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ItemAttributeNBT.java
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ItemAttributeNBT.java
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package net.aufdemrand.denizen.objects.properties.item;
import net.aufdemrand.denizen.objects.dItem;
import net.aufdemrand.denizen.utilities.debugging.dB;
import net.aufdemrand.denizen.utilities.nbt.CustomNBT;
import net.aufdemrand.denizencore.objects.Element;
import net.aufdemrand.denizencore.objects.Mechanism;
import net.aufdemrand.denizencore.objects.dList;
import net.aufdemrand.denizencore.objects.dObject;
import net.aufdemrand.denizencore.objects.properties.Property;
import net.aufdemrand.denizencore.tags.Attribute;
import net.aufdemrand.denizencore.tags.core.EscapeTags;
import org.bukkit.Material;
import org.bukkit.inventory.ItemStack;
import java.util.List;
/**
* This class is to serve as a placeholder until a better attributes system is available!
*/
public class ItemAttributeNBT implements Property {
public static boolean describes(dObject item) {
return item instanceof dItem;
}
public static ItemAttributeNBT getFrom(dObject item) {
if (!describes(item)) {
return null;
}
else {
return new ItemAttributeNBT((dItem) item);
}
}
public static final String[] handledTags = new String[]{
"nbt_attributes"
};
public static final String[] handledMechs = new String[] {
"nbt_attributes"
};
private ItemAttributeNBT(dItem item) {
this.item = item;
}
dItem item;
@Override
public String getAttribute(Attribute attribute) {
if (attribute == null) {
return null;
}
// <--[tag]
// @attribute <i@item.nbt_attributes>
// @returns dList
// @group properties
// @mechanism dItem.nbt_attributes
// @description
// Returns the NBT attribute data (as matches the mechanism input), if any.
// -->
if (attribute.startsWith("nbt_attributes")) {
return getList().getAttribute(attribute.fulfill(1));
}
return null;
}
public dList getList() {
ItemStack itemStack = item.getItemStack();
List<CustomNBT.AttributeReturn> nbtKeys = CustomNBT.getAttributes(itemStack);
dList list = new dList();
if (nbtKeys != null) {
for (CustomNBT.AttributeReturn atr : nbtKeys) {
list.add(EscapeTags.Escape(atr.attr) + "/" + EscapeTags.Escape(atr.slot) + "/" + atr.op + "/" + atr.amt);
}
}
return list;
}
@Override
public String getPropertyString() {
dList list = getList();
if (!list.isEmpty()) {
return list.identify();
}
return null;
}
@Override
public String getPropertyId() {
return "nbt_attributes";
}
@Override
public void adjust(Mechanism mechanism) {
// <--[mechanism]
// @object dItem
// @name nbt_attributes
// @input dList
// @description
// Sets the Denizen NBT attributes for this item in the format li@attribute/slot/op/amount|...
// Attribute is text ( http://minecraft.gamepedia.com/Attribute ), slot is the name of the slot,
// op is the number code for operation, and amount is a decimal.
// @tags
// <i@item.nbt_attributes>
// -->
if (mechanism.matches("nbt_attributes")) {
if (item.getMaterial().getMaterial() == Material.AIR) {
dB.echoError("Cannot apply NBT to AIR!");
return;
}
dList list = mechanism.getValue().asType(dList.class);
ItemStack itemStack = item.getItemStack();
itemStack = CustomNBT.clearNBT(itemStack, CustomNBT.KEY_ATTRIBUTES);
for (String string : list) {
String[] split = string.split("/");
String attribute = EscapeTags.unEscape(split[0]);
String slot = EscapeTags.unEscape(split[1]);
int op = new Element(split[2]).asInt();
double amt = new Element(split[3]).asDouble();
itemStack = CustomNBT.addAttribute(itemStack, attribute, slot, op, amt);
}
item.setItemStack(itemStack);
}
}
}