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| author | Magnus Auvinen <magnus.auvinen@gmail.com> | 2007-09-09 18:21:14 +0000 |
|---|---|---|
| committer | Magnus Auvinen <magnus.auvinen@gmail.com> | 2007-09-09 18:21:14 +0000 |
| commit | 3f4587ede831760b2f6976960658d202c9d847ff (patch) | |
| tree | 6c3a22251906673e5e7491dcd86faec23887691b /src/engine/compression.c | |
| parent | 350e968f514a00d4a89395ed13e415103390b9d9 (diff) | |
| download | zcatch-3f4587ede831760b2f6976960658d202c9d847ff.tar.gz zcatch-3f4587ede831760b2f6976960658d202c9d847ff.zip | |
a lot of changes. client side prediction added
Diffstat (limited to 'src/engine/compression.c')
| -rw-r--r-- | src/engine/compression.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/src/engine/compression.c b/src/engine/compression.c index 2f3e37ca..e89cdadf 100644 --- a/src/engine/compression.c +++ b/src/engine/compression.c @@ -1,23 +1,23 @@ #include "system.h" #include <string.h> -// Format: ESDDDDDD EDDDDDDD EDD... Extended, Data, Sign +/* Format: ESDDDDDD EDDDDDDD EDD... Extended, Data, Sign */ unsigned char *vint_pack(unsigned char *dst, int i) { - *dst = (i>>25)&0x40; // set sign bit if i<0 - i = i^(i>>31); // if(i<0) i = ~i + *dst = (i>>25)&0x40; /* set sign bit if i<0 */ + i = i^(i>>31); /* if(i<0) i = ~i */ - *dst |= i&0x3F; // pack 6bit into dst - i >>= 6; // discard 6 bits + *dst |= i&0x3F; /* pack 6bit into dst */ + i >>= 6; /* discard 6 bits */ if(i) { - *dst |= 0x80; // set extend bit + *dst |= 0x80; /* set extend bit */ while(1) { dst++; - *dst = i&(0x7F); // pack 7bit - i >>= 7; // discard 7 bits - *dst |= (i!=0)<<7; // set extend bit (may branch) + *dst = i&(0x7F); /* pack 7bit */ + i >>= 7; /* discard 7 bits */ + *dst |= (i!=0)<<7; /* set extend bit (may branch) */ if(!i) break; } @@ -52,7 +52,7 @@ const unsigned char *vint_unpack(const unsigned char *src, int *i) } while(0); src++; - *i ^= -sign; // if(sign) *i = ~(*i) + *i ^= -sign; /* if(sign) *i = ~(*i) */ return src; } @@ -85,7 +85,7 @@ long intpack_compress(const void *src_, int size, void *dst_) } -// +/* */ long zerobit_compress(const void *src_, int size, void *dst_) { unsigned char *src = (unsigned char *)src_; |