80cbd6d34a
Some of these are copies from the respective origins from mtg, to make sure we have headers everywhere listing the proper code. I've relicensed spectator_mode from WT*PL to LGPL-2.1. No other licenses were changed.
137 lines
3.5 KiB
Lua
137 lines
3.5 KiB
Lua
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--[[
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spectator mode - originally by kilbith.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public License
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as published by the Free Software Foundation; either version 2.1
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of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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MA 02111-1307 USA
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]]--
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local original_pos = {}
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local watching = {}
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minetest.register_privilege("watch", "Player can watch other players")
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local function toggle_hud_flags(player, bool)
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local flags = player:hud_get_flags()
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local new_hud_flags = {}
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for flag in pairs(flags) do
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new_hud_flags[flag] = bool
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end
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player:hud_set_flags(new_hud_flags)
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end
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local function unwatching(name)
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local watcher = minetest.get_player_by_name(name)
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local privs = minetest.get_player_privs(name)
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if watcher and watching[name] then
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watcher:set_detach()
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watching[name] = nil
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watcher:set_eye_offset(vector.new(), vector.new())
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watcher:set_nametag_attributes({color = {a = 255, r = 255, g = 255, b = 255}})
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toggle_hud_flags(watcher, true)
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watcher:set_properties({
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visual_size = {x = 1, y = 1},
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makes_footstep_sound = true,
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collisionbox = {-0.3, -1, -0.3, 0.3, 1, 0.3}
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})
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if not privs.interact and privs.watch == true then
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privs.interact = true
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minetest.set_player_privs(name, privs)
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end
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local pos = original_pos[watcher]
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if pos then
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-- setpos seems to be very unreliable
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-- this workaround helps though
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minetest.after(0.1, function()
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watcher:setpos(pos)
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end)
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original_pos[watcher] = nil
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end
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end
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end
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minetest.register_chatcommand("watch", {
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params = "<to_name>",
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description = "watch a given player",
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privs = {watch = true},
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func = function(name, param)
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local watcher = minetest.get_player_by_name(name)
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local target = minetest.get_player_by_name(param)
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local privs = minetest.get_player_privs(name)
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if target and watcher ~= target then
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if watching[name] then
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unwatching(param)
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else
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original_pos[watcher] = watcher:getpos()
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end
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watching[name] = target
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watcher:set_attach(target, "", vector.new(0, -5, -20), vector.new())
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watcher:set_eye_offset(vector.new(0, -5, -20), vector.new())
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watcher:set_nametag_attributes({color = {a = 0}})
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toggle_hud_flags(watcher, true)
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watcher:set_properties({
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visual_size = {x = 0, y = 0},
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makes_footstep_sound = false,
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collisionbox = {0}
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})
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privs.interact = nil
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minetest.set_player_privs(name, privs)
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return true, "Watching '" .. param .. "' at "..
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minetest.pos_to_string(vector.round(target:getpos()))
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end
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return false, "Invalid parameter ('" .. param .. "')."
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end
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})
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minetest.register_chatcommand("unwatch", {
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description = "unwatch a player",
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privs = {watch=true},
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func = function(name, param)
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unwatching(name)
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end
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})
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minetest.register_on_leaveplayer(function(player)
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local name = player:get_player_name()
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-- if watched target disconnects, stop spectator mode for the watcher
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for k, v in pairs(watching) do
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if name == v then
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unwatching(k)
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end
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end
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if watching[name] then
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unwatching(name)
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end
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end)
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