diff options
-rw-r--r-- | scumm/gfx.cpp | 41 |
1 files changed, 37 insertions, 4 deletions
diff --git a/scumm/gfx.cpp b/scumm/gfx.cpp index ae8b049ab0..9a2a9fbf52 100644 --- a/scumm/gfx.cpp +++ b/scumm/gfx.cpp @@ -805,11 +805,24 @@ void Scumm::restoreBG(int left, int top, int right, int bottom, byte backColor) } } -bool Scumm::hasCharsetMask(int x, int y, int x2, int y2) { - if (!_charset->_hasMask || y > gdi._mask_bottom || x > gdi._mask_right || - y2 < gdi._mask_top || x2 < gdi._mask_left) +bool Scumm::hasCharsetMask(int left, int top, int right, int bottom) { + // FIXME: I wonder if the <= / >= here shouldn't be replaced by < / > + // After all, right/bottom are not actually part of the rects. + // That is, the pixels part of the rect range from x = left .. right-1 + // and y = top .. bottom-1. The 'equal' / '=' cases in the check + // would mean that the rects are touching on their borders, but not + // actually overlapping. + return _charset->_hasMask + && top <= gdi._mask_bottom + && left <= gdi._mask_right + && bottom >= gdi._mask_top + && right >= gdi._mask_left; +/* + if (!_charset->_hasMask || top > gdi._mask_bottom || left > gdi._mask_right || + bottom < gdi._mask_top || right < gdi._mask_left) return false; return true; +*/ } bool Scumm::isMaskActiveAt(int l, int t, int r, int b, byte *mem) { @@ -3365,10 +3378,21 @@ void Scumm::grabCursor(byte *ptr, int width, int height) { void Scumm::useIm01Cursor(byte *im, int w, int h) { VirtScreen *vs = &virtscr[0]; + byte *buf, *src, *dst; + int i; w <<= 3; h <<= 3; + dst = buf = (byte *) malloc(w * h); + src = vs->screenPtr + vs->xstart; + + for (i = 0; i < h; i++) { + memcpy(dst, src, w); + dst += w; + src += _screenWidth; + } + drawBox(0, 0, w - 1, h - 1, 0xFF); vs->alloctwobuffers = false; @@ -3379,7 +3403,16 @@ void Scumm::useIm01Cursor(byte *im, int w, int h) { grabCursor(vs->screenPtr + vs->xstart, w, h); - blit(vs->screenPtr + vs->xstart, getResourceAddress(rtBuffer, 5) + vs->xstart, w, h); + src = buf; + dst = vs->screenPtr + vs->xstart; + + for (i = 0; i < h; i++) { + memcpy(dst, src, w); + dst += _screenWidth; + src += w; + } + + free(buf); } void Scumm::setCursor(int cursor) { |