SlicedCubeInspector.cs

using HopTiles.GamePlay;
using UnityEditor;
using UnityEngine;

namespace HopTiles.Editor
{
    [CustomEditor(typeof(SlicedCube))]
    public class SlicedCubeInspector : UnityEditor.Editor
    {
        SerializedProperty _borderSize;
        SerializedProperty _frontTop;
        SerializedProperty _frontBottom;
        SerializedProperty _frontLeft;
        SerializedProperty _frontRight;
        SerializedProperty _middleTopLeft;
        SerializedProperty _middleTopRight;
        SerializedProperty _middleBottomLeft;
        SerializedProperty _middleBottomRight;
        SerializedProperty _backTop;
        SerializedProperty _backBottom;
        SerializedProperty _backLeft;
        SerializedProperty _backRight;
        SerializedProperty _cornerFrontTopLeft;
        SerializedProperty _cornerFrontTopRight;
        SerializedProperty _cornerFrontBottomLeft;
        SerializedProperty _cornerFrontBottomRight;
        SerializedProperty _cornerBackTopLeft;
        SerializedProperty _cornerBackTopRight;
        SerializedProperty _cornerBackBottomLeft;
        SerializedProperty _cornerBackBottomRight;
        SlicedCube _target;
        SerializedProperty _glowColor;

        void OnEnable()
        {
            _target = target as SlicedCube;
            _glowColor = _target.EditorGetGlowColor(serializedObject);
            _borderSize = _target.EditorGetBorderSize(serializedObject);
            
            _frontTop = _target.EditorGetFrontTop(serializedObject);
            _frontBottom = _target.EditorGetFrontBottom(serializedObject);
            _frontLeft = _target.EditorGetFrontLeft(serializedObject);
            _frontRight = _target.EditorGetFrontRight(serializedObject);
            
            _middleTopLeft = _target.EditorGetMiddleTopLeft(serializedObject);
            _middleTopRight = _target.EditorGetMiddleTopRight(serializedObject);
            _middleBottomLeft = _target.EditorGetMiddleBottomLeft(serializedObject);
            _middleBottomRight = _target.EditorGetMiddleBottomRight(serializedObject);

            _backTop = _target.EditorGetBackTop(serializedObject);
            _backBottom = _target.EditorGetBackBottom(serializedObject);
            _backLeft = _target.EditorGetBackLeft(serializedObject);
            _backRight = _target.EditorGetBackRight(serializedObject);

            _cornerFrontTopLeft = _target.EditorGetCornerFrontTopLeft(serializedObject);
            _cornerFrontTopRight = _target.EditorGetCornerFrontTopRight(serializedObject);
            _cornerFrontBottomLeft = _target.EditorGetCornerFrontBottomLeft(serializedObject);
            _cornerFrontBottomRight = _target.EditorGetCornerFrontBottomRight(serializedObject);
            _cornerBackTopLeft = _target.EditorGetCornerBackTopLeft(serializedObject);
            _cornerBackTopRight = _target.EditorGetCornerBackTopRight(serializedObject);
            _cornerBackBottomLeft = _target.EditorGetCornerBackBottomLeft(serializedObject);
            _cornerBackBottomRight = _target.EditorGetCornerBackBottomRight(serializedObject);
        }

        public override void OnInspectorGUI()
        {
            using (var cc = new EditorGUI.ChangeCheckScope())
            {
                EditorGUILayout.PropertyField(_borderSize);
                EditorGUILayout.PropertyField(_glowColor);
                
                if (_frontTop.objectReferenceValue == null && GUILayout.Button("Create"))
                {
                    CreateBorder();         
                }

                using (new EditorGUI.DisabledScope(true))
                {
                    RenderSideRef(_frontTop);    
                    RenderSideRef(_frontBottom);    
                    RenderSideRef(_frontLeft);    
                    RenderSideRef(_frontRight);    
                    
                    RenderSideRef(_middleTopLeft);    
                    RenderSideRef(_middleTopRight);    
                    RenderSideRef(_middleBottomLeft);    
                    RenderSideRef(_middleBottomRight);    
                    
                    RenderSideRef(_backTop);    
                    RenderSideRef(_backBottom);    
                    RenderSideRef(_backLeft);    
                    RenderSideRef(_backRight);    
                    
                    RenderSideRef(_cornerFrontTopLeft);    
                    RenderSideRef(_cornerFrontTopRight);    
                    RenderSideRef(_cornerFrontBottomLeft);    
                    RenderSideRef(_cornerFrontBottomRight);    
                    RenderSideRef(_cornerBackTopLeft);    
                    RenderSideRef(_cornerBackTopRight);    
                    RenderSideRef(_cornerBackBottomLeft);    
                    RenderSideRef(_cornerBackBottomRight);    
                }
                
                if (cc.changed)
                {
                    serializedObject.ApplyModifiedProperties();
                    _target.SetSize(1, 1, 1);
                }
            }
        }

        void CreateAndAssignCube(SerializedProperty sp)
        {
            var cube = GameObject.CreatePrimitive(PrimitiveType.Cube);
            cube.name = sp.name;
            cube.transform.localScale = Vector3.one * _borderSize.floatValue;
            cube.transform.SetParent(_target.transform);
            sp.objectReferenceValue = cube.transform;
        }

        void CreateBorder()
        {
            CreateAndAssignCube(_frontTop);
            CreateAndAssignCube(_frontBottom);
            CreateAndAssignCube(_frontLeft);
            CreateAndAssignCube(_frontRight);
            
            CreateAndAssignCube(_middleTopLeft);
            CreateAndAssignCube(_middleTopRight);
            CreateAndAssignCube(_middleBottomLeft);
            CreateAndAssignCube(_middleBottomRight);
            
            CreateAndAssignCube(_backTop);
            CreateAndAssignCube(_backBottom);
            CreateAndAssignCube(_backLeft);
            CreateAndAssignCube(_backRight);
            
            CreateAndAssignCube(_cornerFrontTopLeft);
            CreateAndAssignCube(_cornerFrontTopRight);
            CreateAndAssignCube(_cornerFrontBottomLeft);
            CreateAndAssignCube(_cornerFrontBottomRight);
            CreateAndAssignCube(_cornerBackTopLeft);
            CreateAndAssignCube(_cornerBackTopRight);
            CreateAndAssignCube(_cornerBackBottomLeft);
            CreateAndAssignCube(_cornerBackBottomRight);
        }

        void RenderSideRef(SerializedProperty sp)
        {
            if (sp.objectReferenceValue == null)
            {
                return;
            }

            EditorGUILayout.PropertyField(sp);
        }
    }
}