void CloudLayer::renderObject( ObjectRenderInst *ri, SceneRenderState *state, BaseMatInstance *mi )
{
GFXTransformSaver saver;
const Point3F &camPos = state->getCameraPosition();
MatrixF xfm(true);
xfm.setPosition(camPos);
GFX->multWorld(xfm);
if ( state->isReflectPass() )
GFX->setProjectionMatrix( state->getSceneManager()->getNonClipProjection() );
GFX->setShader( mShader );
GFX->setShaderConstBuffer( mShaderConsts );
GFX->setStateBlock( mStateblock );
// Set all the shader consts...
MatrixF xform(GFX->getProjectionMatrix());
xform *= GFX->getViewMatrix();
xform *= GFX->getWorldMatrix();
mShaderConsts->setSafe( mModelViewProjSC, xform );
mShaderConsts->setSafe( mEyePosWorldSC, camPos );
LightInfo *lightinfo = LIGHTMGR->getSpecialLight(LightManager::slSunLightType);
const ColorF &sunlight = state->getAmbientLightColor();
Point3F ambientColor( sunlight.red, sunlight.green, sunlight.blue );
mShaderConsts->setSafe( mAmbientColorSC, ambientColor );
const ColorF &sunColor = lightinfo->getColor();
Point3F data( sunColor.red, sunColor.green, sunColor.blue );
mShaderConsts->setSafe( mSunColorSC, data );
mShaderConsts->setSafe( mSunVecSC, lightinfo->getDirection() );
for ( U32 i = 0; i < TEX_COUNT; i++ )
mShaderConsts->setSafe( mTexOffsetSC[i], mTexOffset[i] );
Point3F scale( mTexScale[0], mTexScale[1], mTexScale[2] );
mShaderConsts->setSafe( mTexScaleSC, scale );
Point3F color;
color.set( mBaseColor.red, mBaseColor.green, mBaseColor.blue );
mShaderConsts->setSafe( mBaseColorSC, color );
mShaderConsts->setSafe( mCoverageSC, mCoverage );
mShaderConsts->setSafe( mExposureSC, mExposure );
GFX->setTexture( mNormalHeightMapSC->getSamplerRegister(), mTexture );
GFX->setVertexBuffer( mVB );
GFX->setPrimitiveBuffer( mPB );
GFX->drawIndexedPrimitive( GFXTriangleList, 0, 0, smVertCount, 0, smTriangleCount );
}
void AdvancedLightBinManager::render( SceneRenderState *state )
{
PROFILE_SCOPE( AdvancedLightManager_Render );
// Take a look at the SceneRenderState and see if we should skip drawing the pre-pass
if( state->disableAdvancedLightingBins() )
return;
// Automagically save & restore our viewport and transforms.
GFXTransformSaver saver;
if( !mLightManager )
return;
// Get the sunlight. If there's no sun, and no lights in the bins, no draw
LightInfo *sunLight = mLightManager->getSpecialLight( LightManager::slSunLightType );
if( !sunLight && mLightBin.empty() )
return;
GFXDEBUGEVENT_SCOPE( AdvancedLightBinManager_Render, ColorI::RED );
// Tell the superclass we're about to render
if ( !_onPreRender( state ) )
return;
// Clear as long as there isn't MRT population of light buffer with lightmap data
if ( !MRTLightmapsDuringPrePass() )
GFX->clear(GFXClearTarget, ColorI(0, 0, 0, 0), 1.0f, 0);
// Restore transforms
MatrixSet &matrixSet = getRenderPass()->getMatrixSet();
matrixSet.restoreSceneViewProjection();
const MatrixF &worldToCameraXfm = matrixSet.getWorldToCamera();
// Set up the SG Data
SceneData sgData;
sgData.init( state );
// There are cases where shadow rendering is disabled.
const bool disableShadows = state->isReflectPass() || ShadowMapPass::smDisableShadows;
// Pick the right material for rendering the sunlight... we only
// cast shadows when its enabled and we're not in a reflection.
LightMaterialInfo *vectorMatInfo;
if ( sunLight &&
sunLight->getCastShadows() &&
!disableShadows &&
sunLight->getExtended<ShadowMapParams>() )
vectorMatInfo = _getLightMaterial( LightInfo::Vector, ShadowType_PSSM, false );
else
vectorMatInfo = _getLightMaterial( LightInfo::Vector, ShadowType_None, false );
// Initialize and set the per-frame parameters after getting
// the vector light material as we use lazy creation.
_setupPerFrameParameters( state );
// Draw sunlight/ambient
if ( sunLight && vectorMatInfo )
{
GFXDEBUGEVENT_SCOPE( AdvancedLightBinManager_Render_Sunlight, ColorI::RED );
// Set up SG data
setupSGData( sgData, state, sunLight );
vectorMatInfo->setLightParameters( sunLight, state, worldToCameraXfm );
// Set light holds the active shadow map.
mShadowManager->setLightShadowMapForLight( sunLight );
// Set geometry
GFX->setVertexBuffer( mFarFrustumQuadVerts );
GFX->setPrimitiveBuffer( NULL );
// Render the material passes
while( vectorMatInfo->matInstance->setupPass( state, sgData ) )
{
vectorMatInfo->matInstance->setSceneInfo( state, sgData );
vectorMatInfo->matInstance->setTransforms( matrixSet, state );
GFX->drawPrimitive( GFXTriangleFan, 0, 2 );
}
}
// Blend the lights in the bin to the light buffer
for( LightBinIterator itr = mLightBin.begin(); itr != mLightBin.end(); itr++ )
{
LightBinEntry& curEntry = *itr;
LightInfo *curLightInfo = curEntry.lightInfo;
LightMaterialInfo *curLightMat = curEntry.lightMaterial;
const U32 numPrims = curEntry.numPrims;
const U32 numVerts = curEntry.vertBuffer->mNumVerts;
// Skip lights which won't affect the scene.
if ( !curLightMat || curLightInfo->getBrightness() <= 0.001f )
continue;
GFXDEBUGEVENT_SCOPE( AdvancedLightBinManager_Render_Light, ColorI::RED );
setupSGData( sgData, state, curLightInfo );
curLightMat->setLightParameters( curLightInfo, state, worldToCameraXfm );
mShadowManager->setLightShadowMap( curEntry.shadowMap );
// Let the shadow know we're about to render from it.
if ( curEntry.shadowMap )
curEntry.shadowMap->preLightRender();
// Set geometry
GFX->setVertexBuffer( curEntry.vertBuffer );
GFX->setPrimitiveBuffer( curEntry.primBuffer );
// Render the material passes
while( curLightMat->matInstance->setupPass( state, sgData ) )
{
// Set transforms
matrixSet.setWorld(*sgData.objTrans);
curLightMat->matInstance->setTransforms(matrixSet, state);
curLightMat->matInstance->setSceneInfo(state, sgData);
if(curEntry.primBuffer)
GFX->drawIndexedPrimitive(GFXTriangleList, 0, 0, numVerts, 0, numPrims);
else
GFX->drawPrimitive(GFXTriangleList, 0, numPrims);
}
// Tell it we're done rendering.
if ( curEntry.shadowMap )
curEntry.shadowMap->postLightRender();
}
// Set NULL for active shadow map (so nothing gets confused)
mShadowManager->setLightShadowMap(NULL);
GFX->setVertexBuffer( NULL );
GFX->setPrimitiveBuffer( NULL );
// Fire off a signal to let others know that light-bin rendering is ending now
getRenderSignal().trigger(state, this);
// Finish up the rendering
_onPostRender();
}
void WaterObject::setShaderParams( SceneRenderState *state, BaseMatInstance *mat, const WaterMatParams ¶mHandles )
{
MaterialParameters* matParams = mat->getMaterialParameters();
matParams->setSafe( paramHandles.mElapsedTimeSC, (F32)Sim::getCurrentTime() / 1000.0f );
// set vertex shader constants
//-----------------------------------
Point2F reflectTexSize( mPlaneReflector.reflectTex.getWidth(), mPlaneReflector.reflectTex.getHeight() );
matParams->setSafe( paramHandles.mReflectTexSizeSC, reflectTexSize );
static AlignedArray<Point2F> mConstArray( MAX_WAVES, sizeof( Point4F ) );
// Ripples...
for ( U32 i = 0; i < MAX_WAVES; i++ )
mConstArray[i].set( -mRippleDir[i].x, -mRippleDir[i].y );
matParams->setSafe( paramHandles.mRippleDirSC, mConstArray );
Point3F rippleSpeed( mRippleSpeed[0], mRippleSpeed[1], mRippleSpeed[2] );
matParams->setSafe( paramHandles.mRippleSpeedSC, rippleSpeed );
Point4F rippleMagnitude( mRippleMagnitude[0],
mRippleMagnitude[1],
mRippleMagnitude[2],
mOverallRippleMagnitude );
matParams->setSafe( paramHandles.mRippleMagnitudeSC, rippleMagnitude );
for ( U32 i = 0; i < MAX_WAVES; i++ )
{
Point2F texScale = mRippleTexScale[i];
if ( texScale.x > 0.0 )
texScale.x = 1.0 / texScale.x;
if ( texScale.y > 0.0 )
texScale.y = 1.0 / texScale.y;
mConstArray[i].set( texScale.x, texScale.y );
}
matParams->setSafe(paramHandles.mRippleTexScaleSC, mConstArray);
static AlignedArray<Point4F> mConstArray4F( 3, sizeof( Point4F ) );
F32 angle, cosine, sine;
for ( U32 i = 0; i < MAX_WAVES; i++ )
{
angle = mAtan2( mRippleDir[i].x, -mRippleDir[i].y );
cosine = mCos( angle );
sine = mSin( angle );
mConstArray4F[i].set( cosine, sine, -sine, cosine );
matParams->setSafe( paramHandles.mRippleMatSC, mConstArray4F );
}
// Waves...
for ( U32 i = 0; i < MAX_WAVES; i++ )
mConstArray[i].set( -mWaveDir[i].x, -mWaveDir[i].y );
matParams->setSafe( paramHandles.mWaveDirSC, mConstArray );
for ( U32 i = 0; i < MAX_WAVES; i++ )
mConstArray[i].set( mWaveSpeed[i], mWaveMagnitude[i] * mOverallWaveMagnitude );
matParams->setSafe( paramHandles.mWaveDataSC, mConstArray );
// Foam...
Point4F foamDir( mFoamDir[0].x, mFoamDir[0].y, mFoamDir[1].x, mFoamDir[1].y );
matParams->setSafe( paramHandles.mFoamDirSC, foamDir );
Point2F foamSpeed( mFoamSpeed[0], mFoamSpeed[1] );
matParams->setSafe( paramHandles.mFoamSpeedSC, foamSpeed );
//Point3F rippleMagnitude( mRippleMagnitude[0] * mOverallRippleMagnitude,
// mRippleMagnitude[1] * mOverallRippleMagnitude,
// mRippleMagnitude[2] * mOverallRippleMagnitude );
//matParams->setSafe( paramHandles.mRippleMagnitudeSC, rippleMagnitude );
Point4F foamTexScale( mFoamTexScale[0].x, mFoamTexScale[0].y, mFoamTexScale[1].x, mFoamTexScale[1].y );
for ( U32 i = 0; i < 4; i++ )
{
if ( foamTexScale[i] > 0.0f )
foamTexScale[i] = 1.0 / foamTexScale[i];
}
matParams->setSafe(paramHandles.mFoamTexScaleSC, foamTexScale);
// Other vert params...
matParams->setSafe( paramHandles.mUndulateMaxDistSC, mUndulateMaxDist );
// set pixel shader constants
//-----------------------------------
Point2F fogParams( mWaterFogData.density, mWaterFogData.densityOffset );
matParams->setSafe(paramHandles.mFogParamsSC, fogParams );
matParams->setSafe(paramHandles.mFarPlaneDistSC, (F32)state->getFarPlane() );
Point2F wetnessParams( mWaterFogData.wetDepth, mWaterFogData.wetDarkening );
matParams->setSafe(paramHandles.mWetnessParamsSC, wetnessParams );
Point3F distortionParams( mDistortStartDist, mDistortEndDist, mDistortFullDepth );
matParams->setSafe(paramHandles.mDistortionParamsSC, distortionParams );
LightInfo *sun = LIGHTMGR->getSpecialLight(LightManager::slSunLightType);
const ColorF &sunlight = state->getAmbientLightColor();
Point3F ambientColor = mEmissive ? Point3F::One : sunlight;
matParams->setSafe(paramHandles.mAmbientColorSC, ambientColor );
matParams->setSafe(paramHandles.mLightDirSC, sun->getDirection() );
Point4F foamParams( mOverallFoamOpacity, mFoamMaxDepth, mFoamAmbientLerp, mFoamRippleInfluence );
matParams->setSafe(paramHandles.mFoamParamsSC, foamParams );
Point4F miscParams( mFresnelBias, mFresnelPower, mClarity, mMiscParamW );
matParams->setSafe( paramHandles.mMiscParamsSC, miscParams );
Point4F specularParams( mSpecularColor.red, mSpecularColor.green, mSpecularColor.blue, mSpecularPower );
if ( !mEmissive )
{
const ColorF &sunColor = sun->getColor();
F32 brightness = sun->getBrightness();
specularParams.x *= sunColor.red * brightness;
specularParams.y *= sunColor.green * brightness;
specularParams.z *= sunColor.blue * brightness;
}
matParams->setSafe( paramHandles.mSpecularParamsSC, specularParams );
matParams->setSafe( paramHandles.mDepthGradMaxSC, mDepthGradientMax );
matParams->setSafe( paramHandles.mReflectivitySC, mReflectivity );
}
void testLightInfo( void ) {
//test LightInfo functionality
Meshdata md;
Node ned;
ned.parent = NullNodeIndex;
md.nodes.push_back(ned);
md.rootNodes.push_back(0);
LightInstance li;
li.lightIndex = 0;
li.parentNode = 0;
//LightInfo
LightInfo info;
info.setCastsShadow(true);
info.setLightAmbientColor(Vector3f(100, 234, 234));
info.setLightDiffuseColor(Vector3f(5, 78, 186));
info.setLightFalloff(32, 65, 23);
info.setLightPower(4);
info.setLightRange(100);
info.setLightShadowColor(Vector3f(67, 45, 23));
info.setLightSpecularColor(Vector3f(32, 54, 76));
info.setLightSpotlightCone(2, 4, 3);
info.setLightType(LightInfo::SPOTLIGHT);
md.lightInstances.push_back(li);
md.lights.push_back(info);
//LightInstanceIterator
LightInstanceIterator lithium = md.getLightInstanceIterator();
uint32 u;
Matrix4x4f m;
//successes
bool success = lithium.next(&u, &m);
TS_ASSERT_EQUALS(success, true);
TS_ASSERT_EQUALS(u, 0);
TS_ASSERT_EQUALS(md.lights[0].mCastsShadow, true);
vAssert(md.lights[0].mAmbientColor, Vector3f(100, 234, 234));
vAssert(md.lights[0].mDiffuseColor, Vector3f(5, 78, 186));
TS_ASSERT_EQUALS(md.lights[0].mConstantFalloff, 32);
TS_ASSERT_EQUALS(md.lights[0].mLinearFalloff, 65);
TS_ASSERT_EQUALS(md.lights[0].mQuadraticFalloff, 23);
TS_ASSERT_EQUALS(md.lights[0].mPower, 4);
TS_ASSERT_EQUALS(md.lights[0].mLightRange, 100);
vAssert(md.lights[0].mShadowColor, Vector3f(67, 45, 23));
vAssert(md.lights[0].mSpecularColor, Vector3f(32, 54, 76));
TS_ASSERT_EQUALS(md.lights[0].mConeInnerRadians, 2);
TS_ASSERT_EQUALS(md.lights[0].mConeOuterRadians, 4);
TS_ASSERT_EQUALS(md.lights[0].mConeFalloff, 3);
TS_ASSERT_EQUALS(md.lights[0].mType, LightInfo::SPOTLIGHT);
}
void LightFlareData::prepRender( SceneState *state, LightFlareState *flareState )
{
PROFILE_SCOPE( LightFlareData_prepRender );
// No elements then nothing to render.
if ( mElementCount == 0 )
return;
// We need these all over the place later.
const Point3F &camPos = state->getCameraPosition();
const RectI &viewport = GFX->getViewport();
const Point3F &lightPos = flareState->lightMat.getPosition();
LightInfo *lightInfo = flareState->lightInfo;
bool isVectorLight = lightInfo->getType() == LightInfo::Vector;
// Perform visibility testing on the light...
// Project the light position from world to screen space, we need this
// position later, and it tells us if it is actually onscreen.
Point3F lightPosSS;
bool onscreen = MathUtils::mProjectWorldToScreen( lightPos, &lightPosSS, viewport, GFX->getWorldMatrix(), gClientSceneGraph->getNonClipProjection() );
U32 visDelta = U32_MAX;
U32 fadeOutTime = 20;
U32 fadeInTime = 125;
// Fade factor based on amount of occlusion.
F32 occlusionFade = 1.0f;
bool lightVisible = true;
if ( !state->isReflectPass() )
{
// It is onscreen, so raycast as a simple occlusion test.
U32 losMask = STATIC_COLLISION_MASK |
ShapeBaseObjectType |
StaticTSObjectType |
ItemObjectType |
PlayerObjectType;
GameConnection *conn = GameConnection::getConnectionToServer();
if ( !conn )
return;
bool needsRaycast = true;
// NOTE: if hardware does not support HOQ it will return NULL
// and we will retry every time but there is not currently a good place
// for one-shot initialization of LightFlareState
if ( flareState->occlusionQuery == NULL )
flareState->occlusionQuery = GFX->createOcclusionQuery();
if ( flareState->fullPixelQuery == NULL )
flareState->fullPixelQuery = GFX->createOcclusionQuery();
if ( flareState->occlusionQuery &&
( ( isVectorLight && flareState->worldRadius > 0.0f ) ||
( !isVectorLight && mOcclusionRadius > 0.0f ) ) )
{
// Always treat light as onscreen if using HOQ
// it will be faded out if offscreen anyway.
onscreen = true;
U32 pixels = -1;
GFXOcclusionQuery::OcclusionQueryStatus status = flareState->occlusionQuery->getStatus( true, &pixels );
String str = flareState->occlusionQuery->statusToString( status );
Con::setVariable( "$Flare::OcclusionStatus", str.c_str() );
Con::setIntVariable( "$Flare::OcclusionVal", pixels );
if ( status == GFXOcclusionQuery::Occluded )
occlusionFade = 0.0f;
if ( status != GFXOcclusionQuery::Unset )
needsRaycast = false;
RenderPassManager *pass = state->getRenderPass();
OccluderRenderInst *ri = pass->allocInst<OccluderRenderInst>();
Point3F scale( Point3F::One );
if ( isVectorLight && flareState->worldRadius > 0.0f )
scale *= flareState->worldRadius;
else
scale *= mOcclusionRadius;
ri->type = RenderPassManager::RIT_Occluder;
ri->query = flareState->occlusionQuery;
ri->query2 = flareState->fullPixelQuery;
ri->position = lightPos;
ri->scale = scale;
ri->orientation = pass->allocUniqueXform( lightInfo->getTransform() );
ri->isSphere = true;
state->getRenderPass()->addInst( ri );
if ( status == GFXOcclusionQuery::NotOccluded )
{
U32 fullPixels;
flareState->fullPixelQuery->getStatus( true, &fullPixels );
occlusionFade = (F32)pixels / (F32)fullPixels;
// Approximation of the full pixel count rather than doing
// two queries, but it is not very accurate.
/*
F32 dist = ( camPos - lightPos ).len();
F32 radius = scale.x;
radius = ( radius / dist ) * state->getWorldToScreenScale().y;
occlusionFade = (F32)pixels / (4.0f * radius * radius);
occlusionFade = mClampF( occlusionFade, 0.0f, 1.0f );
*/
}
}
Con::setFloatVariable( "$Flare::OcclusionFade", occlusionFade );
if ( needsRaycast )
{
// Use a raycast to determine occlusion.
bool fps = conn->isFirstPerson();
GameBase *control = conn->getControlObject();
if ( control && fps )
control->disableCollision();
RayInfo rayInfo;
if ( gClientContainer.castRayRendered( camPos, lightPos, losMask, &rayInfo ) )
occlusionFade = 0.0f;
if ( control && fps )
control->enableCollision();
}
lightVisible = onscreen && occlusionFade > 0.0f;
// To perform a fade in/out when we gain or lose visibility
// we must update/store the visibility state and time.
U32 currentTime = Sim::getCurrentTime();
if ( lightVisible != flareState->visible )
{
flareState->visible = lightVisible;
flareState->visChangedTime = currentTime;
}
// Save this in the state so that we have it during the reflect pass.
flareState->occlusion = occlusionFade;
visDelta = currentTime - flareState->visChangedTime;
}
else // state->isReflectPass()
{
occlusionFade = flareState->occlusion;
lightVisible = flareState->visible;
visDelta = Sim::getCurrentTime() - flareState->visChangedTime;
}
// We can only skip rendering if the light is not visible, and it
// has elapsed the fadeOutTime.
if ( !lightVisible && visDelta > fadeOutTime )
return;
// In a reflection we only render the elements with zero distance.
U32 elementCount = mElementCount;
if ( state->isReflectPass() )
{
elementCount = 0;
for ( ; elementCount < mElementCount; elementCount++ )
{
if ( mElementDist[elementCount] > 0.0f )
break;
}
}
if ( elementCount == 0 )
return;
// A bunch of preparatory math before generating verts...
const Point2I &vpExtent = viewport.extent;
Point3F viewportExtent( vpExtent.x, vpExtent.y, 1.0f );
Point2I halfViewportExtentI( viewport.extent / 2 );
Point3F halfViewportExtentF( (F32)halfViewportExtentI.x * 0.5f, (F32)halfViewportExtentI.y, 0.0f );
Point3F screenCenter( 0,0,0 );
Point3F oneOverViewportExtent( 1.0f / viewportExtent.x, 1.0f / viewportExtent.y, 1.0f );
lightPosSS.y -= viewport.point.y;
lightPosSS *= oneOverViewportExtent;
lightPosSS = ( lightPosSS * 2.0f ) - Point3F::One;
lightPosSS.y = -lightPosSS.y;
lightPosSS.z = 0.0f;
Point3F flareVec( screenCenter - lightPosSS );
F32 flareLength = flareVec.len();
flareVec.normalizeSafe();
Point3F basePoints[4];
basePoints[0] = Point3F( -0.5, 0.5, 0.0 );
basePoints[1] = Point3F( -0.5, -0.5, 0.0 );
basePoints[2] = Point3F( 0.5, -0.5, 0.0 );
basePoints[3] = Point3F( 0.5, 0.5, 0.0 );
Point3F rotatedBasePoints[4];
rotatedBasePoints[0] = basePoints[0];
rotatedBasePoints[1] = basePoints[1];
rotatedBasePoints[2] = basePoints[2];
rotatedBasePoints[3] = basePoints[3];
Point3F fvec( -1, 0, 0 );
F32 rot = mAcos( mDot( fvec, flareVec ) );
Point3F rvec( 0, -1, 0 );
rot *= mDot( rvec, flareVec ) > 0.0f ? 1.0f : -1.0f;
vectorRotateZAxis( rotatedBasePoints[0], rot );
vectorRotateZAxis( rotatedBasePoints[1], rot );
vectorRotateZAxis( rotatedBasePoints[2], rot );
vectorRotateZAxis( rotatedBasePoints[3], rot );
// Here we calculate a the light source's influence on the effect's size
// and brightness...
// Scale based on the current light brightness compared to its normal output.
F32 lightSourceBrightnessScale = lightInfo->getBrightness() / flareState->fullBrightness;
// Scale based on world space distance from camera to light source.
F32 lightSourceWSDistanceScale = ( isVectorLight ) ? 1.0f : getMin( 10.0f / ( lightPos - camPos ).len(), 1.5f );
// Scale based on screen space distance from screen position of light source to the screen center.
F32 lightSourceSSDistanceScale = ( 1.5f - ( lightPosSS - screenCenter ).len() ) / 1.5f;
// Scale based on recent visibility changes, fading in or out.
F32 fadeInOutScale = 1.0f;
if ( lightVisible && visDelta < fadeInTime && flareState->occlusion )
fadeInOutScale = (F32)visDelta / (F32)fadeInTime;
else if ( !lightVisible && visDelta < fadeOutTime )
fadeInOutScale = 1.0f - (F32)visDelta / (F32)fadeOutTime;
// This combined scale influences the size of all elements this effect renders.
// Note we also add in a scale that is user specified in the Light.
F32 lightSourceIntensityScale = lightSourceBrightnessScale *
lightSourceWSDistanceScale *
lightSourceSSDistanceScale *
fadeInOutScale *
flareState->scale *
occlusionFade;
// The baseColor which modulates the color of all elements.
ColorF baseColor;
if ( flareState->fullBrightness == 0.0f )
baseColor = ColorF::BLACK;
else
// These are the factors which affect the "alpha" of the flare effect.
// Modulate more in as appropriate.
baseColor = ColorF::WHITE * lightSourceBrightnessScale * occlusionFade;
// Fill in the vertex buffer...
const U32 vertCount = 4 * elementCount;
if ( flareState->vertBuffer.isNull() ||
flareState->vertBuffer->mNumVerts != vertCount )
flareState->vertBuffer.set( GFX, vertCount, GFXBufferTypeDynamic );
GFXVertexPCT *pVert = flareState->vertBuffer.lock();
const Point2I &widthHeightI = mFlareTexture.getWidthHeight();
Point2F oneOverTexSize( 1.0f / (F32)widthHeightI.x, 1.0f / (F32)widthHeightI.y );
for ( U32 i = 0; i < elementCount; i++ )
{
Point3F *basePos = mElementRotate[i] ? rotatedBasePoints : basePoints;
ColorF elementColor( baseColor * mElementTint[i] );
if ( mElementUseLightColor[i] )
elementColor *= lightInfo->getColor();
Point3F elementPos;
elementPos = lightPosSS + flareVec * mElementDist[i] * flareLength;
elementPos.z = 0.0f;
F32 maxDist = 1.5f;
F32 elementDist = mSqrt( ( elementPos.x * elementPos.x ) + ( elementPos.y * elementPos.y ) );
F32 distanceScale = ( maxDist - elementDist ) / maxDist;
distanceScale = 1.0f;
const RectF &elementRect = mElementRect[i];
Point3F elementSize( elementRect.extent.x, elementRect.extent.y, 1.0f );
elementSize *= mElementScale[i] * distanceScale * mScale * lightSourceIntensityScale;
if ( elementSize.x < 100.0f )
{
F32 alphaScale = mPow( elementSize.x / 100.0f, 2 );
elementColor *= alphaScale;
}
elementColor.clamp();
Point2F texCoordMin, texCoordMax;
texCoordMin = elementRect.point * oneOverTexSize;
texCoordMax = ( elementRect.point + elementRect.extent ) * oneOverTexSize;
pVert->color = elementColor;
pVert->point = ( basePos[0] * elementSize * oneOverViewportExtent ) + elementPos;
pVert->texCoord.set( texCoordMin.x, texCoordMax.y );
pVert++;
pVert->color = elementColor;
pVert->point = ( basePos[1] * elementSize * oneOverViewportExtent ) + elementPos;
pVert->texCoord.set( texCoordMax.x, texCoordMax.y );
pVert++;
pVert->color = elementColor;
pVert->point = ( basePos[2] * elementSize * oneOverViewportExtent ) + elementPos;
pVert->texCoord.set( texCoordMax.x, texCoordMin.y );
pVert++;
pVert->color = elementColor;
pVert->point = ( basePos[3] * elementSize * oneOverViewportExtent ) + elementPos;
pVert->texCoord.set( texCoordMin.x, texCoordMin.y );
pVert++;
}
flareState->vertBuffer.unlock();
// Create and submit the render instance...
RenderPassManager *renderManager = state->getRenderPass();
ParticleRenderInst *ri = renderManager->allocInst<ParticleRenderInst>();
ri->vertBuff = &flareState->vertBuffer;
ri->primBuff = &mFlarePrimBuffer;
ri->translucentSort = true;
ri->type = RenderPassManager::RIT_Particle;
ri->sortDistSq = ( lightPos - camPos ).lenSquared();
ri->modelViewProj = &MatrixF::Identity;
ri->bbModelViewProj = ri->modelViewProj;
ri->count = elementCount;
// Only draw the light flare in high-res mode, never off-screen mode
ri->systemState = ParticleRenderInst::AwaitingHighResDraw;
ri->blendStyle = ParticleRenderInst::BlendGreyscale;
ri->diffuseTex = &*(mFlareTexture);
ri->softnessDistance = 1.0f;
// Sort by texture too.
ri->defaultKey = ri->diffuseTex ? (U32)ri->diffuseTex : (U32)ri->vertBuff;
renderManager->addInst( ri );
}
void AdvancedLightManager::setLightInfo( ProcessedMaterial *pmat,
const Material *mat,
const SceneData &sgData,
const SceneRenderState *state,
U32 pass,
GFXShaderConstBuffer *shaderConsts)
{
// Skip this if we're rendering from the prepass bin.
if ( sgData.binType == SceneData::PrePassBin )
return;
PROFILE_SCOPE(AdvancedLightManager_setLightInfo);
LightingShaderConstants *lsc = getLightingShaderConstants(shaderConsts);
LightShadowMap *lsm = SHADOWMGR->getCurrentShadowMap();
LightInfo *light;
if ( lsm )
light = lsm->getLightInfo();
else
{
light = sgData.lights[0];
if ( !light )
light = getDefaultLight();
}
// NOTE: If you encounter a crash from this point forward
// while setting a shader constant its probably because the
// mConstantLookup has bad shaders/constants in it.
//
// This is a known crash bug that can occur if materials/shaders
// are reloaded and the light manager is not reset.
//
// We should look to fix this by clearing the table.
// Update the forward shading light constants.
_update4LightConsts( sgData,
lsc->mLightPositionSC,
lsc->mLightDiffuseSC,
lsc->mLightAmbientSC,
lsc->mLightInvRadiusSqSC,
lsc->mLightSpotDirSC,
lsc->mLightSpotAngleSC,
lsc->mLightSpotFalloffSC,
shaderConsts );
if ( lsm && light->getCastShadows() )
{
if ( lsc->mWorldToLightProjSC->isValid() )
shaderConsts->set( lsc->mWorldToLightProjSC,
lsm->getWorldToLightProj(),
lsc->mWorldToLightProjSC->getType() );
if ( lsc->mViewToLightProjSC->isValid() )
{
// TODO: Should probably cache these results and
// not do this mul here on every material that needs
// this transform.
shaderConsts->set( lsc->mViewToLightProjSC,
lsm->getWorldToLightProj() * state->getCameraTransform(),
lsc->mViewToLightProjSC->getType() );
}
shaderConsts->setSafe( lsc->mShadowMapSizeSC, 1.0f / (F32)lsm->getTexSize() );
// Do this last so that overrides can properly override parameters previously set
lsm->setShaderParameters(shaderConsts, lsc);
}
else
{
if ( lsc->mViewToLightProjSC->isValid() )
{
// TODO: Should probably cache these results and
// not do this mul here on every material that needs
// this transform.
MatrixF proj;
light->getWorldToLightProj( &proj );
shaderConsts->set( lsc->mViewToLightProjSC,
proj * state->getCameraTransform(),
lsc->mViewToLightProjSC->getType() );
}
}
}
