access_cards/card_scanner.lua

136 lines
3.7 KiB
Lua

-- stolen and adapted from https://github.com/D00Med/scifi_nodes/blob/master/palm_scanner.lua
local get_switch_rules = function(param2)
-- param2 = 2
local rules = {
-- lower plane
{x=1, y=-1, z=-1},
{x=1, y=-1, z=1},
{x=0, y=-1, z=-1},
{x=0, y=-1, z=1},
-- same plane
{x=1, y=0, z=0},
{x=-1, y=0, z=0},
{x=0, y=0, z=1},
{x=0, y=0, z=-1},
}
-- Left and right when looking to +y ?
if param2 == 3 then
rules = mesecon.rotate_rules_right(mesecon.rotate_rules_right (rules))
elseif param2 == 4 then
rules = mesecon.rotate_rules_right(rules)
elseif param2 == 5 then
rules = mesecon.rotate_rules_left(rules)
end
return rules
end
local function starts_with(str, start)
return str:sub(1, #start) == start
end
local function activate_palm_scanner(pos, node, player)
local name = player and player:get_player_name()
name = name or ""
local stack = player:get_wielded_item()
local key_name = nil
if starts_with(stack:get_name(), "access_cards") then
-- an access card
local meta = stack:get_meta()
if meta:get_int("configured") then
key_name = meta:get_string("name")
end
end
local meta = minetest.get_meta(pos)
if meta:get_int("configured") ~= 1 then
if key_name then
minetest.sound_play("access_cards_scanning", {max_hear_distance = 8, pos = pos, gain = 1.0})
meta:set_string("key", key_name)
meta:set_int("configured", 1)
minetest.chat_send_player(name, "Scanner-key set to '" .. key_name .. "'")
else
minetest.chat_send_player(name, "Please provide a configured access card")
end
return
end
-- check key
local key = meta:get_string("key")
if key ~= key_name then
node.name = "access_cards:palm_scanner_off"
minetest.swap_node(pos, node)
minetest.chat_send_player(name, "Access denied !")
minetest.sound_play("access_cards_refused", {max_hear_distance = 8, pos = pos, gain = 1.0})
else
node.name = "access_cards:palm_scanner_on"
minetest.swap_node(pos, node)
minetest.chat_send_player(name, "Access granted !")
minetest.sound_play("access_cards_granted", {max_hear_distance = 8, pos = pos, gain = 1.0})
mesecon.receptor_on(pos, get_switch_rules(node.param2))
-- reset state
minetest.after(2, function()
node.name = "access_cards:palm_scanner_off"
minetest.swap_node(pos, node)
mesecon.receptor_off(pos, get_switch_rules(node.param2))
end)
end
end
minetest.register_node("access_cards:palm_scanner_off", {
description = "Palm scanner",
tiles = {"access_cards_scanner_off.png",},
inventory_image = "access_cards_scanner_off.png",
wield_image = "access_cards_scanner_on.png",
drawtype = "signlike",
sunlight_propagates = true,
buildable_to = false,
node_box = {type = "wallmounted",},
selection_box = {type = "wallmounted",},
paramtype = "light",
paramtype2 = "wallmounted",
groups = {cracky=1, oddly_breakable_by_hand=1, mesecon_needs_receiver = 1},
mesecons = {
receptor = {
state = mesecon.state.off
}
},
on_rightclick = activate_palm_scanner,
sounds = default.node_sound_glass_defaults(),
})
minetest.register_node("access_cards:palm_scanner_on", {
description = "Palm scanner",
sunlight_propagates = true,
buildable_to = false,
tiles = {"access_cards_scanner_on.png",},
inventory_image = "access_cards_scanner_on.png",
wield_image = "access_cards_scanner_on.png",
drawtype = "signlike",
node_box = {type = "wallmounted",},
selection_box = {type = "wallmounted",},
paramtype = "light",
paramtype2 = "wallmounted",
light_source = 5,
groups = {cracky=1, oddly_breakable_by_hand=1, not_in_creative_inventory=1, mesecon_needs_receiver = 1},
drop = "access_cards:palm_scanner_off",
mesecons = {
receptor = {
state = mesecon.state.on
}
},
sounds = default.node_sound_glass_defaults(),
})