Convert the modpack into a standalone game for the Minetest engine

Integrated into the game is most of minetest_game as the stable base

mods/farming/soil.lua

@@ -0,0 +1,176 @@
+
+local S = farming.intllib
+
+-- add soil types to existing dirt blocks
+minetest.override_item("default:dirt", {
+	soil = {
+		base = "default:dirt",
+		dry = "farming:soil",
+		wet = "farming:soil_wet"
+	}
+})
+
+minetest.override_item("default:dirt_with_grass", {
+	soil = {
+		base = "default:dirt_with_grass",
+		dry = "farming:soil",
+		wet = "farming:soil_wet"
+	}
+})
+
+minetest.override_item("default:dirt_with_dry_grass", {
+	soil = {
+		base = "default:dirt_with_dry_grass",
+		dry = "farming:soil",
+		wet = "farming:soil_wet"
+	}
+})
+
+minetest.override_item("default:dirt_with_rainforest_litter", {
+	soil = {
+		base = "default:dirt_with_rainforest_litter",
+		dry = "farming:soil",
+		wet = "farming:soil_wet"
+	}
+})
+
+minetest.override_item("default:dirt_with_coniferous_litter", {
+	soil = {
+		base = "default:dirt_with_coniferous_litter",
+		dry = "farming:soil",
+		wet = "farming:soil_wet"
+	}
+})
+
+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", {
+	soil = {
+		base = "default:dry_dirt_with_dry_grass",
+		dry = "farming:dry_soil",
+		wet = "farming:dry_soil_wet"
+	}
+})
+
+-- normal soil
+minetest.register_node("farming:soil", {
+	description = S("Soil"),
+	tiles = {"default_dirt.png^farming_soil.png", "default_dirt.png"},
+	drop = "default:dirt",
+	groups = {crumbly = 3, not_in_creative_inventory = 1, soil = 2, field = 1},
+	sounds = default.node_sound_dirt_defaults(),
+	soil = {
+		base = "default:dirt",
+		dry = "farming:soil",
+		wet = "farming:soil_wet"
+	}
+})
+
+-- wet soil
+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"},
+	drop = "default:dirt",
+	groups = {crumbly = 3, not_in_creative_inventory = 1, soil = 3, field = 1},
+	sounds = default.node_sound_dirt_defaults(),
+	soil = {
+		base = "default:dirt",
+		dry = "farming:soil",
+		wet = "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_wet", "farming:dry_soil_wet")
+
+-- if water near soil then change to wet soil
+minetest.register_abm({
+	nodenames = {"group:field"},
+	interval = 15,
+	chance = 4,
+	catch_up = false,
+
+	action = function(pos, node)
+
+		local ndef = minetest.registered_nodes[node.name]
+		if not ndef or not ndef.soil or not ndef.soil.wet
+		or not ndef.soil.base or not ndef.soil.dry then return end
+
+		pos.y = pos.y + 1
+		local nn = minetest.get_node_or_nil(pos)
+		pos.y = pos.y - 1
+
+		if nn then nn = nn.name else return end
+
+		-- what's on top of soil, if solid/not plant change soil to dirt
+		if minetest.registered_nodes[nn]
+		and minetest.registered_nodes[nn].walkable
+		and minetest.get_item_group(nn, "plant") == 0 then
+			minetest.set_node(pos, {name = "default:dirt"})
+			return
+		end
+
+		-- if map around soil not loaded then skip until loaded
+		if minetest.find_node_near(pos, 3, {"ignore"}) then
+			return
+		end
+
+		-- check if water is within 3 nodes horizontally and 1 below
+		if #minetest.find_nodes_in_area(
+				{x = pos.x + 3, y = pos.y - 1, z = pos.z + 3},
+				{x = pos.x - 3, y = pos.y    , z = pos.z - 3},
+				{"group:water"}) > 0 then
+
+			minetest.set_node(pos, {name = ndef.soil.wet})
+
+		elseif node.name == ndef.soil.wet then
+			minetest.set_node(pos, {name = ndef.soil.dry})
+
+		elseif node.name == ndef.soil.dry
+		and minetest.get_item_group(nn, "plant") == 0 then
+			minetest.set_node(pos, {name = ndef.soil.base})
+		end
+	end
+})