common.qc

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#include "common.qh"
 
#include <common/constants.qh>
#include <common/deathtypes/all.qh>
#include <common/items/_mod.qh>
#include <common/net_linked.qh>
#include <common/notifications/all.qh>
#include <common/state.qh>
#include <common/stats.qh>
#include <common/util.qh>
#include <common/weapons/_all.qh>
#include <common/wepent.qh>
#include <server/command/common.qh>
#include <server/damage.qh>
#include <server/hook.qh>
#include <server/items/items.qh>
#include <server/mutators/_mod.qh>
#include <server/weapons/csqcprojectile.qh>
 
bool W_DualWielding(entity player)
{
    int held_weapons = 0;
    for (int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
    {
        .entity weaponentity = weaponentities[slot];
        if (player.(weaponentity) && player.(weaponentity).m_switchweapon != WEP_Null)
            ++held_weapons;
    }
 
    return held_weapons > 1;
}
 
void W_GiveWeapon(entity e, int wep)
{
    if (!wep)
        return;
    STAT(WEAPONS, e) |= WepSet_FromWeapon(REGISTRY_GET(Weapons, wep));
}
 
void W_PlayStrengthSound(entity player)
{
    MUTATOR_CALLHOOK(W_PlayStrengthSound, player);
}
 
float W_CheckProjectileDamage(entity inflictor, entity projowner, int deathtype, float exception)
{
    bool is_from_contents = (deathtype == DEATH_SLIME.m_id || deathtype == DEATH_LAVA.m_id);
    bool is_from_owner = (inflictor == projowner);
    bool is_from_exception = (exception != -1);
 
    //dprint(strcat("W_CheckProjectileDamage: from_contents ", ftos(is_from_contents), " : from_owner ", ftos(is_from_owner), " : exception ", strcat(ftos(is_from_exception), " (", ftos(exception), "). \n")));
 
    if (autocvar_g_projectiles_damage <= -2)
    {
        return false; // no damage to projectiles at all, not even with the exceptions
    }
    else if (autocvar_g_projectiles_damage == -1)
    {
        if (is_from_exception)
            return exception; // if exception is detected, allow it to override
        else
            return false; // otherwise, no other damage is allowed
    }
    else if (autocvar_g_projectiles_damage == 0)
    {
        if (is_from_exception)
            return exception; // if exception is detected, allow it to override
        else if (!is_from_contents)
            return false; // otherwise, only allow damage from contents
    }
    else if (autocvar_g_projectiles_damage == 1)
    {
        if (is_from_exception)
            return exception; // if exception is detected, allow it to override
        else if (!(is_from_contents || is_from_owner))
            return false; // otherwise, only allow self damage and damage from contents
    }
    else if (autocvar_g_projectiles_damage == 2) // allow any damage, but override for exceptions
    {
        if (is_from_exception)
            return exception; // if exception is detected, allow it to override
    }
 
    return true; // if none of these return, then allow damage anyway.
}
 
void W_PrepareExplosionByDamage(entity this, entity attacker, void(entity this) explode)
{
    this.takedamage = DAMAGE_NO;
    this.event_damage = func_null;
 
    MUTATOR_CALLHOOK(PrepareExplosionByDamage, this, attacker);
 
    if (IS_CLIENT(attacker) && !autocvar_g_projectiles_keep_owner)
    {
        this.owner = attacker;
        this.realowner = attacker;
    }
 
    // do not explode NOW but in the NEXT FRAME!
    // because recursive calls to RadiusDamage are not allowed
    this.nextthink = time;
    setthink(this, explode);
}
 
void adaptor_think2use_hittype_splash(entity this) // for timed projectile detonation
{
    if (!(IS_ONGROUND(this))) // if onground, we ARE touching something, but HITTYPE_SPLASH is to be networked if the damage causing projectile is not touching ANYTHING
        this.projectiledeathtype |= HITTYPE_SPLASH;
    adaptor_think2use(this);
}
 
bool SUB_NoImpactCheck(entity this, entity toucher)
{
    // zero hitcontents = this is not the real impact, but either the
    // mirror-impact of something hitting the projectile instead of the
    // projectile hitting the something, or a touchareagrid one. Neither of
    // these stop the projectile from moving, so...
    // NOTE: this notice is disabled to prevent spam as projectiles can hit content-less objects (other projectiles!)
#if 0
    if (trace_dphitcontents == 0)
    {
        LOG_TRACEF("A hit from a projectile happened with no hit contents! DEBUG THIS, this should never happen for projectiles! Projectile will self-destruct. (edict: %i, classname: %s, origin: %v)", this, this.classname, this.origin);
        checkclient(this); // TODO: .health is checked in the engine with this, possibly replace with a QC function?
    }
#endif
    if (trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOIMPACT)
        return true;
 
    if (toucher == NULL && this.size != '0 0 0')
    {
        vector tic = this.velocity * sys_frametime;
        tic += normalize(tic) * vlen(this.maxs - this.mins);
        traceline(this.origin - tic, this.origin + tic, MOVE_NORMAL, this);
        if (trace_fraction >= 1)
        {
            // NOTE: this notice can occur when projectiles hit non-world objects, better to not spam the console!
            //LOG_TRACE("Odd... did not hit...?");
        }
        else if (trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOIMPACT)
        {
            LOG_TRACE("Detected and prevented the sky-grapple bug.");
            return true;
        }
    }
 
    return false;
}
 
bool WarpZone_Projectile_Touch_ImpactFilter_Callback(entity this, entity toucher)
{
    if (toucher && toucher == this.owner)
        return true;
 
    if (autocvar_g_projectiles_interact == 1 && toucher.classname == "blasterbolt")
    {
        if (this.movetype == MOVETYPE_BOUNCE || this.movetype == MOVETYPE_BOUNCEMISSILE)
            // We'll bounce off it due to limitations so let it deflect us
            // to hide the problem, see PROJECTILE_MAKETRIGGER.
            gettouch(toucher)(toucher, this);
        return true;
    }
 
    if (SUB_NoImpactCheck(this, toucher))
    {
        if (this.classname == "nade")
            return false; // no checks here
        else if (this.classname == "grapplinghook")
            RemoveHook(this);
        else
            delete(this);
        return true;
    }
    if (trace_ent && trace_ent.solid > SOLID_TRIGGER)
        UpdateCSQCProjectile(this);
    return false;
}