From aa043148fa41d08e327742b33b432198469491d6 Mon Sep 17 00:00:00 2001
From: BillyGalbreath <blake.galbreath@gmail.com>
Date: Fri, 31 Dec 2021 06:40:35 -0600
Subject: [PATCH] Mob head visibility percent

---
 .../0251-Mob-head-visibility-percent.patch    | 82 +++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 patches/server/0251-Mob-head-visibility-percent.patch

diff --git a/patches/server/0251-Mob-head-visibility-percent.patch b/patches/server/0251-Mob-head-visibility-percent.patch
new file mode 100644
index 000000000..38264b20e
--- /dev/null
+++ b/patches/server/0251-Mob-head-visibility-percent.patch
@@ -0,0 +1,82 @@
+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 b6022415925d365931a1110f727d5a22a04b9cee..49238d8b25f4d8a477bd5bbf02e655fe02a99058 100644
+--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
++++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
+@@ -992,9 +992,17 @@ public abstract class LivingEntity extends Entity {
+             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.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;
++            }
++            // 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 d600414555e076047a2114255538f0a2ab3fbd94..7c35a14a02fb160918ef33d2c57666bc1f167a87 100644
+--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
++++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+@@ -1237,6 +1237,7 @@ 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);
+@@ -1253,6 +1254,7 @@ 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;
+@@ -2224,6 +2226,7 @@ public class PurpurWorldConfig {
+     public double skeletonMaxHealth = 20.0D;
+     public boolean skeletonTakeDamageFromWater = false;
+     public boolean skeletonAlwaysDropExp = false;
++    public double skeletonHeadVisibilityPercent = 0.5D;
+     private void skeletonSettings() {
+         skeletonRidable = getBoolean("mobs.skeleton.ridable", skeletonRidable);
+         skeletonRidableInWater = getBoolean("mobs.skeleton.ridable-in-water", skeletonRidableInWater);
+@@ -2235,6 +2238,7 @@ 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 boolean skeletonHorseRidableInWater = true;
+@@ -2707,6 +2711,7 @@ 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);
+@@ -2724,6 +2729,7 @@ 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 zombieHorseRidableInWater = false;