//-----------------------------------------------------------------------------
// Name: Render
// Desc:
//-----------------------------------------------------------------------------
HRESULT CMyD3DApplication::Render()
{
HRESULT hr;
if(FAILED(hr = m_pd3dDevice->BeginScene()))
return hr;
// Draw Environment
FLOAT fAspectRatio = (FLOAT)m_d3dsdBackBuffer.Width / (FLOAT)m_d3dsdBackBuffer.Height;
D3DXMatrixPerspectiveFovRH(&m_matProjection, D3DXToRadian(60.0f), fAspectRatio, 0.1f, 2000.0f);
m_pd3dDevice->SetTransform(D3DTS_PROJECTION, &m_matProjection);
if(m_bDrawEnvironment)
{
D3DXMATRIX mat(m_matView);
mat._41 = mat._42 = mat._43 = 0.0f;
m_pd3dDevice->SetTransform(D3DTS_VIEW, &mat);
m_pd3dDevice->SetTextureStageState(0, D3DTSS_COLOROP, D3DTOP_SELECTARG1);
m_pd3dDevice->SetRenderState(D3DRS_ZFUNC, D3DCMP_ALWAYS);
m_Environment.Draw();
m_pd3dDevice->SetRenderState(D3DRS_ZFUNC, D3DCMP_LESSEQUAL);
m_pd3dDevice->SetTextureStageState(0, D3DTSS_COLOROP, D3DTOP_DISABLE);
}
else
{
m_pd3dDevice->Clear(0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, 0x00000000, 1.0f, 0);
}
m_pd3dDevice->SetTransform(D3DTS_VIEW, &m_matView);
// Draw water
if(m_bDrawWater)
{
// Setup matrices
if(m_pEffect->IsParameterUsed("mENV"))
{
D3DXMATRIX matP(m_matPosition);
matP._41 = matP._42 = matP._43 = 0.0f;
D3DXMATRIX mat;
D3DXMatrixScaling(&mat, 1.0f, 1.0f, -1.0f);
D3DXMatrixMultiply(&mat, &matP, &mat);
// matCube
m_pEffect->SetMatrix("mENV", &mat);
}
// Draw water
UINT uPasses;
m_pEffect->Begin(&uPasses, 0);
for(UINT uPass = 0; uPass < uPasses; uPass++)
{
m_pEffect->Pass(uPass);
m_Water.DrawSurface();
}
m_pEffect->End();
}
// Show info
m_pFont->DrawText( 2, 0, D3DCOLOR_ARGB(255,255,255,0), m_strFrameStats );
m_pFont->DrawText( 2, 20, D3DCOLOR_ARGB(255,255,255,0), m_strDeviceStats );
TCHAR szText[100];
wsprintf( szText, _T("Using Technique %d"), m_iTechnique );
m_pFontSmall->DrawText( 2, 40, D3DCOLOR_ARGB(255,255,100,100), szText );
if( m_bShowHelp )
{
m_pFontSmall->DrawText( 2, 60, D3DCOLOR_ARGB(255,100,100,200),
_T("Keyboard controls:") );
m_pFontSmall->DrawText( 20, 80, D3DCOLOR_ARGB(255,100,100,200),
_T("Add Drop\n")
_T("Next Technique\n")
_T("Next Tech. (no validate)\n")
_T("Prev Technique\n")
_T("Prev Tech. (no validate)\n")
_T("Move\nTurn\nPitch\nSlide\n")
_T("Help\nChange device\nExit") );
m_pFontSmall->DrawText( 210, 80, D3DCOLOR_ARGB(255,100,100,200),
_T("D\n")
_T("PageDn\nShift-PageDn\n")
_T("PageUp\nShift-PageUp\n")
_T("W,S\nE,Q\nA,Z\nArrow keys\n")
_T("F1\nF2\nEsc") );
}
else
{
m_pFontSmall->DrawText( 2, 60, D3DCOLOR_ARGB(255,100,100,200),
_T("Press F1 for help") );
}
if(FAILED(hr = m_pd3dDevice->EndScene()))
return hr;
return S_OK;
}
