Updated Upstream (Bukkit/CraftBukkit) (#10242)

* Updated Upstream (Bukkit/CraftBukkit)

Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
a6a9d2a4 Remove some old ApiStatus.Experimental annotations
be72314c SPIGOT-7300, PR-829: Add new DamageSource API providing enhanced information about entity damage
b252cf05 SPIGOT-7576, PR-970: Add methods in MushroomCow to change stew effects
b1c689bd PR-902: Add Server#isLoggingIPs to get log-ips configuration
08f86d1c PR-971: Add Player methods for client-side potion effects
2e3024a9 PR-963: Add API for in-world structures
a23292a7 SPIGOT-7530, PR-948: Improve Resource Pack API with new 1.20.3 functionality
1851857b SPIGOT-3071, PR-969: Add entity spawn method with spawn reason
cde4c52a SPIGOT-5553, PR-964: Add EntityKnockbackEvent

CraftBukkit Changes:
38fd4bd50 Fix accidentally renamed internal damage method
80f0ce4be SPIGOT-7300, PR-1180: Add new DamageSource API providing enhanced information about entity damage
7e43f3b16 SPIGOT-7581: Fix typo in BlockMushroom
ea14b7d90 SPIGOT-7576, PR-1347: Add methods in MushroomCow to change stew effects
4c687f243 PR-1259: Add Server#isLoggingIPs to get log-ips configuration
22a541a29 Improve support for per-world game rules
cb7dccce2 PR-1348: Add Player methods for client-side potion effects
b8d6109f0 PR-1335: Add API for in-world structures
4398a1b5b SPIGOT-7577: Make CraftWindCharge#explode discard the entity
e74107678 Fix Crafter maximum stack size
0bb0f4f6a SPIGOT-7530, PR-1314: Improve Resource Pack API with new 1.20.3 functionality
4949f556d SPIGOT-3071, PR-1345: Add entity spawn method with spawn reason
20ac73ca2 PR-1353: Fix Structure#place not working as documented with 0 palette
3c1b77871 SPIGOT-6911, PR-1349: Change max book length in CraftMetaBook
333701839 SPIGOT-7572: Bee nests generated without bees
f48f4174c SPIGOT-5553, PR-1336: Add EntityKnockbackEvent

1 files changed, 64 insertions, 0 deletions

diff --git a/patches/server/0563-Add-Mob-lookAt-API.patch b/patches/server/0563-Add-Mob-lookAt-API.patch
new file mode 100644
index 0000000000..ddfa31827a
--- /dev/null
+++ b/patches/server/0563-Add-Mob-lookAt-API.patch
@@ -0,0 +1,64 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: BillyGalbreath <[email protected]>
+Date: Fri, 14 May 2021 13:42:17 -0500
+Subject: [PATCH] Add Mob#lookAt API
+
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
+index 0ad9885f939bcb50026d50ed78b970a44772ceb8..fc83dde12957e575a4f1d4bee73c320bab95606f 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
+@@ -99,5 +99,53 @@ public abstract class CraftMob extends CraftLivingEntity implements Mob {
+     public boolean isInDaylight() {
+         return getHandle().isSunBurnTick();
+     }
++
++    @Override
++    public void lookAt(@org.jetbrains.annotations.NotNull org.bukkit.Location location) {
++        com.google.common.base.Preconditions.checkNotNull(location, "location cannot be null");
++        com.google.common.base.Preconditions.checkArgument(location.getWorld().equals(getWorld()), "location in a different world");
++        getHandle().getLookControl().setLookAt(location.getX(), location.getY(), location.getZ());
++    }
++
++    @Override
++    public void lookAt(@org.jetbrains.annotations.NotNull org.bukkit.Location location, float headRotationSpeed, float maxHeadPitch) {
++        com.google.common.base.Preconditions.checkNotNull(location, "location cannot be null");
++        com.google.common.base.Preconditions.checkArgument(location.getWorld().equals(getWorld()), "location in a different world");
++        getHandle().getLookControl().setLookAt(location.getX(), location.getY(), location.getZ(), headRotationSpeed, maxHeadPitch);
++    }
++
++    @Override
++    public void lookAt(@org.jetbrains.annotations.NotNull org.bukkit.entity.Entity entity) {
++        com.google.common.base.Preconditions.checkNotNull(entity, "entity cannot be null");
++        com.google.common.base.Preconditions.checkArgument(entity.getWorld().equals(getWorld()), "entity in a different world");
++        getHandle().getLookControl().setLookAt(((CraftEntity) entity).getHandle());
++    }
++
++    @Override
++    public void lookAt(@org.jetbrains.annotations.NotNull org.bukkit.entity.Entity entity, float headRotationSpeed, float maxHeadPitch) {
++        com.google.common.base.Preconditions.checkNotNull(entity, "entity cannot be null");
++        com.google.common.base.Preconditions.checkArgument(entity.getWorld().equals(getWorld()), "entity in a different world");
++        getHandle().getLookControl().setLookAt(((CraftEntity) entity).getHandle(), headRotationSpeed, maxHeadPitch);
++    }
++
++    @Override
++    public void lookAt(double x, double y, double z) {
++        getHandle().getLookControl().setLookAt(x, y, z);
++    }
++
++    @Override
++    public void lookAt(double x, double y, double z, float headRotationSpeed, float maxHeadPitch) {
++        getHandle().getLookControl().setLookAt(x, y, z, headRotationSpeed, maxHeadPitch);
++    }
++
++    @Override
++    public int getHeadRotationSpeed() {
++        return getHandle().getHeadRotSpeed();
++    }
++
++    @Override
++    public int getMaxHeadPitch() {
++        return getHandle().getMaxHeadXRot();
++    }
+     // Paper end
+ }