Fixes to projectile events to check for null entities.

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

@@ -7,8 +7,10 @@ import org.bukkit.craftbukkit.entity.CraftArrow;
 import org.bukkit.craftbukkit.CraftServer;
 import org.bukkit.event.entity.EntityDamageByProjectileEvent;
 import org.bukkit.event.entity.EntityDamageEvent;
+import org.bukkit.event.entity.EntityDamageEvent.DamageCause;
 //CraftBukkit end
 
+
 public class EntityArrow extends Entity {
 
     private int c;
@@ -39,30 +41,20 @@ public class EntityArrow extends Entity {
     }
 
     public EntityArrow(World world, double d1, double d2, double d3) {
-        super(world);
+        // CraftBukkit start
-        c = -1;
+        this(world);
-        d = -1;
+        // CraftBukkit end
-        e = -1;
+        
-        f = 0;
-        ak = false;
-        a = 0;
-        am = 0;
-        a(0.5F, 0.5F);
         a(d1, d2, d3);
         H = 0.0F;
     }
 
     public EntityArrow(World world, EntityLiving entityliving) {
-        super(world);
+        // CraftBukkit start
-        c = -1;
+        this(world);
-        d = -1;
+        // CraftBukkit end
-        e = -1;
+        
-        f = 0;
-        ak = false;
-        a = 0;
-        am = 0;
         b = entityliving;
-        a(0.5F, 0.5F);
         c(entityliving.p, entityliving.q + (double) entityliving.w(), entityliving.r, entityliving.v, entityliving.w);
         p -= MathHelper.b((v / 180F) * 3.141593F) * 0.16F;
         q -= 0.10000000149011612D;
@@ -176,12 +168,14 @@ public class EntityArrow extends Entity {
 
                     //TODO decide if we should create DamageCause.ARROW, DamageCause.PROJECTILE
                     // or leave as DamageCause.ENTITY_ATTACK
-                    org.bukkit.entity.Entity shooter = null;
+                    org.bukkit.entity.Entity shooter = (b == null)?null:b.getBukkitEntity();
-                    if ((EntityLiving)b != null) {
+                    org.bukkit.entity.Entity damagee = movingobjectposition.g.getBukkitEntity();
-                        shooter = b.getBukkitEntity();
+                    org.bukkit.entity.Entity projectile = this.getBukkitEntity();
-                    }
+                    // TODO deal with arrows being fired from a non-entity
-                    EntityDamageByProjectileEvent edbpe = new EntityDamageByProjectileEvent(shooter, entity.getBukkitEntity(), this.getBukkitEntity(), EntityDamageEvent.DamageCause.ENTITY_ATTACK, 4);
+                    DamageCause damageCause = EntityDamageEvent.DamageCause.ENTITY_ATTACK;
+                    int damage = 4;
 
+                    EntityDamageByProjectileEvent edbpe = new EntityDamageByProjectileEvent(shooter, damagee, projectile, damageCause, damage);
                     server.getPluginManager().callEvent(edbpe);
                     if(!edbpe.isCancelled()) {
                         // this function returns if the arrow should stick in or not, i.e. !bounce

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

@@ -11,6 +11,7 @@ import org.bukkit.craftbukkit.CraftServer;
 import org.bukkit.event.Event.Type;
 import org.bukkit.event.entity.EntityDamageByProjectileEvent;
 import org.bukkit.event.entity.EntityDamageEvent;
+import org.bukkit.event.entity.EntityDamageEvent.DamageCause;
 import org.bukkit.event.player.PlayerEggThrowEvent;
 // CraftBukkit end
 
@@ -45,16 +46,11 @@ public class EntityEgg extends Entity {
     protected void a() {}
 
     public EntityEgg(World world, EntityLiving entityliving) {
-        super(world);
+        // CraftBukkit start
-        b = -1;
+        this(world);
-        c = -1;
+        // CraftBukkit end
-        d = -1;
+        
-        e = 0;
-        f = false;
-        a = 0;
-        am = 0;
         ak = entityliving;
-        a(0.25F, 0.25F);
         c(entityliving.p, entityliving.q + (double) entityliving.w(), entityliving.r, entityliving.v, entityliving.w);
         p -= MathHelper.b((v / 180F) * 3.141593F) * 0.16F;
         q -= 0.10000000149011612D;
@@ -70,16 +66,11 @@ public class EntityEgg extends Entity {
     }
 
     public EntityEgg(World world, double d1, double d2, double d3) {
-        super(world);
+        // CraftBukkit start
-        b = -1;
+        this(world);
-        c = -1;
+        // CraftBukkit end
-        d = -1;
+        
-        e = 0;
-        f = false;
-        a = 0;
-        am = 0;
         al = 0;
-        a(0.25F, 0.25F);
         a(d1, d2, d3);
         H = 0.0F;
     }
@@ -179,11 +170,16 @@ public class EntityEgg extends Entity {
                 boolean bounce;
                 if (movingobjectposition.g instanceof EntityLiving) {
                     CraftServer server = ((WorldServer) this.l).getServer();
+                    org.bukkit.entity.Entity shooter = (ak == null)?null:ak.getBukkitEntity();
+                    org.bukkit.entity.Entity damagee = movingobjectposition.g.getBukkitEntity();
+                    org.bukkit.entity.Entity projectile = this.getBukkitEntity();
+                    DamageCause damageCause = EntityDamageEvent.DamageCause.ENTITY_ATTACK;
+                    int damage = 0;
 
                     //TODO @see EntityArrow#162
-                    EntityDamageByProjectileEvent edbpe = new EntityDamageByProjectileEvent( ak.getBukkitEntity(), movingobjectposition.g.getBukkitEntity(), this.getBukkitEntity(), EntityDamageEvent.DamageCause.ENTITY_ATTACK, 0);
+                    EntityDamageByProjectileEvent edbpe = new EntityDamageByProjectileEvent(shooter, damagee, projectile, damageCause, damage);
-
                     server.getPluginManager().callEvent(edbpe);
+
                     if(!edbpe.isCancelled()) {
                         // this function returns if the egg should stick or not, i.e. !bounce
                         bounce = !movingobjectposition.g.a(((Entity) (ak)), edbpe.getDamage());
@@ -206,21 +202,24 @@ public class EntityEgg extends Entity {
             if (!hatching) {
                 numHatching = 0;
             }
-            MobType type = MobType.CHICKEN;
+            MobType hatchingType = MobType.CHICKEN;
 
             if (ak instanceof EntityPlayerMP) {
                 CraftServer server = ((WorldServer) l).getServer();
-                PlayerEggThrowEvent event = new PlayerEggThrowEvent(Type.PLAYER_EGG_THROW, (Player) ak.getBukkitEntity(), hatching, numHatching, type);
+                Type eventType = Type.PLAYER_EGG_THROW;
+                Player player = (Player) ak.getBukkitEntity();
+
+                PlayerEggThrowEvent event = new PlayerEggThrowEvent(eventType, player, hatching, numHatching, hatchingType);
                 server.getPluginManager().callEvent(event);
                 hatching = event.isHatching();
                 numHatching = event.getNumHatches();
-                type = event.getHatchType();
+                hatchingType = event.getHatchType();
             }
 
             if (hatching) {
                 for (int k = 0; k < numHatching; k++) {
                     Entity entity = null;
-                    switch (type) {
+                    switch (hatchingType) {
                         case CHICKEN:
                             entity = new EntityChicken(this.l);
                             break;

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

@@ -8,8 +8,10 @@ import org.bukkit.craftbukkit.entity.CraftFireball;
 import org.bukkit.craftbukkit.CraftServer;
 import org.bukkit.event.entity.EntityDamageByProjectileEvent;
 import org.bukkit.event.entity.EntityDamageEvent;
+import org.bukkit.event.entity.EntityDamageEvent.DamageCause;
 //CraftBukkit end
 
+
 public class EntityFireball extends Entity {
 
     private int e;
@@ -35,6 +37,7 @@ public class EntityFireball extends Entity {
         a = 0;
         ap = 0;
         a(1.0F, 1.0F);
+        
         //CraftBukkit start
         CraftServer server = ((WorldServer) this.l).getServer();
         this.bukkitEntity = new CraftFireball(server, this);
@@ -44,16 +47,11 @@ public class EntityFireball extends Entity {
     protected void a() {}
 
     public EntityFireball(World world, EntityLiving entityliving, double d1, double d2, double d3) {
-        super(world);
+        // CraftBukkit start
-        e = -1;
+        this(world);
-        f = -1;
+        // CraftBukkit end
-        ak = -1;
+        
-        al = 0;
-        am = false;
-        a = 0;
-        ap = 0;
         an = entityliving;
-        a(1.0F, 1.0F);
         c(entityliving.p, entityliving.q, entityliving.r, entityliving.v, entityliving.w);
         a(p, q, r);
         H = 0.0F;
@@ -137,11 +135,16 @@ public class EntityFireball extends Entity {
                 boolean bounce;
                 if (movingobjectposition.g instanceof EntityLiving) {
                     CraftServer server = ((WorldServer) this.l).getServer();
+                    org.bukkit.entity.Entity shooter = (an == null)?null:an.getBukkitEntity();
+                    org.bukkit.entity.Entity damagee = movingobjectposition.g.getBukkitEntity();
+                    org.bukkit.entity.Entity projectile = this.getBukkitEntity();
+                    DamageCause damageCause = EntityDamageEvent.DamageCause.ENTITY_ATTACK;
+                    int damage = 0;
 
                     //TODO @see EntityArrow#162
-                    EntityDamageByProjectileEvent edbpe = new EntityDamageByProjectileEvent( an.getBukkitEntity(), movingobjectposition.g.getBukkitEntity(), this.getBukkitEntity(), EntityDamageEvent.DamageCause.ENTITY_ATTACK, 0);
+                    EntityDamageByProjectileEvent edbpe = new EntityDamageByProjectileEvent(shooter, damagee, projectile, damageCause, damage);
-
                     server.getPluginManager().callEvent(edbpe);
+
                     if(!edbpe.isCancelled()) {
                         // this function returns if the fireball should stick or not, i.e. !bounce
                         bounce = !movingobjectposition.g.a(((Entity) (an)), edbpe.getDamage());

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

@@ -8,6 +8,7 @@ import org.bukkit.craftbukkit.entity.CraftFish;
 import org.bukkit.craftbukkit.CraftServer;
 import org.bukkit.event.entity.EntityDamageByProjectileEvent;
 import org.bukkit.event.entity.EntityDamageEvent;
+import org.bukkit.event.entity.EntityDamageEvent.DamageCause;
 //CraftBukkit end
 
 public class EntityFish extends Entity {
@@ -51,19 +52,12 @@ public class EntityFish extends Entity {
     protected void a() {}
 
     public EntityFish(World world, EntityPlayer entityplayer) {
-        super(world);
+        // CraftBukkit start
-        d = -1;
+        this(world);
-        e = -1;
+        // CraftBukkit end
-        f = -1;
+        
-        ak = 0;
-        al = false;
-        a = 0;
-        an = 0;
-        ao = 0;
-        c = null;
         b = entityplayer;
         b.aE = this;
-        a(0.25F, 0.25F);
         c(entityplayer.p, (entityplayer.q + 1.6200000000000001D) - (double) entityplayer.H, entityplayer.r, entityplayer.v, entityplayer.w);
         p -= MathHelper.b((v / 180F) * 3.141593F) * 0.16F;
         q -= 0.10000000149011612D;
@@ -207,11 +201,16 @@ public class EntityFish extends Entity {
                 boolean bounce;
                 if (movingobjectposition.g instanceof EntityLiving) {
                     CraftServer server = ((WorldServer) this.l).getServer();
+                    org.bukkit.entity.Entity shooter = (b == null)?null:b.getBukkitEntity();
+                    org.bukkit.entity.Entity damagee = movingobjectposition.g.getBukkitEntity();
+                    org.bukkit.entity.Entity projectile = this.getBukkitEntity();
+                    DamageCause damageCause = EntityDamageEvent.DamageCause.ENTITY_ATTACK;
+                    int damage = 0;
 
                     //TODO @see EntityArrow#162
-                    EntityDamageByProjectileEvent edbpe = new EntityDamageByProjectileEvent(b.getBukkitEntity(), movingobjectposition.g.getBukkitEntity(), this.getBukkitEntity(), EntityDamageEvent.DamageCause.ENTITY_ATTACK, 0);
+                    EntityDamageByProjectileEvent edbpe = new EntityDamageByProjectileEvent(shooter, damagee, projectile, damageCause, damage);
-
                     server.getPluginManager().callEvent(edbpe);
+                    
                     if(!edbpe.isCancelled()) {
                         // this function returns if the fish should stick or not, i.e. !bounce
                         bounce = !movingobjectposition.g.a(((Entity) (b)), edbpe.getDamage());

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

@@ -9,6 +9,7 @@ import org.bukkit.craftbukkit.entity.CraftSnowball;
 import org.bukkit.event.entity.EntityDamageByProjectileEvent;
 import org.bukkit.event.entity.EntityDamageEvent;
 //CraftBukkit end
+import org.bukkit.event.entity.EntityDamageEvent.DamageCause;
 
 public class EntitySnowball extends Entity {
 
@@ -41,16 +42,11 @@ public class EntitySnowball extends Entity {
     protected void a() {}
 
     public EntitySnowball(World world, EntityLiving entityliving) {
-        super(world);
+        // CraftBukkit start
-        b = -1;
+        this(world);
-        c = -1;
+        // CraftBukkit end
-        d = -1;
+        
-        e = 0;
-        f = false;
-        a = 0;
-        am = 0;
         ak = entityliving;
-        a(0.25F, 0.25F);
         c(entityliving.p, entityliving.q + (double) entityliving.w(), entityliving.r, entityliving.v, entityliving.w);
         p -= MathHelper.b((v / 180F) * 3.141593F) * 0.16F;
         q -= 0.10000000149011612D;
@@ -66,16 +62,11 @@ public class EntitySnowball extends Entity {
     }
 
     public EntitySnowball(World world, double d1, double d2, double d3) {
-        super(world);
+        // CraftBukkit start
-        b = -1;
+        this(world);
-        c = -1;
+        // CraftBukkit end
-        d = -1;
+        
-        e = 0;
-        f = false;
-        a = 0;
-        am = 0;
         al = 0;
-        a(0.25F, 0.25F);
         a(d1, d2, d3);
         H = 0.0F;
     }
@@ -175,11 +166,16 @@ public class EntitySnowball extends Entity {
                 boolean bounce;
                 if (movingobjectposition.g instanceof EntityLiving) {
                     CraftServer server = ((WorldServer) this.l).getServer();
+                    org.bukkit.entity.Entity shooter = (ak == null)?null:ak.getBukkitEntity();
+                    org.bukkit.entity.Entity damagee = movingobjectposition.g.getBukkitEntity();
+                    org.bukkit.entity.Entity projectile = this.getBukkitEntity();
+                    DamageCause damageCause = EntityDamageEvent.DamageCause.ENTITY_ATTACK;
+                    int damage = 0;
 
                     //TODO @see EntityArrow#162
-                    EntityDamageByProjectileEvent edbpe = new EntityDamageByProjectileEvent( ak.getBukkitEntity(), movingobjectposition.g.getBukkitEntity(), this.getBukkitEntity(), EntityDamageEvent.DamageCause.ENTITY_ATTACK, 0);
+                    EntityDamageByProjectileEvent edbpe = new EntityDamageByProjectileEvent(shooter, damagee, projectile, damageCause, damage);
-
                     server.getPluginManager().callEvent(edbpe);
+
                     if(!edbpe.isCancelled()) {
                         // this function returns if the snowball should stick or not, i.e. !bounce
                         bounce = !movingobjectposition.g.a(((Entity) (ak)), edbpe.getDamage());