game/technic.git

			@@ -6,928 +6,330 @@
			----------------------------------------
			technic_cnc_api.detail_level = 16 -- 16; 1-32

			-- HERE YOU CAN DE/ACTIVATE BACKGROUND FOR CNC MENU:
			--------------------------------------------------------
			technic_cnc_api.allow_menu_background = false

			-- REGISTER NONCUBIC FORMS, CREATE MODELS AND RECIPES:
			------------------------------------------------------
			local cnc_sphere =
			function()
			local nodebox = {}
			local detail = technic_cnc_api.detail_level
			local sehne
			for i = 1, detail-1 do
			sehne = math.sqrt(0.25 - (((i/detail)-0.5)^2))
			nodebox[i]={-sehne, (i/detail)-0.5, -sehne, sehne, (i/detail)+(1/detail)-0.5, sehne}
			end
			return nodebox
			end

			-- SLOPE
			--------
			function technic_cnc_api.register_slope(recipeitem, groups, images, description)
			local cnc_cylinder_horizontal =
			function()
			local nodebox = {}
			local detail = technic_cnc_api.detail_level
			local sehne
			for i = 1, detail-1 do
			sehne = math.sqrt(0.25 - (((i/detail)-0.5)^2))
			nodebox[i]={-0.5, (i/detail)-0.5, -sehne, 0.5, (i/detail)+(1/detail)-0.5, sehne}
			end
			return nodebox
			end

			local slopebox = {}
			local detail = technic_cnc_api.detail_level
			for i = 0, detail-1 do
			slopebox[i+1]={-0.5, (i/detail)-0.5, (i/detail)-0.5, 0.5, (i/detail)-0.5+(1/detail), 0.5}
			local cnc_cylinder =
			function()
			local nodebox = {}
			local detail = technic_cnc_api.detail_level
			local sehne
			for i = 1, detail-1 do
			sehne = math.sqrt(0.25 - (((i/detail)-0.5)^2))
			nodebox[i]={(i/detail)-0.5, -0.5, -sehne, (i/detail)+(1/detail)-0.5, 0.5, sehne}
			end
			return nodebox
			end

			local cnc_twocurvededge =
			function()
			local nodebox = {}
			local detail = technic_cnc_api.detail_level*2
			local sehne
			for i = (detail/2)-1, detail-1 do
			sehne = math.sqrt(0.25 - (((i/detail)-0.5)^2))
			nodebox[i]={-sehne, -0.5, -sehne, 0.5, (i/detail)+(1/detail)-0.5, 0.5}
			end
			return nodebox
			end

			local cnc_onecurvededge =
			function()
			local nodebox = {}
			local detail = technic_cnc_api.detail_level*2
			local sehne
			for i = (detail/2)-1, detail-1 do
			sehne = math.sqrt(0.25 - (((i/detail)-0.5)^2))
			nodebox[i]={-0.5, -0.5, -sehne, 0.5, (i/detail)+(1/detail)-0.5, 0.5}
			end
			return nodebox
			end

			local cnc_spike =
			function()
			local nodebox = {}
			local detail = technic_cnc_api.detail_level
			for i = 0, detail-1 do
			nodebox[i+1]={(i/detail/2)-0.5, (i/detail/2)-0.5, (i/detail/2)-0.5, 0.5-(i/detail/2), (i/detail)-0.5+(1/detail), 0.5-(i/detail/2)}
			end
			return nodebox
			end

			local cnc_pyramid =
			function()
			local nodebox = {}
			local detail = technic_cnc_api.detail_level/2
			for i = 0, detail-1 do
			nodebox[i+1]={(i/detail/2)-0.5, (i/detail/2)-0.5, (i/detail/2)-0.5, 0.5-(i/detail/2), (i/detail/2)-0.5+(1/detail), 0.5-(i/detail/2)}
			end
			return nodebox
			end

			local cnc_slope_inner_edge_upsdown =
			function()
			local nodebox = {}
			local detail = technic_cnc_api.detail_level
			for i = 0, detail-1 do
			nodebox[i+1]={0.5-(i/detail)-(1/detail), (i/detail)-0.5, -0.5, 0.5, (i/detail)-0.5+(1/detail), 0.5}
			nodebox[i+detail+1]={-0.5, (i/detail)-0.5, 0.5-(i/detail)-(1/detail), 0.5, (i/detail)-0.5+(1/detail), 0.5}
			end
			return nodebox
			end

			local cnc_slope_edge_upsdown =
			function()
			local nodebox = {}
			local detail = technic_cnc_api.detail_level
			for i = 0, detail-1 do
			nodebox[i+1]={(-1(i/detail))+0.5-(1/detail), (i/detail)-0.5, (-1(i/detail))+0.5-(1/detail), 0.5, (i/detail)-0.5+(1/detail), 0.5}
			end
			return nodebox
			end

			local cnc_slope_inner_edge =
			function()
			local nodebox = {}
			local detail = technic_cnc_api.detail_level
			for i = 0, detail-1 do
			nodebox[i+1]={(i/detail)-0.5, -0.5, -0.5, 0.5, (i/detail)-0.5+(1/detail), 0.5}
			nodebox[i+detail+1]={-0.5, -0.5, (i/detail)-0.5, 0.5, (i/detail)-0.5+(1/detail), 0.5}
			end
			return nodebox
			end

			local cnc_slope_edge =
			function()
			local nodebox = {}
			local detail = technic_cnc_api.detail_level
			for i = 0, detail-1 do
			nodebox[i+1]={(i/detail)-0.5, -0.5, (i/detail)-0.5, 0.5, (i/detail)-0.5+(1/detail), 0.5}
			end
			return nodebox
			end

			local cnc_slope_upsdown =
			function()
			local nodebox = {}
			local detail = technic_cnc_api.detail_level
			for i = 0, detail-1 do
			nodebox[i+1]={-0.5, (i/detail)-0.5, (-1*(i/detail))+0.5-(1/detail), 0.5, (i/detail)-0.5+(1/detail), 0.5}
			end
			return nodebox
			end

			local cnc_slope_lying =
			function()
			local nodebox = {}
			local detail = technic_cnc_api.detail_level
			for i = 0, detail-1 do
			nodebox[i+1]={(i/detail)-0.5, -0.5, (i/detail)-0.5, (i/detail)-0.5+(1/detail), 0.5 , 0.5}
			end
			return nodebox
			end

			local cnc_slope =
			function()
			local nodebox = {}
			local detail = technic_cnc_api.detail_level
			for i = 0, detail-1 do
			nodebox[i+1]={-0.5, (i/detail)-0.5, (i/detail)-0.5, 0.5, (i/detail)-0.5+(1/detail), 0.5}
			end
			return nodebox
			end

			-- Define slope boxes for the various nodes
			-------------------------------------------
			technic_cnc_api.cnc_programs = {
			{suffix = "technic_cnc_stick",
			nodebox = {-0.15, -0.5, -0.15, 0.15, 0.5, 0.15},
			desc = "Stick"},

			{suffix = "technic_cnc_element_end_double",
			nodebox = {-0.3, -0.5, -0.3, 0.3, 0.5, 0.5},
			desc = "Element End Double"},

			{suffix = "technic_cnc_element_cross_double",
			nodebox = {
			{0.3, -0.5, -0.3, 0.5, 0.5, 0.3},
			{-0.3, -0.5, -0.5, 0.3, 0.5, 0.5},
			{-0.5, -0.5, -0.3, -0.3, 0.5, 0.3}},
			desc = "Element Cross Double"},

			{suffix = "technic_cnc_element_t_double",
			nodebox = {
			{-0.3, -0.5, -0.5, 0.3, 0.5, 0.3},
			{-0.5, -0.5, -0.3, -0.3, 0.5, 0.3},
			{0.3, -0.5, -0.3, 0.5, 0.5, 0.3}},
			desc = "Element T Double"},

			{suffix = "technic_cnc_element_edge_double",
			nodebox = {
			{-0.3, -0.5, -0.5, 0.3, 0.5, 0.3},
			{-0.5, -0.5, -0.3, -0.3, 0.5, 0.3}},
			desc = "Element Edge Double"},

			{suffix = "technic_cnc_element_straight_double",
			nodebox = {-0.3, -0.5, -0.5, 0.3, 0.5, 0.5},
			desc = "Element Straight Double"},

			{suffix = "technic_cnc_element_end",
			nodebox = {-0.3, -0.5, -0.3, 0.3, 0, 0.5},
			desc = "Element End"},

			{suffix = "technic_cnc_element_cross",
			nodebox = {
			{0.3, -0.5, -0.3, 0.5, 0, 0.3},
			{-0.3, -0.5, -0.5, 0.3, 0, 0.5},
			{-0.5, -0.5, -0.3, -0.3, 0, 0.3}},
			desc = "Element Cross"},

			{suffix = "technic_cnc_element_t",
			nodebox = {
			{-0.3, -0.5, -0.5, 0.3, 0, 0.3},
			{-0.5, -0.5, -0.3, -0.3, 0, 0.3},
			{0.3, -0.5, -0.3, 0.5, 0, 0.3}},
			desc = "Element T"},

			{suffix = "technic_cnc_element_edge",
			nodebox = {
			{-0.3, -0.5, -0.5, 0.3, 0, 0.3},
			{-0.5, -0.5, -0.3, -0.3, 0, 0.3}},
			desc = "Element Edge"},

			{suffix = "technic_cnc_element_straight",
			nodebox = {-0.3, -0.5, -0.5, 0.3, 0, 0.5},
			desc = "Element Straight"},

			{suffix = "technic_cnc_sphere",
			nodebox = cnc_sphere(),
			desc = "Sphere"},

			{suffix = "technic_cnc_cylinder_horizontal",
			nodebox = cnc_cylinder_horizontal(),
			desc = "Cylinder Horizontal"},

			{suffix = "technic_cnc_cylinder",
			nodebox = cnc_cylinder(),
			desc = ""},

			{suffix = "technic_cnc_twocurvededge",
			nodebox = cnc_twocurvededge(),
			desc = "One Curved Edge Block"},

			{suffix = "technic_cnc_onecurvededge",
			nodebox = cnc_onecurvededge(),
			desc = "Two Curved Edge Block"},

			{suffix = "technic_cnc_spike",
			nodebox = cnc_spike(),
			desc = "Spike"},

			{suffix = "technic_cnc_pyramid",
			nodebox = cnc_pyramid(),
			desc = "Pyramid"},

			{suffix = "technic_cnc_slope_inner_edge_upsdown",
			nodebox = cnc_slope_inner_edge_upsdown(),
			desc = "Slope Upside Down Inner Edge"},

			{suffix = "technic_cnc_slope_edge_upsdown",
			nodebox = cnc_slope_edge_upsdown(),
			desc = "Slope Upside Down Edge"},

			{suffix = "technic_cnc_slope_inner_edge",
			nodebox = cnc_slope_inner_edge(),
			desc = "Slope Inner Edge"},

			{suffix = "technic_cnc_slope_edge",
			nodebox = cnc_slope_edge(),
			desc = "Slope Edge"},

			{suffix = "technic_cnc_slope_upsdown",
			nodebox = cnc_slope_upsdown(),
			desc = "Slope Upside Down"},

			{suffix = "technic_cnc_slope_lying",
			nodebox = cnc_slope_lying(),
			desc = "Slope Lying"},

			{suffix = "technic_cnc_slope",
			nodebox = cnc_slope(),
			desc = "Slope"},
			-- {suffix = "",
			-- nodebox =},
			}

			-- Allow disabling certain programs for some node. Default is allowing all types for all nodes
			technic_cnc_api.cnc_programs_disable = {
			-- ["default:brick"] = {"technic_cnc_stick"}, -- Example: Disallow the stick for brick
			-- ...
			["default:dirt"] = {"technic_cnc_sphere", "technic_cnc_slope_upsdown", "technic_cnc_edge",
			"technic_cnc_inner_edge", "technic_cnc_slope_edge_upsdown", "technic_cnc_slope_inner_edge_upsdown",
			"technic_cnc_stick", "technic_cnc_cylinder_horizontal"}
			}

			-- Generic function for registering all the different node types
			function technic_cnc_api.register_cnc_program(recipeitem, suffix, nodebox, groups, images, description)
			minetest.register_node(":" .. recipeitem .. "_" .. suffix, {
			description = description,
			drawtype = "nodebox",
			tiles = images,
			paramtype = "light",
			paramtype2 = "facedir",
			walkable = true,
			selection_box = {
			type = "fixed",
			fixed = nodebox
			},
			node_box = {
			type = "fixed",
			fixed = nodebox
			},
			groups = groups,
			})
			end

			minetest.register_node(":" .. recipeitem .. "_technic_cnc_slope", {
			description = description,
			drawtype = "nodebox",
			tiles = images,
			paramtype = "light",
			paramtype2 = "facedir",
			walkable = true,
			selection_box = {
			type = "fixed",
			fixed = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
			},
			node_box = {
			type = "fixed",
			fixed = slopebox,
			},
			groups = groups,
			})
			-- function to iterate over all the programs the CNC machine knows
			function technic_cnc_api.register_all(recipeitem, groups, images, description)
			for _, data in ipairs(technic_cnc_api.cnc_programs) do
			-- Disable node creation for disabled node types for some material
			local do_register = true
			if technic_cnc_api.cnc_programs_disable[recipeitem] ~= nil then
			for __, disable in ipairs(technic_cnc_api.cnc_programs_disable[recipeitem]) do
			if disable == data.suffix then
			do_register = false
			end
			end
			end
			-- Create the node if it passes the test
			if do_register then
			technic_cnc_api.register_cnc_program(recipeitem, data.suffix, data.nodebox, groups, images, description.." "..data.desc)
			end
			end
			end


			-- SLOPE Lying
			----------------
			function technic_cnc_api.register_slope_lying(recipeitem, groups, images, description)

			local slopeboxlying = {}
			local detail = technic_cnc_api.detail_level
			for i = 0, detail-1 do
			slopeboxlying[i+1]={(i/detail)-0.5, -0.5, (i/detail)-0.5, (i/detail)-0.5+(1/detail), 0.5 , 0.5}
			end
			minetest.register_node(":" .. recipeitem .. "_technic_cnc_slope_lying", {
			description = description,
			drawtype = "nodebox",
			tiles = images,
			paramtype = "light",
			paramtype2 = "facedir",
			walkable = true,
			selection_box = {
			type = "fixed",
			fixed = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
			},
			node_box = {
			type = "fixed",
			fixed = slopeboxlying,
			},
			groups = groups,
			})
			minetest.register_craft({
			output = recipeitem .. "_technic_cnc_slope_lying 1",
			recipe = {
			{"", "", ""},
			{"", recipeitem .. "_technic_cnc_slope", ""},
			{"", "", ""},
			},
			})

			end


			-- SLOPE UPSIDE DOWN
			--------------------
			function technic_cnc_api.register_slope_upsdown(recipeitem, groups, images, description)

			if subname == "dirt" then
			return
			end

			local slopeupdwnbox = {}
			local detail = technic_cnc_api.detail_level
			for i = 0, detail-1 do
			slopeupdwnbox[i+1]={-0.5, (i/detail)-0.5, (-1*(i/detail))+0.5-(1/detail), 0.5, (i/detail)-0.5+(1/detail), 0.5}
			end
			minetest.register_node(":" .. recipeitem .. "_technic_cnc_slope_upsdown", {
			description = description,
			drawtype = "nodebox",
			tiles = images,
			paramtype = "light",
			paramtype2 = "facedir",
			walkable = true,
			selection_box = {
			type = "fixed",
			fixed = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
			},
			node_box = {
			type = "fixed",
			fixed = slopeupdwnbox,
			},
			groups = groups,
			})
			end


			-- SLOPE EDGE
			-------------
			function technic_cnc_api.register_slope_edge(recipeitem, groups, images, description)

			local slopeboxedge = {}
			local detail = technic_cnc_api.detail_level
			for i = 0, detail-1 do
			slopeboxedge[i+1]={(i/detail)-0.5, -0.5, (i/detail)-0.5, 0.5, (i/detail)-0.5+(1/detail), 0.5}
			end
			minetest.register_node(":" .. recipeitem .. "_technic_cnc_slope_edge", {
			description = description,
			drawtype = "nodebox",
			tiles = images,
			paramtype = "light",
			paramtype2 = "facedir",
			walkable = true,
			selection_box = {
			type = "fixed",
			fixed = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
			},
			node_box = {
			type = "fixed",
			fixed = slopeboxedge,
			},
			groups = groups,
			})
			end


			-- SLOPE INNER EDGE
			-------------------
			function technic_cnc_api.register_slope_inner_edge(recipeitem, groups, images, description)

			minetest.register_node(":" .. recipeitem .. "_technic_cnc_slope_inner_edge", {
			description = description,
			drawtype = "nodebox",
			tiles = images,
			paramtype = "light",
			paramtype2 = "facedir",
			walkable = true,
			selection_box = {
			type = "fixed",
			fixed = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
			},
			node_box = {
			type = "fixed",
			fixed = {
			-- PART 1
			{-0.5, -0.5, -0.5, 0.5, -0.45, 0.5},
			{-0.45, -0.5, -0.5, 0.5, -0.4, 0.5},
			{-0.4, -0.5, -0.5, 0.5, -0.35, 0.5},
			{-0.35, -0.5, -0.5, 0.5, -0.3, 0.5},
			{-0.3, -0.5, -0.5, 0.5, -0.25, 0.5},
			{-0.25, -0.5, -0.5, 0.5, -0.2, 0.5},
			{-0.2, -0.5, -0.5, 0.5, -0.15, 0.5},
			{-0.15, -0.5, -0.5, 0.5, -0.1, 0.5},
			{-0.1, -0.5, -0.5, 0.5, -0.05, 0.5},
			{-0.05, -0.5, -0.5, 0.5, 0, 0.5},
			{0, -0.5, -0.5, 0.5, 0.05, 0.5},
			{0.05, -0.5, -0.5, 0.5, 0.1, 0.5},
			{0.1, -0.5, -0.5, 0.5, 0.15, 0.5},
			{0.15, -0.5, -0.5, 0.5, 0.2, 0.5},
			{0.2, -0.5, -0.5, 0.5, 0.25, 0.5},
			{0.25, -0.5, -0.5, 0.5, 0.3, 0.5},
			{0.3, -0.5, -0.5, 0.5, 0.35, 0.5},
			{0.35, -0.5, -0.5, 0.5, 0.4, 0.5},
			{0.4, -0.5, -0.5, 0.5, 0.45, 0.5},
			{0.45, -0.5, -0.5, 0.5, 0.5, 0.5},
			-- PART 2
			{-0.5, -0.5, -0.45, 0.5, -0.45, 0.5},
			{-0.5, -0.5, -0.4, 0.5, -0.4, 0.5},
			{-0.5, -0.5, -0.35, 0.5, -0.35, 0.5},
			{-0.5, -0.5, -0.3, 0.5, -0.3, 0.5},
			{-0.5, -0.5, -0.25, 0.5, -0.25, 0.5},
			{-0.5, -0.5, -0.2, 0.5, -0.2, 0.5},
			{-0.5, -0.5, -0.15, 0.5, -0.15, 0.5},
			{-0.5, -0.5, -0.1, 0.5, -0.1, 0.5},
			{-0.5, -0.5, -0.05, 0.5, -0.05, 0.5},
			{-0.5, -0.5, 0, 0.5, 0, 0.5},
			{-0.5, -0.5, 0.05, 0.5, 0.05, 0.5},
			{-0.5, -0.5, 0.1, 0.5, 0.1, 0.5},
			{-0.5, -0.5, 0.15, 0.5, 0.15, 0.5},
			{-0.5, -0.5, 0.2, 0.5, 0.2, 0.5},
			{-0.5, -0.5, .25, 0.5, 0.25, 0.5},
			{-0.5, -0.5, 0.3, 0.5, 0.3, 0.5},
			{-0.5, -0.5, 0.35, 0.5, 0.35, 0.5},
			{-0.5, -0.5, 0.4, 0.5, 0.4, 0.5},
			{-0.5, -0.5, 0.45, 0.5, 0.45, 0.5},
			{-0.5, -0.5, 0.5, 0.5, 0.5, 0.5},
			},
			},
			groups = groups,
			})
			end


			-- SLOPE EDGE UPSIDE DOWN
			-------------------------
			function technic_cnc_api.register_slope_upsdown_edge(recipeitem, groups, images, description)

			if recipeitem == "default:dirt" then
			return
			end

			local slopeupdwnboxedge = {}
			local detail = technic_cnc_api.detail_level
			for i = 0, detail-1 do
			slopeupdwnboxedge[i+1]={(-1(i/detail))+0.5-(1/detail), (i/detail)-0.5, (-1(i/detail))+0.5-(1/detail), 0.5, (i/detail)-0.5+(1/detail), 0.5}
			end
			minetest.register_node(":" .. recipeitem .. "_technic_cnc_slope_upsdown_edge", {
			description = description,
			drawtype = "nodebox",
			tiles = images,
			paramtype = "light",
			paramtype2 = "facedir",
			walkable = true,
			selection_box = {
			type = "fixed",
			fixed = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
			},
			node_box = {
			type = "fixed",
			fixed = slopeupdwnboxedge,
			},
			groups = groups,
			})
			end


			-- SLOPE INNER EDGE UPSIDE DOWN
			-------------------------------
			function technic_cnc_api.register_slope_upsdown_inner_edge(recipeitem, groups, images, description)

			if recipename == "default:dirt" then
			return
			end

			minetest.register_node(":" .. recipeitem .. "_technic_cnc_slope_upsdown_inner_edge", {
			description = description,
			drawtype = "nodebox",
			tiles = images,
			paramtype = "light",
			paramtype2 = "facedir",
			walkable = true,
			selection_box = {
			type = "fixed",
			fixed = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
			},
			node_box = {
			type = "fixed",
			fixed = {
			{0.45, -0.5, -0.5, 0.5, -0.45, 0.5},
			{0.4, -0.45, -0.5, 0.5, -0.4, 0.5},
			{0.35, -0.4, -0.5, 0.5, -0.35, 0.5},
			{0.3, -0.35, -0.5, 0.5, -0.3, 0.5},
			{0.25, -0.3, -0.5, 0.5, -0.25, 0.5},
			{0.2, -0.25, -0.5, 0.5, -0.2, 0.5},
			{0.15, -0.2, -0.5, 0.5, -0.15, 0.5},
			{0.1, -0.15, -0.5, 0.5, -0.1, 0.5},
			{0.05, -0.1, -0.5, 0.5, -0.05, 0.5},
			{0, -0.05, -0.5, 0.5, 0, 0.5},
			{-0.05, 0, -0.5, 0.5, 0.05, 0.5},
			{-0.1, 0.05, -0.5, 0.5, 0.1, 0.5},
			{-0.15, 0.1, -0.5, 0.5, 0.15, 0.5},
			{-0.2, 0.15, -0.5, 0.5, 0.2, 0.5},
			{-0.25, 0.2, -0.5, 0.5, 0.25, 0.5},
			{-0.3, 0.25, -0.5, 0.5, 0.3, 0.5},
			{-0.35, 0.3, -0.5, 0.5, 0.35, 0.5},
			{-0.4, 0.35, -0.5, 0.5, 0.4, 0.5},
			{-0.45, 0.4, -0.5, 0.5, 0.45, 0.5},
			{-0.5, 0.45, -0.5, 0.5, 0.5, 0.5},

			{-0.5, -0.5, 0.45, 0.5, -0.45, 0.5},
			{-0.5, -0.45, 0.4, 0.5, -0.4, 0.5},
			{-0.5, -0.4, 0.35, 0.5, -0.35, 0.5},
			{-0.5, -0.35, 0.3, 0.5, -0.3, 0.5},
			{-0.5, -0.3, 0.25, 0.5, -0.25, 0.5},
			{-0.5, -0.25, 0.2, 0.5, -0.2, 0.5},
			{-0.5, -0.2, 0.15, 0.5, -0.15, 0.5},
			{-0.5, -0.15, 0.1, 0.5, -0.1, 0.5},
			{-0.5, -0.1, 0.05, 0.5, -0.05, 0.5},
			{-0.5, -0.05, 0, 0.5, 0, 0.5},
			{-0.5, 0, -0.05, 0.5, 0.05, 0.5},
			{-0.5, 0.05, -0.1, 0.5, 0.1, 0.5},
			{-0.5, 0.1, -0.15, 0.5, 0.15, 0.5},
			{-0.5, 0.15, -0.2, 0.5, 0.2, 0.5},
			{-0.5, 0.2, -0.25, 0.5, 0.25, 0.5},
			{-0.5, 0.25, -0.3, 0.5, 0.3, 0.5},
			{-0.5, 0.3, -0.35, 0.5, 0.35, 0.5},
			{-0.5, 0.35, -0.4, 0.5, 0.4, 0.5},
			{-0.5, 0.4, -0.45, 0.5, 0.45, 0.5},
			{-0.5, 0.45, -0.5, 0.5, 0.5, 0.5},

			},
			},
			groups = groups,
			})
			end


			-- PYRAMID
			----------
			function technic_cnc_api.register_pyramid(recipeitem, groups, images, description)

			local pyrabox = {}
			local detail = technic_cnc_api.detail_level/2
			for i = 0, detail-1 do
			pyrabox[i+1]={(i/detail/2)-0.5, (i/detail/2)-0.5, (i/detail/2)-0.5, 0.5-(i/detail/2), (i/detail/2)-0.5+(1/detail), 0.5-(i/detail/2)}
			end
			minetest.register_node(":" .. recipeitem .. "_technic_cnc_pyramid", {
			description = description,
			drawtype = "nodebox",
			tiles = images,
			paramtype = "light",
			paramtype2 = "facedir",
			walkable = true,
			selection_box = {
			type = "fixed",
			fixed = {-0.5, -0.5, -0.5, 0.5, 0, 0.5},
			},
			node_box = {
			type = "fixed",
			fixed = pyrabox,
			},
			groups = groups,
			})
			end


			-- SPIKE
			--------
			function technic_cnc_api.register_spike(recipeitem, groups, images, description)

			if recipename == "default:dirt" then
			return
			end

			local spikebox = {}
			local detail = technic_cnc_api.detail_level
			for i = 0, detail-1 do
			spikebox[i+1]={(i/detail/2)-0.5, (i/detail/2)-0.5, (i/detail/2)-0.5, 0.5-(i/detail/2), (i/detail)-0.5+(1/detail), 0.5-(i/detail/2)}
			end
			minetest.register_node(":" .. recipeitem .. "_technic_cnc_spike", {
			description = description,
			drawtype = "nodebox",
			tiles = images,
			paramtype = "light",
			paramtype2 = "facedir",
			walkable = true,
			selection_box = {
			type = "fixed",
			fixed = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
			},
			node_box = {
			type = "fixed",
			fixed = spikebox,
			},
			groups = groups,
			})
			end


			-- Block one curved edge
			------------------------
			function technic_cnc_api.register_onecurvededge(recipeitem, groups, images, description)

			local quartercyclebox = {}
			local detail = technic_cnc_api.detail_level*2
			local sehne
			for i = (detail/2)-1, detail-1 do
			sehne = math.sqrt(0.25 - (((i/detail)-0.5)^2))
			quartercyclebox[i]={-0.5, -0.5, -sehne, 0.5, (i/detail)+(1/detail)-0.5, 0.5}
			end
			minetest.register_node(":" .. recipeitem .. "_technic_cnc_onecurvededge", {
			description = description,
			drawtype = "nodebox",
			tiles = images,
			paramtype = "light",
			paramtype2 = "facedir",
			walkable = true,
			selection_box = {
			type = "fixed",
			fixed = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
			},
			node_box = {
			type = "fixed",
			fixed = quartercyclebox,
			},
			groups = groups,
			})
			end


			-- Block two curved edges
			-------------------------
			function technic_cnc_api.register_twocurvededge(recipeitem, groups, images, description)

			local quartercyclebox2 = {}
			local detail = technic_cnc_api.detail_level*2
			local sehne
			for i = (detail/2)-1, detail-1 do
			sehne = math.sqrt(0.25 - (((i/detail)-0.5)^2))
			quartercyclebox2[i]={-sehne, -0.5, -sehne, 0.5, (i/detail)+(1/detail)-0.5, 0.5}
			end
			minetest.register_node(":" .. recipeitem .. "_technic_cnc_twocurvededge", {
			description = description,
			drawtype = "nodebox",
			tiles = images,
			paramtype = "light",
			paramtype2 = "facedir",
			walkable = true,
			selection_box = {
			type = "fixed",
			fixed = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
			},
			node_box = {
			type = "fixed",
			fixed = quartercyclebox2,
			},
			groups = groups,
			})
			minetest.register_craft({
			output = recipeitem .. "_technic_cnc_twocurvededge 3",
			recipe = {
			{"", "", ""},
			{recipeitem .. "_technic_cnc_onecurvededge", "", ""},
			{recipeitem .. "_technic_cnc_onecurvededge", recipeitem .. "_technic_cnc_onecurvededge", ""},
			},
			})

			end

			-- Cylinder
			-----------
			function technic_cnc_api.register_cylinder(recipeitem, groups, images, description)

			if recipename == "default:dirt" then
			return
			end

			local cylbox = {}
			local detail = technic_cnc_api.detail_level
			local sehne
			for i = 1, detail-1 do
			sehne = math.sqrt(0.25 - (((i/detail)-0.5)^2))
			cylbox[i]={(i/detail)-0.5, -0.5, -sehne, (i/detail)+(1/detail)-0.5, 0.5, sehne}
			end
			minetest.register_node(":" .. recipeitem .. "_technic_cnc_cylinder", {
			description = description,
			drawtype = "nodebox",
			tiles = images,
			paramtype = "light",
			paramtype2 = "facedir",
			walkable = true,
			selection_box = {
			type = "fixed",
			fixed = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
			},
			node_box = {
			type = "fixed",
			fixed = cylbox,
			},
			groups = groups,
			})
			minetest.register_craft({
			output = recipeitem .. "_technic_cnc_cylinder 1",
			recipe = {
			{"", "", ""},
			{"", recipeitem .. "_technic_cnc_cylinder_horizontal", ""},
			{"", "", ""},
			},
			})

			end


			-- Cylinder Horizontal
			----------------------
			function technic_cnc_api.register_cylinder_horizontal(recipeitem, groups, images, description)

			if recipename == "default:dirt" then
			return
			end

			local cylbox_horizontal = {}
			local detail = technic_cnc_api.detail_level
			local sehne
			for i = 1, detail-1 do
			sehne = math.sqrt(0.25 - (((i/detail)-0.5)^2))
			cylbox_horizontal[i]={-0.5, (i/detail)-0.5, -sehne, 0.5, (i/detail)+(1/detail)-0.5, sehne}
			end
			minetest.register_node(":" .. recipeitem .. "_technic_cnc_cylinder_horizontal", {
			description = description,
			drawtype = "nodebox",
			tiles = images,
			paramtype = "light",
			paramtype2 = "facedir",
			walkable = true,
			selection_box = {
			type = "fixed",
			fixed = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
			},
			node_box = {
			type = "fixed",
			fixed = cylbox_horizontal,
			},
			groups = groups,
			})
			minetest.register_craft({
			output = recipeitem .. "_technic_cnc_cylinder_horizontal 1",
			recipe = {
			{"", "", ""},
			{"", recipeitem .. "_technic_cnc_cylinder", ""},
			{"", "", ""},
			},
			})
			end


			-- Sphere
			---------
			function technic_cnc_api.register_sphere(recipeitem, groups, images, description)

			if recipename == "default:dirt" then
			return
			end

			local spherebox = {}
			local detail = technic_cnc_api.detail_level
			local sehne
			for i = 1, detail-1 do
			sehne = math.sqrt(0.25 - (((i/detail)-0.5)^2))
			spherebox[i]={-sehne, (i/detail)-0.5, -sehne, sehne, (i/detail)+(1/detail)-0.5, sehne}
			end
			minetest.register_node(":" .. recipeitem .. "_technic_cnc_cylinder_sphere", {
			description = description,
			drawtype = "nodebox",
			tiles = images,
			paramtype = "light",
			paramtype2 = "facedir",
			walkable = true,
			selection_box = {
			type = "fixed",
			fixed = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
			},
			node_box = {
			type = "fixed",
			fixed = spherebox,
			},
			groups = groups,
			})
			end


			-- Element straight
			-------------------
			function technic_cnc_api.register_element_straight(recipeitem, groups, images, description)

			minetest.register_node(":" .. recipeitem .. "_technic_cnc_element_straight", {
			description = description,
			drawtype = "nodebox",
			tiles = images,
			paramtype = "light",
			paramtype2 = "facedir",
			walkable = true,
			selection_box = {
			type = "fixed",
			fixed = {-0.3, -0.5, -0.5, 0.3, 0, 0.5},
			},
			node_box = {
			type = "fixed",
			fixed = {
			{-0.3, -0.5, -0.5, 0.3, 0, 0.5},
			},
			},
			groups = groups,
			})
			end


			-- Element Edge
			---------------
			function technic_cnc_api.register_element_edge(recipeitem, groups, images, description)

			minetest.register_node(":" .. recipeitem .. "_technic_cnc_element_edge", {
			description = description,
			drawtype = "nodebox",
			tiles = images,
			paramtype = "light",
			paramtype2 = "facedir",
			walkable = true,
			selection_box = {
			type = "fixed",
			fixed = {
			{-0.3, -0.5, -0.5, 0.3, 0, 0.3},
			{-0.5, -0.5, -0.3, -0.3, 0, 0.3},
			},
			},
			node_box = {
			type = "fixed",
			fixed = {
			{-0.3, -0.5, -0.5, 0.3, 0, 0.3},
			{-0.5, -0.5, -0.3, -0.3, 0, 0.3},
			},
			},
			groups = groups,
			})
			end


			-- Element T
			------------
			function technic_cnc_api.register_element_t(recipeitem, groups, images, description)

			minetest.register_node(":" .. recipeitem .. "_technic_cnc_element_t", {
			description = description,
			drawtype = "nodebox",
			tiles = images,
			paramtype = "light",
			paramtype2 = "facedir",
			walkable = true,
			selection_box = {
			type = "fixed",
			fixed = {
			{-0.3, -0.5, -0.5, 0.3, 0, 0.3},
			{-0.5, -0.5, -0.3, -0.3, 0, 0.3},
			{0.3, -0.5, -0.3, 0.5, 0, 0.3},
			},
			},
			node_box = {
			type = "fixed",
			fixed = {
			{-0.3, -0.5, -0.5, 0.3, 0, 0.3},
			{-0.5, -0.5, -0.3, -0.3, 0, 0.3},
			{0.3, -0.5, -0.3, 0.5, 0, 0.3},
			},
			},
			groups = groups,
			})
			end


			-- Element Cross
			----------------
			function technic_cnc_api.register_element_cross(recipeitem, groups, images, description)

			minetest.register_node(":" .. recipeitem .. "_technic_cnc_element_cross", {
			description = description,
			drawtype = "nodebox",
			tiles = images,
			paramtype = "light",
			paramtype2 = "facedir",
			walkable = true,
			selection_box = {
			type = "fixed",
			fixed = {
			{0.3, -0.5, -0.3, 0.5, 0, 0.3},
			{-0.3, -0.5, -0.5, 0.3, 0, 0.5},
			{-0.5, -0.5, -0.3, -0.3, 0, 0.3},
			},
			},
			node_box = {
			type = "fixed",
			fixed = {
			{0.3, -0.5, -0.3, 0.5, 0, 0.3},
			{-0.3, -0.5, -0.5, 0.3, 0, 0.5},
			{-0.5, -0.5, -0.3, -0.3, 0, 0.3},
			},
			},
			groups = groups,
			})
			end


			-- Element End
			--------------
			function technic_cnc_api.register_element_end(recipeitem, groups, images, description)

			minetest.register_node(":" .. recipeitem .. "_technic_cnc_element_end", {
			description = description,
			drawtype = "nodebox",
			tiles = images,
			paramtype = "light",
			paramtype2 = "facedir",
			walkable = true,
			selection_box = {
			type = "fixed",
			fixed = {-0.3, -0.5, -0.3, 0.3, 0, 0.5},
			},
			node_box = {
			type = "fixed",
			fixed = {-0.3, -0.5, -0.3, 0.3, 0, 0.5},
			},
			groups = groups,
			})
			end


			-- Element straight DOUBLE
			--------------------------
			function technic_cnc_api.register_element_straight_double(recipeitem, groups, images, description)

			minetest.register_node(":" .. recipeitem .. "_technic_cnc_element_straight_double", {
			description = description,
			drawtype = "nodebox",
			tiles = images,
			paramtype = "light",
			paramtype2 = "facedir",
			walkable = true,
			selection_box = {
			type = "fixed",
			fixed = {-0.3, -0.5, -0.5, 0.3, 0.5, 0.5},
			},
			node_box = {
			type = "fixed",
			fixed = {
			{-0.3, -0.5, -0.5, 0.3, 0.5, 0.5},
			},
			},
			groups = groups,
			})
			minetest.register_craft({
			output = recipeitem .. "_technic_cnc_element_straight_double 1",
			recipe = {
			{"", "", ""},
			{"", recipeitem .. "_technic_cnc_element_straight", ""},
			{"", recipeitem .. "_technic_cnc_element_straight", ""},
			},
			})
			end


			-- Element Edge DOUBLE
			----------------------
			function technic_cnc_api.register_element_edge_double(recipeitem, groups, images, description)

			minetest.register_node(":" .. recipeitem .. "_technic_cnc_element_edge_double", {
			description = description,
			drawtype = "nodebox",
			tiles = images,
			paramtype = "light",
			paramtype2 = "facedir",
			walkable = true,
			selection_box = {
			type = "fixed",
			fixed = {
			{-0.3, -0.5, -0.5, 0.3, 0.5, 0.3},
			{-0.5, -0.5, -0.3, -0.3, 0.5, 0.3},
			},
			},
			node_box = {
			type = "fixed",
			fixed = {
			{-0.3, -0.5, -0.5, 0.3, 0.5, 0.3},
			{-0.5, -0.5, -0.3, -0.3, 0.5, 0.3},
			},
			},
			groups = groups,
			})
			minetest.register_craft({
			output = recipeitem .. "_technic_cnc_element_edge_double 1",
			recipe = {
			{"", "", ""},
			{"", recipeitem .. "_technic_cnc_element_edge", ""},
			{"", recipeitem .. "_technic_cnc_element_edge", ""},
			},
			})
			end


			-- Element T DOUBLE
			-------------------
			function technic_cnc_api.register_element_t_double(recipeitem, groups, images, description)

			minetest.register_node(":" .. recipeitem .. "_technic_cnc_element_t_double", {
			description = description,
			drawtype = "nodebox",
			tiles = images,
			paramtype = "light",
			paramtype2 = "facedir",
			walkable = true,
			selection_box = {
			type = "fixed",
			fixed = {
			{-0.3, -0.5, -0.5, 0.3, 0.5, 0.3},
			{-0.5, -0.5, -0.3, -0.3, 0.5, 0.3},
			{0.3, -0.5, -0.3, 0.5, 0.5, 0.3},
			},
			},
			node_box = {
			type = "fixed",
			fixed = {
			{-0.3, -0.5, -0.5, 0.3, 0.5, 0.3},
			{-0.5, -0.5, -0.3, -0.3, 0.5, 0.3},
			{0.3, -0.5, -0.3, 0.5, 0.5, 0.3},
			},
			},
			groups = groups,
			})
			minetest.register_craft({
			output = recipeitem .. "_technic_cnc_element_t_double 1",
			recipe = {
			{"", "", ""},
			{"", recipeitem .. "_technic_cnc_element_t", ""},
			{"", recipeitem .. "_technic_cnc_element_t", ""},
			},
			})
			end


			-- Element Cross Double
			-----------------------
			function technic_cnc_api.register_element_cross_double(recipeitem, groups, images, description)

			minetest.register_node(":" .. recipeitem .. "_technic_cnc_element_cross_double", {
			description = description,
			drawtype = "nodebox",
			tiles = images,
			paramtype = "light",
			paramtype2 = "facedir",
			walkable = true,
			selection_box = {
			type = "fixed",
			fixed = {
			{0.3, -0.5, -0.3, 0.5, 0.5, 0.3},
			{-0.3, -0.5, -0.5, 0.3, 0.5, 0.5},
			{-0.5, -0.5, -0.3, -0.3, 0.5, 0.3},
			},
			},
			node_box = {
			type = "fixed",
			fixed = {
			{0.3, -0.5, -0.3, 0.5, 0.5, 0.3},
			{-0.3, -0.5, -0.5, 0.3, 0.5, 0.5},
			{-0.5, -0.5, -0.3, -0.3, 0.5, 0.3},
			},
			},
			groups = groups,
			})
			minetest.register_craft({
			output = recipeitem .. "_technic_cnc_element_cross_double 1",
			recipe = {
			{"", "", ""},
			{"", recipeitem .. "_technic_cnc_element_cross", ""},
			{"", recipeitem .. "_technic_cnc_element_cross", ""},
			},
			})

			end


			-- Element End Double
			---------------------
			function technic_cnc_api.register_element_end_double(recipeitem, groups, images, description)

			minetest.register_node(":" .. recipeitem .. "_technic_cnc_element_end_double", {
			description = description,
			drawtype = "nodebox",
			tiles = images,
			paramtype = "light",
			paramtype2 = "facedir",
			walkable = true,
			selection_box = {
			type = "fixed",
			fixed = {-0.3, -0.5, -0.3, 0.3, 0.5, 0.5},
			},
			node_box = {
			type = "fixed",
			fixed = {-0.3, -0.5, -0.3, 0.3, 0.5, 0.5},
			},
			groups = groups,
			})
			minetest.register_craft({
			output = recipeitem .. "_technic_cnc_element_end_double 1",
			recipe = {
			{"", "", ""},
			{"", recipeitem .. "_technic_cnc_element_end", ""},
			{"", recipeitem .. "_technic_cnc_element_end", ""},
			},
			})
			end


			-- STICK
			--------
			function technic_cnc_api.register_stick(recipeitem, groups, images, description)

			minetest.register_node(":" .. recipeitem .. "_technic_cnc_stick", {
			description = description,
			drawtype = "nodebox",
			tiles = images,
			paramtype = "light",
			paramtype2 = "facedir",
			walkable = true,
			selection_box = {
			type = "fixed",
			fixed = {-0.15, -0.5, -0.15, 0.15, 0.5, 0.15},
			},
			node_box = {
			type = "fixed",
			fixed = {-0.15, -0.5, -0.15, 0.15, 0.5, 0.15},
			},
			groups = groups,
			})
			minetest.register_craft({
			output = recipeitem .. "_technic_cnc_stick 8",
			recipe = {
			{'default:stick', "", ""},
			{"", "", ""},
			{recipeitem, "", ""},
			},
			})
			end



			-- REGISTER NEW TECHNIC_CNC_API's PART 2: technic_cnc_api.register_element_end(subname, recipeitem, groups, images, desc_element_xyz)
			@@ -939,8 +341,8 @@
			technic_cnc_api.register_slope_upsdown(recipeitem, groups, images, desc_slope_upsdown)
			technic_cnc_api.register_slope_edge(recipeitem, groups, images, desc_slope_edge)
			technic_cnc_api.register_slope_inner_edge(recipeitem, groups, images, desc_slope_inner_edge)
			technic_cnc_api.register_slope_upsdown_edge(recipeitem, groups, images, desc_slope_upsdwn_edge)
			technic_cnc_api.register_slope_upsdown_inner_edge(recipeitem, groups, images, desc_slope_upsdwn_inner_edge)
			technic_cnc_api.register_slope_edge_upsdown(recipeitem, groups, images, desc_slope_upsdwn_edge)
			technic_cnc_api.register_slope_inner_edge_upsdown(recipeitem, groups, images, desc_slope_upsdwn_inner_edge)
			technic_cnc_api.register_pyramid(recipeitem, groups, images, desc_pyramid)
			technic_cnc_api.register_spike(recipeitem, groups, images, desc_spike)
			technic_cnc_api.register_onecurvededge(recipeitem, groups, images, desc_onecurvededge)