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Location: cpp/openttd-patchpack/source/src/group.h
r7939:523d421f9d0c
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(svn r11492) -Codechange: [OSX] Split the cocoa video driver into several files. The reason for this is that the fullscreen and windowed mode api are separate from each other in OS X and thus the driver actual is two drivers in one. This split is to make the code more readable and to prepare for replacing the Quickdraw windowed mode code which uses apis deprecated as of OS X 10.5 (and maybe earlier).
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/** @file group.h */
#ifndef GROUP_H
#define GROUP_H
#include "oldpool.h"
enum {
ALL_GROUP = 0xFFFD,
DEFAULT_GROUP = 0xFFFE,
INVALID_GROUP = 0xFFFF,
};
struct Group;
DECLARE_OLD_POOL(Group, Group, 5, 2047)
struct Group : PoolItem<Group, GroupID, &_Group_pool> {
StringID string_id; ///< Group Name
uint16 num_vehicle; ///< Number of vehicles wich belong to the group
PlayerID 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
uint16 num_engines[TOTAL_NUM_ENGINES]; ///< Caches the number of engines of each type the player owns (no need to save this)
Group(StringID str = STR_NULL);
virtual ~Group();
bool IsValid() const;
};
static inline bool IsValidGroupID(GroupID index)
{
return index < GetGroupPoolSize() && GetGroup(index)->IsValid();
}
static inline bool IsDefaultGroupID(GroupID index)
{
return index == DEFAULT_GROUP;
}
/**
* Checks if a GroupID stands for all vehicles of a player
* @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(g, start) for (g = GetGroup(start); g != NULL; g = (g->index + 1U < GetGroupPoolSize()) ? GetGroup(g->index + 1) : NULL) if (g->IsValid())
#define FOR_ALL_GROUPS(g) FOR_ALL_GROUPS_FROM(g, 0)
/**
* Get the current size of the GroupPool
*/
static inline uint GetGroupArraySize(void)
{
const Group *g;
uint num = 0;
FOR_ALL_GROUPS(g) num++;
return num;
}
/**
* Get the number of engines with EngineID id_e in the group with GroupID
* id_g
* @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
*/
static inline uint GetGroupNumEngines(PlayerID p, GroupID id_g, EngineID id_e)
{
if (IsValidGroupID(id_g)) return GetGroup(id_g)->num_engines[id_e];
uint num = GetPlayer(p)->num_engines[id_e];
if (!IsDefaultGroupID(id_g)) return num;
const Group *g;
FOR_ALL_GROUPS(g) {
if (g->owner == p) num -= g->num_engines[id_e];
}
return num;
}
static inline void IncreaseGroupNumVehicle(GroupID id_g)
{
if (IsValidGroupID(id_g)) GetGroup(id_g)->num_vehicle++;
}
static inline void DecreaseGroupNumVehicle(GroupID id_g)
{
if (IsValidGroupID(id_g)) GetGroup(id_g)->num_vehicle--;
}
void InitializeGroup();
void SetTrainGroupID(Vehicle *v, GroupID grp);
void UpdateTrainGroupID(Vehicle *v);
void RemoveVehicleFromGroup(const Vehicle *v);
void RemoveAllGroupsForPlayer(const Player *p);
#endif /* GROUP_H */
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