Navmesh 완벽 구현 완료

Assets/NavMeshComponents.meta

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Assets/NavMeshComponents/Editor.meta

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Assets/NavMeshComponents/Editor/NavMeshAssetManager.cs.meta

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Assets/NavMeshComponents/Editor/NavMeshComponentsEditor.asmdef

+{
+    "name": "NavMeshComponentsEditor",
+    "references": [
+        "NavMeshComponents"
+    ],
+    "optionalUnityReferences": [],
+    "includePlatforms": [
+        "Editor"
+    ],
+    "excludePlatforms": [],
+    "allowUnsafeCode": false,
+    "overrideReferences": false,
+    "precompiledReferences": [],
+    "autoReferenced": true,
+    "defineConstraints": []
+}
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Assets/NavMeshComponents/Editor/NavMeshComponentsEditor.asmdef.meta

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Assets/NavMeshComponents/Editor/NavMeshComponentsGUIUtility.cs

+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;
+        }
+    }
+}

Assets/NavMeshComponents/Editor/NavMeshComponentsGUIUtility.cs.meta

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Assets/NavMeshComponents/Editor/NavMeshLinkEditor.cs.meta

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Assets/NavMeshComponents/Editor/NavMeshModifierEditor.cs

+using UnityEngine.AI;
+
+namespace UnityEditor.AI
+{
+    [CanEditMultipleObjects]
+    [CustomEditor(typeof(NavMeshModifier))]
+    class NavMeshModifierEditor : Editor
+    {
+        SerializedProperty m_AffectedAgents;
+        SerializedProperty m_Area;
+        SerializedProperty m_IgnoreFromBuild;
+        SerializedProperty m_OverrideArea;
+
+        void OnEnable()
+        {
+            m_AffectedAgents = serializedObject.FindProperty("m_AffectedAgents");
+            m_Area = serializedObject.FindProperty("m_Area");
+            m_IgnoreFromBuild = serializedObject.FindProperty("m_IgnoreFromBuild");
+            m_OverrideArea = serializedObject.FindProperty("m_OverrideArea");
+
+            NavMeshVisualizationSettings.showNavigation++;
+        }
+
+        void OnDisable()
+        {
+            NavMeshVisualizationSettings.showNavigation--;
+        }
+
+        public override void OnInspectorGUI()
+        {
+            serializedObject.Update();
+
+            EditorGUILayout.PropertyField(m_IgnoreFromBuild);
+
+            EditorGUILayout.PropertyField(m_OverrideArea);
+            if (m_OverrideArea.boolValue)
+            {
+                EditorGUI.indentLevel++;
+                NavMeshComponentsGUIUtility.AreaPopup("Area Type", m_Area);
+                EditorGUI.indentLevel--;
+            }
+
+            NavMeshComponentsGUIUtility.AgentMaskPopup("Affected Agents", m_AffectedAgents);
+            EditorGUILayout.Space();
+
+            serializedObject.ApplyModifiedProperties();
+        }
+    }
+}

Assets/NavMeshComponents/Editor/NavMeshModifierEditor.cs.meta

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Assets/NavMeshComponents/Editor/NavMeshModifierVolumeEditor.cs

+using UnityEditor.IMGUI.Controls;
+using UnityEditorInternal;
+using UnityEngine.AI;
+using UnityEngine;
+
+namespace UnityEditor.AI
+{
+    [CanEditMultipleObjects]
+    [CustomEditor(typeof(NavMeshModifierVolume))]
+    class NavMeshModifierVolumeEditor : Editor
+    {
+        SerializedProperty m_AffectedAgents;
+        SerializedProperty m_Area;
+        SerializedProperty m_Center;
+        SerializedProperty m_Size;
+
+        static Color s_HandleColor = new Color(187f, 138f, 240f, 210f) / 255;
+        static Color s_HandleColorDisabled = new Color(187f * 0.75f, 138f * 0.75f, 240f * 0.75f, 100f) / 255;
+
+        BoxBoundsHandle m_BoundsHandle = new BoxBoundsHandle();
+
+        bool editingCollider
+        {
+            get { return EditMode.editMode == EditMode.SceneViewEditMode.Collider && EditMode.IsOwner(this); }
+        }
+
+        void OnEnable()
+        {
+            m_AffectedAgents = serializedObject.FindProperty("m_AffectedAgents");
+            m_Area = serializedObject.FindProperty("m_Area");
+            m_Center = serializedObject.FindProperty("m_Center");
+            m_Size = serializedObject.FindProperty("m_Size");
+
+            NavMeshVisualizationSettings.showNavigation++;
+        }
+
+        void OnDisable()
+        {
+            NavMeshVisualizationSettings.showNavigation--;
+        }
+
+        Bounds GetBounds()
+        {
+            var navModifier = (NavMeshModifierVolume)target;
+            return new Bounds(navModifier.transform.position, navModifier.size);
+        }
+
+        public override void OnInspectorGUI()
+        {
+            serializedObject.Update();
+
+            EditMode.DoEditModeInspectorModeButton(EditMode.SceneViewEditMode.Collider, "Edit Volume",
+                EditorGUIUtility.IconContent("EditCollider"), GetBounds, this);
+
+            EditorGUILayout.PropertyField(m_Size);
+            EditorGUILayout.PropertyField(m_Center);
+
+            NavMeshComponentsGUIUtility.AreaPopup("Area Type", m_Area);
+            NavMeshComponentsGUIUtility.AgentMaskPopup("Affected Agents", m_AffectedAgents);
+            EditorGUILayout.Space();
+
+            serializedObject.ApplyModifiedProperties();
+        }
+
+        [DrawGizmo(GizmoType.Selected | GizmoType.Active)]
+        static void RenderBoxGizmo(NavMeshModifierVolume navModifier, GizmoType gizmoType)
+        {
+            var color = navModifier.enabled ? s_HandleColor : s_HandleColorDisabled;
+            var colorTrans = new Color(color.r * 0.75f, color.g * 0.75f, color.b * 0.75f, color.a * 0.15f);
+
+            var oldColor = Gizmos.color;
+            var oldMatrix = Gizmos.matrix;
+
+            Gizmos.matrix = navModifier.transform.localToWorldMatrix;
+
+            Gizmos.color = colorTrans;
+            Gizmos.DrawCube(navModifier.center, navModifier.size);
+
+            Gizmos.color = color;
+            Gizmos.DrawWireCube(navModifier.center, navModifier.size);
+
+            Gizmos.matrix = oldMatrix;
+            Gizmos.color = oldColor;
+
+            Gizmos.DrawIcon(navModifier.transform.position, "NavMeshModifierVolume Icon", true);
+        }
+
+        [DrawGizmo(GizmoType.NotInSelectionHierarchy | GizmoType.Pickable)]
+        static void RenderBoxGizmoNotSelected(NavMeshModifierVolume navModifier, GizmoType gizmoType)
+        {
+            if (NavMeshVisualizationSettings.showNavigation > 0)
+            {
+                var color = navModifier.enabled ? s_HandleColor : s_HandleColorDisabled;
+                var oldColor = Gizmos.color;
+                var oldMatrix = Gizmos.matrix;
+
+                Gizmos.matrix = navModifier.transform.localToWorldMatrix;
+
+                Gizmos.color = color;
+                Gizmos.DrawWireCube(navModifier.center, navModifier.size);
+
+                Gizmos.matrix = oldMatrix;
+                Gizmos.color = oldColor;
+            }
+
+            Gizmos.DrawIcon(navModifier.transform.position, "NavMeshModifierVolume Icon", true);
+        }
+
+        void OnSceneGUI()
+        {
+            if (!editingCollider)
+                return;
+
+            var vol = (NavMeshModifierVolume)target;
+            var color = vol.enabled ? s_HandleColor : s_HandleColorDisabled;
+            using (new Handles.DrawingScope(color, vol.transform.localToWorldMatrix))
+            {
+                m_BoundsHandle.center = vol.center;
+                m_BoundsHandle.size = vol.size;
+
+                EditorGUI.BeginChangeCheck();
+                m_BoundsHandle.DrawHandle();
+                if (EditorGUI.EndChangeCheck())
+                {
+                    Undo.RecordObject(vol, "Modified NavMesh Modifier Volume");
+                    Vector3 center = m_BoundsHandle.center;
+                    Vector3 size = m_BoundsHandle.size;
+                    vol.center = center;
+                    vol.size = size;
+                    EditorUtility.SetDirty(target);
+                }
+            }
+        }
+
+        [MenuItem("GameObject/AI/NavMesh Modifier Volume", false, 2001)]
+        static public void CreateNavMeshModifierVolume(MenuCommand menuCommand)
+        {
+            var parent = menuCommand.context as GameObject;
+            var go = NavMeshComponentsGUIUtility.CreateAndSelectGameObject("NavMesh Modifier Volume", parent);
+            go.AddComponent<NavMeshModifierVolume>();
+            var view = SceneView.lastActiveSceneView;
+            if (view != null)
+                view.MoveToView(go.transform);
+        }
+    }
+}

Assets/NavMeshComponents/Editor/NavMeshModifierVolumeEditor.cs.meta

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Assets/NavMeshComponents/Editor/NavMeshSurfaceEditor.cs.meta

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Assets/NavMeshComponents/Scripts.meta

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Assets/NavMeshComponents/Scripts/NavMeshComponents.asmdef

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+    "name": "NavMeshComponents",
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+    "optionalUnityReferences": [],
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+    "excludePlatforms": [],
+    "allowUnsafeCode": false,
+    "overrideReferences": false,
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+}
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Assets/NavMeshComponents/Scripts/NavMeshComponents.asmdef.meta

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Assets/NavMeshComponents/Scripts/NavMeshLink.cs

+using System.Collections.Generic;
+
+namespace UnityEngine.AI
+{
+    [ExecuteInEditMode]
+    [DefaultExecutionOrder(-101)]
+    [AddComponentMenu("Navigation/NavMeshLink", 33)]
+    [HelpURL("https://github.com/Unity-Technologies/NavMeshComponents#documentation-draft")]
+    public class NavMeshLink : MonoBehaviour
+    {
+        [SerializeField]
+        int m_AgentTypeID;
+        public int agentTypeID { get { return m_AgentTypeID; } set { m_AgentTypeID = value; UpdateLink(); } }
+
+        [SerializeField]
+        Vector3 m_StartPoint = new Vector3(0.0f, 0.0f, -2.5f);
+        public Vector3 startPoint { get { return m_StartPoint; } set { m_StartPoint = value; UpdateLink(); } }
+
+        [SerializeField]
+        Vector3 m_EndPoint = new Vector3(0.0f, 0.0f, 2.5f);
+        public Vector3 endPoint { get { return m_EndPoint; } set { m_EndPoint = value; UpdateLink(); } }
+
+        [SerializeField]
+        float m_Width;
+        public float width { get { return m_Width; } set { m_Width = value; UpdateLink(); } }
+
+        [SerializeField]
+        int m_CostModifier = -1;
+        public int costModifier { get { return m_CostModifier; } set { m_CostModifier = value; UpdateLink(); } }
+
+        [SerializeField]
+        bool m_Bidirectional = true;
+        public bool bidirectional { get { return m_Bidirectional; } set { m_Bidirectional = value; UpdateLink(); } }
+
+        [SerializeField]
+        bool m_AutoUpdatePosition;
+        public bool autoUpdate { get { return m_AutoUpdatePosition; } set { SetAutoUpdate(value); } }
+
+        [SerializeField]
+        int m_Area;
+        public int area { get { return m_Area; } set { m_Area = value; UpdateLink(); } }
+
+        NavMeshLinkInstance m_LinkInstance = new NavMeshLinkInstance();
+
+        Vector3 m_LastPosition = Vector3.zero;
+        Quaternion m_LastRotation = Quaternion.identity;
+
+        static readonly List<NavMeshLink> s_Tracked = new List<NavMeshLink>();
+
+        void OnEnable()
+        {
+            AddLink();
+            if (m_AutoUpdatePosition && m_LinkInstance.valid)
+                AddTracking(this);
+        }
+
+        void OnDisable()
+        {
+            RemoveTracking(this);
+            m_LinkInstance.Remove();
+        }
+
+        public void UpdateLink()
+        {
+            m_LinkInstance.Remove();
+            AddLink();
+        }
+
+        static void AddTracking(NavMeshLink link)
+        {
+#if UNITY_EDITOR
+            if (s_Tracked.Contains(link))
+            {
+                Debug.LogError("Link is already tracked: " + link);
+                return;
+            }
+#endif
+
+            if (s_Tracked.Count == 0)
+                NavMesh.onPreUpdate += UpdateTrackedInstances;
+
+            s_Tracked.Add(link);
+        }
+
+        static void RemoveTracking(NavMeshLink link)
+        {
+            s_Tracked.Remove(link);
+
+            if (s_Tracked.Count == 0)
+                NavMesh.onPreUpdate -= UpdateTrackedInstances;
+        }
+
+        void SetAutoUpdate(bool value)
+        {
+            if (m_AutoUpdatePosition == value)
+                return;
+            m_AutoUpdatePosition = value;
+            if (value)
+                AddTracking(this);
+            else
+                RemoveTracking(this);
+        }
+
+        void AddLink()
+        {
+#if UNITY_EDITOR
+            if (m_LinkInstance.valid)
+            {
+                Debug.LogError("Link is already added: " + this);
+                return;
+            }
+#endif
+
+            var link = new NavMeshLinkData();
+            link.startPosition = m_StartPoint;
+            link.endPosition = m_EndPoint;
+            link.width = m_Width;
+            link.costModifier = m_CostModifier;
+            link.bidirectional = m_Bidirectional;
+            link.area = m_Area;
+            link.agentTypeID = m_AgentTypeID;
+            m_LinkInstance = NavMesh.AddLink(link, transform.position, transform.rotation);
+            if (m_LinkInstance.valid)
+                m_LinkInstance.owner = this;
+
+            m_LastPosition = transform.position;
+            m_LastRotation = transform.rotation;
+        }
+
+        bool HasTransformChanged()
+        {
+            if (m_LastPosition != transform.position) return true;
+            if (m_LastRotation != transform.rotation) return true;
+            return false;
+        }
+
+        void OnDidApplyAnimationProperties()
+        {
+            UpdateLink();
+        }
+
+        static void UpdateTrackedInstances()
+        {
+            foreach (var instance in s_Tracked)
+            {
+                if (instance.HasTransformChanged())
+                    instance.UpdateLink();
+            }
+        }
+
+#if UNITY_EDITOR
+        void OnValidate()
+        {
+            m_Width = Mathf.Max(0.0f, m_Width);
+
+            if (!m_LinkInstance.valid)
+                return;
+
+            UpdateLink();
+
+            if (!m_AutoUpdatePosition)
+            {
+                RemoveTracking(this);
+            }
+            else if (!s_Tracked.Contains(this))
+            {
+                AddTracking(this);
+            }
+        }
+#endif
+    }
+}

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Assets/NavMeshComponents/Scripts/NavMeshModifier.cs

+using System.Collections.Generic;
+
+namespace UnityEngine.AI
+{
+    [ExecuteInEditMode]
+    [AddComponentMenu("Navigation/NavMeshModifier", 32)]
+    [HelpURL("https://github.com/Unity-Technologies/NavMeshComponents#documentation-draft")]
+    public class NavMeshModifier : MonoBehaviour
+    {
+        [SerializeField]
+        bool m_OverrideArea;
+        public bool overrideArea { get { return m_OverrideArea; } set { m_OverrideArea = value; } }
+
+        [SerializeField]
+        int m_Area;
+        public int area { get { return m_Area; } set { m_Area = value; } }
+
+        [SerializeField]
+        bool m_IgnoreFromBuild;
+        public bool ignoreFromBuild { get { return m_IgnoreFromBuild; } set { m_IgnoreFromBuild = value; } }
+
+        // List of agent types the modifier is applied for.
+        // Special values: empty == None, m_AffectedAgents[0] =-1 == All.
+        [SerializeField]
+        List<int> m_AffectedAgents = new List<int>(new int[] { -1 });    // Default value is All
+
+        static readonly List<NavMeshModifier> s_NavMeshModifiers = new List<NavMeshModifier>();
+
+        public static List<NavMeshModifier> activeModifiers
+        {
+            get { return s_NavMeshModifiers; }
+        }
+
+        void OnEnable()
+        {
+            if (!s_NavMeshModifiers.Contains(this))
+                s_NavMeshModifiers.Add(this);
+        }
+
+        void OnDisable()
+        {
+            s_NavMeshModifiers.Remove(this);
+        }
+
+        public bool AffectsAgentType(int agentTypeID)
+        {
+            if (m_AffectedAgents.Count == 0)
+                return false;
+            if (m_AffectedAgents[0] == -1)
+                return true;
+            return m_AffectedAgents.IndexOf(agentTypeID) != -1;
+        }
+    }
+}

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Assets/NavMeshComponents/Scripts/NavMeshModifierVolume.cs

+using System.Collections.Generic;
+
+namespace UnityEngine.AI
+{
+    [ExecuteInEditMode]
+    [AddComponentMenu("Navigation/NavMeshModifierVolume", 31)]
+    [HelpURL("https://github.com/Unity-Technologies/NavMeshComponents#documentation-draft")]
+    public class NavMeshModifierVolume : MonoBehaviour
+    {
+        [SerializeField]
+        Vector3 m_Size = new Vector3(4.0f, 3.0f, 4.0f);
+        public Vector3 size { get { return m_Size; } set { m_Size = value; } }
+
+        [SerializeField]
+        Vector3 m_Center = new Vector3(0, 1.0f, 0);
+        public Vector3 center { get { return m_Center; } set { m_Center = value; } }
+
+        [SerializeField]
+        int m_Area;
+        public int area { get { return m_Area; } set { m_Area = value; } }
+
+        // List of agent types the modifier is applied for.
+        // Special values: empty == None, m_AffectedAgents[0] =-1 == All.
+        [SerializeField]
+        List<int> m_AffectedAgents = new List<int>(new int[] { -1 });    // Default value is All
+
+        static readonly List<NavMeshModifierVolume> s_NavMeshModifiers = new List<NavMeshModifierVolume>();
+
+        public static List<NavMeshModifierVolume> activeModifiers
+        {
+            get { return s_NavMeshModifiers; }
+        }
+
+        void OnEnable()
+        {
+            if (!s_NavMeshModifiers.Contains(this))
+                s_NavMeshModifiers.Add(this);
+        }
+
+        void OnDisable()
+        {
+            s_NavMeshModifiers.Remove(this);
+        }
+
+        public bool AffectsAgentType(int agentTypeID)
+        {
+            if (m_AffectedAgents.Count == 0)
+                return false;
+            if (m_AffectedAgents[0] == -1)
+                return true;
+            return m_AffectedAgents.IndexOf(agentTypeID) != -1;
+        }
+    }
+}

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+--- !u!195 &8862060874303168218
+NavMeshAgent:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 8862060874303168220}
+  m_Enabled: 1
+  m_AgentTypeID: 0
+  m_Radius: 0.5
+  m_Speed: 5
+  m_Acceleration: 1000
+  avoidancePriority: 50
+  m_AngularSpeed: 300
+  m_StoppingDistance: 0
+  m_AutoTraverseOffMeshLink: 1
+  m_AutoBraking: 1
+  m_AutoRepath: 1
+  m_Height: 2
+  m_BaseOffset: 1
+  m_WalkableMask: 4294967295
+  m_ObstacleAvoidanceType: 4

Assets/Prefabs/Player.prefab.meta

+fileFormatVersion: 2
+guid: 6ba287375b5ad4b458a7b7b99c6d6a08
+PrefabImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Prefabs/TestTools.prefab.meta

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+guid: 0b18400fb62a12d4e9cb5fbb8ecbb53f
+PrefabImporter:
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Assets/Scenes/SampleScene.meta

 fileFormatVersion: 2
-guid: 78604bd058bf2d142907bba8940e1139
+guid: 0dfaf1680fff23845b86d1af6c30534d
 folderAsset: yes
 DefaultImporter:
   externalObjects: {}

Assets/Scenes/SampleScene/NavMesh-Cube.asset.meta

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+guid: b9c618c34813a4e478a9ee5025ae667e
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Assets/Scripts/MapManager.cs

 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
+using UnityEngine.AI;
+using UnityEngine.UI;
 
 public class MapManager : MonoBehaviour
 {
     public int x, y;
-    public GameObject cube;
+    public GameObject floor;
+    public GameObject wall;
     public GameObject player;
     public GameObject[,] mapGrid;
+    public NavMeshSurface surface;
+
+
+
+    public InputField xInput, yInput;
+    public void RemoveTile()
+    {
+        if (mapGrid[int.Parse(xInput.text), int.Parse(yInput.text)] != null)
+        {
+            Destroy(mapGrid[int.Parse(xInput.text), int.Parse(yInput.text)].gameObject);
+            surface.BuildNavMesh();
+        }
+        else
+            Debug.Log("Tile doesn't exists");
+    }
+    public void AddTile()
+    {
+        if (mapGrid[int.Parse(xInput.text), int.Parse(yInput.text)] == null)
+        {
+            mapGrid[int.Parse(xInput.text), int.Parse(yInput.text)] = Instantiate(floor, new Vector3(int.Parse(xInput.text), 0, int.Parse(yInput.text)), Quaternion.identity, transform);
+            surface.BuildNavMesh();
+        }
+        else
+            Debug.Log("Tile already exists");
+    }
+
+
 
     // Start is called before the first frame update
     void Start()
     {
-        mapGrid = new GameObject[x, y];
+        mapGrid = new GameObject[100, 100];
         for(int i = 0; i < x; i++)
             for(int j = 0; j < y; j++)
-                mapGrid[i, j] = Instantiate(cube, new Vector3(i, 0, j), Quaternion.identity, transform);
-        //player.transform.position = mapGrid[0, 0].transform.position + new Vector3(0, 1.5f, 0);
+                mapGrid[i, j] = Instantiate(floor, new Vector3(i, 0, j), Quaternion.identity, transform);
+        Instantiate(wall, new Vector3(2, 1, 2), Quaternion.identity, transform);
+        surface.BuildNavMesh();
+        player.transform.position = mapGrid[0, 0].transform.position + new Vector3(0, 1.5f, 0);
     }
 
     // Update is called once per frame

Assets/Scripts/PlayerController.cs

@@ -18,8 +18,12 @@ public class PlayerController : MonoBehaviour
         {
             Ray mouseRay = Camera.main.ScreenPointToRay(Input.mousePosition);
             RaycastHit hit;
-            Physics.Raycast(mouseRay, out hit);
-            GetComponent<NavMeshAgent>().SetDestination(hit.point);
+            if (Physics.Raycast(mouseRay, out hit) && hit.collider.gameObject.tag.Equals("floor"))
+            {
+                GetComponent<NavMeshAgent>().SetDestination(hit.collider.gameObject.transform.position);
+                Debug.Log(hit.collider.gameObject.transform.position);
+                Debug.Log(hit.collider.gameObject.tag);
+            }
         }
     }
 }

ProjectSettings/NavMeshAreas.asset

@@ -73,7 +73,7 @@ NavMeshProjectSettings:
   m_Settings:
   - serializedVersion: 2
     agentTypeID: 0
-    agentRadius: 0.5
+    agentRadius: 0.3
     agentHeight: 2
     agentSlope: 45
     agentClimb: 0.75

ProjectSettings/TagManager.asset

@@ -3,7 +3,9 @@
 --- !u!78 &1
 TagManager:
   serializedVersion: 2
-  tags: []
+  tags:
+  - wall
+  - floor
   layers:
   - Default
   - TransparentFX
@@ -13,7 +15,7 @@ TagManager:
   - UI
   - 
   - 
-  - PostProcessing
+  - Player
   - 
   - 
   -