stages = {}

stages.stage = 1
stages.stage_loaded = 0
stages.last_stage = 1

stages.actors={}
stages.boss_loaded   = false
stages.boss_ready    = false
stages.boss_finished = false
boss = nil

stages.stage_init        = nil
stages.stage_update      = nil
stages.stage_draw_back   = nil
stages.stage_draw_middle = nil
stages.stage_draw_front  = nil

function stages.load_stage( init )
    init = init or false
    stages.stage_init        = stages["stage"..stages.stage.."_init"]
    stages.stage_update      = stages["stage"..stages.stage.."_update"]
    stages.stage_draw_back   = stages["stage"..stages.stage.."_draw_back"]
    stages.stage_draw_middle = stages["stage"..stages.stage.."_draw_middle"]
    stages.stage_draw_front  = stages["stage"..stages.stage.."_draw_front"]
    stages.stage_loaded = stages.stage
    stages.boss_ready   = false
    stages.boss_loaded  = false
    if init then stages.stage_init() end
end

function stages.load_boss_stage()
    stages.stage_init        = stages["stage"..stages.stage.."_boss_init"]
    stages.stage_update      = stages["stage"..stages.stage.."_boss_update"]
    stages.stage_draw_back   = stages["stage"..stages.stage.."_boss_draw_back"]
    stages.stage_draw_middle = stages["stage"..stages.stage.."_boss_draw_middle"]
    stages.stage_draw_front  = stages["stage"..stages.stage.."_boss_draw_front"]
    stages.boss_loaded = true
end

function stages.unload_boss_stage()
    stages.boss_ready    = false
    stages.boss_finished = false
    stages.boss_loaded   = false
    stages.load_stage(false)
end

function stages.next_stage()
    stages.stage = stages.stage + 1
    if stages.stage>stages.last_stage then
        states:executar("title",false)
    else
        stages.load_stage(true)
    end
end

require "stage1"