#include "qwsvdef.h"
#include <windows.h>

#define	RETURN_EDICT(e) (((int *)pr_globals)[OFS_RETURN] = EDICT_TO_PROG(e))
#define	RETURN_STRING(s) (((int *)pr_globals)[OFS_RETURN] = s-pr_strings)

sizebuf_t *WriteDest (void);

#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
#define	MSG_MULTICAST	4		// for multicast()

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

						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);

	SV_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);
	
	SV_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);
//	VectorCopy (min, e->v.mins);
//	VectorCopy (max, e->v.maxs);
//	VectorSubtract (max, min, e->v.size);
//	SV_LinkEdict (e, false);
	SetMinMaxSize (e, min, max, false);
}


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

setmodel(entity, model)
Also sets size, mins, and maxs for inline bmodels
=================
*/
void PF_setmodel (void)
{
	edict_t	*e;
	char	*m, **check;
	int		i;
	model_t	*mod;

	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;

	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);

	/* rjr
// if it is an inline model, get the size information for it
	if (m[0] == '*')
	{
		mod = Mod_ForName (m, true);
		VectorCopy (mod->mins, e->v.mins);
		VectorCopy (mod->maxs, e->v.maxs);
		VectorSubtract (mod->maxs, mod->mins, e->v.size);
		SV_LinkEdict (e, false);
	}
*/
}

void PF_setpuzzlemodel (void)
{
	edict_t	*e;
	char	*m, **check;
	model_t	*mod;
	int		i;
	char	NewName[256];

	e = G_EDICT(OFS_PARM0);
	m = G_STRING(OFS_PARM1);

	sprintf(NewName,"models/puzzle/%s.mdl",m);
// check to see if model was properly precached
	for (i=0, check = sv.model_precache ; *check ; i++, check++)
		if (!strcmp(*check, NewName))
			break;
			
	e->v.model = ED_NewString (NewName) - pr_strings;

	if (!*check)
	{
//		PR_RunError ("no precache: %s\n", NewName);
		Con_Printf("**** NO PRECACHE FOR PUZZLE PIECE:");
		Con_Printf("**** %s\n",NewName);

		sv.model_precache[i] = e->v.model + pr_strings;
		sv.models[i] = Mod_ForName (NewName, true);
	}
		
	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;
	int			level;
	
	level = G_FLOAT(OFS_PARM0);

	s = PF_VarString(1);

	if (spartanPrint.value == 1 && level < 2)
		return;

	SV_BroadcastPrintf (level, "%s", s);
}

/*
=================
PF_sprint

single print to a specific client

sprint(clientent, value)
=================
*/
void PF_sprint (void)
{
	char		*s;
	client_t	*client;
	int			entnum;
	int			level;
	
	entnum = G_EDICTNUM(OFS_PARM0);
	level = G_FLOAT(OFS_PARM1);

	s = PF_VarString(2);
	
	if (entnum < 1 || entnum > MAX_CLIENTS)
	{
		Con_Printf ("tried to sprint to a non-client\n");
		return;
	}
		
	client = &svs.clients[entnum-1];

	if (spartanPrint.value == 1 && level < 2)
		return;

	
	SV_ClientPrintf (client, level, "%s", s);
}

/*
=================
PF_name_print

print player's name

name_print(to, level, who)
=================
*/
void PF_name_print (void)
{
	int Index,Style;

//	plaquemessage = G_STRING(OFS_PARM0);

	Index = ((int)G_EDICTNUM(OFS_PARM2));
	Style = ((int)G_FLOAT(OFS_PARM1));


	if (spartanPrint.value == 1 && Style < 2)
		return;

	if (Index <= 0)
		PR_RunError ("PF_name_print: index(%d) <= 0",Index);

	if (Index > MAX_CLIENTS)
		PR_RunError ("PF_name_print: index(%d) > MAX_CLIENTS",Index);


	if ((int)G_FLOAT(OFS_PARM0)==MSG_BROADCAST)//broadcast message--send like bprint, print it out on server too.
	{
		client_t	*cl;
		int			i;
		
		Sys_Printf("%s",&svs.clients[Index-1].name);

		for (i=0, cl = svs.clients ; i<MAX_CLIENTS ; i++, cl++)
		{
			if (Style < cl->messagelevel)
				continue;
			if (cl->state != cs_spawned)//should i be checking cs_connected too?
			{
				if (cl->state)//not fully in so won't know name yet, explicitly say the name
				{
					MSG_WriteByte (&cl->netchan.message, svc_print);
					MSG_WriteByte (&cl->netchan.message, Style);
					MSG_WriteString (&cl->netchan.message, (char *)&svs.clients[Index-1].name);
				}
				continue;
			}
			MSG_WriteByte (&cl->netchan.message, svc_name_print);
			MSG_WriteByte (&cl->netchan.message, Style);
			MSG_WriteByte (&cl->netchan.message, Index-1);//knows the name, send the index.
		}
		return;
	}

	MSG_WriteByte (WriteDest(), svc_name_print);
	MSG_WriteByte (WriteDest(), Style);
	MSG_WriteByte (WriteDest(), Index-1);//heh, don't need a short here.
}



/*
=================
PF_print_indexed

print string from strings.txt

print_indexed(to, level, index)
=================
*/
void PF_print_indexed (void)
{
	int Index,Style;

//	plaquemessage = G_STRING(OFS_PARM0);

	Index = ((int)G_FLOAT(OFS_PARM2));
	Style = ((int)G_FLOAT(OFS_PARM1));

	if (spartanPrint.value == 1 && Style < 2)
		return;

	if (Index <= 0)
		PR_RunError ("PF_sprint_indexed: index(%d) < 1",Index);

	if (Index > pr_string_count)
		PR_RunError ("PF_sprint_indexed: index(%d) >= pr_string_count(%d)",Index,pr_string_count);

	if ((int)G_FLOAT(OFS_PARM0)==MSG_BROADCAST)//broadcast message--send like bprint, print it out on server too.
	{
		client_t	*cl;
		int			i;
		
		Sys_Printf("%s",&pr_global_strings[pr_string_index[Index-1]]);

		for (i=0, cl = svs.clients ; i<MAX_CLIENTS ; i++, cl++)
		{
			if (Style < cl->messagelevel)
				continue;
			if (!cl->state)
				continue;
			MSG_WriteByte (&cl->netchan.message, svc_indexed_print);
			MSG_WriteByte (&cl->netchan.message, Style);
			MSG_WriteShort (&cl->netchan.message, Index);
		}
		return;
	}

	MSG_WriteByte (WriteDest(), svc_indexed_print);
	MSG_WriteByte (WriteDest(), Style);
	MSG_WriteShort (WriteDest(), Index);
}



/*
=================
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 > MAX_CLIENTS)
	{
		Con_Printf ("tried to sprint to a non-client\n");
		return;
	}
		
	client = &svs.clients[entnum-1];
		
	MSG_WriteChar (&client->netchan.message,svc_centerprint);
	MSG_WriteString (&client->netchan.message, s );
}


/*
=================
PF_bcenterprint2

single print to all

bcenterprint2(value, value)
=================
*/
void PF_bcenterprint2 (void)
{
	char		*s;
	client_t	*cl;
	int			i;
	
	s = PF_VarString(0);
	
	for (i=0, cl = svs.clients ; i<MAX_CLIENTS ; i++, cl++)
	{
		if (!cl->state)
			continue;
		MSG_WriteByte (&cl->netchan.message, svc_centerprint);
		MSG_WriteString (&cl->netchan.message, s);
	}
}

/*
=================
PF_centerprint2

single print to a specific client

centerprint(clientent, value, value)
=================
*/
void PF_centerprint2 (void)
{
	char		*s;
	client_t	*client;
	int			entnum;
	
	entnum = G_EDICTNUM(OFS_PARM0);
	s = PF_VarString(1);
	
	if (entnum < 1 || entnum > MAX_CLIENTS)
	{
		Con_Printf ("tried to sprint to a non-client\n");
		return;
	}
		
	client = &svs.clients[entnum-1];
		
	MSG_WriteChar (&client->netchan.message,svc_centerprint);
	MSG_WriteString (&client->netchan.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_vhlen

scalar vhlen(vector)
=================
*/
void PF_vhlen (void)
{
	float	*value1;
	float	new;
	
	value1 = G_VECTOR(OFS_PARM0);

	new = value1[0] * value1[0] + value1[1] * value1[1];
	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_particle2

particle(origin, dmin, dmax, color, effect, count)
=================
*/
void PF_particle2 (void)
{
	float		*org, *dmin, *dmax;
	float		color;
	float		count;
	float    effect;

	org = G_VECTOR(OFS_PARM0);
	dmin = G_VECTOR(OFS_PARM1);
	dmax = G_VECTOR(OFS_PARM2);
	color = G_FLOAT(OFS_PARM3);
	effect = G_FLOAT(OFS_PARM4);
	count = G_FLOAT(OFS_PARM5);
	SV_StartParticle2 (org, dmin, dmax, color, effect, count);
}


/*
=================
PF_particle3

particle(origin, box, color, effect, count)
=================
*/
void PF_particle3 (void)
{
	float		*org, *box;
	float		color;
	float		count;
	float    effect;

	org = G_VECTOR(OFS_PARM0);
	box = G_VECTOR(OFS_PARM1);
	color = G_FLOAT(OFS_PARM2);
	effect = G_FLOAT(OFS_PARM3);
	count = G_FLOAT(OFS_PARM4);
	SV_StartParticle3 (org, box, color, effect, count);
}

/*
=================
PF_particle4

particle(origin, radius, color, effect, count)
=================
*/
void PF_particle4 (void)
{
	float		*org;
	float		radius;
	float		color;
	float		count;
	float    effect;

	org = G_VECTOR(OFS_PARM0);
	radius = G_FLOAT(OFS_PARM1);
	color = G_FLOAT(OFS_PARM2);
	effect = G_FLOAT(OFS_PARM3);
	count = G_FLOAT(OFS_PARM4);
	SV_StartParticle4 (org, radius, color, effect, 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_StopSound
	stop ent's sound on this chan
=================
*/
void PF_StopSound(void)
{
	int			channel;
	edict_t		*entity;
		
	entity = G_EDICT(OFS_PARM0);
	channel = G_FLOAT(OFS_PARM1);
	
	if (channel < 0 || channel > 7)
		Sys_Error ("SV_StartSound: channel = %i", channel);

	SV_StopSound (entity, channel);
}

/*
=================
PF_UpdateSoundPos
	sends cur pos to client to update this ent/chan pair
=================
*/
void PF_UpdateSoundPos(void)
{
	int			channel;
	edict_t		*entity;
		
	entity = G_EDICT(OFS_PARM0);
	channel = G_FLOAT(OFS_PARM1);
	
	if (channel < 0 || channel > 7)
		Sys_Error ("SV_StartSound: channel = %i", channel);

	SV_UpdateSoundPos (entity, channel);
}

/*
=================
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);
	
	SV_StartSound (entity, channel, sample, volume, attenuation);
}

/*
=================
PF_break

break()
=================
*/
void PF_break (void)
{
	static qboolean DidIt = false;

	if (!DidIt)
	{	
		DidIt = true;

		Con_Printf ("break statement\n");
		DebugBreak();
		//*(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;
	float save_hull;

	v1 = G_VECTOR(OFS_PARM0);
	v2 = G_VECTOR(OFS_PARM1);
	nomonsters = G_FLOAT(OFS_PARM2);
	ent = G_EDICT(OFS_PARM3);

	save_hull = ent->v.hull;
	ent->v.hull = 0;
	trace = SV_Move (v1, vec3_origin, vec3_origin, v2, nomonsters, ent);
	ent->v.hull = save_hull;

	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_tracearea

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.

tracearea (vector1, vector2, mins, maxs, tryents)
=================
*/
void PF_tracearea (void)
{
	float	*v1, *v2, *mins, *maxs;
	trace_t	trace;
	int		nomonsters;
	edict_t	*ent;
	float save_hull;

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

	save_hull = ent->v.hull;
	ent->v.hull = 0;
	trace = SV_Move (v1, mins, maxs, v2, nomonsters, ent);
	ent->v.hull = save_hull;

	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 > MAX_CLIENTS)
		check = MAX_CLIENTS;

	if (check == MAX_CLIENTS)
		i = 1;
	else
		i = check + 1;

	for ( ;  ; i++)
	{
		if (i == MAX_CLIENTS+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 >= HX_FRAME_TIME)
	{
		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 > MAX_CLIENTS)
		PR_RunError ("Parm 0 not a client");
	str = G_STRING(OFS_PARM1);	
	
	old = host_client;
	host_client = &svs.clients[entnum-1];

	MSG_WriteByte (&host_client->netchan.message, svc_stufftext);
	MSG_WriteString (&host_client->netchan.message, 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_Printf ("%s",PF_VarString(0));
}

void PF_dprintf (void)
{
	char temp[256];
	float	v;

	v = G_FLOAT(OFS_PARM1);

	if (v == (int)v)
		sprintf (temp, "%d",(int)v);
	else
		sprintf (temp, "%5.1f",v);

	Con_Printf (G_STRING(OFS_PARM0),temp);
}

void PF_dprintv (void)
{
	char temp[256];

	sprintf (temp, "'%5.1f %5.1f %5.1f'", G_VECTOR(OFS_PARM1)[0], G_VECTOR(OFS_PARM1)[1], G_VECTOR(OFS_PARM1)[2]);

	Con_Printf (G_STRING(OFS_PARM0),temp);
}

char	pr_string_temp[1024];

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) = fastfabs(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_SpawnTemp (void)
{
	edict_t	*ed;

	ed = ED_Alloc_Temp();

	RETURN_EDICT(ed);
}

void PF_Remove (void)
{
	edict_t	*ed;
	int i;
	
	ed = G_EDICT(OFS_PARM0);
	if (ed == sv.edicts)
	{
		Con_Printf("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 <= MAX_CLIENTS)
	{
		Con_Printf("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)
#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 PF_FindFloat (void)
{
	int		e;	
	int		f;
	float	s, t;
	edict_t	*ed;

	e = G_EDICTNUM(OFS_PARM0);
	f = G_INT(OFS_PARM1);
	s = G_FLOAT(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_FLOAT(ed,f);
		if (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 && !ignore_precache)
		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_sound2 (void)
{
	if (!registered.value)
		return;

	PF_precache_sound();
}

void PF_precache_sound3 (void)
{
	if (!registered.value && !oem.value)
		return;

	PF_precache_sound();
}

void PF_precache_model (void)
{
	char	*s;
	int		i;
	
	if (sv.state != ss_loading && !ignore_precache)
		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_precache_model2 (void)
{
	if (!registered.value)
		return;

	PF_precache_model();
}

void PF_precache_model3 (void)
{
	if (!registered.value && !oem.value)
		return;

	PF_precache_model();
}

void PF_precache_puzzle_model (void)
{
	int		i;
	char	*s,temp[256],*m;
	
	if (sv.state != ss_loading && !ignore_precache)
		PR_RunError ("PF_Precache_*: Precache can only be done in spawn functions");
		
	m = G_STRING(OFS_PARM0);
	G_INT(OFS_RETURN) = G_INT(OFS_PARM0);

	sprintf(temp,"models/puzzle/%s.mdl",m);
	s = ED_NewString (temp);

	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_puzzle_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;
	qboolean set_trace;
	
	ent = PROG_TO_EDICT(pr_global_struct->self);
	yaw = G_FLOAT(OFS_PARM0);
	dist = G_FLOAT(OFS_PARM1);
	set_trace = G_FLOAT(OFS_PARM2);
	
	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, true, set_trace);
	
	
// 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<MAX_CLIENTS ; j++, client++)
		if ( client->state == cs_spawned )
		{
			MSG_WriteChar (&client->netchan.message, svc_lightstyle);
			MSG_WriteChar (&client->netchan.message,style);
			MSG_WriteString (&client->netchan.message, val);
		}
}

//==========================================================================
//
// PF_lightstylevalue
//
// void lightstylevalue(float style);
//
//==========================================================================


//extern 
int d_lightstylevalue[256];

// rjr
//I need this!  MG
void PF_lightstylevalue(void)
{
	int style;

	style = G_FLOAT(OFS_PARM0);
	if(style < 0 || style >= MAX_LIGHTSTYLES)
	{
		G_FLOAT(OFS_RETURN) = 0;
		return;
	}

	//G_FLOAT(OFS_RETURN) = 0;//
	G_FLOAT(OFS_RETURN) = (int)d_lightstylevalue[style];
}


//==========================================================================
//
// PF_lightstylestatic
//
// void lightstylestatic(float style, float value);
//
//==========================================================================

void PF_lightstylestatic(void)
{
	int j;
	int value;
	int styleNumber;
	char *styleString;
	client_t *client;
	static char *styleDefs[] =
	{
		"a", "b", "c", "d", "e", "f", "g",
		"h", "i", "j", "k", "l", "m", "n",
		"o", "p", "q", "r", "s", "t", "u",
		"v", "w", "x", "y", "z"
	};

	styleNumber = G_FLOAT(OFS_PARM0);
	value = G_FLOAT(OFS_PARM1);
	if(value < 0)
	{
		value = 0;
	}
	else if(value > 'z'-'a')
	{
		value = 'z'-'a';
	}
	styleString = styleDefs[value];

	// Change the string in sv
	sv.lightstyles[styleNumber] = styleString;
	d_lightstylevalue[styleNumber] = value;

	if(sv.state != ss_active)
	{
		return;
	}

	// Send message to all clients on this server
	for (j=0, client = svs.clients ; j<MAX_CLIENTS ; j++, client++)
		if ( client->state == cs_spawned )
		{
			MSG_WriteChar (&client->netchan.message, svc_lightstyle);
			MSG_WriteChar (&client->netchan.message, styleNumber);
			MSG_WriteString (&client->netchan.message, styleString);
		}
}

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,hold_org;
	int		i, j;
	trace_t	tr;
	float	dist, bestdist;
	float	speed;
	float	*shot_org;
	float	save_hull;

	ent = G_EDICT(OFS_PARM0);
	shot_org = G_VECTOR(OFS_PARM1);
	speed = G_FLOAT(OFS_PARM2);

//	VectorCopy (ent->v.origin, start);
	VectorCopy (shot_org, start);
	start[2] += 20;

// try sending a trace straight
	VectorCopy (pr_global_struct->v_forward, dir);
	VectorMA (start, 2048, dir, end);
	save_hull = ent->v.hull;
	ent->v.hull = 0;
	tr = SV_Move (start, vec3_origin, vec3_origin, end, false, ent);
	ent->v.hull = save_hull;
	if (tr.ent && tr.ent->v.takedamage == DAMAGE_YES
	&& (!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_YES)
			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
		save_hull = ent->v.hull;
		ent->v.hull = 0;
		tr = SV_Move (start, vec3_origin, vec3_origin, end, false, ent);
		ent->v.hull = save_hull;
		if (tr.ent == check)
		{	// can shoot at this one
			bestdist = dist;
			bestent = check;
		}
	}
	
	if (bestent)
	{	// Since all origins are at the base, move the point to the middle of the victim model
		hold_org[0] =bestent->v.origin[0]; 
		hold_org[1] =bestent->v.origin[1]; 
		hold_org[2] =bestent->v.origin[2] + (0.5 * bestent->v.maxs[2]);

		VectorSubtract (hold_org,shot_org,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);
}

#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

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

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 > MAX_CLIENTS)
			PR_RunError ("WriteDest: not a client");
		return &svs.clients[entnum-1].netchan.message;
		
	case MSG_ALL:
		return &sv.reliable_datagram;
	
	case MSG_INIT:
		if (sv.state != ss_loading)
			PR_RunError ("PF_Write_*: MSG_INIT can only be written in spawn functions");
		return &sv.signon;

	case MSG_MULTICAST:
		return &sv.multicast;

	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_WriteShort (&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);
	MSG_WriteByte (&sv.signon, (int)(ent->v.scale*100.0)&255);
	MSG_WriteByte (&sv.signon, ent->v.drawflags);
	MSG_WriteByte (&sv.signon, (int)(ent->v.abslight*255.0)&255);
	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 > MAX_CLIENTS)
		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 QUAKE2RJ
	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("map %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
}


/*
==============
PF_logfrag

logfrag (killer, killee)
==============
*/
void PF_logfrag (void)
{
	edict_t	*ent1, *ent2;
	int		e1, e2;
	char	*s;

	ent1 = G_EDICT(OFS_PARM0);
	ent2 = G_EDICT(OFS_PARM1);

	e1 = NUM_FOR_EDICT(ent1);
	e2 = NUM_FOR_EDICT(ent2);
	
	if (e1 < 1 || e1 > MAX_CLIENTS
	|| e2 < 1 || e2 > MAX_CLIENTS)
		return;
	
	s = va("\\%s\\%s\\\n",svs.clients[e1-1].name, svs.clients[e2-1].name);

	SZ_Print (&svs.log[svs.logsequence&1], s);
	if (sv_fraglogfile)
		fprintf (sv_fraglogfile, s);
}


/*
==============
PF_infokey

string(entity e, string key) infokey
==============
*/
void PF_infokey (void)
{
	edict_t	*e;
	int		e1;
	char	*value;
	char	*key;

	e = G_EDICT(OFS_PARM0);
	e1 = NUM_FOR_EDICT(e);
	key = G_STRING(OFS_PARM1);

	if (e1 == 0) {
		if ((value = Info_ValueForKey (svs.info, key)) == NULL ||
			!*value)
			value = Info_ValueForKey(localinfo, key);
	} else if (e1 <= MAX_CLIENTS)
		value = Info_ValueForKey (svs.clients[e1-1].userinfo, key);
	else
		value = "";

	RETURN_STRING(value);
}

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

float(string s) stof
==============
*/
void PF_stof (void)
{
	char	*s;

	s = G_STRING(OFS_PARM0);

	G_FLOAT(OFS_RETURN) = atof(s);
}


/*
==============
PF_multicast

void(vector where, float set) multicast
==============
*/
void PF_multicast (void)
{
	float	*o;
	int		to;

	o = G_VECTOR(OFS_PARM0);
	to = G_FLOAT(OFS_PARM1);

	SV_Multicast (o, to);
}


void PF_sqrt (void)
{
	G_FLOAT(OFS_RETURN) = sqrt(G_FLOAT(OFS_PARM0));
}

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


void PF_plaque_draw (void)
{
	int Index;

//	plaquemessage = G_STRING(OFS_PARM0);

	Index = ((int)G_FLOAT(OFS_PARM1));

	if (Index < 0)
		PR_RunError ("PF_plaque_draw: index(%d) < 1",Index);

	if (Index > pr_string_count)
		PR_RunError ("PF_plaque_draw: index(%d) >= pr_string_count(%d)",Index,pr_string_count);

	MSG_WriteByte (WriteDest(), svc_plaque);
	MSG_WriteShort (WriteDest(), Index);
}

void PF_rain_go (void)
{
	float	*min_org,*max_org,*e_size;
	float	*dir;
	vec3_t	org,org2;
	int		color,count,x_dir,y_dir;

	min_org = G_VECTOR (OFS_PARM0);
	max_org = G_VECTOR (OFS_PARM1);
	e_size  = G_VECTOR (OFS_PARM2);
	dir		= G_VECTOR (OFS_PARM3);
	color	= G_FLOAT (OFS_PARM4);
	count = G_FLOAT (OFS_PARM5);

	org[0] = min_org[0];
	org[1] = min_org[1];
	org[2] = max_org[2];

	org2[0] = e_size[0];
	org2[1] = e_size[1];
	org2[2] = e_size[2];

	x_dir = dir[0];
	y_dir = dir[1];
	
	SV_StartRainEffect (org,org2,x_dir,y_dir,color,count);
}

void PF_particleexplosion (void)
{
	float *org;
	int color,radius,counter;

	org = G_VECTOR(OFS_PARM0);
	color = G_FLOAT(OFS_PARM1);
	radius = G_FLOAT(OFS_PARM2);
	counter = G_FLOAT(OFS_PARM3);

	MSG_WriteByte(&sv.datagram, svc_particle_explosion);
	MSG_WriteCoord(&sv.datagram, org[0]);
	MSG_WriteCoord(&sv.datagram, org[1]);
	MSG_WriteCoord(&sv.datagram, org[2]);
	MSG_WriteShort(&sv.datagram, color);
	MSG_WriteShort(&sv.datagram, radius);
	MSG_WriteShort(&sv.datagram, counter);
}

void PF_movestep (void)
{
	vec3_t v;
	edict_t	*ent;
	dfunction_t	*oldf;
	int 	oldself;
	qboolean set_trace;

	ent = PROG_TO_EDICT(pr_global_struct->self);

	v[0] = G_FLOAT(OFS_PARM0);
	v[1] = G_FLOAT(OFS_PARM1);
	v[2] = G_FLOAT(OFS_PARM2);
	set_trace = G_FLOAT(OFS_PARM3);

// save program state, because SV_movestep may call other progs
	oldf = pr_xfunction;
	oldself = pr_global_struct->self;

	G_INT(OFS_RETURN) = SV_movestep (ent, v, false, true, set_trace);

// restore program state
	pr_xfunction = oldf;
	pr_global_struct->self = oldself;
}

/*
#define MAX_LEVELS 10

int PaladinExp[MAX_LEVELS+1] =
{
	0,				// Level 1
	500,        // Level 2
	1000,       // Level 3
	1500,       // Level 4
	2000,       // Level 5
	2500,       // Level 6
	3000,       // Level 7
	3500,       // Level 8
	4000,       // Level 9
	4500,       // Level 10
	1000        // Required amount for each level afterwards
};

int ClericExp[MAX_LEVELS+1] =
{
	0,				// Level 1
	500,        // Level 2
	1000,       // Level 3
	1500,       // Level 4
	2000,       // Level 5
	2500,       // Level 6
	3000,       // Level 7
	3500,       // Level 8
	4000,       // Level 9
	4500,       // Level 10
	1000        // Required amount for each level afterwards
};

int NecroExp[MAX_LEVELS+1] =
{
	0,				// Level 1
	500,        // Level 2
	1000,       // Level 3
	1500,       // Level 4
	2000,       // Level 5
	2500,       // Level 6
	3000,       // Level 7
	3500,       // Level 8
	4000,       // Level 9
	4500,       // Level 10
	1000        // Required amount for each level afterwards
};

int TheifExp[MAX_LEVELS+1] =
{
	0,				// Level 1
	500,        // Level 2
	1000,       // Level 3
	1500,       // Level 4
	2000,       // Level 5
	2500,       // Level 6
	3000,       // Level 7
	3500,       // Level 8
	4000,       // Level 9
	4500,       // Level 10
	1000        // Required amount for each level afterwards
};

int FindLevel(edict_t *WhichPlayer)
{
	int *Chart;
	int Amount,counter,Level;

	switch((int)WhichPlayer->v.playerclass)
	{
		case CLASS_PALADIN:
			Chart = PaladinExp;
			break;
		case CLASS_CLERIC:
			Chart = ClericExp;
			break;
		case CLASS_NECROMANCER:
			Chart = NecroExp;
			break;
		case CLASS_THEIF:
			Chart = TheifExp;
			break;
	}

	Level = 0;
	for(counter=0;counter<MAX_LEVELS;counter++)
	{
		if (WhichPlayer->v.experience <= Chart[counter])
		{
			Level = counter+1;
			break;
		}
	}

	if (!Level)
	{
		Amount = WhichPlayer->v.experience - Chart[MAX_LEVELS-1];
		Level = (Amount % Chart[MAX_LEVELS]) + MAX_LEVELS;
	}

	return Level;
}

void PF_AwardExperience(void)
{
	edict_t	*ToEnt, *FromEnt;
	float Amount;
	int AfterLevel;
	qboolean IsPlayer;
//	client_t	*client;
	int			entnum;
//	char temp[200];
	globalvars_t	pr_save;
	
	ToEnt = G_EDICT(OFS_PARM0);
	FromEnt = G_EDICT(OFS_PARM1);
	Amount = G_FLOAT(OFS_PARM2);

	if (!Amount) return;

	IsPlayer = (strcmpi(ToEnt->v.classname + pr_strings, "player") == 0);

	if (FromEnt && Amount == 0.0)
	{
		Amount = FromEnt->v.experience_value;
	}

	ToEnt->v.experience += Amount;

	if (IsPlayer)
	{
		AfterLevel = FindLevel(ToEnt);

		Con_Printf("Total Experience: %d\n",(int)ToEnt->v.experience);

		if (ToEnt->v.level != AfterLevel)
		{
			ToEnt->v.level = AfterLevel;
			entnum = NUM_FOR_EDICT(ToEnt);

			if (entnum >= 1 && entnum <= svs.maxclients)
			{	
				pr_save = *pr_global_struct;
				pr_global_struct->time = sv.time;
				pr_global_struct->self = EDICT_TO_PROG(ToEnt);
				PR_ExecuteProgram (pr_global_struct->PlayerAdvanceLevel);

				*pr_global_struct = pr_save;
			
			}
		}
	}
}

*/

/*				client = &svs.clients[entnum-1];

				sprintf(temp,"You are now level %d\n",AfterLevel);
	
				MSG_WriteChar (&client->message,svc_print);
				MSG_WriteString (&client->message, temp );
*/

void PF_Cos(void)
{
	float angle;

	angle = G_FLOAT(OFS_PARM0);

	angle = angle*M_PI*2 / 360;
	
	G_FLOAT(OFS_RETURN) = cos(angle);
}

void PF_Sin(void)
{
	float angle;

	angle = G_FLOAT(OFS_PARM0);

	angle = angle*M_PI*2 / 360;
	
	G_FLOAT(OFS_RETURN) = sin(angle);
}

void PF_AdvanceFrame(void)
{
	edict_t *Ent;
	float Start,End,Result;
	
	Ent = PROG_TO_EDICT(pr_global_struct->self);
	Start = G_FLOAT(OFS_PARM0);
	End = G_FLOAT(OFS_PARM1);

	if ((Start<End&&(Ent->v.frame < Start || Ent->v.frame > End))||
		(Start>End&&(Ent->v.frame > Start || Ent->v.frame < End)))
	{ // Didn't start in the range
		Ent->v.frame = Start;
		Result = 0;
	}
	else if(Ent->v.frame == End)
	{  // Wrapping
		Ent->v.frame = Start;
		Result = 1;
	}
	else if(End>Start)
	{  // Regular Advance
		Ent->v.frame++;
		if (Ent->v.frame == End) 
			Result = 2;
		else 
			Result = 0;
	}
	else if(End<Start)
	{  // Reverse Advance
		Ent->v.frame--;
		if (Ent->v.frame == End)
			Result = 2;
		else
			Result = 0;
	}
	else
	{
		Ent->v.frame=End;
		Result = 1;
	}

	G_FLOAT(OFS_RETURN) = Result;
}

void PF_RewindFrame(void)
{
	edict_t *Ent;
	float Start,End,Result;
	
	Ent = PROG_TO_EDICT(pr_global_struct->self);
	Start = G_FLOAT(OFS_PARM0);
	End = G_FLOAT(OFS_PARM1);

	if (Ent->v.frame > Start || Ent->v.frame < End)
	{ // Didn't start in the range
		Ent->v.frame = Start;
		Result = 0;
	}
	else if(Ent->v.frame == End)
	{  // Wrapping
		Ent->v.frame = Start;
		Result = 1;
	}
	else
	{  // Regular Advance
		Ent->v.frame--;
		if (Ent->v.frame == End) Result = 2;
		else Result = 0;
	}

	G_FLOAT(OFS_RETURN) = Result;
}

#define WF_NORMAL_ADVANCE 0
#define WF_CYCLE_STARTED 1
#define WF_CYCLE_WRAPPED 2
#define WF_LAST_FRAME 3

void PF_advanceweaponframe (void)
{
	edict_t *ent;
	float startframe,endframe,Result;
	float state;

	ent = PROG_TO_EDICT(pr_global_struct->self);
	startframe = G_FLOAT(OFS_PARM0);
	endframe = G_FLOAT(OFS_PARM1);

	if ((endframe > startframe && (ent->v.weaponframe > endframe || ent->v.weaponframe < startframe)) ||
	(endframe < startframe && (ent->v.weaponframe < endframe || ent->v.weaponframe > startframe)) )
	{
		ent->v.weaponframe=startframe;
		state = WF_CYCLE_STARTED;
	}
	else if(ent->v.weaponframe==endframe)
	{			  
		ent->v.weaponframe=startframe;
		state = WF_CYCLE_WRAPPED;
	}
	else
	{
		if (startframe > endframe)
			ent->v.weaponframe = ent->v.weaponframe - 1;
		else if (startframe < endframe)
			ent->v.weaponframe = ent->v.weaponframe + 1;

		if (ent->v.weaponframe==endframe)
			state = WF_LAST_FRAME;
		else 
			state = WF_NORMAL_ADVANCE;
	}

	G_FLOAT(OFS_RETURN) = state;
}

void PF_setclass (void)
{
	float		NewClass;
	int			entnum;
	edict_t		*e;
	client_t	*client,*old;
	char		temp[1024];
	
	entnum = G_EDICTNUM(OFS_PARM0);
	e = G_EDICT(OFS_PARM0);
	NewClass = G_FLOAT(OFS_PARM1);
	
	if (entnum < 1 || entnum > MAX_CLIENTS)
	{
		Con_Printf ("tried to change class of a non-client\n");
		return;
	}

	client = &svs.clients[entnum-1];

	old = host_client;
	host_client = client;

	if(NewClass>CLASS_DEMON&&dmMode.value!=DM_SIEGE)
		NewClass = CLASS_PALADIN;

	e->v.playerclass = NewClass;
	host_client->playerclass = NewClass;

	sprintf(temp,"%d",(int)NewClass);
	Info_SetValueForKey (host_client->userinfo, "playerclass", temp, MAX_INFO_STRING);
	strncpy (host_client->name, Info_ValueForKey (host_client->userinfo, "name")
		, sizeof(host_client->name)-1);	
	host_client->sendinfo = true;

	// process any changed values
//	SV_ExtractFromUserinfo (host_client);

	//update everyone else about playerclass change
	MSG_WriteByte (&sv.reliable_datagram, svc_updatepclass);
	MSG_WriteByte (&sv.reliable_datagram, entnum - 1);
	MSG_WriteByte (&sv.reliable_datagram, ((host_client->playerclass<<5)|((int)e->v.level&31)));
	host_client = old;
}

void PF_setsiegeteam (void)
{
	float		NewTeam;
	int			entnum;
	edict_t		*e;
	client_t	*client,*old;
	char		temp[1024];
	
	entnum = G_EDICTNUM(OFS_PARM0);
	e = G_EDICT(OFS_PARM0);
	NewTeam = G_FLOAT(OFS_PARM1);
	
	if (entnum < 1 || entnum > MAX_CLIENTS)
	{
		Con_Printf ("tried to change siege_team of a non-client\n");
		return;
	}

	client = &svs.clients[entnum-1];

	old = host_client;
	host_client = client;

	e->v.siege_team = NewTeam;
	host_client->siege_team = NewTeam;

//???
//	sprintf(temp,"%d",(int)NewTeam);
//	Info_SetValueForKey (host_client->userinfo, "playerclass", temp, MAX_INFO_STRING);
//	strncpy (host_client->name, Info_ValueForKey (host_client->userinfo, "name")
//		, sizeof(host_client->name)-1);	
//	host_client->sendinfo = true;

	//update everyone else about playerclass change
	MSG_WriteByte (&sv.reliable_datagram, svc_updatesiegeteam);
	MSG_WriteByte (&sv.reliable_datagram, entnum - 1);
	MSG_WriteByte (&sv.reliable_datagram, host_client->siege_team);
	host_client = old;
}

void PF_updateSiegeInfo (void)
{
int			j;
client_t	*client;

	for (j=0, client = svs.clients ; j<MAX_CLIENTS ; j++, client++)
	{
		if (client->state < cs_connected)
			continue;
		MSG_WriteByte (&client->netchan.message, svc_updatesiegeinfo);
		MSG_WriteByte (&client->netchan.message, (int)ceil(timelimit.value));
		MSG_WriteByte (&client->netchan.message, (int)ceil(fraglimit.value));
	}
}

void PF_starteffect (void)
{
	SV_ParseEffect(NULL);
}

void PF_endeffect (void)
{
	float holdindex;
	int index;

	index = G_FLOAT(OFS_PARM0);
	index = G_FLOAT(OFS_PARM1);

	if (!sv.Effects[index].type) return;

	sv.Effects[index].type = 0;
	MSG_WriteByte (&sv.multicast, svc_end_effect);
	MSG_WriteByte (&sv.multicast, index);
	SV_Multicast (vec3_origin, MULTICAST_ALL_R);
}

void PF_turneffect (void)
{
	float *dir, *pos;
	int index;

	index = G_FLOAT(OFS_PARM0);
	pos = G_VECTOR(OFS_PARM1);
	dir = G_VECTOR(OFS_PARM2);

	if(!sv.Effects[index].type) return;
	VectorCopy(pos, sv.Effects[index].Missile.origin);
	VectorCopy(dir, sv.Effects[index].Missile.velocity);

	MSG_WriteByte (&sv.multicast, svc_turn_effect);
	MSG_WriteByte (&sv.multicast, index);
	MSG_WriteFloat(&sv.multicast, sv.time);
	MSG_WriteCoord(&sv.multicast, pos[0]);
	MSG_WriteCoord(&sv.multicast, pos[1]);
	MSG_WriteCoord(&sv.multicast, pos[2]);
	MSG_WriteCoord(&sv.multicast, dir[0]);
	MSG_WriteCoord(&sv.multicast, dir[1]);
	MSG_WriteCoord(&sv.multicast, dir[2]);

	SV_MulticastSpecific (sv.Effects[index].client_list, true);
}

void PF_updateeffect (void)//type-specific what this will send
{
	int index,type,cmd;
	float speed;
	vec3_t tvec,forward,right,up;

	index = G_FLOAT(OFS_PARM0);// the effect we're lookin to change is parm 0
	type = G_FLOAT(OFS_PARM1);// the type of effect that it had better be is parm 1

	if(!sv.Effects[index].type) return;

	if(sv.Effects[index].type != type) return;

	//common writing--PLEASE use sent type when determining how much and what to read, so it's safe
	MSG_WriteByte (&sv.multicast, svc_update_effect);
	MSG_WriteByte (&sv.multicast, index);//
	MSG_WriteByte (&sv.multicast, type);//paranoia alert--make sure client reads the correct number of bytes

	switch (type)
	{
	case CE_SCARABCHAIN://new ent to be attached to--pass in 0 for chain retract
		sv.Effects[index].Chain.owner = G_INT(OFS_PARM2)&0x0fff;
		sv.Effects[index].Chain.material = G_INT(OFS_PARM2)>>12;

		if (sv.Effects[index].Chain.owner)
			sv.Effects[index].Chain.state = 1;
		else
			sv.Effects[index].Chain.state = 2;

		MSG_WriteShort (&sv.multicast, G_EDICTNUM(OFS_PARM2));
		break;
	case CE_HWSHEEPINATOR:
	case CE_HWXBOWSHOOT:
		cmd = G_FLOAT(OFS_PARM2);
		MSG_WriteByte (&sv.multicast, cmd);
		if (cmd & 1)
		{
			sv.Effects[index].Xbow.activebolts &= ~(1<<((cmd>>4)&7));
			MSG_WriteCoord (&sv.multicast, G_FLOAT(OFS_PARM3));
		}
		else
		{
			sv.Effects[index].Xbow.vel[(cmd>>4)&7][0] = G_FLOAT(OFS_PARM3);
			sv.Effects[index].Xbow.vel[(cmd>>4)&7][1] = G_FLOAT(OFS_PARM4);
			sv.Effects[index].Xbow.vel[(cmd>>4)&7][2] = 0;

			MSG_WriteAngle (&sv.multicast, G_FLOAT(OFS_PARM3));
			MSG_WriteAngle (&sv.multicast, G_FLOAT(OFS_PARM4));
			if (cmd & 128)//send origin too
			{
				sv.Effects[index].Xbow.turnedbolts |= 1<<((cmd>>4)&7);
				VectorCopy(G_VECTOR(OFS_PARM5), sv.Effects[index].Xbow.origin[(cmd>>4)&7]);
				MSG_WriteCoord (&sv.multicast, sv.Effects[index].Xbow.origin[(cmd>>4)&7][0]);
				MSG_WriteCoord (&sv.multicast, sv.Effects[index].Xbow.origin[(cmd>>4)&7][1]);
				MSG_WriteCoord (&sv.multicast, sv.Effects[index].Xbow.origin[(cmd>>4)&7][2]);
			}
		}
		break;
	case CE_HWDRILLA:
		cmd = G_FLOAT(OFS_PARM2);
		MSG_WriteByte(&sv.multicast, cmd);
		if (cmd == 0)
		{
			VectorCopy(G_VECTOR(OFS_PARM3), tvec);
			MSG_WriteCoord (&sv.multicast, tvec[0]);
			MSG_WriteCoord (&sv.multicast, tvec[1]);
			MSG_WriteCoord (&sv.multicast, tvec[2]);
			MSG_WriteByte (&sv.multicast, G_FLOAT(OFS_PARM4));
		}
		else
		{
			sv.Effects[index].Missile.angle[0] = G_FLOAT(OFS_PARM3);
			MSG_WriteAngle (&sv.multicast, G_FLOAT(OFS_PARM3));
			sv.Effects[index].Missile.angle[1] = G_FLOAT(OFS_PARM4);
			MSG_WriteAngle (&sv.multicast, G_FLOAT(OFS_PARM4));

			VectorCopy(G_VECTOR(OFS_PARM5), sv.Effects[index].Missile.origin);
			MSG_WriteCoord (&sv.multicast, sv.Effects[index].Missile.origin[0]);
			MSG_WriteCoord (&sv.multicast, sv.Effects[index].Missile.origin[1]);
			MSG_WriteCoord (&sv.multicast, sv.Effects[index].Missile.origin[2]);
		}
		break;
	}

	SV_MulticastSpecific (sv.Effects[index].client_list, true);
}

void PF_randomrange(void)
{
	float num,minv,maxv;

	minv = G_FLOAT(OFS_PARM0);
	maxv = G_FLOAT(OFS_PARM1);

	num = (rand ()&0x7fff) / ((float)0x7fff);

	G_FLOAT(OFS_RETURN) = ((maxv-minv) * num) + minv;
}

void PF_randomvalue(void)
{
	float num,range;

	range = G_FLOAT(OFS_PARM0);

	num = (rand ()&0x7fff) / ((float)0x7fff);

	G_FLOAT(OFS_RETURN) = range * num;
}

void PF_randomvrange(void)
{
	float num,*minv,*maxv;
	vec3_t result;

	minv = G_VECTOR(OFS_PARM0);
	maxv = G_VECTOR(OFS_PARM1);

	num = (rand ()&0x7fff) / ((float)0x7fff);
	result[0] = ((maxv[0]-minv[0]) * num) + minv[0];
	num = (rand ()&0x7fff) / ((float)0x7fff);
	result[1] = ((maxv[1]-minv[1]) * num) + minv[1];
	num = (rand ()&0x7fff) / ((float)0x7fff);
	result[2] = ((maxv[2]-minv[2]) * num) + minv[2];

	VectorCopy (result, G_VECTOR(OFS_RETURN));
}

void PF_randomvvalue(void)
{
	float num,*range;
	vec3_t result;

	range = G_VECTOR(OFS_PARM0);

	num = (rand ()&0x7fff) / ((float)0x7fff);
	result[0] = range[0] * num;
	num = (rand ()&0x7fff) / ((float)0x7fff);
	result[1] = range[1] * num;
	num = (rand ()&0x7fff) / ((float)0x7fff);
	result[2] = range[2] * num;

	VectorCopy (result, G_VECTOR(OFS_RETURN));
}

void PF_concatv(void)
{
	float *in,*range;
	vec3_t result;

	in = G_VECTOR(OFS_PARM0);
	range = G_VECTOR(OFS_PARM1);

	VectorCopy (in, result);
	if (result[0] < -range[0]) result[0] = -range[0];
	if (result[0] > range[0]) result[0] = range[0];
	if (result[1] < -range[1]) result[1] = -range[1];
	if (result[1] > range[1]) result[1] = range[1];
	if (result[2] < -range[2]) result[2] = -range[2];
	if (result[2] > range[2]) result[2] = range[2];

	VectorCopy (result, G_VECTOR(OFS_RETURN));
}

void PF_GetString(void)
{
	int Index;

	Index = (int)G_FLOAT(OFS_PARM0) - 1;

	if (Index < 0)
		PR_RunError ("PF_GetString: index(%d) < 1",Index+1);

	if (Index >= pr_string_count)
		PR_RunError ("PF_GetString: index(%d) >= pr_string_count(%d)",Index,pr_string_count);

	G_INT(OFS_RETURN) = (&pr_global_strings[pr_string_index[Index]]) - pr_strings;
}


void PF_v_factor(void)
// returns (v_right * factor_x) + (v_forward * factor_y) + (v_up * factor_z)
{
	float num,*range;
	vec3_t result;

	range = G_VECTOR(OFS_PARM0);

	result[0] = (pr_global_struct->v_right[0] * range[0]) +
				(pr_global_struct->v_forward[0] * range[1]) +
				(pr_global_struct->v_up[0] * range[2]);

	result[1] = (pr_global_struct->v_right[1] * range[0]) +
				(pr_global_struct->v_forward[1] * range[1]) +
				(pr_global_struct->v_up[1] * range[2]);

	result[2] = (pr_global_struct->v_right[2] * range[0]) +
				(pr_global_struct->v_forward[2] * range[1]) +
				(pr_global_struct->v_up[2] * range[2]);

	VectorCopy (result, G_VECTOR(OFS_RETURN));
}

void PF_v_factorrange(void)
// returns (v_right * factor_x) + (v_forward * factor_y) + (v_up * factor_z)
{
	float num,*minv,*maxv;
	vec3_t result,r2;

	minv = G_VECTOR(OFS_PARM0);
	maxv = G_VECTOR(OFS_PARM1);

	num = (rand ()&0x7fff) / ((float)0x7fff);
	result[0] = ((maxv[0]-minv[0]) * num) + minv[0];
	num = (rand ()&0x7fff) / ((float)0x7fff);
	result[1] = ((maxv[1]-minv[1]) * num) + minv[1];
	num = (rand ()&0x7fff) / ((float)0x7fff);
	result[2] = ((maxv[2]-minv[2]) * num) + minv[2];

	r2[0] = (pr_global_struct->v_right[0] * result[0]) +
			(pr_global_struct->v_forward[0] * result[1]) +
			(pr_global_struct->v_up[0] * result[2]);

	r2[1] = (pr_global_struct->v_right[1] * result[0]) +
			(pr_global_struct->v_forward[1] * result[1]) +
			(pr_global_struct->v_up[1] * result[2]);

	r2[2] = (pr_global_struct->v_right[2] * result[0]) +
			(pr_global_struct->v_forward[2] * result[1]) +
			(pr_global_struct->v_up[2] * result[2]);

	VectorCopy (r2, G_VECTOR(OFS_RETURN));
}

void SV_setseed(int seed);
float SV_seedrand(void);
float SV_GetMultiEffectId(void);
void SV_ParseMultiEffect(sizebuf_t *sb);


void PF_setseed(void)
{
	SV_setseed(G_FLOAT(OFS_PARM0));
}

void PF_seedrand(void)
{
	G_FLOAT(OFS_RETURN) = SV_seedrand();
}

void PF_multieffect(void)
{
	SV_ParseMultiEffect(&sv.reliable_datagram);

}

void PF_getmeid(void)
{
	G_FLOAT(OFS_RETURN) = SV_GetMultiEffectId();
}

void PF_weapon_sound(void)
{
	edict_t *entity;
	int sound_num;
	char *sample;

	entity = G_EDICT(OFS_PARM0);
	sample = G_STRING(OFS_PARM1);

	for (sound_num=1 ; sound_num<MAX_SOUNDS
        && sv.sound_precache[sound_num] ; sound_num++)
        if (!strcmp(sample, sv.sound_precache[sound_num]))
            break;
    
    if ( sound_num == MAX_SOUNDS || !sv.sound_precache[sound_num] )
    {
        Con_Printf ("SV_StartSound: %s not precacheed\n", sample);
        return;
    }
	entity->v.wpn_sound = sound_num;
}


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_lightstylestatic,	// 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_tracearea,								// float(vector v1, vector v2, vector mins, vector maxs, 
PF_droptofloor,
PF_lightstyle,
PF_rint,
PF_floor,
PF_ceil,
PF_Fixme,
PF_checkbottom,
PF_pointcontents,
PF_particle2,
PF_fabs,
PF_aim,
PF_cvar,
PF_localcmd,
PF_nextent,
PF_particle,								//																			= #48
PF_changeyaw,
PF_vhlen,									// float(vector v) vhlen											= #50
PF_vectoangles,

PF_WriteByte,
PF_WriteChar,
PF_WriteShort,
PF_WriteLong,
PF_WriteCoord,
PF_WriteAngle,
PF_WriteString,
PF_WriteEntity,

PF_dprintf,									// void(string s1, string s2) dprint										= #60
PF_Cos,										//																			= #61
PF_Sin,										//																			= #62
PF_AdvanceFrame,							//																			= #63
PF_dprintv,									// void(string s1, string s2) dprint										= #64
PF_RewindFrame,								//																			= #65
PF_setclass,

SV_MoveToGoal,
PF_precache_file,
PF_makestatic,

PF_changelevel,
PF_lightstylevalue,		// 71

PF_cvar_set,
PF_centerprint,

PF_ambientsound,

PF_precache_model2,
PF_precache_sound2,		// precache_sound2 is different only for qcc
PF_precache_file,

PF_setspawnparms,

PF_plaque_draw,
PF_rain_go,										//																				=	#80
PF_particleexplosion,							//																				=	#81
PF_movestep,
PF_advanceweaponframe,
PF_sqrt,

PF_particle3,								// 85
PF_particle4,								// 86
PF_setpuzzlemodel,							// 87

PF_starteffect,								// 88
PF_endeffect,								// 89

PF_precache_puzzle_model,					// 90
PF_concatv,									// 91
PF_GetString,								// 92
PF_SpawnTemp,								// 93
PF_v_factor,								// 94
PF_v_factorrange,							// 95

PF_precache_sound3,							// 96
PF_precache_model3,							// 97
PF_precache_file,							// 98

PF_logfrag,		//99

PF_infokey,		//100
PF_stof,		//101
PF_multicast,	//102
PF_turneffect,	//103
PF_updateeffect,//104
PF_setseed,		//105
PF_seedrand,	//106
PF_multieffect,	//107
PF_getmeid,		//108
PF_weapon_sound,//109
PF_bcenterprint2,//110
PF_print_indexed,//111
PF_centerprint2,//112
PF_name_print,	//113
PF_StopSound,	//114
PF_UpdateSoundPos,//115

PF_precache_sound,				// 116
PF_precache_model,				// 117
PF_precache_file,				// 118
PF_setsiegeteam,				// 119
PF_updateSiegeInfo,				// 120
};

builtin_t *pr_builtins = pr_builtin;
int pr_numbuiltins = sizeof(pr_builtin)/sizeof(pr_builtin[0]);