--cd("/cirnofarm/src")
--include("/cirnofarm/src/cirno.lua")

function make_path(name)
	local base_path = "/cirnofarm/src/" -- Change this when releasing
	return base_path .. name
end

local _modules = {}

function loadfile (filename)
  local src = fetch(filename)

  if (type(src) ~= "string") then
    notify("could not include "..filename)
    stop()
    return
  end

  -- https://www.lua.org/manual/5.4/manual.html#pdf-load
  -- chunk name (for error reporting), mode ("t" for text only -- no binary chunk loading), _ENV upvalue
  -- @ is a special character that tells debugger the string is a filename
  local func,err = load(src, "@"..filename, "t", _ENV)
  -- syntax error while loading
  if (not func) then
    send_message(3, {event="report_error", content = "*syntax error"})
    send_message(3, {event="report_error", content = tostr(err)})

    stop()
    return
  end
  return func
end

function require(name)
  local already_imported = _modules[name]
  if already_imported ~= nil then
    return already_imported
  end

  local filename = fullpath(name:gsub ('%.', '/') ..'.lua')

  local func = loadfile (filename)

  local module = func(name)
  _modules[name]=module

  return module
end

--local strawberry = require(make_path("strawberry"))
--strawberry.func()

local cirno = require(make_path("cirno"))
local mouse_debug = require(make_path("mouse_debug"))
local map_manager = require(make_path("map"))
local weapons_manager = require(make_path("weapons"))
local Barrel = require(make_path("barrel"))

tile_width = 16
tile_height = 16

function _init()
  spawn_objects()
	cirno.init()
end

function _update()
	cirno.update()

  weapons_manager.update()

  for a in all(actors) do
    a:update()
  end

  for b in all(bullets) do
    b:update()
  end

  for p in all(particles) do
    p:update()
  end
end

LAYERS = {
  {index=4, name="background", render=true, render_objects=false, spawn_objects=false},
  {index=3, name="solid", render=true, render_objects=true, spawn_objects=false},
  {index=2, name="foreground", render=true, render_objects=false, spawn_objects=false},
  {index=1, name="objects", render=false, render_objects=false, spawn_objects=true}
}

actors = {}
bullets = {}
particles = {}

function _draw()
  cls(0)

  foreach(LAYERS, render_layer)
	
	mouse_debug.draw(4, tile_width, tile_height)
  weapons_manager.debug_draw()
end

function spawn_objects()
  
  local width = 32
  local height = 32

  for x=0,width,1 do
    
    for y=0,height,1 do
      local tile = map_manager.get_layer_tile(x,y,1)
      
      if (tile == 3) then
        local b = Barrel:new(x*tile_width,y*tile_height)
        add(actors,b)
      end
    end

  end

  
end

function render_layer(layer)
	if (layer.render) then
    -- todo move function in map manager
		map(fetch("map/".. map_manager.get_current_map() .. ".map")[layer.index].bmp)
	end

	if (layer.render_objects) then
		-- Render all objects here
		cirno.draw()
		
		weapons_manager.draw()

    for b in all(actors) do
      b:draw()
    end
    	
		for b in all(bullets) do
			b:draw()
		end

    for p in all(particles) do
			p:draw()
		end
	end	

end