main.cpp

#include "globals.h"
#include "window.h"
#include "rng.h"
#include "game.h"
#include "files.h"
#include <ctime>
#include <stdio.h>  // Output errors on bad command line options
#include <getopt.h>
#include <unistd.h> // Required for getopt??
#include <string>

//#include "stringfunc.h"

const char* VERSION = "Cataclysm v2.0.0 alpha";

bool parse_options(int argc, char* argv[]);
void print_cli_help(std::string program_name);
void print_version();

bool prep_folders();

int main(int argc, char* argv[])
{
  TESTING_MODE = 0;
  if (!parse_options(argc, argv)) {
    return 1;
  }

  srand(time(NULL));  // Seed the RNG - TODO: Wrap this up
  init_display();     // See window.cpp

  //split_string("Strength affects the amount of weight you can carry or drag",
               //" \n", true);

  set_default_dirs(); // See files.cpp

  if (!prep_directories()) { // See globals.cpp - creates save dir & subdirs
    printf("Errors creating save directory structure.");
    return 1;
  }

  load_global_data(); // See globals.cpp

// See game.cpp for setup() and starting_menu()
  if (!GAME.setup_ui() || !GAME.starting_menu()) {
    endwin();
    return 1;
  }

  do {} while (GAME.main_loop()); // See game.cpp

  endwin();           // See window.cpp
  return 0;
}

bool parse_options(int argc, char* argv[])
{
// extern variables used by getopt
  extern char* optarg;
  std::string argument;
  int c;
// TODO: Move these long options (and this function?) to a different file (?)
  static option long_options[] =
  {
// These options set a flag
    { "test",     no_argument,        &TESTING_MODE, 1},
    { "debug",    no_argument,        &TESTING_MODE, 1},
// These options do not set a flag.
    { "data-dir", required_argument,  0, 'd' },
    { "cuss-dir", required_argument,  0, 'c' },
    { "save-dir", required_argument,  0, 's' },
    { "help",     no_argument,        0, 'h' },
    { "version",  no_argument,        0, 'v' },
    { 0, 0, 0, 0 }
  };
  int opt_index;

  while ( (c = getopt_long(argc, argv, "", long_options, &opt_index)) != -1) {

    switch (c) {

      case 0:
// If the option set a flag, don't do anything else.
        break;

      case 'd': // --data-dir <directory>
        if (!set_dir(DATA_DIR, optarg)) {
          printf("'%s' is not a valid data directory.\n", optarg);
          return false;
        }
        break;

      case 'c': // --cuss-dir <directory>
        if (!set_dir(CUSS_DIR, optarg)) {
          printf("'%s' is not a valid cuss directory.\n", optarg);
          return false;
        }
        break;

      case 's': // --save-dir <directory>
        if (!set_dir(SAVE_DIR, optarg)) {
          printf("'%s' is not a valid save directory.\n", optarg);
          return false;
        }
        break;

      case 'h':
        print_cli_help(argv[0]);
        return false; // Because we don't want to run the game.

      case 'v':
        print_version();
        return false; // Because we don't want to run the game.

      case '?':
// getopt_long handles printing these error messages.
        return false;

    }

  }

  return true;
}

/* I was going to make this load from a file, but I think that hardcoding it is
 * better practice.  We want it to work independently of the DATA_DIR setting,
 * or of the presence of any files.
 */
void print_cli_help(std::string program_name)
{
  print_version();
  printf("\n\
Usage: %s [options]\n\
\n\
Options:\n\
  --test                    Enable test mode (cheat commands, increased info)\n\
  --debug                   Enable debug mode (for now, identical to --test)\n\
  --data-dir <directory>    Use <directory> as a source for game data\n\
  --cuss-dir <directory>    Use <directory> as a source for interface data\n\
  --help                    Print this help message and exit.\n\
  --version                 Print the version and exit.\n",
  program_name.c_str() );
}

void print_version()
{
  printf("%s\n", VERSION);
}