main.qc

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#include "main.qh"

#include <common/command/generic.qh>
#include <common/constants.qh>
#include <common/deathtypes/all.qh>
#include <common/debug.qh>
#include <common/mapinfo.qh>
#include <common/monsters/sv_monsters.qh>
#include <common/util.qh>
#include <common/vehicles/all.qh>
#include <common/weapons/_all.qh>
#include <lib/csqcmodel/sv_model.qh>
#include <lib/warpzone/common.qh>
#include <lib/warpzone/server.qh>
#include <server/anticheat.qh>
#include <server/bot/api.qh>
#include <server/command/common.qh>
#include <server/compat/quake3.qh>
#include <server/damage.qh>
#include <server/gamelog.qh>
#include <server/hook.qh>
#include <server/ipban.qh>
#include <server/mutators/_mod.qh>
#include <server/spawnpoints.qh>
#include <server/weapons/common.qh>
#include <server/weapons/csqcprojectile.qh>
#include <server/world.qh>

void dropclient_do(entity this)
{
    if (this.owner)
        dropclient(this.owner);
    delete(this);
}
bool dropclient_schedule(entity this)
{
    bool scheduled = false;
    FOREACH_ENTITY_CLASS("dropclient_handler", true,
    {
        if(it.owner == this)
        {
            scheduled = true;
            break; // can't use return here, compiler shows a warning
        }
    });
    if (scheduled)
        return false;

    entity e = new_pure(dropclient_handler);
    setthink(e, dropclient_do);
    e.owner = this;
    e.nextthink = time + 0.1;
    return true;
}

void CreatureFrame_hotliquids(entity this)
{
    if (this.contents_damagetime >= time)
    {
        return;
    }

    this.contents_damagetime = time + autocvar_g_balance_contents_damagerate;

    if (this.flags & FL_PROJECTILE)
    {
        if (this.watertype == CONTENT_LAVA)
            Damage (this, NULL, NULL, autocvar_g_balance_contents_projectiledamage * autocvar_g_balance_contents_damagerate * this.waterlevel, DEATH_LAVA.m_id, DMG_NOWEP, this.origin, '0 0 0');
        else if (this.watertype == CONTENT_SLIME)
            Damage (this, NULL, NULL, autocvar_g_balance_contents_projectiledamage * autocvar_g_balance_contents_damagerate * this.waterlevel, DEATH_SLIME.m_id, DMG_NOWEP, this.origin, '0 0 0');
    }
    else
    {
        if (STAT(FROZEN, this))
        {
            if (this.watertype == CONTENT_LAVA)
                Damage(this, NULL, NULL, 10000, DEATH_LAVA.m_id, DMG_NOWEP, this.origin, '0 0 0');
            else if (this.watertype == CONTENT_SLIME)
                Damage(this, NULL, NULL, 10000, DEATH_SLIME.m_id, DMG_NOWEP, this.origin, '0 0 0');
        }
        else if (this.watertype == CONTENT_LAVA)
        {
            if (this.watersound_finished < time)
            {
                this.watersound_finished = time + 0.5;
                sound (this, CH_PLAYER_SINGLE, SND_LAVA, VOL_BASE, ATTEN_NORM);
            }
            Damage (this, NULL, NULL, autocvar_g_balance_contents_playerdamage_lava * autocvar_g_balance_contents_damagerate * this.waterlevel, DEATH_LAVA.m_id, DMG_NOWEP, this.origin, '0 0 0');
            if(autocvar_g_balance_contents_playerdamage_lava_burn)
                Fire_AddDamage(this, NULL, autocvar_g_balance_contents_playerdamage_lava_burn * this.waterlevel, autocvar_g_balance_contents_playerdamage_lava_burn_time * this.waterlevel, DEATH_LAVA.m_id);
        }
        else if (this.watertype == CONTENT_SLIME)
        {
            if (this.watersound_finished < time)
            {
                this.watersound_finished = time + 0.5;
                sound (this, CH_PLAYER_SINGLE, SND_SLIME, VOL_BASE, ATTEN_NORM);
            }
            Damage (this, NULL, NULL, autocvar_g_balance_contents_playerdamage_slime * autocvar_g_balance_contents_damagerate * this.waterlevel, DEATH_SLIME.m_id, DMG_NOWEP, this.origin, '0 0 0');
        }
    }
}

void CreatureFrame_Liquids(entity this)
{
    if (this.watertype <= CONTENT_WATER && this.waterlevel > 0) // workaround a retarded bug made by id software :P (yes, it's that old of a bug)
    {
        if (!(this.flags & FL_INWATER))
        {
            this.flags |= FL_INWATER;
            this.contents_damagetime = 0;
        }

        CreatureFrame_hotliquids(this);
    }
    else
    {
        if (this.flags & FL_INWATER)
        {
            // play leave water sound
            this.flags &= ~FL_INWATER;
            this.contents_damagetime = 0;
        }
    }
}

void CreatureFrame_FallDamage(entity this)
{
    if(IS_VEHICLE(this) || (this.flags & FL_PROJECTILE))
        return; // vehicles and projectiles don't receive fall damage
    if(!(this.velocity || this.oldvelocity))
        return; // if the entity hasn't moved and isn't moving, then don't do anything

    // check for falling damage
    bool have_hook = false;
    for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
    {
        .entity weaponentity = weaponentities[slot];
        if(this.(weaponentity).hook && this.(weaponentity).hook.state)
        {
            have_hook = true;
            break;
        }
    }
    if(!have_hook)
    {
        float dm; // dm is the velocity DECREASE. Velocity INCREASE should never cause a sound or any damage.
        if(autocvar_g_balance_falldamage_onlyvertical)
            dm = fabs(this.oldvelocity.z) - vlen(this.velocity);
        else
            dm = vlen(this.oldvelocity) - vlen(this.velocity);
        if (IS_DEAD(this))
            dm = (dm - autocvar_g_balance_falldamage_deadminspeed) * autocvar_g_balance_falldamage_factor;
        else
            dm = min((dm - autocvar_g_balance_falldamage_minspeed) * autocvar_g_balance_falldamage_factor, autocvar_g_balance_falldamage_maxdamage);
        if (dm > 0)
        {
            tracebox(this.origin, this.mins, this.maxs, this.origin - '0 0 1', MOVE_NOMONSTERS, this);
            if (!(trace_dphitq3surfaceflags & Q3SURFACEFLAG_NODAMAGE))
                Damage (this, NULL, NULL, dm, DEATH_FALL.m_id, DMG_NOWEP, this.origin, '0 0 0');
        }
    }

    if(autocvar_g_maxspeed > 0 && vdist(this.velocity, >, autocvar_g_maxspeed))
        Damage (this, NULL, NULL, 100000, DEATH_SHOOTING_STAR.m_id, DMG_NOWEP, this.origin, '0 0 0');
}

void CreatureFrame_All()
{
    if(game_stopped || time < game_starttime)
        return;

    IL_EACH(g_damagedbycontents, it.damagedbycontents,
    {
        if (it.move_movetype == MOVETYPE_NOCLIP) continue;
        CreatureFrame_Liquids(it);
        CreatureFrame_FallDamage(it);
        it.oldvelocity = it.velocity;
    });
}

void Pause_TryPause(bool ispaused)
{
    int n = 0;
    FOREACH_CLIENT(IS_PLAYER(it) && IS_REAL_CLIENT(it), {
        if (PHYS_INPUT_BUTTON_CHAT(it) != ispaused) return;
        ++n;
    });
    if (!n) return;
    setpause(ispaused);
}

void SV_PausedTic(float elapsedtime)
{
    if (!server_is_dedicated) Pause_TryPause(false);
}

void dedicated_print(string input)
{
    if (server_is_dedicated) print(input);
}

void make_safe_for_remove(entity e)
{
    if (e.initialize_entity)
    {
        entity ent, prev = NULL;
        for (ent = initialize_entity_first; ent; )
        {
            if ((ent == e) || ((ent.classname == "initialize_entity") && (ent.enemy == e)))
            {
                //print("make_safe_for_remove: getting rid of initializer ", etos(ent), "\n");
                // skip it in linked list
                if (prev)
                {
                    prev.initialize_entity_next = ent.initialize_entity_next;
                    ent = prev.initialize_entity_next;
                }
                else
                {
                    initialize_entity_first = ent.initialize_entity_next;
                    ent = initialize_entity_first;
                }
            }
            else
            {
                prev = ent;
                ent = ent.initialize_entity_next;
            }
        }
    }
}

void remove_except_protected(entity e)
{
    if(e.remove_except_protected_forbidden)
        error("not allowed to remove this at this point");
    builtin_remove(e);
}

void remove_unsafely(entity e)
{
    if(e.classname == "spike")
        error("Removing spikes is forbidden (crylink bug), please report");
    builtin_remove(e);
}

void remove_safely(entity e)
{
    make_safe_for_remove(e);
    builtin_remove(e);
}

/*
=============
StartFrame

Called before each frame by the server
=============
*/

bool game_delay_last;

bool autocvar_sv_autopause = false;
void systems_update();
void sys_phys_update(entity this, float dt);
void StartFrame()
{
    // TODO: if move is more than 50ms, split it into two moves (this matches QWSV behavior and the client prediction)
    IL_EACH(g_players, IS_FAKE_CLIENT(it), sys_phys_update(it, frametime));
    IL_EACH(g_players, IS_FAKE_CLIENT(it), PlayerPreThink(it));

    execute_next_frame();
    if (autocvar_sv_autopause && !server_is_dedicated) Pause_TryPause(true);

    delete_fn = remove_unsafely; // not during spawning!
    serverprevtime = servertime;
    servertime = time;
    serverframetime = frametime;

#ifdef PROFILING
    if(time > client_cefc_accumulatortime + 1)
    {
        float t = client_cefc_accumulator / (time - client_cefc_accumulatortime);
        int c_seeing = 0;
        int c_seen = 0;
        FOREACH_CLIENT(true, {
            if(IS_REAL_CLIENT(it))
                ++c_seeing;
            if(IS_PLAYER(it))
                ++c_seen;
        });
        LOG_INFO(
            "CEFC time: ", ftos(t * 1000), "ms; ",
            "CEFC calls per second: ", ftos(c_seeing * (c_seen - 1) / t), "; ",
            "CEFC 100% load at: ", ftos(solve_quadratic(t, -t, -1) * '0 1 0')
        );
        client_cefc_accumulatortime = time;
        client_cefc_accumulator = 0;
    }
#endif

    IL_EACH(g_projectiles, it.csqcprojectile_clientanimate, CSQCProjectile_Check(it));

    if (RedirectionThink()) return;

    UncustomizeEntitiesRun();
    InitializeEntitiesRun();

    WarpZone_StartFrame();

    sys_frametime = autocvar_sys_ticrate * autocvar_slowmo;
    if (sys_frametime <= 0) sys_frametime = 1.0 / 60.0; // somewhat safe fallback

    if (timeout_status == TIMEOUT_LEADTIME) // just before the timeout (when timeout_status will be TIMEOUT_ACTIVE)
        orig_slowmo = autocvar_slowmo; // slowmo will be restored after the timeout

    // detect when the pre-game countdown (if any) has ended and the game has started
    bool game_delay = (time < game_starttime);
    if (autocvar_sv_eventlog && game_delay_last && !game_delay)
        GameLogEcho(":startdelay_ended");
    game_delay_last = game_delay;

    CreatureFrame_All();
    CheckRules_World();

    if (warmup_stage && !game_stopped && warmup_limit > 0 && time - game_starttime >= warmup_limit) {
        ReadyRestart(true);
        return;
    }

    bot_serverframe();
    anticheat_startframe();
    MUTATOR_CALLHOOK(SV_StartFrame);

    GlobalStats_updateglobal();
    FOREACH_CLIENT(true, GlobalStats_update(it));
    IL_EACH(g_players, IS_FAKE_CLIENT(it), PlayerPostThink(it));
}

.vector originjitter;
.vector anglesjitter;
.float anglejitter;
.string gametypefilter;
.string cvarfilter;

void SV_OnEntityPreSpawnFunction(entity this)
{
    if (this)
    if (this.gametypefilter != "")
    if (!isGametypeInFilter(MapInfo_LoadedGametype, teamplay, have_team_spawns, this.gametypefilter))
    {
        delete(this);
        return;
    }
    if (this.cvarfilter != "" && !expr_evaluate(this.cvarfilter)) {
        delete(this);
        return;
    }

    if (q3compat && DoesQ3ARemoveThisEntity(this)) {
        delete(this);
        return;
    }

    set_movetype(this, this.movetype);

    if (this.monster_attack) {
        IL_PUSH(g_monster_targets, this);
    }

    // support special -1 and -2 angle from radiant
    if (this.angles == '0 -1 0') {
        this.angles = '-90 0 0';
    } else if (this.angles == '0 -2 0') {
        this.angles = '+90 0 0';
    }

    #define X(out, in) MACRO_BEGIN \
        if (in != 0) { out = out + (random() * 2 - 1) * in; } \
    MACRO_END
    X(this.origin.x, this.originjitter.x); X(this.origin.y, this.originjitter.y); X(this.origin.z, this.originjitter.z);
    X(this.angles.x, this.anglesjitter.x); X(this.angles.y, this.anglesjitter.y); X(this.angles.z, this.anglesjitter.z);
    X(this.angles.y, this.anglejitter);
    #undef X

    if (MUTATOR_CALLHOOK(OnEntityPreSpawn, this)) {
        delete(this);
        return;
    }
}

string GetField_fullspawndata(entity e, string f, ...)
/* Retrieves the value of a map entity field from fullspawndata
 * This bypasses field value changes made by the engine,
 * eg string-to-float and escape sequence substitution.
 *
 * Avoids the need to declare fields just to read them once :)
 *
 * Returns the last instance of the field to match DarkPlaces behaviour.
 * Path support: converts \ to / and tests the file if a third (bool, true) arg is passed.
 * Returns string_null if the entity does not have the field, or the file is not in the VFS.
 *
 * FIXME: entities with //comments are not supported.
 */
{
    string v = string_null;

    if (!e.fullspawndata)
    {
        //LOG_WARNF("^1EDICT %s (classname %s) has no fullspawndata, engine lacks support?", ftos(num_for_edict(e)), e.classname);
        return v;
    }

    if (strstrofs(e.fullspawndata, "//", 0) >= 0)
    {
        // tokenize and tokenize_console return early if "//" is reached,
        // which can leave an odd number of tokens and break key:value pairing.
        LOG_WARNF("^1EDICT %s fullspawndata contains unsupported //comment^7%s", ftos(num_for_edict(e)), e.fullspawndata);
        return v;
    }

    //print(sprintf("%s(EDICT %s, FIELD %s)\n", __FUNC__, ftos(num_for_edict(e)), f));
    //print(strcat("FULLSPAWNDATA:", e.fullspawndata, "\n"));

    // tokenize treats \ as an escape, but tokenize_console returns the required literal
    for (int t = tokenize_console(e.fullspawndata) - 3; t > 0; t -= 2)
    {
        //print(sprintf("\tTOKEN %s:%s\t%s:%s\n", ftos(t), ftos(t + 1), argv(t), argv(t + 1)));
        if (argv(t) == f)
        {
            v = argv(t + 1);
            break;
        }
    }

    //print(strcat("RESULT: ", v, "\n\n"));

    if (v && ...(0, bool) == true)
    {
        v = strreplace("\\", "/", v);
        if (whichpack(v) == "")
            return string_null;
    }

    return v;
}

void WarpZone_PostInitialize_Callback()
{
    // create waypoint links for warpzones
    entity tracetest_ent = spawn();
    setsize(tracetest_ent, PL_MIN_CONST, PL_MAX_CONST);
    tracetest_ent.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_PLAYERCLIP | DPCONTENTS_BOTCLIP;
    //for(entity e = warpzone_first; e; e = e.warpzone_next)
    for(entity e = NULL; (e = find(e, classname, "trigger_warpzone")); )
        waypoint_spawnforteleporter_wz(e, tracetest_ent);
    delete(tracetest_ent);
}

void URI_Get_Callback(float id, float status, string data)
{
    if(url_URI_Get_Callback(id, status, data))
    {
        // handled
    }
    else if (id == URI_GET_DISCARD)
    {
        // discard
    }
    else if (id >= URI_GET_CURL && id <= URI_GET_CURL_END)
    {
        // sv_cmd curl
        Curl_URI_Get_Callback(id, status, data);
    }
    else if (id >= URI_GET_IPBAN && id <= URI_GET_IPBAN_END)
    {
        // online ban list
        OnlineBanList_URI_Get_Callback(id, status, data);
    }
    else if (MUTATOR_CALLHOOK(URI_GetCallback, id, status, data))
    {
        // handled by a mutator
    }
    else
    {
        LOG_INFO("Received HTTP request data for an invalid id ", ftos(id), ".");
    }
}

/*
==================
main

unused but required by the engine
==================
*/
void main ()
{

}