local S = df_mapitems.S

-- overridden to trigger an achievement, without making achievements a dependency of this mod
df_mapitems.on_veinstone_punched = function()
end

minetest.register_node("df_mapitems:veinstone", {
	description = S("Veinstone"),
	_doc_items_longdesc = df_mapitems.doc.veinstone_desc,
	_doc_items_usagehelp = df_mapitems.doc.veinstone_usage,
	tiles = {df_dependencies.texture_stone .. "^dfcaverns_veins.png"},
	groups = {cracky = 3, stone = 1, lava_heatable = 1, pickaxey=1, building_block=1, material_stone=1},
	_magma_conduits_heats_to = df_dependencies.node_name_cobble,
	is_ground_content = false,
	light_source = 2,
	drop = "df_mapitems:veinstone",
	sounds = df_dependencies.sound_stone(),
	on_punch = function(pos, node, puncher, pointed_thing)
        minetest.node_punch(pos, node, puncher, pointed_thing)
		minetest.swap_node(pos, {name="df_mapitems:veinstone_pulse"})
		minetest.get_node_timer(pos):start(2)
		minetest.sound_play({pos = pos}, {name="dfcaverns_slow_heartbeat", gain=0.5})
		df_mapitems.on_veinstone_punched(pos, node, puncher, pointed_thing)
	end,
	_mcl_blast_resistance = 10,
	_mcl_hardness = 3,
})

minetest.register_node("df_mapitems:veinstone_pulse", {
	description = S("Veinstone"),
	_doc_items_longdesc = df_mapitems.doc.veinstone_desc,
	_doc_items_usagehelp = df_mapitems.doc.veinstone_usage,
	tiles = {df_dependencies.texture_stone .. "^dfcaverns_veins.png"},
	groups = {cracky = 3, stone = 1, lava_heatable = 1, not_in_creative_inventory = 1, pickaxey=1, building_block=1, material_stone=1},
	_magma_conduits_heats_to = df_dependencies.node_name_cobble,
	is_ground_content = false,
	light_source = 8,
	drop = "df_mapitems:veinstone",
	sounds = df_dependencies.sound_stone(),
	on_timer = function(pos, elapsed)
		local positions, count = minetest.find_nodes_in_area(vector.add(pos,1), vector.subtract(pos,1), "df_mapitems:veinstone")
		if count["df_mapitems:veinstone"] == 0 then
			positions, count = minetest.find_nodes_in_area(vector.add(pos,2), vector.subtract(pos,2), "df_mapitems:veinstone")
		end
		if count["df_mapitems:veinstone"] == 0 then
			positions = {[1] = minetest.find_node_near(pos, 3, "df_mapitems:veinstone")}
		end
		if positions[1] == nil then
			positions = {[1] = minetest.find_node_near(pos, 4, "df_mapitems:veinstone")}
		end
		if (positions[1] ~= nil) then
			minetest.sound_play({pos = pos}, {name="dfcaverns_slow_heartbeat", gain=0.5})
		end
		for _, neighbor_pos in pairs(positions) do
			minetest.swap_node(neighbor_pos, {name="df_mapitems:veinstone_pulse"})
			minetest.get_node_timer(neighbor_pos):start(2)
		end
		minetest.swap_node(pos, {name="df_mapitems:veinstone_refractory"})
		minetest.get_node_timer(pos):start(12)
	end,
	_mcl_blast_resistance = 10,
	_mcl_hardness = 3,
})

minetest.register_node("df_mapitems:veinstone_refractory", {
	description = S("Veinstone"),
	_doc_items_longdesc = df_mapitems.doc.veinstone_desc,
	_doc_items_usagehelp = df_mapitems.doc.veinstone_usage,
	tiles = {df_dependencies.texture_stone .. "^dfcaverns_veins.png"},
	groups = {cracky = 3, stone = 1, lava_heatable = 1, not_in_creative_inventory = 1, pickaxey=1, building_block=1, material_stone=1},
	_magma_conduits_heats_to = df_dependencies.node_name_cobble,
	is_ground_content = false,
	light_source = 1,
	drop = "df_mapitems:veinstone",
	sounds = df_dependencies.sound_stone(),
	on_timer = function(pos, elapsed)
		minetest.swap_node(pos, {name="df_mapitems:veinstone"})
	end,
	_mcl_blast_resistance = 10,
	_mcl_hardness = 3,
})