486 lines
11 KiB
Lua
Executable File
486 lines
11 KiB
Lua
Executable File
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--= Teleport Potion mod 0.8 by TenPlus1
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-- Create teleport potion or pad, place then right-click to enter coords
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-- and step onto pad or walk into the blue portal light, portal closes after
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-- 10 seconds, pad remains, potions are throwable... SFX are license Free...
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-- Intllib
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local S
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if minetest.get_modpath("intllib") then
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S = intllib.Getter()
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else
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S = function(s, a, ...)
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if a == nil then
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return s
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end
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a = {a, ...}
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return s:gsub("(@?)@(%(?)(%d+)(%)?)",
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function(e, o, n, c)
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if e == "" then
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return a[tonumber(n)] .. (o == "" and c or "")
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else
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return "@" .. o .. n .. c
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end
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end)
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end
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end
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-- max teleport distance
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local dist = tonumber(minetest.setting_get("map_generation_limit") or 31000)
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local check_coordinates = function(str)
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if not str or str == "" then
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return nil
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end
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-- get coords from string
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local x, y, z, desc = string.match(str, "^(-?%d+),(-?%d+),(-?%d+),?(.*)$")
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-- check coords
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if x == nil or string.len(x) > 6
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or y == nil or string.len(y) > 6
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or z == nil or string.len(z) > 6 then
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return nil
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end
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-- convert string coords to numbers
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x = tonumber(x)
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y = tonumber(y)
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z = tonumber(z)
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-- are coords in map range ?
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if x > dist or x < -dist
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or y > dist or y < -dist
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or z > dist or z < -dist then
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return nil
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end
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-- return ok coords
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return {x = x, y = y, z = z, desc = desc}
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end
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-- particle effects
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function tp_effect(pos)
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minetest.add_particlespawner({
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amount = 20,
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time = 0.25,
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minpos = pos,
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maxpos = pos,
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minvel = {x = -2, y = -2, z = -2},
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maxvel = {x = 2, y = 2, z = 2},
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minacc = {x = -4, y = -4, z = -4},
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maxacc = {x = 4, y = 4, z = 4},
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minexptime = 0.1,
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maxexptime = 1,
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minsize = 0.5,
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maxsize = 1,
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texture = "particle.png",
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})
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end
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-- teleport portal
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minetest.register_node("teleport_potion:portal", {
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drawtype = "plantlike",
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tiles = {
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{name="portal.png",
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animation = {
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type = "vertical_frames",
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aspect_w = 16,
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aspect_h = 16,
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length = 1.0
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}
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}
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},
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light_source = 13,
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walkable = false,
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paramtype = "light",
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pointable = false,
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buildable_to = true,
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waving = 1,
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sunlight_propagates = true,
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damage_per_second = 1, -- walking into portal hurts player
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-- start timer when portal appears
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on_construct = function(pos)
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minetest.get_node_timer(pos):start(10)
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end,
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-- remove portal after 10 seconds
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on_timer = function(pos)
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minetest.sound_play("portal_close", {
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pos = pos,
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gain = 1.0,
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max_hear_distance = 10
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})
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minetest.set_node(pos, {name = "air"})
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end,
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})
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-- teleport potion
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minetest.register_node("teleport_potion:potion", {
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tiles = {"pad.png"},
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drawtype = "signlike",
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paramtype = "light",
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paramtype2 = "wallmounted",
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walkable = false,
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sunlight_propagates = true,
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description = S("Teleport Potion (place and right-click to enchant location)"),
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inventory_image = "potion.png",
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wield_image = "potion.png",
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groups = {dig_immediate = 3},
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selection_box = {type = "wallmounted"},
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on_construct = function(pos)
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local meta = minetest.get_meta(pos)
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-- text entry formspec
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meta:set_string("formspec", "field[text;" .. S("Enter teleport coords (e.g. 200,20,-200)") .. ";${text}]")
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meta:set_string("infotext", S("Right-click to enchant teleport location"))
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meta:set_string("text", pos.x .. "," .. pos.y .. "," .. pos.z)
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-- set default coords
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meta:set_int("x", pos.x)
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meta:set_int("y", pos.y)
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meta:set_int("z", pos.z)
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end,
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-- throw potion when used like tool
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on_use = function(itemstack, user)
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throw_potion(itemstack, user)
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if not minetest.setting_getbool("creative_mode") then
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itemstack:take_item()
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return itemstack
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end
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end,
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-- check if coords ok then open portal, otherwise return potion
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on_receive_fields = function(pos, formname, fields, sender)
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local coords = check_coordinates(fields.text)
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local name = sender:get_player_name()
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if coords then
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minetest.set_node(pos, {name = "teleport_potion:portal"})
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local meta = minetest.get_meta(pos)
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-- set portal destination
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meta:set_int("x", coords.x)
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meta:set_int("y", coords.y)
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meta:set_int("z", coords.z)
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-- portal open effect and sound
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tp_effect(pos)
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minetest.sound_play("portal_open", {
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pos = pos,
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gain = 1.0,
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max_hear_distance = 10
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})
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else
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minetest.chat_send_player(name, S("Potion failed!"))
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minetest.set_node(pos, {name = "air"})
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minetest.add_item(pos, "teleport_potion:potion")
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end
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end,
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})
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--[[
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-- teleport potion recipe
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minetest.register_craft({
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output = "teleport_potion:potion",
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recipe = {
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{"", "default:diamond", ""},
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{"default:diamond", "vessels:glass_bottle", "default:diamond"},
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{"", "default:diamond", ""},
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},
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})
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]]
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-- teleport pad
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minetest.register_node("teleport_potion:pad", {
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tiles = {"padd.png", "padd_side.png"},
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drawtype = "nodebox",
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paramtype = "light",
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paramtype2 = "facedir",
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legacy_wallmounted = true,
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walkable = true,
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sunlight_propagates = true,
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description = S("Teleport Pad (place and right-click to enchant location)"),
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inventory_image = "padd.png",
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wield_image = "padd.png",
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light_source = 5,
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groups = {snappy = 3},
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node_box = {
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type = "fixed",
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fixed = {-0.5, -0.5, -0.5, 0.5, -6/16, 0.5}
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},
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selection_box = {
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type = "fixed",
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fixed = {-0.5, -0.5, -0.5, 0.5, -6/16, 0.5}
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},
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after_place_node = function(pos, placer)
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local meta = minetest.get_meta(pos)
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meta:set_string("owner", placer:get_player_name() or "")
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end,
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on_construct = function(pos, player)
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local meta = minetest.get_meta(pos)
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meta:set_string("owner", "")
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-- text entry formspec
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meta:set_string("formspec", "field[text;" .. S("Enter teleport coords (e.g. 200,20,-200,Home)") .. ";${text}]")
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meta:set_string("infotext", S("Right-click to enchant teleport location"))
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meta:set_string("text", pos.x .. "," .. pos.y .. "," .. pos.z)
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-- set default coords
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meta:set_int("x", pos.x)
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meta:set_int("y", pos.y)
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meta:set_int("z", pos.z)
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end,
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-- once entered, check coords, if ok then return potion
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on_receive_fields = function(pos, formname, fields, sender)
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local name = sender:get_player_name()
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if minetest.is_protected(pos, name) then
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minetest.record_protection_violation(pos, name)
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return
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end
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local coords = check_coordinates(fields.text)
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if coords then
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local meta = minetest.get_meta(pos)
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if teleport_potion.can_access(pos,sender) then
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meta:set_int("x", coords.x)
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meta:set_int("y", coords.y)
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meta:set_int("z", coords.z)
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meta:set_string("text", fields.text)
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if coords.desc and coords.desc ~= "" then
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meta:set_string("infotext", S("Teleport to @1", coords.desc.. " - graceful owner: "..meta:get_string("owner") or ""))
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else
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meta:set_string("infotext", S("Pad Active (@1,@2,@3)",
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coords.x, coords.y, coords.z.. " - graceful owner: ".. meta:get_string("owner")))
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end
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minetest.sound_play("portal_open", {
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pos = pos,
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gain = 1.0,
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max_hear_distance = 10
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})
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else
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minetest.chat_send_player(name, S("Teleport Pad coordinates failed, make sure you own this pad / add valid coordinates."))
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end
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end
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end,
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can_dig = function(pos,player)
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local meta = minetest.get_meta(pos);
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local owner = meta:get_string('owner');
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if ( owner and owner ~= '' and player:get_player_name() ~= owner ) then
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return false
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end
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return true
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end,
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})
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teleport_potion = {}
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teleport_potion.can_access = function(pos,player)
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local meta = minetest.env:get_meta(pos)
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local name = player:get_player_name()
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local privs = minetest.get_player_privs(name)
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if name == meta:get_string("owner") or privs["server"] then
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return true
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end
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return false
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end
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--[[ teleport pad recipe
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minetest.register_craft({
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output = 'teleport_potion:pad',
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recipe = {
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{"teleport_potion:potion", 'default:glass', "teleport_potion:potion"},
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{"default:glass", "default:mese", "default:glass"},
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{"teleport_potion:potion", "default:glass", "teleport_potion:potion"}
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}
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})]]
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-- check portal & pad, teleport any entities on top
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minetest.register_abm({
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label = "Potion/Pad teleportation",
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nodenames = {"teleport_potion:portal", "teleport_potion:pad"},
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interval = 2,
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chance = 1,
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catch_up = false,
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action = function(pos, node, active_object_count, active_object_count_wider)
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-- check objects inside pad/portal
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local objs = minetest.get_objects_inside_radius(pos, 1)
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if #objs == 0 then
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return
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end
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-- get coords from pad/portal
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local meta = minetest.get_meta(pos)
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if not meta then return end -- errorcheck
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local target_coords = {
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x = meta:get_int("x"),
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y = meta:get_int("y"),
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z = meta:get_int("z")
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}
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for n = 1, #objs do
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if objs[n] then
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-- play sound on portal end
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minetest.sound_play("portal_close", {
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pos = pos,
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gain = 1.0,
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max_hear_distance = 5
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})
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-- move player/object
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objs[n]:setpos(target_coords)
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-- paricle effects on arrival
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tp_effect(target_coords)
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-- play sound on destination end
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minetest.sound_play("portal_close", {
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pos = target_coords,
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gain = 1.0,
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max_hear_distance = 5
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})
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-- rotate player to look in pad placement direction
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if objs[n]:is_player() then
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local rot = node.param2
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local yaw = 0
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if rot == 0 or rot == 20 then
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yaw = 0 -- north
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elseif rot == 2 or rot == 22 then
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yaw = 3.14 -- south
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elseif rot == 1 or rot == 23 then
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yaw = 4.71 -- west
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elseif rot == 3 or rot == 21 then
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yaw = 1.57 -- east
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end
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objs[n]:set_look_yaw(yaw)
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end
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end
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end
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end
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})
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-- Throwable potion
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local potion_entity = {
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physical = true,
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visual = "sprite",
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visual_size = {x = 1.0, y = 1.0},
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textures = {"potion.png"},
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collisionbox = {0,0,0,0,0,0},
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lastpos = {},
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player = "",
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}
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potion_entity.on_step = function(self, dtime)
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if not self.player then
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self.object:remove()
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return
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end
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local pos = self.object:getpos()
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if self.lastpos.x ~= nil then
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local vel = self.object:getvelocity()
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-- only when potion hits something physical
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if vel.x == 0
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or vel.y == 0
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or vel.z == 0 then
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if self.player ~= "" then
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-- round up coords to fix glitching through doors
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self.lastpos = vector.round(self.lastpos)
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self.player:setpos(self.lastpos)
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minetest.sound_play("portal_close", {
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pos = self.lastpos,
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gain = 1.0,
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max_hear_distance = 5
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})
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tp_effect(self.lastpos)
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end
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self.object:remove()
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return
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end
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end
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self.lastpos = pos
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end
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minetest.register_entity("teleport_potion:potion_entity", potion_entity)
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function throw_potion(itemstack, player)
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local playerpos = player:getpos()
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local obj = minetest.add_entity({
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x = playerpos.x,
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y = playerpos.y + 1.5,
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z = playerpos.z
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}, "teleport_potion:potion_entity")
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local dir = player:get_look_dir()
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local velocity = 20
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obj:setvelocity({
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x = dir.x * velocity,
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y = dir.y * velocity,
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z = dir.z * velocity
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})
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obj:setacceleration({
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x = dir.x * -3,
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y = -9.5,
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z = dir.z * -3
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})
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obj:setyaw(player:get_look_yaw() + math.pi)
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obj:get_luaentity().player = player
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end
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