artifact.registered_nodes = {}

function artifact.register_node(name, def)
    artifact.registered_nodes[name] = def
    def._name = name
    if not name:find ":" then
        name = "artifact:"..name
    end
    if artifact.debug then
        if not def.groups then def.groups = {} end
        def.groups.dig_immediate = 3
    end
    minetest.register_node(":"..name, def)
    if name ~= def._name then
        minetest.register_alias(def._name, name)
    end
end

function artifact.register_craftitem(name, def)
    def._name = name
    if not name:find ":" then
        name = "artifact:"..name
    end 
    minetest.register_craftitem(":"..name, def)
    if name ~= def._name then
        minetest.register_alias(def._name, name)
    end
end

local function rep(tx, size)
    local out = "[combine:"..(size *16).."x"..(size *16)
    for x = 0, size -1 do
        for y = 0, size -1 do
            out = out..":"..(x *16)..","..(y *16).."="..tx
        end
    end
    return out
end

artifact.register_node("stone", {
    tiles = {"artifact_stone.png"}
})

artifact.register_node("stone_bricks", {
    tiles = {"artifact_stone_bricks.png"}
})

artifact.register_node("stone_bricks_small", {
    tiles = {"artifact_stone_bricks_small.png"}
})

artifact.register_node("stone_tile", {
    tiles = {"artifact_stone_tile.png"}
})

artifact.register_node("stone_tile_small", {
    tiles = {"artifact_stone_tile_small.png"}
})


artifact.register_node("vines", {
    drawtype = "nodebox",
    node_box = {
        type = "fixed",
        fixed = {
            -0.5, -0.5, 0.48,
             0.5,  0.5, 0.48
        }
    },
    walkable = false,
    selection_box = {
        type = "fixed",
        fixed = {
            -0.5, -0.5, 0.5,
             0.5,  0.5, 0.45
        }
    },
    paramtype = "light",
    paramtype2 = "facedir",
    tiles = {"artifact_vines.png"},
    use_texture_alpha = true
})

artifact.register_node("leaves", {
    drawtype = "allfaces",
--    paramtype = "light",
    tiles = {"artifact_leaves.png"},
    use_texture_alpha = true
})


artifact.register_node("wood_planks", {
    tiles = {"artifact_wood_planks.png"}
})

artifact.register_node("ladder_wood", {
    drawtype = "mesh",
    mesh = "artifact_ladder.obj",
    paramtype = "light",
    paramtype2 = "facedir",
    tiles = {"artifact_ladder_wood.png"},
    walkable = false,
    climbable = true
})



artifact.register_node("lamp_gold", {
    drawtype = "mesh",
    mesh = "artifact_lamp.obj",
    tiles = {"artifact_lamp_gold.png"},
    light_source = 8,
    paramtype = "light",
    sunlight_propagates = true
})

artifact.register_node("lamp_red", {
    drawtype = "mesh",
    mesh = "artifact_lamp.obj",
    tiles = {"artifact_lamp_red.png"},
    light_source = 6,
    paramtype = "light",
    sunlight_propagates = true
})

artifact.register_node("lamp_blue", {
    drawtype = "mesh",
    mesh = "artifact_lamp.obj",
    tiles = {"artifact_lamp_blue.png"},
    light_source = 10,
    paramtype = "light",
    sunlight_propagates = true
})



artifact.register_node("light", {
    tiles = {"artifact_light.png"},
    paramtype = "light",
    light_source = 14
})

minetest.override_item("air", {
    sunlight_propagates = false,
    light_source = 2
})

minetest.register_mapgen_script(minetest.get_modpath(minetest.get_current_modname()).."/mapgen.lua")

minetest.register_decoration {
    deco_type = "simple",
    decoration = "lamp_gold",
    place_on = "stone",
    fill_ratio = 0.02,
}