diff options
| -rw-r--r-- | engines/sci/gfx/palette.cpp | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/engines/sci/gfx/palette.cpp b/engines/sci/gfx/palette.cpp index 14564eeebc..a3dc84325c 100644 --- a/engines/sci/gfx/palette.cpp +++ b/engines/sci/gfx/palette.cpp @@ -108,8 +108,9 @@ void Palette::unmerge() { int count = 0; for (uint i = 0; i < _size; ++i) { - if (_colors[i].refcount == PALENTRY_FREE) - continue; + if (_colors[i].refcount == PALENTRY_FREE) { + assert(_colors[i].parent_index == 0); + } int pi = _colors[i].parent_index; assert(pi >= 0); @@ -243,8 +244,15 @@ bool Palette::mergeInto(Palette *parent) { for (uint i = 0; i < _size; ++i) { PaletteEntry& entry = _colors[i]; - if (entry.refcount == PALENTRY_FREE) + if (entry.refcount == PALENTRY_FREE) { + // Force all unused colours to index 0 + entry.parent_index = 0; + if (_parent->_colors[0].refcount != PALENTRY_LOCKED) + _parent->_colors[0].refcount++; + if (_colors[i].r || _colors[i].g || _colors[i].b) + warning("Non-black unused colour in pic: index %d, %02X %02X %02X", i, _colors[i].r, _colors[i].g, _colors[i].b); continue; + } uint pi = _parent->findNearbyColor(entry.r, entry.g, entry.b); #ifdef DEBUG_MERGE |