HRESULT APPLICATION::Cleanup()
{
try
{
m_pFont->Release();
m_pLine->Release();
m_pDevice->Release();
debug.Print("Application terminated");
}
catch(...){}
return S_OK;
}
void InitDX9App::drawScene()
{
HR(gd3dDevice->Clear(0, 0, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, D3DCOLOR_XRGB(255,255,255), 1.0f, 0));
RECT formatRect;
GetClientRect(mhMainWnd, &formatRect);
HR(gd3dDevice->BeginScene());
mFont->DrawText(0, L"Hello Direct3D 9", -1, &formatRect, DT_CENTER | DT_VCENTER,
D3DCOLOR_XRGB(rand() % 256, rand() % 256, rand() % 256));
D3DXVECTOR2 line[] = {
D3DXVECTOR2(0,0),
D3DXVECTOR2(100.0f, 100.0f),
D3DXVECTOR2(100.0f, 200.0f),
};
mLine->Begin();
mLine->Draw(line, 3, D3DCOLOR_XRGB(255,0,0));
mLine->End();
HR(gd3dDevice->EndScene());
HR(gd3dDevice->Present(0, 0, 0, 0));
}
HRESULT APPLICATION::Render()
{
//Setup the viewport
D3DVIEWPORT9 v, v2;
v.Width = 800;
v.Height = 600;
v.X = 0;
v.Y = 0;
v.MaxZ = 1.0f;
v.MinZ = 0.0f;
m_pDevice->SetViewport(&v);
v2 = v;
// Clear the viewport
m_pDevice->Clear(0L, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, 0xff4444ff, 1.0f, 0L );
// Begin the scene
if(SUCCEEDED(m_pDevice->BeginScene()))
{
//Render big city
m_city.Render(&m_camera);
RECT r[] = {{10, 10, 0, 0}, {10, 30, 0, 0}, {10, 50, 0, 0}};
m_pFont->DrawText(NULL, "Mouse Wheel: Change Camera Radius", -1, &r[0], DT_LEFT| DT_TOP | DT_NOCLIP, 0xff000000);
m_pFont->DrawText(NULL, "Arrows: Change Camera Angle", -1, &r[1], DT_LEFT| DT_TOP | DT_NOCLIP, 0xff000000);
//Render city overview, set viewport
v.X = 550;
v.Y = 20;
v.Width = 230;
v.Height = 230;
m_pDevice->SetViewport(&v);
m_pDevice->Clear(0L, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, 0xffffffff, 1.0f, 0L );
//Setup camera view to orthogonal view looking down on city
D3DXMATRIX viewTop, projectionTop;
D3DXMatrixLookAtLH(&viewTop, &(m_city.GetCenter() + D3DXVECTOR3(0.0f, 100.0f, 0.0f)), &m_city.GetCenter(), &D3DXVECTOR3(0,0,1));
D3DXMatrixOrthoLH(&projectionTop, m_city.m_size.x * TILE_SIZE, m_city.m_size.y * TILE_SIZE, 0.1f, 1000.0f);
m_pDevice->SetTransform(D3DTS_VIEW, &viewTop);
m_pDevice->SetTransform(D3DTS_PROJECTION, &projectionTop);
//Draw city blocks that are in view
m_city.Render(NULL);
//Restore viewport
m_pDevice->SetViewport(&v2);
//Draw line around smaller window
D3DXVECTOR2 outline[] = {D3DXVECTOR2(550, 20), D3DXVECTOR2(779, 20), D3DXVECTOR2(779, 249), D3DXVECTOR2(550, 249), D3DXVECTOR2(550, 20)};
m_pLine->SetWidth(3.0f);
m_pLine->Begin();
m_pLine->Draw(outline, 5, 0xff000000);
m_pLine->End();
//Draw mouse
m_mouse.Paint();
// End the scene.
m_pDevice->EndScene();
m_pDevice->Present(0, 0, 0, 0);
}
return S_OK;
}
void InitDX9App::onLostDevice()
{
HR(mFont->OnLostDevice());
HR(mLine->OnLostDevice());
}
