cambridge/tetris/rulesets/arika.lua

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local Piece = require 'tetris.components.piece'
local Ruleset = require 'tetris.rulesets.ruleset'
local ARS = Ruleset:extend()
ARS.name = "Classic ARS"
ARS.hash = "Arika"
ARS.spawn_positions = {
I = { x=5, y=4 },
J = { x=4, y=5 },
L = { x=4, y=5 },
O = { x=5, y=5 },
S = { x=4, y=5 },
T = { x=4, y=5 },
Z = { x=4, y=5 },
}
ARS.big_spawn_positions = {
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I = { x=3, y=2 },
J = { x=2, y=3 },
L = { x=2, y=3 },
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O = { x=3, y=3 },
S = { x=2, y=3 },
T = { x=2, y=3 },
Z = { x=2, y=3 },
}
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ARS.block_offsets = {
I={
{ {x=0, y=0}, {x=-1, y=0}, {x=-2, y=0}, {x=1, y=0} },
{ {x=0, y=0}, {x=0, y=-1}, {x=0, y=1}, {x=0, y=2} },
{ {x=0, y=0}, {x=-1, y=0}, {x=-2, y=0}, {x=1, y=0} },
{ {x=0, y=0}, {x=0, y=-1}, {x=0, y=1}, {x=0, y=2} },
},
J={
{ {x=0, y=0}, {x=-1, y=0}, {x=1, y=0}, {x=-1, y=-1} },
{ {x=0, y=-1}, {x=1, y=-2}, {x=0, y=-2}, {x=0, y=0} },
{ {x=0, y=-1}, {x=-1, y=-1}, {x=1, y=-1}, {x=1, y=0} },
{ {x=0, y=-1}, {x=0, y=-2}, {x=0, y=0}, {x=-1, y=0} },
},
L={
{ {x=0, y=0}, {x=-1, y=0}, {x=1, y=0}, {x=1, y=-1} },
{ {x=0, y=-2}, {x=0, y=-1}, {x=1, y=0}, {x=0, y=0} },
{ {x=0, y=-1}, {x=-1, y=-1}, {x=1, y=-1}, {x=-1, y=0} },
{ {x=0, y=-1}, {x=-1, y=-2}, {x=0, y=-2}, {x=0, y=0} },
},
O={
{ {x=0, y=0}, {x=-1, y=0}, {x=-1, y=-1}, {x=0, y=-1} },
{ {x=0, y=0}, {x=-1, y=0}, {x=-1, y=-1}, {x=0, y=-1} },
{ {x=0, y=0}, {x=-1, y=0}, {x=-1, y=-1}, {x=0, y=-1} },
{ {x=0, y=0}, {x=-1, y=0}, {x=-1, y=-1}, {x=0, y=-1} },
},
S={
{ {x=1, y=-1}, {x=0, y=-1}, {x=0, y=0}, {x=-1, y=0} },
{ {x=-1, y=-2}, {x=-1, y=-1}, {x=0, y=-1}, {x=0, y=0} },
{ {x=1, y=-1}, {x=0, y=-1}, {x=0, y=0}, {x=-1, y=0} },
{ {x=-1, y=-2}, {x=-1, y=-1}, {x=0, y=-1}, {x=0, y=0} },
},
T={
{ {x=0, y=0}, {x=-1, y=0}, {x=1, y=0}, {x=0, y=-1} },
{ {x=0, y=-1}, {x=0, y=0}, {x=1, y=-1}, {x=0, y=-2} },
{ {x=0, y=-1}, {x=-1, y=-1}, {x=1, y=-1}, {x=0, y=0} },
{ {x=0, y=-1}, {x=0, y=0}, {x=-1, y=-1}, {x=0, y=-2} },
},
Z={
{ {x=0, y=-1}, {x=-1, y=-1}, {x=1, y=0}, {x=0, y=0} },
{ {x=0, y=-1}, {x=0, y=0}, {x=1, y=-2}, {x=1, y=-1} },
{ {x=0, y=-1}, {x=-1, y=-1}, {x=1, y=0}, {x=0, y=0} },
{ {x=0, y=-1}, {x=0, y=0}, {x=1, y=-2}, {x=1, y=-1} },
}
}
function ARS:attemptWallkicks(piece, new_piece, rot_dir, grid)
-- I and O don't kick
if (piece.shape == "I" or 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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-- kick right, kick 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=-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
end
function ARS:onPieceDrop(piece, grid)
piece.lock_delay = 0 -- step reset
end
function ARS:get180RotationValue()
if config.gamesettings.world_reverse == 3 then
return 1
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else
return 3
end
end
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function ARS:getDefaultOrientation() return 3 end -- downward facing pieces by default
return ARS