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-rw-r--r--src/qcommon/qcommon.h9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/qcommon/qcommon.h b/src/qcommon/qcommon.h
index 165dccae..28834168 100644
--- a/src/qcommon/qcommon.h
+++ b/src/qcommon/qcommon.h
@@ -193,7 +193,8 @@ void NET_Sleep(int msec);
#define MAX_DOWNLOAD_WINDOW 48 // ACK window of 48 download chunks. Cannot set this higher, or clients
// will overflow the reliable commands buffer
#define MAX_DOWNLOAD_BLKSIZE 1024 // 896 byte block chunks
-
+
+#define NETCHAN_GENCHECKSUM(challenge, sequence) ((challenge) ^ ((sequence) * (challenge)))
/*
Netchan handles packet fragmentation and out of order / duplicate suppression
@@ -222,10 +223,12 @@ typedef struct {
int unsentFragmentStart;
int unsentLength;
byte unsentBuffer[MAX_MSGLEN];
+
+ int challenge;
} netchan_t;
void Netchan_Init( int qport );
-void Netchan_Setup( netsrc_t sock, netchan_t *chan, netadr_t adr, int qport );
+void Netchan_Setup(netsrc_t sock, netchan_t *chan, netadr_t adr, int qport, int challenge);
void Netchan_Transmit( netchan_t *chan, int length, const byte *data );
void Netchan_TransmitNextFragment( netchan_t *chan );
@@ -241,7 +244,7 @@ PROTOCOL
==============================================================
*/
-#define PROTOCOL_VERSION 70
+#define PROTOCOL_VERSION 71
// maintain a list of compatible protocols for demo playing
// NOTE: that stuff only works with two digits protocols