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46 lines
1.9 KiB
Diff
46 lines
1.9 KiB
Diff
From 75b301f96c5f5dfddc5bca5671e055cefcb9fcde Mon Sep 17 00:00:00 2001
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From: Brokkonaut <hannos17@gmx.de>
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Date: Mon, 18 Jun 2018 15:46:23 +0200
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Subject: [PATCH] Implement EntityKnockbackByEntityEvent
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This event is called when an entity receives knockback by another entity.
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diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
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index eaab10a146..4455dc4891 100644
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--- a/src/main/java/net/minecraft/server/EntityLiving.java
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+++ b/src/main/java/net/minecraft/server/EntityLiving.java
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@@ -1247,6 +1247,12 @@ public abstract class EntityLiving extends Entity {
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this.impulse = true;
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float f1 = MathHelper.sqrt(d0 * d0 + d1 * d1);
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+ // Paper start - preserve old velocity
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+ double oldMotX = this.motX;
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+ double oldMotY = this.motY;
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+ double oldMotZ = this.motZ;
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+ // Paper end
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+
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this.motX /= 2.0D;
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this.motZ /= 2.0D;
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this.motX -= d0 / (double) f1 * (double) f;
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@@ -1259,6 +1265,18 @@ public abstract class EntityLiving extends Entity {
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}
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}
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+ // Paper start - call EntityKnockbackByEntityEvent
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+ org.bukkit.util.Vector delta = new org.bukkit.util.Vector(this.motX - oldMotX, this.motY - oldMotY, this.motZ - oldMotZ);
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+ // Restore old velocity to be able to access it in the event
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+ this.motX = oldMotX;
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+ this.motY = oldMotY;
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+ this.motZ = oldMotZ;
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+ if (entity == null || new com.destroystokyo.paper.event.entity.EntityKnockbackByEntityEvent((LivingEntity) getBukkitEntity(), entity.getBukkitEntity(), f, delta).callEvent()) {
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+ this.motX += delta.getX();
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+ this.motY += delta.getY();
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+ this.motZ += delta.getZ();
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+ }
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+ // Paper end
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}
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}
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--
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2.18.0
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