mirror of
https://github.com/coderkei/akmenu-next.git
synced 2025-06-18 08:55:46 -04:00
1a76345468
- Rework savemngr to use melonDS ROM list for save type - Use nds-bootstrap in place of akloader for retail game launching
111 lines
3.1 KiB
C++
111 lines
3.1 KiB
C++
/*
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Copyright (C) 2024 lifehackerhansol
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SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#include <sys/stat.h>
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#include <unistd.h>
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#include <cstdio>
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#include <cstring>
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#include <string>
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#include <vector>
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#include <nds/ndstypes.h>
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#include "../cheatwnd.h"
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#include "../dsrom.h"
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#include "../flags.h"
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#include "../inifile.h"
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#include "ILauncher.h"
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#include "NdsBootstrapLauncher.h"
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#include "nds_loader_arm9.h"
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bool NdsBootstrapLauncher::prepareCheats() {
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u32 gameCode, crc32;
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if (cCheatWnd::romData(mRomPath, gameCode, crc32)) {
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FILE* cheatDb = fopen("/__rpg/cheats/usrcheat.dat", "rb");
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if (!cheatDb) goto cheat_failed;
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long cheatOffset;
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size_t cheatSize;
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if (cCheatWnd::searchCheatData(cheatDb, gameCode, crc32, cheatOffset, cheatSize)) {
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cCheatWnd chtwnd((256) / 2, (192) / 2, 100, 100, NULL, mRomPath);
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chtwnd.parse(mRomPath);
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chtwnd.writeCheatsToFile("/_nds/nds-bootstrap/cheatData.bin");
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FILE* cheatData = fopen("/_nds/nds-bootstrap/cheatData.bin", "rb");
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if (cheatData) {
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u32 check[2];
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fread(check, 1, 8, cheatData);
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fclose(cheatData);
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// TODO: Delete file, if above 0x8000 bytes
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if (check[1] == 0xCF000000) goto cheat_failed;
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}
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} else {
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fclose(cheatDb);
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goto cheat_failed;
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}
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fclose(cheatDb);
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}
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return true;
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cheat_failed:
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// Remove cheat bin if exists
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if (access("/_nds/nds-bootstrap/cheatData.bin", F_OK) == 0) {
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remove("/_nds/nds-bootstrap/cheatData.bin");
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}
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return false;
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}
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bool NdsBootstrapLauncher::prepareIni() {
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CIniFile ini;
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ini.SetString("NDS-BOOTSTRAP", "NDS_PATH", mRomPath);
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ini.SetString("NDS-BOOTSTRAP", "SAV_PATH", mSavePath);
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ini.SaveIniFile("/_nds/nds-bootstrap.ini");
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return true;
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}
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bool NdsBootstrapLauncher::launchRom(std::string romPath, std::string savePath, u32 flags,
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u32 cheatOffset, u32 cheatSize) {
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std::string ndsBootstrapPath = "/_nds/nds-bootstrap-release.nds";
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std::vector<const char*> argv;
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mRomPath = romPath;
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mSavePath = savePath;
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mFlags = flags;
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// mRomPath *should* have the drive name set
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// If it doesn't for some reason, default to `fat:/`, because most people are probably using
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// this on flashcart
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if (mRomPath.find("sd:/", 0) == std::string::npos)
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ndsBootstrapPath = "fat:" + ndsBootstrapPath;
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else
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ndsBootstrapPath = "sd:" + ndsBootstrapPath;
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// Create the nds-bootstrap directory if it doesn't exist
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if (access("/_nds/nds-bootstrap/", F_OK) != 0) {
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mkdir("/_nds/nds-bootstrap/", 0777);
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}
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// Setup argv to launch nds-bootstrap
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argv.push_back(ndsBootstrapPath.c_str());
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// Prepare cheat codes if enabled
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if (flags & PATCH_CHEATS) {
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if (!prepareCheats()) return false;
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}
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// Setup nds-bootstrap INI parameters
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if (!prepareIni()) return false;
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// Launch
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eRunNdsRetCode rc = runNdsFile(argv[0], argv.size(), &argv[0]);
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if (rc == RUN_NDS_OK) return true;
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return false;
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}
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