public RectSelector(GUISystem guiSystem)
{
m_GUISystem = guiSystem;
m_RectSelectorControl = new GenericDefaultControl("RectSelector");
var start = Vector2.zero;
var rectEnd = Vector2.zero;
m_RectSelectAction = new SliderAction(m_RectSelectorControl)
{
enable = (guiState, action) => !IsAltDown(guiState),
enableRepaint = (guiState, action) =>
{
var size = start - rectEnd;
return(size != Vector2.zero && guiState.hotControl == action.ID);
},
onSliderBegin = (guiState, control, position) =>
{
start = guiState.mousePosition;
rectEnd = guiState.mousePosition;
m_GUIRect = FromToRect(start, rectEnd);
if (onSelectionBegin != null)
{
onSelectionBegin(this, guiState.isShiftDown);
}
},
onSliderChanged = (guiState, control, position) =>
{
rectEnd = guiState.mousePosition;
m_GUIRect = FromToRect(start, rectEnd);
if (onSelectionChanged != null)
{
onSelectionChanged(this);
}
},
onSliderEnd = (guiState, control, position) =>
{
if (onSelectionEnd != null)
{
onSelectionEnd(this);
}
},
onRepaint = (guiState, action) =>
{
Handles.BeginGUI();
styles.selectionRectStyle.Draw(m_GUIRect, GUIContent.none, false, false, false, false);
Handles.EndGUI();
}
};
m_GUISystem.AddControl(m_RectSelectorControl);
m_GUISystem.AddAction(m_RectSelectAction);
}
public void Install(GUISystem guiSystem)
{
guiSystem.AddControl(m_EdgeControl);
guiSystem.AddControl(m_PointControl);
guiSystem.AddControl(m_LeftTangentControl);
guiSystem.AddControl(m_RightTangentControl);
guiSystem.AddAction(m_CreatePointAction);
guiSystem.AddAction(m_RemovePointAction1);
guiSystem.AddAction(m_RemovePointAction2);
guiSystem.AddAction(m_MovePointAction);
guiSystem.AddAction(m_MoveEdgeAction);
guiSystem.AddAction(m_MoveLeftTangentAction);
guiSystem.AddAction(m_MoveRightTangentAction);
}
public RectSelector(GUISystem guiSystem)
{
m_GUISystem = guiSystem;
m_RectSelectorControl = new GenericDefaultControl("RectSelector")
{
position = (guiState) =>
{
return(GUIToWorld(guiState, guiState.mousePosition));
},
forward = (guiState) =>
{
if (Camera.current)
{
return(Camera.current.transform.forward);
}
return(Vector3.forward);
},
right = (guiState) =>
{
if (Camera.current)
{
return(Camera.current.transform.right);
}
return(Vector3.right);
},
up = (guiState) =>
{
if (Camera.current)
{
return(Camera.current.transform.up);
}
return(Vector3.up);
}
};
m_RectSelectAction = new SliderAction(m_RectSelectorControl)
{
enableRepaint = (guiState, action) =>
{
var size = m_RectStart - m_RectEnd;
return(size != Vector3.zero && guiState.hotControl == action.ID);
},
onClick = (guiState, control) =>
{
m_RectStart = GUIToWorld(guiState, guiState.mousePosition);
m_RectEnd = m_RectStart;
m_GUIRect = CalculateGUIRect();
},
onSliderBegin = (guiState, control, position) =>
{
m_RectEnd = position;
m_GUIRect = CalculateGUIRect();
if (onSelectionBegin != null)
{
onSelectionBegin(this, guiState.isShiftDown);
}
},
onSliderChanged = (guiState, control, position) =>
{
m_RectEnd = position;
m_GUIRect = CalculateGUIRect();
if (onSelectionChanged != null)
{
onSelectionChanged(this);
}
},
onSliderEnd = (guiState, control, position) =>
{
if (onSelectionEnd != null)
{
onSelectionEnd(this);
}
},
onRepaint = (guiState, action) =>
{
m_Drawer.DrawSelectionRect(m_GUIRect);
}
};
m_GUISystem.AddControl(m_RectSelectorControl);
m_GUISystem.AddAction(m_RectSelectAction);
}
private GUISystem CreateSystem(UnityObject target)
{
var guiSystem = new GUISystem(new GUIState());
GUIAction removePointAction = null;
var pointControl = new GenericControl("Point")
{
count = () =>
{
return(GetPointCount(target));
},
distance = (guiState, i) =>
{
var position = GetPointWorld(target, i);
return(ShapeEditorUtility.DistanceToCircle(position, ShapeEditorUtility.GetHandleSize(position) * 10f));
},
position = (i) =>
{
return(GetPointWorld(target, i));
},
forward = (i) =>
{
return(GetForward(target));
},
up = (i) =>
{
return(GetUp(target));
},
right = (i) =>
{
return(GetRight(target));
},
onRepaint = (IGUIState guiState, Control control, int index) =>
{
var position = GetPointWorld(target, index);
if (guiState.hotControl == control.actionID && control.hotLayoutData.index == index)
{
m_Drawer.DrawPointSelected(position);
}
else if (guiState.hotControl == 0 && guiState.nearestControl == control.ID && control.layoutData.index == index)
{
if (removePointAction.IsEnabled(guiState))
{
m_Drawer.DrawRemovePointPreview(position);
}
else
{
m_Drawer.DrawPointHovered(position);
}
}
else
{
m_Drawer.DrawPoint(position);
}
}
};
var edgeControl = new GenericControl("Edge")
{
count = () =>
{
return(GetPointCount(target));
},
distance = (IGUIState guiState, int index) =>
{
return(ShapeEditorUtility.DistanceToSegment(GetPointWorld(target, index), NextControlPoint(target, index)));
},
position = (i) =>
{
return(GetPointWorld(target, i));
},
forward = (i) =>
{
return(GetForward(target));
},
up = (i) =>
{
return(GetUp(target));
},
right = (i) =>
{
return(GetRight(target));
},
onRepaint = (IGUIState guiState, Control control, int index) =>
{
var nextIndex = NextIndex(target, index);
var prevIndex = PrevIndex(target, index);
var isEndpointHovered =
guiState.hotControl == 0 &&
guiState.nearestControl == pointControl.ID &&
(index == pointControl.layoutData.index || nextIndex == pointControl.layoutData.index);
var isPointHovered =
guiState.hotControl == 0 &&
guiState.nearestControl == pointControl.ID &&
index == pointControl.layoutData.index;
var color = Color.white;
if (guiState.hotControl == 0 && guiState.nearestControl == control.ID && control.layoutData.index == index)
{
color = Color.yellow;
}
else if (removePointAction.IsEnabled(guiState) && isEndpointHovered)
{
if (isPointHovered)
{
m_Drawer.DrawDottedLine(GetPointWorld(target, prevIndex), GetPointWorld(target, nextIndex), 5f, color);
}
color = Color.red;
}
m_Drawer.DrawLine(GetPointWorld(target, index), GetPointWorld(target, nextIndex), 5f, color);
}
};
var createPointAction = new CreatePointAction(pointControl, edgeControl)
{
enable = (guiState, action) =>
{
return(guiState.isShiftDown);
},
enableRepaint = (IGUIState guiState, GUIAction action) =>
{
return(guiState.nearestControl != pointControl.ID && guiState.hotControl == 0);
},
repaintOnMouseMove = (guiState, action) =>
{
return(true);
},
guiToWorld = (mousePosition) =>
{
return(GUIToWorld(target, mousePosition));
},
onCreatePoint = (int index, Vector3 position) =>
{
InsertPointWorld(target, index + 1, position);
},
onPreRepaint = (guiState, action) =>
{
var position = ClosestPointInEdge(target, guiState.mousePosition, edgeControl.layoutData.index);
m_Drawer.DrawCreatePointPreview(position);
}
};
removePointAction = new ClickAction(pointControl, 0)
{
enable = (guiState, action) =>
{
return(guiState.isActionKeyDown);
},
onClick = (GUIState, control) =>
{
if (GetPointCount(target) > 3)
{
RemovePoint(target, control.layoutData.index);
}
}
};
var movePointAction = new SliderAction(pointControl)
{
onSliderChanged = (guiState, control, position) =>
{
var index = control.hotLayoutData.index;
var pointPosition = GetPointWorld(target, index);
pointPosition = position;
SetPointWorld(target, index, pointPosition);
}
};
var moveEdgeAction = new SliderAction(edgeControl)
{
onSliderChanged = (guiState, control, position) =>
{
var index = control.hotLayoutData.index;
var pointPosition = GetPointWorld(target, index);
var delta = position - pointPosition;
pointPosition += delta;
SetPointWorld(target, index, pointPosition);
pointPosition = NextControlPoint(target, index);
pointPosition += delta;
SetPointWorld(target, NextIndex(target, index), pointPosition);
}
};
guiSystem.AddControl(edgeControl);
guiSystem.AddControl(pointControl);
guiSystem.AddAction(createPointAction);
guiSystem.AddAction(removePointAction);
guiSystem.AddAction(movePointAction);
guiSystem.AddAction(moveEdgeAction);
return(guiSystem);
}
public PathEditor(GUISystem guiSystem)
{
m_GUISystem = guiSystem;
var m_PointControl = new GenericControl("Point")
{
count = GetPointCount,
distance = (guiState, i) =>
{
var position = GetPoint(i).position;
return(guiState.DistanceToCircle(position, guiState.GetHandleSize(position) * 10f));
},
position = (i) => { return(GetPoint(i).position); },
forward = (i) => { return(GetForward()); },
up = (i) => { return(GetUp()); },
right = (i) => { return(GetRight()); },
onRepaint = DrawPoint
};
var m_EdgeControl = new GenericControl("Edge")
{
count = GetEdgeCount,
distance = DistanceToEdge,
position = (i) => { return(GetPoint(i).position); },
forward = (i) => { return(GetForward()); },
up = (i) => { return(GetUp()); },
right = (i) => { return(GetRight()); },
onRepaint = DrawEdge
};
m_EdgeControl.onEndLayout = (guiState) => { controller.AddClosestPath(m_EdgeControl.layoutData.distance); };
var m_LeftTangentControl = new GenericControl("LeftTangent")
{
count = () =>
{
if (GetShapeType() != ShapeType.Spline)
{
return(0);
}
return(GetPointCount());
},
distance = (guiState, i) =>
{
if (linearTangentIsZero && GetPoint(i).tangentMode == TangentMode.Linear)
{
return(float.MaxValue);
}
if (!IsSelected(i) || IsOpenEnded() && i == 0)
{
return(float.MaxValue);
}
var position = GetLeftTangent(i);
return(guiState.DistanceToCircle(position, guiState.GetHandleSize(position) * 10f));
},
position = (i) => { return(GetLeftTangent(i)); },
forward = (i) => { return(GetForward()); },
up = (i) => { return(GetUp()); },
right = (i) => { return(GetRight()); },
onRepaint = (guiState, control, i) =>
{
if (!IsSelected(i) || IsOpenEnded() && i == 0)
{
return;
}
var point = GetPoint(i);
if (linearTangentIsZero && point.tangentMode == TangentMode.Linear)
{
return;
}
var position = point.position;
var leftTangent = GetLeftTangent(i);
drawer.DrawTangent(position, leftTangent);
}
};
var m_RightTangentControl = new GenericControl("RightTangent")
{
count = () =>
{
if (GetShapeType() != ShapeType.Spline)
{
return(0);
}
return(GetPointCount());
},
distance = (guiState, i) =>
{
if (linearTangentIsZero && GetPoint(i).tangentMode == TangentMode.Linear)
{
return(float.MaxValue);
}
if (!IsSelected(i) || IsOpenEnded() && i == GetPointCount() - 1)
{
return(float.MaxValue);
}
var position = GetRightTangent(i);
return(guiState.DistanceToCircle(position, guiState.GetHandleSize(position) * 10f));
},
position = (i) => { return(GetRightTangent(i)); },
forward = (i) => { return(GetForward()); },
up = (i) => { return(GetUp()); },
right = (i) => { return(GetRight()); },
onRepaint = (guiState, control, i) =>
{
if (!IsSelected(i) || IsOpenEnded() && i == GetPointCount() - 1)
{
return;
}
var point = GetPoint(i);
if (linearTangentIsZero && point.tangentMode == TangentMode.Linear)
{
return;
}
var position = point.position;
var rightTangent = GetRightTangent(i);
drawer.DrawTangent(position, rightTangent);
}
};
var m_CreatePointAction = new CreatePointAction(m_PointControl, m_EdgeControl)
{
enable = (guiState, action) => !IsAltDown(guiState) && !guiState.isActionKeyDown && controller.closestEditablePath == controller.editablePath,
enableRepaint = (guiState, action) => EnableCreatePointRepaint(guiState, m_PointControl, m_LeftTangentControl, m_RightTangentControl),
repaintOnMouseMove = (guiState, action) => true,
guiToWorld = GUIToWorld,
onCreatePoint = (index, position) =>
{
controller.RegisterUndo("Create Point");
controller.CreatePoint(index, position);
},
onPreRepaint = (guiState, action) =>
{
if (GetPointCount() > 0)
{
var position = ClosestPointInEdge(guiState, guiState.mousePosition, m_EdgeControl.layoutData.index);
drawer.DrawCreatePointPreview(position);
}
}
};
Action <IGUIState> removePoints = (guiState) =>
{
controller.RegisterUndo("Remove Point");
controller.RemoveSelectedPoints();
guiState.changed = true;
};
var m_RemovePointAction1 = new CommandAction(kDeleteCommandName)
{
enable = (guiState, action) => { return(GetSelectedPointCount() > 0); },
onCommand = removePoints
};
var m_RemovePointAction2 = new CommandAction(kSoftDeleteCommandName)
{
enable = (guiState, action) => { return(GetSelectedPointCount() > 0); },
onCommand = removePoints
};
var dragged = false;
var m_MovePointAction = new SliderAction(m_PointControl)
{
enable = (guiState, action) => !IsAltDown(guiState),
onClick = (guiState, control) =>
{
dragged = false;
var index = control.layoutData.index;
if (!IsSelected(index))
{
controller.RegisterUndo("Selection");
if (!guiState.isActionKeyDown)
{
controller.ClearSelection();
}
controller.SelectPoint(index, true);
guiState.changed = true;
}
},
onSliderChanged = (guiState, control, position) =>
{
var index = control.hotLayoutData.index;
var delta = SnapIfNeeded(position) - GetPoint(index).position;
if (!dragged)
{
controller.RegisterUndo("Move Point");
dragged = true;
}
controller.MoveSelectedPoints(delta);
}
};
var m_MoveEdgeAction = new SliderAction(m_EdgeControl)
{
enable = (guiState, action) => !IsAltDown(guiState) && guiState.isActionKeyDown,
onSliderBegin = (guiState, control, position) =>
{
dragged = false;
},
onSliderChanged = (guiState, control, position) =>
{
var index = control.hotLayoutData.index;
var delta = position - GetPoint(index).position;
if (!dragged)
{
controller.RegisterUndo("Move Edge");
dragged = true;
}
controller.MoveEdge(index, delta);
}
};
var cachedRightTangent = Vector3.zero;
var cachedLeftTangent = Vector3.zero;
var cachedTangentMode = TangentMode.Linear;
var m_MoveLeftTangentAction = new SliderAction(m_LeftTangentControl)
{
enable = (guiState, action) => !IsAltDown(guiState),
onSliderBegin = (guiState, control, position) =>
{
dragged = false;
var point = GetPoint(control.hotLayoutData.index);
cachedRightTangent = point.rightTangent;
cachedTangentMode = point.tangentMode;
},
onSliderChanged = (guiState, control, position) =>
{
var index = control.hotLayoutData.index;
var setToLinear = m_PointControl.distance(guiState, index) <= DefaultControl.kPickDistance;
if (!dragged)
{
controller.RegisterUndo("Move Tangent");
dragged = true;
}
position = SnapIfNeeded(position);
controller.SetLeftTangent(index, position, setToLinear, guiState.isShiftDown, cachedRightTangent, cachedTangentMode);
}
};
var m_MoveRightTangentAction = new SliderAction(m_RightTangentControl)
{
enable = (guiState, action) => !IsAltDown(guiState),
onSliderBegin = (guiState, control, position) =>
{
dragged = false;
var point = GetPoint(control.hotLayoutData.index);
cachedLeftTangent = point.leftTangent;
cachedTangentMode = point.tangentMode;
},
onSliderChanged = (guiState, control, position) =>
{
var index = control.hotLayoutData.index;
var setToLinear = m_PointControl.distance(guiState, index) <= DefaultControl.kPickDistance;
if (!dragged)
{
controller.RegisterUndo("Move Tangent");
dragged = true;
}
position = SnapIfNeeded(position);
controller.SetRightTangent(index, position, setToLinear, guiState.isShiftDown, cachedLeftTangent, cachedTangentMode);
}
};
m_GUISystem.AddControl(m_EdgeControl);
m_GUISystem.AddControl(m_PointControl);
m_GUISystem.AddControl(m_LeftTangentControl);
m_GUISystem.AddControl(m_RightTangentControl);
m_GUISystem.AddAction(m_CreatePointAction);
m_GUISystem.AddAction(m_RemovePointAction1);
m_GUISystem.AddAction(m_RemovePointAction2);
m_GUISystem.AddAction(m_MovePointAction);
m_GUISystem.AddAction(m_MoveEdgeAction);
m_GUISystem.AddAction(m_MoveLeftTangentAction);
m_GUISystem.AddAction(m_MoveRightTangentAction);
}
public void AddNullAction_Trows()
{
Assert.Throws <System.NullReferenceException>(() => { m_GUISystem.AddAction(null); }, "Adding null action should throw");
}