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Add basic CISO support for Nintendont

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This commit is contained in:
wiidev 2023-01-01 17:00:24 +00:00
parent 55e524af9f
commit 2ee86d1281
1 changed files with 43 additions and 2 deletions
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45
source/GameCube/GCGames.cpp
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@ -136,19 +136,30 @@ void GCGames::LoadGameList(const std::string &path, std::vector<struct discHdr>
for (int i = 0; i < 4; i++) for (int i = 0; i < 4; i++)
{ {
char name[50]; char name[12];
snprintf(name, sizeof(name), "%.6s.%s", (i % 2) == 0 ? "game" : (char *)id, i >= 2 ? "gcm" : "iso"); snprintf(name, sizeof(name), "%.6s.%s", (i % 2) == 0 ? "game" : (char *)id, i >= 2 ? "gcm" : "iso");
snprintf(fpath, sizeof(fpath), "%s%s/%s", path.c_str(), dirname, name); snprintf(fpath, sizeof(fpath), "%s%s/%s", path.c_str(), dirname, name);
if ((found = (stat(fpath, &st) == 0)) == true) if ((found = (stat(fpath, &st) == 0)) == true)
break; break;
} }
if (!found)
{
for (int i = 0; i < 2; i++)
{
char name[12];
snprintf(name, sizeof(name), "%.6s.ciso", (i % 2) == 0 ? "game" : (char *)id);
snprintf(fpath, sizeof(fpath), "%s%s/%s", path.c_str(), dirname, name);
if ((found = (stat(fpath, &st) == 0)) == true)
break;
}
}
// Check if only disc2.iso is present // Check if only disc2.iso is present
if (!found) if (!found)
{ {
for (int i = 0; i < 2; i++) for (int i = 0; i < 2; i++)
{ {
char name[50]; char name[12];
snprintf(name, sizeof(name), "disc2.%s", (i % 2) == 0 ? "gcm" : "iso"); // allow gcm, though DM(L) require "disc2.iso" filename snprintf(name, sizeof(name), "disc2.%s", (i % 2) == 0 ? "gcm" : "iso"); // allow gcm, though DM(L) require "disc2.iso" filename
snprintf(fpath, sizeof(fpath), "%s%s/%s", path.c_str(), dirname, name); snprintf(fpath, sizeof(fpath), "%s%s/%s", path.c_str(), dirname, name);
if ((found = (stat(fpath, &st) == 0)) == true) if ((found = (stat(fpath, &st) == 0)) == true)
@ -159,6 +170,18 @@ void GCGames::LoadGameList(const std::string &path, std::vector<struct discHdr>
} }
} }
if (!found)
{
char name[12];
snprintf(name, sizeof(name), "disc2.ciso");
snprintf(fpath, sizeof(fpath), "%s%s/%s", path.c_str(), dirname, name);
if ((found = (stat(fpath, &st) == 0)) == true)
{
disc_number = 1;
break;
}
}
if (!found) if (!found)
{ {
snprintf(fpath, sizeof(fpath), "%s%s/sys/boot.bin", path.c_str(), dirname); snprintf(fpath, sizeof(fpath), "%s%s/sys/boot.bin", path.c_str(), dirname);
@ -176,7 +199,16 @@ void GCGames::LoadGameList(const std::string &path, std::vector<struct discHdr>
FILE *fp = fopen(fpath, "rb"); FILE *fp = fopen(fpath, "rb");
if (fp != NULL) if (fp != NULL)
{ {
u32 cios_magic;
memset(&tmpHdr, 0, sizeof(tmpHdr)); memset(&tmpHdr, 0, sizeof(tmpHdr));
fread(&cios_magic, sizeof(u32), 1, fp);
if (cios_magic == 0x4349534F)
{
tmpHdr.is_ciso = 1;
fseek(fp, 0x8000, SEEK_SET);
}
else
fseek(fp, 0, SEEK_SET);
fread(&tmpHdr, sizeof(struct discHdr), 1, fp); fread(&tmpHdr, sizeof(struct discHdr), 1, fp);
fclose(fp); fclose(fp);
@ -216,7 +248,16 @@ void GCGames::LoadGameList(const std::string &path, std::vector<struct discHdr>
FILE *fp = fopen(fpath, "rb"); FILE *fp = fopen(fpath, "rb");
if (fp != NULL) if (fp != NULL)
{ {
u32 cios_magic;
memset(&tmpHdr, 0, sizeof(tmpHdr)); memset(&tmpHdr, 0, sizeof(tmpHdr));
fread(&cios_magic, sizeof(u32), 1, fp);
if (cios_magic == 0x4349534F)
{
tmpHdr.is_ciso = 1;
fseek(fp, 0x8000, SEEK_SET);
}
else
fseek(fp, 0, SEEK_SET);
fread(&tmpHdr, sizeof(struct discHdr), 1, fp); fread(&tmpHdr, sizeof(struct discHdr), 1, fp);
fclose(fp); fclose(fp);