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 745e22b78613f8c45f5432fb27e3b9c87cdf2313..baedc48d788d51799d2d3b1816aee2782ba35d25 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -1848,6 +1848,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
     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/AbstractMinecart.java b/src/main/java/net/minecraft/world/entity/vehicle/AbstractMinecart.java
index be16ab6da56d2aa2a21ee378cfc44dbb14e108b3..9a6b6120c248a57d9dc86ca215146f6de980bd0d 100644
--- a/src/main/java/net/minecraft/world/entity/vehicle/AbstractMinecart.java
+++ b/src/main/java/net/minecraft/world/entity/vehicle/AbstractMinecart.java
@@ -792,6 +792,7 @@ 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());
diff --git a/src/main/java/net/minecraft/world/entity/vehicle/Boat.java b/src/main/java/net/minecraft/world/entity/vehicle/Boat.java
index 0178eb918179b12d7d8eb56cd72e5bfc34cfdbaf..1ced6d60a74fac028804b3c2d938e89af4706823 100644
--- a/src/main/java/net/minecraft/world/entity/vehicle/Boat.java
+++ b/src/main/java/net/minecraft/world/entity/vehicle/Boat.java
@@ -207,6 +207,7 @@ public class Boat extends VehicleEntity implements VariantHolder<Boat.Type> {
 
     @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 Boat) {
             if (entity.getBoundingBox().minY < this.getBoundingBox().maxY) {
                 // CraftBukkit start