local Animation = require "animation"
local Atlas = require "atlas"

local function spannedState(atlas, start, len, on_finish, next)
  local animation = Animation:new_spanned(atlas, start, start + len - 1)
  return { animation = animation, on_finish = on_finish, next = next }
end

local function rowState(atlas, row, len, on_finish, next)
  local start = (row - 1) * atlas.w + 1
  return spannedState(atlas, start, len, on_finish, next)
end

local leafRanger = Atlas("assets/leaf-ranger.png", 288, 128, 144, 128)
local bringerOfDeath = Atlas("assets/bringer-of-death.png", 140, 93, 105, 93)

return {
  {
    name = "Leaf Ranger",
    states = {
      idle = rowState(leafRanger, 1, 12),
      run = rowState(leafRanger, 2, 10),
      hurt = rowState(leafRanger, 16, 6, "goto", "idle"),
      death = rowState(leafRanger, 17, 19, "stop"),
    }
  },
  {
    name = "Bringer of Death",
    states = {
      idle = rowState(bringerOfDeath, 1, 8),
      walk = rowState(bringerOfDeath, 2, 8),
      attack = rowState(bringerOfDeath, 3, 10, "goto", "idle"),
      hurt = spannedState(bringerOfDeath, 27, 3, "goto", "idle"),
      death = spannedState(bringerOfDeath, 30, 10, "stop"),
      cast = spannedState(bringerOfDeath, 40, 9, "goto", "idle"),
      spell = spannedState(bringerOfDeath, 49, 16, "stop"),
    }
  }
}