Preserve initial velocity of spawned entities - Fixes #4292

This commit is contained in:
Aikar 2020-09-19 13:19:34 -04:00
parent 0aa0eba111
commit 97b9071852

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@ -12,11 +12,25 @@ diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -0,0 +0,0 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
// CraftBukkit start
private static final int CURRENT_LEVEL = 2;
+ boolean preserveMotion = true; // Paper - keep initial motion on first setPositionRotation
static boolean isLevelAtLeast(NBTTagCompound tag, int level) {
return tag.hasKey("Bukkit.updateLevel") && tag.getInt("Bukkit.updateLevel") >= level;
}
@@ -0,0 +0,0 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
}
public void setPositionRotation(double d0, double d1, double d2, float f, float f1) {
+ this.mot = new Vec3D(0, 0, 0); // Paper - cancel entity velocity if teleported
+ // Paper - cancel entity velocity if teleported
+ if (!preserveMotion) {
+ this.mot = Vec3D.ORIGIN;
+ } else {
+ this.preserveMotion = false;
+ }
+ // Paper end
this.g(d0, d1, d2);
this.yaw = f;
this.pitch = f1;