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Purpur/patches/server/0067-Implement-elytra-settings.patch
Encode42 26e5f080f2 Updated Upstream (Paper) 
Upstream has released updates that appear to apply and compile correctly

Paper Changes:
PaperMC/Paper@b4192fd fix NPE from changes in e4358b82171
PaperMC/Paper@5b6445a Revert "fix NPE from changes in e4358b82171"
PaperMC/Paper@323c087 Revert "#686: Fix contains for default section generating real sections"
PaperMC/Paper@c837002 Fix client world difficulty sync issue (#7035)
PaperMC/Paper@a4782f7 [ci skip] fixup indent
PaperMC/Paper@83aee0f [ci skip] Clarify setSize consequences for Slimes (#7036)
PaperMC/Paper@7c8fdc1 Add dropped hunk from mid-tick tasks (#7034)
PaperMC/Paper@fd263ef Fix empty/null chunk section check in LevelChunk#getBlockData, rename… (#7039)
PaperMC/Paper@b8d486c Create workflow to add new PRs to the PR Queue project (#6918)
PaperMC/Paper@a50e273 Include axolotls in affected entities for water splash potions (#7024)
PaperMC/Paper@af95df8 Port Actually unload POI data from Tuinity 1.16 (#7044)
PaperMC/Paper@04897b1 [ci skip] Revert "Create workflow to add new PRs to the PR Queue project (#6918)" (#7046)
PaperMC/Paper@b4a77a8 Updated Upstream (Bukkit/CraftBukkit) (#7045)
PaperMC/Paper@0e25db2 Fix mis-placed processEnchantOrder from 1.18 update (#7052)
PaperMC/Paper@53d026e Fix unused EntitySectionStorage#getEntities(AABB, Consumer) method being broken
PaperMC/Paper@772e880 Fix light propagation in high y sections
PaperMC/Paper@33ea869 Bump Starlight light version
PaperMC/Paper@74fd151 Fix entity equipment on cancellation of EntityDeathEvent (#5740)
PaperMC/Paper@758e2a7 Fix bad ticking checks for blocks
PaperMC/Paper@0e91b6a Return 0 for light values if a dimenion does not have them
PaperMC/Paper@188a8df Fix ChunkSnapshot#isSectionEmpty(int)
PaperMC/Paper@bbc7451 Fix issue with snapshotted biomes in last commit
PaperMC/Paper@b475c6a Backport log4j fix
PaperMC/Paper@4e355c4 Updated Upstream (CraftBukkit)
PaperMC/Paper@dce79f3 Update Log4J (#7069)
2021-12-09 22:46:19 -05:00

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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/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 87cf71ae44c361770a8d5143dd2091395cbd0130..68415084deacf8d1f82f27e6fbaae1d0d598510c 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -3381,7 +3381,16 @@ public abstract class LivingEntity extends Entity {
int j = i / 10;
if (j % 2 == 0) {
- itemstack.hurtAndBreak(1, this, (entityliving) -> {
+ // Purpur start
+ int damage = level.purpurConfig.elytraDamagePerSecond;
+ if (level.purpurConfig.elytraDamageMultiplyBySpeed > 0) {
+ double speed = getDeltaMovement().lengthSqr();
+ if (speed > level.purpurConfig.elytraDamageMultiplyBySpeed) {
+ damage *= (int) speed;
+ }
+ }
+ itemstack.hurtAndBreak(damage, this, (entityliving) -> {
+ // Purpur end
entityliving.broadcastBreakEvent(EquipmentSlot.CHEST);
});
}
diff --git a/src/main/java/net/minecraft/world/item/FireworkRocketItem.java b/src/main/java/net/minecraft/world/item/FireworkRocketItem.java
index 543a08f920319a2547258640bafebb1e70af65c4..dd211aa7c4ef1e158933a89898b9e5bc1451ee14 100644
--- a/src/main/java/net/minecraft/world/item/FireworkRocketItem.java
+++ b/src/main/java/net/minecraft/world/item/FireworkRocketItem.java
@@ -17,6 +17,7 @@ import net.minecraft.server.level.ServerPlayer;
import net.minecraft.world.InteractionHand;
import net.minecraft.world.InteractionResult;
import net.minecraft.world.InteractionResultHolder;
+import net.minecraft.world.entity.EquipmentSlot;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.entity.projectile.FireworkRocketEntity;
import net.minecraft.world.item.context.UseOnContext;
@@ -70,6 +71,14 @@ public class FireworkRocketItem extends Item {
com.destroystokyo.paper.event.player.PlayerElytraBoostEvent event = new com.destroystokyo.paper.event.player.PlayerElytraBoostEvent((org.bukkit.entity.Player) user.getBukkitEntity(), org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(itemStack), (org.bukkit.entity.Firework) fireworkRocketEntity.getBukkitEntity());
if (event.callEvent() && world.addFreshEntity(fireworkRocketEntity)) {
user.awardStat(Stats.ITEM_USED.get(this));
+ // Purpur start
+ if (world.purpurConfig.elytraDamagePerFireworkBoost > 0) {
+ ItemStack chestItem = user.getItemBySlot(EquipmentSlot.CHEST);
+ if (chestItem.getItem() == Items.ELYTRA) {
+ chestItem.hurtAndBreak(world.purpurConfig.elytraDamagePerFireworkBoost, user, (entityliving) -> entityliving.broadcastBreakEvent(EquipmentSlot.CHEST));
+ }
+ }
+ // Purpur end
if (event.shouldConsume() && !user.getAbilities().instabuild) {
itemStack.shrink(1);
} else ((net.minecraft.server.level.ServerPlayer) user).getBukkitEntity().updateInventory();
diff --git a/src/main/java/net/minecraft/world/item/ItemStack.java b/src/main/java/net/minecraft/world/item/ItemStack.java
index fd973d153a47a5911df7fdb183d7c9851cba1175..03c7746f3ab9212dec455d05c45c687645cdd9af 100644
--- a/src/main/java/net/minecraft/world/item/ItemStack.java
+++ b/src/main/java/net/minecraft/world/item/ItemStack.java
@@ -543,7 +543,7 @@ public final class ItemStack {
int j;
if (amount > 0) {
- j = EnchantmentHelper.getItemEnchantmentLevel(Enchantments.UNBREAKING, this);
+ j = (getItem() == Items.ELYTRA && player != null && player.level.purpurConfig.elytraIgnoreUnbreaking) ? 0 : EnchantmentHelper.getItemEnchantmentLevel(Enchantments.UNBREAKING, this);
int k = 0;
for (int l = 0; j > 0 && l < amount; ++l) {
@@ -597,6 +597,12 @@ public final class ItemStack {
if (this.hurt(amount, entity.getRandom(), entity /*instanceof ServerPlayer ? (ServerPlayer) entity : null*/)) { // Paper - pass LivingEntity for EntityItemDamageEvent
breakCallback.accept(entity);
Item item = this.getItem();
+ // Purpur start
+ if (item == Items.ELYTRA) {
+ setDamageValue(item.getMaxDamage() - 1);
+ return;
+ }
+ // Purpur end
// CraftBukkit start - Check for item breaking
if (this.count == 1 && entity instanceof net.minecraft.world.entity.player.Player) {
org.bukkit.craftbukkit.event.CraftEventFactory.callPlayerItemBreakEvent((net.minecraft.world.entity.player.Player) entity, this);
diff --git a/src/main/java/net/minecraft/world/item/TridentItem.java b/src/main/java/net/minecraft/world/item/TridentItem.java
index 998758be827efbcb7693ed36ab1dffc0ef0369bf..5beaafec0759543d3bddf99028c97d0d005be209 100644
--- a/src/main/java/net/minecraft/world/item/TridentItem.java
+++ b/src/main/java/net/minecraft/world/item/TridentItem.java
@@ -126,6 +126,14 @@ public class TridentItem extends Item implements Vanishable {
f2 *= f6 / f5;
f3 *= f6 / f5;
f4 *= f6 / f5;
+
+ // Purpur start
+ ItemStack chestItem = entityhuman.getItemBySlot(EquipmentSlot.CHEST);
+ if (chestItem.getItem() == Items.ELYTRA && world.purpurConfig.elytraDamagePerTridentBoost > 0) {
+ chestItem.hurtAndBreak(world.purpurConfig.elytraDamagePerTridentBoost, entityhuman, (entity) -> entity.broadcastBreakEvent(EquipmentSlot.CHEST));
+ }
+ // Purpur end
+
entityhuman.push((double) f2, (double) f3, (double) f4);
entityhuman.startAutoSpinAttack(20);
if (entityhuman.isOnGround()) {
diff --git a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
index f1255e97cc13d33e43f4f7e10ee93dff363e40b4..726c2bc0a6f8df467022c1c446c385dfbb5b08bf 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
@@ -99,6 +99,19 @@ public class PurpurWorldConfig {
armorstandStepHeight = (float) getDouble("gameplay-mechanics.armorstand.step-height", armorstandStepHeight);
}
+ public int elytraDamagePerSecond = 1;
+ public double elytraDamageMultiplyBySpeed = 0;
+ public boolean elytraIgnoreUnbreaking = false;
+ public int elytraDamagePerFireworkBoost = 0;
+ public int elytraDamagePerTridentBoost = 0;
+ private void elytraSettings() {
+ elytraDamagePerSecond = getInt("gameplay-mechanics.elytra.damage-per-second", elytraDamagePerSecond);
+ elytraDamageMultiplyBySpeed = getDouble("gameplay-mechanics.elytra.damage-multiplied-by-speed", elytraDamageMultiplyBySpeed);
+ elytraIgnoreUnbreaking = getBoolean("gameplay-mechanics.elytra.ignore-unbreaking", elytraIgnoreUnbreaking);
+ elytraDamagePerFireworkBoost = getInt("gameplay-mechanics.elytra.damage-per-boost.firework", elytraDamagePerFireworkBoost);
+ elytraDamagePerTridentBoost = getInt("gameplay-mechanics.elytra.damage-per-boost.trident", elytraDamagePerTridentBoost);
+ }
+
public double minecartMaxSpeed = 0.4D;
public boolean minecartPlaceAnywhere = false;
public boolean minecartControllable = false;
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