Entity Jump API (#1587)

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BillyGalbreath 2020-02-10 22:28:39 -06:00 committed by GitHub
parent 9976a76809
commit 28d9dcfcf4
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2 changed files with 163 additions and 0 deletions

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@ -0,0 +1,91 @@
From a8b56634a5ca81cad0a7290711a6054000a28f7c Mon Sep 17 00:00:00 2001
From: BillyGalbreath <Blake.Galbreath@GMail.com>
Date: Sat, 8 Feb 2020 23:26:18 -0600
Subject: [PATCH] Entity Jump API
diff --git a/src/main/java/com/destroystokyo/paper/event/entity/EntityJumpEvent.java b/src/main/java/com/destroystokyo/paper/event/entity/EntityJumpEvent.java
new file mode 100644
index 00000000..f0067c2e
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/event/entity/EntityJumpEvent.java
@@ -0,0 +1,46 @@
+package com.destroystokyo.paper.event.entity;
+
+import org.bukkit.entity.LivingEntity;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.entity.EntityEvent;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Called when an entity jumps
+ * <p>
+ * Cancelling the event will stop the entity from jumping
+ */
+public class EntityJumpEvent extends EntityEvent implements Cancellable {
+ private static final HandlerList handlers = new HandlerList();
+ private boolean canceled;
+
+ public EntityJumpEvent(@NotNull LivingEntity entity) {
+ super(entity);
+ }
+
+ @NotNull
+ @Override
+ public LivingEntity getEntity() {
+ return (LivingEntity) entity;
+ }
+
+ public boolean isCancelled() {
+ return canceled;
+ }
+
+ public void setCancelled(boolean cancel) {
+ canceled = cancel;
+ }
+
+ @NotNull
+ @Override
+ public HandlerList getHandlers() {
+ return handlers;
+ }
+
+ @NotNull
+ public static HandlerList getHandlerList() {
+ return handlers;
+ }
+}
diff --git a/src/main/java/org/bukkit/entity/LivingEntity.java b/src/main/java/org/bukkit/entity/LivingEntity.java
index 240f276c..77f4246d 100644
--- a/src/main/java/org/bukkit/entity/LivingEntity.java
+++ b/src/main/java/org/bukkit/entity/LivingEntity.java
@@ -680,5 +680,25 @@ public interface LivingEntity extends Attributable, Damageable, ProjectileSource
* @return Whether or not this entity is using or charging an attack (Bow pulled back, drinking potion, eating food)
*/
boolean isHandRaised();
+
+ /**
+ * Get entity jump state.
+ * <p>
+ * Jump state will be true when the entity has been marked to jump.
+ *
+ * @return entity jump state.
+ */
+ boolean isJumping();
+
+ /**
+ * Set entity jump state
+ * <p>
+ * Setting to true will mark the entity to jump.
+ * <p>
+ * Setting to false will unmark the entity to jump but will not stop a jump already in-progress.
+ *
+ * @param jumping entity jump state
+ */
+ void setJumping(boolean jumping);
// Paper end
}
--
2.25.0

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@ -0,0 +1,72 @@
From 9911996a0ea1415b4aa0505bf54b15624235310e Mon Sep 17 00:00:00 2001
From: BillyGalbreath <Blake.Galbreath@GMail.com>
Date: Sat, 8 Feb 2020 23:26:11 -0600
Subject: [PATCH] Entity Jump API
diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
index 1b9551ae0..ad474500e 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -91,7 +91,7 @@ public abstract class EntityLiving extends Entity {
protected float aV;
protected int aW; protected int getKillCount() { return this.aW; } // Paper - OBFHELPER
public float lastDamage;
- protected boolean jumping;
+ public boolean jumping; // Paper - protected -> public
public float aZ;
public float ba;
public float bb;
@@ -2605,8 +2605,10 @@ public abstract class EntityLiving extends Entity {
} else if (this.aH()) {
this.c(TagsFluid.LAVA);
} else if ((this.onGround || this.N > 0.0D && this.N <= 0.4D) && this.jumpTicks == 0) {
+ if (new com.destroystokyo.paper.event.entity.EntityJumpEvent(getBukkitLivingEntity()).callEvent()) { // Paper
this.jump();
this.jumpTicks = 10;
+ } else { this.setJumping(false); } // Paper - setJumping(false) stops a potential loop
}
} else {
this.jumpTicks = 0;
diff --git a/src/main/java/net/minecraft/server/EntityPanda.java b/src/main/java/net/minecraft/server/EntityPanda.java
index cd41c80f1..f50ed1908 100644
--- a/src/main/java/net/minecraft/server/EntityPanda.java
+++ b/src/main/java/net/minecraft/server/EntityPanda.java
@@ -438,7 +438,9 @@ public class EntityPanda extends EntityAnimal {
EntityPanda entitypanda = (EntityPanda) iterator.next();
if (!entitypanda.isBaby() && entitypanda.onGround && !entitypanda.isInWater() && entitypanda.eL()) {
+ if (new com.destroystokyo.paper.event.entity.EntityJumpEvent(getBukkitLivingEntity()).callEvent()) { // Paper
entitypanda.jump();
+ } else { this.setJumping(false); } // Paper - setJumping(false) stops a potential loop
}
}
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
index b27fd44dc..277eb54e7 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
@@ -711,5 +711,20 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {
public boolean isHandRaised() {
return getHandle().isHandRaised();
}
+
+ @Override
+ public boolean isJumping() {
+ return getHandle().jumping;
+ }
+
+ @Override
+ public void setJumping(boolean jumping) {
+ getHandle().setJumping(jumping);
+ if (jumping && getHandle() instanceof EntityInsentient) {
+ // this is needed to actually make a mob jump
+ ((EntityInsentient) getHandle()).getControllerJump().jump();
+ }
+ }
+
// Paper end
}
--
2.25.0