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using UnityEngine;
using UnityEngine.AI;
namespace UnityEditor.AI
{
public static class NavMeshComponentsGUIUtility
{
public static void AreaPopup(string labelName, SerializedProperty areaProperty)
{
var areaIndex = -1;
var areaNames = GameObjectUtility.GetNavMeshAreaNames();
for (var i = 0; i < areaNames.Length; i++)
{
var areaValue = GameObjectUtility.GetNavMeshAreaFromName(areaNames[i]);
if (areaValue == areaProperty.intValue)
areaIndex = i;
}
ArrayUtility.Add(ref areaNames, "");
ArrayUtility.Add(ref areaNames, "Open Area Settings...");
var rect = EditorGUILayout.GetControlRect(true, EditorGUIUtility.singleLineHeight);
EditorGUI.BeginProperty(rect, GUIContent.none, areaProperty);
EditorGUI.BeginChangeCheck();
areaIndex = EditorGUI.Popup(rect, labelName, areaIndex, areaNames);
if (EditorGUI.EndChangeCheck())
{
if (areaIndex >= 0 && areaIndex < areaNames.Length - 2)
areaProperty.intValue = GameObjectUtility.GetNavMeshAreaFromName(areaNames[areaIndex]);
else if (areaIndex == areaNames.Length - 1)
NavMeshEditorHelpers.OpenAreaSettings();
}
EditorGUI.EndProperty();
}
public static void AgentTypePopup(string labelName, SerializedProperty agentTypeID)
{
var index = -1;
var count = NavMesh.GetSettingsCount();
var agentTypeNames = new string[count + 2];
for (var i = 0; i < count; i++)
{
var id = NavMesh.GetSettingsByIndex(i).agentTypeID;
var name = NavMesh.GetSettingsNameFromID(id);
agentTypeNames[i] = name;
if (id == agentTypeID.intValue)
index = i;
}
agentTypeNames[count] = "";
agentTypeNames[count + 1] = "Open Agent Settings...";
bool validAgentType = index != -1;
if (!validAgentType)
{
EditorGUILayout.HelpBox("Agent Type invalid.", MessageType.Warning);
}
var rect = EditorGUILayout.GetControlRect(true, EditorGUIUtility.singleLineHeight);
EditorGUI.BeginProperty(rect, GUIContent.none, agentTypeID);
EditorGUI.BeginChangeCheck();
index = EditorGUI.Popup(rect, labelName, index, agentTypeNames);
if (EditorGUI.EndChangeCheck())
{
if (index >= 0 && index < count)
{
var id = NavMesh.GetSettingsByIndex(index).agentTypeID;
agentTypeID.intValue = id;
}
else if (index == count + 1)
{
NavMeshEditorHelpers.OpenAgentSettings(-1);
}
}
EditorGUI.EndProperty();
}
// Agent mask is a set (internally array/list) of agentTypeIDs.
// It is used to describe which agents modifiers apply to.
// There is a special case of "None" which is an empty array.
// There is a special case of "All" which is an array of length 1, and value of -1.
public static void AgentMaskPopup(string labelName, SerializedProperty agentMask)
{
// Contents of the dropdown box.
string popupContent = "";
if (agentMask.hasMultipleDifferentValues)
popupContent = "\u2014";
else
popupContent = GetAgentMaskLabelName(agentMask);
var content = new GUIContent(popupContent);
var popupRect = GUILayoutUtility.GetRect(content, EditorStyles.popup);
EditorGUI.BeginProperty(popupRect, GUIContent.none, agentMask);
popupRect = EditorGUI.PrefixLabel(popupRect, 0, new GUIContent(labelName));
bool pressed = GUI.Button(popupRect, content, EditorStyles.popup);
if (pressed)
{
var show = !agentMask.hasMultipleDifferentValues;
var showNone = show && agentMask.arraySize == 0;
var showAll = show && IsAll(agentMask);
var menu = new GenericMenu();
menu.AddItem(new GUIContent("None"), showNone, SetAgentMaskNone, agentMask);
menu.AddItem(new GUIContent("All"), showAll, SetAgentMaskAll, agentMask);
menu.AddSeparator("");
var count = NavMesh.GetSettingsCount();
for (var i = 0; i < count; i++)
{
var id = NavMesh.GetSettingsByIndex(i).agentTypeID;
var sname = NavMesh.GetSettingsNameFromID(id);
var showSelected = show && AgentMaskHasSelectedAgentTypeID(agentMask, id);
var userData = new object[] { agentMask, id, !showSelected };
menu.AddItem(new GUIContent(sname), showSelected, ToggleAgentMaskItem, userData);
}
menu.DropDown(popupRect);
}
EditorGUI.EndProperty();
}
public static GameObject CreateAndSelectGameObject(string suggestedName, GameObject parent)
{
var parentTransform = parent != null ? parent.transform : null;
var uniqueName = GameObjectUtility.GetUniqueNameForSibling(parentTransform, suggestedName);
var child = new GameObject(uniqueName);
Undo.RegisterCreatedObjectUndo(child, "Create " + uniqueName);
if (parentTransform != null)
Undo.SetTransformParent(child.transform, parentTransform, "Parent " + uniqueName);
Selection.activeGameObject = child;
return child;
}
static bool IsAll(SerializedProperty agentMask)
{
return agentMask.arraySize == 1 && agentMask.GetArrayElementAtIndex(0).intValue == -1;
}
static void ToggleAgentMaskItem(object userData)
{
var args = (object[])userData;
var agentMask = (SerializedProperty)args[0];
var agentTypeID = (int)args[1];
var value = (bool)args[2];
ToggleAgentMaskItem(agentMask, agentTypeID, value);
}
static void ToggleAgentMaskItem(SerializedProperty agentMask, int agentTypeID, bool value)
{
if (agentMask.hasMultipleDifferentValues)
{
agentMask.ClearArray();
agentMask.serializedObject.ApplyModifiedProperties();
}
// Find which index this agent type is in the agentMask array.
int idx = -1;
for (var j = 0; j < agentMask.arraySize; j++)
{
var elem = agentMask.GetArrayElementAtIndex(j);
if (elem.intValue == agentTypeID)
idx = j;
}
// Handle "All" special case.
if (IsAll(agentMask))
{
agentMask.DeleteArrayElementAtIndex(0);
}
// Toggle value.
if (value)
{
if (idx == -1)
{
agentMask.InsertArrayElementAtIndex(agentMask.arraySize);
agentMask.GetArrayElementAtIndex(agentMask.arraySize - 1).intValue = agentTypeID;
}
}
else
{
if (idx != -1)
{
agentMask.DeleteArrayElementAtIndex(idx);
}
}
agentMask.serializedObject.ApplyModifiedProperties();
}
static void SetAgentMaskNone(object data)
{
var agentMask = (SerializedProperty)data;
agentMask.ClearArray();
agentMask.serializedObject.ApplyModifiedProperties();
}
static void SetAgentMaskAll(object data)
{
var agentMask = (SerializedProperty)data;
agentMask.ClearArray();
agentMask.InsertArrayElementAtIndex(0);
agentMask.GetArrayElementAtIndex(0).intValue = -1;
agentMask.serializedObject.ApplyModifiedProperties();
}
static string GetAgentMaskLabelName(SerializedProperty agentMask)
{
if (agentMask.arraySize == 0)
return "None";
if (IsAll(agentMask))
return "All";
if (agentMask.arraySize <= 3)
{
var labelName = "";
for (var j = 0; j < agentMask.arraySize; j++)
{
var elem = agentMask.GetArrayElementAtIndex(j);
var settingsName = NavMesh.GetSettingsNameFromID(elem.intValue);
if (string.IsNullOrEmpty(settingsName))
continue;
if (labelName.Length > 0)
labelName += ", ";
labelName += settingsName;
}
return labelName;
}
return "Mixed...";
}
static bool AgentMaskHasSelectedAgentTypeID(SerializedProperty agentMask, int agentTypeID)
{
for (var j = 0; j < agentMask.arraySize; j++)
{
var elem = agentMask.GetArrayElementAtIndex(j);
if (elem.intValue == agentTypeID)
return true;
}
return false;
}
}
}
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