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Undertale 3ds game unx #29

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Undertale 3ds game unx #29

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324bbbc
add game.unx support to patcher for linux undertale
bitten2up Aug 8, 2026
84d4fea
game.unx support added
bitten2up Aug 8, 2026
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2 changes: 2 additions & 0 deletions src/n3ds/main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -460,6 +460,8 @@ static void N3DS_drawFallbackRoomBorder(void) {

static char* chooseDataWinPath(void) {
if (fileExists("romfs:/data.win")) return safeStrdup("romfs:/data.win");
if (fileExists("romfs:/game.unx")) return safeStrdup("romfs:/game.unx");
if (fileExists("sdmc:/3ds/cinnamon/game.unx")) return safeStrdup("sdmc:/3ds/cinnamon/game.unx");
return safeStrdup("sdmc:/3ds/cinnamon/data.win");
}

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21 changes: 18 additions & 3 deletions tools/n3ds-preprocess/main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -4247,7 +4247,7 @@ static bool resolveUndertaleDataWinPath(const char* candidate, char* dataWinPath
if (candidate == NULL || candidate[0] == '\0') return false;

if (fileExists(candidate)) {
if (stringContainsIgnoreCase(candidate, "data.win")) {
if (stringContainsIgnoreCase(candidate, "data.win") || stringContainsIgnoreCase(candidate, "game.unx")) {
snprintf(dataWinPath, dataWinPathSize, "%s", candidate);
return true;
}
Expand All @@ -4266,6 +4266,15 @@ static bool resolveUndertaleDataWinPath(const char* candidate, char* dataWinPath
snprintf(dataWinPath, dataWinPathSize, "%s", directPath);
return true;
}
#if N3DS_PREPROCESS_HOST_WINDOWS
snprintf(directPath, sizeof(directPath), "%s\\game.unx", candidate);
#else
snprintf(directPath, sizeof(directPath), "%s/game.unx", candidate);
#endif
if (fileExists(directPath)) {
snprintf(dataWinPath, dataWinPathSize, "%s", directPath);
return true;
}

#if N3DS_PREPROCESS_HOST_WINDOWS
snprintf(directPath, sizeof(directPath), "%s\\UNDERTALE.exe", candidate);
Expand All @@ -4277,6 +4286,12 @@ static bool resolveUndertaleDataWinPath(const char* candidate, char* dataWinPath
snprintf(dataWinPath, dataWinPathSize, "%s\\data.win", candidate);
#else
snprintf(dataWinPath, dataWinPathSize, "%s/data.win", candidate);
#endif
if (fileExists(dataWinPath)) return true;
#if N3DS_PREPROCESS_HOST_WINDOWS
snprintf(dataWinPath, dataWinPathSize, "%s\\game.unx", candidate);
#else
snprintf(dataWinPath, dataWinPathSize, "%s/game.unx", candidate);
#endif
if (fileExists(dataWinPath)) return true;
}
Expand Down Expand Up @@ -4978,8 +4993,8 @@ int main(int argc, char** argv) {
}

if (!normalizeInputDataWinPath(&options)) {
fprintf(stderr, "Could not resolve data.win from: %s\n", options.inputPath);
fprintf(stderr, "Pass either the Undertale folder or the full path to data.win.\n");
fprintf(stderr, "Could not resolve data.win or game.unx from: %s\n", options.inputPath);
fprintf(stderr, "Pass either the Undertale folder or the full path to data.win or game.unx.\n");
return 1;
}

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