using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;

namespace game
{
    public class StuffAssembling : LongPressStuffBase
    {
        [Tooltip("空置时所需材质球")]
        public Material m_UnoccupiedMaterial;

        #region 材质球处理相关

        private List<List<Material>> m_BackupMaterials = new List<List<Material>>();
        public void SwitchUnoccupiedMaterial()
        {
            if (m_UnoccupiedMaterial == null || m_Renderers == null) return;

            int count = m_Renderers.Length;
            for (int i = 0; i < count; i++)
            {
                var renderer = m_Renderers[i];
                var materials = renderer.sharedMaterials.ToList();

                // 备份原始材质球
                List<Material> list = new List<Material>();
                int tmpCount = materials.Count;
                for (int j = 0; j < tmpCount; j++)
                {
                    list.Add(materials[j]);
                }
                m_BackupMaterials.Add(list);

                // 清空材质球
                materials.Clear();
                // 替换空置材质球
                materials.Add(m_UnoccupiedMaterial);

                renderer.materials = materials.ToArray();
            }
        }

        public void RestoreMaterial()
        {
            if (m_Renderers == null) return;

            int count = m_Renderers.Length;
            for (int i = 0; i < count; i++)
            {
                var renderer = m_Renderers[i];
                var materials = renderer.sharedMaterials.ToList();

                // 清空材质球
                materials.Clear();

                var list = m_BackupMaterials[i];
                int tmpCount = list.Count;
                // 换回备份材质球
                for(int j = 0;j < tmpCount; j++)
                {
                    materials.Add((Material)list[j]);
                }
                renderer.materials = materials.ToArray();
            }
        }
        #endregion

        #region 生命周期
        public override void InitStuff()
        {
            base.InitStuff();
            m_Type = EventWashingStuffType.Assembling;

            SwitchUnoccupiedMaterial();
        }
        #endregion
    }
}