Clean up a few functions and get ready for new features.

player.lua

@@ -88,6 +88,15 @@ end
 function draw_player()
    spr(player_lookup[facing[1]][facing[2]], 64, 64)
    -- todo: animate the character on move
+
+   -- draw the player's HUD
+   if fget(mget(player_pos[1], player_pos[2]), 1) then
+      -- flag 1 represents an interactable (read: destructible) sprite.
+      -- need a map of destructible map objects, appropriate sfx, replacement
+      -- sprites.
+   end
+
+   -- todo: introduce the concept of an inventory here
 end
 
 -- pos is camera position, meaning the map-relative player