PaperMC/paper-server/patches/sources/net/minecraft/world/effect/WeavingMobEffect.java.patch

--- a/net/minecraft/world/effect/WeavingMobEffect.java
+++ b/net/minecraft/world/effect/WeavingMobEffect.java
@@ -25,11 +25,11 @@
     @Override
     public void onMobRemoved(ServerLevel world, LivingEntity entity, int amplifier, Entity.RemovalReason reason) {
         if (reason == Entity.RemovalReason.KILLED && (entity instanceof Player || world.getGameRules().getBoolean(GameRules.RULE_MOBGRIEFING))) {
-            this.spawnCobwebsRandomlyAround(world, entity.getRandom(), entity.blockPosition());
+            this.spawnCobwebsRandomlyAround(world, entity.getRandom(), entity.blockPosition(), entity); // Paper - Fire EntityChangeBlockEvent in more places
         }
     }
 
-    private void spawnCobwebsRandomlyAround(ServerLevel world, RandomSource random, BlockPos pos) {
+    private void spawnCobwebsRandomlyAround(ServerLevel world, RandomSource random, BlockPos pos, LivingEntity entity) { // Paper - Fire EntityChangeBlockEvent in more places
         Set<BlockPos> set = Sets.newHashSet();
         int i = this.maxCobwebs.applyAsInt(random);
 
@@ -46,6 +46,7 @@
         }
 
         for (BlockPos blockPos3 : set) {
+            if (!org.bukkit.craftbukkit.event.CraftEventFactory.callEntityChangeBlockEvent(entity, blockPos3, Blocks.COBWEB.defaultBlockState())) continue; // Paper - Fire EntityChangeBlockEvent in more places
             world.setBlock(blockPos3, Blocks.COBWEB.defaultBlockState(), 3);
             world.levelEvent(3018, blockPos3, 0);
         }