Wall Edge option, fixes #70

2 files changed, 39 insertions, 0 deletions

diff --git a/src/simulation/Simulation.cpp b/src/simulation/Simulation.cpp
index 4fb9ac2..64969e1 100644
--- a/src/simulation/Simulation.cpp
+++ b/src/simulation/Simulation.cpp
@@ -750,6 +750,41 @@ int Simulation::create_part_add_props(int p, int x, int y, int tv, int rx, int r
 	return p;
 }
 
+void Simulation::SetEdgeMode(int newEdgeMode)
+{
+	edgeMode = newEdgeMode;
+	switch(edgeMode)
+	{
+	case 0:
+		for(int i = 0; i<(XRES/CELL); i++)
+		{
+			bmap[0][i] = 0;
+			bmap[YRES/CELL-1][i] = 0;
+		}
+		for(int i = 1; i<((YRES/CELL)-1); i++)
+		{
+			bmap[i][0] = 0;
+			bmap[i][XRES/CELL-1] = 0;
+		}
+		break;
+	case 1:
+		int i;
+		for(i=0; i<(XRES/CELL); i++)
+		{
+			bmap[0][i] = WL_WALL;
+			bmap[YRES/CELL-1][i] = WL_WALL;
+		}
+		for(i=1; i<((YRES/CELL)-1); i++)
+		{
+			bmap[i][0] = WL_WALL;
+			bmap[i][XRES/CELL-1] = WL_WALL;
+		}
+		break;
+	default:
+		SetEdgeMode(0);
+	}
+}
+
 void Simulation::ApplyDecoration(int x, int y, int colR_, int colG_, int colB_, int colA_, int mode)
 {
 	int rp;
@@ -1801,6 +1836,7 @@ void Simulation::clear_sim(void)
 		grav->Clear();
 	if(air)
 		air->Clear();
+	SetEdgeMode(edgeMode);
 }
 void Simulation::init_can_move()
 {
diff --git a/src/simulation/Simulation.h b/src/simulation/Simulation.h
index e4f4311..9b10df2 100644
--- a/src/simulation/Simulation.h
+++ b/src/simulation/Simulation.h
@@ -102,6 +102,7 @@ public:
 	int photons[YRES][XRES];
 	int pmap_count[YRES][XRES];
 	//
+	int edgeMode;
 	int gravityMode;
 	//int airMode;
 	int legacy_enable;
@@ -156,6 +157,8 @@ public:
 	void rotate_area(int area_x, int area_y, int area_w, int area_h, int invert);
 	void clear_area(int area_x, int area_y, int area_w, int area_h);
 
+	void SetEdgeMode(int newEdgeMode);
+
 	int Tool(int x, int y, int tool, float strength);
 	int ToolBrush(int x, int y, int tool, Brush * cBrush);
 	void ToolLine(int x1, int y1, int x2, int y2, int tool, Brush * cBrush);