ex_fluid_config.c

functions for fluid configuration

functions for fluid configuration

Author

Castagnier Mickaël aka Gull Ra Driel

Version

1.0

Date

29/12/2021

 
#include "ex_fluid_config.h"
#include "nilorea/n_str.h"
#include "nilorea/n_fluids.h"
#include "nilorea/n_config_file.h"
 
 
int load_app_state( char *state_filename , size_t *WIDTH , size_t *HEIGHT , bool *fullscreen , char **bgmusic , double *drawFPS , double *logicFPS , N_FLUID *fluid , int *threaded )
{
    __n_assert( state_filename , return FALSE );
    __n_assert( fluid , return FALSE );
 
    if( access( state_filename , F_OK ) != 0 )
    {
        n_log( LOG_INFO , "no app state %s to load !" , state_filename );
        return FALSE ;
    }
 
    /* N_STR *data = NULL ;
       data = file_to_nstr( state_filename );
       if( !data )
       { 
       n_log( LOG_ERR , "Error reading file %s, defaults will be used" , state_filename );
       return FALSE;
       }
 
       cJSON *monitor_json = cJSON_Parse( _nstr( data ) );
       if (monitor_json == NULL)
       {
       const char *error_ptr = cJSON_GetErrorPtr();
       n_log( LOG_ERR , "%s: Error before: %s, defaults will be used", state_filename , _str( error_ptr ) );
       cJSON_Delete( monitor_json );
       free_nstr( &data );
       return FALSE ;
       }
 
       cJSON *value = NULL ;
       value = cJSON_GetObjectItemCaseSensitive( monitor_json, "width" );      if( cJSON_IsNumber( value ) ){ (*WIDTH)  = value -> valueint ; } else { n_log( LOG_ERR , "width is not a number"); }
       value = cJSON_GetObjectItemCaseSensitive( monitor_json, "height" );     if( cJSON_IsNumber( value ) ){ (*HEIGHT) = value -> valueint ; } else { n_log( LOG_ERR , "height is not a number"); }
       value = cJSON_GetObjectItemCaseSensitive( monitor_json, "fullscreen" ); if( cJSON_IsNumber( value ) ){ (*fullscreen) = value -> valueint ; } else { n_log( LOG_ERR , "fullscreen is not a number"); }
       value = cJSON_GetObjectItemCaseSensitive( monitor_json, "bg-music" );   if( cJSON_IsString( value ) ){ (*bgmusic) = strdup( value -> valuestring ); } else { n_log( LOG_ERR , "bg-music is not a string"); }
       value = cJSON_GetObjectItemCaseSensitive( monitor_json, "drawFPS" ); if( cJSON_IsNumber( value ) ){ (*drawFPS) = value -> valuedouble ; } else { n_log( LOG_ERR , "drawFPS is not a number"); }
       value = cJSON_GetObjectItemCaseSensitive( monitor_json, "logicFPS" ); if( cJSON_IsNumber( value ) ){ (*logicFPS) = value -> valuedouble ; } else { n_log( LOG_ERR , "logicFPS is not a number"); }
 
       cJSON_Delete(monitor_json);
       free_nstr( &data );
       */
    int errors = 0 ;
    CONFIG_FILE *config = load_config_file( state_filename , &errors );
    if( !config )
    {
        n_log( LOG_ERR, "Unable to load config file from %s", state_filename );
        return FALSE ;
    }
    if( errors != 0 )
    {
        n_log( LOG_ERR, "There were %d errors in %s. Check the logs !", errors, state_filename );
        return FALSE ;
    }
    /* default section, only one should be allocated. Let's test it ! */
    int nb = get_nb_config_file_sections( config, "__DEFAULT__" );
    for( int it = 0 ; it < nb ; it++ )
    {
        char *value = NULL ;
        value = get_config_section_value( config, "__DEFAULT__", it, "width", 0 );
        if( value ) (*WIDTH) = atoi( value );
        value = get_config_section_value( config, "__DEFAULT__", it, "height", 0 );
        if( value ) (*HEIGHT) = atoi( value );
        value = get_config_section_value( config, "__DEFAULT__", it, "fullscreen", 0 );
        if( value ) (*fullscreen) = atoi( value );
        value = get_config_section_value( config, "__DEFAULT__", it, "bg-music", 0 );
        if( value ) (*bgmusic) = strdup( value );
        value = get_config_section_value( config, "__DEFAULT__", it, "drawFPS", 0 );
        if( value ) (*drawFPS) = strtold( value , NULL );
        value = get_config_section_value( config, "__DEFAULT__", it, "logicFPS", 0 );
        if( value ) (*logicFPS) = strtold( value , NULL );
        value = get_config_section_value( config, "__DEFAULT__", it, "numIters", 0 );
        if( value ) fluid -> numIters = atoi( value );
        value = get_config_section_value( config, "__DEFAULT__", it, "density", 0 );
        if( value ) fluid -> density = strtold( value , NULL );
        value = get_config_section_value( config, "__DEFAULT__", it, "gravity", 0 );
        if( value ) fluid -> gravity = strtold( value , NULL );
        value = get_config_section_value( config, "__DEFAULT__", it, "overRelaxation", 0 );
        if( value ) fluid -> overRelaxation = strtold( value , NULL );
        value = get_config_section_value( config, "__DEFAULT__", it, "fluid_production_percentage", 0 );
        if( value ) fluid -> fluid_production_percentage = strtold( value , NULL );
        value = get_config_section_value( config, "__DEFAULT__", it, "cScale", 0 );
        if( value ) fluid -> cScale = strtold( value , NULL );
        value = get_config_section_value( config, "__DEFAULT__", it, "threadedProcessing", 0 );
        if( value ) (*threaded) = atoi( value );
    }
 
    /*data = file_to_nstr( state_filename );
      if( !data )
      { 
      n_log( LOG_ERR , "Error reading file %s, defaults will be used" , state_filename );
      return FALSE;
      }
 
      cJSON *monitor_json = cJSON_Parse( _nstr( data ) );
      if (monitor_json == NULL)
      {
      const char *error_ptr = cJSON_GetErrorPtr();
      n_log( LOG_ERR , "%s: Error before: %s, defaults will be used", state_filename , _str( error_ptr ) );
      cJSON_Delete( monitor_json );
      free_nstr( &data );
      return FALSE ;
      }
 
      cJSON *value = NULL ;
      value = cJSON_GetObjectItemCaseSensitive( monitor_json, "numIters" );       if( cJSON_IsNumber( value ) ){ fluid -> numIters = value -> valueint ; } else { n_log( LOG_ERR , "numIters is not a number"); }
      value = cJSON_GetObjectItemCaseSensitive( monitor_json, "density" );        if( cJSON_IsNumber( value ) ){ fluid -> density  = value -> valuedouble ; } else { n_log( LOG_ERR , "density is not a number"); }
      value = cJSON_GetObjectItemCaseSensitive( monitor_json, "gravity" );        if( cJSON_IsNumber( value ) ){ fluid -> gravity  = value -> valuedouble ; } else { n_log( LOG_ERR , "gravity is not a number"); } 
      value = cJSON_GetObjectItemCaseSensitive( monitor_json, "overRelaxation" ); if( cJSON_IsNumber( value ) ){ fluid -> overRelaxation = value -> valuedouble ; } else { n_log( LOG_ERR , "overRelaxation is not a number"); } 
      value = cJSON_GetObjectItemCaseSensitive( monitor_json, "fluid_production_percentage" ); if( cJSON_IsNumber( value ) ){ fluid -> fluid_production_percentage = value -> valuedouble ; }else { n_log( LOG_ERR , "fluid_production_percentage is not a number"); } 
      value = cJSON_GetObjectItemCaseSensitive( monitor_json, "cScale" ); if( cJSON_IsNumber( value ) ){ fluid -> cScale = value -> valuedouble ; } else { n_log( LOG_ERR , "cScale is not a number"); }
      value = cJSON_GetObjectItemCaseSensitive( monitor_json, "threadedProcessing" ); if( cJSON_IsNumber( value ) ){ (*threaded) = value -> valueint ; } else { n_log( LOG_ERR , "threadedProcessing is not a number"); } 
 
      cJSON_Delete(monitor_json);
      free_nstr( &data ); */
 
    destroy_config_file( &config );
 
    return TRUE ;
}