游戏.2D图片场景下载_Word模板_11

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游戏.2D图片场景游戏.2D图片场景 /************************************************** WinMain.cpp Chapter 2 Billboard Demo Required libraries: D3D9.LIB and D3DX9.LIB **************************************************/ // Include files #include #include #include "d3d9.h" #inclu...

游戏.2D图片场景 /************************************************** WinMain.cpp Chapter 2 Billboard Demo Required libraries: D3D9.LIB and D3DX9.LIB **************************************************/ // Include files #include #include #include "d3d9.h" #include "d3dx9.h" // Window handles, class and caption text HWND g_hWnd; HINSTANCE g_hInst; static char g_szClass[] = "BillboardClass"; static char g_szCaption[] = "Billboard Demo"; // The Direct3D and Device object IDirect3D9 *g_pD3D = NULL; IDirect3DDevice9 *g_pD3DDevice = NULL; // The 3D vertex format and descriptor typedef struct { FLOAT x, y, z; // 3D coordinates FLOAT u, v; // Texture coordinates } s3DVertex; #define FVF3D (D3DFVF_XYZ | D3DFVF_TEX1) // The billboard vertex buffer and texture IDirect3DVertexBuffer9 *g_pBillboardVB = NULL; IDirect3DTexture9 *g_pBillboardTexture = NULL; // The floor vertex buffer and texture IDirect3DVertexBuffer9 *g_pFloorVB = NULL; IDirect3DTexture9 *g_pFloorTexture = NULL; // Function prototypes int PASCAL WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR szCmdLine, int nCmdShow); long FAR PASCAL WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam); BOOL DoInit(); BOOL DoShutdown(); BOOL DoFrame(); BOOL SetupMeshes(); int PASCAL WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR szCmdLine, int nCmdShow) { WNDCLASSEX wcex; MSG Msg; g_hInst = hInst; // Create the window class here and register it wcex.cbSize = sizeof(wcex); wcex.style = CS_CLASSDC; wcex.lpfnWndProc = WindowProc; wcex.cbClsExtra = 0; wcex.cbWndExtra = 0; wcex.hInstance = hInst; wcex.hIcon = LoadIcon(NULL, IDI_APPLICATION); wcex.hCursor = LoadCursor(NULL, IDC_ARROW); wcex.hbrBackground = NULL; wcex.lpszMenuName = NULL; wcex.lpszClassName = g_szClass; wcex.hIconSm = LoadIcon(NULL, IDI_APPLICATION); if(!RegisterClassEx(&wcex)) return FALSE; // Create the Main Window g_hWnd = CreateWindow(g_szClass, g_szCaption, WS_CAPTION | WS_SYSMENU, 0, 0, 400, 400, NULL, NULL, hInst, NULL ); if(!g_hWnd) return FALSE; ShowWindow(g_hWnd, SW_NORMAL); UpdateWindow(g_hWnd); // Run init function and return on error if(DoInit() == FALSE) return FALSE; // Start message pump, waiting for signal to quit ZeroMemory(&Msg, sizeof(MSG)); while(Msg.message != WM_QUIT) { if(PeekMessage(&Msg, NULL, 0, 0, PM_REMOVE)) { TranslateMessage(&Msg); DispatchMessage(&Msg); } if(DoFrame() == FALSE) break; } // Run shutdown function DoShutdown(); UnregisterClass(g_szClass, hInst); return Msg.wParam; } long FAR PASCAL WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { switch(uMsg) { case WM_DESTROY: PostQuitMessage(0); return 0; } return DefWindowProc(hWnd, uMsg, wParam, lParam); } BOOL DoInit() { D3DPRESENT_PARAMETERS d3dpp; D3DDISPLAYMODE d3ddm; D3DXMATRIX matView, matProj; // Do a windowed mode initialization of Direct3D if((g_pD3D = Direct3DCreate9(D3D_SDK_VERSION)) == NULL) return FALSE; if(FAILED(g_pD3D->GetAdapterDisplayMode(D3DADAPTER_DEFAULT, &d3ddm))) return FALSE; ZeroMemory(&d3dpp, sizeof(d3dpp)); d3dpp.Windowed = TRUE; d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD; d3dpp.BackBufferFormat = d3ddm.Format; d3dpp.EnableAutoDepthStencil = TRUE; d3dpp.AutoDepthStencilFormat = D3DFMT_D16; if(FAILED(g_pD3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, g_hWnd, D3DCREATE_SOFTWARE_VERTEXPROCESSING, &d3dpp, &g_pD3DDevice))) return FALSE; // Set the render states g_pD3DDevice->SetRenderState(D3DRS_LIGHTING, FALSE); g_pD3DDevice->SetRenderState(D3DRS_ZENABLE, D3DZB_TRUE); g_pD3DDevice->SetRenderState(D3DRS_ALPHABLENDENABLE, FALSE); g_pD3DDevice->SetRenderState(D3DRS_ALPHAREF, 0x01); g_pD3DDevice->SetRenderState(D3DRS_ALPHAFUNC, D3DCMP_GREATEREQUAL); // Create and set the projection transformation D3DXMatrixPerspectiveFovLH(&matProj, D3DX_PI/4, 1.0f, 1.0f, 1000.0f); g_pD3DDevice->SetTransform(D3DTS_PROJECTION, &matProj); // Create the meshes SetupMeshes(); return TRUE; } BOOL DoShutdown() { // Release textures and vertex buffers if(g_pBillboardTexture != NULL) g_pBillboardTexture->Release(); if(g_pBillboardVB != NULL) g_pBillboardVB->Release(); if(g_pFloorTexture != NULL) g_pFloorTexture->Release(); if(g_pFloorVB != NULL) g_pFloorVB->Release(); // Release device and 3D objects if(g_pD3DDevice != NULL) g_pD3DDevice->Release(); if(g_pD3D != NULL) g_pD3D->Release(); return TRUE; } BOOL DoFrame() { D3DXMATRIX matView, matWorld; float Angle; short i, j; // Clear device backbuffer g_pD3DDevice->Clear(0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, D3DCOLOR_RGBA(0,64,128,255), 1.0f, 0); // Update the view position Angle = (float)timeGetTime() / 2000.0f; D3DXMatrixLookAtLH(&matView, &D3DXVECTOR3((float)cos(Angle) * 200.0f, 200.0f, (float)sin(Angle) * 200.0f), &D3DXVECTOR3(0.0f, 0.0f, 0.0f), &D3DXVECTOR3(0.0f, 1.0f, 0.0f)); g_pD3DDevice->SetTransform(D3DTS_VIEW, &matView); if(SUCCEEDED(g_pD3DDevice->BeginScene())) { // Draw the floor g_pD3DDevice->SetStreamSource(0, g_pFloorVB, 0, sizeof(s3DVertex)); g_pD3DDevice->SetFVF(FVF3D); g_pD3DDevice->SetTexture(0, g_pFloorTexture); D3DXMatrixIdentity(&matWorld); g_pD3DDevice->SetTransform(D3DTS_WORLD, &matWorld); g_pD3DDevice->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2); // Draw the billboards g_pD3DDevice->SetStreamSource(0, g_pBillboardVB, 0, sizeof(s3DVertex)); g_pD3DDevice->SetTexture(0, g_pBillboardTexture); g_pD3DDevice->SetRenderState(D3DRS_ALPHATESTENABLE, TRUE); D3DXMatrixTranspose(&matWorld, &matView); for(i=0;i<3;i++) { for(j=0;j<3;j++) { matWorld._41 = (float)i * 80.0f - 80.0f; matWorld._42 = 0.0f; matWorld._43 = (float)j * 80.0f - 80.0f; g_pD3DDevice->SetTransform(D3DTS_WORLD, &matWorld); g_pD3DDevice->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2); } } g_pD3DDevice->SetRenderState(D3DRS_ALPHATESTENABLE, FALSE); // Clear the texture usage g_pD3DDevice->SetTexture(0, NULL); // End the scene g_pD3DDevice->EndScene(); } // Display the scene g_pD3DDevice->Present(NULL, NULL, NULL, NULL); return TRUE; } BOOL SetupMeshes() { BYTE *Ptr; s3DVertex BillboardVerts[4] = { { -42.0f, 80.0f, 0.0f, 0.0f, 0.0f }, { 40.0f, 80.0f, 0.0f, 1.0f, 0.0f }, { -40.0f, 0.0f, 0.0f, 0.0f, 1.0f }, { 40.0f, 0.0f, 0.0f, 1.0f, 1.0f } }; s3DVertex FloorVerts[4] = { { -100.0f, 0.0f, 100.0f, 0.0f, 0.0f }, { 100.0f, 0.0f, 100.0f, 1.0f, 0.0f }, { -100.0f, 0.0f, -100.0f, 0.0f, 1.0f }, { 100.0f, 0.0f, -100.0f, 1.0f, 1.0f } }; // Create vertex buffers and stuff in data // Billboard if(FAILED(g_pD3DDevice->CreateVertexBuffer( \ sizeof(BillboardVerts), 0, FVF3D, \ D3DPOOL_DEFAULT, &g_pBillboardVB, NULL))) return FALSE; if(FAILED(g_pBillboardVB->Lock(0,0, (void**)&Ptr, 0))) return FALSE; memcpy(Ptr, BillboardVerts, sizeof(BillboardVerts)); g_pBillboardVB->Unlock(); // Floor if(FAILED(g_pD3DDevice->CreateVertexBuffer( \ sizeof(FloorVerts), 0, FVF3D, \ D3DPOOL_DEFAULT, &g_pFloorVB, NULL))) return FALSE; if(FAILED(g_pFloorVB->Lock(0,0, (void**)&Ptr, 0))) return FALSE; memcpy(Ptr, FloorVerts, sizeof(FloorVerts)); g_pFloorVB->Unlock(); // Get textures D3DXCreateTextureFromFile(g_pD3DDevice, "Floor.bmp", &g_pFloorTexture); D3DXCreateTextureFromFileEx(g_pD3DDevice, "Billboard.bmp", D3DX_DEFAULT, D3DX_DEFAULT, D3DX_DEFAULT, 0, D3DFMT_A1R5G5B5, D3DPOOL_MANAGED, D3DX_FILTER_TRIANGLE, D3DX_FILTER_TRIANGLE, D3DCOLOR_RGBA(0,0,0,255), NULL, NULL, &g_pBillboardTexture); return TRUE; }

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