EpicKnarvik97/ArmoredElytra
EpicKnarvik97/ArmoredElytra
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- Rewrote plugin to use NMS to add real armor to the elytras.

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- Code cleanup.
This commit is contained in:
Pim van der Loos 2017-09-06 14:55:55 +02:00
parent f6d353d7e7
commit cbc0fd4b79
3 changed files with 191 additions and 118 deletions
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6
pom.xml
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@ -14,14 +14,14 @@
<dependency>
<groupId>org.spigotmc</groupId>
<artifactId>spigot-api</artifactId>
<version>1.10-R0.1-SNAPSHOT</version>
<version>1.11.2-R0.1-SNAPSHOT</version>
<scope>provided</scope>
</dependency>
<!--Bukkit API-->
<dependency>
<groupId>org.bukkit</groupId>
<artifactId>bukkit</artifactId>
<version>1.10-R0.1-SNAPSHOT</version>
<artifactId>craftbukkit</artifactId>
<version>1.11.2-R0.1-SNAPSHOT</version>
<scope>provided</scope>
</dependency>
</dependencies>

1
src/main/java/nl/pim16aap2/armoredElytra/ArmoredElytra.java
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@ -15,6 +15,7 @@ public class ArmoredElytra extends EnchantPlugin implements Listener {
Bukkit.getPluginManager().registerEvents(new EventHandlers(this), this);
}
// TODO: Remove this after updating elytras on my server.
@Override
public void registerEnchantments() {
EnchantmentAPI.registerCustomEnchantment(new DiamondArmor());

302
src/main/java/nl/pim16aap2/armoredElytra/EventHandlers.java
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@ -1,10 +1,11 @@
package nl.pim16aap2.armoredElytra;
import java.util.Arrays;
import java.util.Map;
import java.util.Random;
import org.bukkit.Material;
import org.bukkit.attribute.Attribute;
import org.bukkit.craftbukkit.v1_11_R1.inventory.CraftItemStack;
import org.bukkit.enchantments.Enchantment;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
@ -15,20 +16,38 @@ import org.bukkit.event.inventory.InventoryClickEvent;
import org.bukkit.event.inventory.InventoryType;
import org.bukkit.inventory.AnvilInventory;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.EnchantmentStorageMeta;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.scheduler.BukkitRunnable;
import net.minecraft.server.v1_11_R1.*;
import com.rit.sucy.EnchantmentAPI;
import net.md_5.bungee.api.ChatColor;
public class EventHandlers implements Listener {
private int DIAMONDS_TO_FULL = 3;
private int LEATHER_TO_FULL = 4;
private final ArmoredElytra plugin;
private String[] allowedEnchantments = {"DURABILITY",
"PROTECTION_FIRE",
"PROTECTION_EXPLOSIONS",
"PROTECTION_PROJECTILE",
"PROTECTION_ENVIRONMENTAL",
"DIAMOND_ARMOR_ITEMS",
"THORNS"};
private String[] specialEnchantments = {"MENDING",
"VANISHING_CURSE",
"BINDING_CURSE"};
public EventHandlers(ArmoredElytra plugin) {
this.plugin = plugin;
}
// Clear the anvil's inventory (destroy all the items in all 3 slots (second slot is not emptied, when repairing you can safely give multiple items)).
public void cleanAnvil(AnvilInventory anvilInventory){
anvilInventory.getItem(0).setAmount(0);
@ -36,13 +55,105 @@ public class EventHandlers implements Listener {
anvilInventory.getItem(2).setAmount(0);
}
// Check if the elytra being checked is an armored one.
public boolean isArmoredElytra(ItemStack elytra) {
if (EnchantmentAPI.itemHasEnchantment(elytra, "Diamond Armor Tier")) {
return true;
// Check if the enchantment is allowed on elytras.
public boolean isAllowedEnchantment(Enchantment enchant) {
for (String s : allowedEnchantments) {
if (Enchantment.getByName(s).equals(enchant)) {
return true;
}
}
return false;
}
}
// Check if the enchantment is "special", i.e. cannot be enchanted by the EnchantmentAPI.
public boolean isSpecialEnchantment(Enchantment enchant) {
for (String s : specialEnchantments) {
if (Enchantment.getByName(s).equals(enchant)) {
return true;
}
}
return false;
}
// Check if the elytra being checked is an armored one.
public boolean isArmoredElytra(ItemStack elytra) {
if (elytra.hasItemMeta() && elytra.getType() == Material.ELYTRA)
if (elytra.getItemMeta().hasLore())
if (elytra.getItemMeta().getLore().toString().equals("[This is an armored Elytra.]")) {
return true;
}
return false;
}
// Copy enchants of 2 items to one item.
public ItemStack addEnchants(ItemStack itemOne, ItemStack itemTwo, Player p) {
// Create the resulting item and apply the diamond armor tier enchantment to it.
ItemStack result = itemOne.clone();
// Get the enchantments of the first and second item in the anvil.
Map<Enchantment, Integer> enchantments0 = itemOne.getEnchantments();
Map<Enchantment, Integer> enchantments1 = itemTwo.getEnchantments();
// Enchants from enchanted books have to be access in a different way.
if (itemTwo.getType() == Material.ENCHANTED_BOOK && isArmoredElytra(itemOne)) {
EnchantmentStorageMeta meta = (EnchantmentStorageMeta)itemTwo.getItemMeta();
enchantments1 = meta.getStoredEnchants();
}
// Copy enchantments from item1 to result.
if (enchantments1!=null) {
for (Map.Entry<Enchantment, Integer> entry : enchantments1.entrySet()) {
if (isSpecialEnchantment(entry.getKey()) && !result.containsEnchantment(entry.getKey())) {
result.addEnchantment(entry.getKey(), entry.getValue());
} else if (isAllowedEnchantment(entry.getKey())) {
int enchantLevel = entry.getValue();
// If item0 and item1 both have the same enchantment at the same level, result has level+1.
// If item0 and item1 both have the same enchantment at different levels, give the highest level to result.
if (enchantments0 != null) {
for (Map.Entry<Enchantment, Integer> rentry : enchantments0.entrySet()) {
if (entry.getKey().getName() == rentry.getKey().getName()) {
if (entry.getValue() == rentry.getValue() && entry.getValue() < entry.getKey().getMaxLevel()) {
enchantLevel = entry.getValue()+1;
} else if (entry.getValue() < rentry.getValue()) {
enchantLevel = rentry.getValue();
}
}
}
}
EnchantmentAPI.getEnchantment(entry.getKey().getName()).addToItem(result, enchantLevel);
} else {
p.sendMessage(ChatColor.RED+"This enchantment is not allowed on this item!");
}
}
}
return result;
}
// Copy enchants of 2 items to one item.
public ItemStack repairItem(ItemStack one, ItemStack two) {
// Create the resulting item.
ItemStack result = one.clone();
int mult = two.getType() == Material.DIAMOND ? 100/DIAMONDS_TO_FULL : 100/LEATHER_TO_FULL;
int maxDurability = one.getType().getMaxDurability();
int durability = one.getDurability();
int newDurability = (durability - (int) (maxDurability*mult));
result.setDurability((short) (newDurability >= 0 ? newDurability : 0) );
return result;
}
// Handle the anvil related parts.
@EventHandler
@ -65,118 +176,89 @@ public class EventHandlers implements Listener {
// Clean the anvil's inventory after transferring the items.
cleanAnvil(anvilInventory);
}
}
}
new BukkitRunnable() {
@Override
public void run() {
// Check if there are items in both input slots.
if (anvilInventory.getItem(0) != null && anvilInventory.getItem(1) != null) {
if (anvilInventory.getItem(0) != null && anvilInventory.getItem(1) != null) {
// Check if the first input slot contains an elytra.
if (anvilInventory.getItem(0).getType() == Material.ELYTRA) {
ItemStack result = null;
// Check if the second input slot contains a diamond chestplate.
if (anvilInventory.getItem(1).getType() == Material.DIAMOND_CHESTPLATE) {
// Get the enchantments of the first and second item in the anvil.
Map<Enchantment, Integer> enchantments0 = anvilInventory.getItem(0).getEnchantments();
Map<Enchantment, Integer> enchantments1 = anvilInventory.getItem(1).getEnchantments();
// Create the resulting item and apply the diamond armor tier enchantment to it.
ItemStack result = new ItemStack(Material.ELYTRA, 1);
EnchantmentAPI.getEnchantment("Diamond Armor Tier").addToItem(result, 1);
// Copy enchantments from item0 to result.
if (enchantments0!=null) {
for (Map.Entry<Enchantment, Integer> entry : enchantments0.entrySet()) {
if (entry.getKey().getName().equals("MENDING") || entry.getKey().getName().equals("VANISHING_CURSE") || entry.getKey().getName().equals("VANISHING_CURSE")) {
result.addEnchantment(entry.getKey(), 1);
} else {
EnchantmentAPI.getEnchantment(entry.getKey().getName()).addToItem(result, 1);
}
}
}
// Copy enchantments from item1 to result.
if (enchantments1!=null) {
for (Map.Entry<Enchantment, Integer> entry : enchantments1.entrySet()) {
if (entry.getKey().getName().equals("MENDING") || entry.getKey().getName().equals("VANISHING_CURSE") || entry.getKey().getName().equals("VANISHING_CURSE"))
result.addEnchantment(entry.getKey(), 1);
else {
Map<Enchantment, Integer> resultEnchantments = result.getEnchantments();
int enchantLevel = entry.getValue();
// If item0 and item1 both have the same enchantment at the same level, result has level+1.
// If item0 and item1 both have the same enchantment at different levels, give the highest level to result.
if (resultEnchantments != null) {
for (Map.Entry<Enchantment, Integer> rentry : resultEnchantments.entrySet()) {
if (entry.getKey().getName() == rentry.getKey().getName()) {
if (entry.getValue() == rentry.getValue() && entry.getValue()<5) {
enchantLevel = entry.getValue()+1;
} else if (entry.getValue() < rentry.getValue()) {
enchantLevel = rentry.getValue();
}
}
}
}
if (!entry.getKey().getName().equals("MENDING") && !entry.getKey().getName().equals("VANISHING_CURSE") && !entry.getKey().getName().equals("VANISHING_CURSE"))
EnchantmentAPI.getEnchantment(entry.getKey().getName()).addToItem(result, enchantLevel);
}
}
}
// Resulting item will have full durability.
result.setDurability((short) 0);
// Add resulting item in the second slot of the anvil.
anvilInventory.setItem(2, result);
if (anvilInventory.getItem(1).getType() == Material.DIAMOND_CHESTPLATE ||
(anvilInventory.getItem(1).getType() == Material.ENCHANTED_BOOK && isArmoredElytra(anvilInventory.getItem(0)))) {
// Combine the enchantments of the two items in the input slots.
result = addEnchants(anvilInventory.getItem(0), anvilInventory.getItem(1), p);
if (anvilInventory.getItem(1).getType() == Material.DIAMOND_CHESTPLATE) {
result.setDurability((short)0);
}
}
// If the player tries to repair an armored elytra with diamonds or a regular elytra with leather, repair 52% or 26%.
} else if ((anvilInventory.getItem(1).getType() == Material.LEATHER && !isArmoredElytra(anvilInventory.getItem(0))) ||
(anvilInventory.getItem(1).getType() == Material.DIAMOND && isArmoredElytra(anvilInventory.getItem(0)))) {
int mult = anvilInventory.getItem(1).getType() == Material.DIAMOND ? 2 : 1;
ItemStack result = anvilInventory.getItem(0).clone();
int maxDurability = anvilInventory.getItem(0).getType().getMaxDurability();
int durability = anvilInventory.getItem(0).getDurability();
int newDurability = (durability - (int) (maxDurability*0.26*mult));
result.setDurability((short) (newDurability >= 0 ? newDurability : 0) );
// Add resulting item in the second slot of the anvil.
anvilInventory.setItem(2, result);
else if ((anvilInventory.getItem(1).getType() == Material.LEATHER && !isArmoredElytra(anvilInventory.getItem(0))) ||
(anvilInventory.getItem(1).getType() == Material.DIAMOND && isArmoredElytra(anvilInventory.getItem(0)))) {
// Repair the item in the first input slot with items from the second input slot.
result = repairItem(anvilInventory.getItem(0), anvilInventory.getItem(1));
}
// Otherwise, remove the item in the result slot (slot2).
} else {
else {
if (anvilInventory.getItem(2)!=null) {
anvilInventory.getItem(2).setAmount(0);
}
}
// update inventory to show changes made to the anvil's inventory.
p.updateInventory();
// Put the created item in the second slot of the anvil.
if (result!=null) {
if (anvilInventory.getItem(1).getType() == Material.DIAMOND_CHESTPLATE/* || isArmoredElytra(anvilInventory.getItem(0))*/) {
ItemMeta itemmeta = result.getItemMeta();
itemmeta.setDisplayName(ChatColor.AQUA+"Armored Elytra");
itemmeta.setLore(Arrays.asList("This is an armored Elytra."));
result.setItemMeta(itemmeta);
net.minecraft.server.v1_11_R1.ItemStack nmsStack = CraftItemStack.asNMSCopy(result);
NBTTagCompound compound = (nmsStack.hasTag()) ? nmsStack.getTag() : new NBTTagCompound();
NBTTagList modifiers = new NBTTagList();
NBTTagCompound armor = new NBTTagCompound();
armor.set("AttributeName", new NBTTagString("generic.armor"));
armor.set("Name", new NBTTagString("generic.armor"));
armor.set("Amount", new NBTTagInt(8));
armor.set("Operation", new NBTTagInt(0));
armor.set("UUIDLeast", new NBTTagInt(894654));
armor.set("UUIDMost", new NBTTagInt(2872));
armor.set("Slot", new NBTTagString("chest"));
modifiers.add(armor);
NBTTagCompound armorTough = new NBTTagCompound();
armorTough.set("AttributeName", new NBTTagString("generic.armorToughness"));
armorTough.set("Name", new NBTTagString("generic.armorToughness"));
armorTough.set("Amount", new NBTTagInt(2));
armorTough.set("Operation", new NBTTagInt(0));
armorTough.set("UUIDLeast", new NBTTagInt(894654));
armorTough.set("UUIDMost", new NBTTagInt(2872));
armorTough.set("Slot", new NBTTagString("chest"));
modifiers.add(armorTough);
compound.set("AttributeModifiers", modifiers);
result = CraftItemStack.asBukkitCopy(nmsStack);
}
anvilInventory.setItem(2, result);
}
}
}
// Super ugly way of making sure that when applying enchantments from an enchanted book to an elytra, the result has a higher chance of showing up.
if (anvilInventory.getItem(1).getType() == Material.ENCHANTED_BOOK) {
p.updateInventory();
p.updateInventory();
p.updateInventory();
p.updateInventory();
p.updateInventory();
p.updateInventory();
p.sendMessage(ChatColor.GREEN+"Combining enchanted books with elytras IS possible, but sometimes you have to remove the book and put it back a few times.");
}
}
p.updateInventory();
}
// Do all this with a slight delay, so the resulting item shows up in the final slot properly.
}.runTaskLater(this.plugin, 1);
}
}
}
// Calculate the toughness of the player's armor. 2 Points per part of diamond armor (and 2 for armored elytra's... duh...).
public double getArmorToughness(Player p) {
double toughness = 0;
if (p.getInventory().getBoots()!=null)
if (p.getInventory().getBoots().getType() == Material.DIAMOND_BOOTS) {
toughness+=2;
}
if (p.getInventory().getHelmet()!=null)
if (p.getInventory().getHelmet().getType() == Material.DIAMOND_HELMET) {
toughness+=2;
}
if (p.getInventory().getLeggings()!=null)
if (p.getInventory().getLeggings().getType() == Material.DIAMOND_LEGGINGS) {
toughness+=2;
}
if (p.getInventory().getChestplate()!=null)
if (p.getInventory().getChestplate().getType() == Material.DIAMOND_CHESTPLATE ||
(p.getInventory().getChestplate().getType() == Material.ELYTRA && isArmoredElytra(p.getInventory().getChestplate()))) {
toughness+=2;
}
return toughness;
}
// Because the armored elytra doesn't actually give any armor, the damage received by players wearing an armored elytra is calculated here.
@ -187,26 +269,12 @@ public class EventHandlers implements Listener {
if (p.getInventory().getChestplate()!=null) {
if (p.getInventory().getChestplate().getType() == Material.ELYTRA && isArmoredElytra(p.getInventory().getChestplate())) {
DamageCause cause = e.getCause();
if (cause!=DamageCause.DROWNING && cause!=DamageCause.LIGHTNING && cause!=DamageCause.STARVATION && cause!=DamageCause.SUFFOCATION && cause!=DamageCause.FALL && cause!=DamageCause.SUICIDE && cause!=DamageCause.FIRE_TICK && cause!=DamageCause.FIRE && cause!=DamageCause.FLY_INTO_WALL && cause!=DamageCause.POISON) {
double damage = e.getDamage();
// Get the defense points of the player (armor rating), then add 8 (value of diamond chestplate).
double defensePoints = p.getAttribute(Attribute.GENERIC_ARMOR).getValue()+8;
double toughness = getArmorToughness(p);
// Calculate new damage based on formula found on the wiki.
double newDamage = e.getDamage() * (1-Math.min(20, Math.max(defensePoints/5, defensePoints-e.getDamage()/(2+toughness/4)))/25);
e.setDamage(EntityDamageEvent.DamageModifier.ABSORPTION, 0);
e.setDamage(EntityDamageEvent.DamageModifier.ARMOR, 0);
e.setDamage(EntityDamageEvent.DamageModifier.BLOCKING, 0);
// e.setDamage(EntityDamageEvent.DamageModifier.HARD_HAT, 0);
e.setDamage(EntityDamageEvent.DamageModifier.MAGIC, 0);
e.setDamage(EntityDamageEvent.DamageModifier.RESISTANCE, 0);
// Base is now the final damage. Why u no have setFinalDamage?
e.setDamage(EntityDamageEvent.DamageModifier.BASE, newDamage);
if (cause!=DamageCause.DROWNING && cause!=DamageCause.STARVATION && cause!=DamageCause.SUFFOCATION &&
cause!=DamageCause.SUICIDE && cause!=DamageCause.FLY_INTO_WALL && cause!=DamageCause.POISON) {
int durability = p.getInventory().getChestplate().getDurability();
int durability = p.getInventory().getChestplate().getDurability();
int maxDurability = p.getInventory().getChestplate().getType().getMaxDurability();
int newDurability = (int) (durability + ((int)(damage/4) > 1 ? (int)(damage/4) : 1));
int newDurability = (int) (durability + ((int)(e.getDamage()/4) > 1 ? (int)(e.getDamage()/4) : 1));
// If the elytra has the durability enchantment.
if (p.getInventory().getChestplate().containsEnchantment(Enchantment.DURABILITY)) {
@ -232,12 +300,16 @@ public class EventHandlers implements Listener {
}
}
// Remove item from player's chestplate slot and puts it in their normal inventory.
public void enquipChestPlayer(Player p) {
p.getInventory().addItem(p.getInventory().getChestplate());
p.getInventory().getChestplate().setAmount(0);
}
// Check if the player is trying to equip a broken elytra (and prevent that).
@EventHandler
public void playerEquipsArmor(InventoryClickEvent e){