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75 lines
1.4 KiB
75 lines
1.4 KiB
package mightypork.rogue.world.entity;
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import java.io.IOException;
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import mightypork.rogue.world.World;
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import mightypork.utils.ion.IonDataBundle;
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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 model - builder
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*
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* @author Ondřej Hruška (MightyPork)
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*/
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public final class EntityModel {
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/** Model ID */
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public final int id;
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public final Class<? extends Entity> tileClass;
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public EntityModel(int id, Class<? extends Entity> entity)
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{
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Entities.register(id, this);
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this.id = id;
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this.tileClass = entity;
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}
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public Entity createEntity(World world)
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{
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return createEntity(world.getNewEID());
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}
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public Entity createEntity(int eid)
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{
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try {
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return tileClass.getConstructor(EntityModel.class, int.class).newInstance(this, eid);
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} catch (final Exception e) {
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throw new RuntimeException("Could not instantiate a tile.", e);
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}
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}
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/**
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* Create entitiy without EID. EID will be assigned when the entity is added
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* to a level.
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*
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* @return entity.
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*/
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public Entity createEntity()
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{
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return createEntity(-1);
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}
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public Entity loadEntity(IonInput in) throws IOException
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{
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final IonDataBundle bundle = in.readBundle();
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final Entity ent = createEntity(-1);
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ent.load(bundle);
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return ent;
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}
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public void saveEntity(IonOutput out, Entity entity) throws IOException
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{
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final IonDataBundle bundle = new IonDataBundle();
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entity.save(bundle);
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out.writeBundle(bundle);
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}
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}
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