115 lines
2.7 KiB
C++
115 lines
2.7 KiB
C++
#include <windows.h>
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#include <d3d9.h>
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LRESULT CALLBACK WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
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LPDIRECT3D9 g_pD3D = NULL;
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LPDIRECT3DDEVICE9 g_pd3dDevice = NULL;
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HRESULT InitDirect3D(HWND hwnd)
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{
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g_pD3D = Direct3DCreate9(D3D_SDK_VERSION);
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if (g_pD3D == NULL)
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return E_FAIL;
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D3DPRESENT_PARAMETERS d3dpp = {};
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d3dpp.Windowed = TRUE;
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d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
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d3dpp.BackBufferFormat = D3DFMT_UNKNOWN;
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HRESULT res = g_pD3D->CreateDevice(D3DADAPTER_DEFAULT,
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D3DDEVTYPE_HAL,
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hwnd,
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D3DCREATE_HARDWARE_VERTEXPROCESSING,
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&d3dpp,
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&g_pd3dDevice);
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if (FAILED(res)) {
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return E_FAIL;
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}
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return S_OK;
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}
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void Cleanup()
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{
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if (g_pd3dDevice != NULL)
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g_pd3dDevice->Release();
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if (g_pD3D != NULL)
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g_pD3D->Release();
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}
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void Render()
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{
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if (g_pd3dDevice == NULL)
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return;
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g_pd3dDevice->Clear(0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB(0, 0, 255), 1.0f, 0);
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if (SUCCEEDED(g_pd3dDevice->BeginScene())) {
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g_pd3dDevice->EndScene();
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}
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g_pd3dDevice->Present(NULL, NULL, NULL, NULL);
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}
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int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PWSTR pCmdLine, int nCmdShow)
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{
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const wchar_t CLASS_NAME[] = L"Sample Window Class";
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WNDCLASS wc = {};
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wc.lpfnWndProc = WindowProc;
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wc.hInstance = hInstance;
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wc.lpszClassName = CLASS_NAME;
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RegisterClass(&wc);
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HWND hwnd = CreateWindowEx(0, // window style
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CLASS_NAME, // window class
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L"Learn to Program Windows",
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WS_OVERLAPPEDWINDOW,
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// size and position
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CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
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NULL, // parent window
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NULL, // menu
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hInstance, // instance handle
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NULL // additional application data
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);
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if (hwnd == NULL) {
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return 0;
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}
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if (!SUCCEEDED(InitDirect3D(hwnd)))
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return 0;
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ShowWindow(hwnd, nCmdShow);
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UpdateWindow(hwnd);
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MSG msg = { };
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while (GetMessage(&msg, NULL, 0, 0) > 0) {
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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}
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return 0;
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}
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LRESULT CALLBACK WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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switch (uMsg) {
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case WM_DESTROY:
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PostQuitMessage(0);
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return 0;
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case WM_PAINT:
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{
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Render();
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ValidateRect(hwnd, NULL);
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}
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return 0;
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}
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return DefWindowProc(hwnd, uMsg, wParam, lParam);
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}
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