From b9c09dbfcb41df6af10e05f1e49006534bcb8d6c Mon Sep 17 00:00:00 2001
From: Telesphoreo <me@telesphoreo.me>
Date: Sat, 11 Jun 2022 23:09:00 -0500
Subject: [PATCH] Create
 0022-Validate-coordinates-before-attempting-to-get-block-.patch

---
 ...ates-before-attempting-to-get-block-.patch | 60 +++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 patches/server/0022-Validate-coordinates-before-attempting-to-get-block-.patch

diff --git a/patches/server/0022-Validate-coordinates-before-attempting-to-get-block-.patch b/patches/server/0022-Validate-coordinates-before-attempting-to-get-block-.patch
new file mode 100644
index 0000000..7ca2b28
--- /dev/null
+++ b/patches/server/0022-Validate-coordinates-before-attempting-to-get-block-.patch
@@ -0,0 +1,60 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Telesphoreo <me@telesphoreo.me>
+Date: Sat, 11 Jun 2022 23:05:12 -0500
+Subject: [PATCH] Validate coordinates before attempting to get block entities
+ when handling Creative Inventory packets
+
+
+diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+index 630a762b71861bfe21c47a11d4fe05e1a3b7d339..f13b4e880c179e4f6e76cc0a2655b9f148a08290 100644
+--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
++++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+@@ -1837,6 +1837,18 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
+     }
+     // Spigot end
+ 
++    // Scissors start - Readd the following Paper code
++    // Paper start
++    private static final int SURVIVAL_PLACE_DISTANCE_SQUARED = 6 * 6;
++    private static final int CREATIVE_PLACE_DISTANCE_SQUARED = 7 * 7;
++    private boolean isOutsideOfReach(double x, double y, double z) {
++        Location eyeLoc = this.getCraftPlayer().getEyeLocation();
++        double reachDistance = org.bukkit.util.NumberConversions.square(eyeLoc.getX() - x) + org.bukkit.util.NumberConversions.square(eyeLoc.getY() - y) + org.bukkit.util.NumberConversions.square(eyeLoc.getZ() - z);
++        return reachDistance > (this.getCraftPlayer().getGameMode() == org.bukkit.GameMode.CREATIVE ? CREATIVE_PLACE_DISTANCE_SQUARED : SURVIVAL_PLACE_DISTANCE_SQUARED);
++    }
++    // Paper end
++    // Scissors end
++
+     @Override
+     public void handleUseItemOn(ServerboundUseItemOnPacket packet) {
+         PacketUtils.ensureRunningOnSameThread(packet, this, this.player.getLevel());
+@@ -3182,15 +3194,22 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
+             if (!itemstack.isEmpty() && nbttagcompound != null && nbttagcompound.contains("x") && nbttagcompound.contains("y") && nbttagcompound.contains("z") && this.player.getBukkitEntity().hasPermission("minecraft.nbt.copy")) { // Spigot
+                 BlockPos blockposition = BlockEntity.getPosFromTag(nbttagcompound);
+                 // Paper start
+-                BlockEntity tileentity = null;
+-                if (this.player.distanceToSqr(blockposition.getX(), blockposition.getY(), blockposition.getZ()) < 32 * 32 && this.player.getLevel().isLoadedAndInBounds(blockposition)) {
+-                    tileentity = this.player.level.getBlockEntity(blockposition);
+-                }
+-                // Paper end
++                // Scissors start - Validate coordinates and whether the player can reach them
++                if (Level.isInSpawnableBounds(blockposition) && !isOutsideOfReach(blockposition.getX(), blockposition.getY(), blockposition.getZ()))
++                {
++                    BlockEntity tileentity = null;
++                    if (this.player.distanceToSqr(blockposition.getX(), blockposition.getY(), blockposition.getZ()) < 32 * 32 && this.player.getLevel().isLoadedAndInBounds(blockposition))
++                    {
++                        tileentity = this.player.level.getBlockEntity(blockposition);
++                    }
++                    // Paper end
+ 
+-                if (tileentity != null) {
+-                    tileentity.saveToItem(itemstack);
++                    if (tileentity != null)
++                    {
++                        tileentity.saveToItem(itemstack);
++                    }
+                 }
++                // Scissors end
+             }
+ 
+             boolean flag1 = packet.getSlotNum() >= 1 && packet.getSlotNum() <= 45;