1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
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 f725d1f797733f7a4871aa1f84e7353fc3c3f948..205c7bdc03c86229a100bd535db16b502d99ba24 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -273,6 +273,7 @@ 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() {
@@ -738,7 +739,7 @@ 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) {
@@ -799,6 +800,11 @@ 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);
@@ -842,6 +848,16 @@ 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 b392fda26982517cbc2c04156897184275ce69e5..8fd3845c4965843be9c37498760d93f1ebdff541 100644
--- a/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
+++ b/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
@@ -62,6 +62,7 @@ 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<? extends ItemEntity> type, Level world) {
super(type, world);
@@ -185,7 +186,11 @@ public class ItemEntity extends Entity implements TraceableEntity {
this.move(MoverType.SELF, this.getDeltaMovement());
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;
}
@@ -394,6 +399,11 @@ 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);
@@ -436,6 +446,17 @@ 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 5fe3e5b9f52dc1d2b9b4adb7ccaaa2bbf591af9c..e87a52f5dbb8cd984fd2203d912ac3f1ff9d68aa 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
@@ -1140,4 +1140,18 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {
nmsStack.hurtAndBreak(amount, this.getHandle(), slot);
}
// 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
}
|