mirror of
https://github.com/minetest/minetest.git
synced 2024-11-05 07:13:46 +01:00
319 lines
8.6 KiB
Lua
319 lines
8.6 KiB
Lua
function basic_dump2(o)
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if type(o) == "number" then
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return tostring(o)
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elseif type(o) == "string" then
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return string.format("%q", o)
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elseif type(o) == "boolean" then
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return tostring(o)
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elseif type(o) == "function" then
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return "<function>"
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elseif type(o) == "userdata" then
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return "<userdata>"
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elseif type(o) == "nil" then
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return "nil"
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else
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error("cannot dump a " .. type(o))
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return nil
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end
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end
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function dump2(o, name, dumped)
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name = name or "_"
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dumped = dumped or {}
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io.write(name, " = ")
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if type(o) == "number" or type(o) == "string" or type(o) == "boolean"
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or type(o) == "function" or type(o) == "nil"
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or type(o) == "userdata" then
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io.write(basic_dump2(o), "\n")
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elseif type(o) == "table" then
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if dumped[o] then
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io.write(dumped[o], "\n")
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else
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dumped[o] = name
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io.write("{}\n") -- new table
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for k,v in pairs(o) do
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local fieldname = string.format("%s[%s]", name, basic_dump2(k))
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dump2(v, fieldname, dumped)
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end
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end
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else
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error("cannot dump a " .. type(o))
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return nil
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end
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end
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function dump(o, dumped)
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dumped = dumped or {}
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if type(o) == "number" then
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return tostring(o)
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elseif type(o) == "string" then
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return string.format("%q", o)
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elseif type(o) == "table" then
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if dumped[o] then
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return "<circular reference>"
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end
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dumped[o] = true
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local t = {}
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for k,v in pairs(o) do
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t[#t+1] = "" .. k .. " = " .. dump(v, dumped)
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end
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return "{" .. table.concat(t, ", ") .. "}"
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elseif type(o) == "boolean" then
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return tostring(o)
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elseif type(o) == "function" then
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return "<function>"
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elseif type(o) == "userdata" then
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return "<userdata>"
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elseif type(o) == "nil" then
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return "nil"
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else
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error("cannot dump a " .. type(o))
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return nil
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end
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end
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--
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-- Built-in node definitions. Also defined in C.
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--
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minetest.register_nodedef_defaults({
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-- name intentionally not defined here
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drawtype = "normal",
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visual_scale = 1.0,
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tile_images = {"unknown_block.png"},
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inventory_image = "unknown_block.png",
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special_materials = {
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{image="", backface_culling=true},
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{image="", backface_culling=true},
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},
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alpha = 255,
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post_effect_color = {a=0, r=0, g=0, b=0},
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paramtype = "none",
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is_ground_content = false,
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light_propagates = false,
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sunlight_propagates = false,
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walkable = true,
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pointable = true,
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diggable = true,
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climbable = false,
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buildable_to = false,
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wall_mounted = false,
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often_contains_mineral = false,
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dug_item = "",
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extra_dug_item = "",
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extra_dug_item_rarity = 2,
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metadata_name = "",
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liquidtype = "none",
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liquid_alternative_flowing = "",
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liquid_alternative_source = "",
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liquid_viscosity = 0,
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light_source = 0,
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damage_per_second = 0,
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selection_box = {type="regular"},
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material = {
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diggablity = "normal",
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weight = 0,
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crackiness = 0,
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crumbliness = 0,
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cuttability = 0,
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flammability = 0,
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},
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cookresult_item = "", -- Cannot be cooked
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furnace_cooktime = 3.0,
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furnace_burntime = -1, -- Cannot be used as fuel
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})
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minetest.register_node("air", {
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drawtype = "airlike",
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paramtype = "light",
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light_propagates = true,
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sunlight_propagates = true,
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walkable = false,
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pointable = false,
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diggable = false,
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buildable_to = true,
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air_equivalent = true,
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})
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minetest.register_node("ignore", {
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drawtype = "airlike",
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paramtype = "none",
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light_propagates = false,
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sunlight_propagates = false,
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walkable = false,
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pointable = false,
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diggable = false,
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buildable_to = true, -- A way to remove accidentally placed ignores
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air_equivalent = true,
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})
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--
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-- stackstring manipulation functions
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-- example stackstring: 'CraftItem "apple" 4'
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-- example item: {type="CraftItem", name="apple"}
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-- example item: {type="ToolItem", name="SteelPick", wear="23272"}
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--
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function stackstring_take_item(stackstring)
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if stackstring == nil then
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return '', nil
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end
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local stacktype = nil
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stacktype = string.match(stackstring,
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'([%a%d]+Item[%a%d]*)')
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if stacktype == "NodeItem" or stacktype == "CraftItem" then
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local itemtype = nil
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local itemname = nil
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local itemcount = nil
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itemtype, itemname, itemcount = string.match(stackstring,
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'([%a%d]+Item[%a%d]*) "([^"]*)" (%d+)')
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itemcount = tonumber(itemcount)
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if itemcount == 0 then
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return '', nil
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elseif itemcount == 1 then
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return '', {type=itemtype, name=itemname}
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else
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return itemtype.." \""..itemname.."\" "..(itemcount-1),
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{type=itemtype, name=itemname}
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end
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elseif stacktype == "ToolItem" then
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local itemtype = nil
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local itemname = nil
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local itemwear = nil
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itemtype, itemname, itemwear = string.match(stackstring,
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'([%a%d]+Item[%a%d]*) "([^"]*)" (%d+)')
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itemwear = tonumber(itemwear)
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return '', {type=itemtype, name=itemname, wear=itemwear}
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end
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end
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function stackstring_put_item(stackstring, item)
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if item == nil then
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return stackstring, false
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end
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stackstring = stackstring or ''
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local stacktype = nil
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stacktype = string.match(stackstring,
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'([%a%d]+Item[%a%d]*)')
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stacktype = stacktype or ''
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if stacktype ~= '' and stacktype ~= item.type then
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return stackstring, false
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end
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if item.type == "NodeItem" or item.type == "CraftItem" then
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local itemtype = nil
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local itemname = nil
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local itemcount = nil
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itemtype, itemname, itemcount = string.match(stackstring,
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'([%a%d]+Item[%a%d]*) "([^"]*)" (%d+)')
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itemtype = itemtype or item.type
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itemname = itemname or item.name
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if itemcount == nil then
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itemcount = 0
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end
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itemcount = itemcount + 1
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return itemtype.." \""..itemname.."\" "..itemcount, true
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elseif item.type == "ToolItem" then
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if stacktype ~= nil then
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return stackstring, false
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end
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local itemtype = nil
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local itemname = nil
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local itemwear = nil
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itemtype, itemname, itemwear = string.match(stackstring,
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'([%a%d]+Item[%a%d]*) "([^"]*)" (%d+)')
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itemwear = tonumber(itemwear)
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return itemtype.." \""..itemname.."\" "..itemwear, true
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end
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return stackstring, false
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end
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function stackstring_put_stackstring(stackstring, src)
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while src ~= '' do
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--print("src="..dump(src))
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src, item = stackstring_take_item(src)
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--print("src="..dump(src).." item="..dump(item))
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local success
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stackstring, success = stackstring_put_item(stackstring, item)
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if not success then
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return stackstring, false
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end
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end
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return stackstring, true
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end
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function test_stackstring()
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local stack
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local item
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local success
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stack, item = stackstring_take_item('NodeItem "TNT" 3')
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assert(stack == 'NodeItem "TNT" 2')
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assert(item.type == 'NodeItem')
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assert(item.name == 'TNT')
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stack, item = stackstring_take_item('CraftItem "with spaces" 2')
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assert(stack == 'CraftItem "with spaces" 1')
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assert(item.type == 'CraftItem')
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assert(item.name == 'with spaces')
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stack, item = stackstring_take_item('CraftItem "with spaces" 1')
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assert(stack == '')
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assert(item.type == 'CraftItem')
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assert(item.name == 'with spaces')
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stack, item = stackstring_take_item('CraftItem "s8df2kj3" 0')
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assert(stack == '')
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assert(item == nil)
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stack, item = stackstring_take_item('ToolItem "With Spaces" 32487')
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assert(stack == '')
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assert(item.type == 'ToolItem')
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assert(item.name == 'With Spaces')
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assert(item.wear == 32487)
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stack, success = stackstring_put_item('NodeItem "With Spaces" 40',
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{type='NodeItem', name='With Spaces'})
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assert(stack == 'NodeItem "With Spaces" 41')
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assert(success == true)
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stack, success = stackstring_put_item('CraftItem "With Spaces" 40',
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{type='CraftItem', name='With Spaces'})
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assert(stack == 'CraftItem "With Spaces" 41')
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assert(success == true)
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stack, success = stackstring_put_item('ToolItem "With Spaces" 32487',
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{type='ToolItem', name='With Spaces'})
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assert(stack == 'ToolItem "With Spaces" 32487')
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assert(success == false)
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stack, success = stackstring_put_item('NodeItem "With Spaces" 40',
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{type='ToolItem', name='With Spaces'})
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assert(stack == 'NodeItem "With Spaces" 40')
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assert(success == false)
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assert(stackstring_put_stackstring('NodeItem "With Spaces" 2',
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'NodeItem "With Spaces" 1') == 'NodeItem "With Spaces" 3')
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end
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test_stackstring()
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--
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-- Callback registration
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--
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function make_registration()
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local t = {}
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local registerfunc = function(func) table.insert(t, func) end
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return t, registerfunc
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end
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minetest.registered_on_chat_messages, minetest.register_on_chat_message = make_registration()
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minetest.registered_globalsteps, minetest.register_globalstep = make_registration()
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minetest.registered_on_placenodes, minetest.register_on_placenode = make_registration()
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minetest.registered_on_dignodes, minetest.register_on_dignode = make_registration()
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minetest.registered_on_punchnodes, minetest.register_on_punchnode = make_registration()
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minetest.registered_on_generateds, minetest.register_on_generated = make_registration()
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minetest.registered_on_newplayers, minetest.register_on_newplayer = make_registration()
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minetest.registered_on_respawnplayers, minetest.register_on_respawnplayer = make_registration()
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-- END
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