ocd3/diff/mychisel.diff/chisel.lua

local USES = 200
local mode = {}

local function parti(pos)
  	minetest.add_particlespawner(25, 0.3,
		pos, pos,
		{x=2, y=0.2, z=2}, {x=-2, y=2, z=-2},
		{x=0, y=-6, z=0}, {x=0, y=-10, z=0},
		0.2, 1,
		0.2, 2,
		true, "mychisel_parti.png")
end

	mode = "1"

minetest.register_tool( "mychisel:chisel",{
	description = "Chisel",
	inventory_image = "mychisel_chisel.png",
	wield_image = "mychisel_chisel.png",

	on_use = function(itemstack, user, pointed_thing)

		if pointed_thing.type ~= "node" then
			return
		end

		local pos = pointed_thing.under
		local node = minetest.get_node(pos)

		local default_material = {
			{"default:cobble", "default_cobble", "Cobble"},
			{"default:sandstone","default_sandstone", "Sandstone"},
			{"default:clay","default_clay",  "Clay"},
			{"default:coalblock","default_coal_block",  "Coal Block"},
			{"default:stone","default_stone", "Stone"},
			{"default:desert_stone","default_desert_stone", "Desert Stone"},
			{"default:wood","default_wood", "Wood"},
			{"default:acacia_wood","default_acacia_wood", "Acacia Wood"},
			{"default:aspen_wood","default_aspen_wood", "Aspen Wood"},
			{"default:pine_wood","default_pine_wood", "Pine Wood"},
			{"default:desert_cobble","default_desert_cobble", "Desert Cobble"},
			{"default:junglewood","default_junglewood", "Jungle Wood"},
			{"default:sandstonebrick","default_sandstone_brick", "Sandstone Brick"},
			{"default:stonebrick","default_stone_brick", "Stone Brick"},
			{"default:desert_stonebrick","default_desert_stone_brick", "Desert Stone Brick"},
			}

		for i in ipairs (default_material) do
		local item = default_material [i][1]
		local mat = default_material [i][2]
		local desc = default_material [i][3]

		if pointed_thing.type ~= "node" then
			return
		end

		if minetest.is_protected(pos, user:get_player_name()) then
			minetest.record_protection_violation(pos, user:get_player_name())
			return
		end

		if mode == "1" then

			if node.name == item then
				   minetest.set_node(pos,{name = "mychisel:chiseled_"..mat.."1", param2=minetest.dir_to_facedir(user:get_look_dir())})
				   parti(pos)
			end

			if node.name == "mychisel:chiseled_"..mat.."1" then
				   minetest.set_node(pos,{name = "mychisel:chiseled_"..mat.."2", param2=minetest.dir_to_facedir(user:get_look_dir())})
				   parti(pos)
			end

			if node.name == "mychisel:chiseled_"..mat.."2" then
				   minetest.set_node(pos,{name = "mychisel:chiseled_"..mat.."3", param2=minetest.dir_to_facedir(user:get_look_dir())})
				   parti(pos)
			end

			if node.name == "mychisel:chiseled_"..mat.."3" then
				   minetest.set_node(pos,{name = "mychisel:chiseled_"..mat.."4", param2=minetest.dir_to_facedir(user:get_look_dir())})
				   parti(pos)
			end
		end

		if mode == "2" then

			if node.name == item then
				   minetest.set_node(pos,{name = "mychisel:horizontal_"..mat.."1", param2=minetest.dir_to_facedir(user:get_look_dir())})
				   parti(pos)
			end

			if node.name == "mychisel:horizontal_"..mat.."1" then
				   minetest.set_node(pos,{name = "mychisel:horizontal_"..mat.."2", param2=minetest.dir_to_facedir(user:get_look_dir())})
				   parti(pos)
			end

			if node.name == "mychisel:horizontal_"..mat.."2" then
				   minetest.set_node(pos,{name = "mychisel:horizontal_"..mat.."3", param2=minetest.dir_to_facedir(user:get_look_dir())})
				   parti(pos)
			end

			if node.name == "mychisel:horizontal_"..mat.."3" then
				   minetest.set_node(pos,{name = "mychisel:horizontal_"..mat.."4", param2=minetest.dir_to_facedir(user:get_look_dir())})
				   parti(pos)
			end
		end

		if mode == "3" then

			if node.name == item then
				   minetest.set_node(pos,{name = "mychisel:vertical_"..mat.."1", param2=minetest.dir_to_facedir(user:get_look_dir())})
				   parti(pos)
			end

			if node.name == "mychisel:vertical_"..mat.."1" then
				   minetest.set_node(pos,{name = "mychisel:vertical_"..mat.."2", param2=minetest.dir_to_facedir(user:get_look_dir())})
				   parti(pos)
			end

			if node.name == "mychisel:vertical_"..mat.."2" then
				   minetest.set_node(pos,{name = "mychisel:vertical_"..mat.."3", param2=minetest.dir_to_facedir(user:get_look_dir())})
				   parti(pos)
			end

			if node.name == "mychisel:vertical_"..mat.."3" then
				   minetest.set_node(pos,{name = "mychisel:vertical_"..mat.."4", param2=minetest.dir_to_facedir(user:get_look_dir())})
				   parti(pos)
			end
		end

		if mode == "4" then

			if node.name == item then
				   minetest.set_node(pos,{name = "mychisel:cross_"..mat.."1", param2=minetest.dir_to_facedir(user:get_look_dir())})
				   parti(pos)
			end

			if node.name == "mychisel:cross_"..mat.."1" then
				   minetest.set_node(pos,{name = "mychisel:cross_"..mat.."2", param2=minetest.dir_to_facedir(user:get_look_dir())})
				   parti(pos)
			end

			if node.name == "mychisel:cross_"..mat.."2" then
				   minetest.set_node(pos,{name = "mychisel:cross_"..mat.."3", param2=minetest.dir_to_facedir(user:get_look_dir())})
				   parti(pos)
			end

			if node.name == "mychisel:cross_"..mat.."3" then
				   minetest.set_node(pos,{name = "mychisel:cross_"..mat.."4", param2=minetest.dir_to_facedir(user:get_look_dir())})
				   parti(pos)
			end
		end

		if mode == "5" then

			if node.name == item then
				   minetest.set_node(pos,{name = "mychisel:square_"..mat.."1", param2=minetest.dir_to_facedir(user:get_look_dir())})
				   parti(pos)
			end

			if node.name == "mychisel:square_"..mat.."1" then
				   minetest.set_node(pos,{name = "mychisel:square_"..mat.."2", param2=minetest.dir_to_facedir(user:get_look_dir())})
				   parti(pos)
			end

			if node.name == "mychisel:square_"..mat.."2" then
				   minetest.set_node(pos,{name = "mychisel:square_"..mat.."3", param2=minetest.dir_to_facedir(user:get_look_dir())})
				   parti(pos)
			end

			if node.name == "mychisel:square_"..mat.."3" then
				   minetest.set_node(pos,{name = "mychisel:square_"..mat.."4", param2=minetest.dir_to_facedir(user:get_look_dir())})
				   parti(pos)
			end
		end

		if mode == "6" then
--		        on_place = function(itemstack, placer, pointed_thing)
                local pt = pointed_thing
                if ( minetest.get_node({x=pt.under.x, y=pt.under.y+1, z=pt.under.z}).name == "air" ) then
                        local wear = itemstack:get_wear()
                        local direction = minetest.dir_to_facedir(user:get_look_dir())
                        local meta1 = minetest.env:get_meta({x=pt.under.x, y=pt.under.y  , z=pt.under.z})
                        local meta2 = minetest.env:get_meta({x=pt.under.x, y=pt.under.y+1, z=pt.under.z})
                        minetest.set_node({x=pt.under.x, y=pt.under.y+1, z=pt.under.z}, {name="mychisel:chisel_deco", param2=direction})
                        meta1:set_int("wear", wear)
                        meta2:set_int("wear", wear)
                        itemstack:take_item()
                        return itemstack
  end
  end

	end

		if not minetest.setting_getbool("creative_mode") then
			itemstack:add_wear(65535 / (USES - 1))
		end

		return itemstack

	end,

	on_place = function(itemstack, user, pointed_thing)

		local usr = user:get_player_name()

		if mode == "1" then
			mode = "2"
			minetest.chat_send_player(usr,"Horizontal Groove")

		elseif mode == "2" then
			mode = "3"
			minetest.chat_send_player(usr,"Vertical Groove")

		elseif mode == "3" then
			mode = "4"
			minetest.chat_send_player(usr,"Cross Grooves")

		elseif mode == "4" then
			mode = "5"
			minetest.chat_send_player(usr,"Square")

		elseif mode == "5" then
			mode = "6"
			minetest.chat_send_player(usr,"Place Tool")
		elseif mode == "6" then
			mode = "1"
			minetest.chat_send_player(usr,"Chisel 4 Edges")
		end

		if not minetest.setting_getbool("creative_mode") then
			itemstack:add_wear(65535 / (USES - 1))
		end

		return itemstack

	end

})

minetest.register_craft({
		output = "mychisel:chisel",
		recipe = {
			{"default:steel_ingot"},
			{"wool:brown"},
		},
})