Fix

mods/rgt_player/init.lua

@@ -0,0 +1,31 @@
+local ns = rgt
+ns.players = {}
+
+Player = {
+    new = function(p)
+        local e = setmetatable({
+            name = p:get_player_name(),
+            object = p
+        }, {__index = Player})
+        return e
+    end
+}
+setmetatable(Player, {
+    __call = function(_, ...) return Player.new(...) end
+})
+
+-- TODO: Replace builtin health system with custom health system
+minetest.hud_replace_builtin("health", {
+    type = "statbar",
+    position = {x=0.5,y=1},
+    offset = {x=-27 *10 -1,y=-96},
+    scale = {x=4,y=4},
+    alignment = {x=-1, y=-1},
+    size = {x=27,y=27},
+    text = "rgt_heart.png",
+    text2 = "rgt_heart_empty.png"
+})
+
+minetest.register_on_joinplayer(function(p)
+    ns.players[p:get_player_name()] = Player(p)
+end)