(svn r7562) -Fix (r7060, 5874): It seems windows doesn't have the same functionality for CreateWindow when starting a program from the console or from the GUI. Because of this starting OpenTTD from the desktop wouldn't maximize the window, even if the config file said so. So work around this...
/* $Id$ */
#include "stdafx.h"
#include "openttd.h"
#include "fileio.h"
#include "functions.h"
#include "string.h"
#include "macros.h"
#include "variables.h"
/*************************************************/
/* FILE IO ROUTINES ******************************/
/*************************************************/
#define FIO_BUFFER_SIZE 512
typedef struct {
byte *buffer, *buffer_end; ///< position pointer in local buffer and last valid byte of buffer
uint32 pos; ///< current (system) position in file
FILE *cur_fh; ///< current file handle
FILE *handles[64]; ///< array of file handles we can have open
byte buffer_start[FIO_BUFFER_SIZE]; ///< local buffer when read from file
} Fio;
static Fio _fio;
// Get current position in file
uint32 FioGetPos(void)
{
return _fio.pos + (_fio.buffer - _fio.buffer_start) - FIO_BUFFER_SIZE;
}
void FioSeekTo(uint32 pos, int mode)
{
if (mode == SEEK_CUR) pos += FioGetPos();
_fio.buffer = _fio.buffer_end = _fio.buffer_start + FIO_BUFFER_SIZE;
_fio.pos = pos;
fseek(_fio.cur_fh, _fio.pos, SEEK_SET);
}
// Seek to a file and a position
void FioSeekToFile(uint32 pos)
{
FILE *f = _fio.handles[pos >> 24];
assert(f != NULL);
_fio.cur_fh = f;
FioSeekTo(GB(pos, 0, 24), SEEK_SET);
}
byte FioReadByte(void)
{
if (_fio.buffer == _fio.buffer_end) {
_fio.pos += FIO_BUFFER_SIZE;
fread(_fio.buffer = _fio.buffer_start, 1, FIO_BUFFER_SIZE, _fio.cur_fh);
}
return *_fio.buffer++;
}
void FioSkipBytes(int n)
{
for (;;) {
int m = min(_fio.buffer_end - _fio.buffer, n);
_fio.buffer += m;
n -= m;
if (n == 0) break;
FioReadByte();
n--;
}
}
uint16 FioReadWord(void)
{
byte b = FioReadByte();
return (FioReadByte() << 8) | b;
}
uint32 FioReadDword(void)
{
uint b = FioReadWord();
return (FioReadWord() << 16) | b;
}
void FioReadBlock(void *ptr, uint size)
{
FioSeekTo(FioGetPos(), SEEK_SET);
_fio.pos += size;
fread(ptr, 1, size, _fio.cur_fh);
}
static inline void FioCloseFile(int slot)
{
if (_fio.handles[slot] != NULL) {
fclose(_fio.handles[slot]);
_fio.handles[slot] = NULL;
}
}
void FioCloseAll(void)
{
int i;
for (i = 0; i != lengthof(_fio.handles); i++)
FioCloseFile(i);
}
bool FioCheckFileExists(const char *filename)
{
FILE *f = FioFOpenFile(filename);
if (f == NULL) return false;
fclose(f);
return true;
}
FILE *FioFOpenFile(const char *filename)
{
FILE *f;
char buf[MAX_PATH];
snprintf(buf, lengthof(buf), "%s%s", _paths.data_dir, filename);
f = fopen(buf, "rb");
#if !defined(WIN32)
if (f == NULL) {
strtolower(buf + strlen(_paths.data_dir) - 1);
f = fopen(buf, "rb");
#if defined SECOND_DATA_DIR
// tries in the 2nd data directory
if (f == NULL) {
snprintf(buf, lengthof(buf), "%s%s", _paths.second_data_dir, filename);
strtolower(buf + strlen(_paths.second_data_dir) - 1);
f = fopen(buf, "rb");
}
#endif
}
#endif
return f;
}
void FioOpenFile(int slot, const char *filename)
{
FILE *f = FioFOpenFile(filename);
if (f == NULL) error("Cannot open file '%s%s'", _paths.data_dir, filename);
FioCloseFile(slot); // if file was opened before, close it
_fio.handles[slot] = f;
FioSeekToFile(slot << 24);
}