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Ensure consistent return portal from nether

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this saves the linked portals in the portal node meta
This commit is contained in:
cora 2022-09-12 21:02:18 +02:00 committed by Gitea
parent d3211a9085
commit d97f274938
1 changed files with 32 additions and 2 deletions
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34
mods/ITEMS/mcl_portals/portal_nether.lua
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@ -1,4 +1,6 @@
local S = minetest.get_translator(minetest.get_current_modname())
local modname = minetest.get_current_modname()
local S = minetest.get_translator(modname)
local modpath = minetest.get_modpath(modname)
local SCAN_2_MAP_CHUNKS = true -- slower but helps to find more suitable places
@ -90,6 +92,27 @@ local limits = {
},
}
local function save_portal_pos(pos,target_pos)
local p1 = vector.offset(pos,-2,-1,-2)
local p2 = vector.offset(pos,2,15,2)
local nn = find_nodes_in_area(p1,p2,{"mcl_portals:portal"})
for _,p in pairs(nn) do
minetest.get_meta(p):set_string("target_portal",minetest.hash_node_position(target_pos))
end
end
local function get_portal_pos(pos)
local p1 = vector.offset(pos,-5,-1,-5)
local p2 = vector.offset(pos,5,5,5)
local nn = find_nodes_in_area(p1,p2,{"mcl_portals:portal"})
for _,p in pairs(nn) do
local m = minetest.get_meta(p):get_string("target_portal")
if m and m ~= "" and mcl_vars.get_node(p).name == "mcl_portals:portal" then
return minetest.get_position_from_hash(m)
end
end
end
-- This function registers exits from Nether portals.
-- Incoming verification performed: two nodes must be portal nodes, and an obsidian below them.
-- If the verification passes - position adds to the table and saves to mod storage on exit.
@ -406,6 +429,10 @@ local function finalize_teleport(obj, exit)
end
local _, dim = mcl_worlds.y_to_layer(exit.y)
local saved_portal = find_exit(get_portal_pos(objpos),10,10,10)
if saved_portal then exit = saved_portal end
-- If player stands, player is at ca. something+0.5 which might cause precision problems, so we used ceil for objpos.y
objpos = {x = floor(objpos.x+0.5), y = ceil(objpos.y), z = floor(objpos.z+0.5)}
@ -421,8 +448,11 @@ local function finalize_teleport(obj, exit)
teleport_cooloff(obj)
-- Teleport
save_portal_pos(objpos,exit)
obj:set_pos(exit)
minetest.after(1,function()
save_portal_pos(exit,objpos)
end)
if is_player then
mcl_worlds.dimension_change(obj, dim)
minetest.sound_play("mcl_portals_teleport", {pos=exit, gain=0.5, max_hear_distance = 16}, true)