/// <summary>
/// Opens the event edit window for the specified event.
/// </summary>
/// <param name="eventIdx">Event index to open the edit window for.</param>
private void StartEventEdit(int eventIdx)
{
AnimationEvent animEvent = events[eventIdx].animEvent;
Vector2I position = new Vector2I();
position.x = guiEvents.GetOffset(animEvent.Time);
position.y = EVENTS_HEIGHT / 2;
Rect2I eventBounds = GUIUtility.CalculateBounds(eventsPanel, window.GUI);
Vector2I windowPos = position + new Vector2I(eventBounds.x, eventBounds.y);
SceneObject so = window.SelectedSO;
Component[] components = so.GetComponents();
string[] componentNames = new string[components.Length];
for (int i = 0; i < components.Length; i++)
{
componentNames[i] = components[i].GetType().Name;
}
EventEditWindow editWindow = DropDownWindow.Open <EventEditWindow>(window, windowPos);
editWindow.Initialize(animEvent, componentNames, () =>
{
UpdateEventsGUI();
OnEventModified?.Invoke();
});
}
/// <summary>
/// Converts screen coordinates in coordinates relative to the panel containing the key editor control.
/// </summary>
/// <param name="screenPos">Coordinates in screen space.</param>
/// <returns>Coordinates relative to the key editor control.</returns>
private Vector2I ScreenToKeyEditorPos(Vector2I screenPos)
{
Vector2I windowPos = ScreenToWindowPos(screenPos);
Rect2I elementBounds = GUIUtility.CalculateBounds(editorPanel, GUI);
return(windowPos - new Vector2I(elementBounds.x, elementBounds.y));
}
/// <summary>
/// Creates the scene camera and updates the render texture. Should be called at least once before using the
/// scene view. Should be called whenever the window is resized.
/// </summary>
/// <param name="width">Width of the scene render target, in pixels.</param>
/// <param name="height">Height of the scene render target, in pixels.</param>
private void UpdateRenderTexture(int width, int height)
{
width = MathEx.Max(20, width);
height = MathEx.Max(20, height);
// Note: Depth buffer is required because ScenePicking uses it
renderTexture = new RenderTexture2D(PixelFormat.R8G8B8A8, width, height, 1, false, true);
renderTexture.Priority = 1;
if (camera == null)
{
SceneObject sceneCameraSO = new SceneObject("SceneCamera", true);
camera = sceneCameraSO.AddComponent <Camera>();
camera.Target = renderTexture;
camera.ViewportRect = new Rect2(0.0f, 0.0f, 1.0f, 1.0f);
sceneCameraSO.Position = new Vector3(0, 0.5f, 1);
sceneCameraSO.LookAt(new Vector3(0, 0.5f, 0));
camera.Priority = 2;
camera.NearClipPlane = 0.05f;
camera.FarClipPlane = 2500.0f;
camera.ClearColor = ClearColor;
camera.Layers = UInt64.MaxValue & ~SceneAxesHandle.LAYER; // Don't draw scene axes in this camera
cameraController = sceneCameraSO.AddComponent <SceneCamera>();
renderTextureGUI = new GUIRenderTexture(renderTexture);
rtPanel.AddElement(renderTextureGUI);
sceneGrid = new SceneGrid(camera);
sceneSelection = new SceneSelection(camera);
sceneGizmos = new SceneGizmos(camera);
sceneHandles = new SceneHandles(this, camera);
}
else
{
camera.Target = renderTexture;
renderTextureGUI.RenderTexture = renderTexture;
}
Rect2I rtBounds = new Rect2I(0, 0, width, height);
renderTextureGUI.Bounds = rtBounds;
focusCatcher.Bounds = GUIUtility.CalculateBounds(rtPanel, GUI);
sceneAxesGUI.SetPosition(width - HandleAxesGUISize - HandleAxesGUIPaddingX, HandleAxesGUIPaddingY);
// TODO - Consider only doing the resize once user stops resizing the widget in order to reduce constant
// render target destroy/create cycle for every single pixel.
camera.AspectRatio = width / (float)height;
if (profilerCamera != null)
{
profilerCamera.Target = renderTexture;
}
}
/// <summary>
/// Creates the scene camera and updates the render texture. Should be called at least once before using the
/// scene view. Should be called whenever the window is resized.
/// </summary>
/// <param name="width">Width of the scene render target, in pixels.</param>
/// <param name="height">Height of the scene render target, in pixels.</param>
private void UpdateRenderTexture(int width, int height)
{
width = MathEx.Max(20, width);
height = MathEx.Max(20, height);
// Note: Depth buffer and readable flags are required because ScenePicking uses it
Texture colorTex = Texture.Create2D((uint)width, (uint)height, PixelFormat.RGBA8, TextureUsage.Render | TextureUsage.CPUReadable);
Texture depthTex = Texture.Create2D((uint)width, (uint)height, PixelFormat.D32_S8X24, TextureUsage.DepthStencil | TextureUsage.CPUReadable);
renderTexture = new RenderTexture(colorTex, depthTex);
renderTexture.Priority = 1;
if (camera == null)
{
SceneObject sceneCameraSO = new SceneObject("SceneCamera", true);
camera = sceneCameraSO.AddComponent <Camera>();
camera.Viewport.Target = renderTexture;
camera.Viewport.Area = new Rect2(0.0f, 0.0f, 1.0f, 1.0f);
sceneCameraSO.Position = new Vector3(0, 0.5f, 1);
sceneCameraSO.LookAt(new Vector3(0, 0.5f, 0));
camera.Priority = 2;
camera.Viewport.ClearColor = ClearColor;
camera.Layers = UInt64.MaxValue & ~SceneAxesHandle.LAYER; // Don't draw scene axes in this camera
cameraController = sceneCameraSO.AddComponent <SceneCamera>();
cameraController.Initialize();
renderTextureGUI = new GUIRenderTexture(renderTexture);
rtPanel.AddElement(renderTextureGUI);
sceneGrid = new SceneGrid(camera);
sceneSelection = new SceneSelection(camera);
sceneGizmos = new SceneGizmos(camera);
sceneHandles = new SceneHandles(this, camera);
}
else
{
camera.Viewport.Target = renderTexture;
renderTextureGUI.RenderTexture = renderTexture;
}
Rect2I rtBounds = new Rect2I(0, 0, width, height);
renderTextureGUI.Bounds = rtBounds;
focusCatcher.Bounds = GUIUtility.CalculateBounds(rtPanel, GUI);
sceneAxesGUI.SetPosition(width - HandleAxesGUISize - HandleAxesGUIPaddingX, HandleAxesGUIPaddingY);
// TODO - Consider only doing the resize once user stops resizing the widget in order to reduce constant
// render target destroy/create cycle for every single pixel.
camera.AspectRatio = width / (float)height;
}
/// <summary>
/// Converts coordinates in window space (relative to the parent window origin) into coordinates in curve space.
/// </summary>
/// <param name="windowPos">Coordinates relative to parent editor window, in pixels.</param>
/// <param name="curveCoord">Curve coordinates within the range as specified by <see cref="Range"/>. Only
/// valid when function returns true.</param>
/// <returns>True if the coordinates are within the curve area, false otherwise.</returns>
public bool WindowToCurveSpace(Vector2I windowPos, out Vector2 curveCoord)
{
Rect2I elementBounds = GUIUtility.CalculateBounds(gui, window.GUI);
Vector2I pointerPos = windowPos - new Vector2I(elementBounds.x, elementBounds.y);
Rect2I drawingBounds = drawingPanel.Bounds;
Vector2I drawingPos = pointerPos - new Vector2I(drawingBounds.x, drawingBounds.y);
return(guiCurveDrawing.PixelToCurveSpace(drawingPos, out curveCoord));
}
private void OnCameraOptionsClicked()
{
Vector2I openPosition;
Rect2I buttonBounds = GUIUtility.CalculateBounds(cameraOptionsButton, GUI);
openPosition.x = buttonBounds.x + buttonBounds.width / 2;
openPosition.y = buttonBounds.y + buttonBounds.height / 2;
SceneCameraOptionsDropdown cameraOptionsDropdown = DropDownWindow.Open <SceneCameraOptionsDropdown>(GUI, openPosition);
cameraOptionsDropdown.Initialize(this);
}
/// <summary>
/// Triggered when the user clicks on the create button on the title bar. Creates a brand new object with default
/// values in the place of the current array.
/// </summary>
private void OnCreateButtonClicked()
{
if (createContextMenu == null)
{
return;
}
Rect2I bounds = GUIUtility.CalculateBounds(guiCreateBtn, guiInternalTitleLayout);
Vector2I position = new Vector2I(bounds.x + bounds.width / 2, bounds.y + bounds.height / 2);
createContextMenu.Open(position, guiInternalTitleLayout);
}
/// <summary>
/// Triggered when the user clicks on the create button on the title bar. Creates a brand new object with default
/// values in the place of the current array.
/// </summary>
private void OnCreateButtonClicked()
{
if (createContextMenu == null)
{
if (instantiableTypes.Length > 0)
{
property.SetValue(Activator.CreateInstance(instantiableTypes[0]));
}
}
else
{
Rect2I bounds = GUIUtility.CalculateBounds(guiCreateBtn, guiInternalTitleLayout);
Vector2I position = new Vector2I(bounds.x + bounds.width / 2, bounds.y + bounds.height / 2);
createContextMenu.Open(position, guiInternalTitleLayout);
}
}
/// <summary>
/// Converts screen coordinates into coordinates relative to the scene view render texture.
/// </summary>
/// <param name="screenPos">Coordinates relative to the screen.</param>
/// <param name="scenePos">Output coordinates relative to the scene view texture.</param>
/// <returns>True if the coordinates are within the scene view texture, false otherwise.</returns>
private bool ScreenToScenePos(Vector2I screenPos, out Vector2I scenePos)
{
scenePos = screenPos;
Vector2I windowPos = ScreenToWindowPos(screenPos);
Rect2I bounds = GUIUtility.CalculateBounds(renderTextureGUI, GUI);
if (bounds.Contains(windowPos))
{
scenePos.x = windowPos.x - bounds.x;
scenePos.y = windowPos.y - bounds.y;
return(true);
}
return(false);
}
/// <summary>
/// Opens the edit window for the currently selected keyframe.
/// </summary>
private void EditSelectedKeyframe()
{
if (disableCurveEdit)
{
ShowReadOnlyMessage();
return;
}
if (selectedKeyframes.Count == 0)
{
return;
}
EdAnimationCurve curve = curveInfos[selectedKeyframes[0].curveIdx].curve;
KeyFrame[] keyFrames = curve.KeyFrames;
int keyIndex = selectedKeyframes[0].keyIndices[0];
KeyFrame keyFrame = keyFrames[keyIndex];
Vector2I position = guiCurveDrawing.CurveToPixelSpace(new Vector2(keyFrame.time, keyFrame.value));
Rect2I drawingBounds = GUIUtility.CalculateBounds(drawingPanel, window.GUI);
position.x = MathEx.Clamp(position.x, 0, drawingBounds.width);
position.y = MathEx.Clamp(position.y, 0, drawingBounds.height);
Vector2I windowPos = position + new Vector2I(drawingBounds.x, drawingBounds.y);
KeyframeEditWindow editWindow = DropDownWindow.Open <KeyframeEditWindow>(window, windowPos);
editWindow.Initialize(keyFrame, x =>
{
curve.UpdateKeyframe(keyIndex, x.time, x.value);
curve.Apply();
// TODO UNDOREDO
guiCurveDrawing.Rebuild();
OnCurveModified?.Invoke();
});
}
/// <summary>
/// Returns the bounds of the GUI element relative to the provided panel.
/// </summary>
public Rect2I GetBounds(GUIPanel relativeTo)
{
return(GUIUtility.CalculateBounds(canvas, relativeTo));
}
/// <summary>
/// Handles input. Should be called by the owning window whenever a pointer is moved.
/// </summary>
/// <param name="ev">Object containing pointer move event information.</param>
internal void OnPointerMoved(PointerEvent ev)
{
if (ev.Button != PointerButton.Left)
{
return;
}
if (isPointerHeld)
{
Vector2I windowPos = window.ScreenToWindowPos(ev.ScreenPos);
Rect2I elementBounds = GUIUtility.CalculateBounds(gui, window.GUI);
Vector2I pointerPos = windowPos - new Vector2I(elementBounds.x, elementBounds.y);
if (isMousePressedOverKey || isMousePressedOverTangent)
{
Rect2I drawingBounds = drawingPanel.Bounds;
Vector2I drawingPos = pointerPos - new Vector2I(drawingBounds.x, drawingBounds.y);
if (!isDragInProgress)
{
int distance = Vector2I.Distance(drawingPos, dragStart);
if (distance >= DRAG_START_DISTANCE)
{
if (isMousePressedOverKey && !disableCurveEdit)
{
draggedKeyframes.Clear();
foreach (var selectedEntry in selectedKeyframes)
{
EdAnimationCurve curve = curveInfos[selectedEntry.curveIdx].curve;
KeyFrame[] keyFrames = curve.KeyFrames;
DraggedKeyframes newEntry = new DraggedKeyframes();
newEntry.curveIdx = selectedEntry.curveIdx;
draggedKeyframes.Add(newEntry);
foreach (var keyframeIdx in selectedEntry.keyIndices)
{
newEntry.keys.Add(new DraggedKeyframe(keyframeIdx, keyFrames[keyframeIdx]));
}
}
}
// TODO - UNDOREDO record keyframe or tangent
isDragInProgress = true;
}
}
if (isDragInProgress)
{
if (isMousePressedOverKey && !disableCurveEdit)
{
Vector2 diff = Vector2.Zero;
Vector2 dragStartCurve;
if (guiCurveDrawing.PixelToCurveSpace(dragStart, out dragStartCurve))
{
Vector2 currentPosCurve;
if (guiCurveDrawing.PixelToCurveSpace(drawingPos, out currentPosCurve))
{
diff = currentPosCurve - dragStartCurve;
}
}
foreach (var draggedEntry in draggedKeyframes)
{
EdAnimationCurve curve = curveInfos[draggedEntry.curveIdx].curve;
for (int i = 0; i < draggedEntry.keys.Count; i++)
{
DraggedKeyframe draggedKey = draggedEntry.keys[i];
float newTime = draggedKey.original.time + diff.x;
float newValue = draggedKey.original.value + diff.y;
int newIndex = curve.UpdateKeyframe(draggedKey.index, newTime, newValue);
// It's possible key changed position due to time change, but since we're moving all
// keys at once they cannot change position relative to one another, otherwise we would
// need to update indices for other keys as well.
draggedKey.index = newIndex;
draggedEntry.keys[i] = draggedKey;
}
curve.Apply();
}
// Rebuild selected keys from dragged keys (after potential sorting)
ClearSelection();
foreach (var draggedEntry in draggedKeyframes)
{
foreach (var keyframe in draggedEntry.keys)
{
SelectKeyframe(new KeyframeRef(draggedEntry.curveIdx, keyframe.index));
}
}
OnCurveModified?.Invoke();
guiCurveDrawing.Rebuild();
UpdateEventsGUI();
}
else if (isMousePressedOverTangent && !disableCurveEdit)
{
EdAnimationCurve curve = curveInfos[draggedTangent.keyframeRef.curveIdx].curve;
KeyFrame keyframe = curve.KeyFrames[draggedTangent.keyframeRef.keyIdx];
Vector2 keyframeCurveCoords = new Vector2(keyframe.time, keyframe.value);
Vector2 currentPosCurve;
if (guiCurveDrawing.PixelToCurveSpace(drawingPos, out currentPosCurve))
{
Vector2 normal = currentPosCurve - keyframeCurveCoords;
normal = normal.Normalized;
float tangent = EdAnimationCurve.NormalToTangent(normal);
if (draggedTangent.type == TangentType.In)
{
if (normal.x > 0.0f)
{
tangent = float.PositiveInfinity;
}
keyframe.inTangent = -tangent;
if (curve.TangentModes[draggedTangent.keyframeRef.keyIdx] == TangentMode.Free)
{
keyframe.outTangent = -tangent;
}
}
else
{
if (normal.x < 0.0f)
{
tangent = float.PositiveInfinity;
}
keyframe.outTangent = tangent;
if (curve.TangentModes[draggedTangent.keyframeRef.keyIdx] == TangentMode.Free)
{
keyframe.inTangent = tangent;
}
}
curve.KeyFrames[draggedTangent.keyframeRef.keyIdx] = keyframe;
curve.Apply();
OnCurveModified?.Invoke();
guiCurveDrawing.Rebuild();
}
}
}
}
else // Move frame marker
{
int frameIdx = guiTimeline.GetFrame(pointerPos);
if (frameIdx != -1)
{
SetMarkedFrame(frameIdx);
}
OnFrameSelected?.Invoke(frameIdx);
}
}
}
/// <summary>
/// Handles input. Should be called by the owning window whenever a pointer is pressed.
/// </summary>
/// <param name="ev">Object containing pointer press event information.</param>
internal void OnPointerPressed(PointerEvent ev)
{
if (ev.IsUsed)
{
return;
}
Vector2I windowPos = window.ScreenToWindowPos(ev.ScreenPos);
Rect2I elementBounds = GUIUtility.CalculateBounds(gui, window.GUI);
Vector2I pointerPos = windowPos - new Vector2I(elementBounds.x, elementBounds.y);
Rect2I drawingBounds = drawingPanel.Bounds;
Vector2I drawingPos = pointerPos - new Vector2I(drawingBounds.x, drawingBounds.y);
Rect2I eventBounds = eventsPanel.Bounds;
Vector2I eventPos = pointerPos - new Vector2I(eventBounds.x, eventBounds.y);
if (ev.Button == PointerButton.Left)
{
Vector2 curveCoord;
if (guiCurveDrawing.PixelToCurveSpace(drawingPos, out curveCoord))
{
KeyframeRef keyframeRef;
if (!guiCurveDrawing.FindKeyFrame(drawingPos, out keyframeRef))
{
TangentRef tangentRef;
if (guiCurveDrawing.FindTangent(drawingPos, out tangentRef))
{
isMousePressedOverTangent = true;
dragStart = drawingPos;
draggedTangent = tangentRef;
}
else
{
ClearSelection();
}
}
else
{
if (!IsSelected(keyframeRef))
{
if (!Input.IsButtonHeld(ButtonCode.LeftShift) && !Input.IsButtonHeld(ButtonCode.RightShift))
{
ClearSelection();
}
SelectKeyframe(keyframeRef);
}
isMousePressedOverKey = true;
dragStart = drawingPos;
}
guiCurveDrawing.Rebuild();
UpdateEventsGUI();
}
else
{
int frameIdx = guiTimeline.GetFrame(pointerPos);
if (frameIdx != -1)
{
SetMarkedFrame(frameIdx);
}
else
{
int eventIdx;
if (guiEvents.FindEvent(eventPos, out eventIdx))
{
if (!Input.IsButtonHeld(ButtonCode.LeftShift) && !Input.IsButtonHeld(ButtonCode.RightShift))
{
ClearSelection();
}
events[eventIdx].selected = true;
UpdateEventsGUI();
}
else
{
ClearSelection();
guiCurveDrawing.Rebuild();
UpdateEventsGUI();
}
}
OnFrameSelected?.Invoke(frameIdx);
}
isPointerHeld = true;
}
else if (ev.Button == PointerButton.Right)
{
Vector2 curveCoord;
if (guiCurveDrawing.PixelToCurveSpace(drawingPos, out curveCoord))
{
contextClickPosition = drawingPos;
KeyframeRef keyframeRef;
if (!guiCurveDrawing.FindKeyFrame(drawingPos, out keyframeRef))
{
ClearSelection();
blankContextMenu.Open(pointerPos, gui);
guiCurveDrawing.Rebuild();
UpdateEventsGUI();
}
else
{
// If clicked outside of current selection, just select the one keyframe
if (!IsSelected(keyframeRef))
{
ClearSelection();
SelectKeyframe(keyframeRef);
guiCurveDrawing.Rebuild();
UpdateEventsGUI();
}
keyframeContextMenu.Open(pointerPos, gui);
}
}
else if (guiEvents.GetFrame(eventPos) != -1) // Clicked over events bar
{
contextClickPosition = eventPos;
int eventIdx;
if (!guiEvents.FindEvent(eventPos, out eventIdx))
{
ClearSelection();
blankEventContextMenu.Open(pointerPos, gui);
guiCurveDrawing.Rebuild();
UpdateEventsGUI();
}
else
{
// If clicked outside of current selection, just select the one event
if (!events[eventIdx].selected)
{
ClearSelection();
events[eventIdx].selected = true;
guiCurveDrawing.Rebuild();
UpdateEventsGUI();
}
eventContextMenu.Open(pointerPos, gui);
}
}
}
}
