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-- naming scheme: wire:(xp)(zp)(xm)(zm)(xpyp)(zpyp)(xmyp)(zmyp)_on/off
-- where x= x direction, z= z direction, y= y direction, p = +1, m = -1, e.g. xpym = {x=1, y=-1, z=0}
-- The (xp)/(zpyp)/.. statements shall be replaced by either 0 or 1
-- Where 0 means the wire has no visual connection to that direction and
-- 1 means that the wire visually connects to that other node.
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local S = minetest.get_translator ( minetest.get_current_modname ( ) )
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-- #######################
-- ## Update wire looks ##
-- #######################
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local wire_rules =
{ { x =- 1 , y = 0 , z = 0 , spread = true } ,
{ x = 1 , y = 0 , z = 0 , spread = true } ,
{ x = 0 , y =- 1 , z = 0 , spread = true } ,
{ x = 0 , y = 1 , z = 0 , spread = true } ,
{ x = 0 , y = 0 , z =- 1 , spread = true } ,
{ x = 0 , y = 0 , z = 1 , spread = true } ,
{ x = 1 , y = 1 , z = 0 } ,
{ x = 1 , y =- 1 , z = 0 } ,
{ x =- 1 , y = 1 , z = 0 } ,
{ x =- 1 , y =- 1 , z = 0 } ,
{ x = 0 , y = 1 , z = 1 } ,
{ x = 0 , y =- 1 , z = 1 } ,
{ x = 0 , y = 1 , z =- 1 } ,
{ x = 0 , y =- 1 , z =- 1 } }
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-- self_pos = pos of any mesecon node, from_pos = pos of conductor to getconnect for
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local function wire_getconnect ( from_pos , self_pos )
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local node = minetest.get_node ( self_pos )
if minetest.registered_nodes [ node.name ]
and minetest.registered_nodes [ node.name ] . mesecons then
-- rules of node to possibly connect to
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local rules
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if ( minetest.registered_nodes [ node.name ] . mesecon_wire ) then
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rules = wire_rules
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else
rules = mesecon.get_any_rules ( node )
end
for _ , r in ipairs ( mesecon.flattenrules ( rules ) ) do
if ( vector.equals ( vector.add ( self_pos , r ) , from_pos ) ) then
return true
end
end
end
return false
end
-- Update this node
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local function wire_updateconnect ( pos )
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local connections = { }
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for _ , r in ipairs ( wire_rules ) do
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if wire_getconnect ( pos , vector.add ( pos , r ) ) then
table.insert ( connections , r )
end
end
local nid = { }
for _ , vec in ipairs ( connections ) do
-- flat component
if vec.x == 1 then nid [ 0 ] = " 1 " end
if vec.z == 1 then nid [ 1 ] = " 1 " end
if vec.x == - 1 then nid [ 2 ] = " 1 " end
if vec.z == - 1 then nid [ 3 ] = " 1 " end
-- slopy component
if vec.y == 1 then
if vec.x == 1 then nid [ 4 ] = " 1 " end
if vec.z == 1 then nid [ 5 ] = " 1 " end
if vec.x == - 1 then nid [ 6 ] = " 1 " end
if vec.z == - 1 then nid [ 7 ] = " 1 " end
end
end
local nodeid = ( nid [ 0 ] or " 0 " ) .. ( nid [ 1 ] or " 0 " ) .. ( nid [ 2 ] or " 0 " ) .. ( nid [ 3 ] or " 0 " )
.. ( nid [ 4 ] or " 0 " ) .. ( nid [ 5 ] or " 0 " ) .. ( nid [ 6 ] or " 0 " ) .. ( nid [ 7 ] or " 0 " )
local state_suffix = string.find ( minetest.get_node ( pos ) . name , " _off " ) and " _off " or " _on "
minetest.set_node ( pos , { name = " mesecons:wire_ " .. nodeid .. state_suffix } )
end
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local function update_on_place_dig ( pos , node )
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-- Update placed node (get_node again as it may have been dug)
local nn = minetest.get_node ( pos )
if ( minetest.registered_nodes [ nn.name ] )
and ( minetest.registered_nodes [ nn.name ] . mesecon_wire ) then
wire_updateconnect ( pos )
end
-- Update nodes around it
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local rules
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if minetest.registered_nodes [ node.name ]
and minetest.registered_nodes [ node.name ] . mesecon_wire then
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rules = wire_rules
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else
rules = mesecon.get_any_rules ( node )
end
if ( not rules ) then return end
for _ , r in ipairs ( mesecon.flattenrules ( rules ) ) do
local np = vector.add ( pos , r )
if minetest.registered_nodes [ minetest.get_node ( np ) . name ]
and minetest.registered_nodes [ minetest.get_node ( np ) . name ] . mesecon_wire then
wire_updateconnect ( np )
end
end
end
mesecon.register_autoconnect_hook ( " wire " , update_on_place_dig )
-- ############################
-- ## Wire node registration ##
-- ############################
-- Nodeboxes:
local box_center = { - 1 / 16 , - .5 , - 1 / 16 , 1 / 16 , - .5 + 1 / 64 , 1 / 16 }
local box_bump1 = { - 2 / 16 , - 8 / 16 , - 2 / 16 , 2 / 16 , - .5 + 1 / 64 , 2 / 16 }
local nbox_nid =
{
[ 0 ] = { 1 / 16 , - .5 , - 1 / 16 , 8 / 16 , - .5 + 1 / 64 , 1 / 16 } , -- x positive
[ 1 ] = { - 1 / 16 , - .5 , 1 / 16 , 1 / 16 , - .5 + 1 / 64 , 8 / 16 } , -- z positive
[ 2 ] = { - 8 / 16 , - .5 , - 1 / 16 , - 1 / 16 , - .5 + 1 / 64 , 1 / 16 } , -- x negative
[ 3 ] = { - 1 / 16 , - .5 , - 8 / 16 , 1 / 16 , - .5 + 1 / 64 , - 1 / 16 } , -- z negative
[ 4 ] = { .5 - 1 / 16 , - .5 + 1 / 16 , - 1 / 16 , .5 , .4999 + 1 / 64 , 1 / 16 } , -- x positive up
[ 5 ] = { - 1 / 16 , - .5 + 1 / 16 , .5 - 1 / 16 , 1 / 16 , .4999 + 1 / 64 , .5 } , -- z positive up
[ 6 ] = { - .5 , - .5 + 1 / 16 , - 1 / 16 , - .5 + 1 / 16 , .4999 + 1 / 64 , 1 / 16 } , -- x negative up
[ 7 ] = { - 1 / 16 , - .5 + 1 / 16 , - .5 , 1 / 16 , .4999 + 1 / 64 , - .5 + 1 / 16 } -- z negative up
}
local selectionbox =
{
type = " fixed " ,
fixed = { - .5 , - .5 , - .5 , .5 , - .5 + 1 / 16 , .5 }
}
-- go to the next nodeid (ex.: 01000011 --> 01000100)
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local function nid_inc ( ) end
function nid_inc ( nid )
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local i = 0
while nid [ i - 1 ] ~= 1 do
nid [ i ] = ( nid [ i ] ~= 1 ) and 1 or 0
i = i + 1
end
-- BUT: Skip impossible nodeids:
if ( ( nid [ 0 ] == 0 and nid [ 4 ] == 1 ) or ( nid [ 1 ] == 0 and nid [ 5 ] == 1 )
or ( nid [ 2 ] == 0 and nid [ 6 ] == 1 ) or ( nid [ 3 ] == 0 and nid [ 7 ] == 1 ) ) then
return nid_inc ( nid )
end
return i <= 8
end
local function register_wires ( )
local nid = { }
while true do
-- Create group specifiction and nodeid string (see note above for details)
local nodeid = ( nid [ 0 ] or " 0 " ) .. ( nid [ 1 ] or " 0 " ) .. ( nid [ 2 ] or " 0 " ) .. ( nid [ 3 ] or " 0 " )
.. ( nid [ 4 ] or " 0 " ) .. ( nid [ 5 ] or " 0 " ) .. ( nid [ 6 ] or " 0 " ) .. ( nid [ 7 ] or " 0 " )
-- Calculate nodebox
local nodebox = { type = " fixed " , fixed = { box_center } }
for i = 0 , 7 do
if nid [ i ] == 1 then
table.insert ( nodebox.fixed , nbox_nid [ i ] )
end
end
-- Add bump to nodebox if curved
if ( nid [ 0 ] == 1 and nid [ 1 ] == 1 ) or ( nid [ 1 ] == 1 and nid [ 2 ] == 1 )
or ( nid [ 2 ] == 1 and nid [ 3 ] == 1 ) or ( nid [ 3 ] == 1 and nid [ 0 ] == 1 ) then
table.insert ( nodebox.fixed , box_bump1 )
end
-- If nothing to connect to, still make a nodebox of a straight wire
if nodeid == " 00000000 " then
nodebox.fixed = { - 8 / 16 , - .5 , - 1 / 16 , 8 / 16 , - .5 + 1 / 16 , 1 / 16 }
end
local meseconspec_off = { conductor = {
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rules = wire_rules ,
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state = mesecon.state . off ,
onstate = " mesecons:wire_ " .. nodeid .. " _on "
} }
local meseconspec_on = { conductor = {
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rules = wire_rules ,
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state = mesecon.state . on ,
offstate = " mesecons:wire_ " .. nodeid .. " _off "
} }
local groups_on = { dig_immediate = 3 , mesecon_conductor_craftable = 1 ,
not_in_creative_inventory = 1 , attached_node = 1 , dig_by_water = 1 , destroy_by_lava_flow = 1 , dig_by_piston = 1 }
local groups_off = { dig_immediate = 3 , mesecon_conductor_craftable = 1 ,
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attached_node = 1 , dig_by_water = 1 , destroy_by_lava_flow = 1 , dig_by_piston = 1 , craftitem = 1 }
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if nodeid ~= " 00000000 " then
groups_off [ " not_in_creative_inventory " ] = 1
end
-- Wire textures
local ratio_off = 128
local ratio_on = 192
local crossing_off = " (redstone_redstone_dust_dot.png^redstone_redstone_dust_line0.png^(redstone_redstone_dust_line1.png^[transformR90))^[colorize:#FF0000: " .. ratio_off
local crossing_on = " (redstone_redstone_dust_dot.png^redstone_redstone_dust_line0.png^(redstone_redstone_dust_line1.png^[transformR90))^[colorize:#FF0000: " .. ratio_on
local straight0_off = " redstone_redstone_dust_line0.png^[colorize:#FF0000: " .. ratio_off
local straight0_on = " redstone_redstone_dust_line0.png^[colorize:#FF0000: " .. ratio_on
local straight1_off = " redstone_redstone_dust_line0.png^[colorize:#FF0000: " .. ratio_off
local straight1_on = " redstone_redstone_dust_line0.png^[colorize:#FF0000: " .. ratio_on
local dot_off = " redstone_redstone_dust_dot.png^[colorize:#FF0000: " .. ratio_off
local dot_on = " redstone_redstone_dust_dot.png^[colorize:#FF0000: " .. ratio_on
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local tiles_off , tiles_on
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local wirehelp , tt , longdesc , usagehelp , img , desc_off , desc_on
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if nodeid == " 00000000 " then
-- Non-connected redstone wire
nodebox.fixed = { - 8 / 16 , - .5 , - 8 / 16 , 8 / 16 , - .5 + 1 / 64 , 8 / 16 }
-- “Dot” texture
tiles_off = { dot_off , dot_off , " blank.png " , " blank.png " , " blank.png " , " blank.png " }
tiles_on = { dot_on , dot_on , " blank.png " , " blank.png " , " blank.png " , " blank.png " }
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tt = S ( " Transmits redstone power, powers mechanisms " )
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longdesc = S ( " Redstone is a versatile conductive mineral which transmits redstone power. It can be placed on the ground as a trail. " ) .. " \n " ..
S ( " A redstone trail can be in two states: Powered or not powered. A powered redstone trail will power (and thus activate) adjacent redstone components. " ) .. " \n " ..
S ( " Redstone power can be received from various redstone components, such as a block of redstone or a button. Redstone power is used to activate numerous mechanisms, such as redstone lamps or pistons. " )
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usagehelp = S ( " Place redstone on the ground to build a redstone trail. The trails will connect to each other automatically and it can also go over hills. " ) .. " \n \n " ..
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S ( " Read the help entries on the other redstone components to learn how redstone components interact. " )
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img = " redstone_redstone_dust.png "
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desc_off = S ( " Redstone " )
desc_on = S ( " Powered Redstone Spot (@1) " , nodeid )
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else
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-- Connected redstone wire
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table.insert ( nodebox , box_center )
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tiles_off = { crossing_off , crossing_off , straight0_off , straight1_off , straight0_off , straight1_off }
tiles_on = { crossing_on , crossing_on , straight0_on , straight1_on , straight0_on , straight1_on }
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wirehelp = false
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desc_off = S ( " Redstone Trail (@1) " , nodeid )
desc_on = S ( " Powered Redstone Trail (@1) " , nodeid )
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end
mesecon.register_node ( " :mesecons:wire_ " .. nodeid , {
drawtype = " nodebox " ,
paramtype = " light " ,
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use_texture_alpha = minetest.features . use_texture_alpha_string_modes and " clip " or true ,
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sunlight_propagates = true ,
selection_box = selectionbox ,
node_box = nodebox ,
walkable = false ,
drop = " mesecons:wire_00000000_off " ,
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sounds = mcl_sounds.node_sound_defaults ( ) ,
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is_ground_content = false ,
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mesecon_wire = true
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} , {
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description = desc_off ,
inventory_image = img ,
wield_image = img ,
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_tt_help = tt ,
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_doc_items_create_entry = wirehelp ,
_doc_items_longdesc = longdesc ,
_doc_items_usagehelp = usagehelp ,
tiles = tiles_off ,
mesecons = meseconspec_off ,
groups = groups_off ,
} , {
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description = desc_on ,
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_doc_items_create_entry = false ,
tiles = tiles_on ,
mesecons = meseconspec_on ,
groups = groups_on
} )
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-- Add Help entry aliases for e.g. making it identifiable by the lookup tool [doc_identifier]
if minetest.get_modpath ( " doc " ) then
if nodeid ~= " 00000000 " then
doc.add_entry_alias ( " nodes " , " mesecons:wire_00000000_off " , " nodes " , " mesecons:wire_ " .. nodeid .. " _off " )
end
doc.add_entry_alias ( " nodes " , " mesecons:wire_00000000_off " , " nodes " , " mesecons:wire_ " .. nodeid .. " _on " )
end
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if ( nid_inc ( nid ) == false ) then return end
end
end
register_wires ( )
minetest.register_alias ( " mesecons:redstone " , " mesecons:wire_00000000_off " )
minetest.register_craft ( {
type = " cooking " ,
output = " mesecons:redstone " ,
recipe = " mcl_core:stone_with_redstone " ,
cooktime = 10 ,
} )