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Add EntityPushedByEntityEvent (#7704)

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aerulion 2022-12-23 20:59:11 +01:00
parent 0ece030a7d
commit 6b4dfb9627
2 changed files with 173 additions and 36 deletions
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106
patches/api/Add-EntityKnockbackByEntityEvent.patch → patches/api/Add-EntityKnockbackByEntityEvent-and-EntityPushedByE.patch
View file

@ -1,8 +1,10 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Brokkonaut <hannos17@gmx.de>
Date: Mon, 18 Jun 2018 15:40:39 +0200
Subject: [PATCH] Add EntityKnockbackByEntityEvent
Subject: [PATCH] Add EntityKnockbackByEntityEvent and
EntityPushedByEntityAttackEvent
Co-authored-by: aerulion <aerulion@gmail.com>
diff --git a/src/main/java/com/destroystokyo/paper/event/entity/EntityKnockbackByEntityEvent.java b/src/main/java/com/destroystokyo/paper/event/entity/EntityKnockbackByEntityEvent.java
new file mode 100644
@ -12,11 +14,9 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
@@ -0,0 +0,0 @@
+package com.destroystokyo.paper.event.entity;
+
+import io.papermc.paper.event.entity.EntityPushedByEntityAttackEvent;
+import org.bukkit.entity.Entity;
+import org.bukkit.entity.LivingEntity;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.entity.EntityEvent;
+import org.bukkit.util.Vector;
+import org.jetbrains.annotations.NotNull;
+
@ -25,18 +25,72 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ * vector can be modified. If this event is cancelled, the entity is not knocked back.
+ *
+ */
+public class EntityKnockbackByEntityEvent extends EntityEvent implements Cancellable {
+ private static final HandlerList handlers = new HandlerList();
+
+ @NotNull private final Entity hitBy;
+public class EntityKnockbackByEntityEvent extends EntityPushedByEntityAttackEvent {
+ private final float knockbackStrength;
+ @NotNull private final Vector acceleration;
+ private boolean cancelled = false;
+
+ public EntityKnockbackByEntityEvent(@NotNull LivingEntity entity, @NotNull Entity hitBy, float knockbackStrength, @NotNull Vector acceleration) {
+ super(entity);
+ this.hitBy = hitBy;
+ super(entity, hitBy, acceleration);
+ this.knockbackStrength = knockbackStrength;
+ }
+
+ /**
+ * @return the entity which was knocked back
+ */
+ @NotNull
+ @Override
+ public LivingEntity getEntity() {
+ return (LivingEntity) super.getEntity();
+ }
+
+ /**
+ * @return the original knockback strength.
+ */
+ public float getKnockbackStrength() {
+ return knockbackStrength;
+ }
+
+ /**
+ * @return the Entity which hit
+ */
+ @NotNull
+ public Entity getHitBy() {
+ return super.getPushedBy();
+ }
+
+}
diff --git a/src/main/java/io/papermc/paper/event/entity/EntityPushedByEntityAttackEvent.java b/src/main/java/io/papermc/paper/event/entity/EntityPushedByEntityAttackEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
--- /dev/null
+++ b/src/main/java/io/papermc/paper/event/entity/EntityPushedByEntityAttackEvent.java
@@ -0,0 +0,0 @@
+package io.papermc.paper.event.entity;
+
+import org.bukkit.entity.Entity;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.entity.EntityEvent;
+import org.bukkit.util.Vector;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Fired when an entity is pushed by another entity's attack. The acceleration vector can be
+ * modified. If this event is cancelled, the entity will not get pushed.
+ * <p>
+ * Note: Some entities might trigger this multiple times on the same entity
+ * as multiple acceleration calculations are done.
+ */
+public class EntityPushedByEntityAttackEvent extends EntityEvent implements Cancellable {
+
+ private static final HandlerList handlers = new HandlerList();
+
+ private final @NotNull Entity pushedBy;
+ private final @NotNull Vector acceleration;
+ private boolean cancelled = false;
+
+ public EntityPushedByEntityAttackEvent(@NotNull Entity entity, @NotNull Entity pushedBy, @NotNull Vector acceleration) {
+ super(entity);
+ this.pushedBy = pushedBy;
+ this.acceleration = acceleration;
+ }
+
@ -61,31 +115,19 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ }
+
+ /**
+ * @return the entity which was knocked back
+ * Gets the entity which pushed the affected entity.
+ *
+ * @return the pushing entity
+ */
+ @NotNull
+ @Override
+ public LivingEntity getEntity() {
+ return (LivingEntity) super.getEntity();
+ public Entity getPushedBy() {
+ return pushedBy;
+ }
+
+ /**
+ * @return the original knockback strength.
+ */
+ public float getKnockbackStrength() {
+ return knockbackStrength;
+ }
+
+ /**
+ * @return the Entity which hit
+ */
+ @NotNull
+ public Entity getHitBy() {
+ return hitBy;
+ }
+
+ /**
+ * @return the acceleration that will be applied
+ * Gets the acceleration that will be applied to the affected entity.
+ *
+ * @return the acceleration vector
+ */
+ @NotNull
+ public Vector getAcceleration() {

103
patches/server/Implement-EntityKnockbackByEntityEvent.patch → patches/server/Implement-EntityKnockbackByEntityEvent-and-EntityPus.patch
View file

@ -1,10 +1,37 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Brokkonaut <hannos17@gmx.de>
Date: Mon, 18 Jun 2018 15:46:23 +0200
Subject: [PATCH] Implement EntityKnockbackByEntityEvent
Subject: [PATCH] Implement EntityKnockbackByEntityEvent and
EntityPushedByEntityAttackEvent
Co-authored-by: aerulion <aerulion@gmail.com>
This event is called when an entity receives knockback by another entity.
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -0,0 +0,0 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
}
public void push(double deltaX, double deltaY, double deltaZ) {
- this.setDeltaMovement(this.getDeltaMovement().add(deltaX, deltaY, deltaZ));
- this.hasImpulse = true;
+ // Paper start - call EntityPushedByEntityEvent
+ this.push(deltaX, deltaY, deltaZ, null);
+ }
+
+ public void push(double deltaX, double deltaY, double deltaZ, @org.jetbrains.annotations.Nullable Entity pushingEntity) {
+ org.bukkit.util.Vector delta = new org.bukkit.util.Vector(deltaX, deltaY, deltaZ);
+ if (pushingEntity == null || new io.papermc.paper.event.entity.EntityPushedByEntityAttackEvent(getBukkitEntity(), pushingEntity.getBukkitEntity(), delta).callEvent()) {
+ this.setDeltaMovement(this.getDeltaMovement().add(delta.getX(), delta.getY(), delta.getZ()));
+ this.hasImpulse = true;
+ }
+ // Paper end - call EntityPushedByEntityEvent
}
protected void markHurt() {
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
@ -14,7 +41,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
this.hurtDir = (float) (Mth.atan2(d1, d0) * 57.2957763671875D - (double) this.getYRot());
- this.knockback(0.4000000059604645D, d0, d1);
+ this.knockback(0.4000000059604645D, d0, d1, entity1);
+ this.knockback(0.4000000059604645D, d0, d1, entity1); // Paper
} else {
this.hurtDir = (float) ((int) (Math.random() * 2.0D) * 180);
}
@ -23,7 +50,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
protected void blockedByShield(LivingEntity target) {
- target.knockback(0.5D, target.getX() - this.getX(), target.getZ() - this.getZ());
+ target.knockback(0.5D, target.getX() - this.getX(), target.getZ() - this.getZ(), this);
+ target.knockback(0.5D, target.getX() - this.getX(), target.getZ() - this.getZ(), this); // Paper
}
private boolean checkTotemDeathProtection(DamageSource source) {
@ -81,6 +108,58 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
this.finishRam(world, entity);
world.playSound((Player)null, entity, this.getImpactSound.apply(entity), SoundSource.NEUTRAL, 1.0F, 1.0F);
} else if (this.hasRammedHornBreakingBlock(world, entity)) {
diff --git a/src/main/java/net/minecraft/world/entity/ai/behavior/warden/SonicBoom.java b/src/main/java/net/minecraft/world/entity/ai/behavior/warden/SonicBoom.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/entity/ai/behavior/warden/SonicBoom.java
+++ b/src/main/java/net/minecraft/world/entity/ai/behavior/warden/SonicBoom.java
@@ -0,0 +0,0 @@ public class SonicBoom extends Behavior<Warden> {
target.hurt(DamageSource.sonicBoom(entity), 10.0F);
double d = 0.5D * (1.0D - target.getAttributeValue(Attributes.KNOCKBACK_RESISTANCE));
double e = 2.5D * (1.0D - target.getAttributeValue(Attributes.KNOCKBACK_RESISTANCE));
- target.push(vec33.x() * e, vec33.y() * d, vec33.z() * e);
+ target.push(vec33.x() * e, vec33.y() * d, vec33.z() * e, entity); // Paper
});
}
}
diff --git a/src/main/java/net/minecraft/world/entity/boss/enderdragon/EnderDragon.java b/src/main/java/net/minecraft/world/entity/boss/enderdragon/EnderDragon.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/entity/boss/enderdragon/EnderDragon.java
+++ b/src/main/java/net/minecraft/world/entity/boss/enderdragon/EnderDragon.java
@@ -0,0 +0,0 @@ public class EnderDragon extends Mob implements Enemy {
double d3 = entity.getZ() - d1;
double d4 = Math.max(d2 * d2 + d3 * d3, 0.1D);
- entity.push(d2 / d4 * 4.0D, 0.20000000298023224D, d3 / d4 * 4.0D);
+ entity.push(d2 / d4 * 4.0D, 0.20000000298023224D, d3 / d4 * 4.0D, this); // Paper
if (!this.phaseManager.getCurrentPhase().isSitting() && ((LivingEntity) entity).getLastHurtByMobTimestamp() < entity.tickCount - 2) {
entity.hurt(DamageSource.mobAttack(this), 5.0F);
this.doEnchantDamageEffects(this, entity);
diff --git a/src/main/java/net/minecraft/world/entity/monster/Ravager.java b/src/main/java/net/minecraft/world/entity/monster/Ravager.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/entity/monster/Ravager.java
+++ b/src/main/java/net/minecraft/world/entity/monster/Ravager.java
@@ -0,0 +0,0 @@ public class Ravager extends Raider {
double d1 = entity.getZ() - this.getZ();
double d2 = Math.max(d0 * d0 + d1 * d1, 0.001D);
- entity.push(d0 / d2 * 4.0D, 0.2D, d1 / d2 * 4.0D);
+ entity.push(d0 / d2 * 4.0D, 0.2D, d1 / d2 * 4.0D, this); // Paper
}
@Override
diff --git a/src/main/java/net/minecraft/world/entity/monster/hoglin/HoglinBase.java b/src/main/java/net/minecraft/world/entity/monster/hoglin/HoglinBase.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/entity/monster/hoglin/HoglinBase.java
+++ b/src/main/java/net/minecraft/world/entity/monster/hoglin/HoglinBase.java
@@ -0,0 +0,0 @@ public interface HoglinBase {
double j = f * (double)(attacker.level.random.nextFloat() * 0.5F + 0.2F);
Vec3 vec3 = (new Vec3(g, 0.0D, h)).normalize().scale(j).yRot(i);
double k = f * (double)attacker.level.random.nextFloat() * 0.5D;
- target.push(vec3.x, k, vec3.z);
+ target.push(vec3.x, k, vec3.z, attacker); // Paper
target.hurtMarked = true;
}
}
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 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/entity/player/Player.java
@ -92,8 +171,11 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
- ((LivingEntity) target).knockback((double) ((float) i * 0.5F), (double) Mth.sin(this.getYRot() * 0.017453292F), (double) (-Mth.cos(this.getYRot() * 0.017453292F)));
+ ((LivingEntity) target).knockback((double) ((float) i * 0.5F), (double) Mth.sin(this.getYRot() * 0.017453292F), (double) (-Mth.cos(this.getYRot() * 0.017453292F)), this); // Paper
} else {
target.push((double) (-Mth.sin(this.getYRot() * 0.017453292F) * (float) i * 0.5F), 0.1D, (double) (Mth.cos(this.getYRot() * 0.017453292F) * (float) i * 0.5F));
- target.push((double) (-Mth.sin(this.getYRot() * 0.017453292F) * (float) i * 0.5F), 0.1D, (double) (Mth.cos(this.getYRot() * 0.017453292F) * (float) i * 0.5F));
+ target.push((double) (-Mth.sin(this.getYRot() * 0.017453292F) * (float) i * 0.5F), 0.1D, (double) (Mth.cos(this.getYRot() * 0.017453292F) * (float) i * 0.5F), this); // Paper
}
this.setDeltaMovement(this.getDeltaMovement().multiply(0.6D, 1.0D, 0.6D));
@@ -0,0 +0,0 @@ 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
@ -103,3 +185,16 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
}
// 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 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/AbstractArrow.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/AbstractArrow.java
@@ -0,0 +0,0 @@ public abstract class AbstractArrow extends Projectile {
Vec3 vec3d = this.getDeltaMovement().multiply(1.0D, 0.0D, 1.0D).normalize().scale((double) this.knockback * 0.6D * d0);
if (vec3d.lengthSqr() > 0.0D) {
- entityliving.push(vec3d.x, 0.1D, vec3d.z);
+ entityliving.push(vec3d.x, 0.1D, vec3d.z, this); // Paper
}
}