35 lines
773 B
Lua
35 lines
773 B
Lua
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local Randomizer = require 'tetris.randomizers.randomizer'
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local History4RollsRandomizer = Randomizer:extend()
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function History4RollsRandomizer:initialize()
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self.history = {"Z", "S", "Z", "S"}
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end
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function History4RollsRandomizer:generatePiece()
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local shapes = {"I", "J", "L", "O", "S", "T", "Z"}
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for i = 1, 4 do
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local x = math.random(7)
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if not inHistory(shapes[x], self.history) or i == 4 then
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return self:updateHistory(shapes[x])
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end
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end
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end
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function History4RollsRandomizer:updateHistory(shape)
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table.remove(self.history, 1)
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table.insert(self.history, shape)
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return shape
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end
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function inHistory(piece, history)
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for idx, entry in pairs(history) do
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if entry == piece then
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return true
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end
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end
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return false
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end
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return History4RollsRandomizer
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