[프로토타입] 건물생성 시 주변가까운 캐릭터 데려오기

TestNearCharacter.unitypackage

추가할 것 : 이동방향 바라보기, 이미 건물로 갔던 캐릭터의 경로 재설정

using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
using UnityEngine.UI;
 
public class TestCreatedBuilding : MonoBehaviour
{
    public int colCount, rowCount;
    public Vector2[] chracterPos;
    public Button buildingBtn;
    public Button chracterMoveBtn;
 
    private int tileWidth = 64;
    private int tileHeight = 32;
    private int col = 0; //행
    private int row = 0; //열
 
    private Coroutine routine;
 
    private GameObject mapTile;
    private GameObject motherNode;
    private GameObject targetNode;
    private GameObject selectedTile;
    private GameObject selectedBuilding;
    private GameObject nearCharacter;
 
    private Dictionary<Vector2, GameObject> dicFIndTile = new Dictionary<Vector2, GameObject>();
 
    private List<GameObject> openList = new List<GameObject>();
    private List<GameObject> closeList = new List<GameObject>();
    private List<GameObject> characterList = new List<GameObject>();
    private List<GameObject> buildingList = new List<GameObject>();
 
    private void Start()
    {
        this.CreateCharacter();
        this.CreateMap();
 
        this.buildingBtn.onClick.AddListener(() =>
        {
            Createbuilding();
           
        });
 
        this.chracterMoveBtn.onClick.AddListener(() => {
 
            this.FIndNextPos();
        });
    }
 
    private void FIndNextPos()
    {
        if (this.routine != null)
        {
            StopCoroutine(this.routine);
        }
        this.routine = StartCoroutine(this.FindNextPosImpl());
    }
 
    private IEnumerator FindNextPosImpl()
    {
        while (true)
        {
            var dir = (this.motherNode.transform.position - this.nearCharacter.transform.position).normalized;
            var nextNode = Vector2.Distance(this.nearCharacter.transform.position, this.motherNode.transform.position);
            var distance = Vector2.Distance(this.nearCharacter.transform.position, this.targetNode.transform.position);
            
            this.nearCharacter.transform.position += dir * 2f * Time.deltaTime;
            
            if (nextNode <= 0.05f)
            {
                if (distance <= 0.02f)
                {
                    Debug.Log("도착");
                    this.ClearMap();
                    break;
                }
 
                this.FindNode();
                Debug.Log("다음");
            }
            yield return null;
        }
    }
    
    private void FindNode()
    {
        var nearCharacterPos = this.motherNode.GetComponent<TestTile>().vec2;
        var nearCharacterX = nearCharacterPos.x - 1;
        var nearCharacterY = nearCharacterPos.y - 1;
        var maxX = nearCharacterPos.x + 1;
        var maxY = nearCharacterPos.y + 1;
 
        if (nearCharacterX < 0)
        {
            nearCharacterX = 0;
        }
        if (nearCharacterY < 0)
        {
            nearCharacterY = 0;
        }
 
        for (int x = (int)nearCharacterX; x <= maxX; x++)
        {
            for (int y = (int)nearCharacterY; y <= maxY; y++)
            {
                if (x < this.colCount && y < this.rowCount)
                {
                    var data = new Vector2(x, y);
 
                    var tile = this.dicFIndTile[data];
 
                    if (!this.closeList.Contains(tile))
                    {
                        if (data.x == nearCharacterX && data.y == nearCharacterPos.y || data.y == nearCharacterPos.y)
                        {
                            this.openList.Add(tile);
                        }
                        if (data.y == nearCharacterY && data.x == nearCharacterPos.x || data.x == nearCharacterPos.x)
                        {
                            this.openList.Add(tile);
                        }
 
                        this.openList.Remove(motherNode);
                        
                        this.SetFGH();
                    }
                }
            }
        }
        
 
        foreach (var datas in openList)
        {
            datas.GetComponent<SpriteRenderer>().color = Color.grey;
        }
        this.closeList.Add(motherNode);
        this.NextNode();
    }
 
    private void SetFGH()
    {
        foreach (var tile in this.openList)
        {
            var tileScript = tile.GetComponent<TestTile>();
 
            var getG = tile.GetComponent<TestTile>().g;
            var getH = tile.GetComponent<TestTile>().h;
            getG = Mathf.Round(Vector2.Distance(tile.GetComponent<TestTile>().vec2, this.motherNode.GetComponent<TestTile>().vec2) * 10);
            var dx = Mathf.Abs(tile.GetComponent<TestTile>().vec2.x - this.targetNode.GetComponent<TestTile>().vec2.x);
            var dy = Mathf.Abs(tile.GetComponent<TestTile>().vec2.y - this.targetNode.GetComponent<TestTile>().vec2.y);
 
            getH = (dx + dy) * 10;
 
            tile.GetComponent<TestTile>().f = getG + getH;
 
            tileScript.G.text = getG.ToString();
            tileScript.H.text = getH.ToString();
            tileScript.F.text = tile.GetComponent<TestTile>().f.ToString();
        }
    }
 
    private void NextNode()
    {
        this.motherNode.GetComponent<SpriteRenderer>().color = Color.blue;
 
        if (this.targetNode != this.motherNode)
        {
            IEnumerable<GameObject> sortNode = this.openList.OrderBy(x => x.GetComponent<TestTile>().f);
            this.selectedTile = sortNode.FirstOrDefault<GameObject>();
 
            this.motherNode = this.selectedTile;
        }
    }
 
    private void ClearMap()
    {
        Debug.Log("타일초기화");
 
        for (int i = 0; i < colCount; i++)
        {
            for (int j = 0; j < rowCount; j++)
            {
                var tiles = new Vector2(j, i);
 
                var tile = dicFIndTile[tiles];
 
                tile.GetComponent<SpriteRenderer>().color = Color.white;
            }
        }
 
        this.openList.Clear();
        this.closeList.Clear();
        this.targetNode = null;
        this.selectedTile = null;
    }
 
    #region 마우스 클릭 시 빌딩생성
    public void Createbuilding()
    {
        if (routine != null)
        {
            StopCoroutine(this.routine);
        }
        this.routine = StartCoroutine(this.CreatebuildingImpl());
    }
 
    private IEnumerator CreatebuildingImpl()
    {
        var building = Instantiate(Resources.Load<GameObject>("Prefabs/isoTile"));
 
        while (true)
        {
            Vector2 ray = Camera.main.ScreenToWorldPoint(Input.mousePosition);
            RaycastHit2D hit = Physics2D.Raycast(ray, Vector2.zero);
            building.transform.position = ray;
 
            if (Input.GetMouseButtonDown(0))
            {
                if (hit.collider != null)
                {
                    this.selectedBuilding = hit.collider.gameObject;
                    this.targetNode = hit.collider.gameObject;
 
                    hit.collider.gameObject.GetComponent<TestTile>().isBlock = true;
 
                    this.FindNearCharacterNode();
 
                    building.transform.position = hit.collider.gameObject.transform.position;
                    break;
                }
            }
            yield return null;
        }
    }
    #endregion
 
    #region 주변캐릭터 탐색
    private void FindNearCharacterNode()
    {
        foreach (var characters in this.characterList)
        {
            var character = characters.GetComponent<TestCharacter>().vec2;
            var characterX = character.x - 1;
            var characterY = character.y - 1;
            var maxX = character.x + 1;
            var maxY = character.y + 1;
            
            if (characterX < 0)
            {
                characterX = 0;
            }
            if (characterY < 0)
            {
                characterY = 0;
            }
 
            for (int x = (int)characterX; x <= maxX; x++)
            {
                for (int y = (int)characterY; y <= maxY; y++)
                {
                    if (x < this.colCount && y < this.rowCount)
                    {
                        var data = new Vector2(x, y);
 
                        var nearNode = this.dicFIndTile[data];
                        
                        var getG = characters.GetComponent<TestCharacter>().g;
                        var getH = characters.GetComponent<TestCharacter>().h;
 
                        //다음 타일까지의 이동비용
                        getG = Mathf.Round(Vector2.Distance(characters.GetComponent<TestCharacter>().vec2, nearNode.GetComponent<TestTile>().vec2) * 10);
                        
                        //최종목적지점까지의 예상이동비용
                        var dx = Mathf.Abs(characters.GetComponent<TestCharacter>().vec2.x - this.selectedBuilding.GetComponent<TestTile>().vec2.x);
                        var dy = Mathf.Abs(characters.GetComponent<TestCharacter>().vec2.y - this.selectedBuilding.GetComponent<TestTile>().vec2.y);
                        getH = (dx + dy) * 10;
 
                        characters.GetComponent<TestCharacter>().f = getG + getH;
                    }
                }
            }
        }
        
        //F값이 제일 적은 캐릭터
        var sortCharacterF = this.characterList.OrderBy(x => x.GetComponent<TestCharacter>().f);
        this.nearCharacter = sortCharacterF.FirstOrDefault<GameObject>();
 
        //캐릭터의 키값으로 타일 찾고 마더로
        this.motherNode = this.dicFIndTile[nearCharacter.GetComponent<TestCharacter>().vec2];
    }
    #endregion
    
    #region FGH 활성화 비활성화
    private void SetActiveFGH(GameObject tile)
    {
        if (!this.openList.Contains(tile))
        {
            tile.GetComponent<TestTile>().G.gameObject.SetActive(false);
            tile.GetComponent<TestTile>().F.gameObject.SetActive(false);
            tile.GetComponent<TestTile>().H.gameObject.SetActive(false);
        }
        else
        {
            tile.GetComponent<TestTile>().G.gameObject.SetActive(true);
            tile.GetComponent<TestTile>().F.gameObject.SetActive(true);
            tile.GetComponent<TestTile>().H.gameObject.SetActive(true);
        }
    }
    #endregion
 
    #region 맵, 타일, 캐릭터 생성
    //캐릭터 생성입력
    private void CreateCharacter()
    {
        var character = Instantiate(Resources.Load<GameObject>("Prefabs/hero"));
        var character1 = Instantiate(Resources.Load<GameObject>("Prefabs/hero"));
        var character2 = Instantiate(Resources.Load<GameObject>("Prefabs/hero"));
        var character3 = Instantiate(Resources.Load<GameObject>("Prefabs/hero"));
 
        this.CreatedCharacter(character, this.chracterPos[0].x, this.chracterPos[0].y);
        this.CreatedCharacter(character1, this.chracterPos[1].x, this.chracterPos[1].y);
        this.CreatedCharacter(character2, this.chracterPos[2].x, this.chracterPos[2].y);
        this.CreatedCharacter(character3, this.chracterPos[3].x, this.chracterPos[3].y);
    }
 
    //맵생성입력
    private void CreateMap()
    {
        while (true)
        {
            this.mapTile = Instantiate(Resources.Load<GameObject>("Prefabs/tile"));
 
            this.mapTile.tag = "Tile";
 
            this.mapTile.transform.SetParent(this.transform);
 
            this.CreatedMap(this.mapTile, this.col, row);
            this.dicFIndTile.Add(new Vector2(col, row), mapTile);
            this.col++;
 
            if (this.col >= this.colCount)
            {
                this.col = 0;
                this.row++;
            }
 
            if (this.row >= this.rowCount)
            {
                row = 0;
                break;
            }
        }
    }
 
    //캐릭터생성
    private void CreatedCharacter(GameObject character, float x, float y)
    {
        var vec2 = new Vector2(x, y);
 
        character.AddComponent<TestCharacter>();
        character.GetComponent<TestCharacter>().vec2 = vec2;
 
        this.characterList.Add(character);
 
        var screen = this.MapToScreen(vec2);
 
        var screenPos = Camera.main.ScreenToWorldPoint(new Vector2(screen.x + 512, screen.y + 384 + 100));
 
        character.transform.position = new Vector3(screenPos.x, screenPos.y, 0);
    }
 
    //맵생성
    private void CreatedMap(GameObject tileMap, float x, float y)
    {
        var vec2 = new Vector2(x, y);
 
        tileMap.AddComponent<TestTile>();
        tileMap.GetComponent<TestTile>().vec2 = vec2;
 
        if (tileMap.GetComponentInChildren<TextMesh>())
        {
            tileMap.GetComponentInChildren<TextMesh>().text = string.Format("({0},{1})", x, y);
            this.SetActiveFGH(tileMap);
        }
        
        foreach (var chracter in this.characterList)
        {
            if (chracter.GetComponent<TestCharacter>().vec2 == tileMap.GetComponent<TestTile>().vec2)
            {
                this.motherNode = tileMap;
            }
        }
 
        var screen = this.MapToScreen(vec2);
 
        var screenPos = Camera.main.ScreenToWorldPoint(new Vector2(screen.x + 512, screen.y + 384 + 100));
 
        tileMap.transform.position = new Vector3(screenPos.x, screenPos.y, 0);
    }
 
    //맵포지를 스크린포지로
    public Vector2 MapToScreen(Vector2 mapPos)
    {
        var screenX = mapPos.x * this.tileWidth - (mapPos.y * this.tileWidth);
        var screenY = mapPos.y * -tileHeight - (mapPos.x * tileHeight);
 
        return new Vector2(screenX, screenY);
    }
    #endregion
}