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bashtris.sh
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bashtris.sh
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#!/bin/bash
# =MAKE:npp_workspace - : notepad++ project file
# =MAKE:README - : readme
# =MAKE:MAKE.sh - : build system
# =MAKE:BREAK.s - UNbuild system
# =MAKE:ID.sh - machine ID command
# =MAKE:ansi.s - ansi sequences (colour, etc)
# =MAKE:prng.s - PRNG (for piece selection)
# =MAKE:kbd.s - keyboard driver
# =MAKE:time.s - timer system
# =MAKE:status.s - status line
# =MAKE:sys.s - system functions
# =MAKE:debug.s - debug API & debug monitor
# =MAKE:cs.s - cyborg systems fancy shit
# =MAKE:quit.s - quit screen
# =MAKE:cli.s - cli parser
# =MAKE:lang.s - translation file
# =MAKE:help.s - help screens
# =MAKE:gameover.dat - gameover sprites
# =MAKE:gameover.s - gameover process
# =MAKE:hiscore.s - high score system
# =MAKE:start.s - start menu
# =MAKE:pause.s - pause screen
# =MAKE:rig.dat - rig-game setups
# =MAKE:rig.s - rig-game menu & system
# =MAKE:sound.s - event sounds
# =MAKE:g_gfx.s - game graphics
# =MAKE:g_logic.s - game logic
# =MAKE:pf.s - playfield maintenance
# =MAKE:main.s - start here
# =MAKE:tris.sh - : makefile
# =MAKE:hiscore.dat - hiscores - last (for consistency)
: << 'EOF-npp_workspace'
# +MAKE:npp_workspace - : notepad++ project file
<NotepadPlus>
<Project name="BAShTris_v1">
<File name="README" />
<Folder name="Tools">
<File name="ID.sh" />
</Folder>
<Folder name="Build">
<File name="MAKE.sh" />
<File name="BREAK.s" />
<File name="tris.sh" />
</Folder>
<Folder name="Core">
<File name="ansi.s" />
<File name="debug.s" />
<File name="kbd.s" />
<File name="prng.s" />
<File name="status.s" />
<File name="time.s" />
</Folder>
<Folder name="Main">
<File name="sys.s" />
<File name="cli.s" />
<File name="lang.s" />
<File name="main.s" />
</Folder>
<Folder name="Screens">
<File name="cs.s" />
<File name="help.s" />
<File name="hiscore.dat" />
<File name="hiscore.s" />
<File name="gameover.dat" />
<File name="gameover.s" />
<File name="rig.dat" />
<File name="rig.s" />
<File name="pause.s" />
<File name="quit.s" />
</Folder>
<Folder name="Game">
<File name="sound.s" />
<File name="g_gfx.s" />
<File name="g_logic.s" />
<File name="pf.s" />
<File name="start.s" />
</Folder>
</Project>
</NotepadPlus>
# -MAKE:npp_workspace
EOF-npp_workspace
: << 'EOF-README'
# +MAKE:README - : readme
#!/bin/bash
: << 'EOT'
~~README-BEGIN
,-------.
==( Index )==================================================================
`-------'
# BAShTris
# LICENCE
# BIBLIOGRAPHY
# ROADMAP
# COMMAND LINE OPTIONS
# Standard
# Debug
# CONSOLE SETTINGS
# Required terminal settings <----- 0_o
# Play with PuTTY over SSH
# Kali terminal window
# Windows Subsytem Linux (WSL)
# GAME MODES
# Drop Rate
# Normal (aka Marathon or A-Type)
# Invisible [Marathon]
# Challenge (aka B-Type)
# STUFF TO TRY
# CS Logo
# Controller Screen
# Start Screen
# During Gameplay <---------------- 0_o
# End of Game
# Repeating a Game <--------------- 0_o
# HIGH SCORES
# Review
# Export
# Import
# Merge
# Upgrading <--------------------- 0_o
# DEBUG MODE
# Command line options
# Debug Console
# Extra keys during play
# DEVELOPER MODE
,----------.
==( BAShTris )===============================================================
`----------'
Autumn 2020. Boredom has set in. Never written a Tetris clone before. BASh
skillz could do with a work-out. Enjoy!
,---------.
==( LICENCE )================================================================
`---------'
MIT License
Copyright (c) 2020 BlueChip
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.
,--------------.
==( BIBLIOGRAPHY )===========================================================
`--------------'
This probably isn't complete, but it's a list of handy references:
* https://en.wikipedia.org/wiki/Code_page_437
* http://ascii-table.com/ansi-escape-sequences.php
* https://www.linuxquestions.org/questions/programming-9/bash-case-with-arrow-keys-and-del-backspace-etc-523441/
* http://asciiqr.com/
* https://www.utf8-chartable.de/unicode-utf8-table.pl?start=00&utf8=oct
* https://www.artificialworlds.net/blog/2012/10/17/bash-associative-array-examples/
* https://docs.google.com/spreadsheets/d/17f0dQawb-s_Fd7DHgmVvJoEGDMH_yoSd8EYigrb0zmM/edit#gid=296134756
,---------.
==( ROADMAP )================================================================
`---------'
# Wall kick (option)
# Network play
# OSX support (BASh v3 - no sub-second timer!)
,----------------------.
==( COMMAND LINE OPTIONS )===================================================
`----------------------'
Standard Options
================
-h --help : this info
-H --man : full documentation
-v --version : show version number
-k1 --kbdv1 : force v1 keyboard driver (supports WSL)
-k2 --kbdv2 : force v2 keyboard driver (improved driver)
--id : generate id.out for this linux install [debug/porting]
-r --records : show hi score records
-x --rexport : eXport hi score records [filename] <-- optional
-i --rimport : Import hi score records <filename> <-- required
-m --rmerge : merGe hi score records <filename> <-- required
+N : seed(N) - repeat a specific game
Debug Options
=============
-d --debug : debug mode (extra keys - see controller help screen)
-s --skip : skip intro sequence
-f --fast : fast startup
-c --ctrlc : Enable [do not disable] ^C
-n --monitor : monitor debug messages
-b --break : break code in to components - use MAKE.sh to rebuild
-B --brkovr : break code in to components - overwrite existing files
,------------------.
==( CONSOLE SETTINGS )=======================================================
`------------------'
Required terminal settings
==========================
# Terminal size: {80 x 25} (24 + 1 status line)
Choice of Font & Colour Scheme are outside my control, and can be the
difference between "nice job" and "pass the bucket".
If the graphics are misaligned, try a slightly bigger or smaller font size.
Make sure you have UTF8 support enabled!
Play with PuTTY over SSH
========================
# Font : Courier New
PuTTY -> Settings -> Window -> Appearance -> Font -> Change = Courier New
# Character Set: UTF-8
PuTTY -> Settings -> Window -> Translation -> Remote Charset = UTF-8
Kali terminal window looks good with
====================================
[File->Preferences]
# Font : Bitstream Vera Sans Mono
# Colour Scheme: Linux
Windows Subsytem Linux (WSL)
============================
# Font : Courier New
# Command line : $0 -k1 <-- this should auto-detect now!
,------------.
==( GAME MODES )=============================================================
`------------'
Drop Rate
=========
In all modes, the drop rate is:
Drop Rate = (1000 - (Level *46)) milliseconds
,--------------------------.
| Level | Rate | drops/sec |
|=======|======|===========|
| 0 | 1000 | 1 | Yawn
| .. | ... | | ...
| 5 | 770 | 1.3 | Playable
| .. | ... | | ...
| 10 | 540 | 1.85 | Game on
| 11 | 496 | 2 | ..
| .. | ... | | ...
| 15 | 310 | 3.2 | Stay focussed
| .. | ... | | ...
| 20 | 80 | 12.5 | Faster than I can play!
`--------------------------'
By comparison, these are the speeds for the Gameboy:
https://harddrop.com/wiki/Tetris_(Game_Boy)
,-----------------------------------------.
| | ___BAShTris___ | ___Gameboy____ |
| Level | Rate | drops/S | Rate | drops/S |
|=======|======|=========|======|=========|
| 0 | 1000 | 1.00 | 887 | 1.13 |
| 1 | 954 | 1.05 | 820 | 1.22 |
| 2 | 908 | 1.10 | 753 | 1.33 |
| 3 | 862 | 1.16 | 686 | 1.46 |
| 4 | 816 | 1.23 | 619 | 1.62 |
| | | | | |
| 5 | 770 | 1.30 | 552 | 1.81 |
| 6 | 724 | 1.38 | 469 | 2.13 |
| 7 | 678 | 1.47 | 368 | 2.72 |
| 8 | 632 | 1.58 | 285 | 3.51 |
| 9 | 586 | 1.71 | 184 | 5.43 |
| | | | | |
| 10 | 540 | 1.85 | 167 | 5.99 |
| 11 | 494 | 2.02 | 151 | 6.62 |
| 12 | 448 | 2.23 | 134 | 7.46 |
| 13 | 402 | 2.49 | 117 | 8.55 |
| 14 | 356 | 2.81 | 100 | 10.00 |
| | | | | |
| 15 | 310 | 3.23 | 100 | 10.00 |
| 16 | 264 | 3.79 | 84 | 11.90 |
| 17 | 218 | 4.59 | 84 | 11.90 |
| 18 | 172 | 5.81 | 67 | 14.93 |
| 19 | 126 | 7.94 | 67 | 14.93 |
| | | | | |
| 20 | 80 | 12.50 | 50 | 20.00 |
`-----------------------------------------'
NORM : Normal (aka Marathon or A-Type)
======================================
It's tetris with "N64: New Tetris" combo blocks
You start on the selected Level.
The start speed is the same as the Level
The speed will 'Level Up' every 10 lines (~25 pieces)
NVIS : Invisible [Marathon]
===========================
As per normal gameplay, but pieces become invisible when they are placed.
Additionally, on higher levels, Basket Pieces are hidden:
0.. 9 -> 0 hidden
10..14 -> 1 hidden
15..20 -> 2 hidden
CHAL : Challenge (aka B-Type)
=============================
You will start with some "junk" (aka "garbage") in the "pit"
You must survive until all the pieces have been placed.
Any pieces left at the end of the game will be deducted from your score.
...with a nice animation
Based on the user-selected [Game] 'Level'
SpeedLevel = ((Level /5) +3) +(Level % 5) +((Level /20) *3)
JunkLines = ((Level /5) *2) +4
DropPieces = 100 +JunkLines +SpeedLevel +Level +((Level /5) *10)
The start speed is defined as SpeedLevel (above)
The speed will 'Level Up' every 6 lines (~15 pieces)
This table shows all game parameters
The "max" values are theoretical, and may/will vary during gameplay.
EG. At Level=20, you will need to survive ABOUT 32 pieces at speed 20
,-------------------------------------------.
| | | ___Speed___ | ___Pieces___ |
| Level | Junk | Start | Max | Total | @Max |
|=======|======|=======|=====|=======|======|
| 0 | 4 | 3 | 10 | 107 | 2 |
| 1 | 4 | 4 | 11 | 109 | 4 |
| 2 | 4 | 5 | 12 | 111 | 6 |
| 3 | 4 | 6 | 13 | 113 | 8 |
| 4 | 4 | 7 | 14 | 115 | 10 |
| | | | | | |
| 5 | 6 | 4 | 12 | 125 | 5 |
| 6 | 6 | 5 | 13 | 127 | 7 |
| 7 | 6 | 6 | 14 | 129 | 9 |
| 8 | 6 | 7 | 15 | 131 | 11 |
| 9 | 6 | 8 | 16 | 133 | 13 |
| | | | | | |
| 10 | 8 | 5 | 14 | 143 | 8 |
| 11 | 8 | 6 | 15 | 145 | 10 |
| 12 | 8 | 7 | 16 | 147 | 12 |
| 13 | 8 | 8 | 17 | 149 | 14 |
| 14 | 8 | 9 | 19 | 151 | 1 |
| | | | | | |
| 15 | 10 | 6 | 16 | 161 | 11 |
| 16 | 10 | 7 | 17 | 163 | 13 |
| 17 | 10 | 8 | 19 | 165 | 0 |
| 18 | 10 | 9 | 20 | 167 | 2 |
| 19 | 10 | 10 | 20 | 169 | 19 |
| | | | | | |
| 20 | 12 | 10 | 20 | 182 | 32 |
`-------------------------------------------'
,--------------.
==( STUFF TO TRY )===========================================================
`--------------'
CS Logo
=======
Animations that run in threads, so can be concurrent
Controller Screen
=================
No easter eggs here (or are there?)
Start Screen
============
F1 - Review controller keys
F2 - Show combo block table
F4 - System details (multiple 'pages')
F10 - Review high-score statistics
Select "Sound" and press Rotate-Left: Audio test
Select Russian [qv lang.s]
During Gameplay
===============
If the screen becomes corrupt:
1. Press "`" / "backtick" / "grave accent" to redraw the screen
2. If it's a bug - report it!
Play on level 0, 1, or 2 to see the piece 'introduction' animation
F1 or F2 for the help screens
P to Pause the game
...with random animations & 'easter egg' messages
Random graphical events do NOT effect the piece distribution!
Complete a challenge for an animation run
Clear the pit for a "PERFECT" bonus and +100 points
Work out a strategy for maximising the score multiplier
Try and create all 11 GOLD and 106 SILVER combinations
...I hope to add "Achievements" to a future version
End of Game
===========
Watch out for easter-egg messages
Get your name/initials on the High Score Table
Use <shoulder> to change the input language
In any game mode, on any Level 10-or-above:
Play three games and enter your initials for all three wins
On the fouth play, get position #1 on the table
...for a surprise
Repeating a Game
================
Use `bashtris +N` to force the seed to N, where 0 <= N <= 65535
...This will be the same for every game until BAShTris is restarted
This allows you to challenge a friend on a specific game :)
...Work out how to get the same pieces on a different level!
,-------------.
==( HIGH SCORES )============================================================
`-------------'
Review
======
You can view the in-game hjigh score records table
by pressing F10 on the in-game menu page. Or...
Review any set of high score records with:
`bashtris -r [filename]`
...A filename of a [friend's] exported table MAY be specified
...If NO filename is given, the internal records will be shown
**************************************************************
** The following features do NOT work in 'developer' mode **
**************************************************************
In 'developer' mode, the high score table is: hiscore.dat
and it does NOT contain the markers required for sharing
Export
======
Export your high scores with:
`bashtris -x [filename]`
...will use stdout if no filename is supplied
Save your scores before upgrading
Or send them to a friend for challenges
Import
======
Import a complete set of high scores with:
`bashtris -i <filename>`
You can run `bashtris -r` to confirm the records have imported
Merge
=====
Merge a [friend's] high score table in to your game with:
`bashtris -m <filename>`
...Basic statistics will be given about what was imported
You can run `bashtris -r` to view the newly merged records
Upgrade
=======
If you upgrade to a new version of BAShTris, you will (probably) want
to keep your high score records.
I was going to automate this, but "automatically download and install
unsigned scripts off github" just seems like an unreasonable security risk.
...Maybe I will consider signed updates at some point in the future :/
1. Run `bashtris -x records.dat` to save your records as 'records.dat'
2. Download the new version
wget https://raw.githubusercontent.com/csBlueChip/BAShTris/main/bashtris.sh
3. Move the current 'bashtris.sh' to your trashcan
4. Replace it with the new 'bashtris.sh' file you just downloaded
5. Run `bashtris -i records.dat` to re-import your exported records
,------------.
==( DEBUG MODE )=============================================================
`------------'
Command line options
====================
-d to enable debug mode
-s to skip the intros
-f to skip the board draw
-c allow ^C to exit the program
Debug Console
=============
Open another session and run `bashtris -n` for a debug monitor console
The main code can use DBG and DBGF to send debug console messages.
Extra keys during play
======================
0 : Disable auto-drop - aka Realtime Pause
Pressing UP in this mode will cause a piece to lock immediately
F5 : Toggle invisible mode on/off
Useful for debugging invivisble mode!
F6 : Draw tetrominoes normally
Debug mode usually show the piece geometry during play
Enabling "NormalDRAW" has an easter-egg side-effect!
F12 : Rig the game
A number of test pits exist for exercising certain features
To create another: See the instructions in rig.dat
PgUp : Level up
Add enough lines to push you up 1 level
6 ^ : Move up!
Piece dropped too far? ...Move it back up the screen!
Ins : Place piece
Lock the active tetromino in to place where it is now
End : Ditch piece
Discard the active tetromino
...and get the next one out of the basket, as normal
,----------------.
==( DEVELOPER MODE )=========================================================
`----------------'
Run `bashtris -b` to break the code in to manageable components
...including a notepad++ workspace
You can use `bashtris -B` [capital B] to force file-overwrite
Run `MAKE.sh` to re-"compile" it in to a single file
Once "broken" the game may be run with `tris.sh`
Run `bashtris --id` to create an `id.out` file to identify this distro
When broken out, `ID.sh` is the standalone version of `bashtris --id`
Some of this information can be seen by pressing F4 on the start menu
The various outputs will rotate with each press of F4
==[EOF]==
~~README-END
EOT
# -MAKE:README
EOF-README
: << 'EOF-MAKE.sh'
# +MAKE:MAKE.sh - : build system
#!/bin/bash
out=bashtris.sh
in=tris.sh
lin=()
echo "# Processing..."
# load input file
while IFS= read -r l || [ -n "$l" ] ; do
lin+=("$l")
# lin+=("${l#"${l%%[![:space:]]*}"}") # ltrim
done < $in
file=()
cmnt=()
hs=
hsc=
err=0
for l in "${lin[@]}" ; do
a=($l)
if [[ "${a[0]}" == "." ]]; then
if [[ -f "${a[1]}" ]]; then
c="${l#*#}" # grab comment
if [[ "${a[1]}" == "hiscore.dat" ]]; then # put scores at the end
hs="${a[1]}"
hsc=("${c#"${c%%[![:space:]]*}"}") # ltrim
else
# echo "+ |${a[1]}| - |${c#"${c%%[![:space:]]*}"}|"
file+=("${a[1]}") # grab filename
cmnt+=("${c#"${c%%[![:space:]]*}"}") # ltrim
fi
else
>&2 echo "! File not found: |${a[1]}|"
((err++))
fi
fi
done
((err)) && exit $((100 +err))
# append the "makefile"
inc=": makefile"
#echo "+ |$in| - |$inc|"
file+=("$in")
cmnt+=("$inc")
# hiscores come last
[[ ! -z "$hs" ]] && {
# echo "+ |$hs| - |$hsc|"
file+=("$hs")
cmnt+=("$hsc")
}
echo "# Header"
>$out echo "#!/bin/bash"
echo "# List"
len=0
for ((i = 0; i < ${#file[@]}; i++)); do
((${#file[$i]} > len)) && len=${#file[$i]}
done
for ((i = 0; i < ${#file[@]}; i++)); do
printf -v c "# =MAKE:%s%*s - %s" "${file[$i]}" $((len -${#file[$i]})) "" "${cmnt[$i]}"
>>$out echo "$c"
done
echo "# Includes"
for ((i = 0; i < ${#file[@]}; i++)); do
printf "# %s%*s - %s\n" "${file[$i]}" $((len -${#file[$i]})) "" "${cmnt[$i]}"
[[ "${cmnt[$i]:0:1}" == ":" ]] && >>$out echo ": << 'EOF-${file[$i]}'"
>>$out echo "# +MAKE:${file[$i]} - ${cmnt[$i]}"
>>$out cat ${file[$i]}
>>$out echo "# -MAKE:${file[$i]}"
[[ "${cmnt[$i]:0:1}" == ":" ]] && >>$out echo "EOF-${file[$i]}"
done
echo "# Privs"
chmod +x $out
echo "* Success |$out|"
# -MAKE:MAKE.sh
EOF-MAKE.sh
# +MAKE:BREAK.s - UNbuild system
#!/bin/bash
# MAKE-COOKIE <--- This let's the system know if it is running in Make or Break mode
#+============================================================================= ========================================
unmake() {
local re l fn
local arr=()
IFS=$'\n' read -r -d '' -a arr < <(grep '^# =MAKE' ${CMD} && printf "\0")
for ((i = 0; i < ${#arr[@]}; i++)); do
l="$(echo "${arr[$i]}" | sed 's/[^:]*:\(.*\)/\1/')"
fn="$(echo "$l" | sed 's/\([^[:space:]]*\).*/\1/')"
if [[ -e $fn ]]; then
if [[ "$1" != "force" ]]; then
echo "! File already exists: |$fn|"
continue
else
echo "# Overwrite: |$fn|"
fi
else
echo "# Create: $l"
fi
re='/^# +MAKE:'$fn'/,/^# -MAKE:'$fn'/'
sed -n "${re}p" ${CMD} | sed -e '1d' -e '$d' >$fn
done
echo "# Set privs"
chmod +x MAKE.sh ID.sh tris.sh
echo "* Success"
}
# -MAKE:BREAK.s
# +MAKE:ID.sh - machine ID command
#!/bin/bash
#+=============================================================================
idDoit () {
echo \$ $@
eval $@
echo ""
}
#+=============================================================================
idMake() {
{
2>&1 idDoit uname -a
2>&1 idDoit uname -s
2>&1 idDoit uname -n
2>&1 idDoit uname -r
2>&1 idDoit uname -v
2>&1 idDoit uname -m
2>&1 idDoit uname -p
2>&1 idDoit uname -i
2>&1 idDoit uname -o
2>&1 idDoit uname -z # test error redirect
2>&1 idDoit uname --version
2>&1 idDoit bash --version
} >$1
echo '* Created: |id.out|'
echo "* Feel free to redact your machine name [$(uname -n)] in the file before sharing"
}
[[ "${0##*/}" == "ID.sh" ]] && idMake id.out
# -MAKE:ID.sh
# +MAKE:ansi.s - ansi sequences (colour, etc)
#!/bin/bash
#------------------------------------------------------------------------------ ----------------------------------------
# ANSI Colour definitions
#
# use : ${atPFX} {at};{fg};{bg} ${atSFX}
# EG. : ${atPFX}${atBLD};{$fgYEL};${bgRED}${atSFX}
# ${atPFX}{$fgBLU};${bgBLK}${atSFX}
#
atPFX="\033[0;" # OSX comes with BASh v3, so no "\e" or "\x1b"
atSFX=m
# Foreground attributes
atOFF=0 # attibutes off
atBLD=1 # bold/bright
atUSC=4 # underscore
atBLN=5 # blink
atREV=7 # reverse
atCON=8 # conceal
fgBLK="0;30"
fgGRY="1;30"
fgRED="0;31"
fgBRED="1;31"
fgGRN="0;32"
fgBGRN="1;32"
fgBRN="0;33"
fgYEL="1;33"
fgBLU="0;34"
fgBBLU="1;34"
fgMAG="0;35"
fgBMAG="1;35"
fgCYN="0;36"
fgBCYN="1;36"
fgWHT="0;37"
fgBWHT="1;37"
bgBLK=40
bgRED=41
bgGRN=42
bgYEL=43
bgBLU=44
bgMAG=45
bgCYN=46
bgWHT=47
#------------------------------------------------------------------------------ ----------------------------------------
# Text colours
#
clrTxtFg="${fgGRN}"
clrTxtBg="${bgBLK}"
atOFF="${atPFX}${clrTxtFg};${clrTxtBg}${atSFX}" # override terminal skin
BLK="${atPFX}${fgBLK};${clrTxtBg}${atSFX}"
RED="${atPFX}${fgRED};${clrTxtBg}${atSFX}"
GRN="${atPFX}${fgGRN};${clrTxtBg}${atSFX}"
BRN="${atPFX}${fgBRN};${clrTxtBg}${atSFX}"
BLU="${atPFX}${fgBLU};${clrTxtBg}${atSFX}"
MAG="${atPFX}${fgMAG};${clrTxtBg}${atSFX}"
CYN="${atPFX}${fgCYN};${clrTxtBg}${atSFX}"
WHT="${atPFX}${fgWHT};${clrTxtBg}${atSFX}"
GRY="${atPFX}${fgGRY};${clrTxtBg}${atSFX}"
BRED="${atPFX}${fgBRED};${clrTxtBg}${atSFX}"
BGRN="${atPFX}${fgBGRN};${clrTxtBg}${atSFX}"
YEL="${atPFX}${fgYEL};${clrTxtBg}${atSFX}"
BBLU="${atPFX}${fgBBLU};${clrTxtBg}${atSFX}"
BMAG="${atPFX}${fgBMAG};${clrTxtBg}${atSFX}"
BCYN="${atPFX}${fgBCYN};${clrTxtBg}${atSFX}"
BWHT="${atPFX}${fgBWHT};${clrTxtBg}${atSFX}"
#+============================================================================= ========================================
# PrintAT(y, x, s) - TL={1,1}
#
PAT() { # (y, x, $s)
echo -en "\033[$1;$2H$3"
}
#+=============================================================================
# CLS
#
CLS() {
echo -en "\033[2J\033[1;1;H" # cls ; tab(1,1)
}
# -MAKE:ansi.s
# +MAKE:prng.s - PRNG (for piece selection)
#!/bin/bash
#****************************************************************************** ****************************************
# ,------.
# ( PRNG )
# `------'
#****************************************************************************** ****************************************
#****************************************************************************** ****************************************
# "Linear Congruency" Pseudo Random Number Generator [PRNG]
# Full docs here: https://github.com/csBlueChip/simplePRNG
#
#------------------------------------------------------------------------------ ----------------------------------------
# Constansts
#
RNDm=$((0x100000000 -1)) # m: >2^30, precise ^2 allows for boolean optimisation
RNDa=$((0x5D635DBA & 0xFFFFFFF0 | 5)) # a: no binary pattern ... as M is a ^2, A%8==5
RNDc=1 # c: no factor in common with m
# The wider (in bits) your result is, the less entropy will appear in the LSb's
RNDw=3 # w= width of result
RNDb=$(((1 <<$RNDw) -1)) # b= bitmask
RNDr=$((32 -$RNDw)) # r= right shift amount
#------------------------------------------------------------------------------ ----------------------------------------
# Variables
#
# There is no algorithmic requirement to store RNDs or RNDn
# These are merely for convenience, and may be removed.
#
RNDs=$RANDOM # s= seed
RNDx=$RNDs # x= most recent state
RNDn=$(($RNDx & $RNDm)) # n= most recent PRN
#+============================================================================= ========================================
RND() { # ([seed, n])
[[ "$1" == "seed" ]] && {
RNDs=$2
RNDx=$RNDs
return
}
# RNDx=$((($RNDa*$RNDx +$RNDc) %$RNDm)) # x <- (ax+c)%m
RNDx=$((($RNDa*$RNDx +$RNDc) &$RNDm)) # x <- (ax+c)%m
RNDn=$(($RNDx >>$RNDr)) # upper bits have greater entropy
return $RNDn # this return method, limits us to 8-bit values
}
#+============================================================================= ========================================
# RNDtest 1000000 # I suggest *at least* 1,000,000
#
#> RNDtest() {
#> RND seed $RANDOM
#>
#> sz=$1 # size of sample set
#>
#> W=() # weighting array
#> for ((i = $sz; i > 0; i--)); do
#> RND # get a fresh random number to $RNDn
#>
#> # echo $RNDn # echo to the tty
#>
#> # tally the weight
#> if [[ ${W[$RNDn]} == "" ]]; then
#> W[$RNDn]=1
#> else
#> W[$RNDn]=$((${W[$RNDn]} +1))
#> fi
#>
#> # countdown timer
#> [[ $(($i % 10000)) -eq 0 ]] && echo -en "\r$i " >&2
#> done
#> echo -e "\rdone " >&2
#>
#> echo "RNDm=$RNDm"
#> echo "RNDa=$RNDa"
#> echo "RNDc=$RNDc"
#> # echo ""
#> echo "RNDw=$RNDw"
#> echo "RNDb=$RNDb"
#> echo "RNDr=$RNDr"
#> # echo ""
#> echo "RNDs=$RNDs"
#> # echo "RNDx=$RNDx"
#> # echo ""
#> # echo "RNDn=$RNDn"
#> # echo ""
#>
#> echo -e "\nStats\n-----"
#> tot=0 # total numbers counted
#> hi=$((1 << $RNDw)) # max number of values available
#> mt=0 # number of empty values
#> avg=$(($sz /$hi)) # average expected count
#> for ((i = 0; i < $hi; i++)); do
#> # only consider values which were generated at least once
#> if [[ ${W[$i]} != "" ]]; then
#> echo $i: ${W[$i]} $((${W[$i]} -$avg)) # value, count, deviation from average
#> ((tot+=${W[$i]})) # tally the count
#> # otherwise just count is as an "empty" value
#> else
#> ((mt++))
#> fi
#> done
#> echo "tot:$tot"
#> echo "empty: $mt"
#>
#> min=$sz # smallest count
#> max=0 # biggest count
#> for ((i = 0; i < $hi; i++)); do
#> [[ ${W[$i]} -lt $min ]] && min=${W[$i]}
#> [[ ${W[$i]} -gt $max ]] && max=${W[$i]}
#> done
#>
#> dn=$(($avg -$min)) # biggest deviation down
#> up=$(($max -$avg)) # biggest deviation up
#> pk=$up # peak deviation
#> [[ $dn -gt $pk ]] && pk=$dn
#> pc=$(echo "($pk / $hi) / 100.0" | bc -l | head -c 6) # worst % deviation
#> echo "range: $min <= $avg <= $max .. peak-dev: $pk = $pc%"
#> }
# -MAKE:prng.s
# +MAKE:kbd.s - keyboard driver
#!/bin/bash
#******************************************************************************
# ,-----------------.
# ( KEYBOARD DRIVER )
# `-----------------'
#******************************************************************************
#+=============================================================================
# returns:
# 0 - OK
# 1 - driver not running
#
keyStop() {
[[ (! -z $KeyRun) && ($KeyRun -ne 1) ]] && return 1
# Restore terminal settings - known to fail sometimes !?
# stty sane # Set terminal to "sane" settings
[[ ! -z "$KeyStty" ]] && stty ${KeyStty}
tput cnorm # Make the cursor visible
KEY=
KeyQ=
KeyEOK=
KeyStty=
KeyRun=0
return 0
}
#+=============================================================================
# optional:
# KEYDRV=v2 - use keyboard driver v2 (preferred, not supported by WSL)
#
keyStart() {
# weirdly, this "\e" seems to work with OSX
# why no O ??? <- answer: see Kali!
KeyEOK=[a-zA-NP-Z~^\$@\e]
KEY=
KeyQ=
KeyStty=$(stty -g) # Save our current terminal settings
ATEXIT+=("keyStop")
tput civis # Hide the cursor
# change terminal settings
# -echo : do not echo typed characters to the screen
# -icanon: do not wait for a CR
# min : minimum number of characters per 'read'
# time : time-out if no new characters received within N/10 seconds
if [[ "$KEYDRV" == "v2" ]] ; then
stty -echo -icanon min 0 time 0 # Change our terminal settings
# ...you may want to disassociate ^Q, ^S, ^C, ^Z, etc. - see `stty -a`
# stty intr ^- quit ^- erase ^- kill ^- eof ^- \
# eol ^- eol2 ^- swtch ^- start ^- stop ^- \
# susp ^- rprnt ^- werase ^- lnext ^- discard ^-
# ...good luck killing the program ;)
else # v1