🎉🎉 1/4 OF THE PATCHES ARE DONE 🎉🎉

patches/server/0048-Players-should-not-cram-to-death.patch

@@ -0,0 +1,19 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: William Blake Galbreath <blake.galbreath@gmail.com>
+Date: Sun, 21 Jul 2019 18:01:46 -0500
+Subject: [PATCH] Players should not cram to death
+
+
+diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
+index a8f1aa81ec02deb75efef820508ec4be79545be8..70f39fe5f9693762a0a765c58cb52bad354ec138 100644
+--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
++++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
+@@ -1402,7 +1402,7 @@ public class ServerPlayer extends Player {
+ 
+     @Override
+     public boolean isInvulnerableTo(DamageSource damageSource) {
+-        return super.isInvulnerableTo(damageSource) || this.isChangingDimension() || this.getAbilities().invulnerable && damageSource == DamageSource.WITHER;
++        return super.isInvulnerableTo(damageSource) || this.isChangingDimension() || damageSource == DamageSource.CRAMMING || this.getAbilities().invulnerable && damageSource == DamageSource.WITHER; // Purpur
+     }
+ 
+     @Override

patches/server/0049-Option-to-toggle-milk-curing-bad-omen.patch

@@ -0,0 +1,44 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: William Blake Galbreath <blake.galbreath@gmail.com>
+Date: Wed, 10 Jul 2019 20:43:05 -0500
+Subject: [PATCH] Option to toggle milk curing bad omen
+
+
+diff --git a/src/main/java/net/minecraft/world/item/MilkBucketItem.java b/src/main/java/net/minecraft/world/item/MilkBucketItem.java
+index f33977d95b6db473be4f95075ba99caf90ad0220..56dc04d8875971ee9a5d077a695509af74fe2473 100644
+--- a/src/main/java/net/minecraft/world/item/MilkBucketItem.java
++++ b/src/main/java/net/minecraft/world/item/MilkBucketItem.java
+@@ -5,6 +5,8 @@ import net.minecraft.server.level.ServerPlayer;
+ import net.minecraft.stats.Stats;
+ import net.minecraft.world.InteractionHand;
+ import net.minecraft.world.InteractionResultHolder;
++import net.minecraft.world.effect.MobEffectInstance;
++import net.minecraft.world.effect.MobEffects;
+ import net.minecraft.world.entity.LivingEntity;
+ import net.minecraft.world.entity.player.Player;
+ import net.minecraft.world.level.Level;
+@@ -31,7 +33,9 @@ public class MilkBucketItem extends Item {
+         }
+ 
+         if (!world.isClientSide) {
++            MobEffectInstance badOmen = user.getEffect(MobEffects.BAD_OMEN);
+             user.removeAllEffects(org.bukkit.event.entity.EntityPotionEffectEvent.Cause.MILK); // CraftBukkit
++            if (!world.purpurConfig.milkCuresBadOmen && badOmen != null) user.addEffect(badOmen); // Purpur
+         }
+ 
+         return stack.isEmpty() ? new ItemStack(Items.BUCKET) : stack;
+diff --git a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
+index ecca777f038f90f5f731777dde2e6cfd39af9bb7..d50fb2d82b1fc19d8d8249b72b80e0b11018e35f 100644
+--- a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
++++ b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
+@@ -147,8 +147,10 @@ public class PurpurWorldConfig {
+     }
+ 
+     public boolean disableDropsOnCrammingDeath = false;
++    public boolean milkCuresBadOmen = true;
+     private void miscGameplayMechanicsSettings() {
+         disableDropsOnCrammingDeath = getBoolean("gameplay-mechanics.disable-drops-on-cramming-death", disableDropsOnCrammingDeath);
++        milkCuresBadOmen = getBoolean("gameplay-mechanics.milk-cures-bad-omen", milkCuresBadOmen);
+     }
+ 
+     public int playerSpawnInvulnerableTicks = 60;

patches/server/0050-End-gateway-should-check-if-entity-can-use-portal.patch

@@ -0,0 +1,18 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: William Blake Galbreath <blake.galbreath@gmail.com>
+Date: Sat, 21 Mar 2020 18:33:05 -0500
+Subject: [PATCH] End gateway should check if entity can use portal
+
+
+diff --git a/src/main/java/net/minecraft/world/level/block/entity/TheEndGatewayBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/TheEndGatewayBlockEntity.java
+index 782becb96b6300f14deee360b653dc99c57fdc12..09cbce5aec6eabfa220f7de81b492a180cb8ca1e 100644
+--- a/src/main/java/net/minecraft/world/level/block/entity/TheEndGatewayBlockEntity.java
++++ b/src/main/java/net/minecraft/world/level/block/entity/TheEndGatewayBlockEntity.java
+@@ -178,6 +178,7 @@ public class TheEndGatewayBlockEntity extends TheEndPortalBlockEntity {
+ 
+     public static void teleportEntity(Level world, BlockPos pos, BlockState state, Entity entity, TheEndGatewayBlockEntity blockEntity) {
+         if (world instanceof ServerLevel && !blockEntity.isCoolingDown()) {
++            if (!entity.canChangeDimensions()) return; // Purpur
+             ServerLevel worldserver = (ServerLevel) world;
+ 
+             blockEntity.teleportCooldown = 100;

patches/server/0051-Fix-the-dead-lagging-the-server.patch

@@ -0,0 +1,31 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: William Blake Galbreath <blake.galbreath@gmail.com>
+Date: Fri, 6 Mar 2020 13:37:26 -0600
+Subject: [PATCH] Fix the dead lagging the server
+
+
+diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
+index 985d097326ce3df372283217ce24371396307e0e..0583989b98d9a674a4feba30fbbb93e20724d375 100644
+--- a/src/main/java/net/minecraft/world/entity/Entity.java
++++ b/src/main/java/net/minecraft/world/entity/Entity.java
+@@ -1549,6 +1549,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n
+         this.setXRot(Mth.clamp(pitch, -90.0F, 90.0F) % 360.0F);
+         this.yRotO = this.getYRot();
+         this.xRotO = this.getXRot();
++        if (valid && !this.isRemoved()) level.getChunk((int) Math.floor(this.getX()) >> 4, (int) Math.floor(this.getZ()) >> 4); // CraftBukkit // Paper // Purpur
+     }
+ 
+     public void absMoveTo(double x, double y, double z) {
+diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
+index 3cf3a6ba7bec27ce2ae9b294b0676fdc6c9e38b6..05e66973f19dacdf0609703b8a7c7c302b90e50f 100644
+--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
++++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
+@@ -2876,7 +2876,7 @@ public abstract class LivingEntity extends Entity {
+             }
+         }
+ 
+-        this.aiStep();
++        if (!this.isRemoved()) this.aiStep(); // Purpur
+         double d0 = this.getX() - this.xo;
+         double d1 = this.getZ() - this.zo;
+         float f = (float) (d0 * d0 + d1 * d1);

patches/server/0052-Skip-events-if-there-s-no-listeners.patch

@@ -0,0 +1,26 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: William Blake Galbreath <blake.galbreath@gmail.com>
+Date: Sat, 4 Apr 2020 03:07:59 -0500
+Subject: [PATCH] Skip events if there's no listeners
+
+
+diff --git a/src/main/java/net/minecraft/commands/Commands.java b/src/main/java/net/minecraft/commands/Commands.java
+index ff4f48f6646060b398e8bf90a078e7fbf84beada..d478627dcd2b6e3d3d95b3fa224a25d44e6bbafb 100644
+--- a/src/main/java/net/minecraft/commands/Commands.java
++++ b/src/main/java/net/minecraft/commands/Commands.java
+@@ -375,6 +375,7 @@ public class Commands {
+     }
+ 
+     private void runSync(ServerPlayer entityplayer, Collection<String> bukkit, RootCommandNode<SharedSuggestionProvider> rootcommandnode) {
++        if (PlayerCommandSendEvent.getHandlerList().getRegisteredListeners().length > 0) { // Purpur - skip all this crap if there's nothing listening
+         // Paper end - Async command map building
+         new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendCommandsEvent<CommandSourceStack>(entityplayer.getBukkitEntity(), (RootCommandNode) rootcommandnode, false).callEvent(); // Paper
+         PlayerCommandSendEvent event = new PlayerCommandSendEvent(entityplayer.getBukkitEntity(), new LinkedHashSet<>(bukkit));
+@@ -387,6 +388,7 @@ public class Commands {
+             }
+         }
+         // CraftBukkit end
++        } // Purpur - skip event
+         entityplayer.connection.send(new ClientboundCommandsPacket(rootcommandnode));
+     }
+ 

patches/server/0053-Add-permission-for-F3-N-debug.patch

@@ -0,0 +1,18 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: William Blake Galbreath <blake.galbreath@gmail.com>
+Date: Sat, 28 Dec 2019 04:21:54 -0600
+Subject: [PATCH] Add permission for F3+N debug
+
+
+diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
+index 3c1e2c69b4661e3085b95f212737f0010711e888..0dfb808a2b47dcd2d2ae34df3f0caa874a6bbe62 100644
+--- a/src/main/java/net/minecraft/server/players/PlayerList.java
++++ b/src/main/java/net/minecraft/server/players/PlayerList.java
+@@ -1146,6 +1146,7 @@ public abstract class PlayerList {
+             } else {
+                 b0 = (byte) (24 + i);
+             }
++            if (b0 < 28 && entityplayer.getBukkitEntity().hasPermission("purpur.debug.f3n")) b0 = 28; // Purpur
+ 
+             entityplayer.connection.send(new ClientboundEntityEventPacket(entityplayer, b0));
+         }

patches/server/0054-Add-wither-skeleton-takes-wither-damage-option.patch

@@ -0,0 +1,34 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: William Blake Galbreath <blake.galbreath@gmail.com>
+Date: Tue, 14 Jan 2020 19:43:40 -0600
+Subject: [PATCH] Add wither skeleton takes wither damage option
+
+
+diff --git a/src/main/java/net/minecraft/world/entity/monster/WitherSkeleton.java b/src/main/java/net/minecraft/world/entity/monster/WitherSkeleton.java
+index 033d6389e4b7d986fc63abd67e325b68a6132824..f290c7b50c48b798697c49c73870045733a37362 100644
+--- a/src/main/java/net/minecraft/world/entity/monster/WitherSkeleton.java
++++ b/src/main/java/net/minecraft/world/entity/monster/WitherSkeleton.java
+@@ -122,6 +122,6 @@ public class WitherSkeleton extends AbstractSkeleton {
+ 
+     @Override
+     public boolean canBeAffected(MobEffectInstance effect) {
+-        return effect.getEffect() == MobEffects.WITHER ? false : super.canBeAffected(effect);
++        return (level.purpurConfig.witherSkeletonTakesWitherDamage || effect.getEffect() != MobEffects.WITHER) && super.canBeAffected(effect); // Purpur
+     }
+ }
+diff --git a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
+index d50fb2d82b1fc19d8d8249b72b80e0b11018e35f..b22f020c24969cf66445570efc1984acb63f03ce 100644
+--- a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
++++ b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
+@@ -313,6 +313,11 @@ public class PurpurWorldConfig {
+         villagerUseBrainTicksOnlyWhenLagging = getBoolean("mobs.villager.use-brain-ticks-only-when-lagging", villagerUseBrainTicksOnlyWhenLagging);
+     }
+ 
++    public boolean witherSkeletonTakesWitherDamage = false;
++    private void witherSkeletonSettings() {
++        witherSkeletonTakesWitherDamage = getBoolean("mobs.wither_skeleton.takes-wither-damage", witherSkeletonTakesWitherDamage);
++    }
++
+     public double zombieHorseSpawnChance = 0.0D;
+     private void zombieHorseSettings() {
+         zombieHorseSpawnChance = getDouble("mobs.zombie_horse.spawn-chance", zombieHorseSpawnChance);

patches/server/0055-Configurable-TPS-Catchup.patch

@@ -0,0 +1,39 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: William Blake Galbreath <blake.galbreath@gmail.com>
+Date: Thu, 26 Mar 2020 19:06:22 -0500
+Subject: [PATCH] Configurable TPS Catchup
+
+
+diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
+index 33c0fad3f0a7283d193eb23afd210c0d912b5c2d..98b7ccbd1ee4d14fde0cdea2c08c432709fa6e56 100644
+--- a/src/main/java/net/minecraft/server/MinecraftServer.java
++++ b/src/main/java/net/minecraft/server/MinecraftServer.java
+@@ -1182,7 +1182,13 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
+                     this.tickServer(this::haveTime);
+                     this.profiler.popPush("nextTickWait");
+                     this.mayHaveDelayedTasks = true;
+-                    this.delayedTasksMaxNextTickTime = Math.max(Util.getMillis() + 50L, this.nextTickTime);
++                    // Purpur start - tps catchup
++                    if (net.pl3x.purpur.PurpurConfig.tpsCatchup) {
++                        this.delayedTasksMaxNextTickTime = Math.max(Util.getMillis() + 50L, this.nextTickTime);
++                    } else {
++                        this.delayedTasksMaxNextTickTime = this.nextTickTime = curTime / 1000000L + 50L;
++                    }
++                    // Purpur end - tps catchup
+                     this.waitUntilNextTick();
+                     this.profiler.pop();
+                     this.endMetricsRecordingTick();
+diff --git a/src/main/java/net/pl3x/purpur/PurpurConfig.java b/src/main/java/net/pl3x/purpur/PurpurConfig.java
+index 561c27bc5c23e3761018b8475ad1512d880418fc..3e70e16c5d1e515295efe7cbe6b718e388c01903 100644
+--- a/src/main/java/net/pl3x/purpur/PurpurConfig.java
++++ b/src/main/java/net/pl3x/purpur/PurpurConfig.java
+@@ -188,4 +188,9 @@ public class PurpurConfig {
+         loggerSuppressInitLegacyMaterialError = getBoolean("settings.logger.suppress-init-legacy-material-errors", loggerSuppressInitLegacyMaterialError);
+         loggerSuppressIgnoredAdvancementWarnings = getBoolean("settings.logger.suppress-ignored-advancement-warnings", loggerSuppressIgnoredAdvancementWarnings);
+     }
++
++    public static boolean tpsCatchup = true;
++    private static void tpsCatchup() {
++        tpsCatchup = getBoolean("settings.tps-catchup", tpsCatchup);
++    }
+ }