static void GenerateVertexPickingObjects(
IList <ProBuilderMesh> selection,
bool doDepthTest,
out Dictionary <uint, SimpleTuple <ProBuilderMesh, int> > map,
out GameObject[] depthObjects,
out GameObject[] pickerObjects)
{
map = new Dictionary <uint, SimpleTuple <ProBuilderMesh, int> >();
// don't start at 0 because that means one vertex would be black, matching
// the color used to cull hidden vertices.
uint index = 0x02;
int selectionCount = selection.Count;
pickerObjects = new GameObject[selectionCount];
for (int i = 0; i < selectionCount; i++)
{
// build vertex billboards
var pb = selection[i];
var mesh = BuildVertexMesh(pb, map, ref index);
GameObject go = InternalUtility.MeshGameObjectWithTransform(pb.name + " (Vertex Billboards)", pb.transform, mesh,
BuiltinMaterials.vertexPickerMaterial, true);
pickerObjects[i] = go;
}
if (doDepthTest)
{
depthObjects = new GameObject[selectionCount];
// copy the select gameobject just for z-write
for (int i = 0; i < selectionCount; i++)
{
var pb = selection[i];
GameObject go = InternalUtility.MeshGameObjectWithTransform(pb.name + " (Depth Mask)", pb.transform, pb.mesh,
BuiltinMaterials.facePickerMaterial, true);
depthObjects[i] = go;
}
}
else
{
depthObjects = null;
}
}
public static GameObject MeshGameObjectWithTransform(string name, Transform t, Mesh mesh, Material mat, bool inheritParent)
{
GameObject go = InternalUtility.EmptyGameObjectWithTransform(t);
go.name = name;
go.AddComponent <MeshFilter>().sharedMesh = mesh;
go.AddComponent <MeshRenderer>().sharedMaterial = mat;
go.hideFlags = HideFlags.HideAndDontSave;
if (inheritParent)
{
go.transform.SetParent(t.parent, false);
}
return(go);
}
static void GenerateEdgePickingObjects(
IList <ProBuilderMesh> selection,
bool doDepthTest,
out Dictionary <uint, SimpleTuple <ProBuilderMesh, Edge> > map,
out GameObject[] depthObjects,
out GameObject[] pickerObjects)
{
map = new Dictionary <uint, SimpleTuple <ProBuilderMesh, Edge> >();
uint index = 0x2;
int selectionCount = selection.Count;
pickerObjects = new GameObject[selectionCount];
for (int i = 0; i < selectionCount; i++)
{
// build edge billboards
var pb = selection[i];
var mesh = BuildEdgeMesh(pb, map, ref index);
GameObject go = InternalUtility.MeshGameObjectWithTransform(pb.name + " (Edge Billboards)", pb.transform, mesh,
BuiltinMaterials.edgePickerMaterial, true);
pickerObjects[i] = go;
}
if (doDepthTest)
{
depthObjects = new GameObject[selectionCount];
for (int i = 0; i < selectionCount; i++)
{
var pb = selection[i];
// copy the select gameobject just for z-write
GameObject go = InternalUtility.MeshGameObjectWithTransform(pb.name + " (Depth Mask)", pb.transform, pb.mesh,
BuiltinMaterials.facePickerMaterial, true);
depthObjects[i] = go;
}
}
else
{
depthObjects = null;
}
}
static GameObject[] GenerateFacePickingObjects(
IList <ProBuilderMesh> selection,
out Dictionary <uint, SimpleTuple <ProBuilderMesh, Face> > map)
{
int selectionCount = selection.Count;
GameObject[] pickerObjects = new GameObject[selectionCount];
map = new Dictionary <uint, SimpleTuple <ProBuilderMesh, Face> >();
uint index = 0;
for (int i = 0; i < selectionCount; i++)
{
var pb = selection[i];
GameObject go = InternalUtility.EmptyGameObjectWithTransform(pb.transform);
go.name = pb.name + " (Face Depth Test)";
Mesh m = new Mesh();
m.vertices = pb.positionsInternal;
m.triangles = pb.facesInternal.SelectMany(x => x.indexesInternal).ToArray();
Color32[] colors = new Color32[m.vertexCount];
foreach (Face f in pb.facesInternal)
{
Color32 color = EncodeRGBA(index++);
map.Add(DecodeRGBA(color), new SimpleTuple <ProBuilderMesh, Face>(pb, f));
for (int n = 0; n < f.distinctIndexesInternal.Length; n++)
{
colors[f.distinctIndexesInternal[n]] = color;
}
}
m.colors32 = colors;
go.AddComponent <MeshFilter>().sharedMesh = m;
go.AddComponent <MeshRenderer>().sharedMaterial = BuiltinMaterials.facePickerMaterial;
pickerObjects[i] = go;
}
return(pickerObjects);
}