From f7d1758b280775a86fc9b4d705184fa1876bf158 Mon Sep 17 00:00:00 2001
From: kske <kai@kske.dev>
Date: Mon, 28 Oct 2019 18:31:18 +0100
Subject: [PATCH] Implemented 'position moves' command in UCI protocol

---
 src/dev/kske/chess/uci/UCIHandle.java | 76 +++++++++++----------------
 1 file changed, 30 insertions(+), 46 deletions(-)

diff --git a/src/dev/kske/chess/uci/UCIHandle.java b/src/dev/kske/chess/uci/UCIHandle.java
index c810166..a2b8f53 100644
--- a/src/dev/kske/chess/uci/UCIHandle.java
+++ b/src/dev/kske/chess/uci/UCIHandle.java
@@ -2,6 +2,10 @@ package dev.kske.chess.uci;
 
 import java.io.IOException;
 import java.io.PrintWriter;
+import java.util.List;
+import java.util.StringJoiner;
+
+import dev.kske.chess.board.Move;
 
 /**
  * Project: <strong>Chess</strong><br>
@@ -31,34 +35,26 @@ public class UCIHandle {
 	/**
 	 * Tells the engine to use UCI.
 	 */
-	public void uci() {
-		out.println("uci");
-	}
+	public void uci() { out.println("uci"); }
 
 	/**
 	 * Switches the debug mode of the engine on or off.
 	 * 
 	 * @param debug Enables debugging if set to {@code true}, disables it otherwise
 	 */
-	public void debug(boolean debug) {
-		out.println("debug " + (debug ? "on" : "off"));
-	}
+	public void debug(boolean debug) { out.println("debug " + (debug ? "on" : "off")); }
 
 	/**
 	 * Synchronized the engine with the GUI
 	 */
-	public void isready() {
-		out.println("isready");
-	}
+	public void isready() { out.println("isready"); }
 
 	/**
 	 * Signifies a button press to the engine.
 	 * 
 	 * @param name The name of the button
 	 */
-	public void setOption(String name) {
-		out.println("setoption name " + name);
-	}
+	public void setOption(String name) { out.println("setoption name " + name); }
 
 	/**
 	 * Changes an internal parameter of the engine.
@@ -66,9 +62,7 @@ public class UCIHandle {
 	 * @param name  The name of the parameter
 	 * @param value The value of the parameter
 	 */
-	public void setOption(String name, String value) {
-		out.printf("setoption name %s value %s%n", name, value);
-	}
+	public void setOption(String name, String value) { out.printf("setoption name %s value %s%n", name, value); }
 
 	/**
 	 * Registers the engine
@@ -76,70 +70,60 @@ public class UCIHandle {
 	 * @param name The name the engine should be registered with
 	 * @param code The code the engine should be registered with
 	 */
-	public void register(String name, String code) {
-		out.printf("register %s %s%n", name, code);
-	}
+	public void register(String name, String code) { out.printf("register %s %s%n", name, code); }
 
 	/**
 	 * Tells the engine to postpone the registration.
 	 */
-	public void registerLater() {
-		out.println("register later");
-	}
+	public void registerLater() { out.println("register later"); }
 
 	/**
 	 * Tells the engine that the next search will be from a different game.
 	 */
-	public void uciNewGame() {
-		out.println("ucinewgame");
-	}
-
-	// TODO: position
+	public void uciNewGame() { out.println("ucinewgame"); }
 
 	/**
 	 * Sets up the position in its initial state.
 	 */
-	public void startPosition() {
-		out.println("position startpos");
-	}
+	public void positionStartpos() { out.println("position startpos"); }
 
 	/**
 	 * Sets up the position described in the FEN string.
 	 * 
 	 * @param fen FEN representation of the current board
 	 */
-	public void positionFEN(String fen) {
-		out.println("position fen " + fen);
+	public void positionFEN(String fen) { out.println("position fen " + fen); }
+
+	/**
+	 * Sets up the position described by a list of moves.
+	 * 
+	 * @param moves the moves to execute from the starting position to reach the
+	 *              desired position
+	 */
+	public void positionMoves(List<Move> moves) {
+		StringJoiner joiner = new StringJoiner(" ");
+		moves.forEach(m -> joiner.add(m.toLAN()));
+		out.println("position moves " + joiner.toString());
 	}
 
 	// TODO: go with parameters
 
-	public void go() {
-		out.println("go");
-	}
+	public void go() { out.println("go"); }
 
 	/**
 	 * Stops calculation as soon as possible.
 	 */
-	public void stop() {
-		out.println("stop");
-	}
+	public void stop() { out.println("stop"); }
 
 	/**
 	 * Tells the engine that the user has played the expected move.
 	 */
-	public void ponderHit() {
-		out.println("ponderhit");
-	}
+	public void ponderHit() { out.println("ponderhit"); }
 
 	/**
 	 * Quits the engine process as soon as possible.
 	 */
-	public void quit() {
-		out.println("quit");
-	}
+	public void quit() { out.println("quit"); }
 
-	public void setListener(UCIListener listener) {
-		receiver.addListener(listener);
-	}
+	public void setListener(UCIListener listener) { receiver.addListener(listener); }
 }