* Rename datatypes to prevent collision

This commit is contained in:
2014-06-17 21:51:18 -07:00
parent cc71bec5d7
commit 5f74cdb9ed
74 changed files with 1134 additions and 1052 deletions

View File

@@ -26,7 +26,7 @@ namespace io
namespace Compression
{
Int32 decompressZlib(Uint8 *src, Uint32 srcLen, Uint8* dst, Uint32 dstLen)
atInt32 decompressZlib(atUint8 *src, atUint32 srcLen, atUint8* dst, atUint32 dstLen)
{
z_stream strm = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
strm.total_in = strm.avail_in = srcLen;
@@ -38,8 +38,8 @@ Int32 decompressZlib(Uint8 *src, Uint32 srcLen, Uint8* dst, Uint32 dstLen)
strm.zfree = Z_NULL;
strm.opaque = Z_NULL;
Int32 err = -1;
Int32 ret = -1;
atInt32 err = -1;
atInt32 ret = -1;
err = inflateInit(&strm); //15 window bits, and the +32 tells zlib to to detect if using gzip or zlib
if (err == Z_OK)
@@ -64,7 +64,7 @@ Int32 decompressZlib(Uint8 *src, Uint32 srcLen, Uint8* dst, Uint32 dstLen)
return ret;
}
Int32 compressZlib(const Uint8 *src, Uint32 srcLen, Uint8 *dst, Uint32 dstLen)
atInt32 compressZlib(const atUint8 *src, atUint32 srcLen, atUint8 *dst, atUint32 dstLen)
{
z_stream strm = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
strm.total_in = strm.avail_in = srcLen;
@@ -76,8 +76,8 @@ Int32 compressZlib(const Uint8 *src, Uint32 srcLen, Uint8 *dst, Uint32 dstLen)
strm.zfree = Z_NULL;
strm.opaque = Z_NULL;
Int32 err = -1;
Int32 ret = -1;
atInt32 err = -1;
atInt32 ret = -1;
err = deflateInit(&strm, Z_BEST_COMPRESSION);
@@ -103,7 +103,7 @@ Int32 compressZlib(const Uint8 *src, Uint32 srcLen, Uint8 *dst, Uint32 dstLen)
return ret;
}
Int32 decompressLZO(Uint8* source, Int32 sourceSize, Uint8* dest, Int32& dstSize)
atInt32 decompressLZO(atUint8* source, atInt32 sourceSize, atUint8* dest, atInt32& dstSize)
{
int size = dstSize;
int result = lzo1x_decode(dest, &size, source, &sourceSize);
@@ -114,12 +114,12 @@ Int32 decompressLZO(Uint8* source, Int32 sourceSize, Uint8* dest, Int32& dstSize
//src points to the yaz0 source data (to the "real" source data, not at the header!)
//dst points to a buffer uncompressedSize bytes large (you get uncompressedSize from
//the second 4 bytes in the Yaz0 header).
Uint32 yaz0Decode(Uint8* src, Uint8* dst, Uint32 uncompressedSize)
atUint32 yaz0Decode(atUint8* src, atUint8* dst, atUint32 uncompressedSize)
{
Uint32 srcPlace = 0, dstPlace = 0; //current read/write positions
atUint32 srcPlace = 0, dstPlace = 0; //current read/write positions
Int32 validBitCount = 0; //number of valid bits left in "code" byte
Uint8 currCodeByte;
atInt32 validBitCount = 0; //number of valid bits left in "code" byte
atUint8 currCodeByte;
while(dstPlace < uncompressedSize)
{
//read new "code" byte if the current one is used up
@@ -140,14 +140,14 @@ Uint32 yaz0Decode(Uint8* src, Uint8* dst, Uint32 uncompressedSize)
else
{
//RLE part
Uint8 byte1 = src[srcPlace];
Uint8 byte2 = src[srcPlace + 1];
atUint8 byte1 = src[srcPlace];
atUint8 byte2 = src[srcPlace + 1];
srcPlace += 2;
Uint32 dist = ((byte1 & 0xF) << 8) | byte2;
Uint32 copySource = dstPlace - (dist + 1);
atUint32 dist = ((byte1 & 0xF) << 8) | byte2;
atUint32 copySource = dstPlace - (dist + 1);
Uint32 numBytes = byte1 >> 4;
atUint32 numBytes = byte1 >> 4;
if(numBytes == 0)
{
numBytes = src[srcPlace] + 0x12;
@@ -157,7 +157,7 @@ Uint32 yaz0Decode(Uint8* src, Uint8* dst, Uint32 uncompressedSize)
numBytes += 2;
//copy run
for(Uint32 i = 0; i < numBytes; ++i)
for(atUint32 i = 0; i < numBytes; ++i)
{
dst[dstPlace] = dst[copySource];
copySource++;
@@ -176,26 +176,26 @@ Uint32 yaz0Decode(Uint8* src, Uint8* dst, Uint32 uncompressedSize)
// Yaz0 encode
typedef struct
{
Uint32 srcPos, dstPos;
atUint32 srcPos, dstPos;
} yaz0_Ret;
Uint32 simpleEnc(Uint8* src, Int32 size, Int32 pos, Uint32 *pMatchPos);
Uint32 nintendoEnc(Uint8* src, Int32 size, Int32 pos, Uint32 *pMatchPos);
atUint32 simpleEnc(atUint8* src, atInt32 size, atInt32 pos, atUint32 *pMatchPos);
atUint32 nintendoEnc(atUint8* src, atInt32 size, atInt32 pos, atUint32 *pMatchPos);
Uint32 yaz0Encode(Uint8* src, Uint32 srcSize, Uint8* data)
atUint32 yaz0Encode(atUint8* src, atUint32 srcSize, atUint8* data)
{
yaz0_Ret r = { 0, 0 };
Int32 pos = 0;
Uint8 dst[24]; // 8 codes * 3 bytes maximum
Uint32 dstSize = 0;
Uint32 i;
atInt32 pos = 0;
atUint8 dst[24]; // 8 codes * 3 bytes maximum
atUint32 dstSize = 0;
atUint32 i;
Uint32 validBitCount = 0; //number of valid bits left in "code" byte
Uint8 currCodeByte = 0;
atUint32 validBitCount = 0; //number of valid bits left in "code" byte
atUint8 currCodeByte = 0;
while(r.srcPos < srcSize)
{
Uint32 numBytes;
Uint32 matchPos;
atUint32 numBytes;
atUint32 matchPos;
numBytes = nintendoEnc(src, srcSize, r.srcPos, &matchPos);
if (numBytes < 3)
{
@@ -209,8 +209,8 @@ Uint32 yaz0Encode(Uint8* src, Uint32 srcSize, Uint8* data)
else
{
//RLE part
Uint32 dist = r.srcPos - matchPos - 1;
Uint8 byte1, byte2, byte3;
atUint32 dist = r.srcPos - matchPos - 1;
atUint8 byte1, byte2, byte3;
if (numBytes >= 0x12) // 3 byte encoding
{
@@ -265,12 +265,12 @@ Uint32 yaz0Encode(Uint8* src, Uint32 srcSize, Uint8* data)
}
// a lookahead encoding scheme for ngc Yaz0
Uint32 nintendoEnc(Uint8* src, Int32 size, Int32 pos, Uint32 *pMatchPos)
atUint32 nintendoEnc(atUint8* src, atInt32 size, atInt32 pos, atUint32 *pMatchPos)
{
Uint32 numBytes = 1;
static Uint32 numBytes1;
static Uint32 matchPos;
static Int32 prevFlag = 0;
atUint32 numBytes = 1;
static atUint32 numBytes1;
static atUint32 matchPos;
static atInt32 prevFlag = 0;
// if prevFlag is set, it means that the previous position was determined by look-ahead try.
// so just use it. this is not the best optimization, but nintendo's choice for speed.
@@ -297,11 +297,11 @@ Uint32 nintendoEnc(Uint8* src, Int32 size, Int32 pos, Uint32 *pMatchPos)
}
// simple and straight encoding scheme for Yaz0
Uint32 simpleEnc(Uint8* src, Int32 size, Int32 pos, Uint32 *pMatchPos)
atUint32 simpleEnc(atUint8* src, atInt32 size, atInt32 pos, atUint32 *pMatchPos)
{
int startPos = pos - 0x1000, j, i;
Uint32 numBytes = 1;
Uint32 matchPos = 0;
atUint32 numBytes = 1;
atUint32 matchPos = 0;
if (startPos < 0)
startPos = 0;
@@ -312,7 +312,7 @@ Uint32 simpleEnc(Uint8* src, Int32 size, Int32 pos, Uint32 *pMatchPos)
if (src[i+j] != src[j+pos])
break;
}
if ((Uint32)j > numBytes)
if ((atUint32)j > numBytes)
{
numBytes = j;
matchPos = i;