From 7859cc839c6ee33e5a4bc6946f3995dea2282413 Mon Sep 17 00:00:00 2001
From: Simon Robertshaw <simon@hardwired.org.uk>
Date: Wed, 25 Jul 2012 17:45:30 +0100
Subject: [PATCH] TPT: Prevent STKM floating in gases 31a61d0888

---
 src/simulation/Simulation.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/simulation/Simulation.cpp b/src/simulation/Simulation.cpp
index 9117fd003..d59d94044 100644
--- a/src/simulation/Simulation.cpp
+++ b/src/simulation/Simulation.cpp
@@ -1850,7 +1850,7 @@ void Simulation::init_can_move()
 		//spark shouldn't move
 		can_move[PT_SPRK][t] = 0;
 		stkm_move = 0;
-		if (elements[t].Properties&TYPE_LIQUID)
+		if (elements[t].Properties & (TYPE_LIQUID | TYPE_GAS))
 			stkm_move = 2;
 		if (!t || t==PT_PRTO || t==PT_SPAWN || t==PT_SPAWN2)
 			stkm_move = 2;