cambridge/tetris/rulesets/ruleset.lua

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local Object = require 'libs.classic'
local Piece = require 'tetris.components.piece'
local Ruleset = Object:extend()
Ruleset.name = ""
Ruleset.hash = ""
-- Arika-type ruleset defaults
Ruleset.world = false
Ruleset.colourscheme = {
I = "R",
L = "O",
J = "B",
S = "M",
Z = "G",
O = "Y",
T = "C",
}
Ruleset.softdrop_lock = true
Ruleset.harddrop_lock = false
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Ruleset.enable_IRS_wallkicks = false
-- Component functions.
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function Ruleset:new()
blocks["bone"] = (not self.world) and
{
R = love.graphics.newImage("res/img/bone.png"),
O = love.graphics.newImage("res/img/bone.png"),
Y = love.graphics.newImage("res/img/bone.png"),
G = love.graphics.newImage("res/img/bone.png"),
C = love.graphics.newImage("res/img/bone.png"),
B = love.graphics.newImage("res/img/bone.png"),
M = love.graphics.newImage("res/img/bone.png"),
X = love.graphics.newImage("res/img/bone.png"),
} or {
R = love.graphics.newImage("res/img/bonew.png"),
O = love.graphics.newImage("res/img/bonew.png"),
Y = love.graphics.newImage("res/img/bonew.png"),
G = love.graphics.newImage("res/img/bonew.png"),
C = love.graphics.newImage("res/img/bonew.png"),
B = love.graphics.newImage("res/img/bonew.png"),
M = love.graphics.newImage("res/img/bonew.png"),
X = love.graphics.newImage("res/img/bonew.png"),
}
end
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function Ruleset:rotatePiece(inputs, piece, grid, prev_inputs, initial)
local new_inputs = {}
for input, value in pairs(inputs) do
if value and not prev_inputs[input] then
new_inputs[input] = true
end
end
self:attemptRotate(new_inputs, piece, grid, initial)
-- prev_inputs becomes the previous inputs
for input, value in pairs(inputs) do
prev_inputs[input] = inputs[input]
end
end
function Ruleset:attemptRotate(new_inputs, piece, grid, initial)
local rot_dir = 0
if (new_inputs["rotate_left"] or new_inputs["rotate_left2"]) then
rot_dir = 3
elseif (new_inputs["rotate_right"] or new_inputs["rotate_right2"]) then
rot_dir = 1
elseif (new_inputs["rotate_180"]) then
rot_dir = self:get180RotationValue()
end
if rot_dir == 0 then return end
if config.gamesettings.world_reverse == 3 or (self.world and config.gamesettings.world_reverse == 2) then
rot_dir = 4 - rot_dir
end
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local new_piece = piece:withRelativeRotation(rot_dir)
if (grid:canPlacePiece(new_piece)) then
piece:setRelativeRotation(rot_dir)
self:onPieceRotate(piece, grid)
else
if not(initial and self.enable_IRS_wallkicks == false) then
self:attemptWallkicks(piece, new_piece, rot_dir, grid)
end
end
end
function Ruleset:attemptWallkicks(piece, new_piece, rot_dir, grid)
-- do nothing in default ruleset
end
function Ruleset:movePiece(piece, grid, move)
local x = piece.position.x
if move == "left" then
piece:moveInGrid({x=-1, y=0}, 1, grid)
elseif move == "speedleft" then
piece:moveInGrid({x=-1, y=0}, 10, grid)
elseif move == "right" then
piece:moveInGrid({x=1, y=0}, 1, grid)
elseif move == "speedright" then
piece:moveInGrid({x=1, y=0}, 10, grid)
end
if piece.position.x ~= x then
self:onPieceMove(piece, grid)
end
end
function Ruleset:dropPiece(
inputs, piece, grid, gravity, drop_speed, drop_locked, hard_drop_locked,
hard_drop_enabled, additive_gravity
)
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local y = piece.position.y
if inputs["down"] == true and drop_locked == false then
if additive_gravity then
piece:addGravity(gravity + drop_speed, grid)
else
piece:addGravity(math.max(gravity, drop_speed), grid)
end
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elseif inputs["up"] == true and hard_drop_enabled == true then
if hard_drop_locked == true or piece:isDropBlocked(grid) then
piece:addGravity(gravity, grid)
else
piece:dropToBottom(grid)
end
else
piece:addGravity(gravity, grid)
end
if piece.position.y ~= y then
self:onPieceDrop(piece, grid)
end
end
function Ruleset:lockPiece(piece, grid, lock_delay)
if piece:isDropBlocked(grid) and piece.gravity >= 1 and piece.lock_delay >= lock_delay then
piece.locked = true
end
end
function Ruleset:get180RotationValue() return 2 end
function Ruleset:getDefaultOrientation() return 1 end
function Ruleset:initializePiece(
inputs, data, grid, gravity, prev_inputs,
move, lock_delay, drop_speed,
drop_locked, hard_drop_locked, big
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)
local spawn_positions
if big then
spawn_positions = self.big_spawn_positions
else
spawn_positions = self.spawn_positions
end
local colours = ({self.colourscheme, ColourSchemes.Arika, ColourSchemes.TTC})[config.gamesettings.piece_colour]
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local piece = Piece(data.shape, data.orientation - 1, {
x = spawn_positions[data.shape].x,
y = spawn_positions[data.shape].y
}, self.block_offsets, 0, 0, data.skin, colours[data.shape], big)
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self:onPieceCreate(piece)
self:rotatePiece(inputs, piece, grid, {}, true)
self:dropPiece(inputs, piece, grid, gravity, drop_speed, drop_locked, hard_drop_locked)
return piece
end
-- stuff like move count, rotate count, floorkick count go here
function Ruleset:onPieceCreate(piece) end
function Ruleset:processPiece(
inputs, piece, grid, gravity, prev_inputs,
move, lock_delay, drop_speed,
drop_locked, hard_drop_locked,
hard_drop_enabled, additive_gravity
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)
self:rotatePiece(inputs, piece, grid, prev_inputs, false)
self:movePiece(piece, grid, move)
self:dropPiece(
inputs, piece, grid, gravity, drop_speed, drop_locked, hard_drop_locked,
hard_drop_enabled, additive_gravity
)
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self:lockPiece(piece, grid, lock_delay)
end
function Ruleset:onPieceMove(piece) end
function Ruleset:onPieceRotate(piece) end
function Ruleset:onPieceDrop(piece) end
return Ruleset