# group.h

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    00001 /* $Id$ */
    00002
    00003 /*
    00004  * This file is part of OpenTTD.
    00005  * 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.
    00006  * 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.
    00007  * 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/>.
    00008  */
    00009
    00012 #ifndef GROUP_H
    00013 #define GROUP_H
    00014
    00015 #include "group_type.h"
    00016 #include "core/pool_type.hpp"
    00017 #include "company_type.h"
    00018 #include "vehicle_type.h"
    00019 #include "engine_type.h"
    00020
    00021 typedef Pool<Group, GroupID, 16, 64000> GroupPool;
    00022 extern GroupPool _group_pool;
    00023
    00024 struct Group : GroupPool::PoolItem<&_group_pool> {
    00025   char *name;
    00026
    00027   uint16 num_vehicle;
    00028   OwnerByte owner;
    00029   VehicleTypeByte vehicle_type;
    00030
    00031   bool replace_protection;
    00032   uint16 *num_engines;
    00033
    00034   Group(CompanyID owner = INVALID_COMPANY);
    00035   ~Group();
    00036 };
    00037
    00038
    00039 static inline bool IsDefaultGroupID(GroupID index)
    00040 {
    00041   return index == DEFAULT_GROUP;
    00042 }
    00043
    00049 static inline bool IsAllGroupID(GroupID id_g)
    00050 {
    00051   return id_g == ALL_GROUP;
    00052 }
    00053
    00054 #define FOR_ALL_GROUPS_FROM(var, start) FOR_ALL_ITEMS_FROM(Group, group_index, var, start)
    00055 #define FOR_ALL_GROUPS(var) FOR_ALL_GROUPS_FROM(var, 0)
    00056
    00060 static inline uint GetGroupArraySize()
    00061 {
    00062   const Group *g;
    00063   uint num = 0;
    00064
    00065   FOR_ALL_GROUPS(g) num++;
    00066
    00067   return num;
    00068 }
    00069
    00070 uint GetGroupNumEngines(CompanyID company, GroupID id_g, EngineID id_e);
    00071
    00072 static inline void IncreaseGroupNumVehicle(GroupID id_g)
    00073 {
    00074   Group *g = Group::GetIfValid(id_g);
    00075   if (g != NULL) g->num_vehicle++;
    00076 }
    00077
    00078 static inline void DecreaseGroupNumVehicle(GroupID id_g)
    00079 {
    00080   Group *g = Group::GetIfValid(id_g);
    00081   if (g != NULL) g->num_vehicle--;
    00082 }
    00083
    00084
    00085 void InitializeGroup();
    00086 void SetTrainGroupID(Train *v, GroupID grp);
    00087 void UpdateTrainGroupID(Train *v);
    00088 void RemoveVehicleFromGroup(const Vehicle *v);
    00089 void RemoveAllGroupsForCompany(const CompanyID company);
    00090
    00091 extern GroupID _new_group_id;
    00092
    00093 #endif /* GROUP_H */