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path: root/patches/server/0460-Climbing-should-not-bypass-cramming-gamerule.patch
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <blake.galbreath@gmail.com>
Date: Sun, 23 Aug 2020 20:59:00 +0200
Subject: [PATCH] Climbing should not bypass cramming gamerule


diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 2c0c41ae455ae5894e6bd85830741143c3d8aaa5..82ccfd91dfd3cce35a35edf8f73ccdd1ddd1fd6a 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -1983,6 +1983,12 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
     }
 
     public boolean isPushable() {
+        // Paper start - Climbing should not bypass cramming gamerule
+        return isCollidable(false);
+    }
+
+    public boolean isCollidable(boolean ignoreClimbing) {
+        // Paper end - Climbing should not bypass cramming gamerule
         return false;
     }
 
diff --git a/src/main/java/net/minecraft/world/entity/EntitySelector.java b/src/main/java/net/minecraft/world/entity/EntitySelector.java
index ee4495b67c46cf1282cdd6ad15b224b0b7b10bfb..e382a29b441b656f35bc24cb90f95cb4def433d2 100644
--- a/src/main/java/net/minecraft/world/entity/EntitySelector.java
+++ b/src/main/java/net/minecraft/world/entity/EntitySelector.java
@@ -46,11 +46,16 @@ public final class EntitySelector {
     }
 
     public static Predicate<Entity> pushableBy(Entity entity) {
+        // Paper start - Climbing should not bypass cramming gamerule
+        return pushable(entity, false);
+    }
+    public static Predicate<Entity> pushable(Entity entity, boolean ignoreClimbing) {
+        // Paper end - Climbing should not bypass cramming gamerule
         PlayerTeam scoreboardteam = entity.getTeam();
         Team.CollisionRule scoreboardteambase_enumteampush = scoreboardteam == null ? Team.CollisionRule.ALWAYS : scoreboardteam.getCollisionRule();
 
         return (Predicate) (scoreboardteambase_enumteampush == Team.CollisionRule.NEVER ? Predicates.alwaysFalse() : EntitySelector.NO_SPECTATORS.and((entity1) -> {
-            if (!entity1.canCollideWithBukkit(entity) || !entity.canCollideWithBukkit(entity1)) { // CraftBukkit - collidable API
+            if (!entity1.isCollidable(ignoreClimbing) || !entity1.canCollideWithBukkit(entity) || !entity.canCollideWithBukkit(entity1)) { // CraftBukkit - collidable API // Paper - Climbing should not bypass cramming gamerule
                 return false;
             } else if (entity.level().isClientSide && (!(entity1 instanceof Player) || !((Player) entity1).isLocalPlayer())) {
                 return false;
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index b98f82b619a1932e6d820a2c42120efdc03fc839..ed32b3f1107210d56e5653b2d5eddcf1deb39dfc 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -3447,7 +3447,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
                 return;
             }
             // Paper end - don't run getEntities if we're not going to use its result
-            List<Entity> list = this.level().getEntities((Entity) this, this.getBoundingBox(), EntitySelector.pushableBy(this));
+            List<Entity> list = this.level().getEntities((Entity) this, this.getBoundingBox(), EntitySelector.pushable(this, this.level().paperConfig().collisions.fixClimbingBypassingCrammingRule)); // Paper - Climbing should not bypass cramming gamerule
 
             if (!list.isEmpty()) {
                 // Paper - don't run getEntities if we're not going to use its result; moved up
@@ -3637,9 +3637,16 @@ public abstract class LivingEntity extends Entity implements Attackable {
         return !this.isRemoved() && this.collides; // CraftBukkit
     }
 
+    // Paper start - Climbing should not bypass cramming gamerule
     @Override
     public boolean isPushable() {
-        return this.isAlive() && !this.isSpectator() && !this.onClimbable() && this.collides; // CraftBukkit
+        return this.isCollidable(this.level().paperConfig().collisions.fixClimbingBypassingCrammingRule);
+    }
+
+    @Override
+    public boolean isCollidable(boolean ignoreClimbing) {
+        return this.isAlive() && !this.isSpectator() && (ignoreClimbing || !this.onClimbable()) && this.collides; // CraftBukkit
+        // Paper end - Climbing should not bypass cramming gamerule
     }
 
     // CraftBukkit start - collidable API
diff --git a/src/main/java/net/minecraft/world/entity/ambient/Bat.java b/src/main/java/net/minecraft/world/entity/ambient/Bat.java
index bc9a710a92662b1f69b0f5b289780fe0a0d5ed32..44fa2d4f90389f5526746bd94a2450c03340bd0b 100644
--- a/src/main/java/net/minecraft/world/entity/ambient/Bat.java
+++ b/src/main/java/net/minecraft/world/entity/ambient/Bat.java
@@ -90,7 +90,7 @@ public class Bat extends AmbientCreature {
     }
 
     @Override
-    public boolean isPushable() {
+    public boolean isCollidable(boolean ignoreClimbing) { // Paper - Climbing should not bypass cramming gamerule
         return false;
     }
 
diff --git a/src/main/java/net/minecraft/world/entity/animal/Parrot.java b/src/main/java/net/minecraft/world/entity/animal/Parrot.java
index fbad0e512b990c3d6885ecf92766ba6fd851cc20..f3f48225c2a1e4bd3d0091d1b4b7e4e150850ed2 100644
--- a/src/main/java/net/minecraft/world/entity/animal/Parrot.java
+++ b/src/main/java/net/minecraft/world/entity/animal/Parrot.java
@@ -383,8 +383,8 @@ public class Parrot extends ShoulderRidingEntity implements VariantHolder<Parrot
     }
 
     @Override
-    public boolean isPushable() {
-        return super.isPushable(); // CraftBukkit - collidable API
+    public boolean isCollidable(boolean ignoreClimbing) { // Paper - Climbing should not bypass cramming gamerule
+        return super.isCollidable(ignoreClimbing); // CraftBukkit - collidable API // Paper - Climbing should not bypass cramming gamerule
     }
 
     @Override
diff --git a/src/main/java/net/minecraft/world/entity/animal/horse/AbstractHorse.java b/src/main/java/net/minecraft/world/entity/animal/horse/AbstractHorse.java
index 6b7453281e32aae20778f26b4098df418401c45b..8fc65fd7347340a89dba0b9839497aadfcc67d79 100644
--- a/src/main/java/net/minecraft/world/entity/animal/horse/AbstractHorse.java
+++ b/src/main/java/net/minecraft/world/entity/animal/horse/AbstractHorse.java
@@ -286,7 +286,7 @@ public abstract class AbstractHorse extends Animal implements ContainerListener,
     }
 
     @Override
-    public boolean isPushable() {
+    public boolean isCollidable(boolean ignoreClimbing) { // Paper - Climbing should not bypass cramming gamerule
         return !this.isVehicle();
     }
 
diff --git a/src/main/java/net/minecraft/world/entity/decoration/ArmorStand.java b/src/main/java/net/minecraft/world/entity/decoration/ArmorStand.java
index bc1a95f466b700bb0530cf0bb61fcbcbe21f5bbb..f62b5976e307a69ca40d51ae76126005c801df0c 100644
--- a/src/main/java/net/minecraft/world/entity/decoration/ArmorStand.java
+++ b/src/main/java/net/minecraft/world/entity/decoration/ArmorStand.java
@@ -344,7 +344,7 @@ public class ArmorStand extends LivingEntity {
     }
 
     @Override
-    public boolean isPushable() {
+    public boolean isCollidable(boolean ignoreClimbing) { // Paper - Climbing should not bypass cramming gamerule
         return false;
     }
 
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 e390735d411d815dcc4591da58db7017452acf31..be16ab6da56d2aa2a21ee378cfc44dbb14e108b3 100644
--- a/src/main/java/net/minecraft/world/entity/vehicle/AbstractMinecart.java
+++ b/src/main/java/net/minecraft/world/entity/vehicle/AbstractMinecart.java
@@ -172,7 +172,7 @@ public abstract class AbstractMinecart extends VehicleEntity {
     }
 
     @Override
-    public boolean isPushable() {
+    public boolean isCollidable(boolean ignoreClimbing) { // Paper - Climbing should not bypass cramming gamerule
         return true;
     }
 
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 e6a7bf9a27fb66d8c2210678dbe8afa8bbf5e7c8..0178eb918179b12d7d8eb56cd72e5bfc34cfdbaf 100644
--- a/src/main/java/net/minecraft/world/entity/vehicle/Boat.java
+++ b/src/main/java/net/minecraft/world/entity/vehicle/Boat.java
@@ -157,7 +157,7 @@ public class Boat extends VehicleEntity implements VariantHolder<Boat.Type> {
     }
 
     @Override
-    public boolean isPushable() {
+    public boolean isCollidable(boolean ignoreClimbing) { // Paper - Climbing should not bypass cramming gamerule
         return true;
     }