// Helper function that returns a Canvas GameObject; preferably a parent of the selection, or other existing Canvas.
static public GameObject GetOrCreateCanvasGameObject()
{
GameObject selectedGo = Selection.activeGameObject;
// Try to find a gameobject that is the selected GO or one if its parents.
IMCCanvasScaler canvas = (selectedGo != null) ? selectedGo.GetComponentInParent <IMCCanvasScaler>() : null;
if (canvas != null && canvas.gameObject.activeInHierarchy)
{
return(canvas.gameObject);
}
// No canvas in selection or its parents? Then use just any canvas..
canvas = Object.FindObjectOfType(typeof(IMCCanvasScaler)) as IMCCanvasScaler;
if (canvas != null && canvas.gameObject.activeInHierarchy)
{
return(canvas.gameObject);
}
// No canvas in the scene at all? Then create a new one.
return(CreateNewUI());
}
public override void OnInspectorGUI()
{
if (s_Styles == null)
{
s_Styles = new Styles();
}
bool allAreRoot = true;
bool showWorldDiffers = false;
bool showWorld = ((target as IMCCanvasScaler).GetComponent <Canvas>().renderMode == RenderMode.WorldSpace);
for (int i = 0; i < targets.Length; i++)
{
IMCCanvasScaler scaler = targets[i] as IMCCanvasScaler;
Canvas canvas = scaler.GetComponent <Canvas>();
if (!canvas.isRootCanvas)
{
allAreRoot = false;
break;
}
if (showWorld && canvas.renderMode != RenderMode.WorldSpace || !showWorld && canvas.renderMode == RenderMode.WorldSpace)
{
showWorldDiffers = true;
break;
}
}
if (!allAreRoot)
{
EditorGUILayout.HelpBox("Non-root Canvases will not be scaled.", MessageType.Warning);
return;
}
serializedObject.Update();
EditorGUI.showMixedValue = showWorldDiffers;
EditorGUI.BeginDisabledGroup(showWorld || showWorldDiffers);
if (showWorld || showWorldDiffers)
{
EditorGUILayout.Popup(m_UiScaleMode.displayName, 0, new string[] { "World" });
}
else
{
EditorGUILayout.PropertyField(m_UiScaleMode);
}
EditorGUI.EndDisabledGroup();
EditorGUI.showMixedValue = false;
if (!showWorldDiffers && !(!showWorld && m_UiScaleMode.hasMultipleDifferentValues))
{
EditorGUILayout.Space();
// World Canvas
if (showWorld)
{
EditorGUILayout.PropertyField(m_DynamicPixelsPerUnit);
}
// Constant pixel size
else if (m_UiScaleMode.enumValueIndex == (int)IMCCanvasScaler.ScaleMode.ConstantPixelSize)
{
EditorGUILayout.PropertyField(m_ScaleFactor);
}
// Scale with screen size
else if (m_UiScaleMode.enumValueIndex == (int)IMCCanvasScaler.ScaleMode.ScaleWithScreenSize)
{
EditorGUILayout.PropertyField(m_ReferenceResolution);
EditorGUILayout.PropertyField(m_ScreenMatchMode);
if (m_ScreenMatchMode.enumValueIndex == (int)IMCCanvasScaler.ScreenMatchMode.MatchWidthOrHeight && !m_ScreenMatchMode.hasMultipleDifferentValues)
{
Rect r = EditorGUILayout.GetControlRect(true, EditorGUIUtility.singleLineHeight + kSliderEndpointLabelsHeight);
DualLabeledSlider(r, m_MatchWidthOrHeight, s_Styles.matchContent, s_Styles.widthContent, s_Styles.heightContent);
}
}
// Constant physical size
else if (m_UiScaleMode.enumValueIndex == (int)IMCCanvasScaler.ScaleMode.ConstantPhysicalSize)
{
EditorGUILayout.PropertyField(m_PhysicalUnit);
EditorGUILayout.PropertyField(m_FallbackScreenDPI);
EditorGUILayout.PropertyField(m_DefaultSpriteDPI);
}
EditorGUILayout.PropertyField(m_ReferencePixelsPerUnit);
}
serializedObject.ApplyModifiedProperties();
}