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path: root/nms-patches/EntityInsentient.patch
blob: a93da20511ba5fe32380439824869b256789e7c4 (plain)
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--- a/net/minecraft/server/EntityInsentient.java
+++ b/net/minecraft/server/EntityInsentient.java
@@ -9,6 +9,18 @@
 import java.util.UUID;
 import javax.annotation.Nullable;
 
+// CraftBukkit start
+import org.bukkit.craftbukkit.event.CraftEventFactory;
+import org.bukkit.craftbukkit.entity.CraftLivingEntity;
+import org.bukkit.entity.LivingEntity;
+import org.bukkit.event.entity.EntityCombustByEntityEvent;
+import org.bukkit.event.entity.EntityPickupItemEvent;
+import org.bukkit.event.entity.EntityTargetLivingEntityEvent;
+import org.bukkit.event.entity.EntityTargetEvent;
+import org.bukkit.event.entity.EntityUnleashEvent;
+import org.bukkit.event.entity.EntityUnleashEvent.UnleashReason;
+// CraftBukkit end
+
 public abstract class EntityInsentient extends EntityLiving {
 
     private static final DataWatcherObject<Byte> a = DataWatcher.a(EntityInsentient.class, DataWatcherRegistry.a);
@@ -27,7 +39,7 @@
     public float[] dropChanceHand;
     private final NonNullList<ItemStack> bE;
     public float[] dropChanceArmor;
-    public boolean canPickUpLoot;
+    // public boolean canPickUpLoot; // CraftBukkit - moved up to EntityLiving
     public boolean persistent;
     private final Map<PathType, Float> bH;
     private MinecraftKey bI;
@@ -57,6 +69,9 @@
             this.n();
         }
 
+        // CraftBukkit start - default persistance to type's persistance value
+        this.persistent = !isTypeNotPersistent();
+        // CraftBukkit end
     }
 
     protected void n() {}
@@ -110,7 +125,38 @@
     }
 
     public void setGoalTarget(@Nullable EntityLiving entityliving) {
+        // CraftBukkit start - fire event
+        setGoalTarget(entityliving, EntityTargetEvent.TargetReason.UNKNOWN, true);
+    }
+
+    public boolean setGoalTarget(EntityLiving entityliving, EntityTargetEvent.TargetReason reason, boolean fireEvent) {
+        if (getGoalTarget() == entityliving) return false;
+        if (fireEvent) {
+            if (reason == EntityTargetEvent.TargetReason.UNKNOWN && getGoalTarget() != null && entityliving == null) {
+                reason = getGoalTarget().isAlive() ? EntityTargetEvent.TargetReason.FORGOT_TARGET : EntityTargetEvent.TargetReason.TARGET_DIED;
+            }
+            if (reason == EntityTargetEvent.TargetReason.UNKNOWN) {
+                world.getServer().getLogger().log(java.util.logging.Level.WARNING, "Unknown target reason, please report on the issue tracker", new Exception());
+            }
+            CraftLivingEntity ctarget = null;
+            if (entityliving != null) {
+                ctarget = (CraftLivingEntity) entityliving.getBukkitEntity();
+            }
+            EntityTargetLivingEntityEvent event = new EntityTargetLivingEntityEvent(this.getBukkitEntity(), ctarget, reason);
+            world.getServer().getPluginManager().callEvent(event);
+            if (event.isCancelled()) {
+                return false;
+            }
+
+            if (event.getTarget() != null) {
+                entityliving = ((CraftLivingEntity) event.getTarget()).getHandle();
+            } else {
+                entityliving = null;
+            }
+        }
         this.goalTarget = entityliving;
+        return true;
+        // CraftBukkit end
     }
 
     public boolean b(Class<? extends EntityLiving> oclass) {
@@ -336,11 +382,20 @@
 
     public void a(NBTTagCompound nbttagcompound) {
         super.a(nbttagcompound);
+
+        // CraftBukkit start - If looting or persistence is false only use it if it was set after we started using it
         if (nbttagcompound.hasKeyOfType("CanPickUpLoot", 1)) {
-            this.p(nbttagcompound.getBoolean("CanPickUpLoot"));
+            boolean data = nbttagcompound.getBoolean("CanPickUpLoot");
+            if (isLevelAtLeast(nbttagcompound, 1) || data) {
+                this.p(data);
+            }
         }
 
-        this.persistent = nbttagcompound.getBoolean("PersistenceRequired");
+        boolean data = nbttagcompound.getBoolean("PersistenceRequired");
+        if (isLevelAtLeast(nbttagcompound, 1) || data) {
+            this.persistent = data;
+        }
+        // CraftBukkit end
         NBTTagList nbttaglist;
         int i;
 
@@ -470,11 +525,21 @@
         ItemStack itemstack1 = this.getEquipment(enumitemslot);
         boolean flag = this.a(itemstack, itemstack1, enumitemslot);
 
-        if (flag && this.d(itemstack)) {
+        // CraftBukkit start
+        boolean canPickup = flag && this.d(itemstack);
+
+        EntityPickupItemEvent entityEvent = new EntityPickupItemEvent((LivingEntity) getBukkitEntity(), (org.bukkit.entity.Item) entityitem.getBukkitEntity(), 0);
+        entityEvent.setCancelled(!canPickup);
+        this.world.getServer().getPluginManager().callEvent(entityEvent);
+        canPickup = !entityEvent.isCancelled();
+        if (canPickup) {
+            // CraftBukkit end
             double d0 = this.c(enumitemslot);
 
             if (!itemstack1.isEmpty() && (double) (this.random.nextFloat() - 0.1F) < d0) {
+                this.forceDrops = true; // CraftBukkit
                 this.a_(itemstack1);
+                this.forceDrops = false; // CraftBukkit
             }
 
             this.setSlot(enumitemslot, itemstack);
@@ -554,11 +619,11 @@
                 double d2 = entityhuman.locZ - this.locZ;
                 double d3 = d0 * d0 + d1 * d1 + d2 * d2;
 
-                if (this.isTypeNotPersistent() && d3 > 16384.0D) {
+                if (d3 > 16384.0D) { // CraftBukkit - remove isTypeNotPersistent() check
                     this.die();
                 }
 
-                if (this.ticksFarFromPlayer > 600 && this.random.nextInt(800) == 0 && d3 > 1024.0D && this.isTypeNotPersistent()) {
+                if (this.ticksFarFromPlayer > 600 && this.random.nextInt(800) == 0 && d3 > 1024.0D) { // CraftBukkit - remove isTypeNotPersistent() check
                     this.die();
                 } else if (d3 < 1024.0D) {
                     this.ticksFarFromPlayer = 0;
@@ -946,12 +1011,24 @@
 
     public final boolean b(EntityHuman entityhuman, EnumHand enumhand) {
         if (this.isLeashed() && this.getLeashHolder() == entityhuman) {
+            // CraftBukkit start - fire PlayerUnleashEntityEvent
+            if (CraftEventFactory.callPlayerUnleashEntityEvent(this, entityhuman).isCancelled()) {
+                ((EntityPlayer) entityhuman).playerConnection.sendPacket(new PacketPlayOutAttachEntity(this, this.getLeashHolder()));
+                return false;
+            }
+            // CraftBukkit end
             this.unleash(true, !entityhuman.abilities.canInstantlyBuild);
             return true;
         } else {
             ItemStack itemstack = entityhuman.b(enumhand);
 
             if (itemstack.getItem() == Items.LEAD && this.a(entityhuman)) {
+                // CraftBukkit start - fire PlayerLeashEntityEvent
+                if (CraftEventFactory.callPlayerLeashEntityEvent(this, entityhuman, entityhuman).isCancelled()) {
+                    ((EntityPlayer) entityhuman).playerConnection.sendPacket(new PacketPlayOutAttachEntity(this, this.getLeashHolder()));
+                    return false;
+                }
+                // CraftBukkit end
                 this.setLeashHolder(entityhuman, true);
                 itemstack.subtract(1);
                 return true;
@@ -972,10 +1049,12 @@
 
         if (this.bK) {
             if (!this.isAlive()) {
+                this.world.getServer().getPluginManager().callEvent(new EntityUnleashEvent(this.getBukkitEntity(), UnleashReason.PLAYER_UNLEASH)); // CraftBukkit
                 this.unleash(true, true);
             }
 
             if (this.leashHolder == null || this.leashHolder.dead) {
+                this.world.getServer().getPluginManager().callEvent(new EntityUnleashEvent(this.getBukkitEntity(), UnleashReason.HOLDER_GONE)); // CraftBukkit
                 this.unleash(true, true);
             }
         }
@@ -986,7 +1065,9 @@
             this.bK = false;
             this.leashHolder = null;
             if (!this.world.isClientSide && flag1) {
+                this.forceDrops = true; // CraftBukkit
                 this.a((IMaterial) Items.LEAD);
+                this.forceDrops = false; // CraftBukkit
             }
 
             if (!this.world.isClientSide && flag && this.world instanceof WorldServer) {
@@ -1056,6 +1137,7 @@
 
                 this.setLeashHolder(entityleash, true);
             } else {
+                this.world.getServer().getPluginManager().callEvent(new EntityUnleashEvent(this.getBukkitEntity(), UnleashReason.UNKNOWN)); // CraftBukkit
                 this.unleash(false, true);
             }
         }
@@ -1151,7 +1233,14 @@
             int j = EnchantmentManager.getFireAspectEnchantmentLevel(this);
 
             if (j > 0) {
-                entity.setOnFire(j * 4);
+                // CraftBukkit start - Call a combust event when somebody hits with a fire enchanted item
+                EntityCombustByEntityEvent combustEvent = new EntityCombustByEntityEvent(this.getBukkitEntity(), entity.getBukkitEntity(), j * 4);
+                org.bukkit.Bukkit.getPluginManager().callEvent(combustEvent);
+
+                if (!combustEvent.isCancelled()) {
+                    entity.setOnFire(combustEvent.getDuration());
+                }
+                // CraftBukkit end
             }
 
             if (entity instanceof EntityHuman) {