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 d076e9f26af543fadd062e4dca5ccaafabe71cb2..0bcb0530dd8df28a9f4004a9d5dee9324a825095 100644
--- a/net/minecraft/world/entity/LivingEntity.java
+++ b/net/minecraft/world/entity/LivingEntity.java
@@ -3555,7 +3555,18 @@ 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 5d44b568718681b0a5d241037b38a787ad5aaa45..06dfd5424dcf7ab83e524803c8c11f29a6f2ea36 100644
--- a/net/minecraft/world/item/ItemStack.java
+++ b/net/minecraft/world/item/ItemStack.java
@@ -731,6 +731,14 @@ 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 23284dbeff327d1b8dc89f3a0dc0ee549cec2daa..cf1bc55f1b5aa610bcb10316ac320344e9739086 100644
--- a/net/minecraft/world/item/TridentItem.java
+++ b/net/minecraft/world/item/TridentItem.java
@@ -130,6 +130,18 @@ 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()) {