From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: BillyGalbreath <blake.galbreath@gmail.com>
Date: Fri, 31 Dec 2021 06:40:19 -0600
Subject: [PATCH] Mob head visibility percent


diff --git a/net/minecraft/world/entity/LivingEntity.java b/net/minecraft/world/entity/LivingEntity.java
index c7e2330e7f30081dbf5d79f08c8adb1d7d84fa03..480617d9e59bfbb21cccf2555616ad3985b7f7be 100644
--- a/net/minecraft/world/entity/LivingEntity.java
+++ b/net/minecraft/world/entity/LivingEntity.java
@@ -1069,9 +1069,20 @@ public abstract class LivingEntity extends Entity implements Attackable {
             ItemStack itemstack = this.getItemBySlot(EquipmentSlot.HEAD);
             EntityType<?> entitytypes = entity.getType();
 
-            if (entitytypes == EntityType.SKELETON && itemstack.is(Items.SKELETON_SKULL) || entitytypes == EntityType.ZOMBIE && itemstack.is(Items.ZOMBIE_HEAD) || entitytypes == EntityType.PIGLIN && itemstack.is(Items.PIGLIN_HEAD) || entitytypes == EntityType.PIGLIN_BRUTE && itemstack.is(Items.PIGLIN_HEAD) || entitytypes == EntityType.CREEPER && itemstack.is(Items.CREEPER_HEAD)) {
-                d0 *= 0.5D;
+            // Purpur start
+            if (entitytypes == EntityType.SKELETON && itemstack.is(Items.SKELETON_SKULL)) {
+                d0 *= entity.level().purpurConfig.skeletonHeadVisibilityPercent;
+            }
+            else if (entitytypes == EntityType.ZOMBIE && itemstack.is(Items.ZOMBIE_HEAD)) {
+                d0 *= entity.level().purpurConfig.zombieHeadVisibilityPercent;
+            }
+            else if (entitytypes == EntityType.CREEPER && itemstack.is(Items.CREEPER_HEAD)) {
+                d0 *= entity.level().purpurConfig.creeperHeadVisibilityPercent;
             }
+            else if ((entitytypes == EntityType.PIGLIN || entitytypes == EntityType.PIGLIN_BRUTE) && itemstack.is(Items.PIGLIN_HEAD)) {
+                d0 *= entity.level().purpurConfig.piglinHeadVisibilityPercent;
+            }
+            // Purpur end
 
             // Purpur start
             if (entity instanceof LivingEntity entityliving) {
diff --git a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
index 0d5fb6e2b4d46c6de5222190d2c5535a233c1067..2c1a380a423e4858f7c1c617fb53e169c882247f 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
@@ -1401,6 +1401,7 @@ public class PurpurWorldConfig {
     public boolean creeperExplodeWhenKilled = false;
     public boolean creeperHealthRadius = false;
     public boolean creeperAlwaysDropExp = false;
+    public double creeperHeadVisibilityPercent = 0.5D;
     private void creeperSettings() {
         creeperRidable = getBoolean("mobs.creeper.ridable", creeperRidable);
         creeperRidableInWater = getBoolean("mobs.creeper.ridable-in-water", creeperRidableInWater);
@@ -1419,6 +1420,7 @@ public class PurpurWorldConfig {
         creeperExplodeWhenKilled = getBoolean("mobs.creeper.explode-when-killed", creeperExplodeWhenKilled);
         creeperHealthRadius = getBoolean("mobs.creeper.health-impacts-explosion", creeperHealthRadius);
         creeperAlwaysDropExp = getBoolean("mobs.creeper.always-drop-exp", creeperAlwaysDropExp);
+        creeperHeadVisibilityPercent = getDouble("mobs.creeper.head-visibility-percent", creeperHeadVisibilityPercent);
     }
 
     public boolean dolphinRidable = false;
@@ -2246,6 +2248,7 @@ public class PurpurWorldConfig {
     public boolean piglinTakeDamageFromWater = false;
     public int piglinPortalSpawnModifier = 2000;
     public boolean piglinAlwaysDropExp = false;
+    public double piglinHeadVisibilityPercent = 0.5D;
     private void piglinSettings() {
         piglinRidable = getBoolean("mobs.piglin.ridable", piglinRidable);
         piglinRidableInWater = getBoolean("mobs.piglin.ridable-in-water", piglinRidableInWater);
@@ -2261,6 +2264,7 @@ public class PurpurWorldConfig {
         piglinTakeDamageFromWater = getBoolean("mobs.piglin.takes-damage-from-water", piglinTakeDamageFromWater);
         piglinPortalSpawnModifier = getInt("mobs.piglin.portal-spawn-modifier", piglinPortalSpawnModifier);
         piglinAlwaysDropExp = getBoolean("mobs.piglin.always-drop-exp", piglinAlwaysDropExp);
+        piglinHeadVisibilityPercent = getDouble("mobs.piglin.head-visibility-percent", piglinHeadVisibilityPercent);
     }
 
     public boolean piglinBruteRidable = false;
@@ -2545,6 +2549,7 @@ public class PurpurWorldConfig {
     public double skeletonScale = 1.0D;
     public boolean skeletonTakeDamageFromWater = false;
     public boolean skeletonAlwaysDropExp = false;
+    public double skeletonHeadVisibilityPercent = 0.5D;
     private void skeletonSettings() {
         skeletonRidable = getBoolean("mobs.skeleton.ridable", skeletonRidable);
         skeletonRidableInWater = getBoolean("mobs.skeleton.ridable-in-water", skeletonRidableInWater);
@@ -2558,6 +2563,7 @@ public class PurpurWorldConfig {
         skeletonScale = Mth.clamp(getDouble("mobs.skeleton.attributes.scale", skeletonScale), 0.0625D, 16.0D);
         skeletonTakeDamageFromWater = getBoolean("mobs.skeleton.takes-damage-from-water", skeletonTakeDamageFromWater);
         skeletonAlwaysDropExp = getBoolean("mobs.skeleton.always-drop-exp", skeletonAlwaysDropExp);
+        skeletonHeadVisibilityPercent = getDouble("mobs.skeleton.head-visibility-percent", skeletonHeadVisibilityPercent);
     }
 
     public boolean skeletonHorseRidable = false;
@@ -3131,6 +3137,7 @@ public class PurpurWorldConfig {
     public boolean zombieBypassMobGriefing = false;
     public boolean zombieTakeDamageFromWater = false;
     public boolean zombieAlwaysDropExp = false;
+    public double zombieHeadVisibilityPercent = 0.5D;
     private void zombieSettings() {
         zombieRidable = getBoolean("mobs.zombie.ridable", zombieRidable);
         zombieRidableInWater = getBoolean("mobs.zombie.ridable-in-water", zombieRidableInWater);
@@ -3150,6 +3157,7 @@ public class PurpurWorldConfig {
         zombieBypassMobGriefing = getBoolean("mobs.zombie.bypass-mob-griefing", zombieBypassMobGriefing);
         zombieTakeDamageFromWater = getBoolean("mobs.zombie.takes-damage-from-water", zombieTakeDamageFromWater);
         zombieAlwaysDropExp = getBoolean("mobs.zombie.always-drop-exp", zombieAlwaysDropExp);
+        zombieHeadVisibilityPercent = getDouble("mobs.zombie.head-visibility-percent", zombieHeadVisibilityPercent);
     }
 
     public boolean zombieHorseRidable = false;