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#include <dirent.h>
#include <fcntl.h>
#include <GLFW/glfw3.h>
#include "Support.h"
#include "Files.h"
int Random()
{
#if RAND_MAX >= 65535
return (rand() % 65535) - 32767;
#else
#error please fix this for your platform
#endif
}
bool IsKeyDown(int key)
{
const auto window = glfwGetCurrentContext();
return glfwGetKey(window, key) == GLFW_PRESS;
}
#ifndef O_BINARY
#define O_BINARY 0
#endif
#ifndef MAX_PATH
#define MAX_PATH 256
#endif
static int find_filename(char *filename)
{
char *ptr;
char *cur;
char *next;
DIR *dir;
struct dirent *dirent;
if (access(filename, R_OK) == 0) {
return 1;
}
ptr = filename;
while (*ptr) {
if (ptr == filename || *ptr == '/') {
if (*ptr == '/') {
cur = ptr+1;
} else {
cur = ptr;
}
if (*cur == 0) {
/* hit the end */
break;
}
next = strchr(cur, '/');
if (ptr != filename) {
*ptr = 0;
}
if (next) {
*next = 0;
}
if (ptr == filename && *ptr == '/') {
dir = opendir("/");
} else {
dir = opendir(filename);
}
if (dir == NULL) {
if (ptr != filename) {
*ptr = '/';
}
if (next) {
*next = 0;
}
return 0;
}
while ((dirent = readdir(dir)) != NULL) {
if (strcasecmp(cur, dirent->d_name) == 0) {
strcpy(cur, dirent->d_name);
break;
}
}
closedir(dir);
if (ptr != filename) {
*ptr = '/';
}
if (next) {
*next = '/';
ptr = next;
} else {
ptr++;
}
} else {
ptr++;
}
}
if (access(filename, R_OK) == 0) {
return 1;
}
return 0;
}
static void fix_filename(const char *original, char *fixed)
{
const char *start;
int i;
int len;
start = original;
if (original[0] == ':') {
start = &original[1];
}
fixed[MAX_PATH-1] = 0;
strncpy(fixed, start, MAX_PATH);
/* check to see if strncpy overwrote the terminator */
if (fixed[MAX_PATH-1] != 0) {
fixed[MAX_PATH-1] = 0;
fprintf(stderr, "ERROR: file truncation error: %s -> %s\n",
original, fixed);
}
len = strlen(fixed);
for (i = 0; i < len; i++) {
if (fixed[i] == ':') {
fixed[i] = '/';
}
}
/*
here we would try to see if the file is available (game dir),
else try another dir
really, this function also needs a flag to indicate whether
it should only go to local (write) or both (read)
*/
if (find_filename(fixed) == 0) {
fprintf(stderr, "find failed: %s\n", fixed);
}
}
/*
Convenient Filename Hacks
*/
int Files::OpenFile(Str255 Name)
{
char filename1[MAX_PATH];
fix_filename((char *)Name, filename1);
sFile = open(filename1, O_RDONLY | O_BINARY);
return sFile;
}
void Files::EndLoad()
{
if (sFile != -1) {
FSClose( sFile );
}
sFile = -1;
}
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