Ejemplos de fgetfloat en C++ (Cpp)

Ejemplo n.º 1

Archivo: extractpxt.cpp Proyecto: CatalystG/nxengine-libretro

bool extract_pxt(FILE *fp)
{
struct
{
	union
	{
		int intvalue;
		double fpvalue;
	} values[50];
} chan[4];
int s, c, i;

char slash;
#ifdef _WIN32
slash = '\\';
#else
slash = '/';
#endif

	for(s=0;;s++)
	{
		if (!snd[s].id) break;
		
		char outfilename[MAXPATHLEN];
      char outpath[MAXPATHLEN];
		snprintf(outfilename, sizeof(outfilename), "%s%cpxt%cfx%02x.pxt", g_dir, slash, slash, snd[s].id);
		snprintf(outpath, sizeof(outpath), "%s%cpxt", g_dir, slash);
		NX_LOG("[ %s ]\n", outfilename);

#if defined(_WIN32)
		_mkdir(outpath);
#else
		mkdir(outpath, 0755);
#endif
		FILE *fpo = fopen(outfilename, "wb");
		if (!fpo)
		{
			NX_ERR("failed to open %s\n", outfilename);
			return 1;
		}
		
		fseek(fp, snd[s].offset, SEEK_SET);
		memset(chan, 0, sizeof(chan));
		
		// load data
		for(c=0;c<snd[s].nchanl;c++)
		{
			for(i=0;fields[i].name;i++)
			{
				if (fields[i].is_integer)
				{
					chan[c].values[i].intvalue = fgetl(fp);
				}
				else
				{
					chan[c].values[i].fpvalue = fgetfloat(fp);
				}
			}
			
			// skip padding between sections
			if (fgetl(fp) != 0)
			{
				NX_ERR("PXT out of sync\n");
				return 1;
			}
		}
		
		// write human-readable section
		for(c=0;c<4;c++)
		{
			for(i=0;fields[i].name;i++)
			{
				if (fields[i].is_integer)
					fprintf(fpo, "%s:%d\r\n", fields[i].name, chan[c].values[i].intvalue);
				else
					fprintf(fpo, "%s:%.2f\r\n", fields[i].name, chan[c].values[i].fpvalue);
			}
			
			fprintf(fpo, "\r\n");
		}
		
		// write machine-readable section
		for(c=0;c<4;c++)
		{
			fprintf(fpo, "{");
			
			for(i=0;fields[i].name;i++)
			{
				const char *suffix = (fields[i+1].name == NULL) ? "},\r\n" : ",";
				
				if (fields[i].is_integer)
					fprintf(fpo, "%d%s", chan[c].values[i].intvalue, suffix);
				else
					fprintf(fpo, "%.2f%s", chan[c].values[i].fpvalue, suffix);
			}
		}
		
		fclose(fpo);
	}
	
	return 0;
}

Ejemplo n.º 2

Archivo: extractpxt.cpp Proyecto: libretro/nxengine-libretro

bool extract_pxt(FILE *fp, int s, stPXSound *outsnd)
{
struct
{
	union
	{
		int intvalue;
		double fpvalue;
	} values[21];
} chan[4];
int c, i;
int found = 0;
char slash;
#ifdef _WIN32
slash = '\\';
#else
slash = '/';
#endif
   for (i = 0; i < sizeof(snd) / sizeof(snd[0]); i++)
   {
      if (snd[i].id == s)
      {
         found = 1;
         s = i;
         break;
      }
   }
   if (!found)
      return 1;

		fseek(fp, snd[s].offset, SEEK_SET);
		memset(chan, 0, sizeof(chan));
		
		// load data
		for(c=0;c<snd[s].nchanl;c++)
		{
			for(i=0;fields[i].name;i++)
			{
				if (fields[i].is_integer)
				{
					chan[c].values[i].intvalue = fgetl(fp);
				}
				else
				{
					chan[c].values[i].fpvalue = fgetfloat(fp);
				}
			}
			
			// skip padding between sections
			if (fgetl(fp) != 0)
			{
				NX_ERR("PXT out of sync\n");
				return 1;
			}
		}
   
      for (c = 0; c < 4; c++)
      {
         outsnd->chan[c].enabled = chan[c].values[0].intvalue;
         outsnd->chan[c].size_blocks = chan[c].values[1].intvalue;
         
         pxt_SetModel(&outsnd->chan[c].main, chan[c].values[2].intvalue);
         outsnd->chan[c].main.repeat = chan[c].values[3].fpvalue;
         outsnd->chan[c].main.volume = chan[c].values[4].intvalue;
         outsnd->chan[c].main.offset = chan[c].values[5].intvalue;
         
         pxt_SetModel(&outsnd->chan[c].pitch, chan[c].values[6].intvalue);
         outsnd->chan[c].pitch.repeat = chan[c].values[7].fpvalue;
         outsnd->chan[c].pitch.volume = chan[c].values[8].intvalue;
         outsnd->chan[c].pitch.offset = chan[c].values[9].intvalue;
         
         pxt_SetModel(&outsnd->chan[c].volume, chan[c].values[10].intvalue);
         outsnd->chan[c].volume.repeat = chan[c].values[11].fpvalue;
         outsnd->chan[c].volume.volume = chan[c].values[12].intvalue;
         outsnd->chan[c].volume.offset = chan[c].values[13].intvalue;
         
         outsnd->chan[c].envelope.initial = chan[c].values[14].intvalue;

         outsnd->chan[c].envelope.time[0] = chan[c].values[15].intvalue;
         outsnd->chan[c].envelope.val[0] = chan[c].values[16].intvalue;
         outsnd->chan[c].envelope.time[1] = chan[c].values[17].intvalue;
         outsnd->chan[c].envelope.val[1] = chan[c].values[18].intvalue;
         outsnd->chan[c].envelope.time[2] = chan[c].values[19].intvalue;
         outsnd->chan[c].envelope.val[2] = chan[c].values[20].intvalue;
      }
	
	return 0;
}