Class: RubyShogi::Xboard

Inherits:
Object
  • Object
show all
Defined in:
lib/ruby_shogi/xboard.rb

Instance Method Summary collapse

Constructor Details

#initialize(random_mode = false) ⇒ Xboard

Returns a new instance of Xboard.



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# File 'lib/ruby_shogi/xboard.rb', line 10

def initialize(random_mode = false)
	@random_mode = random_mode
	@engine = RubyShogi::Engine.new(random_mode: random_mode)
	@movestogo_orig = 40
	@forcemode = false
	Signal.trap("SIGPIPE", "SYSTEM_DEFAULT") 
	trap("INT", "IGNORE") # no interruptions
end

Instance Method Details

#cmd_go ⇒ Object 



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# File 'lib/ruby_shogi/xboard.rb', line 54

def cmd_go
	if @canmakemove
		puts "move #{play}"
		@canmakemove = false
	end
end

#cmd_level(level) ⇒ Object 



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# File 'lib/ruby_shogi/xboard.rb', line 49

def cmd_level(level)
	@engine.movestogo = level.to_i
	@movestogo_orig = @engine.movestogo
end

#cmd_move(move) ⇒ Object 



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# File 'lib/ruby_shogi/xboard.rb', line 61

def cmd_move(move)
	#@engine.board.print_board
	update_movestogo # update counter
	if @engine.make_move?(move)
		@canmakemove = true
		if @canmakemove && ! @engine.gameover
			puts "move #{play}"
			@canmakemove = false
		end
	end
end

#cmd_new ⇒ Object 



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# File 'lib/ruby_shogi/xboard.rb', line 44

def cmd_new
	@engine = RubyShogi::Engine.new(random_mode: @random_mode)
	@canmakemove = true
end

#cmd_variant(variant) ⇒ Object 



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# File 'lib/ruby_shogi/xboard.rb', line 40

def cmd_variant(variant)
	@variant = variant
end

#go ⇒ Object 



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# File 'lib/ruby_shogi/xboard.rb', line 73

def go
	puts "#{RubyShogi::NAME} #{RubyShogi::VERSION} by #{RubyShogi::AUTHOR}"
	@movestogo_orig = 40
	@canmakemove = true
	$stdin.each do |cmd|
		cmd.strip!
		case cmd	
		when "xboard" then
		when "hard" then
		when "easy" then
		when "random" then
		when "nopost" then
		when "post" then
		when "white" then
		when "black" then
			# ignore
		when "remove" then @engine.history_remove
		when "undo" then @engine.history_undo
		when "?" then @engine.move_now = true
		when /^computer/ then
		when /^st/ then
		when /^otim/ then
		when /^accepted/ then
		when /^result/ then
			# ignore
		when /^protover/ then print_xboard
		when /^ping\s+(.*)/ then puts "pong #{$1}"
		when /^variant\s+(.*)/ then cmd_variant($1)
		when "new" then cmd_new
		when "list" then @engine.move_list
		when /^level\s+(.+)\s+.*/ then cmd_level($1)
		when /^time\s+(.+)/ then @engine.time = 0.01 * $1.to_i
		when /^setboard\s+(.+)/ then @engine.board.fen($1)
		when "quit" then return
		when "p" then @engine.board.print_board
		when "force" then @forcemode = true
		when "go" then cmd_go
		else # assume move
			cmd_move(cmd)
		end
	end
end

#play ⇒ Object 



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# File 'lib/ruby_shogi/xboard.rb', line 28

def play
	@engine.think 
end

#print_xboard ⇒ Object 



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# File 'lib/ruby_shogi/xboard.rb', line 19

def print_xboard
	rv = @random_mode ? " random" : ""
	puts "feature myname=\"#{RubyShogi::NAME} #{RubyShogi::VERSION}#{rv}\""
	puts "feature variants=\"shogi\""
	puts "feature setboard=1"
	puts "feature ping=1"
	puts "feature done=1"
end

#update_movestogo ⇒ Object 



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# File 'lib/ruby_shogi/xboard.rb', line 32

def update_movestogo
	if @engine.movestogo == 1
		@engine.movestogo =	@movestogo_orig
	elsif @engine.movestogo > 0
		@engine.movestogo -= 1 
	end
end