text: /*
  Copyright (C) 1996-1997 Id Software, Inc.
  
  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License
  as published by the Free Software Foundation; either version 2
  of the License, or (at your option) any later version.
  
  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
  
  See the GNU General Public License for more details.
  
  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  
  */
  
  #include "quakedef.h"
  
  #define	RETURN_EDICT(e) (((int *)pr_globals)[OFS_RETURN] = EDICT_TO_PROG(e))
  
  /*
  ===============================================================================
  
  						BUILT-IN FUNCTIONS
  
  ===============================================================================
  */
  
  char *PF_VarString (int	first)
  {
  	int		i;
  	static char out[256];
  	
  	out[0] = 0;
  	for (i=first ; i<pr_argc ; i++)
  	{
  		strcat (out, G_STRING((OFS_PARM0+i*3)));
  	}
  	return out;
  }
  
  
  /*
  =================
  PF_errror
  
  This is a TERMINAL error, which will kill off the entire server.
  Dumps self.
  
  error(value)
  =================
  */
  void PF_error (void)
  {
  	char	*s;
  	edict_t	*ed;
  	
  	s = PF_VarString(0);
  	Con_Printf ("======SERVER ERROR in %s:\n%s\n"
  	,pr_strings + pr_xfunction->s_name,s);
  	ed = PROG_TO_EDICT(pr_global_struct->self);
  	ED_Print (ed);
  
  	Host_Error ("Program error");
  }
  
  /*
  =================
  PF_objerror
  
  Dumps out self, then an error message.  The program is aborted and self is
  removed, but the level can continue.
  
  objerror(value)
  =================
  */
  void PF_objerror (void)
  {
  	char	*s;
  	edict_t	*ed;
  	
  	s = PF_VarString(0);
  	Con_Printf ("======OBJECT ERROR in %s:\n%s\n"
  	,pr_strings + pr_xfunction->s_name,s);
  	ed = PROG_TO_EDICT(pr_global_struct->self);
  	ED_Print (ed);
  	ED_Free (ed);
  	
  	Host_Error ("Program error");
  }
  
  
  
  /*
  ==============
  PF_makevectors
  
  Writes new values for v_forward, v_up, and v_right based on angles
  makevectors(vector)
  ==============
  */
  void PF_makevectors (void)
  {
  	AngleVectors (G_VECTOR(OFS_PARM0), pr_global_struct->v_forward, pr_global_struct->v_right, pr_global_struct->v_up);
  }
  
  /*
  =================
  PF_setorigin
  
  This is the only valid way to move an object without using the physics of the world (setting velocity and waiting).  Directly changing origin will not set internal links correctly, so clipping would be messed up.  This should be called when an object is spawned, and then only if it is teleported.
  
  setorigin (entity, origin)
  =================
  */
  void PF_setorigin (void)
  {
  	edict_t	*e;
  	float	*org;
  	
  	e = G_EDICT(OFS_PARM0);
  	org = G_VECTOR(OFS_PARM1);
  	VectorCopy (org, e->v.origin);
  	SV_LinkEdict (e, false);
  }
  
  
  void SetMinMaxSize (edict_t *e, float *min, float *max, qboolean rotate)
  {
  	float	*angles;
  	vec3_t	rmin, rmax;
  	float	bounds[2][3];
  	float	xvector[2], yvector[2];
  	float	a;
  	vec3_t	base, transformed;
  	int		i, j, k, l;
  	
  	for (i=0 ; i<3 ; i++)
  		if (min[i] > max[i])
  			PR_RunError ("backwards mins/maxs");
  
  	rotate = false;		// FIXME: implement rotation properly again
  
  	if (!rotate)
  	{
  		VectorCopy (min, rmin);
  		VectorCopy (max, rmax);
  	}
  	else
  	{
  	// find min / max for rotations
  		angles = e->v.angles;
  		
  		a = angles[1]/180 * M_PI;
  		
  		xvector[0] = cos(a);
  		xvector[1] = sin(a);
  		yvector[0] = -sin(a);
  		yvector[1] = cos(a);
  		
  		VectorCopy (min, bounds[0]);
  		VectorCopy (max, bounds[1]);
  		
  		rmin[0] = rmin[1] = rmin[2] = 9999;
  		rmax[0] = rmax[1] = rmax[2] = -9999;
  		
  		for (i=0 ; i<= 1 ; i++)
  		{
  			base[0] = bounds[i][0];
  			for (j=0 ; j<= 1 ; j++)
  			{
  				base[1] = bounds[j][1];
  				for (k=0 ; k<= 1 ; k++)
  				{
  					base[2] = bounds[k][2];
  					
  				// transform the point
  					transformed[0] = xvector[0]*base[0] + yvector[0]*base[1];
  					transformed[1] = xvector[1]*base[0] + yvector[1]*base[1];
  					transformed[2] = base[2];
  					
  					for (l=0 ; l<3 ; l++)
  					{
  						if (transformed[l] < rmin[l])
  							rmin[l] = transformed[l];
  						if (transformed[l] > rmax[l])
  							rmax[l] = transformed[l];
  					}
  				}
  			}
  		}
  	}
  	
  // set derived values
  	VectorCopy (rmin, e->v.mins);
  	VectorCopy (rmax, e->v.maxs);
  	VectorSubtract (max, min, e->v.size);
  	
  	SV_LinkEdict (e, false);
  }
  
  /*
  =================
  PF_setsize
  
  the size box is rotated by the current angle
  
  setsize (entity, minvector, maxvector)
  =================
  */
  void PF_setsize (void)
  {
  	edict_t	*e;
  	float	*min, *max;
  	
  	e = G_EDICT(OFS_PARM0);
  	min = G_VECTOR(OFS_PARM1);
  	max = G_VECTOR(OFS_PARM2);
  	SetMinMaxSize (e, min, max, false);
  }
  
  
  /*
  =================
  PF_setmodel
  
  setmodel(entity, model)
  =================
  */
  void PF_setmodel (void)
  {
  	edict_t	*e;
  	char	*m, **check;
  	model_t	*mod;
  	int		i;
  
  	e = G_EDICT(OFS_PARM0);
  	m = G_STRING(OFS_PARM1);
  
  // check to see if model was properly precached
  	for (i=0, check = sv.model_precache ; *check ; i++, check++)
  		if (!strcmp(*check, m))
  			break;
  			
  	if (!*check)
  		PR_RunError ("no precache: %s\n", m);
  		
  
  	e->v.model = m - pr_strings;
  	e->v.modelindex = i; //SV_ModelIndex (m);
  
  	mod = sv.models[ (int)e->v.modelindex];  // Mod_ForName (m, true);
  	
  	if (mod)
  		SetMinMaxSize (e, mod->mins, mod->maxs, true);
  	else
  		SetMinMaxSize (e, vec3_origin, vec3_origin, true);
  }
  
  /*
  =================
  PF_bprint
  
  broadcast print to everyone on server
  
  bprint(value)
  =================
  */
  void PF_bprint (void)
  {
  	char		*s;
  
  	s = PF_VarString(0);
  	SV_BroadcastPrintf ("%s", s);
  }
  
  /*
  =================
  PF_sprint
  
  single print to a specific client
  
  sprint(clientent, value)
  =================
  */
  void PF_sprint (void)
  {
  	char		*s;
  	client_t	*client;
  	int			entnum;
  	
  	entnum = G_EDICTNUM(OFS_PARM0);
  	s = PF_VarString(1);
  	
  	if (entnum < 1 || entnum > svs.maxclients)
  	{
  		Con_Printf ("tried to sprint to a non-client\n");
  		return;
  	}
  		
  	client = &svs.clients[entnum-1];
  		
  	MSG_WriteChar (&client->message,svc_print);
  	MSG_WriteString (&client->message, s );
  }
  
  
  /*
  =================
  PF_centerprint
  
  single print to a specific client
  
  centerprint(clientent, value)
  =================
  */
  void PF_centerprint (void)
  {
  	char		*s;
  	client_t	*client;
  	int			entnum;
  	
  	entnum = G_EDICTNUM(OFS_PARM0);
  	s = PF_VarString(1);
  	
  	if (entnum < 1 || entnum > svs.maxclients)
  	{
  		Con_Printf ("tried to sprint to a non-client\n");
  		return;
  	}
  		
  	client = &svs.clients[entnum-1];
  		
  	MSG_WriteChar (&client->message,svc_centerprint);
  	MSG_WriteString (&client->message, s );
  }
  
  
  /*
  =================
  PF_normalize
  
  vector normalize(vector)
  =================
  */
  void PF_normalize (void)
  {
  	float	*value1;
  	vec3_t	newvalue;
  	float	new;
  	
  	value1 = G_VECTOR(OFS_PARM0);
  
  	new = value1[0] * value1[0] + value1[1] * value1[1] + value1[2]*value1[2];
  	new = sqrt(new);
  	
  	if (new == 0)
  		newvalue[0] = newvalue[1] = newvalue[2] = 0;
  	else
  	{
  		new = 1/new;
  		newvalue[0] = value1[0] * new;
  		newvalue[1] = value1[1] * new;
  		newvalue[2] = value1[2] * new;
  	}
  	
  	VectorCopy (newvalue, G_VECTOR(OFS_RETURN));	
  }
  
  /*
  =================
  PF_vlen
  
  scalar vlen(vector)
  =================
  */
  void PF_vlen (void)
  {
  	float	*value1;
  	float	new;
  	
  	value1 = G_VECTOR(OFS_PARM0);
  
  	new = value1[0] * value1[0] + value1[1] * value1[1] + value1[2]*value1[2];
  	new = sqrt(new);
  	
  	G_FLOAT(OFS_RETURN) = new;
  }
  
  /*
  =================
  PF_vectoyaw
  
  float vectoyaw(vector)
  =================
  */
  void PF_vectoyaw (void)
  {
  	float	*value1;
  	float	yaw;
  	
  	value1 = G_VECTOR(OFS_PARM0);
  
  	if (value1[1] == 0 && value1[0] == 0)
  		yaw = 0;
  	else
  	{
  		yaw = (int) (atan2(value1[1], value1[0]) * 180 / M_PI);
  		if (yaw < 0)
  			yaw += 360;
  	}
  
  	G_FLOAT(OFS_RETURN) = yaw;
  }
  
  
  /*
  =================
  PF_vectoangles
  
  vector vectoangles(vector)
  =================
  */
  void PF_vectoangles (void)
  {
  	float	*value1;
  	float	forward;
  	float	yaw, pitch;
  	
  	value1 = G_VECTOR(OFS_PARM0);
  
  	if (value1[1] == 0 && value1[0] == 0)
  	{
  		yaw = 0;
  		if (value1[2] > 0)
  			pitch = 90;
  		else
  			pitch = 270;
  	}
  	else
  	{
  		yaw = (int) (atan2(value1[1], value1[0]) * 180 / M_PI);
  		if (yaw < 0)
  			yaw += 360;
  
  		forward = sqrt (value1[0]*value1[0] + value1[1]*value1[1]);
  		pitch = (int) (atan2(value1[2], forward) * 180 / M_PI);
  		if (pitch < 0)
  			pitch += 360;
  	}
  
  	G_FLOAT(OFS_RETURN+0) = pitch;
  	G_FLOAT(OFS_RETURN+1) = yaw;
  	G_FLOAT(OFS_RETURN+2) = 0;
  }
  
  /*
  =================
  PF_Random
  
  Returns a number from 0<= num < 1
  
  random()
  =================
  */
  void PF_random (void)
  {
  	float		num;
  		
  	num = (rand ()&0x7fff) / ((float)0x7fff);
  	
  	G_FLOAT(OFS_RETURN) = num;
  }
  
  /*
  =================
  PF_particle
  
  particle(origin, color, count)
  =================
  */
  void PF_particle (void)
  {
  	float		*org, *dir;
  	float		color;
  	float		count;
  			
  	org = G_VECTOR(OFS_PARM0);
  	dir = G_VECTOR(OFS_PARM1);
  	color = G_FLOAT(OFS_PARM2);
  	count = G_FLOAT(OFS_PARM3);
  	SV_StartParticle (org, dir, color, count);
  }
  
  
  /*
  =================
  PF_ambientsound
  
  =================
  */
  void PF_ambientsound (void)
  {
  	char		**check;
  	char		*samp;
  	float		*pos;
  	float 		vol, attenuation;
  	int			i, soundnum;
  
  	pos = G_VECTOR (OFS_PARM0);			
  	samp = G_STRING(OFS_PARM1);
  	vol = G_FLOAT(OFS_PARM2);
  	attenuation = G_FLOAT(OFS_PARM3);
  	
  // check to see if samp was properly precached
  	for (soundnum=0, check = sv.sound_precache ; *check ; check++, soundnum++)
  		if (!strcmp(*check,samp))
  			break;
  			
  	if (!*check)
  	{
  		Con_Printf ("no precache: %s\n", samp);
  		return;
  	}
  
  // add an svc_spawnambient command to the level signon packet
  
  	MSG_WriteByte (&sv.signon,svc_spawnstaticsound);
  	for (i=0 ; i<3 ; i++)
  		MSG_WriteCoord(&sv.signon, pos[i]);
  
  	MSG_WriteByte (&sv.signon, soundnum);
  
  	MSG_WriteByte (&sv.signon, vol*255);
  	MSG_WriteByte (&sv.signon, attenuation*64);
  
  }
  
  /*
  =================
  PF_sound
  
  Each entity can have eight independant sound sources, like voice,
  weapon, feet, etc.
  
  Channel 0 is an auto-allocate channel, the others override anything
  allready running on that entity/channel pair.
  
  An attenuation of 0 will play full volume everywhere in the level.
  Larger attenuations will drop off.
  
  =================
  */
  void PF_sound (void)
  {
  	char		*sample;
  	int			channel;
  	edict_t		*entity;
  	int 		volume;
  	float attenuation;
  		
  	entity = G_EDICT(OFS_PARM0);
  	channel = G_FLOAT(OFS_PARM1);
  	sample = G_STRING(OFS_PARM2);
  	volume = G_FLOAT(OFS_PARM3) * 255;
  	attenuation = G_FLOAT(OFS_PARM4);
  	
  	if (volume < 0 || volume > 255)
  		Sys_Error ("SV_StartSound: volume = %i", volume);
  
  	if (attenuation < 0 || attenuation > 4)
  		Sys_Error ("SV_StartSound: attenuation = %f", attenuation);
  
  	if (channel < 0 || channel > 7)
  		Sys_Error ("SV_StartSound: channel = %i", channel);
  
  	SV_StartSound (entity, channel, sample, volume, attenuation);
  }
  
  /*
  =================
  PF_break
  
  break()
  =================
  */
  void PF_break (void)
  {
  Con_Printf ("break statement\n");
  *(int *)-4 = 0;	// dump to debugger
  //	PR_RunError ("break statement");
  }
  
  /*
  =================
  PF_traceline
  
  Used for use tracing and shot targeting
  Traces are blocked by bbox and exact bsp entityes, and also slide box entities
  if the tryents flag is set.
  
  traceline (vector1, vector2, tryents)
  =================
  */
  void PF_traceline (void)
  {
  	float	*v1, *v2;
  	trace_t	trace;
  	int		nomonsters;
  	edict_t	*ent;
  
  	v1 = G_VECTOR(OFS_PARM0);
  	v2 = G_VECTOR(OFS_PARM1);
  	nomonsters = G_FLOAT(OFS_PARM2);
  	ent = G_EDICT(OFS_PARM3);
  
  	trace = SV_Move (v1, vec3_origin, vec3_origin, v2, nomonsters, ent);
  
  	pr_global_struct->trace_allsolid = trace.allsolid;
  	pr_global_struct->trace_startsolid = trace.startsolid;
  	pr_global_struct->trace_fraction = trace.fraction;
  	pr_global_struct->trace_inwater = trace.inwater;
  	pr_global_struct->trace_inopen = trace.inopen;
  	VectorCopy (trace.endpos, pr_global_struct->trace_endpos);
  	VectorCopy (trace.plane.normal, pr_global_struct->trace_plane_normal);
  	pr_global_struct->trace_plane_dist =  trace.plane.dist;	
  	if (trace.ent)
  		pr_global_struct->trace_ent = EDICT_TO_PROG(trace.ent);
  	else
  		pr_global_struct->trace_ent = EDICT_TO_PROG(sv.edicts);
  }
  
  
  #ifdef QUAKE2
  extern trace_t SV_Trace_Toss (edict_t *ent, edict_t *ignore);
  
  void PF_TraceToss (void)
  {
  	trace_t	trace;
  	edict_t	*ent;
  	edict_t	*ignore;
  
  	ent = G_EDICT(OFS_PARM0);
  	ignore = G_EDICT(OFS_PARM1);
  
  	trace = SV_Trace_Toss (ent, ignore);
  
  	pr_global_struct->trace_allsolid = trace.allsolid;
  	pr_global_struct->trace_startsolid = trace.startsolid;
  	pr_global_struct->trace_fraction = trace.fraction;
  	pr_global_struct->trace_inwater = trace.inwater;
  	pr_global_struct->trace_inopen = trace.inopen;
  	VectorCopy (trace.endpos, pr_global_struct->trace_endpos);
  	VectorCopy (trace.plane.normal, pr_global_struct->trace_plane_normal);
  	pr_global_struct->trace_plane_dist =  trace.plane.dist;	
  	if (trace.ent)
  		pr_global_struct->trace_ent = EDICT_TO_PROG(trace.ent);
  	else
  		pr_global_struct->trace_ent = EDICT_TO_PROG(sv.edicts);
  }
  #endif
  
  
  /*
  =================
  PF_checkpos
  
  Returns true if the given entity can move to the given position from it's
  current position by walking or rolling.
  FIXME: make work...
  scalar checkpos (entity, vector)
  =================
  */
  void PF_checkpos (void)
  {
  }
  
  //============================================================================
  
  byte	checkpvs[MAX_MAP_LEAFS/8];
  
  int PF_newcheckclient (int check)
  {
  	int		i;
  	byte	*pvs;
  	edict_t	*ent;
  	mleaf_t	*leaf;
  	vec3_t	org;
  
  // cycle to the next one
  
  	if (check < 1)
  		check = 1;
  	if (check > svs.maxclients)
  		check = svs.maxclients;
  
  	if (check == svs.maxclients)
  		i = 1;
  	else
  		i = check + 1;
  
  	for ( ;  ; i++)
  	{
  		if (i == svs.maxclients+1)
  			i = 1;
  
  		ent = EDICT_NUM(i);
  
  		if (i == check)
  			break;	// didn't find anything else
  
  		if (ent->free)
  			continue;
  		if (ent->v.health <= 0)
  			continue;
  		if ((int)ent->v.flags & FL_NOTARGET)
  			continue;
  
  	// anything that is a client, or has a client as an enemy
  		break;
  	}
  
  // get the PVS for the entity
  	VectorAdd (ent->v.origin, ent->v.view_ofs, org);
  	leaf = Mod_PointInLeaf (org, sv.worldmodel);
  	pvs = Mod_LeafPVS (leaf, sv.worldmodel);
  	memcpy (checkpvs, pvs, (sv.worldmodel->numleafs+7)>>3 );
  
  	return i;
  }
  
  /*
  =================
  PF_checkclient
  
  Returns a client (or object that has a client enemy) that would be a
  valid target.
  
  If there are more than one valid options, they are cycled each frame
  
  If (self.origin + self.viewofs) is not in the PVS of the current target,
  it is not returned at all.
  
  name checkclient ()
  =================
  */
  #define	MAX_CHECK	16
  int c_invis, c_notvis;
  void PF_checkclient (void)
  {
  	edict_t	*ent, *self;
  	mleaf_t	*leaf;
  	int		l;
  	vec3_t	view;
  	
  // find a new check if on a new frame
  	if (sv.time - sv.lastchecktime >= 0.1)
  	{
  		sv.lastcheck = PF_newcheckclient (sv.lastcheck);
  		sv.lastchecktime = sv.time;
  	}
  
  // return check if it might be visible	
  	ent = EDICT_NUM(sv.lastcheck);
  	if (ent->free || ent->v.health <= 0)
  	{
  		RETURN_EDICT(sv.edicts);
  		return;
  	}
  
  // if current entity can't possibly see the check entity, return 0
  	self = PROG_TO_EDICT(pr_global_struct->self);
  	VectorAdd (self->v.origin, self->v.view_ofs, view);
  	leaf = Mod_PointInLeaf (view, sv.worldmodel);
  	l = (leaf - sv.worldmodel->leafs) - 1;
  	if ( (l<0) || !(checkpvs[l>>3] & (1<<(l&7)) ) )
  	{
  c_notvis++;
  		RETURN_EDICT(sv.edicts);
  		return;
  	}
  
  // might be able to see it
  c_invis++;
  	RETURN_EDICT(ent);
  }
  
  //============================================================================
  
  
  /*
  =================
  PF_stuffcmd
  
  Sends text over to the client's execution buffer
  
  stuffcmd (clientent, value)
  =================
  */
  void PF_stuffcmd (void)
  {
  	int		entnum;
  	char	*str;
  	client_t	*old;
  	
  	entnum = G_EDICTNUM(OFS_PARM0);
  	if (entnum < 1 || entnum > svs.maxclients)
  		PR_RunError ("Parm 0 not a client");
  	str = G_STRING(OFS_PARM1);	
  	
  	old = host_client;
  	host_client = &svs.clients[entnum-1];
  	Host_ClientCommands ("%s", str);
  	host_client = old;
  }
  
  /*
  =================
  PF_localcmd
  
  Sends text over to the client's execution buffer
  
  localcmd (string)
  =================
  */
  void PF_localcmd (void)
  {
  	char	*str;
  	
  	str = G_STRING(OFS_PARM0);	
  	Cbuf_AddText (str);
  }
  
  /*
  =================
  PF_cvar
  
  float cvar (string)
  =================
  */
  void PF_cvar (void)
  {
  	char	*str;
  	
  	str = G_STRING(OFS_PARM0);
  	
  	G_FLOAT(OFS_RETURN) = Cvar_VariableValue (str);
  }
  
  /*
  =================
  PF_cvar_set
  
  float cvar (string)
  =================
  */
  void PF_cvar_set (void)
  {
  	char	*var, *val;
  	
  	var = G_STRING(OFS_PARM0);
  	val = G_STRING(OFS_PARM1);
  	
  	Cvar_Set (var, val);
  }
  
  /*
  =================
  PF_findradius
  
  Returns a chain of entities that have origins within a spherical area
  
  findradius (origin, radius)
  =================
  */
  void PF_findradius (void)
  {
  	edict_t	*ent, *chain;
  	float	rad;
  	float	*org;
  	vec3_t	eorg;
  	int		i, j;
  
  	chain = (edict_t *)sv.edicts;
  	
  	org = G_VECTOR(OFS_PARM0);
  	rad = G_FLOAT(OFS_PARM1);
  
  	ent = NEXT_EDICT(sv.edicts);
  	for (i=1 ; i<sv.num_edicts ; i++, ent = NEXT_EDICT(ent))
  	{
  		if (ent->free)
  			continue;
  		if (ent->v.solid == SOLID_NOT)
  			continue;
  		for (j=0 ; j<3 ; j++)
  			eorg[j] = org[j] - (ent->v.origin[j] + (ent->v.mins[j] + ent->v.maxs[j])*0.5);			
  		if (Length(eorg) > rad)
  			continue;
  			
  		ent->v.chain = EDICT_TO_PROG(chain);
  		chain = ent;
  	}
  
  	RETURN_EDICT(chain);
  }
  
  
  /*
  =========
  PF_dprint
  =========
  */
  void PF_dprint (void)
  {
  	Con_DPrintf ("%s",PF_VarString(0));
  }
  
  char	pr_string_temp[128];
  
  void PF_ftos (void)
  {
  	float	v;
  	v = G_FLOAT(OFS_PARM0);
  	
  	if (v == (int)v)
  		sprintf (pr_string_temp, "%d",(int)v);
  	else
  		sprintf (pr_string_temp, "%5.1f",v);
  	G_INT(OFS_RETURN) = pr_string_temp - pr_strings;
  }
  
  void PF_fabs (void)
  {
  	float	v;
  	v = G_FLOAT(OFS_PARM0);
  	G_FLOAT(OFS_RETURN) = fabs(v);
  }
  
  void PF_vtos (void)
  {
  	sprintf (pr_string_temp, "'%5.1f %5.1f %5.1f'", G_VECTOR(OFS_PARM0)[0], G_VECTOR(OFS_PARM0)[1], G_VECTOR(OFS_PARM0)[2]);
  	G_INT(OFS_RETURN) = pr_string_temp - pr_strings;
  }
  
  #ifdef QUAKE2
  void PF_etos (void)
  {
  	sprintf (pr_string_temp, "entity %i", G_EDICTNUM(OFS_PARM0));
  	G_INT(OFS_RETURN) = pr_string_temp - pr_strings;
  }
  #endif
  
  void PF_Spawn (void)
  {
  	edict_t	*ed;
  	ed = ED_Alloc();
  	RETURN_EDICT(ed);
  }
  
  void PF_Remove (void)
  {
  	edict_t	*ed;
  	
  	ed = G_EDICT(OFS_PARM0);
  	ED_Free (ed);
  }
  
  
  // entity (entity start, .string field, string match) find = #5;
  void PF_Find (void)
  #ifdef QUAKE2
  {
  	int		e;	
  	int		f;
  	char	*s, *t;
  	edict_t	*ed;
  	edict_t	*first;
  	edict_t	*second;
  	edict_t	*last;
  
  	first = second = last = (edict_t *)sv.edicts;
  	e = G_EDICTNUM(OFS_PARM0);
  	f = G_INT(OFS_PARM1);
  	s = G_STRING(OFS_PARM2);
  	if (!s)
  		PR_RunError ("PF_Find: bad search string");
  		
  	for (e++ ; e < sv.num_edicts ; e++)
  	{
  		ed = EDICT_NUM(e);
  		if (ed->free)
  			continue;
  		t = E_STRING(ed,f);
  		if (!t)
  			continue;
  		if (!strcmp(t,s))
  		{
  			if (first == (edict_t *)sv.edicts)
  				first = ed;
  			else if (second == (edict_t *)sv.edicts)
  				second = ed;
  			ed->v.chain = EDICT_TO_PROG(last);
  			last = ed;
  		}
  	}
  
  	if (first != last)
  	{
  		if (last != second)
  			first->v.chain = last->v.chain;
  		else
  			first->v.chain = EDICT_TO_PROG(last);
  		last->v.chain = EDICT_TO_PROG((edict_t *)sv.edicts);
  		if (second && second != last)
  			second->v.chain = EDICT_TO_PROG(last);
  	}
  	RETURN_EDICT(first);
  }
  #else
  {
  	int		e;	
  	int		f;
  	char	*s, *t;
  	edict_t	*ed;
  
  	e = G_EDICTNUM(OFS_PARM0);
  	f = G_INT(OFS_PARM1);
  	s = G_STRING(OFS_PARM2);
  	if (!s)
  		PR_RunError ("PF_Find: bad search string");
  		
  	for (e++ ; e < sv.num_edicts ; e++)
  	{
  		ed = EDICT_NUM(e);
  		if (ed->free)
  			continue;
  		t = E_STRING(ed,f);
  		if (!t)
  			continue;
  		if (!strcmp(t,s))
  		{
  			RETURN_EDICT(ed);
  			return;
  		}
  	}
  
  	RETURN_EDICT(sv.edicts);
  }
  #endif
  
  void PR_CheckEmptyString (char *s)
  {
  	if (s[0] <= ' ')
  		PR_RunError ("Bad string");
  }
  
  void PF_precache_file (void)
  {	// precache_file is only used to copy files with qcc, it does nothing
  	G_INT(OFS_RETURN) = G_INT(OFS_PARM0);
  }
  
  void PF_precache_sound (void)
  {
  	char	*s;
  	int		i;
  	
  	if (sv.state != ss_loading)
  		PR_RunError ("PF_Precache_*: Precache can only be done in spawn functions");
  		
  	s = G_STRING(OFS_PARM0);
  	G_INT(OFS_RETURN) = G_INT(OFS_PARM0);
  	PR_CheckEmptyString (s);
  	
  	for (i=0 ; i<MAX_SOUNDS ; i++)
  	{
  		if (!sv.sound_precache[i])
  		{
  			sv.sound_precache[i] = s;
  			return;
  		}
  		if (!strcmp(sv.sound_precache[i], s))
  			return;
  	}
  	PR_RunError ("PF_precache_sound: overflow");
  }
  
  void PF_precache_model (void)
  {
  	char	*s;
  	int		i;
  	
  	if (sv.state != ss_loading)
  		PR_RunError ("PF_Precache_*: Precache can only be done in spawn functions");
  		
  	s = G_STRING(OFS_PARM0);
  	G_INT(OFS_RETURN) = G_INT(OFS_PARM0);
  	PR_CheckEmptyString (s);
  
  	for (i=0 ; i<MAX_MODELS ; i++)
  	{
  		if (!sv.model_precache[i])
  		{
  			sv.model_precache[i] = s;
  			sv.models[i] = Mod_ForName (s, true);
  			return;
  		}
  		if (!strcmp(sv.model_precache[i], s))
  			return;
  	}
  	PR_RunError ("PF_precache_model: overflow");
  }
  
  
  void PF_coredump (void)
  {
  	ED_PrintEdicts ();
  }
  
  void PF_traceon (void)
  {
  	pr_trace = true;
  }
  
  void PF_traceoff (void)
  {
  	pr_trace = false;
  }
  
  void PF_eprint (void)
  {
  	ED_PrintNum (G_EDICTNUM(OFS_PARM0));
  }
  
  /*
  ===============
  PF_walkmove
  
  float(float yaw, float dist) walkmove
  ===============
  */
  void PF_walkmove (void)
  {
  	edict_t	*ent;
  	float	yaw, dist;
  	vec3_t	move;
  	dfunction_t	*oldf;
  	int 	oldself;
  	
  	ent = PROG_TO_EDICT(pr_global_struct->self);
  	yaw = G_FLOAT(OFS_PARM0);
  	dist = G_FLOAT(OFS_PARM1);
  	
  	if ( !( (int)ent->v.flags & (FL_ONGROUND|FL_FLY|FL_SWIM) ) )
  	{
  		G_FLOAT(OFS_RETURN) = 0;
  		return;
  	}
  
  	yaw = yaw*M_PI*2 / 360;
  	
  	move[0] = cos(yaw)*dist;
  	move[1] = sin(yaw)*dist;
  	move[2] = 0;
  
  // save program state, because SV_movestep may call other progs
  	oldf = pr_xfunction;
  	oldself = pr_global_struct->self;
  	
  	G_FLOAT(OFS_RETURN) = SV_movestep(ent, move, true);
  	
  	
  // restore program state
  	pr_xfunction = oldf;
  	pr_global_struct->self = oldself;
  }
  
  /*
  ===============
  PF_droptofloor
  
  void() droptofloor
  ===============
  */
  void PF_droptofloor (void)
  {
  	edict_t		*ent;
  	vec3_t		end;
  	trace_t		trace;
  	
  	ent = PROG_TO_EDICT(pr_global_struct->self);
  
  	VectorCopy (ent->v.origin, end);
  	end[2] -= 256;
  	
  	trace = SV_Move (ent->v.origin, ent->v.mins, ent->v.maxs, end, false, ent);
  
  	if (trace.fraction == 1 || trace.allsolid)
  		G_FLOAT(OFS_RETURN) = 0;
  	else
  	{
  		VectorCopy (trace.endpos, ent->v.origin);
  		SV_LinkEdict (ent, false);
  		ent->v.flags = (int)ent->v.flags | FL_ONGROUND;
  		ent->v.groundentity = EDICT_TO_PROG(trace.ent);
  		G_FLOAT(OFS_RETURN) = 1;
  	}
  }
  
  /*
  ===============
  PF_lightstyle
  
  void(float style, string value) lightstyle
  ===============
  */
  void PF_lightstyle (void)
  {
  	int		style;
  	char	*val;
  	client_t	*client;
  	int			j;
  	
  	style = G_FLOAT(OFS_PARM0);
  	val = G_STRING(OFS_PARM1);
  
  // change the string in sv
  	sv.lightstyles[style] = val;
  	
  // send message to all clients on this server
  	if (sv.state != ss_active)
  		return;
  	
  	for (j=0, client = svs.clients ; j<svs.maxclients ; j++, client++)
  		if (client->active || client->spawned)
  		{
  			MSG_WriteChar (&client->message, svc_lightstyle);
  			MSG_WriteChar (&client->message,style);
  			MSG_WriteString (&client->message, val);
  		}
  }
  
  void PF_rint (void)
  {
  	float	f;
  	f = G_FLOAT(OFS_PARM0);
  	if (f > 0)
  		G_FLOAT(OFS_RETURN) = (int)(f + 0.5);
  	else
  		G_FLOAT(OFS_RETURN) = (int)(f - 0.5);
  }
  void PF_floor (void)
  {
  	G_FLOAT(OFS_RETURN) = floor(G_FLOAT(OFS_PARM0));
  }
  void PF_ceil (void)
  {
  	G_FLOAT(OFS_RETURN) = ceil(G_FLOAT(OFS_PARM0));
  }
  
  
  /*
  =============
  PF_checkbottom
  =============
  */
  void PF_checkbottom (void)
  {
  	edict_t	*ent;
  	
  	ent = G_EDICT(OFS_PARM0);
  
  	G_FLOAT(OFS_RETURN) = SV_CheckBottom (ent);
  }
  
  /*
  =============
  PF_pointcontents
  =============
  */
  void PF_pointcontents (void)
  {
  	float	*v;
  	
  	v = G_VECTOR(OFS_PARM0);
  
  	G_FLOAT(OFS_RETURN) = SV_PointContents (v);	
  }
  
  /*
  =============
  PF_nextent
  
  entity nextent(entity)
  =============
  */
  void PF_nextent (void)
  {
  	int		i;
  	edict_t	*ent;
  	
  	i = G_EDICTNUM(OFS_PARM0);
  	while (1)
  	{
  		i++;
  		if (i == sv.num_edicts)
  		{
  			RETURN_EDICT(sv.edicts);
  			return;
  		}
  		ent = EDICT_NUM(i);
  		if (!ent->free)
  		{
  			RETURN_EDICT(ent);
  			return;
  		}
  	}
  }
  
  /*
  =============
  PF_aim
  
  Pick a vector for the player to shoot along
  vector aim(entity, missilespeed)
  =============
  */
  cvar_t	sv_aim = {"sv_aim", "0.93"};
  void PF_aim (void)
  {
  	edict_t	*ent, *check, *bestent;
  	vec3_t	start, dir, end, bestdir;
  	int		i, j;
  	trace_t	tr;
  	float	dist, bestdist;
  	float	speed;
  	
  	ent = G_EDICT(OFS_PARM0);
  	speed = G_FLOAT(OFS_PARM1);
  
  	VectorCopy (ent->v.origin, start);
  	start[2] += 20;
  
  // try sending a trace straight
  	VectorCopy (pr_global_struct->v_forward, dir);
  	VectorMA (start, 2048, dir, end);
  	tr = SV_Move (start, vec3_origin, vec3_origin, end, false, ent);
  	if (tr.ent && tr.ent->v.takedamage == DAMAGE_AIM
  	&& (!teamplay.value || ent->v.team <=0 || ent->v.team != tr.ent->v.team) )
  	{
  		VectorCopy (pr_global_struct->v_forward, G_VECTOR(OFS_RETURN));
  		return;
  	}
  
  
  // try all possible entities
  	VectorCopy (dir, bestdir);
  	bestdist = sv_aim.value;
  	bestent = NULL;
  	
  	check = NEXT_EDICT(sv.edicts);
  	for (i=1 ; i<sv.num_edicts ; i++, check = NEXT_EDICT(check) )
  	{
  		if (check->v.takedamage != DAMAGE_AIM)
  			continue;
  		if (check == ent)
  			continue;
  		if (teamplay.value && ent->v.team > 0 && ent->v.team == check->v.team)
  			continue;	// don't aim at teammate
  		for (j=0 ; j<3 ; j++)
  			end[j] = check->v.origin[j]
  			+ 0.5*(check->v.mins[j] + check->v.maxs[j]);
  		VectorSubtract (end, start, dir);
  		VectorNormalize (dir);
  		dist = DotProduct (dir, pr_global_struct->v_forward);
  		if (dist < bestdist)
  			continue;	// to far to turn
  		tr = SV_Move (start, vec3_origin, vec3_origin, end, false, ent);
  		if (tr.ent == check)
  		{	// can shoot at this one
  			bestdist = dist;
  			bestent = check;
  		}
  	}
  	
  	if (bestent)
  	{
  		VectorSubtract (bestent->v.origin, ent->v.origin, dir);
  		dist = DotProduct (dir, pr_global_struct->v_forward);
  		VectorScale (pr_global_struct->v_forward, dist, end);
  		end[2] = dir[2];
  		VectorNormalize (end);
  		VectorCopy (end, G_VECTOR(OFS_RETURN));	
  	}
  	else
  	{
  		VectorCopy (bestdir, G_VECTOR(OFS_RETURN));
  	}
  }
  
  /*
  ==============
  PF_changeyaw
  
  This was a major timewaster in progs, so it was converted to C
  ==============
  */
  void PF_changeyaw (void)
  {
  	edict_t		*ent;
  	float		ideal, current, move, speed;
  	
  	ent = PROG_TO_EDICT(pr_global_struct->self);
  	current = anglemod( ent->v.angles[1] );
  	ideal = ent->v.ideal_yaw;
  	speed = ent->v.yaw_speed;
  	
  	if (current == ideal)
  		return;
  	move = ideal - current;
  	if (ideal > current)
  	{
  		if (move >= 180)
  			move = move - 360;
  	}
  	else
  	{
  		if (move <= -180)
  			move = move + 360;
  	}
  	if (move > 0)
  	{
  		if (move > speed)
  			move = speed;
  	}
  	else
  	{
  		if (move < -speed)
  			move = -speed;
  	}
  	
  	ent->v.angles[1] = anglemod (current + move);
  }
  
  #ifdef QUAKE2
  /*
  ==============
  PF_changepitch
  ==============
  */
  void PF_changepitch (void)
  {
  	edict_t		*ent;
  	float		ideal, current, move, speed;
  	
  	ent = G_EDICT(OFS_PARM0);
  	current = anglemod( ent->v.angles[0] );
  	ideal = ent->v.idealpitch;
  	speed = ent->v.pitch_speed;
  	
  	if (current == ideal)
  		return;
  	move = ideal - current;
  	if (ideal > current)
  	{
  		if (move >= 180)
  			move = move - 360;
  	}
  	else
  	{
  		if (move <= -180)
  			move = move + 360;
  	}
  	if (move > 0)
  	{
  		if (move > speed)
  			move = speed;
  	}
  	else
  	{
  		if (move < -speed)
  			move = -speed;
  	}
  	
  	ent->v.angles[0] = anglemod (current + move);
  }
  #endif
  
  /*
  ===============================================================================
  
  MESSAGE WRITING
  
  ===============================================================================
  */
  
  #define	MSG_BROADCAST	0		// unreliable to all
  #define	MSG_ONE			1		// reliable to one (msg_entity)
  #define	MSG_ALL			2		// reliable to all
  #define	MSG_INIT		3		// write to the init string
  
  sizebuf_t *WriteDest (void)
  {
  	int		entnum;
  	int		dest;
  	edict_t	*ent;
  
  	dest = G_FLOAT(OFS_PARM0);
  	switch (dest)
  	{
  	case MSG_BROADCAST:
  		return &sv.datagram;
  	
  	case MSG_ONE:
  		ent = PROG_TO_EDICT(pr_global_struct->msg_entity);
  		entnum = NUM_FOR_EDICT(ent);
  		if (entnum < 1 || entnum > svs.maxclients)
  			PR_RunError ("WriteDest: not a client");
  		return &svs.clients[entnum-1].message;
  		
  	case MSG_ALL:
  		return &sv.reliable_datagram;
  	
  	case MSG_INIT:
  		return &sv.signon;
  
  	default:
  		PR_RunError ("WriteDest: bad destination");
  		break;
  	}
  	
  	return NULL;
  }
  
  void PF_WriteByte (void)
  {
  	MSG_WriteByte (WriteDest(), G_FLOAT(OFS_PARM1));
  }
  
  void PF_WriteChar (void)
  {
  	MSG_WriteChar (WriteDest(), G_FLOAT(OFS_PARM1));
  }
  
  void PF_WriteShort (void)
  {
  	MSG_WriteShort (WriteDest(), G_FLOAT(OFS_PARM1));
  }
  
  void PF_WriteLong (void)
  {
  	MSG_WriteLong (WriteDest(), G_FLOAT(OFS_PARM1));
  }
  
  void PF_WriteAngle (void)
  {
  	MSG_WriteAngle (WriteDest(), G_FLOAT(OFS_PARM1));
  }
  
  void PF_WriteCoord (void)
  {
  	MSG_WriteCoord (WriteDest(), G_FLOAT(OFS_PARM1));
  }
  
  void PF_WriteString (void)
  {
  	MSG_WriteString (WriteDest(), G_STRING(OFS_PARM1));
  }
  
  
  void PF_WriteEntity (void)
  {
  	MSG_WriteShort (WriteDest(), G_EDICTNUM(OFS_PARM1));
  }
  
  //=============================================================================
  
  int SV_ModelIndex (char *name);
  
  void PF_makestatic (void)
  {
  	edict_t	*ent;
  	int		i;
  	
  	ent = G_EDICT(OFS_PARM0);
  
  	MSG_WriteByte (&sv.signon,svc_spawnstatic);
  
  	MSG_WriteByte (&sv.signon, SV_ModelIndex(pr_strings + ent->v.model));
  
  	MSG_WriteByte (&sv.signon, ent->v.frame);
  	MSG_WriteByte (&sv.signon, ent->v.colormap);
  	MSG_WriteByte (&sv.signon, ent->v.skin);
  	for (i=0 ; i<3 ; i++)
  	{
  		MSG_WriteCoord(&sv.signon, ent->v.origin[i]);
  		MSG_WriteAngle(&sv.signon, ent->v.angles[i]);
  	}
  
  // throw the entity away now
  	ED_Free (ent);
  }
  
  //=============================================================================
  
  /*
  ==============
  PF_setspawnparms
  ==============
  */
  void PF_setspawnparms (void)
  {
  	edict_t	*ent;
  	int		i;
  	client_t	*client;
  
  	ent = G_EDICT(OFS_PARM0);
  	i = NUM_FOR_EDICT(ent);
  	if (i < 1 || i > svs.maxclients)
  		PR_RunError ("Entity is not a client");
  
  	// copy spawn parms out of the client_t
  	client = svs.clients + (i-1);
  
  	for (i=0 ; i< NUM_SPAWN_PARMS ; i++)
  		(&pr_global_struct->parm1)[i] = client->spawn_parms[i];
  }
  
  /*
  ==============
  PF_changelevel
  ==============
  */
  void PF_changelevel (void)
  {
  #ifdef QUAKE2
  	char	*s1, *s2;
  
  	if (svs.changelevel_issued)
  		return;
  	svs.changelevel_issued = true;
  
  	s1 = G_STRING(OFS_PARM0);
  	s2 = G_STRING(OFS_PARM1);
  
  	if ((int)pr_global_struct->serverflags & (SFL_NEW_UNIT | SFL_NEW_EPISODE))
  		Cbuf_AddText (va("changelevel %s %s\n",s1, s2));
  	else
  		Cbuf_AddText (va("changelevel2 %s %s\n",s1, s2));
  #else
  	char	*s;
  
  // make sure we don't issue two changelevels
  	if (svs.changelevel_issued)
  		return;
  	svs.changelevel_issued = true;
  	
  	s = G_STRING(OFS_PARM0);
  	Cbuf_AddText (va("changelevel %s\n",s));
  #endif
  }
  
  
  #ifdef QUAKE2
  
  #define	CONTENT_WATER	-3
  #define CONTENT_SLIME	-4
  #define CONTENT_LAVA	-5
  
  #define FL_IMMUNE_WATER	131072
  #define	FL_IMMUNE_SLIME	262144
  #define FL_IMMUNE_LAVA	524288
  
  #define	CHAN_VOICE	2
  #define	CHAN_BODY	4
  
  #define	ATTN_NORM	1
  
  void PF_WaterMove (void)
  {
  	edict_t		*self;
  	int			flags;
  	int			waterlevel;
  	int			watertype;
  	float		drownlevel;
  	float		damage = 0.0;
  
  	self = PROG_TO_EDICT(pr_global_struct->self);
  
  	if (self->v.movetype == MOVETYPE_NOCLIP)
  	{
  		self->v.air_finished = sv.time + 12;
  		G_FLOAT(OFS_RETURN) = damage;
  		return;
  	}
  
  	if (self->v.health < 0)
  	{
  		G_FLOAT(OFS_RETURN) = damage;
  		return;
  	}
  
  	if (self->v.deadflag == DEAD_NO)
  		drownlevel = 3;
  	else
  		drownlevel = 1;
  
  	flags = (int)self->v.flags;
  	waterlevel = (int)self->v.waterlevel;
  	watertype = (int)self->v.watertype;
  
  	if (!(flags & (FL_IMMUNE_WATER + FL_GODMODE)))
  		if (((flags & FL_SWIM) && (waterlevel < drownlevel)) || (waterlevel >= drownlevel))
  		{
  			if (self->v.air_finished < sv.time)
  				if (self->v.pain_finished < sv.time)
  				{
  					self->v.dmg = self->v.dmg + 2;
  					if (self->v.dmg > 15)
  						self->v.dmg = 10;
  //					T_Damage (self, world, world, self.dmg, 0, FALSE);
  					damage = self->v.dmg;
  					self->v.pain_finished = sv.time + 1.0;
  				}
  		}
  		else
  		{
  			if (self->v.air_finished < sv.time)
  //				sound (self, CHAN_VOICE, "player/gasp2.wav", 1, ATTN_NORM);
  				SV_StartSound (self, CHAN_VOICE, "player/gasp2.wav", 255, ATTN_NORM);
  			else if (self->v.air_finished < sv.time + 9)
  //				sound (self, CHAN_VOICE, "player/gasp1.wav", 1, ATTN_NORM);
  				SV_StartSound (self, CHAN_VOICE, "player/gasp1.wav", 255, ATTN_NORM);
  			self->v.air_finished = sv.time + 12.0;
  			self->v.dmg = 2;
  		}
  	
  	if (!waterlevel)
  	{
  		if (flags & FL_INWATER)
  		{	
  			// play leave water sound
  //			sound (self, CHAN_BODY, "misc/outwater.wav", 1, ATTN_NORM);
  			SV_StartSound (self, CHAN_BODY, "misc/outwater.wav", 255, ATTN_NORM);
  			self->v.flags = (float)(flags &~FL_INWATER);
  		}
  		self->v.air_finished = sv.time + 12.0;
  		G_FLOAT(OFS_RETURN) = damage;
  		return;
  	}
  
  	if (watertype == CONTENT_LAVA)
  	{	// do damage
  		if (!(flags & (FL_IMMUNE_LAVA + FL_GODMODE)))
  			if (self->v.dmgtime < sv.time)
  			{
  				if (self->v.radsuit_finished < sv.time)
  					self->v.dmgtime = sv.time + 0.2;
  				else
  					self->v.dmgtime = sv.time + 1.0;
  //				T_Damage (self, world, world, 10*self.waterlevel, 0, TRUE);
  				damage = (float)(10*waterlevel);
  			}
  	}
  	else if (watertype == CONTENT_SLIME)
  	{	// do damage
  		if (!(flags & (FL_IMMUNE_SLIME + FL_GODMODE)))
  			if (self->v.dmgtime < sv.time && self->v.radsuit_finished < sv.time)
  			{
  				self->v.dmgtime = sv.time + 1.0;
  //				T_Damage (self, world, world, 4*self.waterlevel, 0, TRUE);
  				damage = (float)(4*waterlevel);
  			}
  	}
  	
  	if ( !(flags & FL_INWATER) )
  	{	
  
  // player enter water sound
  		if (watertype == CONTENT_LAVA)
  //			sound (self, CHAN_BODY, "player/inlava.wav", 1, ATTN_NORM);
  			SV_StartSound (self, CHAN_BODY, "player/inlava.wav", 255, ATTN_NORM);
  		if (watertype == CONTENT_WATER)
  //			sound (self, CHAN_BODY, "player/inh2o.wav", 1, ATTN_NORM);
  			SV_StartSound (self, CHAN_BODY, "player/inh2o.wav", 255, ATTN_NORM);
  		if (watertype == CONTENT_SLIME)
  //			sound (self, CHAN_BODY, "player/slimbrn2.wav", 1, ATTN_NORM);
  			SV_StartSound (self, CHAN_BODY, "player/slimbrn2.wav", 255, ATTN_NORM);
  
  		self->v.flags = (float)(flags | FL_INWATER);
  		self->v.dmgtime = 0;
  	}
  	
  	if (! (flags & FL_WATERJUMP) )
  	{
  //		self.velocity = self.velocity - 0.8*self.waterlevel*frametime*self.velocity;
  		VectorMA (self->v.velocity, -0.8 * self->v.waterlevel * host_frametime, self->v.velocity, self->v.velocity);
  	}
  
  	G_FLOAT(OFS_RETURN) = damage;
  }
  
  
  void PF_sin (void)
  {
  	G_FLOAT(OFS_RETURN) = sin(G_FLOAT(OFS_PARM0));
  }
  
  void PF_cos (void)
  {
  	G_FLOAT(OFS_RETURN) = cos(G_FLOAT(OFS_PARM0));
  }
  
  void PF_sqrt (void)
  {
  	G_FLOAT(OFS_RETURN) = sqrt(G_FLOAT(OFS_PARM0));
  }
  #endif
  
  void PF_Fixme (void)
  {
  	PR_RunError ("unimplemented bulitin");
  }
  
  
  
  builtin_t pr_builtin[] =
  {
  PF_Fixme,
  PF_makevectors,	// void(entity e)	makevectors 		= #1;
  PF_setorigin,	// void(entity e, vector o) setorigin	= #2;
  PF_setmodel,	// void(entity e, string m) setmodel	= #3;
  PF_setsize,	// void(entity e, vector min, vector max) setsize = #4;
  PF_Fixme,	// void(entity e, vector min, vector max) setabssize = #5;
  PF_break,	// void() break						= #6;
  PF_random,	// float() random						= #7;
  PF_sound,	// void(entity e, float chan, string samp) sound = #8;
  PF_normalize,	// vector(vector v) normalize			= #9;
  PF_error,	// void(string e) error				= #10;
  PF_objerror,	// void(string e) objerror				= #11;
  PF_vlen,	// float(vector v) vlen				= #12;
  PF_vectoyaw,	// float(vector v) vectoyaw		= #13;
  PF_Spawn,	// entity() spawn						= #14;
  PF_Remove,	// void(entity e) remove				= #15;
  PF_traceline,	// float(vector v1, vector v2, float tryents) traceline = #16;
  PF_checkclient,	// entity() clientlist					= #17;
  PF_Find,	// entity(entity start, .string fld, string match) find = #18;
  PF_precache_sound,	// void(string s) precache_sound		= #19;
  PF_precache_model,	// void(string s) precache_model		= #20;
  PF_stuffcmd,	// void(entity client, string s)stuffcmd = #21;
  PF_findradius,	// entity(vector org, float rad) findradius = #22;
  PF_bprint,	// void(string s) bprint				= #23;
  PF_sprint,	// void(entity client, string s) sprint = #24;
  PF_dprint,	// void(string s) dprint				= #25;
  PF_ftos,	// void(string s) ftos				= #26;
  PF_vtos,	// void(string s) vtos				= #27;
  PF_coredump,
  PF_traceon,
  PF_traceoff,
  PF_eprint,	// void(entity e) debug print an entire entity
  PF_walkmove, // float(float yaw, float dist) walkmove
  PF_Fixme, // float(float yaw, float dist) walkmove
  PF_droptofloor,
  PF_lightstyle,
  PF_rint,
  PF_floor,
  PF_ceil,
  PF_Fixme,
  PF_checkbottom,
  PF_pointcontents,
  PF_Fixme,
  PF_fabs,
  PF_aim,
  PF_cvar,
  PF_localcmd,
  PF_nextent,
  PF_particle,
  PF_changeyaw,
  PF_Fixme,
  PF_vectoangles,
  
  PF_WriteByte,
  PF_WriteChar,
  PF_WriteShort,
  PF_WriteLong,
  PF_WriteCoord,
  PF_WriteAngle,
  PF_WriteString,
  PF_WriteEntity,
  
  #ifdef QUAKE2
  PF_sin,
  PF_cos,
  PF_sqrt,
  PF_changepitch,
  PF_TraceToss,
  PF_etos,
  PF_WaterMove,
  #else
  PF_Fixme,
  PF_Fixme,
  PF_Fixme,
  PF_Fixme,
  PF_Fixme,
  PF_Fixme,
  PF_Fixme,
  #endif
  
  SV_MoveToGoal,
  PF_precache_file,
  PF_makestatic,
  
  PF_changelevel,
  PF_Fixme,
  
  PF_cvar_set,
  PF_centerprint,
  
  PF_ambientsound,
  
  PF_precache_model,
  PF_precache_sound,		// precache_sound2 is different only for qcc
  PF_precache_file,
  
  PF_setspawnparms
  };
  
  builtin_t *pr_builtins = pr_builtin;
  int pr_numbuiltins = sizeof(pr_builtin)/sizeof(pr_builtin[0]);
  
  