minetest-mm/mods/moreblocks/redefinitions.lua

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--[[
More Blocks: redefinitions of default stuff
Copyright © 2011-2020 Hugo Locurcio and contributors.
Licensed under the zlib license. See LICENSE.md for more information.
--]]
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local modname = minetest.get_current_modname()
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-- Redefine some of the default crafting recipes to be more productive
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-- Auxiliary function: take a recipe as returned by get_all_craft_recipes
-- and turn it into a table that can be used to clear a craft or declare a new one
local reconstruct_internal_craft = function(recipe)
local recp = {
{ "", "", "" },
{ "", "", "" },
{ "", "", "" },
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}
local width = recipe.width
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for idx, item in pairs(recipe.items) do
local row = math.ceil(idx / width)
local col = idx - (row-1)*width
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recp[row][col] = item
end
return recp
end
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-- Change the amount produced by recipe by apply func to the old amount
local change_recipe_amount = function(product, recipe, func)
-- if width == 0, this is a shapeless recipe, for which the
-- internal and Lua API recipe table is the same.
-- Otherwise we need to reconstruct the table for the shaped recipe.
local shapeless = (recipe.width == 0)
local recp = shapeless and recipe.items or reconstruct_internal_craft(recipe)
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local oldamount = tonumber(recipe.output:match(" [0-9]+$") or "1")
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local newamount = func(oldamount)
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-- remove old crafting recipe
local redo = { recipe = recp }
-- preserve shapelessness
if shapeless then
redo.type = "shapeless"
end
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minetest.clear_craft(redo)
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-- new output
redo.output = ("%s %d"):format(product, newamount)
minetest.register_craft(redo)
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minetest.log("action", ("[MOD]%s: recipe for %s production: %d => %d"):format(modname, product, oldamount, newamount))
end
local increase_craft_production = function(product, func)
local recipes = minetest.get_all_craft_recipes(product)
for _, r in pairs(recipes) do
if r.type == "normal" or r.method == "normal" then
change_recipe_amount(product, r, func)
end
end
end
-- Increase the crafting production according to the rules from the table, which is in the form:
-- {
-- { detector, amount changing function }
-- { detector, amount changing function }
-- }
-- TODO: consider exporting this function to other mods
local increase_craft_production_table = function(map_table)
for product, _ in pairs(minetest.registered_items) do
for _, tab in pairs(map_table) do
local detector = tab[1]
local func = tab[2]
if detector(product) then
increase_craft_production(product, func)
-- only apply one boost
break
end
end
end
end
increase_craft_production_table({
{ function(n) return n:match('^default:sign_wall') end, function(old) return old + 1 end },
{ function(n) return n == 'default:paper' end, function(old) return old*4 end },
{ function(n) return n:match('^carts:.*rail$') or n:match('^default:.*rail$') end, function(old) return old + old/2 end },
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})
minetest.register_craft({
type = "toolrepair",
additional_wear = -0.10, -- Tool repair buff (10% bonus instead of 2%).
})