prosperon/source/engine/resources.c
2021-12-01 03:29:18 +00:00

112 lines
2.3 KiB
C

#include "resources.h"
#include "config.h"
#include <dirent.h>
#include <stddef.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "vec.h"
#include <ftw.h>
#include <stdarg.h>
#include <stdio.h>
char *DATA_PATH = NULL;
char *PREF_PATH = NULL;
struct vec *prefabs = NULL;
const char *EXT_PREFAB = ".prefab";
const char *EXT_LEVEL = ".level";
int stemlen = 0;
static const char *cur_ext = NULL;
static DIR *cur_dir = NULL;
struct dirent *c_dirent = NULL;
struct vec *c_vec = NULL;
char pathbuf[MAXPATH];
void resources_init()
{
char *dpath = SDL_GetBasePath();
DATA_PATH = malloc(strlen(dpath) + 1);
strcpy(DATA_PATH, dpath);
char *ppath = SDL_GetPrefPath("Odplot", "Test Game");
PREF_PATH = malloc(strlen(ppath) + 1);
strcpy(PREF_PATH, ppath);
}
char *get_filename_from_path(char *path, int extension)
{
char *dirpos = strrchr(path, '/');
if (!dirpos)
dirpos = path;
char *end = strrchr(path, '\0');
int offset = 0;
if (!extension) {
char *ext = strrchr(path, '.');
offset = end - ext;
printf("Making without extension ...\n");
}
char *filename =
(char *) malloc(sizeof(char) * (end - dirpos - offset + 1));
strncpy(filename, dirpos, end - dirpos - offset);
return filename;
}
char *get_directory_from_path(char *path)
{
const char *dirpos = strrchr(path, '/');
char *directory = (char *) malloc(sizeof(char) * (dirpos - path + 1));
strncpy(directory, path, dirpos - path);
return directory;
}
FILE *res_open(char *path, const char *tag)
{
strncpy(pathbuf, DATA_PATH, MAXPATH);
strncat(pathbuf, path, MAXPATH);
FILE *f = fopen(pathbuf, tag);
return f;
}
static int ext_check(const char *path, const struct stat *sb, int typeflag,
struct FTW *ftwbuf)
{
if (typeflag == FTW_F) {
const char *ext = strrchr(path, '.');
if (ext != NULL && !strcmp(ext, cur_ext))
vec_add(c_vec, path);
}
return 0;
}
void fill_extensions(struct vec *vec, char *path, const char *ext)
{
c_vec = vec;
cur_ext = ext;
vec_clear(c_vec);
nftw(path, &ext_check, 10, 0);
}
void findPrefabs()
{
fill_extensions(prefabs, DATA_PATH, EXT_PREFAB);
}
FILE *path_open(const char *fmt, const char *tag, ...)
{
va_list args;
va_start(args, fmt);
vsprintf(pathbuf, fmt, args);
va_end(args);
FILE *f = fopen(pathbuf, tag);
return f;
}