unsafe public OcclusionMesh(ref OcclusionMeshAsset sharedMesh, Occluder occluder)
{
vertexCount = sharedMesh.vertexCount;
indexCount = sharedMesh.indexCount;
vertexData = sharedMesh.vertexData;
indexData = sharedMesh.indexData;
int size = UnsafeUtility.SizeOf <float4>() * vertexCount;
var data = Memory.Unmanaged.Allocate(size, 64, Allocator.Persistent);
transformedVertexData = BlobAssetReference <float4> .Create(data, size);
screenMin = float.MaxValue;
screenMax = -float.MaxValue;
localToWorld = occluder.localTransform;
}
internal void EditMesh(Occluder occluder)
{
EditorGUI.BeginChangeCheck();
occluder.DebugRender();
var pos = occluder.LocalPosition;
var rot = occluder.LocalRotation;
var scale = occluder.LocalScale;
Handles.TransformHandle(ref pos, ref rot, ref scale);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(occluder, "Modify occluder transform");
PrefabUtility.RecordPrefabInstancePropertyModifications(occluder);
occluder.LocalPosition = pos;
occluder.LocalRotation = rot;
occluder.LocalScale = scale;
}
}
private static void RenderWireframe(OccluderVolumeEditingContext ctx, Occluder occluder, Mesh mesh, Vector3[] verts, bool frontFacing)
{
var transform = occluder.localTransform;
foreach (var face in ctx.faces)
{
var p = transform.MultiplyPoint(face.centroid);
if (Vector3.Dot(transform.MultiplyVector(face.normal), Camera.current.transform.position - p) < 0)
{
if (!frontFacing)
{
Handles.color = Color.white;
for (int i = 0; i < face.vertices.Length; i++)
{
var a = verts[face.vertices[i]];
var b = verts[face.vertices[(i + 1) % face.vertices.Length]];
Handles.DrawDottedLine(transform.MultiplyPoint(a), transform.MultiplyPoint(b), 2);
}
}
}
else if (frontFacing)
{
Handles.color = Color.white;
for (int i = 0; i < face.vertices.Length; i++)
{
var a = transform.MultiplyPoint(verts[face.vertices[i]]);
var b = transform.MultiplyPoint(verts[face.vertices[(i + 1) % face.vertices.Length]]);
Handles.DrawBezier(a, b, a, b, Color.white, null, 6);
}
}
}
/* foreach (var edge in ctx.edges)
* {
* var t1 = ctx.tris[edge.t[0]];
* var t2 = ctx.tris[edge.t[1]];
*
* if (Vector3.Dot(t1.normal, t2.normal) > 0.99f)
* {
* continue;
* }
*
* var n1 = occluder.localTransform.MultiplyVector(t1.normal);
* var n2 = occluder.localTransform.MultiplyVector(t2.normal);
*
* var a = occluder.localTransform.MultiplyPoint(verts[edge.v[0]]);
* var b = occluder.localTransform.MultiplyPoint(verts[edge.v[1]]);
* var d = Camera.current.transform.position - a;
*
* if (Vector3.Dot(n1, d) < 0 && Vector3.Dot(n2, d) < 0)
* {
* if (!frontFacing)
* {
* Handles.color = Color.white;// grey;
* Handles.DrawDottedLine(a, b, 2);
* }
* }
* else if (frontFacing)
* {
* Handles.DrawBezier(a, b, a, b, Color.white, null, 6);
* }
* }*/
}
internal void EditVolume(Occluder occluder)
{
if (occluder.Mesh == null)
{
return;
}
var ctx = occluder.Context;
ctx.ComputeEdges();
ctx.ComputeNormals();
if (ctx.Dragging <= 0)
{
//ctx.ComputeFaces();
}
else
{
ctx.UpdateFaces();
}
int currentFaceId = ctx.Dragging;
ctx.Dragging = -1;
occluder.DebugRender();
var mesh = occluder.Mesh;
var verts = mesh.vertices;
var inverse = occluder.localTransform.inverse;
// Render the back faces first, so that the hidden edges appear behind the handles
RenderWireframe(ctx, occluder, mesh, verts, false);
EditorGUI.BeginChangeCheck();
var transform = occluder.localTransform;
if (m_editMode == EditMode.Vertex)
{
EditVertices(ctx, mesh, verts, inverse, transform);
}
if (m_editMode == EditMode.Face)
{
EditFaces(ctx, currentFaceId, verts, inverse, transform);
}
// Render the front faces
RenderWireframe(ctx, occluder, mesh, verts, true);
if (EditorGUI.EndChangeCheck())
{
Undo.RegisterCompleteObjectUndo(occluder.Mesh, "Edit occluder volume");
// Undo.RecordObject(occluder.Mesh, "Edit occluder vertices");
occluder.Mesh.SetVertices(verts);
occluder.Mesh.RecalculateNormals();
occluder.Mesh.RecalculateBounds();
occluder.Mesh.MarkModified();
PrefabUtility.RecordPrefabInstancePropertyModifications(occluder.Mesh);
}
if (m_editMode == EditMode.Mesh)
{
EditorGUI.BeginChangeCheck();
var pos = occluder.LocalPosition;
var rot = occluder.LocalRotation;
var scale = occluder.LocalScale;
Handles.TransformHandle(ref pos, ref rot, ref scale);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(occluder, "Modify occluder transform");
occluder.LocalPosition = pos;
occluder.LocalRotation = rot;
occluder.LocalScale = scale;
PrefabUtility.RecordPrefabInstancePropertyModifications(occluder);
}
}
}
public override void OnToolGUI(EditorWindow window)
{
if (s_Contents == null)
{
s_Contents = new Contents();
}
Occluder occluder = (Occluder)target;
switch (occluder.Type)
{
case Occluder.OccluderType.Mesh:
EditMesh(occluder);
break;
case Occluder.OccluderType.Volume:
int background = GUIUtility.GetControlID(FocusType.Passive);
HandleUtility.AddDefaultControl(background);
Handles.BeginGUI();
switch (m_editMode)
{
case EditMode.Mesh:
GUILayout.BeginArea(new Rect {
x = 10, y = 10, width = 250, height = 85
}, "Mesh mode", GUI.skin.window);
GUILayout.Label("Use shift to align the transform gizmo");
GUILayout.Label("to the view");
break;
case EditMode.Face:
GUILayout.BeginArea(new Rect {
x = 10, y = 10, width = 250, height = 85
}, "Face mode", GUI.skin.window);
break;
case EditMode.Vertex:
GUILayout.BeginArea(new Rect {
x = 10, y = 10, width = 250, height = 85
}, "Vertex mode", GUI.skin.window);
GUILayout.Label("Use shift to (de)select multiple vertices.");
GUILayout.Label("Click and drag for marquee selection.");
break;
}
GUILayout.EndArea();
Rect p = window.position;
int toolBarWidth = 110;
GUILayout.BeginArea(new Rect {
x = (p.width - toolBarWidth) / 2, y = 10, width = toolBarWidth, height = 80
});
using (new GUILayout.HorizontalScope())
{
bool editMesh = (m_editMode == EditMode.Mesh);
bool editVerts = (m_editMode == EditMode.Vertex);
bool editFaces = (m_editMode == EditMode.Face);
var newEditMesh = !GUILayout.Toggle(!editMesh, GUIContents.editMeshIcon, "Button");
var newEditVerts = !GUILayout.Toggle(!editVerts, GUIContents.editVertexIcon, "Button");
var newEditFaces = !GUILayout.Toggle(!editFaces, GUIContents.editFaceIcon, "Button");
if (newEditMesh && !editMesh)
{
m_editMode = EditMode.Mesh;
}
else if (newEditVerts && !editVerts)
{
m_editMode = EditMode.Vertex;
}
else if (newEditFaces && !editFaces)
{
m_editMode = EditMode.Face;
}
}
GUILayout.EndArea();
Handles.EndGUI();
if (m_editMode == EditMode.Vertex)
{
UpdateSelection();
}
EditVolume(occluder);
break;
}
}
public OccluderVolumeEditingContext(Occluder occluder)
{
Occluder = occluder;
VertexSelection = new HashSet <int>();
}