void CTourist::MoveToward(const float fElapsedTime)
{
D3DXVECTOR3 vTrans(0, 0, m_fSpeed*fElapsedTime);
D3DXVec3TransformNormal(&vTrans, &vTrans, &m_mOrientation);
m_vPos += vTrans;
//平移调整物体世界坐标方向矩阵
D3DXMATRIX mTrans;
D3DXMatrixTranslation(&mTrans, vTrans.x, vTrans.y, vTrans.z);
D3DXMatrixMultiply(&m_mOrientation, &m_mOrientation, &mTrans);
}
void LUMod
( ElementalMatrix<F>& APre,
DistPermutation& P,
const ElementalMatrix<F>& u,
const ElementalMatrix<F>& v,
bool conjugate,
Base<F> tau )
{
DEBUG_CSE
const Grid& g = APre.Grid();
typedef Base<F> Real;
DistMatrixReadWriteProxy<F,F,MC,MR> AProx( APre );
auto& A = AProx.Get();
const Int m = A.Height();
const Int n = A.Width();
const Int minDim = Min(m,n);
if( minDim != m )
LogicError("It is assumed that height(A) <= width(A)");
if( u.Height() != m || u.Width() != 1 )
LogicError("u is expected to be a conforming column vector");
if( v.Height() != n || v.Width() != 1 )
LogicError("v is expected to be a conforming column vector");
AssertSameGrids( A, u, v );
// w := inv(L) P u
// TODO: Consider locally maintaining all of w to avoid unnecessarily
// broadcasting at every iteration.
DistMatrix<F> w( u );
P.PermuteRows( w );
Trsv( LOWER, NORMAL, UNIT, A, w );
// Maintain an external vector for the temporary subdiagonal of U
DistMatrix<F,MD,STAR> uSub(g);
uSub.SetRoot( A.DiagonalRoot(-1) );
uSub.AlignCols( A.DiagonalAlign(-1) );
Zeros( uSub, minDim-1, 1 );
// Reduce w to a multiple of e0
for( Int i=minDim-2; i>=0; --i )
{
// Decide if we should pivot the i'th and i+1'th rows of w
const F lambdaSub = A.Get(i+1,i);
const F ups_ii = A.Get(i,i);
const F omega_i = w.Get( i, 0 );
const F omega_ip1 = w.Get( i+1, 0 );
const Real rightTerm = Abs(lambdaSub*omega_i+omega_ip1);
const bool pivot = ( Abs(omega_i) < tau*rightTerm );
const Range<Int> indB( i+2, m ),
indR( i+1, n ),
indi( i, i+1 ),
indip1( i+1, i+2 );
auto lBi = A( indB, indi );
auto lBip1 = A( indB, indip1 );
auto uiR = A( indi, indR );
auto uip1R = A( indip1, indR );
if( pivot )
{
// P := P_i P
P.Swap( i, i+1 );
// Simultaneously perform
// U := P_i U and
// L := P_i L P_i^T
//
// Then update
// L := L T_{i,L}^{-1},
// U := T_{i,L} U,
// w := T_{i,L} P_i w,
// where T_{i,L} is the Gauss transform which zeros (P_i w)_{i+1}.
//
// More succinctly,
// gamma := w(i) / w(i+1),
// w(i) := w(i+1),
// w(i+1) := 0,
// L(:,i) += gamma L(:,i+1),
// U(i+1,:) -= gamma U(i,:).
const F gamma = omega_i / omega_ip1;
const F lambda_ii = F(1) + gamma*lambdaSub;
A.Set( i, i, gamma );
A.Set( i+1, i, 0 );
auto lBiCopy = lBi;
Swap( NORMAL, lBi, lBip1 );
Axpy( gamma, lBiCopy, lBi );
auto uip1RCopy = uip1R;
RowSwap( A, i, i+1 );
Axpy( -gamma, uip1RCopy, uip1R );
// Force L back to *unit* lower-triangular form via the transform
// L := L T_{i,U}^{-1} D^{-1},
// where D is diagonal and responsible for forcing L(i,i) and
// L(i+1,i+1) back to 1. The effect on L is:
// eta := L(i,i+1)/L(i,i),
// L(:,i+1) -= eta L(:,i),
// delta_i := L(i,i),
// delta_ip1 := L(i+1,i+1),
// L(:,i) /= delta_i,
// L(:,i+1) /= delta_ip1,
// while the effect on U is
// U(i,:) += eta U(i+1,:)
// U(i,:) *= delta_i,
// U(i+1,:) *= delta_{i+1},
// and the effect on w is
// w(i) *= delta_i.
const F eta = lambdaSub/lambda_ii;
const F delta_i = lambda_ii;
const F delta_ip1 = F(1) - eta*gamma;
Axpy( -eta, lBi, lBip1 );
A.Set( i+1, i, gamma/delta_i );
lBi *= F(1)/delta_i;
lBip1 *= F(1)/delta_ip1;
A.Set( i, i, eta*ups_ii*delta_i );
Axpy( eta, uip1R, uiR );
uiR *= delta_i;
uip1R *= delta_ip1;
uSub.Set( i, 0, ups_ii*delta_ip1 );
// Finally set w(i)
w.Set( i, 0, omega_ip1*delta_i );
}
else
{
// Update
// L := L T_{i,L}^{-1},
// U := T_{i,L} U,
// w := T_{i,L} w,
// where T_{i,L} is the Gauss transform which zeros w_{i+1}.
//
// More succinctly,
// gamma := w(i+1) / w(i),
// L(:,i) += gamma L(:,i+1),
// U(i+1,:) -= gamma U(i,:),
// w(i+1) := 0.
const F gamma = omega_ip1 / omega_i;
A.Update( i+1, i, gamma );
Axpy( gamma, lBip1, lBi );
Axpy( -gamma, uiR, uip1R );
uSub.Set( i, 0, -gamma*ups_ii );
}
}
// Add the modified w v' into U
{
auto a0 = A( IR(0), ALL );
const F omega_0 = w.Get( 0, 0 );
DistMatrix<F> vTrans(g);
vTrans.AlignWith( a0 );
Transpose( v, vTrans, conjugate );
Axpy( omega_0, vTrans, a0 );
}
// Transform U from upper-Hessenberg to upper-triangular form
for( Int i=0; i<minDim-1; ++i )
{
// Decide if we should pivot the i'th and i+1'th rows U
const F lambdaSub = A.Get( i+1, i );
const F ups_ii = A.Get( i, i );
const F ups_ip1i = uSub.Get( i, 0 );
const Real rightTerm = Abs(lambdaSub*ups_ii+ups_ip1i);
const bool pivot = ( Abs(ups_ii) < tau*rightTerm );
const Range<Int> indB( i+2, m ),
indR( i+1, n ),
indi( i, i+1 ),
indip1( i+1, i+2 );
auto lBi = A( indB, indi );
auto lBip1 = A( indB, indip1 );
auto uiR = A( indi, indR );
auto uip1R = A( indip1, indR );
if( pivot )
{
// P := P_i P
P.Swap( i, i+1 );
// Simultaneously perform
// U := P_i U and
// L := P_i L P_i^T
//
// Then update
// L := L T_{i,L}^{-1},
// U := T_{i,L} U,
// where T_{i,L} is the Gauss transform which zeros U(i+1,i).
//
// More succinctly,
// gamma := U(i+1,i) / U(i,i),
// L(:,i) += gamma L(:,i+1),
// U(i+1,:) -= gamma U(i,:).
const F gamma = ups_ii / ups_ip1i;
const F lambda_ii = F(1) + gamma*lambdaSub;
A.Set( i+1, i, ups_ip1i );
A.Set( i, i, gamma );
auto lBiCopy = lBi;
Swap( NORMAL, lBi, lBip1 );
Axpy( gamma, lBiCopy, lBi );
auto uip1RCopy = uip1R;
RowSwap( A, i, i+1 );
Axpy( -gamma, uip1RCopy, uip1R );
// Force L back to *unit* lower-triangular form via the transform
// L := L T_{i,U}^{-1} D^{-1},
// where D is diagonal and responsible for forcing L(i,i) and
// L(i+1,i+1) back to 1. The effect on L is:
// eta := L(i,i+1)/L(i,i),
// L(:,i+1) -= eta L(:,i),
// delta_i := L(i,i),
// delta_ip1 := L(i+1,i+1),
// L(:,i) /= delta_i,
// L(:,i+1) /= delta_ip1,
// while the effect on U is
// U(i,:) += eta U(i+1,:)
// U(i,:) *= delta_i,
// U(i+1,:) *= delta_{i+1}.
const F eta = lambdaSub/lambda_ii;
const F delta_i = lambda_ii;
const F delta_ip1 = F(1) - eta*gamma;
Axpy( -eta, lBi, lBip1 );
A.Set( i+1, i, gamma/delta_i );
lBi *= F(1)/delta_i;
lBip1 *= F(1)/delta_ip1;
A.Set( i, i, ups_ip1i*delta_i );
Axpy( eta, uip1R, uiR );
uiR *= delta_i;
uip1R *= delta_ip1;
}
else
{
// Update
// L := L T_{i,L}^{-1},
// U := T_{i,L} U,
// where T_{i,L} is the Gauss transform which zeros U(i+1,i).
//
// More succinctly,
// gamma := U(i+1,i)/ U(i,i),
// L(:,i) += gamma L(:,i+1),
// U(i+1,:) -= gamma U(i,:).
const F gamma = ups_ip1i / ups_ii;
A.Update( i+1, i, gamma );
Axpy( gamma, lBip1, lBi );
Axpy( -gamma, uiR, uip1R );
}
}
}
void ObjectEditHandler::Roaming(CPoint Point, Ogre::TerrainGroup::RayResult rayResult, float Elapsed)
{
if(mMode == OEM_NONE)
return;
if(mFreeTransform)
{
Ogre::Vector3 newPosition;
if(!(GetKeyState(VK_LCONTROL) & 0x8000))
{
newPosition = Ogre::Vector3(rayResult.position.x, mTarget->getSceneNode()->getPosition().y, rayResult.position.z);
if(mOwner->isPaste())
newPosition.y = rayResult.position.y;
mTarget->getSceneNode()->setPosition(newPosition);
PropertyWnd::current->firePropertyChanged();
}
mObjectEditNode->setPosition(newPosition);
} else
if(GetKeyState(VK_LBUTTON) & 0x8000)
{
if(Point == mLastPoint)
return;
CPoint Move = Point - mLastPoint;
mLastPoint = Point;
if(mMode == OEM_TRANS)
{
Ogre::Vector3 vCamXAxis, vCamYAxis, vCamZAxis;
mOwner->getCamera()->getDerivedOrientation().ToAxes(vCamXAxis, vCamYAxis, vCamZAxis);
Ogre::Vector3 vTrans(0,0,0);
switch(mAxisMode)
{
case AM_TRANS_SCALE_X:
{
float xyPlane = (vCamZAxis.y < 0 ? -1 : 1);
float yAxis = (vCamXAxis.z < 0 ? 1 : -1);
vTrans.x = Move.x * vCamXAxis.x + Move.y * (1 - vCamXAxis.x) * xyPlane * yAxis;
}
break;
case AM_TRANS_SCALE_Y:
{
vTrans.y = -Move.y * (vCamYAxis.y > 0 ? 1 : -1);
}
break;
case AM_TRANS_SCALE_Z:
{
float yAxis = (vCamZAxis.z < 0 ? -1 : 1);
vTrans.z = Move.x * vCamXAxis.z + Move.y * (1.0f - vCamXAxis.z) * yAxis;
}
break;
case AM_TRANS_SCALE_ALL:
{
float xyPlane = (vCamZAxis.y < 0 ? -1 : 1);
float yAxis = (vCamXAxis.z < 0 ? 1 : -1);
vTrans.x = Move.x * vCamXAxis.x + Move.y * (1 - vCamXAxis.x) * xyPlane * yAxis;
vTrans.z = Move.x * vCamXAxis.z + Move.y * (1.0f - vCamXAxis.z) * (vCamZAxis.z < 0 ? -1 : 1);
vTrans.y = -Move.y * (vCamYAxis.y > 0 ? 1 : -1);
}
}
if(!(GetKeyState(VK_LCONTROL) & 0x8000))
{
mTarget->getSceneNode()->translate(vTrans);
PropertyWnd::current->firePropertyChanged();
}
mObjectEditNode->translate(vTrans);
} else
if(mMode == OEM_SCALE)
{
Ogre::Vector3 vScaleInc(0, 0, 0);
if(mAxisMode == AM_TRANS_SCALE_ALL)
{
vScaleInc.x = Move.x * 0.01f;
vScaleInc.y = vScaleInc.x;
vScaleInc.z = vScaleInc.x;
}
else
{
Ogre::Vector3 vNodeXAxis, vNodeYAxis, vNodeZAxis;
mObjectEditNode->getOrientation().ToAxes(vNodeXAxis, vNodeYAxis, vNodeZAxis);
const Ogre::Matrix4 &ViewMatrix = mOwner->getCamera()->getViewMatrix();
switch(mAxisMode)
{
case AM_TRANS_SCALE_X:
{
vNodeXAxis = ViewMatrix * vNodeXAxis;
vScaleInc.x = (Move.x * vNodeXAxis.x - Move.y * vNodeXAxis.y) * 0.001f;
}
break;
case AM_TRANS_SCALE_Y:
{
vNodeYAxis = ViewMatrix * vNodeYAxis;
vScaleInc.y = (Move.x * vNodeYAxis.x - Move.y * vNodeYAxis.y) * 0.001f;
}
break;
case AM_TRANS_SCALE_Z:
{
vNodeZAxis = ViewMatrix * vNodeZAxis;
vScaleInc.z = (Move.x * vNodeZAxis.x - Move.y * vNodeZAxis.y) * 0.001f;
}
}
mTarget->getSceneNode()->setScale(
mTarget->getSceneNode()->getScale() + vScaleInc);
PropertyWnd::current->firePropertyChanged();
}
} else
if(mMode == OEM_ROTATE)
{
Ogre::Quaternion qRotate;
switch(mAxisMode)
{
case AM_ROTATE_X:
qRotate.FromAngleAxis(Ogre::Radian(Move.y * 0.01f), mRotateNode->getOrientation().xAxis());
break;
case AM_ROTATE_Y:
qRotate.FromAngleAxis(Ogre::Radian(Move.x * 0.01f), mRotateNode->getOrientation().yAxis());
break;
case AM_ROTATE_Z:
qRotate.FromAngleAxis(Ogre::Radian(-Move.y * 0.01f), mRotateNode->getOrientation().zAxis());
break;
}
if (!(GetKeyState(VK_LCONTROL) & 0x8000))
{
mTarget->getSceneNode()->rotate(qRotate, Ogre::Node::TS_PARENT);
PropertyWnd::current->firePropertyChanged();
}
mRotateNode->rotate(qRotate, Ogre::Node::TS_PARENT);
}
}
else
{
mIndicatorContext->collide();
OgreOpcode::CollisionPair **CollisionPair = NULL;
float Distance =
mOwner->getCamera()->getFarClipDistance();
if(Distance < 0.1f) // 近似比较float与0
Distance = Ogre::Math::POS_INFINITY;
Ogre::Ray pickRay = mOwner->getCamera()->getCameraToViewportRay(float(Point.x) / mOwner->getActiveView()->getWidth(),
float(Point.y) / mOwner->getActiveView()->getHeight());
if(mIndicatorContext->rayCheck(pickRay, Distance,
OgreOpcode::COLLTYPE_EXACT,
OgreOpcode::COLLTYPE_ALWAYS_EXACT,
CollisionPair))
{
OgreOpcode::CollisionObject *CollisionObject =
CollisionPair[0]->this_object;
KAxisMode AxisMode = mCollisionObjectToAxisMode[CollisionObject];
if(mAxisMode == AM_NONE)
{
mAxisMode = mCollisionObjectToAxisMode[CollisionObject];
mTransformEntities[mAxisMode]->setMaterial(mMaterials[4]);
return;
} else
if(mAxisMode == AxisMode)
return;
}
switch(mAxisMode) // 恢复指示器材质
{
case AM_NONE:
return;
case AM_TRANS_SCALE_X:
case AM_ROTATE_X:
mTransformEntities[mAxisMode]->setMaterial(mMaterials[0]);
break;
case AM_TRANS_SCALE_Y:
case AM_ROTATE_Y:
mTransformEntities[mAxisMode]->setMaterial(mMaterials[1]);
break;
case AM_TRANS_SCALE_Z:
case AM_ROTATE_Z:
mTransformEntities[mAxisMode]->setMaterial(mMaterials[2]);
break;
case AM_TRANS_SCALE_ALL:
mTransformEntities[mAxisMode]->setMaterial(mMaterials[3]);
break;
}
mAxisMode = AM_NONE;
}
}
//--------------------------------------------------------------------------------------
void CALLBACK OnD3D10FrameRender(ID3D10Device* pDev10, double fTime, float fElapsedTime, void* pUserContext)
{
HRESULT hr;
g_pCamManager->SyncToCameraUI(g_CameraUI);
//dont delete, used no only here
const DXGI_SURFACE_DESC *pBackBufferSurfaceDesc = DXUTGetDXGIBackBufferSurfaceDesc();
if( ShadowAlgorithm != OldShadowAlgorithm )
{
OldShadowAlgorithm = ShadowAlgorithm;
switch( ShadowAlgorithm )
{
case STANDARD_BP:
g_ABP.OnD3D10DestroyDevice();
break;
case BP_MSSM_KERNEL:
g_BPMSSMKernel.OnD3D10DestroyDevice();
break;
case STD_VSM:
g_StdVSM.OnD3D10DestroyDevice();
break;
case MIP_VSM:
g_MipVSM.OnD3D10DestroyDevice();
break;
case HIR_BP:
g_HBP.OnD3D10DestroyDevice();
break;
case BP_GI:
g_BPGI.OnD3D10DestroyDevice();
break;
case STD_PCSS:
g_PCSS.OnD3D10DestroyDevice();
break;
default:
break;
};
switch( ShadowAlgorithm )
{
case STANDARD_BP:
g_ABP.OnD3D10CreateDevice(pDev10,pBackBufferSurfaceDesc,pUserContext);
g_ABP.OnD3D10SwapChainResized(pDev10,NULL,pBackBufferSurfaceDesc,pUserContext );
break;
case BP_MSSM_KERNEL:
g_BPMSSMKernel.OnD3D10CreateDevice(pDev10,pBackBufferSurfaceDesc,pUserContext);
g_BPMSSMKernel.OnD3D10SwapChainResized(pDev10,NULL,pBackBufferSurfaceDesc,pUserContext );
break;
case STD_VSM:
g_StdVSM.OnD3D10CreateDevice(pDev10,pBackBufferSurfaceDesc,pUserContext);
g_StdVSM.OnD3D10SwapChainResized(pDev10,NULL,pBackBufferSurfaceDesc,pUserContext );
break;
case MIP_VSM:
g_MipVSM.OnD3D10CreateDevice(pDev10,pBackBufferSurfaceDesc,pUserContext);
g_MipVSM.OnD3D10SwapChainResized(pDev10,NULL,pBackBufferSurfaceDesc,pUserContext );
break;
case HIR_BP:
g_HBP.OnD3D10CreateDevice(pDev10,pBackBufferSurfaceDesc,pUserContext);
g_HBP.OnD3D10SwapChainResized(pDev10,NULL,pBackBufferSurfaceDesc,pUserContext );
break;
case BP_GI:
g_BPGI.OnD3D10CreateDevice(pDev10,pBackBufferSurfaceDesc,pUserContext);
g_BPGI.OnD3D10SwapChainResized(pDev10,NULL,pBackBufferSurfaceDesc,pUserContext );
break;
case STD_PCSS:
g_PCSS.OnD3D10CreateDevice(pDev10,pBackBufferSurfaceDesc,pUserContext);
g_PCSS.OnD3D10SwapChainResized(pDev10,NULL,pBackBufferSurfaceDesc,pUserContext );
break;
default:
break;
};
}
//begin light and view pos management
{
static double old_fTime = 0.001;
fTime = old_fTime;
old_fTime += 0.02;
static double oldTime = 0;
static unsigned old_iSta = 0;
static double stop_time = 0;
static double total_stop_time = 0;
double tmp = fTime;
unsigned iSta = g_SampleUI.GetCheckBox(IDC_STATIC)->GetChecked();
if( 0 == old_iSta && 1 == iSta )//turn to be static
{
stop_time = fTime - total_stop_time;
}
if( 1 == iSta )
{
total_stop_time += ( fTime - oldTime );
fTime = stop_time;
}
if( 0 == iSta )
{
fTime -= total_stop_time;
}
old_iSta = iSta;
oldTime = tmp;
}//end light and view pos management
S3UTCamera& g_CameraRef = *(g_pCamManager->ActiveEye());
// compute view matrix
D3DXMATRIX mTmp, mWorldView, mWorldViewProj, mWorldViewInv;
D3DXMatrixInverse(&mTmp, NULL, g_CameraRef.GetWorldMatrix());
D3DXMatrixMultiply(&mWorldView, &mTmp, g_CameraRef.GetViewMatrix());
// correct near/far clip planes according to camera location
D3DXVECTOR3 vBox[2];
float fAspectRatio = pBackBufferSurfaceDesc->Width / (FLOAT)pBackBufferSurfaceDesc->Height;
// clear depth and color
ID3D10DepthStencilView* pDSV = DXUTGetD3D10DepthStencilView();
pDev10->ClearDepthStencilView( pDSV, D3D10_CLEAR_DEPTH, 1.0, 0);
ID3D10RenderTargetView* pRTV = DXUTGetD3D10RenderTargetView();
if( g_D3DSettingsDlg.IsActive() )
{
g_D3DSettingsDlg.OnRender( fElapsedTime );
return;
}
Parameters para;
para.fLightZn = g_fCtrledLightZn;
float biases[15];
biases[0] = g_fDepthBiasObject0;
biases[1] = g_fDefaultDepthBias;
biases[2] = g_fDepthBiasHammer;
biases[3] = g_fDepthBiasLeftForearm;
biases[4] = g_fDepthBiasRightForearm;
biases[5] = g_fDepthBiasLeftShoulder;
biases[6] = g_fDepthBiasRightShoulder;
biases[7] = g_fDepthBiasBlackPlate;
biases[8] = g_fDepthBiasHelmet;
biases[9] = g_fDepthBiasEyes;
biases[10] = g_fDepthBiasBelt;
biases[11] = g_fDepthBiasLeftThigh;
biases[12] = g_fDepthBiasRightThigh;
biases[13] = g_fDepthBiasLeftShin;
biases[14] = g_fDepthBiasRightShin;
g_MeshScene.set_biases(biases,15);
float light_size[NUM_LIGHT] = LIGHT_SIZE;
float light_ZNS[NUM_LIGHT] = LIGHT_ZNS;
float light_view_angle[NUM_LIGHT] = LIGHT_VIEW_ANGLES;
D3DXVECTOR4 light_color[NUM_LIGHT] = LIGHT_COLOR;
bool render_ogre = g_SampleUI.GetCheckBox( IDC_ANIMATE )->GetChecked();
bool render_scene = g_SampleUI.GetCheckBox( IDC_SCENE )->GetChecked();
bool render_fan = g_SampleUI.GetCheckBox( IDC_FAN )->GetChecked();
float ClearColor[4] = { 0, 0, 0, 1 };
pDev10->ClearRenderTargetView(g_pBlendBuffer->m_pRTView, ClearColor);
//use alpha val 1 to represent untouched pixels
pDev10->ClearRenderTargetView(g_pWidgetBuffer->m_pRTView, ClearColor);
//light management
ID3D10RenderTargetView *p_RTV;
ID3D10ShaderResourceView *p_SRV;
static float light_scale_factor = 0.2;
static float ls_incre = 0.04;
if( g_LightVary == true || g_fFilterSize < g_fFilterSizeCtrl )
{
g_fFilterSize -= ls_incre;
if( g_fFilterSize < 0.1 || g_fFilterSize > g_fFilterSizeCtrl )
ls_incre = -ls_incre;
}
else
{
g_fFilterSize = g_fFilterSizeCtrl;
}
g_fFilterSize = g_fFilterSizeCtrl;
//light pos is not modified here. this light pos stored in 3DWidget is only synced with light camera after rendering of the light
//if you try to modify light pos here, light would be freezed, of course, this is a bug introduced by bad design
D3DXVECTOR3 vTmp;
// render GBuffer
pDev10->OMSetDepthStencilState(g_pDSState,0);
g_GBuffer.OnD3D10FrameRender( true, true, g_SampleUI,
g_MeshScene, g_CameraRef,
pDev10, fTime, fElapsedTime, pUserContext );
g_Blender.OriginalSampleMask = 0;
pDev10->OMGetBlendState( &g_Blender.pOriginalBlendState, g_Blender.OriginalBlendFactor, &g_Blender.OriginalSampleMask );
float BlendBufferClearColor[4] = { 1, 1, 0, 1 };
bool isFirstPass = true;
for( int cam_idx = 0; cam_idx < g_pCamManager->CameraCount(); ++cam_idx )
{
// rendering a subdivided light
if( g_pCamManager->Camera(cam_idx)->GetCamType() == S3UTCamera::eLight&&
g_pCamManager->Camera(cam_idx)->IsActive() )
{
float scaled_half_light_size = (g_pCamManager->Camera(cam_idx)->GetLightSize()*LIGHT_SCALE_FACTOR);
float fStartPt = -scaled_half_light_size;
float fInterval = 2 * scaled_half_light_size / g_nNumLightSample;
float fSubLightSize = g_pCamManager->Camera(cam_idx)->GetLightSize();
if( g_nNumLightSample > 0 )
{
fSubLightSize = fSubLightSize / g_nNumLightSample;
}
if( g_nNumLightSample == 0 )
{
g_nNumLightSample = 1;
}
static float total_light_x_incre = 0;
static int light_mov_dir = 0;
float shadow_factor = 0.8/(g_nNumLightSample * g_nNumLightSample);
for( int ix = 0; ix < g_nNumLightSample; ++ix )
{
for( int iy = 0; iy < g_nNumLightSample; ++iy )
{
D3DXVECTOR3 vLight = *g_pCamManager->Camera(cam_idx)->GetEyePt();
S3UTCamera local_cam = *g_pCamManager->Camera(cam_idx);
D3DXVECTOR3 vTrans( fStartPt+(ix+0.5)*fInterval,fStartPt+(iy+0.5)*fInterval,0 );
if( g_nNumLightSample == 1 )
{
vTrans = D3DXVECTOR3(0,0,0);
}
D3DXMATRIX mInvLightView;
D3DXVECTOR4 tmp_light_pos;
D3DXMatrixInverse(&mInvLightView, NULL, local_cam.GetViewMatrix());
D3DXVec3Transform(&tmp_light_pos, &vTrans, &mInvLightView );
D3DXVECTOR3 tmp_light_pos_3(tmp_light_pos.x,tmp_light_pos.y,tmp_light_pos.z);
D3DXVECTOR3 vLookAt = *local_cam.GetLookAtPt();
local_cam.SetViewParams( &tmp_light_pos_3, &vLookAt );
g_MeshScene.set_parameters( render_ogre, render_scene, render_fan, false );
D3DXMATRIX mLightView;
// here we compute light viewprojection so that light oversees the whole scene
D3DXMATRIX mTranslate;
D3DXMatrixInverse(&mTranslate, NULL, local_cam.GetWorldMatrix());
D3DXMatrixMultiply(&mLightView, &mTranslate, local_cam.GetViewMatrix());
unsigned iTmp = g_SampleUI.GetCheckBox(IDC_BDUMP_SHADOWMAP)->GetChecked();
ssmap.Render(pDev10, &g_MeshScene, local_cam,fTime,fElapsedTime,iTmp);
pDev10->RSSetState(g_pRenderState);
p_RTV = g_pBlendBuffer->m_pRTView;
float NewBlendFactor[4] = {0,0,0,0};
//alpha blending initial;
if( isFirstPass )
{
isFirstPass = false;
pDev10->OMSetBlendState( g_Blender.m_pSceneBlendStateInitial, NewBlendFactor, 0xffffffff );
}
else
{
pDev10->OMSetBlendState( g_Blender.m_pSceneBlendStateOn, NewBlendFactor, 0xffffffff );
}
if( ShadowAlgorithm == BP_GI )
{
V(g_BPGI.m_pEffect->GetVariableByName("g_fLumiFactor")->AsScalar()->SetFloat( shadow_factor ));
g_BPGI.set_parameters( para,p_RTV,&light_color[0] );
g_BPGI.set_input_buffer( &g_GBuffer );
g_BPGI.OnD3D10FrameRender(render_ogre,render_scene,g_SampleUI,g_MeshScene,fSubLightSize,ssmap,g_CameraRef,local_cam,pDev10,fTime,fElapsedTime,pUserContext);
}
else if( ShadowAlgorithm == STANDARD_BP )
{
V(g_ABP.m_pEffect->GetVariableByName("fLumiFactor")->AsScalar()->SetFloat( shadow_factor ));
g_ABP.set_parameters( para,p_RTV,&light_color[0] );
g_ABP.set_input_buffer( &g_GBuffer );
g_ABP.OnD3D10FrameRender(render_ogre,render_scene,g_SampleUI,g_MeshScene,fSubLightSize,ssmap,g_CameraRef,local_cam,pDev10,fTime,fElapsedTime,pUserContext);
}
else if( ShadowAlgorithm == BP_MSSM_KERNEL )
{
V(g_BPMSSMKernel.m_pEffect->GetVariableByName("fLumiFactor")->AsScalar()->SetFloat( shadow_factor ));
g_BPMSSMKernel.set_parameters( para,p_RTV,&light_color[0] );
g_BPMSSMKernel.set_input_buffer( &g_GBuffer );
g_BPMSSMKernel.OnD3D10FrameRender(render_ogre,render_scene,g_SampleUI,g_MeshScene,fSubLightSize,ssmap,g_CameraRef,local_cam,pDev10,fTime,fElapsedTime,pUserContext);
}
else if( ShadowAlgorithm == STD_VSM )
{
V(g_StdVSM.m_pEffect->GetVariableByName("fLumiFactor")->AsScalar()->SetFloat( shadow_factor ));
g_StdVSM.set_bias( g_fDefaultDepthBias,g_f3rdDepthDelta, g_f1stDepthDelta );
g_StdVSM.set_parameters( para,p_RTV,&light_color[0] );
g_StdVSM.set_input_buffer( &g_GBuffer );
g_StdVSM.OnD3D10FrameRender(render_ogre,render_scene,g_SampleUI,g_MeshScene,fSubLightSize,ssmap,g_CameraRef,local_cam,pDev10,fTime,fElapsedTime,pUserContext);
}
else if( ShadowAlgorithm == MIP_VSM )
{
V(g_MipVSM.m_pEffect->GetVariableByName("fLumiFactor")->AsScalar()->SetFloat( shadow_factor ));
g_MipVSM.set_parameters( para,p_RTV,&light_color[0] );
g_MipVSM.set_input_buffer( &g_GBuffer );
g_MipVSM.OnD3D10FrameRender(render_ogre,render_scene,g_SampleUI,g_MeshScene,fSubLightSize,ssmap,g_CameraRef,local_cam,pDev10,fTime,fElapsedTime,pUserContext);
}
else if( ShadowAlgorithm == STD_PCSS )
{
V(g_PCSS.m_pEffect->GetVariableByName("fLumiFactor")->AsScalar()->SetFloat( shadow_factor ));
g_PCSS.set_parameters( para,p_RTV,&light_color[0] );
g_PCSS.set_input_buffer( &g_GBuffer );
g_PCSS.OnD3D10FrameRender(render_ogre,render_scene,g_SampleUI,g_MeshScene,fSubLightSize,ssmap,g_CameraRef,local_cam,pDev10,fTime,fElapsedTime,pUserContext);
}
//alpha blending restore
pDev10->OMSetBlendState( g_Blender.pOriginalBlendState, g_Blender.OriginalBlendFactor, g_Blender.OriginalSampleMask );
if( g_SampleUI.GetCheckBox( IDC_SHOW_3DWIDGET )->GetChecked() )
{
if( g_pCamManager->Camera(cam_idx)->GetCamType() == S3UTCamera::eLight&&
g_pCamManager->Camera(cam_idx)->IsActive() )
{
pDev10->OMSetRenderTargets(1, &(g_pWidgetBuffer->m_pRTView), g_GBuffer.m_pDepthBuffer->m_pDSView);
g_Widget.m_pSsmap = &ssmap;
g_Widget.OnD3D10FrameRender(pDev10,g_CameraRef,local_cam);
}
}
}
}
}
}
//-----------------------------------------------------------------------------------
D3DXMATRIX mMatrixScale;
D3DXMATRIX mMatrixScaleWVP;
D3DXMatrixScaling( &mMatrixScale,(FLOAT)5,(FLOAT)5,(FLOAT)5 );
D3DXMatrixMultiply( &mMatrixScaleWVP, &mMatrixScale, &mWorldViewProj );
ID3D10RenderTargetView* pOrigRTV = DXUTGetD3D10RenderTargetView();
pDev10->OMSetRenderTargets(1,&pOrigRTV,NULL);
float FinalClearColor[4] = { 1, 0, 0, 1 };
pDev10->ClearRenderTargetView(pOrigRTV, FinalClearColor);
g_MeshScene.set_parameters( render_ogre,render_scene, render_fan );
g_Final.set_parameters( para, pOrigRTV, NULL, g_pBlendBuffer->m_pSRView, g_pWidgetBuffer->m_pSRView );
S3UTCamera& g_LCameraRef = g_LCamera[0];
g_Final.set_input_buffer( &g_GBuffer );
g_pSkyBox->OnFrameRender( mMatrixScaleWVP );
g_Final.OnD3D10FrameRender(g_SampleUI,g_MeshScene,g_fFilterSize,ssmap,g_CameraRef,g_LCameraRef,pDev10,fTime,fElapsedTime,pUserContext);
g_LCameraRef.SetProjParams(g_fCtrledLightFov, 1.0, g_fCtrledLightZn, g_fCtrledLightZf);
//if( g_SampleUI.GetCheckBox( IDC_SHOW_3DWIDGET )->GetChecked() )
//{
// for( int cam_idx = 0; cam_idx < g_pCamManager->CameraCount(); ++cam_idx )
// {
// // rendering a subdivided light
// if( g_pCamManager->Camera(cam_idx)->GetCamType() == S3UTCamera::eLight&&
// g_pCamManager->Camera(cam_idx)->IsActive() )
// {
// g_Widget.m_pSsmap = &ssmap;
// g_Widget.OnD3D10FrameRender(pDev10,g_CameraRef,*(g_pCamManager->Camera(cam_idx)));
// }
// }
//}
// render UI
if (g_bShowUI)
{
RenderText();
g_SampleUI.OnRender(fElapsedTime);
//g_HUD.OnRender(fElapsedTime);
}
if( g_bShowLightUI )
{
g_CameraUI.OnRender(fElapsedTime);
}
if( g_SampleUI.GetCheckBox( IDC_FRAME_DUMP )->GetChecked() )
{
static int g_Frame = 0;
IDXGISwapChain* pSwapChain = DXUTGetDXGISwapChain();
ID3D10Texture2D* pRT;
pSwapChain->GetBuffer(0, __uuidof(pRT), reinterpret_cast<void**>(&pRT));
WCHAR filename[32];
StringCchPrintf(filename, 100, L"DumpedImages\\screenshot%.3d.jpg", g_Frame);
D3DX10SaveTextureToFile(pRT, D3DX10_IFF_JPG, filename);
SAFE_RELEASE(pRT);
++g_Frame;
}
}
