4 files changed, 28 insertions, 0 deletions
diff --git a/engines/gob/cmpfile.cpp b/engines/gob/cmpfile.cpp
index 62ac9f3fa4..7b21c4c835 100644
--- a/engines/gob/cmpfile.cpp
+++ b/engines/gob/cmpfile.cpp
@@ -230,4 +230,17 @@ void CMPFile::draw(Surface &dest, uint16 left, uint16 top, uint16 right, uint16
 	dest.blit(*_surface, left, top, right, bottom, x, y, transp);
 }
 
+uint16 CMPFile::addSprite(uint16 left, uint16 top, uint16 right, uint16 bottom) {
+	if (empty())
+		return 0;
+
+	const uint16 height = bottom - top  + 1;
+	const uint16 width  = right  - left + 1;
+
+	_maxWidth  = MAX(_maxWidth , width);
+	_maxHeight = MAX(_maxHeight, height);
+
+	return _coordinates->add(left, top, right, bottom);
+}
+
 } // End of namespace Gob
diff --git a/engines/gob/cmpfile.h b/engines/gob/cmpfile.h
index d409e15161..2b669e4d38 100644
--- a/engines/gob/cmpfile.h
+++ b/engines/gob/cmpfile.h
@@ -68,6 +68,8 @@ public:
 	void draw(Surface &dest, uint16 left, uint16 top, uint16 right, uint16 bottom,
 	          uint16 x, uint16 y, int32 transp = -1) const;
 
+	uint16 addSprite(uint16 left, uint16 top, uint16 right, uint16 bottom);
+
 private:
 	GobEngine *_vm;
 
diff --git a/engines/gob/rxyfile.cpp b/engines/gob/rxyfile.cpp
index 06a07bdc9c..9702dc8c7f 100644
--- a/engines/gob/rxyfile.cpp
+++ b/engines/gob/rxyfile.cpp
@@ -88,4 +88,15 @@ void RXYFile::load(Common::SeekableReadStream &rxy) {
 	}
 }
 
+uint16 RXYFile::add(uint16 left, uint16 top, uint16 right, uint16 bottom) {
+	_coords.resize(_coords.size() + 1);
+
+	_coords.back().left   = left;
+	_coords.back().top    = top;
+	_coords.back().right  = right;
+	_coords.back().bottom = bottom;
+
+	return _coords.size() - 1;
+}
+
 } // End of namespace Gob
diff --git a/engines/gob/rxyfile.h b/engines/gob/rxyfile.h
index 3b4d3de636..bc9600b5b0 100644
--- a/engines/gob/rxyfile.h
+++ b/engines/gob/rxyfile.h
@@ -58,6 +58,8 @@ public:
 
 	const Coordinates &operator[](uint i) const;
 
+	uint16 add(uint16 left, uint16 top, uint16 right, uint16 bottom);
+
 private:
 	typedef Common::Array<Coordinates> CoordArray;