Added state changing

Game/Game.vcxproj

@@ -173,6 +173,10 @@
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="src\Game.cpp" />
+    <ClCompile Include="src\MainState.cpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="src\include\MainState.h" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">

Game/Game.vcxproj.filters

@@ -18,5 +18,13 @@
     <ClCompile Include="src\Game.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="src\MainState.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="src\include\MainState.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>

Game/src/Game.cpp

@@ -1,4 +1,5 @@
 #include "NothinFancy.h"
+#include "MainState.h"
 
 using namespace nf;
 
@@ -12,6 +13,11 @@ int main(int argc, char* argv[]) {
 	// app.setWindowCursor(...);
 	//Configure states
 	// app.addDefaultState(...);
+
+	MainState* test = new MainState;
+	app.addState("Main State", test);
+	app.addDefaultState("Main State");
+
 	app.run();
 
 	return 0;

Game/src/MainState.cpp

@@ -0,0 +1,17 @@
+#include "MainState.h"
+
+void MainState::onEnter() {
+	Log("MainState update!");
+}
+
+void MainState::onExit() {
+	Log("MainState update!");
+}
+
+void MainState::update() {
+	Log("MainState update!");
+}
+
+void MainState::render() {
+	Log("MainState render!");
+}

Game/src/include/MainState.h

@@ -0,0 +1,13 @@
+#pragma once
+#include "NothinFancy.h"
+
+class MainState : public nf::IGamestate {
+public:
+	void onEnter() override;
+	void onExit() override;
+
+	void update() override;
+	void render() override;
+private:
+
+};

NothinFancy/src/Application.cpp

@@ -1,5 +1,4 @@
 #include "Application.h"
-#include "Utility.h"
 #ifdef NFENGINE
 #include "GL\glew.h"
 #include "GL\wglew.h"
@@ -28,8 +27,6 @@ namespace nf {
 		createOpenGLContext();
 		m_states.reserve(100);
 		m_activeStates.reserve(100);
-		m_sIntro = new IntroGamestate;
-		addState(m_sIntro);
 	}
 
 	void Application::setWindowIcon(HANDLE hIcon) {
@@ -41,24 +38,39 @@ namespace nf {
 		SetClassLongPtr(m_window, GCLP_HCURSOR, (LONG_PTR)hCursor);
 	}
 
-	void Application::addState(IGamestate* in) {
-		(*in).onEnter();
-		m_states.push_back(in);
+	void Application::addState(const char* stateName, IGamestate* state) {
+		m_states[stateName] = state;
 	}
 
-	void Application::addDefaultState(IGamestate* in) {
+	void Application::addDefaultState(const char* stateName) {
 		if (!m_defaultStateAdded) {
-			(*in).onEnter();
-			m_activeStates.push_back(in);
-			m_defaultStateAdded = true;
+			if (m_states.find(stateName) != m_states.end()) {
+				m_DefaultState = m_states[stateName];
+				m_defaultStateAdded = true;
+			}
+			else {
+				Error(("State \"" + (std::string)stateName + (std::string)"\" doesn't exist!").c_str());
+			}
 		}
 		else {
 			Error("More than one default state defined"); //TODO: Test this
 		}
 	}
 
+	void Application::changeState(const char* stateName) {
+		if (m_states.find(stateName) != m_states.end()) {
+			m_currentState->onExit();
+			m_currentState = m_states[stateName];
+		}
+		else {
+			Error(("State \"" + (std::string)stateName + (std::string)"\" doesn't exist!").c_str());
+		}
+	}
+
 	void Application::run() {
 		showWindow(true);
+		addIntroState();
+		m_currentState = m_sIntro;
 		m_running = true;
 		MSG msg = { };
 		while (m_running) {
@@ -70,13 +82,17 @@ namespace nf {
 					DispatchMessage(&msg);
 					if (msg.message == WM_QUIT)
 						m_running = false;
+						goto FrameEnd;
 				}
 				glClear(GL_COLOR_BUFFER_BIT);
+				m_currentState->update();
+				m_currentState->render();
 				SwapBuffers(m_hdc);
 				m_frames++;
 				m_frameClock = std::chrono::steady_clock::now();
 				//TODO: Update and render current state
 			}
+			FrameEnd:
 			m_fpsClock2 = std::chrono::steady_clock::now();
 			m_fpsDuration = m_fpsClock2 - m_fpsClock1;
 			if (m_fpsDuration.count() >= 1.0) {
@@ -102,6 +118,12 @@ namespace nf {
 		return m_FPS;
 	}
 
+	void Application::addIntroState() {
+		m_sIntro = new IntroGamestate;
+		m_sIntro->onEnter();
+		m_activeStates.push_back(m_sIntro);
+	}
+
 	void Application::registerWindowClass() {
 		if (!FindWindow(L"NFClass", NULL)) {
 			m_wclassName = L"NFClass";
@@ -164,12 +186,12 @@ namespace nf {
 			return MNC_CLOSE << 16;
 		}
 		case WM_CLOSE: {
-			//State onExit() in order
-			//unload anything else
 			DestroyWindow(hWnd);
 			return 0;
 		}
 		case WM_DESTROY: {
+			app->m_currentState->onExit();
+			//Unload anything else
 			PostQuitMessage(0);
 			return 0;
 		}

NothinFancy/src/IntroGamestate.cpp

@@ -2,18 +2,18 @@
 
 namespace nf {
 	void IntroGamestate::onEnter() {
-
+		Log("Intro onEnter!");
 	}
 
 	void IntroGamestate::onExit() {
-
+		Log("Intro onExit!");
 	}
 
 	void IntroGamestate::update() {
-
+		Log("Intro update!");
 	}
 
 	void IntroGamestate::render() {
-
+		Log("Intro render!");
 	}
 }

NothinFancy/src/include/Application.h

@@ -1,8 +1,10 @@
 #pragma once
 #include "Config.h"
+#include "Utility.h"
 #include "IntroGamestate.h"
 #include <Windows.h>
 #include <chrono>
+#include <unordered_map>
 #include <vector>
 
 namespace nf {
@@ -14,8 +16,9 @@ namespace nf {
 
 		void setWindowIcon(HANDLE hIcon);
 		void setWindowCursor(HCURSOR hCursor);
-		void addState(IGamestate* in);
-		void addDefaultState(IGamestate* in);
+		void addState(const char* stateName, IGamestate* state);
+		void addDefaultState(const char* stateName);
+		void changeState(const char* stateName);
 		void run();
 		void showWindow(bool show);
 		const Config& getConfig() const;
@@ -23,6 +26,7 @@ namespace nf {
 
 		~Application();
 	private:
+		void addIntroState();
 		void registerWindowClass();
 		void toggleFullscreen();
 		RECT getWindowRect() const;
@@ -52,10 +56,12 @@ namespace nf {
 		int m_FPS;
 
 		//Inactive states states to potentially be loaded during the Application's lifetime
-		std::vector<IGamestate*> m_states;
+		std::unordered_map<const char*, IGamestate*> m_states;
 		//The currently active and loaded states where the top-most is the current one
 		std::vector<IGamestate*> m_activeStates;
 		IntroGamestate* m_sIntro;
+		IGamestate* m_DefaultState;
 		bool m_defaultStateAdded = false;
+		IGamestate* m_currentState;
 	};
 }

NothinFancy/src/include/IntroGamestate.h

@@ -1,4 +1,5 @@
 #include "IGamestate.h"
+#include "Utility.h"
 
 namespace nf {
 	class IntroGamestate : public IGamestate {

NothinFancy/src/include/NothinFancy.h

@@ -1,5 +1,3 @@
 //Master engine include (Is this even useful?)
 
 #include "Application.h"
-#include "Config.h"
-#include "Utility.h"

NothinFancy/src/include/Utility.h

@@ -10,8 +10,8 @@ namespace nf {
 #define DEBUGINIT std::chrono::steady_clock::time_point Debug::m_initTime = std::chrono::high_resolution_clock::now();
 #define SleepS(x) std::this_thread::sleep_for(std::chrono::seconds(x))
 #define SleepMS(x) std::this_thread::sleep_for(std::chrono::milliseconds(x))
-#define Log(x) Debug::LogImp(x)
-#define Error(x) Debug::ErrorImp(x,__FILENAME__, __LINE__);\
+#define Log(x) nf::Debug::LogImp(x)
+#define Error(x) nf::Debug::ErrorImp(x,__FILENAME__, __LINE__);\
 DebugBreak();
 
 	class Debug {