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我這個代碼的問題是,當我在Visual C++中運行它時彈出一個窗口 但它只是崩潰。它沒有響應,我不能點擊退出。我必須拉起 任務管理器才能擺脫窗口。我是新來的Windows編程和直接X. 下面我會發布是我認爲問題是。Directx窗口不斷崩潰
#include <d3d9.h>
#include <time.h>
#define APPTITLE "Direct3D_Windowed"
LRESULT WINAPI WinProc(HWND, UINT, WPARAM, LPARAM);
ATOM MyRegisterClass(HINSTANCE);
int Game_Init(HWND);
void GAME_RUN(HWND);
void GAME_END(HWND);
LPDIRECT3D9 d3d = NULL;
LPDIRECT3DDEVICE9 d3ddev = NULL;
// Over here, after GAME_END() is called, I tried separating the POSTQUITMESSAGE But I
I just got an error.
LRESULT WINAPI WinProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch(msg)
{
case WM_DESTROY:
GAME_END(hWnd);
PostQuitMessage(0);
return 0;
}
return DefWindowProc(hWnd, msg, wParam, lParam);
}
ATOM MyRegisterClass(HINSTANCE hInstance)
{
WNDCLASSEX wc;
wc.cbSize = sizeof(WNDCLASSEX);
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = (WNDPROC)WinProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = NULL;
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
wc.lpszMenuName = NULL;
wc.lpszClassName = APPTITLE;
wc.hIconSm = NULL;
return RegisterClassEx(&wc);
}
// I got this code from a book that I am reading and realized that WinProc is not being
called in this function. Is this the potential problem? Were would I put the WinProc
function call if it is supposed to be here in WinMain
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
MSG msg = {0};
MyRegisterClass(hInstance);
HWND hWnd;
hWnd = CreateWindow(
APPTITLE,
APPTITLE,
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT,
CW_USEDEFAULT,
500,
400,
NULL,
NULL,
hInstance,
NULL);
if(!hWnd)
return FALSE;
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
if(!Game_Init(hWnd))
return 0;
int done = 0;
while(!done)
{
if(msg.message == WM_QUIT)
{
if(PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
{
MessageBox(hWnd, "Recieve WM_QUIT message", "WinMain", MB_OK);
done = 1;
}
TranslateMessage(&msg);
DispatchMessage(&msg);
}
else
GAME_RUN(hWnd);
}
return msg.wParam;
}
int Game_Init(HWND hWnd)
{
MessageBox(hWnd, "Program is about to start", "Game_Init", MB_OK);
d3d = Direct3DCreate9(D3D_SDK_VERSION);
if(d3d == NULL)
{
MessageBox(hWnd, "Error initializing Direct3D", "Error", MB_OK);
return 0;
}
D3DPRESENT_PARAMETERS d3dpp;
ZeroMemory(&d3dpp, sizeof(d3dpp));
d3dpp.Windowed = TRUE;
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3dpp.BackBufferFormat = D3DFMT_UNKNOWN;
d3d->CreateDevice(
D3DADAPTER_DEFAULT,
D3DDEVTYPE_HAL,
hWnd,
D3DCREATE_SOFTWARE_VERTEXPROCESSING,
&d3dpp,
&d3ddev);
if(d3ddev == NULL)
{
MessageBox(hWnd, "Error creating Direct device", "Error", MB_OK);
return 0;
}
srand(time(NULL));
return 1;
}
void GAME_RUN(HWND hWnd)
{
if(d3ddev == NULL)
return;
d3ddev->Clear(0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB(0, 255, 255), 1.0f, 0);
if(d3ddev->BeginScene())
{
d3ddev->EndScene();
}
d3ddev->Present(NULL, NULL, NULL, NULL);
}
void GAME_END(HWND hWnd)
{
MessageBox(hWnd, "Program is about to end", "Game End", MB_OK);
if(d3ddev != NULL)
d3ddev->Release();
if(d3d != NULL)
d3d->Release();
}