From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Encode42 <me@encode42.dev>
Date: Sun, 7 Mar 2021 19:08:16 -0500
Subject: [PATCH] Configurable Ender Pearl cooldown, damage, and Endermite RNG

- Survival and Creative Cooldown speed
- Damage dealt on pearl usage
- Endermite spawn chance

diff --git a/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java b/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java
index e02d5dcbf69bd68b2f567c1a16a44ab59955f871..daf6701b20d03090ab4896e0c1897850300a2fea 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java
@@ -67,7 +67,7 @@ public class ThrownEnderpearl extends ThrowableItemProjectile {
                     Bukkit.getPluginManager().callEvent(teleEvent);
 
                     if (!teleEvent.isCancelled() && entityplayer.connection.isAcceptingMessages()) {
-                        if (this.random.nextFloat() < 0.05F && this.level().getGameRules().getBoolean(GameRules.RULE_DOMOBSPAWNING)) {
+                        if (this.random.nextFloat() < this.level().purpurConfig.enderPearlEndermiteChance && this.level().getGameRules().getBoolean(GameRules.RULE_DOMOBSPAWNING)) { // Purpur
                             Endermite entityendermite = (Endermite) EntityType.ENDERMITE.create(this.level());
 
                             if (entityendermite != null) {
@@ -83,7 +83,7 @@ public class ThrownEnderpearl extends ThrowableItemProjectile {
                         entityplayer.connection.teleport(teleEvent.getTo());
                         entity.resetFallDistance();
                         CraftEventFactory.entityDamage = this;
-                        entity.hurt(this.damageSources().fall(), 5.0F);
+                        entity.hurt(this.damageSources().fall(), this.level().purpurConfig.enderPearlDamage); // Purpur
                         CraftEventFactory.entityDamage = null;
                     }
                     // CraftBukkit end
diff --git a/src/main/java/net/minecraft/world/item/EnderpearlItem.java b/src/main/java/net/minecraft/world/item/EnderpearlItem.java
index 749ab72edc0d2e9c6f1161415ab8d59d3d6ca976..897c202c0905040072a06fdfa2032a7f9461b088 100644
--- a/src/main/java/net/minecraft/world/item/EnderpearlItem.java
+++ b/src/main/java/net/minecraft/world/item/EnderpearlItem.java
@@ -36,7 +36,7 @@ public class EnderpearlItem extends Item {
 
                 world.playSound((Player) null, user.getX(), user.getY(), user.getZ(), SoundEvents.ENDER_PEARL_THROW, SoundSource.NEUTRAL, 0.5F, 0.4F / (net.minecraft.world.entity.Entity.SHARED_RANDOM.nextFloat() * 0.4F + 0.8F));
                 user.awardStat(Stats.ITEM_USED.get(this));
-                user.getCooldowns().addCooldown(this, 20);
+                user.getCooldowns().addCooldown(this, user.getAbilities().instabuild ? world.purpurConfig.enderPearlCooldownCreative : world.purpurConfig.enderPearlCooldown); // Purpur
             } else {
                 // Paper end
                 if (user instanceof net.minecraft.server.level.ServerPlayer) {
diff --git a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
index 50d10795981069b031170ef0de3a50603541f1c8..c09528388118f2386de3de14b8c1cb8896ebf556 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
@@ -201,6 +201,10 @@ public class PurpurWorldConfig {
     public boolean ignoreScissorsInWater = false;
     public boolean ignoreScissorsInLava = false;
     public double scissorsRunningDamage = 1D;
+    public float enderPearlDamage = 5.0F;
+    public int enderPearlCooldown = 20;
+    public int enderPearlCooldownCreative = 20;
+    public float enderPearlEndermiteChance = 0.05F;
     private void itemSettings() {
         itemImmuneToCactus.clear();
         getList("gameplay-mechanics.item.immune.cactus", new ArrayList<>()).forEach(key -> {
@@ -242,6 +246,10 @@ public class PurpurWorldConfig {
         ignoreScissorsInWater = getBoolean("gameplay-mechanics.item.shears.ignore-in-water", ignoreScissorsInWater);
         ignoreScissorsInLava = getBoolean("gameplay-mechanics.item.shears.ignore-in-lava", ignoreScissorsInLava);
         scissorsRunningDamage = getDouble("gameplay-mechanics.item.shears.sprinting-damage", scissorsRunningDamage);
+        enderPearlDamage = (float) getDouble("gameplay-mechanics.item.ender-pearl.damage", enderPearlDamage);
+        enderPearlCooldown = getInt("gameplay-mechanics.item.ender-pearl.cooldown", enderPearlCooldown);
+        enderPearlCooldownCreative = getInt("gameplay-mechanics.item.ender-pearl.creative-cooldown", enderPearlCooldownCreative);
+        enderPearlEndermiteChance = (float) getDouble("gameplay-mechanics.item.ender-pearl.endermite-spawn-chance", enderPearlEndermiteChance);
     }
 
     public double minecartMaxSpeed = 0.4D;