forked from VoxeLibre/VoxeLibre
489 lines
17 KiB
Lua
489 lines
17 KiB
Lua
local DELAYS = { 0.1, 0.2, 0.3, 0.4 }
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local DEFAULT_DELAY = DELAYS[1]
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-- Function that get the input/output rules of the delayer
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local delayer_get_output_rules = function(node)
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local rules = {{x = -1, y = 0, z = 0, spread=true}}
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for i = 0, node.param2 do
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rules = mesecon.rotate_rules_left(rules)
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end
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return rules
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end
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local delayer_get_input_rules = function(node)
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local rules = {{x = 1, y = 0, z = 0}}
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for i = 0, node.param2 do
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rules = mesecon.rotate_rules_left(rules)
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end
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return rules
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end
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-- Return the sides of a delayer.
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-- Those are used to toggle the lock state.
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local delayer_get_sides = function(node)
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local rules = {
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{x = 0, y = 0, z = -1},
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{x = 0, y = 0, z = 1},
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}
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for i = 0, node.param2 do
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rules = mesecon.rotate_rules_left(rules)
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end
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return rules
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end
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-- Make the repeater at pos try to lock any repeater it faces.
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-- Returns true if a repeater was locked.
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local check_lock_repeater = function(pos, node)
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-- Check the repeater at pos and look if it faces
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-- a repeater placed sideways.
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-- If yes, lock the second repeater.
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local r = delayer_get_output_rules(node)[1]
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local lpos = vector.add(pos, r)
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local lnode = minetest.get_node(lpos)
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local ldef = minetest.registered_nodes[lnode.name]
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local g = minetest.get_item_group(lnode.name, "redstone_repeater")
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if g >= 1 and g <= 4 then
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local lrs = delayer_get_input_rules(lnode)
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local fail = false
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for _, lr in pairs(lrs) do
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if lr.x == r.x or lr.z == r.z then
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fail = true
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break
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end
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end
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if not fail then
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minetest.set_node(lpos, {name=ldef.delayer_lockstate, param2=lnode.param2})
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local meta = minetest.get_meta(lpos)
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-- Metadata: delay. Used to remember the delay for locked repeaters.
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-- The number is the torch position (1-4).
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meta:set_int("delay", g)
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return true
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end
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end
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return false
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end
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-- Make the repeater at pos try to unlock any repeater it faces.
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-- Returns true if a repeater was unlocked.
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local check_unlock_repeater = function(pos, node)
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-- Check the repeater at pos and look if it faces
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-- a repeater placed sideways.
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-- If yes, also check if the second repeater doesn't receive
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-- a locking signal on the other side. If not, unlock the second repeater.
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local r = delayer_get_output_rules(node)[1]
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local lpos = vector.add(pos, r)
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local lnode = minetest.get_node(lpos)
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local ldef = minetest.registered_nodes[lnode.name]
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local g = minetest.get_item_group(lnode.name, "redstone_repeater")
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-- Are we facing a locked repeater?
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if g == 5 then
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-- First check the orientation of the faced repeater
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local lrs = delayer_get_input_rules(lnode)
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for _, lr in pairs(lrs) do
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if lr.x == r.x or lr.z == r.z then
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-- Invalid orientation. Do nothing
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return false
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end
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end
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-- Now we check if there's a powered repeater on the other side of the
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-- locked repeater.
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-- To get to the other side, we just take another step in the direction which we already face.
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local other_side = vector.add(lpos, r)
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local other_node = minetest.get_node(other_side)
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if minetest.get_item_group(other_node.name, "redstone_repeater") ~= 0 and mesecon.is_receptor_on(other_node.name) then
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-- Final check: The other repeater must also face the right way
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local other_face = delayer_get_output_rules(other_node)[1]
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local other_facing_pos = vector.add(other_side, other_face)
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if vector.equals(other_facing_pos, lpos) then
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-- Powered repeater found AND it's facing the locked repeater. Do NOT unlock!
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return false
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end
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end
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local lmeta = minetest.get_meta(lpos)
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local ldelay = lmeta:get_int("delay")
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if tonumber(ldelay) == nil or ldelay < 1 or ldelay > 4 then
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ldelay = 1
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end
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if mesecon.is_powered(lpos, delayer_get_input_rules(lnode)[1]) then
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minetest.set_node(lpos, {name="mesecons_delayer:delayer_on_"..ldelay, param2=lnode.param2})
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mesecon.queue:add_action(lpos, "receptor_on", {delayer_get_output_rules(lnode)}, ldef.delayer_time, nil)
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else
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minetest.set_node(lpos, {name="mesecons_delayer:delayer_off_"..ldelay, param2=lnode.param2})
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mesecon.queue:add_action(lpos, "receptor_off", {delayer_get_output_rules(lnode)}, ldef.delayer_time, nil)
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end
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return true
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end
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return false
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end
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-- Functions that are called after the delay time
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local delayer_activate = function(pos, node)
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local def = minetest.registered_nodes[node.name]
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local time = def.delayer_time
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minetest.set_node(pos, {name=def.delayer_onstate, param2=node.param2})
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mesecon.queue:add_action(pos, "receptor_on", {delayer_get_output_rules(node)}, time, nil)
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check_lock_repeater(pos, node)
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end
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local delayer_deactivate = function(pos, node)
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local def = minetest.registered_nodes[node.name]
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local time = def.delayer_time
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minetest.set_node(pos, {name=def.delayer_offstate, param2=node.param2})
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mesecon.queue:add_action(pos, "receptor_off", {delayer_get_output_rules(node)}, time, nil)
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check_unlock_repeater(pos, node)
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end
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-- Register the 2 (states) x 4 (delay times) delayers
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for i = 1, 4 do
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local groups = {}
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if i == 1 then
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groups = {dig_immediate=3,dig_by_water=1,destroy_by_lava_flow=1,dig_by_piston=1,attached_node=1,redstone_repeater=i}
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else
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groups = {dig_immediate=3,dig_by_water=1,destroy_by_lava_flow=1,dig_by_piston=1,attached_node=1,redstone_repeater=i,not_in_creative_inventory=1}
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end
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local delaytime = DELAYS[i]
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local boxes
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if i == 1 then
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boxes = {
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{ -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 }, -- the main slab
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{ -1/16, -6/16, 6/16, 1/16, -1/16, 4/16}, -- still torch
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{ -1/16, -6/16, 0/16, 1/16, -1/16, 2/16}, -- moved torch
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}
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elseif i == 2 then
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boxes = {
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{ -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 }, -- the main slab
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{ -1/16, -6/16, 6/16, 1/16, -1/16, 4/16}, -- still torch
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{ -1/16, -6/16, -2/16, 1/16, -1/16, 0/16}, -- moved torch
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}
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elseif i == 3 then
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boxes = {
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{ -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 }, -- the main slab
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{ -1/16, -6/16, 6/16, 1/16, -1/16, 4/16}, -- still torch
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{ -1/16, -6/16, -4/16, 1/16, -1/16, -2/16}, -- moved torch
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}
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elseif i == 4 then
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boxes = {
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{ -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 }, -- the main slab
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{ -1/16, -6/16, 6/16, 1/16, -1/16, 4/16}, -- still torch
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{ -1/16, -6/16, -6/16, 1/16, -1/16, -4/16}, -- moved torch
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}
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end
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local help, longdesc, usagehelp, icon, on_construct
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if i == 1 then
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help = true
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longdesc = "Redstone repeaters are versatile redstone components with multiple purposes: 1. They only allow signals to travel in one direction. 2. They delay the signal. 3. Optionally, they can lock their output in one state."
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usagehelp = "To power a redstone repeater, send a signal in “arrow” direction (the input). The signal goes out on the opposite side (the output) with a delay. To change the delay, rightclick the redstone repeater. The delay is between 0.1 and 0.4 seconds long and can be changed in steps of 0.1 seconds. It is indicated by the position of the moving redstone torch.".."\n"..
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"To lock a repeater, send a signal from an adjacent repeater into one of its sides. While locked, the moving redstone torch disappears, the output doesn't change and the input signal is ignored."
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icon = "mesecons_delayer_item.png"
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-- Check sides of constructed repeater and lock it, if required
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on_construct = function(pos)
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local node = minetest.get_node(pos)
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local sides = delayer_get_sides(node)
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for s=1, #sides do
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local spos = vector.add(pos, sides[s])
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local snode = minetest.get_node(spos)
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-- Is there a powered repeater at one of our sides?
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local g = minetest.get_item_group(snode.name, "redstone_repeater")
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if g ~= 0 and mesecon.is_receptor_on(snode.name) then
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-- The other repeater must also face towards the constructed node
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local sface = delayer_get_output_rules(snode)[1]
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local sface_pos = vector.add(spos, sface)
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if vector.equals(sface_pos, pos) then
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-- Repeater is facing towards us! Now we just need to lock the costructed node
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if mesecon.is_powered(pos, delayer_get_input_rules(node)[1]) ~= false then
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local newnode = {name="mesecons_delayer:delayer_on_locked", param2 = node.param2}
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minetest.set_node(pos, newnode)
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mesecon.queue:add_action(pos, "receptor_on", {delayer_get_output_rules(newnode)}, DEFAULT_DELAY, nil)
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else
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minetest.set_node(pos, {name="mesecons_delayer:delayer_off_locked", param2 = node.param2})
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end
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break
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end
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end
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end
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end
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else
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help = false
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end
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local on_rotate
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if minetest.get_modpath("screwdriver") then
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on_rotate = screwdriver.disallow
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end
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minetest.register_node("mesecons_delayer:delayer_off_"..tostring(i), {
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description = "Redstone Repeater",
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inventory_image = icon,
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wield_image = icon,
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_doc_items_create_entry = help,
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_doc_items_longdesc = longdesc,
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_doc_items_usagehelp = usagehelp,
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drawtype = "nodebox",
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tiles = {
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"mesecons_delayer_off.png",
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"mcl_stairs_stone_slab_top.png",
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"mesecons_delayer_sides_off.png",
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"mesecons_delayer_sides_off.png",
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"mesecons_delayer_ends_off.png",
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"mesecons_delayer_ends_off.png",
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},
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wield_image = "mesecons_delayer_off.png",
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walkable = true,
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selection_box = {
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type = "fixed",
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fixed = { -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 },
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},
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collision_box = {
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type = "fixed",
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fixed = { -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 },
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},
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node_box = {
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type = "fixed",
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fixed = boxes
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},
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groups = groups,
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paramtype = "light",
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paramtype2 = "facedir",
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sunlight_propagates = false,
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is_ground_content = false,
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drop = 'mesecons_delayer:delayer_off_1',
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on_rightclick = function (pos, node)
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if node.name=="mesecons_delayer:delayer_off_1" then
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minetest.set_node(pos, {name="mesecons_delayer:delayer_off_2", param2=node.param2})
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elseif node.name=="mesecons_delayer:delayer_off_2" then
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minetest.set_node(pos, {name="mesecons_delayer:delayer_off_3", param2=node.param2})
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elseif node.name=="mesecons_delayer:delayer_off_3" then
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minetest.set_node(pos, {name="mesecons_delayer:delayer_off_4", param2=node.param2})
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elseif node.name=="mesecons_delayer:delayer_off_4" then
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minetest.set_node(pos, {name="mesecons_delayer:delayer_off_1", param2=node.param2})
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end
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end,
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on_construct = on_construct,
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delayer_time = delaytime,
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delayer_onstate = "mesecons_delayer:delayer_on_"..tostring(i),
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delayer_lockstate = "mesecons_delayer:delayer_off_locked",
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sounds = mcl_sounds.node_sound_stone_defaults(),
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mesecons = {
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receptor =
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{
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state = mesecon.state.off,
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rules = delayer_get_output_rules
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},
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effector =
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{
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rules = delayer_get_input_rules,
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action_on = delayer_activate
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}
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},
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on_rotate = on_rotate,
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})
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minetest.register_node("mesecons_delayer:delayer_on_"..tostring(i), {
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description = "Redstone Repeater (Powered)",
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_doc_items_create_entry = false,
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drawtype = "nodebox",
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tiles = {
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"mesecons_delayer_on.png",
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"mcl_stairs_stone_slab_top.png",
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"mesecons_delayer_sides_on.png",
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"mesecons_delayer_sides_on.png",
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"mesecons_delayer_ends_on.png",
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"mesecons_delayer_ends_on.png",
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},
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walkable = true,
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selection_box = {
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type = "fixed",
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fixed = { -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 },
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},
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collision_box = {
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type = "fixed",
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fixed = { -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 },
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},
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node_box = {
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type = "fixed",
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fixed = boxes
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},
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groups = {dig_immediate = 3, dig_by_water=1,destroy_by_lava_flow=1, dig_by_piston=1, attached_node=1, redstone_repeater=i, not_in_creative_inventory = 1},
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paramtype = "light",
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paramtype2 = "facedir",
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sunlight_propagates = false,
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is_ground_content = false,
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drop = 'mesecons_delayer:delayer_off_1',
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on_rightclick = function (pos, node)
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if node.name=="mesecons_delayer:delayer_on_1" then
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minetest.set_node(pos, {name="mesecons_delayer:delayer_on_2",param2=node.param2})
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elseif node.name=="mesecons_delayer:delayer_on_2" then
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minetest.set_node(pos, {name="mesecons_delayer:delayer_on_3",param2=node.param2})
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elseif node.name=="mesecons_delayer:delayer_on_3" then
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minetest.set_node(pos, {name="mesecons_delayer:delayer_on_4",param2=node.param2})
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elseif node.name=="mesecons_delayer:delayer_on_4" then
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minetest.set_node(pos, {name="mesecons_delayer:delayer_on_1",param2=node.param2})
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end
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end,
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after_dig_node = function(pos, oldnode)
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check_unlock_repeater(pos, oldnode)
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end,
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delayer_time = delaytime,
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delayer_offstate = "mesecons_delayer:delayer_off_"..tostring(i),
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delayer_lockstate = "mesecons_delayer:delayer_on_locked",
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sounds = mcl_sounds.node_sound_stone_defaults(),
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mesecons = {
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receptor =
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{
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state = mesecon.state.on,
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rules = delayer_get_output_rules
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},
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effector =
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{
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rules = delayer_get_input_rules,
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action_off = delayer_deactivate
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}
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},
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on_rotate = on_rotate,
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})
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end
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-- Locked repeater
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minetest.register_node("mesecons_delayer:delayer_off_locked", {
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description = "Redstone Repeater (Locked)",
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inventory_image = icon,
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wield_image = icon,
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_doc_items_create_entry = false,
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drawtype = "nodebox",
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-- FIXME: Textures of torch and the lock bar overlap. Nodeboxes are (sadly) not suitable for this.
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-- So this needs to be turned into a mesh.
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tiles = {
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"mesecons_delayer_locked_off.png",
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"mcl_stairs_stone_slab_top.png",
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"mesecons_delayer_sides_locked_off.png",
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"mesecons_delayer_sides_locked_off.png",
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"mesecons_delayer_front_locked_off.png",
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"mesecons_delayer_end_locked_off.png",
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},
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wield_image = "mesecons_delayer_locked_off.png",
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walkable = true,
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selection_box = {
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type = "fixed",
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fixed = { -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 },
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},
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collision_box = {
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type = "fixed",
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fixed = { -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 },
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},
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node_box = {
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type = "fixed",
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fixed = {
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{ -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 }, -- the main slab
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{ -1/16, -6/16, 6/16, 1/16, -1/16, 4/16}, -- still torch
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{ -6/16, -6/16, -1/16, 6/16, -4/16, 1/16}, -- lock
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}
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},
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groups = {dig_immediate = 3, dig_by_water=1,destroy_by_lava_flow=1, dig_by_piston=1, attached_node=1, redstone_repeater=5, not_in_creative_inventory = 1},
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paramtype = "light",
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paramtype2 = "facedir",
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sunlight_propagates = false,
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is_ground_content = false,
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drop = 'mesecons_delayer:delayer_off_1',
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delayer_time = DEFAULT_DELAY,
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sounds = mcl_sounds.node_sound_stone_defaults(),
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mesecons = {
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receptor =
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{
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state = mesecon.state.off,
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rules = delayer_get_output_rules
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},
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effector =
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{
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rules = delayer_get_input_rules,
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}
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},
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on_rotate = on_rotate,
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})
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minetest.register_node("mesecons_delayer:delayer_on_locked", {
|
|
description = "Redstone Repeater (Locked, Powered)",
|
|
_doc_items_create_entry = false,
|
|
drawtype = "nodebox",
|
|
tiles = {
|
|
"mesecons_delayer_locked_on.png",
|
|
"mcl_stairs_stone_slab_top.png",
|
|
"mesecons_delayer_sides_locked_on.png",
|
|
"mesecons_delayer_sides_locked_on.png",
|
|
"mesecons_delayer_front_locked_on.png",
|
|
"mesecons_delayer_end_locked_on.png",
|
|
},
|
|
walkable = true,
|
|
selection_box = {
|
|
type = "fixed",
|
|
fixed = { -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 },
|
|
},
|
|
collision_box = {
|
|
type = "fixed",
|
|
fixed = { -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 },
|
|
},
|
|
node_box = {
|
|
type = "fixed",
|
|
fixed = {
|
|
{ -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 }, -- the main slab
|
|
{ -1/16, -6/16, 6/16, 1/16, -1/16, 4/16}, -- still torch
|
|
{ -6/16, -6/16, -1/16, 6/16, -4/16, 1/16}, -- lock
|
|
}
|
|
},
|
|
after_dig_node = function(pos, oldnode)
|
|
check_unlock_repeater(pos, oldnode)
|
|
end,
|
|
groups = {dig_immediate = 3, dig_by_water=1,destroy_by_lava_flow=1, dig_by_piston=1, attached_node=1, redstone_repeater=5, not_in_creative_inventory = 1},
|
|
paramtype = "light",
|
|
paramtype2 = "facedir",
|
|
sunlight_propagates = false,
|
|
is_ground_content = false,
|
|
drop = 'mesecons_delayer:delayer_off_1',
|
|
delayer_time = DEFAULT_DELAY,
|
|
sounds = mcl_sounds.node_sound_stone_defaults(),
|
|
mesecons = {
|
|
receptor =
|
|
{
|
|
state = mesecon.state.on,
|
|
rules = delayer_get_output_rules
|
|
},
|
|
effector =
|
|
{
|
|
rules = delayer_get_input_rules,
|
|
}
|
|
},
|
|
on_rotate = on_rotate,
|
|
})
|
|
|
|
minetest.register_craft({
|
|
output = "mesecons_delayer:delayer_off_1",
|
|
recipe = {
|
|
{"mesecons_torch:mesecon_torch_on", "mesecons:redstone", "mesecons_torch:mesecon_torch_on"},
|
|
{"mcl_core:stone","mcl_core:stone", "mcl_core:stone"},
|
|
}
|
|
})
|
|
|
|
-- Add entry aliases for the Help
|
|
if minetest.get_modpath("doc") then
|
|
doc.add_entry_alias("nodes", "mesecons_delayer:delayer_off_1", "nodes", "mesecons_delayer:delayer_off_2")
|
|
doc.add_entry_alias("nodes", "mesecons_delayer:delayer_off_1", "nodes", "mesecons_delayer:delayer_off_3")
|
|
doc.add_entry_alias("nodes", "mesecons_delayer:delayer_off_1", "nodes", "mesecons_delayer:delayer_off_4")
|
|
doc.add_entry_alias("nodes", "mesecons_delayer:delayer_off_1", "nodes", "mesecons_delayer:delayer_off_locked")
|
|
doc.add_entry_alias("nodes", "mesecons_delayer:delayer_off_1", "nodes", "mesecons_delayer:delayer_on_1")
|
|
doc.add_entry_alias("nodes", "mesecons_delayer:delayer_off_1", "nodes", "mesecons_delayer:delayer_on_2")
|
|
doc.add_entry_alias("nodes", "mesecons_delayer:delayer_off_1", "nodes", "mesecons_delayer:delayer_on_3")
|
|
doc.add_entry_alias("nodes", "mesecons_delayer:delayer_off_1", "nodes", "mesecons_delayer:delayer_on_4")
|
|
doc.add_entry_alias("nodes", "mesecons_delayer:delayer_off_1", "nodes", "mesecons_delayer:delayer_on_locked")
|
|
end
|