개발자의 삶

https://github.com/wlgys8/Sprites-Outline

완전 탐색을 하여 2중 for문을 돌린다

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

public class MatchTest : MonoBehaviour
{
    private static readonly int Rows = 4;
    private static readonly int Cols = 4;
    
    private int[,] board =
    {
        {1, 1, 2, 0},
        {1, 1, 1, 1},
        {2, 1, 0, 1},
        {0, 0, 1, 1}
    };
    void Start()
    {
        FindMatchingBlocks();
    }
    
    private void FindMatchingBlocks()
    {
        HashSet<(int, int)> matchedBlocks = new HashSet<(int, int)>();

        for (int i = 0; i < Rows; i++)
        {
            for (int j = 0; j < Cols; j++)
            {
                CheckHorizontalMatch(i, j, matchedBlocks);
                CheckVerticalMatch(i, j, matchedBlocks);
            }
        }

        Debug.Log("Matching Blocks:");
        foreach (var block in matchedBlocks)
        {
            Debug.Log($"({block.Item1}, {block.Item2})");
        }
    }

    private void CheckHorizontalMatch(int row, int col, HashSet<(int, int)> matchedBlocks)
    {
        if (col + 2 < Cols &&
            board[row, col] == board[row, col + 1] &&
            board[row, col] == board[row, col + 2])
        {
            matchedBlocks.Add((row, col));
            matchedBlocks.Add((row, col + 1));
            matchedBlocks.Add((row, col + 2));
        }
    }

    private void CheckVerticalMatch(int row, int col, HashSet<(int, int)> matchedBlocks)
    {
        if (row + 2 < Rows &&
            board[row, col] == board[row + 1, col] &&
            board[row, col] == board[row + 2, col])
        {
            matchedBlocks.Add((row, col));
            matchedBlocks.Add((row + 1, col));
            matchedBlocks.Add((row + 2, col));
        }
    }
}

using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using UnityEngine;
using UnityEngine.U2D;
using Random = UnityEngine.Random;

public class Test : MonoBehaviour
{
    public Board board;
    private void Start()
    {
        board.CreateBoard();
    }

    private void Update()
    {
        if (Input.GetMouseButtonDown(0))
        {
            Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
            Debug.DrawRay(ray.origin, ray.direction * 100f, Color.red, 1);
            RaycastHit2D raycastHit2D = Physics2D.Raycast(ray.origin, ray.direction);
            if (raycastHit2D.collider != null)
            {
                Block block = raycastHit2D.collider.GetComponent<Block>();
                Debug.Log($"[{block.row}, {block.col}] ({block.transform.position.x}, {block.transform.position.y}), {block.blockType}");
            }
        }
    }
}

using System.Collections;
using System.Collections.Generic;
using TMPro;
using UnityEngine;

public class Block : MonoBehaviour
{
    public enum BlockType
    {
        Rabbit, Pig, Rat, Monkey, Cat, Chick, Puppy
    }

    public BlockType blockType;
    public SpriteRenderer spriteRenderer;
    public TMP_Text debugText;
    public int row;
    public int col;

    public void Init(BlockType blockType)
    {
        this.blockType = blockType;
        //이미지 변경 
        ChangeSprite(blockType);
    }

    public void ChangeSprite(BlockType blockType)
    {
        Sprite sp =
            AtlasManager.instance.blockAtlas.GetSprite(blockType.ToString());
        spriteRenderer.sprite = sp;
    }

    public void SetPosition(Vector2 pos)
    {
        transform.position = pos;
        var index = Position2Index(pos);
        row = index.row;
        col = index.col;
        debugText.text = $"[{index.row},{index.col}]";
    }

    public static (int row, int col) Position2Index(Vector2 pos)
    {
        return ((int)pos.y, (int)pos.x);
    }

    public static (int x, int y) Index2Position(Vector2 index)
    {
        return ((int)index.x, (int)index.y);
    }
}

    using System.Collections;
    using System.Collections.Generic;
    using UnityEditor;
    using UnityEngine;

    [CustomEditor(typeof(Block))]
    public class BlockEditor : Editor
    {
        public override void OnInspectorGUI()
        {
            base.OnInspectorGUI();

            Block block = target as Block;
            if (GUILayout.Button("제거"))
            {
                Debug.Log($"[{block.row},{block.col}]을 제거 합니다.");

                Board.instance.RemoveBlock(block.row, block.col);
            }
        }
    }

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using UnityEngine;
using Random = UnityEngine.Random;

public class Board : MonoBehaviour
{
    public static Board instance;   //싱글톤
    private Block[,] board;  //2차원 배열이 Block들을 관리
    public GameObject blockPrefab;

    public int totalHeight = 14;
    public int height = 7;
    public int width = 7;

    private void Awake()
    {
        instance = this;
    }

    public void CreateBoard()
    {
        //크기가 7개인 Block타입의 2차원 배열을 만들기
        board = new Block[totalHeight, width];

        for (int i = 0; i < height; i++)    //행
        {
            for (int j = 0; j < width; j++)    //열 
            {
                CreateBlock(i, j);
            }
        }
        PrintBoard();
    }

    public void CreateBlock(int row, int col)
    {
        Vector2 pos = new Vector2(col, row);
        Block.BlockType blockType = (Block.BlockType)Random.Range(0, 7); //0 ~ 6  
        GameObject blockGo = Instantiate(blockPrefab, this.transform);
        Block block = blockGo.GetComponent<Block>();
        block.Init(blockType);
        block.SetPosition(pos);

        //배열의 요소에 블록 넣기 
        board[row, col] = block;
    }

    public void RemoveBlock(int row, int col)
    {
        Block block = board[row, col];
        Destroy(block.gameObject);  //게임오브젝트 파괴 

        //배열의 요소를 비워줌 
        board[row, col] = null;
    }

    public void PrintBoard()
    {
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < height; i++)    //행
        {
            for (int j = 0; j < width; j++)    //열
            {
                Block block = board[i, j];
                string strElement = (block == null) ? "null" : block.blockType.ToString();
                // 각 엘리먼트를 고정된 너비로 출력
                sb.AppendFormat("[{0},{1}] = {2,-10}", i, j, strElement);
            }
            sb.AppendLine();
        }
        Debug.Log(sb.ToString());
    }

    private int[] arrEmptySpaceCol; //빈공간이 있는 컬럼 배열 

    public void FindEmptySpaceFromColumn()
    {
        arrEmptySpaceCol = new int[width]; //배열 초기화
                                           //0 : 행, 1: 열 
        for (int i = 0; i < width; i++)    //열 
        {
            int existBlockCnt = 0;

            for (int j = 0; j < totalHeight; j++)    //행 
            {
                Block block = board[j, i];
                if (block != null) existBlockCnt++;
            }

            int emptySpace = height - existBlockCnt;
            arrEmptySpaceCol[i] = emptySpace;
            Debug.Log($"{i} 열의 빈공간은 {emptySpace}개 입니다.");
        }
    }

    public void CreateNewBlocks()
    {
        // arrEmptySpaceCol가 null이거나 모든 요소가 0이면 빈공간이 없음
        if (arrEmptySpaceCol == null || arrEmptySpaceCol.All(x => x == 0))
        {
            Debug.Log("빈공간이 없습니다.");
        }
        else
        {
            for (int i = 0; i < arrEmptySpaceCol.Length; i++)
            {
                int cnt = arrEmptySpaceCol[i];  //i(col)에 몇개 빈공간이 있는가?
                if (cnt > 0)
                {
                    Debug.Log($"{i}열에 {cnt}만큼 블록 생성 필요");
                    CreateBlockFromColumn(i, cnt);
                }
            }
        }

        arrEmptySpaceCol = null;
    }

    private void CreateBlockFromColumn(int col, int cnt)
    {
        int startRow = height;  //행 

        for (int i = 0; i < cnt; i++)
        {
            //[7, col] -> [8, col] -> [9,col]
            CreateBlock(startRow, col);
            startRow++;
        }
    }
}

using System.Collections;
using System.Collections.Generic;
using UnityEditor;
using UnityEngine;

[CustomEditor(typeof(Board))]
public class BoardEditor : Editor
{
    private int currentColIdx = 0;

    public override void OnInspectorGUI()
    {
        base.OnInspectorGUI();

        Board board = target as Board;

        if (GUILayout.Button("배열 요소 출력"))
        {
            board.PrintBoard(); ;
        }

        GUILayout.Space(5);

        if (GUILayout.Button("각 열에 빈공간 찾기"))
        {
            board.FindEmptySpaceFromColumn();
        }

        GUILayout.Space(5);

        if (GUILayout.Button("새로운 블록들 생성하기"))
        {
            board.CreateNewBlocks();
        }

        GUILayout.Space(5);
        if (GUILayout.Button($"현재 행({currentColIdx})에 있는 모든 블록 내려보내기"))
        {
            Debug.Log($"{currentColIdx}행에 있는 모든 블록 내려 보냅니다.");
            currentColIdx++;
            if (currentColIdx > 6)
            {
                currentColIdx = 0;
            }
        }
        GUILayout.Space(5);

        if (GUILayout.Button("리셋 행"))
        {
            currentColIdx = 0;
        }
    }
}