tweak crop growth, add df_farming crops

depends.txt

@@ -10,3 +10,4 @@ dye?
 ferns?
 dryplants?
 df_trees?
+df_farming?

init.lua

@@ -218,12 +218,25 @@ local function check_crops(pos, nodename, strength)
 			crop = nodename:split(":")[2]
 
 			-- get stage number or set to 0 for seed
-			stage = tonumber( crop:split("_")[2] ) or 0
+			if crop:split("_")[3] then
+				stage = crop:split("_")[3]
+			else
+				stage = crop:split("_")[2]
+			end
+
+			stage = tonumber(stage) or 0
+
 			stage = min(stage + strength, crops[n][2])
 
 			-- check for place_param setting
 			nod = crops[n][1] .. stage
 			def = minetest.registered_nodes[nod]
+
+			-- make sure crop exists or isn't fully grown already
+			if not def or nod == nodename then
+				return false
+			end
+
 			def = def and def.place_param2 or 0
 
 			minetest.set_node(pos, {name = nod, param2 = def})

mod.conf

@@ -1,4 +1,4 @@
 name = bonemeal
 depends = default
-optional_depends = intllib, lucky_block, farming, ethereal, moretrees, technic_worldgen, flowers, dye, ferns, dryplants, df_trees
+optional_depends = intllib, lucky_block, farming, ethereal, moretrees, technic_worldgen, flowers, dye, ferns, dryplants, df_trees, df_farming
 description = Adds bone and bonemeal giving the ability to quickly grow plants and saplings.

mods.lua

@@ -208,3 +208,16 @@ if minetest.get_modpath("df_trees") then
 		{"df_trees:tunnel_tube_sapling", df_trees.spawn_tunnel_tube, "soil"}
 	})
 end
+
+
+if minetest.get_modpath("df_farming") then
+
+	bonemeal:add_crop({
+		{"df_farming:cave_wheat_", 8, "df_farming:cave_wheat_seed"},
+		{"df_farming:dimple_cup_", 4, "df_farming:dimple_cup_seed"},
+		{"df_farming:pig_tail_", 8, "df_farming:pig_tail_seed"},
+		{"df_farming:plump_helmet_", 4, "df_farming:plump_helmet_spawn"},
+		{"df_farming:quarry_bush_", 5, "df_farming:quarry_bush_seed"},
+		{"df_farming:sweet_pod_", 6, "df_farming:sweet_pod_seed"}
+	})
+end