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#
# Copyright (C) 1996-2001, Thomas Andrews
#
# $Id: giblib.tcl 255 2008-09-15 12:43:02Z thomasoa $
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
source /usr/share/deal/lib/gib.tcl
#
# The giblib implements the ability to read files of the
# format of Matt Ginsberg's 'library.dat' file. The file contains
# deals along with the double dummy results of all possible contracts
# played from all directions.
#
# The date file is the "binary" file described at the bottom
# http://www.cirl.uoregon.edu/ginsberg/gibresearch.html .
#
namespace eval giblib {
::deal::nostacking
variable file "library.dat"
variable trial 0
variable filehandle {}
proc readNextData {} {
variable filehandle
set haveRead 0
set data ""
while {$haveRead<26} {
if {[eof $filehandle]} { return "" }
append data [read $filehandle [expr 26-$haveRead]]
set haveRead [string length $data]
}
return $data
}
set who(00) west
set who(01) north
set who(10) east
set who(11) south
set binary(0000) 0
set binary(0001) 1
set binary(0010) 2
set binary(0011) 3
set binary(0100) 4
set binary(0101) 5
set binary(0110) 6
set binary(0111) 7
set binary(1000) 8
set binary(1001) 9
set binary(1010) 10
set binary(1011) 11
set binary(1100) 12
set binary(1101) 13
set binary(1110) 14
set binary(1111) 15
variable cardNames [list A K Q J T 9 8 7 6 5 4 3 2]
variable trial 1
variable deal
variable suitOrder [list spades hearts diamonds clubs]
proc parseData {data} {
set count [binary scan $data "B32B32B32B32SSSSS" \
cards(spades) cards(hearts) cards(diamonds) cards(clubs) \
tricks(notrump) tricks(spades) tricks(hearts) tricks(diamonds) tricks(clubs) ]
set suitno 0
variable cardNames
variable who
variable suitOrder
set decoded [list]
foreach hand {north east south west} {
foreach suit $suitOrder {
set holding($hand-$suit) ""
}
}
foreach suit $suitOrder {
binary scan $cards($suit) a6a2a2a2a2a2a2a2a2a2a2a2a2a2 dummy c(2) c(3) c(4) c(5) \
c(6) c(7) c(8) c(9) c(T) c(J) c(Q) c(K) c(A)
foreach card $cardNames {
set whom $who($c($card))
append holding($whom-$suit) $card
}
}
reset_deck
foreach hand {north east south west} {
deck_stack_hand $hand $holding($hand-spades) $holding($hand-hearts) \
$holding($hand-diamonds) $holding($hand-clubs)
}
set ddresults [list]
foreach contract "notrump $suitOrder" {
# trick to turning small into unsigned int
set trickvalue [expr {( $tricks($contract) + 0x10000 ) % 0x10000} ]
set results [list $contract]
foreach hand {south west north east} {
set tr [expr {15&$trickvalue}]
::deal::metadata tricks.$hand.$contract {
gib::rectify_tricks $hand $tr
}
set trickvalue [expr {$trickvalue/16}]
}
}
}
proc openlib {} {
variable file
set fh [open $file r]
fconfigure $fh -translation binary
return $fh
}
proc initialize {{filename unset}} {
variable filehandle
variable trial
if {"$filehandle"!=""} { finalize }
if {"$filename"!="unset"} {
variable file
set file $filename
}
set filehandle [openlib]
set trial 0
}
proc get_next_deal {} {
variable trial
set data [readNextData]
if {[string length $data]!=26} {
return 0
}
parseData $data
incr trial
}
proc finalize {} {
variable filehandle
if {"$filehandle"!=""} {
close $filehandle
set filehandle {}
}
}
proc stackhand {name hand} {
error "Can't stack hands when reading deals from files"
}
proc stackcards {name args} {
error "Can't stack cards when reading deals from files"
}
namespace export get_next_deal initialize finalize
proc set_input {{filename {}}} {
variable file
if {$filename==""} {
set filename $file
}
initialize $filename
deal_reset_cmds ::giblib::next
}
proc next {} {
deal_reset_cmds ::giblib::next
if {[catch {giblib::get_next_deal}]} {
# All done
return -code return
}
}
}
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