Initial commit

teleporter/init.lua

@@ -0,0 +1,151 @@
+----
+--Teleporter 1.0
+--Copyright (C) 2012 Corey Edmunds (corey.edmunds@gmail.com)
+--
+--This program is free software; you can redistribute it and/or modify
+--it under the terms of the GNU General Public License as published by
+--the Free Software Foundation; either version 2 of the License, or
+--(at your option) any later version.
+--
+--This program is distributed in the hope that it will be useful,
+--but WITHOUT ANY WARRANTY; without even the implied warranty of
+--MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+--GNU General Public License for more details.
+--
+--You should have received a copy of the GNU General Public License along
+--with this program; if not, write to the Free Software Foundation, Inc.,
+--51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+----
+
+minetest.register_craft({
+	output = 'teleporter:teleporter_pad',
+	recipe = {
+                {'moreores:copper_ingot', 'default:glass', 'moreores:copper_ingot'},
+                {'moreores:copper_ingot', 'moreores:gold_block', 'moreores:copper_ingot'},
+                {'moreores:copper_ingot', 'mesecons_powerplant:power_plant', 'moreores:copper_ingot'},
+        }
+})
+
+
+minetest.register_node("teleporter:teleporter_pad", {
+	--tile_images = {"teleporter_teleporter_pad.png","default_steel_block.png", "default_steel_block.png", "default_steel_block.png","default_steel_block.png","default_steel_block.png"},
+	tile_images = {"teleporter_teleporter_pad.png"},
+	drawtype = "signlike",
+	paramtype = "light",
+	paramtype2 = "wallmounted",
+	walkable = false,
+	description="Teleporter Pad",
+	metadata_name = "sign",
+	sounds = default.node_sound_defaults(),
+	groups = {choppy=2,dig_immediate=2},
+	selection_box = {
+		type = "wallmounted",
+		--wall_top = <default>
+		--wall_bottom = <default>
+		--wall_side = <default>
+	},
+        on_construct = function(pos)
+                --local n = minetest.env:get_node(pos)
+                local meta = minetest.env:get_meta(pos)
+                meta:set_string("formspec", "hack:sign_text_input")
+                meta:set_string("infotext", "\"Teleport to Spawn\"")
+		meta:set_string("text", "0,0,0,Spawn")
+		meta:set_float("enabled", 1)
+		meta:set_float("x", 0)
+		meta:set_float("y", 0)
+		meta:set_float("z", 0)
+        end,
+	after_place_node = function(pos, placer)
+		local meta = minetest.env:get_meta(pos)
+		meta:set_string("owner", placer:get_player_name())
+	end,
+        on_receive_fields = function(pos, formname, fields, sender)
+                --print("Sign at "..minetest.pos_to_string(pos).." got "..dump(fields))
+		local coords = teleporter_coordinates(fields.text)
+                local meta = minetest.env:get_meta(pos)
+
+		if not has_teleporter_privilege(meta,sender) then
+			return
+		end
+
+		local infotext = ""
+		if coords~=nil then
+			meta:set_float("x", coords.x)
+			meta:set_float("y", coords.y)
+			meta:set_float("z", coords.z)
+			meta:set_float("enabled", 1)
+			if coords.desc~=nil then
+				infotext="Teleport to "..coords.desc
+			else
+				infotext="Teleport to "..coords.x..","..coords.y..","..coords.z..""
+			end
+		else
+			meta:set_float("enabled", -1)
+			infotext="Teleporter Offline"
+		end
+
+                print((sender:get_player_name() or "").." wrote \""..fields.text..
+                                "\" to sign at "..minetest.pos_to_string(pos))
+                meta:set_string("text", fields.text)
+                meta:set_string("infotext", '"'..infotext..'"')
+        end,
+	can_dig = function(pos,player)
+		local meta = minetest.env:get_meta(pos)
+		if player:get_player_name() == meta:get_string("owner") or privs["server"] then
+			return true
+		end
+		return false
+	end
+})
+
+function has_teleporter_privilege(meta, player) 
+	local privs = minetest.get_player_privs(player:get_player_name())
+
+	if player:get_player_name() ~= meta:get_string("owner") and not privs["server"] then
+		return false
+	end
+	return privs["teleport"]
+end
+
+function teleporter_coordinates(str) 
+	local x,y,z,desc = string.match(str, "(-?%d*),(-?%d*),(-?%d*),?(.*)")
+	
+	if desc=="" then
+		desc = nil
+	end
+
+	if x==nil or y==nil or z==nil then
+		return nil
+	end
+	x = x + 0.0
+	y = y + 0.0
+	z = z + 0.0
+
+	if x > 32765 or x < -32765 or y > 32765 or y < -32765 or z > 32765 or z < -32765 then
+		return nil
+	end
+
+	return {x=x, y=y, z=z, desc=desc}
+end
+
+
+minetest.register_abm(
+	{nodenames = {"teleporter:teleporter_pad"},
+	interval = 1.0,
+	chance = 1,
+	action = function(pos, node, active_object_count, active_object_count_wider)
+		local objs = minetest.env:get_objects_inside_radius(pos, 1)
+		for k, player in pairs(objs) do
+			if player:get_player_name()~=nil then 
+				local meta = minetest.env:get_meta(pos)
+				if meta:get_float("enabled") > 0 then
+					local target_coords={x=meta:get_float("x"), y=meta:get_float("y"), z=meta:get_float("z")}
+					minetest.sound_play("teleporter_teleport", {pos = pos, gain = 1.0, max_hear_distance = 10,})
+					player:moveto(target_coords, false)
+					minetest.sound_play("teleporter_teleport", {pos = target_coords, gain = 1.0, max_hear_distance = 10,})
+				end
+			end
+		end
+	end	
+})
+