added light_stat for recalculation of grow time depend on local light

config.lua

@@ -53,3 +53,6 @@ end
 -- register for crops, which are spreading by abm
 farming.spreading_crops = {}
 
+farming.light_stat = farming.import_csv(farming.path.."/light_stat.txt",{
+	col_num={"day_start","amount","name"}})
+print(dump(farming.light_stat))

init.lua

@@ -13,8 +13,8 @@ minetest.log("action", "[MOD]"..minetest.get_current_modname().." -- start loadi
 -- Load files
 
 
-dofile(farming.path .. "/config.lua")
 dofile(farming.path .. "/functions.lua")
+dofile(farming.path .. "/config.lua")
 
 dofile(farming.path .. "/api.lua")
 dofile(farming.path .. "/register.lua")
@@ -46,7 +46,31 @@ minetest.register_lbm({
 			minetest.get_node_timer(pos):start(math.random(farming.wait_min,farming.wait_max))
 	end,
 })
-
+--[[
+minetest.register_abm({
+	nodenames="air",
+	intervall=1,
+	change=1000,
+	action = function(pos)
+		print(dump(farming.calc_light(pos,{light_min=15})))
+		end
+		})
+]]
+--[[
+light_min	day_start	amount
+4			51			988
+5			53			978
+6			54			972
+7			55			965
+8			56			957
+9			57			948
+10			57			948
+11			58			937
+12			59			925
+13			60			912
+14			63			870
+]]
+		
 minetest.register_abm({
 	label="crops getting ill",
 	nodenames="group:infectable",
@@ -54,7 +78,6 @@ minetest.register_abm({
 	change=5,
 	action = function(pos)
 		local node=minetest.get_node(pos)
---		print(dump(node))
 		if node.name == "air" or node.name == "ignore" then
 			return
 		end
@@ -97,9 +120,7 @@ minetest.register_abm({
 		-- first check if any crops are nearby, because the counting
 		-- of nearby crops is time consuming
 		if minetest.find_node_near(pos,4,"group:farming") ~= nil then
-			local pos0 = vector.subtract(pos,4)
-			local pos1 = vector.add(pos,4)
-			if #minetest.find_nodes_in_area(pos0,pos1,"group:farming") > 2 then
+			if #minetest.find_nodes_in_area(vector.subtract(pos,4),vector.add(pos,4),"group:farming") > 2 then
 				return
 			end
 		end

light_stat.txt

@@ -0,0 +1,12 @@
+name,day_start,amount
+4,51,988
+5,53,978
+6,54,972
+7,55,965
+8,56,957
+9,57,948
+10,57,948
+11,58,937
+12,59,925
+13,60,912
+14,63,870

register.lua

@@ -1017,6 +1017,23 @@ farming.billhook_on_use = function(itemstack, user, pointed_thing, uses)
 	return itemstack
 end
 
+farming.calc_light=function(pos,pdef)
+	-- calculating 
+	print(dump(pos))
+	local outdata={day_start=99999,
+			light_amount=0,
+			}
+	for i=50,120 do
+		if minetest.get_node_light(pos,(i)/240)>pdef.light_min then
+			outdata.light_amount=outdata.light_amount+minetest.get_node_light(pos,i/240)
+			outdata.day_start=math.min(outdata.day_start,i)
+		end
+	end
+	if outdata.day_start > 240 then
+		outdata.day_start=120
+	end
+	return outdata
+end
 farming.set_node_metadata=function(pos)
 	local base_rate = 5
 	local node = minetest.get_node(pos)
@@ -1042,21 +1059,10 @@ farming.set_node_metadata=function(pos)
 	ill_rate = math.ceil((ill_rate + ill_temp + ill_hum)/infect_rate)
 	local meta = minetest.get_meta(pos)
 	meta:set_int("farming:weakness",ill_rate)
-
-	-- calculating 
-	local day_start=99999
-	local light_amount=0
-	for i=50,120 do
-		if minetest.get_node_light(pos,(i)/240)>pdef.light_min then
-			light_amount=light_amount+minetest.get_node_light(pos,i/240)
-			day_start=math.min(day_start,i)
-		end
-	end
-	if day_start > 240 then
-		day_start=120
-	end
+	
+	local lightcalc=farming.calc_light(pos,pdef)
 	-- daytime, when light reach light_min
-	meta:set_float("farming:daystart",day_start/240)
+	meta:set_float("farming:daystart",lightcalc.day_start/240)
 	-- amount of light the crop gets till midday
-	meta:set_int("farming:lightamount",light_amount)
+	meta:set_int("farming:lightamount",lightcalc.light_amount)
 end