From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Noah van der Aa 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 5cc93ed8e082324c12ba55e7d388a8cdc7f67f1a..2d8404f4b78ab9a25a3e6be8cf8bf5bb0b1ea090 100644 --- a/src/main/java/net/minecraft/world/entity/LivingEntity.java +++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java @@ -261,6 +261,7 @@ public abstract class LivingEntity extends Entity implements Attackable { 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 - Friction API @Override public float getBukkitYaw() { @@ -716,7 +717,7 @@ public abstract class LivingEntity extends Entity implements Attackable { } public boolean shouldDiscardFriction() { - return this.discardFriction; + return !this.frictionState.toBooleanOrElse(!this.discardFriction); // Paper - Friction API } public void setDiscardFriction(boolean noDrag) { @@ -760,6 +761,11 @@ public abstract class LivingEntity extends Entity implements Attackable { @Override public void addAdditionalSaveData(CompoundTag nbt) { + // Paper start - Friction API + if (this.frictionState != net.kyori.adventure.util.TriState.NOT_SET) { + nbt.putString("Paper.FrictionState", this.frictionState.toString()); + } + // Paper end - Friction API nbt.putFloat("Health", this.getHealth()); nbt.putShort("HurtTime", (short) this.hurtTime); nbt.putInt("HurtByTimestamp", this.lastHurtByMobTimestamp); @@ -803,6 +809,16 @@ public abstract class LivingEntity extends Entity implements Attackable { } this.internalSetAbsorptionAmount(absorptionAmount); // Paper end - Check for NaN + // Paper start - Friction API + 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 - Friction API 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 8aaca29b115a55bf48306e71432c4c20d2bd21dc..eb0d6238588efa35fa868f26290547574a08eca2 100644 --- a/src/main/java/net/minecraft/world/entity/item/ItemEntity.java +++ b/src/main/java/net/minecraft/world/entity/item/ItemEntity.java @@ -57,6 +57,7 @@ public class ItemEntity extends Entity implements TraceableEntity { private int lastTick = MinecraftServer.currentTick - 1; // CraftBukkit public boolean canMobPickup = true; // Paper - Item#canEntityPickup private int despawnRate = -1; // Paper - Alternative item-despawn-rate + public net.kyori.adventure.util.TriState frictionState = net.kyori.adventure.util.TriState.NOT_SET; // Paper - Friction API public ItemEntity(EntityType type, Level world) { super(type, world); @@ -178,7 +179,11 @@ public class ItemEntity extends Entity implements TraceableEntity { this.move(MoverType.SELF, this.getDeltaMovement()); float f1 = 0.98F; - if (this.onGround()) { + // Paper start - Friction API + if (frictionState == net.kyori.adventure.util.TriState.FALSE) { + f1 = 1F; + } else if (this.onGround()) { + // Paper end - Friction API f1 = this.level().getBlockState(this.getBlockPosBelowThatAffectsMyMovement()).getBlock().getFriction() * 0.98F; } @@ -387,6 +392,11 @@ public class ItemEntity extends Entity implements TraceableEntity { @Override public void addAdditionalSaveData(CompoundTag nbt) { + // Paper start - Friction API + if (this.frictionState != net.kyori.adventure.util.TriState.NOT_SET) { + nbt.putString("Paper.FrictionState", this.frictionState.toString()); + } + // Paper end - Friction API nbt.putShort("Health", (short) this.health); nbt.putShort("Age", (short) this.age); nbt.putShort("PickupDelay", (short) this.pickupDelay); @@ -421,6 +431,17 @@ public class ItemEntity extends Entity implements TraceableEntity { this.cachedThrower = null; } + // Paper start - Friction API + 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 - Friction API + 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 cbfd4cf1d7d32757cf124d1aaa4b83d8a155868f..832def3c518be8d6d81e71f6022566e6179e2d17 100644 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java @@ -99,6 +99,18 @@ public class CraftItem extends CraftEntity implements Item { this.getHandle().age = willAge ? 0 : NO_AGE_TIME; } + @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 int getHealth() { return this.getHandle().health; diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java index d12734b0c6b10ca8997a79e06fc9791abe0e9ed5..97c7bb2032584847f2f8a946c1f8d13fef908edf 100644 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java @@ -1083,6 +1083,18 @@ 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");