From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Mariell Hoversholm <proximyst@proximyst.com>
Date: Sat, 14 Nov 2020 16:48:37 +0100
Subject: [PATCH] Collision option for requiring a player participant


diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 282863951033f7e036b0e58393651e1a22fada23..fa070c7243a4d800edc7bde2905773022788fa14 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -2025,6 +2025,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
     public void push(Entity entity) {
         if (!this.isPassengerOfSameVehicle(entity)) {
             if (!entity.noPhysics && !this.noPhysics) {
+                if (this.level.paperConfig().collisions.onlyPlayersCollide && !(entity instanceof ServerPlayer || this instanceof ServerPlayer)) return; // Paper - Collision option for requiring a player participant
                 double d0 = entity.getX() - this.getX();
                 double d1 = entity.getZ() - this.getZ();
                 double d2 = Mth.absMax(d0, d1);
diff --git a/src/main/java/net/minecraft/world/entity/vehicle/AbstractBoat.java b/src/main/java/net/minecraft/world/entity/vehicle/AbstractBoat.java
index a9661ab34bc98c19d525eb4b60b1f0d05d73241e..3590f4bc1af829cdb6e0cfdc8fa6857197b9219e 100644
--- a/src/main/java/net/minecraft/world/entity/vehicle/AbstractBoat.java
+++ b/src/main/java/net/minecraft/world/entity/vehicle/AbstractBoat.java
@@ -196,6 +196,7 @@ public abstract class AbstractBoat extends VehicleEntity implements Leashable {
 
     @Override
     public void push(Entity entity) {
+        if (!this.level().paperConfig().collisions.allowVehicleCollisions && this.level().paperConfig().collisions.onlyPlayersCollide && !(entity instanceof Player)) return; // Paper - Collision option for requiring a player participant
         if (entity instanceof AbstractBoat) {
             if (entity.getBoundingBox().minY < this.getBoundingBox().maxY) {
                 // CraftBukkit start
diff --git a/src/main/java/net/minecraft/world/entity/vehicle/AbstractMinecart.java b/src/main/java/net/minecraft/world/entity/vehicle/AbstractMinecart.java
index fb9f0a62201dfeccd0eec9bb399f9edc6a01f1f0..9a864b4bacc5e180f36a6af2a0d63dc6d10ab0e5 100644
--- a/src/main/java/net/minecraft/world/entity/vehicle/AbstractMinecart.java
+++ b/src/main/java/net/minecraft/world/entity/vehicle/AbstractMinecart.java
@@ -562,6 +562,7 @@ public abstract class AbstractMinecart extends VehicleEntity {
     public void push(Entity entity) {
         if (!this.level().isClientSide) {
             if (!entity.noPhysics && !this.noPhysics) {
+                if (!this.level().paperConfig().collisions.allowVehicleCollisions && this.level().paperConfig().collisions.onlyPlayersCollide && !(entity instanceof Player)) return; // Paper - Collision option for requiring a player participant
                 if (!this.hasPassenger(entity)) {
                     // CraftBukkit start
                     VehicleEntityCollisionEvent collisionEvent = new VehicleEntityCollisionEvent((Vehicle) this.getBukkitEntity(), entity.getBukkitEntity());