elepower/elepower_machines/upgrading.lua
Evert Prants 9678da2e97
Alpha 12
2019-01-23 18:49:43 +02:00

82 lines
2.0 KiB
Lua

-- Convenience for i18n later on
elepm.upgrading = {
dict = {
machine_chip = "Machine Chip",
capacitor = "Capacitor",
pump_filter = "Pump Filter",
}
}
function elepm.handle_machine_upgrades (pos)
local meta = minetest.get_meta(pos)
local comps = meta:get_string("components")
local node = minetest.get_node(pos)
local nodedef = minetest.registered_nodes[node.name]
-- Deserialize component list
if comps ~= "" then
comps = minetest.deserialize(comps)
else
comps = {}
end
if nodedef.ele_upgrades then
for comp,vars in pairs(nodedef.ele_upgrades) do
for _,c in pairs(vars) do
if not comps[comp] then
-- If we're resetting capacity, set storage to max initial capacity
if c == "capacity" then
local abscap = nodedef.ele_capacity
local storage = meta:get_int("storage")
if storage > abscap then
storage = abscap
meta:set_int("storage", storage)
end
end
-- Set variable to zero in metadata
if meta:get_int(c) ~= 0 then
meta:set_int(c, 0)
end
else
local compdef = minetest.registered_items[comps[comp]]
local default = nodedef["ele_" .. c] or 1
local ulevel = minetest.get_item_group(comps[comp], comp) - 1
-- Only upgrade if present
if compdef and compdef.ele_upgrade and compdef.ele_upgrade[c] then
local task = compdef.ele_upgrade[c]
local final = default
if task.multiplier then
final = final + (default * task.multiplier * ulevel)
end
if task.add then
final = final + (task.add * ulevel)
end
if task.subtract then
final = final - (task.subtract * ulevel)
end
if task.divider then
final = final - (default * task.divider * ulevel)
end
if final <= 0 then final = 1 end
meta:set_int(c, math.abs(math.floor(final)))
end
end
end
end
end
local t = minetest.get_node_timer(pos)
if not t:is_started() then
t:start(1.0)
end
end