Maximize screen

pas finie, par fois ça crash au démarrage

enginecustom/Systemclass.cpp

@@ -27,24 +27,35 @@ bool SystemClass::Initialize()
 	// Initialize the width and height of the screen to zero before sending the variables into the function.
 	screenWidth = 0;
 	screenHeight = 0;
-
-	// Create and initialize the application class object.  This object will handle rendering all the graphics for this application.
-	m_Application = new ApplicationClass;
+	
+	m_initialWindowWidth = 0;
+	m_initialWindowHeight = 0;
+	m_isDirect3DInitialized = false;
 
 	// Initialize the windows api.
 	InitializeWindows(screenWidth, screenHeight);
 
 	// Create and initialize the input object.  This object will be used to handle reading the keyboard input from the user.
 	m_Input = new InputClass;
-
 	m_Input->Initialize();
 
+	// Create and initialize the application class object.  This object will handle rendering all the graphics for this application.
+	m_Application = new ApplicationClass;
+
 	result = m_Application->Initialize(screenWidth, screenHeight, m_hwnd);
 	if (!result)
 	{
 		return false;
 	}
 
+	m_isDirect3DInitialized = true;
+
+	// If we received a WM_SIZE message before Direct3D was initialized, resize the swap chain now
+	if (m_initialWindowWidth > 0 && m_initialWindowHeight > 0)
+	{
+		m_Application->GetDirect3D()->ResizeSwapChain(m_initialWindowWidth, m_initialWindowHeight);
+	}
+
 	// Initialize imgui
 	m_imguiManager = new imguiManager;
 	m_imguiManager->Initialize(m_hwnd, m_Application->GetDirect3D()->GetDevice(), m_Application->GetDirect3D()->GetDeviceContext());
@@ -188,6 +199,22 @@ LRESULT CALLBACK SystemClass::MessageHandler(HWND hwnd, UINT umsg, WPARAM wparam
 		m_Input->KeyUp((unsigned int)wparam);
 		return 0;
 	}
+	case WM_SIZE:
+	{
+		int newWidth = LOWORD(lparam);
+		int newHeight = HIWORD(lparam);
+
+		// If Direct3D is initialized, update the swap chain. Otherwise, store the window dimensions
+		if (m_isDirect3DInitialized && m_Application && m_Application->GetDirect3D())
+		{
+			m_Application->GetDirect3D()->ResizeSwapChain(newWidth, newHeight);
+		}
+		else
+		{
+			m_initialWindowWidth = newWidth;
+			m_initialWindowHeight = newHeight;
+		}
+	}
 
 	// Any other messages send to the default message handler as our application won't make use of them.
 	default:
@@ -264,7 +291,7 @@ void SystemClass::InitializeWindows(int& screenWidth, int& screenHeight)
 
 	// Create the window with the screen settings and get the handle to it.
 	m_hwnd = CreateWindowEx(WS_EX_APPWINDOW, m_applicationName, m_applicationName,
-		WS_CLIPSIBLINGS | WS_CLIPCHILDREN ,
+		WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_SYSMENU | WS_MINIMIZEBOX | WS_MAXIMIZEBOX,
 		posX, posY, screenWidth, screenHeight, NULL, NULL, m_hinstance, NULL);
 
 	// Bring the window up on the screen and set it as main focus.

enginecustom/applicationclass.cpp

@@ -26,7 +26,6 @@ bool ApplicationClass::Initialize(int screenWidth, int screenHeight, HWND hwnd)
 	char textureFilename[128];
 	bool result;
 
-
 	// Create the Direct3D object.
 	m_Direct3D = new D3DClass;
 	if (!m_Direct3D)

enginecustom/d3dclass.cpp

@@ -593,4 +593,60 @@ bool D3DClass::RecreateResources()
 IDXGISwapChain* D3DClass::GetSwapChain()
 {
 	return m_swapChain;
+}
+
+void D3DClass::ResizeSwapChain(int newWidth, int newHeight)
+{
+	HRESULT result;
+
+	// Release existing DirectX resources
+	m_renderTargetView->Release();
+	m_depthStencilBuffer->Release();
+
+	// Resize the swap chain
+	m_swapChain->ResizeBuffers(0, newWidth, newHeight, DXGI_FORMAT_UNKNOWN, 0);
+	if (FAILED(m_swapChain))
+	{
+		MessageBox(NULL, L"Failed to resize swap chain buffers", L"Error", MB_OK);
+		return;
+	}
+
+	// Recreate the render target view
+	ID3D11Texture2D* backBuffer;
+	m_swapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (LPVOID*)&backBuffer);
+	m_device->CreateRenderTargetView(backBuffer, NULL, &m_renderTargetView);
+	backBuffer->Release();
+
+	// Recreate the depth/stencil buffer and view
+	D3D11_TEXTURE2D_DESC depthBufferDesc;
+	ZeroMemory(&depthBufferDesc, sizeof(depthBufferDesc));
+	depthBufferDesc.Width = newWidth;
+	depthBufferDesc.Height = newHeight;
+	depthBufferDesc.MipLevels = 1;
+	depthBufferDesc.ArraySize = 1;
+	depthBufferDesc.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
+	depthBufferDesc.SampleDesc.Count = 1;
+	depthBufferDesc.SampleDesc.Quality = 0;
+	depthBufferDesc.Usage = D3D11_USAGE_DEFAULT;
+	depthBufferDesc.BindFlags = D3D11_BIND_DEPTH_STENCIL;
+	depthBufferDesc.CPUAccessFlags = 0;
+	depthBufferDesc.MiscFlags = 0;
+
+	D3D11_DEPTH_STENCIL_VIEW_DESC depthStencilViewDesc;
+	ZeroMemory(&depthStencilViewDesc, sizeof(depthStencilViewDesc));
+	depthStencilViewDesc.Format = depthBufferDesc.Format;
+	depthStencilViewDesc.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D;
+	depthStencilViewDesc.Texture2D.MipSlice = 0;
+
+
+	// Other depthStencilDesc settings...
+	m_device->CreateTexture2D(&depthBufferDesc, NULL, &m_depthStencilBuffer);
+	m_device->CreateDepthStencilView(m_depthStencilBuffer, &depthStencilViewDesc, &m_depthStencilView);
+
+	// Set the new render target and depth/stencil views for rendering
+	m_deviceContext->OMSetRenderTargets(1, &m_renderTargetView, m_depthStencilView);
+	// Update the viewport
+	m_viewport.Width = static_cast<float>(newWidth);
+	m_viewport.Height = static_cast<float>(newHeight);
+	m_deviceContext->RSSetViewports(1, &m_viewport);
 }

enginecustom/d3dclass.h

@@ -42,6 +42,7 @@ public:
 	ID3D11DeviceContext* GetDeviceContext();
 	IDXGISwapChain* m_swapChain;
 	IDXGISwapChain* GetSwapChain();
+	void ResizeSwapChain(int, int);
 
 	void GetProjectionMatrix(XMMATRIX&);
 	void GetWorldMatrix(XMMATRIX&);

enginecustom/imgui.ini

@@ -3,6 +3,6 @@ Pos=60,60
 Size=400,400
 
 [Window][Khaotic Engine]
-Pos=31,27
+Pos=21,21
 Size=694,367
 

enginecustom/imguiManager.cpp

@@ -60,4 +60,9 @@ void imguiManager::WidgetButton()
 void imguiManager::WidgetFPS()
 {
 	ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io->Framerate, io->Framerate);
+}
+
+void imguiManager::WidgetFullscreen(bool* fullscreen)
+{
+	ImGui::Checkbox("Fullscreen", fullscreen);
 }

enginecustom/imguiManager.h

@@ -22,6 +22,7 @@ public:
 	void WidgetSpeedSlider(float* speed);
 	void WidgetButton();
 	void WidgetFPS();
+	void WidgetFullscreen(bool* fullscreen);
 
 private:
 	ImGuiIO* io;

enginecustom/systemclass.h

@@ -32,6 +32,10 @@ private:
 	InputClass* m_Input;
 	ApplicationClass* m_Application;
 	imguiManager* m_imguiManager;
+
+	int m_initialWindowWidth;
+	int m_initialWindowHeight;
+	bool m_isDirect3DInitialized;
 };