Citizens2/src/main/java/net/citizensnpcs/npc/CitizensTraitManager.java

116 lines
4.5 KiB
Java

package net.citizensnpcs.npc;
import java.lang.reflect.Constructor;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import net.citizensnpcs.api.npc.NPC;
import net.citizensnpcs.api.trait.Trait;
import net.citizensnpcs.api.trait.TraitFactory;
import net.citizensnpcs.api.trait.TraitManager;
import net.citizensnpcs.api.trait.trait.Equipment;
import net.citizensnpcs.api.trait.trait.Inventory;
import net.citizensnpcs.api.trait.trait.MobType;
import net.citizensnpcs.api.trait.trait.Owner;
import net.citizensnpcs.api.trait.trait.Spawned;
import net.citizensnpcs.trait.Age;
import net.citizensnpcs.trait.CurrentLocation;
import net.citizensnpcs.trait.LookClose;
import net.citizensnpcs.trait.Powered;
import net.citizensnpcs.trait.Saddle;
import net.citizensnpcs.trait.Sheared;
import net.citizensnpcs.trait.VillagerProfession;
import net.citizensnpcs.trait.WoolColor;
import net.citizensnpcs.trait.text.Text;
import net.citizensnpcs.trait.waypoint.Waypoints;
public class CitizensTraitManager implements TraitManager {
private final Map<String, Class<? extends Trait>> registered = new HashMap<String, Class<? extends Trait>>();
private final Map<Class<? extends Trait>, Constructor<? extends Trait>> CACHED_CTORS = new HashMap<Class<? extends Trait>, Constructor<? extends Trait>>();
public CitizensTraitManager() {
// Register Citizens traits
registerTrait(new TraitFactory(Age.class).withName("age"));
registerTrait(new TraitFactory(CurrentLocation.class).withName("location"));
registerTrait(new TraitFactory(Equipment.class).withName("equipment"));
registerTrait(new TraitFactory(Inventory.class).withName("inventory"));
registerTrait(new TraitFactory(LookClose.class).withName("look-close"));
registerTrait(new TraitFactory(MobType.class).withName("type"));
registerTrait(new TraitFactory(Owner.class).withName("owner"));
registerTrait(new TraitFactory(Powered.class).withName("powered"));
registerTrait(new TraitFactory(Saddle.class).withName("saddle"));
registerTrait(new TraitFactory(Sheared.class).withName("sheared"));
registerTrait(new TraitFactory(Spawned.class).withName("spawned"));
registerTrait(new TraitFactory(Text.class).withName("text"));
registerTrait(new TraitFactory(VillagerProfession.class).withName("profession"));
registerTrait(new TraitFactory(Waypoints.class).withName("waypoints"));
registerTrait(new TraitFactory(WoolColor.class).withName("wool-color"));
}
@Override
public <T extends Trait> T getTrait(Class<T> clazz) {
return getTrait(clazz, null);
}
@SuppressWarnings("unchecked")
@Override
public <T extends Trait> T getTrait(String name) {
if (!registered.containsKey(name))
return null;
return (T) create(registered.get(name), null);
}
@Override
public void registerTrait(TraitFactory factory) {
registered.put(factory.getName(), factory.getTraitClass());
}
@SuppressWarnings("unchecked")
public <T extends Trait> T getTrait(Class<T> clazz, NPC npc) {
for (Entry<String, Class<? extends Trait>> entry : registered.entrySet()) {
if (!entry.getValue().equals(clazz))
continue;
Trait t = create(entry.getValue(), npc);
t.setName(entry.getKey());
return (T) t;
}
return null;
}
@SuppressWarnings("unchecked")
public <T extends Trait> T getTrait(String name, NPC npc) {
// TODO: we could replace NPC with Object... and search for the
// constructor
Class<? extends Trait> clazz = registered.get(name);
if (clazz == null)
return null;
Trait t = getTrait(clazz, npc);
return (T) t;
}
@SuppressWarnings("unchecked")
private <T extends Trait> T create(Class<T> trait, NPC npc) {
Constructor<? extends Trait> constructor;
if (!CACHED_CTORS.containsKey(trait)) {
try {
constructor = trait.getConstructor(NPC.class);
constructor.setAccessible(true);
} catch (Exception ex) {
constructor = null;
}
CACHED_CTORS.put(trait, constructor);
} else
constructor = CACHED_CTORS.get(trait);
try {
if (constructor == null || npc == null)
return trait.newInstance();
return (T) constructor.newInstance(npc);
} catch (Exception ex) {
ex.printStackTrace();
return null;
}
}
}