From fae101b1df75395e8772aac27da190e6a69d5d8b Mon Sep 17 00:00:00 2001
From: Felix Wallin <nibbler.v1@gmail.com>
Date: Tue, 14 Dec 2010 21:43:28 +0100
Subject: we obviously need the particle index


diff --git a/includes/powder.h b/includes/powder.h
index 1fb7b45..711d9ef 100644
--- a/includes/powder.h
+++ b/includes/powder.h
@@ -212,7 +212,7 @@ struct particle
     float pavg[2];
     int flags;
     int tmp;
-    void (*update_func) ();
+    void (*update_func) (int);
 };
 typedef struct particle particle;
 
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