utils.qh

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#pragma once

int maxclients;

const string STR_PLAYER = "player";
const string STR_SPECTATOR = "spectator";
const string STR_OBSERVER = "observer";

#define IS_PLAYER(v) ((v).classname == STR_PLAYER)
#define IS_SPEC(v) ((v).classname == STR_SPECTATOR)
#define IS_OBSERVER(v) ((v).classname == STR_OBSERVER)

#define IS_CLIENT(v) (v.flags & FL_CLIENT)

#define IS_BOT_CLIENT(v) (clienttype(v) == CLIENTTYPE_BOT)
#define IS_FAKE_CLIENT(v) (clienttype(v) == CLIENTTYPE_NOTACLIENT)
#define IS_REAL_CLIENT(v) (clienttype(v) == CLIENTTYPE_REAL)

#define IS_NOT_A_CLIENT(v) (!IS_CLIENT(v))

#define IS_MONSTER(v) (v.flags & FL_MONSTER)
#define IS_VEHICLE(v) (v.vehicle_flags & VHF_ISVEHICLE)
#define IS_TURRET(v) (v.turret_flags & TUR_FLAG_ISTURRET)

#define IS_MOVABLE(v) ((IS_PLAYER(v) || IS_MONSTER(v)) && !STAT(FROZEN, v))
#define IS_DEAD(s) ((s).deadflag != DEAD_NO)

#define CENTER_OR_VIEWOFS(ent) (ent.origin + (IS_PLAYER(ent) ? ent.view_ofs : ((ent.mins + ent.maxs) * 0.5)))

// NOTE: FOR_EACH_CLIENTSLOT deprecated! Use the following instead: FOREACH_CLIENTSLOT(true, { code; });
// NOTE: FOR_EACH_CLIENT deprecated! Use the following instead: FOREACH_CLIENT(true, { code; });
// NOTE: FOR_EACH_REALCLIENT deprecated! Use the following instead: FOREACH_CLIENT(IS_REAL_CLIENT(it), { code; });

// NOTE: FOR_EACH_PLAYER deprecated! Use the following instead: FOREACH_CLIENT(IS_PLAYER(it), { code; });
// NOTE: FOR_EACH_SPEC deprecated! Use the following instead: FOREACH_CLIENT(IS_SPEC(it), { code; });
// NOTE: FOR_EACH_OBSERVER deprecated! Use the following instead: FOREACH_CLIENT(IS_OBSERVER(it), { code; });
// NOTE: FOR_EACH_REALPLAYER deprecated! Use the following instead: FOREACH_CLIENT(IS_PLAYER(it) && IS_REAL_CLIENT(it), { code; });

#define FOREACH_CLIENTSLOT(cond, body) \
    MACRO_BEGIN \
        for(int _i = 1; _i <= maxclients; ++_i) \
        { \
            const noref int i = _i; \
            ITER_CONST noref entity it = ftoe(i); \
            if(cond) { LAMBDA(body) } \
        } \
    MACRO_END

#define FOREACH_CLIENT(cond, body) FOREACH_CLIENTSLOT(IS_CLIENT(it) && (cond), LAMBDA(body))

// using the "inside out" version of knuth-fisher-yates shuffle
// https://en.wikipedia.org/wiki/Fisher–Yates_shuffle
entity _FCR_clients[255];
bool _FCR_entered = false;
#define FOREACH_CLIENT_RANDOM(cond, body) \
    MACRO_BEGIN \
        if (_FCR_entered) LOG_FATAL("FOREACH_CLIENT_RANDOM must not be nested"); \
        _FCR_entered = true; \
        int _cnt = 0; \
        FOREACH_CLIENT(cond, { \
            int _j = floor(random() * (_cnt + 1)); \
            if (_j != _cnt) \
                _FCR_clients[_cnt] = _FCR_clients[_j]; \
            _FCR_clients[_j] = it; \
            ++_cnt; \
        }); \
        for (int _i = 0; _i < _cnt; ++_i) \
        { \
            const noref int i = _i; \
            ITER_CONST noref entity it = _FCR_clients[i]; \
            if (cond) { LAMBDA(body) } \
        } \
        _FCR_entered = false; \
    MACRO_END

// NOTE: FOR_EACH_MONSTER deprecated! Use the following instead: IL_EACH(g_monsters, true, { code; });