SceneRenderState::SceneRenderState( SceneManager* sceneManager,
ScenePassType passType,
const SceneCameraState& view,
RenderPassManager* renderPass /* = NULL */,
bool usePostEffects /* = true */ )
: mSceneManager( sceneManager ),
mCullingState( sceneManager, view ),
mRenderPass( renderPass ? renderPass : sceneManager->getDefaultRenderPass() ),
mScenePassType( passType ),
mRenderNonLightmappedMeshes( true ),
mRenderLightmappedMeshes( true ),
mUsePostEffects( usePostEffects ),
mDisableAdvancedLightingBins( false ),
mRenderArea( view.getFrustum().getBounds() ),
mAmbientLightColor( sceneManager->getAmbientLightColor() ),
mSceneRenderStyle( SRS_Standard ),
mRenderField( 0 )
{
// Setup the default parameters for the screen metrics methods.
mDiffuseCameraTransform = view.getViewWorldMatrix();
// The vector eye is the camera vector with its
// length normalized to 1 / zFar.
getCameraTransform().getColumn( 1, &mVectorEye );
mVectorEye.normalize( 1.0f / getFarPlane() );
// TODO: What about ortho modes? Is near plane ok
// or do i need to remove it... maybe ortho has a near
// plane of 1 and it just works out?
const Frustum& frustum = view.getFrustum();
const RectI& viewport = view.getViewport();
mWorldToScreenScale.set( ( frustum.getNearDist() * viewport.extent.x ) / ( frustum.getNearRight() - frustum.getNearLeft() ),
( frustum.getNearDist() * viewport.extent.y ) / ( frustum.getNearTop() - frustum.getNearBottom() ) );
// Assign shared matrix data to the render pass.
mRenderPass->assignSharedXform( RenderPassManager::View, view.getWorldViewMatrix() );
mRenderPass->assignSharedXform( RenderPassManager::Projection, view.getProjectionMatrix() );
}
void OcclusionVolume::buildSilhouette( const SceneCameraState& cameraState, Vector< Point3F >& outPoints )
{
// Extract the silhouette of the polyhedron. This works differently
// depending on whether we project orthogonally or in perspective.
TempAlloc< U32 > indices( mPolyhedron.getNumPoints() );
U32 numPoints;
if( cameraState.getFrustum().isOrtho() )
{
// Transform the view direction into object space.
Point3F osViewDir;
getWorldTransform().mulV( cameraState.getViewDirection(), &osViewDir );
// And extract the silhouette.
SilhouetteExtractorOrtho< PolyhedronType > extractor( mPolyhedron );
numPoints = extractor.extractSilhouette( osViewDir, indices, indices.size );
}
else
{
// Create a transform to go from view space to object space.
MatrixF camView( true );
camView.scale( Point3F( 1.0f / getScale().x, 1.0f / getScale().y, 1.0f / getScale().z ) );
camView.mul( getRenderWorldTransform() );
camView.mul( cameraState.getViewWorldMatrix() );
// Do a perspective-correct silhouette extraction.
numPoints = mSilhouetteExtractor.extractSilhouette(
camView,
indices, indices.size );
}
// If we haven't yet, transform the polyhedron's points
// to world space.
if( mTransformDirty )
{
const U32 numPoints = mPolyhedron.getNumPoints();
const PolyhedronType::PointType* points = getPolyhedron().getPoints();
mWSPoints.setSize( numPoints );
for( U32 i = 0; i < numPoints; ++ i )
{
Point3F p = points[ i ];
p.convolve( getScale() );
getTransform().mulP( p, &mWSPoints[ i ] );
}
mTransformDirty = false;
}
// Now store the points.
outPoints.setSize( numPoints );
for( U32 i = 0; i < numPoints; ++ i )
outPoints[ i ] = mWSPoints[ indices[ i ] ];
}
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;
}