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Added Alpha LOD to tsStatic objects.

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This allows designers to set the start and end distance for Alpha LOD on objects.
This commit is contained in:
Vincent Gee 2014-11-06 08:54:49 -05:00
parent 378a933894
commit c4e3a68f7c
2 changed files with 84 additions and 0 deletions
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72
Engine/source/T3D/tsStatic.cpp
View file

@ -111,6 +111,11 @@ TSStatic::TSStatic()
mMeshCulling = false;
mUseOriginSort = false;
mUseAlphaLod = false;
mAlphaLODStart = 100.0f;
mAlphaLODEnd = 150.0f;
mInvertAlphaLod = false;
mAlphaLOD = 1.0f;
mPhysicsRep = NULL;
mCollisionType = CollisionMesh;
@ -192,6 +197,13 @@ void TSStatic::initPersistFields()
endGroup("Collision");
addGroup( "AlphaLOD" );
addField( "ALODEnable", TypeBool, Offset(mUseAlphaLod, TSStatic), "Turn on/off AlphaLod" );
addField( "ALODStart", TypeF32, Offset(mAlphaLODStart, TSStatic), "Distance of start AlphaLOD" );
addField( "ALODEnd", TypeF32, Offset(mAlphaLODEnd, TSStatic), "Distance of end AlphaLOD" );
addField( "ALODInverse", TypeBool, Offset(mInvertAlphaLod, TSStatic), "Invert AlphaLOD's Start & End Distance" );
endGroup( "AlphaLOD" );
addGroup("Debug");
addField( "renderNormals", TypeF32, Offset( mRenderNormalScalar, TSStatic ),
@ -502,6 +514,38 @@ void TSStatic::prepRenderImage( SceneRenderState* state )
if (dist < 0.01f)
dist = 0.01f;
if (mUseAlphaLod)
{
mAlphaLOD = 1.0f;
if ((mAlphaLODStart < mAlphaLODEnd) && mAlphaLODStart > 0.1f)
{
if (mInvertAlphaLod)
{
if (dist <= mAlphaLODStart)
{
return;
}
if (dist < mAlphaLODEnd)
{
mAlphaLOD = ((dist - mAlphaLODStart) / (mAlphaLODEnd - mAlphaLODStart));
}
}
else
{
if (dist >= mAlphaLODEnd)
{
return;
}
if (dist > mAlphaLODStart)
{
mAlphaLOD -= ((dist - mAlphaLODStart) / (mAlphaLODEnd - mAlphaLODStart));
}
}
}
}
F32 invScale = (1.0f/getMax(getMax(mObjScale.x,mObjScale.y),mObjScale.z));
if ( mForceDetail == -1 )
@ -545,6 +589,19 @@ void TSStatic::prepRenderImage( SceneRenderState* state )
GFX->setWorldMatrix( mat );
mShapeInstance->animate();
if(mShapeInstance)
{
if (mUseAlphaLod)
{
mShapeInstance->setAlphaAlways(mAlphaLOD);
S32 s = mShapeInstance->mMeshObjects.size();
for(S32 x = 0; x < s; x++)
{
mShapeInstance->mMeshObjects[x].visible = mAlphaLOD;
}
}
}
mShapeInstance->render( rdata );
if ( mRenderNormalScalar > 0 )
@ -625,6 +682,13 @@ U32 TSStatic::packUpdate(NetConnection *con, U32 mask, BitStream *stream)
stream->writeFlag( mPlayAmbient );
if ( stream->writeFlag(mUseAlphaLod) )
{
stream->write(mAlphaLODStart);
stream->write(mAlphaLODEnd);
stream->write(mInvertAlphaLod);
}
if ( mLightPlugin )
retMask |= mLightPlugin->packUpdate(this, AdvancedStaticOptionsMask, con, mask, stream);
@ -682,6 +746,14 @@ void TSStatic::unpackUpdate(NetConnection *con, BitStream *stream)
mPlayAmbient = stream->readFlag();
mUseAlphaLod = stream->readFlag();
if (mUseAlphaLod)
{
stream->read(&mAlphaLODStart);
stream->read(&mAlphaLODEnd);
stream->read(&mInvertAlphaLod);
}
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 setAlphaLOD(bool enable, F32 start, F32 end, bool inverse)
{
mUseAlphaLod = enable;
mAlphaLODStart = start;
mAlphaLODEnd = end;
mInvertAlphaLod = inverse;
}
/// The different types of mesh data types
enum MeshType
@ -108,6 +115,11 @@ public:
};
protected:
bool mUseAlphaLod;
F32 mAlphaLODStart;
F32 mAlphaLODEnd;
F32 mAlphaLOD;
bool mInvertAlphaLod;
bool onAdd();
void onRemove();