void OnGUI()
{
GUILayout.BeginVertical();
// instructions
GUILayout.Label("Navigation2D by noobtuts.com\n");
GUILayout.Label("Instructions:", EditorStyles.boldLabel);
GUILayout.Label(" 1. Make Box/Circle-Collider2Ds Static");
GUILayout.Label(" 2. Press Bake and wait until it's done");
GUILayout.Label(" 3. Add NavMeshAgent2D to agents\n");
GUILayout.Label("Notes:", EditorStyles.boldLabel);
GUILayout.Label(" - Modify Window->Navigation->Agent Radius for path width");
GUILayout.Label(" - Use GroundScale to cover the outside of your level\n");
// options
groundScale = EditorGUILayout.Slider("Ground Scale", groundScale, 1, 100);
showNavMesh = EditorGUILayout.IntPopup("Show Navmesh", showNavMesh, new string[] { "Hide", "Wireframe", "Full" }, new int[] { 0, 1, 2 });
// repaint scene if showNavMesh option changed
if (GUI.changed)
{
SceneView.RepaintAll();
}
// buttons
GUILayout.BeginHorizontal();
if (GUILayout.Button("Clear"))
{
NavMeshBuilder.ClearAllNavMeshes();
if (gizmesh != null)
{
gizmesh.Clear();
}
}
if (NavMeshBuilder.isRunning)
{
if (GUILayout.Button("Cancel"))
{
NavMeshBuilder.Cancel();
}
}
else
{
if (GUILayout.Button("Bake"))
{
BakeNavMesh2D();
}
}
GUILayout.EndHorizontal();
GUILayout.EndVertical();
}
public override IEnumerator Execute(UTContext context)
{
if (UTPreferences.DebugMode)
{
Debug.Log("Setting up nav mesh settings.");
}
var settingsObject = new SerializedObject(NavMeshBuilder.navMeshSettingsObject);
var agentRadiusSetting = settingsObject.FindProperty("m_BuildSettings.agentRadius");
var agentHeightSetting = settingsObject.FindProperty("m_BuildSettings.agentHeight");
var agentSlopeSetting = settingsObject.FindProperty("m_BuildSettings.agentSlope");
var ledgeDropHeightSetting = settingsObject.FindProperty("m_BuildSettings.ledgeDropHeight");
var agentClimbSetting = settingsObject.FindProperty("m_BuildSettings.agentClimb");
var maxJumpAcrossDistanceSetting = settingsObject.FindProperty("m_BuildSettings.maxJumpAcrossDistance");
var accuratePlacementSetting = settingsObject.FindProperty("m_BuildSettings.accuratePlacement");
var minRegionAreaSetting = settingsObject.FindProperty("m_BuildSettings.minRegionArea");
var widthInaccuracySetting = settingsObject.FindProperty("m_BuildSettings.widthInaccuracy");
var heightInaccuracySetting = settingsObject.FindProperty("m_BuildSettings.heightInaccuracy");
agentRadiusSetting.floatValue = agentRadius.EvaluateIn(context);
agentHeightSetting.floatValue = agentHeight.EvaluateIn(context);
agentSlopeSetting.floatValue = maxSlope.EvaluateIn(context);
ledgeDropHeightSetting.floatValue = dropHeight.EvaluateIn(context);
agentClimbSetting.floatValue = stepHeight.EvaluateIn(context);
maxJumpAcrossDistanceSetting.floatValue = jumpDistance.EvaluateIn(context);
accuratePlacementSetting.boolValue = heightMesh.EvaluateIn(context);
minRegionAreaSetting.floatValue = minRegionArea.EvaluateIn(context);
widthInaccuracySetting.floatValue = widthInaccuracy.EvaluateIn(context);
heightInaccuracySetting.floatValue = heightInaccuracy.EvaluateIn(context);
settingsObject.ApplyModifiedProperties();
Debug.Log("Starting baking of nav mesh.");
NavMeshBuilder.BuildNavMeshAsync();
do
{
yield return("");
if (context.CancelRequested)
{
NavMeshBuilder.Cancel();
}
} while(NavMeshBuilder.isRunning);
Debug.Log("Nav mesh bake process finished.");
}
/// <summary>
/// 创建/更新指定AgentType的指定范围的的Navmesh
/// </summary>
/// <param name="_agentType">AgentTypeID</param>
/// <param name="_bounds">区域</param>
/// <param name="_async">是否异步</param>
private void UpdateNavmesh(int _agentType, Bounds _bounds, bool _async)
{
//如果不存在，则添加
if (!navmeshTracker.ContainsKey(_agentType))
{
var data = new NavMeshData(_agentType);
var instance = NavMesh.AddNavMeshData(data);
navmeshTracker.Add(_agentType, new NavmeshDataPair()
{
data = data,
settings = settings.ContainsKey(_agentType) ? settings[_agentType] : NavMesh.GetSettingsByID(_agentType),
instance = instance,
updateOperation = null
});
_async = false; //第一次必须非异步
}
var pair = navmeshTracker[_agentType];
if (_async)
{
if (pair.updateOperation == null || pair.updateOperation.isDone)
{
pair.updateOperation = null;
pair.updateOperation = NavMeshBuilder.UpdateNavMeshDataAsync(pair.data, pair.settings, sources, _bounds);
}
}
else
{
if (pair.updateOperation != null && !pair.updateOperation.isDone)
{
NavMeshBuilder.Cancel(pair.data);
}
pair.updateOperation = null;
NavMeshBuilder.UpdateNavMeshData(pair.data, pair.settings, sources, _bounds);
}
}