94 lines
6.2 KiB
Diff
94 lines
6.2 KiB
Diff
From 0000000000000000000000000000000000000000 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/world/entity/EntityInsentient.java b/src/main/java/net/minecraft/world/entity/EntityInsentient.java
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index 2cc15ac22000343dc540454ba971993bf5b2f5a3..e177483dace853ccd01d410fc7deea17663e9a3d 100644
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--- a/src/main/java/net/minecraft/world/entity/EntityInsentient.java
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+++ b/src/main/java/net/minecraft/world/entity/EntityInsentient.java
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@@ -1568,7 +1568,7 @@ public abstract class EntityInsentient extends EntityLiving {
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if (flag) {
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if (f1 > 0.0F && entity instanceof EntityLiving) {
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- ((EntityLiving) entity).a(f1 * 0.5F, (double) MathHelper.sin(this.yaw * 0.017453292F), (double) (-MathHelper.cos(this.yaw * 0.017453292F)));
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+ ((EntityLiving) entity).doKnockback(f1 * 0.5F, (double) MathHelper.sin(this.yaw * 0.017453292F), (double) (-MathHelper.cos(this.yaw * 0.017453292F)), this); // Paper
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this.setMot(this.getMot().d(0.6D, 1.0D, 0.6D));
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}
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diff --git a/src/main/java/net/minecraft/world/entity/EntityLiving.java b/src/main/java/net/minecraft/world/entity/EntityLiving.java
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index b776b14a62919fdfe86095c5eb6dfd039486b4a7..daf09f3f0e6be57f540641d70e9c944de7fe6622 100644
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--- a/src/main/java/net/minecraft/world/entity/EntityLiving.java
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+++ b/src/main/java/net/minecraft/world/entity/EntityLiving.java
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@@ -1339,7 +1339,7 @@ public abstract class EntityLiving extends Entity {
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}
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this.ap = (float) (MathHelper.d(d1, d0) * 57.2957763671875D - (double) this.yaw);
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- this.a(0.4F, d0, d1);
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+ this.doKnockback(0.4F, d0, d1, entity1); // Paper
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} else {
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this.ap = (float) ((int) (Math.random() * 2.0D) * 180);
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}
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@@ -1387,7 +1387,7 @@ public abstract class EntityLiving extends Entity {
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}
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protected void e(EntityLiving entityliving) {
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- entityliving.a(0.5F, entityliving.locX() - this.locX(), entityliving.locZ() - this.locZ());
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+ entityliving.doKnockback(0.5F, entityliving.locX() - this.locX(), entityliving.locZ() - this.locZ(), this); // Paper
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}
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private boolean f(DamageSource damagesource) {
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@@ -1630,6 +1630,11 @@ public abstract class EntityLiving extends Entity {
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}
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public void a(float f, double d0, double d1) {
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+ // Paper start - add knockbacking entity parameter
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+ this.doKnockback(f, d0, d1, null);
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+ }
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+ public void doKnockback(float f, double d0, double d1, Entity knockingBackEntity) {
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+ // Paper end - add knockbacking entity parameter
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f = (float) ((double) f * (1.0D - this.b(GenericAttributes.KNOCKBACK_RESISTANCE)));
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if (f > 0.0F) {
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this.impulse = true;
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@@ -1637,6 +1642,16 @@ public abstract class EntityLiving extends Entity {
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Vec3D vec3d1 = (new Vec3D(d0, 0.0D, d1)).d().a((double) f);
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this.setMot(vec3d.x / 2.0D - vec3d1.x, this.onGround ? Math.min(0.4D, vec3d.y / 2.0D + (double) f) : vec3d.y, vec3d.z / 2.0D - vec3d1.z);
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+
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+ // Paper start - call EntityKnockbackByEntityEvent
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+ Vec3D currentMot = this.getMot();
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+ org.bukkit.util.Vector delta = new org.bukkit.util.Vector(currentMot.x - vec3d.x, currentMot.y - vec3d.y, currentMot.z - vec3d.z);
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+ // Restore old velocity to be able to access it in the event
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+ this.setMot(vec3d);
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+ if (knockingBackEntity == null || new com.destroystokyo.paper.event.entity.EntityKnockbackByEntityEvent((LivingEntity) getBukkitEntity(), knockingBackEntity.getBukkitEntity(), f, delta).callEvent()) {
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+ this.setMot(vec3d.x + delta.getX(), vec3d.y + delta.getY(), vec3d.z + delta.getZ());
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+ }
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+ // Paper end
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}
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}
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diff --git a/src/main/java/net/minecraft/world/entity/player/EntityHuman.java b/src/main/java/net/minecraft/world/entity/player/EntityHuman.java
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index 408732c59ed817c056671a78e43a734b048a818e..3c49d7acd4ad0717886adf6c469e8a49a58e859b 100644
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--- a/src/main/java/net/minecraft/world/entity/player/EntityHuman.java
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+++ b/src/main/java/net/minecraft/world/entity/player/EntityHuman.java
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@@ -1177,7 +1177,7 @@ public abstract class EntityHuman extends EntityLiving {
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if (flag5) {
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if (i > 0) {
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if (entity instanceof EntityLiving) {
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- ((EntityLiving) entity).a((float) i * 0.5F, (double) MathHelper.sin(this.yaw * 0.017453292F), (double) (-MathHelper.cos(this.yaw * 0.017453292F)));
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+ ((EntityLiving) entity).doKnockback((float) i * 0.5F, (double) MathHelper.sin(this.yaw * 0.017453292F), (double) (-MathHelper.cos(this.yaw * 0.017453292F)), this); // Paper
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} else {
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entity.i((double) (-MathHelper.sin(this.yaw * 0.017453292F) * (float) i * 0.5F), 0.1D, (double) (MathHelper.cos(this.yaw * 0.017453292F) * (float) i * 0.5F));
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}
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@@ -1201,7 +1201,7 @@ public abstract class EntityHuman extends EntityLiving {
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if (entityliving != this && entityliving != entity && !this.r(entityliving) && (!(entityliving instanceof EntityArmorStand) || !((EntityArmorStand) entityliving).isMarker()) && this.h((Entity) entityliving) < 9.0D) {
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// CraftBukkit start - Only apply knockback if the damage hits
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if (entityliving.damageEntity(DamageSource.playerAttack(this).sweep(), f4)) {
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- entityliving.a(0.4F, (double) MathHelper.sin(this.yaw * 0.017453292F), (double) (-MathHelper.cos(this.yaw * 0.017453292F)));
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+ entityliving.doKnockback(0.4F, (double) MathHelper.sin(this.yaw * 0.017453292F), (double) (-MathHelper.cos(this.yaw * 0.017453292F)), this); // Paper
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}
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// CraftBukkit end
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}
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