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Fix netcode inconsistency, thanks to /dev/humancontroller for the patch, see http://bugzilla.icculus.org/show_bug.cgi?id=4060

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This commit is contained in:
Thilo Schulz 2009-10-12 17:17:15 +00:00
parent e48b56559d
commit 186f30a74f
5 changed files with 22 additions and 23 deletions
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23
code/qcommon/msg.c
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@ -311,9 +311,9 @@ void MSG_WriteString( msg_t *sb, const char *s ) {
}
Q_strncpyz( string, s, sizeof( string ) );
// get rid of 0xff chars, because old clients don't like them
// get rid of 0x80+ and '%' chars, because old clients don't like them
for ( i = 0 ; i < l ; i++ ) {
if ( ((byte *)string)[i] > 127 ) {
if ( ((byte *)string)[i] > 127 || string[i] == '%' ) {
string[i] = '.';
}
}
@ -337,9 +337,9 @@ void MSG_WriteBigString( msg_t *sb, const char *s ) {
}
Q_strncpyz( string, s, sizeof( string ) );
// get rid of 0xff chars, because old clients don't like them
// get rid of 0x80+ and '%' chars, because old clients don't like them
for ( i = 0 ; i < l ; i++ ) {
if ( ((byte *)string)[i] > 127 ) {
if ( ((byte *)string)[i] > 127 || string[i] == '%' ) {
string[i] = '.';
}
}
@ -525,6 +525,21 @@ void MSG_ReadData( msg_t *msg, void *data, int len ) {
}
}
// a string hasher which gives the same hash value even if the
// string is later modified via the legacy MSG read/write code
int MSG_HashKey(const char *string, int maxlen) {
int hash, i;
hash = 0;
for (i = 0; i < maxlen && string[i] != '\0'; i++) {
if (string[i] & 0x80 || string[i] == '%')
hash += '.' * (119 + i);
else
hash += string[i] * (119 + i);
}
hash = (hash ^ (hash >> 10) ^ (hash >> 20));
return hash;
}
/*
=============================================================================