mirror of
https://github.com/minetest-mods/mesecons.git
synced 2024-08-20 04:54:11 +02:00
Respect protection in MVPS (#466)
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1bf862f932
commit
15e743629e
@ -43,10 +43,16 @@ function mesecon.register_movestone(name, def, is_sticky, is_vertical)
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local function movestone_move(pos, node, rulename)
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local function movestone_move(pos, node, rulename)
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local direction = get_movestone_direction(rulename, is_vertical)
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local direction = get_movestone_direction(rulename, is_vertical)
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local frontpos = vector.add(pos, direction)
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local frontpos = vector.add(pos, direction)
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local meta = minetest.get_meta(pos)
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local owner = meta:get_string("owner")
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-- ### Step 1: Push nodes in front ###
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-- ### Step 1: Push nodes in front ###
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local success, stack, oldstack = mesecon.mvps_push(frontpos, direction, max_push)
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local success, stack, oldstack = mesecon.mvps_push(frontpos, direction, max_push, owner)
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if not success then
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if not success then
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if stack == "protected" then
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meta:set_string("infotext", "Can't move: protected area on the way")
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return
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end
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minetest.get_node_timer(pos):start(timer_interval)
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minetest.get_node_timer(pos):start(timer_interval)
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return
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return
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end
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end
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@ -54,6 +60,8 @@ function mesecon.register_movestone(name, def, is_sticky, is_vertical)
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-- ### Step 2: Move the movestone ###
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-- ### Step 2: Move the movestone ###
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minetest.set_node(frontpos, node)
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minetest.set_node(frontpos, node)
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local meta2 = minetest.get_meta(frontpos)
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meta2:set_string("owner", owner)
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minetest.remove_node(pos)
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minetest.remove_node(pos)
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mesecon.on_dignode(pos, node)
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mesecon.on_dignode(pos, node)
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mesecon.on_placenode(frontpos, node)
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mesecon.on_placenode(frontpos, node)
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@ -62,7 +70,7 @@ function mesecon.register_movestone(name, def, is_sticky, is_vertical)
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-- ### Step 3: If sticky, pull stack behind ###
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-- ### Step 3: If sticky, pull stack behind ###
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if is_sticky then
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if is_sticky then
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local backpos = vector.subtract(pos, direction)
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local backpos = vector.subtract(pos, direction)
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success, stack, oldstack = mesecon.mvps_pull_all(backpos, direction, max_pull)
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success, stack, oldstack = mesecon.mvps_pull_all(backpos, direction, max_pull, owner)
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if success then
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if success then
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mesecon.mvps_move_objects(backpos, vector.multiply(direction, -1), oldstack, -1)
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mesecon.mvps_move_objects(backpos, vector.multiply(direction, -1), oldstack, -1)
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end
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end
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@ -83,6 +91,16 @@ function mesecon.register_movestone(name, def, is_sticky, is_vertical)
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rules = mesecon.rules.default,
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rules = mesecon.rules.default,
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}}
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}}
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def.after_place_node = mesecon.mvps_set_owner
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def.on_punch = function(pos, node, player)
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local player_name = player and player.get_player_name and player:get_player_name()
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if mesecon.mvps_claim(pos, player_name) then
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minetest.get_node_timer(pos):start(timer_interval)
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minetest.chat_send_player(player_name, "Reclaimed movestone")
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end
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end
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def.on_timer = function(pos, elapsed)
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def.on_timer = function(pos, elapsed)
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local sourcepos = mesecon.is_powered(pos)
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local sourcepos = mesecon.is_powered(pos)
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if not sourcepos then
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if not sourcepos then
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@ -133,31 +133,100 @@ function mesecon.mvps_get_stack(pos, dir, maximum, all_pull_sticky)
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return nodes
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return nodes
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end
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end
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function mesecon.mvps_push(pos, dir, maximum)
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function mesecon.mvps_set_owner(pos, placer)
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return mesecon.mvps_push_or_pull(pos, dir, dir, maximum)
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local meta = minetest.get_meta(pos)
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local owner = placer and placer.get_player_name and placer:get_player_name()
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if owner and owner ~= "" then
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meta:set_string("owner", owner)
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else
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meta:set_string("owner", "$unknown") -- to distinguish from older pistons
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end
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end
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end
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function mesecon.mvps_pull_all(pos, dir, maximum)
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function mesecon.mvps_claim(pos, player_name)
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return mesecon.mvps_push_or_pull(pos, vector.multiply(dir, -1), dir, maximum, true)
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if not player_name or player_name == "" then return end
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local meta = minetest.get_meta(pos)
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if meta:get_string("infotext") == "" then return end
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if meta:get_string("owner") == player_name then return end -- already owned
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if minetest.is_protected(pos, player_name) then
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minetest.chat_send_player(player_name, "Can't reclaim: protected")
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return
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end
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meta:set_string("owner", player_name)
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meta:set_string("infotext", "")
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return true
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end
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end
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function mesecon.mvps_pull_single(pos, dir, maximum)
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local function add_pos(positions, pos)
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return mesecon.mvps_push_or_pull(pos, vector.multiply(dir, -1), dir, maximum)
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local hash = minetest.hash_node_position(pos)
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positions[hash] = pos
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end
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end
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-- pos: pos of mvps; stackdir: direction of building the stack
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local function are_protected(positions, player_name)
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local mode = mesecon.setting("mvps_protection_mode", "normal")
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if mode == "ignore" then
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return false
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end
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local name = player_name
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if player_name == "" or not player_name then -- legacy MVPS
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if mode == "normal" then
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name = "$unknown" -- sentinel, for checking for *any* protection
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elseif mode == "compat" then
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return false
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elseif mode == "restrict" then
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return true
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else
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error("Invalid protection mode")
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end
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end
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local is_protected = minetest.is_protected
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for _, pos in pairs(positions) do
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if is_protected(pos, name) then
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return true
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end
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end
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return false
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end
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function mesecon.mvps_push(pos, dir, maximum, player_name)
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return mesecon.mvps_push_or_pull(pos, dir, dir, maximum, false, player_name)
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end
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function mesecon.mvps_pull_all(pos, dir, maximum, player_name)
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return mesecon.mvps_push_or_pull(pos, vector.multiply(dir, -1), dir, maximum, true, player_name)
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end
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function mesecon.mvps_pull_single(pos, dir, maximum, player_name)
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return mesecon.mvps_push_or_pull(pos, vector.multiply(dir, -1), dir, maximum, false, player_name)
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end
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-- pos: pos of mvps
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-- stackdir: direction of building the stack
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-- movedir: direction of actual movement
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-- movedir: direction of actual movement
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-- maximum: maximum nodes to be pushed
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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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-- 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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-- player_name: Player responsible for the action.
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-- - empty string means legacy MVPS, actual check depends on configuration
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-- - "$unknown" is a sentinel for forcing the check
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function mesecon.mvps_push_or_pull(pos, stackdir, movedir, maximum, all_pull_sticky, player_name)
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local nodes = mesecon.mvps_get_stack(pos, 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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if not nodes then return end
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local protection_check_set = {}
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if vector.equals(stackdir, movedir) then -- pushing
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add_pos(protection_check_set, pos)
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end
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-- determine if one of the nodes blocks the push / pull
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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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for id, n in ipairs(nodes) do
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if mesecon.is_mvps_stopper(n.node, movedir, 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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return
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end
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end
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add_pos(protection_check_set, n.pos)
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add_pos(protection_check_set, vector.add(n.pos, movedir))
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end
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if are_protected(protection_check_set, player_name) then
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return false, "protected"
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end
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end
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-- remove all nodes
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-- remove all nodes
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@ -86,11 +86,15 @@ local piston_on = function(pos, node)
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local pistonspec = get_pistonspec(node.name, "offname")
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local pistonspec = get_pistonspec(node.name, "offname")
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local dir = vector.multiply(minetest.facedir_to_dir(node.param2), -1)
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local dir = vector.multiply(minetest.facedir_to_dir(node.param2), -1)
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local pusher_pos = vector.add(pos, dir)
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local pusher_pos = vector.add(pos, dir)
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local success, stack, oldstack = mesecon.mvps_push(pusher_pos, dir, max_push)
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local meta = minetest.get_meta(pos)
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local success, stack, oldstack = mesecon.mvps_push(pusher_pos, dir, max_push, meta:get_string("owner"))
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if not success then
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if not success then
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if stack == "protected" then
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meta:set_string("infotext", "Can't extend: protected area on the way")
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end
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return
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return
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end
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end
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minetest.set_node(pos, {param2 = node.param2, name = pistonspec.onname})
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minetest.swap_node(pos, {param2 = node.param2, name = pistonspec.onname})
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minetest.set_node(pusher_pos, {param2 = node.param2, name = pistonspec.pusher})
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minetest.set_node(pusher_pos, {param2 = node.param2, name = pistonspec.pusher})
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minetest.sound_play("piston_extend", {
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minetest.sound_play("piston_extend", {
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pos = pos,
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pos = pos,
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@ -103,15 +107,16 @@ end
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local function piston_off(pos, node)
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local function piston_off(pos, node)
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local pistonspec = get_pistonspec(node.name, "onname")
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local pistonspec = get_pistonspec(node.name, "onname")
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minetest.set_node(pos, {param2 = node.param2, name = pistonspec.offname})
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minetest.swap_node(pos, {param2 = node.param2, name = pistonspec.offname})
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piston_remove_pusher(pos, node, not pistonspec.sticky)
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piston_remove_pusher(pos, node, not pistonspec.sticky) -- allow that even in protected area
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if not pistonspec.sticky then
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if not pistonspec.sticky then
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return
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return
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end
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end
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local dir = minetest.facedir_to_dir(node.param2)
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local dir = minetest.facedir_to_dir(node.param2)
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local pullpos = vector.add(pos, vector.multiply(dir, -2))
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local pullpos = vector.add(pos, vector.multiply(dir, -2))
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local success, stack, oldstack = mesecon.mvps_pull_single(pullpos, dir, max_pull)
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local meta = minetest.get_meta(pos)
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local success, stack, oldstack = mesecon.mvps_pull_single(pullpos, dir, max_pull, meta:get_string("owner"))
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if success then
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if success then
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mesecon.mvps_move_objects(pullpos, vector.multiply(dir, -1), oldstack, -1)
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mesecon.mvps_move_objects(pullpos, vector.multiply(dir, -1), oldstack, -1)
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end
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end
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@ -125,6 +130,7 @@ local orientations = {
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}
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}
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local function piston_orientate(pos, placer)
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local function piston_orientate(pos, placer)
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mesecon.mvps_set_owner(pos, placer)
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if not placer then
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if not placer then
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return
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return
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end
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end
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@ -237,6 +243,13 @@ local function piston_rotate_pusher(pos, node, player, mode)
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return piston_rotate_on(piston_pos, piston_node, player, mode)
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return piston_rotate_on(piston_pos, piston_node, player, mode)
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end
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end
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local function piston_punch(pos, node, player)
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local player_name = player and player.get_player_name and player:get_player_name()
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if mesecon.mvps_claim(pos, player_name) then
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minetest.chat_send_player(player_name, "Reclaimed piston")
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end
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end
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-- Boxes:
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-- Boxes:
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@ -279,6 +292,7 @@ minetest.register_node("mesecons_pistons:piston_normal_off", {
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action_on = piston_on,
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action_on = piston_on,
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rules = piston_get_rules,
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rules = piston_get_rules,
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}},
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}},
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on_punch = piston_punch,
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on_rotate = piston_rotate,
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on_rotate = piston_rotate,
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on_blast = mesecon.on_blastnode,
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on_blast = mesecon.on_blastnode,
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})
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})
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@ -357,6 +371,7 @@ minetest.register_node("mesecons_pistons:piston_sticky_off", {
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action_on = piston_on,
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action_on = piston_on,
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rules = piston_get_rules,
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rules = piston_get_rules,
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}},
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}},
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on_punch = piston_punch,
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on_rotate = piston_rotate,
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on_rotate = piston_rotate,
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on_blast = mesecon.on_blastnode,
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on_blast = mesecon.on_blastnode,
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})
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})
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@ -28,6 +28,17 @@ mesecon.luacontroller_memsize (Controller memory limit) int 100000 10000 1000000
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# IID is ignored and at most one interrupt may be queued if this setting is enabled.
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# IID is ignored and at most one interrupt may be queued if this setting is enabled.
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mesecon.luacontroller_lightweight_interrupts (Lightweight interrupts) bool false
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mesecon.luacontroller_lightweight_interrupts (Lightweight interrupts) bool false
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[mesecons_mvps]
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# In pre-existing world, MVPS may not be labelled with the owner.
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# Protection handling for them is configurable.
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# - normal: allow legacy MVPS to work in unprotected areas only
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# - compat: allow legacy MVPS to work everywhere
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# - ignore: allow all MVPS to work everywhere
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# - restrict: disallow legacy MVPS
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# Note that new unowned (e.g. machine-placed) MVPS are always
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# handled as in `normal` mode.
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mesecon.mvps_protection_mode (MVPS [movestones, pistons] protection handling) enum compat normal,compat,ignore,restrict
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[mesecons_movestones]
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[mesecons_movestones]
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