示例#1
0
void task_file_load_handler(retro_task_t *task)
{
   nbio_handle_t         *nbio  = (nbio_handle_t*)task->state;

   if (nbio)
   {
      switch (nbio->status)
      {
         case NBIO_STATUS_INIT:
            if (nbio && !string_is_empty(nbio->path))
            {
               struct nbio_t *handle = (struct nbio_t*)nbio_open(nbio->path, NBIO_READ);

               if (handle)
               {
                  nbio->handle       = handle;
                  nbio->status       = NBIO_STATUS_TRANSFER;

                  nbio_begin_read(handle);
                  return;
               }
               else
                  task_set_cancelled(task, true);
            }
            break;
         case NBIO_STATUS_TRANSFER_PARSE:
            if (!nbio || task_file_transfer_iterate_parse(nbio) == -1)
               task_set_cancelled(task, true);
            nbio->status = NBIO_STATUS_TRANSFER_FINISHED;
            break;
         case NBIO_STATUS_TRANSFER:
            if (!nbio || task_file_transfer_iterate_transfer(nbio) == -1)
               nbio->status = NBIO_STATUS_TRANSFER_PARSE;
            break;
         case NBIO_STATUS_TRANSFER_FINISHED:
            break;
      }

      switch (nbio->type)
      {
         case NBIO_TYPE_PNG:
         case NBIO_TYPE_JPEG:
         case NBIO_TYPE_TGA:
         case NBIO_TYPE_BMP:
            if (!task_image_load_handler(task))
               task_set_finished(task, true);
            break;
         case NBIO_TYPE_MP3:
         case NBIO_TYPE_FLAC:
         case NBIO_TYPE_OGG:
         case NBIO_TYPE_MOD:
         case NBIO_TYPE_WAV:
            if (!task_audio_mixer_load_handler(task))
               task_set_finished(task, true);
            break;
         case NBIO_TYPE_NONE:
         default:
            if (nbio->is_finished)
               task_set_finished(task, true);
            break;
      }
   }

   if (task_get_cancelled(task))
   {
      task_set_error(task, strdup("Task canceled."));
      task_set_finished(task, true);
   }
}
void task_file_load_handler(retro_task_t *task)
{
   nbio_handle_t         *nbio  = (nbio_handle_t*)task->state;

   if (nbio)
   {
      switch (nbio->status)
      {
         case NBIO_STATUS_INIT:
            if (nbio && !string_is_empty(nbio->path))
            {
               const char *fullpath  = nbio->path;
               struct nbio_t *handle = nbio_open(fullpath, NBIO_READ);

               if (handle)
               {
                  nbio->handle       = handle;
                  nbio->status       = NBIO_STATUS_TRANSFER;

                  if (strstr(fullpath, file_path_str(FILE_PATH_PNG_EXTENSION)))
                     nbio->image_type = IMAGE_TYPE_PNG;
                  else if (strstr(fullpath, file_path_str(FILE_PATH_JPEG_EXTENSION)) 
                        || strstr(fullpath, file_path_str(FILE_PATH_JPG_EXTENSION)))
                     nbio->image_type = IMAGE_TYPE_JPEG;
                  else if (strstr(fullpath, file_path_str(FILE_PATH_BMP_EXTENSION)))
                     nbio->image_type = IMAGE_TYPE_BMP;
                  else if (strstr(fullpath, file_path_str(FILE_PATH_TGA_EXTENSION)))
                     nbio->image_type = IMAGE_TYPE_TGA;

                  nbio_begin_read(handle);
                  return;
               }
               else
                  task_set_cancelled(task, true);
            }
            break;
         case NBIO_STATUS_TRANSFER_PARSE:
            if (task_file_transfer_iterate_parse(nbio) == -1)
               task_set_cancelled(task, true);
            nbio->status = NBIO_STATUS_TRANSFER_PARSE_FREE;
            break;
         case NBIO_STATUS_TRANSFER:
            if (task_file_transfer_iterate_transfer(nbio) == -1)
               nbio->status = NBIO_STATUS_TRANSFER_PARSE;
            break;
         case NBIO_STATUS_TRANSFER_PARSE_FREE:
         case NBIO_STATUS_POLL:
         default:
            break;
      }

      switch (nbio->image_type)
      {
         case IMAGE_TYPE_PNG:
         case IMAGE_TYPE_JPEG:
         case IMAGE_TYPE_TGA:
         case IMAGE_TYPE_BMP:
            if (!task_image_load_handler(task))
               task_set_finished(task, true);
            break;
         case 0:
            if (nbio->is_finished)
               task_set_finished(task, true);
            break;
      }
   }

   if (task_get_cancelled(task))
   {
      task_set_error(task, strdup("Task canceled."));
      task_set_finished(task, true);
   }
}