Update mesecons_mvps
parent
b299b95fac
commit
29037a05a6
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@ -1,22 +1,17 @@
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-- Register stoppers for pistons
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mesecon.mvps_stoppers={}
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--register stoppers for movestones/pistons
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-- Register nodes which drop as item when pushed or pulled
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mesecon.mvps_droppers={}
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mesecon.mvps_stoppers = {}
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mesecon.mvps_droppers = {}
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mesecon.on_mvps_move = {}
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mesecon.mvps_unmov = {}
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function mesecon.is_mvps_stopper(node, pushdir, stack, stackid)
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local get_stopper = mesecon.mvps_stoppers[node.name]
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if type (get_stopper) == "function" then
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get_stopper = get_stopper(node, pushdir, stack, stackid)
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end
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return get_stopper
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--- Objects (entities) that cannot be moved
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function mesecon.register_mvps_unmov(objectname)
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mesecon.mvps_unmov[objectname] = true;
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end
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function mesecon.register_mvps_stopper(nodename, get_stopper)
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if get_stopper == nil then
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get_stopper = true
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end
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mesecon.mvps_stoppers[nodename] = get_stopper
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function mesecon.is_mvps_unmov(objectname)
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return mesecon.mvps_unmov[objectname]
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end
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function mesecon.is_mvps_dropper(node, pushdir, stack, stackid)
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@ -37,40 +32,151 @@ function mesecon.register_mvps_dropper(nodename, get_dropper)
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mesecon.mvps_droppers[nodename] = get_dropper
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end
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function mesecon.mvps_process_stack(stack)
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-- update mesecons for placed nodes ( has to be done after all nodes have been added )
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for _, n in ipairs(stack) do
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core.check_for_falling(n.pos)
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mesecon.on_placenode(n.pos, minetest.get_node(n.pos))
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mesecon.update_autoconnect(n.pos)
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-- Nodes that cannot be pushed / pulled by movestones, pistons
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function mesecon.is_mvps_stopper(node, pushdir, stack, stackid)
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-- unknown nodes are always stoppers
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if not minetest.registered_nodes[node.name] then
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return true
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end
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local get_stopper = mesecon.mvps_stoppers[node.name]
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if type (get_stopper) == "function" then
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get_stopper = get_stopper(node, pushdir, stack, stackid)
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end
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return get_stopper
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end
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function mesecon.register_mvps_stopper(nodename, get_stopper)
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if get_stopper == nil then
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get_stopper = true
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end
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mesecon.mvps_stoppers[nodename] = get_stopper
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end
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-- Functions to be called on mvps movement
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function mesecon.register_on_mvps_move(callback)
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mesecon.on_mvps_move[#mesecon.on_mvps_move+1] = callback
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end
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local function on_mvps_move(moved_nodes)
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for _, callback in ipairs(mesecon.on_mvps_move) do
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callback(moved_nodes)
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end
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end
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function mesecon.mvps_push(pos, dir, maximum) -- pos: pos of mvps; dir: direction of push; maximum: maximum nodes to be pushed
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np = {x = pos.x, y = pos.y, z = pos.z}
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function mesecon.mvps_process_stack(stack)
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-- update mesecons for placed nodes ( has to be done after all nodes have been added )
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for _, n in ipairs(stack) do
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mesecon.on_placenode(n.pos, minetest.get_node(n.pos))
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end
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end
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-- determine the number of nodes to be pushed
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local nodes = {}
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while true do
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nn = minetest.get_node_or_nil(np)
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if not nn or #nodes > maximum then
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-- don't push at all, something is in the way (unloaded map or too many nodes)
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return
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end
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-- tests if the node can be pushed into, e.g. air, water, grass
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local function node_replaceable(name)
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if name == "ignore" then return true end
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if nn.name == "air"
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or minetest.registered_nodes[nn.name].liquidtype ~= "none" then --is liquid
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break
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end
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table.insert (nodes, {node = nn, pos = np})
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np = vector.add(np, dir)
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if minetest.registered_nodes[name] then
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return minetest.registered_nodes[name].buildable_to or false
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end
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-- determine if one of the nodes blocks the push
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return false
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end
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function mesecon.mvps_get_stack(pos, dir, maximum, all_pull_sticky)
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-- determine the number of nodes to be pushed
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local nodes = {}
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local frontiers = {pos}
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while #frontiers > 0 do
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local np = frontiers[1]
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local nn = minetest.get_node(np)
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if not node_replaceable(nn.name) then
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table.insert(nodes, {node = nn, pos = np})
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if #nodes > maximum then return nil end
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-- add connected nodes to frontiers, connected is a vector list
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-- the vectors must be absolute positions
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local connected = {}
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if minetest.registered_nodes[nn.name]
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and minetest.registered_nodes[nn.name].mvps_sticky then
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connected = minetest.registered_nodes[nn.name].mvps_sticky(np, nn)
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end
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table.insert(connected, vector.add(np, dir))
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-- If adjacent node is sticky block and connects add that
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-- position to the connected table
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for _, r in ipairs(mesecon.rules.alldirs) do
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local adjpos = vector.add(np, r)
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local adjnode = minetest.get_node(adjpos)
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if minetest.registered_nodes[adjnode.name]
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and minetest.registered_nodes[adjnode.name].mvps_sticky then
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local sticksto = minetest.registered_nodes[adjnode.name]
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.mvps_sticky(adjpos, adjnode)
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-- connects to this position?
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for _, link in ipairs(sticksto) do
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if vector.equals(link, np) then
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table.insert(connected, adjpos)
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end
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end
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end
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end
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if all_pull_sticky then
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table.insert(connected, vector.subtract(np, dir))
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end
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-- Make sure there are no duplicates in frontiers / nodes before
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-- adding nodes in "connected" to frontiers
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for _, cp in ipairs(connected) do
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local duplicate = false
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for _, rp in ipairs(nodes) do
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if vector.equals(cp, rp.pos) then
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duplicate = true
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end
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end
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for _, fp in ipairs(frontiers) do
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if vector.equals(cp, fp) then
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duplicate = true
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end
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end
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if not duplicate then
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table.insert(frontiers, cp)
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end
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end
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end
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table.remove(frontiers, 1)
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end
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return nodes
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end
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function mesecon.mvps_push(pos, dir, maximum)
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return mesecon.mvps_push_or_pull(pos, dir, dir, maximum)
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end
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function mesecon.mvps_pull_all(pos, dir, maximum)
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return mesecon.mvps_push_or_pull(pos, vector.multiply(dir, -1), dir, maximum, true)
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end
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function mesecon.mvps_pull_single(pos, dir, maximum)
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return mesecon.mvps_push_or_pull(pos, vector.multiply(dir, -1), dir, maximum)
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end
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-- pos: pos of mvps; stackdir: direction of building the stack
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-- movedir: direction of actual movement
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-- maximum: maximum nodes to be pushed
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-- all_pull_sticky: All nodes are sticky in the direction that they are pulled from
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function mesecon.mvps_push_or_pull(pos, stackdir, movedir, maximum, all_pull_sticky)
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local nodes = mesecon.mvps_get_stack(pos, movedir, maximum, all_pull_sticky)
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if not nodes then return end
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-- determine if one of the nodes blocks the push / pull
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for id, n in ipairs(nodes) do
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if mesecon.is_mvps_stopper(n.node, dir, nodes, id) then
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if mesecon.is_mvps_stopper(n.node, movedir, nodes, id) then
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return
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end
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end
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@ -79,10 +185,10 @@ function mesecon.mvps_push(pos, dir, maximum) -- pos: pos of mvps; dir: directio
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-- remove all nodes
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for id, n in ipairs(nodes) do
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n.meta = minetest.get_meta(n.pos):to_table()
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local is_dropper = mesecon.is_mvps_dropper(n.node, dir, nodes, id)
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local is_dropper = mesecon.is_mvps_dropper(n.node, movedir, nodes, id)
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if is_dropper then
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local drops = minetest.get_node_drops(n.node.name, "")
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local droppos = vector.add(n.pos, dir)
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local droppos = vector.add(n.pos, movedir)
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minetest.handle_node_drops(droppos, drops, nil)
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end
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minetest.remove_node(n.pos)
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@ -98,7 +204,6 @@ function mesecon.mvps_push(pos, dir, maximum) -- pos: pos of mvps; dir: directio
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break
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end
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mesecon.on_dignode(n.pos, n.node)
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mesecon.update_autoconnect(n.pos)
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end
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-- add nodes
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@ -106,7 +211,7 @@ function mesecon.mvps_push(pos, dir, maximum) -- pos: pos of mvps; dir: directio
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if first_dropper and id >= first_dropper then
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break
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end
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np = vector.add(n.pos, dir)
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np = vector.add(n.pos, movedir)
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minetest.add_node(np, n.node)
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minetest.get_meta(np):from_table(n.meta)
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end
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@ -115,53 +220,67 @@ function mesecon.mvps_push(pos, dir, maximum) -- pos: pos of mvps; dir: directio
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if first_dropper and i >= first_dropper then
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break
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end
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nodes[i].pos = vector.add(nodes[i].pos, dir)
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nodes[i].pos = vector.add(nodes[i].pos, movedir)
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end
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return true, nodes
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end
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function mesecon.mvps_pull_single(pos, dir) -- pos: pos of mvps; direction: direction of pull (matches push direction for sticky pistons)
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np = vector.add(pos, dir)
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nn = minetest.get_node(np)
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if minetest.registered_nodes[nn.name].liquidtype == "none"
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and not mesecon.is_mvps_stopper(nn, {x = -dir.x, y = -dir.y, z = -dir.z}, {{pos = np, node = nn}}, 1)
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and not mesecon.is_mvps_dropper(nn, {x = -dir.x, y = -dir.y, z = -dir.z}, {{pos = np, node = nn}}, 1) then
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local meta = minetest.get_meta(np):to_table()
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minetest.remove_node(np)
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minetest.add_node(pos, nn)
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minetest.get_meta(pos):from_table(meta)
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core.check_for_falling(np)
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core.check_for_falling(pos)
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mesecon.on_dignode(np, nn)
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mesecon.update_autoconnect(np)
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local moved_nodes = {}
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local oldstack = mesecon.tablecopy(nodes)
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for i in ipairs(nodes) do
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moved_nodes[i] = {}
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moved_nodes[i].oldpos = nodes[i].pos
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nodes[i].pos = vector.add(nodes[i].pos, movedir)
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moved_nodes[i].pos = nodes[i].pos
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moved_nodes[i].node = nodes[i].node
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moved_nodes[i].meta = nodes[i].meta
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end
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return {{pos = np, node = {param2 = 0, name = "air"}}, {pos = pos, node = nn}}
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on_mvps_move(moved_nodes)
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return true, nodes, oldstack
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end
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function mesecon.mvps_pull_all(pos, direction) -- pos: pos of mvps; direction: direction of pull
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local lpos = {x=pos.x-direction.x, y=pos.y-direction.y, z=pos.z-direction.z} -- 1 away
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local lnode = minetest.get_node(lpos)
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local lpos2 = {x=pos.x-direction.x*2, y=pos.y-direction.y*2, z=pos.z-direction.z*2} -- 2 away
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local lnode2 = minetest.get_node(lpos2)
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mesecon.register_on_mvps_move(function(moved_nodes)
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for _, n in ipairs(moved_nodes) do
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mesecon.on_placenode(n.pos, n.node)
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end
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end)
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if lnode.name ~= "ignore" and lnode.name ~= "air" and minetest.registered_nodes[lnode.name].liquidtype == "none" then return end
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if lnode2.name == "ignore" or lnode2.name == "air" or not(minetest.registered_nodes[lnode2.name].liquidtype == "none") then return end
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function mesecon.mvps_move_objects(pos, dir, nodestack)
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local objects_to_move = {}
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local oldpos = {x=lpos2.x+direction.x, y=lpos2.y+direction.y, z=lpos2.z+direction.z}
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repeat
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lnode2 = minetest.get_node(lpos2)
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minetest.add_node(oldpos, {name=lnode2.name})
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core.check_for_falling(oldpos)
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oldpos = {x=lpos2.x, y=lpos2.y, z=lpos2.z}
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lpos2.x = lpos2.x-direction.x
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lpos2.y = lpos2.y-direction.y
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lpos2.z = lpos2.z-direction.z
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lnode = minetest.get_node(lpos2)
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until lnode.name=="air" or lnode.name=="ignore" or not(minetest.registered_nodes[lnode2.name].liquidtype == "none")
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minetest.remove_node(oldpos)
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-- Move object at tip of stack, pushpos is position at tip of stack
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local pushpos = vector.add(pos, vector.multiply(dir, #nodestack))
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local objects = minetest.get_objects_inside_radius(pushpos, 1)
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for _, obj in ipairs(objects) do
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table.insert(objects_to_move, obj)
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end
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-- Move objects lying/standing on the stack (before it was pushed - oldstack)
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if tonumber(minetest.setting_get("movement_gravity")) > 0 and dir.y == 0 then
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-- If gravity positive and dir horizontal, push players standing on the stack
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for _, n in ipairs(nodestack) do
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local p_above = vector.add(n.pos, {x=0, y=1, z=0})
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local objects = minetest.get_objects_inside_radius(p_above, 1)
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for _, obj in ipairs(objects) do
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table.insert(objects_to_move, obj)
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end
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end
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end
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for _, obj in ipairs(objects_to_move) do
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local entity = obj:get_luaentity()
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if not entity or not mesecon.is_mvps_unmov(entity.name) then
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local np = vector.add(obj:getpos(), dir)
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--move only if destination is not solid
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local nn = minetest.get_node(np)
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if not ((not minetest.registered_nodes[nn.name])
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or minetest.registered_nodes[nn.name].walkable) then
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obj:setpos(np)
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end
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end
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end
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end
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mesecon.register_mvps_stopper("mcl_core:obsidian")
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@ -203,3 +322,5 @@ mesecon.register_mvps_stopper("mesecons_solarpanel:solar_panel_inverted_off")
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mesecon.register_mvps_stopper("mesecons_solarpanel:solar_panel_inverted_on")
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mesecon.register_mvps_stopper("mesecons_noteblock:noteblock")
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mesecon.register_mvps_stopper("3d_armor_stand:armor_stand")
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mesecon.register_on_mvps_move(mesecon.move_hot_nodes)
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@ -77,9 +77,9 @@ end
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local piston_on = function (pos, node)
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local pistonspec = minetest.registered_nodes[node.name].mesecons_piston
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dir = piston_get_direction(pistonspec.dir, node)
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local dir = piston_get_direction(pistonspec.dir, node)
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local np = vector.add(pos, dir)
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success, stack = mesecon.mvps_push(np, dir, PISTON_MAXIMUM_PUSH)
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local success, stack, oldstack = mesecon.mvps_push(np, dir, PISTON_MAXIMUM_PUSH)
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if success then
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minetest.add_node(pos, {param2 = node.param2, name = pistonspec.onname})
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minetest.add_node(np, {param2 = node.param2, name = pistonspec.pusher})
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@ -88,6 +88,7 @@ local piston_on = function (pos, node)
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minetest.set_node({x=np.x,y=np.y-1,z=np.z}, {name = "mcl_core:dirt"})
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end
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mesecon.mvps_process_stack(stack)
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mesecon.mvps_move_objects(np, dir, oldstack)
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minetest.sound_play("piston_extend", {
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pos = pos,
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max_hear_distance = 20,
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@ -102,10 +103,10 @@ local piston_off = function (pos, node)
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piston_remove_pusher (pos, node)
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if pistonspec.sticky then
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dir = piston_get_direction(pistonspec.dir, node)
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pullpos = vector.add(pos, dir)
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stack = mesecon.mvps_pull_single(pullpos, dir)
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mesecon.mvps_process_stack(stack)
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local dir = piston_get_direction(pistonspec.dir, node)
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local pullpos = vector.add(pos, vector.multiply(dir, 2))
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local stack = mesecon.mvps_pull_single(pullpos, vector.multiply(dir, -1), PISTON_MAXIMUM_PUSH)
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mesecon.mvps_process_stack(pos, dir, stack)
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end
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end
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