void PlaneReflector::updateReflection( const ReflectParams ¶ms )
{
PROFILE_SCOPE(PlaneReflector_updateReflection);
GFXDEBUGEVENT_SCOPE( PlaneReflector_updateReflection, ColorI::WHITE );
mIsRendering = true;
S32 texDim = mDesc->texSize;
texDim = getMax( texDim, 32 );
// Protect against the reflection texture being bigger
// than the current game back buffer.
texDim = getMin( texDim, params.viewportExtent.x );
texDim = getMin( texDim, params.viewportExtent.y );
bool texResize = ( texDim != mLastTexSize );
mLastTexSize = texDim;
const Point2I texSize( texDim, texDim );
if ( texResize ||
reflectTex.isNull() ||
reflectTex->getFormat() != REFLECTMGR->getReflectFormat() )
reflectTex = REFLECTMGR->allocRenderTarget( texSize );
GFXTexHandle depthBuff = LightShadowMap::_getDepthTarget( texSize.x, texSize.y );
// store current matrices
GFXTransformSaver saver;
Point2I viewport(params.viewportExtent);
if(GFX->getCurrentRenderStyle() == GFXDevice::RS_StereoSideBySide)
{
viewport.x *= 0.5f;
}
F32 aspectRatio = F32( viewport.x ) / F32( viewport.y );
Frustum frustum;
frustum.set(false, params.query->fov, aspectRatio, params.query->nearPlane, params.query->farPlane);
// Manipulate the frustum for tiled screenshots
const bool screenShotMode = gScreenShot && gScreenShot->isPending();
if ( screenShotMode )
gScreenShot->tileFrustum( frustum );
GFX->setFrustum( frustum );
// Store the last view info for scoring.
mLastDir = params.query->cameraMatrix.getForwardVector();
mLastPos = params.query->cameraMatrix.getPosition();
setGFXMatrices( params.query->cameraMatrix );
// Adjust the detail amount
F32 detailAdjustBackup = TSShapeInstance::smDetailAdjust;
TSShapeInstance::smDetailAdjust *= mDesc->detailAdjust;
if(reflectTarget.isNull())
reflectTarget = GFX->allocRenderToTextureTarget();
reflectTarget->attachTexture( GFXTextureTarget::Color0, reflectTex );
reflectTarget->attachTexture( GFXTextureTarget::DepthStencil, depthBuff );
GFX->pushActiveRenderTarget();
GFX->setActiveRenderTarget( reflectTarget );
U32 objTypeFlag = -1;
SceneCameraState reflectCameraState = SceneCameraState::fromGFX();
LIGHTMGR->registerGlobalLights( &reflectCameraState.getFrustum(), false );
// Since we can sometime be rendering a reflection for 1 or 2 frames before
// it gets updated do to the lag associated with getting the results from
// a HOQ we can sometimes see into parts of the reflection texture that
// have nothing but clear color ( eg. under the water ).
// To make this look less crappy use the ambient color of the sun.
//
// In the future we may want to fix this instead by having the scatterSky
// render a skirt or something in its lower half.
//
ColorF clearColor = gClientSceneGraph->getAmbientLightColor();
GFX->clear( GFXClearZBuffer | GFXClearStencil | GFXClearTarget, clearColor, 1.0f, 0 );
if(GFX->getCurrentRenderStyle() == GFXDevice::RS_StereoSideBySide)
{
// Store previous values
RectI originalVP = GFX->getViewport();
Point2F projOffset = GFX->getCurrentProjectionOffset();
Point3F eyeOffset = GFX->getStereoEyeOffset();
// Render left half of display
RectI leftVP = originalVP;
leftVP.extent.x *= 0.5;
GFX->setViewport(leftVP);
MatrixF leftWorldTrans(true);
leftWorldTrans.setPosition(Point3F(eyeOffset.x, eyeOffset.y, eyeOffset.z));
MatrixF leftWorld(params.query->cameraMatrix);
leftWorld.mulL(leftWorldTrans);
Frustum gfxFrustum = GFX->getFrustum();
gfxFrustum.setProjectionOffset(Point2F(projOffset.x, projOffset.y));
GFX->setFrustum(gfxFrustum);
setGFXMatrices( leftWorld );
SceneCameraState cameraStateLeft = SceneCameraState::fromGFX();
SceneRenderState renderStateLeft( gClientSceneGraph, SPT_Reflect, cameraStateLeft );
renderStateLeft.setSceneRenderStyle(SRS_SideBySide);
renderStateLeft.setSceneRenderField(0);
renderStateLeft.getMaterialDelegate().bind( REFLECTMGR, &ReflectionManager::getReflectionMaterial );
renderStateLeft.setDiffuseCameraTransform( params.query->cameraMatrix );
renderStateLeft.disableAdvancedLightingBins(true);
gClientSceneGraph->renderSceneNoLights( &renderStateLeft, objTypeFlag );
// Render right half of display
RectI rightVP = originalVP;
rightVP.extent.x *= 0.5;
rightVP.point.x += rightVP.extent.x;
GFX->setViewport(rightVP);
MatrixF rightWorldTrans(true);
rightWorldTrans.setPosition(Point3F(-eyeOffset.x, eyeOffset.y, eyeOffset.z));
MatrixF rightWorld(params.query->cameraMatrix);
rightWorld.mulL(rightWorldTrans);
gfxFrustum = GFX->getFrustum();
gfxFrustum.setProjectionOffset(Point2F(-projOffset.x, projOffset.y));
GFX->setFrustum(gfxFrustum);
setGFXMatrices( rightWorld );
SceneCameraState cameraStateRight = SceneCameraState::fromGFX();
SceneRenderState renderStateRight( gClientSceneGraph, SPT_Reflect, cameraStateRight );
renderStateRight.setSceneRenderStyle(SRS_SideBySide);
renderStateRight.setSceneRenderField(1);
renderStateRight.getMaterialDelegate().bind( REFLECTMGR, &ReflectionManager::getReflectionMaterial );
renderStateRight.setDiffuseCameraTransform( params.query->cameraMatrix );
renderStateRight.disableAdvancedLightingBins(true);
gClientSceneGraph->renderSceneNoLights( &renderStateRight, objTypeFlag );
// Restore previous values
gfxFrustum.clearProjectionOffset();
GFX->setFrustum(gfxFrustum);
GFX->setViewport(originalVP);
}
else
{
SceneRenderState reflectRenderState
(
gClientSceneGraph,
SPT_Reflect,
SceneCameraState::fromGFX()
);
reflectRenderState.getMaterialDelegate().bind( REFLECTMGR, &ReflectionManager::getReflectionMaterial );
reflectRenderState.setDiffuseCameraTransform( params.query->cameraMatrix );
reflectRenderState.disableAdvancedLightingBins(true);
gClientSceneGraph->renderSceneNoLights( &reflectRenderState, objTypeFlag );
}
LIGHTMGR->unregisterAllLights();
// Clean up.
reflectTarget->resolve();
GFX->popActiveRenderTarget();
// Restore detail adjust amount.
TSShapeInstance::smDetailAdjust = detailAdjustBackup;
mIsRendering = false;
}
void CubeReflector::updateFace( const ReflectParams ¶ms, U32 faceidx )
{
GFXDEBUGEVENT_SCOPE( CubeReflector_UpdateFace, ColorI::WHITE );
// store current matrices
GFXTransformSaver saver;
// set projection to 90 degrees vertical and horizontal
F32 left, right, top, bottom;
MathUtils::makeFrustum( &left, &right, &top, &bottom, M_HALFPI_F, 1.0f, mDesc->nearDist );
GFX->setFrustum( left, right, bottom, top, mDesc->nearDist, mDesc->farDist );
// We don't use a special clipping projection, but still need to initialize
// this for objects like SkyBox which will use it during a reflect pass.
gClientSceneGraph->setNonClipProjection( GFX->getProjectionMatrix() );
// Standard view that will be overridden below.
VectorF vLookatPt(0.0f, 0.0f, 0.0f), vUpVec(0.0f, 0.0f, 0.0f), vRight(0.0f, 0.0f, 0.0f);
switch( faceidx )
{
case 0 : // D3DCUBEMAP_FACE_POSITIVE_X:
vLookatPt = VectorF( 1.0f, 0.0f, 0.0f );
vUpVec = VectorF( 0.0f, 1.0f, 0.0f );
break;
case 1 : // D3DCUBEMAP_FACE_NEGATIVE_X:
vLookatPt = VectorF( -1.0f, 0.0f, 0.0f );
vUpVec = VectorF( 0.0f, 1.0f, 0.0f );
break;
case 2 : // D3DCUBEMAP_FACE_POSITIVE_Y:
vLookatPt = VectorF( 0.0f, 1.0f, 0.0f );
vUpVec = VectorF( 0.0f, 0.0f,-1.0f );
break;
case 3 : // D3DCUBEMAP_FACE_NEGATIVE_Y:
vLookatPt = VectorF( 0.0f, -1.0f, 0.0f );
vUpVec = VectorF( 0.0f, 0.0f, 1.0f );
break;
case 4 : // D3DCUBEMAP_FACE_POSITIVE_Z:
vLookatPt = VectorF( 0.0f, 0.0f, 1.0f );
vUpVec = VectorF( 0.0f, 1.0f, 0.0f );
break;
case 5: // D3DCUBEMAP_FACE_NEGATIVE_Z:
vLookatPt = VectorF( 0.0f, 0.0f, -1.0f );
vUpVec = VectorF( 0.0f, 1.0f, 0.0f );
break;
}
// create camera matrix
VectorF cross = mCross( vUpVec, vLookatPt );
cross.normalizeSafe();
MatrixF matView(true);
matView.setColumn( 0, cross );
matView.setColumn( 1, vLookatPt );
matView.setColumn( 2, vUpVec );
matView.setPosition( mObject->getPosition() );
matView.inverse();
GFX->setWorldMatrix(matView);
renderTarget->attachTexture( GFXTextureTarget::Color0, cubemap, faceidx );
GFX->setActiveRenderTarget( renderTarget );
GFX->clear( GFXClearStencil | GFXClearTarget | GFXClearZBuffer, gCanvasClearColor, 1.0f, 0 );
SceneRenderState reflectRenderState
(
gClientSceneGraph,
SPT_Reflect,
SceneCameraState::fromGFX()
);
reflectRenderState.getMaterialDelegate().bind( REFLECTMGR, &ReflectionManager::getReflectionMaterial );
reflectRenderState.setDiffuseCameraTransform( params.query->cameraMatrix );
reflectRenderState.disableAdvancedLightingBins(true);
// render scene
LIGHTMGR->registerGlobalLights( &reflectRenderState.getCullingFrustum(), false );
gClientSceneGraph->renderSceneNoLights( &reflectRenderState, mDesc->objectTypeMask );
LIGHTMGR->unregisterAllLights();
// Clean up.
renderTarget->resolve();
}