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author | Eugene Sandulenko | 2018-05-05 14:01:56 +0200 |
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committer | Eugene Sandulenko | 2018-05-05 23:17:35 +0200 |
commit | e3b9be66799cfa907930b96fd67475dbcb36f308 (patch) | |
tree | cf0ad365b3b59e5d41e376c92a7d62937ac53330 /engines/prince | |
parent | c2346309312f61597d39d3934096265c2d72fe66 (diff) | |
download | scummvm-rg350-e3b9be66799cfa907930b96fd67475dbcb36f308.tar.gz scummvm-rg350-e3b9be66799cfa907930b96fd67475dbcb36f308.tar.bz2 scummvm-rg350-e3b9be66799cfa907930b96fd67475dbcb36f308.zip |
JANITORIAL: Whitespace fixes
Diffstat (limited to 'engines/prince')
-rw-r--r-- | engines/prince/decompress.cpp | 254 |
1 files changed, 127 insertions, 127 deletions
diff --git a/engines/prince/decompress.cpp b/engines/prince/decompress.cpp index 2b563917f7..eda992c093 100644 --- a/engines/prince/decompress.cpp +++ b/engines/prince/decompress.cpp @@ -27,145 +27,145 @@ namespace Prince { static const uint16 table1[] = { - 0x8000, 0x0002, - 0x4000, 0x0004, - 0x2000, 0x0008, - 0x1000, 0x0010, - 0x0800, 0x0020, - 0x0400, 0x0040, - 0x0200, 0x0080, - 0x0100, 0x0100, - 0x0080, 0x0200, - 0x0040, 0x0400 + 0x8000, 0x0002, + 0x4000, 0x0004, + 0x2000, 0x0008, + 0x1000, 0x0010, + 0x0800, 0x0020, + 0x0400, 0x0040, + 0x0200, 0x0080, + 0x0100, 0x0100, + 0x0080, 0x0200, + 0x0040, 0x0400 }; static const uint32 table2[] = { - 0x0000F000, - 0x0020FC00, - 0x00A0FF00, - 0x02A0FF80, - 0x06A0FFC0, - 0x0EA0FFE0, - 0x1EA0FFF0, - 0x3EA0FFF8 + 0x0000F000, + 0x0020FC00, + 0x00A0FF00, + 0x02A0FF80, + 0x06A0FFC0, + 0x0EA0FFE0, + 0x1EA0FFF0, + 0x3EA0FFF8 }; static const uint16 table3[] = { - 0x8000, 0x0000, - 0x4000, 0x0002, - 0x2000, 0x0006, - 0x1000, 0x000E, - 0x0800, 0x001E, - 0x0400, 0x003E, - 0x0200, 0x007E, - 0x0100, 0x00FE, - 0x0080, 0x01FE, - 0x0040, 0x03FE, - 0x0020, 0x07FE, - 0x0010, 0x0FFE, - 0x0008, 0x1FFE, - 0x0004, 0x3FFE, - 0x0002, 0x7FFE, - 0x0001, 0xFFFE + 0x8000, 0x0000, + 0x4000, 0x0002, + 0x2000, 0x0006, + 0x1000, 0x000E, + 0x0800, 0x001E, + 0x0400, 0x003E, + 0x0200, 0x007E, + 0x0100, 0x00FE, + 0x0080, 0x01FE, + 0x0040, 0x03FE, + 0x0020, 0x07FE, + 0x0010, 0x0FFE, + 0x0008, 0x1FFE, + 0x0004, 0x3FFE, + 0x0002, 0x7FFE, + 0x0001, 0xFFFE }; void Decompressor::decompress(byte *source, byte *dest, uint32 destSize) { - byte *destEnd = dest + destSize; - int more; - _src = source; - _dst = dest; - _bitBuffer = 0x80; - while (_dst < destEnd) { - uint32 ebp; - uint16 offset, length; - if (getBit()) { - if (getBit()) { - if (getBit()) { - if (getBit()) { - if (getBit()) { - if (getBit()) { - uint32 tableIndex = 0; - while (getBit()) - tableIndex++; - length = table3[tableIndex * 2 + 0]; - do { - more = !(length & 0x8000); - length = (length << 1) | getBit(); - } while (more); - length += table3[tableIndex * 2 + 1]; - length++; - memcpy(_dst, _src, length); - _src += length; - _dst += length; - } - *_dst++ = *_src++; - } - *_dst++ = *_src++; - } - *_dst++ = *_src++; - } - *_dst++ = *_src++; - } - *_dst++ = *_src++; - } - if (!getBit()) { - if (getBit()) { - uint32 tableIndex = getBit(); - tableIndex = (tableIndex << 1) | getBit(); - tableIndex = (tableIndex << 1) | getBit(); - ebp = table2[tableIndex]; - length = 1; - } else { - ebp = 0x0000FF00; - length = 0; - } - } else { - uint32 tableIndex = 0; - while (getBit()) - tableIndex++; - length = table1[tableIndex * 2 + 0]; - do { - more = !(length & 0x8000); - length = (length << 1) | getBit(); - } while (more); - length += table1[tableIndex * 2 + 1]; - tableIndex = getBit(); - tableIndex = (tableIndex << 1) | getBit(); - tableIndex = (tableIndex << 1) | getBit(); - ebp = table2[tableIndex]; - } - offset = ebp & 0xFFFF; - do { - if (_bitBuffer == 0x80) { - if (offset >= 0xFF00) { - offset = (offset << 8) | *_src++; - } - } - more = offset & 0x8000; - offset = (offset << 1) | getBit(); - } while (more); - offset += (ebp >> 16); - length += 2; - while (length--) { - if (_dst >= destEnd) { - return; - } - *_dst = *(_dst - offset); - _dst++; - } - } + byte *destEnd = dest + destSize; + int more; + _src = source; + _dst = dest; + _bitBuffer = 0x80; + while (_dst < destEnd) { + uint32 ebp; + uint16 offset, length; + if (getBit()) { + if (getBit()) { + if (getBit()) { + if (getBit()) { + if (getBit()) { + if (getBit()) { + uint32 tableIndex = 0; + while (getBit()) + tableIndex++; + length = table3[tableIndex * 2 + 0]; + do { + more = !(length & 0x8000); + length = (length << 1) | getBit(); + } while (more); + length += table3[tableIndex * 2 + 1]; + length++; + memcpy(_dst, _src, length); + _src += length; + _dst += length; + } + *_dst++ = *_src++; + } + *_dst++ = *_src++; + } + *_dst++ = *_src++; + } + *_dst++ = *_src++; + } + *_dst++ = *_src++; + } + if (!getBit()) { + if (getBit()) { + uint32 tableIndex = getBit(); + tableIndex = (tableIndex << 1) | getBit(); + tableIndex = (tableIndex << 1) | getBit(); + ebp = table2[tableIndex]; + length = 1; + } else { + ebp = 0x0000FF00; + length = 0; + } + } else { + uint32 tableIndex = 0; + while (getBit()) + tableIndex++; + length = table1[tableIndex * 2 + 0]; + do { + more = !(length & 0x8000); + length = (length << 1) | getBit(); + } while (more); + length += table1[tableIndex * 2 + 1]; + tableIndex = getBit(); + tableIndex = (tableIndex << 1) | getBit(); + tableIndex = (tableIndex << 1) | getBit(); + ebp = table2[tableIndex]; + } + offset = ebp & 0xFFFF; + do { + if (_bitBuffer == 0x80) { + if (offset >= 0xFF00) { + offset = (offset << 8) | *_src++; + } + } + more = offset & 0x8000; + offset = (offset << 1) | getBit(); + } while (more); + offset += (ebp >> 16); + length += 2; + while (length--) { + if (_dst >= destEnd) { + return; + } + *_dst = *(_dst - offset); + _dst++; + } + } } int Decompressor::getBit() { - int bit = (_bitBuffer & 0x80) >> 7; - _bitBuffer <<= 1; - if (_bitBuffer == 0) { - _bitBuffer = *_src++; - bit = (_bitBuffer & 0x80) >> 7; - _bitBuffer <<= 1; - _bitBuffer |= 1; - } - return bit; + int bit = (_bitBuffer & 0x80) >> 7; + _bitBuffer <<= 1; + if (_bitBuffer == 0) { + _bitBuffer = *_src++; + bit = (_bitBuffer & 0x80) >> 7; + _bitBuffer <<= 1; + _bitBuffer |= 1; + } + return bit; } } // End of namespace Prince |