/// <summary>
///
/// </summary>
/// <param name="enabled"></param>
/// <param name="visibleDist"></param>
/// <param name="invisbleDist"></param>
public void SetFade(bool enabled, float visibleDist, float invisbleDist)
{
if (mRenderMethod == BillboardMethod.Accelerated)
{
if (enabled)
{
if (mMaterial == null)
{
throw new Exception("Billboard fading cannot be enabled without a material applied first");
}
//Update material reference list
if (mFadeEnabled)
{
Debug.Assert(mFadeMaterial != null);
SBMaterialRef.RemoveMaterialRef(mFadeMaterial);
}
else
{
Debug.Assert(mMaterial != null);
SBMaterialRef.RemoveMaterialRef(mMaterial);
}
mFadeMaterial = GetFadeMaterial(visibleDist, invisbleDist);
SBMaterialRef.AddMaterialRef(mFadeMaterial, mBBOrigin);
//Apply material to entity
if (mEntity != null)
{
mEntity.MaterialName = mFadeMaterial.Name;
}
mFadeEnabled = enabled;
mFadeVisibleDist = visibleDist;
mFadeInvisibleDist = invisbleDist;
}
else
{
if (mFadeEnabled)
{
//Update material reference list
Debug.Assert(mFadeMaterial != null);
Debug.Assert(mMaterial != null);
SBMaterialRef.RemoveMaterialRef(mFadeMaterial);
SBMaterialRef.AddMaterialRef(mMaterial, mBBOrigin);
//Apply material to entity
if (mEntity != null)
{
mEntity.MaterialName = mFadeMaterial.Name;
}
mFadeEnabled = enabled;
mFadeVisibleDist = visibleDist;
mFadeInvisibleDist = invisbleDist;
}
}
}
}
/// <summary>
///
/// </summary>
/// <param name="matP"></param>
public static void RemoveMaterialRef(Material matP)
{
SBMaterialRef matRef = null;
if (mSelfList.TryGetValue(matP, out matRef))
{
if (--matRef.mRefCount == 0)
{
mSelfList.Remove(matRef.Material);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="matP"></param>
/// <param name="origin"></param>
public static void AddMaterialRef(Material matP, BillboardOrigin origin)
{
Material mat = matP;
SBMaterialRef matRef = null;
if (!mSelfList.TryGetValue(mat, out matRef))
{
matRef = new SBMaterialRef(mat, origin);
}
else
{
//its allready there, increase the refcount
matRef.mRefCount++;
}
}
/// <summary>
///
/// </summary>
/// <param name="matP"></param>
/// <param name="origin"></param>
public static void AddMaterialRef(Material matP, BillboardOrigin origin)
{
Material mat = matP;
SBMaterialRef matRef = null;
if (!mSelfList.TryGetValue(mat, out matRef))
{
matRef = new SBMaterialRef(mat, origin);
}
else
{
//its allready there, increase the refcount
matRef.mRefCount++;
}
}
