-- Nodes

minetest.register_node("asteroid:stone", {
    description = "Asteroid Stone",
    tiles = {"asteroid_stone.png"},
    groups = {cracky=3},
    light_source = 5,
    drop = "asteroid:cobble",
    sounds = default.node_sound_stone_defaults(),
})

minetest.register_node("asteroid:cobble", {
    description = "Asteroid Cobble",
    tiles = {"asteroid_cobble.png"},
    groups = {cracky=3},
    sounds = default.node_sound_stone_defaults(),
})

minetest.register_node("asteroid:gravel", {
    description = "Asteroid Gravel",
    tiles = {"default_gravel.png"},
    groups = {crumbly=2, not_in_creative_inventory=1},
    drop = "default:gravel",
    sounds = default.node_sound_dirt_defaults({
        footstep = {name="default_gravel_footstep", gain=0.2},
    }),
})

minetest.register_node("asteroid:dust", {
    description = "Asteroid Dust",
    light_source = 7,
    tiles = {"asteroid_dust.png"},
    groups = {crumbly=3},
    sounds = default.node_sound_dirt_defaults({
        footstep = {name="default_gravel_footstep", gain=0.1},
    }),
})

minetest.register_node("asteroid:ironore", {
    description = "Asteroid Iron Ore",
    tiles = {"asteroid_stone.png^default_mineral_iron.png"},
    groups = {cracky=2, not_in_creative_inventory=1},
    drop = "default:iron_lump",
    sounds = default.node_sound_stone_defaults(),
})

minetest.register_node("asteroid:copperore", {
    description = "Asteroid Copper Ore",
    tiles = {"asteroid_stone.png^default_mineral_copper.png"},
    groups = {cracky=2, not_in_creative_inventory=1},
    drop = "default:copper_lump",
    sounds = default.node_sound_stone_defaults(),
})

minetest.register_node("asteroid:atmos", {
    description = "Asteroid Atmosphere",
    drawtype = "glasslike",
    tiles = {"asteroid_atmos.png"},
    alpha = 0, -- disable this line for opaque atmosphere and higher FPS
    paramtype = "light",
    light_source = 5,
    sunlight_propagates = true,
    walkable = false,
    pointable = false,
    diggable = false,
    buildable_to = true,
    post_effect_color = {a=23, r=241, g=248, b=255},
    groups = {not_in_creative_inventory=1},
--  drowning = 1,
})

minetest.register_node("asteroid:stonebrick", {
    description = "Asteriod Stone Brick",
    tiles = {"asteroid_stonebricktop.png", "asteroid_stonebrickbot.png", "asteroid_stonebrick.png"},
    groups = {cracky=3},
    sounds = default.node_sound_stone_defaults(),
})

minetest.register_node("asteroid:meteorite_chunks_ore", {
    description = "Meteorite Chunks (Ore)",
    tiles = {"asteroid_stone.png^asteroid_meteorite_chunks.png"},
    groups = {cracky=3},
    drop = "asteroid:meteorite_chunk",
    sounds = default.node_sound_stone_defaults(),
})

minetest.register_node("asteroid:meteorite_chunk", {
    description = "Meteorite Chunk",
    tiles = {"asteroid_stone.png^asteroid_meteorite_chunks.png"},
    groups = {cracky=3},
    drop = "asteroid:meteorite_chunk",
    sounds = default.node_sound_stone_defaults(),
})

minetest.register_node("asteroid:meteorite_block", {
    description = "Meteorite Block",
    tiles = {"asteroid_meteorite_block.png"},
    groups = {cracky=3},
    sounds = default.node_sound_stone_defaults(),
})

stairs.register_stair_and_slab("asteroid_stone", "asteroid:stone",
    {cracky=3},
    {"asteroid_stone.png"},
    "Asteroid Stone Stair",
    "Asteroid Stone Slab",
    default.node_sound_stone_defaults()
)

stairs.register_stair_and_slab("asteroid_stonebrick", "asteroid:stonebrick",
    {cracky=3},
    {"asteroid_stonebricktop.png", "asteroid_stonebrickbot.png", "asteroid_stonebrick.png"},
    "Asteroid Stone Brick Stair",
    "Asteroid Stone Brick Slab",
    default.node_sound_stone_defaults()
)

-- Crafting

minetest.register_craft({
    type = "cooking",
    output = "asteroid:stone",
    recipe = "asteroid:cobble",
})

minetest.register_craft({
    output = "asteroid:stonebrick 4",
    recipe = {
        {"asteroid:stone", "asteroid:stone"},
        {"asteroid:stone", "asteroid:stone"},
    }
})

minetest.register_alias ("asteroid:snowblock" , "default:snowblock" )
minetest.register_alias ("asteroid:waterice"  , "default:ice"       )