# HG changeset patch
# User belugas <belugas@openttd.org>
# Date 1170429268 0
# Node ID 2dad04441abfe83540bf3f9ab47c8f32e4faaba9
# Parent  ec5a48f5ac640543057165710f18920af37c9423
(svn r8535) -Feature: Allow lumbermill to cut trees only when they are full grown.
This does not affect output of the mill, but make the visual aspect of it more accurate.
Prior of this, the mill produced cargo of the same amount even if the trees are on their first stages of growth.

diff --git a/src/industry_cmd.cpp b/src/industry_cmd.cpp
--- a/src/industry_cmd.cpp
+++ b/src/industry_cmd.cpp
@@ -25,6 +25,7 @@
 #include "genworld.h"
 #include "date.h"
 #include "water_map.h"
+#include "tree_map.h"
 
 void ShowIndustryViewWindow(int industry);
 void BuildOilRig(TileIndex tile);
@@ -865,7 +866,7 @@
  */
 static bool SearchLumberMillTrees(TileIndex tile, uint32 data)
 {
-	if (IsTileType(tile, MP_TREES)) {
+	if (IsTileType(tile, MP_TREES) && GetTreeGrowth(tile) > 2) { ///< 3 and up means all fully grown trees
 		PlayerID old_player = _current_player;
 		/* found a tree */
 
@@ -875,7 +876,6 @@
 		SndPlayTileFx(SND_38_CHAINSAW, tile);
 
 		DoCommand(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR);
-		SetTropicZone(tile, TROPICZONE_INVALID);
 
 		_current_player = old_player;
 		return true;