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93 lines
2.2 KiB
93 lines
2.2 KiB
package mightypork.rogue.world.entity;
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import java.io.IOException;
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import java.util.Collection;
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import mightypork.rogue.world.entity.impl.EntityBossRat;
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import mightypork.rogue.world.entity.impl.EntityBrownRat;
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import mightypork.rogue.world.entity.impl.EntityGrayRat;
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import mightypork.rogue.world.entity.impl.EntityPlayer;
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import mightypork.utils.ion.IonInput;
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import mightypork.utils.ion.IonOutput;
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/**
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* Entity registry
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*
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* @author Ondřej Hruška (MightyPork)
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*/
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public final class Entities {
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private static final EntityModel[] entities = new EntityModel[256];
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public static final EntityModel PLAYER = new EntityModel(1, EntityPlayer.class);
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public static final EntityModel RAT_GRAY = new EntityModel(2, EntityGrayRat.class);
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public static final EntityModel RAT_BROWN = new EntityModel(3, EntityBrownRat.class);
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public static final EntityModel RAT_BOSS = new EntityModel(4, EntityBossRat.class);
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public static void register(int id, EntityModel model)
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{
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if (id < 0 || id >= entities.length) {
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throw new IllegalArgumentException("Entity model ID " + id + " is out of range.");
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}
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if (entities[id] != null) {
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throw new IllegalArgumentException("Entity model ID " + id + " already in use.");
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}
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entities[id] = model;
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}
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public static EntityModel get(int id)
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{
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final EntityModel e = entities[id];
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if (e == null) {
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throw new IllegalArgumentException("No entity model with ID " + id + ".");
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}
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return e;
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}
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public static void loadEntities(IonInput in, Collection<Entity> entities) throws IOException
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{
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entities.clear();
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while (in.hasNextEntry()) {
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entities.add(loadEntity(in));
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}
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}
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public static void saveEntities(IonOutput out, Collection<Entity> entities) throws IOException
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{
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for (final Entity entity : entities) {
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out.startEntry();
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saveEntity(out, entity);
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}
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out.endSequence();
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}
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public static Entity loadEntity(IonInput in) throws IOException
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{
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final int id = in.readIntByte();
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final EntityModel model = get(id);
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return model.loadEntity(in);
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}
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public static void saveEntity(IonOutput out, Entity entity) throws IOException
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{
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final EntityModel model = entity.getModel();
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out.writeIntByte(model.id);
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model.saveEntity(out, entity);
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}
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}
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