Add LivingEntity knockback API (#8479)

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Melncat 2022-10-18 00:33:58 -07:00 committed by GitHub
parent 7d64d7ce77
commit ed2c88ba89
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2 changed files with 50 additions and 0 deletions

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@ -0,0 +1,28 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: MelnCat <melncatuwu@gmail.com>
Date: Sun, 16 Oct 2022 12:10:00 -0700
Subject: [PATCH] Add entity knockback API
diff --git a/src/main/java/org/bukkit/entity/LivingEntity.java b/src/main/java/org/bukkit/entity/LivingEntity.java
index 319e4571aca24d1e3f6c85b7435d65c0e77a5245..c9a44e8024f903da83181ee752c971bab22c8895 100644
--- a/src/main/java/org/bukkit/entity/LivingEntity.java
+++ b/src/main/java/org/bukkit/entity/LivingEntity.java
@@ -1003,5 +1003,17 @@ public interface LivingEntity extends Attributable, Damageable, ProjectileSource
this.swingOffHand();
}
}
+
+ /**
+ * Knocks back this entity from a specific direction with a specified strength. Mechanics such
+ * as knockback resistance will be factored in.
+ *
+ * The direction specified in this method will be the direction of the source of the knockback,
+ * so the entity will be pushed in the opposite direction.
+ * @param strength The strength of the knockback. Must be greater than 0.
+ * @param directionX The relative x position of the knockback source direction
+ * @param directionZ The relative z position of the knockback source direction
+ */
+ void knockback(double strength, double directionX, double directionZ);
// Paper end
}

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@ -0,0 +1,22 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: MelnCat <melncatuwu@gmail.com>
Date: Sun, 16 Oct 2022 12:10:17 -0700
Subject: [PATCH] Add entity knockback API
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
index e807ef287136e7b3931197e45434a3f618cf3054..06559a620b36f744c3d9fa2754e3c3eabead4752 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
@@ -977,5 +977,11 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {
}
throw new IllegalArgumentException(entityCategory + " is an unrecognized entity category");
}
+
+ @Override
+ public void knockback(double strength, double directionX, double directionZ) {
+ Preconditions.checkArgument(strength > 0, "Knockback strength must be > 0");
+ getHandle().knockback(strength, directionX, directionZ);
+ };
// Paper end
}