Add EntityLoadCrossbowEvent

paper-server/patches/sources/net/minecraft/world/item/CrossbowItem.java.patch

@@ -1,6 +1,39 @@
 --- a/net/minecraft/world/item/CrossbowItem.java
 +++ b/net/minecraft/world/item/CrossbowItem.java
-@@ -164,7 +164,11 @@
+@@ -90,7 +90,14 @@
+     public boolean releaseUsing(ItemStack stack, Level world, LivingEntity user, int remainingUseTicks) {
+         int i = this.getUseDuration(stack, user) - remainingUseTicks;
+         float f = getPowerForTime(i, stack, user);
+-        if (f >= 1.0F && !isCharged(stack) && tryLoadProjectiles(user, stack)) {
++        // Paper start - Add EntityLoadCrossbowEvent
++        if (f >= 1.0F && !isCharged(stack)) {
++            final io.papermc.paper.event.entity.EntityLoadCrossbowEvent event = new io.papermc.paper.event.entity.EntityLoadCrossbowEvent(user.getBukkitLivingEntity(), stack.asBukkitMirror(), org.bukkit.craftbukkit.CraftEquipmentSlot.getHand(user.getUsedItemHand()));
++            if (!event.callEvent() || !tryLoadProjectiles(user, stack, event.shouldConsumeItem()) || !event.shouldConsumeItem()) {
++                if (user instanceof ServerPlayer player) player.containerMenu.sendAllDataToRemote();
++                return false;
++            }
++            // Paper end - Add EntityLoadCrossbowEvent
+             CrossbowItem.ChargingSounds chargingSounds = this.getChargingSounds(stack);
+             chargingSounds.end()
+                 .ifPresent(
+@@ -111,8 +118,14 @@
+         }
+     }
+ 
+-    private static boolean tryLoadProjectiles(LivingEntity shooter, ItemStack crossbow) {
+-        List<ItemStack> list = draw(crossbow, shooter.getProjectile(crossbow), shooter);
++    @io.papermc.paper.annotation.DoNotUse // Paper - Add EntityLoadCrossbowEvent
++    private static boolean tryLoadProjectiles(LivingEntity shooter, ItemStack crossbow)  {
++        // Paper start - Add EntityLoadCrossbowEvent
++        return CrossbowItem.tryLoadProjectiles(shooter, crossbow, true);
++    }
++    private static boolean tryLoadProjectiles(LivingEntity shooter, ItemStack crossbow, boolean consume) {
++        List<ItemStack> list = draw(crossbow, shooter.getProjectile(crossbow), shooter, consume);
++        // Paper end - Add EntityLoadCrossbowEvent
+         if (!list.isEmpty()) {
+             crossbow.set(DataComponents.CHARGED_PROJECTILES, ChargedProjectiles.of(list));
+             return true;
+@@ -164,7 +177,11 @@
      @Override
      protected Projectile createProjectile(Level world, LivingEntity shooter, ItemStack weaponStack, ItemStack projectileStack, boolean critical) {
          if (projectileStack.is(Items.FIREWORK_ROCKET)) {

paper-server/patches/sources/net/minecraft/world/item/ProjectileWeaponItem.java.patch

@@ -29,3 +29,24 @@
                  stack.hurtAndBreak(this.getDurabilityUse(itemstack1), shooter, LivingEntity.getSlotForHand(hand));
                  if (stack.isEmpty()) {
                      break;
+@@ -93,6 +109,11 @@
+     }
+ 
+     protected static List<ItemStack> draw(ItemStack stack, ItemStack projectileStack, LivingEntity shooter) {
++        // Paper start
++        return draw(stack, projectileStack, shooter, true);
++    }
++    protected static List<ItemStack> draw(ItemStack stack, ItemStack projectileStack, LivingEntity shooter, boolean consume) {
++        // Paper end
+         if (projectileStack.isEmpty()) {
+             return List.of();
+         } else {
+@@ -112,7 +133,7 @@
+             ItemStack itemstack2 = projectileStack.copy();
+ 
+             for (int k = 0; k < j; ++k) {
+-                ItemStack itemstack3 = ProjectileWeaponItem.useAmmo(stack, k == 0 ? projectileStack : itemstack2, shooter, k > 0);
++                ItemStack itemstack3 = ProjectileWeaponItem.useAmmo(stack, k == 0 ? projectileStack : itemstack2, shooter, k > 0 || !consume); // Paper
+ 
+                 if (!itemstack3.isEmpty()) {
+                     list.add(itemstack3);