mirror/gc_n64_usb-v3
1
0
Fork 0
mirror of https://github.com/raphnet/gc_n64_usb-v3 synced 2024-12-21 23:08:53 -05:00
Code Issues Releases Wiki Activity

Add dexdrive N64 save comments support

Browse Source
This commit is contained in:
Raphael Assenat 2015-10-25 02:41:54 -04:00
parent 5a7ae24bb9
commit 3a65359501
4 changed files with 51 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
tool/n64savetool/mempak.c
View File

@ -4,6 +4,7 @@
#include "mempak.h"
#define DEXDRIVE_DATA_OFFSET 0x1040
#define DEXDRIVE_COMMENT_OFFSET 0x40
mempak_structure_t *mempak_new(void)
{
@ -84,18 +85,18 @@ int mempak_saveToFile(mempak_structure_t *mpk, const char *dst_filename, unsigne
fclose(fptr);
return -1;
case MPK_SAVE_FORMAT_MPK:
case MPK_FORMAT_MPK:
fwrite(mpk->data, sizeof(mpk->data), 1, fptr);
break;
case MPK_SAVE_FORMAT_MPK4:
case MPK_FORMAT_MPK4:
fwrite(mpk->data, sizeof(mpk->data), 1, fptr);
fwrite(mpk->data, sizeof(mpk->data), 1, fptr);
fwrite(mpk->data, sizeof(mpk->data), 1, fptr);
fwrite(mpk->data, sizeof(mpk->data), 1, fptr);
break;
case MPK_SAVE_FORMAT_N64:
case MPK_FORMAT_N64:
// Note: This should work well for files that will
// be imported by non-official software which typically
// only look for the 123-456-STD header and then
@ -146,7 +147,11 @@ mempak_structure_t *mempak_loadFromFile(const char *filename)
if (file_size == 0x8000*i) {
num_images = i+1;
printf("MPK file Contains %d image(s)\n", num_images);
mpk->source = MPK_SRC_RAW_IMAGE;
if (file_size == 0x8000) {
mpk->file_format = MPK_FORMAT_MPK;
} else {
mpk->file_format = MPK_FORMAT_MPK4;
}
}
}
@ -157,9 +162,28 @@ mempak_structure_t *mempak_loadFromFile(const char *filename)
fread(header, 11, 1, fptr);
if (0 == memcmp(header, magic, sizeof(header))) {
printf(".N64 file detected\n");
// TODO : Extract comments and other info. from the header
offset = DEXDRIVE_DATA_OFFSET; // Thanks to N-Rage`s Dinput8 Plugin sources
mpk->source = MPK_SRC_DEX_IMAGE;
/* At 0x40 there are often comments in .N64 files.
* The actual memory card data starts at 0x1040.
* This means there are exactly 0x1000 bytes for
* one large comment, or, since 0x1000 / 256 = 16,
* more likely one comment per note? That's what
* I'm assuming here. */
fseek(fptr, DEXDRIVE_COMMENT_OFFSET, SEEK_SET);
#if MAX_NOTE_COMMENT_SIZE != 257
#error
#endif
for (i=0; i<16; i++) {
fread(mpk->note_comments[i], 256, 1, fptr);
/* The comments appear to be zero terminated, but I don't
* know if the original tool allowed entering a maximum
* of 256 or 255 bytes. So to be safe, I use buffers of
* 257 bytes */
mpk->note_comments[i][256] = 0;
}
offset = DEXDRIVE_DATA_OFFSET;
mpk->file_format = MPK_FORMAT_N64;
}
}

14
tool/n64savetool/mempak.h
View File

@ -3,21 +3,23 @@
#define MEMPAK_NUM_NOTES 16
#define MPK_SRC_RAW_IMAGE 0
#define MPK_SRC_DEX_IMAGE 1
#define MAX_NOTE_COMMENT_SIZE 257 // including 0 termination
#define MPK_FORMAT_MPK 0
#define MPK_FORMAT_MPK4 1 // MPK + 3 times 32kB padding
#define MPK_FORMAT_N64 2
typedef struct mempak_structure
{
unsigned char data[0x8000];
unsigned char source;
unsigned char file_format;
char note_comments[MEMPAK_NUM_NOTES][MAX_NOTE_COMMENT_SIZE];
} mempak_structure_t;
mempak_structure_t *mempak_new(void);
mempak_structure_t *mempak_loadFromFile(const char *filename);
#define MPK_SAVE_FORMAT_MPK 0
#define MPK_SAVE_FORMAT_MPK4 1 // MPK + 3 times 32kB padding
#define MPK_SAVE_FORMAT_N64 2
int mempak_saveToFile(mempak_structure_t *mpk, const char *dst_filename, unsigned char format);
int mempak_exportNote(mempak_structure_t *mpk, int note_id, const char *dst_filename);
void mempak_free(mempak_structure_t *mpk);

6
tool/n64savetool/mempak_format.c
View File

@ -6,9 +6,10 @@ int main(int argc, char **argv)
{
mempak_structure_t *mpk;
const char *outfile;
unsigned char type;
if (argc < 2) {
printf("Usage: ./mempak_ls file\n");
printf("Usage: ./mempak_format file\n");
printf("\n");
printf("Raw files (.MPK, .BIN) and Dexdrive (.N64) formats accepted.\n");
return 1;
@ -20,7 +21,8 @@ int main(int argc, char **argv)
return 1;
}
mempak_saveToFile(mpk, outfile, MPK_SAVE_FORMAT_N64);
type = MPK_FORMAT_N64;
mempak_saveToFile(mpk, outfile, type);
mempak_free(mpk);

12
tool/n64savetool/mempak_ls.c
View File

@ -1,4 +1,5 @@
#include <stdio.h>
#include <string.h>
#include "mempak.h"
int main(int argc, char **argv)
@ -21,7 +22,7 @@ int main(int argc, char **argv)
return 1;
}
printf("Mempak image loaded. Image type %d\n", mpk->source);
printf("Mempak image loaded. Image type %d\n", mpk->file_format);
if (0 != validate_mempak(mpk)) {
printf("Mempak invalid (not formatted or corrupted)\n");
@ -40,9 +41,12 @@ int main(int argc, char **argv)
} else {
if (note_data.valid) {
printf("%s (%d blocks) ", note_data.name, note_data.blocks);
printf("%08x ", note_data.vendor);
printf("%04x ", note_data.game_id);
printf("%02x ", note_data.region);
// printf("%08x ", note_data.vendor);
// printf("%04x ", note_data.game_id);
// printf("%02x ", note_data.region);
if (strlen(mpk->note_comments[note]) > 0) {
printf("{ %s }", mpk->note_comments[note]);
}
printf("\n");
} else {
printf("Invalid\n");