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Implement elytra settings
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@BillyGalbreath
BillyGalbreath committed Jul 26, 2019
1 parent eb13b32 commit d78b851
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23 changes: 23 additions & 0 deletions docs/source/configuration.rst
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Expand Up @@ -274,3 +274,26 @@ radius-villager-iron-golem-spawns
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* **default**: 10
* **description**: Radius villagers search for existing iron golems before spawning more

elytra
~~~~~~
* damage-per-second
- **default**: 1
- **description**: How much damage an elytra takes during flight each second

* damage-multiplied-by-speed
- **default**: 0
- **description**: Damage is multiplied by speed if flight is faster than set speed. Value of 0 disables this multiplier.

* ignore-unbreaking
- **default**: false
- **description**: Should elytras ignore the unbreaking enchantment

* damage-per-boost
* firework
- **default**: 0
- **description**: How much damage to deal to the elytra when firework boost activates

* trident
- **default**: 0
- **description**: How much damage to deal to the elytra when trident riptide boost activates
149 changes: 149 additions & 0 deletions patches/server/0061-Implement-elytra-settings.patch
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@@ -0,0 +1,149 @@
From 3e7ce447de35ad589437845bdbd9d16f0a41e9f2 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

---
.../java/net/minecraft/server/EntityLiving.java | 14 +++++++++++---
.../java/net/minecraft/server/ItemFireworks.java | 8 ++++++++
src/main/java/net/minecraft/server/ItemStack.java | 8 +++++++-
.../java/net/minecraft/server/ItemTrident.java | 10 ++++++++++
src/main/java/net/minecraft/server/Vec3D.java | 1 +
.../java/net/pl3x/purpur/PurpurWorldConfig.java | 13 +++++++++++++
6 files changed, 50 insertions(+), 4 deletions(-)

diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
index 4e6598cf5a..cbd7ab3a89 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -2588,9 +2588,16 @@ public abstract class EntityLiving extends Entity {
if (itemstack.getItem() == Items.ELYTRA && ItemElytra.e(itemstack)) {
flag = true;
if (!this.world.isClientSide && (this.bp + 1) % 20 == 0) {
- itemstack.damage(1, this, (entityliving) -> {
- entityliving.c(EnumItemSlot.CHEST);
- });
+ // Purpur start
+ int damage = world.purpurConfig.elytraDamagePerSecond;
+ if (world.purpurConfig.elytraDamageMultiplyBySpeed > 0) {
+ double speed = getMot().length();
+ if (speed > world.purpurConfig.elytraDamageMultiplyBySpeed) {
+ damage *= (int) speed;
+ }
+ }
+ itemstack.damage(damage, this, (entityliving) -> entityliving.c(EnumItemSlot.CHEST));
+ // Purpur end
}
} else {
flag = false;
@@ -3237,6 +3244,7 @@ public abstract class EntityLiving extends Entity {
}
}

+ public void sendBreakAnimation(EnumItemSlot slot) { c(slot); } // Purpur - OBFHELPER
public void c(EnumItemSlot enumitemslot) {
this.world.broadcastEntityEffect(this, d(enumitemslot));
}
diff --git a/src/main/java/net/minecraft/server/ItemFireworks.java b/src/main/java/net/minecraft/server/ItemFireworks.java
index 9e86ef4ce2..832cea636b 100644
--- a/src/main/java/net/minecraft/server/ItemFireworks.java
+++ b/src/main/java/net/minecraft/server/ItemFireworks.java
@@ -38,6 +38,14 @@ public class ItemFireworks extends Item {
// Paper start
com.destroystokyo.paper.event.player.PlayerElytraBoostEvent event = new com.destroystokyo.paper.event.player.PlayerElytraBoostEvent((org.bukkit.entity.Player) entityhuman.getBukkitEntity(), org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(itemstack), (org.bukkit.entity.Firework) entityfireworks.getBukkitEntity());
if (event.callEvent() && world.addEntity(entityfireworks)) {
+ // Purpur start
+ if (world.purpurConfig.elytraDamagePerFireworkBoost > 0) {
+ ItemStack chestItem = entityhuman.getEquipment(EnumItemSlot.CHEST);
+ if (chestItem.getItem() == Items.ELYTRA) {
+ chestItem.damage(world.purpurConfig.elytraDamagePerFireworkBoost, entityhuman, (entityliving) -> entityliving.sendBreakAnimation(EnumItemSlot.CHEST));
+ }
+ }
+ // Purpur end
if (event.shouldConsume() && !entityhuman.abilities.canInstantlyBuild) {
itemstack.subtract(1);
} else ((EntityPlayer) entityhuman).getBukkitEntity().updateInventory();
diff --git a/src/main/java/net/minecraft/server/ItemStack.java b/src/main/java/net/minecraft/server/ItemStack.java
index 0e164840fd..d9b63547d9 100644
--- a/src/main/java/net/minecraft/server/ItemStack.java
+++ b/src/main/java/net/minecraft/server/ItemStack.java
@@ -393,7 +393,7 @@ public final class ItemStack {
int j;

if (i > 0) {
- j = EnchantmentManager.getEnchantmentLevel(Enchantments.DURABILITY, this);
+ j = (getItem() == Items.ELYTRA && entityplayer != null && entityplayer.world.purpurConfig.elytraIgnoreUnbreaking) ? 0 : EnchantmentManager.getEnchantmentLevel(Enchantments.DURABILITY, this); // Purpur
int k = 0;

for (int l = 0; j > 0 && l < i; ++l) {
@@ -439,6 +439,12 @@ public final class ItemStack {
if (this.isDamaged(i, t0.getRandom(), t0 instanceof EntityPlayer ? (EntityPlayer) t0 : null)) {
consumer.accept(t0);
Item item = this.getItem();
+ // Purpur start
+ if (item == Items.ELYTRA) {
+ setDamage(item.getMaxDurability() - 1);
+ return;
+ }
+ // Purpur end
// CraftBukkit start - Check for item breaking
if (this.count == 1 && t0 instanceof EntityHuman) {
org.bukkit.craftbukkit.event.CraftEventFactory.callPlayerItemBreakEvent((EntityHuman) t0, this);
diff --git a/src/main/java/net/minecraft/server/ItemTrident.java b/src/main/java/net/minecraft/server/ItemTrident.java
index c408157368..28f9f6e405 100644
--- a/src/main/java/net/minecraft/server/ItemTrident.java
+++ b/src/main/java/net/minecraft/server/ItemTrident.java
@@ -93,6 +93,16 @@ public class ItemTrident extends Item {
f2 *= f6 / f5;
f3 *= f6 / f5;
f4 *= f6 / f5;
+
+ // Purpur start
+ ItemStack chestItem = entityhuman.getEquipment(EnumItemSlot.CHEST);
+ if (chestItem.getItem() == Items.ELYTRA) {
+ if (world.purpurConfig.elytraDamagePerTridentBoost > 0) {
+ chestItem.damage(world.purpurConfig.elytraDamagePerTridentBoost, entityhuman, (entity) -> entity.sendBreakAnimation(EnumItemSlot.CHEST));
+ }
+ }
+ // Purpur end
+
entityhuman.f((double) f2, (double) f3, (double) f4);
entityhuman.q(20);
if (entityhuman.onGround) {
diff --git a/src/main/java/net/minecraft/server/Vec3D.java b/src/main/java/net/minecraft/server/Vec3D.java
index d2eb861af2..b89f9fe7b1 100644
--- a/src/main/java/net/minecraft/server/Vec3D.java
+++ b/src/main/java/net/minecraft/server/Vec3D.java
@@ -93,6 +93,7 @@ public class Vec3D implements IPosition {
return (double) MathHelper.sqrt(this.x * this.x + this.y * this.y + this.z * this.z);
}

+ public double length() { return this.g(); } // Purpur - OBFHELPER
public double g() {
return this.x * this.x + this.y * this.y + this.z * this.z;
}
diff --git a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
index 88a7e9ec6e..3b1438dd81 100644
--- a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
+++ b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
@@ -140,4 +140,17 @@ public class PurpurWorldConfig {
radiusVillagerIronGolemSpawns = getInt("radius-villager-iron-golem-spawns", radiusVillagerIronGolemSpawns);
limitVillagerIronGolemSpawns = getInt("limit-villager-iron-golem-spawns", limitVillagerIronGolemSpawns);
}
+
+ 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("elytra.damage-per-second", elytraDamagePerSecond);
+ elytraDamageMultiplyBySpeed = getDouble("elytra.damage-multiplied-by-speed", elytraDamageMultiplyBySpeed);
+ elytraIgnoreUnbreaking = getBoolean("elytra.ignore-unbreaking", elytraIgnoreUnbreaking);
+ elytraDamagePerFireworkBoost = getInt("elytra.damage-per-boost.firework", elytraDamagePerFireworkBoost);
+ elytraDamagePerTridentBoost = getInt("elytra.damage-per-boost.trident", elytraDamagePerTridentBoost);
+ }
}
--
2.20.1

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