forked from minetest-mods/mesecons
Fix #189, clean code and update documentation
This commit is contained in:
Jeija
@@ -1,50 +1,50 @@
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-- Internal.lua - The core of mesecons
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--
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-- For more practical developer resources see mesecons.tk
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-- For more practical developer resources see http://mesecons.net/developers.php
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--
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-- Function overview
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-- mesecon.get_effector(nodename) --> Returns the mesecons.effector -specifictation in the nodedef by the nodename
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-- mesecon.get_receptor(nodename) --> Returns the mesecons.receptor -specifictation in the nodedef by the nodename
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-- mesecon.get_conductor(nodename) --> Returns the mesecons.conductor-specifictation in the nodedef by the nodename
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-- mesecon.get_any_inputrules (node) --> Returns the rules of a node if it is a conductor or an effector
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-- mesecon.get_any_outputrules (node) --> Returns the rules of a node if it is a conductor or a receptor
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-- mesecon.get_effector(nodename) --> Returns the mesecons.effector -specifictation in the nodedef by the nodename
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-- mesecon.get_receptor(nodename) --> Returns the mesecons.receptor -specifictation in the nodedef by the nodename
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-- mesecon.get_conductor(nodename) --> Returns the mesecons.conductor-specifictation in the nodedef by the nodename
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-- mesecon.get_any_inputrules (node) --> Returns the rules of a node if it is a conductor or an effector
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-- mesecon.get_any_outputrules (node) --> Returns the rules of a node if it is a conductor or a receptor
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-- RECEPTORS
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-- mesecon.is_receptor(nodename) --> Returns true if nodename is a receptor
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-- mesecon.is_receptor_on(nodename) --> Returns true if nodename is an receptor with state = mesecon.state.on
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-- mesecon.is_receptor_off(nodename) --> Returns true if nodename is an receptor with state = mesecon.state.off
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-- mesecon.receptor_get_rules(node) --> Returns the rules of the receptor (mesecon.rules.default if none specified)
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-- mesecon.is_receptor(nodename) --> Returns true if nodename is a receptor
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-- mesecon.is_receptor_on(nodename --> Returns true if nodename is an receptor with state = mesecon.state.on
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-- mesecon.is_receptor_off(nodename) --> Returns true if nodename is an receptor with state = mesecon.state.off
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-- mesecon.receptor_get_rules(node) --> Returns the rules of the receptor (mesecon.rules.default if none specified)
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-- EFFECTORS
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-- mesecon.is_effector(nodename) --> Returns true if nodename is an effector
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-- mesecon.is_effector_on(nodename) --> Returns true if nodename is an effector with nodedef.mesecons.effector.action_off
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-- mesecon.is_effector_off(nodename) --> Returns true if nodename is an effector with nodedef.mesecons.effector.action_on
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-- mesecon.effector_get_rules(node) --> Returns the input rules of the effector (mesecon.rules.default if none specified)
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-- mesecon.is_effector(nodename) --> Returns true if nodename is an effector
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-- mesecon.is_effector_on(nodename) --> Returns true if nodename is an effector with nodedef.mesecons.effector.action_off
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-- mesecon.is_effector_off(nodename) --> Returns true if nodename is an effector with nodedef.mesecons.effector.action_on
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-- mesecon.effector_get_rules(node) --> Returns the input rules of the effector (mesecon.rules.default if none specified)
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-- SIGNALS
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-- mesecon.activate(pos, node, depth) --> Activates the effector node at the specific pos (calls nodedef.mesecons.effector.action_on), higher depths are executed later
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-- mesecon.deactivate(pos, node, depth) --> Deactivates the effector node at the specific pos (calls nodedef.mesecons.effector.action_off), higher depths are executed later
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-- mesecon.activate(pos, node, depth) --> Activates the effector node at the specific pos (calls nodedef.mesecons.effector.action_on), higher depths are executed later
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-- mesecon.deactivate(pos, node, depth) --> Deactivates the effector node at the specific pos (calls nodedef.mesecons.effector.action_off), higher depths are executed later
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-- mesecon.changesignal(pos, node, rulename, newstate, depth) --> Changes the effector node at the specific pos (calls nodedef.mesecons.effector.action_change), higher depths are executed later
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-- CONDUCTORS
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-- mesecon.is_conductor(nodename) --> Returns true if nodename is a conductor
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-- mesecon.is_conductor_on(node) --> Returns true if node is a conductor with state = mesecon.state.on
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-- mesecon.is_conductor_off(node) --> Returns true if node is a conductor with state = mesecon.state.off
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-- mesecon.get_conductor_on(node_off) --> Returns the onstate nodename of the conductor
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-- mesecon.get_conductor_off(node_on) --> Returns the offstate nodename of the conductor
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-- mesecon.conductor_get_rules(node) --> Returns the input+output rules of a conductor (mesecon.rules.default if none specified)
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-- mesecon.is_conductor(nodename) --> Returns true if nodename is a conductor
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-- mesecon.is_conductor_on(node --> Returns true if node is a conductor with state = mesecon.state.on
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-- mesecon.is_conductor_off(node) --> Returns true if node is a conductor with state = mesecon.state.off
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-- mesecon.get_conductor_on(node_off) --> Returns the onstate nodename of the conductor
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-- mesecon.get_conductor_off(node_on) --> Returns the offstate nodename of the conductor
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-- mesecon.conductor_get_rules(node) --> Returns the input+output rules of a conductor (mesecon.rules.default if none specified)
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-- HIGH-LEVEL Internals
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-- mesecon.is_power_on(pos) --> Returns true if pos emits power in any way
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-- mesecon.is_power_off(pos) --> Returns true if pos does not emit power in any way
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-- mesecon.turnon(pos, rulename) --> Returns true whatever there is at pos. Calls itself for connected nodes (if pos is a conductor) --> recursive, the rulename is the name of the input rule that caused calling turnon; Uses third parameter recdepth internally to determine how far away the current node is from the initial pos as it uses recursion
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-- mesecon.turnoff(pos, rulename) --> Turns off whatever there is at pos. Calls itself for connected nodes (if pos is a conductor) --> recursive, the rulename is the name of the input rule that caused calling turnoff; Uses third parameter recdepth internally to determine how far away the current node is from the initial pos as it uses recursion
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-- mesecon.connected_to_receptor(pos, link) --> Returns true if pos is connected to a receptor directly or via conductors; calls itself if pos is a conductor --> recursive
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-- mesecon.rules_link(output, input, dug_outputrules) --> Returns true if outputposition + outputrules = inputposition and inputposition + inputrules = outputposition (if the two positions connect)
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-- mesecon.rules_link_anydir(outp., inp., d_outpr.) --> Same as rules mesecon.rules_link but also returns true if output and input are swapped
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-- mesecon.is_powered(pos) --> Returns true if pos is powered by a receptor or a conductor
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-- mesecon.is_power_on(pos) --> Returns true if pos emits power in any way
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-- mesecon.is_power_off(pos) --> Returns true if pos does not emit power in any way
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-- mesecon.turnon(pos, link) --> link is the input rule that caused calling turnon, turns on every connected node, iterative
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-- mesecon.turnoff(pos, link) --> link is the input rule that caused calling turnoff, turns off every connected node, iterative
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-- mesecon.connected_to_receptor(pos, link) --> Returns true if pos is connected to a receptor directly or via conductors, iterative
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-- mesecon.rules_link(output, input, dug_outputrules) --> Returns true if outputposition + outputrules = inputposition and inputposition + inputrules = outputposition (if the two positions connect)
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-- mesecon.rules_link_anydir(outp., inp., d_outpr.) --> Same as rules mesecon.rules_link but also returns true if output and input are swapped
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-- mesecon.is_powered(pos) --> Returns true if pos is powered by a receptor or a conductor
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-- RULES ROTATION helpsers
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-- RULES ROTATION helpers
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-- mesecon.rotate_rules_right(rules)
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-- mesecon.rotate_rules_left(rules)
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-- mesecon.rotate_rules_up(rules)
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@@ -82,7 +82,6 @@ function mesecon.get_any_outputrules (node)
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elseif mesecon.is_receptor(node.name) then
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return mesecon.receptor_get_rules(node)
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end
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return false
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end
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function mesecon.get_any_inputrules (node)
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@@ -91,7 +90,11 @@ function mesecon.get_any_inputrules (node)
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elseif mesecon.is_effector(node.name) then
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return mesecon.effector_get_rules(node)
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end
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return false
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end
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function mesecon.get_any_rules (node)
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return mesecon.mergetable(mesecon.get_any_inputrules(node) or {},
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mesecon.get_any_outputrules(node) or {})
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end
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-- Receptors
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@@ -200,8 +203,8 @@ end
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-- Deactivation
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mesecon.queue:add_function("deactivate", function (pos, rulename)
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node = minetest.get_node(pos)
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effector = mesecon.get_effector(node.name)
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local node = minetest.get_node(pos)
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local effector = mesecon.get_effector(node.name)
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if effector and effector.action_off then
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effector.action_off(pos, node, rulename)
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@@ -360,9 +363,7 @@ function mesecon.turnon(pos, link)
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-- area not loaded, postpone action
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if not node then
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mesecon.queue:add_action(f.pos, "turnon", {link}, nil, true)
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end
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if mesecon.is_conductor_off(node, f.link) then
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elseif mesecon.is_conductor_off(node, f.link) then
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local rules = mesecon.conductor_get_rules(node)
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minetest.swap_node(f.pos, {name = mesecon.get_conductor_on(node, f.link),
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@@ -408,9 +409,7 @@ function mesecon.turnoff(pos, link)
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-- area not loaded, postpone action
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if not node then
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mesecon.queue:add_action(f.pos, "turnoff", {link}, nil, true)
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end
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if mesecon.is_conductor_on(node, f.link) then
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elseif mesecon.is_conductor_on(node, f.link) then
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local rules = mesecon.conductor_get_rules(node)
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minetest.swap_node(f.pos, {name = mesecon.get_conductor_off(node, f.link),
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@@ -476,6 +475,7 @@ function mesecon.find_receptor_on(pos, link)
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local f = frontiers[depth]
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local node = minetest.get_node_or_nil(f.pos)
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if not node then return false end
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if mesecon.is_receptor_on(node.name) then return true end
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if mesecon.is_conductor_on(node, f.link) then
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local rules = mesecon.conductor_get_rules(node)
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@@ -18,8 +18,7 @@ local wire_getconnect = function (from_pos, self_pos)
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if (minetest.registered_nodes[node.name].mesecon_wire) then
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rules = mesecon.rules.default
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else
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rules = mesecon.get_any_inputrules(node) or {}
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rules = mesecon.mergetable(mesecon.get_any_outputrules(node) or {}, rules)
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rules = mesecon.get_any_rules(node)
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end
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for _, r in ipairs(mesecon.flattenrules(rules)) do
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@@ -79,8 +78,7 @@ local update_on_place_dig = function (pos, node)
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and minetest.registered_nodes[node.name].mesecon_wire then
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rules = mesecon.rules.default
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else
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rules = mesecon.get_any_inputrules(node) or {}
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rules = mesecon.mergetable(mesecon.get_any_outputrules(node) or {}, rules)
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rules = mesecon.get_any_rules(node)
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end
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if (not rules) then return end
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