-extern qboolean fs_modified; // set true if using non-id files
-
-char com_token[1024];
-int com_argc;
-const char **com_argv;
-
-// LordHavoc: made commandline 1024 characters instead of 256
-#define CMDLINE_LENGTH 1024
-char com_cmdline[CMDLINE_LENGTH];
-
-gamemode_t gamemode;
-const char *gamename;
-const char *gamedirname1;
-const char *gamedirname2;
-const char *gamescreenshotname;
-const char *gameuserdirname;
-char com_modname[MAX_OSPATH] = "";
-
-
-/*
-============================================================================
-
- BYTE ORDER FUNCTIONS
-
-============================================================================
-*/
-
-short ShortSwap (short l)
-{
- qbyte b1,b2;
-
- b1 = l&255;
- b2 = (l>>8)&255;
-
- return (b1<<8) + b2;
-}
-
-int LongSwap (int l)
-{
- qbyte b1,b2,b3,b4;
-
- b1 = l&255;
- b2 = (l>>8)&255;
- b3 = (l>>16)&255;
- b4 = (l>>24)&255;
-
- return ((int)b1<<24) + ((int)b2<<16) + ((int)b3<<8) + b4;
-}
-
-float FloatSwap (float f)
-{
- union
- {
- float f;
- qbyte b[4];
- } dat1, dat2;
-
-
- dat1.f = f;
- dat2.b[0] = dat1.b[3];
- dat2.b[1] = dat1.b[2];
- dat2.b[2] = dat1.b[1];
- dat2.b[3] = dat1.b[0];
- return dat2.f;
-}
-
-
-// Extract integers from buffers
-
-unsigned int BuffBigLong (const qbyte *buffer)
-{
- return (buffer[0] << 24) | (buffer[1] << 16) | (buffer[2] << 8) | buffer[3];
-}
-
-unsigned short BuffBigShort (const qbyte *buffer)
-{
- return (buffer[0] << 8) | buffer[1];
-}
-
-unsigned int BuffLittleLong (const qbyte *buffer)
-{
- return (buffer[3] << 24) | (buffer[2] << 16) | (buffer[1] << 8) | buffer[0];
-}
-
-unsigned short BuffLittleShort (const qbyte *buffer)
-{
- return (buffer[1] << 8) | buffer[0];
-}
-
-
-/*
-============================================================================
-
- CRC FUNCTIONS
-
-============================================================================
-*/
-
-// this is a 16 bit, non-reflected CRC using the polynomial 0x1021
-// and the initial and final xor values shown below... in other words, the
-// CCITT standard CRC used by XMODEM
-
-#define CRC_INIT_VALUE 0xffff
-#define CRC_XOR_VALUE 0x0000
-
-static unsigned short crctable[256] =
-{
- 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
- 0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
- 0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
- 0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
- 0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
- 0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
- 0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
- 0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
- 0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
- 0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
- 0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
- 0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
- 0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
- 0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
- 0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
- 0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
- 0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
- 0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
- 0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
- 0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
- 0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
- 0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
- 0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
- 0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
- 0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
- 0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
- 0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
- 0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
- 0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
- 0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
- 0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
- 0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
-};
-
-unsigned short CRC_Block(qbyte *data, int size)
-{
- unsigned short crc = CRC_INIT_VALUE;
- while (size--)
- crc = (crc << 8) ^ crctable[(crc >> 8) ^ (*data++)];
- return crc ^ CRC_XOR_VALUE;
-}
-
-
-/*
-==============================================================================
-
- MESSAGE IO FUNCTIONS
-
-Handles byte ordering and avoids alignment errors
-==============================================================================
-*/
-
-//
-// writing functions
-//
-
-void MSG_WriteChar (sizebuf_t *sb, int c)
-{
- qbyte *buf;
-
- buf = SZ_GetSpace (sb, 1);
- buf[0] = c;
-}
-
-void MSG_WriteByte (sizebuf_t *sb, int c)
-{
- qbyte *buf;
-
- buf = SZ_GetSpace (sb, 1);
- buf[0] = c;
-}
-
-void MSG_WriteShort (sizebuf_t *sb, int c)
-{
- qbyte *buf;
-
- buf = SZ_GetSpace (sb, 2);
- buf[0] = c&0xff;
- buf[1] = c>>8;
-}
-
-void MSG_WriteLong (sizebuf_t *sb, int c)
-{
- qbyte *buf;
-
- buf = SZ_GetSpace (sb, 4);
- buf[0] = c&0xff;
- buf[1] = (c>>8)&0xff;
- buf[2] = (c>>16)&0xff;
- buf[3] = c>>24;
-}
-
-void MSG_WriteFloat (sizebuf_t *sb, float f)
-{
- union
- {
- float f;
- int l;
- } dat;
-
-
- dat.f = f;
- dat.l = LittleLong (dat.l);
-
- SZ_Write (sb, &dat.l, 4);
-}
-
-void MSG_WriteString (sizebuf_t *sb, const char *s)
-{
- if (!s)
- SZ_Write (sb, "", 1);
- else
- SZ_Write (sb, s, strlen(s)+1);
-}
-
-void MSG_WriteCoord13i (sizebuf_t *sb, float f)
-{
- if (f >= 0)
- MSG_WriteShort (sb, (int)(f * 8.0 + 0.5));
- else
- MSG_WriteShort (sb, (int)(f * 8.0 - 0.5));
-}
-
-void MSG_WriteCoord16i (sizebuf_t *sb, float f)
-{
- if (f >= 0)
- MSG_WriteShort (sb, (int)(f + 0.5));
- else
- MSG_WriteShort (sb, (int)(f - 0.5));
-}
-
-void MSG_WriteCoord32f (sizebuf_t *sb, float f)
-{
- MSG_WriteFloat (sb, f);
-}
-
-void MSG_WriteCoord (sizebuf_t *sb, float f, int protocol)
-{
- if (protocol == PROTOCOL_QUAKE || protocol == PROTOCOL_NEHAHRAMOVIE)
- MSG_WriteCoord13i (sb, f);
- else if (protocol == PROTOCOL_DARKPLACES1 || protocol == PROTOCOL_DARKPLACES5 || protocol == PROTOCOL_DARKPLACES6)
- MSG_WriteCoord32f (sb, f);
- else if (protocol == PROTOCOL_DARKPLACES2 || protocol == PROTOCOL_DARKPLACES3 || protocol == PROTOCOL_DARKPLACES4)
- MSG_WriteCoord16i (sb, f);
- else
- Host_Error("MSG_WriteCoord: unknown protocol\n");
-}
-
-void MSG_WriteVector (sizebuf_t *sb, float *v, int protocol)
-{
- MSG_WriteCoord (sb, v[0], protocol);
- MSG_WriteCoord (sb, v[1], protocol);
- MSG_WriteCoord (sb, v[2], protocol);
-}
-
-// LordHavoc: round to nearest value, rather than rounding toward zero, fixes crosshair problem
-void MSG_WriteAngle8i (sizebuf_t *sb, float f)
-{
- if (f >= 0)
- MSG_WriteByte (sb, (int)(f*(256.0/360.0) + 0.5) & 255);
- else
- MSG_WriteByte (sb, (int)(f*(256.0/360.0) - 0.5) & 255);
-}
-
-void MSG_WriteAngle16i (sizebuf_t *sb, float f)
-{
- if (f >= 0)
- MSG_WriteShort (sb, (int)(f*(65536.0/360.0) + 0.5) & 65535);
- else
- MSG_WriteShort (sb, (int)(f*(65536.0/360.0) - 0.5) & 65535);
-}
-
-void MSG_WriteAngle32f (sizebuf_t *sb, float f)
-{
- MSG_WriteFloat (sb, f);
-}
-
-void MSG_WriteAngle (sizebuf_t *sb, float f, int protocol)
-{
- if (protocol == PROTOCOL_DARKPLACES5 || protocol == PROTOCOL_DARKPLACES6)
- MSG_WriteAngle16i (sb, f);
- else
- MSG_WriteAngle8i (sb, f);
-}
-
-//
-// reading functions
-//
-int msg_readcount;
-qboolean msg_badread;
-
-void MSG_BeginReading (void)
-{
- msg_readcount = 0;
- msg_badread = false;
-}
-
-int MSG_ReadLittleShort (void)
-{
- if (msg_readcount+2 > net_message.cursize)
- {
- msg_badread = true;
- return -1;
- }
- msg_readcount += 2;
- return (short)(net_message.data[msg_readcount-2] | (net_message.data[msg_readcount-1]<<8));
-}
-
-int MSG_ReadBigShort (void)
-{
- if (msg_readcount+2 > net_message.cursize)
- {
- msg_badread = true;
- return -1;
- }
- msg_readcount += 2;
- return (short)((net_message.data[msg_readcount-2]<<8) + net_message.data[msg_readcount-1]);
-}
-
-int MSG_ReadLittleLong (void)
-{
- if (msg_readcount+4 > net_message.cursize)
- {
- msg_badread = true;
- return -1;
- }
- msg_readcount += 4;
- return net_message.data[msg_readcount-4] | (net_message.data[msg_readcount-3]<<8) | (net_message.data[msg_readcount-2]<<16) | (net_message.data[msg_readcount-1]<<24);
-}
-
-int MSG_ReadBigLong (void)
-{
- if (msg_readcount+4 > net_message.cursize)
- {
- msg_badread = true;
- return -1;
- }
- msg_readcount += 4;
- return (net_message.data[msg_readcount-4]<<24) + (net_message.data[msg_readcount-3]<<16) + (net_message.data[msg_readcount-2]<<8) + net_message.data[msg_readcount-1];
-}
-
-float MSG_ReadLittleFloat (void)
-{
- union
- {
- float f;
- int l;
- } dat;
- if (msg_readcount+4 > net_message.cursize)
- {
- msg_badread = true;
- return -1;
- }
- msg_readcount += 4;
- dat.l = net_message.data[msg_readcount-4] | (net_message.data[msg_readcount-3]<<8) | (net_message.data[msg_readcount-2]<<16) | (net_message.data[msg_readcount-1]<<24);
- return dat.f;
-}
-
-float MSG_ReadBigFloat (void)
-{
- union
- {
- float f;
- int l;
- } dat;
- if (msg_readcount+4 > net_message.cursize)
- {
- msg_badread = true;
- return -1;
- }
- msg_readcount += 4;
- dat.l = (net_message.data[msg_readcount-4]<<24) | (net_message.data[msg_readcount-3]<<16) | (net_message.data[msg_readcount-2]<<8) | net_message.data[msg_readcount-1];
- return dat.f;
-}
-
-char *MSG_ReadString (void)
-{
- static char string[2048];
- int l,c;
- for (l = 0;l < (int) sizeof(string) - 1 && (c = MSG_ReadChar()) != -1 && c != 0;l++)
- string[l] = c;
- string[l] = 0;
- return string;
-}
-
-int MSG_ReadBytes (int numbytes, unsigned char *out)
-{
- int l, c;
- for (l = 0;l < numbytes && (c = MSG_ReadChar()) != -1;l++)
- out[l] = c;
- return l;
-}
-
-float MSG_ReadCoord13i (void)
-{
- return MSG_ReadLittleShort() * (1.0/8.0);
-}
-
-float MSG_ReadCoord16i (void)
-{
- return (signed short) MSG_ReadLittleShort();
-}
-
-float MSG_ReadCoord32f (void)
-{
- return MSG_ReadLittleFloat();
-}
-
-float MSG_ReadCoord (int protocol)
-{
- if (protocol == PROTOCOL_QUAKE || protocol == PROTOCOL_NEHAHRAMOVIE)
- return MSG_ReadCoord13i();
- else if (protocol == PROTOCOL_DARKPLACES1 || protocol == PROTOCOL_DARKPLACES5 || protocol == PROTOCOL_DARKPLACES6)
- return MSG_ReadCoord32f();
- else if (protocol == PROTOCOL_DARKPLACES2 || protocol == PROTOCOL_DARKPLACES3 || protocol == PROTOCOL_DARKPLACES4)
- return MSG_ReadCoord16i();
- Host_Error("MSG_ReadCoord: unknown protocol\n");
- return 0;
-}
-
-void MSG_ReadVector (float *v, int protocol)
-{
- v[0] = MSG_ReadCoord(protocol);
- v[1] = MSG_ReadCoord(protocol);
- v[2] = MSG_ReadCoord(protocol);
-}
-
-// LordHavoc: round to nearest value, rather than rounding toward zero, fixes crosshair problem
-float MSG_ReadAngle8i (void)
-{
- return (signed char) MSG_ReadByte () * (360.0/256.0);
-}
-
-float MSG_ReadAngle16i (void)
-{
- return (signed short)MSG_ReadShort () * (360.0/65536.0);
-}
-
-float MSG_ReadAngle32f (void)
-{
- return MSG_ReadFloat ();
-}
-
-float MSG_ReadAngle (int protocol)
-{
- if (protocol == PROTOCOL_DARKPLACES5 || protocol == PROTOCOL_DARKPLACES6)
- return MSG_ReadAngle16i ();
- else
- return MSG_ReadAngle8i ();
-}