/// <summary>
/// Attempts to find an event under the provided coordinates.
/// </summary>
/// <param name="pixelCoords">Coordinates relative to the layout the GUI element is on.</param>
/// <param name="eventIdx">Index of the event that was clicked on. Index references the events array as provided
/// to <see cref="SetEvents"/>. Only valid if method returns true.</param>
/// <returns>True if an event was found under the coordinates, false otherwise.</returns>
public bool FindEvent(Vector2I pixelCoords, out int eventIdx)
{
Rect2I bounds = canvas.Bounds;
if (pixelCoords.x < (bounds.x + PADDING) || pixelCoords.x >= (bounds.x + bounds.width - PADDING) ||
pixelCoords.y < bounds.y || pixelCoords.y >= (bounds.y + bounds.height))
{
eventIdx = -1;
return false;
}
Vector2I relativeCoords = pixelCoords - new Vector2I(bounds.x, bounds.y);
for (int i = 0; i < events.Length; i++)
{
AnimationEvent evnt = events[i];
int xPos = (int)(((evnt.Time - rangeOffset) / GetRange()) * drawableWidth) + PADDING;
if (relativeCoords.x >= (xPos - EVENT_HALF_WIDTH) && relativeCoords.x <= (xPos + EVENT_HALF_WIDTH))
{
eventIdx = i;
return true;
}
}
eventIdx = -1;
return false;
}
/// <summary>
/// Returns true if the rectangle contains the provided point.
/// </summary>
/// <param name="point">Point to check if it is in rectangle.</param>
/// <returns>True if the point within rectangle bounds.</returns>
public bool Contains(Vector2I point)
{
if(point.x >= x && point.x < (x + width))
{
if(point.y >= y && point.y < (y + height))
return true;
}
return false;
}
private static extern void Internal_GetPointerDelta(out Vector2I delta);
/// <summary>
/// Attempts to find a scene object under the provided position, while also returning the world position and normal
/// of the point that was hit.
/// </summary>
/// <param name="pointerPos">Position of the pointer relative to the scene camera viewport.</param>
/// <param name="data">Position and normal on the object surface at the point that was hit.</param>
/// <param name="ignoreSceneObjects">Optional set of objects to ignore during scene picking.</param>
/// <returns>The object the pointer is snapping to.</returns>
internal SceneObject Snap(Vector2I pointerPos, out SnapData data, SceneObject[] ignoreSceneObjects = null)
{
return Internal_Snap(mCachedPtr, ref pointerPos, out data, ignoreSceneObjects);
}
private static extern SceneObject Internal_Snap(IntPtr thisPtr, ref Vector2I pointerPos, out SnapData data, SceneObject[] ignoreRenderables);
/// <summary>
/// Handles input over the color box, moving the handle as needed.
/// </summary>
/// <param name="windowPos">Position of the pointer relative to the color picker window.</param>
public void UpdateInput(Vector2I windowPos)
{
if (Input.IsPointerButtonHeld(PointerButton.Left))
{
Rect2I bounds = guiTexture.Bounds;
if (bounds.Contains(windowPos))
{
Vector2 newValue = Vector2.Zero;
newValue.x = (windowPos.x - bounds.x) / (float)bounds.width;
newValue.y = 1.0f - (windowPos.y - bounds.y) / (float)bounds.height;
SetValue(newValue);
}
}
}
private static extern void Internal_DrawLine(IntPtr nativeInstance, ref Vector2I a, ref Vector2I b,
ref Color color, byte depth);
private void OnEditorUpdate()
{
if (HasFocus)
{
if (!Input.IsPointerButtonHeld(PointerButton.Right))
{
if (VirtualInput.IsButtonDown(EditorApplication.DuplicateKey))
DuplicateSelection();
else if (VirtualInput.IsButtonDown(EditorApplication.DeleteKey))
DeleteSelection();
else if (VirtualInput.IsButtonDown(toggleProfilerOverlayKey))
EditorSettings.SetBool(ProfilerOverlayActiveKey, !EditorSettings.GetBool(ProfilerOverlayActiveKey));
else if(VirtualInput.IsButtonDown(viewToolKey))
EditorApplication.ActiveSceneTool = SceneViewTool.View;
else if(VirtualInput.IsButtonDown(moveToolKey))
EditorApplication.ActiveSceneTool = SceneViewTool.Move;
else if(VirtualInput.IsButtonDown(rotateToolKey))
EditorApplication.ActiveSceneTool = SceneViewTool.Rotate;
else if(VirtualInput.IsButtonDown(scaleToolKey))
EditorApplication.ActiveSceneTool = SceneViewTool.Scale;
}
}
// Refresh GUI buttons if needed (in case someones changes the values from script)
if (editorSettingsHash != EditorSettings.Hash)
{
UpdateButtonStates();
UpdateProfilerOverlay();
editorSettingsHash = EditorSettings.Hash;
}
// Update scene view handles and selection
sceneGizmos.Draw();
sceneGrid.Draw();
bool handleActive = sceneHandles.IsActive() || sceneAxesGUI.IsActive();
Vector2I scenePos;
bool inBounds = ScreenToScenePos(Input.PointerPosition, out scenePos);
bool dragResult = false;
if (Input.IsPointerButtonUp(PointerButton.Left))
{
dragResult = EndDragSelection();
if (sceneHandles.IsActive())
sceneHandles.ClearSelection();
if (sceneAxesGUI.IsActive())
sceneAxesGUI.ClearSelection();
}
else if (Input.IsPointerButtonDown(PointerButton.Left))
{
mouseDownPosition = scenePos;
}
bool draggedOver = DragDrop.DragInProgress || DragDrop.DropInProgress;
draggedOver &= IsPointerHovering && inBounds && DragDrop.Type == DragDropType.Resource;
if (draggedOver)
{
if (DragDrop.DropInProgress)
{
dragActive = false;
if (draggedSO != null)
{
Selection.SceneObject = draggedSO;
EditorApplication.SetSceneDirty();
}
draggedSO = null;
}
else
{
if (!dragActive)
{
dragActive = true;
ResourceDragDropData dragData = (ResourceDragDropData)DragDrop.Data;
string[] draggedPaths = dragData.Paths;
for (int i = 0; i < draggedPaths.Length; i++)
{
ResourceMeta meta = ProjectLibrary.GetMeta(draggedPaths[i]);
if (meta != null)
{
if (meta.ResType == ResourceType.Mesh)
{
if (!string.IsNullOrEmpty(draggedPaths[i]))
{
string meshName = Path.GetFileNameWithoutExtension(draggedPaths[i]);
draggedSO = UndoRedo.CreateSO(meshName, "Created a new Renderable \"" + meshName + "\"");
Mesh mesh = ProjectLibrary.Load<Mesh>(draggedPaths[i]);
Renderable renderable = draggedSO.AddComponent<Renderable>();
renderable.Mesh = mesh;
if (mesh != null)
draggedSOOffset = mesh.Bounds.Box.Center;
else
draggedSOOffset = Vector3.Zero;
}
break;
}
else if (meta.ResType == ResourceType.Prefab)
{
if (!string.IsNullOrEmpty(draggedPaths[i]))
{
Prefab prefab = ProjectLibrary.Load<Prefab>(draggedPaths[i]);
draggedSO = UndoRedo.Instantiate(prefab, "Instantiating " + prefab.Name);
if (draggedSO != null)
{
AABox draggedObjBounds = EditorUtility.CalculateBounds(draggedSO);
draggedSOOffset = draggedObjBounds.Center;
}
else
draggedSOOffset = Vector3.Zero;
}
break;
}
}
}
}
if (draggedSO != null)
{
if (Input.IsButtonHeld(ButtonCode.Space))
{
SnapData snapData;
sceneSelection.Snap(scenePos, out snapData, new SceneObject[] {draggedSO});
Quaternion q = Quaternion.FromToRotation(Vector3.YAxis, snapData.normal);
draggedSO.Position = snapData.position;
draggedSO.Rotation = q;
}
else
{
Ray worldRay = camera.ViewportToWorldRay(scenePos);
draggedSO.Position = worldRay * DefaultPlacementDepth - draggedSOOffset;
}
}
}
return;
}
else
{
if (dragActive)
{
dragActive = false;
if (draggedSO != null)
{
draggedSO.Destroy();
draggedSO = null;
}
}
}
if (HasContentFocus || IsPointerHovering)
{
cameraController.EnableInput(true);
if (inBounds && HasContentFocus)
{
if (Input.IsPointerButtonDown(PointerButton.Left))
{
Rect2I sceneAxesGUIBounds = new Rect2I(Width - HandleAxesGUISize - HandleAxesGUIPaddingX,
HandleAxesGUIPaddingY, HandleAxesGUISize, HandleAxesGUISize);
if (sceneAxesGUIBounds.Contains(scenePos))
sceneAxesGUI.TrySelect(scenePos);
else
sceneHandles.TrySelect(scenePos);
}
else if (Input.IsPointerButtonHeld(PointerButton.Left) && !handleActive && !dragActive &&
draggedSO == null && scenePos != mouseDownPosition)
{
if (isDraggingSelection)
UpdateDragSelection(scenePos);
else
StartDragSelection(scenePos);
}
else if (Input.IsPointerButtonUp(PointerButton.Left))
{
if (!handleActive && !dragActive && !dragResult)
{
bool ctrlHeld = Input.IsButtonHeld(ButtonCode.LeftControl) ||
Input.IsButtonHeld(ButtonCode.RightControl);
sceneSelection.PickObject(scenePos, ctrlHeld, new SceneObject[] {draggedSO});
}
}
}
}
else
cameraController.EnableInput(false);
SceneHandles.BeginInput();
sceneHandles.UpdateInput(scenePos, Input.PointerDelta);
sceneHandles.Draw();
sceneAxesGUI.UpdateInput(scenePos);
sceneAxesGUI.Draw();
SceneHandles.EndInput();
sceneSelection.Draw();
UpdateGridMode();
if (VirtualInput.IsButtonDown(frameKey))
cameraController.FrameSelected();
}
private static extern void Internal_ClipToScreen(IntPtr instance, ref Vector2 value, out Vector2I output);
private static extern void Internal_ScreenToClip(IntPtr instance, ref Vector2I value, out Vector2 output);
private static extern void Internal_ScreenToView(IntPtr instance, ref Vector2I value, float depth, out Vector3 output);
private static extern void Internal_GetPointerDelta(out Vector2I delta);
private static extern void Internal_GetPointerPosition(out Vector2I position);
/// <summary>
/// Draws a line going from <paramref name="a"/> to <paramref name="b"/>.
/// </summary>
/// <param name="a">Starting point of the line, relative to the canvas origin (top-left).</param>
/// <param name="b">Ending point of the line, relative to the canvas origin (top-left).</param>
/// <param name="color">Color of the line.</param>
/// <param name="depth">Depth at which to draw the element. Elements with higher depth will be drawn before others.
/// Additionally elements of the same type (triangle or line) will be drawn in order they are
/// submitted if they share the same depth.</param>
public void DrawLine(Vector2I a, Vector2I b, Color color, byte depth = 128)
{
Internal_DrawLine(mCachedPtr, ref a, ref b, ref color, depth);
}
private static extern void Internal_DrawText(IntPtr nativeInstance, string text, ref Vector2I position,
IntPtr font, int size, ref Color color, byte depth);
/// <summary>
/// Triggers when some pointing device (mouse cursor, touch) button is released.
/// </summary>
/// <param name="screenPos">Screen position where the input event occurred.</param>
/// <param name="delta">Change in movement since last sent event.</param>
/// <param name="button">Button that triggered the pointer event. Might be irrelevant depending on event type.
/// (for example move events don't correspond to a button.</param>
/// <param name="shift">Is shift button on the keyboard being held down.</param>
/// <param name="ctrl">Is control button on the keyboard being held down.</param>
/// <param name="alt">Is alt button on the keyboard being held down.</param>
/// <param name="scrollAmount">If mouse wheel is being scrolled, what is the amount. Only relevant for
/// move events.</param>
private static void Internal_TriggerPointerReleased(Vector2I screenPos, Vector2I delta, PointerButton button, bool shift,
bool ctrl, bool alt, float scrollAmount)
{
PointerEvent ev = new PointerEvent(screenPos, delta, button, shift, ctrl, alt, scrollAmount);
if (OnPointerReleased != null)
OnPointerReleased(ev);
}
/// <summary>
/// Returns the manhattan distance between two points.
/// </summary>
/// <param name="a">First two dimensional point.</param>
/// <param name="b">Second two dimensional point.</param>
/// <returns>Manhattan distance between the two points.</returns>
public static int Distance(Vector2I a, Vector2I b)
{
return Math.Abs(b.x - a.x) + Math.Abs(b.y - a.y);
}
private static extern void Internal_ScreenToWorldRay(IntPtr instance, ref Vector2I value, out Ray output);
/// <summary>
/// Starts a drag operation that displays a selection outline allowing the user to select multiple entries at once.
/// </summary>
/// <param name="scenePos">Coordinates relative to the scene where the drag originated.</param>
private void StartDragSelection(Vector2I scenePos)
{
isDraggingSelection = true;
dragSelectionStart = scenePos;
dragSelectionEnd = dragSelectionStart;
}
/// <summary>
/// Attempts to select a scene object under the pointer position.
/// </summary>
/// <param name="pointerPos">Position of the pointer relative to the scene camera viewport.</param>
/// <param name="controlHeld">Should this selection add to the existing selection, or replace it.</param>
internal void PickObject(Vector2I pointerPos, bool controlHeld)
{
Internal_PickObject(mCachedPtr, ref pointerPos, controlHeld);
}
private static extern void Internal_WindowToScreenPos(IntPtr nativeInstance, ref Vector2I position, out Vector2I screenPos);
private static extern void Internal_PickObject(IntPtr thisPtr, ref Vector2I pointerPos, bool controlHeld);
/// <summary>
/// Draws a marker for a single event.
/// </summary>
/// <param name="t">Time to draw the marker at.</param>
/// <param name="selected">If true the marker will be drawn as selected.</param>
private void DrawEventMarker(float t, bool selected)
{
int xPos = (int)(((t - rangeOffset) / GetRange()) * drawableWidth) + PADDING;
Vector2I a = new Vector2I(xPos - EVENT_HALF_WIDTH, 0);
Vector2I b = new Vector2I(xPos + EVENT_HALF_WIDTH, 0);
Vector2I c = new Vector2I(xPos + EVENT_HALF_WIDTH, height - 1);
Vector2I d = new Vector2I(xPos - EVENT_HALF_WIDTH, height - 1);
// Draw square shape
Vector2I[] linePoints = { a, b, c, d, a };
Vector2I[] trianglePoints = { b, c, a, d };
Color outerColor = selected ? Color.BansheeOrange : Color.Black;
canvas.DrawTriangleStrip(trianglePoints, Color.White, 101);
canvas.DrawPolyLine(linePoints, outerColor, 100);
}
/// <summary>
/// Selects a handle under the pointer position.
/// </summary>
/// <param name="pointerPos">Position of the pointer relative to the parent GUI panel.</param>
public void TrySelect(Vector2I pointerPos)
{
if (!bounds.Contains(pointerPos))
return;
pointerPos.x -= bounds.x;
pointerPos.y -= bounds.y;
sceneHandles.TrySelect(pointerPos);
}
private static extern void Internal_PickObjects(IntPtr thisPtr, ref Vector2I pointerPos, ref Vector2I extents, bool controlHeld, SceneObject[] ignoreRenderables);
/// <summary>
/// Updates active handles by moving them as a result of any input.
/// </summary>
/// <param name="pointerPos">Position of the pointer relative to the parent GUI panel</param>
public void UpdateInput(Vector2I pointerPos)
{
pointerPos.x -= bounds.x;
pointerPos.y -= bounds.y;
sceneHandles.UpdateInput(pointerPos, Input.PointerDelta);
}
/// <summary>
/// Attempts to select a scene object in the specified area.
/// </summary>
/// <param name="pointerPos">Position of the pointer relative to the scene camera viewport.</param>
/// <param name="area">Size of the in which objects will be selected, in pixels and relative to
/// <paramref name="pointerPos"/>.</param>
/// <param name="controlHeld">Should this selection add to the existing selection, or replace it.</param>
/// <param name="ignoreSceneObjects">Optional set of objects to ignore during scene picking.</param>
internal void PickObjects(Vector2I pointerPos, Vector2I area, bool controlHeld,
SceneObject[] ignoreSceneObjects = null)
{
Internal_PickObjects(mCachedPtr, ref pointerPos, ref area, controlHeld, ignoreSceneObjects);
}
/// <summary>
/// Triggers when some pointing device (mouse cursor, touch) button is double clicked.
/// </summary>
/// <param name="screenPos">Screen position where the input event occurred.</param>
/// <param name="delta">Change in movement since last sent event.</param>
/// <param name="button">Button that triggered the pointer event. Might be irrelevant depending on event type.
/// (for example move events don't correspond to a button.</param>
/// <param name="shift">Is shift button on the keyboard being held down.</param>
/// <param name="ctrl">Is control button on the keyboard being held down.</param>
/// <param name="alt">Is alt button on the keyboard being held down.</param>
/// <param name="scrollAmount">If mouse wheel is being scrolled, what is the amount. Only relevant for
/// move events.</param>
/// <param name="isUsed">Set to true if the event was handled previously by some internal system (like GUI).</param>
private static void Internal_TriggerPointerDoubleClick(Vector2I screenPos, Vector2I delta, PointerButton button, bool shift,
bool ctrl, bool alt, float scrollAmount, bool isUsed)
{
PointerEvent ev = new PointerEvent(screenPos, delta, button, shift, ctrl, alt, scrollAmount, isUsed);
if (OnPointerDoubleClick != null)
OnPointerDoubleClick(ev);
}
/// <summary>
/// Creates a new pointer event. For runtime use only.
/// </summary>
/// <param name="screenPos">Screen position where the input event occurred.</param>
/// <param name="delta">Change in movement since last sent event.</param>
/// <param name="button">Button that triggered the pointer event. Might be irrelevant depending on event type.
/// (for example move events don't correspond to a button.</param>
/// <param name="shift">Is shift button on the keyboard being held down.</param>
/// <param name="control">Is control button on the keyboard being held down.</param>
/// <param name="alt">Is alt button on the keyboard being held down.</param>
/// <param name="mouseWheelScrollAmount">If mouse wheel is being scrolled, what is the amount. Only relevant for
/// move events.</param>
internal PointerEvent(Vector2I screenPos, Vector2I delta, PointerButton button,
bool shift, bool control, bool alt, float mouseWheelScrollAmount)
{
_screenPos = screenPos;
_delta = delta;
_button = button;
_shift = shift;
_control = control;
_alt = alt;
_mouseWheelScrollAmount = mouseWheelScrollAmount;
}
/// <summary>
/// Returns the size of the curve editor GUI element.
/// </summary>
/// <returns>Width/height of the curve editor, in pixels.</returns>
private Vector2I GetCurveEditorSize()
{
Vector2I output = new Vector2I();
output.x = Math.Max(0, Width - FIELD_DISPLAY_WIDTH - scrollBarWidth);
output.y = Math.Max(0, Height - buttonLayoutHeight - scrollBarHeight);
return output;
}
private static extern void Internal_GetPointerPosition(out Vector2I position);
/// <summary>
/// Triggered when the user presses a mouse button.
/// </summary>
/// <param name="ev">Information about the mouse press event.</param>
private void OnPointerPressed(PointerEvent ev)
{
guiCurveEditor.OnPointerPressed(ev);
if (ev.button == PointerButton.Middle)
{
Vector2I windowPos = ScreenToWindowPos(ev.ScreenPos);
Vector2 curvePos;
if (guiCurveEditor.WindowToCurveSpace(windowPos, out curvePos))
{
dragStartPos = windowPos;
isButtonHeld = true;
}
}
}
/// <summary>
/// Attempts to find a resource tile element at the specified coordinates.
/// </summary>
/// <param name="scrollPos">Coordinates relative to the scroll area the content area is part of.</param>
/// <returns>True if found an entry, false otherwise.</returns>
public LibraryGUIEntry FindElementAt(Vector2I scrollPos)
{
foreach (var element in entries)
{
if (element.bounds.Contains(scrollPos))
return element;
}
return null;
}
/// <summary>
/// Converts coordinates in screen space to coordinates relative to the window.
/// </summary>
/// <param name="screenPos">Coordinates in screen space.</param>
/// <returns>Coordinates relative to the window.</returns>
protected Vector2I ScreenToWindowPos(Vector2I screenPos)
{
Vector2I windowPos;
Internal_ScreenToWindowPos(mCachedPtr, ref screenPos, out windowPos);
return windowPos;
}
/// <summary>
/// Ends the selection outline drag operation. Elements in the outline are selected.
/// </summary>
/// <returns>True if the selection outline drag is valid and was ended, false otherwise.</returns>
private bool EndDragSelection()
{
if (!isDraggingSelection)
return false;
if (dragSelection != null)
{
dragSelection.Destroy();
dragSelection = null;
}
if ((dragSelectionEnd - dragSelectionStart).Length < 1)
{
isDraggingSelection = false;
return false;
}
Vector2I min = new Vector2I(Math.Min(dragSelectionStart.x, dragSelectionEnd.x),
Math.Min(dragSelectionStart.y, dragSelectionEnd.y));
Vector2I max = new Vector2I(Math.Max(dragSelectionStart.x, dragSelectionEnd.x),
Math.Max(dragSelectionStart.y, dragSelectionEnd.y));
sceneSelection.PickObjects(min, max - min,
Input.IsButtonHeld(ButtonCode.LeftControl) || Input.IsButtonHeld(ButtonCode.RightControl));
isDraggingSelection = false;
return true;
}
/// <summary>
/// Converts coordinates relative to the window to screen space to coordinates.
/// </summary>
/// <param name="windowPos">Coordinates relative to the window.</param>
/// <returns>Coordinates in screen space.</returns>
protected Vector2I WindowToScreenPos(Vector2I windowPos)
{
Vector2I screenPos;
Internal_WindowToScreenPos(mCachedPtr, ref windowPos, out screenPos);
return screenPos;
}
/// <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;
}
private static extern void Internal_ScreenToWindowPos(IntPtr nativeInstance, ref Vector2I position, out Vector2I windowPos);
/// <summary>
/// Updates a selection outline drag operation by expanding the outline to the new location. Elements in the outline
/// are selected.
/// </summary>
/// <param name="scenePos">Coordinates of the pointer relative to the scene.</param>
/// <returns>True if the selection outline drag is valid and was updated, false otherwise.</returns>
private bool UpdateDragSelection(Vector2I scenePos)
{
if (!isDraggingSelection)
return false;
if (dragSelection == null)
{
dragSelection = new GUITexture(null, true, EditorStylesInternal.SelectionArea);
selectionPanel.AddElement(dragSelection);
}
dragSelectionEnd = scenePos;
Rect2I selectionArea = new Rect2I();
Vector2I min = new Vector2I(Math.Min(dragSelectionStart.x, dragSelectionEnd.x), Math.Min(dragSelectionStart.y, dragSelectionEnd.y));
Vector2I max = new Vector2I(Math.Max(dragSelectionStart.x, dragSelectionEnd.x), Math.Max(dragSelectionStart.y, dragSelectionEnd.y));
selectionArea.x = min.x;
selectionArea.y = min.y;
selectionArea.width = Math.Max(max.x - min.x, 1);
selectionArea.height = Math.Max(max.y - min.y, 1);
dragSelection.Bounds = selectionArea;
return true;
}
private static extern void Internal_CalculateOptimalSize(IntPtr element, out Vector2I output);
