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Merge pull request #1002 from Winterleaf/Fix-ScatterSky-Zindex

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Z Offset for Scattersky to fix the rendering issue at high altitudes.
This commit is contained in:
Daniel Buckmaster 2015-01-02 13:04:24 +11:00
parent e446502bbc 8c5d5f9f06
commit 93b0179019
2 changed files with 18 additions and 9 deletions
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26
Engine/source/environment/scatterSky.cpp
View file

@ -136,6 +136,7 @@ ScatterSky::ScatterSky()
mExposure = 1.0f;
mNightInterpolant = 0;
mZOffset = 0.0f;
mShader = NULL;
@ -313,7 +314,7 @@ void ScatterSky::setElevation( F32 elevation )
void ScatterSky::inspectPostApply()
{
mDirty = true;
setMaskBits( 0xFFFFFFFF );
setMaskBits( 0xFFFFFFFF );
}
void ScatterSky::initPersistFields()
@ -324,13 +325,13 @@ void ScatterSky::initPersistFields()
addField( "skyBrightness", TypeF32, Offset( mSkyBrightness, ScatterSky ),
"Global brightness and intensity applied to the sky and objects in the level." );
addField( "sunSize", TypeF32, Offset( mSunSize, ScatterSky ),
addField( "sunSize", TypeF32, Offset( mSunSize, ScatterSky ),
"Affects the size of the sun's disk." );
addField( "colorizeAmount", TypeF32, Offset( mColorizeAmt, ScatterSky ),
addField( "colorizeAmount", TypeF32, Offset( mColorizeAmt, ScatterSky ),
"Controls how much the the alpha component of colorize brigthens the sky. Setting to 0 returns default behavior." );
addField( "colorize", TypeColorF, Offset( mColorize, ScatterSky ),
addField( "colorize", TypeColorF, Offset( mColorize, ScatterSky ),
"Tints the sky the color specified, the alpha controls the brigthness. The brightness is multipled by the value of colorizeAmt." );
addField( "rayleighScattering", TypeF32, Offset( mRayleighScattering, ScatterSky ),
@ -350,6 +351,9 @@ void ScatterSky::initPersistFields()
addField( "exposure", TypeF32, Offset( mExposure, ScatterSky ),
"Controls the contrast of the sky and sun during daytime." );
addField( "zOffset", TypeF32, Offset( mZOffset, ScatterSky ),
"Offsets the scatterSky to avoid canvas rendering. Use 5000 or greater for the initial adjustment" );
endGroup( "ScatterSky" );
addGroup( "Orbit" );
@ -473,11 +477,13 @@ U32 ScatterSky::packUpdate(NetConnection *con, U32 mask, BitStream *stream)
stream->write( mAmbientScale );
stream->write( mSunScale );
stream->write( mFogScale );
stream->write( mColorizeAmt );
stream->write( mColorizeAmt );
stream->write( mColorize );
stream->write( mExposure );
stream->write( mZOffset );
stream->write( mBrightness );
stream->writeFlag( mCastShadows );
@ -556,7 +562,7 @@ void ScatterSky::unpackUpdate(NetConnection *con, BitStream *stream)
stream->read( &mAmbientScale );
stream->read( &mSunScale );
stream->read( &mFogScale );
F32 colorizeAmt;
F32 colorizeAmt;
stream->read( &colorizeAmt );
if(mColorizeAmt != colorizeAmt) {
@ -577,6 +583,8 @@ void ScatterSky::unpackUpdate(NetConnection *con, BitStream *stream)
stream->read( &mExposure );
stream->read( &mZOffset );
stream->read( &mBrightness );
mCastShadows = stream->readFlag();
@ -706,7 +714,7 @@ bool ScatterSky::_initShader()
Con::warnf( "ScatterSky::_initShader - failed to locate ScatterSkySBData!" );
else
mStateBlock = GFX->createStateBlock( data->getState() );
}
}
if ( !mStateBlock )
return false;
@ -937,7 +945,7 @@ void ScatterSky::_render( ObjectRenderInst *ri, SceneRenderState *state, BaseMat
Point3F camPos2 = state->getCameraPosition();
MatrixF xfm(true);
xfm.setPosition(camPos2);//-Point3F( 0, 0, 200000.0f));
xfm.setPosition(camPos2 - Point3F( 0, 0, mZOffset));
GFX->multWorld(xfm);
MatrixF xform(proj);//GFX->getProjectionMatrix());
xform *= GFX->getViewMatrix();
@ -979,7 +987,7 @@ void ScatterSky::_render( ObjectRenderInst *ri, SceneRenderState *state, BaseMat
mShaderConsts->setSafe( mUseCubemapSC, 0.0f );
}
GFX->setPrimitiveBuffer( mPrimBuffer );
GFX->setPrimitiveBuffer( mPrimBuffer );
GFX->setVertexBuffer( mVB );
GFX->drawIndexedPrimitive( GFXTriangleList, 0, 0, mVertCount, 0, mPrimCount );

1
Engine/source/environment/scatterSky.h
View file

@ -179,6 +179,7 @@ protected:
F32 mExposure;
F32 mNightInterpolant;
F32 mZOffset;
VectorF mLightDir;
VectorF mSunDir;