AI

Assets/Playtest.unity.meta

@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: c77b807962276e44693a3cd50bf4a8e6
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Texel/AdditiveLoadScene.cs

@@ -0,0 +1,18 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class AdditiveLoadScene : MonoBehaviour
+{
+    // Start is called before the first frame update
+    void Start()
+    {
+        
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        
+    }
+}

Assets/Texel/AdditiveLoadScene.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 38488c7df686c5f4b84695bb26ac357a
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Texel/Gameplay/GameBoard.cs

@@ -48,6 +48,19 @@ public class GameBoard : EntityBase, IAutoSerialize, IAutoDeserialize {
 	[ReadOnly]
 	public float collapseCount;
 
+	[Header("AI Settings")]
+	[ReadOnly]
+	public float aiDowntime = 0f;
+	[Tooltip("Time it takes AI to think of move")]
+	public float aiThinkTime = 1f;
+	[Tooltip("Time it takes for AI to move between states")]
+	public float aiAdvanceTime = 0.2f;
+	[Tooltip("Time it takes for AI to move the cursor")]
+	public float aiCursorMoveDelay = 0.1f;
+
+	public AIPhase aiPhase = AIPhase.None;
+	public enum AIPhase { None, Thinking, LocationC, LocationB, LocationA, Drop }
+
 	void UpdateControls() {
 		// Scan the board for tile activations	
 		board = board.Activate(out int activations);
@@ -60,19 +73,120 @@ public class GameBoard : EntityBase, IAutoSerialize, IAutoDeserialize {
 					board = board.BreakPending(this, true);
 					board = board.Collapse(out _);
 				}
-			} else {
+			}
+			else {
 				Collapse();
 				comboDelay = 1.5f; // Half second combo delay
 			}
-		} else {
+		}
+		else {
 			board = board.Collapse(out _);
+		}
 
-			if (controlledByPlayer) {
+		if (controlledByPlayer)
 			PlayerControls();
+
+		if (controlledByAI)
+			UpdateAI();
+	}
+
+
+	[ReadOnly]
+	public int aiX, aiY;
+
+	void UpdateAI() {
+		if (Recommended == null || !Recommended.isValid(board)) {
+			SolveRecommendedMove();
+			aiDowntime = aiThinkTime;
+			aiPhase = AIPhase.Thinking;
+			Debug.LogFormat("AI Move: {0},{1}", Recommended.location.x, Recommended.location.y);
+		}
+
+		aiDowntime -= Time.deltaTime;
+
+		if (aiDowntime < 0) {
+			if (aiPhase == AIPhase.Thinking) {
+				aiPhase = AIPhase.LocationC;
+				aiDowntime = aiAdvanceTime;
+				return;
+			}
+
+			if (aiPhase == AIPhase.LocationC) {
+				var dir = CursorTowards(Recommended.locationC);
+
+				(aiX, aiY) = Recommended.locationC;
+
+				// FIXME: AI Cheats by restacking
+				Current.first = MoveDir.None;
+				Current.second = MoveDir.None;
+
+				if (dir == MoveDir.None && comboDelay <= 0) {
+					aiPhase = AIPhase.LocationB;
+					aiDowntime = aiAdvanceTime;
+				}
+				else {
+					MoveCursor(dir);
+					aiDowntime = aiCursorMoveDelay;
+				}
+				return;
+			}
+
+			if (aiPhase == AIPhase.LocationB) {
+				var dir = CursorTowards(Recommended.locationB);
+				(aiX, aiY) = Recommended.locationB;
+
+				if (dir == MoveDir.None) {
+					aiPhase = AIPhase.LocationA;
+					aiDowntime = aiAdvanceTime;
+				}
+				else {
+					MoveCursor(dir);
+					aiDowntime = aiCursorMoveDelay;
+				}
+				return;
+			}
+
+			if (aiPhase == AIPhase.LocationA) {
+				var dir = CursorTowards(Recommended.location);
+				(aiX, aiY) = Recommended.location;
+
+				if (dir == MoveDir.None) {
+					aiPhase = AIPhase.Drop;
+					aiDowntime = aiAdvanceTime;
+				}
+				else {
+					MoveCursor(dir);
+					aiDowntime = aiCursorMoveDelay;
+				}
+				return;
+			}
+
+			if (aiPhase == AIPhase.Drop) {
+				Drop();
+				aiPhase = AIPhase.None;
+				Recommended = null;
+				aiDowntime = aiAdvanceTime;
 			}
 		}
 	}
 
+	public MoveDir CursorTowards((int x, int y) p) {
+		var (x, y) = p;
+
+		if (x < cursorX)
+			return MoveDir.Left;
+		if (x > cursorX)
+			return MoveDir.Right;
+
+		if (y > cursorY)
+			return MoveDir.Up;
+		if (y < cursorY)
+			return MoveDir.Down;
+
+		return MoveDir.None;
+
+	}
+
 	public void MoveCursor(MoveDir d) {
 		var (dx,dy) = d.ToPair();
 		cursorX += dx;
@@ -147,10 +261,47 @@ public class GameBoard : EntityBase, IAutoSerialize, IAutoDeserialize {
 	// AI Solver
 	[ContextMenu("Recommend Move")]
 	public void SolveRecommendedMove() {
+		// For test validation:
+		if (Current == null) {
+			TestBoard();
+		}
+
 		// First, create the sim board
 		var simBoard = board.SelfCopy();
 
 		ValidateMoves();
+
+		var Options = new List<(Move m, BoardState result, int activations)>();
+		foreach(var poss in PossibleMoves) {
+			// Create a move with our pieces and possible location
+			var potential = new Move() {
+				location = poss.location,
+				first = poss.first,
+				second = poss.second,
+				triplet = Current.triplet
+			};
+
+			// Skip illegal placements
+			if (!potential.isValid(simBoard)) continue;
+
+			var pBoard = simBoard.SelfCopy();
+			pBoard = pBoard.Place(potential);
+			pBoard = pBoard.SimulateRecursive(this, out int activations);
+
+			Options.Add((potential, pBoard, activations));
+		}
+
+		Debug.LogFormat("Evaluated {0} Moves.", Options.Count);
+
+		var ordered =
+			Options
+				.OrderByDescending(o => o.activations) // First Priority, total attack size\
+				.ThenBy(o => o.result.TallestStack()) // Lower columns
+				.ThenByDescending(o => o.result.PrimedStacks()) // Setup future attacks
+				.ThenByDescending(o => o.result.ExposedClusterSize()); // General bigness of moves
+				//.ThenBy(o => o.result.TallestStack()); // Lower columns
+
+		Recommended = ordered.FirstOrDefault().m;
 	}
 
 	static List<Move> PossibleMoves;
@@ -388,8 +539,12 @@ public class TileInfo {
 		return this;
 	}
 
-	public TileInfo SetPending() {
+	public TileInfo SetPending(bool pending = true) {
+		if (pending)
 			detail |= TileDetail.Pending;
+		else
+			detail = detail & ~TileDetail.Pending;
+		
 		return this;
 	}
 
@@ -477,6 +632,41 @@ public static class BoardLogic {
 		ts[row] = ti;
 	}
 
+	public static int PrimedStacks(this BoardState bs) {
+		int primedCount = 0;
+		foreach(var col in bs.state) {
+			var at = LowestAir(col);
+
+			if (at < 1) continue;
+
+			if (col[at].CombosWith(col[at - 1]))
+				primedCount += 1;
+		}
+
+		return primedCount;
+	}
+
+	public static int LowestAir(this TileStack ts) {
+		for(int y = 0; y < ts.Count; ++y) {
+			if (ts[y].isAir) return y;
+		}
+		return ts.Count;
+	}
+
+	public static int ExposedClusterSize(this BoardState bs) {
+		Cluster whole = new Cluster();
+
+		for(int x = 0; x < bs.state.Count; ++x) {
+			var col = bs[x];
+			var at = col.LowestAir();
+			if (at < 1) continue;
+
+			whole.AddRange(bs.Clusterize(x, at - 1));
+		}
+
+		return whole.Distinct().Count();
+	}
+
 	public static bool StackHasMatches(this TileStack ts) {
 		// Check up the length of the column for a match 3
 		for (int y = 0; y < ts.Count; ++y) {
@@ -666,6 +856,10 @@ public static class BoardLogic {
 
 		var (first, second, third) = m.triplet;
 
+		first.SetPending(false);
+		second.SetPending(false);
+		third.SetPending(false);
+
 		var (x, y) = m.location;
 		//Debug.LogFormat("Placing at {0},{1}", x, y);
 
@@ -864,7 +1058,7 @@ public class Move {
 			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;
+			if (loc.y > mY + 2) return false;
 		}
 
 		// Validate that the board positions are empty

ProjectSettings/EditorBuildSettings.asset

@@ -8,7 +8,10 @@ EditorBuildSettings:
   - enabled: 1
     path: Assets/Scenes/MainMenuScene.unity
     guid: 259302c6bbed6234a948cfc4202af8f6
-  - enabled: 1
+  - enabled: 0
     path: Assets/Scenes/PrototypeScene.unity
     guid: 22fd93c991ecfed42a89b618f6cb386b
+  - enabled: 1
+    path: Assets/Playtest.unity
+    guid: c77b807962276e44693a3cd50bf4a8e6
   m_configObjects: {}

ProjectSettings/GraphicsSettings.asset

@@ -3,7 +3,7 @@
 --- !u!30 &1
 GraphicsSettings:
   m_ObjectHideFlags: 0
-  serializedVersion: 12
+  serializedVersion: 13
   m_Deferred:
     m_Mode: 1
     m_Shader: {fileID: 69, guid: 0000000000000000f000000000000000, type: 0}
@@ -31,6 +31,9 @@ GraphicsSettings:
   m_AlwaysIncludedShaders:
   - {fileID: 10753, guid: 0000000000000000f000000000000000, type: 0}
   - {fileID: 10770, guid: 0000000000000000f000000000000000, type: 0}
+  - {fileID: 16000, guid: 0000000000000000f000000000000000, type: 0}
+  - {fileID: 16001, guid: 0000000000000000f000000000000000, type: 0}
+  - {fileID: 17000, guid: 0000000000000000f000000000000000, type: 0}
   m_PreloadedShaders: []
   m_SpritesDefaultMaterial: {fileID: 10754, guid: 0000000000000000f000000000000000,
     type: 0}
@@ -55,3 +58,5 @@ GraphicsSettings:
   m_AlbedoSwatchInfos: []
   m_LightsUseLinearIntensity: 0
   m_LightsUseColorTemperature: 0
+  m_LogWhenShaderIsCompiled: 0
+  m_AllowEnlightenSupportForUpgradedProject: 1