// Called when the mouse begins hovering an editable object.
internal override void OnBrushEnter(EditableObject target, BrushSettings settings)
{
base.OnBrushEnter(target, settings);
if (target.graphicsMesh == null)
{
return;
}
EditableObjectData data;
if (!m_EditableObjectsData.TryGetValue(target, out data))
{
data = new EditableObjectData();
m_EditableObjectsData.Add(target, data);
}
RebuildCaches(target, settings);
data.TriangleLookup = PolyMeshUtility.GetAdjacentTriangles(target.editMesh);
MeshRenderer mr = target.gameObjectAttached.GetComponent <MeshRenderer>();
if (mr != null && mr.sharedMaterials != null)
{
data.LikelySupportsVertexColors = mr.sharedMaterials.Any(x =>
x != null && x.shader != null && PolyShaderUtil.SupportsVertexColors(x.shader));
}
else
{
data.LikelySupportsVertexColors = false;
}
}
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);
}
void RebuildCaches(EditableObjectData data)
{
PolyMesh mesh = data.CacheTarget.editMesh;
data.VertexCount = mesh.vertexCount;
data.TriangleLookup = PolyMeshUtility.GetAdjacentTriangles(mesh);
if (meshAttributes == null)
{
// clear caches
data.SplatCache = null;
data.SplatCurrent = null;
data.SplatTarget = null;
data.SplatErase = null;
return;
}
data.SplatCache = new SplatSet(mesh, meshAttributes);
SetupBaseTextures(data.SplatCache);
data.SplatCurrent = new SplatSet(data.SplatCache);
data.SplatTarget = new SplatSet(data.VertexCount, meshAttributes);
data.SplatErase = new SplatSet(data.VertexCount, meshAttributes);
}
