feat(plugin): set lastMove of GameState

Author: xeruf

plugin/src/main/sc/plugin2022/GameState.kt

@@ -30,6 +30,7 @@ data class GameState @JvmOverloads constructor(
     fun performMove(move: Move) {
         ambers[currentTeam as Team] = (ambers[currentTeam] ?: 0) +
                                       board.movePiece(move)
+        lastMove = move
         turn++
     }
 

plugin/src/main/sc/plugin2022/Move.kt

@@ -12,6 +12,8 @@ data class Move(
     val delta: Vector
         get() = destination - start
 
+    fun reverse() = Move(destination, start)
+    
     override fun toString(): String = "Zug von $start zu $destination"
 
     /** Compares the Moves based on their length ([delta]). */