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A few more fixes (spamming the commit log again...)
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Novatux
@ -12,7 +12,7 @@ local function is_tube(nodename)
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end
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if pipeworks == nil then
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pipeworks = {}
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pipeworks = {}
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end
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--a function for determining which side of the node we are on
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@ -23,105 +23,100 @@ local function nodeside(node, tubedir)
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return "back"
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end
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--get a vector pointing back
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local backdir = minetest.facedir_to_dir(node.param2)
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--get a vector pointing back
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local backdir = minetest.facedir_to_dir(node.param2)
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--check whether the vector is equivalent to the tube direction; if it is, the tube's on the backside
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if backdir.x == tubedir.x and backdir.y == tubedir.y and backdir.z == tubedir.z then
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return "back"
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end
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--check whether the vector is equivalent to the tube direction; if it is, the tube's on the backside
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if backdir.x == tubedir.x and backdir.y == tubedir.y and backdir.z == tubedir.z then
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return "back"
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end
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--check whether the vector is antiparallel with the tube direction; that indicates the front
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if backdir.x == -tubedir.x and backdir.y == -tubedir.y and backdir.z == -tubedir.z then
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return "front"
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end
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--check whether the vector is antiparallel with the tube direction; that indicates the front
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if backdir.x == -tubedir.x and backdir.y == -tubedir.y and backdir.z == -tubedir.z then
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return "front"
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end
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--facedir is defined in terms of the top-bottom axis of the node; we'll take advantage of that
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local topdir = ({[0]={x=0, y=1, z=0},
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{x=0, y=0, z=1},
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{x=0, y=0, z=-1},
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{x=1, y=0, z=0},
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{x=-1, y=0, z=0},
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{x=0, y=-1, z=0}})[math.floor(node.param2/4)]
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--facedir is defined in terms of the top-bottom axis of the node; we'll take advantage of that
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local topdir = ({[0]={x=0, y=1, z=0},
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{x=0, y=0, z=1},
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{x=0, y=0, z=-1},
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{x=1, y=0, z=0},
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{x=-1, y=0, z=0},
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{x=0, y=-1, z=0}})[math.floor(node.param2/4)]
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--is this the top?
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if topdir.x == tubedir.x and topdir.y == tubedir.y and topdir.z == tubedir.z then
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return "top"
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end
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--is this the top?
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if topdir.x == tubedir.x and topdir.y == tubedir.y and topdir.z == tubedir.z then
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return "top"
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end
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--or the bottom?
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if topdir.x == -tubedir.x and topdir.y == -tubedir.y and topdir.z == -tubedir.z then
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return "bottom"
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end
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--or the bottom?
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if topdir.x == -tubedir.x and topdir.y == -tubedir.y and topdir.z == -tubedir.z then
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return "bottom"
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end
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--we shall apply some maths to obtain the right-facing vector
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local rightdir = {x=topdir.y*backdir.z - backdir.y*topdir.z,
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y=topdir.z*backdir.x - backdir.z*topdir.x,
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z=topdir.x*backdir.y - backdir.x*topdir.y}
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--we shall apply some maths to obtain the right-facing vector
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local rightdir = {x=topdir.y*backdir.z - backdir.y*topdir.z,
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y=topdir.z*backdir.x - backdir.z*topdir.x,
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z=topdir.x*backdir.y - backdir.x*topdir.y}
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--is this the right side?
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if rightdir.x == tubedir.x and rightdir.y == tubedir.y and rightdir.z == tubedir.z then
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return "right"
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end
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--is this the right side?
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if rightdir.x == tubedir.x and rightdir.y == tubedir.y and rightdir.z == tubedir.z then
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return "right"
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end
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--or the left?
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if rightdir.x == -tubedir.x and rightdir.y == -tubedir.y and rightdir.z == -tubedir.z then
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return "left"
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end
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--or the left?
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if rightdir.x == -tubedir.x and rightdir.y == -tubedir.y and rightdir.z == -tubedir.z then
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return "left"
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end
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--we should be done by now; initiate panic mode
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minetest.log("error", "nodeside has been confused by its parameters; see pipeworks autoplace_tubes.lua, line 78")
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--we should be done by now; initiate panic mode
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minetest.log("error", "nodeside has been confused by its parameters; see pipeworks autoplace_tubes.lua, line 78")
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end
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local function tube_autoroute(pos)
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local active = {0, 0, 0, 0, 0, 0}
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local nctr = minetest.get_node(pos)
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if not is_tube(nctr.name) then return end
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local nctr = minetest.get_node(pos)
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if not is_tube(nctr.name) then return end
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local adjustments = {
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{ x=-1, y=0, z=0 },
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{ x=1, y=0, z=0 },
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{ x=0, y=-1, z=0 },
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{ x=0, y=1, z=0 },
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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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-- xm = 1, xp = 2, ym = 3, yp = 4, zm = 5, zp = 6
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local adjustments = {
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{ x=-1, y=0, z=0 },
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{ x=1, y=0, z=0 },
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{ x=0, y=-1, z=0 },
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{ x=0, y=1, z=0 },
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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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-- xm = 1, xp = 2, ym = 3, yp = 4, zm = 5, zp = 6
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local positions = {}
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local nodes = {}
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for i,adj in ipairs(adjustments) do
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positions[i] = {x=pos.x+adj.x, y=pos.y+adj.y, z=pos.z+adj.z}
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nodes[i] = minetest.get_node(positions[i])
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end
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local positions = {}
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local nodes = {}
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for i,adj in ipairs(adjustments) do
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positions[i] = {x=pos.x+adj.x, y=pos.y+adj.y, z=pos.z+adj.z}
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nodes[i] = minetest.get_node(positions[i])
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end
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for i,node in ipairs(nodes) do
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local idef = minetest.registered_nodes[node.name]
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-- handle the tubes themselves
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if is_tube(node.name) then
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active[i] = 1
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-- handle new style connectors
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elseif idef.tube and idef.tube.connect_sides then
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local dir = adjustments[i]
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if idef.tube.connect_sides[nodeside(node, {x=-dir.x, y=-dir.y, z=-dir.z})] then active[i] = 1 end
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end
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end
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for i,node in ipairs(nodes) do
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local idef = minetest.registered_nodes[node.name]
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-- handle the tubes themselves
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if is_tube(node.name) then
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active[i] = 1
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-- handle new style connectors
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elseif idef.tube and idef.tube.connect_sides then
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local dir = adjustments[i]
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if idef.tube.connect_sides[nodeside(node, {x=-dir.x, y=-dir.y, z=-dir.z})] then active[i] = 1 end
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end
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end
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-- all sides checked, now figure which tube to use.
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-- all sides checked, now figure which tube to use.
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local nsurround = ""
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for i,n in ipairs(active) do
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nsurround = nsurround .. n
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end
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local newname=string.sub(nctr.name,1,-7)..nsurround
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local newname = string.sub(nctr.name, 1, -7)..nsurround
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if newname == nctr.name then return end
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local meta=minetest.get_meta(pos)
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local meta0=meta:to_table() -- XXX: hacky_swap_node
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nctr.name = newname
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minetest.add_node(pos, nctr)
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local meta=minetest.get_meta(pos)
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meta:from_table(meta0)
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local nctr = minetest.get_node(pos)
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minetest.swap_node(pos, nctr)
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end
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function pipeworks.scan_for_tube_objects(pos)
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