Entity.lua

module(..., package.seeall, class.make)

local next_uid = 1

-- Setup the uids repository as a weak value table, when the entities are no more used anywhere else they disappear from there too
setmetatable(__uids, {__mode="v"})

function _M:init(t)
	print("entity init")
	t = t or {}
	self.uid = next_uid
	__uids[self.uid] = self

	self.display = t.display or '.'
	self.color_r = t.color_r or 0
	self.color_g = t.color_g or 0
	self.color_b = t.color_b or 0
	self.block_sight = t.block_sight
	self.block_move = t.block_move

	next_uid = next_uid + 1
end

-- If we are cloned we need a new uid
function _M:cloned()
	self.uid = next_uid
	__uids[self.uid] = self
	next_uid = next_uid + 1
end

function _M:check(prop, ...)
	if type(self[prop]) == "function" then return self[prop](...)
	else return self[prop]
	end
end