viewloc.qc

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#include "viewloc.qh"
#if defined(CSQC)
#elif defined(MENUQC)
#elif defined(SVQC)
    #include <lib/warpzone/util_server.qh>
    #include <common/mapobjects/triggers.qh>
    #include <common/weapons/_all.qh>
    #include <common/stats.qh>
#endif

REGISTER_NET_LINKED(ENT_CLIENT_VIEWLOC)
REGISTER_NET_LINKED(ENT_CLIENT_VIEWLOC_TRIGGER)

#ifdef SVQC

void viewloc_think(entity this)
{
    // we abuse this method, rather than using normal .touch, because touch isn't reliable with multiple clients inside the same trigger, and can't "untouch" entities

    // set myself as current viewloc where possible
#if 1
    FOREACH_CLIENT(IS_PLAYER(it) && it.viewloc == this,
    {
        it.viewloc = NULL;
    });
#else
    entity e;
    for(e = NULL; (e = findentity(e, viewloc, this)); )
        e.viewloc = NULL;
#endif

#if 1
    FOREACH_CLIENT(!it.viewloc && IS_PLAYER(it),
    {
        vector emin = it.absmin;
        vector emax = it.absmax;
        if(this.solid == SOLID_BSP)
        {
            emin -= '1 1 1';
            emax += '1 1 1';
        }
        if(boxesoverlap(emin, emax, this.absmin, this.absmax)) // quick
        {
            if(WarpZoneLib_BoxTouchesBrush(emin, emax, this, it)) // accurate
                it.viewloc = this;
        }
    });
#else

        for(e = findradius((this.absmin + this.absmax) * 0.5, vlen(this.absmax - this.absmin) * 0.5 + 1); e; e = e.chain)
            if(!e.viewloc)
                if(IS_PLAYER(e)) // should we support non-player entities with this?
                //if(!IS_DEAD(e)) // death view is handled separately, we can't override this just yet
                {
                    vector emin = e.absmin;
                    vector emax = e.absmax;
                    if(this.solid == SOLID_BSP)
                    {
                        emin -= '1 1 1';
                        emax += '1 1 1';
                    }
                    if(boxesoverlap(emin, emax, this.absmin, this.absmax)) // quick
                        if(WarpZoneLib_BoxTouchesBrush(emin, emax, this, e)) // accurate
                            e.viewloc = this;
                }
#endif

    this.nextthink = time;
}

bool trigger_viewloc_send(entity this, entity to, int sf)
{
    // CSQC doesn't need to know our origin (yet), as we're only available for referencing
    WriteHeader(MSG_ENTITY, ENT_CLIENT_VIEWLOC_TRIGGER);

    WriteByte(MSG_ENTITY, this.spawnflags);

    WriteEntity(MSG_ENTITY, this.enemy);
    WriteEntity(MSG_ENTITY, this.goalentity);

    WriteVector(MSG_ENTITY, this.origin);

    return true;
}

void viewloc_init(entity this)
{
    entity e;
    for(e = NULL; (e = find(e, targetname, this.target)); )
        if(e.classname == "target_viewlocation_start")
        {
            this.enemy = e;
            break;
        }
    for(e = NULL; (e = find(e, targetname, this.target2)); )
        if(e.classname == "target_viewlocation_end")
        {
            this.goalentity = e;
            break;
        }

    if(!this.enemy) { LOG_INFO("^1FAIL!"); delete(this); return; }

    if(!this.goalentity)
        this.goalentity = this.enemy; // make them match so CSQC knows what to do

    Net_LinkEntity(this, false, 0, trigger_viewloc_send);

    setthink(this, viewloc_think);
    this.nextthink = time;
}

spawnfunc(trigger_viewlocation)
{
    // we won't check target2 here yet, as it may not even need to exist
    if(this.target == "") { LOG_INFO("^1FAIL!"); delete(this); return; }

    EXACTTRIGGER_INIT;
    InitializeEntity(this, viewloc_init, INITPRIO_FINDTARGET);
}

bool viewloc_send(entity this, entity to, int sf)
{
    WriteHeader(MSG_ENTITY, ENT_CLIENT_VIEWLOC);

    WriteByte(MSG_ENTITY, this.cnt);

    WriteVector(MSG_ENTITY, this.origin);

    WriteAngleVector(MSG_ENTITY, this.angles);

    return true;
}

.float angle;
void viewloc_link(entity this)
{
    if(this.angle)
        this.angles_y = this.angle;
    Net_LinkEntity(this, false, 0, viewloc_send);
}

spawnfunc(target_viewlocation_start)
{
    this.cnt = 1;
    viewloc_link(this);
}
spawnfunc(target_viewlocation_end)
{
    this.cnt = 2;
    viewloc_link(this);
}

// compatibility
spawnfunc(target_viewlocation)
{
    spawnfunc_target_viewlocation_start(this);
}

#elif defined(CSQC)

void trigger_viewloc_updatelink(entity this)
{
    this.enemy = findfloat(NULL, entnum, this.cnt);
    this.goalentity = findfloat(NULL, entnum, this.count);
}

NET_HANDLE(ENT_CLIENT_VIEWLOC_TRIGGER, bool isnew)
{
    this.spawnflags = ReadByte();

    float point1 = ReadShort();
    float point2 = ReadShort();

    this.enemy = findfloat(NULL, entnum, point1);
    this.goalentity = findfloat(NULL, entnum, point2);

    this.origin = ReadVector();

    return = true;

    setorigin(this, this.origin);

    this.cnt = point1;
    this.count = point2;

    setthink(this, trigger_viewloc_updatelink);
    this.nextthink = time + 1; // we need to delay this or else

    this.drawmask = MASK_NORMAL; // not so concerned, but better keep it alive
}

NET_HANDLE(ENT_CLIENT_VIEWLOC, bool isnew)
{
    this.cnt = ReadByte();

    this.origin = ReadVector();
    setorigin(this, this.origin);

    this.movedir = ReadAngleVector();

    return = true;

    this.classname = ((this.cnt == 2) ? "target_viewlocation_end" : "target_viewlocation_start");
    this.drawmask = MASK_NORMAL; // don't cull it
}

#endif