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author | Johannes Schickel | 2007-01-09 11:50:22 +0000 |
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committer | Johannes Schickel | 2007-01-09 11:50:22 +0000 |
commit | d61a84e0ab125c6a0208f8d19e91b6b410d0f4f8 (patch) | |
tree | 57e6cc888ba920435644fe5f0e21c73a9ec782d8 | |
parent | 49f773d2f853f36c724eecb0c4bf383e315f0b26 (diff) | |
download | scummvm-rg350-d61a84e0ab125c6a0208f8d19e91b6b410d0f4f8.tar.gz scummvm-rg350-d61a84e0ab125c6a0208f8d19e91b6b410d0f4f8.tar.bz2 scummvm-rg350-d61a84e0ab125c6a0208f8d19e91b6b410d0f4f8.zip |
Fix for bug #1631352 ("KYRA1: Graphics heavily broken and ScummVM crash"), I tried memmove here, but it also crashed on Win32 with memmove, so I reverted it back to how it was.
svn-id: r25059
-rw-r--r-- | engines/kyra/screen.cpp | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/engines/kyra/screen.cpp b/engines/kyra/screen.cpp index 80cb2abc65..b170f613ba 100644 --- a/engines/kyra/screen.cpp +++ b/engines/kyra/screen.cpp @@ -1414,7 +1414,9 @@ void Screen::decodeFrame4(const uint8 *src, uint8 *dst, uint32 dstSize) { int len = MIN(count, (code >> 4) + 3); //upper half of code is the length int offs = ((code & 0xF) << 8) | *src++; //lower half of code as byte 2 of offset. const uint8 *dstOffs = dst - offs; - memcpy(dst, dstOffs, len); dst += len; + while (len--) { + *dst++ = *dstOffs++; + } } else if (code & 0x40) { // 7th bit is set int len = (code & 0x3F) + 3; if (code == 0xFE) { @@ -1432,12 +1434,16 @@ void Screen::decodeFrame4(const uint8 *src, uint8 *dst, uint32 dstSize) { len = count; } const uint8 *dstOffs = dstOrig + offs; - memcpy(dst, dstOffs, len); dst += len; + while (len--) { + *dst++ = *dstOffs++; + } } } else if (code != 0x80) { // not just the 8th bit set. //Copy some bytes from source to dest. int len = MIN(count, code & 0x3F); - memcpy(dst, src, len); dst += len; src += len; + while (len--) { + *dst++ = *src++; + } } else { break; } @@ -1499,7 +1505,7 @@ void Screen::decodeFrameDeltaPage(uint8 *dst, const uint8 *src, int pitch, bool template<bool noXor> void Screen::wrapped_decodeFrameDeltaPage(uint8 *dst, const uint8 *src, int pitch) { - debugC(9, kDebugLevelScreen, "Screen::decodeFrameDeltaPage(%p, %p, %d)", (const void *)dst, (const void *)src, pitch); + debugC(9, kDebugLevelScreen, "Screen::wrapped_decodeFrameDeltaPage(%p, %p, %d)", (const void *)dst, (const void *)src, pitch); int count = 0; uint8 *dstNext = dst; while (1) { |