Fix broken redraw code, implement player sprites (some) and get ready for interactable objects.

constants.lua

@@ -13,6 +13,13 @@ function init_constants()
 
    -- the indices here are sprite numbers.
    object_interaction_map = {
+      -- bush
+      [3] = {
+         replacement = 17,
+         sfx = 13,
+         drop = 69
+      },
+
       -- tree
       [4] = {
          replacement = 14,