Add remaining missing setLastDamageCause's

src/main/java/net/minecraft/server/Entity.java

@@ -804,6 +804,7 @@ public abstract class Entity {
                 }
 
                 i = event.getDamage();
+                event.getEntity().setLastDamageCause(event);
             }
             // CraftBukkit end
             this.damageEntity(DamageSource.FIRE, i);
@@ -1449,6 +1450,7 @@ public abstract class Entity {
             return;
         }
 
+        thisBukkitEntity.setLastDamageCause(event);
         this.burn(event.getDamage());
         // CraftBukkit end
 

src/main/java/net/minecraft/server/EntityEnderDragon.java

@@ -402,6 +402,7 @@ public class EntityEnderDragon extends EntityComplex {
                     Bukkit.getPluginManager().callEvent(damageEvent);
 
                     if (!damageEvent.isCancelled()) {
+                        entity.getBukkitEntity().setLastDamageCause(damageEvent);
                         entity.damageEntity(DamageSource.mobAttack(this), damageEvent.getDamage());
                     }
                 } else {

src/main/java/net/minecraft/server/EntityEnderPearl.java

@@ -67,6 +67,7 @@ public class EntityEnderPearl extends EntityProjectile {
                 if (!damageEvent.isCancelled()) {
                     org.bukkit.entity.Player bPlayer = Bukkit.getPlayerExact(((EntityPlayer) this.shooter).name);
                     ((CraftPlayer) bPlayer).getHandle().invulnerableTicks = -1; // Remove spawning invulnerability.
+                    bPlayer.setLastDamageCause(damageEvent);
                     ((CraftPlayer) bPlayer).getHandle().damageEntity(DamageSource.FALL, damageEvent.getDamage()); // Damage the new player instead of the old
                 }
             }

src/main/java/net/minecraft/server/Explosion.java

@@ -137,9 +137,7 @@ public class Explosion {
 
                 if (damagee == null) {
                     // nothing was hurt
-                } else if (this.source == null) { // Block explosion
+                } else if (this.source == null) { // Block explosion (without an entity source; bed etc.)
-                    // TODO: get the x/y/z of the tnt block?
-                    // does this even get called ever? @see EntityTNTPrimed - not BlockTNT or whatever
                     EntityDamageByBlockEvent event = new EntityDamageByBlockEvent(null, damagee, EntityDamageEvent.DamageCause.BLOCK_EXPLOSION, damageDone);
                     Bukkit.getPluginManager().callEvent(event);
 
@@ -162,6 +160,7 @@ public class Explosion {
                     Bukkit.getPluginManager().callEvent(event);
 
                     if (!event.isCancelled()) {
+                        entity.getBukkitEntity().setLastDamageCause(event);
                         entity.damageEntity(DamageSource.EXPLOSION, event.getDamage());
 
                         entity.motX += d0 * d10;