1 files changed, 38 insertions, 1 deletions
diff --git a/engines/access/data.cpp b/engines/access/data.cpp
index 0ef1845892..ed913c9be9 100644
--- a/engines/access/data.cpp
+++ b/engines/access/data.cpp
@@ -20,10 +20,47 @@
  *
  */
 
-#include "access/data.h"
 #include "common/algorithm.h"
+#include "common/endian.h"
+#include "common/memstream.h"
+#include "access/access.h"
+#include "access/data.h"
 
 namespace Access {
 
+SpriteResource::SpriteResource(AccessEngine *vm, const byte *data, uint32 size) {
+	Common::MemoryReadStream stream(data, size);
+	Common::Array<uint32> offsets;
+	int count = stream.readUint16LE();
+
+	for (int i = 0; i < count; i++)
+		offsets.push_back(stream.readUint32LE());
+	offsets.push_back(size);	// For easier calculations of Noctropolis sizes
+
+	// Build up the frames
+	for (int i = 0; i < count; ++i) {
+		stream.seek(offsets[i]);
+
+		SpriteFrame *frame = new SpriteFrame();
+		frame->_width = stream.readUint16LE();
+		frame->_height = stream.readUint16LE();
+		frame->_size = (vm->getGameID() == GType_MeanStreets) ? stream.readUint16LE() :
+			offsets[i + 1] - offsets[i];
+
+		frame->_data = new byte[frame->_size];
+		stream.read(frame->_data, frame->_size);
+
+		_frames.push_back(frame);
+	}
+}
+
+SpriteResource::~SpriteResource() {
+	for (uint i = 0; i < _frames.size(); ++i)
+		delete _frames[i];
+}
+
+SpriteFrame::~SpriteFrame() {
+	delete[] _data;
+}
 
 } // End of namespace Access