if df_dependencies.node_name_fireflies then
	df_caverns.node_id.fireflies = minetest.get_content_id(df_dependencies.node_name_fireflies)
end

df_caverns.node_id.cobble = minetest.get_content_id(df_dependencies.node_name_cobble)
df_caverns.node_id.desert_sand = minetest.get_content_id(df_dependencies.node_name_desert_sand)
df_caverns.node_id.dirt = minetest.get_content_id(df_dependencies.node_name_dirt)
df_caverns.node_id.gravel = minetest.get_content_id(df_dependencies.node_name_gravel)
df_caverns.node_id.ice = minetest.get_content_id(df_dependencies.node_name_ice)
df_caverns.node_id.lava = minetest.get_content_id(df_dependencies.node_name_lava_source)
df_caverns.node_id.meseore = minetest.get_content_id(df_dependencies.node_name_stone_with_mese)
df_caverns.node_id.mossycobble = minetest.get_content_id(df_dependencies.node_name_mossycobble)
df_caverns.node_id.obsidian = minetest.get_content_id(df_dependencies.node_name_obsidian)
df_caverns.node_id.sand = minetest.get_content_id(df_dependencies.node_name_sand)
df_caverns.node_id.silver_sand = minetest.get_content_id(df_dependencies.node_name_silver_sand)
df_caverns.node_id.snow = minetest.get_content_id(df_dependencies.node_name_snow)
df_caverns.node_id.stone = minetest.get_content_id(df_dependencies.node_name_stone)
df_caverns.node_id.stone_with_coal = minetest.get_content_id(df_dependencies.node_name_stone_with_coal)
df_caverns.node_id.water = minetest.get_content_id(df_dependencies.node_name_water_source)