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 bd2684528157f928460f2143dd71a48e11983123..a044a5242ce1d1f6e34ecd5b4568553428d2f0b8 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java
@@ -152,7 +152,7 @@ public class ThrownEnderpearl extends ThrowableItemProjectile {
                                 return;
                             }
                             // CraftBukkit end
-                            if (this.random.nextFloat() < 0.05F && worldserver.getGameRules().getBoolean(GameRules.RULE_DOMOBSPAWNING)) {
+                            if (this.random.nextFloat() < worldserver.purpurConfig.enderPearlEndermiteChance && worldserver.getGameRules().getBoolean(GameRules.RULE_DOMOBSPAWNING)) { // Purpur
                                 Endermite entityendermite = (Endermite) EntityType.ENDERMITE.create(worldserver, EntitySpawnReason.TRIGGERED);
 
                                 if (entityendermite != null) {
@@ -170,7 +170,7 @@ public class ThrownEnderpearl extends ThrowableItemProjectile {
                             if (entityplayer1 != null) {
                                 entityplayer1.resetFallDistance();
                                 entityplayer1.resetCurrentImpulseContext();
-                                entityplayer1.hurtServer(entityplayer.serverLevel(), this.damageSources().enderPearl().customEventDamager(this), 5.0F); // CraftBukkit // Paper - fix DamageSource API
+                                entityplayer1.hurtServer(entityplayer.serverLevel(), this.damageSources().enderPearl().customEventDamager(this), this.level().purpurConfig.enderPearlDamage); // CraftBukkit // Paper - fix DamageSource API // Purpur
                             }
 
                             this.playSound(worldserver, vec3d);
diff --git a/src/main/java/net/minecraft/world/item/EnderpearlItem.java b/src/main/java/net/minecraft/world/item/EnderpearlItem.java
index b232390d8ee8e449e61c0ea7f3af60df507abb97..ad99c6fb7bcd8ccbdeb405ca7ff73ae4d1c2f2ee 100644
--- a/src/main/java/net/minecraft/world/item/EnderpearlItem.java
+++ b/src/main/java/net/minecraft/world/item/EnderpearlItem.java
@@ -35,6 +35,7 @@ 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 / (world.getRandom().nextFloat() * 0.4F + 0.8F));
                 user.awardStat(Stats.ITEM_USED.get(this));
+                user.getCooldowns().addCooldown(itemstack, user.getAbilities().instabuild ? world.purpurConfig.enderPearlCooldownCreative : world.purpurConfig.enderPearlCooldown); // Purpur
             } else {
             // Paper end - PlayerLaunchProjectileEvent
                 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 317d79355d534a484aabfdd6776cb8ff5b6f3d79..64d202df3bf8219d391f23b9c5f0be328ec55947 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
@@ -195,6 +195,10 @@ 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 -> {
@@ -236,6 +240,10 @@ 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;