void CL_ParseZPacket (void)
{
#ifndef NO_ZLIB
byte buff_in[MAX_MSGLEN];
byte buff_out[0xFFFF];
sizebuf_t sb, old;
int16 compressed_len = (int16)MSG_ReadShort (&net_message);
int16 uncompressed_len = (int16)MSG_ReadShort (&net_message);
if (uncompressed_len <= 0)
Com_Error (ERR_DROP, "CL_ParseZPacket: uncompressed_len <= 0");
if (compressed_len <= 0)
Com_Error (ERR_DROP, "CL_ParseZPacket: compressed_len <= 0");
MSG_ReadData (&net_message, buff_in, compressed_len);
SZ_Init (&sb, buff_out, uncompressed_len);
sb.cursize = ZLibDecompress (buff_in, compressed_len, buff_out, uncompressed_len, -15);
old = net_message;
net_message = sb;
CL_ParseServerMessage ();
net_message = old;
Com_DPrintf ("Got a ZPacket, %d->%d\n", uncompressed_len + 4, compressed_len);
#else
Com_Error (ERR_DROP, "Receied a zPacket but no zlib in this binary");
#endif
}
void CL_ParseZPacket (sizebuf_t *msg)
{
byte buff_in[MAX_MSGLEN];
byte buff_out[0xFFFF];
sizebuf_t sb;
uint16 compressed_len = MSG_ReadShort (msg);
uint16 uncompressed_len = MSG_ReadShort (msg);
if (uncompressed_len <= 0)
Com_Error (ERR_DROP, "CL_ParseZPacket: uncompressed_len <= 0");
if (compressed_len <= 0)
Com_Error (ERR_DROP, "CL_ParseZPacket: compressed_len <= 0");
MSG_ReadData (msg, buff_in, compressed_len);
SZ_Init (&sb, buff_out, uncompressed_len);
sb.cursize = ZLibDecompress (buff_in, compressed_len, buff_out, uncompressed_len, -15);
CL_ParseServerMessage(&sb);
Com_DPrintf ("Got a ZPacket, %d->%d\n", uncompressed_len + 4, compressed_len);
}
void CL_ParseDownload (qboolean dataIsCompressed)
{
int size, percent;
char name[MAX_OSPATH];
// read the data
size = MSG_ReadShort (&net_message);
percent = MSG_ReadByte (&net_message);
if (size < 0)
{
if (size == -1)
Com_Printf ("Server does not have this file.\n", LOG_CLIENT);
else
Com_Printf ("Bad download data from server.\n", LOG_CLIENT);
//r1: nuke the temp filename
cls.downloadtempname[0] = 0;
cls.downloadname[0] = 0;
cls.failed_download = true;
if (cls.download)
{
// if here, we tried to resume a file but the server said no
fclose (cls.download);
cls.download = NULL;
}
cls.downloadpending = false;
CL_RequestNextDownload ();
return;
}
// open the file if not opened yet
if (!cls.download)
{
if (!cls.downloadtempname[0])
{
Com_Printf ("Received download packet without request. Ignored.\n", LOG_CLIENT);
net_message.readcount += size;
return;
}
CL_DownloadFileName(name, sizeof(name), cls.downloadtempname);
FS_CreatePath (name);
cls.download = fopen (name, "wb");
if (!cls.download)
{
net_message.readcount += size;
Com_Printf ("Failed to open %s\n", LOG_CLIENT, cls.downloadtempname);
cls.downloadpending = false;
CL_RequestNextDownload ();
return;
}
}
//r1: downloading something, drop to console to show status bar
SCR_EndLoadingPlaque();
//r1: if we're stuck with udp, may as well make best use of the bandwidth...
if (dataIsCompressed)
{
#ifndef NO_ZLIB
uint16 uncompressedLen;
byte uncompressed[0xFFFF];
uncompressedLen = (uint16)MSG_ReadShort (&net_message);
if (!uncompressedLen)
Com_Error (ERR_DROP, "uncompressedLen == 0");
ZLibDecompress (net_message_buffer + net_message.readcount, size, uncompressed, uncompressedLen, -15);
fwrite (uncompressed, 1, uncompressedLen, cls.download);
Com_DPrintf ("svc_zdownload(%s): %d -> %d\n", cls.downloadname, size, uncompressedLen);
#else
Com_Error (ERR_DROP, "Received a unrequested compressed download");
#endif
}
else
{
fwrite (net_message_buffer + net_message.readcount, 1, size, cls.download);
}
net_message.readcount += size;
if (percent != 100)
{
cls.downloadpercent = percent;
MSG_WriteByte (clc_stringcmd);
MSG_Print ("nextdl");
MSG_EndWriting (&cls.netchan.message);
send_packet_now = true;
}
else
{
CL_FinishDownload ();
// get another file if needed
CL_RequestNextDownload ();
}
}
/*
=====================
CL_ParseDownload
A download message has been received from the server
=====================
*/
void CL_ParseDownload (sizebuf_t *msg, qboolean dataIsCompressed)
{
int size, percent;
char name[MAX_OSPATH];
// int r;
// read the data
size = MSG_ReadShort (msg);
percent = MSG_ReadByte (msg);
if (size < 0)
{
if (size == -1)
Com_Printf ("Server does not have this file.\n");
else
Com_Printf ("Bad download data from server.\n");
cls.downloadtempname[0] = 0;
cls.downloadname[0] = 0;
cls.failed_download = true;
if (cls.download)
{
// if here, we tried to resume a file but the server said no
fclose (cls.download);
cls.download = NULL;
}
CL_RequestNextDownload ();
return;
}
// open the file if not opened yet
if (!cls.download)
{
if (!cls.downloadtempname[0])
{
Com_Printf ("Received download packet without request. Ignored.\n");
msg->readcount += size;
return;
}
CL_DownloadFileName(name, sizeof(name), cls.downloadtempname);
FS_CreatePath (name);
cls.download = fopen (name, "wb");
if (!cls.download)
{
msg->readcount += size;
Com_Printf ("Failed to open %s\n", cls.downloadtempname);
CL_RequestNextDownload ();
return;
}
}
if (dataIsCompressed)
{
uint16 uncompressedLen;
byte uncompressed[0xFFFF];
uncompressedLen = MSG_ReadShort (msg);
if (!uncompressedLen)
Com_Error (ERR_DROP, "uncompressedLen == 0");
ZLibDecompress (msg->data + msg->readcount, size, uncompressed, uncompressedLen, -15);
fwrite (uncompressed, 1, uncompressedLen, cls.download);
Com_DPrintf ("svc_zdownload(%s): %d -> %d\n", cls.downloadname, size, uncompressedLen);
}
else
{
fwrite (msg->data + msg->readcount, 1, size, cls.download);
}
//fwrite (net_message.data + net_message.readcount, 1, size, cls.download);
msg->readcount += size;
if (percent != 100)
{
// request next block
// change display routines by zoid
cls.downloadpercent = percent;
MSG_WriteByte (&cls.netchan.message, clc_stringcmd);
SZ_Print (&cls.netchan.message, "nextdl");
}
else
{
CL_FinishDownload();
// get another file if needed
CL_RequestNextDownload ();
}
}
