129 lines
5.4 KiB
C#
129 lines
5.4 KiB
C#
using System;
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using UnityEditor;
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using UnityEngine;
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using System.Collections.Generic;
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namespace Cinemachine.Editor
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{
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[CustomEditor(typeof(CinemachineTargetGroup))]
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internal sealed class CinemachineTargetGroupEditor : BaseEditor<CinemachineTargetGroup>
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{
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private UnityEditorInternal.ReorderableList mTargetList;
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/// <summary>Get the property names to exclude in the inspector.</summary>
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/// <param name="excluded">Add the names to this list</param>
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protected override void GetExcludedPropertiesInInspector(List<string> excluded)
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{
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base.GetExcludedPropertiesInInspector(excluded);
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excluded.Add(FieldPath(x => x.m_Targets));
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}
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void OnEnable()
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{
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mTargetList = null;
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}
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public override void OnInspectorGUI()
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{
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BeginInspector();
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DrawRemainingPropertiesInInspector();
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if (mTargetList == null)
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SetupTargetList();
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EditorGUI.BeginChangeCheck();
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mTargetList.DoLayoutList();
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DisplayErrorMessageForDescendants();
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if (EditorGUI.EndChangeCheck())
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serializedObject.ApplyModifiedProperties();
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}
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void DisplayErrorMessageForDescendants()
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{
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String indices = "";
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for (int i = 0; i < Target.m_Targets.Length; ++i)
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{
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if (Target.m_Targets[i].target != null && Target.m_Targets[i].target.IsChildOf(Target.Transform))
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{
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indices += i + ", ";
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}
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}
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if (indices.Length > 0)
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{
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indices = indices.Substring(0, indices.Length - 2);
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EditorGUILayout.HelpBox(
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"Group members at index {" + indices + "} are child gameobjects of the group. " +
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"This is not supported and may cause undefined behaviour. Unparent them from the group.",
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MessageType.Error);
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}
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}
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void SetupTargetList()
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{
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float vSpace = 2;
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float floatFieldWidth = EditorGUIUtility.singleLineHeight * 3.5f;
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float hBigSpace = EditorGUIUtility.singleLineHeight * 2 / 3;
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mTargetList = new UnityEditorInternal.ReorderableList(
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serializedObject, FindProperty(x => x.m_Targets),
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true, true, true, true);
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// Needed for accessing field names as strings
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CinemachineTargetGroup.Target def = new CinemachineTargetGroup.Target();
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mTargetList.drawHeaderCallback = (Rect rect) =>
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{
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rect.width -= EditorGUIUtility.singleLineHeight + 2 * (floatFieldWidth + hBigSpace);
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Vector2 pos = rect.position; pos.x += EditorGUIUtility.singleLineHeight;
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rect.position = pos;
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EditorGUI.LabelField(rect, "Target");
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pos.x += rect.width + hBigSpace; rect.width = floatFieldWidth + hBigSpace; rect.position = pos;
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EditorGUI.LabelField(rect, "Weight");
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pos.x += rect.width; rect.position = pos;
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EditorGUI.LabelField(rect, "Radius");
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};
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mTargetList.drawElementCallback
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= (Rect rect, int index, bool isActive, bool isFocused) =>
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{
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SerializedProperty elemProp = mTargetList.serializedProperty.GetArrayElementAtIndex(index);
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rect.y += vSpace;
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rect.height = EditorGUIUtility.singleLineHeight;
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Vector2 pos = rect.position;
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//rect.width -= hSpace + 2 * EditorGUIUtility.singleLineHeight;
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rect.width -= 2 * (floatFieldWidth + hBigSpace);
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EditorGUI.PropertyField(rect, elemProp.FindPropertyRelative(() => def.target), GUIContent.none);
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float oldWidth = EditorGUIUtility.labelWidth;
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EditorGUIUtility.labelWidth = EditorGUIUtility.singleLineHeight;
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pos.x += rect.width; rect.width = floatFieldWidth + hBigSpace; rect.position = pos;
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EditorGUI.PropertyField(rect, elemProp.FindPropertyRelative(() => def.weight), new GUIContent(" "));
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pos.x += rect.width; rect.position = pos;
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EditorGUI.PropertyField(rect, elemProp.FindPropertyRelative(() => def.radius), new GUIContent(" "));
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EditorGUIUtility.labelWidth = oldWidth;
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};
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mTargetList.onAddCallback = (UnityEditorInternal.ReorderableList l) =>
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{
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var index = l.serializedProperty.arraySize;
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++l.serializedProperty.arraySize;
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SerializedProperty elemProp = mTargetList.serializedProperty.GetArrayElementAtIndex(index);
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elemProp.FindPropertyRelative(() => def.weight).floatValue = 1;
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};
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}
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#if false // enable for debugging
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[DrawGizmo(GizmoType.Active | GizmoType.InSelectionHierarchy, typeof(CinemachineTargetGroup))]
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private static void DrawGroupComposerGizmos(CinemachineTargetGroup target, GizmoType selectionType)
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{
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Gizmos.color = Color.yellow;
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var sphere = target.Sphere;
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Gizmos.DrawWireSphere(sphere.position, sphere.radius);
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}
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#endif
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}
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}
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