patches/server/0646-Add-option-to-fix-items-merging-through-walls.patch


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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: GioSDA <gsdambrosio@gmail.com>
Date: Wed, 10 Mar 2021 10:06:45 -0800
Subject: [PATCH] Add option to fix items merging through walls


diff --git a/src/main/java/net/minecraft/world/entity/item/ItemEntity.java b/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
index 7e293167e73238f42fc213ee29d89aa775cf9e60..30c417c3169c1df43662fd77ac6816db64a42802 100644
--- a/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
+++ b/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
@@ -245,6 +245,14 @@ public class ItemEntity extends Entity {
                 ItemEntity entityitem = (ItemEntity) iterator.next();
 
                 if (entityitem.isMergable()) {
+                    // Paper Start - Fix items merging through walls
+                        if (this.level.paperConfig().fixes.fixItemsMergingThroughWalls) {
+                            net.minecraft.world.level.ClipContext rayTrace = new net.minecraft.world.level.ClipContext(this.position(), entityitem.position(),
+                                net.minecraft.world.level.ClipContext.Block.COLLIDER, net.minecraft.world.level.ClipContext.Fluid.NONE, this);
+                            net.minecraft.world.phys.BlockHitResult rayTraceResult = level.clip(rayTrace);
+                            if (rayTraceResult.getType() == net.minecraft.world.phys.HitResult.Type.BLOCK) continue;
+                        }
+                    // Paper End
                     this.tryToMerge(entityitem);
                     if (this.isRemoved()) {
                         break;