util.qc

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#include "util.qh"

#ifdef SVQC

/*
* Update this.tur_shotorg by getting up2date bone info
* NOTICE this func overwrites the global v_forward, v_right and v_up vectors.
*/
float turret_tag_fire_update(entity this)
{
    if(!this.tur_head)
    {
        LOG_DEBUG("Call to turret_tag_fire_update with this.tur_head missing!");
        this.tur_shotorg = '0 0 0';
        return false;
    }

    this.tur_shotorg = gettaginfo(this.tur_head, gettagindex(this.tur_head, "tag_fire"));
    v_forward = normalize(v_forward);

    return true;
}

/*
* Railgun-like beam, but has thickness and suppots slowing of target
*/
void FireImoBeam(entity this, vector start, vector end, vector smin, vector smax,
                  float bforce, float f_dmg, float f_velfactor, int deathtype)

{
    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 = end + dir;

    // trace multiple times until we hit a wall, each obstacle will be made unsolid.
    // note down which entities were hit so we can damage them later
    entity o = this;
    while (1)
    {
        if(CS(this).antilag_debug)
            WarpZone_tracebox_antilag (this, start, smin, smax, end, false, o, CS(this).antilag_debug);
        else
            WarpZone_tracebox_antilag (this, start, smin, smax, end, false, o, ANTILAG_LATENCY(this));
        if(o && WarpZone_trace_firstzone)
        {
            o = NULL;
            continue;
        }

        // if it is NULL we can't hurt it so stop now
        if (trace_ent == NULL || trace_fraction == 1)
            break;

        // 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;
    });

    /*
        Unlike the railgun, this does NOT check for targets close by
    */

    // find all the entities the railgun hit and hurt them
    IL_EACH(g_railgunhit, it.railgunhit,
    {
        // removal from the list is handled below
        /* no falloff applied */

        // apply the damage
        if (it.takedamage)
        {
            Damage(it, this, this, f_dmg, deathtype, DMG_NOWEP, it.railgunhitloc, it.railgunforce);
            // slow down the target
            it.velocity = it.velocity * f_velfactor;
        }

        it.railgunhitloc = '0 0 0';
        it.railgunhitsolidbackup = SOLID_NOT;
        it.railgunhit = false;
        it.railgundistance = 0;
    });

    IL_CLEAR(g_railgunhit);

    /* no accuracy, as a weapon entity is not attached */

    trace_endpos = endpoint;
    trace_ent = endent;
    trace_dphitq3surfaceflags = endq3surfaceflags;
}

#ifdef TURRET_DEBUG
void marker_think(entity this)
{
    if(this.cnt)
    if(this.cnt < time)
    {
        setthink(this, SUB_Remove);
        this.nextthink = time;
        return;
    }

    this.frame += 1;
    if(this.frame > 29)
        this.frame = 0;

    this.nextthink = time;
}

void mark_error(vector where,float lifetime)
{
    entity err = new(error_marker);
    setmodel(err, MDL_MARKER);
    setorigin(err, where);
    set_movetype(err, MOVETYPE_NONE);
    setthink(err, marker_think);
    err.nextthink = time;
    err.skin = 0;
    if(lifetime)
        err.cnt = lifetime + time;
}

void mark_info(vector where,float lifetime)
{
    entity err = new(info_marker);
    setmodel(err, MDL_MARKER);
    setorigin(err, where);
    set_movetype(err, MOVETYPE_NONE);
    setthink(err, marker_think);
    err.nextthink = time;
    err.skin = 1;
    if(lifetime)
        err.cnt = lifetime + time;
}

entity mark_misc(vector where,float lifetime)
{
    entity err = new(mark_misc);
    setmodel(err, MDL_MARKER);
    setorigin(err, where);
    set_movetype(err, MOVETYPE_NONE);
    setthink(err, marker_think);
    err.nextthink = time;
    err.skin = 3;
    if(lifetime)
        err.cnt = lifetime + time;
    return err;
}

MODEL(TUR_C512, "models/turrets/c512.md3");

/*
* Paint a v_color colord circle on target onwho
* that fades away over f_time
*/
void paint_target(entity onwho, float f_size, vector v_color, float f_time)
{
    entity e = spawn();
    setmodel(e, MDL_TUR_C512);
    e.scale = (f_size/512);
    //setsize(e, '0 0 0', '0 0 0');
    //setattachment(e,onwho,"");
    setorigin(e, onwho.origin + '0 0 1');
    e.alpha = 0.15;
    set_movetype(e, MOVETYPE_FLY);

    e.velocity = (v_color * 32); // + '0 0 1' * 64;

    e.colormod = v_color;
    SUB_SetFade(e,time,f_time);
}

void paint_target2(entity onwho, float f_size, vector v_color, float f_time)
{
    entity e = spawn();
    setmodel(e, MDL_TUR_C512);
    e.scale = (f_size/512);
    setsize(e, '0 0 0', '0 0 0');

    setorigin(e, onwho.origin + '0 0 1');
    e.alpha = 0.15;
    set_movetype(e, MOVETYPE_FLY);

    e.velocity = (v_color * 32); // + '0 0 1' * 64;
    e.avelocity_x = -128;

    e.colormod = v_color;
    SUB_SetFade(e,time,f_time);
}

void paint_target3(vector where, float f_size, vector v_color, float f_time)
{
    entity e = spawn();
    setmodel(e, MDL_TUR_C512);
    e.scale = (f_size/512);
    setsize(e, '0 0 0', '0 0 0');
    setorigin(e, where + '0 0 1');
    set_movetype(e, MOVETYPE_NONE);
    e.velocity = '0 0 0';
    e.colormod = v_color;
    SUB_SetFade(e,time,f_time);
}
#endif

#endif