libretro/scummvm
1
0
Fork 0
mirror of https://github.com/libretro/scummvm.git synced 2025-04-03 07:11:49 +00:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

SCUMM: Fix backwards-in-same-array case of v72he::copyArray.

Browse Source
This commit is contained in:
Alyssa Milburn 2013-08-04 15:48:55 +02:00
parent 7b517f7fd1
commit 89e14f6862
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
engines/scumm/he/script_v72he.cpp
View File

@ -1779,8 +1779,11 @@ void ScummEngine_v72he::copyArray(int array1, int a1_dim2start, int a1_dim2end,
copyArrayHelper(ah, a1_dim2start, a1_dim1start, a1_dim1end, &dst, &dstPitch, &rowSize);
copyArrayHelper(ah, a2_dim2start, a2_dim1start, a2_dim1end, &src, &srcPitch, &rowSize);
} else {
// start at the end, so we copy backwards (in case the indices overlap)
copyArrayHelper(ah, a1_dim2end, a1_dim1start, a1_dim1end, &dst, &dstPitch, &rowSize);
copyArrayHelper(ah, a2_dim2end, a2_dim1start, a2_dim1end, &src, &srcPitch, &rowSize);
dstPitch = -dstPitch;
srcPitch = -srcPitch;
}
for (; a1_dim2start <= a1_dim2end; ++a1_dim2start) {
memcpy(dst, src, rowSize);