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GNU GENERAL PUBLIC LICENSE
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Version 3, 29 June 2007
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Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
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Everyone is permitted to copy and distribute verbatim copies
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Preamble
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|
||||
to receive a copy likewise does not require acceptance. However,
|
||||
nothing other than this License grants you permission to propagate or
|
||||
modify any covered work. These actions infringe copyright if you do
|
||||
not accept this License. Therefore, by modifying or propagating a
|
||||
covered work, you indicate your acceptance of this License to do so.
|
||||
|
||||
10. Automatic Licensing of Downstream Recipients.
|
||||
|
||||
Each time you convey a covered work, the recipient automatically
|
||||
receives a license from the original licensors, to run, modify and
|
||||
propagate that work, subject to this License. You are not responsible
|
||||
for enforcing compliance by third parties with this License.
|
||||
|
||||
An "entity transaction" is a transaction transferring control of an
|
||||
organization, or substantially all assets of one, or subdividing an
|
||||
organization, or merging organizations. If propagation of a covered
|
||||
work results from an entity transaction, each party to that
|
||||
transaction who receives a copy of the work also receives whatever
|
||||
licenses to the work the party's predecessor in interest had or could
|
||||
give under the previous paragraph, plus a right to possession of the
|
||||
Corresponding Source of the work from the predecessor in interest, if
|
||||
the predecessor has it or can get it with reasonable efforts.
|
||||
|
||||
You may not impose any further restrictions on the exercise of the
|
||||
rights granted or affirmed under this License. For example, you may
|
||||
not impose a license fee, royalty, or other charge for exercise of
|
||||
rights granted under this License, and you may not initiate litigation
|
||||
(including a cross-claim or counterclaim in a lawsuit) alleging that
|
||||
any patent claim is infringed by making, using, selling, offering for
|
||||
sale, or importing the Program or any portion of it.
|
||||
|
||||
11. Patents.
|
||||
|
||||
A "contributor" is a copyright holder who authorizes use under this
|
||||
License of the Program or a work on which the Program is based. The
|
||||
work thus licensed is called the contributor's "contributor version".
|
||||
|
||||
A contributor's "essential patent claims" are all patent claims
|
||||
owned or controlled by the contributor, whether already acquired or
|
||||
hereafter acquired, that would be infringed by some manner, permitted
|
||||
by this License, of making, using, or selling its contributor version,
|
||||
but do not include claims that would be infringed only as a
|
||||
consequence of further modification of the contributor version. For
|
||||
purposes of this definition, "control" includes the right to grant
|
||||
patent sublicenses in a manner consistent with the requirements of
|
||||
this License.
|
||||
|
||||
Each contributor grants you a non-exclusive, worldwide, royalty-free
|
||||
patent license under the contributor's essential patent claims, to
|
||||
make, use, sell, offer for sale, import and otherwise run, modify and
|
||||
propagate the contents of its contributor version.
|
||||
|
||||
In the following three paragraphs, a "patent license" is any express
|
||||
agreement or commitment, however denominated, not to enforce a patent
|
||||
(such as an express permission to practice a patent or covenant not to
|
||||
sue for patent infringement). To "grant" such a patent license to a
|
||||
party means to make such an agreement or commitment not to enforce a
|
||||
patent against the party.
|
||||
|
||||
If you convey a covered work, knowingly relying on a patent license,
|
||||
and the Corresponding Source of the work is not available for anyone
|
||||
to copy, free of charge and under the terms of this License, through a
|
||||
publicly available network server or other readily accessible means,
|
||||
then you must either (1) cause the Corresponding Source to be so
|
||||
available, or (2) arrange to deprive yourself of the benefit of the
|
||||
patent license for this particular work, or (3) arrange, in a manner
|
||||
consistent with the requirements of this License, to extend the patent
|
||||
license to downstream recipients. "Knowingly relying" means you have
|
||||
actual knowledge that, but for the patent license, your conveying the
|
||||
covered work in a country, or your recipient's use of the covered work
|
||||
in a country, would infringe one or more identifiable patents in that
|
||||
country that you have reason to believe are valid.
|
||||
|
||||
If, pursuant to or in connection with a single transaction or
|
||||
arrangement, you convey, or propagate by procuring conveyance of, a
|
||||
covered work, and grant a patent license to some of the parties
|
||||
receiving the covered work authorizing them to use, propagate, modify
|
||||
or convey a specific copy of the covered work, then the patent license
|
||||
you grant is automatically extended to all recipients of the covered
|
||||
work and works based on it.
|
||||
|
||||
A patent license is "discriminatory" if it does not include within
|
||||
the scope of its coverage, prohibits the exercise of, or is
|
||||
conditioned on the non-exercise of one or more of the rights that are
|
||||
specifically granted under this License. You may not convey a covered
|
||||
work if you are a party to an arrangement with a third party that is
|
||||
in the business of distributing software, under which you make payment
|
||||
to the third party based on the extent of your activity of conveying
|
||||
the work, and under which the third party grants, to any of the
|
||||
parties who would receive the covered work from you, a discriminatory
|
||||
patent license (a) in connection with copies of the covered work
|
||||
conveyed by you (or copies made from those copies), or (b) primarily
|
||||
for and in connection with specific products or compilations that
|
||||
contain the covered work, unless you entered into that arrangement,
|
||||
or that patent license was granted, prior to 28 March 2007.
|
||||
|
||||
Nothing in this License shall be construed as excluding or limiting
|
||||
any implied license or other defenses to infringement that may
|
||||
otherwise be available to you under applicable patent law.
|
||||
|
||||
12. No Surrender of Others' Freedom.
|
||||
|
||||
If conditions are imposed on you (whether by court order, agreement or
|
||||
otherwise) that contradict the conditions of this License, they do not
|
||||
excuse you from the conditions of this License. If you cannot convey a
|
||||
covered work so as to satisfy simultaneously your obligations under this
|
||||
License and any other pertinent obligations, then as a consequence you may
|
||||
not convey it at all. For example, if you agree to terms that obligate you
|
||||
to collect a royalty for further conveying from those to whom you convey
|
||||
the Program, the only way you could satisfy both those terms and this
|
||||
License would be to refrain entirely from conveying the Program.
|
||||
|
||||
13. Use with the GNU Affero General Public License.
|
||||
|
||||
Notwithstanding any other provision of this License, you have
|
||||
permission to link or combine any covered work with a work licensed
|
||||
under version 3 of the GNU Affero General Public License into a single
|
||||
combined work, and to convey the resulting work. The terms of this
|
||||
License will continue to apply to the part which is the covered work,
|
||||
but the special requirements of the GNU Affero General Public License,
|
||||
section 13, concerning interaction through a network will apply to the
|
||||
combination as such.
|
||||
|
||||
14. Revised Versions of this License.
|
||||
|
||||
The Free Software Foundation may publish revised and/or new versions of
|
||||
the GNU General Public License from time to time. Such new versions will
|
||||
be similar in spirit to the present version, but may differ in detail to
|
||||
address new problems or concerns.
|
||||
|
||||
Each version is given a distinguishing version number. If the
|
||||
Program specifies that a certain numbered version of the GNU General
|
||||
Public License "or any later version" applies to it, you have the
|
||||
option of following the terms and conditions either of that numbered
|
||||
version or of any later version published by the Free Software
|
||||
Foundation. If the Program does not specify a version number of the
|
||||
GNU General Public License, you may choose any version ever published
|
||||
by the Free Software Foundation.
|
||||
|
||||
If the Program specifies that a proxy can decide which future
|
||||
versions of the GNU General Public License can be used, that proxy's
|
||||
public statement of acceptance of a version permanently authorizes you
|
||||
to choose that version for the Program.
|
||||
|
||||
Later license versions may give you additional or different
|
||||
permissions. However, no additional obligations are imposed on any
|
||||
author or copyright holder as a result of your choosing to follow a
|
||||
later version.
|
||||
|
||||
15. Disclaimer of Warranty.
|
||||
|
||||
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
|
||||
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
|
||||
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
|
||||
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
|
||||
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
|
||||
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
|
||||
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
|
||||
|
||||
16. Limitation of Liability.
|
||||
|
||||
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
|
||||
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
|
||||
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
|
||||
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
|
||||
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
|
||||
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
|
||||
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
|
||||
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
|
||||
SUCH DAMAGES.
|
||||
|
||||
17. Interpretation of Sections 15 and 16.
|
||||
|
||||
If the disclaimer of warranty and limitation of liability provided
|
||||
above cannot be given local legal effect according to their terms,
|
||||
reviewing courts shall apply local law that most closely approximates
|
||||
an absolute waiver of all civil liability in connection with the
|
||||
Program, unless a warranty or assumption of liability accompanies a
|
||||
copy of the Program in return for a fee.
|
||||
|
||||
END OF TERMS AND CONDITIONS
|
||||
|
||||
How to Apply These Terms to Your New Programs
|
||||
|
||||
If you develop a new program, and you want it to be of the greatest
|
||||
possible use to the public, the best way to achieve this is to make it
|
||||
free software which everyone can redistribute and change under these terms.
|
||||
|
||||
To do so, attach the following notices to the program. It is safest
|
||||
to attach them to the start of each source file to most effectively
|
||||
state the exclusion of warranty; and each file should have at least
|
||||
the "copyright" line and a pointer to where the full notice is found.
|
||||
|
||||
<one line to give the program's name and a brief idea of what it does.>
|
||||
Copyright (C) <year> <name of author>
|
||||
|
||||
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 3 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, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
Also add information on how to contact you by electronic and paper mail.
|
||||
|
||||
If the program does terminal interaction, make it output a short
|
||||
notice like this when it starts in an interactive mode:
|
||||
|
||||
<program> Copyright (C) <year> <name of author>
|
||||
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
|
||||
This is free software, and you are welcome to redistribute it
|
||||
under certain conditions; type `show c' for details.
|
||||
|
||||
The hypothetical commands `show w' and `show c' should show the appropriate
|
||||
parts of the General Public License. Of course, your program's commands
|
||||
might be different; for a GUI interface, you would use an "about box".
|
||||
|
||||
You should also get your employer (if you work as a programmer) or school,
|
||||
if any, to sign a "copyright disclaimer" for the program, if necessary.
|
||||
For more information on this, and how to apply and follow the GNU GPL, see
|
||||
<http://www.gnu.org/licenses/>.
|
||||
|
||||
The GNU General Public License does not permit incorporating your program
|
||||
into proprietary programs. If your program is a subroutine library, you
|
||||
may consider it more useful to permit linking proprietary applications with
|
||||
the library. If this is what you want to do, use the GNU Lesser General
|
||||
Public License instead of this License. But first, please read
|
||||
<http://www.gnu.org/philosophy/why-not-lgpl.html>.
|
|
@ -0,0 +1,802 @@
|
|||
#!/bin/bash
|
||||
|
||||
# Bashtris v1.0 (July 26, 2012), a puzzle game for the command line.
|
||||
# Copyright (C) 2012 Daniel Suni
|
||||
#
|
||||
# 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 3 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, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
# Define some constants:
|
||||
# Define arrow keys
|
||||
declare -r UPARROW=$'\x1b[A'
|
||||
declare -r DOWNARROW=$'\x1b[B'
|
||||
declare -r LEFTARROW=$'\x1b[D'
|
||||
declare -r RIGHTARROW=$'\x1b[C'
|
||||
|
||||
# Color codes (pre-escaped strings, so they can be fed directly to sed)
|
||||
declare -r BLACK='\\E\[37;40m'
|
||||
declare -r RED='\\E\[0;41m'
|
||||
declare -r GREEN='\\E\[0;42m'
|
||||
declare -r BROWN='\\E\[0;43m'
|
||||
declare -r BLUE='\\E\[0;44m'
|
||||
declare -r LILAC='\\E\[0;45m'
|
||||
declare -r CYAN='\\E\[0;46m'
|
||||
declare -r GREY='\\E\[0;47m'
|
||||
declare -r WHITE='\\E\[0;48m'
|
||||
|
||||
# Game setting related constants
|
||||
declare -r GRAPHICS="st_basil_cathedral.txt"
|
||||
declare -r MUSIC="korobeiniki.sh"
|
||||
declare -r HISCORE="hiscore.txt"
|
||||
declare -r INITIAL_DROP_TIME=500000000 # Initial pause between block drops (in nanoseconds)
|
||||
declare -r LEVEL_DROP_TIME_REDUCE=25000000 # How much the pause should be reduced with each level up.
|
||||
declare -r MIN_DROP_SPEED=10000000 # Minimum pause between block drops
|
||||
declare -r MIN_X=29 # X-coordinate of the left side of the playing field
|
||||
declare -r GRAPHICS_LINES_MIN=22 # Minimum number of terminal lines on which the game is playable.
|
||||
declare -r MAX_LEVEL=20 # Maximum level
|
||||
declare -r LEVEL_UP_ROWS=10 # Level up after this many rows have been cleared.
|
||||
declare -r SCORE_Y=2 # Y-coordinate of position where score is to be printed
|
||||
declare -r SCORE_X=10 # X-coordinate of the same
|
||||
declare -r LEVEL_Y=4 # Y-coordinate of position where current level is to be printed
|
||||
declare -r LEVEL_X=10
|
||||
declare -r NEXT_Y=4 # Y-coordinate of position where the next block is shown
|
||||
declare -r NEXT_X=63
|
||||
|
||||
# Initialize various variables:
|
||||
|
||||
# Variable containing the playing field. "W" = wall " " = empty,
|
||||
# [IJLOSTZ] = square belonging to block of corresponding shape,
|
||||
# "A" = active (i.e. falling) block.
|
||||
field="W W
|
||||
W W
|
||||
W W
|
||||
W W
|
||||
W W
|
||||
W W
|
||||
W W
|
||||
W W
|
||||
W W
|
||||
W W
|
||||
W W
|
||||
W W
|
||||
W W
|
||||
W W
|
||||
W W
|
||||
W W
|
||||
W W
|
||||
W W
|
||||
W W
|
||||
W W
|
||||
WWWWWWWWWWWW"
|
||||
|
||||
level=0 # Current level
|
||||
rows_removed_in_level=0 # Number of rows removed since last level-up
|
||||
# Coordinates of the 4 x 4 "megablock" which can hold any of the actual
|
||||
# blocks regardless of their rotation.
|
||||
x=0
|
||||
y=0
|
||||
|
||||
pieces="IJLOSTZ" # Possible pieces
|
||||
next_piece="${pieces:$(($RANDOM % 7)):1}"
|
||||
current_piece=''
|
||||
current_color=''
|
||||
current_rotation=0 # Values 0-3 for 4 possible orientations.
|
||||
score=0
|
||||
# When exiting this is used to check if the process was killed (e.g. Ctrl-C) or not.
|
||||
killed=false
|
||||
|
||||
# $1 == Line to start redrawing from. $2 == Number of lines to redraw.
|
||||
# No parameters given == Redraw everything
|
||||
function redraw {
|
||||
# Each square is physically represented by a block 1 char high, and 2 chars wide.
|
||||
# Add the color coding to the lines to be redrawn. Use "s" instead of " " here to
|
||||
# avoid parameter clipping by the for loop. (Replace with " " on echo.)
|
||||
if [ -z $2 ] ; then
|
||||
lines=`echo "$field" | head -n -1 | sed "s/W/|/g;s/A/$current_color $WHITE/g;s/O/$BLUE $WHITE/g;s/I/$RED $WHITE/g;s/ /s/g;s/S/$GREEN $WHITE/g;s/ /s/g;s/Z/$CYAN $WHITE/g;s/ /s/g;s/L/$LILAC $WHITE/g;s/ /s/g;s/J/$BROWN $WHITE/g;s/ /s/g;s/T/$GREY $WHITE/g;s/ /s/g"`
|
||||
current_y=0
|
||||
else
|
||||
lines=`echo "$field" | sed -n ${1},$(($1 + $2))p | sed "s/WWWWWWWWWWWW/+--------------------+/;s/W/|/g;s/A/$current_color $WHITE/g;s/O/$BLUE $WHITE/g;s/I/$RED $WHITE/g;s/ /s/g;s/S/$GREEN $WHITE/g;s/ /s/g;s/Z/$CYAN $WHITE/g;s/ /s/g;s/L/$LILAC $WHITE/g;s/ /s/g;s/J/$BROWN $WHITE/g;s/ /s/g;s/T/$GREY $WHITE/g;s/ /s/g"`
|
||||
current_y=$(($1 - 1)) # Subtract 1, because tput starts counting lines from 0, but sed from 1.
|
||||
fi
|
||||
for line in $lines ; do
|
||||
tput cup $current_y $MIN_X
|
||||
echo -ne "$line" | sed 's/s/ /g'
|
||||
((++current_y))
|
||||
done
|
||||
}
|
||||
|
||||
# Returns 0 (true) if collision detected
|
||||
function detect_collision {
|
||||
# Maps the coordinates of the individual squares of the active block to substrings
|
||||
# in the "field" variable and greps them for collisions with walls & other blocks.
|
||||
echo "${field:$((13 * ($y_1 - 1) + $x_1 - 1)):1}${field:$((13 * ($y_2 - 1) + $x_2 - 1)):1}${field:$((13 * ($y_3 - 1) + $x_3 - 1)):1}${field:$((13 * ($y_4 - 1) + $x_4 - 1)):1}" | grep -q [IJLOSTWZ]
|
||||
return $?
|
||||
}
|
||||
|
||||
# If the block can't be rotated due to wall proximity, we try to move it sideways
|
||||
# and see if it can be rotated that way. Returns 0 upon success, 1 upon failure.
|
||||
function wall_kick {
|
||||
# Try kicking right
|
||||
((++x_1))
|
||||
((++x_2))
|
||||
((++x_3))
|
||||
((++x_4))
|
||||
if ! detect_collision ; then
|
||||
((++x))
|
||||
return 0
|
||||
fi
|
||||
# Try kicking left
|
||||
((x_1-=2))
|
||||
((x_2-=2))
|
||||
((x_3-=2))
|
||||
((x_4-=2))
|
||||
if ! detect_collision ; then
|
||||
((--x))
|
||||
return 0
|
||||
fi
|
||||
# If it's an "I" block, try kicking more left
|
||||
if [ "$current_piece" == "I" ] ; then
|
||||
((--x_1))
|
||||
((--x_2))
|
||||
((--x_3))
|
||||
((--x_4))
|
||||
if ! detect_collision ; then
|
||||
((x-=2))
|
||||
return 0
|
||||
fi
|
||||
fi
|
||||
# Wall kick failed
|
||||
return 1
|
||||
}
|
||||
|
||||
function rotate {
|
||||
case $current_piece in
|
||||
O) # O-pieces don't rotate.
|
||||
return
|
||||
;;
|
||||
I|S|Z) # These pieces have 2 rotational positions.
|
||||
# Try rotating and see if there are collisions.
|
||||
if [ $current_rotation -eq 0 ] ; then
|
||||
current_rotation=1
|
||||
else
|
||||
current_rotation=0
|
||||
fi
|
||||
calculate_square_coordinates
|
||||
if detect_collision ; then
|
||||
# If a collision is detected, see if we can still rotate with a wall kick.
|
||||
if ! wall_kick ; then
|
||||
# Collision detected, wall kick failed. Revert rotation.
|
||||
if [ $current_rotation -eq 0 ] ; then
|
||||
current_rotation=1
|
||||
else
|
||||
current_rotation=0
|
||||
fi
|
||||
return
|
||||
fi
|
||||
fi
|
||||
;;
|
||||
L|J|T) # These pieces have 4 rotational positions.
|
||||
((++current_rotation))
|
||||
if [ $current_rotation -gt 3 ] ; then
|
||||
current_rotation=0
|
||||
fi
|
||||
calculate_square_coordinates
|
||||
if detect_collision ; then
|
||||
if ! wall_kick ; then
|
||||
((--current_rotation))
|
||||
if [ $current_rotation -lt 0 ] ; then
|
||||
current_rotation=3
|
||||
fi
|
||||
return
|
||||
fi
|
||||
fi
|
||||
;;
|
||||
esac
|
||||
recalculate_field
|
||||
case $current_piece in
|
||||
I)
|
||||
redraw $y 4
|
||||
;;
|
||||
*)
|
||||
redraw $y 3
|
||||
;;
|
||||
esac
|
||||
}
|
||||
|
||||
function moveleft {
|
||||
# Check if an "A" anywhere is preceded by another letter. If any are found,
|
||||
# it means the block can not be moved left, and we do nothing.
|
||||
if ! echo "$field" | grep -q [IJLOSTWZ]A ; then
|
||||
((--x))
|
||||
# Replaces the first instance of " A", with "A", and the last instance of "A"
|
||||
# with "A ", effectively moving the block one step left.
|
||||
field=`echo "$field" | sed 's/ A/A/;s/\(.*\)A/\1A /'`
|
||||
redraw $y $span
|
||||
fi
|
||||
}
|
||||
|
||||
function moveright {
|
||||
if ! echo "$field" | grep -q A[IJLOSTWZ] ; then
|
||||
((++x))
|
||||
field=`echo "$field" | sed 's/A /A/;s/A/ A/'`
|
||||
redraw $y $span
|
||||
fi
|
||||
}
|
||||
|
||||
# Drops the active block as far as it can go.
|
||||
function drop {
|
||||
rows=0
|
||||
filler="..........."
|
||||
# Check how far it can go. (By adding 12 dots every time we add 1 row, since the
|
||||
# field has rows of 10 squares + 1 wall on each side and dots match any character.)
|
||||
until echo "$field" | tr -d "\n" | grep -q A$filler[IJLOSTWZ] ; do
|
||||
((++rows))
|
||||
filler="${filler}............"
|
||||
done
|
||||
((y+=$rows))
|
||||
calculate_square_coordinates
|
||||
recalculate_field
|
||||
field=`echo "$field" | sed "s/A/$current_piece/g"` # Lock the piece in place
|
||||
remove_completed_rows
|
||||
nextblock
|
||||
set_nextdrop
|
||||
}
|
||||
|
||||
# Drops the block one step.
|
||||
function dropone {
|
||||
if ! echo "$field" | tr -d "\n" | grep -q A...........[IJLOSTWZ] ; then
|
||||
((++y))
|
||||
calculate_square_coordinates
|
||||
recalculate_field
|
||||
redraw $(($y - 1)) $(($span + 1))
|
||||
else
|
||||
# The block can't fall any further. Lock it in place.
|
||||
field=`echo "$field" | sed "s/A/$current_piece/g"`
|
||||
remove_completed_rows
|
||||
nextblock
|
||||
fi
|
||||
set_nextdrop
|
||||
}
|
||||
|
||||
function recalculate_field {
|
||||
# First remove all active squares ("A"), then re-insert them in the new position.
|
||||
# ${y}s/./A/${x} replaces the xth character on the yth row. (Dots match any char.)
|
||||
field=`echo "$field" | sed "s/A/ /g;${y_1}s/./A/${x_1};${y_2}s/./A/${x_2};${y_3}s/./A/${x_3};${y_4}s/./A/${x_4}"`
|
||||
}
|
||||
|
||||
# Calculate the new coordinates for each of the 4 squares occupied by the falling block,
|
||||
# based on the coordinates of the 4x4 "superblock", the block's shape & orientation.
|
||||
function calculate_square_coordinates {
|
||||
case $current_piece in
|
||||
O)
|
||||
x_1=$(($x + 1)) # |-- (x,y)
|
||||
y_1=$y # v
|
||||
x_2=$(($x + 2)) # .##.
|
||||
y_2=$y # .##.
|
||||
x_3=$x_1 # ....
|
||||
y_3=$(($y + 1)) # ....
|
||||
x_4=$x_2
|
||||
y_4=$y_3
|
||||
span=2 # Number of vertical rows this orientation spans from the top.
|
||||
;;
|
||||
I)
|
||||
case $current_rotation in
|
||||
0)
|
||||
x_1=$x
|
||||
y_1=$(($y + 1))
|
||||
x_2=$(($x + 1)) # ....
|
||||
y_2=$y_1 # ####
|
||||
x_3=$(($x + 2)) # ....
|
||||
y_3=$y_1 # ....
|
||||
x_4=$(($x + 3))
|
||||
y_4=$y_1
|
||||
span=2 # 2 not 1, because it occupies the second row from the top.
|
||||
;;
|
||||
1)
|
||||
x_1=$(($x + 1))
|
||||
y_1=$y
|
||||
x_2=$x_1 # .#..
|
||||
y_2=$(($y + 1)) # .#..
|
||||
x_3=$x_1 # .#..
|
||||
y_3=$(($y + 2)) # .#..
|
||||
x_4=$x_1
|
||||
y_4=$(($y + 3))
|
||||
span=4
|
||||
;;
|
||||
esac
|
||||
;;
|
||||
S)
|
||||
case $current_rotation in
|
||||
0)
|
||||
x_1=$(($x + 1))
|
||||
y_1=$y
|
||||
x_2=$(($x + 2)) # .##.
|
||||
y_2=$y # ##..
|
||||
x_3=$x # ....
|
||||
y_3=$(($y + 1)) # ....
|
||||
x_4=$x_1
|
||||
y_4=$y_3
|
||||
span=2
|
||||
;;
|
||||
1)
|
||||
x_1=$(($x + 1))
|
||||
y_1=$y
|
||||
x_2=$x_1 # .#..
|
||||
y_2=$(($y + 1)) # .##.
|
||||
x_3=$(($x + 2)) # ..#.
|
||||
y_3=$y_2 # ....
|
||||
x_4=$x_3
|
||||
y_4=$(($y + 2))
|
||||
span=3
|
||||
;;
|
||||
esac
|
||||
;;
|
||||
Z)
|
||||
case $current_rotation in
|
||||
0)
|
||||
x_1=$x
|
||||
y_1=$y
|
||||
x_2=$(($x + 1)) # ##..
|
||||
y_2=$y # .##.
|
||||
x_3=$x_2 # ....
|
||||
y_3=$(($y + 1)) # ....
|
||||
x_4=$(($x + 2))
|
||||
y_4=$y_3
|
||||
span=2
|
||||
;;
|
||||
1)
|
||||
x_1=$(($x + 2))
|
||||
y_1=$y
|
||||
x_2=$x_1 # ..#.
|
||||
y_2=$(($y + 1)) # .##.
|
||||
x_3=$(($x + 1)) # .#..
|
||||
y_3=$y_2 # ....
|
||||
x_4=$x_3
|
||||
y_4=$(($y + 2))
|
||||
span=3
|
||||
;;
|
||||
esac
|
||||
;;
|
||||
L)
|
||||
case $current_rotation in
|
||||
0)
|
||||
x_1=$(($x + 2))
|
||||
y_1=$y
|
||||
x_2=$x_1 # ..#.
|
||||
y_2=$(($y + 1)) # ###.
|
||||
x_3=$(($x + 1)) # ....
|
||||
y_3=$y_2 # ....
|
||||
x_4=$x
|
||||
y_4=$y_2
|
||||
span=2
|
||||
;;
|
||||
1)
|
||||
x_1=$(($x + 1))
|
||||
y_1=$y
|
||||
x_2=$x_1 # .#..
|
||||
y_2=$(($y + 1)) # .#..
|
||||
x_3=$x_1 # .##.
|
||||
y_3=$(($y + 2)) # ....
|
||||
x_4=$(($x + 2))
|
||||
y_4=$y_3
|
||||
span=3
|
||||
;;
|
||||
2)
|
||||
x_1=$x
|
||||
y_1=$y
|
||||
x_2=$(($x + 1)) # ###.
|
||||
y_2=$y # #...
|
||||
x_3=$(($x + 2)) # ....
|
||||
y_3=$y # ....
|
||||
x_4=$x
|
||||
y_4=$(($y + 1))
|
||||
span=2
|
||||
;;
|
||||
3)
|
||||
x_1=$(($x + 1))
|
||||
y_1=$y
|
||||
x_2=$(($x + 2)) # .##.
|
||||
y_2=$y # ..#.
|
||||
x_3=$x_2 # ..#.
|
||||
y_3=$(($y + 1)) # ....
|
||||
x_4=$x_2
|
||||
y_4=$(($y + 2))
|
||||
span=3
|
||||
;;
|
||||
esac
|
||||
;;
|
||||
J)
|
||||
case $current_rotation in
|
||||
0)
|
||||
x_1=$x
|
||||
y_1=$y
|
||||
x_2=$x # #...
|
||||
y_2=$(($y + 1)) # ###.
|
||||
x_3=$(($x + 1)) # ....
|
||||
y_3=$y_2 # ....
|
||||
x_4=$(($x + 2))
|
||||
y_4=$y_2
|
||||
span=2
|
||||
;;
|
||||
1)
|
||||
x_1=$(($x + 1))
|
||||
y_1=$y
|
||||
x_2=$x_1 # .##.
|
||||
y_2=$(($y + 1)) # .#..
|
||||
x_3=$x_1 # .#..
|
||||
y_3=$(($y + 2)) # ....
|
||||
x_4=$(($x + 2))
|
||||
y_4=$y
|
||||
span=3
|
||||
;;
|
||||
2)
|
||||
x_1=$x
|
||||
y_1=$y
|
||||
x_2=$(($x + 1)) # ###.
|
||||
y_2=$y # ..#.
|
||||
x_3=$(($x + 2)) # ....
|
||||
y_3=$y # ....
|
||||
x_4=$x_3
|
||||
y_4=$(($y + 1))
|
||||
span=2
|
||||
;;
|
||||
3)
|
||||
x_1=$(($x + 1))
|
||||
y_1=$(($y + 2))
|
||||
x_2=$(($x + 2)) # ..#.
|
||||
y_2=$y # ..#.
|
||||
x_3=$x_2 # .##.
|
||||
y_3=$(($y + 1)) # ....
|
||||
x_4=$x_2
|
||||
y_4=$y_1
|
||||
span=3
|
||||
;;
|
||||
esac
|
||||
;;
|
||||
T)
|
||||
case $current_rotation in
|
||||
0)
|
||||
x_1=$x
|
||||
y_1=$y
|
||||
x_2=$(($x + 1)) # ###.
|
||||
y_2=$y # .#..
|
||||
x_3=$(($x + 2)) # ....
|
||||
y_3=$y # ....
|
||||
x_4=$x_2
|
||||
y_4=$(($y + 1))
|
||||
span=2
|
||||
;;
|
||||
1)
|
||||
x_1=$(($x + 2))
|
||||
y_1=$y
|
||||
x_2=$x_1 # ..#.
|
||||
y_2=$(($y + 1)) # .##.
|
||||
x_3=$(($x + 1)) # ..#.
|
||||
y_3=$y_2 # ....
|
||||
x_4=$x_1
|
||||
y_4=$(($y + 2))
|
||||
span=3
|
||||
;;
|
||||
2)
|
||||
x_1=$(($x + 1))
|
||||
y_1=$y
|
||||
x_2=$x # .#..
|
||||
y_2=$(($y + 1)) # ###.
|
||||
x_3=$x_1 # ....
|
||||
y_3=$y_2 # ....
|
||||
x_4=$(($x + 2))
|
||||
y_4=$y_2
|
||||
span=2
|
||||
;;
|
||||
3)
|
||||
x_1=$(($x + 1))
|
||||
y_1=$y
|
||||
x_2=$x_1 # .#..
|
||||
y_2=$(($y + 1)) # .##.
|
||||
x_3=$x_1 # .#..
|
||||
y_3=$(($y + 2)) # ....
|
||||
x_4=$(($x + 2))
|
||||
y_4=$y_2
|
||||
span=3
|
||||
;;
|
||||
esac
|
||||
;;
|
||||
esac
|
||||
}
|
||||
|
||||
function remove_completed_rows {
|
||||
# Completed lines are the lines that don't contain spaces, with the exception of the last
|
||||
# line, which is always "WWWWWWWWWWWW". (The "bottom wall".) We count them before removal
|
||||
# so that the score can be appropriately updated.
|
||||
matches=`echo "$field" | head -n -1 | grep -vc " "`
|
||||
# Remove the rows replacing them by adding empty lines at the top.
|
||||
field=`yes "W W" | head -n $matches && echo "$field" | grep -e " " -e "WW"`
|
||||
update_score $matches
|
||||
}
|
||||
|
||||
# $1 = Number of removed rows.
|
||||
function update_score {
|
||||
case $1 in
|
||||
1)
|
||||
((score+=$((40 * ($level + 1)))))
|
||||
;;
|
||||
2)
|
||||
((score+=$((100 * ($level + 1)))))
|
||||
;;
|
||||
3)
|
||||
((score+=$((300 * ($level + 1)))))
|
||||
;;
|
||||
4)
|
||||
((score+=$((1200 * ($level + 1)))))
|
||||
;;
|
||||
esac
|
||||
((rows_removed_in_level+=$1))
|
||||
tput cup $SCORE_Y $SCORE_X
|
||||
echo "$score"
|
||||
# Is it time for a level up?
|
||||
if [ $rows_removed_in_level -ge $LEVEL_UP_ROWS -a $level -lt $MAX_LEVEL ] ; then
|
||||
((++level))
|
||||
((rows_removed_in_level-=$LEVEL_UP_ROWS))
|
||||
tput cup $LEVEL_Y $LEVEL_X
|
||||
echo $level
|
||||
set_timeout # Update the block drop timeout to match the new level
|
||||
fi
|
||||
}
|
||||
|
||||
function set_color {
|
||||
case $1 in
|
||||
O)
|
||||
current_color=$BLUE
|
||||
;;
|
||||
I)
|
||||
current_color=$RED
|
||||
;;
|
||||
S)
|
||||
current_color=$GREEN
|
||||
;;
|
||||
Z)
|
||||
current_color=$CYAN
|
||||
;;
|
||||
L)
|
||||
current_color=$LILAC
|
||||
;;
|
||||
J)
|
||||
current_color=$BROWN
|
||||
;;
|
||||
T)
|
||||
current_color=$GREY
|
||||
;;
|
||||
esac
|
||||
}
|
||||
|
||||
# B = Block, S = Space
|
||||
function printnext {
|
||||
case $1 in
|
||||
O)
|
||||
echo -en "SBBS\nSBBS"
|
||||
;;
|
||||
I)
|
||||
echo -en "SSSS\nBBBB"
|
||||
;;
|
||||
S)
|
||||
echo -en "SBBS\nBBSS"
|
||||
;;
|
||||
Z)
|
||||
echo -en "BBSS\nSBBS"
|
||||
;;
|
||||
L)
|
||||
echo -en "SSBS\nBBBS"
|
||||
;;
|
||||
J)
|
||||
echo -en "BSSS\nBBBS"
|
||||
;;
|
||||
T)
|
||||
echo -en "SBSS\nBBBS"
|
||||
;;
|
||||
esac
|
||||
}
|
||||
|
||||
function nextblock {
|
||||
current_rotation=0
|
||||
current_piece=$next_piece
|
||||
next_piece="${pieces:$(($RANDOM % 7)):1}"
|
||||
# Display next piece
|
||||
set_color $next_piece
|
||||
count=0
|
||||
for line in `printnext $next_piece` ; do
|
||||
line=`echo "$line" | sed "s/B/$current_color $WHITE/g;s/S/ /g"`
|
||||
tput cup $(($NEXT_Y + $count)) $NEXT_X
|
||||
echo -ne "$line"
|
||||
((++count))
|
||||
done
|
||||
y=1
|
||||
x=5
|
||||
calculate_square_coordinates
|
||||
if detect_collision ; then
|
||||
# Oops. The inserted block instantly collided with one already in place.
|
||||
game_over
|
||||
fi
|
||||
recalculate_field
|
||||
set_color $current_piece
|
||||
redraw
|
||||
}
|
||||
|
||||
# Sets the block drop timeout according to the current level.
|
||||
function set_timeout {
|
||||
timeout_nanos=$(($INITIAL_DROP_TIME - $LEVEL_DROP_TIME_REDUCE * $level))
|
||||
if [ $timeout_nanos -lt $MIN_DROP_SPEED ] ; then
|
||||
timeout_nanos=$MIN_DROP_SPEED
|
||||
fi
|
||||
}
|
||||
|
||||
# Schedules the time when the active block will fall one line further.
|
||||
function set_nextdrop {
|
||||
nextdrop=$((`date +%s%N` + $timeout_nanos))
|
||||
}
|
||||
|
||||
function new_hiscore {
|
||||
echo "You have a new hiscore. Please enter your name."
|
||||
# We don't want to read the last arrowpresses of someone trying to desperately clear
|
||||
# one more line before bobming out. This will discard anything in the stdin buffer.
|
||||
read -s -t 1 -n 10000 discard
|
||||
read name
|
||||
name=`echo "$name" | sed 's/://g' | tr -cd [:print:] | head -c 30`
|
||||
if [ -z "$name" ] ; then
|
||||
name="Anonymous"
|
||||
fi
|
||||
echo "$name:$level:$score" >> $HISCORE
|
||||
hiscores=`cat $HISCORE | sort -n -r -t : -k 3 -k 2 | head -10`
|
||||
echo "$hiscores" > $HISCORE
|
||||
max_tabs=0
|
||||
i=1
|
||||
# Get the "tab equivalent" space occupied by each name
|
||||
for n in `echo "$hiscores" | tr " " "_"` ; do
|
||||
# In the console 8 spaces = 1 tab
|
||||
num_tabs[$i]=$((`echo -n "$n" | sed 's/:.*//' | wc -c` / 8 + 1))
|
||||
if [ ${num_tabs[$i]} -gt $max_tabs ] ; then
|
||||
max_tabs=${num_tabs[$i]}
|
||||
fi
|
||||
((++i))
|
||||
done
|
||||
# Use "yes | head" -construct to fill in correct number of tabs.
|
||||
echo -e "Rank\tName`yes "\t" | tr -d "\n" | head -c $(($max_tabs * 2))`Level\tScore\n"
|
||||
i=1
|
||||
for n in `echo "$hiscores" | tr " " "_"` ; do
|
||||
echo -e "$i\t$n" | sed "s/:/`yes "\t" | tr -d "\n" | head -c $((($max_tabs - ${num_tabs[$i]}) * 2 + 2))`/;s/:/\t/g;s/_/ /g"
|
||||
((++i))
|
||||
done
|
||||
}
|
||||
|
||||
function game_over {
|
||||
# Tell the music to stop.
|
||||
if [ $music ] ; then
|
||||
kill -s 12 $music
|
||||
fi
|
||||
# Display the classic "GAME OVER" text.
|
||||
tput cup 10 $(($MIN_X + 2))
|
||||
echo -ne "[0m+----------------+"
|
||||
tput cup 11 $(($MIN_X + 2))
|
||||
echo -ne "[0m| GAME OVER |"
|
||||
tput cup 12 $(($MIN_X + 2))
|
||||
echo -ne "[0m+----------------+"
|
||||
tput cup $(($graphics_lines + 1)) 0 # Place the cursor below the playing field
|
||||
tput cnorm # Return cursor to normal
|
||||
echo -ne "[0m" # Return colors to normal
|
||||
stty echo # Turn echoing back on
|
||||
echo
|
||||
# If the process was killed by e.g. Ctrl-C, we just quit here.
|
||||
if $killed ; then
|
||||
echo "Oops. Caught a kill signal. Exiting."
|
||||
exit 0
|
||||
fi
|
||||
touch $HISCORE || exit 0 # If we can't write to the hiscore file, we just exit too.
|
||||
# Did the player make it to the top 10?
|
||||
if [ `cat $HISCORE | wc -l` -lt 10 ] ; then
|
||||
new_hiscore
|
||||
elif [ `tail -1 $HISCORE | sed 's/.*://'` -lt $score ] ; then
|
||||
new_hiscore
|
||||
fi
|
||||
exit 0
|
||||
}
|
||||
|
||||
# Make sure that the working directory is that of the script, since other
|
||||
# things (music, graphics, hiscore) depends on it.
|
||||
cd `dirname "$0"`
|
||||
# Check that the terminal window is big enough.
|
||||
graphics_lines=0
|
||||
if [ -r ./$GRAPHICS ] ; then
|
||||
graphics_lines=$((`cat $GRAPHICS | wc -l` + 1))
|
||||
graphics_cols=`cat $GRAPHICS | head -1 | tr -d "\n" | wc -c`
|
||||
# If the graphics doesn't quite fit the screen, we cut it from the bottom.
|
||||
if [ $graphics_lines -gt `tput lines` ] ; then
|
||||
graphics_lines=`tput lines`
|
||||
fi
|
||||
else
|
||||
graphics_lines=$GRAPHICS_LINES_MIN
|
||||
graphics_cols=$(($NEXT_X + 8))
|
||||
fi
|
||||
|
||||
# If the terminal is too small, then tough luck. Better to exit than to show a
|
||||
# line wrapped garbled unplayable mess.
|
||||
if [ $GRAPHICS_LINES_MIN -gt `tput lines` -o $graphics_cols -gt `tput cols` ] ; then
|
||||
echo -e "ERROR: Your terminal is too small.\nA minimum of $graphics_cols columns by $GRAPHICS_LINES_MIN lines required." >&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# Start the music if possible
|
||||
music=""
|
||||
if [ ! -c /dev/dsp ] ; then
|
||||
echo "WARNING: The device /dev/dsp does not exist, or is not a valid character device." >&2
|
||||
echo " Music will be disabled. Press any key to continue." >&2
|
||||
read -s n1
|
||||
elif [ ! -x ./$MUSIC ] ; then
|
||||
echo "WARNING: Music file not found, or has insufficient permissions. Music will be disabled." >&2
|
||||
echo " Press any key to continue." >&2
|
||||
read -s n1
|
||||
else
|
||||
( ./$MUSIC ) &
|
||||
music=$!
|
||||
fi
|
||||
|
||||
if [ ! -r ./$GRAPHICS ] ; then
|
||||
echo "WARNING: Graphics file not found, or has insufficient permissions. Game will start without." >&2
|
||||
echo " Press any key to continue." >&2
|
||||
read -s n1
|
||||
clear
|
||||
else
|
||||
clear
|
||||
cat $GRAPHICS | head -n $(($graphics_lines - 1))
|
||||
echo -n "+------------------------------------------------------------------------------+"
|
||||
fi
|
||||
|
||||
# We don't want to leave the subshell running if someone presses CTRL+C
|
||||
trap 'killed=true ; game_over' SIGINT SIGTERM
|
||||
tput cup $SCORE_Y $SCORE_X
|
||||
echo "$score"
|
||||
tput cup $LEVEL_Y $LEVEL_X
|
||||
echo "$level"
|
||||
tput civis # Make cursor invisible
|
||||
stty -echo # Turn echo off
|
||||
set_timeout
|
||||
nextblock
|
||||
|
||||
set_nextdrop
|
||||
# Main loop
|
||||
while true ; do
|
||||
now=`date +%s%N`
|
||||
# If the time to make the block drop a notch has expired (while doing
|
||||
# other operations), drop it before doing anything else.
|
||||
if [ $now -ge $nextdrop ] ; then
|
||||
dropone
|
||||
# Read the keyboard, but time out when it's time to drop the block a notch.
|
||||
# (read will exit with 0 status from keyboard input, and non-0 from timeout.)
|
||||
elif read -s -n3 -t0.`printf %.9d $(($nextdrop - $now))` keypress ; then
|
||||
case "$keypress" in
|
||||
$UPARROW)
|
||||
rotate
|
||||
;;
|
||||
$DOWNARROW)
|
||||
drop
|
||||
;;
|
||||
$LEFTARROW)
|
||||
moveleft
|
||||
;;
|
||||
$RIGHTARROW)
|
||||
moveright
|
||||
;;
|
||||
esac
|
||||
else
|
||||
# Being here means read timed out.
|
||||
dropone
|
||||
fi
|
||||
done
|
|
@ -0,0 +1,113 @@
|
|||
#!/bin/bash
|
||||
|
||||
# Korobeiniki v1.0 (July 26, 2012), music for the bastris game.
|
||||
# Copyright (C) 2012 Daniel Suni
|
||||
#
|
||||
# This program is free software: you can redistribute it and/or modify
|
||||
# it under the terms of the GNU General Public License as published by
|
||||
# the Free Software Foundation, either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
# /dev/dsp default = 8000 frames per second, 1 byte per frame
|
||||
declare -r FPS=8000
|
||||
declare -r VOLUME=$'\xc0' # Max volume = \xff
|
||||
declare -r MUTE=$'\x80' # Middle of the scale = No volume (\x00 would also be max vol)
|
||||
|
||||
# The "notes" look like this:
|
||||
# oxxxxxxxxxxxxxxxxxxxxxxxxxxxxxoxxxxxxxxxxxxxxxxxxxxxxxxxxxxxoxxxxxxxxxxxxxxxxxxxxxxxxxxxxxoxx...
|
||||
# ^ ^ ^- Repeat previous sequence ^- Repeat again, et.c.
|
||||
# |-- "volume byte" |- N "mute bytes", where N is determined by the frequency desired.
|
||||
#
|
||||
# Since /dev/dsp uses 8000 fps, the frequency of the volume bytes should be 8000 / tone frequency
|
||||
# E.g. for an "A" of 440 Hz the byte frequency should be 8000 / 440 ~= 18 , i.e.
|
||||
# oxxxxxxxxxxxxxxxxxoxxxxxxxxxxxxxxxxxoxxxxxxxxxxxxxxxxxoxxx... et.c.
|
||||
#
|
||||
# The total number of bytes in the repeated sequences determines the duration of the note. (8000 bytes = 1s)
|
||||
#
|
||||
# Since this method does not use precise values, the notes will be somewhat off-key. This problem
|
||||
# gets worse with increasing frequencies, as the rounding errors get bigger. With lower frequencies
|
||||
# it's not really noticable to the untrained ear.
|
||||
|
||||
# Notes in hertz
|
||||
declare -r c0=65
|
||||
declare -r d0=73
|
||||
declare -r eb0=78
|
||||
declare -r f0=87
|
||||
declare -r g0=98
|
||||
declare -r ab0=104
|
||||
declare -r a0=110
|
||||
declare -r bb0=117
|
||||
declare -r b0=123
|
||||
declare -r c=131
|
||||
declare -r d=147
|
||||
declare -r eb=156
|
||||
declare -r e=165
|
||||
declare -r f=175
|
||||
declare -r g=196
|
||||
declare -r ab=208
|
||||
declare -r a=220
|
||||
declare -r bb=233
|
||||
declare -r b=247
|
||||
declare -r c2=262
|
||||
declare -r d2=294
|
||||
declare -r eb2=311
|
||||
declare -r s=7999 # Silence
|
||||
|
||||
# Note durations ha = half, qu = quarter, et.c.
|
||||
declare -r ha=8
|
||||
declare -r qu=4
|
||||
declare -r que=3
|
||||
declare -r ei=2
|
||||
declare -r si=1
|
||||
declare -r ss=0 # Will be translated to a very short non-zero duration.
|
||||
|
||||
function note { # $1 = pitch (Hz) $2 = duration (bytes)
|
||||
mute_bytes_num=$(($FPS / $1 - 1))
|
||||
note_bytes="$VOLUME`yes $MUTE | tr -d '\n' | head -c $mute_bytes_num`" # Create 1 oxxx...-sequence
|
||||
yes $note_bytes | tr -d '\n' | head -c $2 # Create as many bytes of concatenated sequences as needed.
|
||||
}
|
||||
|
||||
# Smaller value = faster tempo
|
||||
declare -r TEMPO=900
|
||||
|
||||
function tune { # $1 = List of notes in the format pitch(Hz):duration(note)
|
||||
for n in $1 ; do
|
||||
pitch=`echo $n | sed 's/:.*//'`
|
||||
duration=`echo $n | sed 's/.*://'`
|
||||
((duration*=TEMPO))
|
||||
if [ $duration -eq 0 ] ; then
|
||||
duration=50
|
||||
fi
|
||||
echo -n "`note $pitch $duration`"
|
||||
done
|
||||
}
|
||||
|
||||
# Korobeiniki is a Russian folk song (and as such, part of the public domain).
|
||||
# It consists of 2 distinct parts.
|
||||
tune_a="$g:$qu $d:$ei $eb:$ei $f:$qu $eb:$ei $d:$ei $c:$qu $s:$ss $c:$ei $eb:$ei $g:$qu $f:$ei
|
||||
$eb:$ei $d:$qu $s:$ss $d:$ei $eb:$ei $f:$qu $g:$qu $eb:$qu $s:$ss $c:$qu $s:$ss $c:$qu $s:$qu
|
||||
$f:$qu $s:$ss $f:$ei $ab:$ei $c2:$qu $bb:$ei $ab:$ei $g:$qu $s:$ss $g:$ei $eb:$ei $g:$qu $f:$ei
|
||||
$eb:$ei $d:$qu $s:$ss $d:$ei $eb:$ei $f:$qu $g:$qu $eb:$qu $s:$ss $c:$qu $s:$ss $c:$qu $s:$qu"
|
||||
|
||||
tune_b="$g:$ha $eb:$ha $f:$ha $d:$ha $eb:$ha $c:$ha $b0:$ha $d:$ha $s:$ss $g:$ha $eb:$ha
|
||||
$f:$ha $d:$ha $eb:$qu $g:$qu $c2:$qu $s:$ss $c2:$qu $b:$ha $b:$ha"
|
||||
|
||||
cr_tune_a=`tune "$tune_a"`
|
||||
cr_tune_b=`tune "$tune_b"`
|
||||
|
||||
# Allow the parent (game) script to kill the process when it's not needed any more.
|
||||
trap 'exit 0' SIGUSR2
|
||||
while true ; do
|
||||
# Run echo command in a subshell to prevent the sound from going berserk when script exits.
|
||||
# (This will cause the tune to play until finished, then stop even if script is killed.)
|
||||
( echo -n "$cr_tune_a$cr_tune_a$cr_tune_b" > /dev/dsp ) &>/dev/null &
|
||||
wait
|
||||
done
|
|
@ -0,0 +1,33 @@
|
|||
+----------------------------| |----------------------------+
|
||||
| | | |
|
||||
| Score: | | NEXT: |
|
||||
| [33m.[0m| | |
|
||||
| Level: [33m-+[0m| | |
|
||||
| [33m|[0m| | |
|
||||
| [33m.[0m| | [33m.[0m |
|
||||
| [36mc[34mo[0m| | [33m-+-[0m |
|
||||
| [33m. [34m:do[0m| | [33m| [0m |
|
||||
| [33m-+- .[0m'[34m;lcl[0m| |. .[32mc [0m|
|
||||
| [33m| [0m.[36m,[34mc::o[36m.[34md[0m| |[31m: .[32m:dc[0m. |
|
||||
| [32m.c [36m,;[34m;c[36m.[34md:[36m.[34mx[0m| |o .[32m,lo[0mx[32mdd[0md[32m:. [0m|
|
||||
| .[32mdox .[36m;.[34mo[36m.,[34mk[36m,.[34mx[0m| |[31md [33m;[32md[0mo[32mdod[0mk[32mdd[0mx[32mdc[33m. [0m|
|
||||
| [32m'[33mco[32mxo[33md[32mc[0m,. .[36m,'[34mx[36m.'[34mx,[36m.[34mx[0m| |[31ml[0m. .[32ml[0mk[32mdo[0mx[32mdox[0mk[32mxod[0mxx[32mc [0m|
|
||||
| [32m:x[33mol[32mxd[33ml[32mxdxd[0m;. [36m,.[34moc[36m.[34mlc[36m.[34md[0m| |c. [33m. [0ml[32mo[0mkx[32mod[0mOx[32mod[0mkk[32mdd[0mxk[33m;[0m|
|
||||
| .[32mdd[33mco[32mxd[33mc[32mdx[33ml[32mdx[33mo[32md[0m. .;[34m,l:[0m;[34ml[0m'[34m:[0m| |c. [33m-+- [0mox[32md[31mO[0mx[32mod[31mO[0mx[32moo[0mk[31mO[32mdo[31mO[33m:[0m|
|
||||
|.[32mx[33mlc[32mdx[33mlc[32mdd[33mcl[32mxd[33mc[32md[33ml [31m.ccclooo[0m| |l. [33m | '[0mkx[32md[0mO[32mdo[0mxO[32moo[0mx[31m0[0mxk[31md[0m.|
|
||||
|.[33mo[31m:[32mdx[33mc:[32mdd[33m:c[32mx[33ml:lcc [31m.clclooo[0m| |:. [32mc. [33m'[31md[33mo[31mdo[33ml[31mod[33mll[31mdodc [0m|
|
||||
| '[33m:o[32md[33m:o[32mk[33ml:[32md[33mo:oc:, [31m.cocloox[0m| |[31md[0m..[32m,lcl;. .[31mlooooooooooo, [0m|
|
||||
| .[33m':;:[0mc[33m:;c:;c[0mc. [31m.;c::ccl[0m| |[33mo[32mol:o:c:;c' .[31mccccccclcloo, [0m|
|
||||
| [31m,,;:;;clo[0moc[36mc;[0m. '[31m:;,clll[0m+--------------------+[32m,coll[33m,[32m:ccl,'[0m.[31m;:cllodl;:lc' [0m|
|
||||
| [31m:ccl:cc[0mld[36molo[0mxd;.:;.[31m;:[0m,,:''[31mo[0ml,;,;[31m:''':;[0moc[31mc;[0m'::[32ml;;,[33m,[32m:,::;:,c[0m,[31m;:ccclol;:ol' [0m|
|
||||
| .[31m:ocod[0mdox[36mdx[0mxxO[36mxo[0m;::[31m;:[0m:;::;:[31ml[0mc:c:c[31mo:',ll[0mOo[31mc,[0m'[31ml[0mdd[32m:cc:lcolll::[33m;[31mlc:co[0mo[31modlcoxl[0m. |
|
||||
| .[31m:lcooo[0mk[36mkO[0mkxO[36mkk[0mk[31mcclcloooooodkkkkOx:,;oo[0mKx[31mc;[0m;[31mo[0mxx[33mocccccccccc[0m;c:;:::cc;:cccoc'|
|
||||
| .,;;:c;;cdddododo[31mlcccloolcoodkkdOklc::ol[0mdo[31ml[0m::odd[31moclcclccclc:[0ml::[31ml[0mc:cl::[31ml[0mc:lc,|
|
||||
| ,;;[31m;l[0m:;;;[31m:cccccccl:;clooc:lodkxokd'ccoo;[0m'[31m,loxx[0m:[31m:dlolcdlccoldddxdxddddxdxdxd,[0m|
|
||||
| [31m;lclloooooollocclc::clol:l:odkdddx:ccodc:codxxoodllccolccllllllllllllllllol'[0m|
|
||||
| [31m,:::clccllllclcclc:d;lo;[0mlk;[31mcdko[0mdc[31md,..,:[0m...[31mc:[0m..:;[31m;looooooool:cco,:occoc,olc;[0m.|
|
||||
| [31m;::looc:ododddddo:c[0mx[31m;lo;[0md0[31mlcdko[0mk[31mcd::cllclcclddlloo[0moooooloo[31molllo[0m.[31m;occo;[0m.[31moll[0m' |
|
||||
| [31m;c:coollcllllllcl:l[0mk[31m:lc:[0md0[31mlcodo[0mk[31moxxclooo[0mKx[31mcoxxdlcllccllcclccc,l;c;'';c;o;[0m,,.|
|
||||
| [31m,cccollocc::llolcccl:lllodlooxxxxkxclooo[0mKx[31mloxxocl:;:o[0ml[31mool[0m:[31mod[0ml.[31mcol[0m, ,[31mlol[0m. [31m:,[0m|
|
||||
| [31m,cccocoo;[0m;;::l:c[31mlccccloooooodkkkkOxclooo[0m0x[31mcoxkc[0m;:,:c;cc;cl:l::[31mcoc; :col[0m. [31m;'[0m|
|
||||
|.'c[31mooo[0mooooclloldloo[31moooood[0mdd[31mddd[0mdxkxkxd[31mood[0mdoxdo[31md[0mxxllocooloolodlolooool;;llooc;lc|
|
Loading…
Reference in New Issue