void Storm3D_SpotlightShared::setClipPlanes(const float *cameraView)
{
D3DXMATRIX m(cameraView);
float determinant = D3DXMatrixDeterminant(&m);
D3DXMatrixInverse(&m, &determinant, &m);
D3DXMatrixTranspose(&m, &m);
D3DXVECTOR3 d(direction.x, direction.y, direction.z);
VC2 bd(d.x, d.z);
bd.Normalize();
D3DXVECTOR3 p1(position.x - 8*bd.x, position.y, position.z - 8*bd.y);
//D3DXVECTOR3 p1(position.x - 1*bd.x, position.y, position.z - 1*bd.y);
D3DXVECTOR3 p2(p1.x, p1.y + 5.f, p1.z);
float angle = D3DXToRadian(fov) * .55f;
D3DXPLANE leftPlane;
D3DXMATRIX leftTransform;
D3DXMatrixRotationY(&leftTransform, -angle);
D3DXVECTOR3 leftPoint(direction.x, 0, direction.z);
D3DXVECTOR4 leftPoint2;
D3DXVec3Transform(&leftPoint2, &leftPoint, &leftTransform);
leftPoint = p1;
leftPoint.x += leftPoint2.x;
leftPoint.z += leftPoint2.z;
D3DXPlaneFromPoints(&leftPlane, &p1, &p2, &leftPoint);
D3DXPlaneNormalize(&leftPlane, &leftPlane);
D3DXPlaneTransform(&leftPlane, &leftPlane, &m);
D3DXPLANE rightPlane;
D3DXMATRIX rightTransform;
D3DXMatrixRotationY(&rightTransform, angle);
D3DXVECTOR3 rightPoint(direction.x, 0, direction.z);
D3DXVECTOR4 rightPoint2;
D3DXVec3Transform(&rightPoint2, &rightPoint, &rightTransform);
rightPoint = p1;
rightPoint.x += rightPoint2.x;
rightPoint.z += rightPoint2.z;
D3DXPlaneFromPoints(&rightPlane, &rightPoint, &p2, &p1);
D3DXPlaneNormalize(&rightPlane, &rightPlane);
D3DXPlaneTransform(&rightPlane, &rightPlane, &m);
D3DXPLANE backPlane;
D3DXVECTOR3 pb(p1.x, p1.y, p1.z);
D3DXPlaneFromPointNormal(&backPlane, &pb, &d);
D3DXPlaneNormalize(&backPlane, &backPlane);
D3DXPlaneTransform(&backPlane, &backPlane, &m);
device.SetClipPlane(0, leftPlane);
device.SetClipPlane(1, rightPlane);
device.SetClipPlane(2, backPlane);
device.SetRenderState(D3DRS_CLIPPLANEENABLE, D3DCLIPPLANE0 | D3DCLIPPLANE1 | D3DCLIPPLANE2);
}
TEST( Transform, planeTransformation )
{
// construct a transformation we'll use for testing
Transform trans;
Matrix transformMtx;
{
Matrix m1, m2;
EulerAngles angles;
angles.set( FastFloat::fromFloat( 45.0f ), FastFloat::fromFloat( 60.0f ), FastFloat::fromFloat( -10.0f ) );
m1.setTranslation( Vector( 1, 2, 3 ) );
m2.setRotation( angles );
transformMtx.setMul( m2, m1 );
trans.set( transformMtx );
}
// create a test plane
Plane testPlane;
testPlane.set( Float_1, Float_0, Float_0, FastFloat::fromFloat( 10.0f ) );
// transform the plane
Plane tamyTransformedPlane;
trans.transform( testPlane, tamyTransformedPlane );
// let DX help us generate a transformed plane we can compare our results against
D3DXPLANE dxTransformedPlane;
D3DXMATRIX dxMtx = ( const D3DXMATRIX& )transformMtx;
D3DXMatrixInverse( &dxMtx, NULL, &dxMtx );
D3DXMatrixTranspose( &dxMtx, &dxMtx );
D3DXPlaneTransform( &dxTransformedPlane, ( const D3DXPLANE* )&testPlane, &dxMtx );
COMPARE_PLANE( dxTransformedPlane, tamyTransformedPlane );
}
ETOOLS_API D3DXPLANE* WINAPI
D3DX_PlaneTransform(
D3DXPLANE *pOut,
CONST D3DXPLANE *pP,
CONST D3DXMATRIX *pM)
{
return D3DXPlaneTransform(pOut, pP, pM);
}
void CMirror::updateTransform() {
D3DXMatrixRotationYawPitchRoll(&m_matTrans, m_fAngle[0], m_fAngle[1], m_fAngle[2]);
m_matTrans._41 = 4.f; m_matTrans._42 = 3.f; m_matTrans._43 = 1.f;
D3DXPLANE plane(0.0f, 0.0f, 1.0f, 0.0f);
D3DXMatrixInverse(&m_matMirror, NULL, &m_matTrans);
D3DXMatrixTranspose(&m_matMirror, &m_matMirror);
D3DXPlaneTransform(&plane, &plane, &m_matMirror);
D3DXMatrixReflect(&m_matMirror, &plane);
}
// called before rendering
void Effect::startEffect()
{
if (!m_pEffect) return;
m_clipPlaneChanged = false;
// if a clipping plane is specified, it must be converted to projections space
// the plane is currently assumed to be in world space.
if (gRenderer.getClipPlaneEnable())
{
D3DXMATRIX View, Projection,ViewProj;
D3DXPLANE projPlane, worldPlane;
//D3DXVECTOR4 projClipPlane;
gRenderer.getClipPlane(&m_oldClipPlane);
worldPlane.a = m_oldClipPlane.a;
worldPlane.b = m_oldClipPlane.b;
worldPlane.c = m_oldClipPlane.c;
worldPlane.d = m_oldClipPlane.d;
// get all matrices from device
pD3DDevice->GetTransform(D3DTS_VIEW, & View);
pD3DDevice->GetTransform(D3DTS_PROJECTION, & Projection);
// multiply them
ViewProj = View * Projection;
//worldPlane.y *= -1;
D3DXPlaneNormalize(&worldPlane, &worldPlane);
D3DXMatrixInverse(&ViewProj, NULL ,&ViewProj);
D3DXMatrixTranspose(&ViewProj ,&ViewProj);
D3DXPlaneTransform(&projPlane, &worldPlane, &ViewProj);
D3DXPlaneNormalize(&projPlane, &projPlane);
Plane passIn(projPlane.a, projPlane.b, projPlane.c, projPlane.d);
gRenderer.setClipPlane(passIn);
m_clipPlaneChanged = true;
}
m_pEffect->Begin(0,0);
m_pEffect->BeginPass(0);
m_pEffect->CommitChanges();
}
// 카메라에 따라 occlusion의 평면을 갱신한다.
void ROcclusionList::UpdateCamera(rmatrix &matWorld,rvector &cameraPos)
{
// TODO : matWorld 가 identity 가 아닌경우 검증이 안되어있음
float fDet;
rmatrix invWorld;
D3DXMatrixInverse(&invWorld,&fDet,&matWorld);
// camera 의 좌표를 local로 가져온다
rvector localCameraPos;
D3DXVec3TransformCoord(&localCameraPos,&cameraPos,&invWorld);
rmatrix trInvMat;
D3DXMatrixTranspose(&trInvMat, &invWorld);
for(ROcclusionList::iterator i=begin();i!=end();i++)
{
ROcclusion *poc=*i;
bool bm_pPositive=D3DXPlaneDotCoord(&poc->plane,&localCameraPos)>0;
// 로컬의 평면의 방정식을 월드로 가져가고 싶다. matWorld 로 변환하면되는데,
// D3DXPlaneTransform 의 사용법이 변환행렬의 inverse transpose 매트릭스를 넘겨줘야하므로
// tr(inv(matWorld)) 가 되므로 결국 tr(mat) 가 된다
D3DXPlaneTransform(poc->pPlanes,poc->pPlanes,&trInvMat);
poc->pPlanes[0] = bm_pPositive ? poc->plane : -poc->plane;
for(int j=0;j<poc->nCount;j++)
{
if(bm_pPositive)
D3DXPlaneFromPoints(poc->pPlanes+j+1,&poc->pVertices[j],&poc->pVertices[(j+1)%poc->nCount],&localCameraPos);
else
D3DXPlaneFromPoints(poc->pPlanes+j+1,&poc->pVertices[(j+1)%poc->nCount],&poc->pVertices[j],&localCameraPos);
// 로컬의 평면의 방정식을 월드로 가져가고 싶다. 위와 같다
D3DXPlaneTransform(poc->pPlanes+j+1,poc->pPlanes+j+1,&trInvMat);
}
}
}
/*************************************************************************
* D3DXPlaneTransformArray
*/
D3DXPLANE* WINAPI D3DXPlaneTransformArray(
D3DXPLANE* out, UINT outstride, CONST D3DXPLANE* in, UINT instride,
CONST D3DXMATRIX* matrix, UINT elements)
{
UINT i;
TRACE("\n");
for (i = 0; i < elements; ++i) {
D3DXPlaneTransform(
(D3DXPLANE*)((char*)out + outstride * i),
(CONST D3DXPLANE*)((const char*)in + instride * i),
matrix);
}
return out;
}
OPENGL_API void WINAPI glClipPlane (GLenum plane, const GLdouble *equation)
{
int planeIndex = plane - GL_CLIP_PLANE0;
if (planeIndex < 0 || planeIndex >= IMPL_MAX_CLIP_PLANES) {
D3DGlobal.lastError = E_INVALIDARG;
return;
}
D3DXPLANE d3dxPlane((GLfloat)equation[0],
(GLfloat)equation[1],
(GLfloat)equation[2],
(GLfloat)equation[3]);
D3DXPLANE d3dxTPlane;
D3DXPlaneTransform( &d3dxTPlane, &d3dxPlane, D3DGlobal.modelviewMatrixStack->top().invtrans() );
memcpy( D3DState.TransformState.clipPlane[planeIndex], &d3dxTPlane, sizeof(D3DXPLANE));
D3DState.TransformState.clipPlaneModified[planeIndex] = TRUE;
if (D3DState.EnableState.clipPlaneEnableMask & (1 << planeIndex))
D3DState.TransformState.clippingModified = TRUE;
}
void DistantLand::renderWaterReflection(const D3DXMATRIX *view, const D3DXMATRIX *proj)
{
DECLARE_MWBRIDGE
// Switch to render target
RenderTargetSwitcher rtsw(texReflection, surfReflectionZ);
device->Clear(0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, horizonCol, 1.0, 0);
// Calculate reflected view matrix, mirror plane at water mesh level
D3DXMATRIX reflView;
D3DXPLANE plane(0, 0, 1.0, -(mwBridge->WaterLevel() - 1.0));
D3DXMatrixReflect(&reflView, &plane);
D3DXMatrixMultiply(&reflView, &reflView, view);
effect->SetMatrix(ehView, &reflView);
// Calculate new projection
D3DXMATRIX reflProj = *proj;
editProjectionZ(&reflProj, 4.0, Configuration.DL.DrawDist * kCellSize);
effect->SetMatrix(ehProj, &reflProj);
// Clipping setup
D3DXMATRIX clipMat;
// Clip geometry on opposite side of water plane
plane *= mwBridge->IsUnderwater(eyePos.z) ? -1.0 : 1.0;
// If using dynamic ripples, the water level can be lowered by up to 0.5 * waveheight
// so move clip plane downwards at the cost of some reflection errors
if(Configuration.MGEFlags & DYNAMIC_RIPPLES)
plane.d += 0.5 * Configuration.DL.WaterWaveHeight;
// Doing inverses separately is a lot more numerically stable
D3DXMatrixInverse(&clipMat, 0, &reflView);
D3DXMatrixTranspose(&clipMat, &clipMat);
D3DXPlaneTransform(&plane, &plane, &clipMat);
D3DXMatrixInverse(&clipMat, 0, &reflProj);
D3DXMatrixTranspose(&clipMat, &clipMat);
D3DXPlaneTransform(&plane, &plane, &clipMat);
if(visDistant.size() == 0)
{
// Workaround for a Direct3D bug with clipping planes, where SetClipPlane
// has no effect on the shader pipeline if the last rendered draw call was using
// the fixed function pipeline. This is usually covered by distant statics, but
// not in compact interiors where all distant statics may be culled.
// Provoking a DrawPrimitive with shader here makes the following SetClipPlane work.
effect->BeginPass(PASS_WORKAROUND);
device->SetVertexDeclaration(WaterDecl);
device->SetStreamSource(0, vbFullFrame, 0, 12);
device->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);
effect->EndPass();
}
device->SetClipPlane(0, plane);
device->SetRenderState(D3DRS_CLIPPLANEENABLE, 1);
// Rendering
if(mwBridge->IsExterior() && (Configuration.MGEFlags & REFLECTIVE_WATER))
{
// Draw land reflection, with opposite culling
effect->BeginPass(PASS_RENDERLANDREFL);
device->SetRenderState(D3DRS_CULLMODE, D3DCULL_CCW);
renderDistantLand(effect, &reflView, &reflProj);
effect->EndPass();
}
if(isDistantCell() && (Configuration.MGEFlags & REFLECT_NEAR))
{
// Draw statics reflection, with opposite culling and no dissolve
DWORD p = (mwBridge->CellHasWeather() && !mwBridge->IsUnderwater(eyePos.z)) ? PASS_RENDERSTATICSEXTERIOR : PASS_RENDERSTATICSINTERIOR;
effect->SetFloat(ehNearViewRange, 0);
effect->BeginPass(p);
device->SetRenderState(D3DRS_CULLMODE, D3DCULL_CCW);
renderReflectedStatics(&reflView, &reflProj);
effect->EndPass();
effect->SetFloat(ehNearViewRange, nearViewRange);
}
if((Configuration.MGEFlags & REFLECT_SKY) && !recordSky.empty() && !mwBridge->IsUnderwater(eyePos.z))
{
// Draw sky reflection, with opposite culling
effect->BeginPass(PASS_RENDERSKY);
device->SetRenderState(D3DRS_CULLMODE, D3DCULL_CCW);
renderReflectedSky();
effect->EndPass();
}
// Restore view state
device->SetRenderState(D3DRS_CLIPPLANEENABLE, 0);
effect->SetMatrix(ehView, view);
effect->SetMatrix(ehProj, proj);
}
void Render(float alpha, float elapsedtime)
{
static float time = 0;
LPDIRECT3DSURFACE9 backbuffer = 0;
D3DXMATRIX view, proj, viewproj;
D3DXMATRIX world, inv;
D3DXVECTOR4 texelsize;
D3DXVECTOR4 lightpos(-600, 350, 1000, 1);
D3DXVECTOR4 refllight;
D3DXVECTOR3 eye(0, 0, -5.0f);
D3DXVECTOR3 look(0, 1.2f, 0);
D3DXVECTOR3 refleye, refllook;
D3DXVECTOR3 up(0, 1, 0);
D3DXVECTOR2 orient = cameraangle.smooth(alpha);
D3DXMatrixRotationYawPitchRoll(&view, orient.x, orient.y, 0);
D3DXVec3TransformCoord(&eye, &eye, &view);
eye.y += 1.2f;
D3DXMatrixPerspectiveFovLH(&proj, D3DX_PI / 2, (float)screenwidth / (float)screenheight, 0.1f, 30);
time += elapsedtime;
if( SUCCEEDED(device->BeginScene()) )
{
device->GetRenderTarget(0, &backbuffer);
// STEP 1: render reflection texture
device->SetRenderTarget(0, reflectsurf);
device->Clear(0, NULL, D3DCLEAR_TARGET|D3DCLEAR_ZBUFFER, 0xff6694ed, 1.0f, 0);
D3DXPLANE plane(0, 1, 0, 1);
refleye = eye - 2 * D3DXPlaneDotCoord(&plane, &eye) * (D3DXVECTOR3&)plane;
refllook = look - 2 * D3DXPlaneDotCoord(&plane, &look) * (D3DXVECTOR3&)plane;
refllight = lightpos - 2 * D3DXPlaneDot(&plane, &lightpos) * (D3DXVECTOR4&)plane;
refllight.w = 1;
D3DXMatrixLookAtLH(&view, &refleye, &refllook, &up);
D3DXMatrixMultiply(&viewproj, &view, &proj);
D3DXMatrixInverse(&inv, 0, &viewproj);
D3DXMatrixTranspose(&inv, &inv);
D3DXPlaneTransform(&plane, &plane, &inv);
device->SetClipPlane(0, &plane.a);
RenderScene(viewproj, refleye, refllight, true);
// STEP 2: render scene (later used for refraction)
D3DXMatrixLookAtLH(&view, &eye, &look, &up);
D3DXMatrixMultiply(&viewproj, &view, &proj);
device->SetRenderTarget(0, refractsurf);
device->Clear(0, NULL, D3DCLEAR_TARGET|D3DCLEAR_ZBUFFER, 0xff6694ed, 1.0f, 0);
RenderScene(viewproj, eye, lightpos, false);
// render water surface into alpha channel for masking
device->SetRenderState(D3DRS_COLORWRITEENABLE, D3DCOLORWRITEENABLE_ALPHA);
D3DXMatrixTranslation(&world, 0, -1, 0);
device->SetTransform(D3DTS_WORLD, &world);
device->SetTransform(D3DTS_VIEW, &view);
device->SetTransform(D3DTS_PROJECTION, &proj);
waterplane->DrawSubset(0, DXObject::Opaque);
device->SetRenderState(D3DRS_COLORWRITEENABLE, 0x0f);
// STEP 3: light shafts
quadvertices[6] = quadvertices[24] = quadvertices[30] = (float)screenwidth - 0.5f;
quadvertices[13] = quadvertices[19] = quadvertices[31] = (float)screenheight - 0.5f;
RenderLightShafts(view, proj, eye, lightpos);
// STEP 4: gamma correct
device->SetRenderTarget(0, sceneldrsurf);
device->SetRenderState(D3DRS_ZENABLE, FALSE);
device->SetVertexDeclaration(quaddecl);
bloom->SetTechnique("gammacorrect");
bloom->Begin(0, 0);
bloom->BeginPass(0);
{
device->SetTexture(0, refraction);
device->DrawPrimitiveUP(D3DPT_TRIANGLELIST, 2, quadvertices, 6 * sizeof(float));
}
bloom->EndPass();
bloom->End();
device->SetRenderState(D3DRS_ZENABLE, TRUE);
// STEP 5: water surface
device->SetRenderState(D3DRS_SRGBWRITEENABLE, TRUE);
D3DXMatrixTranslation(&world, 0, -1, 0);
D3DXMatrixIdentity(&inv);
water->SetMatrix("matViewProj", &viewproj);
water->SetMatrix("matWorld", &world);
water->SetMatrix("matWorldInv", &inv);
water->SetVector("eyePos", (D3DXVECTOR4*)&eye);
water->SetVector("lightPos", &lightpos);
water->SetVector("lightColor", &lightcolor);
water->SetFloat("time", time);
water->Begin(0, 0);
water->BeginPass(0);
{
device->SetTexture(0, refraction);
device->SetTexture(1, reflection);
device->SetTexture(2, waves);
waterplane->DrawSubset(0, DXObject::Opaque);
}
water->EndPass();
water->End();
device->SetRenderState(D3DRS_SRGBWRITEENABLE, FALSE);
// STEP 6: downsample & blur
quadvertices[6] = quadvertices[24] = quadvertices[30] = (float)screenwidth * 0.5f - 0.5f;
quadvertices[13] = quadvertices[19] = quadvertices[31] = (float)screenheight * 0.5f - 0.5f;
device->SetRenderTarget(0, bloomsurf1);
device->SetRenderState(D3DRS_ZENABLE, FALSE);
device->SetVertexDeclaration(quaddecl);
texelsize.x = 1.0f / screenwidth;
texelsize.y = 1.0f / screenheight;
bloom->SetTechnique("downsample");
bloom->SetVector("texelSize", &texelsize);
bloom->Begin(0, 0);
bloom->BeginPass(0);
{
device->SetTexture(0, sceneldr);
device->DrawPrimitiveUP(D3DPT_TRIANGLELIST, 2, quadvertices, 6 * sizeof(float));
}
bloom->EndPass();
bloom->End();
device->SetRenderTarget(0, bloomsurf2);
texelsize.x = 2.0f / screenwidth;
texelsize.y = 2.0f / screenheight;
bloom->SetTechnique("blur");
bloom->SetVector("texelSize", &texelsize);
bloom->Begin(0, 0);
bloom->BeginPass(0);
{
device->SetTexture(0, bloomtex1);
device->DrawPrimitiveUP(D3DPT_TRIANGLELIST, 2, quadvertices, 6 * sizeof(float));
}
bloom->EndPass();
bloom->End();
// STEP 7: add light shafts
quadvertices[6] = quadvertices[24] = quadvertices[30] = (float)screenwidth - 0.5f;
quadvertices[13] = quadvertices[19] = quadvertices[31] = (float)screenheight - 0.5f;
device->SetRenderTarget(0, backbuffer);
godray->SetTechnique("final");
godray->Begin(0, 0);
godray->BeginPass(0);
{
device->SetTexture(0, sceneldr);
device->SetTexture(1, occluders);
device->SetTexture(2, bloomtex2);
device->DrawPrimitiveUP(D3DPT_TRIANGLELIST, 2, quadvertices, 6 * sizeof(float));
}
godray->EndPass();
godray->End();
backbuffer->Release();
device->SetRenderState(D3DRS_ZENABLE, TRUE);
device->EndScene();
}
device->Present(NULL, NULL, NULL, NULL);
}
