#include <sys/param.h>
#include <sys/types.h>
#include <stdarg.h>
+#include <ctype.h>
#include "misc.h"
#include "init.h"
#include "random.h"
#include "joystick.h"
+/* maximal allowed length of a command line option */
+#define MAX_OPTION_LEN 256
+
static unsigned long mainCounter(int mode)
{
static struct timeval base_time = { 0, 0 };
gettimeofday(¤t_time,NULL);
root = root * 4253261 + current_time.tv_sec + current_time.tv_usec;
- return(root % max);
+ return (root % max);
}
+#ifdef DEBUG
+static unsigned int last_RND_value = 0;
+
+unsigned int last_RND()
+{
+ return last_RND_value;
+}
+#endif
+
unsigned int RND(unsigned int max)
{
- return(random_linux_libc() % max);
+#ifdef DEBUG
+ return (last_RND_value = random_linux_libc() % max);
+#else
+ return (random_linux_libc() % max);
+#endif
}
unsigned int InitRND(long seed)
{
struct timeval current_time;
- if (seed==NEW_RANDOMIZE)
+ if (seed == NEW_RANDOMIZE)
{
gettimeofday(¤t_time,NULL);
srandom_linux_libc((unsigned int) current_time.tv_usec);
- return((unsigned int) current_time.tv_usec);
+ return (unsigned int)current_time.tv_usec;
}
else
{
srandom_linux_libc((unsigned int) seed);
- return((unsigned int) seed);
+ return (unsigned int)seed;
}
}
-char *GetLoginName()
+char *getLoginName()
{
struct passwd *pwd;
- if (!(pwd=getpwuid(getuid())))
- return("ANONYMOUS");
+ if (!(pwd = getpwuid(getuid())))
+ return "ANONYMOUS";
else
- return(pwd->pw_name);
+ return pwd->pw_name;
+}
+
+char *getHomeDir()
+{
+ static char *home_dir = NULL;
+
+ if (!home_dir)
+ {
+ if (!(home_dir = getenv("HOME")))
+ {
+ struct passwd *pwd;
+
+ if ((pwd = getpwuid(getuid())))
+ home_dir = pwd->pw_dir;
+ else
+ home_dir = ".";
+ }
+ }
+
+ return home_dir;
+}
+
+char *getPath2(char *path1, char *path2)
+{
+ char *complete_path = checked_malloc(strlen(path1) + strlen(path2) + 2);
+
+ sprintf(complete_path, "%s/%s", path1, path2);
+ return complete_path;
+}
+
+char *getStringCopy(char *s)
+{
+ char *s_copy = checked_malloc(strlen(s) + 1);
+
+ strcpy(s_copy, s);
+ return s_copy;
+}
+
+char *getStringToLower(char *s)
+{
+ char *s_copy = checked_malloc(strlen(s) + 1);
+ char *s_ptr = s_copy;
+
+ while (*s)
+ *s_ptr++ = tolower(*s++);
+
+ return s_copy;
}
void MarkTileDirty(int x, int y)
int yy = redraw_y1 + y;
if (!redraw[xx][yy])
- {
- redraw[xx][yy] = TRUE;
redraw_tiles++;
- redraw_mask |= REDRAW_TILES;
- }
+
+ redraw[xx][yy] = TRUE;
+ redraw_mask |= REDRAW_TILES;
}
void GetOptions(char *argv[])
options.display_name = NULL;
options.server_host = NULL;
options.server_port = 0;
+ options.base_directory = BASE_PATH;
+ options.level_directory = BASE_PATH "/" LEVELS_DIRECTORY;
options.serveronly = FALSE;
options.network = FALSE;
options.verbose = FALSE;
printf("Usage: %s [options] [server.name [port]]\n"
"Options:\n"
" -d, --display machine:0 X server display\n"
+ " -b, --basepath directory alternative base directory\n"
" -l, --levels directory alternative level directory\n"
" -s, --serveronly only start network server\n"
" -n, --network network multiplayer game\n"
printf("--display == '%s'\n", options.display_name);
}
+ else if (strncmp(option, "-basepath", option_len) == 0)
+ {
+ if (option_arg == NULL)
+ Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
+
+ options.base_directory = option_arg;
+ if (option_arg == next_option)
+ options_left++;
+
+ printf("--basepath == '%s'\n", options.base_directory);
+
+ /* adjust path for level directory accordingly */
+ options.level_directory = checked_malloc(strlen(options.base_directory) +
+ strlen(LEVELS_DIRECTORY) + 2);
+ sprintf(options.level_directory, "%s/%s",
+ options.base_directory, LEVELS_DIRECTORY);
+ }
else if (strncmp(option, "-levels", option_len) == 0)
{
if (option_arg == NULL)
Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
- level_directory = option_arg;
+ options.level_directory = option_arg;
if (option_arg == next_option)
options_left++;
- printf("--levels == '%s'\n", level_directory);
+ printf("--levels == '%s'\n", options.level_directory);
}
else if (strncmp(option, "-network", option_len) == 0)
{
}
}
-void Error(int mode, char *format_str, ...)
+void Error(int mode, char *format, ...)
{
FILE *output_stream = stderr;
char *process_name = "";
if (mode & ERR_SOUNDSERVER)
process_name = " sound server";
- if (format_str)
+ if (format)
{
va_list ap;
- char *format_ptr;
- char *s_value;
- int i_value;
- double d_value;
fprintf(output_stream, "%s%s: ", program_name, process_name);
if (mode & ERR_WARN)
fprintf(output_stream, "warning: ");
- va_start(ap, format_str); /* ap points to first unnamed argument */
-
- for(format_ptr=format_str; *format_ptr; format_ptr++)
- {
- if (*format_ptr != '%')
- {
- fprintf(output_stream, "%c", *format_ptr);
- continue;
- }
-
- switch(*++format_ptr)
- {
- case 'd':
- i_value = va_arg(ap, int);
- fprintf(output_stream, "%d", i_value);
- break;
-
- case 'f':
- d_value = va_arg(ap, double);
- fprintf(output_stream, "%f", d_value);
- break;
-
- case 's':
- s_value = va_arg(ap, char *);
- fprintf(output_stream, "%s", s_value);
- break;
-
- default:
- fprintf(stderr, "\n%s: Error(): invalid format string: %s\n",
- program_name, format_str);
- CloseAllAndExit(10);
- }
- }
-
+ va_start(ap, format);
+ vfprintf(output_stream, format, ap);
va_end(ap);
fprintf(output_stream, "\n");
return ptr;
}
+void *checked_calloc(unsigned long size)
+{
+ void *ptr;
+
+ ptr = calloc(1, size);
+
+ if (ptr == NULL)
+ Error(ERR_EXIT, "cannot allocate %d bytes -- out of memory", size);
+
+ return ptr;
+}
+
#define TRANSLATE_KEYSYM_TO_KEYNAME 0
#define TRANSLATE_KEYSYM_TO_X11KEYNAME 1
#define TRANSLATE_X11KEYNAME_TO_KEYSYM 2
translate_joyname(&joysymbol, &name, TRANSLATE_JOYNAME_TO_JOYSYMBOL);
return joysymbol;
}
+
+/* the following is only for debugging purpose and normally not used */
+#define DEBUG_NUM_TIMESTAMPS 3
+
+void debug_print_timestamp(int counter_nr, char *message)
+{
+ static long counter[DEBUG_NUM_TIMESTAMPS][2];
+
+ if (counter_nr >= DEBUG_NUM_TIMESTAMPS)
+ Error(ERR_EXIT, "debugging: increase DEBUG_NUM_TIMESTAMPS in misc.c");
+
+ counter[counter_nr][0] = Counter();
+
+ if (message)
+ printf("%s %.2f seconds\n", message,
+ (float)(counter[counter_nr][0] - counter[counter_nr][1]) / 1000);
+
+ counter[counter_nr][1] = Counter();
+}