ethereal/dirt.lua

-- Override default Dirt (to stop caves cutting away dirt)
minetest.override_item("default:dirt", {is_ground_content = false})

-- Green Dirt
minetest.register_node("ethereal:green_dirt", {
	description = "Green Dirt",
	tiles = {"default_grass.png", "default_dirt.png", "default_dirt.png^default_grass_side.png"},
	is_ground_content = false,
	groups = {crumbly=3,soil=1,ethereal_grass=1},
	drop = "default:dirt",
	sounds = default.node_sound_dirt_defaults()
})

-- Dry Dirt
minetest.register_node("ethereal:dry_dirt", {
	description = "Dried Dirt",
	tiles = {"ethereal_dry_dirt.png"},
	is_ground_content = false,
	groups = {crumbly=3},
	sounds = default.node_sound_dirt_defaults()
})

minetest.register_craft({
	type = "cooking",
	output = "ethereal:dry_dirt",
	recipe = "default:dirt",
	cooktime = 3,
})

local dirt = {}
dirt.type = {
	{"Bamboo"}, {"Jungle"}, {"Grove"}, {"Prairie"}, {"Cold"}, {"Crystal"}, {"Mushroom"}, {"Fiery"}, {"Gray"},
}

for _, row in ipairs(dirt.type) do

	local desc = row[1]
	local name = desc:lower()

	minetest.register_node("ethereal:"..name.."_dirt", {
		description = desc.." Dirt",
		tiles = {"ethereal_grass_"..name.."_top.png", "default_dirt.png",
				"default_dirt.png^ethereal_grass_"..name.."_side.png"},
		is_ground_content = false,
		groups = {crumbly=3,soil=1,ethereal_grass=1},
		drop = "default:dirt",
		sounds = default.node_sound_dirt_defaults()
	})

end

-- Compatibility with old maps
minetest.register_alias("ethereal:crystal_topped_dirt", "ethereal:crystal_dirt")
minetest.register_alias("ethereal:fiery_dirt_top", "ethereal:fiery_dirt")
minetest.register_alias("ethereal:gray_dirt_top", "ethereal:gray_dirt")
minetest.register_alias("ethereal:green_dirt_top", "ethereal:green_dirt")

-- Check surrounding grass and change dirt to Same colour (by Sokomine)
minetest.register_abm({
	nodenames = {"default:dirt_with_grass"},
	interval = 5,
	chance = 5,
	action = function(pos, node)
		local count_grasses = {}
		local curr_max  = 0
		local curr_type = "ethereal:green_dirt_top"; -- Fallback Colour
		local positions = minetest.find_nodes_in_area( {x=(pos.x-2), y=(pos.y-2), z=(pos.z-2)},
							       {x=(pos.x+2), y=(pos.y+2), z=(pos.z+2)},
								"group:ethereal_grass" )
		for _,p in ipairs(positions) do
			-- count the new grass node
			local n = minetest.get_node( p )
			if( n and n.name ) then
				if( not( count_grasses[ n.name ] )) then
					count_grasses[ n.name ] = 1
				else
					count_grasses[ n.name ] = count_grasses[ n.name ] + 1
				end
				-- we found a grass type of which there"s more than the current max
				if( count_grasses[ n.name ] > curr_max ) then
					curr_max  = count_grasses[ n.name ]
					curr_type = n.name
				end
			end
		end
		minetest.set_node(pos, {name = curr_type })
        end
})

-- If Grass devoid of light, change to Dirt
minetest.register_abm({
	nodenames = {"group:ethereal_grass"},
	interval = 5,
	chance = 20,
	action = function(pos, node)
		local name = minetest.get_node({x=pos.x, y=pos.y+1, z=pos.z}).name
		local nodedef = minetest.registered_nodes[name]
		if name ~= "ignore" and nodedef
				and not ((nodedef.sunlight_propagates or nodedef.paramtype == "light")
				and nodedef.liquidtype == "none") then
			minetest.set_node(pos, {name = "default:dirt"})
		end
	end
})

-- If Baked Clay mod not active, make Red and Orange nodes
if not minetest.get_modpath("bakedclay") then

	minetest.register_node(":bakedclay:red", {
		description = "Red Baked Clay",
		tiles = {"baked_clay_red.png"},
		groups = {cracky=3},
		is_ground_content = false,
		sounds = default.node_sound_stone_defaults(),
	})
	
	stairs.register_stair_and_slab("bakedclay_red", "bakedclay:red",
		{cracky=3, not_in_craft_guide=1},
		{"baked_clay_red.png"},
		"Baked Clay Red Stair",
		"Baked Clay Red Slab",
		default.node_sound_stone_defaults())

	minetest.register_node(":bakedclay:orange", {
		description = "Orange Baked Clay",
		tiles = {"baked_clay_orange.png"},
		groups = {cracky=3},
		is_ground_content = false,
		sounds = default.node_sound_stone_defaults(),
	})
	
	stairs.register_stair_and_slab("bakedclay_orange", "bakedclay:orange",
		{cracky=3, not_in_craft_guide=1},
		{"baked_clay_orange.png"},
		"Baked Clay Orange Stair",
		"Baked Clay Orange Slab",
		default.node_sound_stone_defaults())

end