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Merge pull request #910 from Winterleaf/StaticShapeAlphaLod

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Added distance fading to TSStatic objects.
This commit is contained in:
Daniel Buckmaster 2014-12-07 18:15:13 +11:00
parent ca287f3308 c5f81a85f5
commit e0436efc21
2 changed files with 82 additions and 0 deletions
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70
Engine/source/T3D/tsStatic.cpp
View file

@ -111,6 +111,11 @@ TSStatic::TSStatic()
mMeshCulling = false;
mUseOriginSort = false;
mUseAlphaFade = false;
mAlphaFadeStart = 100.0f;
mAlphaFadeEnd = 150.0f;
mInvertAlphaFade = false;
mAlphaFade = 1.0f;
mPhysicsRep = NULL;
mCollisionType = CollisionMesh;
@ -192,6 +197,13 @@ void TSStatic::initPersistFields()
endGroup("Collision");
addGroup( "AlphaFade" );
addField( "Alpha Fade Enable", TypeBool, Offset(mUseAlphaFade, TSStatic), "Turn on/off Alpha Fade" );
addField( "Alpha Fade Start", TypeF32, Offset(mAlphaFadeStart, TSStatic), "Distance of start Alpha Fade" );
addField( "Alpha Fade End", TypeF32, Offset(mAlphaFadeEnd, TSStatic), "Distance of end Alpha Fade" );
addField( "Alpha Fade Inverse", TypeBool, Offset(mInvertAlphaFade, TSStatic), "Invert Alpha Fade's Start & End Distance" );
endGroup( "AlphaFade" );
addGroup("Debug");
addField( "renderNormals", TypeF32, Offset( mRenderNormalScalar, TSStatic ),
@ -502,6 +514,36 @@ void TSStatic::prepRenderImage( SceneRenderState* state )
if (dist < 0.01f)
dist = 0.01f;
if (mUseAlphaFade)
{
mAlphaFade = 1.0f;
if ((mAlphaFadeStart < mAlphaFadeEnd) && mAlphaFadeStart > 0.1f)
{
if (mInvertAlphaFade)
{
if (dist <= mAlphaFadeStart)
{
return;
}
if (dist < mAlphaFadeEnd)
{
mAlphaFade = ((dist - mAlphaFadeStart) / (mAlphaFadeEnd - mAlphaFadeStart));
}
}
else
{
if (dist >= mAlphaFadeEnd)
{
return;
}
if (dist > mAlphaFadeStart)
{
mAlphaFade -= ((dist - mAlphaFadeStart) / (mAlphaFadeEnd - mAlphaFadeStart));
}
}
}
}
F32 invScale = (1.0f/getMax(getMax(mObjScale.x,mObjScale.y),mObjScale.z));
if ( mForceDetail == -1 )
@ -545,6 +587,19 @@ void TSStatic::prepRenderImage( SceneRenderState* state )
GFX->setWorldMatrix( mat );
mShapeInstance->animate();
if(mShapeInstance)
{
if (mUseAlphaFade)
{
mShapeInstance->setAlphaAlways(mAlphaFade);
S32 s = mShapeInstance->mMeshObjects.size();
for(S32 x = 0; x < s; x++)
{
mShapeInstance->mMeshObjects[x].visible = mAlphaFade;
}
}
}
mShapeInstance->render( rdata );
if ( mRenderNormalScalar > 0 )
@ -625,6 +680,13 @@ U32 TSStatic::packUpdate(NetConnection *con, U32 mask, BitStream *stream)
stream->writeFlag( mPlayAmbient );
if ( stream->writeFlag(mUseAlphaFade) )
{
stream->write(mAlphaFadeStart);
stream->write(mAlphaFadeEnd);
stream->write(mInvertAlphaFade);
}
if ( mLightPlugin )
retMask |= mLightPlugin->packUpdate(this, AdvancedStaticOptionsMask, con, mask, stream);
@ -682,6 +744,14 @@ void TSStatic::unpackUpdate(NetConnection *con, BitStream *stream)
mPlayAmbient = stream->readFlag();
mUseAlphaFade = stream->readFlag();
if (mUseAlphaFade)
{
stream->read(&mAlphaFadeStart);
stream->read(&mAlphaFadeEnd);
stream->read(&mInvertAlphaFade);
}
if ( mLightPlugin )
{
mLightPlugin->unpackUpdate(this, con, stream);

12
Engine/source/T3D/tsStatic.h
View file

@ -97,6 +97,13 @@ class TSStatic : public SceneObject
};
public:
void setAlphaFade(bool enable, F32 start, F32 end, bool inverse)
{
mUseAlphaFade = enable;
mAlphaFadeStart = start;
mAlphaFadeEnd = end;
mInvertAlphaFade = inverse;
}
/// The different types of mesh data types
enum MeshType
@ -108,6 +115,11 @@ public:
};
protected:
bool mUseAlphaFade;
F32 mAlphaFadeStart;
F32 mAlphaFadeEnd;
F32 mAlphaFade;
bool mInvertAlphaFade;
bool onAdd();
void onRemove();