Add skeleton bow accuracy option

patches/server/0004-Purpur-config-files.patch

@@ -348,7 +348,7 @@ index 0000000000000000000000000000000000000000..6dbb2e10ed244845fe9f857b23758990
 +}
 diff --git a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..18cceb978c812162622f7285bbe18e647eb08017
+index 0000000000000000000000000000000000000000..98784ef305393ba90ca54efde363b2fea5757b3d
 --- /dev/null
 +++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
 @@ -0,0 +1,94 @@
@@ -358,6 +358,7 @@ index 0000000000000000000000000000000000000000..18cceb978c812162622f7285bbe18e64
 +import net.minecraft.core.Registry;
 +import net.minecraft.resources.ResourceLocation;
 +import net.minecraft.util.Mth;
++import net.minecraft.world.entity.Entity;
 +import net.minecraft.world.entity.EntityType;
 +import net.minecraft.world.item.DyeColor;
 +import net.minecraft.world.item.Item;
@@ -374,7 +375,6 @@ index 0000000000000000000000000000000000000000..18cceb978c812162622f7285bbe18e64
 +import org.bukkit.ChatColor;
 +import org.bukkit.World;
 +import org.bukkit.configuration.ConfigurationSection;
-+
 +import java.util.ArrayList;
 +import java.util.HashMap;
 +import java.util.List;

patches/server/0009-Configurable-entity-base-attributes.patch

@@ -5,7 +5,7 @@ Subject: [PATCH] Configurable entity base attributes
 
 
 diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
-index 3545d6ede83ebf000e05f873c62deed27403845e..6db529112934aa1414aee77bd0f3d2660a8ee105 100644
+index 3545d6ede83ebf000e05f873c62deed27403845e..55c5ec3a4ad21e2a10bd99a1560ee29f9ad9bd39 100644
 --- a/src/main/java/net/minecraft/world/entity/Entity.java
 +++ b/src/main/java/net/minecraft/world/entity/Entity.java
 @@ -156,7 +156,7 @@ import org.bukkit.plugin.PluginManager;
@@ -13,7 +13,7 @@ index 3545d6ede83ebf000e05f873c62deed27403845e..6db529112934aa1414aee77bd0f3d266
  
  public abstract class Entity implements Nameable, EntityAccess, CommandSource {
 -
-+    protected static javax.script.ScriptEngine scriptEngine = new javax.script.ScriptEngineManager().getEngineByName("rhino"); // Purpur
++    public static javax.script.ScriptEngine scriptEngine = new javax.script.ScriptEngineManager().getEngineByName("rhino"); // Purpur
      // CraftBukkit start
      private static final int CURRENT_LEVEL = 2;
      public boolean preserveMotion = true; // Paper - keep initial motion on first setPositionRotation
@@ -1464,7 +1464,7 @@ index 2ae9a5da91ad20f1b566a686dcc8d4f14c62ecc5..8bfa041297db79e8f1452ce7059d1536
  
      @Override
 diff --git a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
-index 2521c6f055b1631979cf281dc158c5f25623c259..74029209c431a709341161da6a0ac719188d5fac 100644
+index 3a9c885dd59bd5a8c3f54b8397701e4e0c9ca8b7..6255b208de609d4e0331d611c2f0c7bcb54df073 100644
 --- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
 +++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
 @@ -112,94 +112,166 @@ public class PurpurWorldConfig {

patches/server/0296-Add-skeleton-bow-accuracy-option.patch

@@ -0,0 +1,51 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: BillyGalbreath <blake.galbreath@gmail.com>
+Date: Fri, 2 Sep 2022 13:04:53 -0500
+Subject: [PATCH] Add skeleton bow accuracy option
+
+
+diff --git a/src/main/java/net/minecraft/world/entity/monster/AbstractSkeleton.java b/src/main/java/net/minecraft/world/entity/monster/AbstractSkeleton.java
+index e542407894f58fb8c0339a7a6d2e7b2cb5891eb4..0cfe5cb3ce0ac8554bbdb68c6658369306ce634c 100644
+--- a/src/main/java/net/minecraft/world/entity/monster/AbstractSkeleton.java
++++ b/src/main/java/net/minecraft/world/entity/monster/AbstractSkeleton.java
+@@ -179,7 +179,7 @@ public abstract class AbstractSkeleton extends Monster implements RangedAttackMo
+         double d2 = target.getZ() - this.getZ();
+         double d3 = Math.sqrt(d0 * d0 + d2 * d2);
+ 
+-        entityarrow.shoot(d0, d1 + d3 * 0.20000000298023224D, d2, 1.6F, (float) (14 - this.level.getDifficulty().getId() * 4));
++        entityarrow.shoot(d0, d1 + d3 * 0.20000000298023224D, d2, 1.6F, this.level.purpurConfig.skeletonBowAccuracyMap.getOrDefault(this.level.getDifficulty().getId(), (float) (14 - this.level.getDifficulty().getId() * 4))); // Purpur
+         // CraftBukkit start
+         org.bukkit.event.entity.EntityShootBowEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.callEntityShootBowEvent(this, this.getMainHandItem(), entityarrow.getPickupItem(), entityarrow, net.minecraft.world.InteractionHand.MAIN_HAND, 0.8F, true); // Paper
+         if (event.isCancelled()) {
+diff --git a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+index 86bd220bea97b13dedb8f9808aa4397f5253f981..3cf1451569128640fe5d6d9fc0fdc550de75c091 100644
+--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
++++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+@@ -2427,6 +2427,8 @@ public class PurpurWorldConfig {
+     public boolean skeletonAlwaysDropExp = false;
+     public double skeletonHeadVisibilityPercent = 0.5D;
+     public int skeletonFeedWitherRoses = 0;
++    public String skeletonBowAccuracy = "14 - difficulty * 4";
++    public Map<Integer, Float> skeletonBowAccuracyMap = new HashMap<>();
+     private void skeletonSettings() {
+         skeletonRidable = getBoolean("mobs.skeleton.ridable", skeletonRidable);
+         skeletonRidableInWater = getBoolean("mobs.skeleton.ridable-in-water", skeletonRidableInWater);
+@@ -2441,6 +2443,18 @@ public class PurpurWorldConfig {
+         skeletonAlwaysDropExp = getBoolean("mobs.skeleton.always-drop-exp", skeletonAlwaysDropExp);
+         skeletonHeadVisibilityPercent = getDouble("mobs.skeleton.head-visibility-percent", skeletonHeadVisibilityPercent);
+         skeletonFeedWitherRoses = getInt("mobs.skeleton.feed-wither-roses", skeletonFeedWitherRoses);
++        skeletonBowAccuracy = getString("mobs.skeleton.bow-accuracy", skeletonBowAccuracy);
++        for (int i = 1; i < 4; i++) {
++            float divergence;
++            try {
++                Entity.scriptEngine.eval("difficulty = " + i);
++                divergence = ((Double)Entity.scriptEngine.eval(skeletonBowAccuracy)).floatValue();
++            } catch (Exception e) {
++                e.printStackTrace();
++                continue;
++            }
++            skeletonBowAccuracyMap.put(i, divergence);
++        }
+     }
+ 
+     public boolean skeletonHorseRidableInWater = true;