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rct2.c: port check_files_integrity().

This commit is contained in:
Patrick Wijnings 2014-06-19 13:52:34 +02:00
parent bf8bc151b9
commit 14aba8e7d9
2 changed files with 63 additions and 2 deletions
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28
src/rct2.c
View File

@ -237,7 +237,9 @@ void rct2_startup_checks()
RCT2_CALLPROC_X(0x006E3838, 0x343, 0xB2B, 0, 0, 0, 0, 0); // exit_with_error
}
RCT2_CALLPROC_EBPSAFE(0x00674C0B);
// Check data files
// TODO: implement check_file_paths @ 0x00674C95
check_files_integrity();
}
void rct2_update()
@ -326,6 +328,30 @@ int check_mutex()
return 0;
}
// rct2: 0x00674C0B
void check_files_integrity()
{
int i = 0;
while (files_to_check[i].path_id != PATH_ID_END)
{
WIN32_FIND_DATA find_data;
const char * path = get_file_path(files_to_check[i].path_id);
HANDLE file = FindFirstFile(path, &find_data);
if (file == INVALID_HANDLE_VALUE || find_data.nFileSizeLow != files_to_check[i].file_size)
{
if (file != INVALID_HANDLE_VALUE)
FindClose(file);
RCT2_ERROR("Integrity check failed for %s", path);
RCT2_CALLPROC_X(0x006E3838, 0x343, 0x337, 0, 0, 0, 0, 0); // exit_with_error
}
FindClose(file);
i += 1;
}
}
void rct2_update_2()
{
int tick, tick2;

37
src/rct2.h
View File

@ -157,9 +157,11 @@ enum {
PATH_ID_CSS43,
PATH_ID_CSS44,
PATH_ID_CSS45,
PATH_ID_CSS46
PATH_ID_CSS46,
PATH_ID_END
};
// rct2 @ 0x0097F67C
static const char * const file_paths[] =
{
"Data\\G1.DAT",
@ -226,9 +228,42 @@ static const char * const file_paths[] =
"Data\\CSS46.DAT"
};
// Files to check (rct2 @ 0x0097FB5A)
static const struct file_to_check
{
int path_id; // ID of file
unsigned int file_size; // Expected size in bytes
} files_to_check[] = {
{ PATH_ID_CSS18, 8429568 },
{ PATH_ID_CSS19, 10143784 },
{ PATH_ID_CSS20, 12271656 },
{ PATH_ID_CSS21, 9680968 },
{ PATH_ID_CSS22, 10062056 },
{ PATH_ID_CSS23, 11067432 },
{ PATH_ID_CSS24, 12427456 },
{ PATH_ID_CSS25, 15181512 },
{ PATH_ID_CSS26, 10694816 },
{ PATH_ID_CSS27, 10421232 },
{ PATH_ID_CSS28, 13118376 },
{ PATH_ID_CSS29, 15310892 },
{ PATH_ID_CSS30, 10215464 },
{ PATH_ID_CSS31, 11510316 },
{ PATH_ID_CSS32, 11771944 },
{ PATH_ID_CSS33, 10759724 },
{ PATH_ID_CSS34, 14030716 },
{ PATH_ID_CSS35, 11642576 },
{ PATH_ID_CSS36, 8953764 },
{ PATH_ID_CSS37, 13303852 },
{ PATH_ID_CSS38, 10093888 },
{ PATH_ID_CSS39, 7531564 },
{ PATH_ID_CSS40, 5291306 },
{ PATH_ID_END, 0 }
};
void rct2_endupdate();
void subsitute_path(char *dest, const char *path, const char *filename);
int check_mutex();
void check_files_integrity();
const char *get_file_path(int pathId);
void get_system_info();
void get_system_time();