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485 行
20 KiB
485 行
20 KiB
using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using UnityEditor.IMGUI.Controls;
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using UnityEditor.SceneManagement;
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using UnityEditorInternal;
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using UnityEngine.AI;
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using UnityEngine;
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namespace UnityEditor.AI
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{
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[CanEditMultipleObjects]
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[CustomEditor(typeof(NavMeshSurface))]
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class NavMeshSurfaceEditor : Editor
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{
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SerializedProperty m_AgentTypeID;
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SerializedProperty m_BuildHeightMesh;
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SerializedProperty m_Center;
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SerializedProperty m_CollectObjects;
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SerializedProperty m_DefaultArea;
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SerializedProperty m_LayerMask;
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SerializedProperty m_OverrideTileSize;
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SerializedProperty m_OverrideVoxelSize;
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SerializedProperty m_Size;
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SerializedProperty m_TileSize;
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SerializedProperty m_UseGeometry;
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SerializedProperty m_VoxelSize;
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class Styles
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{
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public readonly GUIContent m_LayerMask = new GUIContent("Include Layers");
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public readonly GUIContent m_ShowInputGeom = new GUIContent("Show Input Geom");
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public readonly GUIContent m_ShowVoxels = new GUIContent("Show Voxels");
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public readonly GUIContent m_ShowRegions = new GUIContent("Show Regions");
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public readonly GUIContent m_ShowRawContours = new GUIContent("Show Raw Contours");
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public readonly GUIContent m_ShowContours = new GUIContent("Show Contours");
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public readonly GUIContent m_ShowPolyMesh = new GUIContent("Show Poly Mesh");
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public readonly GUIContent m_ShowPolyMeshDetail = new GUIContent("Show Poly Mesh Detail");
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}
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struct AsyncBakeOperation
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{
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public NavMeshSurface surface;
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public NavMeshData bakeData;
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public AsyncOperation bakeOperation;
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}
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static List<AsyncBakeOperation> s_BakeOperations = new List<AsyncBakeOperation>();
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static Styles s_Styles;
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static bool s_ShowDebugOptions;
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static Color s_HandleColor = new Color(127f, 214f, 244f, 100f) / 255;
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static Color s_HandleColorSelected = new Color(127f, 214f, 244f, 210f) / 255;
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static Color s_HandleColorDisabled = new Color(127f * 0.75f, 214f * 0.75f, 244f * 0.75f, 100f) / 255;
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BoxBoundsHandle m_BoundsHandle = new BoxBoundsHandle();
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bool editingCollider
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{
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get { return EditMode.editMode == EditMode.SceneViewEditMode.Collider && EditMode.IsOwner(this); }
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}
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void OnEnable()
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{
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m_AgentTypeID = serializedObject.FindProperty("m_AgentTypeID");
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m_BuildHeightMesh = serializedObject.FindProperty("m_BuildHeightMesh");
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m_Center = serializedObject.FindProperty("m_Center");
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m_CollectObjects = serializedObject.FindProperty("m_CollectObjects");
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m_DefaultArea = serializedObject.FindProperty("m_DefaultArea");
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m_LayerMask = serializedObject.FindProperty("m_LayerMask");
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m_OverrideTileSize = serializedObject.FindProperty("m_OverrideTileSize");
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m_OverrideVoxelSize = serializedObject.FindProperty("m_OverrideVoxelSize");
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m_Size = serializedObject.FindProperty("m_Size");
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m_TileSize = serializedObject.FindProperty("m_TileSize");
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m_UseGeometry = serializedObject.FindProperty("m_UseGeometry");
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m_VoxelSize = serializedObject.FindProperty("m_VoxelSize");
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NavMeshVisualizationSettings.showNavigation++;
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}
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void OnDisable()
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{
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NavMeshVisualizationSettings.showNavigation--;
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}
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static string GetAndEnsureTargetPath(NavMeshSurface surface)
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{
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// Create directory for the asset if it does not exist yet.
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var activeScenePath = surface.gameObject.scene.path;
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var targetPath = "Assets";
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if (!string.IsNullOrEmpty(activeScenePath))
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targetPath = Path.Combine(Path.GetDirectoryName(activeScenePath), Path.GetFileNameWithoutExtension(activeScenePath));
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if (!Directory.Exists(targetPath))
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Directory.CreateDirectory(targetPath);
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return targetPath;
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}
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static void CreateNavMeshAsset(NavMeshSurface surface)
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{
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var targetPath = GetAndEnsureTargetPath(surface);
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var combinedAssetPath = Path.Combine(targetPath, "NavMesh-" + surface.name + ".asset");
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combinedAssetPath = AssetDatabase.GenerateUniqueAssetPath(combinedAssetPath);
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AssetDatabase.CreateAsset(surface.navMeshData, combinedAssetPath);
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}
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static NavMeshData GetNavMeshAssetToDelete(NavMeshSurface navSurface)
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{
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var prefabType = PrefabUtility.GetPrefabType(navSurface);
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if (prefabType == PrefabType.PrefabInstance || prefabType == PrefabType.DisconnectedPrefabInstance)
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{
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// Don't allow deleting the asset belonging to the prefab parent
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var parentSurface = PrefabUtility.GetPrefabObject(navSurface) as NavMeshSurface;
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if (parentSurface && navSurface.navMeshData == parentSurface.navMeshData)
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return null;
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}
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return navSurface.navMeshData;
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}
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void ClearSurface(NavMeshSurface navSurface)
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{
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var assetToDelete = GetNavMeshAssetToDelete(navSurface);
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navSurface.RemoveData();
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navSurface.navMeshData = null;
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EditorUtility.SetDirty(navSurface);
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if (assetToDelete)
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{
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AssetDatabase.DeleteAsset(AssetDatabase.GetAssetPath(assetToDelete));
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EditorSceneManager.MarkSceneDirty(navSurface.gameObject.scene);
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}
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}
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Bounds GetBounds()
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{
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var navSurface = (NavMeshSurface)target;
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return new Bounds(navSurface.transform.position, navSurface.size);
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}
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public override void OnInspectorGUI()
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{
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if (s_Styles == null)
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s_Styles = new Styles();
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serializedObject.Update();
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var bs = NavMesh.GetSettingsByID(m_AgentTypeID.intValue);
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if (bs.agentTypeID != -1)
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{
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// Draw image
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const float diagramHeight = 80.0f;
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Rect agentDiagramRect = EditorGUILayout.GetControlRect(false, diagramHeight);
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NavMeshEditorHelpers.DrawAgentDiagram(agentDiagramRect, bs.agentRadius, bs.agentHeight, bs.agentClimb, bs.agentSlope);
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}
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NavMeshComponentsGUIUtility.AgentTypePopup("Agent Type", m_AgentTypeID);
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EditorGUILayout.Space();
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EditorGUILayout.PropertyField(m_CollectObjects);
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if ((CollectObjects)m_CollectObjects.enumValueIndex == CollectObjects.Volume)
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{
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EditorGUI.indentLevel++;
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EditMode.DoEditModeInspectorModeButton(EditMode.SceneViewEditMode.Collider, "Edit Volume",
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EditorGUIUtility.IconContent("EditCollider"), GetBounds, this);
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EditorGUILayout.PropertyField(m_Size);
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EditorGUILayout.PropertyField(m_Center);
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EditorGUI.indentLevel--;
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}
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else
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{
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if (editingCollider)
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EditMode.QuitEditMode();
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}
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EditorGUILayout.PropertyField(m_LayerMask, s_Styles.m_LayerMask);
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EditorGUILayout.PropertyField(m_UseGeometry);
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EditorGUILayout.Space();
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EditorGUILayout.Space();
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m_OverrideVoxelSize.isExpanded = EditorGUILayout.Foldout(m_OverrideVoxelSize.isExpanded, "Advanced");
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if (m_OverrideVoxelSize.isExpanded)
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{
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EditorGUI.indentLevel++;
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NavMeshComponentsGUIUtility.AreaPopup("Default Area", m_DefaultArea);
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// Override voxel size.
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EditorGUILayout.PropertyField(m_OverrideVoxelSize);
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using (new EditorGUI.DisabledScope(!m_OverrideVoxelSize.boolValue || m_OverrideVoxelSize.hasMultipleDifferentValues))
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{
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EditorGUI.indentLevel++;
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EditorGUILayout.PropertyField(m_VoxelSize);
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if (!m_OverrideVoxelSize.hasMultipleDifferentValues)
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{
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if (!m_AgentTypeID.hasMultipleDifferentValues)
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{
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float voxelsPerRadius = m_VoxelSize.floatValue > 0.0f ? (bs.agentRadius / m_VoxelSize.floatValue) : 0.0f;
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EditorGUILayout.LabelField(" ", voxelsPerRadius.ToString("0.00") + " voxels per agent radius", EditorStyles.miniLabel);
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}
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if (m_OverrideVoxelSize.boolValue)
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EditorGUILayout.HelpBox("Voxel size controls how accurately the navigation mesh is generated from the level geometry. A good voxel size is 2-4 voxels per agent radius. Making voxel size smaller will increase build time.", MessageType.None);
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}
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EditorGUI.indentLevel--;
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}
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// Override tile size
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EditorGUILayout.PropertyField(m_OverrideTileSize);
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using (new EditorGUI.DisabledScope(!m_OverrideTileSize.boolValue || m_OverrideTileSize.hasMultipleDifferentValues))
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{
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EditorGUI.indentLevel++;
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EditorGUILayout.PropertyField(m_TileSize);
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if (!m_TileSize.hasMultipleDifferentValues && !m_VoxelSize.hasMultipleDifferentValues)
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{
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float tileWorldSize = m_TileSize.intValue * m_VoxelSize.floatValue;
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EditorGUILayout.LabelField(" ", tileWorldSize.ToString("0.00") + " world units", EditorStyles.miniLabel);
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}
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if (!m_OverrideTileSize.hasMultipleDifferentValues)
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{
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if (m_OverrideTileSize.boolValue)
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EditorGUILayout.HelpBox("Tile size controls the how local the changes to the world are (rebuild or carve). Small tile size allows more local changes, while potentially generating more data in overal.", MessageType.None);
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}
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EditorGUI.indentLevel--;
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}
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// Height mesh
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using (new EditorGUI.DisabledScope(true))
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{
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EditorGUILayout.PropertyField(m_BuildHeightMesh);
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}
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EditorGUILayout.Space();
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EditorGUI.indentLevel--;
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}
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EditorGUILayout.Space();
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serializedObject.ApplyModifiedProperties();
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var hadError = false;
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var multipleTargets = targets.Length > 1;
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foreach (NavMeshSurface navSurface in targets)
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{
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var settings = navSurface.GetBuildSettings();
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// Calculating bounds is potentially expensive when unbounded - so here we just use the center/size.
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// It means the validation is not checking vertical voxel limit correctly when the surface is set to something else than "in volume".
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var bounds = new Bounds(Vector3.zero, Vector3.zero);
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if (navSurface.collectObjects == CollectObjects.Volume)
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{
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bounds = new Bounds(navSurface.center, navSurface.size);
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}
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var errors = settings.ValidationReport(bounds);
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if (errors.Length > 0)
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{
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if (multipleTargets)
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EditorGUILayout.LabelField(navSurface.name);
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foreach (var err in errors)
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{
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EditorGUILayout.HelpBox(err, MessageType.Warning);
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}
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GUILayout.BeginHorizontal();
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GUILayout.Space(EditorGUIUtility.labelWidth);
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if (GUILayout.Button("Open Agent Settings...", EditorStyles.miniButton))
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NavMeshEditorHelpers.OpenAgentSettings(navSurface.agentTypeID);
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GUILayout.EndHorizontal();
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hadError = true;
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}
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}
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if (hadError)
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EditorGUILayout.Space();
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using (new EditorGUI.DisabledScope(Application.isPlaying || m_AgentTypeID.intValue == -1))
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{
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GUILayout.BeginHorizontal();
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GUILayout.Space(EditorGUIUtility.labelWidth);
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if (GUILayout.Button("Clear"))
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{
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foreach (NavMeshSurface s in targets)
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ClearSurface(s);
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SceneView.RepaintAll();
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}
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if (GUILayout.Button("Bake"))
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{
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// Remove first to avoid double registration of the callback
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EditorApplication.update -= UpdateAsyncBuildOperations;
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EditorApplication.update += UpdateAsyncBuildOperations;
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foreach (NavMeshSurface surf in targets)
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{
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var oper = new AsyncBakeOperation();
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oper.bakeData = InitializeBakeData(surf);
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oper.bakeOperation = surf.UpdateNavMesh(oper.bakeData);
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oper.surface = surf;
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s_BakeOperations.Add(oper);
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}
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}
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GUILayout.EndHorizontal();
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}
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// Show progress for the selected targets
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for (int i = s_BakeOperations.Count - 1; i >= 0; --i)
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{
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if (!targets.Contains(s_BakeOperations[i].surface))
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continue;
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var oper = s_BakeOperations[i].bakeOperation;
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if (oper == null)
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continue;
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var p = oper.progress;
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if (oper.isDone)
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{
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SceneView.RepaintAll();
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continue;
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}
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GUILayout.BeginHorizontal();
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if (GUILayout.Button("Cancel", EditorStyles.miniButton))
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{
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var bakeData = s_BakeOperations[i].bakeData;
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UnityEngine.AI.NavMeshBuilder.Cancel(bakeData);
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s_BakeOperations.RemoveAt(i);
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}
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EditorGUI.ProgressBar(EditorGUILayout.GetControlRect(), p, "Baking: " + (int)(100 * p) + "%");
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if (p <= 1)
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Repaint();
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GUILayout.EndHorizontal();
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}
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}
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static NavMeshData InitializeBakeData(NavMeshSurface surface)
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{
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var emptySources = new List<NavMeshBuildSource>();
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var emptyBounds = new Bounds();
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return UnityEngine.AI.NavMeshBuilder.BuildNavMeshData(surface.GetBuildSettings(), emptySources, emptyBounds
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, surface.transform.position, surface.transform.rotation);
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}
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static void UpdateAsyncBuildOperations()
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{
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foreach (var oper in s_BakeOperations)
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{
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if (oper.surface == null || oper.bakeOperation == null)
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continue;
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if (oper.bakeOperation.isDone)
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{
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var surface = oper.surface;
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var delete = GetNavMeshAssetToDelete(surface);
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if (delete != null)
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AssetDatabase.DeleteAsset(AssetDatabase.GetAssetPath(delete));
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surface.RemoveData();
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surface.navMeshData = oper.bakeData;
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if (surface.isActiveAndEnabled)
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surface.AddData();
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CreateNavMeshAsset(surface);
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EditorSceneManager.MarkSceneDirty(surface.gameObject.scene);
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}
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}
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s_BakeOperations.RemoveAll(o => o.bakeOperation == null || o.bakeOperation.isDone);
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if (s_BakeOperations.Count == 0)
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EditorApplication.update -= UpdateAsyncBuildOperations;
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}
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[DrawGizmo(GizmoType.Selected | GizmoType.Active | GizmoType.Pickable)]
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static void RenderBoxGizmoSelected(NavMeshSurface navSurface, GizmoType gizmoType)
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{
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RenderBoxGizmo(navSurface, gizmoType, true);
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}
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[DrawGizmo(GizmoType.NotInSelectionHierarchy | GizmoType.Pickable)]
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static void RenderBoxGizmoNotSelected(NavMeshSurface navSurface, GizmoType gizmoType)
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{
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if (NavMeshVisualizationSettings.showNavigation > 0)
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RenderBoxGizmo(navSurface, gizmoType, false);
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else
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Gizmos.DrawIcon(navSurface.transform.position, "NavMeshSurface Icon", true);
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}
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static void RenderBoxGizmo(NavMeshSurface navSurface, GizmoType gizmoType, bool selected)
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{
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var color = selected ? s_HandleColorSelected : s_HandleColor;
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if (!navSurface.enabled)
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color = s_HandleColorDisabled;
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var oldColor = Gizmos.color;
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var oldMatrix = Gizmos.matrix;
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// Use the unscaled matrix for the NavMeshSurface
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var localToWorld = Matrix4x4.TRS(navSurface.transform.position, navSurface.transform.rotation, Vector3.one);
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Gizmos.matrix = localToWorld;
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if (navSurface.collectObjects == CollectObjects.Volume)
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{
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Gizmos.color = color;
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Gizmos.DrawWireCube(navSurface.center, navSurface.size);
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if (selected && navSurface.enabled)
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{
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var colorTrans = new Color(color.r * 0.75f, color.g * 0.75f, color.b * 0.75f, color.a * 0.15f);
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Gizmos.color = colorTrans;
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Gizmos.DrawCube(navSurface.center, navSurface.size);
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}
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}
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else
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{
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if (navSurface.navMeshData != null)
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{
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var bounds = navSurface.navMeshData.sourceBounds;
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Gizmos.color = Color.grey;
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Gizmos.DrawWireCube(bounds.center, bounds.size);
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}
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}
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Gizmos.matrix = oldMatrix;
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Gizmos.color = oldColor;
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Gizmos.DrawIcon(navSurface.transform.position, "NavMeshSurface Icon", true);
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}
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void OnSceneGUI()
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{
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if (!editingCollider)
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return;
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var navSurface = (NavMeshSurface)target;
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var color = navSurface.enabled ? s_HandleColor : s_HandleColorDisabled;
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var localToWorld = Matrix4x4.TRS(navSurface.transform.position, navSurface.transform.rotation, Vector3.one);
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using (new Handles.DrawingScope(color, localToWorld))
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{
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m_BoundsHandle.center = navSurface.center;
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m_BoundsHandle.size = navSurface.size;
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EditorGUI.BeginChangeCheck();
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m_BoundsHandle.DrawHandle();
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if (EditorGUI.EndChangeCheck())
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{
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Undo.RecordObject(navSurface, "Modified NavMesh Surface");
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Vector3 center = m_BoundsHandle.center;
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Vector3 size = m_BoundsHandle.size;
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navSurface.center = center;
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navSurface.size = size;
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EditorUtility.SetDirty(target);
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}
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}
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}
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[MenuItem("GameObject/AI/NavMesh Surface", false, 2000)]
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public static void CreateNavMeshSurface(MenuCommand menuCommand)
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{
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var parent = menuCommand.context as GameObject;
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var go = NavMeshComponentsGUIUtility.CreateAndSelectGameObject("NavMesh Surface", parent);
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go.AddComponent<NavMeshSurface>();
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var view = SceneView.lastActiveSceneView;
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if (view != null)
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view.MoveToView(go.transform);
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}
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}
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}
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