quakeforge/qw/source/net_svc.c
Adam Olsen d7e5f88ee3 - conver svc_spawnstaticsound, svc_updateuserinfo, svc_setinfo,
svc_serverinfo, and svc_download

I havn't tested svc_download, since I don't want to play with having
seperate dirs for the client vs server on one computer.
2001-11-02 14:52:29 +00:00

748 lines
17 KiB
C

/*
net_svc.c
(description)
Copyright (C) 2001 Adam Olsen
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
*/
static const char rcsid[] =
"$Id$";
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifndef _WIN32
# ifdef HAVE_UNISTD_H
# include <unistd.h>
# endif
#else
# include <windows.h>
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include "QF/msg.h"
#include "QF/sound.h"
#include "compat.h"
#include "msg_ucmd.h" // FIXME
#include "net_svc.h"
net_status_t
NET_SVC_Print_Emit (net_svc_print_t *block, sizebuf_t *buf)
{
MSG_WriteByte (buf, block->level);
MSG_WriteString (buf, block->message);
return buf->overflowed;
}
net_status_t
NET_SVC_Print_Parse (net_svc_print_t *block, msg_t *msg)
{
block->level = MSG_ReadByte (msg);
block->message = MSG_ReadString (msg);
return msg->badread;
}
net_status_t
NET_SVC_Damage_Emit (net_svc_damage_t *block, sizebuf_t *buf)
{
int i;
MSG_WriteByte (buf, block->armor);
MSG_WriteByte (buf, block->blood);
for (i = 0; i < 3; i++)
MSG_WriteCoord (buf, block->from[i]);
return buf->overflowed;
}
net_status_t
NET_SVC_Damage_Parse (net_svc_damage_t *block, msg_t *msg)
{
int i;
block->armor = MSG_ReadByte (msg);
block->blood = MSG_ReadByte (msg);
for (i = 0; i < 3; i++)
block->from[i] = MSG_ReadCoord (msg);
return msg->badread;
}
net_status_t
NET_SVC_ServerData_Emit (net_svc_serverdata_t *block, sizebuf_t *buf)
{
MSG_WriteLong (buf, block->protocolversion);
MSG_WriteLong (buf, block->servercount);
MSG_WriteString (buf, block->gamedir);
MSG_WriteByte (buf, block->playernum | (block->spectator ? 128 : 0));
MSG_WriteString (buf, block->levelname);
MSG_WriteFloat (buf, block->movevars.gravity);
MSG_WriteFloat (buf, block->movevars.stopspeed);
MSG_WriteFloat (buf, block->movevars.maxspeed);
MSG_WriteFloat (buf, block->movevars.spectatormaxspeed);
MSG_WriteFloat (buf, block->movevars.accelerate);
MSG_WriteFloat (buf, block->movevars.airaccelerate);
MSG_WriteFloat (buf, block->movevars.wateraccelerate);
MSG_WriteFloat (buf, block->movevars.friction);
MSG_WriteFloat (buf, block->movevars.waterfriction);
MSG_WriteFloat (buf, block->movevars.entgravity);
return buf->overflowed;
}
net_status_t
NET_SVC_ServerData_Parse (net_svc_serverdata_t *block, msg_t *msg)
{
block->protocolversion = MSG_ReadLong (msg);
// I could abort now if the version is wrong, but why bother?
block->servercount = MSG_ReadLong (msg);
block->gamedir = MSG_ReadString (msg);
// high bit means spectator
block->playernum = MSG_ReadByte (msg);
block->spectator = block->playernum >> 7;
block->playernum &= ~(1 << 7);
block->levelname = MSG_ReadString (msg);
block->movevars.gravity = MSG_ReadFloat (msg);
block->movevars.stopspeed = MSG_ReadFloat (msg);
block->movevars.maxspeed = MSG_ReadFloat (msg);
block->movevars.spectatormaxspeed = MSG_ReadFloat (msg);
block->movevars.accelerate = MSG_ReadFloat (msg);
block->movevars.airaccelerate = MSG_ReadFloat (msg);
block->movevars.wateraccelerate = MSG_ReadFloat (msg);
block->movevars.friction = MSG_ReadFloat (msg);
block->movevars.waterfriction = MSG_ReadFloat (msg);
block->movevars.entgravity = MSG_ReadFloat (msg);
return msg->badread;
}
net_status_t
NET_SVC_Sound_Emit (net_svc_sound_t *block, sizebuf_t *buf)
{
int i, header;
header = block->channel;
header |= block->entity << 3;
if (block->volume != DEFAULT_SOUND_PACKET_VOLUME)
header |= SND_VOLUME;
if (block->attenuation != DEFAULT_SOUND_PACKET_VOLUME)
header |= SND_ATTENUATION;
MSG_WriteShort (buf, header);
if (header & SND_VOLUME)
MSG_WriteByte (buf, block->volume * 255);
if (header & SND_ATTENUATION)
MSG_WriteByte (buf, block->attenuation * 64);
MSG_WriteByte (buf, block->sound_num);
for (i = 0; i < 3; i++)
MSG_WriteCoord (buf, block->position[i]);
return buf->overflowed;
}
net_status_t
NET_SVC_Sound_Parse (net_svc_sound_t *block, msg_t *msg)
{
int i, header;
header = MSG_ReadShort (msg);
if (header & SND_VOLUME)
block->volume = MSG_ReadByte (msg) / 255.0;
else
block->volume = DEFAULT_SOUND_PACKET_VOLUME / 255.0;
if (header & SND_ATTENUATION)
block->attenuation = MSG_ReadByte (msg) / 64.0;
else
block->attenuation = DEFAULT_SOUND_PACKET_ATTENUATION;
block->sound_num = MSG_ReadByte (msg);
for (i = 0; i < 3; i++)
block->position[i] = MSG_ReadCoord (msg);
block->entity = (header >> 3) & 1023;
block->channel = header & 7;
return msg->badread;
}
net_status_t
NET_SVC_SpawnBaseline_Emit (net_svc_spawnbaseline_t *block, sizebuf_t *buf)
{
int i;
MSG_WriteShort (buf, block->num);
MSG_WriteByte (buf, block->modelindex);
MSG_WriteByte (buf, block->frame);
MSG_WriteByte (buf, block->colormap);
MSG_WriteByte (buf, block->skinnum);
for (i = 0; i < 3; i++) {
MSG_WriteCoord (buf, block->origin[i]);
MSG_WriteAngle (buf, block->angles[i]);
}
return buf->overflowed;
}
net_status_t
NET_SVC_SpawnBaseline_Parse (net_svc_spawnbaseline_t *block, msg_t *msg)
{
int i;
block->num = MSG_ReadShort (msg);
block->modelindex = MSG_ReadByte (msg);
block->frame = MSG_ReadByte (msg);
block->colormap = MSG_ReadByte (msg);
block->skinnum = MSG_ReadByte (msg);
// these are interlaced? bad drugs...
for (i = 0; i < 3; i ++) {
block->origin[i] = MSG_ReadCoord (msg);
block->angles[i] = MSG_ReadAngle (msg);
}
return msg->badread;
}
net_status_t
NET_SVC_SpawnStatic_Emit (net_svc_spawnstatic_t *block, sizebuf_t *buf)
{
int i;
MSG_WriteByte (buf, block->modelindex);
MSG_WriteByte (buf, block->frame);
MSG_WriteByte (buf, block->colormap);
MSG_WriteByte (buf, block->skinnum);
for (i = 0; i < 3; i++) {
MSG_WriteCoord (buf, block->origin[i]);
MSG_WriteAngle (buf, block->angles[i]);
}
return buf->overflowed;
}
net_status_t
NET_SVC_SpawnStatic_Parse (net_svc_spawnstatic_t *block, msg_t *msg)
{
int i;
block->modelindex = MSG_ReadByte (msg);
block->frame = MSG_ReadByte (msg);
block->colormap = MSG_ReadByte (msg);
block->skinnum = MSG_ReadByte (msg);
// these are interlaced? bad drugs...
for (i = 0; i < 3; i++) {
block->origin[i] = MSG_ReadCoord (msg);
block->angles[i] = MSG_ReadAngle (msg);
}
return msg->badread;
}
net_status_t
NET_SVC_TempEntity_Emit (net_svc_tempentity_t *block, sizebuf_t *buf)
{
int i;
MSG_WriteByte (buf, block->type);
switch (block->type) {
case TE_WIZSPIKE:
case TE_KNIGHTSPIKE:
case TE_SPIKE:
case TE_SUPERSPIKE:
case TE_EXPLOSION:
case TE_TAREXPLOSION:
case TE_LAVASPLASH:
case TE_TELEPORT:
case TE_LIGHTNINGBLOOD:
for (i = 0; i < 3; i++)
MSG_WriteCoord (buf, block->position[i]);
break;
case TE_LIGHTNING1:
case TE_LIGHTNING2:
case TE_LIGHTNING3:
case TE_BEAM:
MSG_WriteShort (buf, block->beamentity);
for (i = 0; i < 3; i++)
MSG_WriteShort (buf, block->position[i]);
for (i = 0; i < 3; i++)
MSG_WriteCoord (buf, block->beamend[i]);
break;
case TE_EXPLOSION2:
for (i = 0; i < 3; i++)
MSG_WriteCoord (buf, block->position[i]);
MSG_WriteByte (buf, block->colorstart);
MSG_WriteByte (buf, block->colorlength);
break;
case TE_GUNSHOT:
case TE_BLOOD:
MSG_WriteByte (buf, block->gunshotcount);
for (i = 0; i < 3; i++)
MSG_WriteCoord (buf, block->position[i]);
break;
default:
return NET_ERROR;
}
return buf->overflowed;
}
net_status_t
NET_SVC_TempEntity_Parse (net_svc_tempentity_t *block, msg_t *msg)
{
int i;
block->type = MSG_ReadByte (msg);
switch (block->type) {
case TE_WIZSPIKE:
case TE_KNIGHTSPIKE:
case TE_SPIKE:
case TE_SUPERSPIKE:
case TE_EXPLOSION:
case TE_TAREXPLOSION:
case TE_LAVASPLASH:
case TE_TELEPORT:
case TE_LIGHTNINGBLOOD:
for (i = 0; i < 3; i++)
block->position[i] = MSG_ReadCoord (msg);
break;
case TE_LIGHTNING1:
case TE_LIGHTNING2:
case TE_LIGHTNING3:
case TE_BEAM:
block->beamentity = MSG_ReadShort (msg);
for (i = 0; i < 3; i++)
block->position[i] = MSG_ReadCoord (msg);
for (i = 0; i < 3; i++)
block->beamend[i] = MSG_ReadCoord (msg);
break;
case TE_EXPLOSION2:
for (i = 0; i < 3; i++)
block->position[i] = MSG_ReadCoord (msg);
block->colorstart = MSG_ReadByte (msg);
block->colorlength = MSG_ReadByte (msg);
break;
case TE_GUNSHOT:
case TE_BLOOD:
block->gunshotcount = MSG_ReadByte (msg);
for (i = 0; i < 3; i++)
block->position[i] = MSG_ReadCoord (msg);
break;
default:
return NET_ERROR;
}
return msg->badread;
}
net_status_t
NET_SVC_SpawnStaticSound_Emit (net_svc_spawnstaticsound_t *block,
sizebuf_t *buf)
{
int i;
for (i = 0; i < 3; i++)
MSG_WriteCoord (buf, block->position[i]);
MSG_WriteByte (buf, block->sound_num);
MSG_WriteByte (buf, block->volume);
MSG_WriteByte (buf, block->attenuation);
return buf->overflowed;
}
net_status_t
NET_SVC_SpawnStaticSound_Parse (net_svc_spawnstaticsound_t *block,
msg_t *msg)
{
int i;
for (i = 0; i < 3; i++)
block->position[i] = MSG_ReadCoord (msg);
block->sound_num = MSG_ReadByte (msg);
block->volume = MSG_ReadByte (msg);
block->attenuation = MSG_ReadByte (msg);
return msg->badread;
}
net_status_t
NET_SVC_UpdateUserInfo_Emit (net_svc_updateuserinfo_t *block, sizebuf_t *buf)
{
MSG_WriteByte (buf, block->slot);
MSG_WriteLong (buf, block->userid);
MSG_WriteString (buf, block->userinfo);
return buf->overflowed;
}
net_status_t
NET_SVC_UpdateUserInfo_Parse (net_svc_updateuserinfo_t *block, msg_t *msg)
{
block->slot = MSG_ReadByte (msg);
block->userid = MSG_ReadLong (msg);
block->userinfo = MSG_ReadString (msg);
return msg->badread;
}
net_status_t
NET_SVC_SetInfo_Emit (net_svc_setinfo_t *block, sizebuf_t *buf)
{
MSG_WriteByte (buf, block->slot);
MSG_WriteString (buf, block->key);
MSG_WriteString (buf, block->value);
return buf->overflowed;
}
net_status_t
NET_SVC_SetInfo_Parse (net_svc_setinfo_t *block, msg_t *msg)
{
block->slot = MSG_ReadByte (msg);
block->key = MSG_ReadString (msg);
block->value = MSG_ReadString (msg);
return msg->badread;
}
net_status_t
NET_SVC_ServerInfo_Emit (net_svc_serverinfo_t *block, sizebuf_t *buf)
{
MSG_WriteString (buf, block->key);
MSG_WriteString (buf, block->value);
return buf->overflowed;
}
net_status_t
NET_SVC_ServerInfo_Parse (net_svc_serverinfo_t *block, msg_t *msg)
{
block->key = MSG_ReadString (msg);
block->value = MSG_ReadString (msg);
return msg->badread;
}
net_status_t
NET_SVC_Download_Emit (net_svc_download_t *block, sizebuf_t *buf)
{
MSG_WriteShort (buf, block->size);
MSG_WriteByte (buf, block->percent);
if (block->size == -2)
MSG_WriteString (buf, block->name);
else if (block->size > 0)
SZ_Write (buf, block->data, block->size); // FIXME: should be a MSG_* function
return buf->overflowed;
}
net_status_t
NET_SVC_Download_Parse (net_svc_download_t *block, msg_t *msg)
{
block->size = MSG_ReadShort (msg);
block->percent = MSG_ReadByte (msg);
block->name = block->data = 0;
if (block->size == -2)
block->name = MSG_ReadString (msg);
else if (block->size > 0) {
// FIXME: this should really be a MSG function
if (msg->readcount + block->size <= msg->message->cursize) {
block->data = msg->message->data + msg->readcount;
msg->readcount += block->size;
} else {
// size was beyond the end of the packet
msg->readcount = msg->message->cursize;
msg->badread = true;
block->size = 0;
}
}
return msg->badread;
}
net_status_t
NET_SVC_Playerinfo_Parse (net_svc_playerinfo_t *block, msg_t *msg)
{
int i;
block->playernum = MSG_ReadByte (msg);
block->flags = MSG_ReadShort (msg);
for (i = 0; i < 3; i++)
block->origin[i] = MSG_ReadCoord (msg);
block->frame = MSG_ReadByte (msg);
if (block->flags & PF_MSEC)
block->msec = MSG_ReadByte (msg);
else
block->msec = 0;
// eww, FIXME
if (block->flags & PF_COMMAND)
MSG_ReadDeltaUsercmd (&nullcmd, &block->usercmd);
for (i = 0; i < 3; i++) {
if (block->flags & (PF_VELOCITY1 << i))
block->velocity[i] = MSG_ReadShort (msg);
else
block->velocity[i] = 0;
}
if (block->flags & PF_MODEL)
block->modelindex = MSG_ReadByte (msg);
else
block->modelindex = 0; // suboptimal, but oh well
if (block->flags & PF_SKINNUM)
block->skinnum = MSG_ReadByte (msg);
else
block->skinnum = 0;
if (block->flags & PF_EFFECTS)
block->effects = MSG_ReadByte (msg);
else
block->effects = 0;
if (block->flags & PF_WEAPONFRAME)
block->weaponframe = MSG_ReadByte (msg);
else
block->weaponframe = 0;
return msg->badread;
}
net_status_t
NET_SVC_Nails_Parse (net_svc_nails_t *block, msg_t *msg)
{
int i, j;
byte bits[6];
block->numnails = MSG_ReadByte (msg);
for (i = 0; i < block->numnails; i++) {
for (j = 0; j < 6; j++)
bits[j] = MSG_ReadByte (msg);
if (i >= MAX_PROJECTILES)
return NET_ERROR;
// [48 bits] xyzpy 12 12 12 4 8
// format is 12 bits per origin coord, 4 for angles[0],
// 8 for angles[1], and 0 for angles[2]
block->nails[i].origin[0] = ((bits[0] + ((bits[1] & 15) << 8)) << 1) - 4096;
block->nails[i].origin[1] = (((bits[1] >> 4) + (bits[2] << 4)) << 1) - 4096;
block->nails[i].origin[2] = ((bits[3] + ((bits[4] & 15) << 8)) << 1) - 4096;
block->nails[i].angles[0] = 360 * (bits[4] >> 4) / 16;
block->nails[i].angles[1] = 360 * bits[5] / 256;
block->nails[i].angles[2] = 0;
}
return msg->badread;
}
net_status_t
NET_SVC_Modellist_Parse (net_svc_modellist_t *block, msg_t *msg)
{
int i;
block->startmodel = MSG_ReadByte (msg);
for (i = 0;; i++) {
block->models[i] = MSG_ReadString (msg);
if (!*block->models[i])
break;
if (i >= MAX_MODELS)
return NET_ERROR;
}
// this is a bit redundant, but I think the robustness is a good thing
block->models[MAX_MODELS] = "";
block->nextmodel = MSG_ReadByte (msg);
return msg->badread;
}
net_status_t
NET_SVC_Soundlist_Parse (net_svc_soundlist_t *block, msg_t *msg)
{
int i;
block->startsound = MSG_ReadByte (msg);
for (i = 0;; i++) {
block->sounds[i] = MSG_ReadString (msg);
if (!*block->sounds[i])
break;
if (i >= MAX_SOUNDS)
return NET_ERROR;
}
// this is a bit redundant, but I think the robustness is a good thing
block->sounds[MAX_SOUNDS] = "";
block->nextsound = MSG_ReadByte (msg);
return msg->badread;
}
// this is a sub-block, not a real block
void
NET_SVC_Delta_Parse (entity_state_t *es, unsigned int bits, msg_t *msg)
{
// bytes of bits: [EXT2][EXT1][ORIG][MORE]
es->number = bits & 511;
bits &= ~511;
es->frame = 0;
es->effects = 0;
if (bits & U_MOREBITS)
bits |= MSG_ReadByte (msg);
if (bits & U_EXTEND1) {
bits |= MSG_ReadByte (msg) << 16;
if (bits & U_EXTEND2)
bits |= MSG_ReadByte (msg) << 24;
}
es->flags = bits;
if (bits & U_MODEL)
es->modelindex = MSG_ReadByte (msg);
if (bits & U_FRAME)
es->frame = MSG_ReadByte (msg);
if (bits & U_COLORMAP)
es->colormap = MSG_ReadByte (msg);
if (bits & U_SKIN)
es->skinnum = MSG_ReadByte (msg);
if (bits & U_EFFECTS)
es->effects = MSG_ReadByte (msg);
if (bits & U_ORIGIN1)
es->origin[0] = MSG_ReadCoord (msg);
if (bits & U_ANGLE1)
es->angles[0] = MSG_ReadAngle (msg);
if (bits & U_ORIGIN2)
es->origin[1] = MSG_ReadCoord (msg);
if (bits & U_ANGLE2)
es->angles[1] = MSG_ReadAngle (msg);
if (bits & U_ORIGIN3)
es->origin[2] = MSG_ReadCoord (msg);
if (bits & U_ANGLE3)
es->angles[2] = MSG_ReadAngle (msg);
if (bits & U_ALPHA)
es->alpha = MSG_ReadByte (msg);
if (bits & U_SCALE)
es->scale = MSG_ReadByte (msg);
if (bits & U_EFFECTS2) {
if (bits & U_EFFECTS)
es->effects = (es->effects & 0xFF) | (MSG_ReadByte (msg) << 8);
else
es->effects = MSG_ReadByte (msg) << 8;
}
if (bits & U_GLOWSIZE)
es->glow_size = MSG_ReadByte (msg);
if (bits & U_GLOWCOLOR)
es->glow_color = MSG_ReadByte (msg);
if (bits & U_COLORMOD)
es->colormod = MSG_ReadByte (msg);
if (bits & U_FRAME2) {
if (bits & U_FRAME)
es->frame = (es->frame & 0xFF) | (MSG_ReadByte (msg) << 8);
else
es->frame = MSG_ReadByte (msg) << 8;
}
if (bits & U_SOLID) {
// FIXME
}
}
net_status_t
NET_SVC_PacketEntities_Parse (net_svc_packetentities_t *block, msg_t *msg)
{
int word, delta;
unsigned short bits;
for (word = 0, delta = 0; !msg->badread; word++) {
if (word >= MAX_PACKET_ENTITIES * 2)
return NET_ERROR;
bits = (unsigned short) MSG_ReadShort (msg);
block->words[word] = bits;
if (!bits)
break;
if (!(bits & U_REMOVE)) {
if (delta >= MAX_PACKET_ENTITIES)
return NET_ERROR;
NET_SVC_Delta_Parse (&block->deltas[delta], bits, msg);
delta++;
}
}
block->numwords = word;
block->numdeltas = delta;
return msg->badread;
}
net_status_t
NET_SVC_DeltaPacketEntities_Parse (net_svc_deltapacketentities_t *block,
msg_t *msg)
{
int word, delta;
unsigned short bits;
block->from = MSG_ReadByte (msg);
for (word = 0, delta = 0; !msg->badread; word++) {
if (word >= MAX_PACKET_ENTITIES * 2)
return NET_ERROR;
bits = (unsigned short) MSG_ReadShort (msg);
block->words[word] = bits;
if (!bits)
break;
if (!(bits & U_REMOVE)) {
if (delta >= MAX_PACKET_ENTITIES)
return NET_ERROR;
NET_SVC_Delta_Parse (&block->deltas[delta], bits, msg);
delta++;
}
}
block->numwords = word;
block->numdeltas = delta;
return msg->badread;
}