1 files changed, 95 insertions, 0 deletions
diff --git a/engines/mads/assets.cpp b/engines/mads/assets.cpp
new file mode 100644
index 0000000000..4c075d054e
--- /dev/null
+++ b/engines/mads/assets.cpp
@@ -0,0 +1,95 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "common/scummsys.h"
+#include "mads/mads.h"
+#include "mads/assets.h"
+#include "mads/compression.h"
+#include "mads/events.h"
+
+namespace MADS {
+
+SpriteAsset::SpriteAsset(MADSEngine *vm, const Common::String &resourceName, int flags):
+		_vm(vm) {
+	Common::String resName = resourceName;
+	if (!resName.hasSuffix(".SS"))
+		resName += ".SS";
+	
+	File file(resName);
+	MadsPack sprites(&file);
+
+	int curFrame = 0;
+	uint32 frameOffset = 0;
+	_frameRate = 0;
+	_pixelSpeed = 0;
+	_maxWidth = 0;
+	_maxHeight = 0;
+
+	Common::SeekableReadStream *spriteStream = sprites.getItemStream(0);
+	for (int i = 0; i < 19; i++) {
+		spriteStream->readUint16LE();
+	}
+	_frameCount = spriteStream->readUint16LE();
+	// we skip the rest of the data
+	delete spriteStream;
+
+	// Get the palette data
+	spriteStream = sprites.getItemStream(2);
+	int numColors = 0;
+	byte *palData = _vm->_palette->decodePalette(spriteStream, &numColors);
+
+	Common::copy(palData, &palData[numColors], &_palette[0]);
+	if (numColors < 256) 
+		Common::fill(&_palette[numColors * 3], &_palette[PALETTE_SIZE], 0);
+	_colorCount = numColors;
+	delete[] palData;
+	delete spriteStream;
+
+	spriteStream = sprites.getItemStream(1);
+	Common::SeekableReadStream *spriteDataStream = sprites.getItemStream(3);
+
+	SpriteAssetFrame frame;
+	for (curFrame = 0; curFrame < _frameCount; curFrame++) {
+		frame.comp = 0;
+		frameOffset = spriteStream->readUint32LE();
+		_frameOffsets.push_back(frameOffset);
+		spriteStream->readUint32LE();	// frame size
+		frame.x = spriteStream->readUint16LE();
+		frame.y = spriteStream->readUint16LE();
+		frame.w = spriteStream->readUint16LE();
+		frame.h = spriteStream->readUint16LE();
+		if (curFrame == 0) {
+			debugN(kDebugGraphics, "%i frames, x = %i, y = %i, w = %i, h = %i\n", 
+				_frameCount, frame.x, frame.y, frame.w, frame.h);
+		}
+
+		frame.frame = new MSprite(spriteDataStream, Common::Point(frame.x, frame.y), 
+			frame.w, frame.h, false);
+		_frames.push_back(frame);
+	}
+
+	delete spriteStream;
+	delete spriteDataStream;
+	file.close();
+}
+
+} // End of namespace MADS