mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-10 15:22:04 +00:00
535 lines
12 KiB
C
535 lines
12 KiB
C
/*
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net_svc.c
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(description)
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Copyright (C) 2001 Adam Olsen
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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:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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static const char rcsid[] =
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"$Id$";
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifndef _WIN32
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# ifdef HAVE_UNISTD_H
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# include <unistd.h>
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# endif
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#else
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# include <windows.h>
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include "QF/msg.h"
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#include "QF/sound.h"
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#include "compat.h"
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#include "msg_ucmd.h" // FIXME
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#include "net_svc.h"
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qboolean
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NET_SVC_Print_Parse (net_svc_print_t *block, msg_t *msg)
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{
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block->level = MSG_ReadByte (msg);
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block->message = MSG_ReadString (msg);
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return msg->badread;
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}
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qboolean
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NET_SVC_Damage_Parse (net_svc_damage_t *block, msg_t *msg)
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{
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int i;
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block->armor = MSG_ReadByte (msg);
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block->blood = MSG_ReadByte (msg);
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for (i = 0; i < 3; i++)
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block->from[i] = MSG_ReadCoord (msg);
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return msg->badread;
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}
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qboolean
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NET_SVC_ServerData_Parse (net_svc_serverdata_t *block, msg_t *msg)
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{
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block->protocolversion = MSG_ReadLong (msg);
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// I could abort now if the version is wrong, but why bother?
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block->servercount = MSG_ReadLong (msg);
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block->gamedir = MSG_ReadString (msg);
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// high bit means spectator
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block->playernum = MSG_ReadByte (msg);
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block->spectator = block->playernum >> 7;
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block->playernum &= ~(1 << 7);
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block->levelname = MSG_ReadString (msg);
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block->movevars.gravity = MSG_ReadFloat (msg);
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block->movevars.stopspeed = MSG_ReadFloat (msg);
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block->movevars.maxspeed = MSG_ReadFloat (msg);
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block->movevars.spectatormaxspeed = MSG_ReadFloat (msg);
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block->movevars.accelerate = MSG_ReadFloat (msg);
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block->movevars.airaccelerate = MSG_ReadFloat (msg);
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block->movevars.wateraccelerate = MSG_ReadFloat (msg);
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block->movevars.friction = MSG_ReadFloat (msg);
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block->movevars.waterfriction = MSG_ReadFloat (msg);
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block->movevars.entgravity = MSG_ReadFloat (msg);
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return msg->badread;
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}
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qboolean
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NET_SVC_Sound_Parse (net_svc_sound_t *block, msg_t *msg)
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{
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int i, header;
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header = MSG_ReadShort (msg);
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if (header & SND_VOLUME)
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block->volume = MSG_ReadByte (msg) / 255.0;
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else
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block->volume = DEFAULT_SOUND_PACKET_VOLUME / 255.0;
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if (header & SND_ATTENUATION)
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block->attenuation = MSG_ReadByte (msg) / 64.0;
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else
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block->attenuation = DEFAULT_SOUND_PACKET_ATTENUATION;
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block->sound_num = MSG_ReadByte (msg);
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for (i = 0; i < 3; i++)
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block->position[i] = MSG_ReadCoord (msg);
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block->entity = (header >> 3) & 1023;
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block->channel = header & 7;
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return msg->badread;
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}
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qboolean
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NET_SVC_SpawnBaseline_Parse (net_svc_spawnbaseline_t *block, msg_t *msg)
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{
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int i;
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block->num = MSG_ReadShort (msg);
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block->modelindex = MSG_ReadByte (msg);
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block->frame = MSG_ReadByte (msg);
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block->colormap = MSG_ReadByte (msg);
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block->skinnum = MSG_ReadByte (msg);
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// these are interlaced? bad drugs...
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for (i = 0; i < 3; i ++) {
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block->origin[i] = MSG_ReadCoord (msg);
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block->angles[i] = MSG_ReadAngle (msg);
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}
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return msg->badread;
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}
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qboolean
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NET_SVC_SpawnStatic_Parse (net_svc_spawnstatic_t *block, msg_t *msg)
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{
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int i;
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block->modelindex = MSG_ReadByte (msg);
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block->frame = MSG_ReadByte (msg);
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block->colormap = MSG_ReadByte (msg);
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block->skinnum = MSG_ReadByte (msg);
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// these are interlaced? bad drugs...
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for (i = 0; i < 3; i ++) {
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block->origin[i] = MSG_ReadCoord (msg);
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block->angles[i] = MSG_ReadAngle (msg);
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}
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return msg->badread;
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}
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qboolean
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NET_SVC_TempEntity_Parse (net_svc_tempentity_t *block, msg_t *msg)
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{
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int i;
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block->type = MSG_ReadByte (msg);
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switch (block->type) {
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case TE_WIZSPIKE:
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case TE_KNIGHTSPIKE:
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case TE_SPIKE:
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case TE_SUPERSPIKE:
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case TE_EXPLOSION:
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case TE_TAREXPLOSION:
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case TE_LAVASPLASH:
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case TE_TELEPORT:
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case TE_LIGHTNINGBLOOD:
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for (i = 0; i < 3; i++)
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block->position[i] = MSG_ReadCoord (msg);
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break;
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case TE_LIGHTNING1:
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case TE_LIGHTNING2:
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case TE_LIGHTNING3:
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case TE_BEAM:
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block->beamentity = MSG_ReadShort (msg);
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for (i = 0; i < 3; i++)
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block->position[i] = MSG_ReadCoord (msg);
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for (i = 0; i < 3; i++)
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block->beamend[i] = MSG_ReadCoord (msg);
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break;
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case TE_EXPLOSION2:
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for (i = 0; i < 3; i++)
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block->position[i] = MSG_ReadCoord (msg);
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block->colorstart = MSG_ReadByte (msg);
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block->colorlength = MSG_ReadByte (msg);
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break;
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case TE_GUNSHOT:
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case TE_BLOOD:
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block->gunshotcount = MSG_ReadByte (msg);
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for (i = 0; i < 3; i++)
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block->position[i] = MSG_ReadCoord (msg);
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break;
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}
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return msg->badread;
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}
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qboolean
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NET_SVC_SpawnStaticSound_Parse (net_svc_spawnstaticsound_t *block,
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msg_t *msg)
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{
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int i;
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for (i = 0; i < 3; i++)
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block->position[i] = MSG_ReadCoord (msg);
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block->sound_num = MSG_ReadByte (msg);
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block->volume = MSG_ReadByte (msg);
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block->attenuation = MSG_ReadByte (msg);
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return msg->badread;
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}
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qboolean
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NET_SVC_UpdateUserInfo_Parse (net_svc_updateuserinfo_t *block,
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msg_t *msg)
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{
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block->slot = MSG_ReadByte (msg);
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block->userid = MSG_ReadLong (msg);
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block->userinfo = MSG_ReadString (msg);
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return msg->badread;
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}
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qboolean
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NET_SVC_SetInfo_Parse (net_svc_setinfo_t *block, msg_t *msg)
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{
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block->slot = MSG_ReadByte (msg);
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block->key = MSG_ReadString (msg);
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block->value = MSG_ReadString (msg);
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return msg->badread;
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}
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qboolean
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NET_SVC_ServerInfo_Parse (net_svc_serverinfo_t *block, msg_t *msg)
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{
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block->key = MSG_ReadString (msg);
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block->value = MSG_ReadString (msg);
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return msg->badread;
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}
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qboolean
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NET_SVC_Download_Parse (net_svc_download_t *block, msg_t *msg)
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{
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block->size = MSG_ReadShort (msg);
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block->percent = MSG_ReadByte (msg);
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block->name = block->data = 0;
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if (block->size == -2)
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block->name = MSG_ReadString (msg);
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else if (block->size > 0) {
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// FIXME: this should really be a MSG function
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if (msg->readcount + block->size <= msg->message->cursize) {
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block->data = msg->message->data + msg->readcount;
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msg->readcount += block->size;
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} else {
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// size was beyond the end of the packet
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msg->readcount = msg->message->cursize;
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msg->badread = true;
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block->size = 0;
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}
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}
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return msg->badread;
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}
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qboolean
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NET_SVC_Playerinfo_Parse (net_svc_playerinfo_t *block, msg_t *msg)
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{
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int i;
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block->playernum = MSG_ReadByte (msg);
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block->flags = MSG_ReadShort (msg);
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for (i = 0; i < 3; i++)
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block->origin[i] = MSG_ReadCoord (msg);
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block->frame = MSG_ReadByte (msg);
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if (block->flags & PF_MSEC)
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block->msec = MSG_ReadByte (msg);
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else
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block->msec = 0;
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// eww, FIXME
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if (block->flags & PF_COMMAND)
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MSG_ReadDeltaUsercmd (&nullcmd, &block->usercmd);
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for (i = 0; i < 3; i++) {
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if (block->flags & (PF_VELOCITY1 << i))
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block->velocity[i] = MSG_ReadShort (msg);
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else
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block->velocity[i] = 0;
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}
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if (block->flags & PF_MODEL)
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block->modelindex = MSG_ReadByte (msg);
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else
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block->modelindex = 0; // suboptimal, but oh well
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if (block->flags & PF_SKINNUM)
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block->skinnum = MSG_ReadByte (msg);
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else
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block->skinnum = 0;
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if (block->flags & PF_EFFECTS)
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block->effects = MSG_ReadByte (msg);
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else
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block->effects = 0;
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if (block->flags & PF_WEAPONFRAME)
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block->weaponframe = MSG_ReadByte (msg);
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else
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block->weaponframe = 0;
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return msg->badread;
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}
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qboolean
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NET_SVC_Nails_Parse (net_svc_nails_t *block, msg_t *msg)
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{
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int i, j;
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byte bits[6];
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block->numnails = MSG_ReadByte (msg);
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for (i = 0; i < block->numnails; i++) {
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for (j = 0; j < 6; j++)
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bits[j] = MSG_ReadByte (msg);
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if (i >= MAX_PROJECTILES)
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continue;
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// [48 bits] xyzpy 12 12 12 4 8
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// format is 12 bits per origin coord, 4 for angles[0],
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// 8 for angles[1], and 0 for angles[2]
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block->nails[i].origin[0] = ((bits[0] + ((bits[1] & 15) << 8)) << 1) - 4096;
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block->nails[i].origin[1] = (((bits[1] >> 4) + (bits[2] << 4)) << 1) - 4096;
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block->nails[i].origin[2] = ((bits[3] + ((bits[4] & 15) << 8)) << 1) - 4096;
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block->nails[i].angles[0] = 360 * (bits[4] >> 4) / 16;
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block->nails[i].angles[1] = 360 * bits[5] / 256;
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block->nails[i].angles[2] = 0;
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}
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if (block->numnails > MAX_PROJECTILES)
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block->numnails = MAX_PROJECTILES;
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return msg->badread;
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}
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qboolean
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NET_SVC_Modellist_Parse (net_svc_modellist_t *block, msg_t *msg)
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{
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int i;
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block->startmodel = MSG_ReadByte (msg);
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for (i = 0; i < MAX_MODELS; i++) {
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block->models[i] = MSG_ReadString (msg);
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if (!*block->models[i])
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break;
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}
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// this is a bit redundant, but I think the robustness is a good thing
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block->models[MAX_MODELS] = "";
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block->nextmodel = MSG_ReadByte (msg);
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return msg->badread;
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}
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qboolean
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NET_SVC_Soundlist_Parse (net_svc_soundlist_t *block, msg_t *msg)
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{
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int i;
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block->startsound = MSG_ReadByte (msg);
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for (i = 0; i < MAX_MODELS; i++) {
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block->sounds[i] = MSG_ReadString (msg);
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if (!*block->sounds[i])
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break;
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}
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// this is a bit redundant, but I think the robustness is a good thing
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block->sounds[MAX_SOUNDS] = "";
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block->nextsound = MSG_ReadByte (msg);
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return msg->badread;
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}
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// this is a sub-block, not a real block
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void
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NET_SVC_Delta_Parse (entity_state_t *es, unsigned int bits, msg_t *msg)
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{
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// bytes of bits: [EXT2][EXT1][ORIG][MORE]
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es->number = bits & 511;
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bits &= ~511;
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es->frame = 0;
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es->effects = 0;
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if (bits & U_MOREBITS)
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bits |= MSG_ReadByte (msg);
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if (bits & U_EXTEND1) {
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bits |= MSG_ReadByte (msg) << 16;
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if (bits & U_EXTEND2)
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bits |= MSG_ReadByte (msg) << 24;
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}
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es->flags = bits;
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if (bits & U_MODEL)
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es->modelindex = MSG_ReadByte (msg);
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if (bits & U_FRAME)
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es->frame = MSG_ReadByte (msg);
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if (bits & U_COLORMAP)
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es->colormap = MSG_ReadByte (msg);
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if (bits & U_SKIN)
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es->skinnum = MSG_ReadByte (msg);
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if (bits & U_EFFECTS)
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es->effects = MSG_ReadByte (msg);
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if (bits & U_ORIGIN1)
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es->origin[0] = MSG_ReadCoord (msg);
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if (bits & U_ANGLE1)
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es->angles[0] = MSG_ReadAngle (msg);
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if (bits & U_ORIGIN2)
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es->origin[1] = MSG_ReadCoord (msg);
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if (bits & U_ANGLE2)
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es->angles[1] = MSG_ReadAngle (msg);
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if (bits & U_ORIGIN3)
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es->origin[2] = MSG_ReadCoord (msg);
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if (bits & U_ANGLE3)
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es->angles[2] = MSG_ReadAngle (msg);
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if (bits & U_ALPHA)
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es->alpha = MSG_ReadByte (msg);
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if (bits & U_SCALE)
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es->scale = MSG_ReadByte (msg);
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if (bits & U_EFFECTS2) {
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if (bits & U_EFFECTS)
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es->effects = (es->effects & 0xFF) | (MSG_ReadByte (msg) << 8);
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else
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es->effects = MSG_ReadByte (msg) << 8;
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}
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if (bits & U_GLOWSIZE)
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es->glow_size = MSG_ReadByte (msg);
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if (bits & U_GLOWCOLOR)
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es->glow_color = MSG_ReadByte (msg);
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if (bits & U_COLORMOD)
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es->colormod = MSG_ReadByte (msg);
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if (bits & U_FRAME2) {
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if (bits & U_FRAME)
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es->frame = (es->frame & 0xFF) | (MSG_ReadByte (msg) << 8);
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else
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es->frame = MSG_ReadByte (msg) << 8;
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}
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if (bits & U_SOLID) {
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// FIXME
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}
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}
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qboolean
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NET_SVC_PacketEntities_Parse (net_svc_packetentities_t *block, msg_t *msg)
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{
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int word, delta;
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unsigned short bits;
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for (word = 0, delta = 0; !msg->badread; word++) {
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if (word >= MAX_PACKET_ENTITIES * 2)
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return 1; // FIXME: differentiate from short packet
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bits = (unsigned short) MSG_ReadShort (msg);
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block->words[word] = bits;
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if (!bits)
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break;
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if (!(bits & U_REMOVE)) {
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if (delta >= MAX_PACKET_ENTITIES)
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return 1;
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NET_SVC_Delta_Parse (&block->deltas[delta], bits, msg);
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delta++;
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}
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}
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block->numwords = word;
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block->numdeltas = delta;
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return msg->badread;
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}
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qboolean
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NET_SVC_DeltaPacketEntities_Parse (net_svc_deltapacketentities_t *block,
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msg_t *msg)
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{
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int word, delta;
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unsigned short bits;
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block->from = MSG_ReadByte (msg);
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for (word = 0, delta = 0; !msg->badread; word++) {
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if (word >= MAX_PACKET_ENTITIES * 2)
|
|
return 1; // FIXME: differentiate from short packet
|
|
bits = (unsigned short) MSG_ReadShort (msg);
|
|
block->words[word] = bits;
|
|
if (!bits)
|
|
break;
|
|
if (!(bits & U_REMOVE)) {
|
|
if (delta >= MAX_PACKET_ENTITIES)
|
|
return 1;
|
|
NET_SVC_Delta_Parse (&block->deltas[delta], bits, msg);
|
|
delta++;
|
|
}
|
|
}
|
|
|
|
block->numwords = word;
|
|
block->numdeltas = delta;
|
|
|
|
return msg->badread;
|
|
}
|