--- a/net/minecraft/world/entity/decoration/EntityHanging.java
+++ b/net/minecraft/world/entity/decoration/EntityHanging.java
@@ -26,6 +26,13 @@
 import org.apache.commons.lang3.Validate;
 import org.slf4j.Logger;
 
+// CraftBukkit start
+import net.minecraft.tags.DamageTypeTags;
+import org.bukkit.entity.Hanging;
+import org.bukkit.event.hanging.HangingBreakByEntityEvent;
+import org.bukkit.event.hanging.HangingBreakEvent;
+// CraftBukkit end
+
 public abstract class EntityHanging extends Entity {
 
     private static final Logger LOGGER = LogUtils.getLogger();
@@ -60,26 +67,37 @@
 
     protected void recalculateBoundingBox() {
         if (this.direction != null) {
-            double d0 = (double) this.pos.getX() + 0.5D;
-            double d1 = (double) this.pos.getY() + 0.5D;
-            double d2 = (double) this.pos.getZ() + 0.5D;
+            // CraftBukkit start code moved in to calculateBoundingBox
+            this.setBoundingBox(calculateBoundingBox(this, this.pos, this.direction, this.getWidth(), this.getHeight()));
+            // CraftBukkit end
+        }
+    }
+
+    // CraftBukkit start - break out BB calc into own method
+    public static AxisAlignedBB calculateBoundingBox(@Nullable Entity entity, BlockPosition blockPosition, EnumDirection direction, int width, int height) {
+        {
+            double d0 = (double) blockPosition.getX() + 0.5D;
+            double d1 = (double) blockPosition.getY() + 0.5D;
+            double d2 = (double) blockPosition.getZ() + 0.5D;
             double d3 = 0.46875D;
-            double d4 = this.offs(this.getWidth());
-            double d5 = this.offs(this.getHeight());
+            double d4 = offs(width);
+            double d5 = offs(height);
 
-            d0 -= (double) this.direction.getStepX() * 0.46875D;
-            d2 -= (double) this.direction.getStepZ() * 0.46875D;
+            d0 -= (double) direction.getStepX() * 0.46875D;
+            d2 -= (double) direction.getStepZ() * 0.46875D;
             d1 += d5;
-            EnumDirection enumdirection = this.direction.getCounterClockWise();
+            EnumDirection enumdirection = direction.getCounterClockWise();
 
             d0 += d4 * (double) enumdirection.getStepX();
             d2 += d4 * (double) enumdirection.getStepZ();
-            this.setPosRaw(d0, d1, d2);
-            double d6 = (double) this.getWidth();
-            double d7 = (double) this.getHeight();
-            double d8 = (double) this.getWidth();
+            if (entity != null) {
+                entity.setPosRaw(d0, d1, d2);
+            }
+            double d6 = (double) width;
+            double d7 = (double) height;
+            double d8 = (double) width;
 
-            if (this.direction.getAxis() == EnumDirection.EnumAxis.Z) {
+            if (direction.getAxis() == EnumDirection.EnumAxis.Z) {
                 d8 = 1.0D;
             } else {
                 d6 = 1.0D;
@@ -88,11 +106,12 @@
             d6 /= 32.0D;
             d7 /= 32.0D;
             d8 /= 32.0D;
-            this.setBoundingBox(new AxisAlignedBB(d0 - d6, d1 - d7, d2 - d8, d0 + d6, d1 + d7, d2 + d8));
+            return new AxisAlignedBB(d0 - d6, d1 - d7, d2 - d8, d0 + d6, d1 + d7, d2 + d8);
         }
     }
+    // CraftBukkit end
 
-    private double offs(int i) {
+    private static double offs(int i) { // CraftBukkit - static
         return i % 32 == 0 ? 0.5D : 0.0D;
     }
 
@@ -103,6 +122,24 @@
             if (this.checkInterval++ == 100) {
                 this.checkInterval = 0;
                 if (!this.isRemoved() && !this.survives()) {
+                    // CraftBukkit start - fire break events
+                    IBlockData material = this.level().getBlockState(this.blockPosition());
+                    HangingBreakEvent.RemoveCause cause;
+
+                    if (!material.isAir()) {
+                        // TODO: This feels insufficient to catch 100% of suffocation cases
+                        cause = HangingBreakEvent.RemoveCause.OBSTRUCTION;
+                    } else {
+                        cause = HangingBreakEvent.RemoveCause.PHYSICS;
+                    }
+
+                    HangingBreakEvent event = new HangingBreakEvent((Hanging) this.getBukkitEntity(), cause);
+                    this.level().getCraftServer().getPluginManager().callEvent(event);
+
+                    if (this.isRemoved() || event.isCancelled()) {
+                        return;
+                    }
+                    // CraftBukkit end
                     this.discard();
                     this.dropItem((Entity) null);
                 }
@@ -166,6 +203,22 @@
             return false;
         } else {
             if (!this.isRemoved() && !this.level().isClientSide) {
+                // CraftBukkit start - fire break events
+                Entity damager = (damagesource.isIndirect()) ? damagesource.getEntity() : damagesource.getDirectEntity();
+                HangingBreakEvent event;
+                if (damager != null) {
+                    event = new HangingBreakByEntityEvent((Hanging) this.getBukkitEntity(), damager.getBukkitEntity(), damagesource.is(DamageTypeTags.IS_EXPLOSION) ? HangingBreakEvent.RemoveCause.EXPLOSION : HangingBreakEvent.RemoveCause.ENTITY);
+                } else {
+                    event = new HangingBreakEvent((Hanging) this.getBukkitEntity(), damagesource.is(DamageTypeTags.IS_EXPLOSION) ? HangingBreakEvent.RemoveCause.EXPLOSION : HangingBreakEvent.RemoveCause.DEFAULT);
+                }
+
+                this.level().getCraftServer().getPluginManager().callEvent(event);
+
+                if (this.isRemoved() || event.isCancelled()) {
+                    return true;
+                }
+                // CraftBukkit end
+
                 this.kill();
                 this.markHurt();
                 this.dropItem(damagesource.getEntity());
@@ -178,6 +231,18 @@
     @Override
     public void move(EnumMoveType enummovetype, Vec3D vec3d) {
         if (!this.level().isClientSide && !this.isRemoved() && vec3d.lengthSqr() > 0.0D) {
+            if (this.isRemoved()) return; // CraftBukkit
+
+            // CraftBukkit start - fire break events
+            // TODO - Does this need its own cause? Seems to only be triggered by pistons
+            HangingBreakEvent event = new HangingBreakEvent((Hanging) this.getBukkitEntity(), HangingBreakEvent.RemoveCause.PHYSICS);
+            this.level().getCraftServer().getPluginManager().callEvent(event);
+
+            if (this.isRemoved() || event.isCancelled()) {
+                return;
+            }
+            // CraftBukkit end
+
             this.kill();
             this.dropItem((Entity) null);
         }
@@ -186,7 +251,7 @@
 
     @Override
     public void push(double d0, double d1, double d2) {
-        if (!this.level().isClientSide && !this.isRemoved() && d0 * d0 + d1 * d1 + d2 * d2 > 0.0D) {
+        if (false && !this.level().isClientSide && !this.isRemoved() && d0 * d0 + d1 * d1 + d2 * d2 > 0.0D) { // CraftBukkit - not needed
             this.kill();
             this.dropItem((Entity) null);
         }
