cambridge-modpack/tetris/randomizers/ex.lua

35 lines
718 B
Lua

local Randomizer = require 'tetris.randomizers.randomizer'
local EXRandomizer = Randomizer:extend()
function EXRandomizer:initialize()
self.history = {"S", "Z", "S", "Z"}
end
function EXRandomizer:generatePiece()
local shapes = {"I", "J", "L", "O", "S", "T", "Z"}
for i = 1, 6 do
local x = math.random(7)
if not inHistory(shapes[x], self.history) or i == 6 then
return self:updateHistory(shapes[x])
end
end
end
function EXRandomizer:updateHistory(shape)
table.remove(self.history, 1)
table.insert(self.history, shape)
return shape
end
function inHistory(piece, history)
for idx, entry in pairs(history) do
if entry == piece then
return true
end
end
return false
end
return EXRandomizer