private void DrawDefaultGizmo(ProceduralAsset asset)
{
// Workaround for the disappearing default gizmo
switch (Tools.current)
{
case Tool.Move:
asset.transform.position = Handles.PositionHandle(asset.transform.position, Quaternion.identity);
break;
case Tool.Rotate:
asset.transform.rotation = Handles.RotationHandle(asset.transform.rotation, asset.transform.position);
break;
case Tool.Scale:
asset.transform.localScale = Handles.ScaleHandle(
asset.transform.localScale,
asset.transform.position,
asset.transform.rotation,
HandleUtility.GetHandleSize(asset.transform.position)
);
break;
case Tool.View:
break;
// case Tool.Rect:
// break;
case Tool.None:
break;
}
}
public void OnSelectionChange(Node previous, Node current)
{
if (Selection.activeGameObject)
{
ProceduralAsset pa = (ProceduralAsset)Selection.activeGameObject.GetComponent(typeof(ProceduralAsset));
if (pa == null)
{
return;
}
if (previous != null)
{
Operator previousOp = previous.Operator;
MethodInfo onDrawGizmos = previousOp.GetType().GetMethod("OnDrawGizmos");
if (onDrawGizmos != null)
{
pa.OnDrawGizmos -= previousOp.OnDrawGizmos;
}
}
if (current != null)
{
Operator currentOp = current.Operator;
MethodInfo onDrawGizmos = currentOp.GetType().GetMethod("OnDrawGizmos");
if (onDrawGizmos != null)
{
pa.OnDrawGizmos += currentOp.OnDrawGizmos;
}
}
SceneView.RepaintAll();
}
}
public override void OnInspectorGUI()
{
if (Asset == null)
Asset = (ProceduralAsset) serializedObject.targetObject;
DrawDefaultInspector();
if (GUI.changed || GUILayout.Button("Rebuild")) {
Asset.Generate();
}
// Statistics
ShowStatistics = EditorGUILayout.Foldout(ShowStatistics, "Statistics");
if (ShowStatistics) {
EditorGUILayout.LabelField("Last build time: ", Asset.IsBuilt ? System.String.Format("{0}ms", Asset.LastBuildTime) : "-");
EditorGUILayout.LabelField("Vertices: " , Asset.IsBuilt ? Asset.Geometry.Vertices.Length.ToString() : "-");
EditorGUILayout.LabelField("Triangles: ", Asset.IsBuilt ? (Asset.Geometry.Triangles.Length/3).ToString() : "-");
EditorGUILayout.LabelField("Polygons: " , Asset.IsBuilt ? (Asset.Geometry.Polygons.Length/2).ToString() : "-");
}
// Data File
ShowDataFile = EditorGUILayout.Foldout(ShowDataFile, "Mesh Data File");
if (ShowDataFile) {
GUILayout.BeginHorizontal();
string assetPath = AssetDatabase.GetAssetPath(Asset.Mesh);
Asset.Mesh = (Mesh) EditorGUILayout.ObjectField(Asset.Mesh, typeof(Mesh), false);
if (!string.IsNullOrEmpty(assetPath)) {
if (GUILayout.Button("Disconnect")) {
Asset.Mesh = new Mesh();
Asset.Generate();
}
} else {
if (GUILayout.Button("Save as...")) {
SaveAsset();
}
}
GUILayout.EndHorizontal();
}
}
public void DrawHandles(ProceduralAsset asset, Transform transform)
{
Geometry geo = asset.Geometry;
bool canDisplayVertexData = geo.Vertices.Length <= MAX_VERTEX_COUNT;
if (_vertStyle == null)
{
_vertStyle = MakeStyle(Color.cyan, new Vector2(0f, 2f));
_faceStyle = MakeStyle(Color.red, new Vector2(0f, 2f));
_polyStyle = MakeStyle(Color.yellow, new Vector2(0f, 2f));
_uvStyle = MakeStyle(Color.magenta, new Vector2(0f, 2f));
_shadowStyle = MakeStyle(Color.black, new Vector2(1f, 3f));
}
if (DisplayDefaultGizmo)
{
DrawDefaultGizmo(asset);
}
Vector3 camPos = SceneView.lastActiveSceneView.camera.transform.position;
// Face display options
if (geo.Triangles != null && (DisplayFaces || DisplayFaceIndex || DisplayFaceNormal || DisplayFaceOrder) && canDisplayVertexData)
{
for (int i = 0; i <= geo.Triangles.Length - 3; i += 3)
{
Vector3 aVert = transform.TransformPoint(geo.Vertices[geo.Triangles[i]]);
Vector3 bVert = transform.TransformPoint(geo.Vertices[geo.Triangles[i + 1]]);
Vector3 cVert = transform.TransformPoint(geo.Vertices[geo.Triangles[i + 2]]);
Vector3 mid = (aVert + bVert + cVert) / 3;
float camDist = Vector3.Distance(mid, camPos);
int nth = i / 3;
// Faces
if (DisplayFaces)
{
Handles.color = new Color(1f, 0f, 0f, 0.15f);
var tri = new Vector3[] {
Vector3.Lerp(aVert, mid, 0.025f),
Vector3.Lerp(bVert, mid, 0.025f),
Vector3.Lerp(cVert, mid, 0.025f)
};
Handles.DrawAAConvexPolygon(tri);
Handles.color = new Color(1f, 0f, 0f, 0.6f);
int id = geo.Vertices.Length + nth;
Handles.DotCap(id, mid, Quaternion.identity, camDist / 220);
}
// Normals
if (DisplayFaceNormal)
{
Handles.color = Color.red;
Vector3 normal = Vector3.ClampMagnitude(Vector3.Cross(bVert - aVert, cVert - aVert).normalized, camDist / 20);
Handles.DrawPolyLine(mid, mid + normal);
}
// Face Order
if (DisplayFaceOrder)
{
Handles.color = Color.red;
Vector3 la = Vector3.Lerp(aVert, mid, 0.15f);
Vector3 lb = Vector3.Lerp(bVert, mid, 0.15f);
Vector3 lc = Vector3.Lerp(cVert, mid, 0.15f);
Handles.DrawLine(la, Vector3.Lerp(la, lb, 0.25f));
Handles.DrawLine(lb, Vector3.Lerp(lb, lc, 0.25f));
Handles.DrawLine(lc, Vector3.Lerp(lc, la, 0.25f));
// Handles.Label(la, geo.Triangles[i].ToString(), _faceStyle);
// Handles.Label(lb, geo.Triangles[i+1].ToString(), _faceStyle);
// Handles.Label(lc, geo.Triangles[i+2].ToString(), _faceStyle);
}
// Index
if (DisplayFaceIndex)
{
Handles.color = Color.red;
Handles.Label(mid, "" + nth, _shadowStyle);
Handles.Label(mid, "" + nth, _faceStyle);
}
} // triangles
} // face display options
// Vertex display options
if (geo.Vertices != null && (DisplayVertices || DisplayVertexPosition || DisplayVertexNormal ||
DisplayVertexTangent || DisplayVertexIndex || DisplayUVs) && canDisplayVertexData)
{
for (int i = 0; i < geo.Vertices.Length; i++)
{
Vector3 origin = transform.TransformPoint(geo.Vertices[i]);
float camDist = Vector3.Distance(origin, camPos);
Handles.color = Color.cyan;
// Vertices
if (DisplayVertices)
{
Handles.DotCap(i * 2, origin, Quaternion.identity, camDist / 220);
}
// Normals
if (DisplayVertexNormal && i < geo.Normals.Length)
{
Vector3 normalEnd = Vector3.ClampMagnitude(geo.Normals[i], camDist / 20);
Handles.DrawLine(origin, origin + normalEnd);
}
// Tangents
if (DisplayVertexTangent && i < geo.Tangents.Length)
{
Vector3 normalEnd = Vector3.ClampMagnitude(geo.Tangents[i], camDist / 20);
Handles.DrawDottedLine(origin, origin + normalEnd, 2f);
}
// Index and Position
if (DisplayVertexIndex || DisplayVertexPosition)
{
string label = "";
if (DisplayVertexIndex)
{
label += i + "\n";
}
if (DisplayVertexPosition)
{
label += geo.Vertices[i].ToString() + "\n";
}
Handles.Label(origin, label, _shadowStyle);
Handles.Label(origin, label, _vertStyle);
}
// UVs
if (DisplayUVs)
{
string label = geo.UV[i].ToString();
Handles.Label(origin, label, _shadowStyle);
Handles.Label(origin, label, _uvStyle);
}
} // vertices
} // vertex display options
// Polygons
if (geo.Polygons != null && (DisplayPolygons || DisplayPolygonIndex) && canDisplayVertexData)
{
Handles.color = Color.yellow;
for (int p = 0; p < geo.Polygons.Length; p += 2)
{
if (geo.Vertices.Length == 0)
{
Debug.LogError("Geometry has at least a polygon, but zero vertices");
}
int start = geo.Polygons[p];
int count = geo.Polygons[p + 1];
Vector3 origin = transform.TransformPoint(geo.Vertices[start]);
// Index
if (DisplayPolygonIndex)
{
Handles.Label(origin, (p / 2).ToString(), _shadowStyle);
Handles.Label(origin, (p / 2).ToString(), _polyStyle);
}
if (DisplayPolygons)
{
// Cap
float camDist = Vector3.Distance(origin, camPos);
Handles.DotCap(GUIUtility.GetControlID(FocusType.Passive), origin, Quaternion.identity, camDist / 220);
// Lines
for (int v = start; v < start + count; v++)
{
Vector3 point = transform.TransformPoint(geo.Vertices[v]);
if (v > start)
{
Vector3 prev = transform.TransformPoint(geo.Vertices[v - 1]);
Handles.DrawLine(point, prev);
}
else
{
Vector3 prev = transform.TransformPoint(geo.Vertices[start + count - 1]);
Handles.DrawDottedLine(point, prev, 4f);
}
}
}
}
}
// Misc: Origin
if (DisplayOrigin)
{
Handles.color = Color.green;
Vector3 origin = transform.TransformPoint(Vector3.zero);
int originId = geo.Vertices.Length + geo.Triangles.Length / 3 + 1;
float camDist = Vector3.Distance(origin, camPos);
Handles.DotCap(originId, origin, Quaternion.identity, camDist / 180);
}
// Misc: Ghost Mesh
if (asset.GhostMesh != null)
{
Gizmos.color = new Color(0.3f, 0.65f, 1f, 0.7f);
Gizmos.DrawMesh(asset.GhostMesh, transform.position, transform.rotation, transform.localScale);
}
} // DrawHandles
public override void OnInspectorGUI()
{
if (Asset == null)
{
Asset = (ProceduralAsset)serializedObject.targetObject;
}
DrawDefaultInspector();
// Parameters
ShowParameters = EditorGUILayout.Foldout(ShowParameters, "Parameters");
if (ShowParameters)
{
if (Asset.Template != null)
{
Parameter[] parameters = Asset.Template.Parameters;
for (int i = 0; i < parameters.Length; i++)
{
Parameter param = parameters[i];
var parameterGUI = param.ParameterGUI;
if (parameterGUI != null)
{
object paramValue = Asset.GetParameter(param.GUID);
paramValue = param.ParameterGUI.Invoke(param, new object[] { paramValue });
Asset.SetParameterByGUID(param.GUID, paramValue);
}
}
}
}
if (GUI.changed || GUILayout.Button("Rebuild"))
{
Asset.Generate();
}
// Statistics
ShowStatistics = EditorGUILayout.Foldout(ShowStatistics, "Statistics");
if (ShowStatistics)
{
EditorGUILayout.LabelField("Last build time: ", Asset.IsBuilt ? System.String.Format("{0}ms", Asset.LastBuildTime) : "-");
EditorGUILayout.LabelField("Vertices: ", Asset.IsBuilt ? Asset.Geometry.Vertices.Length.ToString() : "-");
EditorGUILayout.LabelField("Triangles: ", Asset.IsBuilt ? (Asset.Geometry.Triangles.Length / 3).ToString() : "-");
EditorGUILayout.LabelField("Polygons: ", Asset.IsBuilt ? (Asset.Geometry.Polygons.Length / 2).ToString() : "-");
}
// Data File
ShowDataFile = EditorGUILayout.Foldout(ShowDataFile, "Mesh Data File");
if (ShowDataFile)
{
GUILayout.BeginHorizontal();
string assetPath = AssetDatabase.GetAssetPath(Asset.Mesh);
Asset.Mesh = (Mesh)EditorGUILayout.ObjectField(Asset.Mesh, typeof(Mesh), false);
if (!string.IsNullOrEmpty(assetPath))
{
if (GUILayout.Button("Disconnect"))
{
Asset.Mesh = new Mesh();
Asset.Generate();
}
}
else
{
if (GUILayout.Button("Save as..."))
{
SaveAsset();
}
}
GUILayout.EndHorizontal();
}
}
public void DrawHandles(ProceduralAsset asset, Transform transform)
{
Geometry geo = asset.Geometry;
bool canDisplayVertexData = geo.Vertices.Length <= MAX_VERTEX_COUNT;
if (_vertStyle == null) {
_vertStyle = MakeStyle(Color.cyan, new Vector2(0f, 2f));
_faceStyle = MakeStyle(Color.red, new Vector2(0f, 2f));
_polyStyle = MakeStyle(Color.yellow, new Vector2(0f, 2f));
_uvStyle = MakeStyle(Color.magenta, new Vector2(0f, 2f));
_shadowStyle = MakeStyle(Color.black, new Vector2(1f, 3f));
}
if (DisplayDefaultGizmo) {
DrawDefaultGizmo(asset);
}
Vector3 camPos = SceneView.lastActiveSceneView.camera.transform.position;
// Face display options
if (geo.Triangles != null && (DisplayFaces || DisplayFaceIndex || DisplayFaceNormal || DisplayFaceOrder) && canDisplayVertexData) {
for (int i = 0; i <= geo.Triangles.Length - 3; i += 3) {
Vector3 aVert = transform.TransformPoint(geo.Vertices[geo.Triangles[i]]);
Vector3 bVert = transform.TransformPoint(geo.Vertices[geo.Triangles[i+1]]);
Vector3 cVert = transform.TransformPoint(geo.Vertices[geo.Triangles[i+2]]);
Vector3 mid = (aVert + bVert + cVert) / 3;
float camDist = Vector3.Distance(mid, camPos);
int nth = i / 3;
// Faces
if (DisplayFaces) {
Handles.color = new Color(1f, 0f, 0f, 0.15f);
var tri = new Vector3[] {
Vector3.Lerp(aVert, mid, 0.025f),
Vector3.Lerp(bVert, mid, 0.025f),
Vector3.Lerp(cVert, mid, 0.025f)
};
Handles.DrawAAConvexPolygon(tri);
Handles.color = new Color(1f, 0f, 0f, 0.6f);
int id = geo.Vertices.Length + nth;
Handles.DotCap(id, mid, Quaternion.identity, camDist / 220);
}
// Normals
if (DisplayFaceNormal) {
Handles.color = Color.red;
Vector3 normal = Vector3.ClampMagnitude(Vector3.Cross(bVert-aVert, cVert-aVert).normalized, camDist / 20);
Handles.DrawPolyLine(mid, mid + normal);
}
// Face Order
if (DisplayFaceOrder) {
Vector3 la = Vector3.Lerp(aVert, mid, 0.15f);
Vector3 lb = Vector3.Lerp(bVert, mid, 0.15f);
Vector3 lc = Vector3.Lerp(cVert, mid, 0.15f);
Handles.DrawLine(la, Vector3.Lerp(la, lb, 0.25f));
Handles.DrawLine(lb, Vector3.Lerp(lb, lc, 0.25f));
Handles.DrawLine(lc, Vector3.Lerp(lc, la, 0.25f));
// Handles.Label(la, geo.Triangles[i].ToString(), _faceStyle);
// Handles.Label(lb, geo.Triangles[i+1].ToString(), _faceStyle);
// Handles.Label(lc, geo.Triangles[i+2].ToString(), _faceStyle);
}
// Index
if (DisplayFaceIndex) {
Handles.color = Color.red;
Handles.Label(mid, "" + nth, _shadowStyle);
Handles.Label(mid, "" + nth, _faceStyle);
}
} // triangles
} // face display options
// Vertex display options
if (geo.Vertices != null && (DisplayVertices || DisplayVertexPosition || DisplayVertexNormal ||
DisplayVertexTangent || DisplayVertexIndex || DisplayUVs) && canDisplayVertexData) {
for (int i = 0; i < geo.Vertices.Length; i++) {
Vector3 origin = transform.TransformPoint(geo.Vertices[i]);
float camDist = Vector3.Distance(origin, camPos);
Handles.color = Color.cyan;
// Vertices
if (DisplayVertices) {
Handles.DotCap(i * 2, origin, Quaternion.identity, camDist / 220);
}
// Normals
if (DisplayVertexNormal && i < geo.Normals.Length) {
Vector3 normalEnd = Vector3.ClampMagnitude(geo.Normals[i], camDist / 20);
Handles.DrawLine(origin, origin + normalEnd);
}
// Tangents
if (DisplayVertexTangent && i < geo.Tangents.Length) {
Vector3 normalEnd = Vector3.ClampMagnitude(geo.Tangents[i], camDist / 20);
Handles.DrawDottedLine(origin, origin + normalEnd, 2f);
}
// Index and Position
if (DisplayVertexIndex || DisplayVertexPosition) {
string label = "";
if (DisplayVertexIndex) {
label += i + "\n";
}
if (DisplayVertexPosition) {
label += geo.Vertices[i].ToString() + "\n";
}
Handles.Label(origin, label, _shadowStyle);
Handles.Label(origin, label, _vertStyle);
}
// UVs
if (DisplayUVs) {
string label = geo.UV[i].ToString();
Handles.Label(origin, label, _shadowStyle);
Handles.Label(origin, label, _uvStyle);
}
} // vertices
} // vertex display options
// Polygons
if (geo.Polygons != null && (DisplayPolygons || DisplayPolygonIndex) && canDisplayVertexData) {
Handles.color = Color.yellow;
for (int p = 0; p < geo.Polygons.Length; p += 2) {
int start = geo.Polygons[p];
int count = geo.Polygons[p+1];
Vector3 origin = transform.TransformPoint(geo.Vertices[start]);
// Index
if (DisplayPolygonIndex) {
Handles.Label(origin, (p/2).ToString(), _shadowStyle);
Handles.Label(origin, (p/2).ToString(), _polyStyle);
}
if (DisplayPolygons) {
// Cap
float camDist = Vector3.Distance(origin, camPos);
Handles.DotCap(GUIUtility.GetControlID (FocusType.Passive), origin, Quaternion.identity, camDist / 220);
// Lines
for (int v = start; v < start + count; v++) {
Vector3 point = transform.TransformPoint(geo.Vertices[v]);
if (v > start) {
Vector3 prev = transform.TransformPoint(geo.Vertices[v-1]);
Handles.DrawLine(point, prev);
} else {
Vector3 prev = transform.TransformPoint(geo.Vertices[start+count-1]);
Handles.DrawDottedLine(point, prev, 4f);
}
}
}
}
}
// Misc: Origin
if (DisplayOrigin) {
Handles.color = Color.green;
Vector3 origin = transform.TransformPoint(Vector3.zero);
int originId = geo.Vertices.Length + geo.Triangles.Length / 3 + 1;
float camDist = Vector3.Distance(origin, camPos);
Handles.DotCap(originId, origin, Quaternion.identity, camDist / 180);
}
// Misc: Ghost Mesh
if (asset.GhostMesh != null) {
Gizmos.color = new Color(0.3f, 0.65f, 1f, 0.7f);
Gizmos.DrawMesh(asset.GhostMesh, transform.position, transform.rotation, transform.localScale);
}
}
private void DrawDefaultGizmo(ProceduralAsset asset)
{
// Workaround for the disappearing default gizmo
switch (Tools.current){
case Tool.Move:
asset.transform.position = Handles.PositionHandle(asset.transform.position, Quaternion.identity);
break;
case Tool.Rotate:
asset.transform.rotation = Handles.RotationHandle(asset.transform.rotation, asset.transform.position);
break;
case Tool.Scale:
asset.transform.localScale = Handles.ScaleHandle(
asset.transform.localScale,
asset.transform.position,
asset.transform.rotation,
HandleUtility.GetHandleSize(asset.transform.position)
);
break;
case Tool.View:
break;
// case Tool.Rect:
// break;
case Tool.None:
break;
}
}
