VoxeLibre/mods/PLAYER/mcl_spawn/init.lua
2019-03-08 05:12:31 +01:00

112 lines
3.7 KiB
Lua

mcl_spawn = {}
local mg_name = minetest.get_mapgen_setting("mg_name")
-- Returns current custom spawn position of player.
-- Returns nil if player has no custom spawn position.
-- If player is nil or not a player, the default spawn point is returned.
-- The second return value is true if spawn point is player-chosen,
-- false otherwise.
mcl_spawn.get_spawn_pos = function(player)
local spawn, custom_spawn = nil, false
if player ~= nil and player:is_player() then
local attr = player:get_meta():get_string("mcl_beds:spawn")
if attr ~= nil and attr ~= "" then
spawn = minetest.string_to_pos(attr)
custom_spawn = true
end
end
if not spawn or spawn == "" then
spawn = minetest.setting_get_pos("static_spawnpoint")
custom_spawn = false
end
-- We are getting desperate ...
-- Use the first spawn point of the player
if not spawn or spawn == "" then
local attr = player:get_meta():get_string("mcl_spawn:first_spawn")
if attr ~= nil and attr ~= "" then
-- Adjust Y
spawn = minetest.string_to_pos(attr)
local y = minetest.get_spawn_level(spawn.x, spawn.z)
if y then
spawn.y = y
end
custom_spawn = false
end
end
return spawn, custom_spawn
end
-- Sets the player's spawn position to pos.
-- Set pos to nil to clear the spawn position.
-- If message is set, informs the player with a chat message when the spawn position
-- changed.
mcl_spawn.set_spawn_pos = function(player, pos, message)
local spawn_changed = false
local meta = player:get_meta()
if pos == nil then
if meta:get_string("mcl_beds:spawn") ~= "" then
spawn_changed = true
if message then
minetest.chat_send_player(player:get_player_name(), "Respawn position cleared!")
end
end
meta:set_string("mcl_beds:spawn", "")
else
local oldpos = minetest.string_to_pos(meta:get_string("mcl_beds:spawn"))
if oldpos then
-- We don't bother sending a message if the new spawn pos is basically the same
if vector.distance(pos, oldpos) > 0.1 then
spawn_changed = true
if message then
minetest.chat_send_player(player:get_player_name(), "New respawn position set!")
end
end
end
meta:set_string("mcl_beds:spawn", minetest.pos_to_string(pos))
end
return spawn_changed
end
local function get_far_node(pos)
local node = minetest.get_node(pos)
if node.name ~= "ignore" then
return node
end
minetest.get_voxel_manip():read_from_map(pos, pos)
return minetest.get_node(pos)
end
-- Respawn player at specified respawn position
minetest.register_on_respawnplayer(function(player)
local pos, custom_spawn = mcl_spawn.get_spawn_pos(player)
if pos and custom_spawn then
-- Check if bed is still there
-- and the spawning position is free of solid or damaging blocks.
local node_bed = get_far_node(pos)
local node_up1 = get_far_node({x=pos.x,y=pos.y+1,z=pos.z})
local node_up2 = get_far_node({x=pos.x,y=pos.y+2,z=pos.z})
local bgroup = minetest.get_item_group(node_bed.name, "bed")
local def1 = minetest.registered_nodes[node_up1.name]
local def2 = minetest.registered_nodes[node_up2.name]
if (bgroup == 1 or bgroup == 2) and
(not def1.walkable) and (not def2.walkable) and
(def1.damage_per_second == nil or def2.damage_per_second <= 0) and
(def1.damage_per_second == nil or def2.damage_per_second <= 0) then
player:set_pos(pos)
return true
else
-- Forget spawn if bed was missing
if (bgroup ~= 1 and bgroup ~= 2) then
mcl_spawn.set_spawn_pos(player, nil)
end
minetest.chat_send_player(player:get_player_name(), "Your spawn bed was missing or blocked.")
end
end
end)
minetest.register_on_newplayer(function(player)
-- Remember where the player spawned first
player:get_meta():set_string("mcl_spawn:first_spawn", minetest.pos_to_string(player:get_pos()))
end)