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/*** /
This file is part of Golly, a Game of Life Simulator.
Copyright (C) 2009 Andrew Trevorrow and Tomas Rokicki.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
Web site: http://sourceforge.net/projects/golly
Authors: rokicki@gmail.com andrew@trevorrow.com
/ ***/
#include "qlifealgo.h"
#include "hlifealgo.h"
#include "jvnalgo.h"
#include "ruletable_algo.h"
#include "ruletreealgo.h"
#include "generationsalgo.h"
#include "readpattern.h"
#include "util.h"
#include "viewport.h"
#include "liferender.h"
#include "writepattern.h"
#include <cstdlib>
#include <string.h>
#include <stdlib.h>
#include <iostream>
#include <cstdio>
#include <string.h>
#include <cstdlib>
using namespace std ;
viewport viewport(1000, 1000) ;
/*
* This is a "renderer" that is just stubs, for performance testing.
*/
class nullrender : public liferender {
public:
nullrender() {}
virtual ~nullrender() {}
virtual void killrect(int, int, int, int) {}
virtual void pixblit(int, int, int, int, char*, int) {}
virtual void getcolors(unsigned char**, unsigned char**, unsigned char**) {}
} ;
nullrender renderer ;
/*
* This is a "lifeerrors" that we can use to test some edge
* conditions. In this case the only real thing we use
* it for is to check rendering during a progress dialog.
*/
class nullerrors : public lifeerrors {
public:
nullerrors() {}
virtual void fatal(const char *) {}
virtual void warning(const char *) {}
virtual void status(const char *) {}
virtual void beginprogress(const char *s) { abortprogress(0, s) ; }
virtual bool abortprogress(double, const char *) ;
virtual void endprogress() { abortprogress(1, "") ; }
virtual const char* getuserrules() { return "" ; }
virtual const char* getrulesdir() { return "Rules/" ; }
} ;
nullerrors nullerror ;
/*
* This is a "lifeerrors" that we can use to test some edge
* conditions. In this case the only real thing we use
* it for is to check rendering during a progress dialog.
*/
class verbosestatus : public lifeerrors {
public:
verbosestatus() {}
virtual void fatal(const char *) {}
virtual void warning(const char *) {}
virtual void status(const char *s) { cout << s << endl ; }
virtual void beginprogress(const char *) {}
virtual bool abortprogress(double, const char *) { return 0 ; }
virtual void endprogress() {}
virtual const char* getuserrules() { return "" ; }
virtual const char* getrulesdir() { return "Rules/" ; }
} ;
verbosestatus verbosestatus_instance ;
char *filename ;
lifealgo *imp = 0 ;
struct options {
const char *shortopt ;
const char *longopt ;
const char *desc ;
char opttype ;
void *data ;
} ;
bigint maxgen = -1, inc = 0 ;
int maxmem = 256 ;
int hyper, render, autofit, quiet, popcount, progress ;
int hashlife ;
char *algoName = (char *)"QuickLife" ;
int verbose ;
int stepthresh, stepfactor ;
char *liferule = 0 ;
char *outfilename = 0 ;
char *renderscale = (char *)"1" ;
char *testscript = 0 ;
int outputgzip, outputismc ;
int numberoffset ; // where to insert file name numbers
options options[] = {
{ "-m", "--generation", "How far to run", 'I', &maxgen },
{ "-i", "--stepsize", "Step size", 'I', &inc },
{ "-M", "--maxmemory", "Max memory to use in megabytes", 'i', &maxmem },
{ "-2", "--exponential", "Use exponentially increasing steps", 'b', &hyper },
{ "-q", "--quiet", "Don't show population; twice, don't show anything", 'b', &quiet },
{ "-r", "--rule", "Life rule to use", 's', &liferule },
{ "-h", "--hashlife", "Use Hashlife algorithm", 'b', &hashlife },
{ "-a", "--algorithm", "Select algorithm by name", 's', &algoName },
{ "-o", "--output", "Output file (*.rle, *.mc, *.rle.gz, *.mc.gz)", 's',
&outfilename },
{ "-v", "--verbose", "Verbose", 'b', &verbose },
{ "", "--render", "Render (benchmarking)", 'b', &render },
{ "", "--progress", "Render during progress dialog (debugging)", 'b', &progress },
{ "", "--popcount", "Popcount (benchmarking)", 'b', &popcount },
{ "", "--scale", "Rendering scale", 's', &renderscale },
//{ "", "--stepthreshold", "Stepsize >= gencount/this (default 1)",
// 'i', &stepthresh },
//{ "", "--stepfactor", "How much to scale step by (default 2)",
// 'i', &stepfactor },
{ "", "--autofit", "Autofit before each render", 'b', &autofit },
{ "", "--exec", "Run testing script", 's', &testscript },
{ 0, 0, 0, 0, 0 }
} ;
int endswith(const char *s, const char *suff) {
int off = strlen(s) - strlen(suff) ;
if (off <= 0)
return 0 ;
s += off ;
while (*s)
if (tolower(*s++) != tolower(*suff++))
return 0 ;
numberoffset = off ;
return 1 ;
}
void usage(const char *s) {
fprintf(stderr, "Usage: bgolly [options] patternfile\n") ;
for (int i=0; options[i].shortopt; i++)
fprintf(stderr, "%3s %-15s %s\n", options[i].shortopt, options[i].longopt,
options[i].desc) ;
if (s)
lifefatal(s) ;
exit(0) ;
}
#define STRINGIFY(ARG) STR2(ARG)
#define STR2(ARG) #ARG
#define MAXRLE 1000000000
void writepat(int fc) {
char *thisfilename = outfilename ;
char tmpfilename[256] ;
if (fc >= 0) {
strcpy(tmpfilename, outfilename) ;
char *p = tmpfilename + numberoffset ;
*p++ = '-' ;
sprintf(p, "%d", fc) ;
p += strlen(p) ;
strcpy(p, outfilename + numberoffset) ;
thisfilename = tmpfilename ;
}
cerr << "(->" << thisfilename << flush ;
const char *err ;
if (outputismc) {
FILE *f = fopen(thisfilename, "w") ;
if (f == 0)
lifefatal("Cannot open file for writing") ;
err = imp->writeNativeFormat(f, NULL) ; // NULL means no comments
fclose(f) ;
} else {
bigint t, l, b, r ;
imp->findedges(&t, &l, &b, &r) ;
if (t < -MAXRLE || l < -MAXRLE || b > MAXRLE || r > MAXRLE)
lifefatal("Pattern too large to write in RLE format") ;
err = writepattern(thisfilename, *imp, RLE_format,
t.toint(), l.toint(), b.toint(), r.toint()) ;
}
if (err != 0)
lifewarning(err) ;
cerr << ")" << flush ;
}
const int MAXCMDLENGTH = 2048 ;
struct cmdbase {
cmdbase(const char *cmdarg, const char *argsarg) {
verb = cmdarg ;
args = argsarg ;
next = list ;
list = this ;
}
const char *verb ;
const char *args ;
int iargs[4] ;
char *sarg ;
bigint barg ;
virtual void doit() {}
// for convenience, we put the generic loop here that takes a
// 4x bounding box and runs getnext on all y values until
// they are done. Input is assumed to be a bounding box in the
// form minx miny maxx maxy
void runnextloop() {
int minx = iargs[0] ;
int miny = iargs[1] ;
int maxx = iargs[2] ;
int maxy = iargs[3] ;
int v ;
for (int y=miny; y<=maxy; y++) {
for (int x=minx; x<=maxx; x++) {
int dx = imp->nextcell(x, y, v) ;
if (dx < 0)
break ;
if (x > 0 && (x + dx) < 0)
break ;
x += dx ;
if (x > maxx)
break ;
nextloopinner(x, y) ;
}
}
}
virtual void nextloopinner(int, int) {}
int parseargs(const char *cmdargs) {
int iargn = 0 ;
char sbuf[MAXCMDLENGTH+2] ;
for (const char *rargs = args; *rargs; rargs++) {
while (*cmdargs && *cmdargs <= ' ')
cmdargs++ ;
if (*cmdargs == 0) {
lifewarning("Missing needed argument") ;
return 0 ;
}
switch (*rargs) {
case 'i':
if (sscanf(cmdargs, "%d", iargs+iargn) != 1) {
lifewarning("Missing needed integer argument") ;
return 0 ;
}
iargn++ ;
break ;
case 'b':
{
int i = 0 ;
for (i=0; cmdargs[i] > ' '; i++)
sbuf[i] = cmdargs[i] ;
sbuf[i] = 0 ;
barg = bigint(sbuf) ;
}
break ;
case 's':
if (sscanf(cmdargs, "%s", sbuf) != 1) {
lifewarning("Missing needed string argument") ;
return 0 ;
}
sarg = strdup(sbuf) ;
break ;
default:
lifefatal("Internal error in parseargs") ;
}
while (*cmdargs && *cmdargs > ' ')
cmdargs++ ;
}
return 1 ;
}
static void docmd(const char *cmdline) {
for (cmdbase *cmd=list; cmd; cmd = cmd->next)
if (strncmp(cmdline, cmd->verb, strlen(cmd->verb)) == 0 &&
cmdline[strlen(cmd->verb)] <= ' ') {
if (cmd->parseargs(cmdline+strlen(cmd->verb))) {
cmd->doit() ;
}
return ;
}
lifewarning("Didn't understand command") ;
}
cmdbase *next ;
virtual ~cmdbase() {}
static cmdbase *list ;
} ;
cmdbase *cmdbase::list = 0 ;
struct loadcmd : public cmdbase {
loadcmd() : cmdbase("load", "s") {}
virtual void doit() {
const char *err = readpattern(sarg, *imp) ;
if (err != 0)
lifewarning(err) ;
}
} load_inst ;
struct stepcmd : public cmdbase {
stepcmd() : cmdbase("step", "b") {}
virtual void doit() {
imp->setIncrement(barg) ;
imp->step() ;
cout << imp->getGeneration().tostring() << ": " ;
cout << imp->getPopulation().tostring() << endl ;
}
} step_inst ;
struct showcmd : public cmdbase {
showcmd() : cmdbase("show", "") {}
virtual void doit() {
cout << imp->getGeneration().tostring() << ": " ;
cout << imp->getPopulation().tostring() << endl ;
}
} show_inst ;
struct quitcmd : public cmdbase {
quitcmd() : cmdbase("quit", "") {}
virtual void doit() {
cout << "Buh-bye!" << endl ;
exit(10) ;
}
} quit_inst ;
struct setcmd : public cmdbase {
setcmd() : cmdbase("set", "ii") {}
virtual void doit() {
imp->setcell(iargs[0], iargs[1], 1) ;
}
} set_inst ;
struct unsetcmd : public cmdbase {
unsetcmd() : cmdbase("unset", "ii") {}
virtual void doit() {
imp->setcell(iargs[0], iargs[1], 0) ;
}
} unset_inst ;
struct helpcmd : public cmdbase {
helpcmd() : cmdbase("help", "") {}
virtual void doit() {
for (cmdbase *cmd=list; cmd; cmd = cmd->next)
cout << cmd->verb << " " << cmd->args << endl ;
}
} help_inst ;
struct getcmd : public cmdbase {
getcmd() : cmdbase("get", "ii") {}
virtual void doit() {
cout << "At " << iargs[0] << "," << iargs[1] << " -> " <<
imp->getcell(iargs[0], iargs[1]) << endl ;
}
} get_inst ;
struct getnextcmd : public cmdbase {
getnextcmd() : cmdbase("getnext", "ii") {}
virtual void doit() {
int v ;
cout << "At " << iargs[0] << "," << iargs[1] << " next is " <<
imp->nextcell(iargs[0], iargs[1], v) << endl ;
}
} getnext_inst ;
vector<pair<int, int> > cutbuf ;
struct copycmd : public cmdbase {
copycmd() : cmdbase("copy", "iiii") {}
virtual void nextloopinner(int x, int y) {
cutbuf.push_back(make_pair(x-iargs[0], y-iargs[1])) ;
}
virtual void doit() {
cutbuf.clear() ;
runnextloop() ;
cout << cutbuf.size() << " pixels copied." << endl ;
}
} copy_inst ;
struct cutcmd : public cmdbase {
cutcmd() : cmdbase("cut", "iiii") {}
virtual void nextloopinner(int x, int y) {
cutbuf.push_back(make_pair(x-iargs[0], y-iargs[1])) ;
imp->setcell(x, y, 0) ;
}
virtual void doit() {
cutbuf.clear() ;
runnextloop() ;
cout << cutbuf.size() << " pixels cut." << endl ;
}
} cut_inst ;
// this paste only sets cells, never clears cells
struct pastecmd : public cmdbase {
pastecmd() : cmdbase("paste", "ii") {}
virtual void doit() {
for (unsigned int i=0; i<cutbuf.size(); i++)
imp->setcell(cutbuf[i].first, cutbuf[i].second, 1) ;
cout << cutbuf.size() << " pixels pasted." << endl ;
}
} paste_inst ;
struct showcutcmd : public cmdbase {
showcutcmd() : cmdbase("showcut", "") {}
virtual void doit() {
for (unsigned int i=0; i<cutbuf.size(); i++)
cout << cutbuf[i].first << " " << cutbuf[i].second << endl ;
}
} showcut_inst ;
lifealgo *createUniverse() {
if (algoName == 0) {
if (hashlife)
algoName = (char *)"HashLife" ;
else
algoName = (char *)"QuickLife" ;
}
staticAlgoInfo *ai = staticAlgoInfo::byName(algoName) ;
if (ai == 0)
lifefatal("No such algorithm") ;
lifealgo *imp = (ai->creator)() ;
if (imp == 0)
lifefatal("Could not create universe") ;
imp->setMaxMemory(maxmem) ;
return imp ;
}
struct newcmd : public cmdbase {
newcmd() : cmdbase("new", "") {}
virtual void doit() {
if (imp != 0)
delete imp ;
imp = createUniverse() ;
}
} new_inst ;
struct sethashingcmd : public cmdbase {
sethashingcmd() : cmdbase("sethashing", "i") {}
virtual void doit() {
hashlife = iargs[0] ;
}
} sethashing_inst ;
struct setmaxmemcmd : public cmdbase {
setmaxmemcmd() : cmdbase("setmaxmem", "i") {}
virtual void doit() {
maxmem = iargs[0] ;
}
} setmaxmem_inst ;
struct setalgocmd : public cmdbase {
setalgocmd() : cmdbase("setalgo", "s") {}
virtual void doit() {
algoName = sarg ;
}
} setalgocmd_inst ;
struct edgescmd : public cmdbase {
edgescmd() : cmdbase("edges", "") {}
virtual void doit() {
bigint t, l, b, r ;
imp->findedges(&t, &l, &b, &r) ;
cout << "Bounding box " << l.tostring() ;
cout << " " << t.tostring() ;
cout << " .. " << r.tostring() ;
cout << " " << b.tostring() << endl ;
}
} edges_inst ;
bool nullerrors::abortprogress(double, const char *) {
imp->draw(viewport, renderer) ;
return 0 ;
}
void runtestscript(const char *testscript) {
FILE *cmdfile = 0 ;
if (strcmp(testscript, "-") != 0)
cmdfile = fopen(testscript, "r") ;
else
cmdfile = stdin ;
char cmdline[MAXCMDLENGTH + 10] ;
if (cmdfile == 0)
lifefatal("Cannot open testscript") ;
for (;;) {
cerr << flush ;
if (cmdfile == stdin)
cout << "bgolly> " << flush ;
else
cout << flush ;
if (fgets(cmdline, MAXCMDLENGTH, cmdfile) == 0)
break ;
cmdbase::docmd(cmdline) ;
}
exit(0) ;
}
int main(int argc, char *argv[]) {
cout <<
"This is bgolly " STRINGIFY(VERSION) " Copyright 2009 The Golly Gang."
<< endl << flush ;
qlifealgo::doInitializeAlgoInfo(staticAlgoInfo::tick()) ;
hlifealgo::doInitializeAlgoInfo(staticAlgoInfo::tick()) ;
jvnalgo::doInitializeAlgoInfo(staticAlgoInfo::tick()) ;
generationsalgo::doInitializeAlgoInfo(staticAlgoInfo::tick()) ;
ruletable_algo::doInitializeAlgoInfo(staticAlgoInfo::tick()) ;
ruletreealgo::doInitializeAlgoInfo(staticAlgoInfo::tick()) ;
while (argc > 1 && argv[1][0] == '-') {
argc-- ;
argv++ ;
char *opt = argv[0] ;
int hit = 0 ;
for (int i=0; options[i].shortopt; i++) {
if (strcmp(opt, options[i].shortopt) == 0 ||
strcmp(opt, options[i].longopt) == 0) {
switch (options[i].opttype) {
case 'i':
if (argc < 2)
lifefatal("Bad option argument") ;
*(int *)options[i].data = atol(argv[1]) ;
argc-- ;
argv++ ;
break ;
case 'I':
if (argc < 2)
lifefatal("Bad option argument") ;
*(bigint *)options[i].data = bigint(argv[1]) ;
argc-- ;
argv++ ;
break ;
case 'b':
(*(int *)options[i].data) += 1 ;
break ;
case 's':
if (argc < 2)
lifefatal("Bad option argument") ;
*(char **)options[i].data = argv[1] ;
argc-- ;
argv++ ;
break ;
}
hit++ ;
break ;
}
}
if (!hit)
usage("Bad option given") ;
}
if (argc < 2 && !testscript)
usage("No pattern argument given") ;
if (argc > 2)
usage("Extra stuff after pattern argument") ;
if (outfilename) {
if (endswith(outfilename, ".rle")) {
} else if (endswith(outfilename, ".mc")) {
outputismc = 1 ;
#ifdef ZLIB
} else if (endswith(outfilename, ".rle.gz")) {
outputgzip = 1 ;
} else if (endswith(outfilename, ".mc.gz")) {
outputismc = 1 ;
outputgzip = 1 ;
#endif
} else {
lifefatal("Output filename must end with .rle or .mc.") ;
}
if (outputgzip)
lifefatal("Gzipped output files not supported yet") ;
if (strlen(outfilename) > 200)
lifefatal("Output filename too long") ;
}
imp = createUniverse() ;
if (progress)
lifeerrors::seterrorhandler(&nullerror) ;
else if (verbose) {
lifeerrors::seterrorhandler(&verbosestatus_instance) ;
hlifealgo::setVerbose(1) ;
}
imp->setMaxMemory(maxmem) ;
if (testscript) {
if (argc > 1) {
filename = argv[1] ;
const char *err = readpattern(argv[1], *imp) ;
if (err)
lifefatal(err) ;
}
runtestscript(testscript) ;
}
filename = argv[1] ;
const char *err = readpattern(argv[1], *imp) ;
if (err)
lifefatal(err) ;
if (liferule)
imp->setrule(liferule) ;
if (inc != 0)
imp->setIncrement(inc) ;
int fc = 0 ;
for (;;) {
if (quiet < 2) {
cout << imp->getGeneration().tostring() ;
if (!quiet)
cout << ": " << imp->getPopulation().tostring() << endl ;
else
cout << endl ;
}
if (popcount)
imp->getPopulation() ;
if (autofit)
imp->fit(viewport, 1) ;
if (render)
imp->draw(viewport, renderer) ;
if (maxgen >= 0 && imp->getGeneration() >= maxgen)
break ;
if (!hyper && maxgen > 0 && inc == 0) {
bigint diff = maxgen ;
diff -= imp->getGeneration() ;
int bs = diff.lowbitset() ;
diff = 1 ;
diff <<= bs ;
imp->setIncrement(diff) ;
}
imp->step() ;
if (maxgen < 0 && outfilename != 0)
writepat(fc++) ;
if (hyper)
imp->setIncrement(imp->getGeneration()) ;
}
if (maxgen >= 0 && outfilename != 0)
writepat(-1) ;
exit(0) ;
}
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