/*
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.

Based on works by Id Software, LordHavoc, Maddes, Rich Whitehouse, MH, Spike, Tonik, Jozsef Szalontai,the QuakeSource.com guys, the ezQuake team, JPGrossman, Baker, R00k, and anyone else who can press F7.
*/

#include "quakedef.h"

#define	RETURN_EDICT(e) (((int *)pr_globals)[OFS_RETURN] = EDICT_TO_PROG(e))
#define PR_MAX_TEMPSTRING 2048	// 2001-10-25 Enhanced temp string handling by Maddes

/*
===============================================================================

				BUILT-IN FUNCTIONS

===============================================================================
*/

char	pr_varstring_temp[PR_MAX_TEMPSTRING];	// 2001-10-25 Enhanced temp string handling by Maddes

char *PF_VarString (int	first)
{
	int		i;
// 2001-10-25 Enhanced temp string handling by Maddes  start
	int		maxlen;
	char	*add;

	pr_varstring_temp[0] = 0;
	for (i=first ; i < pr_argc ; i++)
	{
		maxlen = PR_MAX_TEMPSTRING - strlen(pr_varstring_temp) - 1;	// -1 is EndOfString
		add = G_STRING((OFS_PARM0+i*3));
		if (maxlen > strlen(add))
		{
			strcat (pr_varstring_temp, add);
		}
		else
		{
			strncat (pr_varstring_temp, add, maxlen);
			pr_varstring_temp[PR_MAX_TEMPSTRING-1] = 0;
			break;	// can stop here
		}
	}
	return pr_varstring_temp;
// 2001-10-25 Enhanced temp string handling by Maddes  end
}
/*
=================
PF_error

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_vectorvectors

Writes new values for v_forward, v_up, and v_right based on the given forward vector
vectorvectors(vector, vector)
==============
*/
void PF_vectorvectors (void)
{
	VectorNormalize2(G_VECTOR(OFS_PARM0), pr_global_struct->v_forward);
	VectorVectors(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);
	if (e == sv.edicts)
	{
		return;
	}
	org = G_VECTOR(OFS_PARM1);
	VectorCopy (org, e->v.origin);
	SV_LinkEdict (e, false);
}

void PF_SetMinMaxSize (edict_t *e, float *min, float *max)//Reckless
{
	int		i;	

	// removed broken rotate code
 	for (i=0 ; i<3 ; i++) 
	{
		if (min[i] > max[i]) 
		{
			Con_DPrintf (1,"Mins %i: Maxs %i: %s\n", e->v.model);
		}
	}

	// set derived values
	VectorCopy (min, e->v.mins);
	VectorCopy (max, 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);
	PF_SetMinMaxSize(e, min, max);
}


/*
=================
PF_setmodel

setmodel(entity, model)
=================
*/
void PF_setmodel (void)
{
	vec3_t quakemins = {-16, -16, -16}, quakemaxs = {16, 16, 16};
	edict_t	*e;
	char	*m, **check;
	model_t	*mod;
	int		i;

	e = G_EDICT(OFS_PARM0);

	if (e == sv.edicts)
	{
		return;
	}
	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)
	{
		if (mod->type != mod_alias)
			PF_SetMinMaxSize (e, mod->mins, mod->maxs);
		else
			PF_SetMinMaxSize (e, quakemins, quakemaxs);
	}
	else
	{
		PF_SetMinMaxSize (e, vec3_origin, vec3_origin);
	}
}

/*
=================
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 || !svs.clients[entnum-1].active)
	{
		Con_Printf ("tried to sprint to a non-client\n");
		return;
	}
		
	client = &svs.clients[entnum-1];

	if (!client->netconnection)
		return;
		
	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];
		
	if (!client->netconnection)
		return;

	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, forward, yaw, pitch;
	
	value1 = G_VECTOR(OFS_PARM0);

	if (!value1[1] && !value1[0])
	{
		yaw = 0;
		if (value1[2] > 0)
			pitch = 90;
		else
			pitch = 270;
	}
	else
	{
		// LordHavoc: optimized a bit
		if (value1[0])
		{
			yaw = (atan2(value1[1], value1[0]) * 180 / M_PI);
			if (yaw < 0)
				yaw += 360;
		}
		else if (value1[1] > 0)
			yaw = 90;
		else
			yaw = 270;

		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, color, 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);
}

void PF_te_blood (void)
{
	if (G_FLOAT(OFS_PARM2) < 1)
		return;
	MSG_WriteByte(&sv.datagram, svc_temp_entity);
	MSG_WriteByte(&sv.datagram, TE_BLOOD);
	// origin
	MSG_WriteCoord(&sv.datagram, G_VECTOR(OFS_PARM0)[0]);
	MSG_WriteCoord(&sv.datagram, G_VECTOR(OFS_PARM0)[1]);
	MSG_WriteCoord(&sv.datagram, G_VECTOR(OFS_PARM0)[2]);
	// velocity
	MSG_WriteByte(&sv.datagram, bound(-128, (int) G_VECTOR(OFS_PARM1)[0], 127));
	MSG_WriteByte(&sv.datagram, bound(-128, (int) G_VECTOR(OFS_PARM1)[1], 127));
	MSG_WriteByte(&sv.datagram, bound(-128, (int) G_VECTOR(OFS_PARM1)[2], 127));
	// count
	MSG_WriteByte(&sv.datagram, bound(0, (int) G_FLOAT(OFS_PARM2), 255));
}

/*
=================
PF_ambientsound
=================
*/
void PF_ambientsound (void)
{
	char		**check;
	char		*samp;
	float		*pos;
	float 		vol, attenuation;
	int			i, soundnum;
	int			large=false; //johnfitz -- PROTOCOL_FITZQUAKE

	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;
	}

	//johnfitz -- PROTOCOL_FITZQUAKE
	if (soundnum > 255)
		if (sv.protocol == PROTOCOL_NETQUAKE)
			return; //don't send any info protocol can't support
		else
			large = true;
	//johnfitz

// add an svc_spawnambient command to the level signon packet

	//johnfitz -- PROTOCOL_FITZQUAKE
	if (large)
		MSG_WriteByte (&sv.signon,svc_spawnstaticsound2);
	else
		MSG_WriteByte (&sv.signon,svc_spawnstaticsound);
	//johnfitz

	for (i=0 ; i<3 ; i++)
		MSG_WriteCoord(&sv.signon, pos[i]);

	//johnfitz -- PROTOCOL_FITZQUAKE
	if (large)
		MSG_WriteShort (&sv.signon, soundnum);
	else
		MSG_WriteByte (&sv.signon, soundnum);
	//johnfitz

	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, volume;
	edict_t		*entity;
	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 entities, 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 ? MOVE_NOMONSTERS : MOVE_NORMAL, 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);
}

extern trace_t SV_Trace_Toss (edict_t *ent, edict_t *ignore);

void PF_TraceToss (void)
{
	trace_t	trace;
	edict_t	*ent, *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);
}


/*
=================
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

Adds text to the server'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;
	float	serv;		// JPG - added this for cvar_set(name, value, serverflag)
	cvar_t	*cvar;		// JPG - added this for cvar_set(name, value, serverflag)
	
	var = G_STRING(OFS_PARM0);
	val = G_STRING(OFS_PARM1);

	// JPG - added this for cvar_set(name, value, serverflag)
	if (pr_argc > 2)
	{
		serv = G_FLOAT(OFS_PARM2);
		cvar = Cvar_FindVar (var);
		if (!cvar)
		{	// there is an error in C code if this happens
			Con_Printf ("Cvar_Set: variable %s not found\n", var);
			return;
		}
		cvar->server = (int) serv;
	}
	// END JPG

	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 radius;
	float *org;
	float eorg[3];
	int i, j;

	chain = (edict_t *)sv.edicts;

	org = G_VECTOR(OFS_PARM0);
	radius = 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 (VectorLength(eorg) > radius)
			continue;	

		ent->v.chain = EDICT_TO_PROG(chain);
		chain = ent;
	}

	RETURN_EDICT(chain);
}


/*
=========
PF_dprint
=========
*/
void PF_dprint (void)
{
	Con_DPrintf (1,"%s",PF_VarString(0));
}


char	pr_string_temp[PR_MAX_TEMPSTRING];	// 2001-10-25 Enhanced temp string handling by Maddes
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;
}

void PF_etos (void)
{
	sprintf (pr_string_temp, "entity %i", G_EDICTNUM(OFS_PARM0));
	G_INT(OFS_RETURN) = pr_string_temp - pr_strings;
}

void PF_Spawn (void)
{
	edict_t	*ed;
	ed = ED_Alloc();
	RETURN_EDICT(ed);
}

void PF_Remove (void)
{
	edict_t	*ed;
	int i;
	
	ed = G_EDICT(OFS_PARM0);
	if (ed == sv.edicts)
	{
		Con_DPrintf (1,"Tried to remove the world at %s in %s!\n",
			pr_xfunction->s_name + pr_strings, pr_xfunction->s_file + pr_strings);
		return;
	}

	i = NUM_FOR_EDICT(ed);
	if (i <= svs.maxclients)
	{
		Con_DPrintf (1,"Tried to remove a client at %s in %s!\n",
			pr_xfunction->s_name + pr_strings, pr_xfunction->s_file + pr_strings);
		return;
	}
	ED_Free (ed);
}


// entity (entity start, .string field, string match) find = #5;
void PF_Find (void)
{
	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 (!f)
		PR_RunError ("PF_Find: bad search field");

	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);
}

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", "1"};

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;	// too 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)
	{
	   //G_FLOAT(OFS_RETURN) = 0;
		return;
	}
	move = ideal - current;
	if (ideal > current)
	{
		if (move >= 180)
			move = move - 360;
	}
	else
	{
		if (move <= -180)
			move = move + 360;
	}
   
	//G_FLOAT(OFS_RETURN) = move;

	if (move > 0)
	{
		if (move > speed)
			move = speed;
	}
	else
	{
		if (move < -speed)
			move = -speed;
	}
	
	ent->v.angles[1] = anglemod (current + move);
}

/*
==============
PF_changepitch
==============
*/
void PF_changepitch (void)
{
	edict_t		*ent;
	float		ideal, current, move, speed;
	eval_t		*val;
	
	ent = G_EDICT(OFS_PARM0);
	current = anglemod(ent->v.angles[0]);
	if ((val = GETEDICTFIELDVALUE(ent, eval_idealpitch)))
	{
		ideal = val->_float;
	}
	else
	{
		PR_RunError ("PF_changepitch: .float idealpitch and .float pitch_speed must be defined to use changepitch");
		return;
	}
	if ((val = GETEDICTFIELDVALUE(ent, eval_pitch_speed)))
	{
		speed = val->_float;
	}
	else
	{
		PR_RunError ("PF_changepitch: .float idealpitch and .float pitch_speed must be defined to use changepitch");
		return;
	}
	
	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);
}

/*
===============================================================================

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, 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));
}

void PF_WriteFloat (void)
{
	MSG_WriteFloat (WriteDest(), G_FLOAT(OFS_PARM1));
}
// 2001-09-16 New BuiltIn Function: WriteFloat() by Maddes  end

//=============================================================================

int SV_ModelIndex (char *name);

void PF_makestatic (void)
{
	edict_t		*ent;
	int			i;
	int			bits=0; //johnfitz -- PROTOCOL_FITZQUAKE

	ent = G_EDICT(OFS_PARM0);

//this bugs out teleporters and skip textures in 'in the shadows'	
/*
//johnfitz -- don't send invisible static entities
	if (ent->alpha < ENTALPHA_ZERO) 
	{
		ED_Free (ent);
		return;
	}
	//johnfitz
*/

	//johnfitz -- PROTOCOL_FITZQUAKE
	if (sv.protocol == PROTOCOL_NETQUAKE)
	{
		if (SV_ModelIndex(pr_strings + ent->v.model) & 0xFF00 || (int)(ent->v.frame) & 0xFF00)
		{
			ED_Free (ent);
			return; //can't display the correct model & frame, so don't show it at all
		}
	}
	else
	{
		if (SV_ModelIndex(pr_strings + ent->v.model) & 0xFF00)
			bits |= B_LARGEMODEL;
		if ((int)(ent->v.frame) & 0xFF00)
			bits |= B_LARGEFRAME;
		if (ent->alpha != ent->baseline.alpha)
			bits |= B_ALPHA;
	}

	if (bits)
	{
		MSG_WriteByte (&sv.signon, svc_spawnstatic2);
		MSG_WriteByte (&sv.signon, bits);
	}
	else
		MSG_WriteByte (&sv.signon, svc_spawnstatic);

	if (bits & B_LARGEMODEL)
		MSG_WriteShort (&sv.signon, SV_ModelIndex(pr_strings + ent->v.model));
	else
		MSG_WriteByte (&sv.signon, SV_ModelIndex(pr_strings + ent->v.model));

	if (bits & B_LARGEFRAME)
		MSG_WriteShort (&sv.signon, ent->v.frame);
	else
		MSG_WriteByte (&sv.signon, ent->v.frame);
	//johnfitz

	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]);
	}

	//johnfitz -- PROTOCOL_FITZQUAKE
	if (bits & B_ALPHA)
		MSG_WriteByte (&sv.signon, ent->alpha);
	//johnfitz

// 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)
{
	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));
}

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));
}

void PF_Fixme (void)
{
	PR_RunError ("unimplemented builtin");
}

// 2001-09-16 New BuiltIn Function: cmd_find() by Maddes  start
/*
=================
PF_cmd_find

float cmd_find (string)
=================
*/
void PF_cmd_find (void)
{
	char	*cmdname;
	float	result;

	cmdname = G_STRING(OFS_PARM0);

	result = Cmd_Exists (cmdname);

	G_FLOAT(OFS_RETURN) = result;
}
// 2001-09-16 New BuiltIn Function: cmd_find() by Maddes  end

// 2001-09-16 New BuiltIn Function: cvar_find() by Maddes  start
/*
=================
PF_cvar_find

float cvar_find (string)
=================
*/
void PF_cvar_find (void)
{
	char	*varname;
	float	result;

	varname = G_STRING(OFS_PARM0);

	result = 0;
	if (Cvar_FindVar (varname))
	{
		result = 1;
	}

	G_FLOAT(OFS_RETURN) = result;
}
// 2001-09-16 New BuiltIn Function: cvar_find() by Maddes  end

// 2001-09-16 New BuiltIn Function: cvar_string() by Maddes  start
/*
=================
PF_cvar_string

string cvar_string (string)
=================
*/
void PF_cvar_string (void)
{
	char	*varname;
	cvar_t	*var;

	varname = G_STRING(OFS_PARM0);
	var = Cvar_FindVar (varname);
	if (!var)
	{
		Con_DPrintf (1,"Cvar_String: variable \"%s\" not found\n", varname);	// 2001-09-09 Made 'Cvar not found' a developer message by Maddes
		G_INT(OFS_RETURN) = OFS_NULL;
	}
	else
	{
		G_INT(OFS_RETURN) = var->string - pr_strings;
	}
}
// 2001-09-16 New BuiltIn Function: cvar_string() by Maddes  end

// 2001-09-25 New BuiltIn Function: etof() by Maddes  start
/*
=================
PF_etof

float etof (entity)
=================
*/
void PF_etof (void)
{
	G_FLOAT(OFS_RETURN) = G_EDICTNUM(OFS_PARM0);
}
// 2001-09-25 New BuiltIn Function: etof() by Maddes  end

// 2001-09-25 New BuiltIn Function: ftoe() by Maddes  start
/*
=================
PF_ftoe

entity ftoe (float)
=================
*/
void PF_ftoe (void)
{
	edict_t		*e;

	e = EDICT_NUM(G_FLOAT(OFS_PARM0));
	RETURN_EDICT(e);
}
// 2001-09-25 New BuiltIn Function: ftoe() by Maddes  end


// 2001-09-20 QuakeC string manipulation by FrikaC/Maddes  start
/*
=================
PF_strzone

string strzone (string)
=================
*/
void PF_strzone (void)
{
	char *m, *p;
	m = G_STRING(OFS_PARM0);
	p = Z_Malloc(strlen(m) + 1);
	strcpy(p, m);

	G_INT(OFS_RETURN) = p - pr_strings;
}

/*
=================
PF_strunzone

string strunzone (string)
=================
*/
void PF_strunzone (void)
{
	Z_Free(G_STRING(OFS_PARM0));
	G_INT(OFS_PARM0) = OFS_NULL; // empty the def
};

/*
=================
PF_strlen

float strlen (string)
=================
*/
void PF_strlen (void)
{
	char *p = G_STRING(OFS_PARM0);
	G_FLOAT(OFS_RETURN) = strlen(p);
}

/*
=================
PF_strcat

string strcat (string, string)
=================
*/
void PF_strcat (void)
{
	char *s1, *s2;
	int		maxlen;	// 2001-10-25 Enhanced temp string handling by Maddes

	s1 = G_STRING(OFS_PARM0);
	s2 = PF_VarString(1);

// 2001-10-25 Enhanced temp string handling by Maddes  start
	pr_string_temp[0] = 0;
	if (strlen(s1) < PR_MAX_TEMPSTRING)
	{
		strcpy(pr_string_temp, s1);
	}
	else
	{
		strncpy(pr_string_temp, s1, PR_MAX_TEMPSTRING);
		pr_string_temp[PR_MAX_TEMPSTRING-1] = 0;
	}

	maxlen = PR_MAX_TEMPSTRING - strlen(pr_string_temp) - 1;	// -1 is EndOfString
	if (maxlen > 0)
	{
		if (maxlen > strlen(s2))
		{
			strcat (pr_string_temp, s2);
		}
		else
		{
			strncat (pr_string_temp, s2, maxlen);
			pr_string_temp[PR_MAX_TEMPSTRING-1] = 0;
		}
	}
// 2001-10-25 Enhanced temp string handling by Maddes  end

	G_INT(OFS_RETURN) = pr_string_temp - pr_strings;
}

/*
=================
PF_substring

string substring (string, float, float)
=================
*/
void PF_substring (void)
{
	int		offset, length;
	int		maxoffset;		// 2001-10-25 Enhanced temp string handling by Maddes
	char	*p;

	p = G_STRING(OFS_PARM0);
	offset = (int)G_FLOAT(OFS_PARM1); 
	length = (int)G_FLOAT(OFS_PARM2);

	pr_string_temp[0] = 0;

	if (!p)
		p = "";

	// cap values
	maxoffset = strlen(p);
	if (offset > maxoffset)
	{
		offset = maxoffset;
	}
	if (offset < 0)
		offset = 0;
// 2001-10-25 Enhanced temp string handling by Maddes  start
	if (length >= PR_MAX_TEMPSTRING)
		length = PR_MAX_TEMPSTRING-1;
// 2001-10-25 Enhanced temp string handling by Maddes  end
	if (length < 0)
		length = 0;

	p += offset;
	strncpy(pr_string_temp, p, length);

	pr_string_temp[length]=0;
	G_INT(OFS_RETURN) = pr_string_temp - pr_strings;
}

/*
=================
PF_substring

string substring replace (string, float, float, replace)
=================

void PF_substring_replace (void)
{
	int		offset, length;
	int		maxoffset;		// 2001-10-25 Enhanced temp string handling by Maddes
	char	*p, *replace;

	p = G_STRING(OFS_PARM0);
	offset = (int)G_FLOAT(OFS_PARM1); // for some reason, Quake doesn't like G_INT
	length = (int)G_FLOAT(OFS_PARM2);
	replace	= G_STRING(OFS_PARM3);

	if (!p)
		p = "";

	// cap values
	maxoffset = strlen(p);
	if (offset > maxoffset)
	{
		offset = maxoffset;
	}
	if (offset < 0)
		offset = 0;
// 2001-10-25 Enhanced temp string handling by Maddes  start
	if (length >= PR_MAX_TEMPSTRING)
		length = PR_MAX_TEMPSTRING-1;
// 2001-10-25 Enhanced temp string handling by Maddes  end
	if (length < 0)
		length = 0;

	strncpy(pr_string_temp, p, sizeof(offset));

	pr_string_temp += offset;

	strncat (pr_string_temp, replace, length);

	pr_string_temp[length]=0;

	G_INT(OFS_RETURN) = pr_string_temp - pr_strings;
}


/*
=================
PF_stof

float stof (string)
=================
*/
// thanks Zoid, taken from QuakeWorld
void PF_stof (void)
{
	char	*s;

	s = G_STRING(OFS_PARM0);
	G_FLOAT(OFS_RETURN) = atof(s);
}

/*
=================
PF_stov

vector stov (string)
=================
*/
void PF_stov (void)
{
	char *v;
	int i;
	vec3_t d;

	v = G_STRING(OFS_PARM0);

	for (i=0; i<3; i++)
	{
		while(v && (v[0] == ' ' || v[0] == '\'')) //skip unneeded data
			v++;
		d[i] = atof(v);
		while (v && v[0] != ' ') // skip to next space
			v++;
	}
	VectorCopy (d, G_VECTOR(OFS_RETURN));
}

// 2001-09-20 QuakeC string manipulation by FrikaC/Maddes  end
// 2001-09-20 QuakeC file access by FrikaC/Maddes  start
/*
=================
PF_fopen

float fopen (string,float)
=================
*/
void PF_fopen (void)
{
   char *p = G_STRING(OFS_PARM0);
   int fmode = G_FLOAT (OFS_PARM1);
   int h = 0;

   switch (fmode)
   {
   case 0: // read
      Sys_FileOpenRead (va("%s/%s",com_gamedir, p), &h);
      break;

   case 1: // append -- sane version
      h = Sys_FileOpenAppend (va("%s/%s", com_gamedir, p));
      break;

   default: // write
      h = Sys_FileOpenWrite (va("%s/%s", com_gamedir, p));
      break;
   }

   // always common now
   G_FLOAT (OFS_RETURN) = (float) h;
}


/*
=================
PF_fclose

void fclose (float)
=================
*/
void PF_fclose (void)
{
	int h = (int)G_FLOAT(OFS_PARM0);
	Sys_FileClose(h);
}

/*
=================
PF_fgets

string fgets (float)
=================
*/
void PF_fgets (void)
{
	// reads one line (up to a \n) into a string
	int		h;
	int		i;
	int		count;
	char	buffer;

	h = (int)G_FLOAT(OFS_PARM0);

	count = Sys_FileRead(h, &buffer, 1);
	if (count && buffer == '\r')	// carriage return
	{
		count = Sys_FileRead(h, &buffer, 1);	// skip
	}
	if (!count)	// EndOfFile
	{
		G_INT(OFS_RETURN) = OFS_NULL;	// void string
		return;
	}

	i = 0;
	while (count && buffer != '\n')
	{
		if (i < PR_MAX_TEMPSTRING-1)	// no place for character in temp string
		{
			pr_string_temp[i++] = buffer;
		}

		// read next character
		count = Sys_FileRead(h, &buffer, 1);
		if (count && buffer == '\r')	// carriage return
		{
			count = Sys_FileRead(h, &buffer, 1);	// skip
		}
	};
	pr_string_temp[i] = 0;

	G_INT(OFS_RETURN) = pr_string_temp - pr_strings;
}

/*
=================
PF_fputs

void fputs (float,string)
=================
*/
void PF_fputs (void)
{
	// writes to file, like bprint
	float handle = G_FLOAT(OFS_PARM0);

	char *str = PF_VarString(1);

	Sys_FileWrite (handle, str, strlen(str));
}

// 2001-09-20 QuakeC file access by FrikaC/Maddes  end
/*
=================
PF_fmin

Returns the minimum of two or more supplied floats

float fmin(float f1, float f2, ...)
=================
*/
void PF_fmin (void)
{
	// LordHavoc: 3+ argument enhancement suggested by FrikaC
	if (pr_argc == 2)
		G_FLOAT(OFS_RETURN) = min(G_FLOAT(OFS_PARM0), G_FLOAT(OFS_PARM1));
	else if (pr_argc >= 3)
	{
		int i;
		float f = G_FLOAT(OFS_PARM0);
		for (i = 1;i < pr_argc;i++)
			if (G_FLOAT((OFS_PARM0+i*3)) < f)
				f = G_FLOAT((OFS_PARM0+i*3));
		G_FLOAT(OFS_RETURN) = f;
	}
	else
		PR_RunError("fmin: must supply at least 2 floats\n");
}

/*
=================
PF_fmax

Returns the maximum of two or more supplied floats

float fmax(float f1, float f2, ...)
=================
*/
void PF_fmax (void)
{
	// LordHavoc: 3+ argument enhancement suggested by FrikaC
	if (pr_argc == 2)
		G_FLOAT(OFS_RETURN) = max(G_FLOAT(OFS_PARM0), G_FLOAT(OFS_PARM1));
	else if (pr_argc >= 3)
	{
		int i;
		float f = G_FLOAT(OFS_PARM0);
		for (i = 1;i < pr_argc;i++)
			if (G_FLOAT((OFS_PARM0+i*3)) > f)
				f = G_FLOAT((OFS_PARM0+i*3));
		G_FLOAT(OFS_RETURN) = f;
	}
	else
		PR_RunError("fmax: must supply at least 2 floats\n");
}

/*
=================
PF_fbound

Returns number bounded by supplied range

float fbound(float min, float f, float max)
=================
*/
void PF_fbound (void)
{
	G_FLOAT(OFS_RETURN) = bound(G_FLOAT(OFS_PARM0), G_FLOAT(OFS_PARM1), G_FLOAT(OFS_PARM2));
}

/*
=================
PF_fpow

Returns base raised to power exp (base^exp)

float fpow(float base, float exp)
=================
*/
void PF_fpow (void)
{
	G_FLOAT(OFS_RETURN) = pow(G_FLOAT(OFS_PARM0), G_FLOAT(OFS_PARM1));
}

/*
=================
PF_findfloat

Loops through all entities beginning with the "start" entity, and checks the named entity field for a match.

entity findfloat(entity start, .string fld, float match)
=================
*/
// LordHavoc: added this for searching float, int, and entity reference fields
void PF_FindFloat (void)
{
	int		e;
	int		f;
	float	s;
	edict_t	*ed;

	e = G_EDICTNUM(OFS_PARM0);
	f = G_INT(OFS_PARM1);
	s = G_FLOAT(OFS_PARM2);

	for (e++ ; e < sv.num_edicts ; e++)
	{
		ed = EDICT_NUM(e);
		if (ed->free)
			continue;
		if (E_FLOAT(ed,f) == s)
		{
			RETURN_EDICT(ed);
			return;
		}
	}

	RETURN_EDICT(sv.edicts);
}

/*
=================
PF_tracebox

Used for use tracing and shot targeting
Traces are blocked by bbox and exact bsp entities, and also slide box entities
if the tryents flag is set(?).

void(vector v1, vector mins, vector maxs, vector v2, float nomonsters, entity forent) tracebox
=================
*/
// LordHavoc: added this for my own use, VERY useful, similar to traceline
void PF_tracebox (void)
{
	float	*v1, *v2, *m1, *m2;
	trace_t	trace;
	int		nomonsters;
	edict_t	*ent;

	v1 = G_VECTOR(OFS_PARM0);
	m1 = G_VECTOR(OFS_PARM1);
	m2 = G_VECTOR(OFS_PARM2);
	v2 = G_VECTOR(OFS_PARM3);
	nomonsters = G_FLOAT(OFS_PARM4);
	ent = G_EDICT(OFS_PARM5);

	trace = SV_Move (v1, m1, m2, 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);
}

/*
=================
PF_randomvec

Returns a vector of length < 1

vector randomvec()
=================
*/
void PF_randomvec (void)
{
	vec3_t		temp;
	do
	{
		temp[0] = (rand()&32767) * (2.0 / 32767.0) - 1.0;
		temp[1] = (rand()&32767) * (2.0 / 32767.0) - 1.0;
		temp[2] = (rand()&32767) * (2.0 / 32767.0) - 1.0;
	}
	while (DotProduct(temp, temp) >= 1);
	VectorCopy (temp, G_VECTOR(OFS_RETURN));
}

/*
=================
PF_copyentity

copies data from one entity to another

copyentity(src, dst)
=================
*/
void PF_copyentity (void)
{
	edict_t *in, *out;
	in = G_EDICT(OFS_PARM0);
	out = G_EDICT(OFS_PARM1);
	memcpy(out, in, pr_edict_size);
}

/*
=================
PF_setcolor

sets the color of a client and broadcasts the update to all connected clients

setcolor(clientent, value)
=================
*/
void PF_setcolor (void)
{
	client_t	*client;
	int			entnum, i;

	entnum = G_EDICTNUM(OFS_PARM0);
	i = G_FLOAT(OFS_PARM1);

	if (entnum < 1 || entnum > svs.maxclients)
	{
		Con_DPrintf (1,"PROGS.DAT tried to setcolor a non-client\n");
		return;
	}

	client = &svs.clients[entnum-1];
	client->colors = i;
	client->edict->v.team = (i & 15) + 1;

	MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
	MSG_WriteByte (&sv.reliable_datagram, entnum - 1);
	MSG_WriteByte (&sv.reliable_datagram, i);
}

/*
=================
PF_setname

updates the name of the player, and broadcasts to all clients.

(R00k: I know this seems trivial, but eventually it's to be expanded for padding, and string manipulation. Used on the scoreboard, to include team name as well). 
ie.
[
setname(clientent, string)
=================
*/
void PF_setname (void)
{
	client_t	*client;
	int			entnum;
	char		*name;

	entnum = G_EDICTNUM(OFS_PARM0);
	name = G_STRING(OFS_PARM1);

	if (entnum < 1 || entnum > svs.maxclients)
	{
		Con_DPrintf (1,"PROGS.DAT tried to setname a non-client\n");
		return;
	}

	client = &svs.clients[entnum-1];
	strcpy(client->name,name);

	MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
	MSG_WriteByte (&sv.reliable_datagram, entnum - 1);
	MSG_WriteString (&sv.reliable_datagram, name);
}

// chained search for strings in entity fields
// entity(.string field, string match) findchain = #402;
void PF_findchain (void)
{
	int		i;
	int		f;
	char	*s, *t;
	edict_t	*ent, *chain;

	chain = (edict_t *)sv.edicts;

	f = G_INT(OFS_PARM0);
	s = G_STRING(OFS_PARM1);
	if (!s || !s[0])
	{
		RETURN_EDICT(sv.edicts);
		return;
	}

	ent = NEXT_EDICT(sv.edicts);
	for (i = 1;i < sv.num_edicts;i++, ent = NEXT_EDICT(ent))
	{
		if (ent->free)
			continue;
		t = E_STRING(ent,f);
		if (!t)
			continue;
		if (strcmp(t,s))
			continue;

		ent->v.chain = EDICT_TO_PROG(chain);
		chain = ent;
	}

	RETURN_EDICT(chain);
}

// LordHavoc: chained search for float, int, and entity reference fields
// entity(.string field, float match) findchainfloat = #403;
void PF_findchainfloat (void)
{
	int		i;
	int		f;
	float	s;
	edict_t	*ent, *chain;

	chain = (edict_t *)sv.edicts;

	f = G_INT(OFS_PARM0);
	s = 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 (E_FLOAT(ent,f) != s)
			continue;

		ent->v.chain = EDICT_TO_PROG(chain);
		chain = ent;
	}

	RETURN_EDICT(chain);
}
// 2001-11-15 DarkPlaces general builtin functions by LordHavoc  end
#ifdef EBFS
builtin_t *pr_builtins;	
int pr_numbuiltins;	

// 2001-09-14 Enhanced BuiltIn Function System (EBFS) by Maddes  start

/*
=================
PF_builtin_find

float builtin_find (string)
=================
*/

void PF_builtin_find (void)
{
	int		j;
	float	funcno;
	char	*funcname;

	funcno = 0;
	funcname = G_STRING(OFS_PARM0);

	// search function name
	for ( j=1 ; j < pr_ebfs_numbuiltins ; j++)
	{
		if ((pr_ebfs_builtins[j].funcname) && (!(Q_strcasecmp(funcname,pr_ebfs_builtins[j].funcname))))
		{
			break;	// found
		}
	}

	if (j < pr_ebfs_numbuiltins)
	{
		funcno = pr_ebfs_builtins[j].funcno;
	}

	G_FLOAT(OFS_RETURN) = funcno;
}
// 2001-09-14 Enhanced BuiltIn Function System (EBFS) by Maddes  end

//---------------------------------------------------------------------------------------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------------------------------------------------------------------------------------

// 2001-09-14 Enhanced BuiltIn Function System (EBFS) by Maddes  start
// for builtin function definitions see Quake Standards Group at http://www.quakesrc.org/

//---------------------------------------------------------------------------------------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------------------------------------------------------------------------------------
ebfs_builtin_t pr_ebfs_builtins[] =
{
	{   0, NULL, PF_Fixme },				// has to be first entry as it is needed for initialization in PR_LoadProgs()
	{   1, "makevectors", PF_makevectors },	// void(entity e)	makevectors 		= #1;
	{   2, "setorigin", PF_setorigin },		// void(entity e, vector o) setorigin	= #2;
	{   3, "setmodel", PF_setmodel },		// void(entity e, string m) setmodel	= #3;
	{   4, "setsize", PF_setsize },			// void(entity e, vector min, vector max) setsize = #4;
//	{   5, "fixme", PF_Fixme },				// void(entity e, vector min, vector max) setabssize = #5;
	{   6, "break", PF_break },				// void() break						= #6;
	{   7, "random", PF_random },			// float() random						= #7;
	{   8, "sound", PF_sound },				// void(entity e, float chan, string samp) sound = #8;
	{   9, "normalize", PF_normalize },		// vector(vector v) normalize			= #9;
	{  10, "error", PF_error },				// void(string e) error				= #10;
	{  11, "objerror", PF_objerror },		// void(string e) objerror				= #11;
	{  12, "vlen", PF_vlen },				// float(vector v) vlen				= #12;
	{  13, "vectoyaw", PF_vectoyaw },		// float(vector v) vectoyaw		= #13;
	{  14, "spawn", PF_Spawn },				// entity() spawn						= #14;
	{  15, "remove", PF_Remove },			// void(entity e) remove				= #15;
	{  16, "traceline", PF_traceline },		// float(vector v1, vector v2, float tryents) traceline = #16;
	{  17, "checkclient", PF_checkclient },	// entity() clientlist					= #17;
	{  18, "find", PF_Find },				// entity(entity start, .string fld, string match) find = #18;
	{  19, "precache_sound", PF_precache_sound },	// void(string s) precache_sound		= #19;
	{  20, "precache_model", PF_precache_model },	// void(string s) precache_model		= #20;
	{  21, "stuffcmd", PF_stuffcmd },		// void(entity client, string s)stuffcmd = #21;
	{  22, "findradius", PF_findradius },	// entity(vector org, float rad) findradius = #22;
	{  23, "bprint", PF_bprint },			// void(string s) bprint				= #23;
	{  24, "sprint", PF_sprint },			// void(entity client, string s) sprint = #24;
	{  25, "dprint", PF_dprint },			// void(string s) dprint				= #25;
	{  26, "ftos", PF_ftos },				// void(string s) ftos				= #26;
	{  27, "vtos", PF_vtos },				// void(string s) vtos				= #27;
	{  28, "coredump", PF_coredump },
	{  29, "traceon", PF_traceon },
	{  30, "traceoff", PF_traceoff },
	{  31, "eprint", PF_eprint },			// void(entity e) debug print an entire entity
	{  32, "walkmove", PF_walkmove },		// float(float yaw, float dist) walkmove
//	{  33, "fixme", PF_Fixme },				// float(float yaw, float dist) walkmove
	{  34, "droptofloor", PF_droptofloor },
	{  35, "lightstyle", PF_lightstyle },
	{  36, "rint", PF_rint },
	{  37, "floor", PF_floor },
	{  38, "ceil", PF_ceil },
//	{  39, "fixme", PF_Fixme },
	{  40, "checkbottom", PF_checkbottom },
	{  41, "pointcontents", PF_pointcontents },
//	{  42, "fixme", PF_Fixme },
	{  43, "fabs", PF_fabs },
	{  44, "aim", PF_aim },
	{  45, "cvar", PF_cvar },
	{  46, "localcmd", PF_localcmd },
	{  47, "nextent", PF_nextent },
	{  48, "particle", PF_particle },
	{  49, "ChangeYaw", PF_changeyaw },
//	{  50, "fixme", PF_Fixme },
	{  51, "vectoangles", PF_vectoangles },
	{  52, "WriteByte", PF_WriteByte },
	{  53, "WriteChar", PF_WriteChar },
	{  54, "WriteShort", PF_WriteShort },
	{  55, "WriteLong", PF_WriteLong },
	{  56, "WriteCoord", PF_WriteCoord },
	{  57, "WriteAngle", PF_WriteAngle },
	{  58, "WriteString", PF_WriteString },
	{  59, "WriteEntity", PF_WriteEntity },
	{  60, "sin", PF_sin },
	{  61, "cos", PF_cos },
	{  62, "sqrt", PF_sqrt },
	{  63, "changepitch", PF_changepitch },
	{  64, "TraceToss", PF_TraceToss },
	{  65, "etos", PF_etos },
//	{  66, "WaterMove", PF_WaterMove },
	{  67, "movetogoal", SV_MoveToGoal },
	{  68, "precache_file", PF_precache_file },
	{  69, "makestatic", PF_makestatic },
	{  70, "changelevel", PF_changelevel },
//	{  71, "fixme", PF_Fixme },
	{  72, "cvar_set", PF_cvar_set },
	{  73, "centerprint", PF_centerprint },
	{  74, "ambientsound", PF_ambientsound },
	{  75, "precache_model2", PF_precache_model },
	{  76, "precache_sound2", PF_precache_sound },	// precache_sound2 is different only for qcc
	{  77, "precache_file2", PF_precache_file },
	{  78, "setspawnparms", PF_setspawnparms },
//	{  79, "fixme", PF_FIXME},
//	{  80, "fixme", PF_FIXME},
	{  81, "stof", PF_stof },	// 2001-09-20 QuakeC string manipulation by FrikaC/Maddes

// 2001-11-15 DarkPlaces general builtin functions by Lord Havoc  start
	{  90, "tracebox", PF_tracebox },
	{  91, "randomvec", PF_randomvec },
//	{  92, "getlight", PF_GetLight },	// not implemented yet
//	{  93, "cvar_create", PF_cvar_create },		// 2001-09-18 New BuiltIn Function: cvar_create() by Maddes
	{  94, "fmin", PF_fmin },
	{  95, "fmax", PF_fmax },
	{  96, "fbound", PF_fbound },
	{  97, "fpow", PF_fpow },
	{  98, "findfloat", PF_FindFloat },
//	{  99, "extension_find", PF_extension_find },	// 2001-10-20 Extension System by Lord Havoc/Maddes
//	{   0, "checkextension", PF_extension_find },
	{ 100, "builtin_find", PF_builtin_find },		// 2001-09-14 Enhanced BuiltIn Function System (EBFS) by Maddes
	{ 101, "cmd_find", PF_cmd_find },				// 2001-09-16 New BuiltIn Function: cmd_find() by Maddes
	{ 102, "cvar_find", PF_cvar_find },				// 2001-09-16 New BuiltIn Function: cvar_find() by Maddes
	{ 103, "cvar_string", PF_cvar_string },			// 2001-09-16 New BuiltIn Function: cvar_string() by Maddes
//	{ 105, "cvar_free", PF_cvar_free },				// 2001-09-18 New BuiltIn Function: cvar_free() by Maddes
//	{ 106, "NVS_InitSVCMsg", PF_NVS_InitSVCMsg },	// 2000-05-02 NVS SVC by Maddes
	{ 107, "WriteFloat", PF_WriteFloat },			// 2001-09-16 New BuiltIn Function: WriteFloat() by Maddes
	{ 108, "etof", PF_etof },						// 2001-09-25 New BuiltIn Function: etof() by Maddes
	{ 109, "ftoe", PF_ftoe },						// 2001-09-25 New BuiltIn Function: ftoe() by Maddes
// 2001-09-20 QuakeC file access by FrikaC/Maddes  start
	{ 110, "fopen", PF_fopen },
	{ 111, "fclose", PF_fclose },
	{ 112, "fgets", PF_fgets },
	{ 113, "fputs", PF_fputs },
	{   0, "open", PF_fopen },						// 0 indicates that this entry is just for remapping (because of name and number change)
	{   0, "close", PF_fclose },
	{   0, "read", PF_fgets },
	{   0, "write", PF_fputs },
// 2001-09-20 QuakeC file access by FrikaC/Maddes  end

// 2001-09-20 QuakeC string manipulation by FrikaC/Maddes  start
	{ 114, "strlen", PF_strlen },
	{ 115, "strcat", PF_strcat },
	{ 116, "substring", PF_substring },
	{ 117, "stov", PF_stov },
	{ 118, "strzone", PF_strzone },
	{ 119, "strunzone", PF_strunzone },
	{   0, "zone", PF_strzone },		// 0 indicates that this entry is just for remapping (because of name and number change)
	{   0, "unzone", PF_strunzone },
// 2001-09-20 QuakeC string manipulation by FrikaC/Maddes  end

// 2001-11-15 DarkPlaces general builtin functions by LordHavoc  start
	{ 400, "copyentity", PF_copyentity },
	{ 401, "setcolor", PF_setcolor },
	{ 402, "findchain", PF_findchain },
	{ 403, "findchainfloat", PF_findchainfloat }
};

int pr_ebfs_numbuiltins = sizeof(pr_ebfs_builtins)/sizeof(pr_ebfs_builtins[0]);

// 2001-09-14 Enhanced BuiltIn Function System (EBFS) by Maddes  end
#else
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,

PF_sin,
PF_cos,
PF_sqrt,
PF_changepitch,
PF_TraceToss, // 65?
PF_etos,
PF_Fixme,

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]);

#endif


