From 472cb8916eea4313c1d6ac9feb5c415db295536f Mon Sep 17 00:00:00 2001
From: Simon Robertshaw <simon@hardwired.org.uk>
Date: Wed, 18 Apr 2012 21:21:32 +0100
Subject: [PATCH] TPT: A small fix for convection. ff8ce0ef3a

---
 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 853a7f021..5101dfb28 100644
--- a/src/simulation/Simulation.cpp
+++ b/src/simulation/Simulation.cpp
@@ -2604,7 +2604,7 @@ void Simulation::update_particles_i(int start, int inc)
 
 			if (!legacy_enable)
 			{
-				 if (y-2 >= 0 && y-2 < YRES && (ptypes[t].properties&TYPE_LIQUID) && gel_scale>(rand()%250)) {//some heat convection for liquids
+				 if (y-2 >= 0 && y-2 < YRES && (ptypes[t].properties&TYPE_LIQUID) && (t!=PT_GEL || gel_scale>(1+rand()%255))) {//some heat convection for liquids
 					r = pmap[y-2][x];
 					if (!(!r || parts[i].type != (r&0xFF))) {
 						if (parts[i].temp>parts[r>>8].temp) {