This repository has been archived on 2022-12-21. You can view files and clone it, but cannot push or open issues or pull requests.
sdm03/src/main/java/com/github/dtschust/zork/repl/actions/TurnOnAction.java

37 lines
1.0 KiB
Java

package com.github.dtschust.zork.repl.actions;
import com.github.dtschust.zork.ZorkGame;
import com.github.dtschust.zork.repl.Action;
import java.util.List;
import java.util.Optional;
/**
* Turn on an item
*/
public class TurnOnAction implements Action {
@Override
public boolean matchesInput(List<String> arguments) {
return arguments.get(0).equals("turn") && arguments.get(1).equals("on");
}
@Override
public int getMinimumArgCount() {
return 3;
}
@Override
public boolean run(ZorkGame game, List<String> arguments) {
final String what = arguments.get(2);
final boolean inInventory = game.inventory.contains(what);
return Optional.ofNullable(inInventory ? what : null)
.flatMap(game::getItem)
.map(i -> {
game.stream.println("You activate the " + i.getName() + ".");
i.printAndExecuteActions(game);
return true;
}).orElse(false);
}
}