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 5330f6315cecfa6afd04b711a5b8656717cb5ede..8b0a764984f886b711cb337a7f70608167916bf3 100644 --- a/src/main/java/net/minecraft/world/entity/LivingEntity.java +++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java @@ -296,6 +296,7 @@ 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() { @@ -722,7 +723,7 @@ 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) { @@ -796,6 +797,11 @@ 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); @@ -839,6 +845,16 @@ 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 d555fd0b200c012f30ed0c0ec09a37b25a737b76..7a6d51020d9c6be33b4c34c0d608559589d5b390 100644 --- a/src/main/java/net/minecraft/world/entity/item/ItemEntity.java +++ b/src/main/java/net/minecraft/world/entity/item/ItemEntity.java @@ -63,6 +63,7 @@ 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); @@ -186,7 +187,11 @@ public class ItemEntity extends Entity implements TraceableEntity { this.applyEffectsFromBlocks(); float f = 0.98F; - if (this.onGround()) { + // Paper start - Friction API + if (frictionState == net.kyori.adventure.util.TriState.FALSE) { + f = 1F; + } else if (this.onGround()) { + // Paper end - Friction API f = this.level().getBlockState(this.getBlockPosBelowThatAffectsMyMovement()).getBlock().getFriction() * 0.98F; } @@ -409,6 +414,11 @@ 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); @@ -451,6 +461,17 @@ public class ItemEntity extends Entity implements TraceableEntity { this.setItem(ItemStack.EMPTY); } + // 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 + if (this.getItem().isEmpty()) { this.discard(null); // CraftBukkit - add Bukkit remove cause } diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java index 1a291dd8a287db30e71dcb315599fc4b038764c4..30d62ee4d5cd2ddacb8783b5bbbf475d592b3e02 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 1ceaa081231a617bd87331b308c24d9c7a8dcf2b..2fd4a3068d86a37cc18c9203448823c53d590ffb 100644 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java @@ -1198,4 +1198,17 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity { nmsStack.hurtAndBreak(amount, this.getHandle(), slot, true); } // Paper end - ItemStack damage API + // Paper start - friction API + @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; + } + // Paper end - friction API }