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https://git.code.sf.net/p/quake/quakeforge-old
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785 lines
16 KiB
C
785 lines
16 KiB
C
/*
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cl_parse.c - parse a message received from the server
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <quakedef.h>
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#include <protocol.h>
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#include <sound.h>
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#include <net.h>
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#include <sys.h>
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#include <console.h>
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#include <sbar.h>
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#include <mathlib.h>
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#include <cdaudio.h>
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#include <screen.h>
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#include <lib_replace.h>
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#include <cmd.h>
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#include <client.h>
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#include <server.h>
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void CL_ParseUpdate (int bits);
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char *svc_strings[] =
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{
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"svc_bad",
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"svc_nop",
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"svc_disconnect",
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"svc_updatestat",
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"svc_version", // [long] server version
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"svc_setview", // [short] entity number
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"svc_sound", // <see code>
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"svc_time", // [float] server time
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"svc_print", // [string] null terminated string
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"svc_stufftext", // [string] stuffed into client's console buffer
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// the string should be \n terminated
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"svc_setangle", // [vec3] set the view angle to this absolute value
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"svc_serverinfo", // [long] version
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// [string] signon string
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// [string]..[0]model cache [string]...[0]sounds cache
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// [string]..[0]item cache
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"svc_lightstyle", // [byte] [string]
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"svc_updatename", // [byte] [string]
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"svc_updatefrags", // [byte] [short]
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"svc_clientdata", // <shortbits + data>
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"svc_stopsound", // <see code>
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"svc_updatecolors", // [byte] [byte]
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"svc_particle", // [vec3] <variable>
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"svc_damage", // [byte] impact [byte] blood [vec3] from
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"svc_spawnstatic",
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"OBSOLETE svc_spawnbinary",
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"svc_spawnbaseline",
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"svc_temp_entity", // <variable>
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"svc_setpause",
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"svc_signonnum",
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"svc_centerprint",
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"svc_killedmonster",
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"svc_foundsecret",
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"svc_spawnstaticsound",
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"svc_intermission",
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"svc_finale", // [string] music [string] text
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"svc_cdtrack", // [byte] track [byte] looptrack
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"svc_sellscreen",
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"svc_cutscene"
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};
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//=============================================================================
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/*
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===============
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CL_EntityNum
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This error checks and tracks the total number of entities
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===============
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*/
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entity_t *CL_EntityNum (int num)
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{
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if (num >= cl.num_entities)
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{
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if (num >= MAX_EDICTS)
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Host_Error ("CL_EntityNum: %i is an invalid number",num);
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while (cl.num_entities<=num)
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{
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cl_entities[cl.num_entities].colormap = vid.colormap;
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cl.num_entities++;
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}
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}
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return &cl_entities[num];
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}
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/*
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==================
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CL_ParseStartSoundPacket
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==================
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*/
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void CL_ParseStartSoundPacket(void)
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{
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vec3_t pos;
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int channel, ent;
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int sound_num;
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int volume;
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int field_mask;
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float attenuation;
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int i;
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field_mask = MSG_ReadByte();
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if (field_mask & SND_VOLUME)
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volume = MSG_ReadByte ();
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else
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volume = DEFAULT_SOUND_PACKET_VOLUME;
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if (field_mask & SND_ATTENUATION)
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attenuation = MSG_ReadByte () / 64.0;
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else
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attenuation = DEFAULT_SOUND_PACKET_ATTENUATION;
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channel = MSG_ReadShort ();
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sound_num = MSG_ReadByte ();
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ent = channel >> 3;
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channel &= 7;
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if (ent > MAX_EDICTS)
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Host_Error ("CL_ParseStartSoundPacket: ent = %i", ent);
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for (i=0 ; i<3 ; i++)
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pos[i] = MSG_ReadCoord ();
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S_StartSound (ent, channel, cl.sound_precache[sound_num], pos, volume/255.0, attenuation);
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}
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/*
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==================
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CL_KeepaliveMessage
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When the client is taking a long time to load stuff, send keepalive messages
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so the server doesn't disconnect.
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==================
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*/
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void CL_KeepaliveMessage (void)
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{
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float time;
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static float lastmsg;
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int ret;
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sizebuf_t old;
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byte olddata[8192];
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if (sv.active)
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return; // no need if server is local
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if (cls.demoplayback)
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return;
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// read messages from server, should just be nops
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old = net_message;
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memcpy (olddata, net_message.data, net_message.cursize);
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do
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{
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ret = CL_GetMessage ();
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switch (ret)
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{
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default:
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Host_Error ("CL_KeepaliveMessage: CL_GetMessage failed");
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case 0:
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break; // nothing waiting
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case 1:
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Host_Error ("CL_KeepaliveMessage: received a message");
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break;
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case 2:
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if (MSG_ReadByte() != svc_nop)
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Host_Error ("CL_KeepaliveMessage: datagram wasn't a nop");
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break;
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}
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} while (ret);
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net_message = old;
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memcpy (net_message.data, olddata, net_message.cursize);
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// check time
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time = Sys_DoubleTime ();
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if (time - lastmsg < 5)
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return;
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lastmsg = time;
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// write out a nop
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Con_Printf ("--> client to server keepalive\n");
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MSG_WriteByte (&cls.netchan.message, clc_nop);
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NET_SendMessage (cls.netcon, &cls.netchan.message);
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SZ_Clear (&cls.netchan.message);
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}
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/*
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==================
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CL_ParseServerInfo
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==================
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*/
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void CL_ParseServerInfo (void)
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{
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char *str;
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int i;
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int nummodels, numsounds;
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char model_precache[MAX_MODELS][MAX_QPATH];
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char sound_precache[MAX_SOUNDS][MAX_QPATH];
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Con_DPrintf ("Serverinfo packet received.\n");
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//
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// wipe the client_state_t struct
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//
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CL_ClearState ();
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// parse protocol version number
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i = MSG_ReadLong ();
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if (i != PROTOCOL_VERSION)
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{
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Con_Printf ("Server returned version %i, not %i", i, PROTOCOL_VERSION);
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return;
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}
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// parse maxclients
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cl.maxclients = MSG_ReadByte ();
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if (cl.maxclients < 1 || cl.maxclients > MAX_SCOREBOARD)
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{
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Con_Printf("Bad maxclients (%u) from server\n", cl.maxclients);
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return;
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}
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cl.scores = Hunk_AllocName (cl.maxclients*sizeof(*cl.scores), "scores");
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// parse gametype
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cl.gametype = MSG_ReadByte ();
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// parse signon message
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str = MSG_ReadString ();
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strncpy (cl.levelname, str, sizeof(cl.levelname)-1);
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// seperate the printfs so the server message can have a color
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Con_Printf("\n\n\35\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\37\n\n");
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Con_Printf ("%c%s\n", 2, str);
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//
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// first we go through and touch all of the precache data that still
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// happens to be in the cache, so precaching something else doesn't
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// needlessly purge it
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//
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// precache models
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memset (cl.model_precache, 0, sizeof(cl.model_precache));
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for (nummodels=1 ; ; nummodels++)
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{
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str = MSG_ReadString ();
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if (!str[0])
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break;
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if (nummodels==MAX_MODELS)
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{
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Con_Printf ("Server sent too many model precaches\n");
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return;
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}
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strcpy (model_precache[nummodels], str);
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Mod_TouchModel (str);
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}
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// precache sounds
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memset (cl.sound_precache, 0, sizeof(cl.sound_precache));
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for (numsounds=1 ; ; numsounds++)
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{
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str = MSG_ReadString ();
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if (!str[0])
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break;
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if (numsounds==MAX_SOUNDS)
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{
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Con_Printf ("Server sent too many sound precaches\n");
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return;
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}
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strcpy (sound_precache[numsounds], str);
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S_TouchSound (str);
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}
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//
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// now we try to load everything else until a cache allocation fails
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//
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for (i=1 ; i<nummodels ; i++)
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{
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cl.model_precache[i] = Mod_ForName (model_precache[i], false);
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if (cl.model_precache[i] == NULL)
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{
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Con_Printf("Model %s not found\n", model_precache[i]);
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return;
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}
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CL_KeepaliveMessage ();
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}
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S_BeginPrecaching ();
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for (i=1 ; i<numsounds ; i++)
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{
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cl.sound_precache[i] = S_PrecacheSound (sound_precache[i]);
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CL_KeepaliveMessage ();
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}
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S_EndPrecaching ();
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// local state
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cl_entities[0].model = cl.worldmodel = cl.model_precache[1];
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R_NewMap ();
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Hunk_Check (); // make sure nothing is hurt
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noclip_anglehack = false; // noclip is turned off at start
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}
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/*
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==================
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CL_ParseBaseline
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==================
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*/
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void CL_ParseBaseline (entity_t *ent)
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{
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int i;
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ent->baseline.modelindex = MSG_ReadByte ();
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ent->baseline.frame = MSG_ReadByte ();
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ent->baseline.colormap = MSG_ReadByte();
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ent->baseline.skinnum = MSG_ReadByte();
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for (i=0 ; i<3 ; i++)
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{
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ent->baseline.origin[i] = MSG_ReadCoord ();
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ent->baseline.angles[i] = MSG_ReadAngle ();
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}
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}
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/*
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==================
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CL_ParseClientdata
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Server information pertaining to this client only
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==================
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*/
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void CL_ParseClientdata (int bits)
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{
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int i, j;
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if (bits & SU_VIEWHEIGHT)
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cl.viewheight = MSG_ReadChar ();
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else
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cl.viewheight = DEFAULT_VIEWHEIGHT;
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if (bits & SU_IDEALPITCH)
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cl.idealpitch = MSG_ReadChar ();
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else
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cl.idealpitch = 0;
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VectorCopy (cl.mvelocity[0], cl.mvelocity[1]);
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for (i=0 ; i<3 ; i++)
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{
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if (bits & (SU_PUNCH1<<i) ) {
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if (PITCH == i)
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cl.punchangle = MSG_ReadChar();
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else
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MSG_ReadChar();
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}
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if (bits & (SU_VELOCITY1<<i) )
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cl.mvelocity[0][i] = MSG_ReadChar()*16;
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else
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cl.mvelocity[0][i] = 0;
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}
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// [always sent] if (bits & SU_ITEMS)
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i = MSG_ReadLong ();
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if (cl.items != i)
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{ // set flash times
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Sbar_Changed ();
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for (j=0 ; j<32 ; j++)
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if ( (i & (1<<j)) && !(cl.items & (1<<j)))
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cl.item_gettime[j] = cl.time;
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cl.items = i;
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}
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cl.onground = (bits & SU_ONGROUND) != 0;
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cl.inwater = (bits & SU_INWATER) != 0;
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if (bits & SU_WEAPONFRAME)
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cl.stats[STAT_WEAPONFRAME] = MSG_ReadByte ();
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else
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cl.stats[STAT_WEAPONFRAME] = 0;
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if (bits & SU_ARMOR)
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i = MSG_ReadByte ();
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else
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i = 0;
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if (cl.stats[STAT_ARMOR] != i)
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{
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cl.stats[STAT_ARMOR] = i;
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Sbar_Changed ();
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}
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if (bits & SU_WEAPON)
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i = MSG_ReadByte ();
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else
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i = 0;
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if (cl.stats[STAT_WEAPON] != i)
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{
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cl.stats[STAT_WEAPON] = i;
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Sbar_Changed ();
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}
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i = MSG_ReadShort ();
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if (cl.stats[STAT_HEALTH] != i)
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{
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cl.stats[STAT_HEALTH] = i;
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Sbar_Changed ();
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}
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i = MSG_ReadByte ();
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if (cl.stats[STAT_AMMO] != i)
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{
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cl.stats[STAT_AMMO] = i;
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Sbar_Changed ();
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}
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for (i=0 ; i<4 ; i++)
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{
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j = MSG_ReadByte ();
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if (cl.stats[STAT_SHELLS+i] != j)
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{
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cl.stats[STAT_SHELLS+i] = j;
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Sbar_Changed ();
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}
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}
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i = MSG_ReadByte ();
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if (standard_quake)
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{
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if (cl.stats[STAT_ACTIVEWEAPON] != i)
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{
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cl.stats[STAT_ACTIVEWEAPON] = i;
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Sbar_Changed ();
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}
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}
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else
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{
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if (cl.stats[STAT_ACTIVEWEAPON] != (1<<i))
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{
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cl.stats[STAT_ACTIVEWEAPON] = (1<<i);
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Sbar_Changed ();
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}
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}
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}
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/*
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=====================
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CL_ParseStatic
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=====================
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*/
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void CL_ParseStatic (void)
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{
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entity_t *ent;
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int i;
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i = cl.num_statics;
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if (i >= MAX_STATIC_ENTITIES)
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Host_Error ("Too many static entities");
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ent = &cl_static_entities[i];
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cl.num_statics++;
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CL_ParseBaseline (ent);
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// copy it to the current state
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ent->model = cl.model_precache[ent->baseline.modelindex];
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ent->frame = ent->baseline.frame;
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ent->colormap = vid.colormap;
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ent->skinnum = ent->baseline.skinnum;
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ent->effects = ent->baseline.effects;
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VectorCopy (ent->baseline.origin, ent->origin);
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VectorCopy (ent->baseline.angles, ent->angles);
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R_AddEfrags (ent);
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}
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/*
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===================
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CL_ParseStaticSound
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===================
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*/
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void CL_ParseStaticSound (void)
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{
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vec3_t org;
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int sound_num, vol, atten;
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int i;
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for (i=0 ; i<3 ; i++)
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org[i] = MSG_ReadCoord ();
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sound_num = MSG_ReadByte ();
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vol = MSG_ReadByte ();
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atten = MSG_ReadByte ();
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S_StaticSound (cl.sound_precache[sound_num], org, vol, atten);
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}
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#define SHOWNET(x) if(cl_shownet.value==2)Con_Printf ("%3i:%s\n", msg_readcount-1, x);
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/*
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=====================
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CL_ParseServerMessage
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=====================
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*/
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void CL_ParseServerMessage (void)
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{
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int cmd;
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int i;
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char ch;
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//
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// if recording demos, copy the message out
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//
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if (cl_shownet.value == 1)
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Con_Printf ("%i ",net_message.cursize);
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else if (cl_shownet.value == 2)
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Con_Printf ("------------------\n");
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cl.onground = false; // unless the server says otherwise
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//
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// parse the message
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//
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MSG_BeginReading ();
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while (1)
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{
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if (msg_badread)
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Host_Error ("CL_ParseServerMessage: Bad server message");
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cmd = MSG_ReadByte ();
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if (cmd == -1)
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{
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SHOWNET("END OF MESSAGE");
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return; // end of message
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}
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// if the high bit of the command byte is set, it is a fast update
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if (cmd & 128)
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{
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SHOWNET("fast update");
|
|
CL_ParseUpdate (cmd&127);
|
|
continue;
|
|
}
|
|
|
|
SHOWNET(svc_strings[cmd]);
|
|
|
|
// other commands
|
|
switch (cmd)
|
|
{
|
|
default:
|
|
Host_Error ("CL_ParseServerMessage: Illegible server message\n");
|
|
break;
|
|
|
|
case svc_nop:
|
|
// Con_Printf ("svc_nop\n");
|
|
break;
|
|
|
|
case svc_time:
|
|
cl.mtime[1] = cl.mtime[0];
|
|
cl.mtime[0] = MSG_ReadFloat ();
|
|
break;
|
|
|
|
case svc_clientdata:
|
|
i = MSG_ReadShort ();
|
|
CL_ParseClientdata (i);
|
|
break;
|
|
|
|
case svc_version:
|
|
i = MSG_ReadLong ();
|
|
if (i != PROTOCOL_VERSION)
|
|
Host_Error ("CL_ParseServerMessage: Server is protocol %i instead of %i\n", i, PROTOCOL_VERSION);
|
|
break;
|
|
|
|
case svc_disconnect:
|
|
Host_EndGame ("Server disconnected\n");
|
|
|
|
case svc_print:
|
|
ch = MSG_ReadChar ();
|
|
if (ch == '\x01') {
|
|
S_LocalSound ("misc/talk.wav");
|
|
con_ormask = 128;
|
|
}
|
|
Con_Printf ("%c%s", ch, MSG_ReadString ());
|
|
con_ormask = 0;
|
|
break;
|
|
|
|
case svc_centerprint:
|
|
SCR_CenterPrint (MSG_ReadString ());
|
|
break;
|
|
|
|
case svc_stufftext:
|
|
Cbuf_AddText (MSG_ReadString ());
|
|
break;
|
|
|
|
case svc_damage:
|
|
V_ParseDamage ();
|
|
break;
|
|
|
|
case svc_serverinfo:
|
|
CL_ParseServerInfo ();
|
|
vid.recalc_refdef = true; // leave intermission full screen
|
|
break;
|
|
|
|
case svc_setangle:
|
|
for (i=0 ; i<3 ; i++)
|
|
cl.viewangles[i] = MSG_ReadAngle ();
|
|
break;
|
|
|
|
case svc_setview:
|
|
cl.playernum = MSG_ReadShort ();
|
|
cl.playernum--;
|
|
break;
|
|
|
|
case svc_lightstyle:
|
|
i = MSG_ReadByte ();
|
|
if (i >= MAX_LIGHTSTYLES)
|
|
Sys_Error ("svc_lightstyle > MAX_LIGHTSTYLES");
|
|
Q_strcpy (cl_lightstyle[i].map, MSG_ReadString());
|
|
cl_lightstyle[i].length = Q_strlen(cl_lightstyle[i].map);
|
|
break;
|
|
|
|
case svc_sound:
|
|
CL_ParseStartSoundPacket();
|
|
break;
|
|
|
|
case svc_stopsound:
|
|
i = MSG_ReadShort();
|
|
S_StopSound(i>>3, i&7);
|
|
break;
|
|
|
|
case svc_updatename:
|
|
Sbar_Changed ();
|
|
i = MSG_ReadByte ();
|
|
if (i >= cl.maxclients)
|
|
Host_Error ("CL_ParseServerMessage: svc_updatename > MAX_SCOREBOARD");
|
|
strcpy (cl.scores[i].name, MSG_ReadString ());
|
|
break;
|
|
|
|
case svc_updatefrags:
|
|
Sbar_Changed ();
|
|
i = MSG_ReadByte ();
|
|
if (i >= cl.maxclients)
|
|
Host_Error ("CL_ParseServerMessage: svc_updatefrags > MAX_SCOREBOARD");
|
|
cl.scores[i].frags = MSG_ReadShort ();
|
|
break;
|
|
|
|
case svc_updatecolors:
|
|
Sbar_Changed ();
|
|
i = MSG_ReadByte ();
|
|
if (i >= cl.maxclients)
|
|
Host_Error ("CL_ParseServerMessage: svc_updatecolors > MAX_SCOREBOARD");
|
|
cl.scores[i].colors = MSG_ReadByte ();
|
|
CL_NewTranslation (i);
|
|
break;
|
|
|
|
case svc_particle:
|
|
R_ParseParticleEffect ();
|
|
break;
|
|
|
|
case svc_spawnbaseline:
|
|
i = MSG_ReadShort ();
|
|
// must use CL_EntityNum() to force cl.num_entities up
|
|
CL_ParseBaseline (CL_EntityNum(i));
|
|
break;
|
|
case svc_spawnstatic:
|
|
CL_ParseStatic ();
|
|
break;
|
|
case svc_temp_entity:
|
|
CL_ParseTEnt ();
|
|
break;
|
|
|
|
case svc_setpause:
|
|
{
|
|
cl.paused = MSG_ReadByte ();
|
|
|
|
if (cl.paused)
|
|
{
|
|
CDAudio_Pause ();
|
|
#ifdef _WIN32
|
|
VID_HandlePause (true);
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
CDAudio_Resume ();
|
|
#ifdef _WIN32
|
|
VID_HandlePause (false);
|
|
#endif
|
|
}
|
|
}
|
|
break;
|
|
|
|
case svc_signonnum:
|
|
i = MSG_ReadByte ();
|
|
if (i <= cls.signon)
|
|
Host_Error ("Received signon %i when at %i", i, cls.signon);
|
|
cls.signon = i;
|
|
CL_SignonReply ();
|
|
break;
|
|
|
|
case svc_killedmonster:
|
|
cl.stats[STAT_MONSTERS]++;
|
|
break;
|
|
|
|
case svc_foundsecret:
|
|
cl.stats[STAT_SECRETS]++;
|
|
break;
|
|
|
|
case svc_updatestat:
|
|
i = MSG_ReadByte ();
|
|
if (i < 0 || i >= MAX_CL_STATS)
|
|
Sys_Error ("svc_updatestat: %i is invalid", i);
|
|
cl.stats[i] = MSG_ReadLong ();;
|
|
break;
|
|
|
|
case svc_spawnstaticsound:
|
|
CL_ParseStaticSound ();
|
|
break;
|
|
|
|
case svc_cdtrack:
|
|
cl.cdtrack = MSG_ReadByte ();
|
|
//cl.looptrack = MSG_ReadByte ();
|
|
MSG_ReadByte ();
|
|
if ( (cls.demoplayback || cls.demorecording) && (cls.forcetrack != -1) )
|
|
CDAudio_Play ((byte)cls.forcetrack, true);
|
|
else
|
|
CDAudio_Play ((byte)cl.cdtrack, true);
|
|
break;
|
|
|
|
case svc_intermission:
|
|
cl.intermission = 1;
|
|
cl.completed_time = cl.time;
|
|
vid.recalc_refdef = true; // go to full screen
|
|
break;
|
|
|
|
case svc_finale:
|
|
cl.intermission = 2;
|
|
cl.completed_time = cl.time;
|
|
vid.recalc_refdef = true; // go to full screen
|
|
SCR_CenterPrint (MSG_ReadString ());
|
|
break;
|
|
|
|
case svc_cutscene:
|
|
cl.intermission = 3;
|
|
cl.completed_time = cl.time;
|
|
vid.recalc_refdef = true; // go to full screen
|
|
SCR_CenterPrint (MSG_ReadString ());
|
|
break;
|
|
|
|
case svc_sellscreen:
|
|
Cmd_ExecuteString ("help", src_command);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|