Aetheria/Assets/Wwise/Editor/WwiseComponents/AkGameObjectInspector.cs

#if UNITY_EDITOR
//////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2014 Audiokinetic Inc. / All Rights Reserved
//
//////////////////////////////////////////////////////////////////////

public class DefaultHandles
{
	public static bool Hidden
	{
		get
		{
			var type = typeof(UnityEditor.Tools);
			var field = type.GetField("s_Hidden",
				System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Static);
			return (bool) field.GetValue(null);
		}
		set
		{
			var type = typeof(UnityEditor.Tools);
			var field = type.GetField("s_Hidden",
				System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Static);
			field.SetValue(null, value);
		}
	}
}

[UnityEditor.CanEditMultipleObjects]
[UnityEditor.CustomEditor(typeof(AkGameObj))]
public class AkGameObjectInspector : UnityEditor.Editor
{
	private bool hideDefaultHandle;
	private UnityEditor.SerializedProperty listeners;
	private AkGameObj m_AkGameObject;

	private void OnEnable()
	{
		m_AkGameObject = target as AkGameObj;
		listeners = serializedObject.FindProperty("m_listeners");

		DefaultHandles.Hidden = hideDefaultHandle;
	}

	private void OnDisable()
	{
		DefaultHandles.Hidden = false;
	}

	public override void OnInspectorGUI()
	{
		// Unity tries to construct a AkGameObjPositionOffsetData all the time. Need this ugly workaround
		// to prevent it from doing this.
		if (m_AkGameObject.m_positionOffsetData != null)
		{
			if (!m_AkGameObject.m_positionOffsetData.KeepMe)
				m_AkGameObject.m_positionOffsetData = null;
		}

		var positionOffsetData = m_AkGameObject.m_positionOffsetData;
		var positionOffset = UnityEngine.Vector3.zero;

		UnityEditor.EditorGUI.BeginChangeCheck();

		using (new UnityEditor.EditorGUILayout.VerticalScope("box"))
		{
			var applyPosOffset = UnityEditor.EditorGUILayout.Toggle("Apply Position Offset:", positionOffsetData != null);

			if (applyPosOffset != (positionOffsetData != null))
				positionOffsetData = applyPosOffset ? new AkGameObjPositionOffsetData(true) : null;

			if (positionOffsetData != null)
			{
				positionOffset = UnityEditor.EditorGUILayout.Vector3Field("Position Offset", positionOffsetData.positionOffset);

				UnityEngine.GUILayout.Space(UnityEditor.EditorGUIUtility.standardVerticalSpacing);

				if (hideDefaultHandle)
				{
					if (UnityEngine.GUILayout.Button("Show Main Transform"))
					{
						hideDefaultHandle = false;
						DefaultHandles.Hidden = hideDefaultHandle;
					}
				}
				else if (UnityEngine.GUILayout.Button("Hide Main Transform"))
				{
					hideDefaultHandle = true;
					DefaultHandles.Hidden = hideDefaultHandle;
				}
			}
			else if (hideDefaultHandle)
			{
				hideDefaultHandle = false;
				DefaultHandles.Hidden = hideDefaultHandle;
			}
		}

		UnityEngine.GUILayout.Space(UnityEditor.EditorGUIUtility.standardVerticalSpacing);

		var isEnvironmentAware = m_AkGameObject.isEnvironmentAware;

		using (new UnityEditor.EditorGUILayout.VerticalScope("box"))
		{
			isEnvironmentAware = UnityEditor.EditorGUILayout.Toggle("Environment Aware:", isEnvironmentAware);
		}

		if (UnityEditor.EditorGUI.EndChangeCheck())
		{
			UnityEditor.Undo.RecordObject(target, "AkGameObj Parameter Change");

			m_AkGameObject.m_positionOffsetData = positionOffsetData;

			if (positionOffsetData != null)
				m_AkGameObject.m_positionOffsetData.positionOffset = positionOffset;

			m_AkGameObject.isEnvironmentAware = isEnvironmentAware;
		}

		if (isEnvironmentAware)
			RigidbodyCheck(m_AkGameObject.gameObject);

		UnityEngine.GUILayout.Space(UnityEditor.EditorGUIUtility.standardVerticalSpacing);

		using (new UnityEditor.EditorGUILayout.VerticalScope("box"))
		{
			UnityEditor.EditorGUI.BeginChangeCheck();
			UnityEditor.EditorGUILayout.PropertyField(listeners);
			if (UnityEditor.EditorGUI.EndChangeCheck())
				serializedObject.ApplyModifiedProperties();
		}
	}

	public static void RigidbodyCheck(UnityEngine.GameObject gameObject)
	{
		if (AkWwiseEditorSettings.Instance.ShowMissingRigidBodyWarning && gameObject.GetComponent<UnityEngine.Rigidbody>() == null)
		{
			UnityEngine.GUILayout.Space(UnityEditor.EditorGUIUtility.standardVerticalSpacing);

			using (new UnityEditor.EditorGUILayout.VerticalScope("box"))
			{
				UnityEditor.EditorGUILayout.HelpBox(
					"Interactions between AkGameObj and AkEnvironment require a Rigidbody component on the object or the environment.",
					UnityEditor.MessageType.Warning);

				if (UnityEngine.GUILayout.Button("Add Rigidbody"))
				{
					var rb = UnityEditor.Undo.AddComponent<UnityEngine.Rigidbody>(gameObject);
					rb.useGravity = false;
					rb.isKinematic = true;
				}
			}
		}
	}

	private void OnSceneGUI()
	{
		if (m_AkGameObject.m_positionOffsetData == null)
			return;

		UnityEditor.EditorGUI.BeginChangeCheck();

		// Transform local offset to world coordinate
		var pos = m_AkGameObject.transform.TransformPoint(m_AkGameObject.m_positionOffsetData.positionOffset);

		// Get new handle position
		pos = UnityEditor.Handles.PositionHandle(pos, UnityEngine.Quaternion.identity);

		if (UnityEditor.EditorGUI.EndChangeCheck())
		{
			UnityEditor.Undo.RecordObject(target, "Position Offset Change");

			// Transform world offset to local coordinate
			m_AkGameObject.m_positionOffsetData.positionOffset = m_AkGameObject.transform.InverseTransformPoint(pos);
		}
	}
}
#endif