arnekeller/kit-programmieren-ws1920-final2
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Arne Keller 2020-03-17 12:03:19 +01:00
parent 29a36ce1aa
commit 477b45c42b
14 changed files with 90 additions and 61 deletions
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8
src/edu/kit/informatik/cardgame/Main.java
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@ -2,6 +2,12 @@ package edu.kit.informatik.cardgame;
import edu.kit.informatik.cardgame.ui.CommandLine;
/**
* Main program class.
*
* @author Arne Keller
* @version 1.0
*/
public final class Main {
/**
* Utility class -> private constructor.
@ -13,7 +19,7 @@ public final class Main {
/**
* Program entry point.
*
* @param args command-line arguments
* @param args command-line arguments (will be ignored)
*/
public static void main(String[] args) {
CommandLine.startInteractive();

17
src/edu/kit/informatik/cardgame/model/Card.java
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@ -39,6 +39,11 @@ public enum Card implements RequireDice {
*/
THUNDERSTORM;
/**
* Get the category of this card.
*
* @return category of this card
*/
public CardCategory category() {
switch (this) {
case WOOD:
@ -84,6 +89,11 @@ public enum Card implements RequireDice {
}
}
/**
* Get the number of cards of this type needed in a stack.
*
* @return amount of cards needed in a card deck
*/
public int requiredAmount() {
switch (this) {
case WOOD:
@ -101,6 +111,13 @@ public enum Card implements RequireDice {
}
}
/**
* Parse a single word and return the card represented by the input.
* Fun fact: Card.parse(card.toString()) == card is true for all cards.
*
* @param input text
* @return card object (null if input invalid)
*/
public static Card parse(String input) {
switch (input) {
case "wood":

7
src/edu/kit/informatik/cardgame/model/CardGame.java
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@ -33,11 +33,14 @@ public class CardGame {
* Items built by the player.
*/
private final List<Item> items = new ArrayList<>();
private RequireDice requireDice = null;
/**
* Current game phase.
*/
private Phase phase = null;
private Phase phase;
/**
* Object currently requiring dice roll.
*/
private RequireDice requireDice;
/**
* Start a new game with the specified stack of cards.

15
src/edu/kit/informatik/cardgame/model/RequireDice.java
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@ -2,14 +2,25 @@ package edu.kit.informatik.cardgame.model;
import java.util.Optional;
/**
* Objects of classes implementing this optionally require a dice to be rolled.
*
* @author Arne Keller
* @version 1.0
*/
public interface RequireDice {
/**
* Get the size of the dice needed to activate this object.
*
* @return dice size needed to use this item (empty if dice not required)
*/
Optional<Integer> diceSizeNeeded();
/**
* Get the minimum dice roll needed to activate this object if it needs a dice roll.
* Get the minimum dice roll needed to activate this object.
*
* @return minimum dice roll needed to use this item
* @return minimum dice roll needed to use this item (empty if dice not required)
*/
Optional<Integer> minimumDiceRollNeeded();
}

11
src/edu/kit/informatik/cardgame/ui/CommandLine.java
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@ -6,9 +6,6 @@ import edu.kit.informatik.cardgame.ui.command.Command;
import edu.kit.informatik.cardgame.ui.command.CommandFactory;
import edu.kit.informatik.Terminal;
import java.util.StringJoiner;
import java.util.stream.IntStream;
/**
* Interactive game runner, gets user inputs and processes commands specified.
*
@ -35,10 +32,11 @@ public final class CommandLine {
// create a new simulation
CardGame simulation = new CardGame();
boolean lost = false;
// accept user input indefinitely
while (true) {
String input = Terminal.readLine();
// handle quit command
if (input.startsWith(QUIT)) {
if (input.length() != QUIT.length()) {
Terminal.printError("input after quit command");
@ -49,19 +47,20 @@ public final class CommandLine {
}
final Command command;
// attempt to parse user input
try {
command = CommandFactory.getCommand(input);
} catch (NumberFormatException | InvalidInputException e) {
Terminal.printError(e.getMessage());
continue;
}
// attempt to execute command
try {
command.apply(simulation);
} catch (LogicException e) {
Terminal.printError(e.getMessage());
}
// inform the player if he lost
if (lost != simulation.gameLost() && simulation.gameLost()) {
Terminal.printLine("lost");
}

7
src/edu/kit/informatik/cardgame/ui/command/Build.java
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@ -9,9 +9,8 @@ import edu.kit.informatik.cardgame.ui.InvalidInputException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import static edu.kit.informatik.cardgame.ui.command.CommandFactory.BUILD;
public final class Build extends Command {
public static final String NAME = "build";
private static final Pattern BUILD_ARGUMENT = Pattern.compile(" (\\w+)");
private Item item;
@ -28,10 +27,10 @@ public final class Build extends Command {
@Override
public void parse(String input) throws InvalidInputException {
if (input == null || !input.startsWith(BUILD)) {
if (input == null || !input.startsWith(NAME)) {
throw new InvalidInputException("unknown command");
}
final Matcher matcher = Build.BUILD_ARGUMENT.matcher(input.substring(BUILD.length()));
final Matcher matcher = Build.BUILD_ARGUMENT.matcher(input.substring(NAME.length()));
if (!matcher.matches()) {
throw new InvalidInputException("invalid build command");
}

8
src/edu/kit/informatik/cardgame/ui/command/Buildable.java
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@ -9,9 +9,9 @@ import edu.kit.informatik.cardgame.ui.InvalidInputException;
import java.util.Comparator;
import java.util.Set;
import static edu.kit.informatik.cardgame.ui.command.CommandFactory.BUILDABLE;
public final class Buildable extends Command {
public static final String NAME = "build?";
@Override
public void apply(CardGame game) throws LogicException {
final Set<Item> buildable = game.getBuildableItems();
@ -24,10 +24,10 @@ public final class Buildable extends Command {
@Override
public void parse(String input) throws InvalidInputException {
if (input == null || !input.startsWith(BUILDABLE)) {
if (input == null || !input.startsWith(NAME)) {
throw new InvalidInputException("unknown command");
}
if (!input.equals(BUILDABLE)) {
if (!input.equals(NAME)) {
throw new InvalidInputException("invalid build? argument: none expected");
}
}

36
src/edu/kit/informatik/cardgame/ui/command/CommandFactory.java
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@ -2,7 +2,6 @@ package edu.kit.informatik.cardgame.ui.command;
import edu.kit.informatik.cardgame.ui.InvalidInputException;
import java.util.Map;
import java.util.TreeMap;
import java.util.function.Supplier;
@ -10,30 +9,24 @@ import java.util.function.Supplier;
* Factory used to parse user input into commands.
*
* @author Arne Keller
* @version 1.1
* @version 1.2
*/
public final class CommandFactory {
public static final String START = "start";
public static final String DRAW = "draw";
public static final String LIST_RESOURCES = "list-resources";
public static final String BUILD = "build";
public static final String LIST_BUILDINGS = "list-buildings";
public static final String BUILDABLE = "build?";
public static final String ROLL_DICE = "rollD";
public static final String RESET = "reset";
/**
* Collection of command suppliers keyed by their respective command name.
*/
private static final TreeMap<String, Supplier<Command>> COMMANDS = new TreeMap<>();
static {
// initialize registered commands
COMMANDS.put(START, Start::new);
COMMANDS.put(DRAW, Draw::new);
COMMANDS.put(LIST_RESOURCES, ListResources::new);
COMMANDS.put(BUILD, Build::new);
COMMANDS.put(LIST_BUILDINGS, ListBuildings::new);
COMMANDS.put(BUILDABLE, Buildable::new);
COMMANDS.put(ROLL_DICE, RollDice::new);
COMMANDS.put(RESET, Reset::new);
COMMANDS.put(Start.NAME, Start::new);
COMMANDS.put(Draw.NAME, Draw::new);
COMMANDS.put(ListResources.NAME, ListResources::new);
COMMANDS.put(Build.NAME, Build::new);
COMMANDS.put(ListBuildings.NAME, ListBuildings::new);
COMMANDS.put(Buildable.NAME, Buildable::new);
COMMANDS.put(RollDice.NAME, RollDice::new);
COMMANDS.put(Reset.NAME, Reset::new);
}
/**
@ -50,13 +43,14 @@ public final class CommandFactory {
* @throws InvalidInputException if user input is invalid
*/
public static Command getCommand(String input) throws InvalidInputException {
Supplier<Command> commandSupplier = COMMANDS
final Supplier<Command> commandSupplier = COMMANDS
// match longest prefix
.descendingKeySet().stream()
.filter(input::startsWith)
.map(COMMANDS::get)
.findFirst().orElse(null);
if (commandSupplier != null) {
Command command = commandSupplier.get();
final Command command = commandSupplier.get();
command.parse(input);
return command;
} else {

8
src/edu/kit/informatik/cardgame/ui/command/Draw.java
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@ -5,9 +5,9 @@ import edu.kit.informatik.cardgame.model.CardGame;
import edu.kit.informatik.cardgame.model.LogicException;
import edu.kit.informatik.cardgame.ui.InvalidInputException;
import static edu.kit.informatik.cardgame.ui.command.CommandFactory.DRAW;
public final class Draw extends Command {
public static final String NAME = "draw";
@Override
public void apply(CardGame game) throws LogicException {
Terminal.printLine(game.draw());
@ -15,10 +15,10 @@ public final class Draw extends Command {
@Override
public void parse(String input) throws InvalidInputException {
if (input == null || !input.startsWith(DRAW)) {
if (input == null || !input.startsWith(NAME)) {
throw new InvalidInputException("unknown command");
}
if (!input.equals(DRAW)) {
if (!input.equals(NAME)) {
throw new InvalidInputException("invalid draw argument: none expected");
}
}

8
src/edu/kit/informatik/cardgame/ui/command/ListBuildings.java
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@ -8,9 +8,9 @@ import edu.kit.informatik.cardgame.ui.InvalidInputException;
import java.util.List;
import static edu.kit.informatik.cardgame.ui.command.CommandFactory.LIST_BUILDINGS;
public final class ListBuildings extends Command {
public static final String NAME = "list-buildings";
@Override
public void apply(CardGame game) throws LogicException {
List<Item> items = game.getItems();
@ -25,10 +25,10 @@ public final class ListBuildings extends Command {
@Override
public void parse(String input) throws InvalidInputException {
if (input == null || !input.startsWith(LIST_BUILDINGS)) {
if (input == null || !input.startsWith(NAME)) {
throw new InvalidInputException("unknown command");
}
if (!input.equals(LIST_BUILDINGS)) {
if (!input.equals(NAME)) {
throw new InvalidInputException("invalid list-buildings argument: none expected");
}
}

8
src/edu/kit/informatik/cardgame/ui/command/ListResources.java
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@ -8,9 +8,9 @@ import edu.kit.informatik.cardgame.ui.InvalidInputException;
import java.util.Deque;
import static edu.kit.informatik.cardgame.ui.command.CommandFactory.LIST_RESOURCES;
public final class ListResources extends Command {
public static final String NAME = "list-resources";
@Override
public void apply(CardGame game) throws LogicException {
Deque<Card> resources = game.getResources();
@ -23,10 +23,10 @@ public final class ListResources extends Command {
@Override
public void parse(String input) throws InvalidInputException {
if (input == null || !input.startsWith(LIST_RESOURCES)) {
if (input == null || !input.startsWith(NAME)) {
throw new InvalidInputException("unknown command");
}
if (!input.equals(LIST_RESOURCES)) {
if (!input.equals(NAME)) {
throw new InvalidInputException("invalid list-resources argument: none expected");
}
}

8
src/edu/kit/informatik/cardgame/ui/command/Reset.java
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@ -5,9 +5,9 @@ import edu.kit.informatik.cardgame.model.CardGame;
import edu.kit.informatik.cardgame.model.LogicException;
import edu.kit.informatik.cardgame.ui.InvalidInputException;
import static edu.kit.informatik.cardgame.ui.command.CommandFactory.RESET;
public final class Reset extends Command {
public static final String NAME = "reset";
@Override
public void apply(CardGame game) throws LogicException {
game.reset();
@ -16,10 +16,10 @@ public final class Reset extends Command {
@Override
public void parse(String input) throws InvalidInputException {
if (input == null || !input.startsWith(RESET)) {
if (input == null || !input.startsWith(NAME)) {
throw new InvalidInputException("unknown command");
}
if (!input.equals(RESET)) {
if (!input.equals(NAME)) {
throw new InvalidInputException("invalid reset argument: none expected");
}
}

7
src/edu/kit/informatik/cardgame/ui/command/RollDice.java
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@ -8,10 +8,9 @@ import edu.kit.informatik.cardgame.ui.InvalidInputException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import static edu.kit.informatik.cardgame.ui.command.CommandFactory.ROLL_DICE;
public final class RollDice extends Command {
private static final Pattern ROLL_DICE_ARGUMENTS = Pattern.compile(ROLL_DICE + "\\+?(\\d+) \\+?(\\d+)");
public static final String NAME = "rollD";
private static final Pattern ROLL_DICE_ARGUMENTS = Pattern.compile(NAME + "\\+?(\\d+) \\+?(\\d+)");
private int size;
@ -24,7 +23,7 @@ public final class RollDice extends Command {
@Override
public void parse(String input) throws InvalidInputException {
if (input == null || !input.startsWith(ROLL_DICE)) {
if (input == null || !input.startsWith(NAME)) {
throw new InvalidInputException("unknown command");
}
final Matcher matcher = ROLL_DICE_ARGUMENTS.matcher(input);

3
src/edu/kit/informatik/cardgame/ui/command/Start.java
View File

@ -12,6 +12,7 @@ import java.util.regex.Matcher;
import java.util.regex.Pattern;
public final class Start extends Command {
public static final String NAME = "start";
private static final Pattern START_ARGUMENTS = Pattern.compile("start ((\\w+,){63}(\\w+))");
private Deque<Card> cards;
@ -27,7 +28,7 @@ public final class Start extends Command {
@Override
public void parse(String input) throws InvalidInputException {
if (input == null || !input.startsWith(CommandFactory.START)) {
if (input == null || !input.startsWith(NAME)) {
throw new InvalidInputException("unknown command");
}
final Matcher matcher = START_ARGUMENTS.matcher(input);