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/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 1bb1be688326d79c34b589bd859f21c2d43c53b8..576d29c30d089b7cbdae6a3eb9aad0ca23e847eb 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -1042,9 +1042,20 @@ 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 c6d6e863c1626aa3eece4959f64d70bb0f701027..b1c20a1cf47a119bbe6b934d2c54cbaf143073c7 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
@@ -1199,6 +1199,7 @@ public class PurpurWorldConfig {
     public boolean creeperExplodeWhenKilled = false;
     public boolean creeperHealthRadius = false;
     public boolean creeperAlwaysDropExp = false;
+    public double creeperHeadVisibilityPercent = 0.5D;
     private void creeperSettings() {
         if (PurpurConfig.version < 10) {
             double oldValue = getDouble("mobs.creeper.attributes.max-health", creeperMaxHealth);
@@ -1213,6 +1214,7 @@ 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 double dolphinMaxHealth = 10.0D;
@@ -1811,6 +1813,7 @@ public class PurpurWorldConfig {
     public boolean piglinTakeDamageFromWater = false;
     public int piglinPortalSpawnModifier = 2000;
     public boolean piglinAlwaysDropExp = false;
+    public double piglinHeadVisibilityPercent = 0.5D;
     private void piglinSettings() {
         if (PurpurConfig.version < 10) {
             double oldValue = getDouble("mobs.piglin.attributes.max-health", piglinMaxHealth);
@@ -1822,6 +1825,7 @@ 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 double piglinBruteMaxHealth = 50.0D;
@@ -2024,6 +2028,7 @@ public class PurpurWorldConfig {
     public double skeletonMaxHealth = 20.0D;
     public boolean skeletonTakeDamageFromWater = false;
     public boolean skeletonAlwaysDropExp = false;
+    public double skeletonHeadVisibilityPercent = 0.5D;
     private void skeletonSettings() {
         if (PurpurConfig.version < 10) {
             double oldValue = getDouble("mobs.skeleton.attributes.max-health", skeletonMaxHealth);
@@ -2033,6 +2038,7 @@ public class PurpurWorldConfig {
         skeletonMaxHealth = getDouble("mobs.skeleton.attributes.max_health", skeletonMaxHealth);
         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 double skeletonHorseMaxHealthMin = 15.0D;
@@ -2426,6 +2432,7 @@ public class PurpurWorldConfig {
     public boolean zombieBypassMobGriefing = false;
     public boolean zombieTakeDamageFromWater = false;
     public boolean zombieAlwaysDropExp = false;
+    public double zombieHeadVisibilityPercent = 0.5D;
     private void zombieSettings() {
         if (PurpurConfig.version < 10) {
             double oldValue = getDouble("mobs.zombie.attributes.max-health", zombieMaxHealth);
@@ -2441,6 +2448,7 @@ 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 double zombieHorseMaxHealthMin = 15.0D;