Add wearables API

mods/rgt_player/init.lua

@@ -43,10 +43,40 @@ Player = {
         e.hud = {}
         e.poi = {}
         
+        e.wearing = {}
+        
         e:update_hp(p:get_hp())
         
+        e:update_inv()
+        
         return e
     end,
+    update_inv = function(m)
+        m.object:set_formspec_prepend [[
+            bgcolor[#000;true]
+            background9[0,0;0,0;rgt_container_bg.png;true;16,16]
+            style_type[button;border=false;bgimg=rgt_button_bg.png;bgimg_middle=8,8]
+            listcolors[#fff0;#fff3;#0000;#444;#aaa]
+        ]]
+        local fs = "\
+            formspec_version[10]\
+            size[12,10]\
+        "
+        for x = 0, 7 do
+            for y = 0, 3 do
+                fs = fs.."\
+                image["..(x *1.25 +1 -0.0625)..","..(y *1.25 +4.5 -0.0625)..";1.14,1.14;rgt_other_button_bg.png;8,8]\
+                "
+            end
+        end
+        fs = fs.."\
+            list[current_player;main;1,4.5;8,4;]\
+            list[current_player;craft;3,0.5;3,3;]\
+            listring[]\
+            list[current_player;craftpreview;7,1;1,1;]\
+        "
+        m.object:set_inventory_formspec(fs)
+    end,
     update_hp = function(m, hp)
         if not (m.health_display and m.health_display:is_valid()) then
             local pos = m.object:get_pos() or vector.zero()
@@ -109,6 +139,8 @@ Player = {
             wield_item = def.name
         }
         m.wielditem_display:set_attach(m.object, "RightArm", pos, rot)
+        -- Apparently this forces a resend so that properties and attachment position will sync up?
+        m.wielditem_display:set_pos(m.wielditem_display:get_pos())
     end,
     tick = function(m, dtime)
         local time = minetest.get_us_time()
@@ -333,6 +365,7 @@ Player = {
     end,
     deinit = function(m)
         m.health_display:remove()
+        m.wielditem_display:remove()
         rgt.players[m.name] = nil
     end
 }