added teleport_request

README.md

@@ -8,7 +8,8 @@ To install, rename to "enhancements" and place in the mods/ directory.
 * [external_cmd]server chat messages from outside Minetest game
 * detect AFK player
 * spawn - set and go to static spawn point
-* areas - control privilages
+* teleport request (/tpr /tphr to teleport to player)
+* areas - control privilages (WIP)
 
 External Commands
 ------------------
@@ -35,7 +36,7 @@ Detect AFK player
 
 AFK (away from keyboard) is detected when player doesn't move for certain time, player will sit down.
 
-===ITEM_DROP MOD for MINETEST-C55===
+Item drop mod for MINETEST-C55
 -------------------------------------
 by PilzAdam
 
@@ -78,3 +79,8 @@ http://minetest.net/
    TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
 
   0. You just DO WHAT THE FUCK YOU WANT TO. 
+
+Teleport Request
+-----------------
+This mod is released under WTFPL.
+It adds ability to teleport to other players with their permission by using the /tpr command which requires "interact" privilege and the /tphr command which requires the "interact " privilege.

init.lua

@@ -45,6 +45,13 @@ if ITEM_DROP then
 	print("[Mod][enhancements] ITEM_DROP enabled")
 end
 
+-- teleport request to/from another player
+if TP_REQUEST then
+	dofile(minetest.get_modpath("enhancements").."/teleport_request.lua")
+
+	print("[Mod][enhancements] TP_REQUEST enabled")
+end
+
 -- manage privileges i areas mod - if using areas mod only for admin purposes
 -- WIP DONT ENABLE! 
 if AREAS_ENHANCE and minetest.get_modpath("areas") then

settings.txt

@@ -4,4 +4,5 @@ EXTERNAL_CMD = true
 PLAYER_AFK = true
 SPAWN_POINT = true
 ITEM_DROP = true
+TP_REQUEST = true
 AREAS_ENHANCE = false

teleport_request.lua

@@ -0,0 +1,179 @@
+-- Original code by Traxie21 and released with the WTFPL license
+-- https://forum.minetest.net/viewtopic.php?id=4457
+
+-- Updates by Zeno and ChaosWormz
+
+local timeout_delay = 60
+
+-- Set to true to register tpr_admin priv
+local regnewpriv = false
+
+local version = "1.1"
+
+local tpr_list = {}
+local tphr_list = {}
+
+--Teleport Request System
+local function tpr_send(name, param)
+
+	local sender = name
+	local receiver = param
+
+	if receiver == "" then
+		minetest.chat_send_player(sender, "Usage: /tpr <Player name>")
+		return
+	end
+
+	--If paremeter is valid, Send teleport message and set the table.
+	if minetest.get_player_by_name(receiver) then
+		minetest.chat_send_player(receiver, sender ..' is requesting to teleport to you. /tpy to accept.')
+		minetest.chat_send_player(sender, 'Teleport request sent! It will time out in '.. timeout_delay ..' seconds.')
+
+		--Write name values to list and clear old values.
+		tpr_list[receiver] = sender
+		--Teleport timeout delay
+		minetest.after(timeout_delay, function(name)
+			if tpr_list[name] ~= nil then
+				tpr_list[name] = nil
+			end
+		end, name)
+	end
+end
+
+local function tphr_send(name, param)
+
+	local sender = name
+	local receiver = param
+
+	if receiver == "" then
+		minetest.chat_send_player(sender, "Usage: /tphr <Player name>")
+		return
+	end
+
+	--If paremeter is valid, Send teleport message and set the table.
+	if minetest.get_player_by_name(receiver) then
+		minetest.chat_send_player(receiver, sender ..' is requesting that you teleport to them. /tpy to accept; /tpn to deny')
+		minetest.chat_send_player(sender, 'Teleport request sent! It will time out in '.. timeout_delay ..' seconds.')
+
+		--Write name values to list and clear old values.
+		tphr_list[receiver] = sender
+		--Teleport timeout delay
+		minetest.after(timeout_delay, function(name)
+			if tphr_list[name] ~= nil then
+				tphr_list[name] = nil
+			end
+		end, name)
+	end
+end
+
+local function tpr_deny(name, param)
+	if tpr_list[name] ~= nil then
+		minetest.chat_send_player(tpr_list[name], 'Teleport request denied.')
+		tpr_list[name] = nil
+	end
+	if tphr_list[name] ~= nil then
+		minetest.chat_send_player(tphr_list[name], 'Teleport request denied.')
+		tphr_list[name] = nil
+	end
+end
+
+-- Copied from Celeron-55's /teleport command. Thanks Celeron!
+local function find_free_position_near(pos)
+	local tries = {
+		{x=1,y=0,z=0},
+		{x=-1,y=0,z=0},
+		{x=0,y=0,z=1},
+		{x=0,y=0,z=-1},
+	}
+	for _, d in ipairs(tries) do
+		local p = {x = pos.x+d.x, y = pos.y+d.y, z = pos.z+d.z}
+		local n = minetest.get_node(p)
+		if not minetest.registered_nodes[n.name].walkable then
+			return p, true
+		end
+	end
+	return pos, false
+end
+
+
+--Teleport Accept Systems
+local function tpr_accept(name, param)
+
+	--Check to prevent constant teleporting.
+	if tpr_list[name] == nil and tphr_list[name] == nil then
+		minetest.chat_send_player(name, "Usage: /tpy allows you to accept teleport requests sent to you by other players")
+		return
+	end
+
+	local chatmsg
+	local source = nil
+	local target = nil
+	local name2
+
+	if tpr_list[name] then
+		name2 = tpr_list[name]
+		source = minetest.get_player_by_name(name)
+		target = minetest.get_player_by_name(name2)
+		chatmsg = name2 .. " is teleporting to you."
+		tpr_list[name] = nil
+	elseif tphr_list[name] then
+		name2 = tphr_list[name]
+		source = minetest.get_player_by_name(name2)
+		target = minetest.get_player_by_name(name)
+		chatmsg = "You are teleporting to " .. name2 .. "."
+		tphr_list[name] = nil
+	else
+		return
+	end
+
+	-- Could happen if either player disconnects (or timeout); if so just abort
+	if source == nil or target == nil then
+		return
+	end
+
+	minetest.chat_send_player(name2, "Request Accepted!")
+	minetest.chat_send_player(name, chatmsg)
+
+	local p = source:getpos()
+	local p = find_free_position_near(p)
+	target:setpos(p)
+end
+
+--Initalize Permissions.
+
+if regnewpriv then
+	minetest.register_privilege("tpr_admin", {
+		description = "Permission to override teleport to other players. UNFINISHED",
+		give_to_singleplayer = true
+	})
+end
+
+--Initalize Commands.
+
+minetest.register_chatcommand("tpr", {
+	description = "Request teleport to another player",
+	params = "<playername> | leave playername empty to see help message",
+	privs = {interact=true},
+	func = tpr_send
+
+})
+
+minetest.register_chatcommand("tphr", {
+	description = "Request player to teleport to you",
+	params = "<playername> | leave playername empty to see help message",
+	privs = {interact=true},
+	func = tphr_send
+
+})
+
+minetest.register_chatcommand("tpy", {
+	description = "Accept teleport requests from another player",
+	func = tpr_accept
+})
+
+minetest.register_chatcommand("tpn", {
+	description = "Deny teleport requests from another player",
+	func = tpr_deny
+})
+
+-- print ("[Teleport Request] Teleport Request v" .. version .. " Loaded.")