From 8f0e38e00a4533ad6ff5a1b2c24036e94a23fb70 Mon Sep 17 00:00:00 2001
From: NatureFreshMilk <naturefreshmilk@github.com>
Date: Fri, 22 Mar 2019 13:23:19 +0100
Subject: [PATCH] player hide feature

---
 doc/mod.md                         | 9 +++++++++
 mapserver_mod/mapserver/bridge.lua | 7 ++++++-
 mapserver_mod/mapserver/init.lua   | 1 +
 mapserver_mod/mapserver/privs.lua  | 4 ++++
 4 files changed, 20 insertions(+), 1 deletion(-)
 create mode 100644 mapserver_mod/mapserver/privs.lua

diff --git a/doc/mod.md b/doc/mod.md
index 52f92bb..2d4999d 100644
--- a/doc/mod.md
+++ b/doc/mod.md
@@ -42,3 +42,12 @@ secure.http_mods = mapserver
 mapserver.url = http://127.0.0.1:8080
 mapserver.key = ZJoSpysiKGlYexof
 ```
+
+### Hiding players from the map
+
+If (for any reason) you want to hide players on the map, you can `/grant` them the following priv:
+```
+mapserver_hide_player
+```
+
+The player-position and data will not be sent to the mapserver
diff --git a/mapserver_mod/mapserver/bridge.lua b/mapserver_mod/mapserver/bridge.lua
index 34d709e..e0054f5 100644
--- a/mapserver_mod/mapserver/bridge.lua
+++ b/mapserver_mod/mapserver/bridge.lua
@@ -78,6 +78,9 @@ function send_stats()
   end
 
   for _, player in ipairs(minetest.get_connected_players()) do
+
+    local is_hidden = minetest.check_player_privs(player:get_player_name(), {mapserver_hide_player = true}) then
+
     local info = {
       name = player:get_player_name(),
       pos = player:get_pos(),
@@ -86,7 +89,9 @@ function send_stats()
       velocity = player:get_player_velocity()
     }
 
-    table.insert(data.players, info)
+    if not is_hidden then
+      table.insert(data.players, info)
+    end
   end
 
   local json = minetest.write_json(data)
diff --git a/mapserver_mod/mapserver/init.lua b/mapserver_mod/mapserver/init.lua
index d361e2f..cfeed41 100644
--- a/mapserver_mod/mapserver/init.lua
+++ b/mapserver_mod/mapserver/init.lua
@@ -7,6 +7,7 @@ dofile(MP.."/train.lua")
 dofile(MP.."/label.lua")
 dofile(MP.."/border.lua")
 dofile(MP.."/legacy.lua")
+dofile(MP.."/privs.lua")
 
 
 -- optional mapserver-bridge stuff below
diff --git a/mapserver_mod/mapserver/privs.lua b/mapserver_mod/mapserver/privs.lua
new file mode 100644
index 0000000..30d07bb
--- /dev/null
+++ b/mapserver_mod/mapserver/privs.lua
@@ -0,0 +1,4 @@
+
+minetest.register_privilege("mapserver_hide_player", {
+	description = "Player is hidden from the map"
+})