80 lines
2.3 KiB
Java
80 lines
2.3 KiB
Java
package com.github.dtschust.zork.objects;
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import com.github.dtschust.zork.ZorkGame;
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import com.github.dtschust.zork.ZorkTrigger;
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import com.github.dtschust.zork.types.HasSetOfCollectable;
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import com.github.dtschust.zork.types.Triggerable;
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import java.util.*;
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import static com.github.dtschust.zork.objects.ZorkObjectTypes.ITEM;
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/* Container*/
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public class ZorkContainer extends ZorkObject implements HasSetOfCollectable {
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private final Set<String> items;
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private final List<String> accepts;
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private boolean open;
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public ZorkContainer(final String name,
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final String description,
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final String status,
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final Collection<String> items,
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final Collection<String> accepts,
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final Collection<ZorkTrigger> triggers) {
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super(name, description, status, triggers);
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// If a container has an accepts attribute, then it is always open
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this.open = !accepts.isEmpty();
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this.items = new HashSet<>(items);
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this.accepts = new ArrayList<>(accepts);
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}
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public String getContents() {
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if (this.items.isEmpty()) {
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return getName() + " is empty";
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} else {
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return getName() + " contains " + String.join(", ", items) + ".";
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}
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}
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public void addItem(final String item) {
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this.items.add(item);
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}
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public void removeItem(final String item) {
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this.items.remove(item);
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}
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public boolean containsItem(final String item) {
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return this.items.contains(item);
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}
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public Iterable<String> items() {
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return Collections.unmodifiableSet(items);
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}
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public boolean isOpen() {
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return open;
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}
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public void open() {
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open = true;
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}
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@Override
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public Set<String> getSetFromType(ZorkObjectTypes type) {
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if (type.equals(ITEM))
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return items;
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throw new IllegalStateException("Unexpected value: " + type);
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}
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public List<String> getAccepts() {
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return Collections.unmodifiableList(accepts);
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}
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@Override
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public boolean evaluateTriggers(ZorkGame game, String input) {
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final boolean itemsEvaluation = Triggerable.evaluateTriggerCollection(items, ITEM, game, input);
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return super.evaluateTriggers(game, input) || itemsEvaluation;
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}
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}
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