DirectX9完全面向对象框架
作者：互联网
1 #pragma once
2 #define UNICODE
3 //Direct3D lib
4 #include<d3d9.h>
5 #include<d3dx9.h>
6 #pragma comment(lib, "d3d9.lib")
7 #pragma comment(lib, "d3dx9.lib")
8
9 //Default lib
10 #include<wchar.h>
11 #include<tchar.h>
12 #include<assert.h>
13 #pragma comment(lib, "winmm.lib")
14
15 namespace Clear
16 {
17 template<typename T>
18 void SafeRelease(T t)
19 {
20 if (t)
21 {
22 t->Release();
23 t = nullptr;
24 }
25 }
26 template<typename T>
27 void SafeDelete(T t)
28 {
29 if (t)
30 {
31 delete t;
32 t = nullptr;
33 }
34 }
35 }
36 class DXApp
37 {
38 public:
39
40 DXApp(HINSTANCE hInstance = nullptr);
41 virtual ~DXApp();
42
43 bool InitDXApp(const WCHAR* title, UINT width, UINT height, bool fullscreen);
44
45 bool InitWindow(const WCHAR* title, UINT width, UINT height, bool fullscreen);
46 bool InitDirect3D_9();
47
48 virtual LRESULT MsgProc(HWND hWnd, UINT Message, WPARAM wParam, LPARAM lParam);
49 virtual int Run();
50 void RenderShell();
51 virtual void Render() = 0;
52 virtual void Update() = 0;
53 virtual void OnLostDevice() = 0;
54 virtual void OnResetDevice() = 0;
55
56 protected:
57
58 HINSTANCE m_AppInstance;
59 HWND m_hWindowedHWND;
60 WCHAR m_strAppTitle[128];
61 UINT m_windowWidth;
62 UINT m_windowHeight;
63
64 bool m_bFullScreen;
65 bool m_bLostDevice;
66
67 //Direct3D_9 properties
68 IDirect3D9* m_pD3D;
69 D3DPRESENT_PARAMETERS m_PresentParamenters;
70 IDirect3DDevice9* m_pD3Ddevice;
71
72 };
DXApp.cpp
1 #include "DXApp.h"
2
3
4 //Store DXApp global pointer
5 namespace Global
6 {
7 DXApp* g_pDxapp = nullptr;
8 }
9 LRESULT CALLBACK MainProc(HWND hWnd, UINT Message, WPARAM wParam, LPARAM lParam)
10 {
11 if (Global::g_pDxapp)
12 {
13 return Global::g_pDxapp->MsgProc(hWnd, Message, wParam, lParam);
14 }
15 else
16 {
17 return DefWindowProc(hWnd, Message, wParam, lParam);
18 }
19 }
20
21 DXApp::DXApp(HINSTANCE hInstance)
22 {
23 m_AppInstance = hInstance;
24 m_hWindowedHWND = nullptr;
25 Global::g_pDxapp = this;
26
27 }
28
29 DXApp::~DXApp()
30 {
31 Clear::SafeRelease(m_pD3D);
32 Clear::SafeRelease(m_pD3Ddevice);
33 }
34
35 bool DXApp::InitDXApp(const WCHAR* title, UINT width, UINT height, bool fullscreen)
36 {
37 if(!InitWindow(title, width, height, fullscreen))
38 return false;
39 if (!InitDirect3D_9())
40 return false;
41
42 return true;
43 }
44
45 bool DXApp::InitWindow(const WCHAR* title, UINT width, UINT height, bool fullscreen)
46 {
47 // Initialize window's properties
48 wsprintfW(m_strAppTitle, title);
49 m_windowWidth = width;
50 m_windowHeight = height;
51 m_bFullScreen = fullscreen;
52 m_bLostDevice = false;
53
54 const WCHAR* CLASSNAME = L"DEMOCLASS";
55 WNDCLASSEX wcex;
56 ZeroMemory(&wcex, sizeof(wcex));
57 wcex.style = CS_VREDRAW | CS_HREDRAW;
58 wcex.cbClsExtra = 0;
59 wcex.cbSize = sizeof(wcex);
60 wcex.cbWndExtra = 0;
61 wcex.hbrBackground = nullptr;
62 wcex.hCursor = LoadCursor(m_AppInstance, IDC_ARROW);
63 wcex.hIcon = LoadIcon(m_AppInstance, IDI_APPLICATION);
64 wcex.hIconSm = LoadIcon(m_AppInstance, IDI_APPLICATION);
65 wcex.hInstance = m_AppInstance;
66 wcex.lpfnWndProc = MainProc;
67 wcex.lpszClassName = CLASSNAME;
68 wcex.lpszMenuName = nullptr;
69 if (!RegisterClassEx(&wcex))
70 {
71 OutputDebugString(L"DXApp::InitWindow: RegisterClassEx()failed!");
72 return false;
73 }
74
75 // adjust window size
76 RECT adjR;
77 SetRect(&adjR, 0, 0, m_windowWidth, m_windowHeight);
78 AdjustWindowRect(&adjR, WS_OVERLAPPEDWINDOW, false);
79 UINT w = adjR.right - adjR.left;
80 UINT h = adjR.bottom - adjR.top;
81 UINT x = GetSystemMetrics(SM_CXSCREEN) / 2 - w / 2;
82 UINT y = GetSystemMetrics(SM_CYSCREEN) / 2 - h / 2;
83 m_hWindowedHWND = CreateWindow(CLASSNAME, m_strAppTitle, WS_OVERLAPPEDWINDOW, x, y, w, h, nullptr, nullptr, m_AppInstance, nullptr);
84 if (!m_hWindowedHWND)
85 {
86 OutputDebugString(L"DXApp::InitWindow: CreateWindow()failed!");
87 return false;
88 }
89
90 ShowWindow(m_hWindowedHWND, SW_SHOWDEFAULT);
91
92 return true;
93 }
94
95 bool DXApp::InitDirect3D_9()
96 {
97 m_pD3D = Direct3DCreate9(D3D_SDK_VERSION);
98
99 D3DCAPS9 d3dcaps;
100 int vertex_proc = 0;
101 m_pD3D->GetDeviceCaps(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, &d3dcaps);
102 if (d3dcaps.DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT)
103 {
104 vertex_proc = D3DCREATE_HARDWARE_VERTEXPROCESSING;
105 }
106 else
107 {
108 vertex_proc = D3DCREATE_SOFTWARE_VERTEXPROCESSING;
109 }
110
111 ZeroMemory(&m_PresentParamenters, sizeof(m_PresentParamenters));
112 m_PresentParamenters.BackBufferCount = 0;
113 m_PresentParamenters.BackBufferWidth = m_windowWidth;
114 m_PresentParamenters.BackBufferHeight = m_windowHeight;
115 m_PresentParamenters.BackBufferFormat = D3DFMT_A8R8G8B8;
116 m_PresentParamenters.EnableAutoDepthStencil = true;
117 m_PresentParamenters.AutoDepthStencilFormat = D3DFMT_D24S8;
118 m_PresentParamenters.hDeviceWindow = m_hWindowedHWND;
119 m_PresentParamenters.Flags = 0;
120 m_PresentParamenters.SwapEffect = D3DSWAPEFFECT_DISCARD;
121 m_PresentParamenters.FullScreen_RefreshRateInHz = D3DPRESENT_RATE_DEFAULT;
122 m_PresentParamenters.MultiSampleQuality = 0;
123 m_PresentParamenters.MultiSampleType = D3DMULTISAMPLE_NONE;
124 m_PresentParamenters.Windowed = true;
125 m_PresentParamenters.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
126
127 // create device
128 if (FAILED(m_pD3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, m_hWindowedHWND, vertex_proc, &m_PresentParamenters, &m_pD3Ddevice)))
129 {
130 OutputDebugString(L"DXApp::InitDirect3D_9: CreateDevice()failed!");
131 return false;
132 }
133
134
135 return true;
136 }
137
138 LRESULT DXApp::MsgProc(HWND hWnd, UINT Message, WPARAM wParam, LPARAM lParam)
139 {
140 switch (Message)
141 {
142 case WM_KEYDOWN:
143 if (wParam == VK_ESCAPE)
144 DestroyWindow(hWnd);
145 return 0;
146 case WM_DESTROY:
147 PostQuitMessage(0);
148 return 0;
149 }
150
151 return DefWindowProc(hWnd, Message, wParam, lParam);
152 }
153
154 int DXApp::Run()
155 {
156 MSG msg;
157 ZeroMemory(&msg, sizeof(msg));
158 while (msg.message != WM_QUIT)
159 {
160 if (PeekMessage(&msg, nullptr, 0, 0, PM_REMOVE))
161 {
162 TranslateMessage(&msg);
163 DispatchMessage(&msg);
164 }
165 else
166 {
167 RenderShell();
168 }
169 }
170
171 return (int)msg.wParam;
172 }
173
174 void DXApp::RenderShell()
175 {
176 if (m_bLostDevice)
177 {
178 HRESULT hr = m_pD3Ddevice->TestCooperativeLevel();
179 if (hr == D3DERR_DEVICELOST)
180 {
181 OnLostDevice();
182 return;
183 }
184 if (hr == D3DERR_DEVICENOTRESET)
185 {
186 m_pD3Ddevice->Reset(&m_PresentParamenters);
187 OnResetDevice();
188 return;
189 }
190
191 m_bLostDevice = false;
192 }
193 m_pD3Ddevice->Clear(0, nullptr, D3DCLEAR_TARGET | D3DCLEAR_STENCIL | D3DCLEAR_ZBUFFER, D3DCOLOR_XRGB(0, 40, 100), 1.f, 0L);
194 m_pD3Ddevice->BeginScene();
195 Update();
196 Render();
197 m_pD3Ddevice->EndScene();
198 HRESULT hr = m_pD3Ddevice->Present(0, 0, 0, 0);
199 if (hr == D3DERR_DEVICELOST)
200 m_bLostDevice = true;
201 }
标签：DXApp,return,框架,nullptr,面向对象,UINT,wcex,DirectX9,PresentParamenters 来源： https://www.cnblogs.com/PixelSurface/p/11703475.html