stats.qh

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#pragma once

// TODO: rename to 'netvars'

#include "registry.qh"
#include "sort.qh"

.int m_id;
USING(vectori, vector);

const int STATS_ENGINE_RESERVE = 32;
// must be listed in ascending order
#define MAGIC_STATS(_, x) \
    _(x, MOVEVARS_AIRACCEL_QW_STRETCHFACTOR, 220) \
    _(x, MOVEVARS_AIRCONTROL_PENALTY, 221) \
    _(x, MOVEVARS_AIRSPEEDLIMIT_NONQW, 222) \
    _(x, MOVEVARS_AIRSTRAFEACCEL_QW, 223) \
    _(x, MOVEVARS_AIRCONTROL_POWER, 224) \
    _(x, MOVEFLAGS, 225) \
    _(x, MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL, 226) \
    _(x, MOVEVARS_WARSOWBUNNY_ACCEL, 227) \
    _(x, MOVEVARS_WARSOWBUNNY_TOPSPEED, 228) \
    _(x, MOVEVARS_WARSOWBUNNY_TURNACCEL, 229) \
    _(x, MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO, 230) \
    _(x, MOVEVARS_AIRSTOPACCELERATE, 231) \
    _(x, MOVEVARS_AIRSTRAFEACCELERATE, 232) \
    _(x, MOVEVARS_MAXAIRSTRAFESPEED, 233) \
    _(x, MOVEVARS_AIRCONTROL, 234) \
    _(x, FRAGLIMIT, 235) \
    _(x, TIMELIMIT, 236) \
    _(x, MOVEVARS_WALLFRICTION, 237) \
    _(x, MOVEVARS_FRICTION, 238) \
    _(x, MOVEVARS_WATERFRICTION, 239) \
    _(x, MOVEVARS_TICRATE, 240) \
    _(x, MOVEVARS_TIMESCALE, 241) \
    _(x, MOVEVARS_GRAVITY, 242) \
    _(x, MOVEVARS_STOPSPEED, 243) \
    _(x, MOVEVARS_MAXSPEED, 244) \
    _(x, MOVEVARS_SPECTATORMAXSPEED, 245) \
    _(x, MOVEVARS_ACCELERATE, 246) \
    _(x, MOVEVARS_AIRACCELERATE, 247) \
    _(x, MOVEVARS_WATERACCELERATE, 248) \
    _(x, MOVEVARS_ENTGRAVITY, 249) \
    _(x, MOVEVARS_JUMPVELOCITY, 250) \
    _(x, MOVEVARS_EDGEFRICTION, 251) \
    _(x, MOVEVARS_MAXAIRSPEED, 252) \
    _(x, MOVEVARS_STEPHEIGHT, 253) \
    _(x, MOVEVARS_AIRACCEL_QW, 254) \
    _(x, MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION, 255) \
    

int g_magic_stats_hole = 0;

#define MAGIC_STATS_FIX_MANUAL(it, var, id) \
    if (it.registered_id == "STAT_" #var) { --g_magic_stats_hole; it.m_id = id; } else

#define MAGIC_STATS_FIX_AUTO(it, var, id) \
    if (it.m_id == id) { ++g_magic_stats_hole; ++it.m_id; }

#define MAGIC_STATS_FIX(it) \
    it.m_id += g_magic_stats_hole; \
    MAGIC_STATS(MAGIC_STATS_FIX_MANUAL, it) { MAGIC_STATS(MAGIC_STATS_FIX_AUTO, it) }

#define REGISTER_STAT(...) EVAL_REGISTER_STAT(OVERLOAD(REGISTER_STAT, __VA_ARGS__))
#define EVAL_REGISTER_STAT(...) __VA_ARGS__
#if defined(CSQC)

    void stats_get() {}
    #define STAT(...) EVAL_STAT(OVERLOAD(STAT, __VA_ARGS__))
    #define EVAL_STAT(...) __VA_ARGS__
    #define STAT_1(id) (RVALUE, _STAT(id))
    #define STAT_2(id, cl) STAT_1(id)

    #define getstat_int(id) getstati(id, 0, 24)
    #define getstat_bool(id) boolean(getstati(id))
    #define getstat_float(id) getstatf(id)
    #define getstat_vector(id) vec3(getstat_float(id + 0), getstat_float(id + 1), getstat_float(id + 2))
    #define getstat_vectori(id) vec3(getstat_int(id + 0), getstat_int(id + 1), getstat_int(id + 2))

    #define _STAT(id) g_stat_##id
    #define REGISTER_STAT_2(id, T) \
        T _STAT(id); \
        /* T CAT(_STAT(id), _prev); */ \
        REGISTER(Stats, STAT_##id, m_id, new_pure(stat)) \
        { \
            if (#T == "vector" || #T == "vectori") { \
                REGISTRY_RESERVE(Stats, m_id, STAT_##id, y); \
                REGISTRY_RESERVE(Stats, m_id, STAT_##id, z); \
            } \
        } \
        ACCUMULATE void stats_get() \
        { \
            T it = getstat_##T(STAT_##id.m_id); \
            /* if (it != CAT(_STAT(id), _prev)) \
                CAT(_STAT(id), _prev) = */ _STAT(id) = it; \
        }
    #define REGISTER_STAT_3(x, T, expr) REGISTER_STAT_2(x, T)
#elif defined(SVQC)

    entity STATS;
    void stats_add() {}
    #define STAT(...) EVAL_STAT(OVERLOAD_(STAT, __VA_ARGS__))
    #define EVAL_STAT(...) __VA_ARGS__
    #define STAT_1(id) (RVALUE, STAT_2(id, STATS))
    #define STAT_2(id, cl) (cl)._STAT(id)

    #define addstat_int(id, fld) addstat(id, AS_INT, fld)
    #define addstat_bool(id, fld) addstat(id, AS_INT, fld)
    #define addstat_float(id, fld) addstat(id, AS_FLOAT, fld)
    #define addstat_vector(id, fld) MACRO_BEGIN \
        addstat_float(id + 0, fld##_x); \
        addstat_float(id + 1, fld##_y); \
        addstat_float(id + 2, fld##_z); \
    MACRO_END
    #define addstat_vectori(id, fld) MACRO_BEGIN \
        addstat_int(id + 0, fld##_x); \
        addstat_int(id + 1, fld##_y); \
        addstat_int(id + 2, fld##_z); \
    MACRO_END
    const int AS_STRING = 1;
    const int AS_INT = 2;
    const int AS_FLOAT = 8;

    .int __stat_null;
    STATIC_INIT(stats)
    {
        STATS = new_pure(stats);
        // Prevent engine stats being sent
        int r = STATS_ENGINE_RESERVE;
        for (int i = 0, n = 256 - r; i < n; ++i) {
            #define X(_, name, id) if (i == id) continue;
            MAGIC_STATS(X, );
            #undef X
            addstat(r + i, AS_INT, __stat_null);
        }
    }

    #define _STAT(id) stat_##id
    #define REGISTER_STAT_2(id, T) \
        .T _STAT(id); \
        REGISTER(Stats, STAT_##id, m_id, new_pure(stat)) \
        { \
            if (#T == "vector" || #T == "vectori") { \
                REGISTRY_RESERVE(Stats, m_id, STAT_##id, y); \
                REGISTRY_RESERVE(Stats, m_id, STAT_##id, z); \
            } \
        } \
        ACCUMULATE void stats_add() \
        { \
            .T fld = _STAT(id); \
            addstat_##T(STAT_##id.m_id, fld); \
        }
    void GlobalStats_update(entity this) {}
    void GlobalStats_updateglobal() {}
    #define REGISTER_STAT_3(id, T, expr) \
        REGISTER_STAT_2(id, T); \
        ACCUMULATE void GlobalStats_update(entity this) { STAT(id, this) = (expr); } \
        ACCUMULATE void GlobalStats_updateglobal() { entity this = STATS; STAT(id, this) = (expr); } \
        STATIC_INIT(worldstat_##id) { entity this = STATS; STAT(id, this) = (expr); }
#else
    #define REGISTER_STAT_2(id, type)
    #define REGISTER_STAT_3(id, T, expr)
#endif

REGISTRY(Stats, 256 - STATS_ENGINE_RESERVE)
REGISTER_REGISTRY(Stats)
REGISTRY_SORT(Stats)
REGISTRY_CHECK(Stats)

REGISTRY_DEFINE_GET(Stats, NULL)
STATIC_INIT(Stats_renumber)
{
    FOREACH(Stats, true, {
        it.m_id = STATS_ENGINE_RESERVE + i;
        MAGIC_STATS_FIX(it);
    });
}
#ifdef SVQC
STATIC_INIT(stats_add) { stats_add(); }
#endif