void Render()
{
if(g_pD3DDevice==NULL) return;
//Clear the back buffer to a black color
g_pD3DDevice->Clear(0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB(0, 0, 0), 1.0f, 0);
//Begin the scene
g_pD3DDevice->BeginScene();
SetupRotation();
SetupCamera();
SetupPerspective();
//Rendering triangles
int triCount=0;
g_pD3DDevice->SetStreamSource(0, g_pVertexBuffer, 0, sizeof(CUSTOMVERTEX));
g_pD3DDevice->SetFVF(D3DFVF_CUSTOMVERTEX);
triCount+=g_pD3DDevice->DrawPrimitive(D3DPT_TRIANGLELIST, 0, 1);
char msg[256];
sprintf(msg, "每桢渲染的三角形数：%d", triCount);
g_pFont->DrawText(msg, 5, 5, D3DCOLOR_XRGB(0, 255, 0));
//End the scene
g_pD3DDevice->EndScene();
//Flip
g_pD3DDevice->Present(NULL, NULL, NULL, NULL);
}
HRESULT GameLoader::InitialiseD3D(HWND hWnd)
{
m_pD3D = Direct3DCreate9(D3D_SDK_VERSION);
if(m_pD3D == NULL)
{
return E_FAIL;
}
D3DDISPLAYMODE d3ddm;
if( FAILED(m_pD3D->GetAdapterDisplayMode(D3DADAPTER_DEFAULT, &d3ddm)))
{
return E_FAIL;
}
D3DPRESENT_PARAMETERS d3dpp;
ZeroMemory(&d3dpp, sizeof(d3dpp));
d3dpp.Windowed = TRUE;
d3dpp.BackBufferCount = 1;
d3dpp.BackBufferFormat = d3ddm.Format;
d3dpp.hDeviceWindow = hWnd;
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
if(m_pD3D->CheckDeviceFormat(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, d3ddm.Format, D3DUSAGE_DEPTHSTENCIL, D3DRTYPE_SURFACE, D3DFMT_D32) == D3D_OK)
{
d3dpp.AutoDepthStencilFormat = D3DFMT_D32;
d3dpp.EnableAutoDepthStencil = TRUE;
}
else if(m_pD3D->CheckDeviceFormat(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, d3ddm.Format, D3DUSAGE_DEPTHSTENCIL, D3DRTYPE_SURFACE, D3DFMT_D24X8) == D3D_OK)
{
d3dpp.AutoDepthStencilFormat = D3DFMT_D24X8;
d3dpp.EnableAutoDepthStencil = TRUE;
}
else if(m_pD3D->CheckDeviceFormat(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, d3ddm.Format, D3DUSAGE_DEPTHSTENCIL, D3DRTYPE_SURFACE, D3DFMT_D16) == D3D_OK)
{
d3dpp.AutoDepthStencilFormat = D3DFMT_D16;
d3dpp.EnableAutoDepthStencil = TRUE;
}
else
{
d3dpp.EnableAutoDepthStencil = FALSE;
}
if(FAILED(m_pD3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hWnd,
D3DCREATE_SOFTWARE_VERTEXPROCESSING, &d3dpp, &m_pD3DDevice)))
{
return E_FAIL;
}
m_pD3DDevice->SetRenderState(D3DRS_CULLMODE, D3DCULL_CCW);
m_pD3DDevice->SetRenderState(D3DRS_LIGHTING, FALSE);
m_pD3DDevice->SetRenderState(D3DRS_ZENABLE, D3DZB_TRUE);
SetupPerspective();
SetupFont();
return S_OK;
}
void FlyCamera::Update( real64_t dt ) {
Cvar *r_zRange = Cvar::Get( "r_zRange" );
real32_t zNear = r_zRange->GetReal32( 0 );
real32_t zFar = r_zRange->GetReal32( 1 );
SetupPerspective(
glm::radians( cg_fov->GetReal32() ),
Renderer::rdState.window.aspectRatio,
zNear,
zFar
);
HandleKeyboardInput( dt );
HandleMouseInput( dt );
}
