void Terrain::Draw(ID3D11DeviceContext* dc, const Camera& cam, DirectionalLight lights[3])
{
dc->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_4_CONTROL_POINT_PATCHLIST);
dc->IASetInputLayout(InputLayouts::Terrain);
UINT stride = sizeof(Vertex::Terrain);
UINT offset = 0;
dc->IASetVertexBuffers(0, 1, &mQuadPatchVB, &stride, &offset);
dc->IASetIndexBuffer(mQuadPatchIB, DXGI_FORMAT_R16_UINT, 0);
XMMATRIX viewProj = cam.ViewProj();
XMMATRIX world = XMLoadFloat4x4(&mWorld);
XMMATRIX worldInvTranspose = MathHelper::InverseTranspose(world);
XMMATRIX worldViewProj = world*viewProj;
XMMATRIX ShadowTransform = world * XMLoadFloat4x4(&d3d->m_ShadowTransform);
XMFLOAT4 worldPlanes[6];
ExtractFrustumPlanes(worldPlanes, viewProj);
// Set per frame constants.
Effects::TerrainFX->SetViewProj(viewProj);
Effects::TerrainFX->SetEyePosW(cam.GetPosition());
Effects::TerrainFX->SetDirLights(lights);
Effects::TerrainFX->SetFogColor(Colors::Silver);
Effects::TerrainFX->SetFogStart(15.0f);
Effects::TerrainFX->SetFogRange(175.0f);
Effects::TerrainFX->SetMinDist(20.0f);
Effects::TerrainFX->SetMaxDist(400.0f);
Effects::TerrainFX->SetMinTess(0.0f);
Effects::TerrainFX->SetMaxTess(6.0f);
Effects::TerrainFX->SetTexelCellSpaceU(1.0f / mInfo.HeightmapWidth);
Effects::TerrainFX->SetTexelCellSpaceV(1.0f / mInfo.HeightmapHeight);
Effects::TerrainFX->SetWorldCellSpace(mInfo.CellSpacing);
Effects::TerrainFX->SetWorldFrustumPlanes(worldPlanes);
Effects::TerrainFX->SetLayerMapArray(mLayerMapArraySRV);
Effects::TerrainFX->SetBlendMap(mBlendMapSRV);
Effects::TerrainFX->SetHeightMap(mHeightMapSRV);
Effects::TerrainFX->SetShadowMap(d3d->GetShadowMap());
Effects::TerrainFX->SetShadowTransform(ShadowTransform);
Effects::TerrainFX->SetMaterial(mMat);
ID3DX11EffectTechnique* tech = Effects::TerrainFX->Light1Tech;
D3DX11_TECHNIQUE_DESC techDesc;
tech->GetDesc( &techDesc );
for(UINT i = 0; i < techDesc.Passes; ++i)
{
ID3DX11EffectPass* pass = tech->GetPassByIndex(i);
pass->Apply(0, dc);
dc->DrawIndexed(mNumPatchQuadFaces*4, 0, 0);
}
dc->HSSetShader(0, 0, 0);
dc->DSSetShader(0, 0, 0);
}
void CRender::ViewSetup3D( const CViewSetup *pView, Frustum frustumPlanes )
{
VPROF("CRender::ViewSetup3D");
m_view = *pView;
m_yFOV = CalcFov( m_view.fov, ( float )m_view.width, ( float )m_view.height );
if( g_nFrameBuffersToClear > 0 )
{
SetViewport( m_view.x, m_view.y, m_view.width, m_view.height );
materialSystemInterface->ClearBuffers( true, m_view.clearDepth );
g_nFrameBuffersToClear--;
}
SetViewport( m_view.x, m_view.y + m_view.height * ( 1.0f - g_ViewportScale ),
m_view.width * g_ViewportScale, m_view.height * g_ViewportScale );
if( m_view.clearColor || m_view.clearDepth )
{
materialSystemInterface->ClearBuffers( m_view.clearColor, m_view.clearDepth );
}
materialSystemInterface->DepthRange( 0, 1 );
// build the transformation matrix for the given view angles
VectorCopy( m_view.origin, r_origin );
AngleVectors( m_view.angles, &vpn, &vright, &vup );
// vup = -vup;
// Copy for VectorTransform
VectorCopy( &vpn.x, asmvpn );
VectorCopy( &vright.x, asmvright );
VectorCopy( &vup.x, asmvup );
if ( pView->m_bOrtho )
{
SetProjectionMatrixOrtho(pView->m_OrthoLeft, pView->m_OrthoTop, pView->m_OrthoRight, pView->m_OrthoBottom, pView->zNear, pView->zFar);
}
else
{
SetProjectionMatrix( m_view.fov, m_view.zNear, m_view.zFar, m_view.m_bForceAspectRatio1To1 );
}
SetViewMatrix( m_view.origin, m_view.angles );
ExtractMatrices();
if ( pView->m_bOrtho )
{
OrthoExtractFrustumPlanes( frustumPlanes );
}
else
{
ExtractFrustumPlanes(frustumPlanes);
}
OcclusionSystem()->SetView( m_view.origin, m_view.fov, m_matrixView, m_matrixProjection, frustumPlanes[ FRUSTUM_NEARZ ] );
R_SceneBegin();
// debug, build leaf volume
LeafVisBuild( Vector(r_origin) );
}
