minetest-mm/mods/spectator_mode/init.lua

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2020-11-15 20:25:38 +01:00
local original_pos = {}
minetest.register_privilege("watch", {
description = "Player can watch other players",
give_to_singleplayer = false,
give_to_admin = true,
})
local function toggle_hud_flags(player, bool)
local flags = player:hud_get_flags()
local new_hud_flags = {}
for flag in pairs(flags) do
new_hud_flags[flag] = bool
end
player:hud_set_flags(new_hud_flags)
end
local function unwatching(name)
local watcher = minetest.get_player_by_name(name)
local privs = minetest.get_player_privs(name)
if watcher and default.player_attached[name] == true then
watcher:set_detach()
player_api.player_attached[name] = false
watcher:set_eye_offset(vector.new(), vector.new())
watcher:set_nametag_attributes({color = {a = 255, r = 255, g = 255, b = 255}})
toggle_hud_flags(watcher, true)
watcher:set_properties({
visual_size = {x = 1, y = 1},
makes_footstep_sound = true,
collisionbox = {-0.3, 0.0, -0.3, 0.3, 1.7, 0.3}
})
if not privs.interact and privs.watch == true then
privs.interact = true
minetest.set_player_privs(name, privs)
end
local pos = original_pos[watcher]
if pos then
-- set_pos seems to be very unreliable
-- this workaround helps though
minetest.after(0.1, function()
watcher:set_pos(pos)
end)
original_pos[watcher] = nil
end
end
end
minetest.register_chatcommand("watch", {
params = "<to_name>",
description = "Watch a given player",
privs = {watch = true},
func = function(name, param)
local watcher = minetest.get_player_by_name(name)
local target = minetest.get_player_by_name(param)
local privs = minetest.get_player_privs(name)
if target and watcher ~= target then
if player_api.player_attached[name] == true then
unwatching(param)
else
original_pos[watcher] = watcher:get_pos()
end
player_api.player_attached[name] = true
watcher:set_attach(target, "", vector.new(0, -5, -20), vector.new())
watcher:set_eye_offset(vector.new(0, -5, -20), vector.new())
watcher:set_nametag_attributes({color = {a = 0}})
toggle_hud_flags(watcher, true)
watcher:set_properties({
visual_size = {x = 0, y = 0},
makes_footstep_sound = false,
collisionbox = {0}
})
privs.interact = nil
minetest.set_player_privs(name, privs)
return true, "Watching '" .. param .. "' at "..
minetest.pos_to_string(vector.round(target:get_pos()))
end
return false, "Invalid parameter ('" .. param .. "')."
end
})
minetest.register_chatcommand("unwatch", {
description = "Unwatch a player",
privs = {watch=true},
func = function(name, param)
unwatching(name)
end
})
minetest.register_on_leaveplayer(function(player)
local name = player:get_player_name()
unwatching(name)
end)