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-rwxr-xr-x[-rw-r--r--]autoplace_tubes.lua108
1 files changed, 35 insertions, 73 deletions
diff --git a/autoplace_tubes.lua b/autoplace_tubes.lua
index c9d5d9f..42cf98b 100644..100755
--- a/autoplace_tubes.lua
+++ b/autoplace_tubes.lua
@@ -1,72 +1,38 @@
-- autorouting for pneumatic tubes
-local function in_table(table,element)
- for _,el in ipairs(table) do
- if el==element then return true end
- end
- return false
-end
-
local function is_tube(nodename)
- return in_table(pipeworks.tubenodes,nodename)
-end
-
-if pipeworks == nil then
- pipeworks = {}
+ return table.contains(pipeworks.tubenodes, nodename)
end
--a function for determining which side of the node we are on
local function nodeside(node, tubedir)
- if node and (node.param2 < 0 or node.param2 > 23) then node.param2 = 0 end
+ if node.param2 < 0 or node.param2 > 23 then
+ node.param2 = 0
+ end
- --get a vector pointing back
local backdir = minetest.facedir_to_dir(node.param2)
-
- --check whether the vector is equivalent to the tube direction; if it is, the tube's on the backside
- if backdir.x == tubedir.x and backdir.y == tubedir.y and backdir.z == tubedir.z then
+ local back = vector.dot(backdir, tubedir)
+ if back == 1 then
return "back"
- end
-
- --check whether the vector is antiparallel with the tube direction; that indicates the front
- if backdir.x == -tubedir.x and backdir.y == -tubedir.y and backdir.z == -tubedir.z then
+ elseif back == -1 then
return "front"
end
- --facedir is defined in terms of the top-bottom axis of the node; we'll take advantage of that
- local topdir = ({[0]={x=0, y=1, z=0},
- {x=0, y=0, z=1},
- {x=0, y=0, z=-1},
- {x=1, y=0, z=0},
- {x=-1, y=0, z=0},
- {x=0, y=-1, z=0}})[math.floor(node.param2/4)]
-
- --is this the top?
- if topdir.x == tubedir.x and topdir.y == tubedir.y and topdir.z == tubedir.z then
+ local topdir = minetest.facedir_to_top_dir(node.param2)
+ local top = vector.dot(topdir, tubedir)
+ if top == 1 then
return "top"
- end
-
- --or the bottom?
- if topdir.x == -tubedir.x and topdir.y == -tubedir.y and topdir.z == -tubedir.z then
+ elseif top == -1 then
return "bottom"
end
- --we shall apply some maths to obtain the right-facing vector
- local rightdir = {x=topdir.y*backdir.z - backdir.y*topdir.z,
- y=topdir.z*backdir.x - backdir.z*topdir.x,
- z=topdir.x*backdir.y - backdir.x*topdir.y}
-
- --is this the right side?
- if rightdir.x == tubedir.x and rightdir.y == tubedir.y and rightdir.z == tubedir.z then
+ local rightdir = minetest.facedir_to_right_dir(node.param2)
+ local right = vector.dot(rightdir, tubedir)
+ if right == 1 then
return "right"
- end
-
- --or the left?
- if rightdir.x == -tubedir.x and rightdir.y == -tubedir.y and rightdir.z == -tubedir.z then
+ else
return "left"
end
-
- --we should be done by now; initiate panic mode
- minetest.log("error", "nodeside has been confused by its parameters; see pipeworks autoplace_tubes.lua, line 78")
end
local vts = {0, 3, 1, 4, 2, 5}
@@ -78,23 +44,23 @@ local function tube_autoroute(pos)
if not is_tube(nctr.name) then return end
local adjustments = {
- { x=-1, y=0, z=0 },
- { x=1, y=0, z=0 },
- { x=0, y=-1, z=0 },
- { x=0, y=1, z=0 },
- { x=0, y=0, z=-1 },
- { x=0, y=0, z=1 }
+ {x = -1, y = 0, z = 0},
+ {x = 1, y = 0, z = 0},
+ {x = 0, y = -1, z = 0},
+ {x = 0, y = 1, z = 0},
+ {x = 0, y = 0, z = -1},
+ {x = 0, y = 0, z = 1}
}
-- xm = 1, xp = 2, ym = 3, yp = 4, zm = 5, zp = 6
local positions = {}
local nodes = {}
- for i,adj in ipairs(adjustments) do
- positions[i] = {x=pos.x+adj.x, y=pos.y+adj.y, z=pos.z+adj.z}
+ for i, adj in ipairs(adjustments) do
+ positions[i] = vector.add(pos, adj)
nodes[i] = minetest.get_node(positions[i])
end
- for i,node in ipairs(nodes) do
+ for i, node in ipairs(nodes) do
local idef = minetest.registered_nodes[node.name]
-- handle the tubes themselves
if is_tube(node.name) then
@@ -102,7 +68,9 @@ local function tube_autoroute(pos)
-- handle new style connectors
elseif idef and idef.tube and idef.tube.connect_sides then
local dir = adjustments[i]
- if idef.tube.connect_sides[nodeside(node, {x=-dir.x, y=-dir.y, z=-dir.z})] then active[i] = 1 end
+ if idef.tube.connect_sides[nodeside(node, vector.multiply(dir, -1))] then
+ active[i] = 1
+ end
end
end
@@ -110,18 +78,17 @@ local function tube_autoroute(pos)
local nodedef = minetest.registered_nodes[nctr.name]
local basename = nodedef.basename
- local newname
if nodedef.style == "old" then
local nsurround = ""
- for i,n in ipairs(active) do
- nsurround = nsurround .. n
+ for i, n in ipairs(active) do
+ nsurround = nsurround..n
end
nctr.name = basename.."_"..nsurround
elseif nodedef.style == "6d" then
local s = 0
- for i,n in ipairs(active) do
+ for i, n in ipairs(active) do
if n == 1 then
- s = s+2^vts[i]
+ s = s + 2^vts[i]
end
end
nctr.name = basename.."_"..tube_table[s]
@@ -131,14 +98,9 @@ local function tube_autoroute(pos)
end
function pipeworks.scan_for_tube_objects(pos)
- if not pos or not pos.x or not pos.y or not pos.z then return end
- tube_autoroute({ x=pos.x-1, y=pos.y , z=pos.z })
- tube_autoroute({ x=pos.x+1, y=pos.y , z=pos.z })
- tube_autoroute({ x=pos.x , y=pos.y-1, z=pos.z })
- tube_autoroute({ x=pos.x , y=pos.y+1, z=pos.z })
- tube_autoroute({ x=pos.x , y=pos.y , z=pos.z-1 })
- tube_autoroute({ x=pos.x , y=pos.y , z=pos.z+1 })
- tube_autoroute(pos)
+ for side = 0, 6 do
+ tube_autoroute(vector.add(pos, directions.side_to_dir(side)))
+ end
end
minetest.register_on_placenode(function(pos, newnode, placer, oldnode, itemstack)
@@ -157,7 +119,7 @@ minetest.register_on_dignode(function(pos, oldnode, digger)
end
end)
-if minetest.get_modpath("mesecons_mvps") ~= nil then
+if minetest.get_modpath("mesecons_mvps") then
mesecon:register_on_mvps_move(function(moved_nodes)
for _, n in ipairs(moved_nodes) do
pipeworks.scan_for_tube_objects(n.pos)