techage/basis/boiler_lib.lua

150 lines
4.2 KiB
Lua

--[[
TechAge
=======
Copyright (C) 2019-2020 Joachim Stolberg
AGPL v3
See LICENSE.txt for more information
Boiler common functions
]]--
-- for lazy programmers
local P = minetest.string_to_pos
local M = minetest.get_meta
local S = techage.S
local HEAT_STEP = 10
local MAX_WATER = 10
local BLOCKING_TIME = 0.3 -- 300ms
techage.boiler = {}
local IsWater = {
["bucket:bucket_river_water"] = true,
["bucket:bucket_water"] = true,
}
local IsBucket = {
["bucket:bucket_empty"] = true,
}
local function node_description(name)
name = string.split(name, " ")[1]
local ndef = minetest.registered_nodes[name] or minetest.registered_items[name] or minetest.registered_craftitems[name]
if ndef and ndef.description then
return minetest.formspec_escape(ndef.description)
end
return ""
end
local function item_image(x, y, itemname)
return "box["..x..","..y..";0.85,0.9;#808080]"..
"item_image["..x..","..y..";1,1;"..itemname.."]"
end
function techage.boiler.formspec(pos, nvm)
local title = S("Water Boiler")
local temp = nvm.temperature or 20
local ratio = nvm.power_ratio or 0
local tooltip = S("To add water punch\nthe boiler\nwith a water bucket")
return "size[5,3]"..
default.gui_bg..
default.gui_bg_img..
default.gui_slots..
"box[0,-0.1;4.8,0.5;#c6e8ff]"..
"label[1.5,-0.1;"..minetest.colorize("#000000", title).."]"..
item_image(1, 1.5, "default:water_source "..(nvm.num_water or 0))..
"tooltip[1,1.5;1,1;"..tooltip..";#0C3D32;#FFFFFF]"..
"image[3,1.0;1,2;techage_form_temp_bg.png^[lowpart:"..
temp..":techage_form_temp_fg.png]"..
"tooltip[3,1;1,2;"..S("water temperature")..";#0C3D32;#FFFFFF]"
end
function techage.boiler.water_temperature(pos, nvm)
nvm.temperature = nvm.temperature or 20
nvm.num_water = nvm.num_water or 0
nvm.water_level = nvm.water_level or 0
if nvm.fire_trigger then
nvm.temperature = math.min(nvm.temperature + HEAT_STEP, 100)
else
nvm.temperature = math.max(nvm.temperature - HEAT_STEP, 20)
end
nvm.fire_trigger = false
if nvm.water_level == 0 then
if nvm.num_water > 0 then
nvm.num_water = nvm.num_water - 1
nvm.water_level = 100
else
nvm.temperature = 20
end
end
return nvm.temperature
end
function techage.boiler.on_rightclick(pos, node, clicker)
techage.set_activeformspec(pos, clicker)
local nvm = techage.get_nvm(pos)
M(pos):set_string("formspec", techage.boiler.formspec(pos, nvm))
end
function techage.boiler.can_dig(pos, player)
local nvm = techage.get_nvm(pos)
nvm.num_water = nvm.num_water or 0
return nvm.num_water == 0
end
local function space_in_inventory(wielded_item, item_count, puncher)
-- check if holding more than 1 empty container
if item_count > 1 then
local inv = puncher:get_inventory()
local item = ItemStack({name=wielded_item, count = item_count - 1})
if inv:room_for_item("main", item) then
inv:add_item("main", item)
return true
end
return false
end
return true
end
function techage.boiler.on_punch(pos, node, puncher, pointed_thing)
local nvm = techage.get_nvm(pos)
local mem = techage.get_mem(pos)
mem.blocking_time = mem.blocking_time or 0
if mem.blocking_time > techage.SystemTime then
return
end
nvm.num_water = nvm.num_water or 0
local wielded_item = puncher:get_wielded_item():get_name()
local item_count = puncher:get_wielded_item():get_count()
if IsWater[wielded_item] and nvm.num_water < MAX_WATER then
mem.blocking_time = techage.SystemTime + BLOCKING_TIME
nvm.num_water = nvm.num_water + 1
puncher:set_wielded_item(ItemStack("bucket:bucket_empty"))
M(pos):set_string("formspec", techage.boiler.formspec(pos, nvm))
elseif IsBucket[wielded_item] and nvm.num_water > 0 then
if item_count > 1 then
local inv = puncher:get_inventory()
local item = ItemStack("bucket:bucket_water")
if inv:room_for_item("main", item) then
inv:add_item("main", item)
puncher:set_wielded_item({name=wielded_item, count = item_count - 1})
mem.blocking_time = techage.SystemTime + BLOCKING_TIME
nvm.num_water = nvm.num_water - 1
end
else
mem.blocking_time = techage.SystemTime + BLOCKING_TIME
nvm.num_water = nvm.num_water - 1
puncher:set_wielded_item(ItemStack("bucket:bucket_water"))
end
M(pos):set_string("formspec", techage.boiler.formspec(pos, nvm))
end
end