362 lines
14 KiB
Lua
362 lines
14 KiB
Lua
local modpath = minetest.get_modpath("mcl_enchanting")
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local S = minetest.get_translator("mcl_enchanting")
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mcl_enchanting = {
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book_offset = vector.new(0, 0.75, 0),
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book_animations = {["close"] = 1, ["opening"] = 2, ["open"] = 3, ["closing"] = 4},
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book_animation_steps = {0, 640, 680, 700, 740},
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book_animation_loop = {["open"] = true, ["close"] = true},
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book_animation_speed = 40,
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roman_numerals = dofile(modpath .. "/roman_numerals.lua"), -- https://exercism.io/tracks/lua/exercises/roman-numerals/solutions/73c2fb7521e347209312d115f872fa49
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enchantments = {},
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overlay = "^[colorize:purple:50",
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--overlay = "^[invert:rgb^[multiply:#4df44d:50^[invert:rgb",
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enchanting_lists = {"enchanting", "enchanting_item", "enchanting_lapis"},
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bookshelf_positions = {
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{x = -2, y = 0, z = -2}, {x = -2, y = 1, z = -2},
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{x = -1, y = 0, z = -2}, {x = -1, y = 1, z = -2},
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{x = 0, y = 0, z = -2}, {x = 0, y = 1, z = -2},
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{x = 1, y = 0, z = -2}, {x = 1, y = 1, z = -2},
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{x = 2, y = 0, z = -2}, {x = 2, y = 1, z = -2},
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{x = -2, y = 0, z = 2}, {x = -2, y = 1, z = 2},
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{x = -1, y = 0, z = 2}, {x = -1, y = 1, z = 2},
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{x = 0, y = 0, z = 2}, {x = 0, y = 1, z = 2},
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{x = 1, y = 0, z = 2}, {x = 1, y = 1, z = 2},
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{x = 2, y = 0, z = 2}, {x = 2, y = 1, z = 2},
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-- {x = -2, y = 0, z = -2}, {x = -2, y = 1, z = -2},
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{x = -2, y = 0, z = -1}, {x = -2, y = 1, z = -1},
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{x = -2, y = 0, z = 0}, {x = -2, y = 1, z = 0},
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{x = -2, y = 0, z = 1}, {x = -2, y = 1, z = 1},
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-- {x = -2, y = 0, z = 2}, {x = -2, y = 1, z = 2},
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-- {x = 2, y = 0, z = -2}, {x = 2, y = 1, z = -2},
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{x = 2, y = 0, z = -1}, {x = 2, y = 1, z = -1},
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{x = 2, y = 0, z = 0}, {x = 2, y = 1, z = 0},
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{x = 2, y = 0, z = 1}, {x = 2, y = 1, z = 1},
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-- {x = 2, y = 0, z = 2}, {x = 2, y = 1, z = 2},
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},
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air_positions = {
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{x = -1, y = 0, z = -1}, {x = -1, y = 1, z = -1},
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{x = -1, y = 0, z = -1}, {x = -1, y = 1, z = -1},
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{x = 0, y = 0, z = -1}, {x = 0, y = 1, z = -1},
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{x = 1, y = 0, z = -1}, {x = 1, y = 1, z = -1},
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{x = 1, y = 0, z = -1}, {x = 1, y = 1, z = -1},
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{x = -1, y = 0, z = 1}, {x = -1, y = 1, z = 1},
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{x = -1, y = 0, z = 1}, {x = -1, y = 1, z = 1},
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{x = 0, y = 0, z = 1}, {x = 0, y = 1, z = 1},
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{x = 1, y = 0, z = 1}, {x = 1, y = 1, z = 1},
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{x = 1, y = 0, z = 1}, {x = 1, y = 1, z = 1},
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-- {x = -1, y = 0, z = -1}, {x = -1, y = 1, z = -1},
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{x = -1, y = 0, z = -1}, {x = -1, y = 1, z = -1},
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{x = -1, y = 0, z = 0}, {x = -1, y = 1, z = 0},
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{x = -1, y = 0, z = 1}, {x = -1, y = 1, z = 1},
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-- {x = -1, y = 0, z = 1}, {x = -1, y = 1, z = 1},
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-- {x = 1, y = 0, z = -1}, {x = 1, y = 1, z = -1},
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{x = 1, y = 0, z = -1}, {x = 1, y = 1, z = -1},
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{x = 1, y = 0, z = 0}, {x = 1, y = 1, z = 0},
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{x = 1, y = 0, z = 1}, {x = 1, y = 1, z = 1},
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-- {x = 1, y = 0, z = 1}, {x = 1, y = 1, z = 1},
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},
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}
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dofile(modpath .. "/engine.lua")
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dofile(modpath .. "/enchantments.lua")
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minetest.register_chatcommand("enchant", {
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description = S("Enchant an item"),
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params = S("<player> <enchantment> [<level>]"),
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privs = {give = true},
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func = function(_, param)
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local sparam = param:split(" ")
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local target_name = sparam[1]
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local enchantment = sparam[2]
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local level_str = sparam[3]
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local level = tonumber(level_str or "1")
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if not target_name or not enchantment then
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return false, S("Usage: /enchant <player> <enchantment> [<level>]")
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end
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local target = minetest.get_player_by_name(target_name)
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if not target then
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return false, S("Player '@1' cannot be found.", target_name)
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end
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local itemstack = target:get_wielded_item()
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local can_enchant, errorstring, extra_info = mcl_enchanting.can_enchant(itemstack, enchantment, level)
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if not can_enchant then
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if errorstring == "enchantment invalid" then
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return false, S("There is no such enchantment '@1'.", enchantment)
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elseif errorstring == "item missing" then
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return false, S("The target doesn't hold an item.")
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elseif errorstring == "item not supported" then
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return false, S("The selected enchantment can't be added to the target item.")
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elseif errorstring == "level invalid" then
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return false, S("'@1' is not a valid number", level_str)
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elseif errorstring == "level too high" then
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return false, S("The number you have entered (@1) is too big, it must be at most @2.", level_str, extra_info)
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elseif errorstring == "level too small" then
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return false, S("The number you have entered (@1) is too small, it must be at least @2.", level_str, extra_info)
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elseif errorstring == "incompatible" then
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return false, S("@1 can't be combined with @2.", mcl_enchanting.get_enchantment_description(enchantment, level), extra_info)
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end
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else
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target:set_wielded_item(mcl_enchanting.enchant(itemstack, enchantment, level))
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return true, S("Enchanting succeded.")
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end
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end
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})
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minetest.register_chatcommand("forceenchant", {
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description = S("Forcefully enchant an item"),
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params = S("<player> <enchantment> [<level>]"),
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privs = {give = true},
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func = function(_, param)
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local sparam = param:split(" ")
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local target_name = sparam[1]
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local enchantment = sparam[2]
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local level_str = sparam[3]
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local level = tonumber(level_str or "1")
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if not target_name or not enchantment then
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return false, S("Usage: /forceenchant <player> <enchantment> [<level>]")
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end
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local target = minetest.get_player_by_name(target_name)
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if not target then
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return false, S("Player '@1' cannot be found.", target_name)
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end
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local itemstack = target:get_wielded_item()
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local can_enchant, errorstring, extra_info = mcl_enchanting.can_enchant(itemstack, enchantment, level)
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if errorstring == "enchantment invalid" then
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return false, S("There is no such enchantment '@1'.", enchantment)
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elseif errorstring == "item missing" then
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return false, S("The target doesn't hold an item.")
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elseif errorstring == "item not supported" and not mcl_enchanting.is_enchantable(itemstack:get_name()) then
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return false, S("The target item is not enchantable.")
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elseif errorstring == "level invalid" then
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return false, S("'@1' is not a valid number.", level_str)
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else
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target:set_wielded_item(mcl_enchanting.enchant(itemstack, enchantment, level))
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return true, S("Enchanting succeded.")
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end
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end
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})
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minetest.register_craftitem("mcl_enchanting:book_enchanted", {
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description = S("Enchanted Book"),
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inventory_image = "mcl_enchanting_book_enchanted.png" .. mcl_enchanting.overlay,
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groups = {enchanted = 1, not_in_creative_inventory = 1, enchantability = 1},
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_mcl_enchanting_enchanted_tool = "mcl_enchanting:book_enchanted",
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stack_max = 1,
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})
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minetest.register_alias("mcl_books:book_enchanted", "mcl_enchanting:book_enchanted")
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local spawn_book_entity = function(pos, respawn)
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if respawn then
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-- Check if we already have a book
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local objs = minetest.get_objects_inside_radius(pos, 1)
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for o=1, #objs do
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local obj = objs[o]
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local lua = obj:get_luaentity()
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if lua and lua.name == "mcl_enchanting:book" then
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if lua._table_pos and vector.equals(pos, lua._table_pos) then
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return
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end
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end
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end
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end
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local obj = minetest.add_entity(vector.add(pos, mcl_enchanting.book_offset), "mcl_enchanting:book")
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if obj then
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local lua = obj:get_luaentity()
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if lua then
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lua._table_pos = table.copy(pos)
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end
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end
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end
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minetest.register_entity("mcl_enchanting:book", {
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initial_properties = {
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visual = "mesh",
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mesh = "mcl_enchanting_book.b3d",
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visual_size = {x = 12.5, y = 12.5},
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collisionbox = {0, 0, 0},
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pointable = false,
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physical = false,
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textures = {"mcl_enchanting_book_entity.png"},
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static_save = false,
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},
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_player_near = false,
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_table_pos = nil,
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on_activate = function(self, staticdata)
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self.object:set_armor_groups({immortal = 1})
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mcl_enchanting.set_book_animation(self, "close")
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end,
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on_step = function(self, dtime)
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local old_player_near = self._player_near
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local player_near = false
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local player
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for _, obj in ipairs(minetest.get_objects_inside_radius(vector.subtract(self.object:get_pos(), mcl_enchanting.book_offset), 2.5)) do
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if obj:is_player() then
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player_near = true
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player = obj
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end
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end
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if player_near and not old_player_near then
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mcl_enchanting.set_book_animation(self, "opening")
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mcl_enchanting.schedule_book_animation(self, "open")
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elseif old_player_near and not player_near then
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mcl_enchanting.set_book_animation(self, "closing")
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mcl_enchanting.schedule_book_animation(self, "close")
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end
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if player then
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mcl_enchanting.look_at(self, player:get_pos())
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end
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self._player_near = player_near
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mcl_enchanting.check_animation_schedule(self, dtime)
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end,
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})
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local rotate
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if minetest.get_modpath("screwdriver") then
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rotate = screwdriver.rotate_simple
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end
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minetest.register_node("mcl_enchanting:table", {
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description = S("Enchanting Table"),
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_tt_help = S("Spend experience, and lapis to enchant various items."),
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_doc_items_longdesc = S("Enchanting Tables will let you enchant armors, tools, weapons, and books with various abilities. But, at the cost of some experience, and lapis lazuli."),
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_doc_items_usagehelp =
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S("Rightclick the Enchanting Table to open the enchanting menu.").."\n"..
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S("Place a tool, armor, weapon or book into the top left slot, and then place 1-3 Lapis Lazuli in the slot to the right.").."\n".."\n"..
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S("After placing your items in the slots, the enchanting options will be shown. Hover over the options to read what is available to you.").."\n"..
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S("These options are randomized, and dependent on experience level; but the enchantment strength can be increased.").."\n".."\n"..
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S("To increase the enchantment strength, place bookshelves around the enchanting table. However, you will need to keep 1 air node between the table, & the bookshelves to empower the enchanting table.").."\n".."\n"..
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S("After finally selecting your enchantment; left-click on the selection, and you will see both the lapis lazuli and your experience levels consumed. And, an enchanted item left in its place."),
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_doc_items_hidden = false,
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drawtype = "nodebox",
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tiles = {"mcl_enchanting_table_top.png", "mcl_enchanting_table_bottom.png", "mcl_enchanting_table_side.png", "mcl_enchanting_table_side.png", "mcl_enchanting_table_side.png", "mcl_enchanting_table_side.png"},
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node_box = {
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type = "fixed",
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fixed = {-0.5, -0.5, -0.5, 0.5, 0.25, 0.5},
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},
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sounds = mcl_sounds.node_sound_stone_defaults(),
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groups = {pickaxey = 2, deco_block = 1},
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on_rotate = rotate,
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on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
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local player_meta = clicker:get_meta()
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local table_meta = minetest.get_meta(pos)
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local num_bookshelves = table_meta:get_int("mcl_enchanting:num_bookshelves")
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local table_name = table_meta:get_string("name")
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if table_name == "" then
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table_name = S("Enchant")
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end
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local bookshelves = mcl_enchanting.get_bookshelves(pos)
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player_meta:set_int("mcl_enchanting:num_bookshelves", math.min(15, #bookshelves))
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player_meta:set_string("mcl_enchanting:table_name", table_name)
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mcl_enchanting.show_enchanting_formspec(clicker)
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-- Respawn book entity just in case it got lost
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spawn_book_entity(pos, true)
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end,
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on_construct = function(pos)
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spawn_book_entity(pos)
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end,
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after_dig_node = function(pos, oldnode, oldmetadata, digger)
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local dname = (digger and digger:get_player_name()) or ""
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if minetest.is_creative_enabled(dname) then
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return
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end
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local itemstack = ItemStack("mcl_enchanting:table")
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local meta = minetest.get_meta(pos)
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local itemmeta = itemstack:get_meta()
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itemmeta:set_string("name", meta:get_string("name"))
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itemmeta:set_string("description", meta:get_string("description"))
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minetest.add_item(pos, itemstack)
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end,
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after_place_node = function(pos, placer, itemstack, pointed_thing)
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local meta = minetest.get_meta(pos)
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local itemmeta = itemstack:get_meta()
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meta:set_string("name", itemmeta:get_string("name"))
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meta:set_string("description", itemmeta:get_string("description"))
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end,
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after_destruct = function(pos)
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local objs = minetest.get_objects_inside_radius(pos, 1)
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for o=1, #objs do
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local obj = objs[o]
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local lua = obj:get_luaentity()
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if lua and lua.name == "mcl_enchanting:book" then
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if lua._table_pos and vector.equals(pos, lua._table_pos) then
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obj:remove()
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end
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end
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end
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end,
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drop = "",
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_mcl_blast_resistance = 1200,
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_mcl_hardness = 5,
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})
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minetest.register_craft({
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output = "mcl_enchanting:table",
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recipe = {
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{"", "mcl_books:book", ""},
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{"mcl_core:diamond", "mcl_core:obsidian", "mcl_core:diamond"},
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{"mcl_core:obsidian", "mcl_core:obsidian", "mcl_core:obsidian"}
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}
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})
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minetest.register_abm({
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label = "Enchanting table bookshelf particles",
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interval = 1,
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chance = 1,
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nodenames = "mcl_enchanting:table",
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action = function(pos)
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local playernames = {}
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for _, obj in ipairs(minetest.get_objects_inside_radius(pos, 15)) do
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if obj:is_player() then
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table.insert(playernames, obj:get_player_name())
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end
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end
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if #playernames < 1 then
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return
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end
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local absolute, relative = mcl_enchanting.get_bookshelves(pos)
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for i, ap in ipairs(absolute) do
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if math.random(5) == 1 then
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local rp = relative[i]
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local t = math.random()+1 --time
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local d = {x = rp.x, y=rp.y-0.7, z=rp.z} --distance
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local v = {x = -math.random()*d.x, y = math.random(), z = -math.random()*d.z} --velocity
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local a = {x = 2*(-v.x*t - d.x)/t/t, y = 2*(-v.y*t - d.y)/t/t, z = 2*(-v.z*t - d.z)/t/t} --acceleration
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local s = math.random()+0.9 --size
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t = t - 0.1 --slightly decrease time to avoid texture overlappings
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local tx = "mcl_enchanting_glyph_" .. math.random(18) .. ".png"
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for _, name in pairs(playernames) do
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minetest.add_particle({
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pos = ap,
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velocity = v,
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acceleration = a,
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expirationtime = t,
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size = s,
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texture = tx,
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collisiondetection = false,
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playername = name
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})
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end
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end
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end
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end
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})
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minetest.register_lbm({
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label = "(Re-)spawn book entity above enchanting table",
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name = "mcl_enchanting:spawn_book_entity",
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nodenames = {"mcl_enchanting:table"},
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run_at_every_load = true,
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action = function(pos)
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spawn_book_entity(pos)
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end,
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})
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minetest.register_on_mods_loaded(mcl_enchanting.initialize)
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minetest.register_on_joinplayer(mcl_enchanting.initialize_player)
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minetest.register_on_player_receive_fields(mcl_enchanting.handle_formspec_fields)
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minetest.register_allow_player_inventory_action(mcl_enchanting.allow_inventory_action)
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minetest.register_on_player_inventory_action(mcl_enchanting.on_inventory_action)
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table.insert(tt.registered_snippets, 1, mcl_enchanting.enchantments_snippet)
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