void ProjectedShadow::update( const SceneRenderState *state )
{
mUpdateTexture = true;
// Set the decal lod settings.
mDecalData->fadeStartPixelSize = smFadeStartPixelSize;
mDecalData->fadeEndPixelSize = smFadeEndPixelSize;
// Update our decal before
// we render to texture.
// If it fails, something bad happened
// (no light to grab/failed clip) and we should return.
if ( !_updateDecal( state ) )
{
// Release our shadow texture
// so that others can grab it out
// of the pool.
mShadowTexture = NULL;
mUpdateTexture = false;
return;
}
_calcScore( state );
if ( !mCasterPositionSC || !mCasterPositionSC->isValid() )
mCasterPositionSC = mDecalData->matInst->getMaterialParameterHandle( "$shadowCasterPosition" );
if ( !mShadowLengthSC || !mShadowLengthSC->isValid() )
mShadowLengthSC = mDecalData->matInst->getMaterialParameterHandle( "$shadowLength" );
MaterialParameters *matParams = mDecalData->matInst->getMaterialParameters();
matParams->setSafe( mCasterPositionSC, mParentObject->getRenderPosition() );
matParams->setSafe( mShadowLengthSC, mShadowLength / 4.0f );
}
void WaterPlane::setShaderParams( SceneRenderState *state, BaseMatInstance* mat, const WaterMatParams& paramHandles)
{
// Set variables that will be assigned to shader consts within WaterCommon
// before calling Parent::setShaderParams
mUndulateMaxDist = mGridElementSize * mGridSizeMinusOne * 0.5f;
Parent::setShaderParams( state, mat, paramHandles );
// Now set the rest of the shader consts that are either unique to this
// class or that WaterObject leaves to us to handle...
MaterialParameters* matParams = mat->getMaterialParameters();
// set vertex shader constants
//-----------------------------------
matParams->setSafe(paramHandles.mGridElementSizeSC, (F32)mGridElementSize);
//matParams->setSafe( paramHandles.mReflectTexSizeSC, mReflectTexSize );
if ( paramHandles.mModelMatSC->isValid() )
matParams->set(paramHandles.mModelMatSC, getRenderTransform(), GFXSCT_Float4x4);
// set pixel shader constants
//-----------------------------------
ColorF c( mWaterFogData.color );
matParams->setSafe( paramHandles.mBaseColorSC, c );
// By default we need to show a true reflection is fullReflect is enabled and
// we are above water.
F32 reflect = mPlaneReflector.isEnabled() && !isUnderwater( state->getCameraPosition() );
// If we were occluded the last frame a query was fetched ( not necessarily last frame )
// and we weren't updated last frame... we don't have a valid texture to show
// so use the cubemap / fake reflection color this frame.
if ( mPlaneReflector.lastUpdateMs != REFLECTMGR->getLastUpdateMs() && mPlaneReflector.isOccluded() )
reflect = false;
//Point4F reflectParams( getRenderPosition().z, mReflectMinDist, mReflectMaxDist, reflect );
Point4F reflectParams( getRenderPosition().z, 0.0f, 1000.0f, !reflect );
// TODO: This is a hack... why is this broken... check after
// we merge advanced lighting with trunk!
//
reflectParams.z = 0.0f;
matParams->setSafe( paramHandles.mReflectParamsSC, reflectParams );
VectorF reflectNorm( 0, 0, 1 );
matParams->setSafe(paramHandles.mReflectNormalSC, reflectNorm );
}
void AdvancedLightBinManager::LightMaterialInfo::setViewParameters( const F32 _zNear,
const F32 _zFar,
const Point3F &_eyePos,
const PlaneF &_farPlane,
const PlaneF &_vsFarPlane)
{
MaterialParameters *matParams = matInstance->getMaterialParameters();
matParams->setSafe( farPlane, *((const Point4F *)&_farPlane) );
matParams->setSafe( vsFarPlane, *((const Point4F *)&_vsFarPlane) );
if ( negFarPlaneDotEye->isValid() )
{
// -dot( farPlane, eyePos )
const F32 negFarPlaneDotEyeVal = -( mDot( *((const Point3F *)&_farPlane), _eyePos ) + _farPlane.d );
matParams->set( negFarPlaneDotEye, negFarPlaneDotEyeVal );
}
matParams->setSafe( zNearFarInvNearFar, Point4F( _zNear, _zFar, 1.0f / _zNear, 1.0f / _zFar ) );
}
void AdvancedLightBinManager::LightMaterialInfo::setLightParameters( const LightInfo *lightInfo, const SceneRenderState* renderState, const MatrixF &worldViewOnly )
{
MaterialParameters *matParams = matInstance->getMaterialParameters();
// Set color in the right format, set alpha to the luminance value for the color.
ColorF col = lightInfo->getColor();
// TODO: The specularity control of the light
// is being scaled by the overall lumiance.
//
// Not sure if this may be the source of our
// bad specularity results maybe?
//
const Point3F colorToLumiance( 0.3576f, 0.7152f, 0.1192f );
F32 lumiance = mDot(*((const Point3F *)&lightInfo->getColor()), colorToLumiance );
col.alpha *= lumiance;
matParams->setSafe( lightColor, col );
matParams->setSafe( lightBrightness, lightInfo->getBrightness() );
switch( lightInfo->getType() )
{
case LightInfo::Vector:
{
VectorF lightDir = lightInfo->getDirection();
worldViewOnly.mulV(lightDir);
lightDir.normalize();
matParams->setSafe( lightDirection, lightDir );
// Set small number for alpha since it represents existing specular in
// the vector light. This prevents a divide by zero.
ColorF ambientColor = renderState->getAmbientLightColor();
ambientColor.alpha = 0.00001f;
matParams->setSafe( lightAmbient, ambientColor );
// If no alt color is specified, set it to the average of
// the ambient and main color to avoid artifacts.
//
// TODO: Trilight disabled until we properly implement it
// in the light info!
//
//ColorF lightAlt = lightInfo->getAltColor();
ColorF lightAlt( ColorF::BLACK ); // = lightInfo->getAltColor();
if ( lightAlt.red == 0.0f && lightAlt.green == 0.0f && lightAlt.blue == 0.0f )
lightAlt = (lightInfo->getColor() + renderState->getAmbientLightColor()) / 2.0f;
ColorF trilightColor = lightAlt;
matParams->setSafe(lightTrilight, trilightColor);
}
break;
case LightInfo::Spot:
{
const F32 outerCone = lightInfo->getOuterConeAngle();
const F32 innerCone = getMin( lightInfo->getInnerConeAngle(), outerCone );
const F32 outerCos = mCos( mDegToRad( outerCone / 2.0f ) );
const F32 innerCos = mCos( mDegToRad( innerCone / 2.0f ) );
Point4F spotParams( outerCos,
innerCos - outerCos,
mCos( mDegToRad( outerCone ) ),
0.0f );
matParams->setSafe( lightSpotParams, spotParams );
VectorF lightDir = lightInfo->getDirection();
worldViewOnly.mulV(lightDir);
lightDir.normalize();
matParams->setSafe( lightDirection, lightDir );
}
// Fall through
case LightInfo::Point:
{
const F32 radius = lightInfo->getRange().x;
matParams->setSafe( lightRange, radius );
Point3F lightPos;
worldViewOnly.mulP(lightInfo->getPosition(), &lightPos);
matParams->setSafe( lightPosition, lightPos );
// Get the attenuation falloff ratio and normalize it.
Point3F attenRatio = lightInfo->getExtended<ShadowMapParams>()->attenuationRatio;
F32 total = attenRatio.x + attenRatio.y + attenRatio.z;
if ( total > 0.0f )
attenRatio /= total;
Point2F attenParams( ( 1.0f / radius ) * attenRatio.y,
( 1.0f / ( radius * radius ) ) * attenRatio.z );
matParams->setSafe( lightAttenuation, attenParams );
break;
}
default:
AssertFatal( false, "Bad light type!" );
break;
}
}
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 );
}