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-rw-r--r--patches/api/0384-Friction-API.patch73
1 files changed, 73 insertions, 0 deletions
diff --git a/patches/api/0384-Friction-API.patch b/patches/api/0384-Friction-API.patch
new file mode 100644
index 0000000000..4aab88652e
--- /dev/null
+++ b/patches/api/0384-Friction-API.patch
@@ -0,0 +1,73 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Noah van der Aa <[email protected]>
+Date: Wed, 15 Sep 2021 20:40:51 +0200
+Subject: [PATCH] Friction API
+
+
+diff --git a/src/main/java/io/papermc/paper/entity/Frictional.java b/src/main/java/io/papermc/paper/entity/Frictional.java
+new file mode 100644
+index 0000000000000000000000000000000000000000..6eb88c664d873506372ad14075bfcbe42958126f
+--- /dev/null
++++ b/src/main/java/io/papermc/paper/entity/Frictional.java
+@@ -0,0 +1,35 @@
++package io.papermc.paper.entity;
++
++import net.kyori.adventure.util.TriState;
++import org.bukkit.entity.Entity;
++import org.jetbrains.annotations.NotNull;
++
++/**
++ * Represents an {@link Entity} that can experience friction with the air and ground.
++ */
++public interface Frictional {
++
++ /**
++ * Gets the friction state of this entity.
++ * When set to {@link TriState#TRUE}, the entity will always experience friction.
++ * When set to {@link TriState#FALSE}, the entity will never experience friction.
++ * When set to {@link TriState#NOT_SET}, the entity will fall back to Minecraft's default behaviour.
++ *
++ * @return the entity's friction state
++ */
++ @NotNull
++ TriState getFrictionState();
++
++ /**
++ * Sets the friction state of this entity.
++ * When set to {@link TriState#TRUE}, the entity will always experience friction.
++ * When set to {@link TriState#FALSE}, the entity will never experience friction.
++ * When set to {@link TriState#NOT_SET}, the entity will fall back to Minecraft's default behaviour.
++ * <p>
++ * Please note that changing this value will do nothing for a player.
++ *
++ * @param state the new friction state to set for the entity
++ */
++ void setFrictionState(@NotNull TriState state);
++
++}
+diff --git a/src/main/java/org/bukkit/entity/Item.java b/src/main/java/org/bukkit/entity/Item.java
+index ced419f8655bff72f0257b639d5f7d73afe3c2e2..bcc6ba95bd21c7972865838c636a03f50b6c1f1a 100644
+--- a/src/main/java/org/bukkit/entity/Item.java
++++ b/src/main/java/org/bukkit/entity/Item.java
+@@ -8,7 +8,7 @@ import org.jetbrains.annotations.Nullable;
+ /**
+ * Represents a dropped item.
+ */
+-public interface Item extends Entity {
++public interface Item extends Entity, io.papermc.paper.entity.Frictional { // Paper
+
+ /**
+ * Gets the item stack associated with this item drop.
+diff --git a/src/main/java/org/bukkit/entity/LivingEntity.java b/src/main/java/org/bukkit/entity/LivingEntity.java
+index 208bab1f5a3200f54141c38ee4272629cfc66da5..806bf6ca0dc87e1956084c61040a3d6139e8bc29 100644
+--- a/src/main/java/org/bukkit/entity/LivingEntity.java
++++ b/src/main/java/org/bukkit/entity/LivingEntity.java
+@@ -27,7 +27,7 @@ import org.jetbrains.annotations.Nullable;
+ /**
+ * Represents a living entity, such as a monster or player
+ */
+-public interface LivingEntity extends Attributable, Damageable, ProjectileSource {
++public interface LivingEntity extends Attributable, Damageable, ProjectileSource, io.papermc.paper.entity.Frictional { // Paper
+
+ /**
+ * Gets the height of the living entity's eyes above its Location.