From 1bb523c4e4b58a43f2050567c73e83beb1bd8217 Mon Sep 17 00:00:00 2001
From: md_5 <git@md-5.net>
Date: Mon, 19 Feb 2018 09:52:00 +1100
Subject: [PATCH] SPIGOT-3829: Apply some speed limits to all entities

---
 nms-patches/Entity.patch | 45 ++++++++++++++++++++--------------------
 1 file changed, 22 insertions(+), 23 deletions(-)

diff --git a/nms-patches/Entity.patch b/nms-patches/Entity.patch
index 596d2acebb..39777cd1a3 100644
--- a/nms-patches/Entity.patch
+++ b/nms-patches/Entity.patch
@@ -372,7 +372,7 @@
  
              this.locX = nbttaglist.f(0);
              this.locY = nbttaglist.f(1);
-@@ -1397,6 +1619,58 @@
+@@ -1397,6 +1619,57 @@
                  this.setPosition(this.locX, this.locY, this.locZ);
              }
  
@@ -388,19 +388,18 @@
 +            }
 +            // CraftBukkit end
 +
-+            // CraftBukkit start - Exempt Vehicles from notch's sanity check
-+            if (!(getBukkitEntity() instanceof Vehicle)) {
-+                if (Math.abs(this.motX) > 10.0D) {
-+                    this.motX = 0.0D;
-+                }
++            // CraftBukkit start
++            double limit = getBukkitEntity() instanceof Vehicle ? 100.0D : 10.0D;
++            if (Math.abs(this.motX) > limit) {
++                this.motX = 0.0D;
++            }
 +
-+                if (Math.abs(this.motY) > 10.0D) {
-+                    this.motY = 0.0D;
-+                }
++            if (Math.abs(this.motY) > limit) {
++                this.motY = 0.0D;
++            }
 +
-+                if (Math.abs(this.motZ) > 10.0D) {
-+                    this.motZ = 0.0D;
-+                }
++            if (Math.abs(this.motZ) > limit) {
++                this.motZ = 0.0D;
 +            }
 +            // CraftBukkit end
 +
@@ -431,7 +430,7 @@
          } catch (Throwable throwable) {
              CrashReport crashreport = CrashReport.a(throwable, "Loading entity NBT");
              CrashReportSystemDetails crashreportsystemdetails = crashreport.a("Entity being loaded");
-@@ -1464,6 +1738,12 @@
+@@ -1464,6 +1737,12 @@
          if (itemstack.isEmpty()) {
              return null;
          } else {
@@ -444,7 +443,7 @@
              EntityItem entityitem = new EntityItem(this.world, this.locX, this.locY + (double) f, this.locZ, itemstack);
  
              entityitem.q();
-@@ -1589,6 +1869,24 @@
+@@ -1589,6 +1868,24 @@
          if (entity.bJ() != this) {
              throw new IllegalStateException("Use x.startRiding(y), not y.addPassenger(x)");
          } else {
@@ -469,7 +468,7 @@
              if (!this.world.isClientSide && entity instanceof EntityHuman && !(this.bE() instanceof EntityHuman)) {
                  this.passengers.add(0, entity);
              } else {
-@@ -1602,6 +1900,22 @@
+@@ -1602,6 +1899,22 @@
          if (entity.bJ() == this) {
              throw new IllegalStateException("Use x.stopRiding(y), not y.removePassenger(x)");
          } else {
@@ -492,7 +491,7 @@
              this.passengers.remove(entity);
              entity.j = 60;
          }
-@@ -1741,14 +2055,49 @@
+@@ -1741,14 +2054,49 @@
      }
  
      public void setAirTicks(int i) {
@@ -545,7 +544,7 @@
          }
  
      }
-@@ -1893,19 +2242,76 @@
+@@ -1893,19 +2241,76 @@
          if (!this.world.isClientSide && !this.dead) {
              this.world.methodProfiler.a("changeDimension");
              MinecraftServer minecraftserver = this.C_();
@@ -625,7 +624,7 @@
              BlockPosition blockposition;
  
              if (i == 1) {
-@@ -1934,12 +2340,18 @@
+@@ -1934,12 +2339,18 @@
                  blockposition = new BlockPosition(this);
              }
  
@@ -645,7 +644,7 @@
                  if (j == 1 && i == 1) {
                      BlockPosition blockposition1 = worldserver1.q(worldserver1.getSpawn());
  
-@@ -1947,6 +2359,7 @@
+@@ -1947,6 +2358,7 @@
                  } else {
                      entity.setPositionRotation(blockposition, entity.yaw, entity.pitch);
                  }
@@ -653,7 +652,7 @@
  
                  boolean flag = entity.attachedToPlayer;
  
-@@ -1954,13 +2367,21 @@
+@@ -1954,13 +2366,21 @@
                  worldserver1.addEntity(entity);
                  entity.attachedToPlayer = flag;
                  worldserver1.entityJoinedWorld(entity, false);
@@ -676,7 +675,7 @@
              return entity;
          } else {
              return null;
-@@ -2064,6 +2485,11 @@
+@@ -2064,6 +2484,11 @@
      }
  
      public void setCustomName(String s) {
@@ -688,7 +687,7 @@
          this.datawatcher.set(Entity.aB, s);
      }
  
-@@ -2121,7 +2547,26 @@
+@@ -2121,7 +2546,26 @@
      }
  
      public void a(AxisAlignedBB axisalignedbb) {
@@ -716,7 +715,7 @@
      }
  
      public float getHeadHeight() {
-@@ -2295,7 +2740,7 @@
+@@ -2295,7 +2739,7 @@
          for (Iterator iterator = this.bF().iterator(); iterator.hasNext(); entity.a(oclass, set)) {
              entity = (Entity) iterator.next();
              if (oclass.isAssignableFrom(entity.getClass())) {