forked from VoxeLibre/VoxeLibre
247 lines
8.4 KiB
Lua
247 lines
8.4 KiB
Lua
function mcl_enchanting.get_enchantments(itemstack)
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return minetest.deserialize(itemstack:get_meta():get_string("mcl_enchanting:enchantments")) or {}
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end
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function mcl_enchanting.set_enchantments(itemstack, enchantments)
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itemstack:get_meta():set_string("mcl_enchanting:enchantments", minetest.serialize(enchantments))
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local itemdef = itemstack:get_definition()
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if itemstack:get_name() ~= "mcl_enchanting:book_enchanted" then
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if itemdef.tool_capabilities then
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itemstack:get_meta():set_tool_capabilities(itemdef.tool_capabilities)
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end
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for enchantment, level in pairs(enchantments) do
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local enchantment_def = mcl_enchanting.enchantments[enchantment]
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if enchantment_def.on_enchant then
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enchantment_def.on_enchant(itemstack, level)
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end
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end
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end
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tt.reload_itemstack_description(itemstack)
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end
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function mcl_enchanting.get_enchantment(itemstack, enchantment)
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if itemstack:get_name() == "mcl_enchanting:book_enchanted" then
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return 0
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end
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return mcl_enchanting.get_enchantments(itemstack)[enchantment] or 0
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end
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function mcl_enchanting.has_enchantment(itemstack, enchantment)
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return mcl_enchanting.get_enchantment(itemstack, enchantment) > 0
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end
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function mcl_enchanting.get_enchantment_description(enchantment, level)
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local enchantment_def = mcl_enchanting.enchantments[enchantment]
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return enchantment_def.name .. (enchantment_def.max_level == 1 and "" or " " .. mcl_enchanting.roman_numerals.toRoman(level))
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end
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function mcl_enchanting.get_colorized_enchantment_description(enchantment, level)
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return minetest.colorize(mcl_enchanting.enchantments[enchantment].curse and "#FC5454" or "#A8A8A8", mcl_enchanting.get_enchantment_description(enchantment, level))
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end
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function mcl_enchanting.get_enchanted_itemstring(itemname)
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local def = minetest.registered_items[itemname]
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return def and def._mcl_enchanting_enchanted_tool
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end
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function mcl_enchanting.is_enchanted_def(itemname)
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return minetest.get_item_group(itemname, "enchanted") > 0
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end
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function mcl_enchanting.is_enchanted(itemstack)
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return mcl_enchanting.is_enchanted_def(itemstack:get_name())
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end
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function mcl_enchanting.item_supports_enchantment(itemname, enchantment, early)
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if itemname == "mcl_enchanting:book_enchanted" then
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return true, true
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end
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if not early and not mcl_enchanting.get_enchanted_itemstring(itemname) then
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return false
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end
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local enchantment_def = mcl_enchanting.enchantments[enchantment]
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local itemdef = minetest.registered_items[itemname]
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if itemdef.type ~= "tool" and enchantment_def.requires_tool then
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return false
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end
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for disallow in pairs(enchantment_def.disallow) do
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if minetest.get_item_group(itemname, disallow) > 0 then
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return false
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end
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end
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for group in pairs(enchantment_def.primary) do
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if minetest.get_item_group(itemname, group) > 0 then
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return true, true
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end
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end
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for group in pairs(enchantment_def.secondary) do
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if minetest.get_item_group(itemname, group) > 0 then
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return true, false
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end
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end
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return false
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end
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function mcl_enchanting.can_enchant(itemstack, enchantment, level)
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local enchantment_def = mcl_enchanting.enchantments[enchantment]
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if not enchantment_def then
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return false, "enchantment invalid"
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end
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local itemname = itemstack:get_name()
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if itemname == "" then
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return false, "item missing"
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end
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if not mcl_enchanting.item_supports_enchantment(itemstack:get_name(), enchantment) then
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return false, "item not supported"
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end
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if not level then
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return false, "level invalid"
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end
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if level > enchantment_def.max_level then
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return false, "level too high", enchantment_def.max_level
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elseif level < 1 then
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return false, "level too small", 1
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end
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local item_enchantments = mcl_enchanting.get_enchantments(itemstack)
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local enchantment_level = item_enchantments[enchantment]
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if enchantment_level then
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return false, "incompatible", mcl_enchanting.get_enchantment_description(enchantment, enchantment_level)
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end
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if itemname ~= "mcl_enchanting:book_enchanted" then
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for incompatible in pairs(enchantment_def.incompatible) do
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local incompatible_level = item_enchantments[incompatible]
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if incompatible_level then
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return false, "incompatible", mcl_enchanting.get_enchantment_description(incompatible, incompatible_level)
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end
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end
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end
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return true
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end
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function mcl_enchanting.enchant(itemstack, enchantment, level)
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itemstack:set_name(mcl_enchanting.get_enchanted_itemstring(itemstack:get_name()))
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local enchantments = mcl_enchanting.get_enchantments(itemstack)
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enchantments[enchantment] = level
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mcl_enchanting.set_enchantments(itemstack, enchantments)
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return itemstack
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end
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function mcl_enchanting.combine(itemstack, combine_with)
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local itemname = itemstack:get_name()
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local combine_name = combine_with:get_name()
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local enchanted_itemname = mcl_enchanting.get_enchanted_itemstring(itemname)
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if enchanted_itemname ~= mcl_enchanting.get_enchanted_itemstring(combine_name) and combine_name ~= "mcl_enchanting:book_enchanted" then
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return false
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end
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local enchantments = mcl_enchanting.get_enchantments(itemstack)
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for enchantment, combine_level in pairs(mcl_enchanting.get_enchantments(combine_with)) do
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local enchantment_def = mcl_enchanting.enchantments[enchantment]
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local enchantment_level = enchantments[enchantment]
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if enchantment_level then
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if enchantment_level == combine_level then
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enchantment_level = math.min(enchantment_level + 1, enchantment_def.max_level)
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else
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enchantment_level = math.max(enchantment_level, combine_level)
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end
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elseif mcl_enchanting.item_supports_enchantment(itemname, enchantment) then
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local supported = true
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for incompatible in pairs(enchantment_def.incompatible) do
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if enchantments[incompatible] then
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supported = false
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break
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end
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end
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if supported then
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enchantment_level = combine_level
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end
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end
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if enchantment_level and enchantment_level > 0 then
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enchantments[enchantment] = enchantment_level
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end
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end
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local any_enchantment = false
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for enchantment, enchantment_level in pairs(enchantments) do
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if enchantment_level > 0 then
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any_enchantment = true
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break
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end
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end
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if any_enchantment then
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itemstack:set_name(enchanted_itemname)
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end
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mcl_enchanting.set_enchantments(itemstack, enchantments)
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return true
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end
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function mcl_enchanting.initialize()
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local all_groups = {}
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local weighted = {}
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local accum_weight = 0
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for enchantment, enchantment_def in pairs(mcl_enchanting.enchantments) do
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accum_weight = accum_weight + enchantment_def.weight
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weighted[#weighted + 1] = {enchantment = enchantment, weight = accum_weight}
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for primary in pairs(enchantment_def.primary) do
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all_groups[primary] = true
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end
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for secondary in pairs(enchantment_def.secondary) do
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all_groups[secondary] = true
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end
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end
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mcl_enchanting.accumulated_weight = accum_weight
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mcl_enchanting.accumulated_weight = weighted
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local register_tool_list = {}
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local register_item_list = {}
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for itemname, itemdef in pairs(minetest.registered_items) do
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if itemdef.groups.enchanted then
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break
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end
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local quick_test = false
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for group, groupv in pairs(itemdef.groups) do
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if groupv > 0 and all_groups[group] then
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quick_test = true
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break
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end
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end
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if quick_test then
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if mcl_enchanting.debug then
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print(itemname)
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end
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local expensive_test = false
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for enchantment in pairs(mcl_enchanting.enchantments) do
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if mcl_enchanting.item_supports_enchantment(itemname, enchantment, true) then
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expensive_test = true
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if mcl_enchanting.debug then
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print("\tSupports " .. enchantment)
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else
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break
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end
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end
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end
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if expensive_test then
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local new_name = itemname .. "_enchanted"
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minetest.override_item(itemname, {_mcl_enchanting_enchanted_tool = new_name})
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local new_def = table.copy(itemdef)
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new_def.inventory_image = itemdef.inventory_image .. "^[colorize:white:50^[colorize:purple:50"
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if new_def.wield_image then
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new_def.wield_image = new_def.wield_image .. "^[colorize:white:50^[colorize:purple:50"
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end
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new_def.groups.not_in_creative_inventory = 1
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new_def.groups.enchanted = 1
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new_def.texture = itemdef.texture or itemname:gsub("%:", "_")
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new_def._mcl_enchanting_enchanted_tool = new_name
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local register_list = register_item_list
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if itemdef.type == "tool" then
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register_list = register_tool_list
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end
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register_list[":" .. new_name] = new_def
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end
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end
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end
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for new_name, new_def in pairs(register_item_list) do
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minetest.register_craftitem(new_name, new_def)
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end
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for new_name, new_def in pairs(register_tool_list) do
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minetest.register_tool(new_name, new_def)
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end
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end
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