quakeforge/nq/source/cl_main.c

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/*
cl_main.c
entity parsing and management
Copyright (C) 1996-1997 Id Software, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
$Id$
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "QF/cmd.h"
#include "QF/compat.h"
#include "QF/console.h"
#include "QF/cvar.h"
#include "QF/input.h"
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#include "QF/keys.h"
#include "QF/msg.h"
#include "QF/screen.h"
#include "QF/va.h"
#include "client.h"
#include "chase.h"
#include "host.h"
#include "host.h"
#include "render.h"
#include "server.h"
byte *vid_colormap;
// we need to declare some mouse variables here, because the menu system
// references them even when on a unix system.
// these two are not intended to be set directly
cvar_t *cl_name;
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cvar_t *writecfg;
cvar_t *cl_shownet;
cvar_t *cl_nolerp;
cvar_t *cl_sbar;
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cvar_t *cl_sbar_separator;
cvar_t *cl_hudswap;
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cvar_t *cl_cshift_bonus;
cvar_t *cl_cshift_contents;
cvar_t *cl_cshift_damage;
cvar_t *cl_cshift_powerup;
cvar_t *lookspring;
cvar_t *m_pitch;
cvar_t *m_yaw;
cvar_t *m_forward;
cvar_t *m_side;
cvar_t *r_firecolor;
cvar_t *show_fps;
cvar_t *show_time;
int fps_count;
client_static_t cls;
client_state_t cl;
// FIXME: put these on hunk?
efrag_t cl_efrags[MAX_EFRAGS];
entity_t cl_entities[MAX_EDICTS];
entity_t cl_static_entities[MAX_STATIC_ENTITIES];
lightstyle_t cl_lightstyle[MAX_LIGHTSTYLES];
dlight_t cl_dlights[MAX_DLIGHTS];
int cl_numvisedicts;
entity_t *cl_visedicts[MAX_VISEDICTS];
void
CL_InitCvars (void)
{
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cl_cshift_bonus = Cvar_Get ("cl_cshift_bonus", "1", CVAR_ARCHIVE, NULL,
"Show bonus flash on item pickup");
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cl_cshift_contents = Cvar_Get ("cl_cshift_content", "1", CVAR_ARCHIVE,
NULL, "Shift view colors for contents "
"(water, slime, etc)");
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cl_cshift_damage = Cvar_Get ("cl_cshift_damage", "1", CVAR_ARCHIVE, NULL,
"Shift view colors on damage");
cl_cshift_powerup = Cvar_Get ("cl_cshift_powerup", "1", CVAR_ARCHIVE, NULL, "Shift view colors for powerups");
cl_warncmd = Cvar_Get ("cl_warncmd", "0", CVAR_NONE, NULL,
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"inform when execing a command");
cl_name = Cvar_Get ("_cl_name", "player", CVAR_ARCHIVE, NULL,
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"Player name");
cl_color = Cvar_Get ("_cl_color", "0", CVAR_ARCHIVE, NULL,
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"Player color");
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cl_anglespeedkey = Cvar_Get ("cl_anglespeedkey", "1.5", CVAR_NONE, NULL,
"turn `run' speed multiplier");
cl_backspeed = Cvar_Get ("cl_backspeed", "200", CVAR_ARCHIVE, NULL,
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"backward speed");
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cl_forwardspeed = Cvar_Get ("cl_forwardspeed", "200", CVAR_ARCHIVE, NULL,
"forward speed");
cl_movespeedkey = Cvar_Get ("cl_movespeedkey", "2.0", CVAR_NONE, NULL,
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"move `run' speed multiplier");
cl_pitchspeed = Cvar_Get ("cl_pitchspeed", "150", CVAR_NONE, NULL,
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"look up/down speed");
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cl_sidespeed = Cvar_Get ("cl_sidespeed", "350", CVAR_NONE, NULL,
"strafe speed");
cl_upspeed = Cvar_Get ("cl_upspeed", "200", CVAR_NONE, NULL,
"swim/fly up/down speed");
cl_yawspeed = Cvar_Get ("cl_yawspeed", "140", CVAR_NONE, NULL,
"turning speed");
cl_shownet = Cvar_Get ("cl_shownet", "0", CVAR_NONE, NULL,
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"show network packets. 0=off, 1=basic, 2=verbose");
cl_nolerp = Cvar_Get ("cl_nolerp", "0", CVAR_NONE, NULL,
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"linear motion interpolation");
cl_sbar = Cvar_Get ("cl_sbar", "0", CVAR_ARCHIVE, NULL,
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"status bar mode");
cl_hudswap = Cvar_Get ("cl_hudswap", "0", CVAR_ARCHIVE, NULL,
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"new HUD on left side?");
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lookspring = Cvar_Get ("lookspring", "0", CVAR_ARCHIVE, NULL, "Snap view "
"to center when moving and no mlook/klook");
m_pitch = Cvar_Get ("m_pitch", "0.022", CVAR_ARCHIVE, NULL,
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"mouse pitch (up/down) multipier");
m_yaw = Cvar_Get ("m_yaw", "0.022", CVAR_ARCHIVE, NULL,
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"mouse yaw (left/right) multipiler");
m_forward = Cvar_Get ("m_forward", "1", CVAR_ARCHIVE, NULL,
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"mouse forward/back speed");
m_side = Cvar_Get ("m_side", "0.8", CVAR_ARCHIVE, NULL,
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"mouse strafe speed");
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r_firecolor = Cvar_Get ("r_firecolor", "0.9 0.4 0", CVAR_ARCHIVE, NULL,
"color of rocket and lava ball fires");
show_fps = Cvar_Get ("show_fps", "0", CVAR_NONE, NULL,
"display realtime frames per second");
show_time = Cvar_Get ("show_time", "0", CVAR_NONE, NULL,
"display the current time");
}
void
CL_ClearState (void)
{
int i;
if (!sv.active)
Host_ClearMemory ();
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// wipe the entire cl structure
memset (&cl, 0, sizeof (cl));
SZ_Clear (&cls.message);
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// clear other arrays
memset (cl_efrags, 0, sizeof (cl_efrags));
memset (cl_entities, 0, sizeof (cl_entities));
memset (cl_dlights, 0, sizeof (cl_dlights));
memset (cl_lightstyle, 0, sizeof (cl_lightstyle));
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// allocate the efrags and chain together into a free list
cl.free_efrags = cl_efrags;
for (i = 0; i < MAX_EFRAGS - 1; i++)
cl.free_efrags[i].entnext = &cl.free_efrags[i + 1];
cl.free_efrags[i].entnext = NULL;
}
/*
CL_StopCshifts
Cleans the Cshifts, so your screen doesn't stay red after a timedemo :)
*/
void
CL_StopCshifts (void)
{
int i;
for (i = 0; i < NUM_CSHIFTS; i++)
cl.cshifts[i].percent = 0;
for (i = 0; i < MAX_CL_STATS; i++)
cl.stats[i] = 0;
}
/*
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CL_Disconnect
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Sends a disconnect message to the server
This is also called on Host_Error, so it shouldn't cause any errors
*/
void
CL_Disconnect (void)
{
// stop sounds (especially looping!)
S_StopAllSounds (true);
// Clean the Cshifts
CL_StopCshifts ();
// bring the console down and fade the colors back to normal
// SCR_BringDownConsole ();
// if running a local server, shut it down
if (cls.demoplayback)
CL_StopPlayback ();
else if (cls.state == ca_connected) {
if (cls.demorecording)
CL_Stop_f ();
Con_DPrintf ("Sending clc_disconnect\n");
SZ_Clear (&cls.message);
MSG_WriteByte (&cls.message, clc_disconnect);
NET_SendUnreliableMessage (cls.netcon, &cls.message);
SZ_Clear (&cls.message);
NET_Close (cls.netcon);
cls.state = ca_disconnected;
if (sv.active)
Host_ShutdownServer (false);
}
cls.demoplayback = cls.timedemo = false;
cls.signon = 0;
}
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void
CL_Disconnect_f (void)
{
CL_Disconnect ();
if (sv.active)
Host_ShutdownServer (false);
}
/*
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CL_EstablishConnection
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Host should be either "local" or a net address to be passed on
*/
void
CL_EstablishConnection (char *host)
{
if (cls.state == ca_dedicated)
return;
if (cls.demoplayback)
return;
CL_Disconnect ();
cls.netcon = NET_Connect (host);
if (!cls.netcon)
Host_Error ("CL_Connect: connect failed\n");
Con_DPrintf ("CL_EstablishConnection: connected to %s\n", host);
cls.demonum = -1; // not in the demo loop now
cls.state = ca_connected;
cls.signon = 0; // need all the signon messages
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// before playing
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key_dest = key_game;
}
/*
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CL_SignonReply
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An svc_signonnum has been received, perform a client side setup
*/
void
CL_SignonReply (void)
{
char str[8192];
Con_DPrintf ("CL_SignonReply: %i\n", cls.signon);
switch (cls.signon) {
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case 1:
MSG_WriteByte (&cls.message, clc_stringcmd);
MSG_WriteString (&cls.message, "prespawn");
break;
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case 2:
MSG_WriteByte (&cls.message, clc_stringcmd);
MSG_WriteString (&cls.message, va ("name \"%s\"\n", cl_name->string));
MSG_WriteByte (&cls.message, clc_stringcmd);
MSG_WriteString (&cls.message,
va ("color %i %i\n", (cl_color->int_val) >> 4,
(cl_color->int_val) & 15));
MSG_WriteByte (&cls.message, clc_stringcmd);
snprintf (str, sizeof (str), "spawn %s", cls.spawnparms);
MSG_WriteString (&cls.message, str);
break;
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case 3:
MSG_WriteByte (&cls.message, clc_stringcmd);
MSG_WriteString (&cls.message, "begin");
Cache_Report (); // print remaining memory
break;
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case 4:
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// SCR_EndLoadingPlaque (); // allow normal screen updates
break;
}
}
/*
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CL_NextDemo
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Called to play the next demo in the demo loop
*/
void
CL_NextDemo (void)
{
char str[1024];
if (cls.demonum == -1)
return; // don't play demos
if (!cls.demos[cls.demonum][0] || cls.demonum == MAX_DEMOS) {
cls.demonum = 0;
if (!cls.demos[cls.demonum][0]) {
Con_Printf ("No demos listed with startdemos\n");
cls.demonum = -1;
return;
}
}
snprintf (str, sizeof (str), "playdemo %s\n", cls.demos[cls.demonum]);
Cbuf_InsertText (str);
cls.demonum++;
}
void
CL_PrintEntities_f (void)
{
entity_t *ent;
int i;
for (i = 0, ent = cl_entities; i < cl.num_entities; i++, ent++) {
Con_Printf ("%3i:", i);
if (!ent->model) {
Con_Printf ("EMPTY\n");
continue;
}
Con_Printf ("%s:%2i (%5.1f,%5.1f,%5.1f) [%5.1f %5.1f %5.1f]\n",
ent->model->name, ent->frame, ent->origin[0],
ent->origin[1], ent->origin[2], ent->angles[0],
ent->angles[1], ent->angles[2]);
}
}
/*
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SetPal
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Debugging tool, just flashes the screen
*/
void
SetPal (int i)
{
#if 0
static int old;
byte pal[768];
int c;
if (i == old)
return;
old = i;
if (i == 0)
VID_SetPalette (vid_basepal);
else if (i == 1) {
for (c = 0; c < 768; c += 3) {
pal[c] = 0;
pal[c + 1] = 255;
pal[c + 2] = 0;
}
VID_SetPalette (pal);
} else {
for (c = 0; c < 768; c += 3) {
pal[c] = 0;
pal[c + 1] = 0;
pal[c + 2] = 255;
}
VID_SetPalette (pal);
}
#endif
}
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dlight_t *
CL_AllocDlight (int key)
{
int i;
dlight_t *dl;
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// first look for an exact key match
if (key) {
dl = cl_dlights;
for (i = 0; i < MAX_DLIGHTS; i++, dl++) {
if (dl->key == key) {
memset (dl, 0, sizeof (*dl));
dl->key = key;
return dl;
}
}
}
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// then look for anything else
dl = cl_dlights;
for (i = 0; i < MAX_DLIGHTS; i++, dl++) {
if (dl->die < cl.time) {
memset (dl, 0, sizeof (*dl));
dl->key = key;
return dl;
}
}
dl = &cl_dlights[0];
memset (dl, 0, sizeof (*dl));
dl->key = key;
return dl;
}
void
CL_NewDlight (int key, float x, float y, float z, float radius, float time,
int type)
{
dlight_t *dl;
dl = CL_AllocDlight (key);
dl->origin[0] = x;
dl->origin[1] = y;
dl->origin[2] = z;
dl->radius = radius;
dl->die = cl.time + time;
switch (type) {
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default:
case 0:
dl->color[0] = 0.4;
dl->color[1] = 0.2;
dl->color[2] = 0.05;
break;
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case 1: // blue
dl->color[0] = 0.05;
dl->color[1] = 0.05;
dl->color[2] = 0.5;
break;
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case 2: // red
dl->color[0] = 0.5;
dl->color[1] = 0.05;
dl->color[2] = 0.05;
break;
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case 3: // purple
dl->color[0] = 0.5;
dl->color[1] = 0.05;
dl->color[2] = 0.5;
break;
}
}
void
CL_DecayLights (void)
{
int i;
dlight_t *dl;
float time;
time = cl.time - cl.oldtime;
dl = cl_dlights;
for (i = 0; i < MAX_DLIGHTS; i++, dl++) {
if (dl->die < cl.time || !dl->radius)
continue;
dl->radius -= time * dl->decay;
if (dl->radius < 0)
dl->radius = 0;
}
}
/*
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CL_LerpPoint
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Determines the fraction between the last two messages that the objects
should be put at.
*/
float
CL_LerpPoint (void)
{
float f, frac;
f = cl.mtime[0] - cl.mtime[1];
if (!f || cl_nolerp->int_val || cls.timedemo || sv.active) {
cl.time = cl.mtime[0];
return 1;
}
if (f > 0.1) { // dropped packet, or start of demo
cl.mtime[1] = cl.mtime[0] - 0.1;
f = 0.1;
}
frac = (cl.time - cl.mtime[1]) / f;
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// Con_Printf ("frac: %f\n",frac);
if (frac < 0) {
if (frac < -0.01) {
SetPal (1);
cl.time = cl.mtime[1];
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// Con_Printf ("low frac\n");
}
frac = 0;
} else if (frac > 1) {
if (frac > 1.01) {
SetPal (2);
cl.time = cl.mtime[0];
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// Con_Printf ("high frac\n");
}
frac = 1;
} else
SetPal (0);
return frac;
}
void
CL_RelinkEntities (void)
{
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entity_t **_ent;
entity_t *ent;
int i, j;
float frac, f, d;
vec3_t delta;
float bobjrotate;
vec3_t oldorg;
dlight_t *dl;
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// determine partial update time
frac = CL_LerpPoint ();
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// interpolate player info
for (i = 0; i < 3; i++)
cl.velocity[i] = cl.mvelocity[1][i] +
frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
if (cls.demoplayback) {
// interpolate the angles
for (j = 0; j < 3; j++) {
d = cl.mviewangles[0][j] - cl.mviewangles[1][j];
if (d > 180)
d -= 360;
else if (d < -180)
d += 360;
cl.viewangles[j] = cl.mviewangles[1][j] + frac * d;
}
}
bobjrotate = anglemod (100 * cl.time);
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// start on the entity after the world
for (i = 1, ent = cl_entities + 1; i < cl.num_entities; i++, ent++) {
if (!ent->model) { // empty slot
if (ent->forcelink)
R_RemoveEfrags (ent); // just became empty
continue;
}
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// if the object wasn't included in the last packet, remove it
if (ent->msgtime != cl.mtime[0]) {
ent->model = NULL;
continue;
}
VectorCopy (ent->origin, oldorg);
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if (ent->forcelink) { // the entity was not updated in the
// last message so move to the final spot
VectorCopy (ent->msg_origins[0], ent->origin);
VectorCopy (ent->msg_angles[0], ent->angles);
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} else { // if the delta is large, assume a
// teleport and don't lerp
f = frac;
for (j = 0; j < 3; j++) {
delta[j] = ent->msg_origins[0][j] - ent->msg_origins[1][j];
if (delta[j] > 100 || delta[j] < -100)
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f = 1; // assume a teleportation, not a motion
}
// interpolate the origin and angles
for (j = 0; j < 3; j++) {
ent->origin[j] = ent->msg_origins[1][j] + f * delta[j];
d = ent->msg_angles[0][j] - ent->msg_angles[1][j];
if (d > 180)
d -= 360;
else if (d < -180)
d += 360;
ent->angles[j] = ent->msg_angles[1][j] + f * d;
}
}
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// rotate binary objects locally
if (ent->model->flags & EF_ROTATE)
ent->angles[1] = bobjrotate;
if (ent->effects & EF_BRIGHTFIELD)
R_EntityParticles (ent);
#ifdef QUAKE2
if (ent->effects & EF_DARKFIELD)
R_DarkFieldParticles (ent);
#endif
if (ent->effects & EF_MUZZLEFLASH) {
vec3_t fv, rv, uv;
dl = CL_AllocDlight (i);
VectorCopy (ent->origin, dl->origin);
dl->origin[2] += 16;
AngleVectors (ent->angles, fv, rv, uv);
VectorMA (dl->origin, 18, fv, dl->origin);
dl->radius = 200 + (rand () & 31);
dl->minlight = 32;
dl->die = cl.time + 0.1;
dl->color[0] = 0.2;
dl->color[1] = 0.1;
dl->color[2] = 0.05;
}
if ((ent->effects & (EF_BLUE | EF_RED)) == (EF_BLUE | EF_RED))
CL_NewDlight (i, ent->origin[0], ent->origin[1], ent->origin[2],
200 + (rand () & 31), 0.1, 3);
if (ent->effects & EF_BLUE)
CL_NewDlight (i, ent->origin[0], ent->origin[1], ent->origin[2],
200 + (rand () & 31), 0.1, 1);
if (ent->effects & EF_RED)
CL_NewDlight (i, ent->origin[0], ent->origin[1], ent->origin[2],
200 + (rand () & 31), 0.1, 2);
if (ent->effects & EF_BRIGHTLIGHT)
CL_NewDlight (i, ent->origin[0], ent->origin[1],
ent->origin[2] + 16, 400 + (rand () & 31), 0.001, 0);
if (ent->effects & EF_DIMLIGHT)
CL_NewDlight (i, ent->origin[0], ent->origin[1], ent->origin[2],
200 + (rand () & 31), 0.001, 0);
#ifdef QUAKE2
if (ent->effects & EF_DARKLIGHT) {
dl = CL_AllocDlight (i);
VectorCopy (ent->origin, dl->origin);
dl->radius = 200.0 + (rand () & 31);
dl->die = cl.time + 0.001;
dl->dark = true;
}
if (ent->effects & EF_LIGHT) {
dl = CL_AllocDlight (i);
VectorCopy (ent->origin, dl->origin);
dl->radius = 200;
dl->die = cl.time + 0.001;
}
#endif
if (VectorDistance_fast(ent->msg_origins[1], ent->origin) > (256*256))
VectorCopy (ent ->origin, ent->msg_origins[1]);
if (ent->model->flags & EF_ROCKET) {
dl = CL_AllocDlight (i);
VectorCopy (ent->origin, dl->origin);
VectorCopy (r_firecolor->vec, dl->color);
dl->radius = 200;
dl->die = cl.time + 0.1;
R_RocketTrail (0, ent);
} else if (ent->model->flags & EF_GRENADE)
R_RocketTrail (1, ent);
else if (ent->model->flags & EF_GIB)
R_RocketTrail (2, ent);
else if (ent->model->flags & EF_ZOMGIB)
R_RocketTrail (4, ent);
else if (ent->model->flags & EF_TRACER)
R_RocketTrail (3, ent);
else if (ent->model->flags & EF_TRACER2)
R_RocketTrail (5, ent);
else if (ent->model->flags & EF_TRACER3)
R_RocketTrail (6, ent);
ent->forcelink = false;
if (i == cl.viewentity && !chase_active->int_val)
continue;
#ifdef QUAKE2
if (ent->effects & EF_NODRAW)
continue;
#endif
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if ((_ent = CL_NewTempEntity ()))
*_ent = ent;
}
}
/*
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CL_ReadFromServer
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Read all incoming data from the server
*/
int
CL_ReadFromServer (void)
{
int ret;
cl.oldtime = cl.time;
cl.time += host_frametime;
do {
ret = CL_GetMessage ();
if (ret == -1)
Host_Error ("CL_ReadFromServer: lost server connection");
if (!ret)
break;
cl.last_received_message = realtime;
CL_ParseServerMessage ();
} while (ret && cls.state == ca_connected);
if (cl_shownet->int_val)
Con_Printf ("\n");
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cl_numvisedicts = 0;
CL_RelinkEntities ();
CL_UpdateTEnts ();
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// bring the links up to date
return 0;
}
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void
CL_SendCmd (void)
{
usercmd_t cmd;
if (cls.state != ca_connected)
return;
if (cls.signon == SIGNONS) {
CL_BaseMove (&cmd);
// send the unreliable message
CL_SendMove (&cmd);
}
if (cls.demoplayback) {
SZ_Clear (&cls.message);
return;
}
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// send the reliable message
if (!cls.message.cursize)
return; // no message at all
if (!NET_CanSendMessage (cls.netcon)) {
Con_DPrintf ("CL_WriteToServer: can't send\n");
return;
}
if (NET_SendMessage (cls.netcon, &cls.message) == -1)
Host_Error ("CL_WriteToServer: lost server connection");
SZ_Clear (&cls.message);
}
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void
CL_Init (void)
{
SZ_Alloc (&cls.message, 1024);
CL_InitInput ();
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CL_TEnts_Init ();
Cmd_AddCommand ("entities", CL_PrintEntities_f, "No Description");
Cmd_AddCommand ("disconnect", CL_Disconnect_f, "No Description");
Cmd_AddCommand ("record", CL_Record_f, "No Description");
Cmd_AddCommand ("stop", CL_Stop_f, "No Description");
Cmd_AddCommand ("playdemo", CL_PlayDemo_f, "No Description");
Cmd_AddCommand ("timedemo", CL_TimeDemo_f, "No Description");
Cmd_AddCommand ("maplist", COM_Maplist_f, "No Description");
}