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-- autorouting for pipes
local tube_table = {[0] = 1, 2, 2, 4, 2, 4, 4, 5, 2, 3, 4, 6, 4, 6, 5, 7, 2, 4, 3, 6, 4, 5, 6, 7, 4, 6, 6, 8, 5, 7, 7, 9, 2, 4, 4, 5, 3, 6, 6, 7, 4, 6, 5, 7, 6, 8, 7, 9, 4, 5, 6, 7, 6, 7, 8, 9, 5, 7, 7, 9, 7, 9, 9, 10}
local tube_table_facedirs = {[0] = 0, 0, 5, 0, 3, 4, 3, 0, 2, 0, 2, 0, 6, 4, 3, 0, 7, 12, 5, 12, 7, 4, 5, 5, 18, 20, 16, 0, 7, 4, 7, 0, 1, 8, 1, 1, 1, 13, 1, 1, 10, 8, 2, 2, 17, 4, 3, 6, 9, 9, 9, 9, 21, 13, 1, 1, 10, 10, 11, 2, 19, 4, 3, 0}
local function autoroute_pipes(pos)
local nctr = minetest.get_node(pos)
local state = "_empty"
if (string.find(nctr.name, "pipeworks:pipe_") == nil) then return end
if (string.find(nctr.name, "_loaded") ~= nil) then state = "_loaded" end
local nsurround = pipeworks.scan_pipe_surroundings(pos)
if nsurround == 0 then nsurround = 9 end
minetest.swap_node(pos, {name = "pipeworks:pipe_"..tube_table[nsurround]..state,
param2 = tube_table_facedirs[nsurround]})
end
function pipeworks.scan_for_pipe_objects(pos)
autoroute_pipes({ x=pos.x-1, y=pos.y , z=pos.z })
autoroute_pipes({ x=pos.x+1, y=pos.y , z=pos.z })
autoroute_pipes({ x=pos.x , y=pos.y-1, z=pos.z })
autoroute_pipes({ x=pos.x , y=pos.y+1, z=pos.z })
autoroute_pipes({ x=pos.x , y=pos.y , z=pos.z-1 })
autoroute_pipes({ x=pos.x , y=pos.y , z=pos.z+1 })
autoroute_pipes(pos)
end
-- auto-rotation code for various devices the tubes attach to
function pipeworks.scan_pipe_surroundings(pos)
local pxm=0
local pxp=0
local pym=0
local pyp=0
local pzm=0
local pzp=0
local nxm = minetest.get_node({ x=pos.x-1, y=pos.y , z=pos.z })
local nxp = minetest.get_node({ x=pos.x+1, y=pos.y , z=pos.z })
local nym = minetest.get_node({ x=pos.x , y=pos.y-1, z=pos.z })
local nyp = minetest.get_node({ x=pos.x , y=pos.y+1, z=pos.z })
local nzm = minetest.get_node({ x=pos.x , y=pos.y , z=pos.z-1 })
local nzp = minetest.get_node({ x=pos.x , y=pos.y , z=pos.z+1 })
if (string.find(nxm.name, "pipeworks:pipe_") ~= nil) then pxm=1 end
if (string.find(nxp.name, "pipeworks:pipe_") ~= nil) then pxp=1 end
if (string.find(nym.name, "pipeworks:pipe_") ~= nil) then pym=1 end
if (string.find(nyp.name, "pipeworks:pipe_") ~= nil) then pyp=1 end
if (string.find(nzm.name, "pipeworks:pipe_") ~= nil) then pzm=1 end
if (string.find(nzp.name, "pipeworks:pipe_") ~= nil) then pzp=1 end
-- Special handling for valves...
if (string.find(nxm.name, "pipeworks:valve") ~= nil)
and (nxm.param2 == 0 or nxm.param2 == 2) then
pxm=1
end
if (string.find(nxp.name, "pipeworks:valve") ~= nil)
and (nxp.param2 == 0 or nxp.param2 == 2) then
pxp=1
end
if (string.find(nzm.name, "pipeworks:valve") ~= nil)
and (nzm.param2 == 1 or nzm.param2 == 3) then
pzm=1
end
if (string.find(nzp.name, "pipeworks:valve") ~= nil)
and (nzp.param2 == 1 or nzp.param2 == 3) then
pzp=1
end
-- ...flow sensors...
if (string.find(nxm.name, "pipeworks:flow_sensor") ~= nil)
and (nxm.param2 == 0 or nxm.param2 == 2) then
pxm=1
end
if (string.find(nxp.name, "pipeworks:flow_sensor") ~= nil)
and (nxp.param2 == 0 or nxp.param2 == 2) then
pxp=1
end
if (string.find(nzm.name, "pipeworks:flow_sensor") ~= nil)
and (nzm.param2 == 1 or nzm.param2 == 3) then
pzm=1
end
if (string.find(nzp.name, "pipeworks:flow_sensor") ~= nil)
and (nzp.param2 == 1 or nzp.param2 == 3) then
pzp=1
end
-- ...spigots...
if (string.find(nxm.name, "pipeworks:spigot") ~= nil)
and nxm.param2 == 1 then
pxm=1
end
if (string.find(nxp.name, "pipeworks:spigot") ~= nil)
and nxp.param2 == 3 then
pxp=1
end
if (string.find(nzm.name, "pipeworks:spigot") ~= nil)
and nzm.param2 == 0 then
pzm=1
end
if (string.find(nzp.name, "pipeworks:spigot") ~= nil)
and nzp.param2 == 2 then
pzp=1
end
-- ...sealed pipe entry/exit...
if (string.find(nxm.name, "pipeworks:entry_panel") ~= nil)
and (nxm.param2 == 1 or nxm.param2 == 3) then
pxm=1
end
if (string.find(nxp.name, "pipeworks:entry_panel") ~= nil)
and (nxp.param2 == 1 or nxp.param2 == 3) then
pxp=1
end
if (string.find(nzm.name, "pipeworks:entry_panel") ~= nil)
and (nzm.param2 == 0 or nzm.param2 == 2) then
pzm=1
end
if (string.find(nzp.name, "pipeworks:entry_panel") ~= nil)
and (nzp.param2 == 0 or nzp.param2 == 2) then
pzp=1
end
if (string.find(nym.name, "pipeworks:entry_panel") ~= nil)
and nym.param2 == 13 then
pym=1
end
if (string.find(nyp.name, "pipeworks:entry_panel") ~= nil)
and nyp.param2 == 13 then
pyp=1
end
-- ...pumps, grates...
if (string.find(nym.name, "pipeworks:grating") ~= nil) or
(string.find(nym.name, "pipeworks:pump") ~= nil) then
pym=1
end
-- ...fountainheads...
if (string.find(nyp.name, "pipeworks:fountainhead") ~= nil) then
pyp=1
end
-- ... and storage tanks.
if (string.find(nym.name, "pipeworks:storage_tank_") ~= nil) then
pym=1
end
if (string.find(nyp.name, "pipeworks:storage_tank_") ~= nil) then
pyp=1
end
-- ...extra devices specified via the function's parameters
-- ...except that this part is not implemented yet
--
-- xxx = nxm, nxp, nym, nyp, nzm, or nzp depending on the direction to check
-- yyy = pxm, pxp, pym, pyp, pzm, or pzp accordingly.
--
-- if string.find(xxx.name, "modname:nodename") ~= nil then
-- yyy = 1
-- end
--
-- for example:
--
-- if string.find(nym.name, "aero:outlet") ~= nil then
-- pym = 1
-- end
--
return pxm+8*pxp+2*pym+16*pyp+4*pzm+32*pzp
end
function pipeworks.look_for_stackable_tanks(pos)
local tym = minetest.get_node({ x=pos.x , y=pos.y-1, z=pos.z })
if string.find(tym.name, "pipeworks:storage_tank_") ~= nil or
string.find(tym.name, "pipeworks:expansion_tank_") ~= nil then
minetest.add_node(pos, { name = "pipeworks:expansion_tank_0", param2 = tym.param2})
end
end
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