/// <summary>
/// The Editing handles are used to manipulate and resize ProBuilderShapes
/// These handles are used in 2 tools : EditShapeTool and DrawShapeTool. In this second tool,
/// these handles allow to modified the last created shape.
/// </summary>
/// <param name="proBuilderShape">The Shape on which to attach the handles</param>
/// <param name="updatePrefs">Parameter used to update the DrawShapeTool when needed</param>
internal static void DoEditingHandles(ProBuilderShape proBuilderShape, bool updatePrefs = false)
{
if (proBuilderShape == null)
{
return;
}
var scale = proBuilderShape.transform.lossyScale;
var position = proBuilderShape.transform.position
+ Vector3.Scale(proBuilderShape.transform.TransformDirection(proBuilderShape.shapeBox.center), scale);
var matrix = Matrix4x4.TRS(position, proBuilderShape.transform.rotation, Vector3.one);
using (new Handles.DrawingScope(matrix))
{
EditorShapeUtility.UpdateFaces(proBuilderShape.editionBounds, scale, faces);
for (int i = 0; i < 4; ++i)
{
k_OrientationControlIDs[i] = GUIUtility.GetControlID(FocusType.Passive);
}
for (int i = 0; i < faces.Length; ++i)
{
s_FaceControlIDs[i] = GUIUtility.GetControlID(FocusType.Passive);
}
var absSize = Math.Abs(proBuilderShape.editionBounds.size);
if (absSize.x > Mathf.Epsilon && absSize.y > Mathf.Epsilon && absSize.z > Mathf.Epsilon)
{
DoOrientationHandles(proBuilderShape, updatePrefs);
}
DoSizeHandles(proBuilderShape, updatePrefs);
}
}
internal static void ApplyPrefsSettings(ProBuilderShape proBuilderShape)
{
proBuilderShape.pivotLocation = (PivotLocation)s_LastPivotLocation.value;
proBuilderShape.pivotLocalPosition = s_LastPivotPosition.value;
proBuilderShape.size = s_LastSize.value;
proBuilderShape.rotation = s_LastRotation.value;
}
static void DoOrientationHandles(ProBuilderShape proBuilderShape, bool updatePrefs)
{
if (GUIUtility.hotControl != 0 && !k_OrientationControlIDs.Contains(GUIUtility.hotControl))
{
return;
}
foreach (var f in faces)
{
if (f.IsVisible && EditorShapeUtility.PointerIsInFace(f))
{
if (DoOrientationHandle(f, proBuilderShape))
{
UndoUtility.RecordComponents <Transform, ProBuilderMesh, ProBuilderShape>(proBuilderShape.GetComponents(typeof(Component)), "Rotate Shape");
proBuilderShape.RotateInsideBounds(s_ShapeRotation);
ProBuilderEditor.Refresh();
if (updatePrefs)
{
DrawShapeTool.SaveShapeParams(proBuilderShape);
}
}
}
}
}
internal static void SaveShapeParams(ProBuilderShape proBuilderShape)
{
s_LastPivotLocation.value = (int)proBuilderShape.pivotLocation;
s_LastPivotPosition.value = proBuilderShape.pivotLocalPosition;
s_LastSize.value = proBuilderShape.size;
s_LastRotation.value = proBuilderShape.rotation;
EditorShapeUtility.SaveParams(proBuilderShape.shape);
}
static void ApplyProperties(ProBuilderShape proBuilderShape, Vector3 newCenterPosition, Vector3 newSize)
{
var bounds = new Bounds();
bounds.center = newCenterPosition;
bounds.size = newSize;
UndoUtility.RecordComponents <Transform, ProBuilderMesh, ProBuilderShape>(proBuilderShape.GetComponents(typeof(Component)), "Resize Shape");
proBuilderShape.UpdateBounds(bounds);
ProBuilderEditor.Refresh(false);
}
void DrawShapeGUI()
{
if (m_BoldCenteredStyle == null)
{
m_BoldCenteredStyle = new GUIStyle("BoldLabel")
{
alignment = TextAnchor.MiddleCenter
}
}
;
EditorGUILayout.LabelField(EditorShapeUtility.shapeTypes[s_ActiveShapeIndex.value], m_BoldCenteredStyle, GUILayout.ExpandWidth(true));
if (EditorShapeUtility.s_ResetUserPrefs.value)
{
ResetPrefs();
}
var shape = currentShapeInOverlay.shape;
int groupCount = EditorShapeUtility.shapeTypesGUI.Count;
for (int i = 0; i < groupCount; i++)
{
EditorGUI.BeginChangeCheck();
EditorGUILayout.BeginHorizontal();
GUILayout.FlexibleSpace();
int index = GUILayout.Toolbar(s_ActiveShapeIndex.value - +i * EditorShapeUtility.MaxContentPerGroup, EditorShapeUtility.shapeTypesGUI[i], Styles.command);
GUILayout.FlexibleSpace();
EditorGUILayout.EndHorizontal();
if (EditorGUI.EndChangeCheck())
{
s_ActiveShapeIndex.value = index + i * EditorShapeUtility.MaxContentPerGroup;
var type = EditorShapeUtility.availableShapeTypes[s_ActiveShapeIndex];
if (shape.GetType() != type)
{
if (currentShapeInOverlay == m_LastShapeCreated)
{
m_LastShapeCreated = null;
}
UndoUtility.RegisterCompleteObjectUndo(currentShapeInOverlay, "Change Shape");
Selection.activeObject = null;
currentShapeInOverlay.SetShape(EditorShapeUtility.CreateShape(type), currentShapeInOverlay.pivotLocation);
SetBounds(currentShapeInOverlay.size);
ProBuilderEditor.Refresh();
}
}
}
}
}
void ResetPrefs()
{
var type = EditorShapeUtility.availableShapeTypes[s_ActiveShapeIndex];
if (currentShapeInOverlay == m_LastShapeCreated)
{
m_LastShapeCreated = null;
}
UndoUtility.RegisterCompleteObjectUndo(currentShapeInOverlay, "Change Shape");
currentShapeInOverlay.SetShape(EditorShapeUtility.CreateShape(type), currentShapeInOverlay.pivotLocation);
SetBounds(currentShapeInOverlay.size);
ProBuilderEditor.Refresh();
}
static bool DoOrientationHandle(FaceData face, ProBuilderShape proBuilderShape)
{
Event evt = Event.current;
bool hasRotated = false;
switch (evt.type)
{
case EventType.MouseDown:
if (k_OrientationControlIDs.Contains(HandleUtility.nearestControl) && evt.button == 0)
{
s_CurrentId = HandleUtility.nearestControl;
GUIUtility.hotControl = s_CurrentId;
evt.Use();
}
break;
case EventType.MouseUp:
if (k_OrientationControlIDs.Contains(HandleUtility.nearestControl) && evt.button == 0)
{
GUIUtility.hotControl = 0;
evt.Use();
if (s_CurrentId == HandleUtility.nearestControl)
{
//Execute rotation
Vector3 targetedNormal = Vector3.zero;
for (int i = 0; i < k_OrientationControlIDs.Length; i++)
{
if (k_OrientationControlIDs[i] == s_CurrentId)
{
targetedNormal = (s_ArrowsLines[i][1] - face.CenterPosition).normalized;
break;
}
}
var currentNormal = face.Normal;
currentNormal.Scale(Math.Sign(proBuilderShape.size));
targetedNormal.Scale(Math.Sign(proBuilderShape.size));
Vector3 rotationAxis = Vector3.Cross(currentNormal, targetedNormal);
var angle = Vector3.SignedAngle(currentNormal, targetedNormal, rotationAxis);
s_ShapeRotation = Quaternion.AngleAxis(angle, rotationAxis);
s_CurrentAngle = (s_CurrentAngle + angle) % 360;
hasRotated = true;
}
s_CurrentId = -1;
}
break;
case EventType.Layout:
for (int i = 0; i < 4; i++)
{
var rectPos = 0.8f * s_ArrowsLines[i][1] + 0.2f * face.CenterPosition;
float dist = HandleUtility.DistanceToRectangle(rectPos,
Quaternion.LookRotation(face.Normal),
HandleUtility.GetHandleSize(face.CenterPosition) * s_DefaultMidpointSquareSize / 2f);
HandleUtility.AddControl(k_OrientationControlIDs[i], dist);
}
break;
case EventType.Repaint:
if (s_CurrentArrowHovered != HandleUtility.nearestControl)
{
s_CurrentAngle = 0f;
}
int pointsCount = face.Points.Length;
s_CurrentArrowHovered = -1;
for (int i = 0; i < pointsCount; i++)
{
var rectHandleSize = HandleUtility.GetHandleSize(face.CenterPosition) * s_DefaultMidpointSquareSize;
var sideDirection = (face.Points[(i + 1) % pointsCount] - face.Points[i]).normalized;
var arrowDirection = Vector3.Cross(face.Normal.normalized, sideDirection).normalized;
var topDirection = 2.5f * rectHandleSize * arrowDirection;
var top = face.CenterPosition + topDirection;
var A = topDirection.magnitude;
var a = 0.33f * Mathf.Sqrt(2f * A * A);
var h = 0.5f * Mathf.Sqrt(2f * a * a);
s_ArrowsLines[i][0] = top - (h * arrowDirection + h * sideDirection);
s_ArrowsLines[i][1] = top;
s_ArrowsLines[i][2] = top - (h * arrowDirection - h * sideDirection);
bool selected = HandleUtility.nearestControl == k_OrientationControlIDs[i];
Color color = selected
? EditorHandleDrawing.edgeSelectedColor
: k_BoundsHandleColor;
color.a = 1.0f;
using (new Handles.DrawingScope(color))
{
Handles.DrawAAPolyLine(5f, s_ArrowsLines[i]);
if (selected)
{
EditorGUIUtility.AddCursorRect(new Rect(0, 0, Screen.width, Screen.height), MouseCursor.RotateArrow);
s_CurrentArrowHovered = HandleUtility.nearestControl;
Handles.DrawAAPolyLine(3f,
new Vector3[]
{
Vector3.Scale(proBuilderShape.rotation * Vector3.up, proBuilderShape.size / 2f),
Vector3.zero,
Vector3.Scale(proBuilderShape.rotation * Vector3.forward, proBuilderShape.size / 2f)
});
}
}
}
break;
case EventType.MouseDrag:
if (k_OrientationControlIDs.Contains(s_CurrentId) && HandleUtility.nearestControl != s_CurrentId)
{
GUIUtility.hotControl = 0;
s_CurrentId = -1;
}
break;
}
return(hasRotated);
}
static void DoSizeHandles(ProBuilderShape proBuilderShape, bool updatePrefs)
{
int faceCount = s_Faces.Length;
var evt = Event.current;
var is2D = proBuilderShape.shape is Plane || proBuilderShape.shape is Sprite;
for (int i = 0; i < faceCount; i++)
{
var face = faces[i];
if (is2D && !face.IsValid)
{
continue;
}
if (Event.current.type == EventType.Repaint)
{
Color color = k_BoundsHandleColor;
color.a *= face.IsVisible ? 1f : 0.5f;
using (new Handles.DrawingScope(color))
{
int pointsCount = face.Points.Length;
for (int k = 0; k < pointsCount; k++)
{
Handles.DrawLine(face.Points[k], face.Points[(k + 1) % pointsCount]);
}
}
}
if (DoFaceSizeHandle(face, s_FaceControlIDs[i]))
{
if (!s_SizeManipulationInit)
{
s_StartCenter = proBuilderShape.transform.position + proBuilderShape.transform.TransformVector(proBuilderShape.shapeBox.center);
s_StartScale = proBuilderShape.transform.lossyScale;
s_StartScaleInverse = new Vector3(1f / Mathf.Abs(s_StartScale.x), 1f / Mathf.Abs(s_StartScale.y), 1f / Mathf.Abs(s_StartScale.z));
s_StartPositionLocal = face.CenterPosition;
s_StartPositionGlobal = proBuilderShape.transform.TransformPoint(Vector3.Scale(face.CenterPosition, s_StartScale));
s_StartSize = proBuilderShape.size;
s_SizeManipulationInit = true;
s_Scaling = Vector3.Scale(face.Normal, Math.Sign(s_StartSize));
}
var targetSize = s_StartSize;
if (Math.IsCardinalAxis(proBuilderShape.transform.up) &&
EditorSnapSettings.gridSnapEnabled &&
!EditorSnapSettings.incrementalSnapActive &&
!evt.alt)
{
var faceDelta = (s_SizeDelta * s_Faces[i].Normal);
var facePosition = s_StartPositionGlobal + faceDelta;
facePosition = ProBuilderSnapping.Snap(facePosition, EditorSnapping.activeMoveSnapValue);
targetSize += Vector3.Scale((facePosition - s_StartPositionGlobal), s_Scaling);
}
else
{
//Should we expand on the 2 sides?
var modifier = evt.alt ? 2f : 1f;
var delta = modifier * (s_SizeDelta * s_Faces[i].Normal);
delta.Scale(s_Scaling);
delta.Scale(s_StartScaleInverse);
targetSize += delta;
var snap = EditorSnapSettings.incrementalSnapActive
? Vector3.Scale(EditorSnapping.activeMoveSnapValue, Math.Abs(face.Normal))
: Vector3.zero;
targetSize = ProBuilderSnapping.Snap(targetSize, snap);
}
var center = Vector3.zero;
if (!evt.alt)
{
center = Vector3.Scale((targetSize - s_StartSize) / 2f, s_Scaling);
center = Vector3.Scale(center, Math.Sign(s_StartScale));
center = proBuilderShape.transform.TransformVector(center);
}
ApplyProperties(proBuilderShape, s_StartCenter + center, targetSize);
if (updatePrefs)
{
DrawShapeTool.SaveShapeParams(proBuilderShape);
}
}
}
}
static void DoSizeHandles(ProBuilderShape proBuilderShape, bool updatePrefs)
{
int faceCount = s_Faces.Length;
var evt = Event.current;
var is2D = proBuilderShape.shape is Plane || proBuilderShape.shape is Sprite;
for (int i = 0; i < faceCount; i++)
{
var face = faces[i];
if (is2D && !face.IsValid)
{
continue;
}
if (Event.current.type == EventType.Repaint)
{
Color color = k_BoundsHandleColor;
color.a *= face.IsVisible ? 1f : 0.5f;
using (new Handles.DrawingScope(color))
{
int pointsCount = face.Points.Length;
for (int k = 0; k < pointsCount; k++)
{
Handles.DrawLine(face.Points[k], face.Points[(k + 1) % pointsCount]);
}
}
}
if (DoFaceSizeHandle(face))
{
float modifier = 1f;
if (evt.alt)
{
modifier = 2f;
}
if (!s_SizeManipulationInit)
{
s_StartCenter = proBuilderShape.transform.position + proBuilderShape.transform.TransformVector(proBuilderShape.shapeBox.center);
s_StartPosition = face.CenterPosition;
s_StartSize = proBuilderShape.size;
s_SizeManipulationInit = true;
s_Scaling = Vector3.Scale(face.Normal, Math.Sign(s_StartSize));
}
var targetDelta = modifier * (s_TargetSize - s_StartPosition);
targetDelta.Scale(s_Scaling);
var targetSize = s_StartSize + targetDelta;
var snap = Math.IsCardinalAxis(proBuilderShape.transform.up) && EditorSnapSettings.gridSnapEnabled ?
EditorSnapping.activeMoveSnapValue :
Vector3.zero;
targetSize = ProBuilderSnapping.Snap(targetSize, snap);
var center = Vector3.zero;
if (!evt.alt)
{
center = Vector3.Scale((targetSize - s_StartSize) / 2f, s_Scaling);
center = Vector3.Scale(center, Math.Sign(proBuilderShape.transform.lossyScale));
center = proBuilderShape.transform.TransformVector(center);
}
ApplyProperties(proBuilderShape, s_StartCenter + center, targetSize);
if (updatePrefs)
{
DrawShapeTool.SaveShapeParams(proBuilderShape);
}
}
}
}
public void DrawShapeParametersGUI(DrawShapeTool tool = null)
{
if (target == null || serializedObject == null)
{
return;
}
serializedObject.Update();
var foldoutEnabled = tool == null ? s_foldoutEnabled : DrawShapeTool.s_SettingsEnabled.value;
foldoutEnabled = EditorGUILayout.Foldout(foldoutEnabled, m_ShapePropertyLabel, true);
if (tool == null)
{
s_foldoutEnabled = foldoutEnabled;
}
else
{
DrawShapeTool.s_SettingsEnabled.value = foldoutEnabled;
}
if (foldoutEnabled)
{
EditorGUI.indentLevel++;
EditorGUI.BeginChangeCheck();
m_ActiveShapeIndex = HasMultipleShapeTypes
? -1
: Mathf.Max(-1, Array.IndexOf(EditorShapeUtility.availableShapeTypes, m_CurrentShapeType));
m_ActiveShapeIndex = EditorGUILayout.Popup(m_ActiveShapeIndex, EditorShapeUtility.shapeTypes);
if (EditorGUI.EndChangeCheck())
{
var type = EditorShapeUtility.availableShapeTypes[m_ActiveShapeIndex];
foreach (var comp in targets)
{
ProBuilderShape proBuilderShape = ((ProBuilderShape)comp);
Shape shape = proBuilderShape.shape;
if (shape.GetType() != type)
{
if (tool != null)
{
DrawShapeTool.s_ActiveShapeIndex.value = m_ActiveShapeIndex;
}
UndoUtility.RecordComponents <Transform, ProBuilderMesh, ProBuilderShape>(new [] { proBuilderShape }, "Change Shape");
proBuilderShape.SetShape(EditorShapeUtility.CreateShape(type), proBuilderShape.pivotLocation);
ProBuilderEditor.Refresh();
}
}
}
if (tool)
{
EditorGUILayout.PropertyField(m_ShapePivotProperty, k_ShapePivotLabel);
}
var labelWidth = EditorGUIUtility.labelWidth;
var fieldWidth = EditorGUIUtility.fieldWidth;
EditorGUIUtility.labelWidth = 30;
EditorGUIUtility.fieldWidth = 30;
EditorGUILayout.BeginHorizontal();
EditorGUILayout.PropertyField(m_ShapeSizeXProperty, k_ShapeSizeXLabel);
var is2D = HasMultipleShapeTypes ||
(m_CurrentShapeType != typeof(Plane) && m_CurrentShapeType != typeof(Sprite));
using (new EditorGUI.DisabledScope(!is2D))
EditorGUILayout.PropertyField(m_ShapeSizeYProperty, k_ShapeSizeYLabel);
EditorGUILayout.PropertyField(m_ShapeSizeZProperty, k_ShapeSizeZLabel);
EditorGUILayout.EndHorizontal();
EditorGUIUtility.labelWidth = labelWidth;
EditorGUIUtility.fieldWidth = fieldWidth;
EditorGUI.indentLevel--;
}
if (!HasMultipleShapeTypes)
{
EditorGUILayout.PropertyField(m_ShapeProperty, new GUIContent("Shape Properties"), true);
}
if (serializedObject.ApplyModifiedProperties())
{
foreach (var comp in targets)
{
var shapeComponent = comp as ProBuilderShape;
if (shapeComponent.isEditable)
{
UndoUtility.RecordComponents <Transform, ProBuilderMesh, ProBuilderShape>(shapeComponent.GetComponents(typeof(Component)), "Resize Shape");
shapeComponent.UpdateComponent();
if (tool != null)
{
tool.SetBounds(shapeComponent.size);
DrawShapeTool.SaveShapeParams(shapeComponent);
}
ProBuilderEditor.Refresh();
}
}
}
GUI.enabled = true;
}
