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support Gameexe.ini for nwa loops as well

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git-svn-id: https://vgmstream.svn.sourceforge.net/svnroot/vgmstream@304 51a99a44-fe44-0410-b1ba-c3e57ba2b86b
This commit is contained in:
halleyscometsw 2008-07-11 06:34:09 +00:00
parent 9fcf65eb86
commit 144e23ddd5
3 changed files with 116 additions and 10 deletions
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118
src/meta/nwa.c
View File

@ -24,7 +24,9 @@ VGMSTREAM * init_vgmstream_nwa(STREAMFILE *streamFile) {
int channel_count;
int loop_flag = 0;
int32_t loop_start_sample;
int ini_found = 0;
int32_t loop_end_sample;
int nwainfo_ini_found = 0;
int gameexe_ini_found = 0;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
@ -71,7 +73,7 @@ VGMSTREAM * init_vgmstream_nwa(STREAMFILE *streamFile) {
off_t file_size;
off_t found_off;
ini_found = 1;
nwainfo_ini_found = 1;
ext = filename_extension(namebase);
length = ext-1-namebase;
@ -111,6 +113,100 @@ VGMSTREAM * init_vgmstream_nwa(STREAMFILE *streamFile) {
} /* if opened INI ok */
} /* INI block */
/* try to locate Gameexe.ini in the same directory */
{
char ininame[260];
char * ini_lastslash;
char * namebase;
STREAMFILE *inistreamfile;
strncpy(ininame,filename,sizeof(ininame));
ininame[sizeof(ininame)-1]='\0'; /* a pox on the stdlib! */
ini_lastslash = strrchr(ininame,DIRSEP);
if (!ini_lastslash) {
strncpy(ininame,"Gameexe.ini",sizeof(ininame));
namebase = filename;
} else {
strncpy(ini_lastslash+1,"Gameexe.ini",
sizeof(ininame)-(ini_lastslash+1-ininame));
namebase = ini_lastslash+1-ininame+filename;
}
ininame[sizeof(ininame)-1]='\0'; /* curse you, strncpy! */
inistreamfile = streamFile->open(streamFile,ininame,4096);
if (inistreamfile) {
/* ini found, try to find our name */
const char * ext;
int length;
int found;
off_t offset;
off_t file_size;
off_t found_off;
gameexe_ini_found = 1;
ext = filename_extension(namebase);
length = ext-1-namebase;
file_size = get_streamfile_size(inistreamfile);
/* format of line is:
* #DSTRACK = 00000000 - eeeeeeee - ssssssss = "name" = "name2?"
* ^22 ^33 ^45 ^57
*/
for (found = 0, offset = 0; !found && offset<file_size; offset++) {
off_t suboffset;
uint8_t buf[10];
if (read_8bit(offset,inistreamfile)!='#') continue;
if (read_streamfile(buf,offset+1,10,inistreamfile)!=10) break;
if (memcmp("DSTRACK = ",buf,10)) continue;
if (read_8bit(offset+44,inistreamfile)!='\"') continue;
for (suboffset = offset+45;
suboffset<file_size &&
suboffset-offset-45<length &&
read_8bit(suboffset,inistreamfile)==
namebase[suboffset-offset-45];
suboffset++) {}
if (suboffset-offset-45==length &&
read_8bit(suboffset,inistreamfile)=='\"') { /* tab */
found=1;
found_off = offset+22; /* loop end */
}
}
if (found) {
char loopstring[9]={0};
int start_ok = 0, end_ok = 0;
printf("found!\n");
if (read_streamfile((uint8_t*)loopstring,found_off,8,
inistreamfile)==8 &&
memcmp("99999999",loopstring,8))
{
loop_end_sample = atol(loopstring);
end_ok = 1;
}
if (read_streamfile((uint8_t*)loopstring,found_off+11,8,
inistreamfile)==8 &&
memcmp("99999999",loopstring,8))
{
loop_start_sample = atol(loopstring);
start_ok = 1;
}
if (start_ok && end_ok) loop_flag = 1;
} /* if found file name in INI */
close_streamfile(inistreamfile);
} /* if opened INI ok */
} /* INI block */
channel_count = read_16bitLE(0x00,streamFile);
/* build the VGMSTREAM */
@ -139,16 +235,22 @@ VGMSTREAM * init_vgmstream_nwa(STREAMFILE *streamFile) {
vgmstream->layout_type = layout_none;
}
if (ini_found) {
vgmstream->meta_type = meta_NWA_INI;
if (nwainfo_ini_found) {
vgmstream->meta_type = meta_NWA_NWAINFOINI;
if (loop_flag) {
vgmstream->loop_start_sample = loop_start_sample;
vgmstream->loop_end_sample = vgmstream->num_samples;
}
} else if (gameexe_ini_found) {
vgmstream->meta_type = meta_NWA_GAMEEXEINI;
if (loop_flag) {
vgmstream->loop_start_sample = loop_start_sample;
vgmstream->loop_end_sample = loop_end_sample;
}
} else {
vgmstream->meta_type = meta_NWA;
}
if (loop_flag) {
vgmstream->loop_start_sample = loop_start_sample;
vgmstream->loop_end_sample = vgmstream->num_samples;
}
/* open the file for reading by each channel */
{

5
src/vgmstream.c
View File

@ -1118,9 +1118,12 @@ void describe_vgmstream(VGMSTREAM * vgmstream, char * desc, int length) {
case meta_NWA:
snprintf(temp,TEMPSIZE,"Visual Art's NWA header");
break;
case meta_NWA_INI:
case meta_NWA_NWAINFOINI:
snprintf(temp,TEMPSIZE,"Visual Art's NWA header and NWAINFO.INI for looping");
break;
case meta_NWA_GAMEEXEINI:
snprintf(temp,TEMPSIZE,"Visual Art's NWA header and Gameexe.ini for looping");
break;
default:
snprintf(temp,TEMPSIZE,"THEY SHOULD HAVE SENT A POET");
}

3
src/vgmstream.h
View File

@ -183,7 +183,8 @@ typedef enum {
meta_RIFF_WAVE, /* RIFF, for WAVs */
meta_RIFF_WAVE_POS, /* .wav + .pos for looping */
meta_NWA, /* Visual Art's NWA */
meta_NWA_INI, /* NWA w/ NWAINFO.INI for looping */
meta_NWA_NWAINFOINI, /* NWA w/ NWAINFO.INI for looping */
meta_NWA_GAMEEXEINI, /* NWA w/ Gameexe.ini for looping */
} meta_t;
typedef struct {