415 lines
16 KiB
C#
415 lines
16 KiB
C#
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using UnityEngine;
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using UnityEditor.AI;
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using UnityEditorInternal;
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using Object = UnityEngine.Object;
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using UnityEditor;
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namespace Unity.AI.Navigation.Editor
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{
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[InitializeOnLoad]
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[EditorWindowTitle(title = "Navigation")]
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internal class NavigationWindow : EditorWindow
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{
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static NavigationWindow s_NavigationWindow;
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// Scene based bake configuration
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SerializedObject m_SettingsObject;
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// Project based configuration
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SerializedObject m_NavMeshProjectSettingsObject;
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SerializedProperty m_Areas;
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SerializedProperty m_AgentTypes;
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SerializedProperty m_SettingNames;
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Vector2 m_ScrollPos = Vector2.zero;
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bool m_Advanced;
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ReorderableList m_AreasList;
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ReorderableList m_AgentTypeList;
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enum Mode
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{
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AgentTypeSettings = 0,
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AreaSettings = 1,
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}
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Mode m_Mode = Mode.AgentTypeSettings;
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static class Styles
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{
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internal static readonly GUIContent k_AgentTypesHeader = EditorGUIUtility.TrTextContent("Agent Types");
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internal static readonly GUIContent k_NameLabel = EditorGUIUtility.TrTextContent("Name");
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internal static readonly GUIContent k_CostLabel = EditorGUIUtility.TrTextContent("Cost");
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internal static readonly GUIContent[] k_ModeToggles =
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{
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EditorGUIUtility.TrTextContent("Agents", "Navmesh agent settings."),
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EditorGUIUtility.TrTextContent("Areas", "Navmesh area settings."),
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};
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internal static readonly GUIStyle k_ContentMargins = new GUIStyle
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{
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padding = new RectOffset(4, 4, 4, 4)
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};
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};
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static NavigationWindow()
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{
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NavMeshEditorHelpers.areaSettingsClicked += OpenAreaSettings;
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NavMeshEditorHelpers.agentTypeSettingsClicked += OpenAgentSettings;
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}
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[MenuItem("Window/AI/Navigation", false, 1)]
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public static void SetupWindow()
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{
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var window = GetWindow<NavigationWindow>();
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window.minSize = new Vector2(300, 360);
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}
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static void OpenAreaSettings()
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{
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SetupWindow();
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if (s_NavigationWindow == null)
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return;
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s_NavigationWindow.m_Mode = Mode.AreaSettings;
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s_NavigationWindow.InitProjectSettings();
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s_NavigationWindow.InitAgentTypes();
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}
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static void OpenAgentSettings(int agentTypeID)
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{
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SetupWindow();
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if (s_NavigationWindow == null)
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return;
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s_NavigationWindow.m_Mode = Mode.AgentTypeSettings;
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s_NavigationWindow.InitProjectSettings();
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s_NavigationWindow.InitAgentTypes();
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s_NavigationWindow.m_AgentTypeList.index = -1;
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for (int i = 0; i < s_NavigationWindow.m_AgentTypes.arraySize; i++)
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{
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SerializedProperty agentType = s_NavigationWindow.m_AgentTypes.GetArrayElementAtIndex(i);
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SerializedProperty idProp = agentType.FindPropertyRelative("agentTypeID");
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if (idProp.intValue == agentTypeID)
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{
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s_NavigationWindow.m_AgentTypeList.index = i;
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break;
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}
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}
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}
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public void OnEnable()
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{
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var iconPath = $"{NavMeshComponentsGUIUtility.k_PackageEditorResourcesFolder}NavigationWindowIcon.asset";
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titleContent = EditorGUIUtility.TrTextContentWithIcon("Navigation", iconPath);
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s_NavigationWindow = this;
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EditorApplication.searchChanged += Repaint;
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Repaint();
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}
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void InitProjectSettings()
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{
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if (m_NavMeshProjectSettingsObject == null)
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{
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Object obj = Unsupported.GetSerializedAssetInterfaceSingleton("NavMeshProjectSettings");
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m_NavMeshProjectSettingsObject = new SerializedObject(obj);
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}
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}
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void InitAreas()
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{
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if (m_Areas == null)
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{
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m_Areas = m_NavMeshProjectSettingsObject.FindProperty("areas");
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}
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if (m_AreasList == null)
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{
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m_AreasList = new ReorderableList(m_NavMeshProjectSettingsObject, m_Areas, false, true, false, false);
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m_AreasList.drawElementCallback = DrawAreaListElement;
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m_AreasList.drawHeaderCallback = DrawAreaListHeader;
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m_AreasList.elementHeight = EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
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}
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}
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void InitAgentTypes()
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{
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if (m_AgentTypes == null)
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{
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m_AgentTypes = m_NavMeshProjectSettingsObject.FindProperty("m_Settings");
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m_SettingNames = m_NavMeshProjectSettingsObject.FindProperty("m_SettingNames");
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}
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if (m_AgentTypeList == null)
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{
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m_AgentTypeList = new ReorderableList(m_NavMeshProjectSettingsObject, m_AgentTypes, false, true, true, true);
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m_AgentTypeList.drawElementCallback = DrawAgentTypeListElement;
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m_AgentTypeList.drawHeaderCallback = DrawAgentTypeListHeader;
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m_AgentTypeList.onAddCallback = AddAgentType;
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m_AgentTypeList.onRemoveCallback = RemoveAgentType;
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m_AgentTypeList.elementHeight = EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
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}
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}
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// This code is replicated from the NavMesh debug draw code.
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int Bit(int a, int b)
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{
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return (a & (1 << b)) >> b;
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}
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Color GetAreaColor(int i)
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{
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if (i == 0)
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return new Color(0, 0.75f, 1.0f, 0.5f);
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int r = (Bit(i, 4) + Bit(i, 1) * 2 + 1) * 63;
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int g = (Bit(i, 3) + Bit(i, 2) * 2 + 1) * 63;
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int b = (Bit(i, 5) + Bit(i, 0) * 2 + 1) * 63;
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return new Color(r / 255.0f, g / 255.0f, b / 255.0f, 0.5f);
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}
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public void OnDisable()
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{
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s_NavigationWindow = null;
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EditorApplication.searchChanged -= Repaint;
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}
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void OnSelectionChange()
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{
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m_ScrollPos = Vector2.zero;
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}
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void ModeToggle()
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{
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EditorGUILayout.BeginHorizontal();
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GUILayout.FlexibleSpace();
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m_Mode = (Mode)GUILayout.Toolbar((int)m_Mode, Styles.k_ModeToggles, "LargeButton", GUI.ToolbarButtonSize.FitToContents);
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GUILayout.FlexibleSpace();
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EditorGUILayout.EndHorizontal();
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}
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static void GetAreaListRects(Rect rect, out Rect stripeRect, out Rect labelRect, out Rect nameRect, out Rect costRect)
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{
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float stripeWidth = EditorGUIUtility.singleLineHeight * 0.8f;
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float labelWidth = EditorGUIUtility.singleLineHeight * 5;
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float costWidth = EditorGUIUtility.singleLineHeight * 4;
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float nameWidth = rect.width - stripeWidth - labelWidth - costWidth;
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float x = rect.x;
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stripeRect = new Rect(x, rect.y, stripeWidth - 4, rect.height);
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x += stripeWidth;
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labelRect = new Rect(x, rect.y, labelWidth - 4, rect.height);
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x += labelWidth;
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nameRect = new Rect(x, rect.y, nameWidth - 4, rect.height);
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x += nameWidth;
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costRect = new Rect(x, rect.y, costWidth, rect.height);
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}
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void DrawAreaListHeader(Rect rect)
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{
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GetAreaListRects(rect, out _, out _, out Rect nameRect, out Rect costRect);
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GUI.Label(nameRect, Styles.k_NameLabel);
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GUI.Label(costRect, Styles.k_CostLabel);
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}
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void DrawAreaListElement(Rect rect, int index, bool selected, bool focused)
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{
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SerializedProperty areaProp = m_Areas.GetArrayElementAtIndex(index);
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if (areaProp == null)
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return;
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SerializedProperty nameProp = areaProp.FindPropertyRelative("name");
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SerializedProperty costProp = areaProp.FindPropertyRelative("cost");
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if (nameProp == null || costProp == null)
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return;
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rect.height -= 2; // nicer looking with selected list row and a text field in it
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bool builtInLayer;
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bool allowChangeName;
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bool allowChangeCost;
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switch (index)
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{
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case 0: // Default
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builtInLayer = true;
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allowChangeName = false;
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allowChangeCost = true;
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break;
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case 1: // NonWalkable
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builtInLayer = true;
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allowChangeName = false;
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allowChangeCost = false;
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break;
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case 2: // Jump
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builtInLayer = true;
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allowChangeName = false;
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allowChangeCost = true;
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break;
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default:
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builtInLayer = false;
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allowChangeName = true;
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allowChangeCost = true;
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break;
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}
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GetAreaListRects(rect, out Rect stripeRect, out Rect labelRect, out Rect nameRect, out Rect costRect);
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bool oldEnabled = GUI.enabled;
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Color color = GetAreaColor(index);
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Color dimmed = new Color(color.r * 0.1f, color.g * 0.1f, color.b * 0.1f, 0.6f);
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EditorGUI.DrawRect(stripeRect, color);
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EditorGUI.DrawRect(new Rect(stripeRect.x, stripeRect.y, 1, stripeRect.height), dimmed);
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EditorGUI.DrawRect(new Rect(stripeRect.x + stripeRect.width - 1, stripeRect.y, 1, stripeRect.height), dimmed);
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EditorGUI.DrawRect(new Rect(stripeRect.x + 1, stripeRect.y, stripeRect.width - 2, 1), dimmed);
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EditorGUI.DrawRect(new Rect(stripeRect.x + 1, stripeRect.y + stripeRect.height - 1, stripeRect.width - 2, 1), dimmed);
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if (builtInLayer)
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GUI.Label(labelRect, EditorGUIUtility.TrTempContent("Built-in " + index));
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else
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GUI.Label(labelRect, EditorGUIUtility.TrTempContent("User " + index));
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int oldIndent = EditorGUI.indentLevel;
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EditorGUI.indentLevel = 0;
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GUI.enabled = oldEnabled && allowChangeName;
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EditorGUI.PropertyField(nameRect, nameProp, GUIContent.none);
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GUI.enabled = oldEnabled && allowChangeCost;
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EditorGUI.PropertyField(costRect, costProp, GUIContent.none);
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GUI.enabled = oldEnabled;
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EditorGUI.indentLevel = oldIndent;
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}
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static void AddAgentType(ReorderableList list)
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{
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UnityEngine.AI.NavMesh.CreateSettings();
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list.index = UnityEngine.AI.NavMesh.GetSettingsCount() - 1;
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}
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void RemoveAgentType(ReorderableList list)
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{
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SerializedProperty agentTypeProp = m_AgentTypes.GetArrayElementAtIndex(list.index);
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if (agentTypeProp == null)
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return;
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SerializedProperty idProp = agentTypeProp.FindPropertyRelative("agentTypeID");
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if (idProp == null)
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return;
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// Cannot delete default.
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if (idProp.intValue == 0)
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return;
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m_SettingNames.DeleteArrayElementAtIndex(list.index);
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ReorderableList.defaultBehaviours.DoRemoveButton(list);
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}
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static void DrawAgentTypeListHeader(Rect rect)
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{
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GUI.Label(rect, Styles.k_AgentTypesHeader);
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}
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void DrawAgentTypeListElement(Rect rect, int index, bool selected, bool focused)
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{
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SerializedProperty agentProp = m_AgentTypes.GetArrayElementAtIndex(index);
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if (agentProp == null)
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return;
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SerializedProperty idProp = agentProp.FindPropertyRelative("agentTypeID");
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if (idProp == null)
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return;
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rect.height -= 2; // nicer looking with selected list row and a text field in it
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bool isDefault = idProp.intValue == 0;
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using (new EditorGUI.DisabledScope(isDefault))
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{
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var settingsName = UnityEngine.AI.NavMesh.GetSettingsNameFromID(idProp.intValue);
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GUI.Label(rect, EditorGUIUtility.TrTempContent(settingsName));
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}
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}
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public void OnGUI()
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{
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EditorGUILayout.Space();
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ModeToggle();
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EditorGUILayout.Space();
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InitProjectSettings();
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m_ScrollPos = EditorGUILayout.BeginScrollView(m_ScrollPos);
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switch (m_Mode)
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{
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case Mode.AreaSettings:
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AreaSettings();
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break;
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case Mode.AgentTypeSettings:
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AgentTypeSettings();
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break;
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}
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EditorGUILayout.EndScrollView();
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}
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void AreaSettings()
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{
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if (m_Areas == null)
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InitAreas();
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m_NavMeshProjectSettingsObject.Update();
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using (new GUILayout.VerticalScope(Styles.k_ContentMargins))
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{
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m_AreasList.DoLayoutList();
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}
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m_NavMeshProjectSettingsObject.ApplyModifiedProperties();
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}
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void AgentTypeSettings()
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{
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if (m_AgentTypes == null)
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InitAgentTypes();
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m_NavMeshProjectSettingsObject.Update();
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if (m_AgentTypeList.index < 0)
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m_AgentTypeList.index = 0;
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using (new GUILayout.VerticalScope(Styles.k_ContentMargins))
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{
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m_AgentTypeList.DoLayoutList();
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}
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if (m_AgentTypeList.index >= 0 && m_AgentTypeList.index < m_AgentTypes.arraySize)
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{
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SerializedProperty nameProp = m_SettingNames.GetArrayElementAtIndex(m_AgentTypeList.index);
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SerializedProperty selectedAgentType = m_AgentTypes.GetArrayElementAtIndex(m_AgentTypeList.index);
|
||
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||
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SerializedProperty radiusProp = selectedAgentType.FindPropertyRelative("agentRadius");
|
||
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SerializedProperty heightProp = selectedAgentType.FindPropertyRelative("agentHeight");
|
||
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|
SerializedProperty stepHeightProp = selectedAgentType.FindPropertyRelative("agentClimb");
|
||
|
|
SerializedProperty maxSlopeProp = selectedAgentType.FindPropertyRelative("agentSlope");
|
||
|
|
SerializedProperty ledgeDropHeightProp = selectedAgentType.FindPropertyRelative("ledgeDropHeight");
|
||
|
|
SerializedProperty jumpDistanceProp = selectedAgentType.FindPropertyRelative("maxJumpAcrossDistance");
|
||
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|
||
|
|
const float kDiagramHeight = 120.0f;
|
||
|
|
Rect agentDiagramRect = EditorGUILayout.GetControlRect(false, kDiagramHeight);
|
||
|
|
NavMeshEditorHelpers.DrawAgentDiagram(agentDiagramRect, radiusProp.floatValue, heightProp.floatValue, stepHeightProp.floatValue, maxSlopeProp.floatValue);
|
||
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|
|
||
|
|
EditorGUILayout.PropertyField(nameProp, EditorGUIUtility.TrTempContent("Name"));
|
||
|
|
EditorGUILayout.PropertyField(radiusProp, EditorGUIUtility.TrTempContent("Radius"));
|
||
|
|
EditorGUILayout.PropertyField(heightProp, EditorGUIUtility.TrTempContent("Height"));
|
||
|
|
EditorGUILayout.PropertyField(stepHeightProp, EditorGUIUtility.TrTempContent("Step Height"));
|
||
|
|
|
||
|
|
const float kMaxSlopeAngle = 60.0f;
|
||
|
|
EditorGUILayout.Slider(maxSlopeProp, 0.0f, kMaxSlopeAngle, EditorGUIUtility.TrTextContent("Max Slope"));
|
||
|
|
|
||
|
|
EditorGUILayout.Space();
|
||
|
|
EditorGUILayout.LabelField(EditorGUIUtility.TrTempContent("Generated Links"), EditorStyles.boldLabel);
|
||
|
|
EditorGUILayout.PropertyField(ledgeDropHeightProp, EditorGUIUtility.TrTempContent("Drop Height"));
|
||
|
|
EditorGUILayout.PropertyField(jumpDistanceProp, EditorGUIUtility.TrTempContent("Jump Distance"));
|
||
|
|
}
|
||
|
|
|
||
|
|
EditorGUILayout.Space();
|
||
|
|
|
||
|
|
m_NavMeshProjectSettingsObject.ApplyModifiedProperties();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|