mirror of
https://github.com/minetest-mods/teleport-request.git
synced 2024-07-15 12:09:29 +02:00
349 lines
12 KiB
Lua
349 lines
12 KiB
Lua
-- Originally Teleport Request by Traxie21 and released with the WTFPL license
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-- https://forum.minetest.net/viewtopic.php?id=4457
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-- Updates by Zeno and ChaosWormz
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-- New release by RobbieF under new mod: tps_teleport - http://blog.minetest.tv/teleport-request/
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local timeout_delay = 60
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local version = "1.5"
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local tpr_list = {}
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local tphr_list = {}
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minetest.register_privilege("tp_admin", {
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description = "Admin overrides for tps_teleport.",
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give_to_singleplayer=false
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})
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minetest.register_privilege("tp_tpc", {
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description = "Allow player to teleport to coordinates (if permitted by area protection).",
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give_to_singleplayer=true
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})
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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 pairs(tries) do
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local p = vector.add(pos, d)
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if not minetest.registered_nodes[minetest.get_node(p).name].walkable then
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return p, true
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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 function find_air(pos,player)
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-- Set the initial values: the actual postion chosen
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local bot = {pos.x, pos.y-1, pos.z}
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local mid = {pos.x,pos.y,pos.z}
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local top = {pos.x, pos.y+1, pos.z}
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local bot_node = minetest.get_node(bot)
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local mid_node = minetest.get_node(mid)
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local top_node = minetest.get_node(top)
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while bot_node.name ~= "air" and bot_node.name ~= "ignore" and mid_node.name ~= "air" and mid_node.name ~= "ignore" and top_node.name ~= "air" and top_node.name ~= "ignore" do
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-- Iterate through the y-axis to find a suitable node to land on
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pos.y = pos.y +2
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local bot = {pos.x, pos.y-1, pos.z}
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local mid = {pos.x,pos.y,pos.z}
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local top = {pos.x, pos.y+1, pos.z}
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local bot_node = minetest.get_node(bot)
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local mid_node = minetest.get_node(mid)
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local top_node = minetest.get_node(top)
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end
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return mid
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end
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local function parti(pos)
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minetest.add_particlespawner(50, 0.4,
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{x=pos.x + 0.5, y=pos.y, z=pos.z + 0.5}, {x=pos.x - 0.5, y=pos.y, z=pos.z - 0.5},
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{x=0, y=5, z=0}, {x=0, y=0, z=0},
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{x=0, y=5, z=0}, {x=0, y=0, z=0},
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3, 5,
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3, 5,
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false,
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"tps_portal_parti.png")
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end
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local function parti2(pos)
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minetest.add_particlespawner(50, 0.4,
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{x=pos.x + 0.5, y=pos.y + 10, z=pos.z + 0.5}, {x=pos.x - 0.5, y=pos.y, z=pos.z - 0.5},
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{x=0, y=-5, z=0}, {x=0, y=0, z=0},
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{x=0, y=-5, z=0}, {x=0, y=0, z=0},
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3, 5,
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3, 5,
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false,
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"tps_portal_parti.png")
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end
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--Teleport Request System
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local function tpr_send(sender, receiver)
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if receiver == "" then
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minetest.chat_send_player(sender, "Usage: /tpr <Player name>")
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return
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end
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if not minetest.get_player_by_name(receiver) then
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minetest.chat_send_player(sender, "There is no player by that name. Keep in mind this is case sensitive, and the player must be online.")
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return
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end
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minetest.chat_send_player(receiver, sender ..' is requesting to teleport to you. /tpy to accept.')
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minetest.chat_send_player(sender, 'Teleport request sent! It will time out in '.. timeout_delay ..' seconds.')
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--Write name values to list and clear old values.
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tpr_list[receiver] = sender
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--Teleport timeout delay
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minetest.after(timeout_delay, function(name)
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if tpr_list[name] then
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tpr_list[name] = nil
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end
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end, sender)
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end
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local function tphr_send(sender, receiver)
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if receiver == "" then
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minetest.chat_send_player(sender, "Usage: /tphr <Player name>")
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return
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end
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if not minetest.get_player_by_name(receiver) then
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minetest.chat_send_player(sender, "There is no player by that name. Keep in mind this is case sensitive, and the player must be online.")
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return
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end
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minetest.chat_send_player(receiver, sender ..' is requesting that you teleport to them. /tpy to accept; /tpn to deny')
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minetest.chat_send_player(sender, 'Teleport request sent! It will time out in '.. timeout_delay ..' seconds.')
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--Write name values to list and clear old values.
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tphr_list[receiver] = sender
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--Teleport timeout delay
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minetest.after(timeout_delay, function(name)
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if tphr_list[name] then
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tphr_list[name] = nil
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end
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end, sender)
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end
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local function tpc_send(player,coordinates)
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local posx,posy,posz = string.match(coordinates, "^(-?%d+),(-?%d+),(-?%d+)$")
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local pname = minetest.get_player_by_name(player)
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if posx ~= nil or posy ~= nil or posz ~= nil then
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posx = tonumber(posx) + 0.0
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posy = tonumber(posy) + 0.0
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posz = tonumber(posz) + 0.0
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end
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if posx==nil or posy==nil or posz==nil or string.len(posx) > 6 or string.len(posy) > 6 or string.len(posz) > 6 then
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minetest.chat_send_player(player, "Usage: /tpc <x,y,z>")
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return nil
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end
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if posx > 32765 or posx < -32765 or posy > 32765 or posy < -32765 or posz > 32765 or posz < -32765 then
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minetest.chat_send_player(player, "Error: Invalid coordinates.")
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return nil
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end
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local target_coords={x=posx, y=posy, z=posz}
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-- If the area is protected, reject the user's request to teleport to these coordinates
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-- In future release we'll actually query the player who owns the area, if they're online, and ask for their permission.
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-- Admin user (priv "tp_admin") overrides all protection
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if minetest.check_player_privs(pname, {tp_admin=true}) then
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minetest.chat_send_player(player, 'Teleporting to '..posx..','..posy..','..posz)
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pname:setpos(find_free_position_near(target_coords))
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minetest.sound_play("whoosh", {pos = target_coords, gain = 0.5, max_hear_distance = 10})
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parti2(target_coords)
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else
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if minetest.check_player_privs(pname, {tp_tpc=true}) then
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local protected = minetest.is_protected(target_coords,pname)
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if protected then
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if not areas:canInteract(target_coords, player) then
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local owners = areas:getNodeOwners(target_coords)
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minetest.chat_send_player(player,("Error: %s is protected by %s."):format(minetest.pos_to_string(target_coords),table.concat(owners, ", ")))
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return
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end
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end
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minetest.chat_send_player(player, 'Teleporting to '..posx..','..posy..','..posz)
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pname:setpos(find_free_position_near(target_coords))
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minetest.sound_play("whoosh", {pos = target_coords, gain = 0.5, max_hear_distance = 10})
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parti2(target_coords)
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else
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minetest.chat_send_player(player, "Error: You do not have permission to teleport to coordinates.")
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return
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end
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end
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end
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local function tpr_deny(name)
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if tpr_list[name] then
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minetest.chat_send_player(tpr_list[name], 'Teleport request denied.')
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tpr_list[name] = nil
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end
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if tphr_list[name] then
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minetest.chat_send_player(tphr_list[name], 'Teleport request denied.')
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tphr_list[name] = nil
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end
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end
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--Teleport Accept Systems
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local function tpr_accept(name, param)
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--Check to prevent constant teleporting.
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if not tpr_list[name]
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and not tphr_list[name] then
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minetest.chat_send_player(name, "Usage: /tpy allows you to accept teleport requests sent to you by other players.")
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return
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end
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local chatmsg, source, target, name2
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if tpr_list[name] then
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name2 = tpr_list[name]
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source = minetest.get_player_by_name(name)
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target = minetest.get_player_by_name(name2)
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chatmsg = name2 .. " is teleporting to you."
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tpr_list[name] = nil
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elseif tphr_list[name] then
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name2 = tphr_list[name]
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source = minetest.get_player_by_name(name2)
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target = minetest.get_player_by_name(name)
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chatmsg = "You are teleporting to " .. name2 .. "."
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tphr_list[name] = nil
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else
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return
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end
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-- Could happen if either player disconnects (or timeout); if so just abort
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if not source
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or not target then
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return
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end
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minetest.chat_send_player(name2, "Request Accepted!")
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minetest.chat_send_player(name, chatmsg)
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local target_coords=source:getpos()
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target:setpos(find_free_position_near(target_coords))
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minetest.sound_play("whoosh", {pos = target_coords, gain = 0.5, max_hear_distance = 10})
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parti2(target_coords)
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end
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-- Teleport Jump - Relative Position Teleportation by number of nodes
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local function tpj(player,param)
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local pname = minetest.get_player_by_name(player)
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if param == "" then
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minetest.chat_send_player(player, "Usage. <X|Y|Z> <Number>")
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return false
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end
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local args = param:split(" ") -- look into this. Can it crash if the player does not have two parameters?
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if #args < 2 then
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minetest.chat_send_player(player, "Usage. <X|Y|Z> <Number>")
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return false
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end
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if not tonumber(args[2]) then
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return false, "Not a Number!"
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end
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-- Initially generate the target coords from the player's current position (since it's relative) and then perform the math.
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local target_coords = minetest.get_player_by_name(player):getpos()
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if args[1] == "x" then
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target_coords["x"] = target_coords["x"] + tonumber(args[2])
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pname:setpos(find_air(find_free_position_near(target_coords),player))
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minetest.sound_play("whoosh", {pos = target_coords, gain = 0.5, max_hear_distance = 10})
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parti2(target_coords)
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elseif args[1] == "y" then
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target_coords["y"] = target_coords["y"] + tonumber(args[2])
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pname:setpos(find_air(find_free_position_near(target_coords),player))
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minetest.sound_play("whoosh", {pos = target_coords, gain = 0.5, max_hear_distance = 10})
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parti2(target_coords)
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elseif args[1] == "z" then
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target_coords["z"] = target_coords["z"] + tonumber(args[2])
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pname:setpos(find_air(find_free_position_near(target_coords),player))
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minetest.sound_play("whoosh", {pos = target_coords, gain = 0.5, max_hear_distance = 10})
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parti2(target_coords)
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else
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minetest.chat_send_player(player,"Not a valid axis. Valid options are X, Y or Z.")
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end
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end
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-- Evade
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local function tpe(player)
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minetest.chat_send_player(player, "EVADE!")
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local mindistance = 15
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local maxdistance = 50
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local times = math.random(6,20) -- how many times to jump - minimum,maximum
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local negatives = { '-','' } -- either it's this way or that way: the difference between -10 and 10
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local options = { 'x', 'y', 'z' }
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local isnegative = ''
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local distance = 0
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local axis = ''
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local iteration = 0
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for i = 1,times do
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-- do this every 1 second
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minetest.after(iteration,
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function()
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isnegative = negatives[math.random(2)] -- choose randomly whether this is this way or that
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distance = isnegative .. math.random(mindistance,maxdistance) -- the distance to jump
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axis = options[math.random(3)]
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local command = axis .. " " .. distance
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tpj(player,command)
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end
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)
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iteration = iteration + 0.5
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end
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end
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minetest.register_chatcommand("tpr", {
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description = "Request teleport to another player",
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params = "<playername> | leave playername empty to see help message",
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privs = {interact=true},
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func = tpr_send
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})
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minetest.register_chatcommand("tphr", {
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description = "Request player to teleport to you",
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params = "<playername> | leave playername empty to see help message",
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privs = {interact=true},
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func = tphr_send
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})
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minetest.register_chatcommand("tpc", {
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description = "Teleport to coordinates",
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params = "<coordinates> | leave coordinates empty to see help message",
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privs = {interact=true,tp_tpc=true},
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func = tpc_send
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})
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minetest.register_chatcommand("tpj", {
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description = "Teleport to relative position",
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params = "<axis> <distance> | leave empty to see help message",
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privs = {interact=true},
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func = tpj
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})
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minetest.register_chatcommand("tpe", {
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description = "Evade Enemy",
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privs = {interact=true},
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func = tpe
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})
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minetest.register_chatcommand("tpy", {
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description = "Accept teleport requests from another player",
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func = tpr_accept
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})
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minetest.register_chatcommand("tpn", {
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description = "Deny teleport requests from another player",
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func = tpr_deny
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})
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minetest.log("info", "[Teleport Request] TPS Teleport v" .. version .. " Loaded.")
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