HRESULT InitObject(void)
{
srand(unsigned(time(NULL)));
if (FAILED(D3DXCreateFont(g_pDevice, 30, 0, 0, 1, FALSE, DEFAULT_CHARSET, OUT_DEFAULT_PRECIS, DEFAULT_QUALITY, 0, TEXT("宋体"), &g_pFont)))
{
return E_FAIL;
}
if (FAILED(g_pDevice->CreateVertexBuffer(8 * sizeof(CUSTOMVERTEX)
, 0
, D3DFVF_CUSTOMVERTEX
, D3DPOOL_DEFAULT
, &g_pVertexBuffer
, NULL)))
{
return E_FAIL;
}
if (FAILED(g_pDevice->CreateIndexBuffer(36 * sizeof(WORD)
, 0
, D3DFMT_INDEX16
, D3DPOOL_DEFAULT
, &g_pIndexBuffer
, NULL)))
{
return E_FAIL;
}
ChangeObject();
return S_OK;
}
PLbool VboManager::ChangeSprite2D(VboObject* object, PLfloat left, PLfloat top, PLfloat right, PLfloat bottom)
{
TVertex2f data[6] = { TVertex2f(left, top),
TVertex2f(right, top),
TVertex2f(left, bottom),
TVertex2f(right, bottom),
TVertex2f(left, bottom),
TVertex2f(right, top) };
return ChangeObject(object, data, sizeof(data));
}
PLbool VboManager::ChangeBillboard(VboObject* object,
PLfloat left, PLfloat top, PLfloat right, PLfloat bottom,
PLfloat depth_lt, PLfloat depth_lb, PLfloat depth_rt, PLfloat depth_rb)
{
TVertex3f data[6] = { TVertex3f(left, top, depth_lt),
TVertex3f(right, top, depth_rt),
TVertex3f(left, bottom, depth_lb),
TVertex3f(right, bottom, depth_rb),
TVertex3f(left, bottom, depth_lb),
TVertex3f(right, top, depth_rt) };
return ChangeObject(object, data, sizeof(data));
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
switch (uMsg)
{
case WM_CREATE:
{
if (FAILED(InitD3D(hWnd)))
{
MessageBox(hWnd, TEXT("Initialize DirectX failed"), TEXT("警告"), MB_OK | MB_ICONERROR);
PostQuitMessage(0);
}
break;
}
case WM_PAINT:
Render(hWnd);
ValidateRect(hWnd, NULL);
break;
case WM_KEYDOWN:
if (wParam == VK_ESCAPE)
{
DestroyWindow(hWnd);
}
else
{
ChangeObject();
}
break;
case WM_SIZE:
OnSize((short)LOWORD(lParam), (short)HIWORD(lParam));
break;
case WM_DESTROY:
Cleanup();
PostQuitMessage(0);
break;
default:
return ::DefWindowProc(hWnd, uMsg, wParam, lParam);
}
return 0;
}
