2 files changed, 6 insertions, 0 deletions
diff --git a/src/simulation/Simulation.cpp b/src/simulation/Simulation.cpp
index 3f82f1b..ceaae07 100644
--- a/src/simulation/Simulation.cpp
+++ b/src/simulation/Simulation.cpp
@@ -18,6 +18,11 @@ unsigned char * Simulation::Save(int & dataLength)
 	return SaveLoader::BuildSave(dataLength, this, 0, 0, XRES, YRES);
 }
 
+unsigned char * Simulation::Save(int x1, int y1, int x2, int y2, int & dataLength)
+{
+	return SaveLoader::BuildSave(dataLength, this, x1, y1, x2-x1, y2-y1);
+}
+
 void Simulation::clear_area(int area_x, int area_y, int area_w, int area_h)
 {
 	int cx = 0;
diff --git a/src/simulation/Simulation.h b/src/simulation/Simulation.h
index 007f3c2..b33b349 100644
--- a/src/simulation/Simulation.h
+++ b/src/simulation/Simulation.h
@@ -208,6 +208,7 @@ public:
 
 	int Load(unsigned char * data, int dataLength);
 	unsigned char * Save(int & dataLength);
+	unsigned char * Save(int x1, int y1, int x2, int y2, int & dataLength);
 	inline int is_blocking(int t, int x, int y);
 	inline int is_boundary(int pt, int x, int y);
 	inline int find_next_boundary(int pt, int *x, int *y, int dm, int *em);