mods that hopefully work for a TechAge-based pack

mods/techage_modpack/techage/solar/minicell.lua

@@ -0,0 +1,171 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019-2022 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	TA4 Streetlamp Solar Cell
+
+]]--
+
+-- for lazy programmers
+local P = minetest.string_to_pos
+local M = minetest.get_meta
+local S = techage.S
+
+local CYCLE_TIME = 2
+local PWR_PERF = 1
+local PWR_CAPA = 2400 -- ticks (2s) with 1 ku ==> 80 min = 4 game days
+
+local Cable = techage.ElectricCable
+local power = networks.power
+local control = networks.control
+
+local function node_timer(pos, elapsed)
+	local nvm = techage.get_nvm(pos)
+	nvm.capa = nvm.capa or 0
+	pos.y = pos.y + 1
+	local light = minetest.get_node_light(pos) or 0
+	local t = minetest.get_timeofday()
+	pos.y = pos.y - 1
+
+	if t > 0.25 and t < 0.75 then
+		if nvm.providing then
+			nvm.providing = false
+			nvm.provided = 0
+		end
+		if light >= (minetest.LIGHT_MAX - 1) then
+			nvm.capa = math.min(nvm.capa + PWR_PERF * 1.2, PWR_CAPA)
+		end
+	else
+		if nvm.capa > 0 then
+			if not nvm.providing then
+				power.start_storage_calc(pos, Cable, 5)
+				nvm.providing = true
+			else
+				nvm.provided = power.provide_power(pos, Cable, 5, PWR_PERF, 0.8, 1.0)
+				nvm.capa = nvm.capa - nvm.provided
+			end
+		else
+			power.start_storage_calc(pos, Cable, 5)
+			nvm.providing = false
+			nvm.provided = 0
+			nvm.capa = 0
+		end
+	end
+	return true
+end
+
+local function after_place_node(pos)
+	local meta = M(pos)
+	local number = techage.add_node(pos, "techage:ta4_solar_minicell")
+	meta:set_string("node_number", number)
+	meta:set_string("infotext", S("TA4 Streetlamp Solar Cell").." "..number)
+	local nvm = techage.get_nvm(pos)
+	nvm.capa = 0
+	nvm.providing = false
+	minetest.get_node_timer(pos):start(CYCLE_TIME)
+	Cable:after_place_node(pos)
+end
+
+local function after_dig_node(pos, oldnode, oldmetadata)
+	Cable:after_dig_node(pos)
+	techage.remove_node(pos, oldnode, oldmetadata)
+	techage.del_mem(pos)
+end
+
+minetest.register_node("techage:ta4_solar_minicell", {
+	description = S("TA4 Streetlamp Solar Cell"),
+	tiles = {
+		-- up, down, right, left, back, front
+		"techage_solar_cell_mini_top.png",
+		"techage_solar_cell_mini_bottom.png",
+		"techage_solar_cell_mini_side.png",
+	},
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{-14/32, -8/32, -14/32,  14/32, -6/32, 14/32},
+			{-7/32, -16/32, -7/32,  7/32, -8/32, 7/32},
+		},
+	},
+	paramtype2 = "facedir",
+	groups = {cracky=2, crumbly=2, choppy=2},
+	is_ground_content = false,
+	use_texture_alpha = techage.CLIP,
+
+	after_place_node = after_place_node,
+	after_dig_node = after_dig_node,
+	on_timer = node_timer,
+})
+
+power.register_nodes({"techage:ta4_solar_minicell"}, Cable, "gen", {"D"})
+
+control.register_nodes({"techage:ta4_solar_minicell"}, {
+		on_receive = function(pos, tlib2, topic, payload)
+		end,
+		on_request = function(pos, tlib2, topic)
+			if topic == "info" then
+				local nvm = techage.get_nvm(pos)
+				local meta = M(pos)
+				return {
+					type = S("TA4 Streetlamp Solar Cell"),
+					number = meta:get_string("node_number") or "",
+					running = nvm.providing or false,
+					available = PWR_PERF,
+					provided = nvm.provided or 0,
+					termpoint = "80% - 100%",
+				}
+			end
+			return false
+		end,
+	}
+)
+
+techage.register_node({"techage:ta4_solar_minicell"}, {
+	on_recv_message = function(pos, src, topic, payload)
+		local nvm = techage.get_nvm(pos)
+		if topic == "state" then
+			if nvm.providing then
+				return "discharging"
+			elseif (nvm.capa or 0) > 0 then
+				return "charging"
+			else
+				return "unused"
+			end
+		else
+			return "unsupported"
+		end
+	end,
+	on_beduino_request_data = function(pos, src, topic, payload)
+		local nvm = techage.get_nvm(pos)
+		if topic == 145 then  -- Solar Cell State
+			if nvm.providing then
+				return 0, {2}
+			elseif (nvm.capa or 0) > 0 then
+				return 0, {1}
+			else
+				return 0, {0}
+			end
+		else
+			return 2, ""
+		end
+	end,
+	on_node_load = function(pos)
+		minetest.get_node_timer(pos):start(CYCLE_TIME)
+	end,
+})
+
+minetest.register_craft({
+	output = "techage:ta4_solar_minicell",
+	recipe = {
+		{"", "techage:ta4_wlanchip", ""},
+		{"techage:ta4_silicon_wafer", "techage:ta4_silicon_wafer", "techage:ta4_silicon_wafer"},
+		{"default:tin_ingot", "techage:iron_ingot", "default:copper_ingot"},
+	},
+})