用direct3d编写即时战略游戏源码

////////////////////////////////////////////////////////////// // Application Framework // // Written by: C. Granberg, 2005 // ////////////////////////////////////////////////////////////// #include <windows.h> #include <d3dx9.h> #include "debug.h" #include "intpoint.h" #define KEYDOWN(vk_code) ((GetAsyncKeyState(vk_code) & 0x8000) ? 1 : 0) #define KEYUP(vk_code) ((GetAsyncKeyState(vk_code) & 0x8000) ? 0 : 1) class APPLICATION { public: APPLICATION(); HRESULT Init(HINSTANCE hInstance, int width, int height, bool windowed); HRESULT Update(float deltaTime); HRESULT Render(); HRESULT Cleanup(); HRESULT Quit(); private: IDirect3DDevice9* m_pDevice; ID3DXFont *m_pFont; HWND m_mainWindow; }; int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE prevInstance, PSTR cmdLine, int showCmd) { APPLICATION app; //Create new window and Initiate Direct3D if(FAILED(app.Init(hInstance, 640, 480, true))) return 0; MSG msg; memset(&msg, 0, sizeof(MSG)); int startTime = timeGetTime(); //Start the message loop while(msg.message != WM_QUIT) { if(::PeekMessage(&msg, 0, 0, 0, PM_REMOVE)) { ::TranslateMessage(&msg); ::DispatchMessage(&msg); } else { int t = timeGetTime(); float deltaTime = (t - startTime)*0.001f; //For each frame update and render our app app.Update(deltaTime); app.Render(); startTime = t; } } //Cleanup before exit app.Cleanup(); return msg.wParam; } APPLICATION::APPLICATION() { m_pDevice = NULL; m_mainWindow = 0; m_pFont = NULL; } HRESULT APPLICATION::Init(HINSTANCE hInstance, int width, int height, bool windowed) { debug.Print("Application initiated"); //Create Window Class WNDCLASS wc; memset(&wc, 0, sizeof(WNDCLASS)); wc.style = CS_HREDRAW | CS_VREDRAW; wc.lpfnWndProc = (WNDPROC)::DefWindowProc; wc.hInstance = hInstance; wc.lpszClassName = "D3DWND"; //Register Class and Create new Window RegisterClass(&wc); m_mainWindow = CreateWindow("D3DWND", "Example 3.1: Application Framework", WS_EX_TOPMOST, 0, 0, width, height, 0, 0, hInstance, 0); SetCursor(NULL); ShowWindow(m_mainWindow, SW_SHOW); UpdateWindow(m_mainWindow); //Create IDirect3D9 Interface IDirect3D9* d3d9 = Direct3DCreate9(D3D_SDK_VERSION); if(d3d9 == NULL) { debug.Print("Direct3DCreate9() - FAILED"); return E_FAIL; } //Check that the Device supports what we need from it D3DCAPS9 caps; d3d9->GetDeviceCaps(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, &caps); //Hardware Vertex Processing or not? int vp = 0; if(caps.DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT) vp = D3DCREATE_HARDWARE_VERTEXPROCESSING; else vp = D3DCREATE_SOFTWARE_VERTEXPROCESSING; //Check vertex & pixelshader versions if(caps.VertexShaderVersion < D3DVS_VERSION(2, 0) || caps.PixelShaderVersion < D3DPS_VERSION(2, 0)) { debug.Print("Warning - Your graphic card does not support vertex and pixelshaders version 2.0"); } //Set D3DPRESENT_PARAMETERS D3DPRESENT_PARAMETERS d3dpp; d3dpp.BackBufferWidth = width; d3dpp.BackBufferHeight = height; d3dpp.BackBufferFormat = D3DFMT_A8R8G8B8; d3dpp.BackBufferCount = 1; d3dpp.MultiSampleType = D3DMULTISAMPLE_NONE; d3dpp.MultiSampleQuality = 0; d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD; d3dpp.hDeviceWindow = m_mainWindow; d3dpp.Windowed = windowed; d3dpp.EnableAutoDepthStencil = true; d3dpp.AutoDepthStencilFormat = D3DFMT_D24S8; d3dpp.Flags = 0; d3dpp.FullScreen_RefreshRateInHz = D3DPRESENT_RATE_DEFAULT; d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE; //Create the IDirect3DDevice9 if(FAILED(d3d9->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, m_mainWindow, vp, &d3dpp, &m_pDevice))) { debug.Print("Failed to create IDirect3DDevice9"); return E_FAIL; } //Release IDirect3D9 interface d3d9->Release(); //Load Application Specific resources here... D3DXCreateFont(m_pDevice, 48, 0, FW_BOLD, 1, false, DEFAULT_CHARSET, OUT_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH | FF_DONTCARE, "Arial", &m_pFont); return S_OK; } HRESULT APPLICATION::Update(float deltaTime) { if(KEYDOWN(VK_ESCAPE)) Quit(); return S_OK; } HRESULT APPLICATION::Render() { // Clear the viewport m_pDevice->Clear(0L, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, 0x00000000, 1.0f, 0L); // Begin the scene if(SUCCEEDED(m_pDevice->BeginScene())) { //Render scene here... RECT r = {0, 0, 640, 480}; m_pFont->DrawText(NULL, "Hello World!", -1, &r, DT_CENTER | DT_NOCLIP | DT_VCENTER, 0xffffffff); // End the scene. m_pDevice->EndScene(); m_pDevice->Present(0, 0, 0, 0); } return S_OK; } HRESULT APPLICATION::Cleanup() { try { //Release all resources here... m_pFont->Release(); m_pDevice->Release(); debug.Print("Application terminated"); } catch(...){} return S_OK; } HRESULT APPLICATION::Quit() { ::DestroyWindow(m_mainWindow); ::PostQuitMessage(0); return S_OK; }