mesecons_x/mesecons_regs/latch.lua

139 lines
3.4 KiB
Lua
Raw Normal View History

2020-07-14 18:26:42 +02:00
local nodebox = {
type = "fixed",
fixed = {{-8/16, -8/16, -8/16, 8/16, -7/16, 8/16 }},
}
local function gate_rotate_rules(node, rules)
for rotations = 0, node.param2 - 1 do
rules = mesecon.rotate_rules_left(rules)
end
return rules
end
local function latch_get_input_rules(node)
return gate_rotate_rules(node,
{
{x=-1, y=0, z=0, name="data"},
{x=0, y=0, z=-1, name="enable"}
})
end
local function latch_get_output_rules(node)
return gate_rotate_rules(node,
{ {x=1,y=0,z=0 }}
)
end
local function set_latch(pos,node,state)
local latch = minetest.registered_nodes[node.name]
if state then
minetest.swap_node(pos, {name = latch.onstate, param2=node.param2})
mesecon.receptor_on(pos, latch_get_output_rules(node))
else
minetest.swap_node(pos, {name = latch.offstate, param2=node.param2})
mesecon.receptor_off(pos, latch_get_output_rules(node))
end
end
local function update_latch(pos, node, link, newstate)
local latch = minetest.registered_nodes[node.name]
local meta = minetest.get_meta(pos)
local data= meta:get_int("data") == 1 and 1 or 0
local enable = meta:get_int("enable") == 1 and 1 or 0
if link.name == "enable" then
if newstate == "off" and enable == 1 then
if data == 0 then
set_latch(pos,node,false)
else
set_latch(pos,node,true)
end
meta:set_int("enable",0)
end
if newstate == "on" then
if data == 0 then
set_latch(pos,node,false)
else
set_latch(pos,node,true)
end
meta:set_int("enable",1)
end
end
if link.name == "data" then
if enable == 1 then
local nv = newstate == "on" and 1 or 0
set_latch(pos,node, nv == 1 and true or false)
meta:set_int("data",nv)
else
meta:set_int("data", newstate == "on" and 1 or 0 )
end
end
end
local function register_latch()
local name = "latch"
description = "Logic Memory Circuit: "..name
local basename = "mesecons_regs:"..name
mesecon.register_node(basename,
{
description = description,
inventory_image = "jeija_gate_off.png^jeija_gate_"..name..".png",
paramtype = "light",
paramtype2 = "facedir",
is_ground_content = false,
drawtype = "nodebox",
drop = basename.."_off",
selection_box = nodebox,
node_box = nodebox,
walkable = true,
sounds = default.node_sound_stone_defaults(),
onstate = basename.."_on",
offstate = basename.."_off",
after_dig_node = mesecon.do_cooldown,
},{
tiles = {"jeija_microcontroller_bottom.png^".."jeija_gate_off.png^"..
"jeija_gate_"..name..".png"},
groups = {dig_immediate = 2, overheat = 1},
mesecons = { receptor = {
state = "off",
rules = latch_get_output_rules
}, effector = {
rules = latch_get_input_rules,
action_change = update_latch
}}
},{
tiles = {"jeija_microcontroller_bottom.png^".."jeija_gate_on.png^"..
"jeija_gate_"..name..".png"},
groups = {dig_immediate = 2, not_in_creative_inventory = 1, overheat = 1},
mesecons = { receptor = {
state = "on",
rules = latch_get_output_rules
}, effector = {
rules = latch_get_input_rules,
action_change = update_latch
}}
})
minetest.register_craft({output = basename.."_off", recipe = {
{ "mesecons_gates:and_off", "mesecons_gates:and_off", "mesecons_gates:not_off"},
{ "mesecons_gates:nor_off", "mesecons_gates:nor_off", "mesecons_insulated:insulated_off"},
{ "mesecons_insulated:insulated_off", "mesecons_insulated:insulated_off", "mesecons_insulated:insulated_off"}
}})
end
register_latch()