-- unavoidable table lookups used by multiple files are stored here.
-- nothing in here should
-- be changed at runtime.
--
-- also has commented "fake constants" that are replaced by actual values, for
-- reference.
--
-- see index_map.md for more "constant" values

function init_constants()
   -- block_size = 64
   -- biome_size = 128

   -- the indices here are sprite numbers.
   object_interaction_map = {
      -- tree
      [4] = {
         replacement = 14,
         sfx = 11,
         drop = 65
      },

      -- big mushroom
      [8] = {
         replacement = 16,
         sfx = 12,
         drop = 66
      },

      -- cactus w/ flower
      [10] = {
         replacement = 15,
         sfx = 12,
         drop = 68
      },

      -- cactus
      [13] = {
         replacement = 15,
         sfx = 12,
         drop = 67
      }
   }

end