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raze-gles/polymer/eduke32/source/grpscan.c
hendricks266 6ed8f27e77 Expand the grpinfo feature to allow defining GRPs requiring NAM, NAPALM, or WWII GI. 
git-svn-id: https://svn.eduke32.com/eduke32@5050 1a8010ca-5511-0410-912e-c29ae57300e0
2015-03-08 07:59:03 +00:00

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//-------------------------------------------------------------------------
/*
Copyright (C) 2010 EDuke32 developers and contributors
This file is part of EDuke32.
EDuke32 is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License version 2
as published by the Free Software Foundation.
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.
*/
//-------------------------------------------------------------------------
#include "compat.h"
#include "baselayer.h"
#include "scriptfile.h"
#include "cache1d.h"
#include "crc32.h"
#include "duke3d.h"
#include "common_game.h"
#include "grpscan.h"
// custom GRP support for the startup window, file format reflects the structure below
#define GAMELISTFILE "games.list"
// name crc size flags dependency scriptname defname
struct grpfile internalgrpfiles[NUMGRPFILES] =
{
{ "Duke Nukem 3D", DUKE13_CRC, 26524524, GAMEFLAG_DUKE, 0, NULL, NULL, NULL },
{ "Duke Nukem 3D (South Korean Censored)", DUKEKR_CRC, 26385383, GAMEFLAG_DUKE, 0, NULL, NULL, NULL },
{ "Duke Nukem 3D: Atomic Edition", DUKE15_CRC, 44356548, GAMEFLAG_DUKE, 0, NULL, NULL, NULL },
{ "Duke Nukem 3D: Plutonium Pak", DUKEPP_CRC, 44348015, GAMEFLAG_DUKE, 0, NULL, NULL, NULL },
{ "Duke Nukem 3D Shareware 0.99", DUKE099_CRC, 9690241, GAMEFLAG_DUKE|GAMEFLAG_DUKEBETA, 0, NULL, NULL, NULL },
{ "Duke Nukem 3D Shareware 1.0", DUKE10_CRC, 10429258, GAMEFLAG_DUKE|GAMEFLAG_SHAREWARE, 0, NULL, NULL, NULL },
{ "Duke Nukem 3D Shareware 1.1", DUKE11_CRC, 10442980, GAMEFLAG_DUKE|GAMEFLAG_SHAREWARE, 0, NULL, NULL, NULL },
{ "Duke Nukem 3D Shareware 1.3D", DUKESW_CRC, 11035779, GAMEFLAG_DUKE|GAMEFLAG_SHAREWARE, 0, NULL, NULL, NULL },
{ "Duke Nukem 3D Mac Demo", DUKEMD_CRC, 10444391, GAMEFLAG_DUKE|GAMEFLAG_SHAREWARE, 0, NULL, NULL, NULL },
{ "Duke it out in D.C.", DUKEDC_CRC, 8410183 , GAMEFLAG_DUKE|GAMEFLAG_ADDON, DUKE15_CRC, NULL, NULL, NULL },
{ "Duke Caribbean: Life's a Beach", DUKECB_CRC, 22213819, GAMEFLAG_DUKE|GAMEFLAG_ADDON, DUKE15_CRC, NULL, NULL, NULL },
{ "Duke: Nuclear Winter", DUKENW_CRC, 16169365, GAMEFLAG_DUKE|GAMEFLAG_ADDON|GAMEFLAG_NWINTER, DUKE15_CRC, "NWINTER.CON", NULL, NULL },
{ "NAM", NAM_CRC, 43448927, GAMEFLAG_NAM, 0, NULL, NULL, NULL },
{ "NAPALM", NAPALM_CRC, 44365728, GAMEFLAG_NAM|GAMEFLAG_NAPALM, 0, NULL, NULL, NULL },
{ "WWII GI", WW2GI_CRC, 77939508, GAMEFLAG_WW2GI|GAMEFLAG_NAM, 0, NULL, NULL, NULL },
};
struct grpfile *foundgrps = NULL;
struct grpfile *listgrps = NULL;
static void LoadList(const char * filename)
{
struct grpfile *fg;
char *grpend = NULL;
scriptfile *script = scriptfile_fromfile(filename);
if (!script)
return;
scriptfile_addsymbolvalue("GAMEFLAG_DUKE", GAMEFLAG_DUKE);
scriptfile_addsymbolvalue("GAMEFLAG_ADDON", GAMEFLAG_DUKE|GAMEFLAG_ADDON);
scriptfile_addsymbolvalue("GAMEFLAG_NAM", GAMEFLAG_NAM);
scriptfile_addsymbolvalue("GAMEFLAG_NAPALM", GAMEFLAG_NAM|GAMEFLAG_NAPALM);
scriptfile_addsymbolvalue("GAMEFLAG_WW2GI", GAMEFLAG_NAM|GAMEFLAG_WW2GI);
scriptfile_addsymbolvalue("DUKE15_CRC", DUKE15_CRC);
scriptfile_addsymbolvalue("DUKEPP_CRC", DUKEPP_CRC);
scriptfile_addsymbolvalue("DUKE13_CRC", DUKE13_CRC);
scriptfile_addsymbolvalue("DUKEDC_CRC", DUKEDC_CRC);
scriptfile_addsymbolvalue("DUKECB_CRC", DUKECB_CRC);
scriptfile_addsymbolvalue("DUKENW_CRC", DUKENW_CRC);
scriptfile_addsymbolvalue("NAM_CRC", NAM_CRC);
scriptfile_addsymbolvalue("NAPALM_CRC", NAPALM_CRC);
scriptfile_addsymbolvalue("WW2GI_CRC", WW2GI_CRC);
while (!scriptfile_eof(script))
{
enum
{
T_GRPINFO,
T_GAMENAME,
T_CRC,
T_SIZE,
T_DEPCRC,
T_SCRIPTNAME,
T_DEFNAME,
T_FLAGS,
};
static const tokenlist profiletokens[] =
{
{ "grpinfo", T_GRPINFO },
};
int32_t token = getatoken(script,profiletokens,ARRAY_SIZE(profiletokens));
switch (token)
{
case T_GRPINFO:
{
int32_t gsize = 0, gcrcval = 0, gflags = GAMEFLAG_DUKE, gdepcrc = DUKE15_CRC;
char *gname = NULL, *gscript = NULL, *gdef = NULL;
static const tokenlist grpinfotokens[] =
{
{ "name", T_GAMENAME },
{ "scriptname", T_SCRIPTNAME },
{ "defname", T_DEFNAME },
{ "crc", T_CRC },
{ "dependency", T_DEPCRC },
{ "size", T_SIZE },
{ "flags", T_FLAGS },
};
if (scriptfile_getbraces(script,&grpend)) break;
while (script->textptr < grpend)
{
int32_t token = getatoken(script,grpinfotokens,ARRAY_SIZE(grpinfotokens));
switch (token)
{
case T_GAMENAME:
scriptfile_getstring(script,&gname); break;
case T_SCRIPTNAME:
scriptfile_getstring(script,&gscript); break;
case T_DEFNAME:
scriptfile_getstring(script,&gdef); break;
case T_FLAGS:
scriptfile_getsymbol(script,&gflags); gflags &= GAMEFLAGMASK; break;
case T_DEPCRC:
scriptfile_getsymbol(script,&gdepcrc); break;
case T_CRC:
scriptfile_getsymbol(script,&gcrcval); break;
case T_SIZE:
scriptfile_getnumber(script,&gsize); break;
default:
break;
}
fg = (struct grpfile *)Xcalloc(1, sizeof(struct grpfile));
fg->next = listgrps;
listgrps = fg;
if (gname)
fg->name = Xstrdup(gname);
fg->size = gsize;
fg->crcval = gcrcval;
fg->dependency = gdepcrc;
fg->game = gflags;
if (gscript)
fg->scriptname = dup_filename(gscript);
if (gdef)
fg->defname = dup_filename(gdef);
}
break;
}
default:
break;
}
}
scriptfile_close(script);
scriptfile_clearsymbols();
}
static void LoadGameList(void)
{
struct grpfile *fg;
CACHE1D_FIND_REC *srch, *sidx;
int32_t i;
for (i = 0; i<NUMGRPFILES; i++)
{
fg = (struct grpfile *)Xcalloc(1, sizeof(struct grpfile));
fg->name = Xstrdup(internalgrpfiles[i].name);
fg->crcval = internalgrpfiles[i].crcval;
fg->size = internalgrpfiles[i].size;
fg->game = internalgrpfiles[i].game;
fg->dependency = internalgrpfiles[i].dependency;
if (internalgrpfiles[i].scriptname)
fg->scriptname = dup_filename(internalgrpfiles[i].scriptname);
if (internalgrpfiles[i].defname)
fg->defname = dup_filename(internalgrpfiles[i].defname);
fg->next = listgrps;
listgrps = fg;
}
srch = klistpath("/", "*.grpinfo", CACHE1D_FIND_FILE);
for (sidx = srch; sidx; sidx = sidx->next)
LoadList(srch->name);
klistfree(srch);
}
static void FreeGameList(void)
{
struct grpfile *fg;
while (listgrps)
{
fg = listgrps->next;
Bfree(listgrps->name);
if (listgrps->scriptname)
Bfree(listgrps->scriptname);
if (listgrps->defname)
Bfree(listgrps->defname);
Bfree(listgrps);
listgrps = fg;
}
}
#define GRPCACHEFILE "grpfiles.cache"
static struct grpcache
{
struct grpcache *next;
int32_t size;
int32_t mtime;
int32_t crcval;
char name[BMAX_PATH];
}
*grpcache = NULL, *usedgrpcache = NULL;
static int32_t LoadGroupsCache(void)
{
struct grpcache *fg;
int32_t fsize, fmtime, fcrcval;
char *fname;
scriptfile *script;
script = scriptfile_fromfile(GRPCACHEFILE);
if (!script) return -1;
while (!scriptfile_eof(script))
{
if (scriptfile_getstring(script, &fname)) break; // filename
if (scriptfile_getnumber(script, &fsize)) break; // filesize
if (scriptfile_getnumber(script, &fmtime)) break; // modification time
if (scriptfile_getnumber(script, &fcrcval)) break; // crc checksum
fg = (struct grpcache *)Xcalloc(1, sizeof(struct grpcache));
fg->next = grpcache;
grpcache = fg;
Bstrncpy(fg->name, fname, BMAX_PATH);
fg->size = fsize;
fg->mtime = fmtime;
fg->crcval = fcrcval;
}
scriptfile_close(script);
return 0;
}
static void FreeGroupsCache(void)
{
struct grpcache *fg;
while (grpcache)
{
fg = grpcache->next;
Bfree(grpcache);
grpcache = fg;
}
}
void RemoveGroup(int32_t crcval)
{
struct grpfile *grp;
for (grp = foundgrps; grp; grp=grp->next)
{
if (grp->crcval == crcval)
{
if (grp == foundgrps)
foundgrps = grp->next;
else
{
struct grpfile *fg;
for (fg = foundgrps; fg; fg=fg->next)
{
if (fg->next == grp)
{
fg->next = grp->next;
break;
}
}
}
Bfree((char *)grp->name);
Bfree(grp);
RemoveGroup(crcval);
break;
}
}
}
struct grpfile * FindGroup(int32_t crcval)
{
struct grpfile *grp;
for (grp = foundgrps; grp; grp=grp->next)
{
if (grp->crcval == crcval)
return grp;
}
return NULL;
}
int32_t ScanGroups(void)
{
CACHE1D_FIND_REC *srch, *sidx;
struct grpcache *fg, *fgg;
struct grpfile *grp;
char *fn;
struct Bstat st;
#define BUFFER_SIZE (1024 * 1024 * 8)
uint8_t *buf = (uint8_t *)Xmalloc(BUFFER_SIZE);
initprintf("Searching for game data...\n");
LoadGameList();
LoadGroupsCache();
srch = klistpath("/", "*.grp", CACHE1D_FIND_FILE);
for (sidx = srch; sidx; sidx = sidx->next)
{
for (fg = grpcache; fg; fg = fg->next)
{
if (!Bstrcmp(fg->name, sidx->name)) break;
}
if (fg)
{
if (findfrompath(sidx->name, &fn)) continue; // failed to resolve the filename
if (Bstat(fn, &st))
{
Bfree(fn);
continue;
} // failed to stat the file
Bfree(fn);
if (fg->size == (int32_t)st.st_size && fg->mtime == (int32_t)st.st_mtime)
{
grp = (struct grpfile *)Xcalloc(1, sizeof(struct grpfile));
grp->name = Xstrdup(sidx->name);
grp->crcval = fg->crcval;
grp->size = fg->size;
grp->next = foundgrps;
foundgrps = grp;
fgg = (struct grpcache *)Xcalloc(1, sizeof(struct grpcache));
strcpy(fgg->name, fg->name);
fgg->size = fg->size;
fgg->mtime = fg->mtime;
fgg->crcval = fg->crcval;
fgg->next = usedgrpcache;
usedgrpcache = fgg;
continue;
}
}
{
int32_t b, fh;
int32_t crcval = 0;
fh = openfrompath(sidx->name, BO_RDONLY|BO_BINARY, BS_IREAD);
if (fh < 0) continue;
if (Bfstat(fh, &st)) continue;
initprintf(" Checksumming %s...", sidx->name);
do
{
b = read(fh, buf, BUFFER_SIZE);
if (b > 0) crcval = Bcrc32((uint8_t *)buf, b, crcval);
}
while (b == BUFFER_SIZE);
close(fh);
initprintf(" Done\n");
grp = (struct grpfile *)Xcalloc(1, sizeof(struct grpfile));
grp->name = Xstrdup(sidx->name);
grp->crcval = crcval;
grp->size = st.st_size;
grp->next = foundgrps;
foundgrps = grp;
fgg = (struct grpcache *)Xcalloc(1, sizeof(struct grpcache));
Bstrncpy(fgg->name, sidx->name, BMAX_PATH);
fgg->size = st.st_size;
fgg->mtime = st.st_mtime;
fgg->crcval = crcval;
fgg->next = usedgrpcache;
usedgrpcache = fgg;
}
}
klistfree(srch);
FreeGroupsCache();
for (grp = foundgrps; grp; /*grp=grp->next*/)
{
struct grpfile *igrp;
for (igrp = listgrps; igrp; igrp=igrp->next)
if (grp->crcval == igrp->crcval) break;
if (igrp == NULL)
{
grp = grp->next;
continue;
}
if (igrp->dependency)
{
struct grpfile *depgrp;
//initprintf("found grp with dep\n");
for (depgrp = foundgrps; depgrp; depgrp=depgrp->next)
if (depgrp->crcval == igrp->dependency) break;
if (depgrp == NULL || depgrp->crcval != igrp->dependency) // couldn't find dependency
{
//initprintf("removing %s\n", grp->name);
RemoveGroup(igrp->crcval);
grp = foundgrps;
continue;
}
}
if (igrp->game && !grp->game)
grp->game = igrp->game;
grp=grp->next;
}
if (usedgrpcache)
{
int32_t i = 0;
FILE *fp;
fp = fopen(GRPCACHEFILE, "wt");
if (fp)
{
for (fg = usedgrpcache; fg; fg=fgg)
{
fgg = fg->next;
fprintf(fp, "\"%s\" %d %d %d\n", fg->name, fg->size, fg->mtime, fg->crcval);
Bfree(fg);
i++;
}
fclose(fp);
}
// initprintf("Found %d recognized GRP %s.\n",i,i>1?"files":"file");
Bfree(buf);
return 0;
}
initprintf("Found no recognized game data!\n");
Bfree(buf);
return 0;
}
void FreeGroups(void)
{
struct grpfile *fg;
while (foundgrps)
{
fg = foundgrps->next;
Bfree((char *)foundgrps->name);
Bfree(foundgrps);
foundgrps = fg;
}
FreeGameList();
}
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