2d rendering

enginecustom/applicationclass.cpp

@@ -7,6 +7,8 @@ ApplicationClass::ApplicationClass()
 	m_Model = 0;
 	m_LightShader = 0;
 	m_Light = 0;
+	m_TextureShader = 0;
+	m_Bitmap = 0;
 }
 
 
@@ -25,6 +27,7 @@ bool ApplicationClass::Initialize(int screenWidth, int screenHeight, HWND hwnd)
 	char modelFilename[128];
 	char outputModelFilename[128];
 	char textureFilename[128];
+	char bitmapFilename[128];
 	bool result;
 
 
@@ -54,6 +57,28 @@ bool ApplicationClass::Initialize(int screenWidth, int screenHeight, HWND hwnd)
 	m_Camera->SetPosition(0.0f, 0.0f, -10.0f);
 	m_Camera->SetRotation(0.0f, 0.0f, 0.0f);
 
+	// Create and initialize the texture shader object.
+	m_TextureShader = new TextureShaderClass;
+
+	result = m_TextureShader->Initialize(m_Direct3D->GetDevice(), hwnd);
+	if (!result)
+	{
+		MessageBox(hwnd, L"Could not initialize the texture shader object.", L"Error", MB_OK);
+		return false;
+	}
+
+	// Set the file name of the bitmap file.
+	strcpy_s(bitmapFilename, "stone01.tga");
+
+	// Create and initialize the bitmap object.
+	m_Bitmap = new BitmapClass;
+
+	result = m_Bitmap->Initialize(m_Direct3D->GetDevice(), m_Direct3D->GetDeviceContext(), screenWidth, screenHeight, bitmapFilename, 50, 50);
+	if (!result)
+	{
+		return false;
+	}
+
 	// Set the file name of the model.
 	strcpy_s(modelFilename, "sphere.obj");
 
@@ -124,6 +149,22 @@ void ApplicationClass::Shutdown()
 		m_Model = 0;
 	}
 
+	// Release the bitmap object.
+	if (m_Bitmap)
+	{
+		m_Bitmap->Shutdown();
+		delete m_Bitmap;
+		m_Bitmap = 0;
+	}
+
+	// Release the texture shader object.
+	if (m_TextureShader)
+	{
+		m_TextureShader->Shutdown();
+		delete m_TextureShader;
+		m_TextureShader = 0;
+	}
+
 	// Release the camera object.
 	if (m_Camera)
 	{
@@ -180,7 +221,7 @@ bool ApplicationClass::Frame()
 
 bool ApplicationClass::Render(float rotation, float x, float y, float z)
 {
-	XMMATRIX worldMatrix, viewMatrix, projectionMatrix, rotateMatrix, translateMatrix, scaleMatrix, srMatrix;
+	XMMATRIX worldMatrix, viewMatrix, orthoMatrix, projectionMatrix, rotateMatrix, translateMatrix, scaleMatrix, srMatrix;
 	bool result;
 
 
@@ -194,6 +235,26 @@ bool ApplicationClass::Render(float rotation, float x, float y, float z)
 	m_Direct3D->GetWorldMatrix(worldMatrix);
 	m_Camera->GetViewMatrix(viewMatrix);
 	m_Direct3D->GetProjectionMatrix(projectionMatrix);
+	m_Direct3D->GetOrthoMatrix(orthoMatrix);
+
+	// Turn off the Z buffer to begin all 2D rendering.
+	m_Direct3D->TurnZBufferOff();
+
+	// Put the bitmap vertex and index buffers on the graphics pipeline to prepare them for drawing.
+	result = m_Bitmap->Render(m_Direct3D->GetDeviceContext());
+	if (!result)
+	{
+		return false;
+	}
+
+	m_Bitmap->SetRenderLocation(300, 50);
+
+	// Render the bitmap with the texture shader.
+	result = m_TextureShader->Render(m_Direct3D->GetDeviceContext(), m_Bitmap->GetIndexCount(), worldMatrix, viewMatrix, orthoMatrix, m_Bitmap->GetTexture());
+	if (!result)
+	{
+		return false;
+	}
 
 	scaleMatrix = XMMatrixScaling(0.5f, 0.5f, 0.5f);  // Build the scaling matrix.
 	rotateMatrix = XMMatrixRotationY(rotation);  // Build the rotation matrix.
@@ -233,6 +294,9 @@ bool ApplicationClass::Render(float rotation, float x, float y, float z)
 		return false;
 	}
 
+	// Turn the Z buffer back on now that all 2D rendering has completed.
+	m_Direct3D->TurnZBufferOn();
+
 	// Present the rendered scene to the screen.
 	m_Direct3D->EndScene();