Semi-playable test state, load Lemon_Test scene and LayeredStaging under it

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Assets/Scenes/Lemon_Test.unity

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Assets/Texel/Gameplay/GameBoard.cs

@@ -21,6 +21,189 @@ using Cluster = System.Collections.Generic.List<(int x, int y)>;
 public class GameBoard : EntityBase, IAutoSerialize, IAutoDeserialize {
 	public BoardState board = new BoardState();
 
+	[Header("Gameplay")]
+	public bool paused = false;
+	public bool controlledByPlayer = true;
+	public bool controlledByAI = true;
+
+	public Move Current, Next;
+
+	public Move Recommended;
+
+	[Tooltip("Time it takes for the collapse to process")]
+	public float CollapseCycleTime = 1.5f;
+
+	public int cursorX, cursorY;
+
+	void Start() {
+		TestBoard();
+	}
+
+	void Update() {
+		UpdateControls();
+	}
+
+	[Header("Game State)"), ReadOnly]
+	public float comboDelay = 0;
+	[ReadOnly]
+	public float collapseCount;
+
+	void UpdateControls() {
+		// Scan the board for tile activations	
+		board = board.Activate(out int activations);
+
+		if (activations > 0) {
+			if (comboDelay > 0) {
+				comboDelay -= Time.deltaTime;
+
+				if (comboDelay <= 0) {
+					board = board.BreakPending(this, true);
+					board = board.Collapse(out _);
+				}
+			} else {
+				Collapse();
+				comboDelay = 1.5f; // Half second combo delay
+			}
+		} else {
+			board = board.Collapse(out _);
+
+			if (controlledByPlayer) {
+				PlayerControls();
+			}
+		}
+	}
+
+	public void MoveCursor(MoveDir d) {
+		var (dx,dy) = d.ToPair();
+		cursorX += dx;
+		cursorY += dy;
+
+		var clampX = Mathf.Clamp(cursorX, 0, BoardState.BoardWidth - 1);
+		var clampY = Mathf.Clamp(cursorY, BoardState.BoardHeight - 4, BoardState.BoardHeight - 2);
+
+		if (cursorX != clampX) goto Invalid;
+		if (cursorY != clampY) goto Invalid;
+
+		Current.location = (cursorX, cursorY);
+
+		// Leave/pickup our motion chain
+		if (Current.first == d) {
+			Current.first = MoveDir.None;
+		} else {
+			if (Current.second == d && Current.first == MoveDir.None) {
+				Current.second = MoveDir.None;
+			} else {
+				Current.second = Current.first;
+				Current.first = d.Reverse();
+			}
+		}
+
+		Invalid:
+		cursorX = clampX;
+		cursorY = clampY;
+	}
+
+	public bool Drop() {
+		// Don't allow drops while combo delay is going
+		if (comboDelay > 0) return false;
+
+		bool valid = Current.isValid(board);
+		if (!valid) return false;
+
+		board = board.Place(Current);
+		Current = Next;
+		Next = new Move().Set(Random,Random,Random);
+
+		board = board.Collapse(out _);
+		return true;
+	}
+
+	static bool AnyCode(params KeyCode[] kc) {
+		foreach (var code in kc)
+			if (Input.GetKeyDown(code)) return true; 
+		return false;
+	}
+
+	void PlayerControls() {
+		var intent = MoveDir.None;
+
+		if (AnyCode(KeyCode.W,KeyCode.UpArrow))
+			intent = MoveDir.Up;
+		if (AnyCode(KeyCode.A, KeyCode.LeftArrow))
+			intent = MoveDir.Left;
+		if (AnyCode(KeyCode.S, KeyCode.DownArrow))
+			intent = MoveDir.Down;
+		if (AnyCode(KeyCode.D, KeyCode.RightArrow))
+			intent = MoveDir.Right;
+
+		if (intent != MoveDir.None)
+			MoveCursor(intent);
+
+		if (AnyCode(KeyCode.Space, KeyCode.KeypadEnter, KeyCode.Return)) {
+			Drop();
+		}
+	}
+
+	// AI Solver
+	[ContextMenu("Recommend Move")]
+	public void SolveRecommendedMove() {
+		// First, create the sim board
+		var simBoard = board.SelfCopy();
+
+		ValidateMoves();
+	}
+
+	static List<Move> PossibleMoves;
+	public static void ValidateMoves() {
+		if (PossibleMoves != null) return;
+		PossibleMoves = new List<Move>();
+
+		// Array of all possible movement direction sequences
+		(MoveDir a, MoveDir b)[] sequences = new[] {
+			(MoveDir.Down, MoveDir.Down),
+			(MoveDir.Down, MoveDir.Left),
+			(MoveDir.Down, MoveDir.Right),
+			(MoveDir.Up, MoveDir.Up),
+			(MoveDir.Up, MoveDir.Left),
+			(MoveDir.Up, MoveDir.Right),
+			(MoveDir.Right, MoveDir.Right),
+			(MoveDir.Right, MoveDir.Up),
+			(MoveDir.Right, MoveDir.Down),
+			(MoveDir.Left, MoveDir.Left),
+			(MoveDir.Left, MoveDir.Down),
+			(MoveDir.Left, MoveDir.Up)};
+
+		// Create a new empty board, then collapse to fill with iar
+		BoardState airBoard = new BoardState();
+		airBoard = airBoard.Collapse(out _);
+
+		// Just for fun :)
+		int considered = 0;
+		int ignored = 0;
+
+		// 2D Loop over the top three board rows
+		for(int x = 0; x < BoardState.BoardWidth; ++x)
+			for (int y = BoardState.BoardHeight - 4; y < BoardState.BoardHeight - 1; ++y) {
+				// From this position, attempt each sequence
+				foreach(var s in sequences) {
+					considered += 1;
+
+					var move = new Move {
+						location = (x, y),
+						first = s.a,
+						second = s.b
+					};
+
+					if (move.isValid(airBoard))
+						PossibleMoves.Add(move);
+					else
+						ignored += 1;
+				}
+			}
+
+		Debug.LogFormat("Possible Moves table built, Considered {0} (Ignored: {1})", considered, ignored);
+	}
+
 	GameBoardDrawer _drawer;
 	public GameBoardDrawer drawer {
 		get {
@@ -37,11 +220,22 @@ public class GameBoard : EntityBase, IAutoSerialize, IAutoDeserialize {
 		base.Serialize(h);
 		if (h.TryGetValue('b', out var hashedBoard))
 			board = new BoardState((Hashtable)hashedBoard);
+
+		if (h.TryGetValue('c', out var curArrayObject)) {
+			Current = Move.FromIntArray((int[])curArrayObject);
+		}
+
+		if (h.TryGetValue('n', out var nxtArrayObject)) {
+			Next = Move.FromIntArray((int[])nxtArrayObject);
+		}
 	}
 
 	public override void Serialize(Hashtable h) {
 		base.Serialize(h);
 		h.Add('b', board.ToHashtable());
+
+		h.Add('c', Move.ToIntArray(Current));
+		h.Add('n', Move.ToIntArray(Next));
 	}
 
 	public TileColor[] Options;
@@ -56,6 +250,14 @@ public class GameBoard : EntityBase, IAutoSerialize, IAutoDeserialize {
 		for(int i = 0; i < BoardState.BoardWidth; ++i) {
 			board[i] = new TileStack(new[] { Random, Random, Random, Random, Random, Random });
 		}
+
+		Current = new Move();
+		Current.triplet = (Random, Random, Random);
+
+		Next = new Move();
+		Next.triplet = (Random, Random, Random);
+
+		Collapse();
 	}
 
 	[ContextMenu("Test Board Serialization")]
@@ -74,7 +276,7 @@ public class GameBoard : EntityBase, IAutoSerialize, IAutoDeserialize {
 	public void BreakPending() => board = board.BreakPending(this, Application.isPlaying);
 
 	[ContextMenu("Collapse")]
-	public void Collapse() => board = board.Collapse();
+	public void Collapse() => board = board.Collapse(out _);
 
 }
 
@@ -258,7 +460,6 @@ public static class BoardLogic {
 	public static int TallestStack(this BoardState bs)
 		=> bs.state.Max(t => t.Count);
 
-
 	// Get a tile from a stack padded with nulls
 	public static TileInfo NullPadded(this TileStack ts, int row) {
 		if (row < 0) return null;
@@ -417,8 +618,9 @@ public static class BoardLogic {
 		return ClosedSet.Select(e => (x, e)).ToList(); 
 	}
 
-	public static BoardState Collapse(this BoardState bs) {
+	public static BoardState Collapse(this BoardState bs, out int remCount) {
 		// TODO: Proper support for fairy blocks
+		remCount = 0;
 
 		for (int x = 0; x < bs.state.Count; ++x) {
 			var col = bs[x];
@@ -427,6 +629,8 @@ public static class BoardLogic {
 			for (int i = 0; i < col.Count; ++i) {
 				col[i] = col[i].SetFalling(foundAir);
 				if (col[i].isAir) foundAir = true;
+
+				//remCount += foundAir ? 1 : 0;
 			}
 
 			// First, pad to length with air
@@ -436,12 +640,16 @@ public static class BoardLogic {
 			// Create an unlinked copy
 			var oldCol = col.Copy();
 			// Remove all air tiles
-			col.RemoveAll(t => t.isAir);
+			/*remCount += */col.RemoveAll(t => t.isAir);
 
 			// Repad with air
 			while (col.Count < BoardState.BoardHeight)
 				col.Add(TileInfo.Air);
-
+			
+			foreach(var elm in col) {
+				if (elm.detail.HasFlag(TileDetail.Dropped))
+					remCount += 1;
+			}
 			// TODO: Better falling logic
 			
 			// Set the falling flag for drawing
@@ -458,11 +666,25 @@ public static class BoardLogic {
 
 		var (first, second, third) = m.triplet;
 
+		var (x, y) = m.location;
+		//Debug.LogFormat("Placing at {0},{1}", x, y);
+
+		var activeCol = state[x];
+		activeCol[y] = first;
+
+		(x, y) = m.locationB;
+		activeCol = state[x];
+		activeCol[y] = second;
+
+		(x, y) = m.locationC;
+		activeCol = state[x];
+		activeCol[y] = third;
+
 		// FIXME SetAtPoint is shite and doesn't work good??
 
-		state.SetAtPoint(m.location, first);
+		//state.SetAtPoint(m.location, first);
-		state.SetAtPoint(m.locationB, second);
+		//state.SetAtPoint(m.locationB, second);
-		state.SetAtPoint(m.locationC, third);
+		//state.SetAtPoint(m.locationC, third);
 
 		return state;
 	}
@@ -507,13 +729,27 @@ public static class BoardLogic {
 					continue;
 
 				at.SetPending();
-				activations += 1; // Increment the activation counter
+				//activations += 1; // Increment the activation counter
 			}	
 		}
 
+		// Turns out, we need to know pending counts more
+		activations = CountPending(bs);
+
 		return bs;
 	}
 
+	public static int CountPending(this BoardState bs) {
+		int pending = 0;
+		foreach(var col in bs.state) {
+			foreach (var elem in col) {
+				if (elem.isPending)
+					pending += 1;
+			}
+		}
+		return pending;
+	}
+
 	public static BoardState BreakPending(this BoardState bs, GameBoard gb, bool sendCallbacks = false) {
 		var broken = new Cluster();
 		for(int x = 0; x < bs.state.Count; ++x) {
@@ -552,7 +788,7 @@ public static class BoardLogic {
 		// Iterations for the current step
 		int stepActivations = 0;
 		do {
-			bs = bs.Collapse().Activate(out stepActivations).BreakPending(gb);
+			bs = bs.Collapse(out _).Activate(out stepActivations).BreakPending(gb);
 			activations += stepActivations;
 			// Repeat until no new tiles activate
 			Debug.LogFormat("Processed {0} activations", stepActivations);
@@ -581,18 +817,71 @@ public static class BoardLogic {
 				return (0, 0);
 		}
 	}
+
+	public static MoveDir Reverse(this MoveDir md) {
+		switch(md) {
+			case MoveDir.Left:
+				return MoveDir.Right;
+			case MoveDir.Right:
+				return MoveDir.Left;
+			case MoveDir.Up:
+				return MoveDir.Down;
+			case MoveDir.Down:
+				return MoveDir.Up;
+			default:
+				return MoveDir.None;
+		}
+	}
 }
 
 #endregion
 
 #region moves
 
-public enum MoveDir { None, Left, Right, Up, Down }
+public enum MoveDir { None=0, Left, Right, Up, Down }
 
 public class Move {
 	public (TileInfo first, TileInfo second, TileInfo third) triplet;
 	public (int x, int y) location;
 
+	public Move Set(params TileInfo[] elements){
+		triplet = (elements[0], elements[1], elements[2]);
+		return this;
+	}
+
+
+	public bool isValid(BoardState bs) {
+		// Check if current move is valid
+		if (this.first == MoveDir.None || this.second == MoveDir.None)
+			return false;
+
+		var mX = BoardState.BoardWidth - 1;
+		var mY = BoardState.BoardHeight - 4;
+
+		// Validate all the placement positions are in bounds
+		var locs = new[] { location, locationB, locationC };
+		foreach(var loc in locs) {
+			if (loc.x < 0) return false;
+			if (loc.x > mX) return false;
+			if (loc.y < mY) return false;
+			if (loc.y > mY + 3) return false;
+		}
+
+		// Validate that the board positions are empty
+		var at = bs.TileAtPoint(this.location);
+		if (!at.isAir) return false;
+		at = bs.TileAtPoint(this.locationB);
+		if (!at.isAir) return false;
+		at = bs.TileAtPoint(this.locationC);
+		if (!at.isAir) return false;
+
+		return true;
+	}
+
+	public void ClearMove() {
+		first = MoveDir.None;
+		second = MoveDir.None;
+	}
 	public MoveDir first, second;
 
 	public (int x, int y) locationB {
@@ -608,6 +897,34 @@ public class Move {
 			return (locationB.x + x, locationB.y + y);
 		}
 	}
+
+	public static int[] ToIntArray(Move m) {
+		var ml = new int[7];
+		ml[0] = m.triplet.first;
+		ml[1] = m.triplet.second;
+		ml[2] = m.triplet.third;
+
+		ml[3] = (int)m.first;
+		ml[4] = (int)m.second;
+
+		ml[5] = m.location.x;
+		ml[6] = m.location.y;
+		return ml;
+	}
+
+	public static Move FromIntArray(int[] ia) {
+		var m = new Move();
+		m.triplet.first =  (TileInfo)ia[0];
+		m.triplet.second = (TileInfo)ia[1];
+		m.triplet.third =  (TileInfo)ia[2];
+
+		m.first = (MoveDir)ia[3];
+		m.second = (MoveDir)ia[4];
+
+		m.location = (ia[5], ia[6]);
+
+		return m;
+	}
 }
 
 #endregion
@@ -645,6 +962,7 @@ public class BoardState {
 		return null;
 	}
 
+	// This doesn't work for whatevre damn reason
 	public void SetAtPoint((int x, int y) p, TileInfo tile) {
 		if (TryCol(p.x, out var col)) {
 			col.ChangeTile(p.x, tile);

Assets/Texel/Gameplay/GameBoardDrawer.cs

@@ -14,6 +14,110 @@ public class GameBoardDrawer : MonoBehaviour {
 		return TilePrefab;
 	}
 
+	public Move CurrentMove;
+	public Move NextMove;
+
+	public Vector3 nextUI, currentUI;
+
+	public List<TileDrawer> currentDrawers, nextDrawer, placementDrawer;
+	public void DrawMove() {
+		if (gameBoard.Current != null) {
+			var cur = gameBoard.Current;
+			var (first, second, third) = cur.triplet;
+
+			currentDrawers[0].toDraw = first;
+			currentDrawers[1].toDraw = second;
+			currentDrawers[2].toDraw = third;
+
+			for(int i = 0; i < 3; ++i)
+				currentDrawers[i].transform.localPosition =
+					Position(0, i) + currentUI;
+
+
+			placementDrawer[0].toDraw = first;
+			placementDrawer[1].toDraw = second;
+			placementDrawer[2].toDraw = third;
+
+			var pla = placementDrawer[0].transform;
+			var plb = placementDrawer[1].transform;
+			var plc = placementDrawer[2].transform;
+
+			var offset = Vector3.forward * -5f;
+			pla.localPosition = Position(gameBoard.cursorX, gameBoard.cursorY) + offset;
+			placementDrawer[0].opacity = 0.8f;
+
+			var cx = gameBoard.cursorX;
+			var cy = gameBoard.cursorY;
+
+			if (cur.first != MoveDir.None) {
+				placementDrawer[1].opacity = 0.8f;
+
+				var (x,y) = cur.locationB;
+				plb.localPosition = Position(x, y) + offset;
+			} else {
+				placementDrawer[1].opacity = 0.5f;
+				// Draw the piece as a little floater
+				plb.localPosition = 
+					Vector3.Lerp(
+						Position(cx, cy) + offset,
+						Position(cx, cy + 1) + (offset*0.9f),
+						0.3f);
+			}
+
+			if (cur.second != MoveDir.None) {
+				placementDrawer[2].opacity = 0.9f;
+				var (x, y) = cur.locationC;
+
+				plc.localPosition = Position(x, y) + offset;
+			} else {
+				plc.localPosition =
+					Vector3.Lerp(
+						Position(cx, cy) + offset,
+						Position(cx, cy + 2) + (offset * 0.85f),
+						0.3f);
+
+				placementDrawer[2].opacity = 0.5f;
+			}
+		}
+
+		if (gameBoard.Next != null) {
+			var tri = gameBoard.Next.triplet;
+
+			nextDrawer[0].toDraw = tri.first;
+			nextDrawer[1].toDraw = tri.second;
+			nextDrawer[2].toDraw = tri.third;
+
+			for (int i = 0; i < 3; ++i)
+				nextDrawer[i].transform.localPosition =
+					Position(0, i) + nextUI;
+		}
+	}
+
+	public Sprite Cursor;
+	Transform _cursorObject;
+	public void UpdateCursor() {
+		if (_cursorObject) {
+			_cursorObject.localPosition =
+				Position(gameBoard.cursorX, gameBoard.cursorY) +
+				(Vector3.forward * -10);
+			return;
+		}
+
+		var cgo = new GameObject("Cursor");
+		cgo.hideFlags = HideFlags.DontSaveInBuild | HideFlags.DontSaveInEditor;
+		_cursorObject = cgo.transform;
+
+		_cursorObject.SetParent(transform, false);
+
+		var src = cgo.AddComponent<SpriteRenderer>();
+		src.sprite = Cursor;
+
+		
+		src.sortingLayerID = TilePrefab.GetComponent<SpriteRenderer>().sortingLayerID;
+
+		src.sortingOrder = 100; // Draw high up
+	}
+
 	// Cached reference to the gameboard
 	GameBoard _gameBoard;
 	public GameBoard gameBoard {
@@ -49,6 +153,8 @@ public class GameBoardDrawer : MonoBehaviour {
 		if (TileDrawers == null) {
 			ClearDrawers();
 
+			var flags = HideFlags.DontSaveInBuild | HideFlags.DontSaveInEditor;
+
 			Transform self = transform; // Cache
 			// Setup the board
 			// Board is arranged as a series of column 'stacks', bottom up
@@ -58,7 +164,7 @@ public class GameBoardDrawer : MonoBehaviour {
 				for (int y = 0; y < BoardState.BoardHeight; ++y) {
 					var tile = Instantiate<GameObject>(TilePrefab,self);
 
-					tile.hideFlags = HideFlags.DontSaveInBuild | HideFlags.DontSaveInEditor;
+					tile.hideFlags = flags;
 					// placement is handled in the update section
 					//var tileT = tile.transform;
 					//tileT.localPosition = new Vector3(x, y) * TileSize;
@@ -67,6 +173,23 @@ public class GameBoardDrawer : MonoBehaviour {
 				}
 				TileDrawers.Add(col);
 			}
+
+			currentDrawers = new List<TileDrawer>();
+			nextDrawer = new List<TileDrawer>();
+			placementDrawer = new List<TileDrawer>();
+			for(int i = 0; i < 3; ++i) {
+				var ctd = Instantiate(TilePrefab, self);
+				var ntd = Instantiate(TilePrefab, self);
+				var ptd = Instantiate(TilePrefab, self);
+
+				ctd.hideFlags = flags;
+				ntd.hideFlags = flags;
+				ptd.hideFlags = flags;
+
+				currentDrawers.Add(ctd.GetComponent<TileDrawer>());
+				nextDrawer.Add(ntd.GetComponent<TileDrawer>());
+				placementDrawer.Add(ptd.GetComponent<TileDrawer>());
+			}
 		}
 	}
 
@@ -132,5 +255,9 @@ public class GameBoardDrawer : MonoBehaviour {
 		ValidateDrawers();
 
 		UpdateDrawers();
+
+		UpdateCursor();
+
+		DrawMove();
 	}
 }

Assets/Texel/Gameplay/Staging/BoardStaging.unity

@@ -153,6 +153,7 @@ MonoBehaviour:
   m_EditorClassIdentifier: 
   TilePrefab: {fileID: 6929433238081324627, guid: 2d35555d89dd5e94fb9527d52c616c11,
     type: 3}
+  Cursor: {fileID: 21300000, guid: 2b4cf7a8a6d213a40a7b76c8f50678b4, type: 3}
   TileSize: 1
 --- !u!114 &20737163
 MonoBehaviour:
@@ -168,6 +169,12 @@ MonoBehaviour:
   m_EditorClassIdentifier: 
   EntityID: 0
   authorityID: -1
+  paused: 0
+  controlledByPlayer: 1
+  controlledByAI: 1
+  CollapseCycleTime: 1.5
+  cursorX: 3
+  cursorY: 9
   Options: 05020304
 --- !u!4 &20737164
 Transform:

Assets/Texel/Resources/TileDrawer.prefab

@@ -47,6 +47,9 @@ MonoBehaviour:
   tsi: {fileID: 11400000, guid: 18b884ffdbcbecd489662f53d8e1b44d, type: 2}
   toDraw:
     data: 257
+  board: {fileID: 0}
+  xCoord: 0
+  yCoord: 0
   detail: 1
   color: 1
   stackedBelow: 0
@@ -90,8 +93,8 @@ SpriteRenderer:
   m_AutoUVMaxDistance: 0.5
   m_AutoUVMaxAngle: 89
   m_LightmapParameters: {fileID: 0}
-  m_SortingLayerID: 0
+  m_SortingLayerID: 662872267
-  m_SortingLayer: 0
+  m_SortingLayer: 4
   m_SortingOrder: 0
   m_Sprite: {fileID: -6936698821596298334, guid: ba7046a7d637abc4ba486e3e9e4fcfd3,
     type: 3}