more cleanup so that 3D can stay a more permanent thing

src/PowderToy.h

@@ -1,9 +1,9 @@
 #pragma once
 #include <string>
 
-extern int depth3d;
 void EngineProcess();
 void ClipboardPush(std::string text);
 std::string ClipboardPull();
 int GetModifiers();
 bool LoadWindowPosition(int scale);
+void SetCursorEnabled(int enabled);

src/PowderToyRenderer.cpp

@@ -21,6 +21,7 @@ void EngineProcess() {}
 void ClipboardPush(std::string) {}
 std::string ClipboardPull() { return ""; }
 int GetModifiers() { return 0; }
+void SetCursorEnabled(int enabled) {}
 
 void readFile(std::string filename, std::vector<char> & storage)
 {

src/PowderToySDL.cpp

@@ -1,5 +1,3 @@
-int depth3d = 0;
-
 #ifdef USE_SDL
 
 #include <map>
@@ -49,7 +47,6 @@ extern "C" {
 
 #include "gui/dialogues/ErrorMessage.h"
 #include "gui/dialogues/ConfirmPrompt.h"
-#include "gui/dialogues/InformationMessage.h"
 #include "gui/interface/Keys.h"
 #include "gui/Style.h"
 
@@ -202,7 +199,7 @@ void DrawPixel(pixel * vid, pixel color, int x, int y)
 	if (x >= 0 && x < WINDOWW && y >= 0 && y < WINDOWH)
 		vid[x+y*WINDOWW] = color;
 }
-
+// draws a custom cursor, used to make 3D mode work properly (normal cursor ruins the effect)
 void DrawCursor(pixel * vid)
 {
 	for (int j = 0; j <= 9; j++)
@@ -263,8 +260,9 @@ void DrawCursor(pixel * vid)
 }
 void blit(pixel * vid)
 {
-	if(sdl_scrn)
+	if (sdl_scrn)
 	{
+		int depth3d = ui::Engine::Ref().Get3dDepth();
 		if (depth3d)
 			DrawCursor(vid);
 		pixel * src = vid;
@@ -346,8 +344,9 @@ void blit(pixel * vid)
 }
 void blit2(pixel * vid, int currentScale)
 {
-	if(sdl_scrn)
+	if (sdl_scrn)
 	{
+		int depth3d = ui::Engine::Ref().Get3dDepth();
 		if (depth3d)
 			DrawCursor(vid);
 		pixel * src = vid;
@@ -499,6 +498,11 @@ SDL_Surface * SDLSetScreen(int newScale, bool newFullscreen)
 	return surface;
 }
 
+void SetCursorEnabled(int enabled)
+{
+	SDL_ShowCursor(enabled);
+}
+
 std::map<std::string, std::string> readArguments(int argc, char * argv[])
 {
 	std::map<std::string, std::string> arguments;
@@ -738,24 +742,6 @@ void DoubleScreenDialog()
 	}
 }
 
-void ThreeDeeDialog()
-{
-	std::stringstream message;
-	message << "We hear your requests, everyone has been asking for a 3D version of TPT. It has long been rejected as 'impossible', but that just isn't true. Many hours of work have been put into finally making a full 3D TPT a reality. ";
-	message << "\nUpon hitting 'Confirm', 3D mode will enable.";
-	if (ConfirmPrompt::Blocking("Enable 3D Mode", message.str()))
-	{
-		depth3d = -3;
-		SDL_ShowCursor(0);
-		new InformationMessage("Success!", "3D Mode enabled!\nYou may disable this at any time in simulation settings for compatibility with 2D saves. I hope you brought your glasses!", false);
-	}
-	else
-	{
-		ErrorMessage::Blocking("Not using 3D Mode", "You make TPT sad");
-	}
-}
-
-bool show3dDialog = true;
 void EngineProcess()
 {
 	double frameTimeAvg = 0.0f, correctedFrameTimeAvg = 0.0f;
@@ -813,11 +799,6 @@ void EngineProcess()
 			showDoubleScreenDialog = false;
 			DoubleScreenDialog();
 		}
-		if (show3dDialog)
-		{
-			show3dDialog = false;
-			ThreeDeeDialog();
-		}
 	}
 #ifdef DEBUG
 	std::cout << "Breaking out of EngineProcess" << std::endl;

src/gui/interface/Engine.cpp

@@ -16,6 +16,7 @@ Engine::Engine():
 	FpsLimit(60.0f),
 	Scale(1),
 	Fullscreen(false),
+	Depth3d(0),
 	FrameIndex(0),
 	lastBuffer(NULL),
 	prevBuffers(stack<pixel*>()),

src/gui/interface/Engine.h

@@ -4,6 +4,7 @@
 #include "common/Singleton.h"
 #include "graphics/Graphics.h"
 #include "Window.h"
+#include "PowderToy.h"
 
 namespace ui
 {
@@ -45,6 +46,8 @@ namespace ui
 		inline bool GetFullscreen() { return Fullscreen; }
 		void SetScale(int scale) { Scale = scale; }
 		inline int GetScale() { return Scale; }
+		void Set3dDepth(int depth3d) { Depth3d = depth3d; if (Depth3d) SetCursorEnabled(0); else SetCursorEnabled(1);}
+		inline int Get3dDepth() { return Depth3d; }
 		void SetFastQuit(bool fastquit) { FastQuit = fastquit; }
 		inline bool GetFastQuit() {return FastQuit; }
 
@@ -74,6 +77,7 @@ namespace ui
 		Graphics * g;
 		int Scale;
 		bool Fullscreen;
+		int Depth3d;
 
 		unsigned int FrameIndex;
 	private:

src/gui/options/OptionsController.cpp

@@ -4,15 +4,14 @@
 OptionsController::OptionsController(GameModel * gModel_, ControllerCallback * callback_):
 	gModel(gModel_),
 	callback(callback_),
-	temp_3ddepth(depth3d),
 	HasExited(false)
 {
+	this->depth3d = ui::Engine::Ref().Get3dDepth();
 	view = new OptionsView();
 	model = new OptionsModel(gModel);
 	model->AddObserver(view);
 
 	view->AttachController(this);
-
 }
 
 void OptionsController::SetHeatSimulation(bool state)
@@ -84,7 +83,7 @@ void OptionsController::SetFastQuit(bool fastquit)
 
 void OptionsController::Set3dDepth(int depth)
 {
-	temp_3ddepth = depth;
+	depth3d = depth;
 }
 
 OptionsView * OptionsController::GetView()
@@ -92,26 +91,14 @@ OptionsView * OptionsController::GetView()
 	return view;
 }
 
-#ifdef USE_SDL
-#ifdef SDL_INC
-#include "SDL/SDL.h"
-#else
-#include "SDL.h"
-#endif
-#endif
 void OptionsController::Exit()
 {
 	if (ui::Engine::Ref().GetWindow() == view)
 	{
 		ui::Engine::Ref().CloseWindow();
 	}
-	depth3d = temp_3ddepth;
-#ifdef USE_SDL
-	if (depth3d)
-		SDL_ShowCursor(0);
-	else
-		SDL_ShowCursor(1);
-#endif
+	// only update on close, it would be hard to edit if the changes were live
+	ui::Engine::Ref().Set3dDepth(depth3d);
 	if (callback)
 		callback->ControllerExit();
 	HasExited = true;

src/gui/options/OptionsController.h

@@ -14,7 +14,7 @@ class OptionsController {
 	OptionsView * view;
 	OptionsModel * model;
 	ControllerCallback * callback;
-	int temp_3ddepth;
+	int depth3d;
 public:
 	bool HasExited;
 	OptionsController(GameModel * gModel_, ControllerCallback * callback_);

src/gui/options/OptionsView.cpp

@@ -225,12 +225,12 @@ OptionsView::OptionsView():
 		DepthAction(OptionsView * v_) { v = v_; }
 		virtual void TextChangedCallback(ui::Textbox * sender) { v->c->Set3dDepth(format::StringToNumber<int>(sender->GetText())); }
 	};
-	depthTextbox = new ui::Textbox(ui::Point(8, Size.Y-58), ui::Point(25, 16), format::NumberToString<int>(depth3d));
+	depthTextbox = new ui::Textbox(ui::Point(8, Size.Y-58), ui::Point(25, 16), format::NumberToString<int>(ui::Engine::Ref().Get3dDepth()));
 	depthTextbox->SetInputType(ui::Textbox::Numeric);
 	depthTextbox->SetActionCallback(new DepthAction(this));
 	AddComponent(depthTextbox);
 
-	tempLabel = new ui::Label(ui::Point(depthTextbox->Position.X+depthTextbox->Size.X+3, depthTextbox->Position.Y), ui::Point(Size.X-28, 16), "\bg- Change the depth of the 3d effect");
+	tempLabel = new ui::Label(ui::Point(depthTextbox->Position.X+depthTextbox->Size.X+3, depthTextbox->Position.Y), ui::Point(Size.X-28, 16), "\bg- Change the depth of the 3d glasses effect");
 	tempLabel->Appearance.HorizontalAlign = ui::Appearance::AlignLeft;	tempLabel->Appearance.VerticalAlign = ui::Appearance::AlignMiddle;
 	AddComponent(tempLabel);
 

src/lua/LuaScriptInterface.cpp

@@ -2206,10 +2206,13 @@ int LuaScriptInterface::renderer_depth3d(lua_State * l)
 	int acount = lua_gettop(l);
 	if (acount == 0)
 	{
-		lua_pushnumber(l, depth3d);
+		lua_pushnumber(l, ui::Engine::Ref().Get3dDepth());
 		return 1;
 	}
-	depth3d = luaL_optint(l, 1, 2);
+	int depth3d = luaL_optint(l, 1, -3);
+	if (depth3d < -30 || depth3d > 30)
+		return luaL_error(l, "3D depth is too large");
+	ui::Engine::Ref().Set3dDepth(depth3d);
 	return 0;
 }