ref: 762a13333eba9d50e5b186e7047f77d541d34d1a
dir: /client/cl_ents.c/
/*
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 <u.h>
#include <libc.h>
#include <stdio.h>
#include "../dat.h"
#include "../fns.h"
extern struct model_s *cl_mod_powerscreen;
//PGM
int vidref_val;
//PGM
/*
=========================================================================
FRAME PARSING
=========================================================================
*/
/* the following are commented out in release
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 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);
V_AddLight (pr->origin, 200, 1, 1, 0);
VectorCopy (pr->angles, ent.angles);
V_AddEntity (&ent);
}
}
*/
/*
=================
CL_ParseEntityBits
Returns the entity number and the header bits
=================
*/
int bitcounts[32]; /// just for protocol profiling
int CL_ParseEntityBits (int *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;
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);
}
/*
==================
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
|| 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 = nil;
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)
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)
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)
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)
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)
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));
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)
{
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)/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);
}
/*
==================
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);
}
}
/*
================
CL_ParseFrame
================
*/
void CL_ParseFrame (void)
{
int cmd;
int len;
frame_t *old;
memset (&cl.frame, 0, sizeof(cl.frame));
/*
CL_ClearProjectiles(); // clear projectiles for new frame
*/
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)
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);
// 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 (cmd == svc_packetentities2)
CL_ParseProjectiles();
*/
// 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;
n = CS_PLAYERSKINS + ent->number - 1;
if (cl.configstrings[n][0])
{
p = strchr(cl.configstrings[n], '\\');
if (p)
{
p += 1;
strcpy(model, p);
p = strchr(model, '/');
if (p)
*p = 0;
}
}
// if we can't figure it out, they're male
if (!model[0])
strcpy(model, "male");
Com_sprintf (buffer, sizeof(buffer), "players/%s/%s", model, base+1);
mdl = re.RegisterModel(buffer);
if (!mdl) {
// not found, try default weapon model
Com_sprintf (buffer, sizeof(buffer), "players/%s/weapon.md2", model);
mdl = re.RegisterModel(buffer);
if (!mdl) {
// no, revert to the male model
Com_sprintf (buffer, sizeof(buffer), "players/%s/%s", "male", base+1);
mdl = re.RegisterModel(buffer);
if (!mdl) {
// last try, default male weapon.md2
Com_sprintf (buffer, sizeof(buffer), "players/male/weapon.md2");
mdl = re.RegisterModel(buffer);
}
}
}
return mdl;
}
/*
===============
CL_AddPacketEntities
===============
*/
void CL_AddPacketEntities (frame_t *frame)
{
entity_t ent;
entity_state_t *s1;
float autorotate;
int i;
int pnum;
centity_t *cent;
int autoanim;
clientinfo_t *ci;
unsigned int effects, renderfx;
// 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));
for (pnum = 0 ; pnum<frame->num_entities ; pnum++)
{
s1 = &cl_parse_entities[(frame->parse_entities+pnum)&(MAX_PARSE_ENTITIES-1)];
cent = &cl_entities[s1->number];
effects = s1->effects;
renderfx = s1->renderfx;
// 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;
// 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 == 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
if (renderfx & RF_USE_DISGUISE)
{
if(!strncmp((char *)ent.skin, "players/male", 12))
{
ent.skin = re.RegisterSkin ("players/male/disguise.pcx");
ent.model = re.RegisterModel ("players/male/tris.md2");
}
else if(!strncmp((char *)ent.skin, "players/female", 14))
{
ent.skin = re.RegisterSkin ("players/female/disguise.pcx");
ent.model = re.RegisterModel ("players/female/tris.md2");
}
else if(!strncmp((char *)ent.skin, "players/cyborg", 14))
{
ent.skin = re.RegisterSkin ("players/cyborg/disguise.pcx");
ent.model = re.RegisterModel ("players/cyborg/tris.md2");
}
}
//PGM
//============
}
else
{
ent.skinnum = s1->skinnum;
ent.skin = NULL;
ent.model = cl.model_draw[s1->modelindex];
}
}
// 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;
}
// 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);
}
}
if (s1->number == cl.playernum+1)
{
ent.flags |= RF_VIEWERMODEL; // only draw from mirrors
// FIXME: still pass to refresh
if (effects & EF_FLAG1)
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
continue;
}
// if set to invisible, skip
if (!s1->modelindex)
continue;
if (effects & EF_BFG)
{
ent.flags |= RF_TRANSLUCENT;
ent.alpha = 0.30;
}
// 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
// add to refresh list
V_AddEntity (&ent);
// color shells generate a seperate entity for the main model
if (effects & EF_COLOR_SHELL)
{
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 = 0;
// duplicate for linked models
if (s1->modelindex2)
{
if (s1->modelindex2 == 255)
{ // 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)
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];
}
}
//PGM - hack to allow translucent linked models (defender sphere's shell)
// set the high bit 0x80 on modelindex2 to enable translucency
else if(s1->modelindex2 & 0x80)
{
ent.model = cl.model_draw[s1->modelindex2 & 0x7F];
ent.alpha = 0.32;
ent.flags = RF_TRANSLUCENT;
}
//PGM
else
ent.model = cl.model_draw[s1->modelindex2];
V_AddEntity (&ent);
//PGM - make sure these get reset.
ent.flags = 0;
ent.alpha = 0;
//PGM
}
if (s1->modelindex3)
{
ent.model = cl.model_draw[s1->modelindex3];
V_AddEntity (&ent);
}
if (s1->modelindex4)
{
ent.model = cl.model_draw[s1->modelindex4];
V_AddEntity (&ent);
}
if ( effects & EF_POWERSCREEN )
{
ent.model = cl_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)
{
// CL_BlasterTrail (cent->lerp_origin, ent.origin);
//PGM
if (effects & EF_TRACKER) // lame... problematic?
{
CL_BlasterTrail2 (cent->lerp_origin, ent.origin);
V_AddLight (ent.origin, 200, 0, 1, 0);
}
else
{
CL_BlasterTrail (cent->lerp_origin, ent.origin);
V_AddLight (ent.origin, 200, 1, 1, 0);
}
//PGM
}
else if (effects & EF_HYPERBLASTER)
{
if (effects & EF_TRACKER) // PGM overloaded for blaster2.
V_AddLight (ent.origin, 200, 0, 1, 0); // PGM
else // PGM
V_AddLight (ent.origin, 200, 1, 1, 0);
}
else if (effects & EF_GIB)
{
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)
{
CL_FlagTrail (cent->lerp_origin, ent.origin, 242);
V_AddLight (ent.origin, 225, 1, 0.1, 0.1);
}
else if (effects & EF_FLAG2)
{
CL_FlagTrail (cent->lerp_origin, ent.origin, 115);
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));
// FIXME - check out this effect in rendition
if(vidref_val == VIDREF_GL)
V_AddLight (ent.origin, intensity, -1.0, -1.0, -1.0);
else
V_AddLight (ent.origin, -1.0 * 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)
{
CL_TrackerTrail (cent->lerp_origin, ent.origin, 0);
// FIXME - check out this effect in rendition
if(vidref_val == VIDREF_GL)
V_AddLight (ent.origin, 200, -1, -1, -1);
else
V_AddLight (ent.origin, -200, 1, 1, 1);
}
//ROGUE
//======
// RAFAEL
else if (effects & EF_GREENGIB)
{
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);
}
V_AddLight (ent.origin, 130, 1, 0.5, 0.5);
}
}
VectorCopy (ent.origin, cent->lerp_origin);
}
}
/*
==============
CL_AddViewWeapon
==============
*/
void CL_AddViewWeapon (player_state_t *ps, player_state_t *ops)
{
entity_t gun; // view model
int i;
// allow the gun to be completely removed
if (!cl_gun->value)
return;
// don't draw gun if in wide angle view
if (ps->fov > 90)
return;
memset (&gun, 0, sizeof(gun));
if (gun_model)
gun.model = gun_model; // development tool
else
gun.model = cl.model_draw[ps->gunindex];
if (!gun.model)
return;
// 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;
}
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);
}
/*
===============
CL_CalcViewValues
Sets cl.refdef view values
===============
*/
void CL_CalcViewValues (void)
{
int i;
float lerp, backlerp;
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
lerp = cl.lerpfrac;
// calculate the origin
if ((cl_predict->value) && !(cl.frame.playerstate.pmove.pm_flags & PMF_NO_PREDICTION))
{ // 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];
}
// 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;
}
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]) );
}
// 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 = 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);
}
/*
===============
CL_AddEntities
Emits all entities, particles, and lights to the refresh
===============
*/
void CL_AddEntities (void)
{
if (cls.state != ca_active)
return;
if (cl.time > cl.frame.servertime)
{
if (cl_showclamp->value)
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)
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)
cl.lerpfrac = 1.0;
// CL_AddPacketEntities (&cl.frame);
// CL_AddTEnts ();
// CL_AddParticles ();
// CL_AddDLights ();
// CL_AddLightStyles ();
CL_CalcViewValues ();
// 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 ();
*/
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...
}