Files
match3-unity/Assets/Scripts/Services/MatchService.cs
2025-12-15 02:34:59 +08:00

149 lines
5.8 KiB
C#

using System.Collections.Generic;
using System.Linq;
using Enums;
using Models.Interfaces;
using Services.Interfaces;
using UnityEngine;
namespace Services {
public class MatchService : IMatchService {
private List<Gem> currentMatches = new List<Gem>();
public List<Gem> CurrentMatches => this.currentMatches;
private IGameBoard gameBoard;
public MatchService(IGameBoard gameBoard) {
this.gameBoard = gameBoard;
}
public bool MatchesAt(Vector2Int positionToCheck, GemType gemTypeToCheck) {
Gem[,] gems = this.gameBoard.GemsGrid;
if (positionToCheck.x > 1)
{
if (gems[positionToCheck.x - 1, positionToCheck.y].Type == gemTypeToCheck && gems[positionToCheck.x - 2, positionToCheck.y].Type == gemTypeToCheck)
return true;
}
if (positionToCheck.y > 1)
{
if (gems[positionToCheck.x, positionToCheck.y - 1].Type == gemTypeToCheck && gems[positionToCheck.x, positionToCheck.y - 2].Type == gemTypeToCheck)
return true;
}
return false;
}
public void FindAllMatches() {
this.currentMatches.Clear();
for (int x = 0; x < this.gameBoard.Width; x++)
for (int y = 0; y < this.gameBoard.Height; y++)
{
Gem currentGem = this.gameBoard.GemsGrid[x, y];
if (currentGem != null)
{
if (x > 0 && x < this.gameBoard.Width - 1)
{
Gem leftGem = this.gameBoard.GemsGrid[x - 1, y];
Gem rightGem = this.gameBoard.GemsGrid[x + 1, y];
//checking no empty spots
if (leftGem != null && rightGem != null)
{
//Match
if (leftGem.Type == currentGem.Type && rightGem.Type == currentGem.Type)
{
currentGem.isMatch = true;
leftGem.isMatch = true;
rightGem.isMatch = true;
this.currentMatches.Add(currentGem);
this.currentMatches.Add(leftGem);
this.currentMatches.Add(rightGem);
}
}
}
if (y > 0 && y < this.gameBoard.Height - 1)
{
Gem aboveGem = this.gameBoard.GemsGrid[x, y - 1];
Gem bellowGem = this.gameBoard.GemsGrid[x, y + 1];
//checking no empty spots
if (aboveGem != null && bellowGem != null)
{
//Match
if (aboveGem.Type == currentGem.Type && bellowGem.Type == currentGem.Type)
{
currentGem.isMatch = true;
aboveGem.isMatch = true;
bellowGem.isMatch = true;
this.currentMatches.Add(currentGem);
this.currentMatches.Add(aboveGem);
this.currentMatches.Add(bellowGem);
}
}
}
}
}
if (this.currentMatches.Count > 0) this.currentMatches = this.currentMatches.Distinct().ToList();
CheckForBombs();
}
private void CheckForBombs() {
Gem[,] gems = this.gameBoard.GemsGrid;
int width = this.gameBoard.Width;
int height = this.gameBoard.Height;
for (int i = 0; i < this.currentMatches.Count; i++)
{
Gem gem = this.currentMatches[i];
int x = gem.Position.x;
int y = gem.Position.y;
Vector2Int[] directions =
{
Vector2Int.left,
Vector2Int.right,
Vector2Int.down,
Vector2Int.up
};
foreach (Vector2Int direction in directions)
{
int newX = x + direction.x;
int newY = y + direction.y;
if (newX < 0 || newX >= width || newY < 0 || newY >= height)
continue;
Gem neighbor = gems[newX, newY];
if (neighbor?.Type == GemType.Bomb)
MarkBombArea(new Vector2Int(newX, newY), 1);
}
}
}
public void MarkBombArea(Vector2Int bombPosition, int blastSize) {
Gem[,] gems = this.gameBoard.GemsGrid;
int width = this.gameBoard.Width;
int height = this.gameBoard.Height;
for (int x = bombPosition.x - blastSize; x <= bombPosition.x + blastSize; x++)
{
for (int y = bombPosition.y - blastSize; y <= bombPosition.y + blastSize; y++)
{
if (x >= 0 && x < width && y >= 0 && y < height)
{
if (gems[x, y] != null)
{
gems[x, y].isMatch = true;
this.currentMatches.Add(gems[x, y]);
}
}
}
}
this.currentMatches = this.currentMatches.Distinct().ToList();
}
}
}