SHERLOCK: 3DO: support for cAnim data (startCAnim)

it's now possible to leave the first room

Conflicts:
	engines/sherlock/objects.cpp

7 files changed, 87 insertions, 28 deletions

diff --git a/engines/sherlock/image_file.cpp b/engines/sherlock/image_file.cpp
index 95f34dc24b..342e5ee4e3 100644
--- a/engines/sherlock/image_file.cpp
+++ b/engines/sherlock/image_file.cpp
@@ -244,11 +244,14 @@ void ImageFile3DO::setVm(SherlockEngine *vm) {
 }
 
 ImageFile3DO::ImageFile3DO(const Common::String &name, ImageFile3DOType imageFile3DOType) {
+#if 0
 	Common::File *dataStream = new Common::File();
 
 	if (!dataStream->open(name)) {
 		error("unable to open %s\n", name.c_str());
 	}
+#endif
+	Common::SeekableReadStream *dataStream = _vm->_res->load(name);
 
 	switch(imageFile3DOType) {
 	case kImageFile3DOType_Animation:
diff --git a/engines/sherlock/objects.cpp b/engines/sherlock/objects.cpp
index 8e75ce7336..cbc3cbde07 100644
--- a/engines/sherlock/objects.cpp
+++ b/engines/sherlock/objects.cpp
@@ -1503,14 +1503,14 @@ const Common::Rect Object::getOldBounds() const {
 
 /*----------------------------------------------------------------*/
 
-void CAnim::load(Common::SeekableReadStream &s, bool isRoseTattoo) {
+void CAnim::load(Common::SeekableReadStream &s, bool isRoseTattoo, uint32 dataOffset) {
 	char buffer[12];
 	s.read(buffer, 12);
 	_name = Common::String(buffer);
 
 	if (isRoseTattoo) {
 		Common::fill(&_sequences[0], &_sequences[30], 0);
-		_size = s.readUint32LE();
+		_dataSize = s.readUint32LE();
 	} else {
 		s.read(_sequences, 30);
 	}
@@ -1522,7 +1522,7 @@ void CAnim::load(Common::SeekableReadStream &s, bool isRoseTattoo) {
 		_flags = s.readByte();
 		_scaleVal = s.readSint16LE();
 	} else {
-		_size = s.readUint32LE();
+		_dataSize = s.readUint32LE();
 		_type = (SpriteType)s.readUint16LE();
 		_flags = s.readByte();
 	}
@@ -1557,13 +1557,20 @@ void CAnim::load(Common::SeekableReadStream &s, bool isRoseTattoo) {
 		_teleport[0].x = _teleport[0].x * FIXED_INT_MULTIPLIER / 100;
 		_teleport[0].y = _teleport[0].y * FIXED_INT_MULTIPLIER / 100;
 	}
+
+	// Save offset of data, which is actually inside another table inside the room data file
+	// This table is at offset 44 for Serrated Scalpel
+	// TODO: find it for the other game
+	_dataOffset = dataOffset;
 }
 
-void CAnim::load3DO(Common::SeekableReadStream &s) {
+void CAnim::load3DO(Common::SeekableReadStream &s, uint32 dataOffset) {
 	// this got reordered on 3DO
 	// maybe it was the 3DO compiler
 
-	_size = s.readUint32BE();
+	_dataSize = s.readUint32BE();
+	// Save offset of data, which is inside another table inside the room data file
+	_dataOffset = dataOffset;
 
 	_position.x = s.readSint16BE();
 	_position.y = s.readSint16BE();
diff --git a/engines/sherlock/objects.h b/engines/sherlock/objects.h
index 935b4b3cb2..6a71166ee9 100644
--- a/engines/sherlock/objects.h
+++ b/engines/sherlock/objects.h
@@ -444,7 +444,8 @@ public:
 struct CAnim {
 	Common::String _name;			// Name
 	Common::Point _position;		// Position
-	int _size;						// Size of uncompressed animation
+	int _dataSize;					// Size of uncompressed animation data
+	uint32 _dataOffset;				// offset within room file of animation data
 	int _flags;						// Tells if can be walked behind
 	PositionFacing _goto[2];		// Position Holmes (and NPC in Rose Tattoo) should walk to before anim starts
 	PositionFacing _teleport[2];	// Location Holmes (and NPC) shoul teleport to after playing canim
@@ -459,8 +460,8 @@ struct CAnim {
 	/**
 	 * Load the data for the animation
 	 */
-	void load(Common::SeekableReadStream &s, bool isRoseTattoo);
-	void load3DO(Common::SeekableReadStream &s);
+	void load(Common::SeekableReadStream &s, bool isRoseTattoo, uint32 dataOffset);
+	void load3DO(Common::SeekableReadStream &s, uint32 dataOffset);
 };
 
 class CAnimStream {
diff --git a/engines/sherlock/scalpel/scalpel_scene.cpp b/engines/sherlock/scalpel/scalpel_scene.cpp
index 813e4188ae..c4da8e09a0 100644
--- a/engines/sherlock/scalpel/scalpel_scene.cpp
+++ b/engines/sherlock/scalpel/scalpel_scene.cpp
@@ -568,21 +568,26 @@ int ScalpelScene::startCAnim(int cAnimNum, int playRate) {
 		Common::String fname = cAnim._name + ".vgs";
 		if (!res.isInCache(fname)) {
 			// Set up RRM scene data
-			Common::SeekableReadStream *rrmStream = res.load(_rrmName);
-			rrmStream->seek(44 + cAnimNum * 4);
-			rrmStream->seek(rrmStream->readUint32LE());
+			Common::SeekableReadStream *roomStream = res.load(_roomFilename);
+			roomStream->seek(cAnim._dataOffset);
+			//rrmStream->seek(44 + cAnimNum * 4);
+			//rrmStream->seek(rrmStream->readUint32LE());
 
 			// Load the canimation into the cache
-			Common::SeekableReadStream *imgStream = !_lzwMode ? rrmStream->readStream(cAnim._size) :
-				Resources::decompressLZ(*rrmStream, cAnim._size);
+			Common::SeekableReadStream *imgStream = !_lzwMode ? roomStream->readStream(cAnim._dataSize) :
+				Resources::decompressLZ(*roomStream, cAnim._dataSize);
 			res.addToCache(fname, *imgStream);
 
 			delete imgStream;
-			delete rrmStream;
+			delete roomStream;
 		}
 
 		// Now load the resource as an image
-		cObj._images = new ImageFile(fname);
+		if (_vm->getPlatform() != Common::kPlatform3DO) {
+			cObj._images = new ImageFile(fname);
+		} else {
+			cObj._images = new ImageFile3DO(fname, kImageFile3DOType_RoomFormat);
+		}
 		cObj._imageFrame = &(*cObj._images)[0];
 		cObj._maxFrames = cObj._images->size();
 
diff --git a/engines/sherlock/scene.cpp b/engines/sherlock/scene.cpp
index da7f088a06..760307f31a 100644
--- a/engines/sherlock/scene.cpp
+++ b/engines/sherlock/scene.cpp
@@ -310,7 +310,7 @@ bool Scene::loadScene(const Common::String &filename) {
 	if (_vm->getPlatform() != Common::kPlatform3DO) {
 		// PC version
 		Common::String roomFilename = filename + ".rrm";
-		_rrmName = roomFilename;
+		_roomFilename = roomFilename;
 
 		flag = _vm->_res->exists(roomFilename);
 		if (flag) {
@@ -464,17 +464,42 @@ bool Scene::loadScene(const Common::String &filename) {
 			_cAnim.clear();
 			if (bgHeader._numcAnimations) {
 				int animSize = IS_SERRATED_SCALPEL ? 65 : 47;
-				Common::SeekableReadStream *canimStream = _lzwMode ?
+				Common::SeekableReadStream *cAnimStream = _lzwMode ?
 					res.decompress(*rrmStream, animSize * bgHeader._numcAnimations) :
 					rrmStream->readStream(animSize * bgHeader._numcAnimations);
 
+				// Load cAnim offset table as well
+				uint32 *cAnimOffsetTablePtr = new uint32[bgHeader._numcAnimations];
+				uint32 *cAnimOffsetPtr = cAnimOffsetTablePtr;
+				memset(cAnimOffsetTablePtr, 0, bgHeader._numcAnimations);
+ 				if (IS_SERRATED_SCALPEL) {
+					// Save current stream offset
+					int32 curOffset = rrmStream->pos();
+					rrmStream->seek(44); // Seek to cAnim-Offset-Table
+					for (uint16 curCAnim = 0; curCAnim < bgHeader._numcAnimations; curCAnim++) {
+						*cAnimOffsetPtr = rrmStream->readUint32LE();
+						cAnimOffsetPtr++;
+					}
+					// Seek back to original stream offset
+					rrmStream->seek(curOffset);
+				}
+				// TODO: load offset table for Rose Tattoo as well
+
+				// Go to the start of the cAnimOffsetTable
+				cAnimOffsetPtr = cAnimOffsetTablePtr;
+
 				_cAnim.resize(bgHeader._numcAnimations);
-				for (uint idx = 0; idx < _cAnim.size(); ++idx)
-					_cAnim[idx].load(*canimStream, IS_ROSE_TATTOO);
+				for (uint idx = 0; idx < _cAnim.size(); ++idx) {
+					_cAnim[idx].load(*cAnimStream, IS_ROSE_TATTOO, *cAnimOffsetPtr);
+					cAnimOffsetPtr++;
+				}
 
-				delete canimStream;
+				delete cAnimStream;
+				delete cAnimOffsetTablePtr;
 			}
 
+			
+
 			// Read in the room bounding areas
 			int size = rrmStream->readUint16LE();
 			Common::SeekableReadStream *boundsStream = !_lzwMode ? rrmStream :
@@ -579,12 +604,12 @@ bool Scene::loadScene(const Common::String &filename) {
 
 	} else {
 		// === 3DO version ===
-		Common::String roomFilename = "rooms/" + filename + ".rrm";
-		flag = _vm->_res->exists(roomFilename);
+		_roomFilename = "rooms/" + filename + ".rrm";
+		flag = _vm->_res->exists(_roomFilename);
 		if (!flag)
 			error("loadScene: 3DO room data file not found");
 
-		Common::SeekableReadStream *roomStream = _vm->_res->load(roomFilename);
+		Common::SeekableReadStream *roomStream = _vm->_res->load(_roomFilename);
 
 		// Read 3DO header
 		roomStream->skip(4); // UINT32: offset graphic data?
@@ -690,13 +715,30 @@ bool Scene::loadScene(const Common::String &filename) {
 		_cAnim.clear();
 		if (header3DO_numAnimations) {
 			roomStream->seek(header3DO_cAnim_offset);
-			Common::SeekableReadStream *canimStream = roomStream->readStream(header3DO_cAnim_size);
+			Common::SeekableReadStream *cAnimStream = roomStream->readStream(header3DO_cAnim_size);
+
+			uint32 *cAnimOffsetTablePtr = new uint32[header3DO_numAnimations];
+			uint32 *cAnimOffsetPtr = cAnimOffsetTablePtr;
+			memset(cAnimOffsetTablePtr, 0, header3DO_numAnimations);
+
+			// Seek to end of graphics data and load cAnim offset table from there
+			roomStream->seek(header3DO_bgGraphicData_offset + header3DO_bgGraphicData_size);
+			for (uint16 curCAnim = 0; curCAnim < header3DO_numAnimations; curCAnim++) {
+				*cAnimOffsetPtr = roomStream->readUint32BE();
+				cAnimOffsetPtr++;
+			}
+
+			// Go to the start of the cAnimOffsetTable
+			cAnimOffsetPtr = cAnimOffsetTablePtr;
 
 			_cAnim.resize(header3DO_numAnimations);
-			for (uint idx = 0; idx < _cAnim.size(); ++idx)
-				_cAnim[idx].load3DO(*canimStream);
+			for (uint idx = 0; idx < _cAnim.size(); ++idx) {
+				_cAnim[idx].load3DO(*cAnimStream, *cAnimOffsetPtr);
+				cAnimOffsetPtr++;
+			}
 
-			delete canimStream;
+			delete cAnimStream;
+			delete cAnimOffsetTablePtr;
 		}
 
 		// === BOUNDING AREAS === Read in the room bounding areas
diff --git a/engines/sherlock/scene.h b/engines/sherlock/scene.h
index a3542026e6..8c428659ae 100644
--- a/engines/sherlock/scene.h
+++ b/engines/sherlock/scene.h
@@ -165,7 +165,7 @@ private:
 	void saveSceneStatus();
 protected:
 	SherlockEngine *_vm;
-	Common::String _rrmName;
+	Common::String _roomFilename;
 
 	/**
 	 * Loads the data associated for a given scene. The room resource file's format is:
diff --git a/engines/sherlock/sherlock.cpp b/engines/sherlock/sherlock.cpp
index bc150cae92..9c397e3794 100644
--- a/engines/sherlock/sherlock.cpp
+++ b/engines/sherlock/sherlock.cpp
@@ -78,6 +78,7 @@ void SherlockEngine::initialize() {
 	DebugMan.addDebugChannel(kDebugLevelMusic,       "Music",   "Music debugging");
 
 	ImageFile::setVm(this);
+	ImageFile3DO::setVm(this);
 	Object::setVm(this);
 	Sprite::setVm(this);