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(svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.

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This commit is contained in:
rubidium
2007-11-07 23:29:43 +00:00
parent 4bcca42762
commit 32e5e8db72
3 changed files with 83 additions and 59 deletions
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134
src/gfxinit.cpp
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@@ -25,7 +25,7 @@ struct MD5File {
};
struct FileList {
MD5File basic[4]; ///< grf files that always have to be loaded
MD5File basic[2]; ///< grf files that always have to be loaded
MD5File landscape[3]; ///< landscape specific grf files
};
@@ -53,7 +53,7 @@ static const SpriteID * const _halftile_foundation_spriteindexes[] = {
};
static uint LoadGrfFile(const char* filename, uint load_index, int file_index)
static uint LoadGrfFile(const char *filename, uint load_index, int file_index)
{
uint load_index_org = load_index;
uint sprite_id = 0;
@@ -110,17 +110,12 @@ static void LoadGrfIndexed(const char* filename, const SpriteID* index_tbl, int
}
/* Check that the supplied MD5 hash matches that stored for the supplied filename */
static bool CheckMD5Digest(const MD5File file, md5_byte_t *digest, bool warn)
{
if (memcmp(file.hash, digest, sizeof(file.hash)) == 0) return true;
if (warn) fprintf(stderr, "MD5 of %s is ****INCORRECT**** - File Corrupt.\n", file.filename);
return false;
}
/* Calculate and check the MD5 hash of the supplied filename.
* returns true if the checksum is correct */
static bool FileMD5(const MD5File file, bool warn)
/**
* Calculate and check the MD5 hash of the supplied filename.
* @param file filename and expected MD5 hash for the given filename.
* @return true if the checksum is correct.
*/
static bool FileMD5(const MD5File file)
{
size_t size;
FILE *f = FioFOpenFile(file.filename, "rb", DATA_DIR, &size);
@@ -137,53 +132,38 @@ static bool FileMD5(const MD5File file, bool warn)
md5_append(&filemd5state, buffer, len);
}
if (ferror(f) && warn) ShowInfoF("Error Reading from %s \n", file.filename);
FioFCloseFile(f);
md5_finish(&filemd5state, digest);
return CheckMD5Digest(file, digest, warn);
return memcmp(file.hash, digest, sizeof(file.hash)) == 0;
} else { // file not found
return false;
}
}
/* Checks, if either the Windows files exist (TRG1R.GRF) or the DOS files (TRG1.GRF)
* by comparing the MD5 checksums of the files. _use_dos_palette is set accordingly.
* If neither are found, Windows palette is assumed.
*
* (Note: Also checks sample.cat for corruption) */
void CheckExternalFiles()
/**
* Determine the palette that has to be used.
* - forced DOS palette via command line -> leave it that way
* - all Windows files present -> Windows palette
* - all DOS files present -> DOS palette
* - no Windows files present and any DOS file present -> DOS palette
* - otherwise -> Windows palette
*/
static void DeterminePalette()
{
uint i;
/* count of files from this version */
if (_use_dos_palette) return;
/* Count of files from the different versions. */
uint dos = 0;
uint win = 0;
for (i = 0; i < 2; i++) if (FileMD5(files_dos.basic[i], true)) dos++;
for (i = 0; i < 3; i++) if (FileMD5(files_dos.landscape[i], true)) dos++;
for (uint i = 0; i < lengthof(files_dos.basic); i++) if (FioCheckFileExists(files_dos.basic[i].filename)) dos++;
for (uint i = 0; i < lengthof(files_dos.landscape); i++) if (FioCheckFileExists(files_dos.landscape[i].filename)) dos++;
for (i = 0; i < 2; i++) if (FileMD5(files_win.basic[i], true)) win++;
for (i = 0; i < 3; i++) if (FileMD5(files_win.landscape[i], true)) win++;
for (uint i = 0; i < lengthof(files_win.basic); i++) if (FioCheckFileExists(files_win.basic[i].filename)) win++;
for (uint i = 0; i < lengthof(files_win.landscape); i++) if (FioCheckFileExists(files_win.landscape[i].filename)) win++;
if (!FileMD5(sample_cat_win, false) && !FileMD5(sample_cat_dos, false))
ShowInfo("Your 'sample.cat' file is corrupted or missing!");
for (i = 0; i < lengthof(files_openttd); i++) {
if (!FileMD5(files_openttd[i], false)) {
ShowInfoF("Your '%s' file is corrupted or missing!", files_openttd[i].filename);
}
}
/*
* forced DOS palette via command line -> leave it that way
* all Windows files present -> Windows palette
* all DOS files present -> DOS palette
* no Windows files present and any DOS file present -> DOS palette
* otherwise -> Windows palette
*/
if (_use_dos_palette) {
return;
} else if (win == 5) {
if (win == 5) {
_use_dos_palette = false;
} else if (dos == 5 || (win == 0 && dos > 0)) {
_use_dos_palette = true;
@@ -192,6 +172,46 @@ void CheckExternalFiles()
}
}
/**
* Checks whether the MD5 checksums of the files are correct.
*
* @note Also checks sample.cat and other required non-NewGRF GRFs for corruption.
*/
void CheckExternalFiles()
{
DeterminePalette();
static const size_t ERROR_MESSAGE_LENGTH = 128;
const FileList *files = _use_dos_palette ? &files_dos : &files_win;
char error_msg[ERROR_MESSAGE_LENGTH * (lengthof(files->basic) + lengthof(files->landscape) + lengthof(files_openttd) + 1)];
error_msg[0] = '\0';
char *add_pos = error_msg;
for (uint i = 0; i < lengthof(files->basic); i++) {
if (!FileMD5(files->basic[i])) {
add_pos += snprintf(add_pos, ERROR_MESSAGE_LENGTH, "Your '%s' file is corrupted or missing! You can find '%s' on your Transport Tycoon Deluxe CD-ROM.\n", files->basic[i].filename, files->basic[i].filename);
}
}
for (uint i = 0; i < lengthof(files->landscape); i++) {
if (!FileMD5(files->landscape[i])) {
add_pos += snprintf(add_pos, ERROR_MESSAGE_LENGTH, "Your '%s' file is corrupted or missing! You can find '%s' on your Transport Tycoon Deluxe CD-ROM.\n", files->landscape[i].filename, files->landscape[i].filename);
}
}
if (!FileMD5(sample_cat_win) && !FileMD5(sample_cat_dos)) {
add_pos += snprintf(add_pos, ERROR_MESSAGE_LENGTH, "Your 'sample.cat' file is corrupted or missing! You can find 'sample.cat' on your Transport Tycoon Deluxe CD-ROM.\n");
}
for (uint i = 0; i < lengthof(files_openttd); i++) {
if (!FileMD5(files_openttd[i])) {
add_pos += snprintf(add_pos, ERROR_MESSAGE_LENGTH, "Your '%s' file is corrupted or missing! The file was part of your installation.\n", files_openttd[i].filename);
}
}
if (add_pos != error_msg) ShowInfoF(error_msg);
}
static const SpriteID trg1idx[] = {
0, 1, ///< Mouse cursor, ZZZ
@@ -332,7 +352,7 @@ static const SpriteID _openttd_grf_indexes[] = {
static void LoadSpriteTables()
{
const FileList* files = _use_dos_palette ? &files_dos : &files_win;
const FileList *files = _use_dos_palette ? &files_dos : &files_win;
uint load_index;
uint i = FIRST_GRF_SLOT;
@@ -340,13 +360,20 @@ static void LoadSpriteTables()
DupSprite( 2, 130); // non-breaking space medium
DupSprite(226, 354); // non-breaking space tiny
DupSprite(450, 578); // non-breaking space large
load_index = 4793;
for (uint j = 1; files->basic[j].filename != NULL; j++) {
load_index += LoadGrfFile(files->basic[j].filename, load_index, i++);
}
/*
* The second basic file always starts at the given location and does
* contain a different amount of sprites depending on the "type"; DOS
* has a few sprites less. However, we do not care about those missing
* sprites as they are not shown anyway (logos in intro game).
*/
LoadGrfFile(files->basic[1].filename, 4793, i++);
/* Load additional sprites for climates other than temperate */
/*
* Load additional sprites for climates other than temperate.
* This overwrites some of the temperate sprites, such as foundations
* and the ground sprites.
*/
if (_opt.landscape != LT_TEMPERATE) {
LoadGrfIndexed(
files->landscape[_opt.landscape - 1].filename,
@@ -355,7 +382,8 @@ static void LoadSpriteTables()
);
}
assert(load_index == SPR_SIGNALS_BASE);
/* Start loading the extra, non-TTD, base GRFs for the given index. */
load_index = SPR_SIGNALS_BASE;
load_index += LoadGrfFile("nsignalsw.grf", load_index, i++);
assert(load_index == SPR_CANALS_BASE);