PaperMC/paper-server/nms-patches/net/minecraft/world/inventory/ContainerCartography.patch

--- a/net/minecraft/world/inventory/ContainerCartography.java
+++ b/net/minecraft/world/inventory/ContainerCartography.java
@@ -14,8 +14,30 @@
 import net.minecraft.world.level.block.Blocks;
 import net.minecraft.world.level.saveddata.maps.WorldMap;
 
+// CraftBukkit start
+import org.bukkit.Location;
+import org.bukkit.craftbukkit.inventory.CraftInventoryCartography;
+import org.bukkit.craftbukkit.inventory.CraftInventoryView;
+import org.bukkit.entity.Player;
+// CraftBukkit end
+
 public class ContainerCartography extends Container {
 
+    // CraftBukkit start
+    private CraftInventoryView bukkitEntity = null;
+    private Player player;
+
+    @Override
+    public CraftInventoryView getBukkitView() {
+        if (bukkitEntity != null) {
+            return bukkitEntity;
+        }
+
+        CraftInventoryCartography inventory = new CraftInventoryCartography(this.container, this.resultContainer);
+        bukkitEntity = new CraftInventoryView(this.player, inventory, this);
+        return bukkitEntity;
+    }
+    // CraftBukkit end
     public static final int MAP_SLOT = 0;
     public static final int ADDITIONAL_SLOT = 1;
     public static final int RESULT_SLOT = 2;
@@ -40,6 +62,13 @@
                 ContainerCartography.this.slotsChanged(this);
                 super.setChanged();
             }
+
+            // CraftBukkit start
+            @Override
+            public Location getLocation() {
+                return containeraccess.getLocation();
+            }
+            // CraftBukkit end
         };
         this.resultContainer = new InventoryCraftResult() {
             @Override
@@ -47,15 +76,22 @@
                 ContainerCartography.this.slotsChanged(this);
                 super.setChanged();
             }
+
+            // CraftBukkit start
+            @Override
+            public Location getLocation() {
+                return containeraccess.getLocation();
+            }
+            // CraftBukkit end
         };
         this.access = containeraccess;
-        this.addSlot(new Slot(this, this.container, 0, 15, 15) {
+        this.addSlot(new Slot(this.container, 0, 15, 15) { // CraftBukkit - decompile error
             @Override
             public boolean mayPlace(ItemStack itemstack) {
                 return itemstack.is(Items.FILLED_MAP);
             }
         });
-        this.addSlot(new Slot(this, this.container, 1, 15, 52) {
+        this.addSlot(new Slot(this.container, 1, 15, 52) { // CraftBukkit - decompile error
             @Override
             public boolean mayPlace(ItemStack itemstack) {
                 return itemstack.is(Items.PAPER) || itemstack.is(Items.MAP) || itemstack.is(Items.GLASS_PANE);
@@ -97,10 +133,12 @@
             this.addSlot(new Slot(playerinventory, j, 8 + j * 18, 142));
         }
 
+        player = (Player) playerinventory.player.getBukkitEntity(); // CraftBukkit
     }
 
     @Override
     public boolean stillValid(EntityHuman entityhuman) {
+        if (!this.checkReachable) return true; // CraftBukkit
         return stillValid(this.access, entityhuman, Blocks.CARTOGRAPHY_TABLE);
     }