mirror of
https://gitlab.com/GaryOderNichts/re3-wiiu.git
synced 2024-11-22 09:09:15 +01:00
implemented CFileMgr (barf)
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aap
parent
8384815dad
commit
886633293d
294
src/FileMgr.cpp
Normal file
294
src/FileMgr.cpp
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@ -0,0 +1,294 @@
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#define _CRT_SECURE_NO_WARNINGS
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#include <fcntl.h>
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#include <direct.h>
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#include "common.h"
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#include "patcher.h"
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#include "FileMgr.h"
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/*
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* Windows FILE is BROKEN for GTA.
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*
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* We need to support mapping between LF and CRLF for text files
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* but we do NOT want to end the file at the first sight of a SUB character.
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* So here is a simple implementation of a FILE interface that works like GTA expects.
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*/
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struct myFILE
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{
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bool isText;
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FILE *file;
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};
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#define NUMFILES 20
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static myFILE myfiles[NUMFILES];
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/* Force file to open as binary but remember if it was text mode */
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static int
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myfopen(const char *filename, const char *mode)
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{
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int fd;
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char realmode[10], *p;
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for(fd = 1; fd < NUMFILES; fd++)
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if(myfiles[fd].file == nil)
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goto found;
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return 0; // no free fd
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found:
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myfiles[fd].isText = strchr(mode, 'b') == nil;
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p = realmode;
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while(*mode)
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if(*mode != 't' && *mode != 'b')
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*p++ = *mode++;
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else
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mode++;
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*p++ = 'b';
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*p = '\0';
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myfiles[fd].file = fopen(filename, realmode);
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if(myfiles[fd].file == nil)
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return 0;
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return fd;
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}
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static void
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myfclose(int fd)
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{
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assert(fd < NUMFILES);
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if(myfiles[fd].file){
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fclose(myfiles[fd].file);
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myfiles[fd].file = nil;
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}
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}
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static int
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myfgetc(int fd)
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{
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int c;
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c = fgetc(myfiles[fd].file);
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if(myfiles[fd].isText && c == 015){
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/* translate CRLF to LF */
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c = fgetc(myfiles[fd].file);
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if(c == 012)
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return c;
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ungetc(c, myfiles[fd].file);
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return 015;
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}
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return c;
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}
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static int
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myfputc(int c, int fd)
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{
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/* translate LF to CRLF */
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if(myfiles[fd].isText && c == 012)
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fputc(015, myfiles[fd].file);
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return fputc(c, myfiles[fd].file);
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}
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static char*
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myfgets(char *buf, int len, int fd)
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{
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int c;
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char *p;
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p = buf;
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len--; // NUL byte
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while(len--){
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c = myfgetc(fd);
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if(c == EOF){
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if(p == buf)
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return nil;
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break;
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}
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*p++ = c;
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if(c == '\n')
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break;
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}
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*p = '\0';
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return buf;
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}
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static int
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myfread(void *buf, size_t elt, size_t n, int fd)
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{
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if(myfiles[fd].isText){
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char *p;
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size_t i;
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int c;
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n *= elt;
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p = (char*)buf;
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for(i = 0; i < n; i++){
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c = myfgetc(fd);
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if(c == EOF)
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break;
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*p++ = c;
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}
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return i / elt;
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}
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return fread(buf, elt, n, myfiles[fd].file);
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}
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static int
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myfwrite(void *buf, size_t elt, size_t n, int fd)
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{
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if(myfiles[fd].isText){
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char *p;
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size_t i;
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int c;
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n *= elt;
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p = (char*)buf;
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for(i = 0; i < n; i++){
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c = *p++;
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myfputc(c, fd);
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if(feof(myfiles[fd].file)) // is this right?
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break;
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}
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return i / elt;
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}
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return fwrite(buf, elt, n, myfiles[fd].file);
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}
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static int
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myfseek(int fd, long offset, int whence)
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{
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return fseek(myfiles[fd].file, offset, whence);
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}
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static int
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myfeof(int fd)
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{
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return feof(myfiles[fd].file);
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}
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char *CFileMgr::ms_rootDirName = (char*)0x5F18F8;
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char *CFileMgr::ms_dirName = (char*)0x713CA8;
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void
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CFileMgr::Initialise(void)
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{
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_getcwd(ms_rootDirName, 128);
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strcat(ms_rootDirName, "\\");
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}
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void
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CFileMgr::ChangeDir(const char *dir)
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{
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if(*dir == '\\'){
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strcpy(ms_dirName, ms_rootDirName);
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dir++;
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}
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if(*dir != '\0'){
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strcat(ms_dirName, dir);
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// BUG in the game it seems, it's off by one
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if(dir[strlen(dir)-1] != '\\')
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strcat(ms_dirName, "\\");
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}
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chdir(ms_dirName);
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}
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void
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CFileMgr::SetDir(const char *dir)
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{
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strcpy(ms_dirName, ms_rootDirName);
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if(*dir != '\0'){
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strcat(ms_dirName, dir);
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// BUG in the game it seems, it's off by one
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if(dir[strlen(dir)-1] != '\\')
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strcat(ms_dirName, "\\");
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}
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chdir(ms_dirName);
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}
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void
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CFileMgr::SetDirMyDocuments(void)
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{
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SetDir(""); // better start at the root if user directory is relative
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chdir(GetUserDirectory());
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}
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int
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CFileMgr::LoadFile(const char *file, uint8 *buf, int unused, const char *mode)
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{
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int fd;
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int n, len;
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fd = myfopen(file, mode);
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if(fd == 0)
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return 0;
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len = 0;
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do{
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n = myfread(buf + len, 1, 0x4000, fd);
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if(n < 0)
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return -1;
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len += n;
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}while(n == 0x4000);
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buf[len] = 0;
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myfclose(fd);
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return len;
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}
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int
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CFileMgr::OpenFile(const char *file, const char *mode)
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{
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return myfopen(file, mode);
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}
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int
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CFileMgr::OpenFileForWriting(const char *file)
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{
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return OpenFile(file, "wb");
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}
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int
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CFileMgr::Read(int fd, char *buf, int len)
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{
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return myfread(buf, 1, len, fd);
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}
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int
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CFileMgr::Write(int fd, char *buf, int len)
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{
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return myfwrite(buf, 1, len, fd);
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}
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bool
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CFileMgr::Seek(int fd, int offset, int whence)
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{
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return !!myfseek(fd, offset, whence);
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}
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char*
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CFileMgr::ReadLine(int fd, char *buf, int len)
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{
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return myfgets(buf, len, fd);
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}
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void
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CFileMgr::CloseFile(int fd)
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{
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myfclose(fd);
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}
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int
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CFileMgr::GetErrorReadWrite(int fd)
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{
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return myfeof(fd);
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}
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STARTPATCHES
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InjectHook(0x478F80, CFileMgr::Initialise, PATCH_JUMP);
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InjectHook(0x478FB0, CFileMgr::ChangeDir, PATCH_JUMP);
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InjectHook(0x479020, CFileMgr::SetDir, PATCH_JUMP);
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InjectHook(0x479080, CFileMgr::SetDirMyDocuments, PATCH_JUMP);
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InjectHook(0x479090, CFileMgr::LoadFile, PATCH_JUMP);
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InjectHook(0x479100, CFileMgr::OpenFile, PATCH_JUMP);
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InjectHook(0x479120, CFileMgr::OpenFileForWriting, PATCH_JUMP);
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InjectHook(0x479140, CFileMgr::Read, PATCH_JUMP);
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InjectHook(0x479160, CFileMgr::Write, PATCH_JUMP);
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InjectHook(0x479180, CFileMgr::Seek, PATCH_JUMP);
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InjectHook(0x4791D0, CFileMgr::ReadLine, PATCH_JUMP);
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InjectHook(0x479200, CFileMgr::CloseFile, PATCH_JUMP);
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InjectHook(0x479210, CFileMgr::GetErrorReadWrite, PATCH_JUMP);
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ENDPATCHES
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21
src/FileMgr.h
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21
src/FileMgr.h
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@ -0,0 +1,21 @@
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#pragma once
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class CFileMgr
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{
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static char *ms_rootDirName; //[128];
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static char *ms_dirName; //[128];
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public:
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static void Initialise(void);
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static void ChangeDir(const char *dir);
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static void SetDir(const char *dir);
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static void SetDirMyDocuments(void);
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static int LoadFile(const char *file, uint8 *buf, int unused, const char *mode);
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static int OpenFile(const char *file, const char *mode);
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static int OpenFileForWriting(const char *file);
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static int Read(int fd, char *buf, int len);
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static int Write(int fd, char *buf, int len);
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static bool Seek(int fd, int offset, int whence);
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static char *ReadLine(int fd, char *buf, int len);
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static void CloseFile(int fd);
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static int GetErrorReadWrite(int fd);
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};
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@ -5,6 +5,7 @@
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#pragma warning(disable: 4244) // int to float
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#pragma warning(disable: 4800) // int to bool
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#pragma warning(disable: 4838) // narrowing conversion
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#pragma warning(disable: 4996) // POSIX names
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#include <stdint.h>
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#include <math.h>
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@ -61,6 +62,8 @@ extern RsGlobalType &RsGlobal;
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#define SCREENW (RsGlobal.maximumWidth)
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#define SCREENH (RsGlobal.maximumHeight)
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char *GetUserDirectory(void);
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struct GlobalScene
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{
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RpWorld *world;
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13
src/main.cpp
13
src/main.cpp
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#include "common.h"
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#include <direct.h>
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#include <Windows.h>
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#include "common.h"
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#include "patcher.h"
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#include "Renderer.h"
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#include "debugmenu_public.h"
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@ -36,6 +37,16 @@ mysrand(unsigned int seed)
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myrand_seed = seed;
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}
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// platform stuff
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char*
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GetUserDirectory(void)
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{
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static char path[MAX_PATH];
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strcpy(path, "userfiles");
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mkdir(path);
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return path;
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}
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int (*open_script_orig)(const char *path, const char *mode);
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int
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