fireball.qc

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#include "fireball.qh"
 
#ifdef SVQC
 
void W_Fireball_Explode(entity this, entity directhitentity)
{
    this.event_damage = func_null;
    this.takedamage = DAMAGE_NO;
 
    // 1. dist damage
    float d = GetResource(this.realowner, RES_HEALTH) + GetResource(this.realowner, RES_ARMOR);
 
    RadiusDamage(this, this.realowner,
        WEP_CVAR_PRI(WEP_FIREBALL, damage),
        WEP_CVAR_PRI(WEP_FIREBALL, edgedamage),
        WEP_CVAR_PRI(WEP_FIREBALL, radius),
        NULL,
        NULL,
        WEP_CVAR_PRI(WEP_FIREBALL, force),
        this.projectiledeathtype,
        this.weaponentity_fld, directhitentity
    );
 
    if (GetResource(this.realowner, RES_HEALTH) + GetResource(this.realowner, RES_ARMOR) >= d
    && !this.cnt)
    {
        float dist;
        float points;
        vector dir;
 
        modeleffect_spawn("models/sphere/sphere.md3", 0, 0, this.origin, '0 0 0', '0 0 0', '0 0 0', 0, WEP_CVAR_PRI(WEP_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 (entity e = findradius(this.origin, WEP_CVAR_PRI(WEP_FIREBALL, bfgradius)); e; e = e.chain)
            if (e != this.realowner && e.takedamage == DAMAGE_AIM && !IS_INDEPENDENT_PLAYER(e)
            && (!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(WEP_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(WEP_FIREBALL, bfgdamage) * points, 0); // add to hit
 
                Damage(e, this, this.realowner,
                    WEP_CVAR_PRI(WEP_FIREBALL, bfgdamage) * points,
                    this.projectiledeathtype | HITTYPE_BOUNCE | HITTYPE_SPLASH,
                    this.weaponentity_fld,
                    e.origin + e.view_ofs,
                    WEP_CVAR_PRI(WEP_FIREBALL, bfgforce) * dir
                );
 
                Send_Effect(EFFECT_FIREBALL_BFGDAMAGE, e.origin, -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 rad, float damage, float edgedamage, float burntime)
{
    if (damage <= 0)
        return;
 
    // NOTE: napalm_damage uses similar code, please keep them in sync
    RandomSelection_Init();
    entity last = NULL;
    float last_dist = 0;
    // optimize code by comparing squared distances and avoiding vlen and sqrt calls as much as possible
    float rad2 = rad * rad;
    for (entity e = WarpZone_FindRadius(this.origin, rad, true); e; e = e.chain)
    {
        if (STAT(FROZEN, e) || StatusEffects_active(STATUSEFFECT_Frozen, e)
        || e == this.realowner || IS_INDEPENDENT_PLAYER(e)
        || e.takedamage != DAMAGE_AIM
        || (IS_PLAYER(e) && this.realowner && SAME_TEAM(e, this)))
            continue;
 
        vector 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);
        float dist2 = vlen2(WarpZone_UnTransformOrigin(e, this.origin) - p);
        if (dist2 < rad2)
        {
            e.fireball_impactvec = p;
            last = e;
            last_dist = sqrt(dist2); // won't be recalculated if this entity is the only or last one found
            RandomSelection_AddEnt(e, 1 / (1 + last_dist), !StatusEffects_active(STATUSEFFECT_Burning, e));
        }
    }
    if (RandomSelection_chosen_ent)
    {
        float dist;
        if (RandomSelection_chosen_ent == last)
            dist = last_dist; // already calculated
        else
            dist = vlen(WarpZone_UnTransformOrigin(RandomSelection_chosen_ent, this.origin) - RandomSelection_chosen_ent.fireball_impactvec);
        dist = damage + (edgedamage - damage) * (dist / rad);
        Fire_AddDamage(RandomSelection_chosen_ent, this.realowner, dist * 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,
        WEP_CVAR_PRI(WEP_FIREBALL, laserradius),
        WEP_CVAR_PRI(WEP_FIREBALL, laserdamage),
        WEP_CVAR_PRI(WEP_FIREBALL, laseredgedamage),
        WEP_CVAR_PRI(WEP_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(WEP_FIREBALL, damage) + WEP_CVAR_PRI(WEP_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(WEP_FIREBALL, damage);
    proj.pushltime = time + WEP_CVAR_PRI(WEP_FIREBALL, lifetime);
    proj.use = W_Fireball_Explode_use;
    setthink(proj, W_Fireball_Think);
    proj.nextthink = time;
    SetResourceExplicit(proj, RES_HEALTH, WEP_CVAR_PRI(WEP_FIREBALL, health));
    proj.team = actor.team;
    proj.event_damage = W_Fireball_Damage;
    proj.takedamage = DAMAGE_YES;
    proj.damageforcescale = WEP_CVAR_PRI(WEP_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, WEP_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(WEP_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(WEP_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(WEP_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(WEP_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(WEP_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(WEP_FIREBALL, laserradius)))
        {
            ++this.cnt;
            if (this.cnt == 3)
                this.owner = NULL;
        }
        else
            this.cnt = 0;
    }
 
    W_Fireball_LaserPlay(this,
        WEP_CVAR_SEC(WEP_FIREBALL, laserradius),
        WEP_CVAR_SEC(WEP_FIREBALL, laserdamage),
        WEP_CVAR_SEC(WEP_FIREBALL, laseredgedamage),
        WEP_CVAR_SEC(WEP_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
    && Fire_AddDamage(toucher, this.realowner, WEP_CVAR_SEC(WEP_FIREBALL, damage), WEP_CVAR_SEC(WEP_FIREBALL, damagetime), this.projectiledeathtype) >= 0)
    {
        delete(this);
        return;
    }
    this.projectiledeathtype |= HITTYPE_BOUNCE;
}
 
void W_Fireball_Attack2(entity actor, .entity weaponentity)
{
    vector f_diff;
 
    float 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(WEP_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);
 
    entity proj = new(grenade);
    proj.owner = proj.realowner = actor;
    proj.bot_dodge = true;
    proj.bot_dodgerating = WEP_CVAR_SEC(WEP_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(WEP_FIREBALL, damageforcescale);
    proj.pushltime = time + WEP_CVAR_SEC(WEP_FIREBALL, lifetime);
    W_SetupProjVelocity_UP_SEC(proj, WEP_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);
}
 
.bool bot_primary_fireballmooth; // whatever a mooth is
 
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)
    {
        if (bot_aim(actor, weaponentity, WEP_CVAR_PRI(WEP_FIREBALL, speed), 0, WEP_CVAR_PRI(WEP_FIREBALL, lifetime), false, false))
        {
            PHYS_INPUT_BUTTON_ATCK(actor) = true;
            if (random() < 0.02)
                actor.bot_primary_fireballmooth = true;
        }
    }
    else
    {
        if (bot_aim(actor, weaponentity, WEP_CVAR_SEC(WEP_FIREBALL, speed), WEP_CVAR_SEC(WEP_FIREBALL, speed_up), WEP_CVAR_SEC(WEP_FIREBALL, lifetime), true, false))
        {
            PHYS_INPUT_BUTTON_ATCK2(actor) = true;
            if (random() < 0.01)
                actor.bot_primary_fireballmooth = false;
        }
    }
}
 
METHOD(Fireball, wr_think, void(entity thiswep, entity actor, .entity weaponentity, int fire))
{
    if (fire & 1)
    {
        if (time >= actor.(weaponentity).fireball_primarytime
        && weapon_prepareattack(thiswep, actor, weaponentity, false, WEP_CVAR_PRI(WEP_FIREBALL, refire)))
        {
            W_Fireball_Attack1_Frame0(thiswep, actor, weaponentity, fire);
            actor.(weaponentity).fireball_primarytime = time + WEP_CVAR_PRI(WEP_FIREBALL, refire2) * W_WeaponRateFactor(actor);
        }
    }
    else if (fire & 2)
    {
        if (weapon_prepareattack(thiswep, actor, weaponentity, true, WEP_CVAR_SEC(WEP_FIREBALL, refire)))
        {
            W_Fireball_Attack2(actor, weaponentity);
            weapon_thinkf(actor, weaponentity, WFRAME_FIRE2, WEP_CVAR_SEC(WEP_FIREBALL, animtime), w_ready);
        }
    }
}
 
METHOD(Fireball, wr_checkammo1, bool(entity thiswep, entity actor, .entity weaponentity))
{
    return true; // fireball has 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 // SVQC
#ifdef CSQC
 
METHOD(Fireball, wr_impacteffect, void(entity thiswep, entity actor))
{
    if (w_deathtype & HITTYPE_SECONDARY)
    {
        // firemine goes out silently
    }
    else
    {
        vector org2 = w_org + w_backoff * 2;
        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 // CSQC
#ifdef MENUQC
 
METHOD(Fireball, describe, string(Fireball this))
{
    TC(Fireball, this);
    PAGE_TEXT_INIT();
    PAR(_("The %s supercharges then fires a massive fireball in a straight line, dealing heaps of splash damage over a large radius on impact."), COLORED_NAME(this));
    PAR(_("The secondary fire launches flaming balls that set nearby players alight."));
    PAR(_("It is a superweapon, so isn't often found in game."));
    PAR(_("It doesn't require ammo, but it is destroyed after some time."));
    PAR(_("Since the %s takes a moment to charge and the fireball travels slowly, using it effectively may be difficult, "
          "but if done properly it can deal a ton of damage."), COLORED_NAME(this));
    PAR(W_Guide_Keybinds(this));
    PAR(W_Guide_DPS(this.netname, "primary", "secondary"));
    return PAGE_TEXT;
}
 
#endif // MENUQC