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SPIGOT-1916: Attribute modifiers for ItemStacks

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By: Senmori <thesenmori@gmail.com>
This commit is contained in:
Bukkit/Spigot
2018-09-21 20:41:38 +10:00
parent de810e161a
commit 253605061c
2 changed files with 168 additions and 3 deletions
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49
paper-api/src/main/java/org/bukkit/attribute/AttributeModifier.java
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@@ -5,6 +5,7 @@ import java.util.Map;
import java.util.UUID;
import org.apache.commons.lang.Validate;
import org.bukkit.configuration.serialization.ConfigurationSerializable;
import org.bukkit.inventory.EquipmentSlot;
import org.bukkit.util.NumberConversions;
/**
@@ -16,20 +17,25 @@ public class AttributeModifier implements ConfigurationSerializable {
private final String name;
private final double amount;
private final Operation operation;
private final EquipmentSlot slot;
public AttributeModifier(String name, double amount, Operation operation) {
this(UUID.randomUUID(), name, amount, operation);
}
public AttributeModifier(UUID uuid, String name, double amount, Operation operation) {
Validate.notNull(uuid, "uuid");
Validate.notEmpty(name, "Name cannot be empty");
Validate.notNull(operation, "operation");
this(uuid, name, amount, operation, null);
}
public AttributeModifier(UUID uuid, String name, double amount, Operation operation, EquipmentSlot slot) {
Validate.notNull(uuid, "UUID cannot be null");
Validate.notEmpty(name, "Name cannot be empty");
Validate.notNull(operation, "Operation cannot be null");
this.uuid = uuid;
this.name = name;
this.amount = amount;
this.operation = operation;
this.slot = slot;
}
/**
@@ -68,6 +74,16 @@ public class AttributeModifier implements ConfigurationSerializable {
return operation;
}
/**
* Get the {@link EquipmentSlot} this AttributeModifier is active on,
* or null if this modifier is applicable for any slot.
*
* @return the slot
*/
public EquipmentSlot getSlot() {
return slot;
}
@Override
public Map<String, Object> serialize() {
Map<String, Object> data = new HashMap<String, Object>();
@@ -75,10 +91,37 @@ public class AttributeModifier implements ConfigurationSerializable {
data.put("name", name);
data.put("operation", operation.ordinal());
data.put("amount", amount);
if (slot != null) {
data.put("slot", slot.name());
}
return data;
}
@Override
public boolean equals(Object other) {
if (!(other instanceof AttributeModifier)) {
return false;
}
AttributeModifier mod = (AttributeModifier) other;
boolean slots = (this.slot != null ? (this.slot == mod.slot) : mod.slot != null);
return this.uuid.equals(mod.uuid) && this.name.equals(mod.name) && this.amount == mod.amount && this.operation == mod.operation && slots;
}
@Override
public String toString() {
return "AttributeModifier{"
+ "uuid=" + this.uuid.toString()
+ ", name=" + this.name
+ ", operation=" + this.operation.name()
+ ", amount=" + this.amount
+ ", slot=" + (this.slot != null ? this.slot.name() : "")
+ "}";
}
public static AttributeModifier deserialize(Map<String, Object> args) {
if (args.containsKey("slot")) {
return new AttributeModifier(UUID.fromString((String) args.get("uuid")), (String) args.get("name"), NumberConversions.toDouble(args.get("amount")), Operation.values()[NumberConversions.toInt(args.get("operation"))], EquipmentSlot.valueOf((args.get("slot").toString().toUpperCase())));
}
return new AttributeModifier(UUID.fromString((String) args.get("uuid")), (String) args.get("name"), NumberConversions.toDouble(args.get("amount")), Operation.values()[NumberConversions.toInt(args.get("operation"))]);
}