Purpur/purpur-server/minecraft-patches/features/0008-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 a20626d0b750ba89836d806bef61528758849311..fd20156ba4319778323756485557b3dbc32b09c1 100644
--- a/net/minecraft/world/entity/LivingEntity.java
+++ b/net/minecraft/world/entity/LivingEntity.java
@@ -3945,7 +3945,16 @@ public abstract class LivingEntity extends Entity implements Attackable, Waypoin
                 if (freeFallInterval % 2 == 0) {
                     List<EquipmentSlot> slotsWithGliders = EquipmentSlot.VALUES.stream().filter(slot -> canGlideUsing(this.getItemBySlot(slot), slot)).toList();
                     EquipmentSlot slotToDamage = Util.getRandom(slotsWithGliders, this.random);
-                    this.getItemBySlot(slotToDamage).hurtAndBreak(1, this, slotToDamage);
+                    // 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(slotToDamage).hurtAndBreak(damage, this, slotToDamage);
+                    // 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 c17607cb1fd5403f17a64b4218571e669b840a2e..6545145e1f83b333fd1d05ab714c9869c5d2d7fe 100644
--- a/net/minecraft/world/item/FireworkRocketItem.java
+++ b/net/minecraft/world/item/FireworkRocketItem.java
@@ -73,6 +73,17 @@ public class FireworkRocketItem extends Item implements ProjectileItem {
                     if (player.dropAllLeashConnections(null)) {
                         level.playSound(null, player, SoundEvents.LEAD_BREAK, SoundSource.NEUTRAL, 1.0F, 1.0F);
                     }
+                    // Purpur start - Implement elytra settings
+                    if (level.purpurConfig.elytraDamagePerFireworkBoost > 0) {
+                        java.util.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.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()) {
                         itemStack.shrink(1); // Moved up from below
                     } else {
diff --git a/net/minecraft/world/item/ItemStack.java b/net/minecraft/world/item/ItemStack.java
index aa62f69da48884f1d4e8834fe4cb9c02ce1d472e..2e511d2adaedef5e954532783beb8a77b3e000d4 100644
--- a/net/minecraft/world/item/ItemStack.java
+++ b/net/minecraft/world/item/ItemStack.java
@@ -694,6 +694,14 @@ public final class ItemStack implements DataComponentHolder, ItemInstance {
                 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 4352c807848acbac4e58cd84f376425c3ae6f2f7..50e38d147934d060a0cf342cec609d7d10476298 100644
--- a/net/minecraft/world/item/TridentItem.java
+++ b/net/minecraft/world/item/TridentItem.java
@@ -125,6 +125,16 @@ public class TridentItem extends Item implements ProjectileItem {
                             yd *= riptideStrength / dist;
                             zd *= riptideStrength / dist;
                             if (!org.bukkit.craftbukkit.event.CraftEventFactory.callPlayerRiptideEvent(player, itemStack, xd, yd, zd)) return false; // Paper - Add player riptide event
+                            // Purpur start - Implement elytra settings
+                            List<net.minecraft.world.entity.EquipmentSlot> list = net.minecraft.world.entity.EquipmentSlot.VALUES.stream().filter((enumitemslot) -> LivingEntity.canGlideUsing(entity.getItemBySlot(enumitemslot), enumitemslot)).toList();
+                            if (!list.isEmpty()) {
+                                net.minecraft.world.entity.EquipmentSlot enumitemslot = net.minecraft.util.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(xd, yd, zd);
                             player.startAutoSpinAttack(20, 8.0F, itemStack);
                             if (player.onGround()) {