GROOVIE: Handle flag 2 for V2 games (show a whole overlay video)

2 files changed, 10 insertions, 2 deletions

diff --git a/engines/groovie/roq.cpp b/engines/groovie/roq.cpp
index 34689d8aa2..1996181571 100644
--- a/engines/groovie/roq.cpp
+++ b/engines/groovie/roq.cpp
@@ -77,6 +77,10 @@ uint16 ROQPlayer::loadInternal() {
 		debug(1, " <- 0 ");
 	}
 
+	// Flags:
+	// - 2 For overlay videos, show the whole video
+	_flagTwo =	((_flags & (1 << 2)) != 0);
+
 	// Begin reading the file
 	debugC(1, kDebugVideo, "Groovie::ROQ: Loading video");
 
@@ -177,8 +181,9 @@ bool ROQPlayer::playFrameInternal() {
 		_dirty = false;
 	}
 
-	// Return whether the video has ended
-	return _file->eos();
+	// Report the end of the video if we reached the end of the file or if we
+	// just wanted to play one frame.
+	return _file->eos() || (_alpha && !_flagTwo);
 }
 
 bool ROQPlayer::readBlockHeader(ROQBlockHeader &blockHeader) {
diff --git a/engines/groovie/roq.h b/engines/groovie/roq.h
index 3a85517f59..b720e6a235 100644
--- a/engines/groovie/roq.h
+++ b/engines/groovie/roq.h
@@ -74,6 +74,9 @@ private:
 	uint32 _codebook2[256 * 4];
 	byte _codebook4[256 * 4];
 
+	// Flags
+	bool _flagTwo;
+
 	// Buffers
 	Graphics::Surface *_fg, *_bg;
 	Graphics::Surface *_currBuf, *_prevBuf;