oshi forced me to add bags

tetris/randomizers/bag8.lua

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+local Randomizer = require 'tetris.randomizers.randomizer'
+
+local Bag7Randomizer = Randomizer:extend()
+
+function Bag7Randomizer:initialize()
+	self.bag = {"I", "J", "L", "O", "S", "T", "Z"}
+	self.extra = {"I", "J", "L", "O", "S", "T", "Z"}
+	table.insert(self.bag, table.remove(self.extra, math.random(table.getn(self.extra))))
+end
+
+function Bag7Randomizer:generatePiece()
+	if next(self.extra) == nil then
+                self.extra = {"I", "J", "L", "O", "S", "T", "Z"}
+        end
+	if next(self.bag) == nil then
+		self.bag = {"I", "J", "L", "O", "S", "T", "Z"}
+		table.insert(self.bag, table.remove(self.extra, math.random(table.getn(self.extra))))
+	end
+	local x = math.random(table.getn(self.bag))
+	--print("Bag: "..table.concat(self.bag, ", ").." | Extra: "..table.concat(self.extra, ", "))
+	return table.remove(self.bag, x)
+end
+
+return Bag7Randomizer

tetris/randomizers/recursive_bag.lua

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+local Randomizer = require 'tetris.randomizers.randomizer'
+
+local RecursiveRandomizer = Randomizer:extend()
+
+function RecursiveRandomizer:initialize()
+	self.bag = {"I", "J", "L", "O", "S", "T", "Z"}
+end
+
+function RecursiveRandomizer:generatePiece()
+	--if next(self.bag) == nil then
+	--	self.bag = {"I", "J", "L", "O", "S", "T", "Z"}
+	--end
+	local x = math.random(table.getn(self.bag) + 1)
+	while x == table.getn(self.bag) + 1 do
+		print("Refill piece pulled")
+		table.insert(self.bag, "I")
+		table.insert(self.bag, "J")
+		table.insert(self.bag, "L")
+		table.insert(self.bag, "O")
+		table.insert(self.bag, "S")
+		table.insert(self.bag, "T")
+		table.insert(self.bag, "Z")
+		x = math.random(table.getn(self.bag) + 1)
+	end
+	--print("Number of pieces in bag: "..table.getn(self.bag))
+	--print("Bag: "..table.concat(self.bag, ", "))
+	return table.remove(self.bag, x)
+end
+
+return RecursiveRandomizer