From 7fb3c7343f00da1aaceb947902e58d49ed8330e8 Mon Sep 17 00:00:00 2001
From: "Dylan K. Taylor" <odigiman@gmail.com>
Date: Thu, 9 Mar 2017 21:01:10 +0000
Subject: [PATCH] Fit attribute value to range when applying slowness, close
 #410 According to http://minecraft.gamepedia.com/Status_effect#Slowness,
 anything higher than slowness 7 will cause the player to be unable to move.
 Therefore this value should be clamped to a minimum of 0, not crash.

---
 src/pocketmine/entity/Effect.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pocketmine/entity/Effect.php b/src/pocketmine/entity/Effect.php
index 9837894e0..9327c2042 100644
--- a/src/pocketmine/entity/Effect.php
+++ b/src/pocketmine/entity/Effect.php
@@ -293,7 +293,7 @@ class Effect{
 				$speed = $attr->getValue();
 			}
 			$speed *= (1 - 0.15 * $this->amplifier);
-			$attr->setValue($speed);
+			$attr->setValue($speed, true);
 		}
 	}