cambridge/tetris/rulesets/arika_ti.lua

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local Piece = require 'tetris.components.piece'
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local Ruleset = require 'tetris.rulesets.arika'
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local ARS = Ruleset:extend()
ARS.name = "Ti-ARS"
ARS.hash = "ArikaTI"
-- Component functions.
function ARS:attemptWallkicks(piece, new_piece, rot_dir, grid)
-- O doesn't kick
if (piece.shape == "O") then return end
-- center column rule
if (
piece.shape == "J" or piece.shape == "T" or piece.shape == "L"
) and (
piece.rotation == 0 or piece.rotation == 2
) then
local offsets = new_piece:getBlockOffsets()
table.sort(offsets, function(A, B) return A.y < B.y or A.y == B.y and A.x < B.y end)
for index, offset in pairs(offsets) do
if grid:isOccupied(piece.position.x + offset.x, piece.position.y + offset.y) then
if offset.x == 0 then
return
else
break
end
end
end
end
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if piece.shape == "I" then
-- special kick rules for I
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if (new_piece.rotation == 0 or new_piece.rotation == 2) and
(piece:isMoveBlocked(grid, {x=-1, y=0}) or piece:isMoveBlocked(grid, {x=1, y=0})) then
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-- kick right, right2, left
if grid:canPlacePiece(new_piece:withOffset({x=1, y=0})) then
self:onPieceRotate(piece, grid)
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piece:setRelativeRotation(rot_dir):setOffset({x=1, y=0})
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elseif grid:canPlacePiece(new_piece:withOffset({x=2, y=0})) then
self:onPieceRotate(piece, grid)
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piece:setRelativeRotation(rot_dir):setOffset({x=2, y=0})
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elseif grid:canPlacePiece(new_piece:withOffset({x=-1, y=0})) then
self:onPieceRotate(piece, grid)
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piece:setRelativeRotation(rot_dir):setOffset({x=-1, y=0})
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end
elseif piece:isDropBlocked(grid) and (new_piece.rotation == 1 or new_piece.rotation == 3) and piece.floorkick == 0 then
-- kick up, up2
if grid:canPlacePiece(new_piece:withOffset({x=0, y=-1})) then
self:onPieceRotate(piece, grid)
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piece:setRelativeRotation(rot_dir):setOffset({x=0, y=-1})
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piece.floorkick = 1
elseif grid:canPlacePiece(new_piece:withOffset({x=0, y=-2})) then
self:onPieceRotate(piece, grid)
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piece:setRelativeRotation(rot_dir):setOffset({x=0, y=-2})
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piece.floorkick = 1
end
end
else
-- kick right, kick left
if grid:canPlacePiece(new_piece:withOffset({x=1, y=0})) then
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self:onPieceRotate(piece, grid)
piece:setRelativeRotation(rot_dir):setOffset({x=1, y=0})
elseif grid:canPlacePiece(new_piece:withOffset({x=-1, y=0})) then
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self:onPieceRotate(piece, grid)
piece:setRelativeRotation(rot_dir):setOffset({x=-1, y=0})
elseif piece.shape == "T"
and new_piece.rotation == 0
and piece.floorkick == 0
and piece:isDropBlocked(grid)
and grid:canPlacePiece(new_piece:withOffset({x=0, y=-1}))
then
-- T floorkick
piece.floorkick = piece.floorkick + 1
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self:onPieceRotate(piece, grid)
piece:setRelativeRotation(rot_dir):setOffset({x=0, y=-1})
end
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end
end
function ARS:onPieceCreate(piece, grid)
piece.floorkick = 0
end
function ARS:onPieceDrop(piece, grid)
piece.lock_delay = 0 -- step reset
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if piece.floorkick >= 2 and piece:isDropBlocked(grid) then
piece.locked = true
end
end
function ARS:onPieceRotate(piece, grid)
if piece.floorkick >= 1 then
piece.floorkick = piece.floorkick + 1
end
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end
return ARS