SPIGOT-4199: Riptide related APIs

By: md_5 <git@md-5.net>

paper-server/nms-patches/ItemTrident.patch

@@ -0,0 +1,27 @@
+--- a/net/minecraft/server/ItemTrident.java
++++ b/net/minecraft/server/ItemTrident.java
+@@ -6,9 +6,13 @@
+ 
+     public ItemTrident(Item.Info item_info) {
+         super(item_info);
++        // CraftBukkit start - obfuscator went a little crazy
++        /*
+         this.a(new MinecraftKey("throwing"), (itemstack, world, entityliving) -> {
+             return entityliving != null && entityliving.isHandRaised() && entityliving.cW() == itemstack ? 1.0F : 0.0F;
+         });
++         */
++        // CraftBukkit end
+     }
+ 
+     public boolean a(IBlockData iblockdata, World world, BlockPosition blockposition, EntityHuman entityhuman) {
+@@ -53,6 +57,10 @@
+                     SoundEffect soundeffect = SoundEffects.ITEM_TRIDENT_THROW;
+ 
+                     if (k > 0) {
++                        // CraftBukkit start
++                        org.bukkit.event.player.PlayerRiptideEvent event = new org.bukkit.event.player.PlayerRiptideEvent((org.bukkit.entity.Player) entityhuman.getBukkitEntity(), org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(itemstack));
++                        event.getPlayer().getServer().getPluginManager().callEvent(event);
++                        // CraftBukkit end
+                         float f = entityhuman.yaw;
+                         float f1 = entityhuman.pitch;
+                         float f2 = -MathHelper.sin(f * 0.017453292F) * MathHelper.cos(f1 * 0.017453292F);

paper-server/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java

@@ -478,6 +478,11 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {
         getHandle().setSwimming(swimming);
     }
 
+    @Override
+    public boolean isRiptiding() {
+        return getHandle().cO();
+    }
+
     @Override
     public AttributeInstance getAttribute(Attribute attribute) {
         return getHandle().craftAttributes.getAttribute(attribute);