cambridge/tetris/rulesets/standard_exp.lua

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local Piece = require 'tetris.components.piece'
local Ruleset = require 'tetris.rulesets.standard_ti'
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local SRS = Ruleset:extend()
SRS.name = "SRS-X"
SRS.hash = "StandardEXP"
SRS.world = true
SRS.colourscheme = {
I = "C",
L = "O",
J = "B",
S = "G",
Z = "R",
O = "Y",
T = "M",
}
SRS.softdrop_lock = true
SRS.harddrop_lock = false
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SRS.enable_IRS_wallkicks = true
SRS.MANIPULATIONS_MAX = 24
SRS.ROTATIONS_MAX = 12
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function SRS:checkNewLow(piece)
for _, block in pairs(piece:getBlockOffsets()) do
local y = piece.position.y + block.y
if y > piece.lowest_y then
piece.lowest_y = y
end
end
end
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-- Component functions.
function SRS:attemptWallkicks(piece, new_piece, rot_dir, grid)
local kicks
if piece.shape == "O" then
return
elseif piece.shape == "I" then
kicks = SRS.wallkicks_line[piece.rotation][new_piece.rotation]
else
kicks = SRS.wallkicks_3x3[piece.rotation][new_piece.rotation]
end
assert(piece.rotation ~= new_piece.rotation)
for idx, offset in pairs(kicks) do
kicked_piece = new_piece:withOffset(offset)
if grid:canPlacePiece(kicked_piece) then
piece:setRelativeRotation(rot_dir)
piece:setOffset(offset)
self:onPieceRotate(piece, grid, offset.y < 0)
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return
end
end
end
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function SRS:onPieceCreate(piece, grid)
piece.manipulations = 0
piece.rotations = 0
piece.lowest_y = -math.huge
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end
function SRS:onPieceDrop(piece, grid)
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self:checkNewLow(piece)
if (
piece.manipulations >= self.MANIPULATIONS_MAX or
piece.rotations >= self.ROTATIONS_MAX
) and piece:isDropBlocked(grid) then
piece.locked = true
else
piece.lock_delay = 0 -- step reset
end
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end
function SRS:onPieceMove(piece, grid)
piece.lock_delay = 0 -- move reset
if piece:isDropBlocked(grid) then
piece.manipulations = piece.manipulations + 1
if piece.manipulations >= SRS.MANIPULATIONS_MAX then
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piece.locked = true
end
end
end
function SRS:onPieceRotate(piece, grid, upward)
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piece.lock_delay = 0 -- rotate reset
if upward or piece:isDropBlocked(grid) then
piece.rotations = piece.rotations + 1
if piece.rotations >= self.ROTATIONS_MAX and piece:isDropBlocked(grid) then
piece.locked = true
end
end
end
function SRS:canPieceRotate(piece)
return piece.rotations < self.ROTATIONS_MAX
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end
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function SRS:get180RotationValue() return 2 end
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return SRS