tweak soil types to work better with older 0.4.x clients

soil.lua

@@ -1,6 +1,11 @@
 
 local S = farming.intllib
 
+
+-- default dry soil node
+local dry_soil = "farming:soil"
+
+
 -- add soil types to existing dirt blocks
 minetest.override_item("default:dirt", {
 	soil = {
@@ -34,29 +39,71 @@ minetest.override_item("default:dirt_with_rainforest_litter", {
 	}
 })
 
-minetest.override_item("default:dirt_with_coniferous_litter", {
+if minetest.registered_nodes["default:dirt_with_coniferous_litter"] then
+
+	minetest.override_item("default:dirt_with_coniferous_litter", {
 		soil = {
 			base = "default:dirt_with_coniferous_litter",
 			dry = "farming:soil",
 			wet = "farming:soil_wet"
 		}
-})
+	})
+end
 
-minetest.override_item("default:dry_dirt", {
+
+-- savanna soil
+if minetest.registered_nodes["default:dry_dirt"] then
+
+	minetest.override_item("default:dry_dirt", {
 		soil = {
 			base = "default:dry_dirt",
 			dry = "farming:dry_soil",
 			wet = "farming:dry_soil_wet"
 		}
-})
+	})
 
-minetest.override_item("default:dry_dirt_with_dry_grass", {
+	minetest.override_item("default:dry_dirt_with_dry_grass", {
 		soil = {
 			base = "default:dry_dirt_with_dry_grass",
 			dry = "farming:dry_soil",
 			wet = "farming:dry_soil_wet"
 		}
-})
+	})
+
+	minetest.register_node("farming:dry_soil", {
+		description = S("Savanna Soil"),
+		tiles = {
+			"default_dry_dirt.png^farming_soil.png",
+			"default_dry_dirt.png"
+		},
+		drop = "default:dry_dirt",
+		groups = {crumbly = 3, not_in_creative_inventory = 1, soil = 2, field = 1},
+		sounds = default.node_sound_dirt_defaults(),
+		soil = {
+			base = "default:dry_dirt",
+			dry = "farming:dry_soil",
+			wet = "farming:dry_soil_wet"
+		}
+	})
+
+	minetest.register_node("farming:dry_soil_wet", {
+		description = S("Wet Savanna Soil"),
+		tiles = {
+			"default_dry_dirt.png^farming_soil_wet.png",
+			"default_dry_dirt.png^farming_soil_wet_side.png"
+		},
+		drop = "default:dry_dirt",
+		groups = {crumbly = 3, not_in_creative_inventory = 1, soil = 3, field = 1},
+		sounds = default.node_sound_dirt_defaults(),
+		soil = {
+			base = "default:dry_dirt",
+			dry = "farming:dry_soil",
+			wet = "farming:dry_soil_wet"
+		}
+	})
+
+	dry_soil = "farming:dry_soil"
+end
 
 -- normal soil
 minetest.register_node("farming:soil", {
@@ -77,7 +124,8 @@ minetest.register_node("farming:soil_wet", {
 	description = S("Wet Soil"),
 	tiles = {
 		"default_dirt.png^farming_soil_wet.png",
-		"default_dirt.png^farming_soil_wet_side.png"},
+		"default_dirt.png^farming_soil_wet_side.png"
+	},
 	drop = "default:dirt",
 	groups = {crumbly = 3, not_in_creative_inventory = 1, soil = 3, field = 1},
 	sounds = default.node_sound_dirt_defaults(),
@@ -88,42 +136,11 @@ minetest.register_node("farming:soil_wet", {
 	}
 })
 
--- savanna soil
-if minetest.registered_nodes["default:dry_dirt"] then
-minetest.register_node("farming:dry_soil", {
-	description = S("Savanna Soil"),
-	tiles = {
-		"default_dry_dirt.png^farming_soil.png",
-		"default_dry_dirt.png"},
-	drop = "default:dry_dirt",
-	groups = {crumbly = 3, not_in_creative_inventory = 1, soil = 2, field = 1},
-	sounds = default.node_sound_dirt_defaults(),
-	soil = {
-		base = "default:dry_dirt",
-		dry = "farming:dry_soil",
-		wet = "farming:dry_soil_wet"
-	}
-})
-
-minetest.register_node("farming:dry_soil_wet", {
-	description = S("Wet Savanna Soil"),
-	tiles = {
-		"default_dry_dirt.png^farming_soil_wet.png",
-		"default_dry_dirt.png^farming_soil_wet_side.png"},
-	drop = "default:dry_dirt",
-	groups = {crumbly = 3, not_in_creative_inventory = 1, soil = 3, field = 1},
-	sounds = default.node_sound_dirt_defaults(),
-	soil = {
-		base = "default:dry_dirt",
-		dry = "farming:dry_soil",
-		wet = "farming:dry_soil_wet"
-	}
-})
-end
 
 -- sand is not soil, change existing sand-soil to use dry soil
-minetest.register_alias("farming:desert_sand_soil", "farming:dry_soil")
+minetest.register_alias("farming:desert_sand_soil", dry_soil)
-minetest.register_alias("farming:desert_sand_soil_wet", "farming:dry_soil_wet")
+minetest.register_alias("farming:desert_sand_soil_wet", dry_soil .. "_wet")
+
 
 -- if water near soil then change to wet soil
 minetest.register_abm({