mirror of https://github.com/PaperMC/Paper.git
106 lines
7.5 KiB
Diff
106 lines
7.5 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/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
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index bc90eb2e644916f73f02d94de1dcc9f3f7307390..cc7cf6a8b610c72b72ba128c086df61371f59c25 100644
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--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
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+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
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@@ -1456,7 +1456,7 @@ public abstract class LivingEntity extends Entity {
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}
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this.hurtDir = (float) (Mth.atan2(d1, d0) * 57.2957763671875D - (double) this.getYRot());
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- this.knockback(0.4000000059604645D, d0, d1);
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+ this.knockback(0.4000000059604645D, d0, d1, entity1);
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} else {
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this.hurtDir = (float) ((int) (Math.random() * 2.0D) * 180);
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}
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@@ -1504,7 +1504,7 @@ public abstract class LivingEntity extends Entity {
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}
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protected void blockedByShield(LivingEntity target) {
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- target.knockback(0.5D, target.getX() - this.getX(), target.getZ() - this.getZ());
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+ target.knockback(0.5D, target.getX() - this.getX(), target.getZ() - this.getZ(), this);
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}
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private boolean checkTotemDeathProtection(DamageSource source) {
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@@ -1760,6 +1760,11 @@ public abstract class LivingEntity extends Entity {
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}
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public void knockback(double strength, double x, double z) {
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+ // Paper start - add knockbacking entity parameter
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+ this.knockback(strength, x, z, null);
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+ }
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+ public void knockback(double strength, double x, double z, Entity knockingBackEntity) {
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+ // Paper end - add knockbacking entity parameter
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strength *= 1.0D - this.getAttributeValue(Attributes.KNOCKBACK_RESISTANCE);
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if (strength > 0.0D) {
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this.hasImpulse = true;
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@@ -1767,6 +1772,15 @@ public abstract class LivingEntity extends Entity {
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Vec3 vec3d1 = (new Vec3(x, 0.0D, z)).normalize().scale(strength);
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this.setDeltaMovement(vec3d.x / 2.0D - vec3d1.x, this.onGround ? Math.min(0.4D, vec3d.y / 2.0D + strength) : vec3d.y, vec3d.z / 2.0D - vec3d1.z);
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+ // Paper start - call EntityKnockbackByEntityEvent
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+ Vec3 currentMovement = this.getDeltaMovement();
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+ org.bukkit.util.Vector delta = new org.bukkit.util.Vector(currentMovement.x - vec3d.x, currentMovement.y - vec3d.y, currentMovement.z - vec3d.z);
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+ // Restore old velocity to be able to access it in the event
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+ this.setDeltaMovement(vec3d);
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+ if (knockingBackEntity == null || new com.destroystokyo.paper.event.entity.EntityKnockbackByEntityEvent((org.bukkit.entity.LivingEntity) getBukkitEntity(), knockingBackEntity.getBukkitEntity(), (float) strength, delta).callEvent()) {
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+ this.setDeltaMovement(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/Mob.java b/src/main/java/net/minecraft/world/entity/Mob.java
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index 4f3d3bb811ea767bbcc4327eeefcdc6d58ed5230..debc0cd9a71002878c0f68409b936e14c4a4dfda 100644
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--- a/src/main/java/net/minecraft/world/entity/Mob.java
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+++ b/src/main/java/net/minecraft/world/entity/Mob.java
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@@ -1579,7 +1579,7 @@ public abstract class Mob extends LivingEntity {
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if (flag) {
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if (f1 > 0.0F && target instanceof LivingEntity) {
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- ((LivingEntity) target).knockback((double) (f1 * 0.5F), (double) Mth.sin(this.getYRot() * 0.017453292F), (double) (-Mth.cos(this.getYRot() * 0.017453292F)));
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+ ((LivingEntity) target).knockback((double) (f1 * 0.5F), (double) Mth.sin(this.getYRot() * 0.017453292F), (double) (-Mth.cos(this.getYRot() * 0.017453292F)), this); // Paper
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this.setDeltaMovement(this.getDeltaMovement().multiply(0.6D, 1.0D, 0.6D));
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}
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diff --git a/src/main/java/net/minecraft/world/entity/ai/behavior/RamTarget.java b/src/main/java/net/minecraft/world/entity/ai/behavior/RamTarget.java
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index 3380b95e0eff5a6b1b683b8233b8991eb817b638..de8485df1c23e903ff0721fdb682b98d580b634e 100644
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--- a/src/main/java/net/minecraft/world/entity/ai/behavior/RamTarget.java
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+++ b/src/main/java/net/minecraft/world/entity/ai/behavior/RamTarget.java
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@@ -78,7 +78,7 @@ public class RamTarget extends Behavior<Goat> {
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float f = 0.25F * (float)(i - j);
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float g = Mth.clamp(goat.getSpeed() * 1.65F, 0.2F, 3.0F) + f;
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float h = livingEntity.isDamageSourceBlocked(DamageSource.mobAttack(goat)) ? 0.5F : 1.0F;
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- livingEntity.knockback((double)(h * g) * this.getKnockbackForce.applyAsDouble(goat), this.ramDirection.x(), this.ramDirection.z());
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+ livingEntity.knockback((double)(h * g) * this.getKnockbackForce.applyAsDouble(goat), this.ramDirection.x(), this.ramDirection.z(), goat); // Paper
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this.finishRam(serverLevel, goat);
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serverLevel.playSound((Player)null, goat, this.getImpactSound.apply(goat), SoundSource.HOSTILE, 1.0F, 1.0F);
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} else if (this.hasRammedHornBreakingBlock(serverLevel, goat)) {
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diff --git a/src/main/java/net/minecraft/world/entity/player/Player.java b/src/main/java/net/minecraft/world/entity/player/Player.java
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index df899b3280c484dbeeebda4edfedcac3c4b4dae7..f230038801ec9535670c25ed6fd9e3e0ed29c483 100644
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--- a/src/main/java/net/minecraft/world/entity/player/Player.java
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+++ b/src/main/java/net/minecraft/world/entity/player/Player.java
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@@ -1296,7 +1296,7 @@ public abstract class Player extends LivingEntity {
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if (flag5) {
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if (i > 0) {
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if (target instanceof LivingEntity) {
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- ((LivingEntity) target).knockback((double) ((float) i * 0.5F), (double) Mth.sin(this.getYRot() * 0.017453292F), (double) (-Mth.cos(this.getYRot() * 0.017453292F)));
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+ ((LivingEntity) target).knockback((double) ((float) i * 0.5F), (double) Mth.sin(this.getYRot() * 0.017453292F), (double) (-Mth.cos(this.getYRot() * 0.017453292F)), this); // Paper
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} else {
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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));
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}
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@@ -1320,7 +1320,7 @@ public abstract class Player extends LivingEntity {
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if (entityliving != this && entityliving != target && !this.isAlliedTo((Entity) entityliving) && (!(entityliving instanceof ArmorStand) || !((ArmorStand) entityliving).isMarker()) && this.distanceToSqr((Entity) entityliving) < 9.0D) {
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// CraftBukkit start - Only apply knockback if the damage hits
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if (entityliving.hurt(DamageSource.playerAttack(this).sweep(), f4)) {
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- entityliving.knockback(0.4000000059604645D, (double) Mth.sin(this.getYRot() * 0.017453292F), (double) (-Mth.cos(this.getYRot() * 0.017453292F)));
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+ entityliving.knockback(0.4000000059604645D, (double) Mth.sin(this.getYRot() * 0.017453292F), (double) (-Mth.cos(this.getYRot() * 0.017453292F)), this); // Paper
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}
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// CraftBukkit end
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}
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