g_phys.c File Reference

#include "g_local.h"

Go to the source code of this file.

Classes
struct	pushed_t

Macros
#define	STOP_EPSILON   0.1
#define	MAX_CLIP_PLANES   5
#define	sv_stopspeed   100
#define	sv_friction   6
#define	sv_waterfriction   1

Functions
edict_t *	SV_TestEntityPosition (edict_t *ent)
void	SV_CheckVelocity (edict_t *ent)
qboolean	SV_RunThink (edict_t *ent)
void	SV_Impact (edict_t *e1, trace_t *trace)
int	ClipVelocity (vec3_t in, vec3_t normal, vec3_t out, float overbounce)
int	SV_FlyMove (edict_t *ent, float time, int mask)
void	SV_AddGravity (edict_t *ent)
trace_t	SV_PushEntity (edict_t *ent, vec3_t push)
qboolean	SV_Push (edict_t *pusher, vec3_t move, vec3_t amove)
void	SV_Physics_Pusher (edict_t *ent)
void	SV_Physics_None (edict_t *ent)
void	SV_Physics_Noclip (edict_t *ent)
void	SV_Physics_Toss (edict_t *ent)
void	SV_AddRotationalFriction (edict_t *ent)
void	SV_Physics_Step (edict_t *ent)
void	G_RunEntity (edict_t *ent)

Variables
pushed_t	pushed [MAX_EDICTS]
pushed_t *	pushed_p
edict_t *	obstacle

Macro Definition Documentation

MAX_CLIP_PLANES

#define MAX_CLIP_PLANES   5

Definition at line 182 of file g_phys.c.

STOP_EPSILON

#define STOP_EPSILON   0.1

Definition at line 143 of file g_phys.c.

sv_friction

#define sv_friction   6

Definition at line 788 of file g_phys.c.

sv_stopspeed

#define sv_stopspeed   100

Definition at line 787 of file g_phys.c.

sv_waterfriction

#define sv_waterfriction   1

Definition at line 789 of file g_phys.c.

Function Documentation

ClipVelocity()

int ClipVelocity	(	vec3_t	in,
		vec3_t	normal,
		vec3_t	out,
		float	overbounce
	)

Definition at line 145 of file g_phys.c.

{
    float   backoff;
    float   change;
    int     i, blocked;
    
    blocked = 0;
    if (normal[2] > 0)
        blocked |= 1;       // floor
    if (!normal[2])
        blocked |= 2;       // step
    
    backoff = DotProduct (in, normal) * overbounce;
 
    for (i=0 ; i<3 ; i++)
    {
        change = normal[i]*backoff;
        out[i] = in[i] - change;
        if (out[i] > -STOP_EPSILON && out[i] < STOP_EPSILON)
            out[i] = 0;
    }
 
    return blocked;
}

Referenced by SV_FlyMove(), and SV_Physics_Toss().

G_RunEntity()

void G_RunEntity

(

edict_t *

ent

)

Definition at line 932 of file g_phys.c.

{
    if (ent->prethink)
        ent->prethink (ent);
 
    switch ( (int)ent->movetype)
    {
    case MOVETYPE_PUSH:
    case MOVETYPE_STOP:
        SV_Physics_Pusher (ent);
        break;
    case MOVETYPE_NONE:
        SV_Physics_None (ent);
        break;
    case MOVETYPE_NOCLIP:
        SV_Physics_Noclip (ent);
        break;
    case MOVETYPE_STEP:
        SV_Physics_Step (ent);
        break;
    case MOVETYPE_TOSS:
    case MOVETYPE_BOUNCE:
    case MOVETYPE_FLY:
    case MOVETYPE_FLYMISSILE:
        SV_Physics_Toss (ent);
        break;
    default:
        gi.error ("SV_Physics: bad movetype %i", (int)ent->movetype);           
    }
}

Referenced by G_RunFrame().

SV_AddGravity()

void SV_AddGravity

(

edict_t *

ent

)

Definition at line 322 of file g_phys.c.

{
    ent->velocity[2] -= ent->gravity * sv_gravity->value * FRAMETIME;
}

Referenced by SV_Physics_Step(), and SV_Physics_Toss().

SV_AddRotationalFriction()

void SV_AddRotationalFriction

(

edict_t *

ent

)

Definition at line 791 of file g_phys.c.

{
    int     n;
    float   adjustment;
 
    VectorMA (ent->s.angles, FRAMETIME, ent->avelocity, ent->s.angles);
    adjustment = FRAMETIME * sv_stopspeed * sv_friction;
    for (n = 0; n < 3; n++)
    {
        if (ent->avelocity[n] > 0)
        {
            ent->avelocity[n] -= adjustment;
            if (ent->avelocity[n] < 0)
                ent->avelocity[n] = 0;
        }
        else
        {
            ent->avelocity[n] += adjustment;
            if (ent->avelocity[n] > 0)
                ent->avelocity[n] = 0;
        }
    }
}

Referenced by SV_Physics_Step().

SV_CheckVelocity()

void SV_CheckVelocity

(

edict_t *

ent

)

Definition at line 72 of file g_phys.c.

{
    int     i;
 
//
// bound velocity
//
    for (i=0 ; i<3 ; i++)
    {
        if (ent->velocity[i] > sv_maxvelocity->value)
            ent->velocity[i] = sv_maxvelocity->value;
        else if (ent->velocity[i] < -sv_maxvelocity->value)
            ent->velocity[i] = -sv_maxvelocity->value;
    }
}

Referenced by SV_Physics_Step(), and SV_Physics_Toss().

SV_FlyMove()

int SV_FlyMove	(	edict_t *	ent,
		float	time,
		int	mask
	)

Definition at line 183 of file g_phys.c.

{
    edict_t     *hit;
    int         bumpcount, numbumps;
    vec3_t      dir;
    float       d;
    int         numplanes;
    vec3_t      planes[MAX_CLIP_PLANES];
    vec3_t      primal_velocity, original_velocity, new_velocity;
    int         i, j;
    trace_t     trace;
    vec3_t      end;
    float       time_left;
    int         blocked;
    
    numbumps = 4;
    
    blocked = 0;
    VectorCopy (ent->velocity, original_velocity);
    VectorCopy (ent->velocity, primal_velocity);
    numplanes = 0;
    
    time_left = time;
 
    ent->groundentity = NULL;
    for (bumpcount=0 ; bumpcount<numbumps ; bumpcount++)
    {
        for (i=0 ; i<3 ; i++)
            end[i] = ent->s.origin[i] + time_left * ent->velocity[i];
 
        trace = gi.trace (ent->s.origin, ent->mins, ent->maxs, end, ent, mask);
 
        if (trace.allsolid)
        {   // entity is trapped in another solid
            VectorCopy (vec3_origin, ent->velocity);
            return 3;
        }
 
        if (trace.fraction > 0)
        {   // actually covered some distance
            VectorCopy (trace.endpos, ent->s.origin);
            VectorCopy (ent->velocity, original_velocity);
            numplanes = 0;
        }
 
        if (trace.fraction == 1)
             break;     // moved the entire distance
 
        hit = trace.ent;
 
        if (trace.plane.normal[2] > 0.7)
        {
            blocked |= 1;       // floor
            if ( hit->solid == SOLID_BSP)
            {
                ent->groundentity = hit;
                ent->groundentity_linkcount = hit->linkcount;
            }
        }
        if (!trace.plane.normal[2])
        {
            blocked |= 2;       // step
        }
 
//
// run the impact function
//
        SV_Impact (ent, &trace);
        if (!ent->inuse)
            break;      // removed by the impact function
 
        
        time_left -= time_left * trace.fraction;
        
    // cliped to another plane
        if (numplanes >= MAX_CLIP_PLANES)
        {   // this shouldn't really happen
            VectorCopy (vec3_origin, ent->velocity);
            return 3;
        }
 
        VectorCopy (trace.plane.normal, planes[numplanes]);
        numplanes++;
 
//
// modify original_velocity so it parallels all of the clip planes
//
        for (i=0 ; i<numplanes ; i++)
        {
            ClipVelocity (original_velocity, planes[i], new_velocity, 1);
 
            for (j=0 ; j<numplanes ; j++)
                if ((j != i) && !VectorCompare (planes[i], planes[j]))
                {
                    if (DotProduct (new_velocity, planes[j]) < 0)
                        break;  // not ok
                }
            if (j == numplanes)
                break;
        }
        
        if (i != numplanes)
        {   // go along this plane
            VectorCopy (new_velocity, ent->velocity);
        }
        else
        {   // go along the crease
            if (numplanes != 2)
            {
//              gi.dprintf ("clip velocity, numplanes == %i\n",numplanes);
                VectorCopy (vec3_origin, ent->velocity);
                return 7;
            }
            CrossProduct (planes[0], planes[1], dir);
            d = DotProduct (dir, ent->velocity);
            VectorScale (dir, d, ent->velocity);
        }
 
//
// if original velocity is against the original velocity, stop dead
// to avoid tiny occilations in sloping corners
//
        if (DotProduct (ent->velocity, primal_velocity) <= 0)
        {
            VectorCopy (vec3_origin, ent->velocity);
            return blocked;
        }
    }
 
    return blocked;
}

Referenced by SV_Physics_Step().

SV_Impact()

void SV_Impact	(	edict_t *	e1,
		trace_t *	trace
	)

Definition at line 120 of file g_phys.c.

{
    edict_t     *e2;
//  cplane_t    backplane;
 
    e2 = trace->ent;
 
    if (e1->touch && e1->solid != SOLID_NOT)
        e1->touch (e1, e2, &trace->plane, trace->surface);
    
    if (e2->touch && e2->solid != SOLID_NOT)
        e2->touch (e2, e1, NULL, NULL);
}

Referenced by SV_FlyMove(), and SV_PushEntity().

SV_Physics_Noclip()

void SV_Physics_Noclip

(

edict_t *

ent

)

Definition at line 643 of file g_phys.c.

{
// regular thinking
    if (!SV_RunThink (ent))
        return;
    
    VectorMA (ent->s.angles, FRAMETIME, ent->avelocity, ent->s.angles);
    VectorMA (ent->s.origin, FRAMETIME, ent->velocity, ent->s.origin);
 
    gi.linkentity (ent);
}

Referenced by G_RunEntity().

SV_Physics_None()

void SV_Physics_None

(

edict_t *

ent

)

Definition at line 630 of file g_phys.c.

{
// regular thinking
    SV_RunThink (ent);
}

Referenced by G_RunEntity().

SV_Physics_Pusher()

void SV_Physics_Pusher

(

edict_t *

ent

)

Definition at line 562 of file g_phys.c.

{
    vec3_t      move, amove;
    edict_t     *part, *mv;
 
    // if not a team captain, so movement will be handled elsewhere
    if ( ent->flags & FL_TEAMSLAVE)
        return;
 
    // make sure all team slaves can move before commiting
    // any moves or calling any think functions
    // if the move is blocked, all moved objects will be backed out
//retry:
    pushed_p = pushed;
    for (part = ent ; part ; part=part->teamchain)
    {
        if (part->velocity[0] || part->velocity[1] || part->velocity[2] ||
            part->avelocity[0] || part->avelocity[1] || part->avelocity[2]
            )
        {   // object is moving
            VectorScale (part->velocity, FRAMETIME, move);
            VectorScale (part->avelocity, FRAMETIME, amove);
 
            if (!SV_Push (part, move, amove))
                break;  // move was blocked
        }
    }
    if (pushed_p > &pushed[MAX_EDICTS])
        gi.error (ERR_FATAL, "pushed_p > &pushed[MAX_EDICTS], memory corrupted");
 
    if (part)
    {
        // the move failed, bump all nextthink times and back out moves
        for (mv = ent ; mv ; mv=mv->teamchain)
        {
            if (mv->nextthink > 0)
                mv->nextthink += FRAMETIME;
        }
 
        // if the pusher has a "blocked" function, call it
        // otherwise, just stay in place until the obstacle is gone
        if (part->blocked)
            part->blocked (part, obstacle);
#if 0
        // if the pushed entity went away and the pusher is still there
        if (!obstacle->inuse && part->inuse)
            goto retry;
#endif
    }
    else
    {
        // the move succeeded, so call all think functions
        for (part = ent ; part ; part=part->teamchain)
        {
            SV_RunThink (part);
        }
    }
}

Referenced by G_RunEntity().

SV_Physics_Step()

void SV_Physics_Step

(

edict_t *

ent

)

Definition at line 815 of file g_phys.c.

{
    qboolean    wasonground;
    qboolean    hitsound = false;
    float       *vel;
    float       speed, newspeed, control;
    float       friction;
    edict_t     *groundentity;
    int         mask;
 
    // airborn monsters should always check for ground
    if (!ent->groundentity)
        M_CheckGround (ent);
 
    groundentity = ent->groundentity;
 
    SV_CheckVelocity (ent);
 
    if (groundentity)
        wasonground = true;
    else
        wasonground = false;
        
    if (ent->avelocity[0] || ent->avelocity[1] || ent->avelocity[2])
        SV_AddRotationalFriction (ent);
 
    // add gravity except:
    //   flying monsters
    //   swimming monsters who are in the water
    if (! wasonground)
        if (!(ent->flags & FL_FLY))
            if (!((ent->flags & FL_SWIM) && (ent->waterlevel > 2)))
            {
                if (ent->velocity[2] < sv_gravity->value*-0.1)
                    hitsound = true;
                if (ent->waterlevel == 0)
                    SV_AddGravity (ent);
            }
 
    // friction for flying monsters that have been given vertical velocity
    if ((ent->flags & FL_FLY) && (ent->velocity[2] != 0))
    {
        speed = fabs(ent->velocity[2]);
        control = speed < sv_stopspeed ? sv_stopspeed : speed;
        friction = sv_friction/3;
        newspeed = speed - (FRAMETIME * control * friction);
        if (newspeed < 0)
            newspeed = 0;
        newspeed /= speed;
        ent->velocity[2] *= newspeed;
    }
 
    // friction for flying monsters that have been given vertical velocity
    if ((ent->flags & FL_SWIM) && (ent->velocity[2] != 0))
    {
        speed = fabs(ent->velocity[2]);
        control = speed < sv_stopspeed ? sv_stopspeed : speed;
        newspeed = speed - (FRAMETIME * control * sv_waterfriction * ent->waterlevel);
        if (newspeed < 0)
            newspeed = 0;
        newspeed /= speed;
        ent->velocity[2] *= newspeed;
    }
 
    if (ent->velocity[2] || ent->velocity[1] || ent->velocity[0])
    {
        // apply friction
        // let dead monsters who aren't completely onground slide
        if ((wasonground) || (ent->flags & (FL_SWIM|FL_FLY)))
            if (!(ent->health <= 0.0 && !M_CheckBottom(ent)))
            {
                vel = ent->velocity;
                speed = sqrt(vel[0]*vel[0] +vel[1]*vel[1]);
                if (speed)
                {
                    friction = sv_friction;
 
                    control = speed < sv_stopspeed ? sv_stopspeed : speed;
                    newspeed = speed - FRAMETIME*control*friction;
 
                    if (newspeed < 0)
                        newspeed = 0;
                    newspeed /= speed;
 
                    vel[0] *= newspeed;
                    vel[1] *= newspeed;
                }
            }
 
        if (ent->svflags & SVF_MONSTER)
            mask = MASK_MONSTERSOLID;
        else
            mask = MASK_SOLID;
        SV_FlyMove (ent, FRAMETIME, mask);
 
        gi.linkentity (ent);
        G_TouchTriggers (ent);
        if (!ent->inuse)
            return;
 
        if (ent->groundentity)
            if (!wasonground)
                if (hitsound)
                    gi.sound (ent, 0, gi.soundindex("world/land.wav"), 1, 1, 0);
    }
 
// regular thinking
    SV_RunThink (ent);
}

Referenced by G_RunEntity().

SV_Physics_Toss()

void SV_Physics_Toss

(

edict_t *

ent

)

Definition at line 670 of file g_phys.c.

{
    trace_t     trace;
    vec3_t      move;
    float       backoff;
    edict_t     *slave;
    qboolean    wasinwater;
    qboolean    isinwater;
    vec3_t      old_origin;
 
// regular thinking
    SV_RunThink (ent);
 
    // if not a team captain, so movement will be handled elsewhere
    if ( ent->flags & FL_TEAMSLAVE)
        return;
 
    if (ent->velocity[2] > 0)
        ent->groundentity = NULL;
 
// check for the groundentity going away
    if (ent->groundentity)
        if (!ent->groundentity->inuse)
            ent->groundentity = NULL;
 
// if onground, return without moving
    if ( ent->groundentity )
        return;
 
    VectorCopy (ent->s.origin, old_origin);
 
    SV_CheckVelocity (ent);
 
// add gravity
    if (ent->movetype != MOVETYPE_FLY
    && ent->movetype != MOVETYPE_FLYMISSILE)
        SV_AddGravity (ent);
 
// move angles
    VectorMA (ent->s.angles, FRAMETIME, ent->avelocity, ent->s.angles);
 
// move origin
    VectorScale (ent->velocity, FRAMETIME, move);
    trace = SV_PushEntity (ent, move);
    if (!ent->inuse)
        return;
 
    if (trace.fraction < 1)
    {
        if (ent->movetype == MOVETYPE_BOUNCE)
            backoff = 1.5;
        else
            backoff = 1;
 
        ClipVelocity (ent->velocity, trace.plane.normal, ent->velocity, backoff);
 
    // stop if on ground
        if (trace.plane.normal[2] > 0.7)
        {       
            if (ent->velocity[2] < 60 || ent->movetype != MOVETYPE_BOUNCE )
            {
                ent->groundentity = trace.ent;
                ent->groundentity_linkcount = trace.ent->linkcount;
                VectorCopy (vec3_origin, ent->velocity);
                VectorCopy (vec3_origin, ent->avelocity);
            }
        }
 
//      if (ent->touch)
//          ent->touch (ent, trace.ent, &trace.plane, trace.surface);
    }
    
// check for water transition
    wasinwater = (ent->watertype & MASK_WATER);
    ent->watertype = gi.pointcontents (ent->s.origin);
    isinwater = ent->watertype & MASK_WATER;
 
    if (isinwater)
        ent->waterlevel = 1;
    else
        ent->waterlevel = 0;
 
    if (!wasinwater && isinwater)
        gi.positioned_sound (old_origin, g_edicts, CHAN_AUTO, gi.soundindex("misc/h2ohit1.wav"), 1, 1, 0);
    else if (wasinwater && !isinwater)
        gi.positioned_sound (ent->s.origin, g_edicts, CHAN_AUTO, gi.soundindex("misc/h2ohit1.wav"), 1, 1, 0);
 
// move teamslaves
    for (slave = ent->teamchain; slave; slave = slave->teamchain)
    {
        VectorCopy (ent->s.origin, slave->s.origin);
        gi.linkentity (slave);
    }
}

Referenced by G_RunEntity().

SV_Push()

qboolean SV_Push	(	edict_t *	pusher,
		vec3_t	move,
		vec3_t	amove
	)

Definition at line 403 of file g_phys.c.

{
    int         i, e;
    edict_t     *check, *block;
    vec3_t      mins, maxs;
    pushed_t    *p;
    vec3_t      org, org2, move2, forward, right, up;
 
    // clamp the move to 1/8 units, so the position will
    // be accurate for client side prediction
    for (i=0 ; i<3 ; i++)
    {
        float   temp;
        temp = move[i]*8.0;
        if (temp > 0.0)
            temp += 0.5;
        else
            temp -= 0.5;
        move[i] = 0.125 * (int)temp;
    }
 
    // find the bounding box
    for (i=0 ; i<3 ; i++)
    {
        mins[i] = pusher->absmin[i] + move[i];
        maxs[i] = pusher->absmax[i] + move[i];
    }
 
// we need this for pushing things later
    VectorSubtract (vec3_origin, amove, org);
    AngleVectors (org, forward, right, up);
 
// save the pusher's original position
    pushed_p->ent = pusher;
    VectorCopy (pusher->s.origin, pushed_p->origin);
    VectorCopy (pusher->s.angles, pushed_p->angles);
    if (pusher->client)
        pushed_p->deltayaw = pusher->client->ps.pmove.delta_angles[YAW];
    pushed_p++;
 
// move the pusher to it's final position
    VectorAdd (pusher->s.origin, move, pusher->s.origin);
    VectorAdd (pusher->s.angles, amove, pusher->s.angles);
    gi.linkentity (pusher);
 
// see if any solid entities are inside the final position
    check = g_edicts+1;
    for (e = 1; e < globals.num_edicts; e++, check++)
    {
        if (!check->inuse)
            continue;
        if (check->movetype == MOVETYPE_PUSH
        || check->movetype == MOVETYPE_STOP
        || check->movetype == MOVETYPE_NONE
        || check->movetype == MOVETYPE_NOCLIP)
            continue;
 
        if (!check->area.prev)
            continue;       // not linked in anywhere
 
    // if the entity is standing on the pusher, it will definitely be moved
        if (check->groundentity != pusher)
        {
            // see if the ent needs to be tested
            if ( check->absmin[0] >= maxs[0]
            || check->absmin[1] >= maxs[1]
            || check->absmin[2] >= maxs[2]
            || check->absmax[0] <= mins[0]
            || check->absmax[1] <= mins[1]
            || check->absmax[2] <= mins[2] )
                continue;
 
            // see if the ent's bbox is inside the pusher's final position
            if (!SV_TestEntityPosition (check))
                continue;
        }
 
        if ((pusher->movetype == MOVETYPE_PUSH) || (check->groundentity == pusher))
        {
            // move this entity
            pushed_p->ent = check;
            VectorCopy (check->s.origin, pushed_p->origin);
            VectorCopy (check->s.angles, pushed_p->angles);
            pushed_p++;
 
            // try moving the contacted entity 
            VectorAdd (check->s.origin, move, check->s.origin);
            if (check->client)
            {   // FIXME: doesn't rotate monsters?
                check->client->ps.pmove.delta_angles[YAW] += amove[YAW];
            }
 
            // figure movement due to the pusher's amove
            VectorSubtract (check->s.origin, pusher->s.origin, org);
            org2[0] = DotProduct (org, forward);
            org2[1] = -DotProduct (org, right);
            org2[2] = DotProduct (org, up);
            VectorSubtract (org2, org, move2);
            VectorAdd (check->s.origin, move2, check->s.origin);
 
            // may have pushed them off an edge
            if (check->groundentity != pusher)
                check->groundentity = NULL;
 
            block = SV_TestEntityPosition (check);
            if (!block)
            {   // pushed ok
                gi.linkentity (check);
                // impact?
                continue;
            }
 
            // if it is ok to leave in the old position, do it
            // this is only relevent for riding entities, not pushed
            // FIXME: this doesn't acount for rotation
            VectorSubtract (check->s.origin, move, check->s.origin);
            block = SV_TestEntityPosition (check);
            if (!block)
            {
                pushed_p--;
                continue;
            }
        }
        
        // save off the obstacle so we can call the block function
        obstacle = check;
 
        // move back any entities we already moved
        // go backwards, so if the same entity was pushed
        // twice, it goes back to the original position
        for (p=pushed_p-1 ; p>=pushed ; p--)
        {
            VectorCopy (p->origin, p->ent->s.origin);
            VectorCopy (p->angles, p->ent->s.angles);
            if (p->ent->client)
            {
                p->ent->client->ps.pmove.delta_angles[YAW] = p->deltayaw;
            }
            gi.linkentity (p->ent);
        }
        return false;
    }
 
//FIXME: is there a better way to handle this?
    // see if anything we moved has touched a trigger
    for (p=pushed_p-1 ; p>=pushed ; p--)
        G_TouchTriggers (p->ent);
 
    return true;
}

Referenced by SV_Physics_Pusher().

SV_PushEntity()

trace_t SV_PushEntity	(	edict_t *	ent,
		vec3_t	push
	)

Definition at line 342 of file g_phys.c.

{
    trace_t trace;
    vec3_t  start;
    vec3_t  end;
    int     mask;
 
    VectorCopy (ent->s.origin, start);
    VectorAdd (start, push, end);
 
retry:
    if (ent->clipmask)
        mask = ent->clipmask;
    else
        mask = MASK_SOLID;
 
    trace = gi.trace (start, ent->mins, ent->maxs, end, ent, mask);
    
    VectorCopy (trace.endpos, ent->s.origin);
    gi.linkentity (ent);
 
    if (trace.fraction != 1.0)
    {
        SV_Impact (ent, &trace);
 
        // if the pushed entity went away and the pusher is still there
        if (!trace.ent->inuse && ent->inuse)
        {
            // move the pusher back and try again
            VectorCopy (start, ent->s.origin);
            gi.linkentity (ent);
            goto retry;
        }
    }
 
    if (ent->inuse)
        G_TouchTriggers (ent);
 
    return trace;
}                   

Referenced by SV_Physics_Toss().

SV_RunThink()

qboolean SV_RunThink

(

edict_t *

ent

)

Definition at line 95 of file g_phys.c.

{
    float   thinktime;
 
    thinktime = ent->nextthink;
    if (thinktime <= 0)
        return true;
    if (thinktime > level.time+0.001)
        return true;
    
    ent->nextthink = 0;
    if (!ent->think)
        gi.error ("NULL ent->think");
    ent->think (ent);
 
    return false;
}

Referenced by SV_Physics_Noclip(), SV_Physics_None(), SV_Physics_Pusher(), SV_Physics_Step(), and SV_Physics_Toss().

SV_TestEntityPosition()

edict_t* SV_TestEntityPosition

(

edict_t *

ent

)

Definition at line 49 of file g_phys.c.

{
    trace_t trace;
    int     mask;
 
    if (ent->clipmask)
        mask = ent->clipmask;
    else
        mask = MASK_SOLID;
    trace = gi.trace (ent->s.origin, ent->mins, ent->maxs, ent->s.origin, ent, mask);
    
    if (trace.startsolid)
        return g_edicts;
        
    return NULL;
}

Referenced by SV_Push().

Variable Documentation

obstacle

edict_t* obstacle

Definition at line 393 of file g_phys.c.

Referenced by SV_Physics_Pusher(), and SV_Push().

pushed

pushed_t pushed[MAX_EDICTS]

Definition at line 391 of file g_phys.c.

Referenced by SV_Physics_Pusher(), and SV_Push().

pushed_p

pushed_t * pushed_p

Definition at line 391 of file g_phys.c.

Referenced by SV_Physics_Pusher(), and SV_Push().