task8: Added initial code
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@ -215,10 +215,126 @@ public class BlueLagoon {
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* @param stateString a string representing a game state
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* @return a set of strings representing all moves the current player can play
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*/
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public static Set<String> generateAllValidMoves(String stateString){
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return new HashSet<>(); // FIXME Task 8
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public static Set<String> generateAllValidMoves(String stateString) {
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// Get number of players
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int numPlayers = Character.getNumericValue(stateString.charAt(stateString.indexOf(";") - 1));
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// Store the current game phase
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int gamePhase = 0;
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// If the game is not in the exploration phase use state 1
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if (!stateString.contains("E")) gamePhase = 1;
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// Get the current player
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int currentPlayer = Character.getNumericValue(stateString.charAt(stateString.indexOf("c ") + 2));
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// Get the board size
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int boardHeight = Integer.parseInt(stateString.substring(stateString.indexOf("a ") + 2, stateString.indexOf(";") - 2));
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// Get player data
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String allPlayerData = stateString.substring(stateString.indexOf("p " + currentPlayer));
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String playerData = allPlayerData.substring(0, allPlayerData.indexOf(";"));
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// Get placed pieces
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String settlersPlaced = playerData.substring(playerData.indexOf("S") + 2, playerData.indexOf("T"));
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int numSettlersPlaced = settlersPlaced.split(" ").length;
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if (!settlersPlaced.contains(" ")){
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numSettlersPlaced = 0;
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}
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String villagesPlaced = playerData.substring(playerData.indexOf("T")+1);
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int numVillagesPlaced = villagesPlaced.split(" ").length;
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if (!villagesPlaced.contains(" ")){
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numVillagesPlaced = 0;
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}
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// Calculate number of pieces each player starts with
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int startNumSettlers = 0;
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switch (numPlayers) {
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case 2:
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startNumSettlers = 30;
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break;
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case 3:
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startNumSettlers = 25;
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break;
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case 4:
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startNumSettlers = 20;
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break;
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}
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// Check if the player has placed all their settlers or villages
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boolean hasSettler = (numSettlersPlaced < startNumSettlers);
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boolean hasVillage = (numVillagesPlaced < 5);
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// Create a set to store all possible moves
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Set<String> allMoves = new HashSet<>();
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// If the player has placed all their settlers and villages
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if (!hasSettler && !hasVillage){
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return allMoves;
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}
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// Generate all possible coordinates in an array
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String[] coordinates = new String[boardHeight * boardHeight];
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int index = 0;
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for (int i = 0; i < boardHeight; i++){
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for (int j = 0; j < boardHeight; j++){
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coordinates[index] = j + "," + i;
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index++;
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}
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}
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// For each coordinate
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for (String cord:coordinates) {
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// If the player has not placed all their settlers
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if (hasSettler && gamePhase == 0) {
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// Generate all possible settler moves
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// If the coordinate is not occupied and is water
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if (!stateString.contains(" " + cord + " ")) {
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if (cord.equals("0,12")){
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System.out.println("1");
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}
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allMoves.add("S " + cord);
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}
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}
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// If the coordinate is not occupied
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if (!allPlayerData.contains(" " + cord + " ")) {
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// if the coordinate is adjacent to one of the player's pieces
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int firstCord = Integer.parseInt(cord.substring(0, cord.indexOf(",")));
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int secondCord = Integer.parseInt(cord.substring(cord.indexOf(",") + 1));
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if (playerData.contains(" " + (firstCord - 1) + "," + (secondCord + 1) + " ") ||
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playerData.contains(" " + (firstCord + 1) + "," + (secondCord + 1) + " ") ||
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playerData.contains(" " + (firstCord - 1) + "," + (secondCord - 1) + " ") ||
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playerData.contains(" " + (firstCord + 1) + "," + (secondCord - 1) + " ")) {
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if (cord.equals("0,12")){
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System.out.println("2");
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}
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if (hasSettler){
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allMoves.add("S " + cord);
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}
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if (hasVillage) {
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allMoves.add("T " + cord);
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}
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}
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}
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}
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return allMoves; //! Test when Task 7 is done
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}
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/**
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* Given a state string, determine whether it represents an end of phase state.
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* <p>
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