From 6cfb706faee5020fd6196889de27ddf3e07c4c80 Mon Sep 17 00:00:00 2001
From: Johannes Schickel
Date: Sun, 7 Jun 2009 00:51:19 +0000
Subject: Fix WSA v2 code, now the automap remove WSA file in Lands of Lore
 plays correctly.

svn-id: r41315
---
 engines/kyra/wsamovie.cpp | 16 ++++++----------
 engines/kyra/wsamovie.h   |  1 +
 2 files changed, 7 insertions(+), 10 deletions(-)

diff --git a/engines/kyra/wsamovie.cpp b/engines/kyra/wsamovie.cpp
index fc33201d65..f7b4e9df1f 100644
--- a/engines/kyra/wsamovie.cpp
+++ b/engines/kyra/wsamovie.cpp
@@ -416,17 +416,13 @@ int WSAMovie_v2::open(const char *filename, int unk1, uint8 *palBuf) {
 
 	for (int i = 1; i < _numFrames + 2; ++i) {
 		_frameOffsTable[i] = READ_LE_UINT32(wsaData);
+		if (_frameOffsTable[i])
+			_frameOffsTable[i] -= frameDataOffs;
 		wsaData += 4;
 	}
 
-	for (int i = 1; i < _numFrames; ++i)
-		_frameOffsTable[i] -= frameDataOffs;
-
-	// WSA movies without last frame offset need special treatment
-	if (_frameOffsTable[_numFrames + 1])
-		_frameOffsTable[_numFrames] -= frameDataOffs;
-	else
-		_frameOffsTable[_numFrames] = 0;
+	if (!_frameOffsTable[_numFrames + 1])
+		_flags |= WF_NO_LAST_FRAME;
 
 	// skip palette
 	wsaData += offsPal;
@@ -477,13 +473,13 @@ void WSAMovie_v2::displayFrame(int frameNum, int pageNum, int x, int y, ...) {
 	int frameCount;
 	if (_currentFrame < frameNum) {
 		frameCount = _numFrames - frameNum + _currentFrame;
-		if (diffCount > frameCount)
+		if (diffCount > frameCount && !(_flags & WF_NO_LAST_FRAME))
 			frameStep = -1;
 		else
 			frameCount = diffCount;
 	} else {
 		frameCount = _numFrames - _currentFrame + frameNum;
-		if (frameCount >= diffCount) {
+		if (frameCount >= diffCount || (_flags & WF_NO_LAST_FRAME)) {
 			frameStep = -1;
 			frameCount = diffCount;
 		}
diff --git a/engines/kyra/wsamovie.h b/engines/kyra/wsamovie.h
index ab6007f060..fdceca1cd8 100644
--- a/engines/kyra/wsamovie.h
+++ b/engines/kyra/wsamovie.h
@@ -80,6 +80,7 @@ public:
 
 	enum WSAFlags {
 		WF_OFFSCREEN_DECODE = 0x10,
+		WF_NO_LAST_FRAME = 0x20,
 		WF_NO_FIRST_FRAME = 0x40,
 		WF_HAS_PALETTE = 0x100,
 		WF_XOR = 0x200
-- 
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