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46 lines
3.5 KiB
Diff
46 lines
3.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Toon Schoenmakers <nighteyes1993@gmail.com>
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Date: Fri, 23 Oct 2020 15:01:44 +0200
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Subject: [PATCH] Avoid error bubbling up when item stack is empty in fishing
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loot
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This can realistically only happen if there's custom loot active on fishing
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which can return 0 items. This would disconnect the player who's fishing.
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diff --git a/src/main/java/net/minecraft/world/entity/projectile/EntityFishingHook.java b/src/main/java/net/minecraft/world/entity/projectile/EntityFishingHook.java
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index 38bcc5a4435c4018b3233cc5e4c9142259e4396d..45f0f004e97b20e5c6c5b1f205b088bf8aa86017 100644
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--- a/src/main/java/net/minecraft/world/entity/projectile/EntityFishingHook.java
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+++ b/src/main/java/net/minecraft/world/entity/projectile/EntityFishingHook.java
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@@ -484,9 +484,15 @@ public class EntityFishingHook extends IProjectile {
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while (iterator.hasNext()) {
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ItemStack itemstack1 = (ItemStack) iterator.next();
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- EntityItem entityitem = new EntityItem(this.world, this.locX(), this.locY(), this.locZ(), itemstack1);
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+ // Paper start, new EntityItem would throw if for whatever reason (mostly shitty datapacks) the itemstack1 turns out to be empty
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+ // if the item stack is empty we instead just have our entityitem as null
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+ EntityItem entityitem = null;
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+ if (!itemstack1.isEmpty()) {
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+ entityitem = new EntityItem(this.world, this.locX(), this.locY(), this.locZ(), itemstack1);
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+ }
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+ // Paper end
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// CraftBukkit start
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- PlayerFishEvent playerFishEvent = new PlayerFishEvent((Player) entityhuman.getBukkitEntity(), entityitem.getBukkitEntity(), (FishHook) this.getBukkitEntity(), PlayerFishEvent.State.CAUGHT_FISH);
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+ PlayerFishEvent playerFishEvent = new PlayerFishEvent((Player) entityhuman.getBukkitEntity(), entityitem != null ? entityitem.getBukkitEntity() : null, (FishHook) this.getBukkitEntity(), PlayerFishEvent.State.CAUGHT_FISH); // Paper - entityitem may be null
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playerFishEvent.setExpToDrop(this.random.nextInt(6) + 1);
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this.world.getServer().getPluginManager().callEvent(playerFishEvent);
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@@ -499,8 +505,12 @@ public class EntityFishingHook extends IProjectile {
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double d2 = entityhuman.locZ() - this.locZ();
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double d3 = 0.1D;
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- entityitem.setMot(d0 * 0.1D, d1 * 0.1D + Math.sqrt(Math.sqrt(d0 * d0 + d1 * d1 + d2 * d2)) * 0.08D, d2 * 0.1D);
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- this.world.addEntity(entityitem);
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+ // Paper start, entity item can be null, so we need to check against this
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+ if (entityitem != null) {
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+ entityitem.setMot(d0 * 0.1D, d1 * 0.1D + Math.sqrt(Math.sqrt(d0 * d0 + d1 * d1 + d2 * d2)) * 0.08D, d2 * 0.1D);
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+ this.world.addEntity(entityitem);
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+ }
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+ // Paper end
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// CraftBukkit start - this.random.nextInt(6) + 1 -> playerFishEvent.getExpToDrop()
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if (playerFishEvent.getExpToDrop() > 0) {
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entityhuman.world.addEntity(new EntityExperienceOrb(entityhuman.world, entityhuman.locX(), entityhuman.locY() + 0.5D, entityhuman.locZ() + 0.5D, playerFishEvent.getExpToDrop(), org.bukkit.entity.ExperienceOrb.SpawnReason.FISHING, this.getOwner(), this)); // Paper
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