From e793c26f642015a9f9d96d6aead984a09b1bbb50 Mon Sep 17 00:00:00 2001
From: whosit <knbdevel@gmail.com>
Date: Fri, 14 May 2021 19:16:50 +0300
Subject: [PATCH] Just basic HUD waypoint toggle on use

---
 init.lua | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 init.lua

diff --git a/init.lua b/init.lua
new file mode 100644
index 0000000..2ad83e7
--- /dev/null
+++ b/init.lua
@@ -0,0 +1,47 @@
+local player_waypoints = {}
+
+minetest.register_tool("waypoint_compass:compass", {
+                           description = "Waypoint compass",
+                           inventory_image = "Waypoint_compass_inventory_image.png",
+                           -- Display HUD waypoint on use
+                           on_use = function(itemstack, user, pointed_thing)
+                               if not itemstack then
+                                   return nil
+                               end
+                               local meta = itemstack:get_meta()
+                               local waypoint_id = meta:get_string("waypoint_compass:id")
+                               if user and user:is_player() then
+                                   local player = user
+                                   local player_name = player:get_player_name()
+                                   if (player_waypoints[player_name] and
+                                       player_waypoints[player_name][waypoint_id]) then
+                                       -- Waypoint is currently displayed, remove it
+                                       local hud_id = player_waypoints[player_name][waypoint_id]
+                                       print("hud_id remove", hud_id)
+                                       player_waypoints[player_name][waypoint_id] = nil
+                                       player:hud_remove(hud_id)
+                                   else
+                                       -- Show this waypoint
+                                       local waypoint_name = meta:get_string("waypoint_compass:name") ~= "" or "destination"
+                                       local hud_id = player:hud_add({
+                                               hud_elem_type = "waypoint",
+                                               name = waypoint_name,
+                                               text = "m",
+                                               precision=1,
+                                               number = 0xFF, --0xFFFFFF,
+                                               world_pos = {x=0, y=0, z=0},
+                                       })
+                                       -- store HUD elemnt id to remove it later
+                                       if not player_waypoints[player_name] then
+                                           player_waypoints[player_name] = {}
+                                       end
+                                       print("hud_id add", hud_id)
+                                       player_waypoints[player_name][waypoint_id] = hud_id
+                                   end
+                                   
+                               end
+                               return nil
+                           end,
+})
+                           
+