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-rw-r--r--engines/sci/graphics/video32.cpp23
1 files changed, 22 insertions, 1 deletions
diff --git a/engines/sci/graphics/video32.cpp b/engines/sci/graphics/video32.cpp
index 0dde86a65d..380ab804d7 100644
--- a/engines/sci/graphics/video32.cpp
+++ b/engines/sci/graphics/video32.cpp
@@ -371,7 +371,25 @@ void AVIPlayer::renderFrame() const {
return;
}
- bitmap.getBuffer().copyRectToSurface(*surface, 0, 0, Common::Rect(surface->w, surface->h));
+ // KQ7 1.51 encodes videos with palette entry 0 as white, which makes
+ // the area around the video turn white too, since it is coded to use
+ // palette entry 0. This happens to work in the original game because
+ // the video is rendered by VfW, not in the engine itself. To fix this,
+ // we just modify the incoming pixel data from the video so if a pixel
+ // is using entry 0, we change it to use entry 255, which is guaranteed
+ // to always be white
+ if (getSciVersion() == SCI_VERSION_2_1_EARLY && g_sci->getGameId() == GID_KQ7) {
+ uint8 *target = bitmap.getPixels();
+ uint8 *source = (uint8 *)surface->getPixels();
+ uint8 *end = (uint8 *)surface->getPixels() + surface->w * surface->h;
+
+ while (source != end) {
+ uint8 value = *source++;
+ *target++ = value == 0 ? 255 : value;
+ }
+ } else {
+ bitmap.getBuffer().copyRectToSurface(*surface, 0, 0, Common::Rect(surface->w, surface->h));
+ }
const bool dirtyPalette = _decoder->hasDirtyPalette();
if (dirtyPalette) {
@@ -384,6 +402,9 @@ void AVIPlayer::renderFrame() const {
palette.colors[i].used = true;
}
+ // Prevent KQ7 1.51 from setting entry 0 to white
+ palette.colors[0].used = false;
+
g_sci->_gfxPalette32->submit(palette);
}