77 lines
3.1 KiB
C#
77 lines
3.1 KiB
C#
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using UnityEngine;
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using UnityEngine.Splines;
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namespace UnityEditor.Splines
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{
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//This drawer is used to draw the actual type of the spline (editor version) and not the stored spline which is always bezier
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[CustomPropertyDrawer(typeof(Spline), true)]
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class SplineDrawer : PropertyDrawer
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{
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const string k_MultiSplineEditMessage = "Multi-selection is not supported for Splines";
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const string k_SplineFoldoutTitle = "Advanced";
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public override float GetPropertyHeight(SerializedProperty property, GUIContent label)
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{
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float height = EditorGUIUtility.singleLineHeight;
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if(!property.isExpanded || property.serializedObject.isEditingMultipleObjects)
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return height;
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height += EditorGUI.GetPropertyHeight(property.FindPropertyRelative("m_EditModeType"));
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var proxy = SplineUIManager.instance.GetProxyFromProperty(property);
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var it = proxy.SerializedObject.FindProperty("Spline").Copy();
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it.NextVisible(true);
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do
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{
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height += EditorGUI.GetPropertyHeight(it);
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} while(it.NextVisible(false));
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return height;
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}
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public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
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{
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if(property.serializedObject.isEditingMultipleObjects)
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{
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EditorGUI.LabelField(position,k_MultiSplineEditMessage, EditorStyles.helpBox);
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return;
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}
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label.text = L10n.Tr(k_SplineFoldoutTitle);
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property.isExpanded = EditorGUI.Foldout(SplineUIManager.ReserveSpace(EditorGUIUtility.singleLineHeight, ref position), property.isExpanded, label);
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if (property.isExpanded)
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{
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EditorGUI.indentLevel++;
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var proxy = SplineUIManager.instance.GetProxyFromProperty(property);
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var editTypeProperty = property.FindPropertyRelative("m_EditModeType");
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EditorGUI.PropertyField(SplineUIManager.ReserveSpace(EditorGUI.GetPropertyHeight(editTypeProperty), ref position), editTypeProperty);
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var pathProperty = proxy.SerializedObject.FindProperty("Spline");
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// HACK to get around the fact that array size change isn't an actual change when applying (bug)
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var knotsProperty = pathProperty.FindPropertyRelative("m_Knots");
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var arraySize = knotsProperty.arraySize;
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EditorGUI.BeginChangeCheck();
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var it = pathProperty.Copy();
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it.NextVisible(true);
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do
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{
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EditorGUI.PropertyField(SplineUIManager.ReserveSpace(EditorGUI.GetPropertyHeight(it), ref position), it, true);
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} while(it.NextVisible(false));
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if(EditorGUI.EndChangeCheck() || arraySize != knotsProperty.arraySize)
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{
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SplineUIManager.instance.ApplyProxyToProperty(proxy, property);
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}
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EditorGUI.indentLevel--;
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}
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}
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}
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}
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