toss.qc

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#include "toss.qh"

void _Movetype_Physics_Toss(entity this, float dt)  // SV_Physics_Toss
{
    if(IS_ONGROUND(this))
    {
        if(this.velocity.z >= (1 / 32) && UPWARD_VELOCITY_CLEARS_ONGROUND(this))
        {
            // don't stick to ground if onground and moving upward
            UNSET_ONGROUND(this);
        }
        else if(!this.groundentity || !GAMEPLAYFIX_NOAIRBORNCORPSE(this))
        {
            return;
        }
        else if(this.move_suspendedinair && wasfreed(this.groundentity))
        {
            this.groundentity = NULL;
            if(NOAIRBORNCORPSE_ALLOWSUSPENDED(this))
                return;
        }
        else if(boxesoverlap(this.absmin, this.absmax, this.groundentity.absmin, this.groundentity.absmax))
        {
            // don't slide if still touching the groundentity
            return;
        }
    }

    this.move_suspendedinair = false;

    _Movetype_CheckVelocity(this);

    if(this.move_movetype == MOVETYPE_BOUNCE || this.move_movetype == MOVETYPE_TOSS)
    {
        this.move_didgravity = true;
        this.velocity_z -= (GAMEPLAYFIX_GRAVITYUNAFFECTEDBYTICRATE ? 0.5 : 1)
            * dt
            * ((this.gravity) ? this.gravity : 1)
            * PHYS_GRAVITY(this);
    }

    /*if (this.move_movetype == MOVETYPE_BOUNCE || this.move_movetype == MOVETYPE_TOSS)
    {
        this.move_didgravity = true;
        this.velocity_z -= (((this.gravity) ? this.gravity : 1) * PHYS_GRAVITY(this) * dt);
    }*/

    this.angles = this.angles + this.avelocity * dt;

    float movetime = dt;
    for (int bump = 0; bump < MAX_CLIP_PLANES && movetime > 0; bump++)
    {
        vector move = this.velocity * movetime;
        if(!_Movetype_PushEntity(this, move, true, true))
            return;
        if (wasfreed(this))
            return;

        // NOTE: this is bmodelstartsolid in the engine
        if (trace_startsolid && trace_ent.solid == SOLID_BSP)
        {
            // QC lacks pointers so we must save the old trace values
            float oldtrace_fraction = trace_fraction;
            vector oldtrace_plane_normal = trace_plane_normal;
            entity oldtrace_ent = trace_ent;
            _Movetype_UnstickEntity(this);
            trace_fraction = oldtrace_fraction;
            trace_plane_normal = oldtrace_plane_normal;
            trace_ent = oldtrace_ent;
            if(!_Movetype_PushEntity(this, move, true, true))
                return;
            if (wasfreed(this))
                return;
        }

        if (trace_fraction == 1)
            break;

        movetime *= 1 - min(1, trace_fraction);

        if (this.move_movetype == MOVETYPE_BOUNCEMISSILE)
        {
            float bouncefac = (!this.bouncefactor) ? 1.0 : this.bouncefactor;
            this.velocity = _Movetype_ClipVelocity(this.velocity, trace_plane_normal, 1 + bouncefac);
            UNSET_ONGROUND(this);
            if(!GAMEPLAYFIX_SLIDEMOVEPROJECTILES(this))
                movetime = 0;
        }
        else if (this.move_movetype == MOVETYPE_BOUNCE)
        {
            float bouncefac = (!this.bouncefactor) ? 0.5 : this.bouncefactor;
            float bstop = (!this.bouncestop) ? (60 / 800) : this.bouncestop;
            float grav = ((this.gravity) ? this.gravity : 1);

            this.velocity = _Movetype_ClipVelocity(this.velocity, trace_plane_normal, 1 + bouncefac);

            float d = trace_plane_normal * this.velocity;
            if(!GAMEPLAYFIX_GRENADEBOUNCESLOPES(this))
                d = this.velocity.z;
            if (trace_plane_normal.z > 0.7 && d < PHYS_GRAVITY(this) * bstop * grav)
            {
                SET_ONGROUND(this);
                this.groundentity = trace_ent;
                this.velocity = '0 0 0';
                this.avelocity = '0 0 0';
                movetime = 0;
            }
            else
            {
                UNSET_ONGROUND(this);
                if(!GAMEPLAYFIX_SLIDEMOVEPROJECTILES(this))
                    movetime = 0;
            }
        }
        else
        {
            this.velocity = _Movetype_ClipVelocity(this.velocity, trace_plane_normal, 1.0);
            if (trace_plane_normal.z > 0.7)
            {
                SET_ONGROUND(this);
                this.groundentity = trace_ent;
                if (trace_ent.solid == SOLID_BSP)
                    this.move_suspendedinair = true;
                this.velocity = '0 0 0';
                this.avelocity = '0 0 0';
                movetime = 0;
            }
            else
            {
                UNSET_ONGROUND(this);
                if(!GAMEPLAYFIX_SLIDEMOVEPROJECTILES(this))
                    movetime = 0;
            }
        }

        // DP revision 8905 (just, WHY...)
        //if (this.move_movetype == MOVETYPE_BOUNCEMISSILE)
            //break;

        // DP revision 8918 (WHY...)
        //if (IS_ONGROUND(this))
            //break;
    }

    if (GAMEPLAYFIX_GRAVITYUNAFFECTEDBYTICRATE && this.move_didgravity > 0 && !IS_ONGROUND(this))
        this.velocity_z -= 0.5 * dt * ((this.gravity) ? this.gravity : 1) * PHYS_GRAVITY(this);

    _Movetype_CheckWaterTransition(this);
}