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Restructure teleport command code (#9706)
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HybridDog
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commit
92f4c68c0c
@ -418,121 +418,111 @@ core.register_chatcommand("remove_player", {
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end,
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})
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-- pos may be a non-integer position
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local function find_free_position_near(pos)
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local tries = {
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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=0, z=1},
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{x=0, y=0, z=-1},
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}
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for _, d in ipairs(tries) do
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local p = vector.add(pos, d)
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local n = core.get_node_or_nil(p)
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if n then
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local def = core.registered_nodes[n.name]
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if def and not def.walkable then
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return p
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end
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end
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end
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return pos
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end
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-- Teleports player <name> to <p> if possible
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local function teleport_to_pos(name, p)
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local lm = 31000
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if p.x < -lm or p.x > lm or p.y < -lm or p.y > lm
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or p.z < -lm or p.z > lm then
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return false, "Cannot teleport out of map bounds!"
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end
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local teleportee = core.get_player_by_name(name)
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if not teleportee then
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return false, "Cannot get player with name " .. name
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end
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if teleportee:get_attach() then
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return false, "Cannot teleport, " .. name ..
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" is attached to an object!"
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end
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teleportee:set_pos(p)
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return true, "Teleporting " .. name .. " to " .. core.pos_to_string(p, 1)
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end
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-- Teleports player <name> next to player <target_name> if possible
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local function teleport_to_player(name, target_name)
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if name == target_name then
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return false, "One does not teleport to oneself."
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end
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local teleportee = core.get_player_by_name(name)
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if not teleportee then
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return false, "Cannot get teleportee with name " .. name
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end
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if teleportee:get_attach() then
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return false, "Cannot teleport, " .. name ..
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" is attached to an object!"
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end
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local target = core.get_player_by_name(target_name)
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if not target then
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return false, "Cannot get target player with name " .. target_name
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end
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local p = find_free_position_near(target:get_pos())
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teleportee:set_pos(p)
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return true, "Teleporting " .. name .. " to " .. target_name .. " at " ..
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core.pos_to_string(p, 1)
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end
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core.register_chatcommand("teleport", {
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params = "<X>,<Y>,<Z> | <to_name> | (<name> <X>,<Y>,<Z>) | (<name> <to_name>)",
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params = "<X>,<Y>,<Z> | <to_name> | <name> <X>,<Y>,<Z> | <name> <to_name>",
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description = "Teleport to position or player",
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privs = {teleport=true},
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func = function(name, param)
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-- Returns (pos, true) if found, otherwise (pos, false)
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local function find_free_position_near(pos)
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local tries = {
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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=0,z=1},
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{x=0,y=0,z=-1},
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}
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for _, d in ipairs(tries) do
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local p = {x = pos.x+d.x, y = pos.y+d.y, z = pos.z+d.z}
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local n = core.get_node_or_nil(p)
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if n and n.name then
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local def = core.registered_nodes[n.name]
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if def and not def.walkable then
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return p, true
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end
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end
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end
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return pos, false
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end
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local p = {}
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p.x, p.y, p.z = string.match(param, "^([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$")
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p.x = tonumber(p.x)
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p.y = tonumber(p.y)
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p.z = tonumber(p.z)
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p.x, p.y, p.z = param:match("^([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$")
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p = vector.apply(p, tonumber)
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if p.x and p.y and p.z then
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local lm = 31000
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if p.x < -lm or p.x > lm or p.y < -lm or p.y > lm or p.z < -lm or p.z > lm then
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return false, "Cannot teleport out of map bounds!"
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end
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local teleportee = core.get_player_by_name(name)
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if teleportee then
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if teleportee:get_attach() then
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return false, "Can't teleport, you're attached to an object!"
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end
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teleportee:set_pos(p)
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return true, "Teleporting to "..core.pos_to_string(p)
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end
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return teleport_to_pos(name, p)
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end
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local target_name = param:match("^([^ ]+)$")
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local teleportee = core.get_player_by_name(name)
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p = nil
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if target_name then
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local target = core.get_player_by_name(target_name)
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if target then
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p = target:get_pos()
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end
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return teleport_to_player(name, target_name)
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end
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if teleportee and p then
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if teleportee:get_attach() then
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return false, "Can't teleport, you're attached to an object!"
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end
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p = find_free_position_near(p)
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teleportee:set_pos(p)
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return true, "Teleporting to " .. target_name
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.. " at "..core.pos_to_string(p)
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end
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local has_bring_priv = core.check_player_privs(name, {bring=true})
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local missing_bring_msg = "You don't have permission to teleport " ..
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"other players (missing bring privilege)"
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if not core.check_player_privs(name, {bring=true}) then
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return false, "You don't have permission to teleport other players (missing bring privilege)"
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end
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teleportee = nil
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p = {}
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local teleportee_name
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teleportee_name, p.x, p.y, p.z = param:match(
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"^([^ ]+) +([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$")
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p.x, p.y, p.z = tonumber(p.x), tonumber(p.y), tonumber(p.z)
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if teleportee_name then
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teleportee = core.get_player_by_name(teleportee_name)
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end
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if teleportee and p.x and p.y and p.z then
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if teleportee:get_attach() then
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return false, "Can't teleport, player is attached to an object!"
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p = vector.apply(p, tonumber)
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if teleportee_name and p.x and p.y and p.z then
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if not has_bring_priv then
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return false, missing_bring_msg
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end
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teleportee:set_pos(p)
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return true, "Teleporting " .. teleportee_name
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.. " to " .. core.pos_to_string(p)
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return teleport_to_pos(teleportee_name, p)
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end
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teleportee = nil
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p = nil
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teleportee_name, target_name = string.match(param, "^([^ ]+) +([^ ]+)$")
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if teleportee_name then
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teleportee = core.get_player_by_name(teleportee_name)
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end
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if target_name then
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local target = core.get_player_by_name(target_name)
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if target then
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p = target:get_pos()
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if teleportee_name and target_name then
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if not has_bring_priv then
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return false, missing_bring_msg
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end
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end
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if teleportee and p then
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if teleportee:get_attach() then
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return false, "Can't teleport, player is attached to an object!"
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end
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p = find_free_position_near(p)
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teleportee:set_pos(p)
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return true, "Teleporting " .. teleportee_name
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.. " to " .. target_name
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.. " at " .. core.pos_to_string(p)
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return teleport_to_player(teleportee_name, target_name)
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end
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return false, 'Invalid parameters ("' .. param
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.. '") or player not found (see /help teleport)'
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return false
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end,
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})
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