Fix rubber tree

mapgen.lua

@@ -14,45 +14,13 @@
 -- You should have received a copy of the GNU General Public License
 -- along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-local definition={	
-	name="industrialtest:rubber_tree",
-	deco_type="schematic",
-	sidelen=16,
-	noise_params={
-		offset=0.024,
-		scale=0.015,
-		spread={x=250,y=250,z=250},
-		seed=2,
-		octaves=3,
-		persist=0.66
-	},
-	schematic={
-		size=vector.new(1,1,1),
-		data={
-			{
-				name="industrialtest:rubber_sapling",
-				param2=1
-			}
-		}
-	},
-	flags="place_center_x, place_center_z"
-}
-if industrialtest.mtgAvailable then
-	definition.place_on={"default:dirt_with_grass"}
-	definition.biomes={"deciduous_forest"}
-	definition.y_max=31000
-	definition.y_min=1
-end
-minetest.register_decoration(definition)
-minetest.register_lbm({
-	label="Make rubber trees",
-	name="industrialtest:make_rubber_trees",
-	nodenames={"industrialtest:rubber_sapling"},
-	run_at_every_load=false,
-	action=function(pos)
-		local node=minetest.get_node(pos)
-		if node.param2==1 then
-			industrialtest.makeRubberTree(pos)
-		end
+minetest.register_on_generated(function(minp,maxp,seed)
+	if industrialtest.random:next(1,100)>40 then
+		return
 	end
-})
+	local center=vector.new((maxp.x-minp.x)/2+ minp.x,(maxp.y-minp.y)/2+minp.y,(maxp.z-minp.z)/2+minp.z)
+	local pos=minetest.find_node_near(center,maxp.x-minp.x,{"default:dirt_with_grass"})
+	if pos then
+		industrialtest.makeRubberTree(pos)
+	end
+end)