149 lines
4.3 KiB
Lua
149 lines
4.3 KiB
Lua
--[[
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TechAge
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=======
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Copyright (C) 2019-2020 Joachim Stolberg
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GPL v3
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See LICENSE.txt for more information
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Liquid lib
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]]--
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local M = minetest.get_meta
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local S = techage.S
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local P2S = minetest.pos_to_string
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local liquid = techage.liquid
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local LQD = function(pos) return (minetest.registered_nodes[techage.get_node_lvm(pos).name] or {}).liquid end
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local function help(x, y)
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local tooltip = S("To add liquids punch\nthe tank\nwith a liquid container")
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return "label["..x..","..y..";"..minetest.colorize("#000000", minetest.formspec_escape("[?]")).."]"..
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"tooltip["..x..","..y..";0.5,0.5;"..tooltip..";#0C3D32;#FFFFFF]"
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end
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function techage.liquid.formspec(pos, nvm)
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local title = S("Liquid Tank")
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local itemname = "techage:liquid"
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if nvm.liquid and nvm.liquid.amount and nvm.liquid.amount > 0 and nvm.liquid.name then
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itemname = nvm.liquid.name.." "..nvm.liquid.amount
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end
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return "size[5,3]"..
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default.gui_bg..
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default.gui_bg_img..
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default.gui_slots..
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"box[0,-0.1;4.8,0.5;#c6e8ff]"..
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"label[1.5,-0.1;"..minetest.colorize("#000000", title).."]"..
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help(4.4, -0.1)..
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techage.item_image(2, 1, itemname)
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end
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local function fill_container(pos, inv, empty_container)
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local nvm = techage.get_nvm(pos)
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nvm.liquid = nvm.liquid or {}
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nvm.liquid.amount = nvm.liquid.amount or 0
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local full_container = liquid.get_full_container(empty_container, nvm.liquid.name)
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if empty_container and full_container then
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local ldef = liquid.get_liquid_def(full_container)
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if ldef and nvm.liquid.amount - ldef.size >= 0 then
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if inv:room_for_item("dst", {name = full_container}) then
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inv:add_item("dst", {name = full_container})
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nvm.liquid.amount = nvm.liquid.amount - ldef.size
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if nvm.liquid.amount == 0 then
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nvm.liquid.name = nil
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end
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return true
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end
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end
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end
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-- undo
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inv:add_item("src", {name = empty_container})
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return false
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end
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local function empty_container(pos, inv, full_container)
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local nvm = techage.get_nvm(pos)
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nvm.liquid = nvm.liquid or {}
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nvm.liquid.amount = nvm.liquid.amount or 0
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local tank_size = LQD(pos).capa or 0
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local ldef = liquid.get_liquid_def(full_container)
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print("ldef", dump(ldef), "tank_size", tank_size)
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if ldef and (not nvm.liquid.name or ldef.inv_item == nvm.liquid.name) then
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if nvm.liquid.amount + ldef.size <= tank_size then
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if inv:room_for_item("dst", {name = ldef.container}) then
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inv:add_item("dst", {name = ldef.container})
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nvm.liquid.amount = nvm.liquid.amount + ldef.size
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nvm.liquid.name = ldef.inv_item
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return true
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end
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end
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end
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-- undo
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inv:add_item("src", {name = full_container})
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return false
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end
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--function techage.liquid.move_item(pos, stack, size, formspec)
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-- local nvm = techage.get_nvm(pos)
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-- local inv = M(pos):get_inventory()
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-- if liquid.is_container_empty(stack:get_name()) then
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-- fill_container(pos, inv)
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-- else
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-- empty_container(pos, inv, size)
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-- end
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-- M(pos):set_string("formspec", formspec(pos, nvm))
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--end
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function techage.liquid.is_empty(pos)
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local nvm = techage.get_nvm(pos)
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local inv = minetest.get_meta(pos):get_inventory()
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return inv:is_empty("src") and inv:is_empty("dst") and (not nvm.liquid or (nvm.liquid.amount or 0) == 0)
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end
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techage.liquid.tubing = {
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-- on_pull_item = function(pos, in_dir, num)
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-- local inv = M(pos):get_inventory()
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-- if not inv:is_empty("dst") then
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-- local taken = techage.get_items(inv, "dst", num)
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-- if not inv:is_empty("src") then
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-- fill_container(pos, inv)
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-- end
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-- return taken
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-- end
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-- end,
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-- on_push_item = function(pos, in_dir, stack)
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-- local inv = M(pos):get_inventory()
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-- if inv:room_for_item("src", stack) then
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-- inv:add_item("src", stack)
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-- if liquid.is_container_empty(stack:get_name()) then
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-- fill_container(pos, inv)
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-- else
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-- empty_container(pos, inv)
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-- end
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-- return true
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-- end
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-- return false
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-- end,
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-- on_unpull_item = function(pos, in_dir, stack)
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-- local meta = M(pos)
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-- local inv = meta:get_inventory()
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-- return techage.put_items(inv, "dst", stack)
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-- end,
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on_recv_message = function(pos, src, topic, payload)
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if topic == "load" then
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local nvm = techage.get_nvm(pos)
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return techage.power.percent(LQD(pos).capa, (nvm.liquid and nvm.liquid.amount) or 0)
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elseif topic == "size" then
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return LQD(pos).capa
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else
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return "unsupported"
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end
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end,
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}
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techage.liquid.fill_container = fill_container
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techage.liquid.empty_container = empty_container |