1 files changed, 78 insertions, 8 deletions

diff --git a/engines/m4/assets.cpp b/engines/m4/assets.cpp
index 1f3cf278ae..23122eb960 100644
--- a/engines/m4/assets.cpp
+++ b/engines/m4/assets.cpp
@@ -98,7 +98,8 @@ long *DataAsset::getRow(int index) {
 	return &_data[_recSize * index];
 }
 
-SpriteAsset::SpriteAsset(MadsM4Engine *vm, Common::SeekableReadStream* stream, int size, const char *name, bool asStream) : 
+SpriteAsset::SpriteAsset(MadsM4Engine *vm, Common::SeekableReadStream* stream, int size, const char *name, 
+						 bool asStream, int flags) : 
 			BaseAsset(vm) {
 	_stream = stream;
 	_palInterface = NULL;
@@ -107,7 +108,7 @@ SpriteAsset::SpriteAsset(MadsM4Engine *vm, Common::SeekableReadStream* stream, i
 	if (_vm->isM4()) {
 		loadM4SpriteAsset(vm, stream, asStream);
 	} else {
-		loadMadsSpriteAsset(vm, stream);
+		loadMadsSpriteAsset(vm, stream, flags);
 	}
 }
 
@@ -119,7 +120,7 @@ SpriteAsset::SpriteAsset(MadsM4Engine *vm, const char *name): BaseAsset(vm) {
 	if (_vm->isM4()) {
 		loadM4SpriteAsset(vm, _stream, true);
 	} else {
-		loadMadsSpriteAsset(vm, _stream);
+		loadMadsSpriteAsset(vm, _stream, 0);
 	}
 
 	vm->res()->toss(name);
@@ -136,6 +137,8 @@ SpriteAsset::~SpriteAsset() {
 	for (Common::Array<SpriteAssetFrame>::iterator it = _frames.begin(); it != _frames.end(); ++it) {
 		delete (*it).frame;
 	}
+
+	delete _charInfo;
 }
 
 void SpriteAsset::loadM4SpriteAsset(MadsM4Engine *vm, Common::SeekableReadStream* stream, bool asStream) {
@@ -200,7 +203,7 @@ void SpriteAsset::loadM4SpriteAsset(MadsM4Engine *vm, Common::SeekableReadStream
 
 }
 
-void SpriteAsset::loadMadsSpriteAsset(MadsM4Engine *vm, Common::SeekableReadStream* stream) {
+void SpriteAsset::loadMadsSpriteAsset(MadsM4Engine *vm, Common::SeekableReadStream* stream, int flags) {
 	int curFrame = 0;
 	uint32 frameOffset = 0;
 	MadsPack sprite(stream);
@@ -217,7 +220,12 @@ void SpriteAsset::loadMadsSpriteAsset(MadsM4Engine *vm, Common::SeekableReadStre
 	_isBackground = (type1 != 0) && (type2 < 4);
 	spriteStream->skip(32);
 	_frameCount = spriteStream->readUint16LE();
-	// we skip the rest of the data
+
+	if (_vm->isM4() || ((flags & SPRITE_SET_CHAR_INFO) == 0))
+		_charInfo = NULL;
+	else
+		_charInfo = new MadsSpriteSetCharInfo(spriteStream);
+
 	delete spriteStream;
 
 	// Get the palette data
@@ -234,12 +242,15 @@ void SpriteAsset::loadMadsSpriteAsset(MadsM4Engine *vm, Common::SeekableReadStre
 	spriteStream = sprite.getItemStream(1);
 	Common::SeekableReadStream *spriteDataStream = sprite.getItemStream(3);
 	SpriteAssetFrame frame;
+	Common::Array<int> frameSizes;
 	for (curFrame = 0; curFrame < _frameCount; curFrame++) {
 		frame.stream = 0;
 		frame.comp = 0;
 		frameOffset = spriteStream->readUint32LE();
 		_frameOffsets.push_back(frameOffset);
-		spriteStream->readUint32LE();	// frame size
+		uint32 frameSize = spriteStream->readUint32LE();
+		frameSizes.push_back(frameSize);
+
 		frame.x = spriteStream->readUint16LE();
 		frame.y = spriteStream->readUint16LE();
 		frame.w = spriteStream->readUint16LE();
@@ -247,9 +258,44 @@ void SpriteAsset::loadMadsSpriteAsset(MadsM4Engine *vm, Common::SeekableReadStre
 		if (curFrame == 0)
 			debugC(1, kDebugGraphics, "%i frames, x = %i, y = %i, w = %i, h = %i\n", _frameCount, frame.x, frame.y, frame.w, frame.h);
 
-		frame.frame = new M4Sprite(spriteDataStream, frame.x, frame.y, frame.w, frame.h, false);
+		if (_mode == 0) {
+			// Create a frame and decompress the raw pixel data
+			uint32 currPos = (uint32)spriteDataStream->pos();
+			frame.frame = new M4Sprite(spriteDataStream, frame.x, frame.y, frame.w, frame.h, false);
+			assert((uint32)spriteDataStream->pos() == (currPos + frameSize));
+		}
+
 		_frames.push_back(frame);
 	}
+
+	if (_mode != 0) {
+		// Handle decompressing Fab encoded data
+		for (curFrame = 0; curFrame < _frameCount; curFrame++) {
+			FabDecompressor fab;
+
+			int srcSize = (curFrame == (_frameCount - 1)) ? spriteDataStream->size() - _frameOffsets[curFrame] :
+				_frameOffsets[curFrame + 1] - _frameOffsets[curFrame];
+			byte *srcData = (byte *)malloc(srcSize);
+			assert(srcData);
+			spriteDataStream->read(srcData, srcSize);
+
+			byte *destData = (byte *)malloc(frameSizes[curFrame]);
+			assert(destData);
+
+			fab.decompress(srcData, srcSize, destData, frameSizes[curFrame]);
+
+			// Load the frame
+			Common::MemoryReadStream *rs = new Common::MemoryReadStream(destData, frameSizes[curFrame]);
+			_frames[curFrame].frame = new M4Sprite(rs, _frames[curFrame].x, _frames[curFrame].y, 
+				_frames[curFrame].w, _frames[curFrame].h, false);
+			delete rs;
+
+			free(srcData);
+			free(destData);
+		}
+	}
+
+
 	delete spriteStream;
 	delete spriteDataStream;
 }
@@ -320,7 +366,12 @@ void SpriteAsset::loadFrameHeader(SpriteAssetFrame &frameHeader, bool isBigEndia
 }
 
 M4Sprite *SpriteAsset::getFrame(int frameIndex) {
-	return _frames[frameIndex].frame;
+	if ((uint)frameIndex < _frames.size()) {
+		return _frames[frameIndex].frame;
+	} else {
+		warning("SpriteAsset::getFrame: Invalid frame %d, out of %d", frameIndex, _frames.size());
+		return _frames[_frames.size() - 1].frame;
+	}
 }
 
 void SpriteAsset::loadStreamingFrame(M4Sprite *frame, int frameIndex, int destX, int destY) {
@@ -578,4 +629,23 @@ int32 AssetManager::getSpriteFrameCount(int32 hash) {
 	return _CELS[hash]->getCount();
 }
 
+//--------------------------------------------------------------------------
+
+MadsSpriteSetCharInfo::MadsSpriteSetCharInfo(Common::SeekableReadStream *s) {
+	_totalFrames = s->readByte();
+	s->skip(1);
+	_numEntries = s->readUint16LE();
+	
+	for (int i = 0; i < 16; ++i)
+		_frameList[i] = s->readUint16LE();
+	for (int i = 0; i < 16; ++i)
+		_frameList2[i] = s->readUint16LE();
+	for (int i = 0; i < 16; ++i)
+		_ticksList[i] = s->readUint16LE();
+
+	_unk1 = s->readUint16LE();
+	_ticksAmount = s->readByte();
+	_yScale = s->readByte();
+}
+
 } // End of namespace M4