fireball.qc

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#include "fireball.qh"

#ifdef SVQC

void W_Fireball_Explode(entity this, entity directhitentity)
{
    entity e;
    float dist;
    float points;
    vector dir;
    float d;

    this.event_damage = func_null;
    this.takedamage = DAMAGE_NO;

    // 1. dist damage
    d = (GetResource(this.realowner, RES_HEALTH) + GetResource(this.realowner, RES_ARMOR));
    RadiusDamage(this, this.realowner, WEP_CVAR_PRI(fireball, damage), WEP_CVAR_PRI(fireball, edgedamage), WEP_CVAR_PRI(fireball, radius), NULL, NULL, WEP_CVAR_PRI(fireball, force), this.projectiledeathtype, this.weaponentity_fld, directhitentity);
    if(GetResource(this.realowner, RES_HEALTH) + GetResource(this.realowner, RES_ARMOR) >= d)
    if(!this.cnt)
    {
        modeleffect_spawn("models/sphere/sphere.md3", 0, 0, this.origin, '0 0 0', '0 0 0', '0 0 0', 0, WEP_CVAR_PRI(fireball, bfgradius), 0.2, 0.05, 0.25);

        // 2. bfg effect
        // NOTE: this cannot be made warpzone aware by design. So, better intentionally ignore warpzones here.
        for(e = findradius(this.origin, WEP_CVAR_PRI(fireball, bfgradius)); e; e = e.chain)
        if(e != this.realowner) if(e.takedamage == DAMAGE_AIM) if(!IS_PLAYER(e) || !this.realowner || DIFF_TEAM(e, this))
        {
            // can we see fireball?
            traceline(e.origin + e.view_ofs, this.origin, MOVE_NORMAL, e);
            if(/* trace_startsolid || */ trace_fraction != 1) // startsolid should be never happening anyway
                continue;
            // can we see player who shot fireball?
            traceline(e.origin + e.view_ofs, this.realowner.origin + this.realowner.view_ofs, MOVE_NORMAL, e);
            if(trace_ent != this.realowner)
            if(/* trace_startsolid || */ trace_fraction != 1)
                continue;
            dist = vlen(this.origin - e.origin - e.view_ofs);
            points = (1 - sqrt(dist / WEP_CVAR_PRI(fireball, bfgradius)));
            if(points <= 0)
                continue;
            dir = normalize(e.origin + e.view_ofs - this.origin);

            if(accuracy_isgooddamage(this.realowner, e))
                accuracy_add(this.realowner, WEP_FIREBALL, 0, WEP_CVAR_PRI(fireball, bfgdamage) * points);

            Damage(e, this, this.realowner, WEP_CVAR_PRI(fireball, bfgdamage) * points, this.projectiledeathtype | HITTYPE_BOUNCE | HITTYPE_SPLASH, this.weaponentity_fld, e.origin + e.view_ofs, WEP_CVAR_PRI(fireball, bfgforce) * dir);
            Send_Effect(EFFECT_FIREBALL_BFGDAMAGE, e.origin, -1 * dir, 1);
        }
    }

    delete(this);
}

void W_Fireball_Explode_think(entity this)
{
    W_Fireball_Explode(this, NULL);
}

void W_Fireball_Explode_use(entity this, entity actor, entity trigger)
{
    W_Fireball_Explode(this, trigger);
}

void W_Fireball_TouchExplode(entity this, entity toucher)
{
    PROJECTILE_TOUCH(this, toucher);
    W_Fireball_Explode(this, toucher);
}

void W_Fireball_LaserPlay(entity this, float dt, float dist, float damage, float edgedamage, float burntime)
{
    entity e;
    float d;
    vector p;

    if(damage <= 0)
        return;

    RandomSelection_Init();
    for(e = WarpZone_FindRadius(this.origin, dist, true); e; e = e.chain)
    {
        if(e == this.realowner) continue;
        if(e.takedamage != DAMAGE_AIM) continue;
        if(IS_PLAYER(e) && this.realowner && SAME_TEAM(e, this)) continue;

        p = e.origin;
        p.x += e.mins.x + random() * (e.maxs.x - e.mins.x);
        p.y += e.mins.y + random() * (e.maxs.y - e.mins.y);
        p.z += e.mins.z + random() * (e.maxs.z - e.mins.z);
        d = vlen(WarpZone_UnTransformOrigin(e, this.origin) - p);
        if(d < dist)
        {
            e.fireball_impactvec = p;
            RandomSelection_AddEnt(e, 1 / (1 + d), !StatusEffects_active(STATUSEFFECT_Burning, e));
        }
    }
    if(RandomSelection_chosen_ent)
    {
        d = vlen(WarpZone_UnTransformOrigin(RandomSelection_chosen_ent, this.origin) - RandomSelection_chosen_ent.fireball_impactvec);
        d = damage + (edgedamage - damage) * (d / dist);
        Fire_AddDamage(RandomSelection_chosen_ent, this.realowner, d * burntime, burntime, this.projectiledeathtype | HITTYPE_BOUNCE);
        //trailparticles(this, particleeffectnum(EFFECT_FIREBALL_LASER), this.origin, RandomSelection_chosen_ent.fireball_impactvec);
        Send_Effect(EFFECT_FIREBALL_LASER, this.origin, RandomSelection_chosen_ent.fireball_impactvec - this.origin, 1);
    }
}

void W_Fireball_Think(entity this)
{
    if(time > this.pushltime)
    {
        this.cnt = 1;
        this.projectiledeathtype |= HITTYPE_SPLASH;
        W_Fireball_Explode(this, NULL);
        return;
    }

    W_Fireball_LaserPlay(this, 0.1, WEP_CVAR_PRI(fireball, laserradius), WEP_CVAR_PRI(fireball, laserdamage), WEP_CVAR_PRI(fireball, laseredgedamage), WEP_CVAR_PRI(fireball, laserburntime));

    this.nextthink = time + 0.1;
}

void W_Fireball_Damage(entity this, entity inflictor, entity attacker, float damage, int deathtype, .entity weaponentity, vector hitloc, vector force)
{
    if(GetResource(this, RES_HEALTH) <= 0)
        return;

    if(!W_CheckProjectileDamage(inflictor.realowner, this.realowner, deathtype, -1)) // no exceptions
        return; // g_projectiles_damage says to halt

    TakeResource(this, RES_HEALTH, damage);
    if(GetResource(this, RES_HEALTH) <= 0)
    {
        this.cnt = 1;
        W_PrepareExplosionByDamage(this, attacker, W_Fireball_Explode_think);
    }
}

void W_Fireball_Attack1(entity actor, .entity weaponentity)
{
    W_SetupShot_ProjectileSize(actor, weaponentity, '-16 -16 -16', '16 16 16', false, 2, SND_FIREBALL_FIRE2, CH_WEAPON_A, WEP_CVAR_PRI(fireball, damage) + WEP_CVAR_PRI(fireball, bfgdamage), WEP_FIREBALL.m_id);

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

    entity proj = new(plasma_prim);
    proj.owner = proj.realowner = actor;
    proj.bot_dodge = true;
    proj.bot_dodgerating = WEP_CVAR_PRI(fireball, damage);
    proj.pushltime = time + WEP_CVAR_PRI(fireball, lifetime);
    proj.use = W_Fireball_Explode_use;
    setthink(proj, W_Fireball_Think);
    proj.nextthink = time;
    SetResourceExplicit(proj, RES_HEALTH, WEP_CVAR_PRI(fireball, health));
    proj.team = actor.team;
    proj.event_damage = W_Fireball_Damage;
    proj.takedamage = DAMAGE_YES;
    proj.damageforcescale = WEP_CVAR_PRI(fireball, damageforcescale);
    PROJECTILE_MAKETRIGGER(proj);
    proj.projectiledeathtype = WEP_FIREBALL.m_id;
    proj.weaponentity_fld = weaponentity;
    setorigin(proj, w_shotorg);

    set_movetype(proj, MOVETYPE_FLY);
    W_SetupProjVelocity_PRI(proj, fireball);
    proj.angles = vectoangles(proj.velocity);
    settouch(proj, W_Fireball_TouchExplode);
    setsize(proj, '-16 -16 -16', '16 16 16');
    proj.flags = FL_PROJECTILE;
    IL_PUSH(g_projectiles, proj);
    IL_PUSH(g_bot_dodge, proj);
    proj.missile_flags = MIF_SPLASH | MIF_PROXY;

    CSQCProjectile(proj, true, PROJECTILE_FIREBALL, true);

    MUTATOR_CALLHOOK(EditProjectile, actor, proj);
}

void W_Fireball_AttackEffect(entity actor, .entity weaponentity, float i, vector f_diff)
{
    W_SetupShot_ProjectileSize(actor, weaponentity, '-16 -16 -16', '16 16 16', false, 0, SND_Null, 0, 0, WEP_FIREBALL.m_id); // TODO: probably doesn't need deathtype, just a prefire effect
    w_shotorg += f_diff.x * v_up + f_diff.y * v_right;
    Send_Effect(EFFECT_FIREBALL_PRE_MUZZLEFLASH, w_shotorg, w_shotdir * 1000, 1);
}

void W_Fireball_Attack1_Frame4(Weapon thiswep, entity actor, .entity weaponentity, int fire)
{
    W_Fireball_Attack1(actor, weaponentity);
    weapon_thinkf(actor, weaponentity, WFRAME_FIRE1, WEP_CVAR_PRI(fireball, animtime), w_ready);
}

void W_Fireball_Attack1_Frame3(Weapon thiswep, entity actor, .entity weaponentity, int fire)
{
    W_Fireball_AttackEffect(actor, weaponentity, 0, '+1.25 +3.75 0');
    weapon_thinkf(actor, weaponentity, WFRAME_FIRE1, WEP_CVAR_PRI(fireball, animtime), W_Fireball_Attack1_Frame4);
}

void W_Fireball_Attack1_Frame2(Weapon thiswep, entity actor, .entity weaponentity, int fire)
{
    W_Fireball_AttackEffect(actor, weaponentity, 0, '-1.25 +3.75 0');
    weapon_thinkf(actor, weaponentity, WFRAME_FIRE1, WEP_CVAR_PRI(fireball, animtime), W_Fireball_Attack1_Frame3);
}

void W_Fireball_Attack1_Frame1(Weapon thiswep, entity actor, .entity weaponentity, int fire)
{
    W_Fireball_AttackEffect(actor, weaponentity, 1, '+1.25 -3.75 0');
    weapon_thinkf(actor, weaponentity, WFRAME_FIRE1, WEP_CVAR_PRI(fireball, animtime), W_Fireball_Attack1_Frame2);
}

void W_Fireball_Attack1_Frame0(Weapon thiswep, entity actor, .entity weaponentity, int fire)
{
    W_Fireball_AttackEffect(actor, weaponentity, 0, '-1.25 -3.75 0');
    sound(actor, CH_WEAPON_SINGLE, SND_FIREBALL_PREFIRE2, VOL_BASE, ATTEN_NORM);
    weapon_thinkf(actor, weaponentity, WFRAME_FIRE1, WEP_CVAR_PRI(fireball, animtime), W_Fireball_Attack1_Frame1);
}

void W_Fireball_Firemine_Think(entity this)
{
    if(time > this.pushltime)
    {
        delete(this);
        return;
    }

    // make it "hot" once it leaves its owner
    if(this.owner)
    {
        if(vdist(this.origin - this.owner.origin - this.owner.view_ofs, >, WEP_CVAR_SEC(fireball, laserradius)))
        {
            this.cnt += 1;
            if(this.cnt == 3)
                this.owner = NULL;
        }
        else
            this.cnt = 0;
    }

    W_Fireball_LaserPlay(this, 0.1, WEP_CVAR_SEC(fireball, laserradius), WEP_CVAR_SEC(fireball, laserdamage), WEP_CVAR_SEC(fireball, laseredgedamage), WEP_CVAR_SEC(fireball, laserburntime));

    this.nextthink = time + 0.1;
}

void W_Fireball_Firemine_Touch(entity this, entity toucher)
{
    PROJECTILE_TOUCH(this, toucher);
    if(toucher.takedamage == DAMAGE_AIM)
    if(Fire_AddDamage(toucher, this.realowner, WEP_CVAR_SEC(fireball, damage), WEP_CVAR_SEC(fireball, damagetime), this.projectiledeathtype) >= 0)
    {
        delete(this);
        return;
    }
    this.projectiledeathtype |= HITTYPE_BOUNCE;
}

void W_Fireball_Attack2(entity actor, .entity weaponentity)
{
    entity proj;
    vector f_diff;
    float c;

    c = actor.(weaponentity).bulletcounter % 4;
    switch(c)
    {
        case 0:
            f_diff = '-1.25 -3.75 0';
            break;
        case 1:
            f_diff = '+1.25 -3.75 0';
            break;
        case 2:
            f_diff = '-1.25 +3.75 0';
            break;
        case 3:
        default:
            f_diff = '+1.25 +3.75 0';
            break;
    }
    W_SetupShot_ProjectileSize(actor, weaponentity, '-4 -4 -4', '4 4 4', false, 2, SND_FIREBALL_FIRE, CH_WEAPON_A, WEP_CVAR_SEC(fireball, damage), WEP_FIREBALL.m_id | HITTYPE_SECONDARY);
    traceline(w_shotorg, w_shotorg + f_diff_x * v_up + f_diff_y * v_right, MOVE_NORMAL, actor);
    w_shotorg = trace_endpos;

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

    proj = new(grenade);
    proj.owner = proj.realowner = actor;
    proj.bot_dodge = true;
    proj.bot_dodgerating = WEP_CVAR_SEC(fireball, damage);
    set_movetype(proj, MOVETYPE_BOUNCE);
    proj.projectiledeathtype = WEP_FIREBALL.m_id | HITTYPE_SECONDARY;
    settouch(proj, W_Fireball_Firemine_Touch);
    PROJECTILE_MAKETRIGGER(proj);
    setsize(proj, '-4 -4 -4', '4 4 4');
    setorigin(proj, w_shotorg);
    setthink(proj, W_Fireball_Firemine_Think);
    proj.nextthink = time;
    proj.damageforcescale = WEP_CVAR_SEC(fireball, damageforcescale);
    proj.pushltime = time + WEP_CVAR_SEC(fireball, lifetime);
    W_SetupProjVelocity_UP_SEC(proj, fireball);

    proj.angles = vectoangles(proj.velocity);
    proj.flags = FL_PROJECTILE;
    IL_PUSH(g_projectiles, proj);
    IL_PUSH(g_bot_dodge, proj);
    proj.missile_flags = MIF_SPLASH | MIF_PROXY | MIF_ARC;

    CSQCProjectile(proj, true, PROJECTILE_FIREMINE, true);

    MUTATOR_CALLHOOK(EditProjectile, actor, proj);
}

METHOD(Fireball, wr_aim, void(entity thiswep, entity actor, .entity weaponentity))
{
    PHYS_INPUT_BUTTON_ATCK(actor) = false;
    PHYS_INPUT_BUTTON_ATCK2(actor) = false;
    if(actor.bot_primary_fireballmooth == 0)
    {
        if(bot_aim(actor, weaponentity, WEP_CVAR_PRI(fireball, speed), 0, WEP_CVAR_PRI(fireball, lifetime), false))
        {
            PHYS_INPUT_BUTTON_ATCK(actor) = true;
            if(random() < 0.02) actor.bot_primary_fireballmooth = 0;
        }
    }
    else
    {
        if(bot_aim(actor, weaponentity, WEP_CVAR_SEC(fireball, speed), WEP_CVAR_SEC(fireball, speed_up), WEP_CVAR_SEC(fireball, lifetime), true))
        {
            PHYS_INPUT_BUTTON_ATCK2(actor) = true;
            if(random() < 0.01) actor.bot_primary_fireballmooth = 1;
        }
    }
}
METHOD(Fireball, wr_think, void(entity thiswep, entity actor, .entity weaponentity, int fire))
{
    if(fire & 1)
    {
        if(time >= actor.(weaponentity).fireball_primarytime)
        if(weapon_prepareattack(thiswep, actor, weaponentity, false, WEP_CVAR_PRI(fireball, refire)))
        {
            W_Fireball_Attack1_Frame0(thiswep, actor, weaponentity, fire);
            actor.(weaponentity).fireball_primarytime = time + WEP_CVAR_PRI(fireball, refire2) * W_WeaponRateFactor(actor);
        }
    }
    else if(fire & 2)
    {
        if(weapon_prepareattack(thiswep, actor, weaponentity, true, WEP_CVAR_SEC(fireball, refire)))
        {
            W_Fireball_Attack2(actor, weaponentity);
            weapon_thinkf(actor, weaponentity, WFRAME_FIRE2, WEP_CVAR_SEC(fireball, animtime), w_ready);
        }
    }
}
METHOD(Fireball, wr_checkammo1, bool(entity thiswep, entity actor, .entity weaponentity))
{
    return true; // infinite ammo
}
METHOD(Fireball, wr_checkammo2, bool(entity thiswep, entity actor, .entity weaponentity))
{
    return true; // fireball has infinite ammo
}
METHOD(Fireball, wr_resetplayer, void(entity thiswep, entity actor))
{
    for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
    {
        .entity weaponentity = weaponentities[slot];
        actor.(weaponentity).fireball_primarytime = time;
    }
}
METHOD(Fireball, wr_suicidemessage, Notification(entity thiswep))
{
    if(w_deathtype & HITTYPE_SECONDARY)
        return WEAPON_FIREBALL_SUICIDE_FIREMINE;
    else
        return WEAPON_FIREBALL_SUICIDE_BLAST;
}
METHOD(Fireball, wr_killmessage, Notification(entity thiswep))
{
    if(w_deathtype & HITTYPE_SECONDARY)
        return WEAPON_FIREBALL_MURDER_FIREMINE;
    else
        return WEAPON_FIREBALL_MURDER_BLAST;
}

#endif
#ifdef CSQC

METHOD(Fireball, wr_impacteffect, void(entity thiswep, entity actor))
{
    vector org2;
    if(w_deathtype & HITTYPE_SECONDARY)
    {
        // firemine goes out silently
    }
    else
    {
        org2 = w_org + w_backoff * 16;
        pointparticles(EFFECT_FIREBALL_EXPLODE, org2, '0 0 0', 1);
        if(!w_issilent)
            sound(actor, CH_SHOTS, SND_FIREBALL_IMPACT2, VOL_BASE, ATTEN_NORM * 0.25); // long range boom
    }
}

#endif