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