//===========================================================================================

        /**
         *  @brief
         *
         *********************************************************************************************/
        private void DragDropAnimations(Rect a_dropRect)
        {
            Event evt = Event.current;

            switch (evt.type)
            {
            case EventType.DragUpdated:
            case EventType.DragPerform:
            {
                if (!a_dropRect.Contains(evt.mousePosition))
                {
                    return;
                }

                if (DragAndDrop.objectReferences[0].GetType() == typeof(AnimationClip))
                {
                    DragAndDrop.visualMode = DragAndDropVisualMode.Copy;

                    if (evt.type == EventType.DragPerform)
                    {
                        DragAndDrop.AcceptDrag();

                        UnityEngine.Object obj = DragAndDrop.objectReferences[0];

                        if (obj != null && obj.GetType() == typeof(AnimationClip))
                        {
                            Vector2 blendSpacePos = evt.mousePosition - (a_dropRect.position + (a_dropRect.size / 2f));

                            float blendSpaceRatioX = 1f / (a_dropRect.width / 2f);
                            float blendSpaceRatioY = -1f / (a_dropRect.height / 2f);

                            blendSpacePos *= new Vector2(blendSpaceRatioX, blendSpaceRatioY);

                            m_spClips.InsertArrayElementAtIndex(m_spClips.arraySize);
                            m_spPositions.InsertArrayElementAtIndex(m_spPositions.arraySize);

                            m_spClips.GetArrayElementAtIndex(m_spClips.arraySize - 1).objectReferenceValue = obj as AnimationClip;
                            m_spPositions.GetArrayElementAtIndex(m_spClips.arraySize - 1).vector2Value     = blendSpacePos;

                            if (m_snapActive)
                            {
                                SnapClip(m_spPositions.arraySize - 1);
                            }

                            if (m_previewActive)
                            {
                                AddClipToPreview(obj as AnimationClip);
                            }

                            MxMAnimConfigWindow.Inst().Repaint();
                        }
                    }
                }
            }
            break;
            }
        }
        public static bool OpenAssetEditor(int a_instanceId, int a_line)
        {
            MxMAnimationIdleSet data = EditorUtility.InstanceIDToObject(
                a_instanceId) as MxMAnimationIdleSet;

            if(data != null)
            {
                MxMAnimConfigWindow.ShowWindow();
                MxMAnimConfigWindow.SetData(data);

                return true;
            }
            
            return false;
        }
        public static bool OpenAssetEditor(int a_instanceID, int a_line)
        {
            MxMAnimationClipComposite data = EditorUtility.InstanceIDToObject(
                a_instanceID) as MxMAnimationClipComposite;

            if (data != null)
            {
                data.ValidateBaseData();
                MxMAnimConfigWindow.ShowWindow();
                MxMAnimConfigWindow.SetData(data);

                return true;
            }

            return false;
        }
        public static void ShowWindow()
        {
            m_compositeWindow  = MxMAnimationClipCompositeWindow.Inst();
            m_idleSetWindow    = MxMAnimationIdleSetWindow.Inst();
            m_blendSpaceWindow = MxMBlendSpaceWindow.Inst();

            System.Type sceneType = System.Type.GetType("UnityEditor.SceneView, UnityEditor.dll");
            System.Type gameType  = System.Type.GetType("UnityEditor.GameView, UnityEditor.dll");

            var dockTypes = new System.Type[] { typeof(MxMAnimationIdleSetWindow), typeof(MxMBlendSpaceWindow),
                                                sceneType, gameType };

            EditorWindow editorWindow = EditorWindow.GetWindow <MxMAnimConfigWindow>("MxM Anim Config",
                                                                                     true, dockTypes);

            editorWindow.minSize = new Vector2(100f, 50f);
            editorWindow.Show();

            m_inst = (MxMAnimConfigWindow)editorWindow;

            MxMTaggingWindow.ShowWindow();
        }
        //===========================================================================================

        /**
         *  @brief
         *
         *********************************************************************************************/
        public void OnGUI(Rect a_position)
        {
            if (m_data == null)
            {
                MxMSettings settings = MxMSettings.Instance();
                if (settings != null)
                {
                    m_data = settings.ActiveBlendSpace;

                    if (m_data != null)
                    {
                        SetData(m_data);
                    }
                }
            }

            if (m_data != null)
            {
                Event evt = Event.current;

                float labelWidth = EditorGUIUtility.labelWidth;

                if (evt.type == EventType.Repaint)
                {
                    if (m_queueDeleteIndex >= 0 && m_queueDeleteIndex < m_spClips.arraySize)
                    {
                        if (m_selectId == m_queueDeleteIndex)
                        {
                            m_selectId = -1;
                        }

                        if (m_spClips.GetArrayElementAtIndex(m_queueDeleteIndex).objectReferenceValue != null)
                        {
                            m_spClips.DeleteArrayElementAtIndex(m_queueDeleteIndex);
                        }

                        m_spClips.DeleteArrayElementAtIndex(m_queueDeleteIndex);
                        m_spPositions.DeleteArrayElementAtIndex(m_queueDeleteIndex);

                        m_queueDeleteIndex = -1;
                    }
                }

                EditorGUILayout.BeginVertical();
                EditorGUILayout.BeginHorizontal(EditorStyles.toolbar, GUILayout.Height(20f), GUILayout.ExpandWidth(true));

                EditorGUI.BeginChangeCheck();
                m_previewActive = GUILayout.Toggle(m_previewActive, "Preview", EditorStyles.toolbarButton, GUILayout.Width(60f));
                if (EditorGUI.EndChangeCheck())
                {
                    if (m_previewActive)
                    {
                        BeginPreview();
                    }
                    else
                    {
                        EndPreview();
                    }
                }



                if (m_previewActive && MxMPreviewScene.IsSceneLoaded)
                {
                    EditorGUIUtility.labelWidth = 20f;

                    EditorGUI.BeginChangeCheck();
                    m_previewPos.x = EditorGUILayout.FloatField("X: ", m_previewPos.x, EditorStyles.toolbarTextField);
                    m_previewPos.y = EditorGUILayout.FloatField("Y: ", m_previewPos.y, EditorStyles.toolbarTextField);
                    if (EditorGUI.EndChangeCheck())
                    {
                        m_previewPos.x = Mathf.Clamp(m_previewPos.x, -1f, 1f);
                        m_previewPos.y = Mathf.Clamp(m_previewPos.y, -1f, 1f);

                        CalculateBlendWeights();
                        ApplyBlendWeights();
                    }
                    EditorGUIUtility.labelWidth = labelWidth;

                    UpdatePreview();
                    MxMAnimConfigWindow.Inst().Repaint();
                }

                GUILayout.FlexibleSpace();

                m_spNormalizeTime.boolValue = GUILayout.Toggle(m_spNormalizeTime.boolValue, "Normalize Time",
                                                               EditorStyles.toolbarButton, GUILayout.Width(90f));

                EditorGUILayout.LabelField("Type:", GUILayout.Width(40f));
                m_spScatterSpace.enumValueIndex = (int)(EBlendSpaceType)EditorGUILayout.EnumPopup(
                    (EBlendSpaceType)m_spScatterSpace.enumValueIndex, GUILayout.Width(70f));
                GUILayout.Space(5f);

                switch ((EBlendSpaceType)m_spScatterSpace.enumValueIndex)
                {
                case EBlendSpaceType.Standard:
                {
                    EditorGUILayout.LabelField("Magnitude ", GUILayout.Width(62f));
                    m_spMagnitude.vector2Value = EditorGUILayout.Vector2Field("", m_spMagnitude.vector2Value, GUILayout.Width(100f));
                    EditorGUILayout.LabelField("Smoothing ", GUILayout.Width(65f));
                    m_spSmoothing.vector2Value = EditorGUILayout.Vector2Field("", m_spSmoothing.vector2Value, GUILayout.Width(100f));
                }
                break;

                case EBlendSpaceType.Scatter:
                {
                    EditorGUILayout.LabelField("Spacing", GUILayout.Width(50f));
                    m_spScatterSpacing.vector2Value = EditorGUILayout.Vector2Field("", m_spScatterSpacing.vector2Value, GUILayout.Width(100f));
                }
                break;

                case EBlendSpaceType.ScatterX:
                {
                    EditorGUILayout.LabelField("Spacing X", GUILayout.Width(60f));
                    float spacingX = EditorGUILayout.FloatField(m_spScatterSpacing.vector2Value.x, GUILayout.Width(35f));

                    m_spScatterSpacing.vector2Value = new Vector2(spacingX, m_spScatterSpacing.vector2Value.y);
                }
                break;

                case EBlendSpaceType.ScatterY:
                {
                    EditorGUILayout.LabelField("Spacing Y", GUILayout.Width(60f));
                    float spacingY = EditorGUILayout.FloatField(m_spScatterSpacing.vector2Value.y, GUILayout.Width(35f));

                    m_spScatterSpacing.vector2Value = new Vector2(m_spScatterSpacing.vector2Value.x, spacingY);
                }
                break;
                }



                GUILayout.Space(2f);
                m_showClipNames = GUILayout.Toggle(m_showClipNames, "Show Clips", EditorStyles.toolbarButton, GUILayout.Width(80f));
                GUILayout.Space(5f);
                m_snapActive = GUILayout.Toggle(m_snapActive, "Snap", EditorStyles.toolbarButton, GUILayout.Width(40f));

                if (m_snapActive)
                {
                    m_snapInterval = EditorGUILayout.FloatField(m_snapInterval, EditorStyles.toolbarTextField, GUILayout.Width(30f));
                }

                EditorGUILayout.EndHorizontal();
                GUILayout.FlexibleSpace();

                EditorGUILayout.BeginHorizontal(EditorStyles.toolbar, GUILayout.Height(20f), GUILayout.ExpandWidth(true));

                if (m_selectId >= 0 && m_selectId < m_spClips.arraySize)
                {
                    AnimationClip      clip       = m_spClips.GetArrayElementAtIndex(m_selectId).objectReferenceValue as AnimationClip;
                    SerializedProperty spPosition = m_spPositions.GetArrayElementAtIndex(m_selectId);

                    if (clip != null && spPosition != null)
                    {
                        EditorGUILayout.LabelField(clip.name, GUILayout.Width(GUI.skin.label.CalcSize(new GUIContent(clip.name)).x + 4f));

                        EditorGUI.BeginChangeCheck();
                        spPosition.vector2Value = EditorGUILayout.Vector2Field("", spPosition.vector2Value);
                        if (EditorGUI.EndChangeCheck())
                        {
                            if (m_previewActive && MxMPreviewScene.IsSceneLoaded)
                            {
                                CalculateBlendWeights();
                                ApplyBlendWeights();
                            }
                        }
                    }
                }

                EditorGUILayout.LabelField("Require", GUILayout.Width(50f));
                MxMPreProcessData preProcessData = m_spTargetPreProcessData.objectReferenceValue as MxMPreProcessData;
                AnimationModule   animModule     = m_spTargetAnimModule.objectReferenceValue as AnimationModule;

                if (preProcessData != null)
                {
                    EditorFunctions.DrawTagFlagFieldWithCustomNames(preProcessData.TagNames.ToArray(), m_spGlobalTags, 100f);
                }
                else if (animModule != null && animModule.TagNames != null)
                {
                    EditorFunctions.DrawTagFlagFieldWithCustomNames(animModule.TagNames.ToArray(), m_spGlobalTags, 100f);
                }
                else
                {
                    m_spGlobalTags.intValue = (int)(ETags)EditorGUILayout.EnumFlagsField((ETags)m_spGlobalTags.intValue);
                }

                EditorGUILayout.LabelField("Favour", GUILayout.Width(45f));

                if (preProcessData != null)
                {
                    EditorFunctions.DrawTagFlagFieldWithCustomNames(preProcessData.FavourTagNames.ToArray(), m_spGlobalFavourTags, 100f);
                }
                else if (animModule != null && animModule.FavourTagNames != null)
                {
                    EditorFunctions.DrawTagFlagFieldWithCustomNames(animModule.FavourTagNames.ToArray(), m_spGlobalFavourTags, 100f);
                }
                else
                {
                    m_spGlobalFavourTags.intValue = (int)(ETags)EditorGUILayout.EnumFlagsField((ETags)m_spGlobalFavourTags.intValue);
                }

                GUILayout.FlexibleSpace();

                if (GUILayout.Button(new GUIContent("Open Timeline"), EditorStyles.toolbarButton))
                {
                    MxMTaggingWindow.ShowWindow();
                }

                GUILayout.Space(5f);

                if (m_spTargetPreProcessData.objectReferenceValue != null ||
                    m_spTargetAnimModule.objectReferenceValue != null)
                {
                    if (GUILayout.Button(EditorGUIUtility.IconContent("back").image, EditorStyles.toolbarButton))
                    {
                        LastBlendSpace();
                    }

                    if (GUILayout.Button(EditorGUIUtility.IconContent("forward").image, EditorStyles.toolbarButton))
                    {
                        NextBlendSpace();
                    }
                }

                EditorGUI.BeginDisabledGroup(true);

                EditorGUIUtility.labelWidth = 110f;
                if (preProcessData != null)
                {
                    EditorGUILayout.ObjectField(m_spTargetPreProcessData, new GUIContent("Target PreProcess"));
                }
                else if (animModule != null)
                {
                    EditorGUILayout.ObjectField(m_spTargetAnimModule, new GUIContent("Target Anim Module"));
                }

                EditorGUIUtility.labelWidth = 95f;
                EditorGUILayout.ObjectField(m_spTargetPrefab, new GUIContent("Preview Prefab"));

                EditorGUI.EndDisabledGroup();

                EditorGUIUtility.labelWidth = labelWidth;

                EditorGUILayout.EndHorizontal();
                EditorGUILayout.EndVertical();

                Rect blendSpaceRect = new Rect(30f, 40f, a_position.width - 60f, a_position.height - 90f);

                GUI.Box(blendSpaceRect, "");

                Rect labelRect = new Rect(blendSpaceRect.x - 18f, blendSpaceRect.y, 18f, 18f);

                GUI.Label(labelRect, "1");
                labelRect.y += blendSpaceRect.height / 2f - 9f;
                GUI.Label(labelRect, "0");
                labelRect.y = blendSpaceRect.y + blendSpaceRect.height - 18f;
                GUI.Label(labelRect, "-1");
                labelRect.y += labelRect.height;
                labelRect.x += labelRect.width;
                GUI.Label(labelRect, "-1");
                labelRect.x += blendSpaceRect.width / 2f - 9f;
                GUI.Label(labelRect, "0");
                labelRect.x = blendSpaceRect.x + blendSpaceRect.width - 18f;
                GUI.Label(labelRect, "1");

                float spacingH = blendSpaceRect.width / 10f;
                float spacingV = blendSpaceRect.height / 10f;

                float top    = blendSpaceRect.y;
                float bottom = blendSpaceRect.y + blendSpaceRect.height;
                float left   = blendSpaceRect.x;
                float right  = blendSpaceRect.x + blendSpaceRect.width;

                Handles.color = Color.grey;
                for (int i = 1; i < 10; ++i)
                {
                    float horizontal = i * spacingH + blendSpaceRect.x;
                    float vertical   = i * spacingV + blendSpaceRect.y;

                    Handles.DrawLine(new Vector3(horizontal, top), new Vector3(horizontal, bottom));
                    Handles.DrawLine(new Vector3(left, vertical), new Vector3(right, vertical));
                }

                Handles.color = Color.black;
                Handles.DrawLine(new Vector3(blendSpaceRect.x + blendSpaceRect.width / 2f, top),
                                 new Vector3(blendSpaceRect.x + blendSpaceRect.width / 2f, bottom));

                Handles.DrawLine(new Vector3(left, blendSpaceRect.y + blendSpaceRect.height / 2f),
                                 new Vector3(right, blendSpaceRect.y + blendSpaceRect.height / 2f));

                Rect    animDrawRect    = new Rect(0f, 0f, 18f, 18f);
                Vector2 blendSpaceRatio = new Vector2(2f / blendSpaceRect.width, 2f / blendSpaceRect.height);

                Texture blendKey         = EditorGUIUtility.IconContent("blendKey").image;
                Texture blendKeySelected = EditorGUIUtility.IconContent("blendKeySelected").image;
                Texture previewPointTex  = EditorGUIUtility.IconContent("d_P4_AddedLocal").image;

                Vector2 centerPos = blendSpaceRect.position;
                centerPos.x += blendSpaceRect.width / 2f;
                centerPos.y += blendSpaceRect.height / 2f;

                //Draw Points
                for (int i = 0; i < m_spClips.arraySize; ++i)
                {
                    Vector2 normalizedPos = m_spPositions.GetArrayElementAtIndex(i).vector2Value;
                    normalizedPos.y *= -1f;

                    animDrawRect.position = (normalizedPos / blendSpaceRatio) + centerPos;

                    animDrawRect.size = new Vector2(14f, 14f);

                    if (m_previewActive && MxMPreviewScene.IsSceneLoaded)
                    {
                        float size = 9f + 5f * m_blendWeights[i];
                        animDrawRect.size = new Vector2(size, size);
                    }
                    else
                    {
                        animDrawRect.size = new Vector2(14f, 14f);
                    }

                    animDrawRect.position -= (animDrawRect.size / 2f);

                    if (m_selectId == i)
                    {
                        GUI.DrawTexture(animDrawRect, blendKeySelected);
                    }
                    else
                    {
                        GUI.DrawTexture(animDrawRect, blendKey);
                    }

                    if (m_showClipNames)
                    {
                        AnimationClip clip = m_spClips.GetArrayElementAtIndex(i).objectReferenceValue as AnimationClip;

                        Vector2 labelSize = GUI.skin.label.CalcSize(new GUIContent(clip.name));

                        Rect clipNameRect = new Rect(animDrawRect.x + (animDrawRect.width / 2f) - labelSize.x / 2f,
                                                     animDrawRect.y - labelSize.y, labelSize.x, labelSize.y);

                        GUI.Label(clipNameRect, clip.name);
                    }

                    if (evt.type == EventType.MouseDown && evt.button == 0)
                    {
                        if (animDrawRect.Contains(evt.mousePosition))
                        {
                            m_selectId       = i;
                            m_dragging       = true;
                            m_cumulativeDrag = m_spPositions.GetArrayElementAtIndex(i).vector2Value;

                            if (evt.clickCount >= 2)
                            {
                                EditorGUIUtility.PingObject(m_spClips.GetArrayElementAtIndex(i).objectReferenceValue);
                            }

                            evt.Use();
                            MxMAnimConfigWindow.Inst().Repaint();
                        }
                    }
                }

                //Draw Preview Point
                if (m_previewActive && MxMPreviewScene.IsSceneLoaded)
                {
                    Vector3 previewDrawPos = m_previewPos;
                    previewDrawPos.y *= -1f;

                    animDrawRect.size     = new Vector2(18f, 18f);
                    animDrawRect.position = (previewDrawPos / blendSpaceRatio) + centerPos - (animDrawRect.size / 2f);

                    GUI.DrawTexture(animDrawRect, previewPointTex);
                }

                switch (evt.type)
                {
                case EventType.MouseDown:
                {
                    if (m_previewActive && blendSpaceRect.Contains(evt.mousePosition) && MxMPreviewScene.IsSceneLoaded)
                    {
                        Vector2 blendSpacePos = evt.mousePosition - (blendSpaceRect.position + (blendSpaceRect.size / 2f));
                        m_previewPos    = blendSpacePos * blendSpaceRatio;
                        m_previewPos.y *= -1f;

                        m_previewPos.x = Mathf.Clamp(m_previewPos.x, -1f, 1f);
                        m_previewPos.y = Mathf.Clamp(m_previewPos.y, -1f, 1f);

                        CalculateBlendWeights();
                        ApplyBlendWeights();


                        m_draggingPreview = true;
                    }

                    m_dragging = false;
                    m_selectId = -1;
                    evt.Use();
                }
                break;

                case EventType.MouseUp:
                {
                    if (m_dragging || m_draggingPreview)
                    {
                        m_draggingPreview = false;
                        m_dragging        = false;
                        m_cumulativeDrag  = Vector2.zero;
                        evt.Use();
                    }
                }
                break;

                case EventType.MouseDrag:
                {
                    if (m_dragging)
                    {
                        if (m_selectId >= 0 && m_selectId < m_spPositions.arraySize)
                        {
                            SerializedProperty spPosition = m_spPositions.GetArrayElementAtIndex(m_selectId);
                            Vector2            moveDelta  = evt.delta;
                            moveDelta.y *= -1f;

                            if (m_snapActive)
                            {
                                m_cumulativeDrag += moveDelta * blendSpaceRatio;

                                m_cumulativeDrag.x = Mathf.Clamp(m_cumulativeDrag.x, -1f, 1f);
                                m_cumulativeDrag.y = Mathf.Clamp(m_cumulativeDrag.y, -1f, 1f);

                                spPosition.vector2Value = m_cumulativeDrag;
                                SnapClip(m_selectId);
                            }
                            else
                            {
                                Vector2 newPos = spPosition.vector2Value + moveDelta * blendSpaceRatio;

                                newPos.x = Mathf.Clamp(newPos.x, -1f, 1f);
                                newPos.y = Mathf.Clamp(newPos.y, -1f, 1f);
                                spPosition.vector2Value = newPos;
                            }

                            if (m_previewActive && MxMPreviewScene.IsSceneLoaded)
                            {
                                CalculateBlendWeights();
                                ApplyBlendWeights();
                            }

                            evt.Use();
                        }
                        else
                        {
                            m_dragging = false;
                        }
                    }
                    else if (m_previewActive && m_draggingPreview && MxMPreviewScene.IsSceneLoaded)
                    {
                        Vector2 blendSpacePos = evt.mousePosition - (blendSpaceRect.position + (blendSpaceRect.size / 2f));
                        m_previewPos    = blendSpacePos * blendSpaceRatio;
                        m_previewPos.y *= -1f;

                        m_previewPos.x = Mathf.Clamp(m_previewPos.x, -1f, 1f);
                        m_previewPos.y = Mathf.Clamp(m_previewPos.y, -1f, 1f);

                        CalculateBlendWeights();
                        ApplyBlendWeights();

                        if (m_snapActive)
                        {
                            SnapPreview();
                        }

                        evt.Use();
                    }
                }
                break;

                case EventType.KeyDown:
                {
                    if (m_selectId >= 0 && m_selectId < m_spClips.arraySize)
                    {
                        if (evt.keyCode == KeyCode.Delete)
                        {
                            m_queueDeleteIndex = m_selectId;
                            MxMAnimConfigWindow.Inst().Repaint();
                            evt.Use();
                        }
                    }
                }
                break;
                }

                DragDropAnimations(blendSpaceRect);

                if (m_soData != null)
                {
                    m_soData.ApplyModifiedProperties();
                }
            }
            else
            {
                GUILayout.Space(18f);
                EditorGUILayout.BeginHorizontal();
                GUILayout.FlexibleSpace();
                EditorGUILayout.LabelField("No Blend Space Selected.", EditorStyles.boldLabel);
                GUILayout.FlexibleSpace();
                EditorGUILayout.EndHorizontal();
            }
        }
        private void DragDropAnimations(Rect a_dropRect, EAnimType a_type, int a_index)
        {
            Event evt = Event.current;

            switch (evt.type)
            {
            case EventType.DragUpdated:
            case EventType.DragPerform:
            {
                if (!a_dropRect.Contains(evt.mousePosition))
                {
                    return;
                }

                if (DragAndDrop.objectReferences[0].GetType() == typeof(AnimationClip))
                {
                    DragAndDrop.visualMode = DragAndDropVisualMode.Copy;

                    if (evt.type == EventType.DragPerform)
                    {
                        DragAndDrop.AcceptDrag();

                        UnityEngine.Object obj = DragAndDrop.objectReferences[0];

                        if (obj != null && obj.GetType() == typeof(AnimationClip))
                        {
                            switch (a_type)
                            {
                            case EAnimType.Current:
                            {
                                m_spPrimaryClip.objectReferenceValue = obj;

                                m_data.name = (obj as AnimationClip).name + "_comp";

                                if ((obj as AnimationClip).isLooping)
                                {
                                    m_spLooping.boolValue = true;
                                }

                                m_selectionType = EAnimType.Current;
                                m_selectionId   = 0;

                                m_data.GenerateRootLookupTable();
                            }
                            break;

                            case EAnimType.Future:
                            {
                                if (a_index == m_spAfterClips.arraySize)
                                {
                                    m_spAfterClips.InsertArrayElementAtIndex(a_index);
                                }

                                m_spAfterClips.GetArrayElementAtIndex(a_index).objectReferenceValue = obj;

                                m_selectionType = EAnimType.Future;
                                m_selectionId   = a_index;
                            }
                            break;

                            case EAnimType.Past:
                            {
                                if (a_index == m_spBeforeClips.arraySize)
                                {
                                    m_spBeforeClips.InsertArrayElementAtIndex(a_index);
                                }

                                m_spBeforeClips.GetArrayElementAtIndex(a_index).objectReferenceValue = obj;

                                m_selectionType = EAnimType.Past;
                                m_selectionId   = a_index;
                            }
                            break;
                            }
                            MxMAnimConfigWindow.Inst().Repaint();
                        }
                    }
                }
            }
            break;
            }
        }
        private void ManageSlot(Rect a_rect, AnimationClip a_clip, string a_defaultName,
                                EAnimType a_animType = EAnimType.Current, int a_index = 0)
        {
            if (a_clip != null)
            {
                Texture2D assetPreview = AssetPreview.GetAssetPreview(a_clip);

                if (assetPreview != null)
                {
                    GUI.DrawTexture(a_rect, assetPreview);
                }

                GUI.Box(a_rect, "\n" + a_clip.name);

                if (m_selectionType == a_animType && a_index == m_selectionId)
                {
                    Handles.color = Color.green;
                }
                else
                {
                    Handles.color = Color.cyan;
                }

                Texture icon       = EditorGUIUtility.IconContent("d_P4_DeletedLocal").image;
                Rect    deleteRect = new Rect(a_rect.x + a_rect.width - 20f, a_rect.y + a_rect.height - 20f, 18f, 18f);

                GUIStyle invisiButton = new GUIStyle(GUI.skin.label);

                if (GUI.Button(deleteRect, icon, invisiButton))
                {
                    if (EditorUtility.DisplayDialog("Delete Clip", "Are you sure you want to delete this clip from the composite?", "Yes", "Cancel"))
                    {
                        if (a_animType == EAnimType.Current)
                        {
                            m_spPrimaryClip.objectReferenceValue = null;
                        }
                        else if (a_animType == EAnimType.Future)
                        {
                            if (a_index < m_spAfterClips.arraySize)
                            {
                                if (m_spAfterClips.GetArrayElementAtIndex(a_index).objectReferenceValue != null)
                                {
                                    m_spAfterClips.DeleteArrayElementAtIndex(a_index);
                                }

                                m_spAfterClips.DeleteArrayElementAtIndex(a_index);
                            }
                        }
                        else if (a_animType == EAnimType.Past)
                        {
                            if (a_index < m_spBeforeClips.arraySize)
                            {
                                if (m_spBeforeClips.GetArrayElementAtIndex(a_index).objectReferenceValue != null)
                                {
                                    m_spBeforeClips.DeleteArrayElementAtIndex(a_index);
                                }

                                m_spBeforeClips.DeleteArrayElementAtIndex(a_index);
                            }
                        }
                    }
                }

                if (CheckHover(a_rect))
                {
                    ManageSelection(a_animType, a_index);
                    Handles.color = Color.yellow;

                    MxMAnimConfigWindow.Inst().Repaint();
                }
            }
            else
            {
                GUI.Box(a_rect, a_defaultName);
                Handles.color = Color.red;
            }


            //Draw highlight box
            Handles.DrawLine(new Vector3(a_rect.xMin, a_rect.yMin), new Vector3(a_rect.xMax, a_rect.yMin));
            Handles.DrawLine(new Vector3(a_rect.xMax, a_rect.yMin), new Vector3(a_rect.xMax, a_rect.yMax));
            Handles.DrawLine(new Vector3(a_rect.xMax, a_rect.yMax), new Vector3(a_rect.xMin, a_rect.yMax));
            Handles.DrawLine(new Vector3(a_rect.xMin, a_rect.yMax), new Vector3(a_rect.xMin, a_rect.yMin));


            DragDropAnimations(a_rect, a_animType, a_index);
        }
        public void OnGUI(Rect a_position)
        {
            if (m_data == null)
            {
                MxMSettings settings = MxMSettings.Instance();
                if (settings != null)
                {
                    m_data = settings.ActiveComposite;

                    if (m_data != null)
                    {
                        SetData(m_data);
                    }
                }
            }

            if (m_data != null)
            {
                Rect  viewRect      = new Rect(0f, 18f, a_position.width, a_position.height - 36f);
                float requiredWidth = (m_data.AnimAfterClips.Count + m_data.AnimBeforeClips.Count + 2) * (s_animSlotSizeSmall + s_animSlotSpacing) + (s_animSlotSize + s_animSlotSpacing);

                if (requiredWidth > a_position.width)
                {
                    Rect scrollRect = new Rect((a_position.width - requiredWidth) / 2f, 18f, Mathf.Max(requiredWidth, a_position.width), a_position.height - 36f);
                    m_scrollPosition = GUI.BeginScrollView(viewRect, m_scrollPosition, scrollRect);
                }

                Rect baseAnimRect = new Rect(a_position.width / 2f - s_animSlotSize / 2f,
                                             a_position.height / 2f - s_animSlotSize / 2f,
                                             s_animSlotSize, s_animSlotSize);

                ManageSlot(baseAnimRect, m_data.PrimaryClip, "\n\n\nPrimary Anim");

                if (m_data.BeforeClips == null)
                {
                    m_data.BeforeClips = new List <AnimationClip>();
                }

                if (m_data.AfterClips == null)
                {
                    m_data.AfterClips = new List <AnimationClip>();
                }

                if (m_data.PrimaryClip != null)
                {
                    if (!m_spLooping.boolValue)
                    {
                        Rect slotRect = new Rect(a_position.width / 2f + s_animSlotSize / 2f + s_animSlotSpacing,
                                                 a_position.height / 2f - s_animSlotSizeSmall / 2f,
                                                 s_animSlotSizeSmall, s_animSlotSizeSmall);

                        for (int i = 0; i < m_data.AfterClips.Count + 1; ++i)
                        {
                            ManageSlot(slotRect, i < m_data.AfterClips.Count ? m_data.AfterClips[i] : null,
                                       "\n\nAfter\nAnim", EAnimType.Future, i);

                            slotRect.x += s_animSlotSizeSmall + s_animSlotSpacing;
                        }

                        slotRect = new Rect(a_position.width / 2f - s_animSlotSize / 2f - s_animSlotSpacing - s_animSlotSizeSmall,
                                            a_position.height / 2f - s_animSlotSizeSmall / 2f,
                                            s_animSlotSizeSmall, s_animSlotSizeSmall);

                        for (int i = 0; i < m_data.BeforeClips.Count + 1; ++i)
                        {
                            ManageSlot(slotRect, i < m_data.BeforeClips.Count ? m_data.BeforeClips[i] : null,
                                       "\n\nBefore\nAnim", EAnimType.Past, i);

                            slotRect.x -= s_animSlotSizeSmall + s_animSlotSpacing;
                        }
                    }

                    Rect settingsRect = new Rect(baseAnimRect.x - s_animSlotSpacing / 2f,
                                                 baseAnimRect.y + baseAnimRect.height + 10f,
                                                 baseAnimRect.width + s_animSlotSpacing,
                                                 baseAnimRect.height * 2f);

                    DrawSettings(settingsRect);
                }

                Event evt = Event.current;

                if (evt.isKey && evt.keyCode == KeyCode.Delete)
                {
                    switch (evt.keyCode)
                    {
                    case KeyCode.Delete:
                    {
                        //Manage delete key
                        switch (m_selectionType)
                        {
                        case EAnimType.Current:
                        {
                            m_spPrimaryClip.objectReferenceValue = null;

                            m_data.ClearRootLookupTable();
                        }
                        break;

                        case EAnimType.Future:
                        {
                            if (m_selectionId < m_spAfterClips.arraySize)
                            {
                                if (m_spAfterClips.GetArrayElementAtIndex(m_selectionId) != null)
                                {
                                    m_spAfterClips.DeleteArrayElementAtIndex(m_selectionId);
                                }

                                m_spAfterClips.DeleteArrayElementAtIndex(m_selectionId);
                            }
                        }
                        break;

                        case EAnimType.Past:
                        {
                            if (m_selectionId < m_spBeforeClips.arraySize)
                            {
                                if (m_spBeforeClips.GetArrayElementAtIndex(m_selectionId) != null)
                                {
                                    m_spBeforeClips.DeleteArrayElementAtIndex(m_selectionId);
                                }

                                m_spBeforeClips.DeleteArrayElementAtIndex(m_selectionId);
                            }
                        }
                        break;
                        }
                    }
                    break;

                    case KeyCode.RightArrow:
                    {
                        NextComposite();
                    }
                    break;

                    case KeyCode.LeftArrow:
                    {
                        LastComposite();
                    }
                    break;
                    }



                    m_selectionType = EAnimType.None;
                    m_selectionId   = 0;

                    MxMAnimConfigWindow.Inst().Repaint();
                }
                if (requiredWidth > a_position.width)
                {
                    GUI.EndScrollView();
                }


                EditorGUILayout.BeginVertical();
                EditorGUILayout.BeginHorizontal(EditorStyles.toolbar, GUILayout.Height(20f), GUILayout.ExpandWidth(true));
                if (GUILayout.Button(new GUIContent("Open Timeline"), EditorStyles.toolbarButton))
                {
                    MxMTaggingWindow.ShowWindow();
                }

                if (GUILayout.Button(new GUIContent("Locate Asset"), EditorStyles.toolbarButton))
                {
                    if (m_spTargetPreProcessData.objectReferenceValue != null)
                    {
                        EditorGUIUtility.PingObject(m_spTargetPreProcessData.objectReferenceValue);
                    }

                    if (m_spTargetAnimModule.objectReferenceValue != null)
                    {
                        EditorGUIUtility.PingObject(m_spTargetAnimModule.objectReferenceValue);
                    }
                }

                GUILayout.FlexibleSpace();

                if (GUILayout.Button(EditorGUIUtility.IconContent("back").image, EditorStyles.toolbarButton))
                {
                    LastComposite();
                }

                if (GUILayout.Button(EditorGUIUtility.IconContent("forward").image, EditorStyles.toolbarButton))
                {
                    NextComposite();
                }

                GUILayout.Space(5f);

                if (GUILayout.Button(new GUIContent("Locate Animation"), EditorStyles.toolbarButton))
                {
                    switch (m_selectionType)
                    {
                    case EAnimType.None:
                    case EAnimType.Current:
                    {
                        if (m_spPrimaryClip.objectReferenceValue != null)
                        {
                            EditorGUIUtility.PingObject(m_spPrimaryClip.objectReferenceValue);
                        }
                    }
                    break;

                    case EAnimType.Future:
                    {
                        if (m_selectionId < m_spAfterClips.arraySize)
                        {
                            SerializedProperty spCLip = m_spAfterClips.GetArrayElementAtIndex(m_selectionId);

                            if (spCLip != null && spCLip.objectReferenceValue != null)
                            {
                                EditorGUIUtility.PingObject(spCLip.objectReferenceValue);
                            }
                        }
                    }
                    break;

                    case EAnimType.Past:
                    {
                        if (m_selectionId < m_spBeforeClips.arraySize)
                        {
                            SerializedProperty spCLip = m_spBeforeClips.GetArrayElementAtIndex(m_selectionId);

                            if (spCLip != null && spCLip.objectReferenceValue != null)
                            {
                                EditorGUIUtility.PingObject(spCLip.objectReferenceValue);
                            }
                        }
                    }
                    break;
                    }
                }

                EditorGUILayout.EndHorizontal();
                GUILayout.FlexibleSpace();

                EditorGUILayout.BeginHorizontal(EditorStyles.toolbar, GUILayout.Height(20f), GUILayout.ExpandWidth(true));
                EditorGUI.BeginDisabledGroup(true);
                if (m_spTargetPreProcessData.objectReferenceValue != null)
                {
                    EditorGUILayout.ObjectField(m_spTargetPreProcessData, GUILayout.Width(300f));
                }
                else
                {
                    EditorGUILayout.ObjectField(m_spTargetAnimModule, GUILayout.Width(300f));
                }

                GUILayout.FlexibleSpace();

                EditorGUILayout.ObjectField(m_spTargetPrefab, GUILayout.Width(300f));

                EditorGUI.EndDisabledGroup();

                EditorGUILayout.EndHorizontal();
                EditorGUILayout.EndVertical();


                if (m_soData != null)
                {
                    m_soData.ApplyModifiedProperties();
                }
            }
            else
            {
                GUILayout.Space(18f);
                EditorGUILayout.BeginHorizontal();
                GUILayout.FlexibleSpace();
                EditorGUILayout.LabelField("No Composite Selected.", EditorStyles.boldLabel);
                GUILayout.FlexibleSpace();
                EditorGUILayout.EndHorizontal();
            }
        }
        private void DragDropAnimations(Rect a_dropRect, EAnimType a_type, int a_index)
        {
            Event evt = Event.current;

            switch (evt.type)
            {
            case EventType.DragUpdated:
            case EventType.DragPerform:
            {
                if (!a_dropRect.Contains(evt.mousePosition))
                {
                    return;
                }

                if (DragAndDrop.objectReferences[0].GetType() == typeof(AnimationClip))
                {
                    DragAndDrop.visualMode = DragAndDropVisualMode.Copy;

                    if (evt.type == EventType.DragPerform)
                    {
                        DragAndDrop.AcceptDrag();

                        Object obj = DragAndDrop.objectReferences[0];

                        if (obj != null && obj.GetType() == typeof(AnimationClip))
                        {
                            switch (a_type)
                            {
                            case EAnimType.Primary:
                            {
                                m_spPrimaryClip.objectReferenceValue = obj;

                                m_data.name = (obj as AnimationClip).name + "_idleSet";

                                m_selectionType = EAnimType.Primary;
                                m_selectionId   = 0;
                            }
                            break;

                            case EAnimType.Secondary:
                            {
                                if (a_index == m_spSecondaryClips.arraySize)
                                {
                                    m_spSecondaryClips.InsertArrayElementAtIndex(a_index);
                                }

                                m_spSecondaryClips.GetArrayElementAtIndex(a_index).objectReferenceValue = obj;

                                m_selectionType = EAnimType.Secondary;
                                m_selectionId   = a_index;
                            }
                            break;

                            case EAnimType.Transition:
                            {
                                if (a_index == m_spTransitionClips.arraySize)
                                {
                                    m_spTransitionClips.InsertArrayElementAtIndex(a_index);
                                }

                                m_spTransitionClips.GetArrayElementAtIndex(a_index).objectReferenceValue = obj;

                                m_selectionType = EAnimType.Transition;
                                m_selectionId   = a_index;
                            }
                            break;
                            }
                            MxMAnimConfigWindow.Inst().Repaint();
                        }
                    }
                }
            } break;
            }
        }
        public void OnGUI(Rect a_position)
        {
            if (m_data == null)
            {
                MxMSettings settings = MxMSettings.Instance();
                if (settings != null)
                {
                    m_data = settings.ActiveIdleSet;

                    if (m_data != null)
                    {
                        SetData(m_data);
                    }
                }
            }

            if (m_data != null)
            {
                Rect  viewRect      = new Rect(0f, 0f, a_position.width, a_position.height);
                float requiredWidth = (Mathf.Max(m_data.TransitionClips.Count, m_data.SecondaryClips.Count) + 1) * (s_animSlotSizeSmall + s_animSlotSpacing);

                if (requiredWidth > a_position.width)
                {
                    Rect scrollRect = new Rect((a_position.width - requiredWidth) / 2f, 18f, Mathf.Max(requiredWidth, a_position.width), a_position.height - 18f);
                    m_scrollPosition = GUI.BeginScrollView(viewRect, m_scrollPosition, scrollRect);
                }

                Rect baseAnimRect = new Rect(a_position.width / 2f - s_animSlotSize / 2f,
                                             a_position.height / 2.5f - s_animSlotSize / 2f,
                                             s_animSlotSize, s_animSlotSize);

                ManageSlot(baseAnimRect, m_data.PrimaryClip, "\n\n\nPrimary Anim");

                if (m_data.SecondaryClips == null)
                {
                    m_data.SecondaryClips = new List <AnimationClip>();
                }

                if (m_data.PrimaryClip != null)
                {
                    Rect slotRect = new Rect(a_position.width / 2f - s_animSlotSizeSmall / 2f - (m_data.TransitionClips.Count
                                                                                                 * (s_animSlotSizeSmall + s_animSlotSpacing)) / 2f,
                                             baseAnimRect.y - s_animSlotSizeSmall - s_animSlotSpacing,
                                             s_animSlotSizeSmall, s_animSlotSizeSmall);


                    EditorGUILayout.BeginHorizontal();
                    GUILayout.Space(Mathf.Max(m_data.TransitionClips.Count, m_data.SecondaryClips.Count) * (s_animSlotSizeSmall + s_animSlotSpacing));
                    EditorGUILayout.EndHorizontal();


                    for (int i = 0; i < m_data.TransitionClips.Count + 1; ++i)
                    {
                        ManageSlot(slotRect, i < m_data.TransitionClips.Count ? m_data.TransitionClips[i] : null,
                                   "\n\nTransition\nAnim", EAnimType.Transition, i);

                        slotRect.x += s_animSlotSizeSmall + s_animSlotSpacing;
                    }


                    slotRect = new Rect(a_position.width / 2f - s_animSlotSizeSmall / 2f - (m_data.SecondaryClips.Count
                                                                                            * (s_animSlotSizeSmall + s_animSlotSpacing)) / 2f,
                                        baseAnimRect.y + s_animSlotSize + s_animSlotSpacing,
                                        s_animSlotSizeSmall, s_animSlotSizeSmall);

                    for (int i = 0; i < m_data.SecondaryClips.Count + 1; ++i)
                    {
                        ManageSlot(slotRect, i < m_data.SecondaryClips.Count ? m_data.SecondaryClips[i] : null,
                                   "\n\nSecondary\nAnim", EAnimType.Secondary, i);

                        slotRect.x += s_animSlotSizeSmall + s_animSlotSpacing;
                    }

                    Rect settingsRect = new Rect(baseAnimRect.x - s_animSlotSpacing / 2f,
                                                 baseAnimRect.y + baseAnimRect.height + s_animSlotSpacing * 2f + s_animSlotSizeSmall,
                                                 baseAnimRect.width + s_animSlotSpacing,
                                                 baseAnimRect.height * 2f);

                    DrawSettings(settingsRect);
                }


                Event evt = Event.current;

                if (evt.isKey && evt.keyCode == KeyCode.Delete)
                {
                    switch (m_selectionType)
                    {
                    case EAnimType.Primary:
                    {
                        m_spPrimaryClip.objectReferenceValue = null;
                    }
                    break;

                    case EAnimType.Secondary:
                    {
                        if (m_selectionId < m_spSecondaryClips.arraySize)
                        {
                            if (m_spSecondaryClips.GetArrayElementAtIndex(m_selectionId).objectReferenceValue != null)
                            {
                                m_spSecondaryClips.DeleteArrayElementAtIndex(m_selectionId);
                            }

                            m_spSecondaryClips.DeleteArrayElementAtIndex(m_selectionId);
                        }
                    }
                    break;

                    case EAnimType.Transition:
                    {
                        if (m_selectionId < m_spTransitionClips.arraySize)
                        {
                            if (m_spTransitionClips.GetArrayElementAtIndex(m_selectionId).objectReferenceValue != null)
                            {
                                m_spTransitionClips.DeleteArrayElementAtIndex(m_selectionId);
                            }

                            m_spTransitionClips.DeleteArrayElementAtIndex(m_selectionId);
                        }
                    }
                    break;
                    }

                    m_selectionType = EAnimType.None;
                    m_selectionId   = 0;

                    MxMAnimConfigWindow.Inst().Repaint();
                }

                if (requiredWidth > a_position.width)
                {
                    GUI.EndScrollView();
                }

                EditorGUILayout.BeginVertical();
                EditorGUILayout.BeginHorizontal(EditorStyles.toolbar, GUILayout.Height(20f), GUILayout.ExpandWidth(true));

                GUILayout.Space(3f);

                if (GUILayout.Button(new GUIContent("Locate Asset"), EditorStyles.toolbarButton))
                {
                    if (m_data != null)
                    {
                        EditorGUIUtility.PingObject(m_data);
                    }
                }

                GUILayout.Space(a_position.width - 190f);

                if (GUILayout.Button(new GUIContent("Locate Animation"), EditorStyles.toolbarButton))
                {
                    if (m_selectionId >= 0)
                    {
                        switch (m_selectionType)
                        {
                        case EAnimType.Primary:
                        {
                            if (m_spPrimaryClip.objectReferenceValue != null)
                            {
                                EditorGUIUtility.PingObject(m_spPrimaryClip.objectReferenceValue);
                            }
                        }
                        break;

                        case EAnimType.Secondary:
                        {
                            if (m_spSecondaryClips.arraySize > m_selectionId)
                            {
                                SerializedProperty spAnim = m_spSecondaryClips.GetArrayElementAtIndex(m_selectionId);

                                if (spAnim != null && spAnim.objectReferenceValue != null)
                                {
                                    EditorGUIUtility.PingObject(spAnim.objectReferenceValue);
                                }
                                else
                                {
                                    if (m_spPrimaryClip.objectReferenceValue != null)
                                    {
                                        EditorGUIUtility.PingObject(m_spPrimaryClip.objectReferenceValue);
                                    }
                                }
                            }
                        }
                        break;

                        case EAnimType.Transition:
                        {
                            if (m_spTransitionClips.arraySize > m_selectionId)
                            {
                                SerializedProperty spAnim = m_spTransitionClips.GetArrayElementAtIndex(m_selectionId);

                                if (spAnim != null && spAnim.objectReferenceValue != null)
                                {
                                    EditorGUIUtility.PingObject(spAnim.objectReferenceValue);
                                }
                                else
                                {
                                    if (m_spPrimaryClip.objectReferenceValue != null)
                                    {
                                        EditorGUIUtility.PingObject(m_spPrimaryClip.objectReferenceValue);
                                    }
                                }
                            }
                        }
                        break;
                        }
                    }
                    else
                    {
                        if (m_spPrimaryClip.objectReferenceValue != null)
                        {
                            EditorGUIUtility.PingObject(m_spPrimaryClip.objectReferenceValue);
                        }
                    }
                }


                if (m_soData != null)
                {
                    m_soData.ApplyModifiedProperties();
                }
            }
            else
            {
                GUILayout.Space(18f);
                EditorGUILayout.BeginHorizontal();
                GUILayout.FlexibleSpace();
                EditorGUILayout.LabelField("No Idle Set Selected.", EditorStyles.boldLabel);
                GUILayout.FlexibleSpace();
                EditorGUILayout.EndHorizontal();
            }
        }