prosperon/source/engine/resources.c

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#include "resources.h"
#include "config.h"
#include <dirent.h>
#include <stddef.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "vec.h"
#include <stdarg.h>
#include <stdio.h>
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#include <string.h>
#include <unistd.h>
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#include <stdlib.h>
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#define __USE_XOPEN_EXTENDED 1
#include <ftw.h>
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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;
struct dirent *c_dirent = NULL;
struct vec *c_vec = NULL;
char pathbuf[MAXPATH];
void resources_init()
{
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DATA_PATH = malloc(256);
getcwd(DATA_PATH, 256);
strncat(DATA_PATH, "/", 256);
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if (!PREF_PATH)
PREF_PATH = strdup("./tmp/");
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}
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 = malloc(sizeof(char) * (end - dirpos - offset + 1));
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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)
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{
if (typeflag == FTW_F) {
const char *ext = strrchr(path, '.');
if (ext != NULL && !strcmp(ext, cur_ext))
vec_add(c_vec, path);
}
return 0;
}
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void fill_extensions(struct vec *vec, const char *path, const char *ext)
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{
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);
}
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FILE *path_open(const char *tag, const char *fmt, ...)
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{
va_list args;
va_start(args, fmt);
vsprintf(pathbuf, fmt, args);
va_end(args);
FILE *f = fopen(pathbuf, tag);
return f;
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}
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char *make_path(const char *file)
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{
strncpy(pathbuf, DATA_PATH, MAXPATH);
strncat(pathbuf, file, MAXPATH);
return pathbuf;
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}