Paper/patches/server/0931-Friction-API.patch
Jake Potrebic 51cfcc88da
Updated Upstream (Bukkit/CraftBukkit) (#8740)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
d352d965 SPIGOT-7221: Add Enemy (Entity) interface

CraftBukkit Changes:
397c5557c SPIGOT-7221: Add Enemy (Entity) interface
a0d3dfaf2 PR-1129: Fix state corruption while handling explosion damage on EntityComplexPart
d67777f8b SPIGOT-7218: Player's outer layer of skin disappears after respawn
2023-01-01 12:17:40 -08:00

157 lines
7.3 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Noah van der Aa <ndvdaa@gmail.com>
Date: Wed, 15 Sep 2021 20:44:22 +0200
Subject: [PATCH] Friction API
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 1083ff15b5a83c9726441ac8b4aa6700e18a5bf3..529ea9094c0c7b6263c13b3b7a2d1e652f7bc29e 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -265,6 +265,7 @@ public abstract class LivingEntity extends Entity {
public boolean bukkitPickUpLoot;
public org.bukkit.craftbukkit.entity.CraftLivingEntity getBukkitLivingEntity() { return (org.bukkit.craftbukkit.entity.CraftLivingEntity) super.getBukkitEntity(); } // Paper
public boolean silentDeath = false; // Paper - mark entity as dying silently for cancellable death event
+ public net.kyori.adventure.util.TriState frictionState = net.kyori.adventure.util.TriState.NOT_SET; // Paper
@Override
public float getBukkitYaw() {
@@ -705,7 +706,7 @@ public abstract class LivingEntity extends Entity {
}
public boolean shouldDiscardFriction() {
- return this.discardFriction;
+ return !this.frictionState.toBooleanOrElse(!this.discardFriction); // Paper
}
public void setDiscardFriction(boolean noDrag) {
@@ -750,6 +751,11 @@ public abstract class LivingEntity extends Entity {
@Override
public void addAdditionalSaveData(CompoundTag nbt) {
+ // Paper start
+ if (this.frictionState != net.kyori.adventure.util.TriState.NOT_SET) {
+ nbt.putString("Paper.FrictionState", this.frictionState.toString());
+ }
+ // Paper end
nbt.putFloat("Health", this.getHealth());
nbt.putShort("HurtTime", (short) this.hurtTime);
nbt.putInt("HurtByTimestamp", this.lastHurtByMobTimestamp);
@@ -792,6 +798,15 @@ public abstract class LivingEntity extends Entity {
absorptionAmount = 0;
}
this.setAbsorptionAmount(absorptionAmount);
+
+ if (nbt.contains("Paper.FrictionState")) {
+ String fs = nbt.getString("Paper.FrictionState");
+ try {
+ frictionState = net.kyori.adventure.util.TriState.valueOf(fs);
+ } catch (Exception ignored) {
+ LOGGER.error("Unknown friction state " + fs + " for " + this);
+ }
+ }
// Paper end
if (nbt.contains("Attributes", 9) && this.level != null && !this.level.isClientSide) {
this.getAttributes().load(nbt.getList("Attributes", 10));
diff --git a/src/main/java/net/minecraft/world/entity/item/ItemEntity.java b/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
index b0976c20c0b7ff0637809ed2082771f5b6f10b7a..f0ccdfbd7d7be8c6e302609accf8fe9cac8885c4 100644
--- a/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
+++ b/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
@@ -53,6 +53,7 @@ public class ItemEntity extends Entity {
private int lastTick = MinecraftServer.currentTick - 1; // CraftBukkit
public boolean canMobPickup = true; // Paper
private int despawnRate = -1; // Paper
+ public net.kyori.adventure.util.TriState frictionState = net.kyori.adventure.util.TriState.NOT_SET; // Paper
public ItemEntity(EntityType<? extends ItemEntity> type, Level world) {
super(type, world);
@@ -150,7 +151,11 @@ public class ItemEntity extends Entity {
this.move(MoverType.SELF, this.getDeltaMovement());
float f1 = 0.98F;
- if (this.onGround) {
+ // Paper start
+ if (frictionState == net.kyori.adventure.util.TriState.FALSE) {
+ f1 = 1F;
+ } else if (this.onGround) {
+ // Paper end
f1 = this.level.getBlockState(new BlockPos(this.getX(), this.getY() - 1.0D, this.getZ())).getBlock().getFriction() * 0.98F;
}
@@ -351,6 +356,11 @@ public class ItemEntity extends Entity {
@Override
public void addAdditionalSaveData(CompoundTag nbt) {
+ // Paper start
+ if (this.frictionState != net.kyori.adventure.util.TriState.NOT_SET) {
+ nbt.putString("Paper.FrictionState", this.frictionState.toString());
+ }
+ // Paper end
nbt.putShort("Health", (short) this.health);
nbt.putShort("Age", (short) this.age);
nbt.putShort("PickupDelay", (short) this.pickupDelay);
@@ -384,6 +394,17 @@ public class ItemEntity extends Entity {
this.thrower = nbt.getUUID("Thrower");
}
+ // Paper start
+ if (nbt.contains("Paper.FrictionState")) {
+ String fs = nbt.getString("Paper.FrictionState");
+ try {
+ frictionState = net.kyori.adventure.util.TriState.valueOf(fs);
+ } catch (Exception ignored) {
+ com.mojang.logging.LogUtils.getLogger().error("Unknown friction state " + fs + " for " + this);
+ }
+ }
+ // Paper end
+
CompoundTag nbttagcompound1 = nbt.getCompound("Item");
this.setItem(ItemStack.of(nbttagcompound1));
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java
index fea44ba6a6584b4a510af6a58cab07eecec6b68b..ecec5e17807a760769fc0ea79c2a0161cc5db1ef 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java
@@ -103,6 +103,18 @@ public class CraftItem extends CraftEntity implements Item {
item.age = willAge ? 0 : NO_AGE_TIME;
}
+ @org.jetbrains.annotations.NotNull
+ @Override
+ public net.kyori.adventure.util.TriState getFrictionState() {
+ return this.item.frictionState;
+ }
+
+ @Override
+ public void setFrictionState(@org.jetbrains.annotations.NotNull net.kyori.adventure.util.TriState state) {
+ java.util.Objects.requireNonNull(state, "state may not be null");
+ this.item.frictionState = state;
+ }
+
@Override
public int getHealth() {
return item.health;
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
index fe9f52176d87944ac5743dced8cf4d0576089d06..09da9d3c85e36c2a78663f58a97963dbc795a367 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
@@ -1036,6 +1036,18 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {
});
}
+ @org.jetbrains.annotations.NotNull
+ @Override
+ public net.kyori.adventure.util.TriState getFrictionState() {
+ return this.getHandle().frictionState;
+ }
+
+ @Override
+ public void setFrictionState(@org.jetbrains.annotations.NotNull net.kyori.adventure.util.TriState state) {
+ java.util.Objects.requireNonNull(state, "state may not be null");
+ this.getHandle().frictionState = state;
+ }
+
@Override
public void knockback(double strength, double directionX, double directionZ) {
Preconditions.checkArgument(strength > 0, "Knockback strength must be > 0");