일단 급한대로 Room 추가합니다.

Assets/Prefabs/TetrisMap/TetrominoSpawner.prefab

@@ -21,7 +21,7 @@ GameObject:
   - component: {fileID: 4174769992511172}
   - component: {fileID: 114708550263071082}
   m_Layer: 0
-  m_Name: TetriminoSpawner
+  m_Name: TetrominoSpawner
   m_TagString: Untagged
   m_Icon: {fileID: 0}
   m_NavMeshLayer: 0

Assets/Scripts/TetrisMap/Room.cs

@@ -2,15 +2,60 @@
 using System.Collections.Generic;
 using UnityEngine;
 
-public class Room : MonoBehaviour {
-
-	// Use this for initialization
-	void Start () {
-		
-	}
-	
-	// Update is called once per frame
-	void Update () {
-		
-	}
+/// <summary>
+/// Room class
+/// </summary>
+public class Room : MonoBehaviour
+{
+
+    /// <summary>
+    /// Room's Location on tetris map.
+    /// Not related to real location.
+    /// </summary>
+    public Vector3 mapLocation;
+
+    /// <summary>
+    /// Door info per rooms.
+    /// 0 for up, 1 for down.
+    /// doorInfo[0] for left door, doorInfo[1] for right door.
+    /// </summary>
+    public int[] doorInfo;
+
+    /// <summary>
+    /// Stage per rooms.
+    /// Range from 0 to 4.
+    /// </summary>
+    public int stage;
+
+    /// <summary>
+    /// Room concept per rooms.
+    /// Range from 0 to 3.
+    /// </summary>
+    public int roomConcept;
+
+    /// <summary>
+    /// Item room type per rooms.
+    /// 0 for normal room, 1~ for item rooms.
+    /// </summary>
+    public int itemRoomType;
+
+    /// <summary>
+    /// Special room type per rooms.
+    /// 0 for normal room, 1 for boss room, 2, 3, 4 for both side, gold shop, amethyst shop.
+    /// </summary>
+    public int specialRoomType;
+
+    /// <summary>
+    /// Select which doors would be opened.
+    /// </summary>
+    public void SetDoors()
+    {
+
+    }
+
+    void Awake()
+    {
+        doorInfo = new int[2] { 0, 0 };
+    }
+
 }

Assets/Sprites.meta

 fileFormatVersion: 2
-guid: 77fd020ad10265b4482c930adcb72e12
+guid: 8c27ef23185b0fd4da5cda273d244e24
 folderAsset: yes
 DefaultImporter:
   externalObjects: {}