/*
Copyright (C) 1997-2001 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.

*/
// cl_ents.c -- entity parsing and management

#include "client.h"



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

FRAME PARSING

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

#if 0

typedef struct
{
	int		modelindex;
	int		num; // entity number
	int		effects;
	vec3_t	origin;
	vec3_t	oldorigin;
	vec3_t	angles;
	qboolean present;
} projectile_t;

#define	MAX_PROJECTILES	512 //Knightmare- was 64
projectile_t	cl_projectiles[MAX_PROJECTILES];

void CL_ClearProjectiles (void)
{
	int i;

	for (i = 0; i < MAX_PROJECTILES; i++) {
//		if (cl_projectiles[i].present)
//			Com_DPrintf("PROJ: %d CLEARED\n", cl_projectiles[i].num);
		cl_projectiles[i].present = false;
	}
}

/*
=====================
CL_ParseProjectiles

Flechettes are passed as efficient temporary entities
=====================
*/
void CL_ParseProjectiles (void)
{
	int		i, c, j;
	byte	bits[8];
	byte	b;
	projectile_t	pr;
	int lastempty = -1;
	qboolean old = false;

	c = MSG_ReadByte (&net_message);
	for (i=0 ; i<c ; i++)
	{
		bits[0] = MSG_ReadByte (&net_message);
		bits[1] = MSG_ReadByte (&net_message);
		bits[2] = MSG_ReadByte (&net_message);
		bits[3] = MSG_ReadByte (&net_message);
		bits[4] = MSG_ReadByte (&net_message);
		pr.origin[0] = ( ( bits[0] + ((bits[1]&15)<<8) ) <<1) - 4096;
		pr.origin[1] = ( ( (bits[1]>>4) + (bits[2]<<4) ) <<1) - 4096;
		pr.origin[2] = ( ( bits[3] + ((bits[4]&15)<<8) ) <<1) - 4096;
		VectorCopy(pr.origin, pr.oldorigin);

		if (bits[4] & 64)
			pr.effects = EF_BLASTER;
		else
			pr.effects = 0;

		if (bits[4] & 128) {
			old = true;
			bits[0] = MSG_ReadByte (&net_message);
			bits[1] = MSG_ReadByte (&net_message);
			bits[2] = MSG_ReadByte (&net_message);
			bits[3] = MSG_ReadByte (&net_message);
			bits[4] = MSG_ReadByte (&net_message);
			pr.oldorigin[0] = ( ( bits[0] + ((bits[1]&15)<<8) ) <<1) - 4096;
			pr.oldorigin[1] = ( ( (bits[1]>>4) + (bits[2]<<4) ) <<1) - 4096;
			pr.oldorigin[2] = ( ( bits[3] + ((bits[4]&15)<<8) ) <<1) - 4096;
		}

		bits[0] = MSG_ReadByte (&net_message);
		bits[1] = MSG_ReadByte (&net_message);
		bits[2] = MSG_ReadByte (&net_message);

		pr.angles[0] = 360*bits[0]/256;
		pr.angles[1] = 360*bits[1]/256;
		pr.modelindex = bits[2];

		b = MSG_ReadByte (&net_message);
		pr.num = (b & 0x7f);
		if (b & 128) // extra entity number byte
			pr.num |= (MSG_ReadByte (&net_message) << 7);

		pr.present = true;

		// find if this projectile already exists from previous frame 
		for (j = 0; j < MAX_PROJECTILES; j++) {
			if (cl_projectiles[j].modelindex) {
				if (cl_projectiles[j].num == pr.num) {
					// already present, set up oldorigin for interpolation
					if (!old)
						VectorCopy(cl_projectiles[j].origin, pr.oldorigin);
					cl_projectiles[j] = pr;
					break;
				}
			} else
				lastempty = j;
		}

		// not present previous frame, add it
		if (j == MAX_PROJECTILES) {
			if (lastempty != -1) {
				cl_projectiles[lastempty] = pr;
			}
		}
	}
}

/*
=============
CL_LinkProjectiles

=============
*/
void CL_AddProjectiles (void)
{
	int		i, j;
	projectile_t	*pr;
	entity_t		ent;

	memset (&ent, 0, sizeof(ent));

	for (i=0, pr=cl_projectiles ; i < MAX_PROJECTILES ; i++, pr++)
	{
		// grab an entity to fill in
		if (pr->modelindex < 1)
			continue;
		if (!pr->present) {
			pr->modelindex = 0;
			continue; // not present this frame (it was in the previous frame)
		}

		ent.model = cl.model_draw[pr->modelindex];

		// interpolate origin
		for (j=0 ; j<3 ; j++)
		{
			ent.origin[j] = ent.oldorigin[j] = pr->oldorigin[j] + cl.lerpfrac * 
				(pr->origin[j] - pr->oldorigin[j]);

		}

		if (pr->effects & EF_BLASTER)
		CL_BlasterTrail (pr->oldorigin, ent.origin, 255, 150, 50, 0, -90, -30);
		V_AddLight (pr->origin, 200, 1, 1, 0);

		VectorCopy (pr->angles, ent.angles);
		V_AddEntity (&ent);
	}
}
#endif

/*
=================
CL_ParseEntityBits

Returns the entity number and the header bits
=================
*/
int	bitcounts[32];	/// just for protocol profiling
int CL_ParseEntityBits (unsigned *bits)
{
	unsigned	b, total;
	int			i;
	int			number;

	total = MSG_ReadByte (&net_message);
	if (total & U_MOREBITS1)
	{
		b = MSG_ReadByte (&net_message);
		total |= b<<8;
	}
	if (total & U_MOREBITS2)
	{
		b = MSG_ReadByte (&net_message);
		total |= b<<16;
	}
	if (total & U_MOREBITS3)
	{
		b = MSG_ReadByte (&net_message);
		total |= b<<24;
	}

	// count the bits for net profiling
	for (i=0 ; i<32 ; i++)
		if (total&(1<<i))
			bitcounts[i]++;

	if (total & U_NUMBER16)
		number = MSG_ReadShort (&net_message);
	else
		number = MSG_ReadByte (&net_message);

	*bits = total;

	return number;
}

/*
==================
CL_ParseDelta

Can go from either a baseline or a previous packet_entity
==================
*/
void CL_ParseDelta (entity_state_t *from, entity_state_t *to, int number, int bits)
{
	// set everything to the state we are delta'ing from
	*to = *from;

	VectorCopy (from->origin, to->old_origin);
	to->number = number;

	// Knightmare- read deltas the old way if playing old demos or
	// connected to server using old protocol
	if ( LegacyProtocol() )
	{
		if (bits & U_MODEL)
			to->modelindex = MSG_ReadByte (&net_message);
		if (bits & U_MODEL2)
			to->modelindex2 = MSG_ReadByte (&net_message);
		if (bits & U_MODEL3)
			to->modelindex3 = MSG_ReadByte (&net_message);
		if (bits & U_MODEL4)
			to->modelindex4 = MSG_ReadByte (&net_message);
			
		if (bits & U_FRAME8)
			to->frame = MSG_ReadByte (&net_message);
		if (bits & U_FRAME16)
			to->frame = MSG_ReadShort (&net_message);

		if ((bits & U_SKIN8) && (bits & U_SKIN16))		//used for laser colors
			to->skinnum = MSG_ReadLong(&net_message);
		else if (bits & U_SKIN8)
			to->skinnum = MSG_ReadByte(&net_message);
		else if (bits & U_SKIN16)
			to->skinnum = MSG_ReadShort(&net_message);

		if ( (bits & (U_EFFECTS8|U_EFFECTS16)) == (U_EFFECTS8|U_EFFECTS16) )
			to->effects = MSG_ReadLong(&net_message);
		else if (bits & U_EFFECTS8)
			to->effects = MSG_ReadByte(&net_message);
		else if (bits & U_EFFECTS16)
			to->effects = MSG_ReadShort(&net_message);

		if ( (bits & (U_RENDERFX8|U_RENDERFX16)) == (U_RENDERFX8|U_RENDERFX16) )
			to->renderfx = MSG_ReadLong(&net_message);
		else if (bits & U_RENDERFX8)
			to->renderfx = MSG_ReadByte(&net_message);
		else if (bits & U_RENDERFX16)
			to->renderfx = MSG_ReadShort(&net_message);

		if (bits & U_ORIGIN1)
			to->origin[0] = MSG_ReadCoord (&net_message);
		if (bits & U_ORIGIN2)
			to->origin[1] = MSG_ReadCoord (&net_message);
		if (bits & U_ORIGIN3)
			to->origin[2] = MSG_ReadCoord (&net_message);
			
		if (bits & U_ANGLE1)
			to->angles[0] = MSG_ReadAngle(&net_message);
		if (bits & U_ANGLE2)
			to->angles[1] = MSG_ReadAngle(&net_message);
		if (bits & U_ANGLE3)
			to->angles[2] = MSG_ReadAngle(&net_message);

		if (bits & U_OLDORIGIN)
			MSG_ReadPos (&net_message, to->old_origin);

		if (bits & U_SOUND)
			to->sound = MSG_ReadByte (&net_message);

		if (bits & U_EVENT)
			to->event = MSG_ReadByte (&net_message);
		else
			to->event = 0;

		if (bits & U_SOLID)
			to->solid = MSG_ReadShort (&net_message);
		// end old CL_ParseDelta code
	}	
	else //new CL_ParseDelta code
	{
	#ifndef NEW_ENTITY_STATE_MEMBERS
		int ignore;	// holder for messages to be ignored
	#endif
		// Knightmare- 12/23/2001- read model indices as shorts 
		if (bits & U_MODEL)
			to->modelindex = MSG_ReadShort (&net_message);
		if (bits & U_MODEL2)
			to->modelindex2 = MSG_ReadShort (&net_message);
		if (bits & U_MODEL3)
			to->modelindex3 = MSG_ReadShort (&net_message);
		if (bits & U_MODEL4)
			to->modelindex4 = MSG_ReadShort (&net_message);

	// 1/18/2002- extra model indices
	#ifdef NEW_ENTITY_STATE_MEMBERS
		if (bits & U_MODEL5)
			to->modelindex5 = MSG_ReadShort (&net_message);
		if (bits & U_MODEL6)
			to->modelindex6 = MSG_ReadShort (&net_message);
	#else // we need to read and ignore this for eraser client compatibility
		if (bits & U_MODEL5)
			ignore = MSG_ReadShort (&net_message);
		if (bits & U_MODEL6)
			ignore = MSG_ReadShort (&net_message);
	#endif // NEW_ENTITY_STATE_MEMBERS
		if (bits & U_FRAME8)
			to->frame = MSG_ReadByte (&net_message);
		if (bits & U_FRAME16)
			to->frame = MSG_ReadShort (&net_message);

		if ((bits & U_SKIN8) && (bits & U_SKIN16))		//used for laser colors
			to->skinnum = MSG_ReadLong(&net_message);
		else if (bits & U_SKIN8)
			to->skinnum = MSG_ReadByte(&net_message);
		else if (bits & U_SKIN16)
			to->skinnum = MSG_ReadShort(&net_message);

		if ( (bits & (U_EFFECTS8|U_EFFECTS16)) == (U_EFFECTS8|U_EFFECTS16) )
			to->effects = MSG_ReadLong(&net_message);
		else if (bits & U_EFFECTS8)
			to->effects = MSG_ReadByte(&net_message);
		else if (bits & U_EFFECTS16)
			to->effects = MSG_ReadShort(&net_message);

		if ( (bits & (U_RENDERFX8|U_RENDERFX16)) == (U_RENDERFX8|U_RENDERFX16) )
			to->renderfx = MSG_ReadLong(&net_message);
		else if (bits & U_RENDERFX8)
			to->renderfx = MSG_ReadByte(&net_message);
		else if (bits & U_RENDERFX16)
			to->renderfx = MSG_ReadShort(&net_message);

		if (bits & U_ORIGIN1)
			to->origin[0] = MSG_ReadCoord (&net_message);
		if (bits & U_ORIGIN2)
			to->origin[1] = MSG_ReadCoord (&net_message);
		if (bits & U_ORIGIN3)
			to->origin[2] = MSG_ReadCoord (&net_message);
			
		if (bits & U_ANGLE1)
			to->angles[0] = MSG_ReadAngle(&net_message);
		if (bits & U_ANGLE2)
			to->angles[1] = MSG_ReadAngle(&net_message);
		if (bits & U_ANGLE3)
			to->angles[2] = MSG_ReadAngle(&net_message);

		if (bits & U_OLDORIGIN)
			MSG_ReadPos (&net_message, to->old_origin);

		// 5/11/2002- added alpha
		if (bits & U_ALPHA)
	#ifdef NEW_ENTITY_STATE_MEMBERS
			to->alpha = (float)(MSG_ReadByte (&net_message) / 255.0);
	#else // we need to read and ignore this for eraser client compatibility
			ignore = (float)(MSG_ReadByte (&net_message) / 255.0);
	#endif

		// 12/23/2001- read sound indices as shorts
		if (bits & U_SOUND)
			to->sound = MSG_ReadShort (&net_message);
		
	#ifdef LOOP_SOUND_ATTENUATION
		if (bits & U_ATTENUAT)
	#ifdef NEW_ENTITY_STATE_MEMBERS
			to->attenuation = MSG_ReadByte (&net_message) / 64.0;
	#else // we need to read and ignore this for eraser client compatibility
			ignore = MSG_ReadByte (&net_message) / 64.0;
	#endif
	#endif

		if (bits & U_EVENT)
			to->event = MSG_ReadByte (&net_message);
		else
			to->event = 0;

		if (bits & U_SOLID)
			to->solid = MSG_ReadShort (&net_message);

	}	//end new CL_ParseDelta code
}

/*
==================
CL_DeltaEntity

Parses deltas from the given base and adds the resulting entity
to the current frame
==================
*/
void CL_DeltaEntity (frame_t *frame, int newnum, entity_state_t *old, int bits)
{
	centity_t	*ent;
	entity_state_t	*state;

	ent = &cl_entities[newnum];

	state = &cl_parse_entities[cl.parse_entities & (MAX_PARSE_ENTITIES-1)];
	cl.parse_entities++;
	frame->num_entities++;

	CL_ParseDelta (old, state, newnum, bits);

	// some data changes will force no lerping
	if (state->modelindex != ent->current.modelindex
		|| state->modelindex2 != ent->current.modelindex2
		|| state->modelindex3 != ent->current.modelindex3
		|| state->modelindex4 != ent->current.modelindex4
#ifdef NEW_ENTITY_STATE_MEMBERS
		// 1/18/2002- extra model indices
		|| state->modelindex5 != ent->current.modelindex5
		|| state->modelindex6 != ent->current.modelindex6
#endif
		|| abs(state->origin[0] - ent->current.origin[0]) > 512
		|| abs(state->origin[1] - ent->current.origin[1]) > 512
		|| abs(state->origin[2] - ent->current.origin[2]) > 512
		|| state->event == EV_PLAYER_TELEPORT
		|| state->event == EV_OTHER_TELEPORT
		)
	{
		ent->serverframe = -99;
	}

	if (ent->serverframe != cl.frame.serverframe - 1)
	{	// wasn't in last update, so initialize some things
		ent->trailcount = 1024;		// for diminishing rocket / grenade trails
		// duplicate the current state so lerping doesn't hurt anything
		ent->prev = *state;
		if (state->event == EV_OTHER_TELEPORT)
		{
			VectorCopy (state->origin, ent->prev.origin);
			VectorCopy (state->origin, ent->lerp_origin);
		}
		else
		{
			VectorCopy (state->old_origin, ent->prev.origin);
			VectorCopy (state->old_origin, ent->lerp_origin);
		}
	}
	else
	{	// shuffle the last state to previous
		ent->prev = ent->current;
	}

	ent->serverframe = cl.frame.serverframe;
	ent->current = *state;
}

/*
==================
CL_ParsePacketEntities

An svc_packetentities has just been parsed, deal with the
rest of the data stream.
==================
*/
void CL_ParsePacketEntities (frame_t *oldframe, frame_t *newframe)
{
	int			newnum;
	int			bits;
	entity_state_t	*oldstate;
	int			oldindex, oldnum;

	newframe->parse_entities = cl.parse_entities;
	newframe->num_entities = 0;

	// delta from the entities present in oldframe
	oldindex = 0;
	if (!oldframe)
		oldnum = 99999;
	else
	{
		if (oldindex >= oldframe->num_entities)
			oldnum = 99999;
		else
		{
			oldstate = &cl_parse_entities[(oldframe->parse_entities+oldindex) & (MAX_PARSE_ENTITIES-1)];
			oldnum = oldstate->number;
		}
	}

	while (1)
	{
		newnum = CL_ParseEntityBits (&bits);
		if (newnum >= MAX_EDICTS)
			Com_Error (ERR_DROP,"CL_ParsePacketEntities: bad number:%i", newnum);

		if (net_message.readcount > net_message.cursize)
			Com_Error (ERR_DROP,"CL_ParsePacketEntities: end of message");

		if (!newnum)
			break;

		while (oldnum < newnum)
		{	// one or more entities from the old packet are unchanged
		//	if (cl_shownet->value == 3)
			if (cl_shownet->integer == 3)
				Com_Printf ("   unchanged: %i\n", oldnum);
			CL_DeltaEntity (newframe, oldnum, oldstate, 0);
			
			oldindex++;

			if (oldindex >= oldframe->num_entities)
				oldnum = 99999;
			else
			{
				oldstate = &cl_parse_entities[(oldframe->parse_entities+oldindex) & (MAX_PARSE_ENTITIES-1)];
				oldnum = oldstate->number;
			}
		}

		if (bits & U_REMOVE)
		{	// the entity present in oldframe is not in the current frame
		//	if (cl_shownet->value == 3)
			if (cl_shownet->integer == 3)
				Com_Printf ("   remove: %i\n", newnum);
			if (oldnum != newnum)
				Com_Printf ("U_REMOVE: oldnum != newnum\n");

			oldindex++;

			if (oldindex >= oldframe->num_entities)
				oldnum = 99999;
			else
			{
				oldstate = &cl_parse_entities[(oldframe->parse_entities+oldindex) & (MAX_PARSE_ENTITIES-1)];
				oldnum = oldstate->number;
			}
			continue;
		}

		if (oldnum == newnum)
		{	// delta from previous state
		//	if (cl_shownet->value == 3)
			if (cl_shownet->integer == 3)
				Com_Printf ("   delta: %i\n", newnum);
			CL_DeltaEntity (newframe, newnum, oldstate, bits);

			oldindex++;

			if (oldindex >= oldframe->num_entities)
				oldnum = 99999;
			else
			{
				oldstate = &cl_parse_entities[(oldframe->parse_entities+oldindex) & (MAX_PARSE_ENTITIES-1)];
				oldnum = oldstate->number;
			}
			continue;
		}

		if (oldnum > newnum)
		{	// delta from baseline
		//	if (cl_shownet->value == 3)
			if (cl_shownet->integer == 3)
				Com_Printf ("   baseline: %i\n", newnum);
			CL_DeltaEntity (newframe, newnum, &cl_entities[newnum].baseline, bits);
			continue;
		}

	}

	// any remaining entities in the old frame are copied over
	while (oldnum != 99999)
	{	// one or more entities from the old packet are unchanged
	//	if (cl_shownet->value == 3)
		if (cl_shownet->integer == 3)
			Com_Printf ("   unchanged: %i\n", oldnum);
		CL_DeltaEntity (newframe, oldnum, oldstate, 0);
		
		oldindex++;

		if (oldindex >= oldframe->num_entities)
			oldnum = 99999;
		else
		{
			oldstate = &cl_parse_entities[(oldframe->parse_entities+oldindex) & (MAX_PARSE_ENTITIES-1)];
			oldnum = oldstate->number;
		}
	}
}



/*
===================
CL_ParsePlayerstate
===================
*/
void CL_ParsePlayerstate (frame_t *oldframe, frame_t *newframe)
{
	int			flags;
	player_state_t	*state;
	int			i;
	int			statbits;


	state = &newframe->playerstate;

	// clear to old value before delta parsing
	if (oldframe)
		*state = oldframe->playerstate;
	else
		memset (state, 0, sizeof(*state));

	// Knightmare- read player state info the old way if playing old demos or
	// connected to server using old protocol
	if ( LegacyProtocol() )
	{
		flags = MSG_ReadShort (&net_message);

		//
		// parse the pmove_state_t
		//
		if (flags & PS_M_TYPE)
			state->pmove.pm_type = MSG_ReadByte (&net_message);

		if (flags & PS_M_ORIGIN) // FIXME- map size
		{
			state->pmove.origin[0] = MSG_ReadShort (&net_message);
			state->pmove.origin[1] = MSG_ReadShort (&net_message);
			state->pmove.origin[2] = MSG_ReadShort (&net_message);
		}

		if (flags & PS_M_VELOCITY)
		{
			state->pmove.velocity[0] = MSG_ReadShort (&net_message);
			state->pmove.velocity[1] = MSG_ReadShort (&net_message);
			state->pmove.velocity[2] = MSG_ReadShort (&net_message);
		}

		if (flags & PS_M_TIME)
			state->pmove.pm_time = MSG_ReadByte (&net_message);

		if (flags & PS_M_FLAGS)
			state->pmove.pm_flags = MSG_ReadByte (&net_message);

		if (flags & PS_M_GRAVITY)
			state->pmove.gravity = MSG_ReadShort (&net_message);

		if (flags & PS_M_DELTA_ANGLES)
		{
			state->pmove.delta_angles[0] = MSG_ReadShort (&net_message);
			state->pmove.delta_angles[1] = MSG_ReadShort (&net_message);
			state->pmove.delta_angles[2] = MSG_ReadShort (&net_message);
		}

		if (cl.attractloop)
			state->pmove.pm_type = PM_FREEZE;		// demo playback

		//
		// parse the rest of the player_state_t
		//
		if (flags & PS_VIEWOFFSET)
		{
			state->viewoffset[0] = MSG_ReadChar (&net_message) * 0.25;
			state->viewoffset[1] = MSG_ReadChar (&net_message) * 0.25;
			state->viewoffset[2] = MSG_ReadChar (&net_message) * 0.25;
		}

		if (flags & PS_VIEWANGLES)
		{
			state->viewangles[0] = MSG_ReadAngle16 (&net_message);
			state->viewangles[1] = MSG_ReadAngle16 (&net_message);
			state->viewangles[2] = MSG_ReadAngle16 (&net_message);
		}

		if (flags & PS_KICKANGLES)
		{
			state->kick_angles[0] = MSG_ReadChar (&net_message) * 0.25;
			state->kick_angles[1] = MSG_ReadChar (&net_message) * 0.25;
			state->kick_angles[2] = MSG_ReadChar (&net_message) * 0.25;
		}

		if (flags & PS_WEAPONINDEX)
		{
			state->gunindex = MSG_ReadByte (&net_message);
		}

		if (flags & PS_WEAPONFRAME)
		{
			state->gunframe = MSG_ReadByte (&net_message);
			state->gunoffset[0] = MSG_ReadChar (&net_message)*0.25;
			state->gunoffset[1] = MSG_ReadChar (&net_message)*0.25;
			state->gunoffset[2] = MSG_ReadChar (&net_message)*0.25;
			state->gunangles[0] = MSG_ReadChar (&net_message)*0.25;
			state->gunangles[1] = MSG_ReadChar (&net_message)*0.25;
			state->gunangles[2] = MSG_ReadChar (&net_message)*0.25;
		}

		if (flags & PS_BLEND)
		{
			state->blend[0] = MSG_ReadByte (&net_message)*DIV255;
			state->blend[1] = MSG_ReadByte (&net_message)*DIV255;
			state->blend[2] = MSG_ReadByte (&net_message)*DIV255;
			state->blend[3] = MSG_ReadByte (&net_message)*DIV255;
		}

		if (flags & PS_FOV)
			state->fov = MSG_ReadByte (&net_message);

		if (flags & PS_RDFLAGS)
			state->rdflags = MSG_ReadByte (&net_message);

		// parse stats
		statbits = MSG_ReadLong (&net_message);
		for (i = 0; i < OLD_MAX_STATS; i++) // Knightmare- use old max_stats
			if (statbits & (1<<i) )
				state->stats[i] = MSG_ReadShort(&net_message);
	}	// end old CL_ParsePlayerstate code
	else //new CL_ParsePlayerstate code
	{
		// Knightmare 4/5/2002- read as long
		flags = MSG_ReadLong (&net_message);

		//
		// parse the pmove_state_t
		//
		if (flags & PS_M_TYPE)
			state->pmove.pm_type = MSG_ReadByte (&net_message);

		if (flags & PS_M_ORIGIN)
		{
#ifdef LARGE_MAP_SIZE
			state->pmove.origin[0] = MSG_ReadPMCoordNew (&net_message);
			state->pmove.origin[1] = MSG_ReadPMCoordNew (&net_message);
			state->pmove.origin[2] = MSG_ReadPMCoordNew (&net_message);
#else
			state->pmove.origin[0] = MSG_ReadShort (&net_message);
			state->pmove.origin[1] = MSG_ReadShort (&net_message);
			state->pmove.origin[2] = MSG_ReadShort (&net_message);
#endif
		}

		if (flags & PS_M_VELOCITY)
		{
			state->pmove.velocity[0] = MSG_ReadShort (&net_message);
			state->pmove.velocity[1] = MSG_ReadShort (&net_message);
			state->pmove.velocity[2] = MSG_ReadShort (&net_message);
		}

		if (flags & PS_M_TIME)
			state->pmove.pm_time = MSG_ReadByte (&net_message);

		if (flags & PS_M_FLAGS)
			state->pmove.pm_flags = MSG_ReadByte (&net_message);

		if (flags & PS_M_GRAVITY)
			state->pmove.gravity = MSG_ReadShort (&net_message);

		if (flags & PS_M_DELTA_ANGLES)
		{
			state->pmove.delta_angles[0] = MSG_ReadShort (&net_message);
			state->pmove.delta_angles[1] = MSG_ReadShort (&net_message);
			state->pmove.delta_angles[2] = MSG_ReadShort (&net_message);
		}

		if (cl.attractloop)
			state->pmove.pm_type = PM_FREEZE;		// demo playback

		//
		// parse the rest of the player_state_t
		//
		if (flags & PS_VIEWOFFSET)
		{
			state->viewoffset[0] = MSG_ReadChar (&net_message) * 0.25;
			state->viewoffset[1] = MSG_ReadChar (&net_message) * 0.25;
			state->viewoffset[2] = MSG_ReadChar (&net_message) * 0.25;
		}

		if (flags & PS_VIEWANGLES)
		{
			state->viewangles[0] = MSG_ReadAngle16 (&net_message);
			state->viewangles[1] = MSG_ReadAngle16 (&net_message);
			state->viewangles[2] = MSG_ReadAngle16 (&net_message);
		}

		if (flags & PS_KICKANGLES)
		{
			state->kick_angles[0] = MSG_ReadChar (&net_message) * 0.25;
			state->kick_angles[1] = MSG_ReadChar (&net_message) * 0.25;
			state->kick_angles[2] = MSG_ReadChar (&net_message) * 0.25;
		}

		// Knightmare 4/5/2002- read as short
		if (flags & PS_WEAPONINDEX)
			state->gunindex = MSG_ReadShort (&net_message);

	#ifdef NEW_PLAYER_STATE_MEMBERS	// Knightmare- gunindex2 support
		if (flags & PS_WEAPONINDEX2)
			state->gunindex2 = MSG_ReadShort (&net_message);
	#endif

	// Knightmare- gunframe2 support
	#ifdef NEW_PLAYER_STATE_MEMBERS
		if ((flags & PS_WEAPONFRAME) || (flags & PS_WEAPONFRAME2))
		{
			if (flags & PS_WEAPONFRAME)
				state->gunframe = MSG_ReadByte (&net_message);
			if (flags & PS_WEAPONFRAME2)
				state->gunframe2 = MSG_ReadByte (&net_message);
			state->gunoffset[0] = MSG_ReadChar (&net_message)*0.25;
			state->gunoffset[1] = MSG_ReadChar (&net_message)*0.25;
			state->gunoffset[2] = MSG_ReadChar (&net_message)*0.25;
			state->gunangles[0] = MSG_ReadChar (&net_message)*0.25;
			state->gunangles[1] = MSG_ReadChar (&net_message)*0.25;
			state->gunangles[2] = MSG_ReadChar (&net_message)*0.25;
		}
	#else
		if (flags & PS_WEAPONFRAME)
		{
			state->gunframe = MSG_ReadByte (&net_message);
			state->gunoffset[0] = MSG_ReadChar (&net_message)*0.25;
			state->gunoffset[1] = MSG_ReadChar (&net_message)*0.25;
			state->gunoffset[2] = MSG_ReadChar (&net_message)*0.25;
			state->gunangles[0] = MSG_ReadChar (&net_message)*0.25;
			state->gunangles[1] = MSG_ReadChar (&net_message)*0.25;
			state->gunangles[2] = MSG_ReadChar (&net_message)*0.25;
		}
	#endif

	#ifdef NEW_PLAYER_STATE_MEMBERS
		if (flags & PS_WEAPONSKIN)	// Knightmare- gunskin support
			state->gunskin = MSG_ReadShort (&net_message);

		if (flags & PS_WEAPONSKIN2)
			state->gunskin2 = MSG_ReadShort (&net_message);

		// server-side speed control!
		if (flags & PS_MAXSPEED)
			state->maxspeed = MSG_ReadShort (&net_message);

		if (flags & PS_DUCKSPEED)
			state->duckspeed = MSG_ReadShort (&net_message);

		if (flags & PS_WATERSPEED)
			state->waterspeed = MSG_ReadShort (&net_message);

		if (flags & PS_ACCEL)
			state->accel = MSG_ReadShort (&net_message);

		if (flags & PS_STOPSPEED)
			state->stopspeed = MSG_ReadShort (&net_message);
	#endif	// end Knightmare

		if (flags & PS_BLEND)
		{
			state->blend[0] = MSG_ReadByte (&net_message)/255.0;
			state->blend[1] = MSG_ReadByte (&net_message)/255.0;
			state->blend[2] = MSG_ReadByte (&net_message)/255.0;
			state->blend[3] = MSG_ReadByte (&net_message)/255.0;
		}

		if (flags & PS_FOV)
			state->fov = MSG_ReadByte (&net_message);

		if (flags & PS_RDFLAGS)
			state->rdflags = MSG_ReadByte (&net_message);

		// parse stats
		statbits = MSG_ReadLong (&net_message);
		for (i = 0; i < MAX_STATS; i++)
			if (statbits & (1<<i) )
				state->stats[i] = MSG_ReadShort(&net_message);
	} // end new CL_ParsePlayerstate code
}


/*
==================
CL_FireEntityEvents

==================
*/
void CL_FireEntityEvents (frame_t *frame)
{
	entity_state_t		*s1;
	int					pnum, num;

	for (pnum = 0 ; pnum<frame->num_entities ; pnum++)
	{
		num = (frame->parse_entities + pnum)&(MAX_PARSE_ENTITIES-1);
		s1 = &cl_parse_entities[num];
		if (s1->event)
			CL_EntityEvent (s1);

		// EF_TELEPORTER acts like an event, but is not cleared each frame
		if (s1->effects & EF_TELEPORTER)
			CL_TeleporterParticles (s1);
	}
}


// Knightmare- var for saving speed controls
player_state_t *clientstate;

/*
================
CL_ParseFrame
================
*/
void CL_ParseFrame (void)
{
	int			cmd;
	int			len;
	frame_t		*old;

	memset (&cl.frame, 0, sizeof(cl.frame));

#if 0
	CL_ClearProjectiles(); // clear projectiles for new frame
#endif

	cl.frame.serverframe = MSG_ReadLong (&net_message);
	cl.frame.deltaframe = MSG_ReadLong (&net_message);
	cl.frame.servertime = cl.frame.serverframe*100;

	// BIG HACK to let old demos continue to work
	if (cls.serverProtocol != 26)
		cl.surpressCount = MSG_ReadByte (&net_message);

//	if (cl_shownet->value == 3)
	if (cl_shownet->integer == 3)
		Com_Printf ("   frame:%i  delta:%i\n", cl.frame.serverframe,
		cl.frame.deltaframe);

	// If the frame is delta compressed from data that we
	// no longer have available, we must suck up the rest of
	// the frame, but not use it, then ask for a non-compressed
	// message 
	if (cl.frame.deltaframe <= 0)
	{
		cl.frame.valid = true;		// uncompressed frame
		old = NULL;
		cls.demowaiting = false;	// we can start recording now
	}
	else
	{
		old = &cl.frames[cl.frame.deltaframe & UPDATE_MASK];
		if (!old->valid)
		{	// should never happen
			Com_Printf ("Delta from invalid frame (not supposed to happen!).\n");
		}
		if (old->serverframe != cl.frame.deltaframe)
		{	// The frame that the server did the delta from
			// is too old, so we can't reconstruct it properly.
			Com_Printf ("Delta frame too old.\n");
		}
		else if (cl.parse_entities - old->parse_entities > MAX_PARSE_ENTITIES-128)
		{
			Com_Printf ("Delta parse_entities too old.\n");
		}
		else
			cl.frame.valid = true;	// valid delta parse
	}

	// clamp time 
	if (cl.time > cl.frame.servertime)
		cl.time = cl.frame.servertime;
	else if (cl.time < cl.frame.servertime - 100)
		cl.time = cl.frame.servertime - 100;

	// read areabits
	len = MSG_ReadByte (&net_message);
	MSG_ReadData (&net_message, &cl.frame.areabits, len);

	// read playerinfo
	cmd = MSG_ReadByte (&net_message);
	SHOWNET(svc_strings[cmd]);
	if (cmd != svc_playerinfo)
		Com_Error (ERR_DROP, "CL_ParseFrame: not playerinfo");
	CL_ParsePlayerstate (old, &cl.frame);

	// Knightmare- set pointer to player state for movement code
	clientstate = &cl.frame.playerstate;

	// read packet entities
	cmd = MSG_ReadByte (&net_message);
	SHOWNET(svc_strings[cmd]);
	if (cmd != svc_packetentities)
		Com_Error (ERR_DROP, "CL_ParseFrame: not packetentities");
	CL_ParsePacketEntities (old, &cl.frame);

#if 0
	if (cmd == svc_packetentities2)
		CL_ParseProjectiles();
#endif

	// save the frame off in the backup array for later delta comparisons
	cl.frames[cl.frame.serverframe & UPDATE_MASK] = cl.frame;

	if (cl.frame.valid)
	{
		// getting a valid frame message ends the connection process
		if (cls.state != ca_active)
		{
			cls.state = ca_active;
			cl.force_refdef = true;
			cl.predicted_origin[0] = cl.frame.playerstate.pmove.origin[0]*0.125;
			cl.predicted_origin[1] = cl.frame.playerstate.pmove.origin[1]*0.125;
			cl.predicted_origin[2] = cl.frame.playerstate.pmove.origin[2]*0.125;
			VectorCopy (cl.frame.playerstate.viewangles, cl.predicted_angles);
			if (cls.disable_servercount != cl.servercount
				&& cl.refresh_prepped)
				SCR_EndLoadingPlaque ();	// get rid of loading plaque
		}
		cl.sound_prepped = true;	// can start mixing ambient sounds
	
		// fire entity events
		CL_FireEntityEvents (&cl.frame);
		CL_CheckPredictionError ();
	}
}

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

INTERPOLATE BETWEEN FRAMES TO GET RENDERING PARMS

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

struct model_s *S_RegisterSexedModel (entity_state_t *ent, char *base)
{
	int				n;
	char			*p;
	struct model_s	*mdl;
	char			model[MAX_QPATH];
	char			buffer[MAX_QPATH];

	// determine what model the client is using
	model[0] = 0;

	// Knightmare- BIG UGLY HACK for old connected to server using old protocol
	// Changed config strings require different parsing
	if ( LegacyProtocol() )
		n = OLD_CS_PLAYERSKINS + ent->number - 1;
	else
		n = CS_PLAYERSKINS + ent->number - 1;

	if (cl.configstrings[n][0])
	{
		p = strchr(cl.configstrings[n], '\\');
		if (p)
		{
			p += 1;
		//	strncpy(model, p);
			Q_strncpyz(model, p, sizeof(model));
			p = strchr(model, '/');
			if (p)
				*p = 0;
		}
	}
	// if we can't figure it out, they're male
	if (!model[0])
	//	strncpy(model, "male");
		Q_strncpyz(model, "male", sizeof(model));

	Com_sprintf (buffer, sizeof(buffer), "players/%s/%s", model, base+1);
	mdl = R_RegisterModel(buffer);
	if (!mdl) {
		// not found, try default weapon model
		Com_sprintf (buffer, sizeof(buffer), "players/%s/weapon.md2", model);
		mdl = R_RegisterModel(buffer);
		if (!mdl) {
			// no, revert to the male model
			Com_sprintf (buffer, sizeof(buffer), "players/%s/%s", "male", base+1);
			mdl = R_RegisterModel(buffer);
			if (!mdl) {
				// last try, default male weapon.md2
				Com_sprintf (buffer, sizeof(buffer), "players/male/weapon.md2");
				mdl = R_RegisterModel(buffer);
			}
		} 
	}

	return mdl;
}

// Knightmare- save off current player weapon model for player config menu
extern	char	*currentweaponmodel;
extern	char	cl_weaponmodels[MAX_CLIENTWEAPONMODELS][MAX_QPATH];

/*
===============
CL_AddPacketEntities

===============
*/
void CL_AddPacketEntities (frame_t *frame)
{
	entity_t			ent;
	entity_state_t		*s1;
	float				autorotate;
	int					i, pnum, autoanim;
	int					max_models;
	centity_t			*cent;
	clientinfo_t		*ci;
	unsigned int		effects, renderfx;

	// Knightmare- hack for connected to server using old protocol
	// Changed config strings require different parsing
	if ( LegacyProtocol() )
		max_models = OLD_MAX_MODELS;
	else
		max_models = MAX_MODELS;

	CL_FixParticleCvars (); // clamp critical effects vars to acceptable bounds

	// bonus items rotate at a fixed rate
	autorotate = anglemod(cl.time/10);

	// brush models can auto animate their frames
	autoanim = 2*cl.time/1000;

	memset (&ent, 0, sizeof(ent));

	// Knightmare added
	VectorCopy( vec3_origin, clientOrg);

	// Knightmare- reset current weapon model
	currentweaponmodel = NULL;

	for (pnum = 0 ; pnum<frame->num_entities ; pnum++)
	{
		qboolean isclientviewer = false;
		qboolean drawEnt = true; //Knightmare added

		s1 = &cl_parse_entities[(frame->parse_entities+pnum)&(MAX_PARSE_ENTITIES-1)];

		cent = &cl_entities[s1->number];

		effects = s1->effects;
		renderfx = s1->renderfx;

		// if i want to multiply alpha, then id better do this...
		ent.alpha = 1.0F;
		// reset this
		ent.renderfx = 0;

		// set frame
		if (effects & EF_ANIM01)
			ent.frame = autoanim & 1;
		else if (effects & EF_ANIM23)
			ent.frame = 2 + (autoanim & 1);
		else if (effects & EF_ANIM_ALL)
			ent.frame = autoanim;
		else if (effects & EF_ANIM_ALLFAST)
			ent.frame = cl.time / 100;
		else
			ent.frame = s1->frame;

		// ents that cast light don't give off shadows
		if (effects & (EF_BLASTER|EF_HYPERBLASTER|EF_BLUEHYPERBLASTER|EF_TRACKER|EF_ROCKET|EF_PLASMA|EF_IONRIPPER))
			renderfx |= RF_NOSHADOW;

		// quad and pent can do different things on client
		if (effects & EF_PENT)
		{
			effects &= ~EF_PENT;
			effects |= EF_COLOR_SHELL;
			renderfx |= RF_SHELL_RED;
		}

		if (effects & EF_QUAD)
		{
			effects &= ~EF_QUAD;
			effects |= EF_COLOR_SHELL;
			renderfx |= RF_SHELL_BLUE;
		}
//======
// PMM
		if (effects & EF_DOUBLE)
		{
			effects &= ~EF_DOUBLE;
			effects |= EF_COLOR_SHELL;
			renderfx |= RF_SHELL_DOUBLE;
		}

		if (effects & EF_HALF_DAMAGE)
		{
			effects &= ~EF_HALF_DAMAGE;
			effects |= EF_COLOR_SHELL;
			renderfx |= RF_SHELL_HALF_DAM;
		}
// pmm
//======
		ent.oldframe = cent->prev.frame;
		ent.backlerp = 1.0 - cl.lerpfrac;

		if (renderfx & (RF_FRAMELERP|RF_BEAM))
		{	// step origin discretely, because the frames
			// do the animation properly
			VectorCopy (cent->current.origin, ent.origin);
			VectorCopy (cent->current.old_origin, ent.oldorigin);
		}
		else
		{	// interpolate origin
			for (i=0 ; i<3 ; i++)
			{
				ent.origin[i] = ent.oldorigin[i] = cent->prev.origin[i] + cl.lerpfrac * 
					(cent->current.origin[i] - cent->prev.origin[i]);
			}
		}

		// create a new entity
	
		// tweak the color of beams
		if ( renderfx & RF_BEAM )
		{	// the four beam colors are encoded in 32 bits of skinnum (hack)
			ent.alpha = 0.30;
			ent.skinnum = (s1->skinnum >> ((rand() % 4)*8)) & 0xff;
			ent.model = NULL;
		}
		else
		{
			// set skin
		/*	if ( s1->modelindex == MAX_MODELS-1 //was 255
				//Knightmare- GROSS HACK for old demos, use modelindex 255
				|| ( LegacyProtocol() && s1->modelindex == OLD_MAX_MODELS-1 ) ) */
			if ( s1->modelindex == (max_models-1)) // was 255

			{	// use custom player skin
				ent.skinnum = 0;
				ci = &cl.clientinfo[s1->skinnum & 0xff];
				ent.skin = ci->skin;
				ent.model = ci->model;
				if (!ent.skin || !ent.model)
				{
					ent.skin = cl.baseclientinfo.skin;
					ent.model = cl.baseclientinfo.model;
				}

//============
//PGM
				// Knightmare- catch NULL player skin
			//	if (renderfx & RF_USE_DISGUISE)
				if ( (renderfx & RF_USE_DISGUISE) && (ent.skin != NULL) && (strlen((char *)ent.skin) > 0) )
				{
					if (!strncmp((char *)ent.skin, "players/male", 12))
					{
						ent.skin = R_RegisterSkin ("players/male/disguise.pcx");
						ent.model = R_RegisterModel ("players/male/tris.md2");
					}
					else if (!strncmp((char *)ent.skin, "players/female", 14))
					{
						ent.skin = R_RegisterSkin ("players/female/disguise.pcx");
						ent.model = R_RegisterModel ("players/female/tris.md2");
					}
					else if (!strncmp((char *)ent.skin, "players/cyborg", 14))
					{
						ent.skin = R_RegisterSkin ("players/cyborg/disguise.pcx");
						ent.model = R_RegisterModel ("players/cyborg/tris.md2");
					}
				}
//PGM
//============
			}
			else
			{
				ent.skinnum = s1->skinnum;
				ent.skin = NULL;
				ent.model = cl.model_draw[s1->modelindex];
			}
		}
		
		//**** MODEL / EFFECT SWAPPING ETC *** - per gametype...
		if (ent.model)
		{
			if (!Q_strcasecmp((char *)ent.model, "models/objects/laser/tris.md2")
				&& !(effects & EF_BLASTER))
			{	// replace the bolt with a particle glow
				CL_HyperBlasterEffect (cent->lerp_origin, ent.origin, s1->angles,
					255, 150, 50, 0, -90, -30, 10, 3);
				drawEnt = false;
			}
			if ( (!Q_strcasecmp((char *)ent.model, "models/proj/laser2/tris.md2")
				|| !Q_strcasecmp((char *)ent.model, "models/objects/laser2/tris.md2")
				|| !Q_strcasecmp((char *)ent.model, "models/objects/glaser/tris.md2") )
				&& !(effects & EF_BLASTER))
			{	// give the bolt a green particle glow
				CL_HyperBlasterEffect (cent->lerp_origin, ent.origin, s1->angles,
					50, 235, 50, -10, 0, -10, 10, 3);
				drawEnt = false;
			}
			if (!Q_strcasecmp((char *)ent.model, "models/objects/blaser/tris.md2")
				&& !(effects & EF_BLASTER))
			{	// give the bolt a blue particle glow
				CL_HyperBlasterEffect (cent->lerp_origin, ent.origin, s1->angles,
					50, 50, 235, 0, -10, 0, -10, 3);
				drawEnt = false;
			}
			if (!Q_strcasecmp((char *)ent.model, "models/objects/rlaser/tris.md2")
				&& !(effects & EF_BLASTER))
			{	// give the bolt a red particle glow
				CL_HyperBlasterEffect (cent->lerp_origin, ent.origin, s1->angles,
					235, 50, 50, 0, -90, -30, -10, 3);
				drawEnt = false;
			}
		}

		// only used for black hole model right now, FIXME: do better
		if (renderfx & RF_TRANSLUCENT)
			ent.alpha = 0.70;

		// render effects (fullbright, translucent, etc)
		if ((effects & EF_COLOR_SHELL))
			ent.flags = 0;	// renderfx go on color shell entity
		else
			ent.flags = renderfx;

		// calculate angles
		if (effects & EF_ROTATE)
		{	// some bonus items auto-rotate
			ent.angles[0] = 0;
			ent.angles[1] = autorotate;
			ent.angles[2] = 0;
			// bobbing items by QuDos
		//	if (cl_item_bobbing->value) {
			if (cl_item_bobbing->integer) {
				float	bob_scale = (0.005 + s1->number * 0.00001) * 0.5;
				float	bob = cos((cl.time + 1000) * bob_scale) * 5;
				ent.oldorigin[2] += bob;
				ent.origin[2] += bob;
			}
		}
		// RAFAEL
		else if (effects & EF_SPINNINGLIGHTS)
		{
			ent.angles[0] = 0;
			ent.angles[1] = anglemod(cl.time/2) + s1->angles[1];
			ent.angles[2] = 180;
			{
				vec3_t forward;
				vec3_t start;

				AngleVectors (ent.angles, forward, NULL, NULL);
				VectorMA (ent.origin, 64, forward, start);
				V_AddLight (start, 100, 1, 0, 0);
			}
		}
		else
		{	// interpolate angles
			float	a1, a2;

			for (i=0 ; i<3 ; i++)
			{
				a1 = cent->current.angles[i];
				a2 = cent->prev.angles[i];
				ent.angles[i] = LerpAngle (a2, a1, cl.lerpfrac);
			}
		}
	//	AnglesToAxis(ent.angles, ent.axis);

		if (s1->number == cl.playernum+1)
		{
			ent.flags |= RF_VIEWERMODEL;	// only draw from mirrors
			isclientviewer = true;

			// EF_FLAG1|EF_FLAG2 is a special case for EF_FLAG3...  plus de fromage!
			if (effects & EF_FLAG1) {
				if (effects & EF_FLAG2)
					V_AddLight (ent.origin, 255, 0.1, 1.0, 0.1);
				else
					V_AddLight (ent.origin, 225, 1.0, 0.1, 0.1);
			}
			else if (effects & EF_FLAG2)
				V_AddLight (ent.origin, 225, 0.1, 0.1, 1.0);
			else if (effects & EF_TAGTRAIL)						//PGM
				V_AddLight (ent.origin, 225, 1.0, 1.0, 0.0);	//PGM
			else if (effects & EF_TRACKERTRAIL)					//PGM
				V_AddLight (ent.origin, 225, -1.0, -1.0, -1.0);	//PGM

			// Knightmare- save off current player weapon model for player config menu
		/*	if (s1->modelindex2 == MAX_MODELS-1
				|| ( LegacyProtocol() && s1->modelindex2 == OLD_MAX_MODELS-1 ) ) */
			if (s1->modelindex2 == max_models-1)
			{
				ci = &cl.clientinfo[s1->skinnum & 0xff];
				i = (s1->skinnum >> 8); // 0 is default weapon model
			//	if (!cl_vwep->value || i > MAX_CLIENTWEAPONMODELS - 1)
				if (!cl_vwep->integer || i > MAX_CLIENTWEAPONMODELS - 1)
					i = 0;
				currentweaponmodel = cl_weaponmodels[i];
			}

			// fix for third-person in demos
			if ( !IsThirdPerson() )
				continue;
		}

		// if set to invisible, skip
		if (!s1->modelindex)
			continue;

		if (effects & EF_BFG)
		{
			ent.flags |= RF_TRANSLUCENT;
			ent.alpha = 0.30;
			//ent.alpha *= 0.5;*/
		}

		// RAFAEL
		if (effects & EF_PLASMA)
		{
			ent.flags |= RF_TRANSLUCENT;
			ent.alpha = 0.6;
		}

		if (effects & EF_SPHERETRANS)
		{
			ent.flags |= RF_TRANSLUCENT;
			// PMM - *sigh*  yet more EF overloading
			if (effects & EF_TRACKERTRAIL)
				ent.alpha = 0.6;
			else
				ent.alpha = 0.3;
		}
//pmm

// Knightmare- read server-assigned alpha, overriding effects flags
#ifdef NEW_ENTITY_STATE_MEMBERS
		if (s1->alpha > 0.0F && s1->alpha < 1.0F)
		{
			//ent.alpha = s1->alpha;
			// lerp alpha :p
			ent.alpha = cent->prev.alpha + cl.lerpfrac * (cent->current.alpha - cent->prev.alpha);
			ent.flags |= RF_TRANSLUCENT;
		}
#endif
		// Knightmare added for mirroring
		if (renderfx & RF_MIRRORMODEL)
			ent.flags |= RF_MIRRORMODEL;

		// if set to invisible, skip
		if (!s1->modelindex)
			continue;

		// add to refresh list
		if (drawEnt) // Knightmare added
			V_AddEntity (&ent);


		// color shells generate a seperate entity for the main model
		if ( (effects & EF_COLOR_SHELL) && (!isclientviewer || IsThirdPerson()) )
		{
			// PMM - at this point, all of the shells have been handled
			// if we're in the rogue pack, set up the custom mixing, otherwise just
			// keep going
			// Knightmare 6/06/2002
			if (FS_RoguePath())
			{
				// all of the solo colors are fine.  we need to catch any of the combinations that look bad
				// (double & half) and turn them into the appropriate color, and make double/quad something special
				if (renderfx & RF_SHELL_HALF_DAM)
				{			
					// ditch the half damage shell if any of red, blue, or double are on
					if (renderfx & (RF_SHELL_RED|RF_SHELL_BLUE|RF_SHELL_DOUBLE))
						renderfx &= ~RF_SHELL_HALF_DAM;
				}

				if (renderfx & RF_SHELL_DOUBLE)
				{
					// lose the yellow shell if we have a red, blue, or green shell
					if (renderfx & (RF_SHELL_RED|RF_SHELL_BLUE|RF_SHELL_GREEN))
						renderfx &= ~RF_SHELL_DOUBLE;
					// if we have a red shell, turn it to purple by adding blue
					if (renderfx & RF_SHELL_RED)
						renderfx |= RF_SHELL_BLUE;
					// if we have a blue shell (and not a red shell), turn it to cyan by adding green
					else if (renderfx & RF_SHELL_BLUE)
						// go to green if it's on already, otherwise do cyan (flash green)
						if (renderfx & RF_SHELL_GREEN)
							renderfx &= ~RF_SHELL_BLUE;
						else
							renderfx |= RF_SHELL_GREEN;
				}
			}
			// pmm
			ent.flags = renderfx | RF_TRANSLUCENT;
			ent.alpha = 0.30;
			V_AddEntity (&ent);
		}

		ent.skin = NULL;		// never use a custom skin on others
		ent.skinnum = 0;
		ent.flags = 0;
		ent.alpha = 1.0F;

		// duplicate for linked models
		if (s1->modelindex2)
		{
		/*	if (s1->modelindex2 == MAX_MODELS-1
				//Knightmare- GROSS HACK for old demos, use modelindex 255
				|| ( LegacyProtocol() && s1->modelindex2 == OLD_MAX_MODELS-1 ) ) */
			if (s1->modelindex2 == (max_models-1))
			{	// custom weapon
				ci = &cl.clientinfo[s1->skinnum & 0xff];
				i = (s1->skinnum >> 8); // 0 is default weapon model
			//	if (!cl_vwep->value || i > MAX_CLIENTWEAPONMODELS - 1)
				if (!cl_vwep->integer || i > MAX_CLIENTWEAPONMODELS - 1)
					i = 0;
				ent.model = ci->weaponmodel[i];
				if (!ent.model) {
					if (i != 0)
						ent.model = ci->weaponmodel[0];
					if (!ent.model)
						ent.model = cl.baseclientinfo.weaponmodel[0];
				}
			}
			else
				ent.model = cl.model_draw[s1->modelindex2];

			// PMM - check for the defender sphere shell .. make it translucent
			// replaces the previous version which used the high bit on modelindex2 to determine transparency
			if (!Q_strcasecmp (cl.configstrings[CS_MODELS+(s1->modelindex2)], "models/items/shell/tris.md2"))
			{
				ent.alpha = 0.32;
				ent.flags = RF_TRANSLUCENT;
			}
			// pmm

			// Knightmare added for Psychospaz's chasecam
			if (isclientviewer)
				ent.flags |= RF_VIEWERMODEL;

			// Knightmare added for mirroring
			if (renderfx & RF_MIRRORMODEL)
				ent.flags |= RF_MIRRORMODEL;

			V_AddEntity (&ent);

			//PGM - make sure these get reset.
			ent.flags = 0;
			ent.alpha = 1.0F;
			//PGM
		}

		if (s1->modelindex3)
		{
			// Knightmare added for Psychospaz's chasecam
			if (isclientviewer)
				ent.flags |= RF_VIEWERMODEL;

			// Knightmare added for mirroring
			if (renderfx & RF_MIRRORMODEL)
				ent.flags |= RF_MIRRORMODEL;

			ent.model = cl.model_draw[s1->modelindex3];
			V_AddEntity (&ent);
		}
		if (s1->modelindex4)
		{
			// Knightmare added for Psychospaz's chasecam
			if (isclientviewer)
				ent.flags |= RF_VIEWERMODEL;

			// Knightmare added for mirroring
			if (renderfx & RF_MIRRORMODEL)
				ent.flags |= RF_MIRRORMODEL;

			ent.model = cl.model_draw[s1->modelindex4];
			V_AddEntity (&ent);
		}
#ifdef NEW_ENTITY_STATE_MEMBERS
		// 1/18/2002- extra model indices
		if (s1->modelindex5)
		{
			// Knightmare added for Psychospaz's chasecam
			if (isclientviewer)
				ent.flags |= RF_VIEWERMODEL;

			// Knightmare added for mirroring
			if (renderfx & RF_MIRRORMODEL)
				ent.flags |= RF_MIRRORMODEL;

			ent.model = cl.model_draw[s1->modelindex5];
			V_AddEntity (&ent);
		}
		if (s1->modelindex6)
		{
			// Knightmare added for Psychospaz's chasecam
			if (isclientviewer)
				ent.flags |= RF_VIEWERMODEL;

			// Knightmare added for mirroring
			if (renderfx & RF_MIRRORMODEL)
				ent.flags |= RF_MIRRORMODEL;

			ent.model = cl.model_draw[s1->modelindex6];
			V_AddEntity (&ent);
		}
#endif
		if ( effects & EF_POWERSCREEN )
		{
			ent.model = clMedia.mod_powerscreen;
			ent.oldframe = 0;
			ent.frame = 0;
			ent.flags |= (RF_TRANSLUCENT | RF_SHELL_GREEN);
			ent.alpha = 0.30;
			V_AddEntity (&ent);
		}

		// add automatic particle trails
		if ( (effects&~EF_ROTATE) )
		{
			if (effects & EF_ROCKET)
			{
				CL_RocketTrail (cent->lerp_origin, ent.origin, cent);
				V_AddLight (ent.origin, 200, 1, 1, 0);
			}
			// PGM - Do not reorder EF_BLASTER and EF_HYPERBLASTER. 
			// EF_BLASTER | EF_TRACKER is a special case for EF_BLASTER2... Cheese!
			else if (effects & EF_BLASTER)
			{
				if (effects & EF_TRACKER)	// lame... problematic?
				{
					CL_BlasterTrail (cent->lerp_origin, ent.origin, 50, 235, 50, -10, 0, -10);
					V_AddLight (ent.origin, 200, 0.15, 1, 0.15);		
				}
				//Knightmare- behold, the power of cheese!!
				else if (effects & EF_BLUEHYPERBLASTER) // EF_BLUEBLASTER
				{
					CL_BlasterTrail (cent->lerp_origin, ent.origin, 50, 50, 235, -10, 0, -10);
					V_AddLight (ent.origin, 200, 0.15, 0.15, 1);		
				}
				//Knightmare- behold, the power of cheese!!
				else if (effects & EF_IONRIPPER) // EF_REDBLASTER
				{
					CL_BlasterTrail (cent->lerp_origin, ent.origin, 235, 50, 50, 0, -90, -30);
					V_AddLight (ent.origin, 200, 1, 0.15, 0.15);		
				}
				else
				{
				//	if ((effects & EF_GREENGIB) && cl_blood->value >= 1) // EF_BLASTER|EF_GREENGIB effect
					if ((effects & EF_GREENGIB) && cl_blood->integer >= 1) // EF_BLASTER|EF_GREENGIB effect
						CL_DiminishingTrail (cent->lerp_origin, ent.origin, cent, effects);
					else
						CL_BlasterTrail (cent->lerp_origin, ent.origin, 255, 150, 50, 0, -90, -30);
					V_AddLight (ent.origin, 200, 1, 1, 0.15);
				}

			//PGM
			}
			else if (effects & EF_HYPERBLASTER)
			{
				if (effects & EF_TRACKER)						// PGM overloaded for hyperblaster2
				{
					V_AddLight (ent.origin, 200, 0.15, 1, 0.15);// PGM
				}
				else if (effects & EF_IONRIPPER) // overloaded for EF_REDHYPERBLASTER
				{
					V_AddLight (ent.origin, 200, 1, 0.15, 0.15);		
				}
				else											// PGM
				{
					V_AddLight (ent.origin, 200, 1, 1, 0.15);
				}
			}
			else if (effects & EF_GIB)
			{
			//	if (cl_blood->value >= 1)
				if (cl_blood->integer >= 1)
					CL_DiminishingTrail (cent->lerp_origin, ent.origin, cent, effects);
			}
			else if (effects & EF_GRENADE)
			{
				CL_DiminishingTrail (cent->lerp_origin, ent.origin, cent, effects);
			}
			else if (effects & EF_FLIES)
			{
				CL_FlyEffect (cent, ent.origin);
			}
			else if (effects & EF_BFG)
			{
				static int bfg_lightramp[6] = {300, 400, 600, 300, 150, 75};

				if (effects & EF_ANIM_ALLFAST)
				{
					CL_BfgParticles (&ent);
					i = 200;
				}
				else
				{
					i = bfg_lightramp[s1->frame];
				}
				V_AddLight (ent.origin, i, 0, 1, 0);
			}
			// RAFAEL
			else if (effects & EF_TRAP)
			{
				ent.origin[2] += 32;
				CL_TrapParticles (&ent);
				i = (rand()%100) + 100;
				V_AddLight (ent.origin, i, 1, 0.8, 0.1);
			}
			else if (effects & EF_FLAG1)
			{	// Knightmare 1/3/2002
				// EF_FLAG1|EF_FLAG2 is a special case for EF_FLAG3...  More cheese!
				if (effects & EF_FLAG2)
				{	//Knightmare- Psychospaz's enhanced particle code
					CL_FlagTrail (cent->lerp_origin, ent.origin, false, true);
					V_AddLight (ent.origin, 255, 0.1, 1, 0.1);
				}
				else
				{	//Knightmare- Psychospaz's enhanced particle code
					CL_FlagTrail (cent->lerp_origin, ent.origin, true, false);
					V_AddLight (ent.origin, 225, 1, 0.1, 0.1);
				}
				//end Knightmare
			}
			else if (effects & EF_FLAG2)
			{	//Knightmare- Psychospaz's enhanced particle code
				CL_FlagTrail (cent->lerp_origin, ent.origin, false, false);
				V_AddLight (ent.origin, 225, 0.1, 0.1, 1);
			}
//======
//ROGUE
			else if (effects & EF_TAGTRAIL)
			{
				CL_TagTrail (cent->lerp_origin, ent.origin, 220);
				V_AddLight (ent.origin, 225, 1.0, 1.0, 0.0);
			}
			else if (effects & EF_TRACKERTRAIL)
			{
				if (effects & EF_TRACKER)
				{
					float intensity;

					intensity = 50 + (500 * (sin(cl.time/500.0) + 1.0));
					V_AddLight (ent.origin, intensity, -1.0, -1.0, -1.0);
				}
				else
				{
					CL_Tracker_Shell (cent->lerp_origin);
					V_AddLight (ent.origin, 155, -1.0, -1.0, -1.0);
				}
			}
			else if (effects & EF_TRACKER)
			{	//Knightmare- this is replaced for Psychospaz's enhanced particle code
				CL_TrackerTrail (cent->lerp_origin, ent.origin);
				V_AddLight (ent.origin, 200, -1, -1, -1);
			}
//ROGUE
//======
			// RAFAEL
			else if (effects & EF_GREENGIB)
			{
			//	if (cl_blood->value >= 1) // disable blood option
				if (cl_blood->integer >= 1) // disable blood option
					CL_DiminishingTrail (cent->lerp_origin, ent.origin, cent, effects);				
			}
			// RAFAEL
			else if (effects & EF_IONRIPPER)
			{
				CL_IonripperTrail (cent->lerp_origin, ent.origin);
				V_AddLight (ent.origin, 100, 1, 0.5, 0.5);
			}
			// RAFAEL
			else if (effects & EF_BLUEHYPERBLASTER)
			{
				V_AddLight (ent.origin, 200, 0, 0, 1);
			}
			// RAFAEL
			else if (effects & EF_PLASMA)
			{
				if (effects & EF_ANIM_ALLFAST)
					CL_BlasterTrail (cent->lerp_origin, ent.origin, 255, 150, 50, 0, -90, -30);
				V_AddLight (ent.origin, 130, 1, 0.5, 0.5);
			}
		}

		VectorCopy (ent.origin, cent->lerp_origin);
	} //end for
}


/*
==============
CL_AddViewWeapon
==============
*/
void CL_AddViewWeapon (player_state_t *ps, player_state_t *ops)
{
	entity_t	gun;		// view model
	int			i;
#ifdef NEW_PLAYER_STATE_MEMBERS //Knightmare- second gun model
	entity_t	gun2;		// view model
#endif

	// dont draw if outside body...
	if ( IsThirdPerson() )
		return;
	// allow the gun to be completely removed
//	if (!cl_gun->value)
	if (!cl_gun->integer)
		return;

	// don't draw gun if in wide angle view
	if (ps->fov > 180) //Knightmare 1/4/2002 - was 90
		return;

	memset (&gun, 0, sizeof(gun));
#ifdef NEW_PLAYER_STATE_MEMBERS //Knightmare- second gun model
	memset (&gun2, 0, sizeof(gun2));
#endif

	if (gun_model)
		gun.model = gun_model;	// development tool
	else
		gun.model = cl.model_draw[ps->gunindex];

#ifdef NEW_PLAYER_STATE_MEMBERS //Knightmare- second gun model
	gun2.model = cl.model_draw[ps->gunindex2];
	if (!gun.model && !gun2.model)
		return;
#else
	if (!gun.model)
		return;
#endif

	if (gun.model)
	{
		// set up gun position
		for (i=0 ; i<3 ; i++)
		{
			gun.origin[i] = cl.refdef.vieworg[i] + ops->gunoffset[i]
				+ cl.lerpfrac * (ps->gunoffset[i] - ops->gunoffset[i]);
			gun.angles[i] = cl.refdef.viewangles[i] + LerpAngle (ops->gunangles[i],
				ps->gunangles[i], cl.lerpfrac);
		}

		if (gun_frame)
		{
			gun.frame = gun_frame;	// development tool
			gun.oldframe = gun_frame;	// development tool
		}
		else
		{
			gun.frame = ps->gunframe;
			if (gun.frame == 0)
				gun.oldframe = 0;	// just changed weapons, don't lerp from old
			else
				gun.oldframe = ops->gunframe;
		}
		//Knightmare- added changeable skin
#ifdef NEW_PLAYER_STATE_MEMBERS
		if (ps->gunskin)
			gun.skinnum = ops->gunskin;
#endif

		gun.flags = RF_MINLIGHT | RF_DEPTHHACK | RF_WEAPONMODEL;
		gun.backlerp = 1.0 - cl.lerpfrac;
		VectorCopy (gun.origin, gun.oldorigin);	// don't lerp at all
		V_AddEntity (&gun);

		//add shells for viewweaps (all of em!)
	//	if (cl_weapon_shells->value)
		if (cl_weapon_shells->integer)
		{
			int oldeffects = gun.flags, pnum;
			entity_state_t	*s1;

			for (pnum = 0 ; pnum<cl.frame.num_entities ; pnum++)
				if ((s1=&cl_parse_entities[(cl.frame.parse_entities+pnum)&(MAX_PARSE_ENTITIES-1)])->number == cl.playernum+1)
				{
					int effects = s1->renderfx;

					//if (effects & (RF_SHELL_RED|RF_SHELL_BLUE|RF_SHELL_GREEN) || s1->effects&(EF_PENT|EF_QUAD))
					if (s1->effects&(EF_PENT|EF_QUAD|EF_DOUBLE|EF_HALF_DAMAGE))
					{
						gun.flags = 0;
						if (s1->effects & EF_QUAD)
							gun.flags |= oldeffects | RF_TRANSLUCENT | RF_SHELL_BLUE;
						if (s1->effects & EF_PENT)
							gun.flags |= oldeffects | RF_TRANSLUCENT | RF_SHELL_RED;
						if (s1->effects & EF_DOUBLE && !(s1->effects&(EF_PENT|EF_QUAD)) )
							gun.flags |= oldeffects | RF_TRANSLUCENT | RF_SHELL_DOUBLE;
						if (s1->effects & EF_HALF_DAMAGE && !(s1->effects&(EF_PENT|EF_QUAD|EF_DOUBLE)) )
							gun.flags |= oldeffects | RF_TRANSLUCENT | RF_SHELL_HALF_DAM;

						gun.flags |= RF_TRANSLUCENT;
						gun.alpha = 0.30;
											
						V_AddEntity (&gun);
						/*if (s1->effects & EF_COLOR_SHELL && gun.flags & (RF_SHELL_RED|RF_SHELL_BLUE|RF_SHELL_GREEN))
						{
							gun.skin = R_RegisterSkin ("gfx/shell_generic.pcx");

							V_AddEntity (&gun);
						}
						if (s1->effects & EF_PENT)
						{
							gun.skin = R_RegisterSkin ("gfx/shell_generic.pcx");
							gun.flags = oldeffects | RF_TRANSLUCENT | RF_SHELL_RED;
							V_AddLight (gun.origin, 130, 1, 0.25, 0.25);
							V_AddLight (gun.origin, 100, 1, 0, 0);

							V_AddEntity (&gun);
						}
						if (s1->effects & EF_QUAD)
						{
							gun.skin = R_RegisterSkin ("gfx/shell_generic.pcx");
							gun.flags = oldeffects | RF_TRANSLUCENT | RF_SHELL_BLUE;
							V_AddLight (gun.origin, 130, 0.25, 0.5, 1);
							V_AddLight (gun.origin, 100, 0, 0.25, 1);

							V_AddEntity (&gun);
						}*/
					}
					break; // early termination
				}
			gun.flags = oldeffects;
		}
	}
	//Knightmare- second gun model
#ifdef NEW_PLAYER_STATE_MEMBERS
	if (gun2.model)
	{
		// set up gun2 position
		for (i=0 ; i<3 ; i++)
		{
			gun2.origin[i] = cl.refdef.vieworg[i] + ops->gunoffset[i]
				+ cl.lerpfrac * (ps->gunoffset[i] - ops->gunoffset[i]);
			gun2.angles[i] = cl.refdef.viewangles[i] + LerpAngle (ops->gunangles[i],
				ps->gunangles[i], cl.lerpfrac);
		}

		gun2.frame = ps->gunframe2;
		if (gun2.frame == 0)
			gun2.oldframe = 0;	// just changed weapons, don't lerp from old
		else
			gun2.oldframe = ops->gunframe2;

		if (ps->gunskin2)
			gun2.skinnum = ops->gunskin2;

		gun2.flags = RF_MINLIGHT | RF_DEPTHHACK | RF_WEAPONMODEL;
		gun2.backlerp = 1.0 - cl.lerpfrac;
		VectorCopy (gun2.origin, gun2.oldorigin);	// don't lerp at all
		V_AddEntity (&gun2);

		//add shells for viewweaps (all of em!)
	//	if (cl_weapon_shells->value)
		if (cl_weapon_shells->integer)
		{
			int oldeffects = gun2.flags, pnum;
			entity_state_t	*s1;

			for (pnum = 0 ; pnum<cl.frame.num_entities ; pnum++)
				if ((s1=&cl_parse_entities[(cl.frame.parse_entities+pnum)&(MAX_PARSE_ENTITIES-1)])->number == cl.playernum+1)
				{
					int effects = s1->renderfx;

					//if (effects & (RF_SHELL_RED|RF_SHELL_BLUE|RF_SHELL_GREEN) || s1->effects&(EF_PENT|EF_QUAD))
					if (s1->effects&(EF_PENT|EF_QUAD|EF_DOUBLE|EF_HALF_DAMAGE))
					{
						gun2.flags = 0;
						if (s1->effects & EF_QUAD)
							gun2.flags |= oldeffects | RF_TRANSLUCENT | RF_SHELL_BLUE;
						if (s1->effects & EF_PENT)
							gun2.flags |= oldeffects | RF_TRANSLUCENT | RF_SHELL_RED;
						if (s1->effects & EF_DOUBLE && !(s1->effects&(EF_PENT|EF_QUAD)) )
							gun2.flags |= oldeffects | RF_TRANSLUCENT | RF_SHELL_DOUBLE;
						if (s1->effects & EF_HALF_DAMAGE && !(s1->effects&(EF_PENT|EF_QUAD|EF_DOUBLE)) )
							gun2.flags |= oldeffects | RF_TRANSLUCENT | RF_SHELL_HALF_DAM;

						gun2.flags |= RF_TRANSLUCENT;
						gun2.alpha = 0.30;
											
						V_AddEntity (&gun2);
						/*if (s1->effects & EF_COLOR_SHELL && gun2.flags & (RF_SHELL_RED|RF_SHELL_BLUE|RF_SHELL_GREEN))
						{
							gun2.skin = R_RegisterSkin ("gfx/shell_generic.pcx");

							V_AddEntity (&gun2);
						}
						
						if (s1->effects & EF_PENT)
						{
							gun2.skin = R_RegisterSkin ("gfx/shell_generic.pcx");
							gun2.flags = oldeffects | RF_TRANSLUCENT | RF_SHELL_RED;
							V_AddLight (gun2.origin, 130, 1, 0.25, 0.25);
							V_AddLight (gun2.origin, 100, 1, 0, 0);

							V_AddEntity (&gun2);
						}
						if (s1->effects & EF_QUAD)
						{
							gun2.skin = R_RegisterSkin ("gfx/shell_generic.pcx");
							gun2.flags = oldeffects | RF_TRANSLUCENT | RF_SHELL_BLUE;
							V_AddLight (gun2.origin, 130, 0.25, 0.5, 1);
							V_AddLight (gun2.origin, 100, 0, 0.25, 1);

							V_AddEntity (&gun2);
						}*/
					}
					break; // early termination
				}
			gun2.flags = oldeffects;
		}
	}
#endif
}

/*
===============
SetUpCamera

===============
*/
// Knightmare- backup of client angles
vec3_t old_viewangles;

void SetUpCamera (void)
{
	vec3_t end, oldorg, camPosition, camForward;
	float dist_up, dist_back, dist_offset, angle;

	if ( !IsThirdPerson() )
		return;

	if (cg_thirdperson_dist->value < 0)
		Cvar_SetValue( "cg_thirdperson_dist", 0 );

	// Knightmare- backup old viewangles
	VectorCopy(cl.refdef.viewangles, old_viewangles);

	// and who said trig was pointless?
	angle = M_PI * cg_thirdperson_angle->value/180.0f;
	dist_up = cg_thirdperson_dist->value * sin( angle  );
	dist_back =  cg_thirdperson_dist->value * cos ( angle );
	dist_offset = cg_thirdperson_offset->value * ((hand->integer == 1) ? -1.0f : 1.0f);
	// finish polar vector

	VectorCopy(cl.refdef.vieworg, oldorg);
	if (cg_thirdperson_overhead->integer)
	{
		VectorCopy (cl.refdef.vieworg, end);
		end[2] += cg_thirdperson_overhead_dist->value;

		V_ClipCam (cl.refdef.vieworg, end, camPosition);
	}
	else if (cg_thirdperson_chase->integer)
	{
		vec3_t temp, temp2;

		VectorMA(cl.refdef.vieworg, -dist_back, cl.v_forward, end);
		VectorMA(end, dist_up, cl.v_up, end);
		VectorMA (end, dist_offset, cl.v_right, end);

		// move back so looking straight down want make us look towards ourself
		vectoangles2 (cl.v_forward, temp);
		temp[PITCH] = 0;
		temp[ROLL] = 0;
		AngleVectors (temp, temp2, NULL, NULL);
		VectorMA (end, -(dist_back/1.8f), temp2, end);

		V_ClipCam (cl.refdef.vieworg, end, camPosition);
	}
	else
	{
		vec3_t temp, viewForward, viewUp;

		vectoangles2(cl.v_forward, temp);
		temp[PITCH] = 0;
		temp[ROLL] = 0;
		AngleVectors(temp, viewForward, NULL, viewUp);

		VectorScale(viewForward, dist_up*0.5f, camForward);

		VectorMA(cl.refdef.vieworg, -dist_back, viewForward, end);
		VectorMA(end, dist_up, viewUp, end);
		
		V_ClipCam (cl.refdef.vieworg, end, camPosition);
	}


	VectorSubtract(camPosition, oldorg, end);
	V_CalcViewerCamTrans(VectorLength(end));

	if (cg_thirdperson_overhead->integer)
	{
		vec3_t newDir;

		newDir[PITCH] = 90;
		newDir[ROLL] = 0;
		if (cg_thirdperson_adjust->integer)
			newDir[YAW] = cl.refdef.viewangles[YAW];
		VectorCopy (newDir, cl.refdef.viewangles);
		VectorCopy (camPosition, cl.refdef.vieworg);
	}
	else if (cg_thirdperson_chase->integer)
	{	// now aim at where ever client is...
		vec3_t newDir, dir;

		if (cg_thirdperson_adjust->integer)
		{
			VectorMA(cl.refdef.vieworg, 8000, cl.v_forward, dir);
			V_ClipCam (cl.refdef.vieworg, dir, newDir); 

			VectorSubtract (newDir, camPosition, dir);
			VectorNormalize (dir);
			vectoangles2 (dir, newDir);

			AngleVectors (newDir, cl.v_forward, cl.v_right, cl.v_up);
			VectorCopy (newDir, cl.refdef.viewangles);
		}

		VectorCopy(camPosition, cl.refdef.vieworg);
	}
	else
	{
		vec3_t newDir[2], newPos;

		VectorSubtract (cl.predicted_origin, camPosition, newDir[0]);
		VectorNormalize (newDir[0]);
		vectoangles2 (newDir[0],newDir[1]);
		VectorCopy (newDir[1], cl.refdef.viewangles);

		VectorAdd (camForward, cl.refdef.vieworg, newPos);
		V_ClipCam (cl.refdef.vieworg, newPos, cl.refdef.vieworg);
	}
}

/*
===============
CL_CalcViewValues

Sets cl.refdef view values
===============
*/

void CL_CalcViewValues (void)
{
	int			i;
	float		lerp, backlerp;
	centity_t	*ent;
	frame_t		*oldframe;
	player_state_t	*ps, *ops;

	// find the previous frame to interpolate from
	ps = &cl.frame.playerstate;
	i = (cl.frame.serverframe - 1) & UPDATE_MASK;
	oldframe = &cl.frames[i];
	if (oldframe->serverframe != cl.frame.serverframe-1 || !oldframe->valid)
		oldframe = &cl.frame;		// previous frame was dropped or involid
	ops = &oldframe->playerstate;

	// see if the player entity was teleported this frame
	if ( fabs(ops->pmove.origin[0] - ps->pmove.origin[0]) > 256*8
		|| abs(ops->pmove.origin[1] - ps->pmove.origin[1]) > 256*8
		|| abs(ops->pmove.origin[2] - ps->pmove.origin[2]) > 256*8)
		ops = ps;		// don't interpolate

	ent = &cl_entities[cl.playernum+1];
	lerp = cl.lerpfrac;

	// calculate the origin
//	if ( (cl_predict->value) && !(cl.frame.playerstate.pmove.pm_flags & PMF_NO_PREDICTION)
	if ( (cl_predict->integer) && !(cl.frame.playerstate.pmove.pm_flags & PMF_NO_PREDICTION)
		&& !cl.attractloop ) // Jay Dolan fix- so long as we're not viewing a demo 
	{	// use predicted values
		unsigned	delta;

		backlerp = 1.0 - lerp;
		for (i=0 ; i<3 ; i++)
		{
			cl.refdef.vieworg[i] = cl.predicted_origin[i] + ops->viewoffset[i] 
				+ cl.lerpfrac * (ps->viewoffset[i] - ops->viewoffset[i])
				- backlerp * cl.prediction_error[i];
			// this smooths out platform riding
			cl.predicted_origin[i] -= backlerp * cl.prediction_error[i];
		}

		// smooth out stair climbing
		delta = cls.realtime - cl.predicted_step_time;
		if (delta < 100)
		{
			cl.refdef.vieworg[2] -= cl.predicted_step * (100 - delta) * 0.01;
			cl.predicted_origin[2] -= cl.predicted_step * (100 - delta) * 0.01;
		}
	}
	else
	{
		// just use interpolated values
		for (i=0; i<3; i++)
			cl.refdef.vieworg[i] = ops->pmove.origin[i]*0.125 + ops->viewoffset[i] 
				+ lerp * (ps->pmove.origin[i]*0.125 + ps->viewoffset[i] 
				- (ops->pmove.origin[i]*0.125 + ops->viewoffset[i]) );

		// Knightmare- set predicted origin anyway, it's needed for the chasecam
		VectorCopy(cl.refdef.vieworg, cl.predicted_origin);
		cl.predicted_origin[2] -= ops->viewoffset[2]; 
	}

	// if not running a demo or on a locked frame, add the local angle movement
	if ( cl.frame.playerstate.pmove.pm_type < PM_DEAD )
	{	// use predicted values
		for (i=0 ; i<3 ; i++)
			cl.refdef.viewangles[i] = cl.predicted_angles[i];
	}
	else
	{	// just use interpolated values
		for (i=0 ; i<3 ; i++)
			cl.refdef.viewangles[i] = LerpAngle (ops->viewangles[i], ps->viewangles[i], lerp);
	}

	for (i=0 ; i<3 ; i++)
		cl.refdef.viewangles[i] += LerpAngle (ops->kick_angles[i], ps->kick_angles[i], lerp);

	AngleVectors (cl.refdef.viewangles, cl.v_forward, cl.v_right, cl.v_up);

	// interpolate field of view
	cl.refdef.fov_x = cl.base_fov = ops->fov + lerp * (ps->fov - ops->fov);

	// don't interpolate blend color
	for (i=0 ; i<4 ; i++)
		cl.refdef.blend[i] = ps->blend[i];

	// add the weapon
	CL_AddViewWeapon (ps, ops);

	// set up chase cam
	SetUpCamera();
}

/*
===============
CL_AddEntities

Emits all entities, particles, and lights to the refresh
===============
*/
//void CalcViewerCamTrans (void);
void CL_AddEntities (void)
{
	if (cls.state != ca_active)
		return;

	if (cl.time > cl.frame.servertime)
	{
	//	if (cl_showclamp->value)
		if (cl_showclamp->integer)
			Com_Printf ("high clamp %i\n", cl.time - cl.frame.servertime);
		cl.time = cl.frame.servertime;
		cl.lerpfrac = 1.0;
	}
	else if (cl.time < cl.frame.servertime - 100)
	{
	//	if (cl_showclamp->value)
		if (cl_showclamp->integer)
			Com_Printf ("low clamp %i\n", cl.frame.servertime-100 - cl.time);
		cl.time = cl.frame.servertime - 100;
		cl.lerpfrac = 0;
	}
	else
		cl.lerpfrac = 1.0 - (cl.frame.servertime - cl.time) * 0.01;

//	if (cl_timedemo->value)
	if (cl_timedemo->integer)
		cl.lerpfrac = 1.0;

//	CL_AddPacketEntities (&cl.frame);
//	CL_AddTEnts ();
//	CL_AddParticles ();
//	CL_AddDLights ();
//	CL_AddLightStyles ();

	CL_CalcViewValues ();

	// Knightmare- added Psychospaz's chasecam
//	if ( IsThirdPerson() )
//		V_CalcViewerCamTrans ();

	// PMM - moved this here so the heat beam has the right values for the vieworg, and can lock the beam to the gun
	CL_AddPacketEntities (&cl.frame);

//	CL_AddProjectiles ();

#ifdef LOC_SUPPORT	 // Xile/NiceAss LOC
	CL_AddViewLocs();
#endif	// LOC_SUPPORT

	CL_AddTEnts ();
	CL_AddParticles ();
	CL_AddDLights ();
	CL_AddLightStyles ();
}



/*
===============
CL_GetEntitySoundOrigin

Called to get the sound spatialization origin
===============
*/
void CL_GetEntitySoundOrigin (int ent, vec3_t org)
{
	centity_t	*old;

	if (ent < 0 || ent >= MAX_EDICTS)
		Com_Error (ERR_DROP, "CL_GetEntitySoundOrigin: bad ent");
	old = &cl_entities[ent];
	VectorCopy (old->lerp_origin, org);

	// FIXME: bmodel issues...
}