loop edge mode from my mod (also works with stickmen)

src/gui/options/OptionsController.cpp

@@ -44,9 +44,9 @@ void OptionsController::SetAirMode(int airMode)
 	model->SetAirMode(airMode);
 }
 
-void OptionsController::SetEdgeMode(int airMode)
+void OptionsController::SetEdgeMode(int edgeMode)
 {
-	model->SetEdgeMode(airMode);
+	model->SetEdgeMode(edgeMode);
 }
 
 void OptionsController::SetFullscreen(bool fullscreen)

src/gui/options/OptionsController.h

@@ -23,7 +23,7 @@ public:
 	void SetWaterEqualisation(bool state);
 	void SetGravityMode(int gravityMode);
 	void SetAirMode(int airMode);
-	void SetEdgeMode(int airMode);
+	void SetEdgeMode(int edgeMode);
 	void SetFullscreen(bool fullscreen);
 	void SetScale(bool scale);
 	void SetFastQuit(bool fastquit);

src/gui/options/OptionsView.cpp

@@ -132,6 +132,7 @@ OptionsView::OptionsView():
 	AddComponent(edgeMode);
 	edgeMode->AddOption(std::pair<std::string, int>("Void", 0));
 	edgeMode->AddOption(std::pair<std::string, int>("Solid", 1));
+	edgeMode->AddOption(std::pair<std::string, int>("Loop", 2));
 	edgeMode->SetActionCallback(new EdgeModeChanged(this));
 
 	tempLabel = new ui::Label(ui::Point(8, 186), ui::Point(Size.X-96, 16), "Edge Mode");

src/simulation/Simulation.cpp

@@ -716,6 +716,7 @@ void Simulation::SetEdgeMode(int newEdgeMode)
 	switch(edgeMode)
 	{
 	case 0:
+	case 2:
 		for(int i = 0; i<(XRES/CELL); i++)
 		{
 			bmap[0][i] = 0;
@@ -2385,6 +2386,30 @@ int Simulation::try_move(int i, int x, int y, int nx, int ny)
 int Simulation::do_move(int i, int x, int y, float nxf, float nyf)
 {
 	int nx = (int)(nxf+0.5f), ny = (int)(nyf+0.5f), result;
+	if (edgeMode == 2)
+	{
+		float diffx = 0.0f, diffy = 0.0f;
+		if (nx < CELL)
+			diffx = XRES-CELL*2;
+		if (nx >= XRES-CELL)
+			diffx = -(XRES-CELL*2);
+		if (ny < CELL)
+			diffy = YRES-CELL*2;
+		if (ny >= YRES-CELL)
+			diffy = -(YRES-CELL*2);
+		if (diffx || diffy)
+		{
+			nxf += diffx;
+			nyf += diffy;
+			nx = (int)(nxf+0.5f);
+			ny = (int)(nyf+0.5f);
+
+			//make sure there isn't something blocking it on the other side
+			//only needed if this if statement is moved after the try_move (like my mod)
+			//if (!eval_move(t, nx, ny, NULL) || (t == PT_PHOT && pmap[ny][nx]))
+			//	return -1;
+		}
+	}
 	if (parts[i].type == PT_NONE)
 		return 0;
 	result = try_move(i, x, y, nx, ny);
@@ -4228,6 +4253,19 @@ killed:
 					fin_yf += dy;
 					fin_x = (int)(fin_xf+0.5f);
 					fin_y = (int)(fin_yf+0.5f);
+					if (edgeMode == 2)
+					{
+						if (fin_x < CELL)
+							fin_xf += XRES-CELL*2;
+						if (fin_x >= XRES-CELL)
+							fin_xf -= XRES-CELL*2;
+						if (fin_y < CELL)
+							fin_yf += YRES-CELL*2;
+						if (fin_y >= YRES-CELL)
+							fin_yf -= YRES-CELL*2;
+						fin_x = (int)(fin_xf+0.5f);
+						fin_y = (int)(fin_yf+0.5f);
+					}
 					if (mv <= 0.0f)
 					{
 						// nothing found
@@ -4260,12 +4298,47 @@ killed:
 
 			if (t==PT_STKM || t==PT_STKM2 || t==PT_FIGH)
 			{
-				int nx, ny;
 				//head movement, let head pass through anything
 				parts[i].x += parts[i].vx;
 				parts[i].y += parts[i].vy;
-				nx = (int)((float)parts[i].x+0.5f);
+				int nx = (int)((float)parts[i].x+0.5f);
-				ny = (int)((float)parts[i].y+0.5f);
+				int ny = (int)((float)parts[i].y+0.5f);
+				if (edgeMode == 2)
+				{
+					int diffx = 0, diffy = 0;
+					if (nx < CELL)
+						diffx = XRES-CELL*2;
+					if (nx >= XRES-CELL)
+						diffx = -(XRES-CELL*2);
+					if (ny < CELL)
+						diffy = YRES-CELL*2;
+					if (ny >= YRES-CELL)
+						diffy = -(YRES-CELL*2);
+					if (diffx || diffy) //when moving from left to right stickmen might be able to fall through solid things, fix with "eval_move(t, nx+diffx, ny+diffy, NULL)" but then they die instead
+					{
+						parts[i].x += diffx;
+						parts[i].y += diffy;
+						nx += diffx;
+						ny += diffy;
+
+						//adjust stickmen legs
+						playerst* stickman = NULL;
+						int t = parts[i].type;
+						if (t == PT_STKM)
+							stickman = &player;
+						else if (t == PT_STKM2)
+							stickman = &player2;
+						else if (t == PT_FIGH && parts[i].tmp >= 0 && parts[i].tmp < 256)
+							stickman = &fighters[parts[i].tmp];
+
+						if (stickman)
+							for (int i = 0; i < 16; i+=2)
+							{
+								stickman->legs[i] += diffx;
+								stickman->legs[i+1] += diffy;
+							}
+					}
+				}
 				if (ny!=y || nx!=x)
 				{
 					if ((pmap[y][x]>>8)==i) pmap[y][x] = 0;