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Tham khảo tài liệu 'beginning game programming (phần 4)', công nghệ thông tin, kỹ thuật lập trình phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 130 Chapter 7 Drawing Animated Sprites Figure 7.5 The Anim_Sprite project now includes dxgraphics.h. int Init_Direct3D HWND hwnd int width int height int fullscreen initialize Direct3D d3d Direct3DCreate9 D3D_SDK_VERSION if d3d NULL MessageBox hwnd Error initializing Direct3D Error MB_OK return 0 set Direct3D presentation parameters D3DPRESENT_PARAMETERS d3dpp ZeroMemory d3dpp sizeof d3dpp d3dpp.Windowed fullscreen Drawing Animated Sprites 131 d3dpp.SwapEffect D3DSWAPEFFECT_COPY d3dpp.BackBufferFormat D3DFMT_X8R8G8B8 d3dpp.BackBufferCount 1 d3dpp.BackBufferWidth width d3dpp.BackBufferHeight height d3dpp.hDeviceWindow hwnd d3dpp.EnableAutoDepthStencil TRUE d3dpp.AutoDepthStencilFormat D3DFMT_D16 d3dpp.PresentationInterval D3DPRESENT_INTERVAL_IMMEDIATE create Direct3D device d3d- CreateDevice D3DADAPTER_DEFAULT D3DDEVTYPE_HAL hwnd D3DCREATE_SOFTWARE_VERTEXPROCESSING d3dpp d3ddev if d3ddev NULL MessageBox hwnd Error creating Direct3D device Error MB_OK return 0 clear the backbuffer to black d3ddev- Clear 0 NULL D3DCLEAR_TARGET D3DCOLOR_XRGB 0 0 0 1.0f 0 create pointer to the back buffer d3ddev- GetBackBuffer 0 0 D3DBACKBUFFER_TYPE_MONO backbuffer return 1 LPDIRECT3DSURFACE9 LoadSurface char filename D3DCOLOR transcolor LPDIRECT3DSURFACE9 image NULL D3DXIMAGE_INFO info HRESULT result get width and height from bitmap file result D3DXGetImageInfoFromFile filename info if result D3D_OK return NULL 132 Chapter 7 Drawing Animated Sprites create surface result d3ddev- CreateOffscreenPlainSurface info.Width info.Height D3DFMT_X8R8G8B8 D3DPOOL_DEFAULT image NULL width of the surface height of the surface surface format memory pool to use pointer to the surface reserved always NULL if result D3D_OK return NULL load surface from file into newly created surface result D3DXLoadSurfaceFromFile image NULL NULL filename NULL D3DX_DEFAULT transcolor NULL destination surface destination palette destination rectangle source filename source rectangle controls how image is filtered for .
