From d8acba294d7898ffff70ea679579cd8ae5eab0a7 Mon Sep 17 00:00:00 2001
From: Littleboy
Date: Fri, 27 Jul 2012 16:07:23 -0400
Subject: LASTEXPRESS: Add IgnoreSubtype option to AnimFrame

---
 engines/lastexpress/data/animation.cpp | 2 +-
 engines/lastexpress/data/sequence.cpp  | 2 +-
 engines/lastexpress/data/sequence.h    | 6 ++++--
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/engines/lastexpress/data/animation.cpp b/engines/lastexpress/data/animation.cpp
index ce42acb8fe..7618259e69 100644
--- a/engines/lastexpress/data/animation.cpp
+++ b/engines/lastexpress/data/animation.cpp
@@ -230,7 +230,7 @@ AnimFrame *Animation::processChunkFrame(Common::SeekableReadStream *in, const Ch
 	i.read(str, false);
 
 	// Decode the frame
-	AnimFrame *f = new AnimFrame(str, i);
+	AnimFrame *f = new AnimFrame(str, i, true);
 
 	// Delete the temporary chunk buffer
 	delete str;
diff --git a/engines/lastexpress/data/sequence.cpp b/engines/lastexpress/data/sequence.cpp
index e1e0d9bee8..a5bcba84cd 100644
--- a/engines/lastexpress/data/sequence.cpp
+++ b/engines/lastexpress/data/sequence.cpp
@@ -76,7 +76,7 @@ void FrameInfo::read(Common::SeekableReadStream *in, bool isSequence) {
 
 // AnimFrame
 
-AnimFrame::AnimFrame(Common::SeekableReadStream *in, const FrameInfo &f) : _palette(NULL) {
+AnimFrame::AnimFrame(Common::SeekableReadStream *in, const FrameInfo &f, bool ignoreSubtype) : _palette(NULL), _ignoreSubtype(ignoreSubtype) {
 	_palSize = 1;
 	// TODO: use just the needed rectangle
 	_image.create(640, 480, Graphics::PixelFormat::createFormatCLUT8());
diff --git a/engines/lastexpress/data/sequence.h b/engines/lastexpress/data/sequence.h
index 9987eae48e..610a55cebf 100644
--- a/engines/lastexpress/data/sequence.h
+++ b/engines/lastexpress/data/sequence.h
@@ -49,8 +49,9 @@
 	    byte {1}      - Compression type
 	    byte {1}      - Subtype (determines which set of decompression functions will be called) => 0, 1, 2, 3
 	    byte {1}      - Unknown
+	    byte {1}      - Keep previous frame while drawing
+	    byte {1}      - Unknown
 	    byte {1}      - Unknown
-		uint16 {2}    - Unknown
 	    byte {1}      - Sound action
 	    byte {1}      - Unknown
 	    uint32 {4}    - positionId
@@ -129,7 +130,7 @@ struct FrameInfo {
 
 class AnimFrame : public Drawable {
 public:
-	AnimFrame(Common::SeekableReadStream *in, const FrameInfo &f);
+	AnimFrame(Common::SeekableReadStream *in, const FrameInfo &f, bool ignoreSubtype = false);
 	~AnimFrame();
 	Common::Rect draw(Graphics::Surface *s);
 
@@ -146,6 +147,7 @@ private:
 	uint16 _palSize;
 	uint16 *_palette;
 	Common::Rect _rect;
+	bool _ignoreSubtype;
 };
 
 class Sequence {
-- 
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