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authorboris <wzn@moneybot.cc>2018-11-28 16:00:02 +1300
committerboris <wzn@moneybot.cc>2018-11-28 16:00:02 +1300
commit3d412a4b30a9f7c7f51ea6562e694315948bd3da (patch)
tree26d67dfd1f3e5fd12903ad13e85d0cb8bcf8f21c /cheat/internal_rewrite/Valve/checksum_crc.cpp
parente4729e4393d90271a3814c7a79950a660c48325a (diff)
cleaned up
in short, the cheat and loader are now separate solutions. unused stuff was moved into the legacy solution in case anyone wants to compile it or whatever. i can change this back if you want to. also, i configured the loader to compile in x64, and have separate build types for linux and win64
Diffstat (limited to 'cheat/internal_rewrite/Valve/checksum_crc.cpp')
-rw-r--r--cheat/internal_rewrite/Valve/checksum_crc.cpp169
1 files changed, 169 insertions, 0 deletions
diff --git a/cheat/internal_rewrite/Valve/checksum_crc.cpp b/cheat/internal_rewrite/Valve/checksum_crc.cpp
new file mode 100644
index 0000000..bc7b433
--- /dev/null
+++ b/cheat/internal_rewrite/Valve/checksum_crc.cpp
@@ -0,0 +1,169 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Generic CRC functions
+//
+//=============================================================================//
+
+
+#include "checksum_crc.h"
+
+#define CRC32_INIT_VALUE 0xFFFFFFFFUL
+#define CRC32_XOR_VALUE 0xFFFFFFFFUL
+
+#define NUM_BYTES 256
+static const CRC32_t pulCRCTable[ NUM_BYTES ] =
+{
+ 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba,
+ 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3,
+ 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
+ 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,
+ 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
+ 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
+ 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec,
+ 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5,
+ 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
+ 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
+ 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940,
+ 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
+ 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116,
+ 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f,
+ 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
+ 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,
+ 0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a,
+ 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
+ 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818,
+ 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
+ 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
+ 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457,
+ 0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c,
+ 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
+ 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
+ 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb,
+ 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
+ 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9,
+ 0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086,
+ 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
+ 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4,
+ 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad,
+ 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
+ 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683,
+ 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
+ 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
+ 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe,
+ 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7,
+ 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
+ 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
+ 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252,
+ 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
+ 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60,
+ 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79,
+ 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
+ 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f,
+ 0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04,
+ 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
+ 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a,
+ 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
+ 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
+ 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21,
+ 0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e,
+ 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
+ 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
+ 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45,
+ 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
+ 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db,
+ 0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0,
+ 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
+ 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6,
+ 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf,
+ 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
+ 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
+};
+
+void CRC32_Init( CRC32_t *pulCRC ) {
+ *pulCRC = CRC32_INIT_VALUE;
+}
+
+void CRC32_Final( CRC32_t *pulCRC ) {
+ *pulCRC ^= CRC32_XOR_VALUE;
+}
+
+CRC32_t CRC32_GetTableEntry( unsigned int slot ) {
+ return pulCRCTable[ ( unsigned char )slot ];
+}
+
+void CRC32_ProcessBuffer( CRC32_t *pulCRC, const void *pBuffer, int nBuffer ) {
+ CRC32_t ulCrc = *pulCRC;
+ unsigned char *pb = ( unsigned char * )pBuffer;
+ unsigned int nFront;
+ int nMain;
+
+JustAfew:
+
+ switch( nBuffer ) {
+ case 7:
+ ulCrc = pulCRCTable[ *pb++ ^ ( unsigned char )ulCrc ] ^ ( ulCrc >> 8 );
+
+ case 6:
+ ulCrc = pulCRCTable[ *pb++ ^ ( unsigned char )ulCrc ] ^ ( ulCrc >> 8 );
+
+ case 5:
+ ulCrc = pulCRCTable[ *pb++ ^ ( unsigned char )ulCrc ] ^ ( ulCrc >> 8 );
+
+ case 4:
+ ulCrc ^= *( CRC32_t * )pb;
+ ulCrc = pulCRCTable[ ( unsigned char )ulCrc ] ^ ( ulCrc >> 8 );
+ ulCrc = pulCRCTable[ ( unsigned char )ulCrc ] ^ ( ulCrc >> 8 );
+ ulCrc = pulCRCTable[ ( unsigned char )ulCrc ] ^ ( ulCrc >> 8 );
+ ulCrc = pulCRCTable[ ( unsigned char )ulCrc ] ^ ( ulCrc >> 8 );
+ *pulCRC = ulCrc;
+ return;
+
+ case 3:
+ ulCrc = pulCRCTable[ *pb++ ^ ( unsigned char )ulCrc ] ^ ( ulCrc >> 8 );
+
+ case 2:
+ ulCrc = pulCRCTable[ *pb++ ^ ( unsigned char )ulCrc ] ^ ( ulCrc >> 8 );
+
+ case 1:
+ ulCrc = pulCRCTable[ *pb++ ^ ( unsigned char )ulCrc ] ^ ( ulCrc >> 8 );
+
+ case 0:
+ *pulCRC = ulCrc;
+ return;
+ }
+
+ // We may need to do some alignment work up front, and at the end, so that
+ // the main loop is aligned and only has to worry about 8 byte at a time.
+ //
+ // The low-order two bits of pb and nBuffer in total control the
+ // upfront work.
+ //
+ nFront = ( ( unsigned int )pb ) & 3;
+ nBuffer -= nFront;
+ switch( nFront ) {
+ case 3:
+ ulCrc = pulCRCTable[ *pb++ ^ ( unsigned char )ulCrc ] ^ ( ulCrc >> 8 );
+ case 2:
+ ulCrc = pulCRCTable[ *pb++ ^ ( unsigned char )ulCrc ] ^ ( ulCrc >> 8 );
+ case 1:
+ ulCrc = pulCRCTable[ *pb++ ^ ( unsigned char )ulCrc ] ^ ( ulCrc >> 8 );
+ }
+
+ nMain = nBuffer >> 3;
+ while( nMain-- ) {
+ ulCrc ^= *( CRC32_t * )pb ;
+ ulCrc = pulCRCTable[ ( unsigned char )ulCrc ] ^ ( ulCrc >> 8 );
+ ulCrc = pulCRCTable[ ( unsigned char )ulCrc ] ^ ( ulCrc >> 8 );
+ ulCrc = pulCRCTable[ ( unsigned char )ulCrc ] ^ ( ulCrc >> 8 );
+ ulCrc = pulCRCTable[ ( unsigned char )ulCrc ] ^ ( ulCrc >> 8 );
+ ulCrc ^= *( CRC32_t * )( pb + 4 );
+ ulCrc = pulCRCTable[ ( unsigned char )ulCrc ] ^ ( ulCrc >> 8 );
+ ulCrc = pulCRCTable[ ( unsigned char )ulCrc ] ^ ( ulCrc >> 8 );
+ ulCrc = pulCRCTable[ ( unsigned char )ulCrc ] ^ ( ulCrc >> 8 );
+ ulCrc = pulCRCTable[ ( unsigned char )ulCrc ] ^ ( ulCrc >> 8 );
+ pb += 8;
+ }
+
+ nBuffer &= 7;
+ goto JustAfew;
+}