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tetris.rb
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tetris.rb
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# Copyright (c) 2007-2021 Andy Maleh
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
# Tetris App View Custom Shell (represents `tetris` keyword)
require_relative 'tetris/model/game'
require_relative 'tetris/view/playfield'
require_relative 'tetris/view/score_lane'
require_relative 'tetris/view/game_over_dialog'
require_relative 'tetris/view/tetris_menu_bar'
class Tetris
include Glimmer::UI::CustomShell
BLOCK_SIZE = 25
option :playfield_width, default: Model::Game::PLAYFIELD_WIDTH
option :playfield_height, default: Model::Game::PLAYFIELD_HEIGHT
attr_reader :game
before_body {
@mutex = Mutex.new
@game = Model::Game.new(playfield_width, playfield_height)
@game.configure_beeper do
display.beep
end
Display.app_name = 'Glimmer Tetris'
display {
@keyboard_listener = on_swt_keydown { |key_event|
case key_event.keyCode
when swt(:arrow_down)
game.down!
when swt(:arrow_left)
game.left!
when swt(:arrow_right)
game.right!
when swt(:shift)
if key_event.keyLocation == swt(:right) # right shift key
game.rotate!(:right)
elsif key_event.keyLocation == swt(:left) # left shift key
game.rotate!(:left)
end
when 'd'.bytes.first, swt(:arrow_up)
game.rotate!(:right)
when 'a'.bytes.first
game.rotate!(:left)
end
}
}
}
after_body {
@game_over_observer = observe(@game, :game_over) do |game_over|
if game_over
@game_over_dialog = game_over_dialog(parent_shell: body_root, game: @game) if @game_over_dialog.nil? || @game_over_dialog.disposed?
@game_over_dialog.show
else
start_moving_tetrominos_down
end
end
@game.start!
}
body {
shell(:no_resize) {
grid_layout {
num_columns 2
make_columns_equal_width false
margin_width 0
margin_height 0
horizontal_spacing 0
}
text 'Glimmer Tetris'
minimum_size 475, 500
background :gray
tetris_menu_bar(game: game)
playfield(game_playfield: game.playfield, playfield_width: playfield_width, playfield_height: playfield_height, block_size: BLOCK_SIZE)
score_lane(game: game, block_size: BLOCK_SIZE) {
layout_data(:fill, :fill, true, true)
}
on_widget_disposed {
deregister_observers
}
}
}
def start_moving_tetrominos_down
Thread.new do
@mutex.synchronize do
loop do
time = Time.now
sleep @game.delay
break if @game.game_over? || body_root.disposed?
sync_exec {
@game.down! unless @game.paused?
}
end
end
end
end
def deregister_observers
@game_over_observer&.deregister
@game_over_observer = nil
@keyboard_listener&.deregister
@keyboard_listener = nil
end
end
Tetris.launch