init.lua

-- define global
hopper = {}

-- internationalization boilerplate
local MP = minetest.get_modpath(minetest.get_current_modname())
local S = minetest.get_translator("hopper")

hopper.translator_escaped = function(...)
	return minetest.formspec_escape(S(...))
end

dofile(MP.."/gamecompat.lua")

dofile(MP.."/config.lua")
dofile(MP.."/api.lua")
dofile(MP.."/utility.lua")
dofile(MP.."/doc.lua")
dofile(MP.."/nodes/hoppers.lua")
dofile(MP.."/nodes/chute.lua")
dofile(MP.."/nodes/sorter.lua")
dofile(MP.."/crafts.lua")
dofile(MP.."/abms.lua")


-------------------------------------------------------------------------------------------
-- Formspec handling

minetest.register_on_player_receive_fields(function(player, formname, fields)
	if string.sub(formname, 1, 16) ~= "hopper_formspec:" then
		return
	end

	local pos = minetest.string_to_pos(string.sub(formname, 17, -1))
	local meta = minetest.get_meta(pos)
	if fields.eject then
		local eject_setting = meta:get_string("eject") == "true"
		-- "" deletes the key
		meta:set_string("eject", eject_setting and "" or "true")
	end
	if fields.filter_all then
		local filter_all_setting = meta:get_string("filter_all") == "true"
		meta:set_string("filter_all", filter_all_setting and "" or "true")
	end
end)

function hopper._formspec_add_player_lists(y)
	return hopper.formspec_add_list("current_player", "main", 0.4, y, 8, 1) ..
		hopper.formspec_add_list("current_player", "main", 0.4, y + 1.4, 8, 3, 8)
end

-- add lucky blocks
if minetest.get_modpath("lucky_block") then
	lucky_block:add_blocks({
		{"dro", {"hopper:hopper"}, 3},
	})
	if hopper.node_fire_flame then
		lucky_block:add_blocks({
			{"nod", hopper.node_fire_flame, 1},
		})
	end
end

-- Utility function for inventory movement logs
function hopper.log_inventory(...)
	minetest.log(hopper.config.inv_log_level, ...)
end

-- Test whether the functions work
core.register_on_mods_loaded(function()
	hopper.formspec_add_list("player:foo", "bar", 0, 1, 8, 4)
	hopper.formspec_add_list("player:foo", "bar", 0, 1, 8, 4, 4)
	hopper._formspec_add_player_lists(1)
end)

minetest.log("action", "[hopper] Hopper mod loaded")