mirror of https://github.com/dirtbags/tanks.git
Documentation and a little cleanup
This commit is contained in:
parent
fc98369eba
commit
e932242cfa
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@ -1,11 +1,17 @@
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*~
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*~
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*#
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*#
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*.o
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*.o
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round-*.html
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round-*.html
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next-round
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run-tanks
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run-tanks
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forf.c
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forf.c
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forf.h
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forf.h
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forf.html
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designer.cgi
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designer.cgi
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next-round
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forf.html
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summary.html
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summary.html
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designer.html
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intro.html
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procs.html
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@ -0,0 +1,73 @@
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History
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=======
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This is a port of the "Tanks" program written by Paul Ferrell
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|
<pflarr@clanspum.net> in 2009-2010. Paul created the entire game based
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|
off a brief description I provided him of Crobots and a vague desire to
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|
"make something fun for high school kids to learn some programming." We
|
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|
ran Paul's Tanks as part of a 100-attendee computer security contest in
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|
February of 2010 and by all accounts it was a huge success. It even
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|
made the nightly news.
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|
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Paul's version was written in Python and provided a custom language
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called "Bullet", which looked like this:
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|
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>addsensor(50, 0, 5, 1); # 0
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>addsensor(100, 90, 150, 1); # 1
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>addsensor(100, 270, 150, 1); # 2
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>addsensor(100, 0, 359, 0); # 3
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# Default movement if nothing is detected
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: move(70, 70) . turretccw();
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random(2, 3): move(40, 70) . turretccw();
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random(1, 3): move(70, 40) . turretccw();
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# We found something!!
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sense(3): move(0, 0);
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sense(1): turretcw();
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sense(2): turretccw();
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sense(0): fire();
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Nick Moffitt played with this original version and convinced me (Neale)
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that something like Forth would be a better language. I added some code
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to accept a scaled-down version of PostScript. The IRC channel we
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frequent collectively agreed to give this new language the derisive name
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"Forf", which should ideally be followed by punching someone after it is
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spoken aloud.
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I decided to take Tanks to Def Con in July 2010, and just for bragging
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|
rights, to have it run on an Asus WL-500gU. This is a $50 device with a
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|
240 MHz MIPS CPU, 16MB RAM, and a 4MB flash disk, along with an
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802.11b/g radio, 4-port 10/100 switch, and an additional 10/100 "uplink"
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|
port; it's sold as a home wireless router. I had originally intended to
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|
run it off a lantern battery just for fun, but eventually thought better
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|
of it: doing so would be wasteful for no good reason.
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Aaron McPhall <amcphall@mcphall.org>, my summer intern at the time, got
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OpenWRT and Python onto the box and benchmarked it at about 60 seconds
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|
for a 16-tank game, after he had profiled the code and optimized a lot
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of the math. That wasn't bad, it meant we could run a reasonably-sized
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|
game at one turn per minute, which we knew from past experience was
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about the right rate. But it required a USB thumb drive to hold Python,
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and when we used the Python Forf implementation, the run-time shot up to
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several minutes. I began this C port while Adam Glasgall, another fool
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|
on the previously-mentioned IRC channel, started work on a C version of
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|
a Forf interpreter.
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|
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|
This C version with Forf runs about 6 times faster than the Python
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|
version with Bullet, on the WL-500gU. A 1GHz Intel Atom runs a 16-tank
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game in about 0.2 seconds.
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|
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What's so great about Forf?
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---------------------------
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Nothing's great about Forf. It's a crummy language that only does
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integer math. For this application it's a good choice, for the
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|
following reasons:
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* No library dependencies, not even malloc
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* Runs in fixed size memory
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* Not Turing-complete, I think (impossible to make endless loops)
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* Lends itself to genetic algorithms
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10
Makefile
10
Makefile
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@ -1,7 +1,9 @@
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BINARIES = run-tanks designer.cgi
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HTML = forf.html procs.html intro.html designer.html
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CFLAGS = -Wall
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CFLAGS = -Wall
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all: html run-tanks designer.cgi
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all: $(BINARIES) $(HTML)
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html: forf.html procs.html intro.html
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run-tanks: run-tanks.o ctanks.o forf.o
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run-tanks: run-tanks.o ctanks.o forf.o
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run-tanks: LDFLAGS = -lm
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run-tanks: LDFLAGS = -lm
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@ -22,5 +24,5 @@ forf/%:
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git submodule update --init
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git submodule update --init
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clean:
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clean:
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rm -f run-tanks designer.cgi *.o forf.c forf.h
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rm -f *.o forf.c forf.h next-round round-*.html
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rm -f next-round round-*.html summary.html forf.html
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rm -f $(BINARIES) $(HTML)
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@ -0,0 +1,153 @@
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CTanks
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======
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This is a programming game, inspired by Crobots by Tom Poindexter
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(http://www.nyx.net/~tpoindex/crob.html). Players write programs for
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tanks, with the intent to seek out and destroy other tanks.
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Output is a JSON object, and some scripts are provided to wrap the
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object up in a web page.
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Included programs
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-----------------
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I tried to stick with the Unix philosophy of one program per task. I
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also tried to avoid doing any string processing in C. The result is a
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hodgepodge of C, Bourne shell, and awk, but at least each piece is
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fairly simple to audit.
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### round.sh tank1 tank2 ...
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Runs a single round, awards points with rank.awk, and creates a new
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summary.html with summary.awk. This is the main interface that you want
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to run from cron or whatever.
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### run-tanks tank1 tank2 ...
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A program to run a round of tanks and output a JSON description of the
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game. This is what tanks.js uses to render a game graphically.
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The object printed contains:
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[[game-width, game-height],
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[[tank1-color,
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[[sensor1range, sensor1angle, sensor1width, sensor1turret],
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...]],
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...],
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[[
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[tank1x, tank1y, tank1angle, tank1sensangle,
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tank1flags, tank1sensors],
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...],
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...]]
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If file descriptor 3 is open for writes, it also outputs the results of
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the round to fd3.
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### rank.awk
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Processes the fd3 output of run-tanks to award points and output an
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HTML results table.
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### summary.awk tank1 tank2
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Creates summary.html, linking to all rounds and showing overall
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standing.
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### designer.cgi
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Accepts form input and writes a tank.
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Building from source
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--------------------
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You should be able to just run "make". The C is supposedly ANSI C, and
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might even compile on Windows. I've built it on Linux, with glibc and
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uClibc, big- and little-endian.
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History
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|
-------
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|
|
||||||
|
This is a port of the "Tanks" program written by Paul Ferrell
|
||||||
|
<pflarr@clanspum.net> in 2009-2010. Paul created the entire game based
|
||||||
|
off a brief description I provided him of Crobots and a vague desire to
|
||||||
|
"make something fun for high school kids to learn some programming." We
|
||||||
|
ran Paul's Tanks as part of a 100-attendee computer security contest in
|
||||||
|
February of 2010 and by all accounts it was a huge success. It even
|
||||||
|
made the nightly news.
|
||||||
|
|
||||||
|
Paul's version was written in Python and provided a custom language
|
||||||
|
called "Bullet", which looked like this:
|
||||||
|
|
||||||
|
>addsensor(50, 0, 5, 1); # 0
|
||||||
|
>addsensor(100, 90, 150, 1); # 1
|
||||||
|
>addsensor(100, 270, 150, 1); # 2
|
||||||
|
>addsensor(100, 0, 359, 0); # 3
|
||||||
|
|
||||||
|
# Default movement if nothing is detected
|
||||||
|
: move(70, 70) . turretccw();
|
||||||
|
random(2, 3): move(40, 70) . turretccw();
|
||||||
|
random(1, 3): move(70, 40) . turretccw();
|
||||||
|
|
||||||
|
# We found something!!
|
||||||
|
sense(3): move(0, 0);
|
||||||
|
sense(1): turretcw();
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||||||
|
sense(2): turretccw();
|
||||||
|
sense(0): fire();
|
||||||
|
|
||||||
|
Nick Moffitt played with this original version and convinced me (Neale)
|
||||||
|
that something like Forth would be a better language. I added some code
|
||||||
|
to accept a scaled-down version of PostScript. The IRC channel we
|
||||||
|
frequent collectively agreed to give this new language the derisive name
|
||||||
|
"Forf", which should ideally be followed by punching someone after it is
|
||||||
|
spoken aloud.
|
||||||
|
|
||||||
|
I decided to take Tanks to Def Con in July 2010, and just for bragging
|
||||||
|
rights, to have it run on an Asus WL-500gU. This is a $50 device with a
|
||||||
|
240 MHz MIPS CPU, 16MB RAM, and a 4MB flash disk, along with an
|
||||||
|
802.11b/g radio, 4-port 10/100 switch, and an additional 10/100 "uplink"
|
||||||
|
port; it's sold as a home wireless router. I had originally intended to
|
||||||
|
run it off a lantern battery just for fun, but eventually thought better
|
||||||
|
of it: doing so would be wasteful for no good reason.
|
||||||
|
|
||||||
|
Aaron McPhall <amcphall@mcphall.org>, my summer intern at the time, got
|
||||||
|
OpenWRT and Python onto the box and benchmarked it at about 60 seconds
|
||||||
|
for a 16-tank game, after he had profiled the code and optimized a lot
|
||||||
|
of the math. That wasn't bad, it meant we could run a reasonably-sized
|
||||||
|
game at one turn per minute, which we knew from past experience was
|
||||||
|
about the right rate. But it required a USB thumb drive to hold Python,
|
||||||
|
and when we used the Python Forf implementation, the run-time shot up to
|
||||||
|
several minutes. I began this C port while Adam Glasgall, another fool
|
||||||
|
on the previously-mentioned IRC channel, started work on a C version of
|
||||||
|
a Forf interpreter.
|
||||||
|
|
||||||
|
This C version with Forf runs about 6 times faster than the Python
|
||||||
|
version with Bullet, on the WL-500gU. A 1GHz Intel Atom runs a 16-tank
|
||||||
|
game in about 0.2 seconds.
|
||||||
|
|
||||||
|
|
||||||
|
What's so great about Forf?
|
||||||
|
---------------------------
|
||||||
|
|
||||||
|
Nothing's great about Forf. It's a crummy language that only does
|
||||||
|
integer math. For this application it's a good choice, for the
|
||||||
|
following reasons:
|
||||||
|
|
||||||
|
* No library dependencies, not even malloc
|
||||||
|
* Runs in fixed size memory
|
||||||
|
* Not Turing-complete, I think (impossible to make endless loops)
|
||||||
|
* Lends itself to genetic algorithms
|
||||||
|
|
||||||
|
|
||||||
|
Author
|
||||||
|
------
|
||||||
|
|
||||||
|
Neale Pickett <neale@woozle.org>
|
||||||
156
designer.html
156
designer.html
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@ -1,156 +0,0 @@
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||||||
<!DOCTYPE html>
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|
||||||
<html>
|
|
||||||
<head>
|
|
||||||
<title>Tank Designer</title>
|
|
||||||
<link rel="stylesheet" href="dirtbags.css" type="text/css">
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|
||||||
<style type="text/css">
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|
||||||
#preview {
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|
||||||
float: right;
|
|
||||||
}
|
|
||||||
#sensors input {
|
|
||||||
width: 5em;
|
|
||||||
}
|
|
||||||
#program textarea {
|
|
||||||
width: 100%;
|
|
||||||
min-height: 20em;
|
|
||||||
}
|
|
||||||
td {
|
|
||||||
text-align: left;
|
|
||||||
}
|
|
||||||
</style>
|
|
||||||
<script type="application/javascript" src="tanks.js"></script>
|
|
||||||
<script type="application/javascript" src="designer.js"></script>
|
|
||||||
<script type="application/javascript">
|
|
||||||
window.onload = design;
|
|
||||||
</script>
|
|
||||||
</head>
|
|
||||||
<body>
|
|
||||||
<h1>Tank Designer</h1>
|
|
||||||
<div id="preview"><canvas id="design"></canvas><p id="debug"></p></div>
|
|
||||||
|
|
||||||
<p>
|
|
||||||
Before you can get going with a tank, you need a token. If you
|
|
||||||
need a token, just ask one of the dirtbags.
|
|
||||||
</p>
|
|
||||||
|
|
||||||
<form action="designer.cgi" method="post">
|
|
||||||
<fieldset id="metadata">
|
|
||||||
<legend>Information</legend>
|
|
||||||
<table>
|
|
||||||
<tr>
|
|
||||||
<td>Token:</td>
|
|
||||||
<td><input name="token"></td>
|
|
||||||
</tr>
|
|
||||||
<tr>
|
|
||||||
<td>Tank name:</td>
|
|
||||||
<td><input name="name"></td>
|
|
||||||
</tr>
|
|
||||||
<tr>
|
|
||||||
<td>Author:</td>
|
|
||||||
<td><input name="author"> (eg. Joe Cool
|
|
||||||
<joe@cool.cc>)</td>
|
|
||||||
</tr>
|
|
||||||
<tr>
|
|
||||||
<td>Color:</td>
|
|
||||||
<td><input name="color" type="color" value="#c0c0c0"
|
|
||||||
onchange="update();"> (eg. #c7e148)</td>
|
|
||||||
</tr>
|
|
||||||
</table>
|
|
||||||
</fieldset>
|
|
||||||
|
|
||||||
<fieldset id="sensors">
|
|
||||||
<legend>Sensors</legend>
|
|
||||||
<table>
|
|
||||||
<thead>
|
|
||||||
<tr>
|
|
||||||
<td>#</td>
|
|
||||||
<td>Range</td>
|
|
||||||
<td>Angle</td>
|
|
||||||
<td>Width</td>
|
|
||||||
<td>Turret?</td>
|
|
||||||
</tr>
|
|
||||||
</thead>
|
|
||||||
<tbody>
|
|
||||||
<tr>
|
|
||||||
<td>0</td>
|
|
||||||
<td><input name="s0r" type="number" min="0" max="100" onchange="update();"></td>
|
|
||||||
<td><input name="s0a" type="number" min="0" max="360" onchange="update();"></td>
|
|
||||||
<td><input name="s0w" type="number" min="0" max="360" onchange="update();"></td>
|
|
||||||
<td><input name="s0t" type="checkbox" onchange="update();"></td>
|
|
||||||
</tr>
|
|
||||||
<tr>
|
|
||||||
<td>1</td>
|
|
||||||
<td><input name="s1r" type="number" min="0" max="100" onchange="update();"></td>
|
|
||||||
<td><input name="s1a" type="number" min="0" max="360" onchange="update();"></td>
|
|
||||||
<td><input name="s1w" type="number" min="0" max="360" onchange="update();"></td>
|
|
||||||
<td><input name="s1t" type="checkbox" onchange="update();"></td>
|
|
||||||
</tr>
|
|
||||||
<tr>
|
|
||||||
<td>2</td>
|
|
||||||
<td><input name="s2r" type="number" min="0" max="100" onchange="update();"></td>
|
|
||||||
<td><input name="s2a" type="number" min="0" max="360" onchange="update();"></td>
|
|
||||||
<td><input name="s2w" type="number" min="0" max="360" onchange="update();"></td>
|
|
||||||
<td><input name="s2t" type="checkbox" onchange="update();"></td>
|
|
||||||
</tr>
|
|
||||||
<tr>
|
|
||||||
<td>3</td>
|
|
||||||
<td><input name="s3r" type="number" min="0" max="100" onchange="update();"></td>
|
|
||||||
<td><input name="s3a" type="number" min="0" max="360" onchange="update();"></td>
|
|
||||||
<td><input name="s3w" type="number" min="0" max="360" onchange="update();"></td>
|
|
||||||
<td><input name="s3t" type="checkbox" onchange="update();"></td>
|
|
||||||
</tr>
|
|
||||||
<tr>
|
|
||||||
<td>4</td>
|
|
||||||
<td><input name="s4r" type="number" min="0" max="100" onchange="update();"></td>
|
|
||||||
<td><input name="s4a" type="number" min="0" max="360" onchange="update();"></td>
|
|
||||||
<td><input name="s4w" type="number" min="0" max="360" onchange="update();"></td>
|
|
||||||
<td><input name="s4t" type="checkbox" onchange="update();"></td>
|
|
||||||
</tr>
|
|
||||||
<tr>
|
|
||||||
<td>5</td>
|
|
||||||
<td><input name="s5r" type="number" min="0" max="100" onchange="update();"></td>
|
|
||||||
<td><input name="s5a" type="number" min="0" max="360" onchange="update();"></td>
|
|
||||||
<td><input name="s5w" type="number" min="0" max="360" onchange="update();"></td>
|
|
||||||
<td><input name="s5t" type="checkbox" onchange="update();"></td>
|
|
||||||
</tr>
|
|
||||||
<tr>
|
|
||||||
<td>6</td>
|
|
||||||
<td><input name="s6r" type="number" min="0" max="100" onchange="update();"></td>
|
|
||||||
<td><input name="s6a" type="number" min="0" max="360" onchange="update();"></td>
|
|
||||||
<td><input name="s6w" type="number" min="0" max="360" onchange="update();"></td>
|
|
||||||
<td><input name="s6t" type="checkbox" onchange="update();"></td>
|
|
||||||
</tr>
|
|
||||||
<tr>
|
|
||||||
<td>7</td>
|
|
||||||
<td><input name="s7r" type="number" min="0" max="100" onchange="update();"></td>
|
|
||||||
<td><input name="s7a" type="number" min="0" max="360" onchange="update();"></td>
|
|
||||||
<td><input name="s7w" type="number" min="0" max="360" onchange="update();"></td>
|
|
||||||
<td><input name="s7t" type="checkbox" onchange="update();"></td>
|
|
||||||
</tr>
|
|
||||||
<tr>
|
|
||||||
<td>8</td>
|
|
||||||
<td><input name="s8r" type="number" min="0" max="100" onchange="update();"></td>
|
|
||||||
<td><input name="s8a" type="number" min="0" max="360" onchange="update();"></td>
|
|
||||||
<td><input name="s8w" type="number" min="0" max="360" onchange="update();"></td>
|
|
||||||
<td><input name="s8t" type="checkbox" onchange="update();"></td>
|
|
||||||
</tr>
|
|
||||||
<tr>
|
|
||||||
<td>9</td>
|
|
||||||
<td><input name="s9r" type="number" min="0" max="100" onchange="update();"></td>
|
|
||||||
<td><input name="s9a" type="number" min="0" max="360" onchange="update();"></td>
|
|
||||||
<td><input name="s9w" type="number" min="0" max="360" onchange="update();"></td>
|
|
||||||
<td><input name="s9t" type="checkbox" onchange="update();"></td>
|
|
||||||
</tr>
|
|
||||||
</tbody>
|
|
||||||
</table>
|
|
||||||
</fieldset>
|
|
||||||
|
|
||||||
<fieldset id="program">
|
|
||||||
<legend>Program</legend>
|
|
||||||
<textarea name="program"></textarea>
|
|
||||||
</fieldset>
|
|
||||||
|
|
||||||
<input type="submit" value="Submit">
|
|
||||||
</form>
|
|
||||||
</body>
|
|
||||||
</html>
|
|
||||||
|
|
@ -0,0 +1,98 @@
|
||||||
|
<!DOCTYPE html>
|
||||||
|
<html>
|
||||||
|
<head>
|
||||||
|
<title>Tank Designer</title>
|
||||||
|
<link rel="stylesheet" href="dirtbags.css" type="text/css">
|
||||||
|
<style type="text/css">
|
||||||
|
#preview {
|
||||||
|
float: right;
|
||||||
|
}
|
||||||
|
#sensors input {
|
||||||
|
width: 5em;
|
||||||
|
}
|
||||||
|
#program textarea {
|
||||||
|
width: 100%;
|
||||||
|
min-height: 20em;
|
||||||
|
}
|
||||||
|
td {
|
||||||
|
text-align: left;
|
||||||
|
}
|
||||||
|
</style>
|
||||||
|
<script type="application/javascript" src="tanks.js"></script>
|
||||||
|
<script type="application/javascript" src="designer.js"></script>
|
||||||
|
<script type="application/javascript">
|
||||||
|
window.onload = design;
|
||||||
|
</script>
|
||||||
|
</head>
|
||||||
|
<body>
|
||||||
|
<h1>Tank Designer</h1>
|
||||||
|
<div id="preview"><canvas id="design"></canvas><p id="debug"></p></div>
|
||||||
|
|
||||||
|
<p>
|
||||||
|
Before you can get going with a tank, you need a password. If you
|
||||||
|
need a password, just ask one of the dirtbags.
|
||||||
|
</p>
|
||||||
|
|
||||||
|
<form action="designer.cgi" method="post">
|
||||||
|
<fieldset id="metadata">
|
||||||
|
<legend>Information</legend>
|
||||||
|
<table>
|
||||||
|
<tr>
|
||||||
|
<td>Token:</td>
|
||||||
|
<td><input name="token"></td>
|
||||||
|
</tr>
|
||||||
|
<tr>
|
||||||
|
<td>Tank name:</td>
|
||||||
|
<td><input name="name"></td>
|
||||||
|
</tr>
|
||||||
|
<tr>
|
||||||
|
<td>Author:</td>
|
||||||
|
<td><input name="author"> (eg. Joe Cool
|
||||||
|
<joe@cool.cc>)</td>
|
||||||
|
</tr>
|
||||||
|
<tr>
|
||||||
|
<td>Color:</td>
|
||||||
|
<td><input name="color" type="color" value="#c0c0c0"
|
||||||
|
onchange="update();"> (eg. #c7e148)</td>
|
||||||
|
</tr>
|
||||||
|
</table>
|
||||||
|
</fieldset>
|
||||||
|
|
||||||
|
<fieldset id="sensors">
|
||||||
|
<legend>Sensors</legend>
|
||||||
|
<table>
|
||||||
|
<thead>
|
||||||
|
<tr>
|
||||||
|
<td>#</td>
|
||||||
|
<td>Range</td>
|
||||||
|
<td>Angle</td>
|
||||||
|
<td>Width</td>
|
||||||
|
<td>Turret?</td>
|
||||||
|
</tr>
|
||||||
|
</thead>
|
||||||
|
<tbody>
|
||||||
|
define(sensor,
|
||||||
|
`ifelse(`$1',`10',,`
|
||||||
|
<tr>
|
||||||
|
<td>$1</td>
|
||||||
|
<td><input name="s$1r" type="number" min="0" max="100" onchange="update();"></td>
|
||||||
|
<td><input name="s$1a" type="number" min="0" max="360" onchange="update();"></td>
|
||||||
|
<td><input name="s$1w" type="number" min="0" max="360" onchange="update();"></td>
|
||||||
|
<td><input name="s$1t" type="checkbox" onchange="update();"></td>
|
||||||
|
</tr>
|
||||||
|
sensor(incr($1))')')
|
||||||
|
sensor(0)
|
||||||
|
</tbody>
|
||||||
|
</table>
|
||||||
|
</fieldset>
|
||||||
|
|
||||||
|
<fieldset id="program">
|
||||||
|
<legend>Program</legend>
|
||||||
|
<textarea name="program"></textarea>
|
||||||
|
</fieldset>
|
||||||
|
|
||||||
|
<input type="submit" value="Submit">
|
||||||
|
</form>
|
||||||
|
include(nav.html.inc)
|
||||||
|
</body>
|
||||||
|
</html>
|
||||||
|
|
@ -353,8 +353,8 @@ print_header(FILE *f,
|
||||||
{
|
{
|
||||||
int i, j;
|
int i, j;
|
||||||
|
|
||||||
fprintf(f, "[[%d,%d,%d],[\n",
|
fprintf(f, "[[%d,%d],[\n",
|
||||||
(int)game->size[0], (int)game->size[1], TANK_CANNON_RANGE);
|
(int)game->size[0], (int)game->size[1]);
|
||||||
for (i = 0; i < ntanks; i += 1) {
|
for (i = 0; i < ntanks; i += 1) {
|
||||||
fprintf(f, " [\"%s\",[", forftanks[i].color);
|
fprintf(f, " [\"%s\",[", forftanks[i].color);
|
||||||
for (j = 0; j < TANK_MAX_SENSORS; j += 1) {
|
for (j = 0; j < TANK_MAX_SENSORS; j += 1) {
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue