First bundled release.

tetris/rulesets/arika.lua

@@ -0,0 +1,98 @@
+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.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
+	) and (
+		grid:isOccupied(piece.position.x, piece.position.y) or
+		grid:isOccupied(piece.position.x, piece.position.y - 1) or
+		grid:isOccupied(piece.position.x, piece.position.y - 2)
+	) then return end
+
+	-- kick right, kick left
+	if (grid:canPlacePiece(new_piece:withOffset({x=1, y=0}))) then
+		piece:setRelativeRotation(rot_dir):setOffset({x=1, y=0})
+		self:onPieceRotate(piece, grid)
+	elseif (grid:canPlacePiece(new_piece:withOffset({x=-1, y=0}))) then
+		piece:setRelativeRotation(rot_dir):setOffset({x=-1, y=0})
+		self:onPieceRotate(piece, grid)
+	end
+
+end
+
+function ARS:onPieceDrop(piece, grid)
+	piece.lock_delay = 0 -- step reset
+end
+
+function ARS:get180RotationValue() return config["reverse_rotate"] and 1 or 3 end
+function ARS:getDefaultOrientation() return 3 end  -- downward facing pieces by default
+
+return ARS