From 0f5eff918777996ff23e9ebff17ae67d91d2f54a Mon Sep 17 00:00:00 2001
From: planetmaker <planetmaker@openttd.org>
Date: Tue, 19 Jul 2011 16:52:30 +0000
Subject: [PATCH] (svn r22673) -Add #4690: Provide random bits in var 0x10 for
 callback 0x3B in all cases (Hirundo)

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

diff --git a/src/industry_cmd.cpp b/src/industry_cmd.cpp
index f01241a054..ed9d2bfbc9 100644
--- a/src/industry_cmd.cpp
+++ b/src/industry_cmd.cpp
@@ -1091,7 +1091,7 @@ static void ProduceIndustryGoods(Industry *i)
 		if ((indbehav & INDUSTRYBEH_CUT_TREES) != 0) {
 			bool cut = ((i->counter % INDUSTRY_CUT_TREE_TICKS) == 0);
 			if (HasBit(indsp->callback_mask, CBM_IND_SPECIAL_EFFECT)) {
-				cut = (GetIndustryCallback(CBID_INDUSTRY_SPECIAL_EFFECT, 0, 1, i, i->type, i->location.tile) != 0);
+				cut = (GetIndustryCallback(CBID_INDUSTRY_SPECIAL_EFFECT, Random(), 1, i, i->type, i->location.tile) != 0);
 			}
 
 			if (cut) ChopLumberMillTrees(i);