL_GROUP_LIST, vt, _current_company).Pack());
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}
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return CommandCost();
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}
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/**
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* Add all vehicles in the given group to the default group and then deletes the group.
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* @param tile unused
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* @param flags type of operation
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* @param p1 index of array group
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* - p1 bit 0-15 : GroupID
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* @param p2 unused
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* @param text unused
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* @return the cost of this operation or an error
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*/
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CommandCost CmdDeleteGroup(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
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{
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Group *g = Group::GetIfValid(p1);
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if (g == NULL || g->owner != _current_company) return CMD_ERROR;
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/* Remove all vehicles from the group */
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DoCommand(0, p1, 0, flags, CMD_REMOVE_ALL_VEHICLES_GROUP);
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if (flags & DC_EXEC) {
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/* Update backupped orders if needed */
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OrderBackup::ClearGroup(g->index);
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/* If we set an autoreplace for the group we delete, remove it. */
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if (_current_company < MAX_COMPANIES) {
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Company *c;
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EngineRenew *er;
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c = Company::Get(_current_company);
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FOR_ALL_ENGINE_RENEWS(er) {
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if (er->group_id == g->index) RemoveEngineReplacementForCompany(c, er->from, g->index, flags);
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}
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}
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VehicleType vt = g->vehicle_type;
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/* Delete the Replace Vehicle Windows */
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DeleteWindowById(WC_REPLACE_VEHICLE, g->vehicle_type);
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delete g;
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InvalidateWindowData(GetWindowClassForVehicleType(vt), VehicleListIdentifier(VL_GROUP_LIST, vt, _current_company).Pack());
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}
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return CommandCost();
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}
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static bool IsUniqueGroupName(const char *name)
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{
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const Group *g;
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FOR_ALL_GROUPS(g) {
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if (g->name != NULL && strcmp(g->name, name) == 0) return false;
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}
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return true;
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}
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/**
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* Rename a group
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* @param tile unused
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* @param flags type of operation
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* @param p1 index of array group
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* - p1 bit 0-15 : GroupID
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* @param p2 unused
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* @param text the new name or an empty string when resetting to the default
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* @return the cost of this operation or an error
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*/
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CommandCost CmdRenameGroup(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
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{
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Group *g = Group::GetIfValid(p1);
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if (g == NULL || g->owner != _current_company) return CMD_ERROR;
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bool reset = StrEmpty(text);
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if (!reset) {
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if (Utf8StringLength(text) >= MAX_LENGTH_GROUP_NAME_CHARS) return CMD_ERROR;
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if (!IsUniqueGroupName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
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}
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if (flags & DC_EXEC) {
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/* Delete the old name */
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free(g->name);
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/* Assign the new one */
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g->name = reset ? NULL : strdup(text);
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InvalidateWindowData(GetWindowClassForVehicleType(g->vehicle_type), VehicleListIdentifier(VL_GROUP_LIST, g->vehicle_type, _current_company).Pack());
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}
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return CommandCost();
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}
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/**
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* Add a vehicle to a group
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* @param tile unused
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* @param flags type of operation
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* @param p1 index of array group
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* - p1 bit 0-15 : GroupID
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* @param p2 vehicle to add to a group
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* - p2 bit 0-19 : VehicleID
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* @param text unused
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* @return the cost of this operation or an error
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*/
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CommandCost CmdAddVehicleGroup(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
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{
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Vehicle *v = Vehicle::GetIfValid(p2);
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GroupID new_g = p1;
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if (v == NULL || (!Group::IsValidID(new_g) && !IsDefaultGroupID(new_g))) return CMD_ERROR;
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if (Group::IsValidID(new_g)) {
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Group *g = Group::Get(new_g);
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if (g->owner != _current_company || g->vehicle_type != v->type) return CMD_ERROR;
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}
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if (v->owner != _current_company || !v->IsPrimaryVehicle()) return CMD_ERROR;
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if (flags & DC_EXEC) {
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GroupStatistics::CountVehicle(v, -1);
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switch (v->type) {
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default: NOT_REACHED();
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case VEH_TRAIN:
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SetTrainGroupID(Train::From(v), new_g);
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break;
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case VEH_ROAD:
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case VEH_SHIP:
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case VEH_AIRCRAFT:
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if (v->IsEngineCountable()) UpdateNumEngineGroup(v, v->group_id, new_g);
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v->group_id = new_g;
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break;
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}
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GroupStatistics::CountVehicle(v, 1);
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GroupStatistics::UpdateAutoreplace(v->owner);
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/* Update the Replace Vehicle Windows */
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SetWindowDirty(WC_REPLACE_VEHICLE, v->type);
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InvalidateWindowData(GetWindowClassForVehicleType(v->type), VehicleListIdentifier(VL_GROUP_LIST, v->type, _current_company).Pack());
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}
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return CommandCost();
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}
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/**
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* Add all shared vehicles of all vehicles from a group
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* @param tile unused
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* @param flags type of operation
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* @param p1 index of group array
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* - p1 bit 0-15 : GroupID
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* @param p2 type of vehicles
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* @param text unused
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* @return the cost of this operation or an error
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*/
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CommandCost CmdAddSharedVehicleGroup(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
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{
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VehicleType type = Extract<VehicleType, 0, 3>(p2);
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GroupID id_g = p1;
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if (!Group::IsValidID(id_g) || !IsCompanyBuildableVehicleType(type)) return CMD_ERROR;
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if (flags & DC_EXEC) {
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Vehicle *v;
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/* Find the first front engine which belong to the group id_g
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* then add all shared vehicles of this front engine to the group id_g */
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FOR_ALL_VEHICLES(v) {
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if (v->type == type && v->IsPrimaryVehicle()) {
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if (v->group_id != id_g) continue;
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/* For each shared vehicles add it to the group */
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for (Vehicle *v2 = v->FirstShared(); v2 != NULL; v2 = v2->NextShared()) {
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if (v2->group_id != id_g) DoCommand(tile, id_g, v2->index, flags, CMD_ADD_VEHICLE_GROUP, text);
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}
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}
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}
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InvalidateWindowData(GetWindowClassForVehicleType(type), VehicleListIdentifier(VL_GROUP_LIST, type, _current_company).Pack());
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}
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return CommandCost();
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}
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/**
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* Remove all vehicles from a group
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* @param tile unused
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* @param flags type of operation
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* @param p1 index of group array
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* - p1 bit 0-15 : GroupID
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* @param p2 unused
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* @param text unused
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* @return the cost of this operation or an error
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*/
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CommandCost CmdRemoveAllVehiclesGroup(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
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{
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GroupID old_g = p1;
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Group *g = Group::GetIfValid(old_g);
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if (g == NULL || g->owner != _current_company) return CMD_ERROR;
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if (flags & DC_EXEC) {
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Vehicle *v;
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/* Find each Vehicle that belongs to the group old_g and add it to the default group */
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FOR_ALL_VEHICLES(v) {
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if (v->IsPrimaryVehicle()) {
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if (v->group_id != old_g) continue;
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/* Add The Vehicle to the default group */
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DoCommand(tile, DEFAULT_GROUP, v->index, flags, CMD_ADD_VEHICLE_GROUP, text);
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}
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}
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InvalidateWindowData(GetWindowClassForVehicleType(g->vehicle_type), VehicleListIdentifier(VL_GROUP_LIST, g->vehicle_type, _current_company).Pack());
|
|
}
|
|
|
|
return CommandCost();
|
|
}
|
|
|
|
|
|
/**
|
|
* (Un)set global replace protection from a group
|
|
* @param tile unused
|
|
* @param flags type of operation
|
|
* @param p1 index of group array
|
|
* - p1 bit 0-15 : GroupID
|
|
* @param p2
|
|
* - p2 bit 0 : 1 to set or 0 to clear protection.
|
|
* @param text unused
|
|
* @return the cost of this operation or an error
|
|
*/
|
|
CommandCost CmdSetGroupReplaceProtection(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
|
|
{
|
|
Group *g = Group::GetIfValid(p1);
|
|
if (g == NULL || g->owner != _current_company) return CMD_ERROR;
|
|
|
|
if (flags & DC_EXEC) {
|
|
g->replace_protection = HasBit(p2, 0);
|
|
|
|
InvalidateWindowData(GetWindowClassForVehicleType(g->vehicle_type), VehicleListIdentifier(VL_GROUP_LIST, g->vehicle_type, _current_company).Pack());
|
|
InvalidateWindowData(WC_REPLACE_VEHICLE, g->vehicle_type);
|
|
}
|
|
|
|
return CommandCost();
|
|
}
|
|
|
|
/**
|
|
* Decrease the num_vehicle variable before delete an front engine from a group
|
|
* @note Called in CmdSellRailWagon and DeleteLasWagon,
|
|
* @param v FrontEngine of the train we want to remove.
|
|
*/
|
|
void RemoveVehicleFromGroup(const Vehicle *v)
|
|
{
|
|
if (!v->IsPrimaryVehicle()) return;
|
|
|
|
if (!IsDefaultGroupID(v->group_id)) GroupStatistics::CountVehicle(v, -1);
|
|
}
|
|
|
|
|
|
/**
|
|
* Affect the groupID of a train to new_g.
|
|
* @note called in CmdAddVehicleGroup and CmdMoveRailVehicle
|
|
* @param v First vehicle of the chain.
|
|
* @param new_g index of array group
|
|
*/
|
|
void SetTrainGroupID(Train *v, GroupID new_g)
|
|
{
|
|
if (!Group::IsValidID(new_g) && !IsDefaultGroupID(new_g)) return;
|
|
|
|
assert(v->IsFrontEngine() || IsDefaultGroupID(new_g));
|
|
|
|
for (Vehicle *u = v; u != NULL; u = u->Next()) {
|
|
if (u->IsEngineCountable()) UpdateNumEngineGroup(u, u->group_id, new_g);
|
|
|
|
u->group_id = new_g;
|
|
}
|
|
|
|
/* Update the Replace Vehicle Windows */
|
|
GroupStatistics::UpdateAutoreplace(v->owner);
|
|
SetWindowDirty(WC_REPLACE_VEHICLE, VEH_TRAIN);
|
|
}
|
|
|
|
|
|
/**
|
|
* Recalculates the groupID of a train. Should be called each time a vehicle is added
|
|
* to/removed from the chain,.
|
|
* @note this needs to be called too for 'wagon chains' (in the depot, without an engine)
|
|
* @note Called in CmdBuildRailVehicle, CmdBuildRailWagon, CmdMoveRailVehicle, CmdSellRailWagon
|
|
* @param v First vehicle of the chain.
|
|
*/
|
|
void UpdateTrainGroupID(Train *v)
|
|
{
|
|
assert(v->IsFrontEngine() || v->IsFreeWagon());
|
|
|
|
GroupID new_g = v->IsFrontEngine() ? v->group_id : (GroupID)DEFAULT_GROUP;
|
|
for (Vehicle *u = v; u != NULL; u = u->Next()) {
|
|
if (u->IsEngineCountable()) UpdateNumEngineGroup(u, u->group_id, new_g);
|
|
|
|
u->group_id = new_g;
|
|
}
|
|
|
|
/* Update the Replace Vehicle Windows */
|
|
GroupStatistics::UpdateAutoreplace(v->owner);
|
|
SetWindowDirty(WC_REPLACE_VEHICLE, VEH_TRAIN);
|
|
}
|
|
|
|
/**
|
|
* Get the number of engines with EngineID id_e in the group with GroupID
|
|
* id_g
|
|
* @param company The company the group belongs to
|
|
* @param id_g The GroupID of the group used
|
|
* @param id_e The EngineID of the engine to count
|
|
* @return The number of engines with EngineID id_e in the group
|
|
*/
|
|
uint GetGroupNumEngines(CompanyID company, GroupID id_g, EngineID id_e)
|
|
{
|
|
const Engine *e = Engine::Get(id_e);
|
|
return GroupStatistics::Get(company, id_g, e->type).num_engines[id_e];
|
|
}
|
|
|
|
void RemoveAllGroupsForCompany(const CompanyID company)
|
|
{
|
|
Group *g;
|
|
|
|
FOR_ALL_GROUPS(g) {
|
|
if (company == g->owner) delete g;
|
|
}
|
|
}
|