void SetupBaseTextures(SplatSet set)
{
// map base texture index to mask index
// map mask index to indices of other textures in mask
Dictionary <int, int> baseTexToMask = new Dictionary <int, int>();
Dictionary <int, List <int> > maskToIndices = new Dictionary <int, List <int> >();
foreach (var attr in meshAttributes)
{
if (attr.isBaseTexture)
{
baseTexToMask.Add((int)attr.index, attr.mask);
}
else
{
List <int> indices;
if (maskToIndices.TryGetValue(attr.mask, out indices))
{
indices.Add((int)attr.index);
maskToIndices[attr.mask] = indices;
}
else
{
maskToIndices.Add(attr.mask, new List <int>()
{
(int)attr.index
});
}
}
}
set.SetChannelBaseTextureWeights(MeshChannel.Color, baseTexToMask, maskToIndices);
}
void SetupBaseTextures(SplatSet set)
{
// map base texture index to mask index
// map mask index to indices of other textures in mask
Dictionary <MeshChannel, List <int> > channelsToBaseTex = new Dictionary <MeshChannel, List <int> >();
Dictionary <int, int> baseTexToMask = new Dictionary <int, int>();
Dictionary <int, List <int> > maskToIndices = new Dictionary <int, List <int> >();
foreach (var attr in meshAttributes)
{
if (attr.isBaseTexture)
{
if (channelsToBaseTex.TryGetValue(attr.channel, out List <int> baseTexIndices))
{
baseTexIndices.Add((int)attr.index);
channelsToBaseTex[attr.channel] = baseTexIndices;
}
else
{
channelsToBaseTex.Add(attr.channel, new List <int>()
{
(int)attr.index
});
}
baseTexToMask.Add((int)attr.index, attr.mask);
}
else
{
if (maskToIndices.TryGetValue(attr.mask, out List <int> indices))
{
indices.Add((int)attr.index);
maskToIndices[attr.mask] = indices;
}
else
{
maskToIndices.Add(attr.mask, new List <int>()
{
(int)attr.index
});
}
}
}
if (baseTexToMask.Count > 0)
{
set.SetChannelBaseTextureWeights(channelsToBaseTex, baseTexToMask, maskToIndices);
}
}
void RebuildCaches(PolyMesh m, float strength)
{
m_VertexCount = m.vertexCount;
m_TriangleLookup = PolyMeshUtility.GetAdjacentTriangles(m);
if (meshAttributes == null)
{
// clear caches
splat_cache = null;
splat_current = null;
splat_target = null;
splat_erase = null;
return;
}
splat_cache = new SplatSet(m, meshAttributes);
splat_current = new SplatSet(splat_cache);
splat_target = new SplatSet(m_VertexCount, meshAttributes);
splat_erase = new SplatSet(m_VertexCount, meshAttributes);
}