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/* $Id$ */
/*
* This file is part of OpenTTD.
* 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.
* 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.
* 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/>.
*/
/** @file group.h Base class for groups and group functions. */
#ifndef GROUP_H
#define GROUP_H
#include "group_type.h"
#include "core/pool_type.hpp"
#include "company_type.h"
#include "vehicle_type.h"
#include "engine_type.h"
typedef Pool<Group, GroupID, 16, 64000> GroupPool;
extern GroupPool _group_pool; ///< Pool of groups.
/** Statistics and caches on the vehicles in a group. */
struct GroupStatistics {
uint16 num_vehicle; ///< Number of vehicles.
uint16 *num_engines; ///< Caches the number of engines of each type the company owns.
bool autoreplace_defined; ///< Are any autoreplace rules set?
bool autoreplace_finished; ///< Have all autoreplacement finished?
uint16 num_profit_vehicle; ///< Number of vehicles considered for profit statistics;
Money profit_last_year; ///< Sum of profits for all vehicles.
GroupStatistics();
~GroupStatistics();
void Clear();
void ClearProfits()
{
this->num_profit_vehicle = 0;
this->profit_last_year = 0;
}
void ClearAutoreplace()
{
this->autoreplace_defined = false;
this->autoreplace_finished = false;
}
static GroupStatistics &Get(CompanyID company, GroupID id_g, VehicleType type);
static GroupStatistics &Get(const Vehicle *v);
static GroupStatistics &GetAllGroup(const Vehicle *v);
static void CountVehicle(const Vehicle *v, int delta);
static void CountEngine(const Vehicle *v, int delta);
static void VehicleReachedProfitAge(const Vehicle *v);
static void UpdateProfits();
static void UpdateAfterLoad();
static void UpdateAutoreplace(CompanyID company);
};
/** Group data. */
struct Group : GroupPool::PoolItem<&_group_pool> {
char *name; ///< Group Name
OwnerByte owner; ///< Group Owner
VehicleTypeByte vehicle_type; ///< Vehicle type of the group
bool replace_protection; ///< If set to true, the global autoreplace have no effect on the group
GroupStatistics statistics; ///< NOSAVE: Statistics and caches on the vehicles in the group.
Group(CompanyID owner = INVALID_COMPANY);
~Group();
};
static inline bool IsDefaultGroupID(GroupID index)
{
return index == DEFAULT_GROUP;
}
/**
* Checks if a GroupID stands for all vehicles of a company
* @param id_g The GroupID to check
* @return true is id_g is identical to ALL_GROUP
*/
static inline bool IsAllGroupID(GroupID id_g)
{
return id_g == ALL_GROUP;
}
#define FOR_ALL_GROUPS_FROM(var, start) FOR_ALL_ITEMS_FROM(Group, group_index, var, start)
#define FOR_ALL_GROUPS(var) FOR_ALL_GROUPS_FROM(var, 0)
uint GetGroupNumEngines(CompanyID company, GroupID id_g, EngineID id_e);
void SetTrainGroupID(Train *v, GroupID grp);
void UpdateTrainGroupID(Train *v);
void RemoveVehicleFromGroup(const Vehicle *v);
void RemoveAllGroupsForCompany(const CompanyID company);
extern GroupID _new_group_id;
#endif /* GROUP_H */
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