private void SwitchToMode(HEU_Curve.Interaction newInteraction)
{
DeselectAllPoints();
if (_interactionMode == HEU_Curve.Interaction.VIEW && newInteraction != HEU_Curve.Interaction.VIEW)
{
// When transitioning from View mode, need to hide the info planel until the layout event is
// triggered so that the additional UI elements are properly handled by Unity.
_showInfoRepaint = false;
}
_interactionMode = newInteraction;
// We clear our add points list when transitioning to other modes
if (_interactionMode != HEU_Curve.Interaction.ADD)
{
_latestPointAddedCurve = null;
_latestPointsAdded.Clear();
}
// Show/hide the position handle
if (_interactionMode == HEU_Curve.Interaction.EDIT || _interactionMode == HEU_Curve.Interaction.ADD)
{
Tools.hidden = true;
}
else
{
ShowTools();
}
}
// UI LOGIC ---------------------------------------------------------------------------------------------------
private void OnEnable()
{
_lineTexture = new Texture2D(1, 2);
_lineTexture.wrapMode = TextureWrapMode.Repeat;
_lineTexture.SetPixel(0, 0, new Color(1, 1, 1, 0));
_lineTexture.SetPixel(0, 1, new Color(1, 1, 0, 1));
_lineTexture.Apply();
_infoRect = new Rect(10, 10, 500, 220);
GUISkin heuSkin = HEU_EditorUI.LoadHEUSkin();
_toolsBGStyle = heuSkin.GetStyle("toolsbg");
_selectedCurvePoints.Clear();
HEU_Curve.Interaction setInteraction = HEU_Curve.PreferredNextInteractionMode;
HEU_Curve.PreferredNextInteractionMode = HEU_Curve.Interaction.VIEW;
SwitchToMode(setInteraction);
// Moves focus to the Scene window, which we need for keyboard input at start
if (SceneView.currentDrawingSceneView != null)
{
SceneView.currentDrawingSceneView.Focus();
}
// Callback will be used to disable this tool and reset state
Selection.selectionChanged += SelectionChangedCallback;
_showInfo = false;
_showInfoRepaint = false;
}
private void DrawSceneInfo()
{
float pixelsPerPoint = HEU_EditorUI.GetPixelsPerPoint();
float screenWidth = Screen.width / pixelsPerPoint;
float screenHeight = Screen.height / pixelsPerPoint;
float screenPosHalf = screenWidth * 0.5f;
float wx = 120;
float height = 80;
float height_subtract = 140;
SetupUIElements();
Handles.BeginGUI();
_curveEditorUIRect = new Rect(screenPosHalf - wx, screenHeight - height_subtract, wx * 2f, height);
using (new GUILayout.AreaScope(_curveEditorUIRect, "", _toolsBGStyle))
{
using (new GUILayout.VerticalScope())
{
using (new GUILayout.HorizontalScope())
{
GUILayout.FlexibleSpace();
GUILayout.Label(_curveEditorLabel);
GUILayout.FlexibleSpace();
}
HEU_Curve.Interaction newInteraction = (HEU_Curve.Interaction)GUILayout.Toolbar((int)_interactionMode, InteractionModeLabels, GUILayout.MinHeight(30));
if (newInteraction != _interactionMode)
{
// Reset selection and do new
SwitchToMode(newInteraction);
}
using (new GUILayout.HorizontalScope())
{
GUILayout.FlexibleSpace();
GUILayout.Label(_infoLabel);
GUILayout.FlexibleSpace();
}
}
}
if (_showInfoRepaint)
{
using (new GUILayout.AreaScope(_infoRect, "", _toolsBGStyle))
{
GUILayout.Label(_infoHeaderLabel);
// Help text
if (_interactionMode == HEU_Curve.Interaction.VIEW)
{
GUILayout.Label(_curveViewHelp);
}
else if (_interactionMode == HEU_Curve.Interaction.ADD)
{
DrawHelpLineGridBox("Left Mouse", "Add point to end of curve.");
DrawHelpLineGridBox("A", "Toggle where to add new point (Start, Inside, End).");
DrawHelpLineGridBox("Hold " + HEU_Defines.HEU_KEY_CTRL, "Grid snapping.");
DrawHelpLineGridBox("Backspace", "Delete last new point.");
DrawHelpLineGridBox("Space", "Edit mode.");
DrawHelpLineGridBox("Esc / Enter", "View mode.");
GUILayout.Space(5);
using (new GUILayout.VerticalScope())
{
GUILayout.Label(_curveNewPointModeLabel);
// Mode of adding new point (at start, middle, or end)
_newPointMode = (CurveNewPointMode)GUILayout.Toolbar((int)_newPointMode, NewPointModeLabels, GUILayout.MaxWidth(300), GUILayout.MinHeight(20));
}
}
else if (_interactionMode == HEU_Curve.Interaction.EDIT)
{
DrawHelpLineGridBox("Left Mouse", "Select point.");
DrawHelpLineGridBox(HEU_Defines.HEU_KEY_CTRL + " + Left Mouse", "Multi-select point.");
DrawHelpLineGridBox(string.Format("Hold {0} + Left Mouse", HEU_Defines.HEU_KEY_CTRL), "Grid snapping when moving points.");
DrawHelpLineGridBox("Backspace", "Delete selected points.");
DrawHelpLineGridBox("Space", "Add mode.");
DrawHelpLineGridBox("Esc / Enter", "View mode.");
}
}
}
Handles.EndGUI();
}
