Purpur/purpur-server/minecraft-patches/features/0009-Implement-elytra-settings.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <blake.galbreath@gmail.com>
Date: Thu, 25 Jul 2019 18:07:37 -0500
Subject: [PATCH] Implement elytra settings


diff --git a/net/minecraft/world/entity/LivingEntity.java b/net/minecraft/world/entity/LivingEntity.java
index d1f7da0f4adc4609247c349d7ccdb0e6bba9b8f8..6de5f527c018201d874e06a45c9509fa12125766 100644
--- a/net/minecraft/world/entity/LivingEntity.java
+++ b/net/minecraft/world/entity/LivingEntity.java
@@ -3595,7 +3595,18 @@ public abstract class LivingEntity extends Entity implements Attackable {
                 if (i1 % 2 == 0) {
                     List<EquipmentSlot> list = EquipmentSlot.VALUES.stream().filter(slot -> canGlideUsing(this.getItemBySlot(slot), slot)).toList();
                     EquipmentSlot equipmentSlot = Util.getRandom(list, this.random);
-                    this.getItemBySlot(equipmentSlot).hurtAndBreak(1, this, equipmentSlot);
+
+                    // Purpur start - Implement elytra settings
+                    int damage = level().purpurConfig.elytraDamagePerSecond;
+                    if (level().purpurConfig.elytraDamageMultiplyBySpeed > 0) {
+                        double speed = getDeltaMovement().lengthSqr();
+                        if (speed > level().purpurConfig.elytraDamageMultiplyBySpeed) {
+                            damage *= (int) speed;
+                        }
+                    }
+
+                    this.getItemBySlot(equipmentSlot).hurtAndBreak(damage, this, equipmentSlot);
+                    // Purpur end - Implement elytra settings
                 }
 
                 this.gameEvent(GameEvent.ELYTRA_GLIDE);
diff --git a/net/minecraft/world/item/FireworkRocketItem.java b/net/minecraft/world/item/FireworkRocketItem.java
index 75a9bd205f32b77c5d242cb9fac0f571ce36045a..b03f182c62c699cc222e67c1ae6eadf99c45d48d 100644
--- a/net/minecraft/world/item/FireworkRocketItem.java
+++ b/net/minecraft/world/item/FireworkRocketItem.java
@@ -66,6 +66,19 @@ public class FireworkRocketItem extends Item implements ProjectileItem {
                 com.destroystokyo.paper.event.player.PlayerElytraBoostEvent event = new com.destroystokyo.paper.event.player.PlayerElytraBoostEvent((org.bukkit.entity.Player) player.getBukkitEntity(), org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(itemInHand), (org.bukkit.entity.Firework) delayed.projectile().getBukkitEntity(), org.bukkit.craftbukkit.CraftEquipmentSlot.getHand(hand));
                 if (event.callEvent() && delayed.attemptSpawn()) {
                     player.awardStat(Stats.ITEM_USED.get(this)); // Moved up from below
+
+                    // Purpur start - Implement elytra settings
+                    if (level.purpurConfig.elytraDamagePerFireworkBoost > 0) {
+                        List<net.minecraft.world.entity.EquipmentSlot> list = net.minecraft.world.entity.EquipmentSlot.VALUES.stream().filter((enumitemslot) -> net.minecraft.world.entity.LivingEntity.canGlideUsing(player.getItemBySlot(enumitemslot), enumitemslot)).toList();
+                        net.minecraft.world.entity.EquipmentSlot enumitemslot = net.minecraft.Util.getRandom(list, player.random);
+
+                        ItemStack glideItem = player.getItemBySlot(enumitemslot);
+                        if (player.canGlide()) {
+                            glideItem.hurtAndBreak(level.purpurConfig.elytraDamagePerFireworkBoost, player, enumitemslot);
+                        }
+                    }
+                    // Purpur end - Implement elytra settings
+
                     if (event.shouldConsume() && !player.hasInfiniteMaterials()) {
                         itemInHand.shrink(1); // Moved up from below
                     } else {
diff --git a/net/minecraft/world/item/ItemStack.java b/net/minecraft/world/item/ItemStack.java
index c5426585f53a3139dc9d188a73e3a7ff4cb2e492..264b713e8b7c3d5f7d8e1facc90a60349f2cf414 100644
--- a/net/minecraft/world/item/ItemStack.java
+++ b/net/minecraft/world/item/ItemStack.java
@@ -733,6 +733,14 @@ public final class ItemStack implements DataComponentHolder {
                 org.bukkit.craftbukkit.event.CraftEventFactory.callPlayerItemBreakEvent(serverPlayer, this); // Paper - Add EntityDamageItemEvent
             }
             // CraftBukkit end
+
+            // Purpur start - Implement elytra settings
+            if (this.has(DataComponents.GLIDER)) {
+                setDamageValue(this.getMaxDamage() - 1);
+                return;
+            }
+            // Purpur end - Implement elytra settings
+
             this.shrink(1);
             onBreak.accept(item);
         }
diff --git a/net/minecraft/world/item/TridentItem.java b/net/minecraft/world/item/TridentItem.java
index 07f8c7644a112bb1ba283d1eadd8661010e888a4..7ea7db834e7b627a1d7d37ca87cd43eb61408565 100644
--- a/net/minecraft/world/item/TridentItem.java
+++ b/net/minecraft/world/item/TridentItem.java
@@ -133,6 +133,18 @@ public class TridentItem extends Item implements ProjectileItem {
                         f1 *= tridentSpinAttackStrength / squareRoot;
                         f2 *= tridentSpinAttackStrength / squareRoot;
                         org.bukkit.craftbukkit.event.CraftEventFactory.callPlayerRiptideEvent(player, stack, f, f1, f2); // CraftBukkit
+
+                        // Purpur start - Implement elytra settings
+                        List<EquipmentSlot> list = EquipmentSlot.VALUES.stream().filter((enumitemslot) -> LivingEntity.canGlideUsing(entity.getItemBySlot(enumitemslot), enumitemslot)).toList();
+                        if (!list.isEmpty()) {
+                            EquipmentSlot enumitemslot = net.minecraft.Util.getRandom(list, entity.random);
+                            ItemStack glideItem = entity.getItemBySlot(enumitemslot);
+                            if (glideItem.has(net.minecraft.core.component.DataComponents.GLIDER) && level.purpurConfig.elytraDamagePerTridentBoost > 0) {
+                                glideItem.hurtAndBreak(level.purpurConfig.elytraDamagePerTridentBoost, entity, enumitemslot);
+                            }
+                        }
+                        // Purpur end - Implement elytra settings
+
                         player.push(f, f1, f2);
                         player.startAutoSpinAttack(20, 8.0F, stack);
                         if (player.onGround()) {