shotgun.qc

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#include "shotgun.qh"

#ifdef SVQC

// enable to debug melee range
//#define SHOTGUN_MELEEDEBUG

void W_Shotgun_Attack(Weapon thiswep, entity actor, .entity weaponentity, float isprimary, float ammocount, float damage, float bullets, float spread, float solidpenetration, float force, entity bullet_trail_effect)
{
    W_DecreaseAmmo(thiswep, actor, ammocount, weaponentity);

    W_SetupShot(actor, weaponentity, true, 5, SND_SHOTGUN_FIRE, ((isprimary) ? CH_WEAPON_A : CH_WEAPON_SINGLE), damage * bullets, thiswep.m_id);

    // TRICK: do the antilag outside the regular fireBullet function, so it isn't performed unnecessarily on every single bullet!
    float lag = antilag_getlag(actor);
    if(lag && bullets > 0)
        antilag_takeback_all(actor, lag);

    for(int sc = 0;sc < bullets;sc = sc + 1)
        fireBullet_antilag(actor, weaponentity, w_shotorg, w_shotdir, spread, solidpenetration, damage, 0, force, thiswep.m_id, bullet_trail_effect, false);

    if(lag && bullets > 0)
        antilag_restore_all(actor);

    W_MuzzleFlash(thiswep, actor, weaponentity, w_shotorg, w_shotdir);

    // casing code
    if(autocvar_g_casings >= 1)
    {
        makevectors(actor.v_angle); // for some reason, this is lost
        //for(int sc = 0;sc < WEP_CVAR_PRI(shotgun, ammo);sc = sc + 1)
            SpawnCasing(((random() * 50 + 50) * v_right) - (v_forward * (random() * 25 + 25)) - ((random() * 5 - 30) * v_up), 2, vectoangles(v_forward),'0 250 0', 100, 1, actor, weaponentity);
    }
}

.float swing_prev;
.entity swing_alreadyhit;
void W_Shotgun_Melee_Think(entity this)
{
    // declarations
    float i, f, swing, swing_factor, swing_damage, meleetime, is_player;
    entity target_victim;
    vector targpos;

    if(!this.cnt) // set start time of melee
    {
        this.cnt = time;
        W_PlayStrengthSound(this.realowner);
    }

    makevectors(this.realowner.v_angle); // update values for v_* vectors

    // calculate swing percentage based on time
    meleetime = WEP_CVAR_SEC(shotgun, melee_time) * W_WeaponRateFactor(this.realowner);
    swing = bound(0, (this.cnt + meleetime - time) / meleetime, 10);
    f = ((1 - swing) * WEP_CVAR_SEC(shotgun, melee_traces));

    // check to see if we can still continue, otherwise give up now
    if(IS_DEAD(this.realowner) && WEP_CVAR_SEC(shotgun, melee_no_doubleslap))
    {
        delete(this);
        return;
    }

    // if okay, perform the traces needed for this frame
    for(i=this.swing_prev; i < f; ++i)
    {
        swing_factor = ((1 - (i / WEP_CVAR_SEC(shotgun, melee_traces))) * 2 - 1);

        targpos = (this.realowner.origin + this.realowner.view_ofs
            + (v_forward * WEP_CVAR_SEC(shotgun, melee_range))
            + (v_up * swing_factor * WEP_CVAR_SEC(shotgun, melee_swing_up))
            + (v_right * swing_factor * WEP_CVAR_SEC(shotgun, melee_swing_side)));

        WarpZone_traceline_antilag(this.realowner, this.realowner.origin + this.realowner.view_ofs, targpos, false, this.realowner, ((IS_CLIENT(this.realowner)) ? ANTILAG_LATENCY(this.realowner) : 0));

        // draw lightning beams for debugging
    #ifdef SHOTGUN_MELEEDEBUG
        te_lightning2(NULL, targpos, this.realowner.origin + this.realowner.view_ofs + v_forward * 5 - v_up * 5);
        te_customflash(targpos, 40,  2, '1 1 1');
    #endif

        is_player = (IS_PLAYER(trace_ent) || trace_ent.classname == "body" || IS_MONSTER(trace_ent));

        if((trace_fraction < 1) // if trace is good, apply the damage and remove this
            && (trace_ent.takedamage != DAMAGE_NO)
            && (trace_ent != this.swing_alreadyhit)
            && (is_player || WEP_CVAR_SEC(shotgun, melee_nonplayerdamage)))
        {
            target_victim = trace_ent; // so it persists through other calls

            if(is_player) // this allows us to be able to nerf the non-player damage done in e.g. assault or onslaught.
                swing_damage = (WEP_CVAR_SEC(shotgun, damage) * min(1, swing_factor + 1));
            else
                swing_damage = (WEP_CVAR_SEC(shotgun, melee_nonplayerdamage) * min(1, swing_factor + 1));

            //print(strcat(this.realowner.netname, " hitting ", target_victim.netname, " with ", strcat(ftos(swing_damage), " damage (factor: ", ftos(swing_factor), ") at "), ftos(time), " seconds.\n"));

            Damage(target_victim, this.realowner, this.realowner,
                swing_damage, WEP_SHOTGUN.m_id | HITTYPE_SECONDARY, this.weaponentity_fld,
                this.realowner.origin + this.realowner.view_ofs,
                v_forward * WEP_CVAR_SEC(shotgun, force));

            if(accuracy_isgooddamage(this.realowner, target_victim)) { accuracy_add(this.realowner, WEP_SHOTGUN, 0, swing_damage); }

            // draw large red flash for debugging
        #ifdef SHOTGUN_MELEEDEBUG
            te_customflash(targpos, 200, 2, '15 0 0');
        #endif

            if(WEP_CVAR_SEC(shotgun, melee_multihit)) // allow multiple hits with one swing, but not against the same player twice.
            {
                this.swing_alreadyhit = target_victim;
                continue; // move along to next trace
            }
            else
            {
                delete(this);
                return;
            }
        }
    }

    if(time >= this.cnt + meleetime)
    {
        // melee is finished
        delete(this);
        return;
    }
    else
    {
        // set up next frame
        this.swing_prev = i;
        this.nextthink = time;
    }
}

void W_Shotgun_Attack2(Weapon thiswep, entity actor, .entity weaponentity, int fire)
{
    sound(actor, CH_WEAPON_A, SND_SHOTGUN_MELEE, VOL_BASE, ATTEN_NORM);
    weapon_thinkf(actor, weaponentity, WFRAME_FIRE2, WEP_CVAR_SEC(shotgun, animtime), w_ready);

    entity meleetemp = new_pure(meleetemp);
    meleetemp.realowner = actor;
    setthink(meleetemp, W_Shotgun_Melee_Think);
    meleetemp.nextthink = time + WEP_CVAR_SEC(shotgun, melee_delay) * W_WeaponRateFactor(actor);
    meleetemp.weaponentity_fld = weaponentity;
    W_SetupShot_Range(actor, weaponentity, true, 0, SND_Null, 0, WEP_CVAR_SEC(shotgun, damage), WEP_CVAR_SEC(shotgun, melee_range), WEP_SHOTGUN.m_id | HITTYPE_SECONDARY);
}

// alternate secondary weapon frames
void W_Shotgun_Attack3_Frame2(Weapon thiswep, entity actor, .entity weaponentity, int fire)
{
    if (!thiswep.wr_checkammo2(thiswep, actor, weaponentity))
    if (!(actor.items & IT_UNLIMITED_AMMO))
    {
        W_SwitchWeapon_Force(actor, w_getbestweapon(actor, weaponentity), weaponentity);
        w_ready(thiswep, actor, weaponentity, fire);
        return;
    }

    sound(actor, CH_WEAPON_SINGLE, SND_Null, VOL_BASE, ATTN_NORM); // kill previous sound
    W_Shotgun_Attack(thiswep, actor, weaponentity, true,
        WEP_CVAR_PRI(shotgun, ammo),
        WEP_CVAR_PRI(shotgun, damage),
        WEP_CVAR_PRI(shotgun, bullets),
        WEP_CVAR_PRI(shotgun, spread),
        WEP_CVAR_PRI(shotgun, solidpenetration),
        WEP_CVAR_PRI(shotgun, force),
        EFFECT_BULLET_WEAK); // actually is secondary, but we trick the last shot into playing full reload sound
    weapon_thinkf(actor, weaponentity, WFRAME_FIRE1, WEP_CVAR_SEC(shotgun, alt_animtime), w_ready);
}
void W_Shotgun_Attack3_Frame1(Weapon thiswep, entity actor, .entity weaponentity, int fire)
{
    if (!thiswep.wr_checkammo2(thiswep, actor, weaponentity))
    if (!(actor.items & IT_UNLIMITED_AMMO))
    {
        W_SwitchWeapon_Force(actor, w_getbestweapon(actor, weaponentity), weaponentity);
        w_ready(thiswep, actor, weaponentity, fire);
        return;
    }

    W_Shotgun_Attack(thiswep, actor, weaponentity, false,
        WEP_CVAR_PRI(shotgun, ammo),
        WEP_CVAR_PRI(shotgun, damage),
        WEP_CVAR_PRI(shotgun, bullets),
        WEP_CVAR_PRI(shotgun, spread),
        WEP_CVAR_PRI(shotgun, solidpenetration),
        WEP_CVAR_PRI(shotgun, force),
        EFFECT_BULLET_WEAK);
    weapon_thinkf(actor, weaponentity, WFRAME_FIRE1, WEP_CVAR_SEC(shotgun, alt_animtime), W_Shotgun_Attack3_Frame2);
}

.float shotgun_primarytime;

METHOD(Shotgun, wr_aim, void(entity thiswep, entity actor, .entity weaponentity))
{
    if(vdist(actor.origin - actor.enemy.origin, <=, WEP_CVAR_SEC(shotgun, melee_range)))
        PHYS_INPUT_BUTTON_ATCK2(actor) = bot_aim(actor, weaponentity, 1000000, 0, 0.001, false);
    else
        PHYS_INPUT_BUTTON_ATCK(actor) = bot_aim(actor, weaponentity, 1000000, 0, 0.001, false);
}

METHOD(Shotgun, wr_think, void(entity thiswep, entity actor, .entity weaponentity, int fire))
{
    if(WEP_CVAR(shotgun, reload_ammo) && actor.(weaponentity).clip_load < WEP_CVAR_PRI(shotgun, ammo)) // forced reload
    {
        // don't force reload an empty shotgun if its melee attack is active
        if(WEP_CVAR(shotgun, secondary) < 2) {
            thiswep.wr_reload(thiswep, actor, weaponentity);
        }
    }
    else
    {
        if(fire & 1)
        {
            if(time >= actor.(weaponentity).shotgun_primarytime) // handle refire separately so the secondary can be fired straight after a primary
            {
                if(weapon_prepareattack(thiswep, actor, weaponentity, false, WEP_CVAR_PRI(shotgun, animtime)))
                {
                    W_Shotgun_Attack(thiswep, actor, weaponentity, true,
                        WEP_CVAR_PRI(shotgun, ammo),
                        WEP_CVAR_PRI(shotgun, damage),
                        WEP_CVAR_PRI(shotgun, bullets),
                        WEP_CVAR_PRI(shotgun, spread),
                        WEP_CVAR_PRI(shotgun, solidpenetration),
                        WEP_CVAR_PRI(shotgun, force),
                        EFFECT_BULLET_WEAK);
                    actor.(weaponentity).shotgun_primarytime = time + WEP_CVAR_PRI(shotgun, refire) * W_WeaponRateFactor(actor);
                    weapon_thinkf(actor, weaponentity, WFRAME_FIRE1, WEP_CVAR_PRI(shotgun, animtime), w_ready);
                }
            }
        }
        else if((fire & 2) && WEP_CVAR(shotgun, secondary) == 2)
        {
            if(time >= actor.(weaponentity).shotgun_primarytime) // handle refire separately so the secondary can be fired straight after a primary
            {
                if(weapon_prepareattack(thiswep, actor, weaponentity, false, WEP_CVAR_SEC(shotgun, alt_animtime)))
                {
                    W_Shotgun_Attack(thiswep, actor, weaponentity, false,
                        WEP_CVAR_PRI(shotgun, ammo),
                        WEP_CVAR_PRI(shotgun, damage),
                        WEP_CVAR_PRI(shotgun, bullets),
                        WEP_CVAR_PRI(shotgun, spread),
                        WEP_CVAR_PRI(shotgun, solidpenetration),
                        WEP_CVAR_PRI(shotgun, force),
                        EFFECT_BULLET_WEAK);
                    actor.(weaponentity).shotgun_primarytime = time + WEP_CVAR_SEC(shotgun, alt_refire) * W_WeaponRateFactor(actor);
                    weapon_thinkf(actor, weaponentity, WFRAME_FIRE1, WEP_CVAR_SEC(shotgun, alt_animtime), W_Shotgun_Attack3_Frame1);
                }
            }
        }
    }
    if(actor.(weaponentity).clip_load >= 0) // we are not currently reloading
    if(WEP_CVAR(shotgun, secondary) == 1)
    if(((fire & 1) && GetResource(actor, thiswep.ammo_type) <= 0 && !(actor.items & IT_UNLIMITED_AMMO)) || (fire & 2))
    if(weapon_prepareattack(thiswep, actor, weaponentity, true, WEP_CVAR_SEC(shotgun, refire)))
    {
        // attempt forcing playback of the anim by switching to another anim (that we never play) here...
        weapon_thinkf(actor, weaponentity, WFRAME_FIRE1, 0, W_Shotgun_Attack2);
    }
}
METHOD(Shotgun, wr_checkammo1, bool(entity thiswep, entity actor, .entity weaponentity))
{
    float ammo_amount = GetResource(actor, thiswep.ammo_type) >= WEP_CVAR_PRI(shotgun, ammo);
    ammo_amount += actor.(weaponentity).(weapon_load[thiswep.m_id]) >= WEP_CVAR_PRI(shotgun, ammo);
    return ammo_amount;
}
METHOD(Shotgun, wr_checkammo2, bool(entity thiswep, entity actor, .entity weaponentity))
{
    if(IS_BOT_CLIENT(actor))
    if(vdist(actor.origin - actor.enemy.origin, >, WEP_CVAR_SEC(shotgun, melee_range)))
        return false; // bots cannot use secondary out of range (fixes constant melee when out of ammo)
    switch(WEP_CVAR(shotgun, secondary))
    {
        case 1: return true; // melee does not use ammo
        case 2: // secondary triple shot
        {
            float ammo_amount = GetResource(actor, thiswep.ammo_type) >= WEP_CVAR_PRI(shotgun, ammo);
            ammo_amount += actor.(weaponentity).(weapon_load[thiswep.m_id]) >= WEP_CVAR_PRI(shotgun, ammo);
            return ammo_amount;
        }
        default: return false; // secondary unavailable
    }
}
METHOD(Shotgun, wr_reload, void(entity thiswep, entity actor, .entity weaponentity))
{
    W_Reload(actor, weaponentity, WEP_CVAR_PRI(shotgun, ammo), SND_RELOAD); // WEAPONTODO
}
METHOD(Shotgun, wr_suicidemessage, Notification(entity thiswep))
{
    return WEAPON_THINKING_WITH_PORTALS;
}
METHOD(Shotgun, wr_killmessage, Notification(entity thiswep))
{
    if(w_deathtype & HITTYPE_SECONDARY)
        return WEAPON_SHOTGUN_MURDER_SLAP;
    else
        return WEAPON_SHOTGUN_MURDER;
}

#endif
#ifdef CSQC
.float prevric;

METHOD(Shotgun, wr_impacteffect, void(entity thiswep, entity actor))
{
    vector org2 = w_org + w_backoff * 2;
    pointparticles(EFFECT_SHOTGUN_IMPACT, org2, w_backoff * 1000, 1);
    if(!w_issilent && time - actor.prevric > 0.25)
    {
        if(w_random < 0.05)
            sound(actor, CH_SHOTS, SND_RIC_RANDOM(), VOL_BASE, ATTEN_NORM);
        actor.prevric = time;
    }
}

#endif