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max_search_distance = 8
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min_search_distance = 2
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search_item = 'default:stone'
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-- All type detector
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minetest.register_node("mineral_detector:detector", {
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description = "Mineral Detector",
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tile_images = {"mineral_detector_none_none_none.png", "default_steel_block.png"},
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inventory_image = "mineral_detector_inv.png",
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is_ground_content = true,
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groups = {crumbly=3},
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drop = 'mineral_detector:detector 1',
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metadata_name = "generic",
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on_construct = function(pos)
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--local n = minetest.get_node(pos)
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local meta = minetest.get_meta(pos)
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meta:set_string("formspec", "field[text;;${text}]")
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end,
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on_receive_fields = function(pos, formname, fields, sender)
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local meta = minetest.get_meta(pos)
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fields.text = fields.text or ""
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if fields.text == "" then
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return
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end
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meta:set_string("search_item", fields.text)
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UpdateDetectorAll(pos, tonumber(meta:get_string("search_distance")), meta:get_string("search_item"))
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end
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})
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minetest.register_craft({
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output = 'mineral_detector:detector 1',
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recipe = {
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{'default:steelblock', 'default:steelblock', 'default:steelblock'},
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{'default:steelblock', 'default:coalblock', 'default:steelblock'},
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{'default:steelblock', 'default:coalblock', 'default:steelblock'},
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}
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})
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function UpdateDetectorAll(pos, search_distance, search_item)
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local search_p = {x=0, y=0, z=0}
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local found = 0
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for p_x=(pos.x-search_distance), (pos.x+search_distance) do
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for p_y=(pos.y-search_distance), (pos.y+search_distance) do
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for p_z=(pos.z-search_distance), (pos.z+search_distance) do
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local search_n = minetest.env:get_node({x=p_x, y=p_y, z=p_z})
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if search_n.name == search_item then
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found = found + 1
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end
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end
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end
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end
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info_text = ("Range: " .. tostring(search_distance) .. " | Found " .. search_item .. " x " .. found)
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local newmeta = minetest.env:get_meta(pos)
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newmeta:set_string("infotext",info_text)
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newmeta:set_string("search_distance", tostring(search_distance))
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newmeta:set_string("search_item", search_item)
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end
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minetest.register_on_punchnode(function(pos, node, puncher)
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if string.match(node.name, "mineral_detector:") ~= nil then
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local meta = minetest.env:get_meta(pos)
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local search_distance = tonumber(meta:get_string("search_distance"))
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local search_item = meta:get_string("search_item")
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if search_distance < max_search_distance then
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search_distance = search_distance + 1
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else
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search_distance = min_search_distance
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end
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if string.match(node.name, "mineral_detector:detector") ~= nil then
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UpdateDetectorAll(pos, search_distance, search_item)
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end
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end
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end)
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minetest.register_on_placenode(
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function(pos, newnode, placer)
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if string.match(newnode.name, "mineral_detector:") ~= nil then
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if newnode.name == "mineral_detector:detector" then
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UpdateDetectorAll(pos, min_search_distance, search_item)
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end
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end
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end
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)
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