tracing.qc File Reference

#include "tracing.qh"
#include <common/constants.qh>
#include <common/deathtypes/all.qh>
#include <common/effects/all.qh>
#include <common/net_linked.qh>
#include <common/state.qh>
#include <common/util.qh>
#include <common/weapons/_all.qh>
#include <common/wepent.qh>
#include <lib/warpzone/common.qh>
#include <server/antilag.qh>
#include <server/damage.qh>
#include <server/main.qh>
#include <server/mutators/_mod.qh>
#include <server/weapons/accuracy.qh>
#include <server/weapons/common.qh>
#include <server/weapons/hitplot.qh>
#include <server/weapons/weaponsystem.qh>

Include dependency graph for tracing.qc:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Functions
void	crosshair_trace (entity pl)
void	crosshair_trace_plusvisibletriggers (entity pl)
void	crosshair_trace_plusvisibletriggers__is_wz (entity pl, bool is_wz)
void	fireBullet (entity this,.entity weaponentity, vector start, vector dir, float spread, float max_solid_penetration, float damage, float headshot_multiplier, float force, float dtype, entity tracer_effect)
void	fireBullet_antilag (entity this,.entity weaponentity, vector start, vector dir, float spread, float max_solid_penetration, float damage, float headshot_multiplier, float force, float dtype, entity tracer_effect, bool do_antilag)
void	fireBullet_falloff (entity this,.entity weaponentity, vector start, vector dir, float spread, float max_solid_penetration, float damage, float falloff_halflife, float falloff_mindist, float falloff_maxdist, float headshot_multiplier, float force, float falloff_forcehalflife, float dtype, entity tracer_effect, bool do_antilag)
void	fireBullet_trace_callback (vector start, vector hit, vector end)
void	FireRailgunBullet (entity this,.entity weaponentity, vector start, vector end, float bdamage, bool headshot_notify, float bforce, float mindist, float maxdist, float halflifedist, float forcehalflifedist, int deathtype)
bool	Headshot (entity targ, entity ent, vector start, vector end)
vector	W_CalculateProjectileVelocity (entity actor, vector pvelocity, vector mvelocity, float forceAbsolute)
void	W_SetupProjVelocity_Explicit (entity proj, vector dir, vector upDir, float pSpeed, float pUpSpeed, float pZSpeed, float spread, float forceAbsolute)
void	W_SetupShot_Dir_ProjectileSize_Range (entity ent,.entity weaponentity, vector s_forward, vector mi, vector ma, float antilag, float recoil, Sound snd, float chan, float maxdamage, float range, int deathtype)
	This function calculates w_shotorg and w_shotdir based on the weapon model offset, trueaim and antilag, and won't put w_shotorg inside a wall.
void	WarpZone_crosshair_trace (entity pl)
void	WarpZone_crosshair_trace_plusvisibletriggers (entity pl)

Function Documentation

crosshair_trace()

void crosshair_trace

(

entity

pl

)

Definition at line 542 of file tracing.qc.

{
    traceline_antilag(pl, CS(pl).cursor_trace_start, CS(pl).cursor_trace_start + normalize(CS(pl).cursor_trace_endpos - CS(pl).cursor_trace_start) * max_shot_distance, MOVE_NORMAL, pl, ANTILAG_LATENCY(pl));
}

References ANTILAG_LATENCY, CS(), cursor_trace_endpos, cursor_trace_start, entity(), max_shot_distance, MOVE_NORMAL, normalize(), and traceline_antilag().

Referenced by bumblebee_gunner_frame(), bumblebee_pilot_frame(), CheatCommand(), crosshair_trace_plusvisibletriggers__is_wz(), MUTATOR_HOOKFUNCTION(), racer_frame(), raptor_frame(), spiderbot_frame(), spiderbot_guide_release(), spiderbot_rocket_do(), and spiderbot_rocket_guided().

crosshair_trace_plusvisibletriggers()

void crosshair_trace_plusvisibletriggers

(

entity

pl

)

Definition at line 547 of file tracing.qc.

{
    crosshair_trace_plusvisibletriggers__is_wz(pl, false);
}

References crosshair_trace_plusvisibletriggers__is_wz(), and entity().

Referenced by Drag(), and sandbox_ObjectEdit_Get().

crosshair_trace_plusvisibletriggers__is_wz()

void crosshair_trace_plusvisibletriggers__is_wz	(	entity	pl,
		bool	is_wz )

Definition at line 557 of file tracing.qc.

{
    FOREACH_ENTITY_FLOAT(solid, SOLID_TRIGGER,
    {
        if (it.model != "")
        {
            it.solid = SOLID_BSP;
            IL_PUSH(g_ctrace_changed, it);
        }
    });
 
    if (is_wz)
        WarpZone_crosshair_trace(pl);
    else
        crosshair_trace(pl);
 
    IL_EACH(g_ctrace_changed, true, it.solid = SOLID_TRIGGER);
 
    IL_CLEAR(g_ctrace_changed);
}

References crosshair_trace(), entity(), FOREACH_ENTITY_FLOAT, g_ctrace_changed, IL_CLEAR, IL_EACH, IL_PUSH(), solid, SOLID_BSP, SOLID_TRIGGER, and WarpZone_crosshair_trace().

Referenced by crosshair_trace_plusvisibletriggers(), and WarpZone_crosshair_trace_plusvisibletriggers().

fireBullet()

void fireBullet	(	entity	this,
		.entity	weaponentity,
		vector	start,
		vector	dir,
		float	spread,
		float	max_solid_penetration,
		float	damage,
		float	headshot_multiplier,
		float	force,
		float	dtype,
		entity	tracer_effect )

Definition at line 537 of file tracing.qc.

{
    fireBullet_antilag(this, weaponentity, start, dir, spread, max_solid_penetration, damage, headshot_multiplier, force, dtype, tracer_effect, true);
}

References dir, entity(), fireBullet_antilag(), and vector.

Referenced by spiderbot_frame(), and W_OverkillHeavyMachineGun_Attack_Auto().

fireBullet_antilag()

void fireBullet_antilag	(	entity	this,
		.entity	weaponentity,
		vector	start,
		vector	dir,
		float	spread,
		float	max_solid_penetration,
		float	damage,
		float	headshot_multiplier,
		float	force,
		float	dtype,
		entity	tracer_effect,
		bool	do_antilag )

Definition at line 532 of file tracing.qc.

{
    fireBullet_falloff(this, weaponentity, start, dir, spread, max_solid_penetration, damage, 0, 0, 0, headshot_multiplier, force, 0, dtype, tracer_effect, do_antilag);
}

References dir, entity(), fireBullet_falloff(), and vector.

Referenced by fireBullet().

fireBullet_falloff()

void fireBullet_falloff	(	entity	this,
		.entity	weaponentity,
		vector	start,
		vector	dir,
		float	spread,
		float	max_solid_penetration,
		float	damage,
		float	falloff_halflife,
		float	falloff_mindist,
		float	falloff_maxdist,
		float	headshot_multiplier,
		float	force,
		float	falloff_forcehalflife,
		float	dtype,
		entity	tracer_effect,
		bool	do_antilag )

Definition at line 356 of file tracing.qc.

{
    dir = W_CalculateSpread(dir, spread, autocvar_g_hitscan_spread_style, true);
    vector end = start + dir * max_shot_distance;
 
    fireBullet_last_hit = NULL;
    fireBullet_trace_callback_eff = tracer_effect;
 
    float solid_penetration_fraction = 1;
    float damage_fraction = 1;
    float total_damage = 0;
 
    float lag = (do_antilag ? antilag_getlag(this) : 0);
    if (lag)
        antilag_takeback_all(this, lag);
 
    // change shooter to SOLID_BBOX so the shot can hit corpses
    int oldsolid = this.dphitcontentsmask;
    if (this)
        this.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_CORPSE;
 
    WarpZone_trace_forent = this;
 
    bool headshot = false; // indicates that one of the hit targets was a headshot
    for (;;)
    {
        WarpZone_TraceBox_ThroughZone(start, '0 0 0', '0 0 0', end, false, WarpZone_trace_forent, NULL, fireBullet_trace_callback);
        dir = WarpZone_TransformVelocity(WarpZone_trace_transform, dir);
        end = WarpZone_TransformOrigin(WarpZone_trace_transform, end);
        start = trace_endpos;
        entity hit = trace_ent;
 
        // traced up to max_shot_distance and didn't hit anything at all
        if (trace_fraction == 1)
            break;
 
        // When hitting sky, stop.
        if (trace_dphitq3surfaceflags & Q3SURFACEFLAG_SKY)
            break;
 
        // can't use noimpact, as we need to pass through walls
        //if (trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOIMPACT)
            //break;
 
        // if we hit "weapclip", bail out
        //
        // rationale of this check:
        //
        // any shader that is solid, nodraw AND trans is meant to clip weapon
        // shots and players, but has no other effect!
        //
        // if it is not trans, it is caulk and should not have this side effect
        //
        // matching shaders:
        //   common/weapclip (intended)
        //   common/noimpact (is supposed to eat projectiles, but is erased anyway)
        bool is_weapclip = false;
        if ((trace_dphitq3surfaceflags & Q3SURFACEFLAG_NODRAW)
        && !(trace_dphitq3surfaceflags & Q3SURFACEFLAG_NONSOLID)
        && !(trace_dphitcontents & DPCONTENTS_OPAQUE))
            is_weapclip = true;
 
        if (!hit || hit.solid == SOLID_BSP || hit.solid == SOLID_SLIDEBOX)
            Damage_DamageInfo(start, damage * damage_fraction, 0, 0, max(1, force) * dir * damage_fraction, dtype, hit.species, this);
 
        // Avoid self-damage (except after going through a warp)
        // avoid hitting the same entity twice (engine bug)
        if (hit && hit != WarpZone_trace_forent && hit != fireBullet_last_hit)
        {
            fireBullet_last_hit = hit;
            yoda = 0;
            MUTATOR_CALLHOOK(FireBullet_Hit, this, hit, start, end, damage, this.(weaponentity));
            damage = M_ARGV(4, float);
            if (headshot_multiplier && Headshot(hit, this, start, end))
            {
                damage *= headshot_multiplier;
                headshot = true;
            }
            bool gooddamage = accuracy_isgooddamage(this, hit);
 
            float dealt_damage = damage * damage_fraction;
            vector dealt_force = force * dir * damage_fraction;
 
            if (falloff_halflife || falloff_forcehalflife)
            {
                // start, end and trace_endpos seem unreliable for
                // falloff calculations, using `entity.origin`s instead.
                // dist is only used to measure distance between shooter
                // and target entities and do math based on the distance
                // target's location = hit.origin
                // shooter's location = this.origin
                float dist = vlen(WarpZone_UnTransformOrigin(WarpZone_trace_transform, hit.origin) - this.origin);
 
                if (falloff_halflife)
                    dealt_damage *= ExponentialFalloff(falloff_mindist, falloff_maxdist, falloff_halflife,      dist);
 
                if (falloff_forcehalflife)
                    dealt_force  *= ExponentialFalloff(falloff_mindist, falloff_maxdist, falloff_forcehalflife, dist);
            }
 
            Damage(hit, this, this, dealt_damage, dtype, weaponentity, start, dealt_force);
 
            // calculate hits for ballistic weapons
            if (gooddamage)
            {
                // do not exceed 100%
                float added_damage = min(damage - total_damage, damage * damage_fraction);
                total_damage += damage * damage_fraction;
                accuracy_add(this, this.(weaponentity).m_weapon, 0, added_damage, 0); // add to hit
            }
        }
 
        if (is_weapclip && !autocvar_g_ballistics_penetrate_clips)
            break;
 
        // go through solid!
        // outside the world? forget it
        if (start.x > world.maxs.x || start.y > world.maxs.y || start.z > world.maxs.z
        ||  start.x < world.mins.x || start.y < world.mins.y || start.z < world.mins.z)
            break;
 
        float maxdist;
        entity hitstore = IS_PLAYER(hit) ? PS(hit) : hit;
        if (max_solid_penetration < 0)
            break;
        else if (hitstore.ballistics_density < -1)
            break; // -2: no solid penetration, ever
        else if (hitstore.ballistics_density < 0)
            maxdist = vlen(hit.maxs - hit.mins) + 1; // -1: infinite travel distance
        else if (hitstore.ballistics_density == 0)
            maxdist = max_solid_penetration * solid_penetration_fraction;
        else
            maxdist = max_solid_penetration * solid_penetration_fraction / hitstore.ballistics_density;
 
        if (maxdist <= autocvar_g_ballistics_mindistance)
            break;
 
        // move the entity along its velocity until it's out of solid, then let it resume
        // The previously hit entity is ignored here!
        traceline_inverted (start, start + dir * maxdist, MOVE_NORMAL, WarpZone_trace_forent, true, hit);
        if (trace_fraction == 1) // 1: we never got out of solid
            break;
 
        float dist_taken = max(autocvar_g_ballistics_mindistance, vlen(trace_endpos - start));
        float fraction_used_of_what_is_left = dist_taken / maxdist;
        solid_penetration_fraction -= solid_penetration_fraction * fraction_used_of_what_is_left;
        solid_penetration_fraction = max(solid_penetration_fraction, 0);
        damage_fraction = pow(solid_penetration_fraction, autocvar_g_ballistics_solidpenetration_exponent);
 
        // Only show effect when going through a player (invisible otherwise)
        if (hit && hit.solid != SOLID_BSP
        && vdist(trace_endpos - start, >, 4))
            trailparticles(this, fireBullet_trace_callback_eff, start, trace_endpos);
 
        start = trace_endpos;
 
        if (hit.solid == SOLID_BSP)
            Damage_DamageInfo(start, 0, 0, 0, max(1, force) * normalize(dir) * -damage_fraction, dtype, 0, this);
    }
 
    if (headshot)
        Send_Notification(NOTIF_ONE, this, MSG_ANNCE, ANNCE_HEADSHOT);
 
    if (lag)
        antilag_restore_all(this);
 
    // restore shooter solid type
    if (this)
        this.dphitcontentsmask = oldsolid;
}

References accuracy_add(), accuracy_isgooddamage(), antilag_getlag(), antilag_restore_all(), antilag_takeback_all(), autocvar_g_ballistics_mindistance, autocvar_g_ballistics_penetrate_clips, autocvar_g_ballistics_solidpenetration_exponent, autocvar_g_hitscan_spread_style, Damage(), Damage_DamageInfo(), dir, DPCONTENTS_BODY, DPCONTENTS_CORPSE, DPCONTENTS_OPAQUE, DPCONTENTS_SOLID, dphitcontentsmask, entity(), ExponentialFalloff(), fireBullet_last_hit, fireBullet_trace_callback(), fireBullet_trace_callback_eff, Headshot(), IS_PLAYER, M_ARGV, m_weapon, max(), max_shot_distance, min(), MOVE_NORMAL, MUTATOR_CALLHOOK, normalize(), NULL, pow, PS, Q3SURFACEFLAG_NODRAW, Q3SURFACEFLAG_NONSOLID, Q3SURFACEFLAG_SKY, Send_Notification(), SOLID_BSP, SOLID_SLIDEBOX, trace_dphitcontents, trace_dphitq3surfaceflags, trace_endpos, trace_ent, trace_fraction, traceline_inverted(), trailparticles, vdist, vector, vlen(), W_CalculateSpread(), WarpZone_trace_forent, WarpZone_trace_transform, WarpZone_TraceBox_ThroughZone(), WarpZone_TransformOrigin(), WarpZone_TransformVelocity(), WarpZone_UnTransformOrigin(), world, and yoda.

Referenced by fireBullet_antilag(), W_MachineGun_Attack(), W_MachineGun_Attack_Auto(), W_MachineGun_Attack_Burst(), W_OverkillMachineGun_Attack_Auto(), W_Rifle_FireBullet(), and W_Shotgun_Attack().

fireBullet_trace_callback()

void fireBullet_trace_callback	(	vector	start,
		vector	hit,
		vector	end )

Definition at line 348 of file tracing.qc.

{
    if (vdist(hit - start, >, 16))
        trailparticles(NULL, fireBullet_trace_callback_eff, start, hit);
    WarpZone_trace_forent = NULL;
    fireBullet_last_hit = NULL;
}

References fireBullet_last_hit, fireBullet_trace_callback_eff, NULL, trailparticles, vdist, vector, and WarpZone_trace_forent.

Referenced by fireBullet_falloff().

FireRailgunBullet()

void FireRailgunBullet	(	entity	this,
		.entity	weaponentity,
		vector	start,
		vector	end,
		float	bdamage,
		bool	headshot_notify,
		float	bforce,
		float	mindist,
		float	maxdist,
		float	halflifedist,
		float	forcehalflifedist,
		int	deathtype )

Definition at line 231 of file tracing.qc.

{
    vector dir = normalize(end - start);
    vector force = dir * bforce;
 
    // go a little bit into the wall because we need to hit this wall later
    end += dir;
 
    float totaldmg = 0;
    bool headshot = false; // indicates that one of the targets hit was a headshot
 
    // trace multiple times until we hit a wall, each obstacle will be made
    // non-solid so we can hit the next, while doing this we spawn effects and
    // note down which entities were hit so we can damage them later
    entity o = this;
    while (1)
    {
        if (CS(this).antilag_debug)
            WarpZone_traceline_antilag (this, start, end, false, o, CS(this).antilag_debug);
        else
            WarpZone_traceline_antilag (this, start, end, false, o, ANTILAG_LATENCY(this));
        if (o && WarpZone_trace_firstzone)
        {
            o = NULL;
            continue;
        }
 
        if (trace_ent.solid == SOLID_BSP || trace_ent.solid == SOLID_SLIDEBOX)
            Damage_DamageInfo(trace_endpos, bdamage, 0, 0, force, deathtype, trace_ent.species, this);
 
        // if it is NULL we can't hurt it so stop now
        if (trace_ent == NULL || trace_fraction == 1)
            break;
 
        if (headshot_notify && !headshot && Headshot(trace_ent, this, start, end))
            headshot = true;
 
        // make the entity non-solid so we can hit the next one
        IL_PUSH(g_railgunhit, trace_ent);
        trace_ent.railgunhit = true;
        trace_ent.railgunhitloc = end;
        trace_ent.railgunhitsolidbackup = trace_ent.solid;
        trace_ent.railgundistance = vlen(WarpZone_UnTransformOrigin(WarpZone_trace_transform, trace_endpos) - start);
        trace_ent.railgunforce = WarpZone_TransformVelocity(WarpZone_trace_transform, force);
 
        // stop if this is a wall
        if (trace_ent.solid == SOLID_BSP)
            break;
 
        // make the entity non-solid
        trace_ent.solid = SOLID_NOT;
    }
 
    vector endpoint = trace_endpos;
    entity endent = trace_ent;
    float endq3surfaceflags = trace_dphitq3surfaceflags;
 
    // find all the entities the railgun hit and restore their solid state
    IL_EACH(g_railgunhit, it.railgunhit, it.solid = it.railgunhitsolidbackup);
 
    // Find all players the beam passed close by (even those hit)
    float length = vlen(endpoint - start);
    entity pseudoprojectile = NULL;
    FOREACH_CLIENT(IS_REAL_CLIENT(it) && it != this,
    {
        // not when spectating the shooter
        if (IS_SPEC(it) && it.enemy == this)
            continue;
 
        // nearest point on the beam
        vector beampos = start + dir * bound(0, (it.origin - start) * dir, length);
 
        if (!pseudoprojectile)
            pseudoprojectile = new(pseudoprojectile); // we need this so the sound uses the "entchannel4" volume
 
        msg_entity = it;
        // we want this to be very loud when close but fall off quickly -> using max base volume and high attenuation
        soundtoat(MSG_ONE, pseudoprojectile, beampos, CH_SHOTS, SND(NEXWHOOSH_RANDOM()), VOL_BASEVOICE, ATTEN_IDLE, 0);
    });
    if (pseudoprojectile)
        delete(pseudoprojectile);
 
    // find all the entities the railgun hit and hurt them
    IL_EACH(g_railgunhit, it.railgunhit,
    {
        // removal from the list is handled below
 
        float foff = ExponentialFalloff(mindist, maxdist, halflifedist, it.railgundistance);
        float ffs = ExponentialFalloff(mindist, maxdist, forcehalflifedist, it.railgundistance);
 
        if (accuracy_isgooddamage(this, it))
            totaldmg += bdamage * foff;
 
        // apply the damage
        if (it.takedamage)
            Damage(it, this, this, bdamage * foff, deathtype, weaponentity, it.railgunhitloc, it.railgunforce * ffs);
 
        it.railgunhitloc = '0 0 0';
        it.railgunhitsolidbackup = SOLID_NOT;
        it.railgunhit = false;
        it.railgundistance = 0;
    });
 
    IL_CLEAR(g_railgunhit);
 
    if (headshot)
        Send_Notification(NOTIF_ONE, this, MSG_ANNCE, ANNCE_HEADSHOT);
 
    // calculate hits and fired shots for hitscan
    if (this.(weaponentity))
        accuracy_add(this, this.(weaponentity).m_weapon, 0, min(bdamage, totaldmg), 0); // add to hit
 
    trace_endpos = endpoint;
    trace_ent = endent;
    trace_dphitq3surfaceflags = endq3surfaceflags;
}

References accuracy_add(), antilag_debug, ANTILAG_LATENCY, ATTEN_IDLE, bound(), CH_SHOTS, CS(), Damage_DamageInfo(), dir, entity(), FOREACH_CLIENT, g_railgunhit, Headshot(), IL_CLEAR, IL_EACH, IL_PUSH(), IS_REAL_CLIENT, IS_SPEC, m_weapon, min(), msg_entity, MSG_ONE, normalize(), NULL, Send_Notification(), SND, SOLID_BSP, SOLID_NOT, SOLID_SLIDEBOX, soundtoat(), trace_dphitq3surfaceflags, trace_endpos, trace_ent, trace_fraction, vector, vlen(), VOL_BASEVOICE, WarpZone_trace_firstzone, WarpZone_trace_transform, WarpZone_traceline_antilag(), WarpZone_TransformVelocity(), and WarpZone_UnTransformOrigin().

Referenced by W_OverkillNex_Attack(), W_Vaporizer_Attack(), and W_Vortex_Attack().

Headshot()

bool Headshot	(	entity	targ,
		entity	ent,
		vector	start,
		vector	end )

Definition at line 220 of file tracing.qc.

{
    if (!IS_PLAYER(targ) || IS_DEAD(targ) || STAT(FROZEN, targ) || !targ.takedamage)
        return false;
    vector org = targ.origin; // antilag is already taken into consideration //antilag_takebackorigin(targ, CS(targ), time - ANTILAG_LATENCY(ent));
    vector headmins = org + '0.6 0 0' * targ.mins_x + '0 0.6 0' * targ.mins_y + '0 0 1' * (1.3 * targ.view_ofs_z - 0.3 * targ.maxs_z);
    vector headmaxs = org + '0.6 0 0' * targ.maxs_x + '0 0.6 0' * targ.maxs_y + '0 0 1' * targ.maxs_z;
 
    return trace_hits_box(start, end, headmins, headmaxs);
}

References entity(), IS_DEAD, IS_PLAYER, org, STAT, trace_hits_box(), and vector.

Referenced by fireBullet_falloff(), and FireRailgunBullet().

W_CalculateProjectileVelocity()

vector W_CalculateProjectileVelocity	(	entity	actor,
		vector	pvelocity,
		vector	mvelocity,
		float	forceAbsolute )

Definition at line 174 of file tracing.qc.

{
    mvelocity *= W_WeaponSpeedFactor(actor);
 
    vector mdirection = normalize(mvelocity);
    float mspeed = vlen(mvelocity);
 
    return get_shotvelocity(pvelocity, mdirection, mspeed, (forceAbsolute ? 0 : autocvar_g_projectiles_newton_style),
        autocvar_g_projectiles_newton_style_2_minfactor, autocvar_g_projectiles_newton_style_2_maxfactor);
}

References autocvar_g_projectiles_newton_style, autocvar_g_projectiles_newton_style_2_maxfactor, autocvar_g_projectiles_newton_style_2_minfactor, entity(), get_shotvelocity(), normalize(), vector, vlen(), and W_WeaponSpeedFactor().

Referenced by ctf_Handle_Throw(), IMPULSE(), kh_Key_DropAll(), kh_Key_DropOne(), powerups_DropItem(), toss_nade(), W_Nexball_Attack(), W_RocketMinsta_Attack(), and W_SetupProjVelocity_Explicit().

W_SetupProjVelocity_Explicit()

void W_SetupProjVelocity_Explicit	(	entity	proj,
		vector	dir,
		vector	upDir,
		float	pSpeed,
		float	pUpSpeed,
		float	pZSpeed,
		float	spread,
		float	forceAbsolute )

Definition at line 185 of file tracing.qc.

{
    if (proj.owner == NULL)
        error("Unowned missile");
 
    dir += upDir * (pUpSpeed / pSpeed);
    dir.z += pZSpeed / pSpeed;
    pSpeed *= vlen(dir);
    dir = normalize(dir);
 
    #if 0
    if (autocvar_g_projectiles_spread_style != mspercallsstyle)
    {
        mspercallsum = mspercallcount = 0;
        mspercallsstyle = autocvar_g_projectiles_spread_style;
    }
    mspercallsum -= gettime(GETTIME_HIRES);
    #endif
 
    dir = W_CalculateSpread(dir, spread, autocvar_g_projectiles_spread_style, false);
 
    #if 0
    mspercallsum += gettime(GETTIME_HIRES);
    ++mspercallcount;
    LOG_INFO("avg: ", ftos(mspercallcount / mspercallsum), " per sec");
    #endif
 
    proj.velocity = W_CalculateProjectileVelocity(proj.owner, proj.owner.velocity, pSpeed * dir, forceAbsolute);
}

References autocvar_g_projectiles_spread_style, dir, entity(), error, ftos(), gettime(), GETTIME_HIRES, LOG_INFO, normalize(), NULL, vector, vlen(), W_CalculateProjectileVelocity(), and W_CalculateSpread().

Referenced by FireGrapplingHook(), M_Golem_Attack_Lightning(), M_Spider_Attack_Web(), W_Blaster_Attack(), W_Crylink_Attack(), W_Crylink_Attack2(), and W_Hagar_Attack2_Load_Release().

W_SetupShot_Dir_ProjectileSize_Range()

void W_SetupShot_Dir_ProjectileSize_Range	(	entity	ent,
		.entity	weaponentity,
		vector	s_forward,
		vector	mi,
		vector	ma,
		float	antilag,
		float	recoil,
		Sound	snd,
		float	chan,
		float	maxdamage,
		float	range,
		int	deathtype )

This function calculates w_shotorg and w_shotdir based on the weapon model offset, trueaim and antilag, and won't put w_shotorg inside a wall.

make sure you call makevectors first (FIXME?)

Definition at line 24 of file tracing.qc.

{
    TC(Sound, snd);
    float nudge = 1; // added to traceline target and subtracted from result  TOOD(divVerent): do we still need this? Doesn't the engine do this now for us?
    float oldsolid = ent.dphitcontentsmask;
    Weapon wep = DEATH_WEAPONOF(deathtype);
    if (!IS_CLIENT(ent))
        antilag = false; // no antilag for non-clients!
    if (IS_PLAYER(ent) && (wep.spawnflags & WEP_FLAG_PENETRATEWALLS))
    {
        // This is the reason rifle, MG, OKMG and other fireBullet weapons don't hit the crosshair when shooting at walls.
        // This is intentional, otherwise if you stand too close to a (glass) wall and attempt to shoot an enemy through it,
        // trueaim will cause the shot to hit the wall exactly but then miss the enemy (unless shooting from eye/center).
        // TODO for fireBullet, find how far the shot will penetrate and aim at that
        //      for fireRailgunbullet, find the farthest target and aim at that
        //      this will avoid issues when another player is passing in front of you when you shoot
        //      (currently such a shot will hit them but then miss the original target)
        ent.dphitcontentsmask = DPCONTENTS_BODY | DPCONTENTS_CORPSE;
    }
    else
        ent.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_CORPSE;
    if (antilag)
        WarpZone_traceline_antilag(NULL, ent.origin + ent.view_ofs, ent.origin + ent.view_ofs + s_forward * range, MOVE_NORMAL, ent, ANTILAG_LATENCY(ent));
        // passing NULL, because we do NOT want it to touch dphitcontentsmask
    else
        WarpZone_TraceLine(ent.origin + ent.view_ofs, ent.origin + ent.view_ofs + s_forward * range, MOVE_NOMONSTERS, ent);
    ent.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_CORPSE;
 
    vector forward = v_forward;
    vector right = v_right;
    vector up = v_up;
    w_shotend = WarpZone_UnTransformOrigin(WarpZone_trace_transform, trace_endpos); // warpzone support
    v_forward = forward;
    v_right = right;
    v_up = up;
 
    // un-adjust trueaim if shotend is too close
    if (vdist(w_shotend - (ent.origin + ent.view_ofs), <, autocvar_g_trueaim_minrange))
        w_shotend = ent.origin + ent.view_ofs + s_forward * autocvar_g_trueaim_minrange;
 
    // track max damage
    if (IS_PLAYER(ent) && accuracy_canbegooddamage(ent))
        accuracy_add(ent, wep, maxdamage, 0, 0); // add to fired
 
    if (IS_PLAYER(ent))
        W_HitPlotAnalysis(ent, wep, forward, right, up);
 
    // read shot origin offset, like g_shootfromcenter
    // set in CL_WeaponEntity_SetModel (not a CSQC exclusive function...)
    vector md = ent.(weaponentity).movedir;
    //print(sprintf("offset of %s: %v\n", ent.(weaponentity).m_weapon.netname, md));
    vector dv = right * -md.y + up * md.z;
 
    w_shotorg = ent.origin + ent.view_ofs;
 
    // move the shotorg sideways and vertically as much as requested if possible
    if (antilag)
    {
        if (CS(ent).antilag_debug)
            tracebox_antilag(ent, w_shotorg, mi, ma, w_shotorg + dv, MOVE_NORMAL, ent, CS(ent).antilag_debug);
        else
            tracebox_antilag(ent, w_shotorg, mi, ma, w_shotorg + dv, MOVE_NORMAL, ent, ANTILAG_LATENCY(ent));
    }
    else
        tracebox(w_shotorg, mi, ma, w_shotorg + dv, MOVE_NORMAL, ent);
    w_shotorg = trace_endpos;
 
    // now move the shotorg forward as much as requested if possible
    if (antilag)
    {
        if (CS(ent).antilag_debug)
            tracebox_antilag(ent, w_shotorg, mi, ma, w_shotorg + forward * (md.x + nudge), MOVE_NORMAL, ent, CS(ent).antilag_debug);
        else
            tracebox_antilag(ent, w_shotorg, mi, ma, w_shotorg + forward * (md.x + nudge), MOVE_NORMAL, ent, ANTILAG_LATENCY(ent));
    }
    else
        tracebox(w_shotorg, mi, ma, w_shotorg + forward * (md.x + nudge), MOVE_NORMAL, ent);
    w_shotorg = trace_endpos - forward * nudge;
 
    //print(sprintf("w_shotorg %v\n\n", w_shotorg - (ent.origin + ent.view_ofs)));
 
    // calculate the shotdir from the chosen shotorg
    if (W_DualWielding(ent))
        w_shotdir = s_forward;
    else
        w_shotdir = normalize(w_shotend - w_shotorg);
 
    //vector prevdir = w_shotdir;
    //vector prevorg = w_shotorg;
    //vector prevend = w_shotend;
 
    if (antilag && !CS_CVAR(ent).cvar_cl_noantilag)
    {
        if (autocvar_g_antilag == 1) // switch to "ghost" if not hitting original
        {
            traceline(w_shotorg, w_shotorg + w_shotdir * range, MOVE_NORMAL, ent);
            if (!trace_ent.takedamage)
            {
                traceline_antilag_force (ent, w_shotorg, w_shotorg + w_shotdir * range, MOVE_NORMAL, ent, ANTILAG_LATENCY(ent));
                if (trace_ent.takedamage && IS_PLAYER(trace_ent))
                {
                    entity e = trace_ent;
                    traceline(w_shotorg, e.origin, MOVE_NORMAL, ent);
                    if (trace_ent == e)
                        w_shotdir = normalize(trace_ent.origin - w_shotorg);
                }
            }
        }
        else if (autocvar_g_antilag == 3) // client side hitscan
        {
            // this part MUST use prydon cursor
            if (CS(ent).cursor_trace_ent             // client was aiming at someone
            &&  CS(ent).cursor_trace_ent != ent      // just to make sure
            &&  CS(ent).cursor_trace_ent.takedamage  // and that person is killable
            && IS_PLAYER(CS(ent).cursor_trace_ent))  // and actually a player
            {
                // verify that the shot would miss without antilag
                // (avoids an issue where guns would always shoot at their origin)
                traceline(w_shotorg, w_shotorg + w_shotdir * range, MOVE_NORMAL, ent);
                if (!trace_ent.takedamage)
                {
                    // verify that the shot would hit if altered
                    traceline(w_shotorg, CS(ent).cursor_trace_ent.origin, MOVE_NORMAL, ent);
                    if (trace_ent == CS(ent).cursor_trace_ent)
                        w_shotdir = normalize(CS(ent).cursor_trace_ent.origin - w_shotorg);
                    else
                        LOG_INFO("antilag fail");
                }
            }
        }
    }
 
    ent.dphitcontentsmask = oldsolid; // restore solid type (generally SOLID_SLIDEBOX)
 
    if (!autocvar_g_norecoil)
        ent.punchangle_x = -recoil;
 
    if (snd != SND_Null)
    {
        sound(ent, chan, snd, (W_DualWielding(ent) ? VOL_BASE * 0.7 : VOL_BASE), ATTN_NORM);
        W_PlayStrengthSound(ent);
    }
 
    // nudge w_shotend so a trace to w_shotend hits
    w_shotend += normalize(w_shotend - w_shotorg) * nudge;
    //if (w_shotend != prevend) printf("SERVER: shotEND differs: %s - %s\n", vtos(w_shotend), vtos(prevend));
    //if (w_shotorg != prevorg) printf("SERVER: shotORG differs: %s - %s\n", vtos(w_shotorg), vtos(prevorg));
    //if (w_shotdir != prevdir) printf("SERVER: shotDIR differs: %s - %s\n", vtos(w_shotdir), vtos(prevdir));
}

References accuracy_add(), accuracy_canbegooddamage(), antilag_debug, ANTILAG_LATENCY, ATTN_NORM, autocvar_g_antilag, autocvar_g_norecoil, autocvar_g_trueaim_minrange, CS(), CS_CVAR, cursor_trace_ent, DEATH_WEAPONOF, DPCONTENTS_BODY, DPCONTENTS_CORPSE, DPCONTENTS_SOLID, entity(), IS_CLIENT, IS_PLAYER, LOG_INFO, MOVE_NOMONSTERS, MOVE_NORMAL, movedir, normalize(), NULL, sound, Weapon::spawnflags, TC, trace_endpos, trace_ent, tracebox_antilag(), traceline_antilag_force(), v_forward, v_right, v_up, vdist, vector, VOL_BASE, W_DualWielding(), W_HitPlotAnalysis(), W_PlayStrengthSound(), w_shotdir, w_shotend, w_shotorg, WarpZone_trace_transform, WarpZone_TraceLine(), WarpZone_traceline_antilag(), WarpZone_UnTransformOrigin(), and WEP_FLAG_PENETRATEWALLS.

WarpZone_crosshair_trace()

void WarpZone_crosshair_trace

(

entity

pl

)

Definition at line 578 of file tracing.qc.

{
    vector trace_start = CS(pl).cursor_trace_start;
    WarpZone_traceline_antilag(pl, trace_start, trace_start + normalize(CS(pl).cursor_trace_endpos - trace_start) * max_shot_distance, MOVE_NORMAL, pl, ANTILAG_LATENCY(pl));
}

References ANTILAG_LATENCY, CS(), cursor_trace_endpos, entity(), max_shot_distance, MOVE_NORMAL, normalize(), vector, and WarpZone_traceline_antilag().

Referenced by crosshair_trace_plusvisibletriggers__is_wz(), crosshair_trace_waypoints(), IMPULSE(), and IMPULSE().

WarpZone_crosshair_trace_plusvisibletriggers()

void WarpZone_crosshair_trace_plusvisibletriggers

(

entity

pl

)

Definition at line 552 of file tracing.qc.

{
    crosshair_trace_plusvisibletriggers__is_wz(pl, true);
}

References crosshair_trace_plusvisibletriggers__is_wz(), and entity().

Referenced by formatmessage(), IMPULSE(), and show_entnum().