From 2e1780ce4e223b1fb78e8537f80d0eef73ef7864 Mon Sep 17 00:00:00 2001
From: Simon Robertshaw <simon@hardwired.org.uk>
Date: Tue, 12 Jun 2012 19:59:19 +0100
Subject: [PATCH] TPT: VOID & PVOD can be set to only eat/not eat certain
 things

---
 src/simulation/Simulation.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/simulation/Simulation.cpp b/src/simulation/Simulation.cpp
index a195738eb..00f10d569 100644
--- a/src/simulation/Simulation.cpp
+++ b/src/simulation/Simulation.cpp
@@ -1978,7 +1978,8 @@ int Simulation::try_move(int i, int x, int y, int nx, int ny)
 	}
 	if ((r&0xFF)==PT_VOID || (r&0xFF)==PT_PVOD) //this is where void eats particles
 	{
-		kill_part(i);
+		if(!parts[r>>8].ctype || (parts[r>>8].ctype==parts[i].type)!=(parts[r>>8].tmp&1))
+			kill_part(i);
 		return 0;
 	}
 	if ((r&0xFF)==PT_BHOL || (r&0xFF)==PT_NBHL) //this is where blackhole eats particles