335 lines
13 KiB
C#
335 lines
13 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using Cysharp.Threading.Tasks;
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using Enums;
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using Models.Interfaces;
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using Presenter;
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using ScriptableObjects;
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using Services.Interfaces;
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using Structs;
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using UnityEngine;
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using Utils;
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using VContainer.Unity;
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using Views;
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using Object = UnityEngine.Object;
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using Random = UnityEngine.Random;
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namespace Services {
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public class GameBoardService : IGameBoardService, ITickable, IDisposable {
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#region Inject
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private readonly IGameBoard gameBoard;
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private readonly GameVariables gameVariables;
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private readonly IMatchService matchService;
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private readonly IScoreService scoreService;
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private readonly IBombService bombService;
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private readonly IObjectPool<GemView> objectPool;
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private readonly Transform gemsHolder;
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#endregion
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#region Variables
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private readonly List<GemPresenter> gemPresenters = new List<GemPresenter>();
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private readonly ScorePresenter scorePresenter;
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private GameState currentState = GameState.Move;
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#endregion
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public GameBoardService(IGameBoard gameBoard, GameVariables gameVariables, IMatchService matchService, IScoreService scoreSerivce, IBombService bombService, IObjectPool<GemView> objectPool, Transform gemsHolder, ScorePresenter scorePresenter) {
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this.gameBoard = gameBoard;
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this.gameVariables = gameVariables;
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this.matchService = matchService;
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this.scoreService = scoreSerivce;
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this.bombService = bombService;
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this.objectPool = objectPool;
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this.gemsHolder = gemsHolder;
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this.scorePresenter = scorePresenter;
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}
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public void Tick() {
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foreach (GemPresenter gemPresenter in gemPresenters) {
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gemPresenter.Tick(this.gameVariables.gemSpeed);
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}
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this.scorePresenter.Tick(this.gameVariables.scoreSpeed);
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}
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//Instantiates background tiles and calls SpawnGems
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//Uses MatchService.MatchesAt to avoid matching Gems
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public void Setup() {
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for (int x = 0; x < this.gameBoard.Width; x++)
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for (int y = 0; y < this.gameBoard.Height; y++)
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{
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Vector2 position = new Vector2(x, y);
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GameObject backgroundTile = Object.Instantiate(this.gameVariables.bgTilePrefabs, position, Quaternion.identity);
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backgroundTile.transform.SetParent(this.gemsHolder);
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backgroundTile.name = "BG Tile - " + x + ", " + y;
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int gemToUse = RandomUtils.RandomGemTypeAsInt();
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int iterations = 0;
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while (this.matchService.MatchesAt(new Vector2Int(x, y), (GemType)gemToUse) && iterations < 100)
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{
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gemToUse = RandomUtils.RandomGemTypeAsInt();
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iterations++;
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}
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SpawnGem(new Vector2Int(x, y), (GemType)gemToUse);
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}
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this.currentState = GameState.Move;
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}
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//Uses the ObjectPool to spawn a gem at the given position
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private void SpawnGem(Vector2Int position, GemType gemType) {
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GemView gemView = this.objectPool.Get(gemType, position, this.gameVariables.dropHeight);
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gemView.name = "Gem - " + position.x + ", " + position.y + ' ' + gemType;
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// If we randomly spawned a bomb, give it a random color group (so it can match by color).
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int scoreValue = GemUtils.GetGemValues(gemType, this.gameVariables.gemsPrefabs).scoreValue;
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Gem gem = new Gem(gemType, position, scoreValue);
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gemView.Bind(gem);
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this.gemPresenters.Add(new GemPresenter(gem, gemView));
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SetGem(new Vector2Int(position.x, position.y), gem);
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}
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private void SpawnBomb(Vector2Int position, GemType color) {
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// remove existing gem/view at that position
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DestroyMatchedGems(position);
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GemView gemView = this.objectPool.Get(GemType.Bomb, position, this.gameVariables.dropHeight);
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gemView.name = "Gem - " + position.x + ", " + position.y + ' ' + GemType.Bomb;
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int scoreValue = GemUtils.GetGemValues(color, this.gameVariables.gemsPrefabs).scoreValue;
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Gem bombGem = new Gem(GemType.Bomb, position, scoreValue, color);
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gemView.Bind(bombGem);
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this.gemPresenters.Add(new GemPresenter(bombGem, gemView));
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SetGem(position, bombGem);
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}
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//Sets the gem on the GameBoard
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private void SetGem(Vector2Int position, Gem gem) {
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this.gameBoard.SetGemAt(new Vector2Int(position.x, position.y), gem);
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}
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//Gets the gem from the GameBoard
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private Gem GetGem(Vector2Int position) {
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return this.gameBoard.GetGemAt(position);
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}
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//Listens to InputService OnSwapRequest
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public async UniTask<bool> TrySwap(Vector2Int from, Vector2Int to) {
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if (this.currentState != GameState.Move)
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return false;
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if (!InBounds(from) || !InBounds(to))
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return false;
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if (!AreAdjacentCardinal(from, to))
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return false;
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Gem fromGem = GetGem(from);
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Gem toGem = GetGem(to);
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if(fromGem == null || toGem == null)
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return false;
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this.currentState = GameState.Wait;
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ApplySwap(from, to, fromGem, toGem);
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await UniTask.Delay(600);
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this.matchService.SetLastSwap(from, to);
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this.matchService.FindAllMatches();
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bool hasMatch = this.matchService.CurrentMatches.Count > 0;
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if (!hasMatch) {
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ApplySwap(to, from, fromGem, toGem);
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await UniTask.Delay(600);
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this.currentState = GameState.Move;
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return false;
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}
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List<Vector2Int> protectedPositions = ApplyPendingBombSpawns();
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await DestroyMatchesAsync(protectedPositions);
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this.currentState = GameState.Move;
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return true;
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}
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private void ApplySwap(Vector2Int posA, Vector2Int posB, Gem gemA, Gem gemB) {
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// swap their stored positions
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gemA.SetPosition(posB);
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gemB.SetPosition(posA);
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// update grid
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SetGem(posA, gemB);
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SetGem(posB, gemA);
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}
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private List<Vector2Int> ApplyPendingBombSpawns() {
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List<Vector2Int> positions = new List<Vector2Int>();
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foreach (BombSpawnRequest bomSpawnRequest in this.matchService.PendingBombSpawns) {
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positions.Add(bomSpawnRequest.Position);
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SpawnBomb(bomSpawnRequest.Position, bomSpawnRequest.Color);
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}
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this.matchService.ClearPendingBombs();
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return positions;
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}
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private async UniTask DestroyMatchesAsync(List<Vector2Int> protectedPositions) {
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List<Vector2Int> matchPositions = new List<Vector2Int>(this.matchService.CurrentMatches.Count);
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for (int i = 0; i < this.matchService.CurrentMatches.Count; i++) {
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var m = this.matchService.CurrentMatches[i];
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if (m == null) continue;
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Vector2Int pos = m.Position;
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if (protectedPositions != null && protectedPositions.Contains(pos))
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continue;
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matchPositions.Add(pos);
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}
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foreach (Vector2Int pos in matchPositions.Distinct().ToList()) {
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Gem gem = GetGem(pos);
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if (gem == null) continue;
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if (gem.Type == GemType.Bomb) continue;
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this.scoreService.ScoreCheck(gem.ScoreValue);
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DestroyMatchedGems(pos);
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}
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IReadOnlyList<Vector2Int> bombCandidates = this.bombService.CollectTriggeredBombs(matchPositions);
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List<Vector2Int> initialBombs = new List<Vector2Int>();
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foreach (Vector2Int p in bombCandidates) {
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if (!InBounds(p)) continue;
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if (protectedPositions != null && protectedPositions.Contains(p))
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continue;
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Gem gem = GetGem(p);
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if (gem is { Type: GemType.Bomb })
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initialBombs.Add(p);
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}
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initialBombs = initialBombs.Distinct().ToList();
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await this.bombService.DetonateChainAsync(initialBombs, InBounds, GetGem, DestroyAtAsync, this.gameVariables.bombRadius, this.gameVariables.bombDelay, this.gameVariables.bombSelfDelay);
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await MoveGemsDown();
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}
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private UniTask DestroyAtAsync(Vector2Int pos) {
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Gem gem = GetGem(pos);
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if (gem == null)
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return UniTask.CompletedTask;
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this.scoreService.ScoreCheck(gem.ScoreValue);
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DestroyMatchedGems(pos);
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return UniTask.CompletedTask;
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}
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private async UniTask MoveGemsDown() {
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await UniTask.Delay(50);
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int nullCounter = 0;
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for (int x = 0; x < this.gameBoard.Width; x++)
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{
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for (int y = 0; y < this.gameBoard.Height; y++)
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{
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Gem currentGem = this.gameBoard.GetGemAt(new Vector2Int(x, y));
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if (currentGem == null)
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{
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nullCounter++;
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}
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else if (nullCounter > 0)
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{
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currentGem.SetPosition(new Vector2Int(currentGem.Position.x, currentGem.Position.y - nullCounter));
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SetGem(currentGem.Position, currentGem);
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SetGem(new Vector2Int(x,y), null);
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}
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}
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nullCounter = 0;
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}
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await FillBoard();
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}
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private async UniTask FillBoard() {
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await UniTask.Delay(5);
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RefillBoard();
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await UniTask.Delay(5);
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this.matchService.FindAllMatches();
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if (this.matchService.CurrentMatches.Count > 0) {
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await UniTask.Delay(5);
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// In cascades, there is no "creating slot" bomb protection.
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await DestroyMatchesAsync(new List<Vector2Int>());
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} else {
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await UniTask.Delay(5);
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this.currentState = GameState.Move;
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}
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}
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private void RefillBoard() {
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for (int x = 0; x < this.gameBoard.Width; x++)
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{
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for (int y = 0; y < this.gameBoard.Height; y++)
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{
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Gem currentGem = this.gameBoard.GetGemAt(new Vector2Int(x,y));
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if (currentGem == null) {
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int gemToUse = RandomUtils.RandomGemTypeAsInt();
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SpawnGem(new Vector2Int(x, y), (GemType)gemToUse);
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}
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}
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}
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}
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private void DestroyMatchedGems(Vector2Int position) {
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List<GemView> gemsViews = GemsViews();
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Gem currentGem = this.gameBoard.GetGemAt(position);
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if (currentGem != null)
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{
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GemView gemView = gemsViews.FirstOrDefault(gv => gv.Gem == currentGem);
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if (gemView is null) {
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return;
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}
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this.objectPool.Release(gemView);
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RemovePresenterFor(gemView);
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SetGem(position, null);
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}
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}
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#region Utils
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private void RemovePresenterFor(GemView gemView) {
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if (gemView is null) {
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return;
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}
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GemPresenter presenter = this.gemPresenters.FirstOrDefault(p => p.GemView == gemView);
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this.gemPresenters.Remove(presenter);
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}
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private List<GemView> GemsViews() {
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return this.gemsHolder.GetComponentsInChildren<GemView>().ToList();
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}
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private bool InBounds(Vector2Int p) {
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return p.x >= 0 && p.x < this.gameBoard.Width && p.y >= 0 && p.y < this.gameBoard.Height;
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}
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private static bool AreAdjacentCardinal(Vector2Int a, Vector2Int b) {
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Vector2Int d = b - a;
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return (Mathf.Abs(d.x) == 1 && d.y == 0) || (Mathf.Abs(d.y) == 1 && d.x == 0);
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}
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#endregion
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public void Dispose() {
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this.objectPool.Clear();
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}
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}
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} |