microexpansion/api.lua

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2017-02-09 07:08:29 +01:00
-- microexpansion/api.lua
local BASENAME = "microexpansion"
-- [local function] register recipe
local function register_recipe(output, recipe)
local function isint(n)
return n==math.floor(n)
end
local function getAmount()
if isint(recipe[2][1]) then
local q = recipe[2][1]
recipe[2][1] = nil
return q
else return 1 end
end
local function register(amount, recipe)
minetest.register_craft({
output = output.." "..amount,
recipe = recipe,
})
end
local function single()
register(getAmount(), recipe[2])
end
local function multiple()
for i, item in ipairs(recipe) do
if i == 0 then return end
register(getAmount(), recipe[i])
end
end
-- check type
if recipe[1] == "single" then single()
elseif recipe[1] == "multiple" then multiple()
else return microexpansion.log("invalid recipe for definition "..output..". "..dump(recipe[2])) end
end
-- [function] register item
function microexpansion.register_item(itemstring, def)
-- usedfor
if def.usedfor then
def.description = def.description .. "\nfor " .. def.usedfor
end
-- register craftitem
minetest.register_craftitem(BASENAME..":"..itemstring, {
description = def.description,
inventory_image = BASENAME.."_"..def.inventory_image..".png",
})
-- if recipe, register recipe
if def.recipe then
register_recipe(BASENAME..":"..itemstring, def.recipe)
end
end