Paper/patches/server/0622-Add-critical-damage-API.patch
Owen 89d51d5f29
Allow enabling sand duping (#10191)
Because this exploit has been widely known for years and has not been fixed by Mojang, we decided that it was worth allowing people to toggle it on/off due to how easy it is to make it configurable.

It should be noted that this decision does not promise all future exploits will be configurable.
2024-03-03 17:05:34 -05:00

112 Zeilen
8.3 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: dodison <kacpik@mapik.eu>
Date: Mon, 26 Jul 2021 17:32:36 +0200
Subject: [PATCH] Add critical damage API
diff --git a/src/main/java/net/minecraft/world/damagesource/DamageSource.java b/src/main/java/net/minecraft/world/damagesource/DamageSource.java
index e055106c50944c9a23bc59fe23f58a62c5deb7e4..8187feffe52efa5c887f1910e581a37c6e439401 100644
--- a/src/main/java/net/minecraft/world/damagesource/DamageSource.java
+++ b/src/main/java/net/minecraft/world/damagesource/DamageSource.java
@@ -234,4 +234,18 @@ public class DamageSource {
public Holder<DamageType> typeHolder() {
return this.type;
}
+
+ // Paper start - add critical damage API
+ private boolean critical;
+ public boolean isCritical() {
+ return this.critical;
+ }
+ public DamageSource critical() {
+ return this.critical(true);
+ }
+ public DamageSource critical(boolean critical) {
+ this.critical = critical;
+ return this;
+ }
+ // Paper end - add critical damage API
}
diff --git a/src/main/java/net/minecraft/world/entity/player/Player.java b/src/main/java/net/minecraft/world/entity/player/Player.java
index 4d967016ac34d21161f10217db494f5bb537bd07..cb91111c1ae1cfbf256ba09f76ce0b0c8fc91f32 100644
--- a/src/main/java/net/minecraft/world/entity/player/Player.java
+++ b/src/main/java/net/minecraft/world/entity/player/Player.java
@@ -1257,7 +1257,7 @@ public abstract class Player extends LivingEntity {
flag1 = true;
}
- boolean flag2 = flag && this.fallDistance > 0.0F && !this.onGround() && !this.onClimbable() && !this.isInWater() && !this.hasEffect(MobEffects.BLINDNESS) && !this.isPassenger() && target instanceof LivingEntity;
+ boolean flag2 = flag && this.fallDistance > 0.0F && !this.onGround() && !this.onClimbable() && !this.isInWater() && !this.hasEffect(MobEffects.BLINDNESS) && !this.isPassenger() && target instanceof LivingEntity; // Paper - Add critical damage API; diff on change
flag2 = flag2 && !this.level().paperConfig().entities.behavior.disablePlayerCrits; // Paper - Toggleable player crits
flag2 = flag2 && !this.isSprinting();
@@ -1297,7 +1297,7 @@ public abstract class Player extends LivingEntity {
}
Vec3 vec3d = target.getDeltaMovement();
- boolean flag5 = target.hurt(this.damageSources().playerAttack(this), f);
+ boolean flag5 = target.hurt(this.damageSources().playerAttack(this).critical(flag2), f); // Paper - add critical damage API
if (flag5) {
if (i > 0) {
@@ -1325,7 +1325,7 @@ public abstract class Player extends LivingEntity {
if (entityliving != this && entityliving != target && !this.isAlliedTo((Entity) entityliving) && (!(entityliving instanceof ArmorStand) || !((ArmorStand) entityliving).isMarker()) && this.distanceToSqr((Entity) entityliving) < 9.0D) {
// CraftBukkit start - Only apply knockback if the damage hits
- if (entityliving.hurt(this.damageSources().playerAttack(this).sweep(), f4)) {
+ if (entityliving.hurt(this.damageSources().playerAttack(this).sweep().critical(flag2), f4)) { // Paper - add critical damage API
entityliving.knockback(0.4000000059604645D, (double) Mth.sin(this.getYRot() * 0.017453292F), (double) (-Mth.cos(this.getYRot() * 0.017453292F)), this, EntityKnockbackEvent.KnockbackCause.SWEEP_ATTACK); // CraftBukkit
}
// CraftBukkit end
diff --git a/src/main/java/net/minecraft/world/entity/projectile/AbstractArrow.java b/src/main/java/net/minecraft/world/entity/projectile/AbstractArrow.java
index 913f0eb1d9081cd224b54df401ff4a0af2989f1f..b3972c0aececb1d7170a47bbe8f1d6ce02d11331 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/AbstractArrow.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/AbstractArrow.java
@@ -380,6 +380,7 @@ public abstract class AbstractArrow extends Projectile {
}
}
+ if (this.isCritArrow()) damagesource = damagesource.critical(); // Paper - add critical damage API
boolean flag = entity.getType() == EntityType.ENDERMAN;
int k = entity.getRemainingFireTicks();
boolean flag1 = entity.getType().is(EntityTypeTags.DEFLECTS_ARROWS);
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
index fef616ed1deac6cf400a2f39a2eba11b94921415..ef45cf53ee3e5bf9da11f631c6eeeb8df00e9920 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -1062,7 +1062,7 @@ public class CraftEventFactory {
return CraftEventFactory.callEntityDamageEvent(source.getDirectBlock(), entity, DamageCause.BLOCK_EXPLOSION, bukkitDamageSource, modifiers, modifierFunctions, cancelled);
}
DamageCause damageCause = (damager.getBukkitEntity() instanceof org.bukkit.entity.TNTPrimed) ? DamageCause.BLOCK_EXPLOSION : DamageCause.ENTITY_EXPLOSION;
- return CraftEventFactory.callEntityDamageEvent(damager, entity, damageCause, bukkitDamageSource, modifiers, modifierFunctions, cancelled);
+ return CraftEventFactory.callEntityDamageEvent(damager, entity, damageCause, bukkitDamageSource, modifiers, modifierFunctions, cancelled, source.isCritical()); // Paper - add critical damage API
} else if (damager != null || source.getDirectEntity() != null) {
DamageCause cause = (source.isSweep()) ? DamageCause.ENTITY_SWEEP_ATTACK : DamageCause.ENTITY_ATTACK;
@@ -1092,7 +1092,7 @@ public class CraftEventFactory {
cause = DamageCause.MAGIC;
}
- return CraftEventFactory.callEntityDamageEvent(damager, entity, cause, bukkitDamageSource, modifiers, modifierFunctions, cancelled);
+ return CraftEventFactory.callEntityDamageEvent(damager, entity, cause, bukkitDamageSource, modifiers, modifierFunctions, cancelled, source.isCritical()); // Paper - add critical damage API
} else if (source.is(DamageTypes.FELL_OUT_OF_WORLD)) {
return CraftEventFactory.callEntityDamageEvent(source.getDirectBlock(), entity, DamageCause.VOID, bukkitDamageSource, modifiers, modifierFunctions, cancelled);
} else if (source.is(DamageTypes.LAVA)) {
@@ -1150,13 +1150,13 @@ public class CraftEventFactory {
cause = DamageCause.CUSTOM;
}
- return CraftEventFactory.callEntityDamageEvent((Entity) null, entity, cause, bukkitDamageSource, modifiers, modifierFunctions, cancelled);
+ return CraftEventFactory.callEntityDamageEvent((Entity) null, entity, cause, bukkitDamageSource, modifiers, modifierFunctions, cancelled, source.isCritical()); // Paper - add critical damage API
}
- private static EntityDamageEvent callEntityDamageEvent(Entity damager, Entity damagee, DamageCause cause, org.bukkit.damage.DamageSource bukkitDamageSource, Map<DamageModifier, Double> modifiers, Map<DamageModifier, Function<? super Double, Double>> modifierFunctions, boolean cancelled) {
+ private static EntityDamageEvent callEntityDamageEvent(Entity damager, Entity damagee, DamageCause cause, org.bukkit.damage.DamageSource bukkitDamageSource, Map<DamageModifier, Double> modifiers, Map<DamageModifier, Function<? super Double, Double>> modifierFunctions, boolean cancelled, boolean critical) { // Paper - add critical damage API
EntityDamageEvent event;
if (damager != null) {
- event = new EntityDamageByEntityEvent(damager.getBukkitEntity(), damagee.getBukkitEntity(), cause, bukkitDamageSource, modifiers, modifierFunctions);
+ event = new EntityDamageByEntityEvent(damager.getBukkitEntity(), damagee.getBukkitEntity(), cause, bukkitDamageSource, modifiers, modifierFunctions, critical);
} else {
event = new EntityDamageEvent(damagee.getBukkitEntity(), cause, bukkitDamageSource, modifiers, modifierFunctions);
}