shockwave.qc

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#include "shockwave.qh"

REGISTER_NET_TEMP(TE_CSQC_SHOCKWAVEPARTICLE)

#ifdef SVQC

const float MAX_SHOCKWAVE_HITS = 10;
//#define DEBUG_SHOCKWAVE

.float swing_prev;
.entity swing_alreadyhit;
.float shockwave_blasttime;
entity shockwave_hit[MAX_SHOCKWAVE_HITS];
float shockwave_hit_damage[MAX_SHOCKWAVE_HITS];
vector shockwave_hit_force[MAX_SHOCKWAVE_HITS];

// MELEE ATTACK MODE
void W_Shockwave_Melee_Think(entity this)
{
    // declarations
    float i, f, swing, swing_factor, swing_damage, meleetime, is_player;
    entity target_victim;
    vector targpos;

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

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

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

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

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

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

        WarpZone_traceline_antilag(
            this.realowner,
            (this.realowner.origin + this.realowner.view_ofs),
            targpos,
            false,
            this.realowner,
            ANTILAG_LATENCY(this.realowner)
        );

        // draw lightning beams for debugging
#ifdef DEBUG_SHOCKWAVE
        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 if necessary
            && (trace_ent.takedamage == DAMAGE_AIM)
            && (trace_ent != this.swing_alreadyhit)
            && (is_player || WEP_CVAR(shockwave, 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(shockwave, melee_damage) * min(1, swing_factor + 1));
            else
                swing_damage = (WEP_CVAR(shockwave, melee_nonplayerdamage) * min(1, swing_factor + 1));

            // trigger damage with this calculated info
            Damage(
                target_victim,
                this.realowner,
                this.realowner,
                swing_damage,
                (WEP_SHOCKWAVE.m_id | HITTYPE_SECONDARY),
                this.weaponentity_fld,
                (this.realowner.origin + this.realowner.view_ofs),
                (v_forward * WEP_CVAR(shockwave, melee_force))
            );

            // handle accuracy
            if(accuracy_isgooddamage(this.realowner, target_victim))
                { accuracy_add(this.realowner, WEP_SHOCKWAVE, 0, swing_damage); }

            #ifdef DEBUG_SHOCKWAVE
            LOG_INFOF(
                "MELEE: %s hitting %s with %f damage (factor: %f) at %f time.",
                this.realowner.netname,
                target_victim.netname,
                swing_damage,
                swing_factor,
                time
            );
            #endif

            // allow multiple hits with one swing, but not against the same player twice
            if(WEP_CVAR(shockwave, melee_multihit))
            {
                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_Shockwave_Melee(Weapon thiswep, entity actor, .entity weaponentity, int fire)
{
    sound(actor, CH_WEAPON_A, SND_SHOTGUN_MELEE, VOL_BASE, ATTN_NORM);
    weapon_thinkf(actor, weaponentity, WFRAME_FIRE2, WEP_CVAR(shockwave, melee_animtime), w_ready);

    entity meleetemp = new_pure(meleetemp);
    meleetemp.owner = meleetemp.realowner = actor;
    setthink(meleetemp, W_Shockwave_Melee_Think);
    meleetemp.nextthink = time + WEP_CVAR(shockwave, melee_delay) * W_WeaponRateFactor(actor);
    meleetemp.weaponentity_fld = weaponentity;
    W_SetupShot_Range(actor, weaponentity, true, 0, SND_Null, 0, WEP_CVAR(shockwave, melee_damage), WEP_CVAR(shockwave, melee_range), thiswep.m_id | HITTYPE_SECONDARY);
}

// SHOCKWAVE ATTACK MODE
float W_Shockwave_Attack_CheckSpread(
    vector targetorg,
    vector nearest_on_line,
    vector sw_shotorg,
    vector attack_endpos)
{
    float spreadlimit;
    float distance_of_attack = vlen(sw_shotorg - attack_endpos);
    float distance_from_line = vlen(targetorg - nearest_on_line);

    spreadlimit = (distance_of_attack ? min(1, (vlen(sw_shotorg - nearest_on_line) / distance_of_attack)) : 1);
    spreadlimit =
        (
            (WEP_CVAR(shockwave, blast_spread_min) * (1 - spreadlimit))
            +
            (WEP_CVAR(shockwave, blast_spread_max) * spreadlimit)
        );

    if(
        (spreadlimit && (distance_from_line <= spreadlimit))
        &&
        ((vlen(normalize(targetorg - sw_shotorg) - normalize(attack_endpos - sw_shotorg)) * RAD2DEG) <= 90)
    )
        { return bound(0, (distance_from_line / spreadlimit), 1); }
    else
        { return false; }
}

float W_Shockwave_Attack_IsVisible(
    entity actor,
    entity head,
    vector nearest_on_line,
    vector sw_shotorg,
    vector attack_endpos)
{
    vector nearest_to_attacker = head.WarpZone_findradius_nearest;
    vector center = (head.origin + (head.mins + head.maxs) * 0.5);
    vector corner;
    float i;

    // STEP ONE: Check if the nearest point is clear
    if(W_Shockwave_Attack_CheckSpread(nearest_to_attacker, nearest_on_line, sw_shotorg, attack_endpos))
    {
        WarpZone_TraceLine(sw_shotorg, nearest_to_attacker, MOVE_NOMONSTERS, actor);
        if(trace_fraction == 1) { return true; } // yes, the nearest point is clear and we can allow the damage
    }

    // STEP TWO: Check if shotorg to center point is clear
    if(W_Shockwave_Attack_CheckSpread(center, nearest_on_line, sw_shotorg, attack_endpos))
    {
        WarpZone_TraceLine(sw_shotorg, center, MOVE_NOMONSTERS, actor);
        if(trace_fraction == 1) { return true; } // yes, the center point is clear and we can allow the damage
    }

    // STEP THREE: Check each corner to see if they are clear
    for(i=1; i<=8; ++i)
    {
        corner = get_corner_position(head, i);
        if(W_Shockwave_Attack_CheckSpread(corner, nearest_on_line, sw_shotorg, attack_endpos))
        {
            WarpZone_TraceLine(sw_shotorg, corner, MOVE_NOMONSTERS, actor);
            if(trace_fraction == 1) { return true; } // yes, this corner is clear and we can allow the damage
        }
    }

    return false;
}

float W_Shockwave_Attack_CheckHit(
    float queue,
    entity head,
    vector final_force,
    float final_damage)
{
    if(!head) { return false; }
    float i;

    for(i = 0; i <= queue; ++i)
    {
        if(shockwave_hit[i] == head)
        {
            if(vlen2(final_force) > vlen2(shockwave_hit_force[i])) { shockwave_hit_force[i] = final_force; }
            if(final_damage > shockwave_hit_damage[i]) { shockwave_hit_damage[i] = final_damage; }
            return false;
        }
    }

    shockwave_hit[queue] = head;
    shockwave_hit_force[queue] = final_force;
    shockwave_hit_damage[queue] = final_damage;
    return true;
}

void W_Shockwave_Send(entity actor)
{
    WriteHeader(MSG_BROADCAST, TE_CSQC_SHOCKWAVEPARTICLE);
    WriteVector(MSG_BROADCAST, w_shotorg);
    WriteVector(MSG_BROADCAST, w_shotdir);
    WriteShort(MSG_BROADCAST, WEP_CVAR(shockwave, blast_distance));
    WriteByte(MSG_BROADCAST, bound(0, WEP_CVAR(shockwave, blast_spread_max), 255));
    WriteByte(MSG_BROADCAST, bound(0, WEP_CVAR(shockwave, blast_spread_min), 255));
    WriteByte(MSG_BROADCAST, etof(actor));
}

void W_Shockwave_Attack(Weapon thiswep, entity actor, .entity weaponentity)
{
    // declarations
    float multiplier, multiplier_from_accuracy, multiplier_from_distance;
    float final_damage;
    vector final_force, center, vel;
    entity head;

    float i, queue = 0;

    // set up the shot direction
    W_SetupShot(actor, weaponentity, true, 3, SND_LASERGUN_FIRE, CH_WEAPON_B, WEP_CVAR(shockwave, blast_damage), thiswep.m_id);
    vector attack_endpos = (w_shotorg + (w_shotdir * WEP_CVAR(shockwave, blast_distance)));
    WarpZone_TraceLine(w_shotorg, attack_endpos, MOVE_NOMONSTERS, actor);
    vector attack_hitpos = trace_endpos;
    float distance_to_end = vlen(w_shotorg - attack_endpos);
    float distance_to_hit = vlen(w_shotorg - attack_hitpos);
    //entity transform = WarpZone_trace_transform;

    // do the firing effect now
    W_Shockwave_Send(actor);
    Damage_DamageInfo(
        attack_hitpos,
        WEP_CVAR(shockwave, blast_splash_damage),
        WEP_CVAR(shockwave, blast_splash_edgedamage),
        WEP_CVAR(shockwave, blast_splash_radius),
        w_shotdir * WEP_CVAR(shockwave, blast_splash_force),
        thiswep.m_id,
        0,
        actor
    );

    // splash damage/jumping trace
    head = WarpZone_FindRadius(
        attack_hitpos,
        max(
            WEP_CVAR(shockwave, blast_splash_radius),
            WEP_CVAR(shockwave, blast_jump_radius)
        ),
        false
    );

    float lag = ((IS_REAL_CLIENT(actor)) ? ANTILAG_LATENCY(actor) : 0);
    bool noantilag = ((IS_CLIENT(actor)) ? CS_CVAR(actor).cvar_cl_noantilag : false);
    if(lag < 0.001)
        lag = 0;
    if(autocvar_g_antilag == 0 || noantilag)
        lag = 0; // only do hitscan, but no antilag
    if(lag)
        antilag_takeback_all(actor, lag);

    while(head)
    {
        if(head.takedamage)
        {
            float distance_to_head = vlen(attack_hitpos - head.WarpZone_findradius_nearest);

            if((head == actor) && (distance_to_head <= WEP_CVAR(shockwave, blast_jump_radius)))
            {
                // ========================
                //  BLAST JUMP CALCULATION
                // ========================

                // calculate importance of distance and accuracy for this attack
                multiplier_from_accuracy = (1 -
                    (distance_to_head ?
                        min(1, (distance_to_head / WEP_CVAR(shockwave, blast_jump_radius)))
                        :
                        0
                    )
                );
                multiplier_from_distance = (1 -
                    (distance_to_hit ?
                        min(1, (distance_to_hit / distance_to_end))
                        :
                        0
                    )
                );
                multiplier =
                    max(
                        WEP_CVAR(shockwave, blast_jump_multiplier_min),
                        (
                            (multiplier_from_accuracy * WEP_CVAR(shockwave, blast_jump_multiplier_accuracy))
                            +
                            (multiplier_from_distance * WEP_CVAR(shockwave, blast_jump_multiplier_distance))
                        )
                    );

                // calculate damage from multiplier: 1 = "highest" damage, 0 = "lowest" edgedamage
                final_damage =
                    (
                        (WEP_CVAR(shockwave, blast_jump_damage) * multiplier)
                        +
                        (WEP_CVAR(shockwave, blast_jump_edgedamage) * (1 - multiplier))
                    );

                // figure out the direction of force
                vel = normalize(vec2(head.velocity));
                vel *=
                    (
                        bound(0, (vlen(vel) / autocvar_sv_maxspeed), 1)
                        *
                        WEP_CVAR(shockwave, blast_jump_force_velocitybias)
                    );
                final_force = normalize((CENTER_OR_VIEWOFS(head) - attack_hitpos) + vel);

                // now multiply the direction by force units
                final_force *= (WEP_CVAR(shockwave, blast_jump_force) * multiplier);
                final_force.z *= WEP_CVAR(shockwave, blast_jump_force_zscale);

                // trigger damage with this calculated info
                Damage(
                    head,
                    actor,
                    actor,
                    final_damage,
                    thiswep.m_id,
                    weaponentity,
                    head.origin,
                    final_force
                );

                #ifdef DEBUG_SHOCKWAVE
                LOG_INFOF(
                    "SELF HIT: multiplier = %f, damage = %f, force = %f... "
                    "multiplier_from_accuracy = %f, multiplier_from_distance = %f.",
                    multiplier,
                    final_damage,
                    vlen(final_force),
                    multiplier_from_accuracy,
                    multiplier_from_distance
                );
                #endif
            }
            else if(distance_to_head <= WEP_CVAR(shockwave, blast_splash_radius))
            {
                // ==========================
                //  BLAST SPLASH CALCULATION
                // ==========================

                // calculate importance of distance and accuracy for this attack
                multiplier_from_accuracy = (1 -
                    (distance_to_head ?
                        min(1, (distance_to_head / WEP_CVAR(shockwave, blast_splash_radius)))
                        :
                        0
                    )
                );
                multiplier_from_distance = (1 -
                    (distance_to_hit ?
                        min(1, (distance_to_hit / distance_to_end))
                        :
                        0
                    )
                );
                multiplier =
                    max(
                        WEP_CVAR(shockwave, blast_splash_multiplier_min),
                        (
                            (multiplier_from_accuracy * WEP_CVAR(shockwave, blast_splash_multiplier_accuracy))
                            +
                            (multiplier_from_distance * WEP_CVAR(shockwave, blast_splash_multiplier_distance))
                        )
                    );

                // calculate damage from multiplier: 1 = "highest" damage, 0 = "lowest" edgedamage
                final_damage =
                    (
                        (WEP_CVAR(shockwave, blast_splash_damage) * multiplier)
                        +
                        (WEP_CVAR(shockwave, blast_splash_edgedamage) * (1 - multiplier))
                    );

                // figure out the direction of force
                final_force = (w_shotdir * WEP_CVAR(shockwave, blast_splash_force_forwardbias));
                final_force = normalize(CENTER_OR_VIEWOFS(head) - (attack_hitpos - final_force));
                //te_lightning2(NULL, attack_hitpos, (attack_hitpos + (final_force * 200)));

                // now multiply the direction by force units
                final_force *= (WEP_CVAR(shockwave, blast_splash_force) * multiplier);
                final_force.z *= WEP_CVAR(shockwave, blast_force_zscale);

                // queue damage with this calculated info
                if(W_Shockwave_Attack_CheckHit(queue, head, final_force, final_damage)) { queue = min(queue + 1, MAX_SHOCKWAVE_HITS); }

                #ifdef DEBUG_SHOCKWAVE
                LOG_INFOF(
                    "SPLASH HIT: multiplier = %f, damage = %f, force = %f... "
                    "multiplier_from_accuracy = %f, multiplier_from_distance = %f.",
                    multiplier,
                    final_damage,
                    vlen(final_force),
                    multiplier_from_accuracy,
                    multiplier_from_distance
                );
                #endif
            }
        }
        head = head.chain;
    }

    // cone damage trace
    head = WarpZone_FindRadius(w_shotorg, WEP_CVAR(shockwave, blast_distance), false);
    while(head)
    {
        if((head != actor) && head.takedamage)
        {
            // ========================
            //  BLAST CONE CALCULATION
            // ========================

            // if it's a player, use the view origin as reference (stolen from RadiusDamage functions in damage.qc)
            center = CENTER_OR_VIEWOFS(head);

            // find the closest point on the enemy to the center of the attack
            float h; // hypotenuse, which is the distance between attacker to head
            float a; // adjacent side, which is the distance between attacker and the point on w_shotdir that is closest to head.origin

            h = vlen(center - actor.origin);
            a = h * (normalize(center - actor.origin) * w_shotdir);
            // WEAPONTODO: replace with simpler method

            vector nearest_on_line = (w_shotorg + a * w_shotdir);
            vector nearest_to_attacker = WarpZoneLib_NearestPointOnBox(center + head.mins, center + head.maxs, nearest_on_line);

            if((vdist(head.WarpZone_findradius_dist, <=, WEP_CVAR(shockwave, blast_distance)))
                && (W_Shockwave_Attack_IsVisible(actor, head, nearest_on_line, w_shotorg, attack_endpos)))
            {
                // calculate importance of distance and accuracy for this attack
                multiplier_from_accuracy = (1 -
                    W_Shockwave_Attack_CheckSpread(
                        nearest_to_attacker,
                        nearest_on_line,
                        w_shotorg,
                        attack_endpos
                    )
                );
                multiplier_from_distance = (1 -
                    (distance_to_hit ?
                        min(1, (vlen(head.WarpZone_findradius_dist) / distance_to_end))
                        :
                        0
                    )
                );
                multiplier =
                    max(
                        WEP_CVAR(shockwave, blast_multiplier_min),
                        (
                            (multiplier_from_accuracy * WEP_CVAR(shockwave, blast_multiplier_accuracy))
                            +
                            (multiplier_from_distance * WEP_CVAR(shockwave, blast_multiplier_distance))
                        )
                    );

                // calculate damage from multiplier: 1 = "highest" damage, 0 = "lowest" edgedamage
                final_damage =
                    (
                        (WEP_CVAR(shockwave, blast_damage) * multiplier)
                        +
                        (WEP_CVAR(shockwave, blast_edgedamage) * (1 - multiplier))
                    );

                // figure out the direction of force
                final_force = (w_shotdir * WEP_CVAR(shockwave, blast_force_forwardbias));
                final_force = normalize(center - (nearest_on_line - final_force));
                //te_lightning2(NULL, nearest_on_line, (attack_hitpos + (final_force * 200)));

                // now multiply the direction by force units
                final_force *= (WEP_CVAR(shockwave, blast_force) * multiplier);
                final_force.z *= WEP_CVAR(shockwave, blast_force_zscale);

                // queue damage with this calculated info
                if(W_Shockwave_Attack_CheckHit(queue, head, final_force, final_damage)) { queue = min(queue + 1, MAX_SHOCKWAVE_HITS); }

                #ifdef DEBUG_SHOCKWAVE
                LOG_INFOF(
                    "BLAST HIT: multiplier = %f, damage = %f, force = %f... "
                    "multiplier_from_accuracy = %f, multiplier_from_distance = %f.",
                    multiplier,
                    final_damage,
                    vlen(final_force),
                    multiplier_from_accuracy,
                    multiplier_from_distance
                );
                #endif
            }
        }
        head = head.chain;
    }

    for(i = 1; i <= queue; ++i)
    {
        head = shockwave_hit[i-1];
        final_force = shockwave_hit_force[i-1];
        final_damage = shockwave_hit_damage[i-1];

        Damage(
            head,
            actor,
            actor,
            final_damage,
            thiswep.m_id,
            weaponentity,
            head.origin,
            final_force
        );

        if(accuracy_isgooddamage(actor, head))
            accuracy_add(actor, thiswep, 0, final_damage);

        #ifdef DEBUG_SHOCKWAVE
        LOG_INFOF(
            "SHOCKWAVE by %s: damage = %f, force = %f.",
            actor.netname,
            final_damage,
            vlen(final_force)
        );
        #endif

        shockwave_hit[i-1] = NULL;
        shockwave_hit_force[i-1] = '0 0 0';
        shockwave_hit_damage[i-1] = 0;
    }

    if(lag)
        antilag_restore_all(actor);
}

METHOD(Shockwave, wr_aim, void(entity thiswep, entity actor, .entity weaponentity))
{
    if(vdist(actor.origin - actor.enemy.origin, <=, WEP_CVAR(shockwave, 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(Shockwave, wr_think, void(entity thiswep, entity actor, .entity weaponentity, int fire))
{
    if(fire & 1)
    {
        if(time >= actor.(weaponentity).shockwave_blasttime) // handle refire separately so the secondary can be fired straight after a primary
        {
            if(weapon_prepareattack(thiswep, actor, weaponentity, false, WEP_CVAR(shockwave, blast_animtime)))
            {
                W_Shockwave_Attack(thiswep, actor, weaponentity);
                actor.(weaponentity).shockwave_blasttime = time + WEP_CVAR(shockwave, blast_refire) * W_WeaponRateFactor(actor);
                weapon_thinkf(actor, weaponentity, WFRAME_FIRE1, WEP_CVAR(shockwave, blast_animtime), w_ready);
            }
        }
    }
    else if(fire & 2)
    {
        //if(actor.clip_load >= 0) // we are not currently reloading
        if(weapon_prepareattack(thiswep, actor, weaponentity, true, WEP_CVAR(shockwave, melee_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_Shockwave_Melee);
        }
    }
}
METHOD(Shockwave, wr_checkammo1, bool(entity thiswep, entity actor, .entity weaponentity))
{
    return true; // infinite ammo
}
METHOD(Shockwave, wr_checkammo2, bool(entity thiswep, entity actor, .entity weaponentity))
{
    // shockwave has infinite ammo
    return true;
}
METHOD(Shockwave, wr_suicidemessage, Notification(entity thiswep))
{
    return WEAPON_THINKING_WITH_PORTALS;
}
METHOD(Shockwave, wr_killmessage, Notification(entity thiswep))
{
    if(w_deathtype & HITTYPE_SECONDARY)
        return WEAPON_SHOCKWAVE_MURDER_SLAP;
    else
        return WEAPON_SHOCKWAVE_MURDER;
}

#endif
#ifdef CSQC
// WEAPONTODO: add client side settings for these
const float SW_MAXALPHA = 0.5;
const float SW_FADETIME = 0.4;
const float SW_DISTTOMIN = 200;
void Draw_Shockwave(entity this)
{
    // fading/removal control
    float a = bound(0, (SW_MAXALPHA - ((time - this.sw_time) / SW_FADETIME)), SW_MAXALPHA);
    if(a < ALPHA_MIN_VISIBLE) { delete(this); }

    // WEAPONTODO: save this only once when creating the entity
    vector sw_color = entcs_GetColor(this.sv_entnum - 1); // Team_ColorRGB(entcs_GetTeam(this.sv_entnum));

    // WEAPONTODO: trace to find what we actually hit
    vector endpos = (this.sw_shotorg + (this.sw_shotdir * this.sw_distance));

    vector _forward, right, up;
    VECTOR_VECTORS(this.sw_shotdir, _forward, right, up);

    // WEAPONTODO: combine and simplify these calculations
    vector min_end = ((this.sw_shotorg + (this.sw_shotdir * SW_DISTTOMIN)) + (up * this.sw_spread_min));
    vector max_end = (endpos + (up * this.sw_spread_max));
    float spread_to_min = vlen(normalize(min_end - this.sw_shotorg) - this.sw_shotdir);
    float spread_to_max = vlen(normalize(max_end - min_end) - this.sw_shotdir);

    vector first_min_end = '0 0 0', prev_min_end = '0 0 0', new_min_end = '0 0 0';
    vector first_max_end = '0 0 0', prev_max_end = '0 0 0', new_max_end = '0 0 0';
    float new_max_dist, new_min_dist;

    vector deviation, angle = '0 0 0';
    float counter, divisions = 20;
    for(counter = 0; counter < divisions; ++counter)
    {
        // perfect circle effect lines
        makevectors('0 360 0' * (0.75 + (counter - 0.5) / divisions));
        angle.y = v_forward.x;
        angle.z = v_forward.y;

        // first do the spread_to_min effect
        deviation = angle * spread_to_min;
        deviation = ((this.sw_shotdir + (right * deviation.y) + (up * deviation.z)));
        new_min_dist = SW_DISTTOMIN;
        new_min_end = (this.sw_shotorg + (deviation * new_min_dist));
        //te_lightning2(NULL, new_min_end, this.sw_shotorg);

        // then calculate spread_to_max effect
        deviation = angle * spread_to_max;
        deviation = ((this.sw_shotdir + (right * deviation.y) + (up * deviation.z)));
        new_max_dist = vlen(new_min_end - endpos);
        new_max_end = (new_min_end + (deviation * new_max_dist));
        //te_lightning2(NULL, new_end, prev_min_end);


        if(counter == 0)
        {
            first_min_end = new_min_end;
            first_max_end = new_max_end;
        }

        if(counter >= 1)
        {
            // draw from shot origin to min spread radius
            R_BeginPolygon("", DRAWFLAG_NORMAL, false);
            R_PolygonVertex(prev_min_end, '0 0 0', sw_color, a);
            R_PolygonVertex(new_min_end, '0 0 0', sw_color, a);
            R_PolygonVertex(this.sw_shotorg, '0 0 0', sw_color, a);
            R_EndPolygon();

            // draw from min spread radius to max spread radius
            R_BeginPolygon("", DRAWFLAG_NORMAL, false);
            R_PolygonVertex(new_min_end, '0 0 0', sw_color, a);
            R_PolygonVertex(prev_min_end, '0 0 0', sw_color, a);
            R_PolygonVertex(prev_max_end, '0 0 0', sw_color, a);
            R_PolygonVertex(new_max_end, '0 0 0', sw_color, a);
            R_EndPolygon();
        }

        prev_min_end = new_min_end;
        prev_max_end = new_max_end;

        // last division only
        if((counter + 1) == divisions)
        {
            // draw from shot origin to min spread radius
            R_BeginPolygon("", DRAWFLAG_NORMAL, false);
            R_PolygonVertex(prev_min_end, '0 0 0', sw_color, a);
            R_PolygonVertex(first_min_end, '0 0 0', sw_color, a);
            R_PolygonVertex(this.sw_shotorg, '0 0 0', sw_color, a);
            R_EndPolygon();

            // draw from min spread radius to max spread radius
            R_BeginPolygon("", DRAWFLAG_NORMAL, false);
            R_PolygonVertex(first_min_end, '0 0 0', sw_color, a);
            R_PolygonVertex(prev_min_end, '0 0 0', sw_color, a);
            R_PolygonVertex(prev_max_end, '0 0 0', sw_color, a);
            R_PolygonVertex(first_max_end, '0 0 0', sw_color, a);
            R_EndPolygon();
        }
    }
}

NET_HANDLE(TE_CSQC_SHOCKWAVEPARTICLE, bool isNew)
{
    Net_ReadShockwaveParticle();
    return true;
}

void Net_ReadShockwaveParticle()
{
    entity shockwave = new(shockwave_cone);
    shockwave.draw = Draw_Shockwave;
    IL_PUSH(g_drawables, shockwave);

    shockwave.sw_shotorg = ReadVector();
    shockwave.sw_shotdir = ReadVector();

    shockwave.sw_distance = ReadShort();
    shockwave.sw_spread_max = ReadByte();
    shockwave.sw_spread_min = ReadByte();

    shockwave.sv_entnum = ReadByte();

    shockwave.sw_time = time;
}

METHOD(Shockwave, wr_impacteffect, void(entity thiswep, entity actor))
{
    // handled by Net_ReadShockwaveParticle
    //vector org2;
    //org2 = w_org + w_backoff * 2;
    //pointparticles(EFFECT_BLASTER_IMPACT, org2, w_backoff * 1000, 1);
}

#endif