Cleanup

Assets/GameVariables.asset

@@ -51,12 +51,11 @@ MonoBehaviour:
     explosionPrefab: {fileID: 8968486364681163996, guid: 05c754e3d4f9fd349ac1def58d17670f,
       type: 3}
     scoreValue: 10
-  bonusAmount: 0.5
+  bombDelay: 0.75
-  bombChance: 2
+  bombSelfDelay: 0.25
+  bombRadius: 2
   dropHeight: 1
-  gemSpeed: 7
+  gemSpeed: 0.05
-  scoreSpeed: 5
+  scoreSpeed: 1
   width: 7
   height: 7
-  rowsSize: 7
-  colsSize: 7

Assets/Scripts/Models/Gem.cs

@@ -5,19 +5,22 @@ namespace Services {
     public class Gem {
         private GemType type;
         private Vector2Int position;
-
         public GemType Type => this.type;
         public Vector2Int Position => this.position;
         
         private int scoreValue;
         public int ScoreValue => this.scoreValue;
         
-        public bool isMatch = false;
+        private GemType colorType;
         
-        public Gem(GemType type, Vector2Int position, int scoreValue) {
+        public GemType MatchColor => this.type == GemType.Bomb ? this.colorType : this.type;
+        
+        public Gem(GemType type, Vector2Int position, int scoreValue, GemType? colorType = null) {
             this.type = type;
             this.position = position;
             this.scoreValue = scoreValue;
+
+            this.colorType = colorType ?? type;
         }
 
         public void SetPosition(Vector2Int position) {

Assets/Scripts/Presenter/GemPresenter.cs

@@ -17,13 +17,13 @@ namespace Presenter {
             this.gemView = gemView;
         }
         
-        public void Tick() {
+        public void Tick(float gemSpeed) {
             if (this.gemView == null) {
                 return;
             }
 
             if (!this.gem.Position.Compare(this.gemView.transform.localPosition)) {
-                this.gemView.UpdatePosition(this.gem.Position);
+                this.gemView.UpdatePosition(this.gem.Position, gemSpeed);
             }
         }
     }

Assets/Scripts/Presenter/ScorePresenter.cs

@@ -15,8 +15,8 @@ namespace Presenter {
             this.scoreView.SetScore(this.scoreService.Score);
         }
         
-        public void Tick() {
+        public void Tick(float scoreSpeed) {
-            this.scoreView.UpdateScore();
+            this.scoreView.UpdateScore(scoreSpeed);
         }
 
         private void OnScoreChanged(int score) {

Assets/Scripts/ScriptableObjects/GameVariables.cs

@@ -5,23 +5,18 @@ using Structs;
 using UnityEngine;
 using Views;
 
-//Done, moved to GameVariables scriptable object
 namespace ScriptableObjects {
     [CreateAssetMenu(fileName = "GameVariables", menuName = "Game Variables")]
     public class GameVariables : ScriptableObject {
         public GameObject bgTilePrefabs;
         public GemTypeValues[] gemsPrefabs;
-        public float bonusAmount = 0.5f;
+        public float bombDelay = 0.1f;
-        public float bombChance = 2f;
+        public float bombSelfDelay = 0.05f;
+        public int bombRadius = 1;
         public int dropHeight = 1;
         public float gemSpeed = 0.1f;
         public float scoreSpeed = 5;
         public int width;
         public int height;
-    
-        [HideInInspector]
-        public int rowsSize = 7;
-        [HideInInspector]
-        public int colsSize = 7;
     }
 }

Assets/Scripts/Services/GameBoardService.cs

@@ -7,6 +7,7 @@ using Models.Interfaces;
 using Presenter;
 using ScriptableObjects;
 using Services.Interfaces;
+using Structs;
 using UnityEngine;
 using Utils;
 using VContainer.Unity;
@@ -43,10 +44,10 @@ namespace Services {
         
         public void Tick() {
             foreach (GemPresenter gemPresenter in gemPresenters) {
-                gemPresenter.Tick();
+                gemPresenter.Tick(this.gameVariables.gemSpeed);
             }
 
-            this.scorePresenter.Tick();
+            this.scorePresenter.Tick(this.gameVariables.scoreSpeed);
         }
         
         //Instantiates background tiles and calls SpawnGems
@@ -77,18 +78,34 @@ namespace Services {
 
         //Uses the ObjectPool to spawn a gem at the given position
         private void SpawnGem(Vector2Int position, GemType gemType) {
-            if (Random.Range(0, 100f) < this.gameVariables.bombChance)
-                gemType = GemType.Bomb;
-            
             GemView gemView = this.objectPool.Get(gemType, position, this.gameVariables.dropHeight);
             gemView.name = "Gem - " + position.x + ", " + position.y + ' ' + gemType;
-            Gem gem = new Gem(gemType, position, 50);
+
+            // If we randomly spawned a bomb, give it a random color group (so it can match by color).
+            int scoreValue = GemUtils.GetGemValues(gemType, this.gameVariables.gemsPrefabs).scoreValue;
+            Gem gem = new Gem(gemType, position, scoreValue);
+
             gemView.Bind(gem);
 
             this.gemPresenters.Add(new GemPresenter(gem, gemView));
             SetGem(new Vector2Int(position.x, position.y), gem);
         }
         
+        private void SpawnBomb(Vector2Int position, GemType color) {
+            // remove existing gem/view at that position
+            DestroyMatchedGems(position);
+
+            GemView gemView = this.objectPool.Get(GemType.Bomb, position, this.gameVariables.dropHeight);
+            gemView.name = "Gem - " + position.x + ", " + position.y + ' ' + GemType.Bomb;
+
+            int scoreValue = GemUtils.GetGemValues(color, this.gameVariables.gemsPrefabs).scoreValue;
+            Gem bombGem = new Gem(GemType.Bomb, position, scoreValue, color);
+            gemView.Bind(bombGem);
+
+            this.gemPresenters.Add(new GemPresenter(bombGem, gemView));
+            SetGem(position, bombGem);
+        }
+
         //Sets the gem on the GameBoard
         private void SetGem(Vector2Int position, Gem gem) {
             this.gameBoard.SetGemAt(new Vector2Int(position.x, position.y), gem);
@@ -121,7 +138,7 @@ namespace Services {
             ApplySwap(from, to, fromGem, toGem);
 
             await UniTask.Delay(600);
-            
+            this.matchService.SetLastSwap(from, to);
             this.matchService.FindAllMatches();
             bool hasMatch = this.matchService.CurrentMatches.Count > 0;
 
@@ -132,7 +149,9 @@ namespace Services {
                 return false;
             }
             
-            DestroyMatches();
+            List<Vector2Int> protectedPositions = ApplyPendingBombSpawns();
+
+            await DestroyMatchesAsync(protectedPositions);
             this.currentState = GameState.Move;
             return true;
         }
@@ -147,16 +166,130 @@ namespace Services {
             SetGem(posB, gemA);
         }
         
-        //If there are matches, destroys them and moves the gems down
+        private List<Vector2Int> ApplyPendingBombSpawns() {
-        private void DestroyMatches() {
+            List<Vector2Int> positions = new List<Vector2Int>();
-            for (int i = 0; i < this.matchService.CurrentMatches.Count; i++)
+
-                if (this.matchService.CurrentMatches[i] != null)
+            foreach (BombSpawnRequest bomSpawnRequest in this.matchService.PendingBombSpawns) {
-                {
+                positions.Add(bomSpawnRequest.Position);
-                    this.scoreService.ScoreCheck(this.matchService.CurrentMatches[i].ScoreValue);
+                SpawnBomb(bomSpawnRequest.Position, bomSpawnRequest.Color);
-                    DestroyMatchedGems(this.matchService.CurrentMatches[i].Position);
             }
 
-            MoveGemsDown();
+            this.matchService.ClearPendingBombs();
+            return positions;
+        }
+        
+        private async UniTask DestroyMatchesAsync(List<Vector2Int> protectedPositions) {
+            // Build initial queues from current matches
+            Queue<Vector2Int> bombsToProcess = new Queue<Vector2Int>();
+            List<Vector2Int> processedBombs = new List<Vector2Int>();
+            List<Vector2Int> regularToDestroy = new List<Vector2Int>();
+
+            for (int i = 0; i < this.matchService.CurrentMatches.Count; i++) {
+                Gem matchedGem = this.matchService.CurrentMatches[i];
+                if (matchedGem == null)
+                    continue;
+
+                Vector2Int pos = matchedGem.Position;
+
+                // If a bomb was spawned at this cell due to 4+ creation, it must survive this destruction pass.
+                if (protectedPositions != null && protectedPositions.Contains(pos))
+                    continue;
+
+                Gem current = GetGem(pos);
+                if (current == null)
+                    continue;
+
+                if (current.Type == GemType.Bomb) {
+                    bombsToProcess.Enqueue(pos);
+                } else {
+                    regularToDestroy.Add(pos);
+                }
+            }
+
+            // Process bombs: neighbors first (after delay), then the bomb itself (after delay).
+            while (bombsToProcess.Count > 0) {
+                Vector2Int bombPos = bombsToProcess.Dequeue();
+                if (processedBombs.Contains(bombPos))
+                    continue;
+
+                Gem bomb = GetGem(bombPos);
+                if (bomb is not { Type: GemType.Bomb })
+                    continue;
+
+                processedBombs.Add(bombPos);
+
+                // Delay before destroying neighbor group
+                if (this.gameVariables.bombDelay > 0f) {
+                    int msDelay = Mathf.RoundToInt(this.gameVariables.bombDelay * 1000f);
+                    await UniTask.Delay(msDelay);
+                }
+
+                // Collect cross neighbors
+                foreach (Vector2Int neighborPosition in CrossNeighbors(bombPos, this.gameVariables.bombRadius)) {
+                    if (!InBounds(neighborPosition))
+                        continue;
+
+                    Gem g = GetGem(neighborPosition);
+                    if (g == null)
+                        continue;
+
+                    // If we encounter another bomb, queue it (so it explodes too).
+                    if (g.Type == GemType.Bomb) {
+                        if (!processedBombs.Contains(neighborPosition))
+                            bombsToProcess.Enqueue(neighborPosition);
+                        continue;
+                    }
+
+                    regularToDestroy.Add(neighborPosition);
+                }
+
+                // Destroy the neighbor group now
+                foreach (Vector2Int position in regularToDestroy.ToList()) {
+                    Gem gem = GetGem(position);
+                    if (gem == null)
+                        continue;
+
+                    this.scoreService.ScoreCheck(gem.ScoreValue);
+                    DestroyMatchedGems(position);
+                }
+                regularToDestroy.Clear();
+
+                // Delay before destroying the bomb itself
+                if (this.gameVariables.bombSelfDelay > 0f) {
+                    int ms = Mathf.RoundToInt(this.gameVariables.bombSelfDelay * 1000f);
+                    await UniTask.Delay(ms);
+                }
+
+                // Destroy the bomb
+                Gem b = GetGem(bombPos);
+                if (b != null && b.Type == GemType.Bomb) {
+                    this.scoreService.ScoreCheck(b.ScoreValue);
+                    DestroyMatchedGems(bombPos);
+                }
+            }
+
+            // Destroy any remaining regular matches (non-bomb) after bomb processing
+            foreach (Vector2Int pos in regularToDestroy) {
+                Gem g = GetGem(pos);
+                if (g == null)
+                    continue;
+
+                this.scoreService.ScoreCheck(g.ScoreValue);
+                DestroyMatchedGems(pos);
+            }
+
+            // Now we can cascade
+            await MoveGemsDown();
+        }
+
+        private static IEnumerable<Vector2Int> CrossNeighbors(Vector2Int center, int radius) {
+            // center excluded for "neighbors first"
+            for (int i = 1; i <= radius; i++) {
+                yield return center + Vector2Int.left * i;
+                yield return center + Vector2Int.right * i;
+                yield return center + Vector2Int.up * i;
+                yield return center + Vector2Int.down * i;
+            }
         }
 
         private async UniTask MoveGemsDown() {
@@ -189,14 +322,14 @@ namespace Services {
             await UniTask.Delay(5);
             RefillBoard();
             await UniTask.Delay(5);
+
             this.matchService.FindAllMatches();
-            if (this.matchService.CurrentMatches.Count > 0)
+            if (this.matchService.CurrentMatches.Count > 0) {
-            {
                 await UniTask.Delay(5);
-                DestroyMatches();
+
-            }
+                // In cascades, there is no "creating slot" bomb protection.
-            else
+                await DestroyMatchesAsync(new List<Vector2Int>());
-            {
+            } else {
                 await UniTask.Delay(5);
                 this.currentState = GameState.Move;
             }

Assets/Scripts/Services/Interfaces/IMatchService.cs

@@ -1,12 +1,15 @@
 using System.Collections.Generic;
 using UnityEngine;
 using Enums;
+using Structs;
 
 namespace Services.Interfaces {
     public interface IMatchService {
         List<Gem> CurrentMatches { get; }
+        IReadOnlyList<BombSpawnRequest> PendingBombSpawns { get; }
         bool MatchesAt(Vector2Int positionToCheck, GemType gemTypeToCheck);
         void FindAllMatches();
-        void MarkBombArea(Vector2Int bombPosition, int blastSize);
+        void SetLastSwap(Vector2Int from, Vector2Int to);
+        void ClearPendingBombs();
     }
 }

Assets/Scripts/Services/MatchService.cs

@@ -3,6 +3,7 @@ using System.Linq;
 using Enums;
 using Models.Interfaces;
 using Services.Interfaces;
+using Structs;
 using UnityEngine;
 
 namespace Services {
@@ -10,14 +11,33 @@ namespace Services {
         private List<Gem> currentMatches = new List<Gem>();
         public List<Gem> CurrentMatches => this.currentMatches;
 
+        public List<BombSpawnRequest> pendingBombSpawns = new List<BombSpawnRequest>();
+        public IReadOnlyList<BombSpawnRequest> PendingBombSpawns => this.pendingBombSpawns;
+
+        private Vector2Int lastSwapFrom;
+        private Vector2Int lastSwapTo;
+        
         private IGameBoard gameBoard;
 
         public MatchService(IGameBoard gameBoard) {
             this.gameBoard = gameBoard;
         }
 
+        public void SetLastSwap(Vector2Int from, Vector2Int to) {
+            this.lastSwapFrom = from;
+            this.lastSwapTo = to;
+        }
+
+        public void ClearPendingBombs() {
+            this.pendingBombSpawns.Clear();
+        }
+        
         public bool MatchesAt(Vector2Int positionToCheck, GemType gemTypeToCheck) {
             Gem[,] gems = this.gameBoard.GemsGrid;
+            
+            if (gemTypeToCheck == GemType.Bomb)
+                return false;
+            
             if (positionToCheck.x > 1)
             {
                 if (gems[positionToCheck.x - 1, positionToCheck.y].Type == gemTypeToCheck && gems[positionToCheck.x - 2, positionToCheck.y].Type == gemTypeToCheck)
@@ -35,26 +55,19 @@ namespace Services {
 
         public void FindAllMatches() {
             this.currentMatches.Clear();
+            this.pendingBombSpawns.Clear();
 
             for (int x = 0; x < this.gameBoard.Width; x++)
-                for (int y = 0; y < this.gameBoard.Height; y++)
+                for (int y = 0; y < this.gameBoard.Height; y++) {
-                {
                     Gem currentGem = this.gameBoard.GemsGrid[x, y];
-                    if (currentGem != null)
+                    if (currentGem == null)
-                    {
+                        continue;
-                        if (x > 0 && x < this.gameBoard.Width - 1)
+
-                        {
+                    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) {
-                            if (leftGem != null && rightGem != null)
+                            if (leftGem.MatchColor == currentGem.MatchColor && rightGem.MatchColor == currentGem.MatchColor) {
-                            {
-                                //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);
@@ -62,19 +75,11 @@ namespace Services {
                         }
                     }
 
-                        if (y > 0 && y < this.gameBoard.Height - 1)
+                    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) {
-                            if (aboveGem != null && bellowGem != null)
+                            if (aboveGem.MatchColor == currentGem.MatchColor && bellowGem.MatchColor == currentGem.MatchColor) {
-                            {
-                                //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);
@@ -82,11 +87,69 @@ namespace Services {
                         }
                     }
                 }
+
+            if (this.currentMatches.Count > 0)
+                this.currentMatches = this.currentMatches.Distinct().ToList();
+
+            DetectBombSpawnFromLastSwap();
+            CheckForBombs();
         }
         
-            if (this.currentMatches.Count > 0) this.currentMatches = this.currentMatches.Distinct().ToList();
+        private void DetectBombSpawnFromLastSwap() {
+            Vector2Int from = this.lastSwapFrom;
+            Vector2Int to = this.lastSwapTo;
 
-            CheckForBombs();
+            TryCreateBombSpawnAt(from);
+            TryCreateBombSpawnAt(to);
+        }
+        
+        private void TryCreateBombSpawnAt(Vector2Int pivot) {
+            Gem pivotGem = this.gameBoard.GetGemAt(pivot);
+            if (pivotGem == null)
+                return;
+
+            // If it's already a bomb, don't create another.
+            if (pivotGem.Type == GemType.Bomb)
+                return;
+
+            if (this.currentMatches.All(g => g.Position != pivot))
+                return;
+
+            int horizontal = CountLine(pivot, Vector2Int.left) + 1 + CountLine(pivot, Vector2Int.right);
+            int vertical = CountLine(pivot, Vector2Int.up) + 1 + CountLine(pivot, Vector2Int.down);
+
+            int best = Mathf.Max(horizontal, vertical);
+            if (best < 4)
+                return;
+
+            // Spawn a bomb on the creating slot with the same color group.
+            // Prevent duplicates for the same cell.
+            if (this.pendingBombSpawns.Any(b => b.Position == pivot))
+                return;
+
+            this.pendingBombSpawns.Add(new BombSpawnRequest(pivot, pivotGem.MatchColor));
+        }
+        
+        private int CountLine(Vector2Int start, Vector2Int direction) {
+            Gem startGem = this.gameBoard.GetGemAt(start);
+            if (startGem == null)
+                return 0;
+
+            GemType color = startGem.MatchColor;
+
+            int count = 0;
+            Vector2Int position = start + direction;
+
+            while (position.x >= 0 && position.x < this.gameBoard.Width && position.y >= 0 && position.y < this.gameBoard.Height) {
+                Gem g = this.gameBoard.GetGemAt(position);
+                if (g == null || g.MatchColor != color)
+                    break;
+
+                count++;
+                position += direction;
+            }
+
+            return count;
         }
 
         private void CheckForBombs() {
@@ -118,32 +181,38 @@ namespace Services {
 
                     Gem neighbor = gems[newX, newY];
                     if (neighbor?.Type == GemType.Bomb)
-                        MarkBombArea(new Vector2Int(newX, newY), 1);
+                        MarkBombCross(new Vector2Int(newX, newY), 1);
                 }
             }
         }
         
-        public void MarkBombArea(Vector2Int bombPosition, int blastSize) {
+        private void MarkBombCross(Vector2Int bombPosition, int radius) {
             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++)
+            void Mark(Vector2Int p) {
-            {
+                if (p.x < 0 || p.x >= width || p.y < 0 || p.y >= height)
-                for (int y = bombPosition.y - blastSize; y <= bombPosition.y + blastSize; y++)
+                    return;
-                {
+                Gem g = gems[p.x, p.y];
-                    if (x >= 0 && x < width && y >= 0 && y < height)
+                if (g == null)
-                    {
+                    return;
-                        if (gems[x, y] != null)
+
-                        {
+                this.currentMatches.Add(g);
-                            gems[x, y].isMatch = true;
-                            this.currentMatches.Add(gems[x, y]);
-                        }
-                    }
             }
+
+            Mark(bombPosition);
+
+            for (int i = 1; i <= radius; i++) {
+                Mark(bombPosition + Vector2Int.left * i);
+                Mark(bombPosition + Vector2Int.right * i);
+                Mark(bombPosition + Vector2Int.up * i);
+                Mark(bombPosition + Vector2Int.down * i);
             }
 
             this.currentMatches = this.currentMatches.Distinct().ToList();
         }
     }
+    
+    
 }

Assets/Scripts/Structs/BombSpawnRequest.cs

@@ -0,0 +1,14 @@
+using Enums;
+using UnityEngine;
+
+namespace Structs {
+    public readonly struct BombSpawnRequest {
+        public Vector2Int Position { get; }
+        public GemType Color { get; }
+
+        public BombSpawnRequest(Vector2Int position, GemType color) {
+            Position = position;
+            Color = color;
+        }
+    }
+}

Assets/Scripts/Structs/BombSpawnRequest.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: c2f038fd08be49a58b1db5f2b7adc9d9
+timeCreated: 1765740408

Assets/Scripts/Views/GemView.cs

@@ -28,7 +28,7 @@ namespace Views {
             this.isFalling = true;
         }
         
-        public async UniTaskVoid UpdatePosition(Vector2Int positionBasedOnIndex) {
+        public async UniTaskVoid UpdatePosition(Vector2Int positionBasedOnIndex, float gemSpeed) {
             if (!this.isFalling) {
                 await FallDelay();
             }
@@ -37,7 +37,7 @@ namespace Views {
                 return;
             
             if (Vector2.Distance(this.transform.position, positionBasedOnIndex.ToVector2()) > 0.01f) {
-                this.transform.position = Vector2.Lerp(this.transform.position, positionBasedOnIndex.ToVector2(), 0.05f);
+                this.transform.position = Vector2.Lerp(this.transform.position, positionBasedOnIndex.ToVector2(), gemSpeed);
             }
         }
     }

Assets/Scripts/Views/ScoreView.cs

@@ -12,8 +12,8 @@ namespace Views {
             this.scoreText = GetComponentInChildren<TextMeshProUGUI>();
         }
 
-        public void UpdateScore() {
+        public void UpdateScore(float scoreSpeed) {
-            this.displayScore = Mathf.Lerp(this.displayScore, this.actualScore, 5 * Time.deltaTime);
+            this.displayScore = Mathf.Lerp(this.displayScore, this.actualScore, scoreSpeed * Time.deltaTime);
             this.scoreText.text = this.displayScore.ToString("0");
         }