make some working shit. bahaahhhaahahahaaaahahahhaa

src/frontend/qt_sdl/ROMLoader.cpp

@@ -26,7 +26,7 @@
 #include "ArchiveUtil.h"
 #endif
 #include "ROMLoader.h"
-#include "SharedConfig.h"
+#include "Config.h"
 #include "Platform.h"
 
 #include "NDS.h"
@@ -39,51 +39,47 @@
 namespace ROMLoader
 {
 
-std::string ROMPath     [ROMSlot_MAX];
+std::string FullROMPath;
-std::string SRAMPath    [ROMSlot_MAX];
+std::string BaseROMDir;
-std::string PrevSRAMPath[ROMSlot_MAX]; // for savestate 'undo load'
+std::string BaseROMName;
-
-std::string NDSROMExtension;
-
-bool SavestateLoaded;
-
-ARCodeFile* CheatFile;
-bool CheatsOn;
 
 
-/*void Init_ROM()
+int LastSep(std::string path)
 {
-    SavestateLoaded = false;
+    int i = path.length() - 1;
+    while (i >= 0)
+    {
+        if (path[i] == '/' || path[i] == '\\')
+            return i;
 
-    ROMPath[ROMSlot_NDS] = "";
+        i--;
-    ROMPath[ROMSlot_GBA] = "";
+    }
-    SRAMPath[ROMSlot_NDS] = "";
-    SRAMPath[ROMSlot_GBA] = "";
-    PrevSRAMPath[ROMSlot_NDS] = "";
-    PrevSRAMPath[ROMSlot_GBA] = "";
 
-    CheatFile = nullptr;
+    return -1;
-    CheatsOn = false;
 }
 
-void DeInit_ROM()
+std::string GetAssetPath(std::string configpath, std::string ext)
 {
-    if (CheatFile)
+    if (configpath.empty())
+        configpath = BaseROMDir;
+
+    for (;;)
     {
-        delete CheatFile;
+        int i = configpath.length() - 1;
-        CheatFile = nullptr;
+        if (configpath[i] == '/' || configpath[i] == '\\')
+            configpath = configpath.substr(0, i);
+        else
+            break;
     }
-}*/
 
-// TODO: currently, when failing to load a ROM for whatever reason, we attempt
+    if (!configpath.empty())
-// to revert to the previous state and resume execution; this may not be a very
+        configpath += "/";
-// good thing, depending on what state the core was left in.
+
-// should we do a better state revert (via the savestate system)? completely stop?
+    return configpath + BaseROMName + ext;
+}
+
+
 
-/*void SetupSRAMPath(int slot)
-{
-    SRAMPath[slot] = ROMPath[slot].substr(0, ROMPath[slot].length() - 3) + "sav";
-}*/
 
 QString VerifyDSBIOS()
 {
@@ -266,12 +262,16 @@ bool LoadROM(QStringList filepath, bool reset)
     u8* filedata;
     u32 filelen;
 
+    std::string basepath;
+    std::string romname;
+
     int num = filepath.count();
     if (num == 1)
     {
         // regular file
 
-        FILE* f = Platform::OpenFile(filepath.at(0).toStdString(), "rb", true);
+        std::string filename = filepath.at(0).toStdString();
+        FILE* f = Platform::OpenFile(filename, "rb", true);
         if (!f) return false;
 
         fseek(f, 0, SEEK_END);
@@ -294,13 +294,19 @@ bool LoadROM(QStringList filepath, bool reset)
 
         fclose(f);
         filelen = (u32)len;
+
+        int pos = LastSep(filename);
+        basepath = filename.substr(0, pos);
+        romname = filename.substr(pos+1);
     }
 #ifdef ARCHIVE_SUPPORT_ENABLED
     else if (num == 2)
     {
         // file inside archive
 
-        u32 lenread = Archive::ExtractFileFromArchive(filepath.at(0), filepath.at(1), &filedata, &filelen);
+        QString archivepath = filepath.at(0);
+
+        u32 lenread = Archive::ExtractFileFromArchive(archivepath, filepath.at(1), &filedata, &filelen);
         if (lenread < 0) return false;
         if (!filedata) return false;
         if (lenread != filelen)
@@ -308,247 +314,55 @@ bool LoadROM(QStringList filepath, bool reset)
             delete[] filedata;
             return false;
         }
+
+        std::string std_archivepath = archivepath.toStdString();
+        basepath = std_archivepath.substr(0, LastSep(std_archivepath));
+
+        std::string std_romname = filepath.at(1).toStdString();
+        romname = std_romname.substr(LastSep(std_romname)+1);
     }
 #endif
     else
         return false;
 
+    //
+    printf("BASE PATH IS %s\n", basepath.c_str());
+    printf("ROM NAME IS %s\n", romname.c_str());
+    BaseROMDir = basepath;
+
+    BaseROMName = romname.substr(0, romname.rfind('.'));
+
     if (reset)
     {
         NDS::Reset();
     }
 
-    // TODO: SAVE
+    u32 savelen = 0;
-    return NDS::LoadCart(filedata, filelen, nullptr, 0);
+    u8* savedata = nullptr;
-}
 
-
+    std::string savname = GetAssetPath(Config::SaveFilePath, ".sav");
-
+    FILE* sav = Platform::OpenFile(savname, "rb", true);
-void LoadCheats()
+    if (sav)
-{
-    if (CheatFile)
     {
-        delete CheatFile;
+        fseek(sav, 0, SEEK_END);
-        CheatFile = nullptr;
+        savelen = (u32)ftell(sav);
+
+        fseek(sav, 0, SEEK_SET);
+        savedata = new u8[savelen];
+        fread(savedata, savelen, 1, sav);
+        fclose(sav);
     }
 
-    std::string filename;
+    bool res = NDS::LoadCart(filedata, filelen, savedata, savelen);
-    if (!ROMPath[ROMSlot_NDS].empty())
-    {
-        filename = ROMPath[ROMSlot_NDS].substr(0, ROMPath[ROMSlot_NDS].length() - 3) + "mch";
-    }
-    else
-    {
-        filename = "firmware.mch";
-    }
 
-    // TODO: add custom path here
+    delete[] savedata;
-
+    delete[] filedata;
-    // TODO: check for error (malformed cheat file, ...)
-    CheatFile = new ARCodeFile(filename);
-
-    AREngine::SetCodeFile(CheatsOn ? CheatFile : nullptr);
-}
-
-/*int LoadBIOS()
-{
-    DSi::CloseDSiNAND();
-
-    int res;
-
-    res = VerifyDSBIOS();
-    if (res != Load_OK) return res;
-
-    if (Config::ConsoleType == 1)
-    {
-        res = VerifyDSiBIOS();
-        if (res != Load_OK) return res;
-
-        res = VerifyDSiFirmware();
-        if (res != Load_OK) return res;
-
-        res = SetupDSiNAND();
-        if (res != Load_OK) return res;
-    }
-    else
-    {
-        res = VerifyDSFirmware();
-        if (res != Load_OK) return res;
-    }
-
-    // TODO:
-    // original code in the libui frontend called NDS::LoadGBAROM() if needed
-    // should this be carried over here?
-    // is that behavior consistent with that of LoadROM() below?
-
-    ROMPath[ROMSlot_NDS] = "";
-    SRAMPath[ROMSlot_NDS] = "";
-
-    NDS::SetConsoleType(Config::ConsoleType);
-    NDS::LoadBIOS();
-
-    SavestateLoaded = false;
-
-    LoadCheats();
-
-    return Load_OK;
-}
-
-int LoadROM(const u8 *romdata, u32 romlength, const char *archivefilename, const char *romfilename, const char *sramfilename, int slot)
-{
-    int res;
-    bool directboot = Config::DirectBoot;
-
-    if (Config::ConsoleType == 1 && slot == 1)
-    {
-        // cannot load a GBA ROM into a DSi
-        return Load_ROMLoadError;
-    }
-
-    res = VerifyDSBIOS();
-    if (res != Load_OK) return res;
-
-    if (Config::ConsoleType == 1)
-    {
-        res = VerifyDSiBIOS();
-        if (res != Load_OK) return res;
-
-        res = VerifyDSiFirmware();
-        if (res != Load_OK) return res;
-
-        res = SetupDSiNAND();
-        if (res != Load_OK) return res;
-
-        GBACart::Eject();
-        ROMPath[ROMSlot_GBA] = "";
-    }
-    else
-    {
-        res = VerifyDSFirmware();
-        if (res != Load_OK)
-        {
-            if (res == Load_FirmwareNotBootable)
-                directboot = true;
-            else
     return res;
-        }
-    }
-
-    std::string oldpath = ROMPath[slot];
-    std::string oldsram = SRAMPath[slot];
-
-    SRAMPath[slot] = sramfilename;
-    ROMPath[slot] = archivefilename;
-
-    NDS::SetConsoleType(Config::ConsoleType);
-
-/*    if (slot == ROMSlot_NDS && NDS::LoadROM(romdata, romlength, SRAMPath[slot].c_str(), directboot))
-    {
-        SavestateLoaded = false;
-
-        LoadCheats();
-
-        // Reload the inserted GBA cartridge (if any)
-        // TODO: report failure there??
-        //if (!ROMPath[ROMSlot_GBA].empty()) NDS::LoadGBAROM(ROMPath[ROMSlot_GBA], SRAMPath[ROMSlot_GBA]);
-
-        PrevSRAMPath[slot] = SRAMPath[slot]; // safety
-        return Load_OK;
-    }
-    else if (slot == ROMSlot_GBA && NDS::LoadGBAROM(romdata, romlength, romfilename, SRAMPath[slot].c_str()))
-    {
-        SavestateLoaded = false; // checkme??
-
-        PrevSRAMPath[slot] = SRAMPath[slot]; // safety
-        return Load_OK;
-    }
-    else*-/
-    {
-        ROMPath[slot] = oldpath;
-        SRAMPath[slot] = oldsram;
-        return Load_ROMLoadError;
-    }
 }
 
-int LoadROM(const char* file, int slot)
-{
-    DSi::CloseDSiNAND();
 
-    int res;
-    bool directboot = Config::DirectBoot != 0;
 
-    if (Config::ConsoleType == 1 && slot == 1)
-    {
-        // cannot load a GBA ROM into a DSi
-        return Load_ROMLoadError;
-    }
 
-    res = VerifyDSBIOS();
-    if (res != Load_OK) return res;
-
-    if (Config::ConsoleType == 1)
-    {
-        res = VerifyDSiBIOS();
-        if (res != Load_OK) return res;
-
-        res = VerifyDSiFirmware();
-        if (res != Load_OK) return res;
-
-        res = SetupDSiNAND();
-        if (res != Load_OK) return res;
-
-        GBACart::Eject();
-        ROMPath[ROMSlot_GBA] = "";
-    }
-    else
-    {
-        res = VerifyDSFirmware();
-        if (res != Load_OK)
-        {
-            if (res == Load_FirmwareNotBootable)
-                directboot = true;
-            else
-                return res;
-        }
-    }
-
-    std::string oldpath = ROMPath[slot];
-    std::string oldsram = SRAMPath[slot];
-
-    ROMPath[slot] = file;
-
-    SetupSRAMPath(0);
-    SetupSRAMPath(1);
-
-    NDS::SetConsoleType(Config::ConsoleType);
-
-    /*if (slot == ROMSlot_NDS && NDS::LoadROM(ROMPath[slot].c_str(), SRAMPath[slot].c_str(), directboot))
-    {
-        SavestateLoaded = false;
-
-        LoadCheats();
-
-        // Reload the inserted GBA cartridge (if any)
-        // TODO: report failure there??
-        if (!ROMPath[ROMSlot_GBA].empty()) NDS::LoadGBAROM(ROMPath[ROMSlot_GBA].c_str(), SRAMPath[ROMSlot_GBA].c_str());
-
-        PrevSRAMPath[slot] = SRAMPath[slot]; // safety
-        return Load_OK;
-    }
-    else if (slot == ROMSlot_GBA && NDS::LoadGBAROM(ROMPath[slot].c_str(), SRAMPath[slot].c_str()))
-    {
-        SavestateLoaded = false; // checkme??
-
-        PrevSRAMPath[slot] = SRAMPath[slot]; // safety
-        return Load_OK;
-    }
-    else*-/
-    {
-        ROMPath[slot] = oldpath;
-        SRAMPath[slot] = oldsram;
-        return Load_ROMLoadError;
-    }
-}*/
 
 void ROMIcon(u8 (&data)[512], u16 (&palette)[16], u32* iconRef)
 {
@@ -616,318 +430,4 @@ void AnimatedROMIcon(u8 (&data)[8][512], u16 (&palette)[8][16], u16 (&sequence)[
     }
 }
 
-void UnloadROM(int slot)
-{
-    if (slot == ROMSlot_NDS)
-    {
-        // TODO!
-    }
-    else if (slot == ROMSlot_GBA)
-    {
-        GBACart::Eject();
-    }
-
-    ROMPath[slot] = "";
-
-    DSi::CloseDSiNAND();
-}
-
-int Reset()
-{
-    /*DSi::CloseDSiNAND();
-
-    int res;
-    bool directboot = Config::DirectBoot != 0;
-
-    res = VerifyDSBIOS();
-    if (res != Load_OK) return res;
-
-    if (Config::ConsoleType == 1)
-    {
-        res = VerifyDSiBIOS();
-        if (res != Load_OK) return res;
-
-        res = VerifyDSiFirmware();
-        if (res != Load_OK) return res;
-
-        res = SetupDSiNAND();
-        if (res != Load_OK) return res;
-
-        GBACart::Eject();
-        ROMPath[ROMSlot_GBA][0] = '\0';
-    }
-    else
-    {
-        res = VerifyDSFirmware();
-        if (res != Load_OK)
-        {
-            if (res == Load_FirmwareNotBootable)
-                directboot = true;
-            else
-                return res;
-        }
-    }
-
-    SavestateLoaded = false;
-
-    NDS::SetConsoleType(Config::ConsoleType);
-
-    if (ROMPath[ROMSlot_NDS].empty())
-    {
-        NDS::LoadBIOS();
-    }
-    else
-    {
-        std::string ext = ROMPath[ROMSlot_NDS].substr(ROMPath[ROMSlot_NDS].length() - 4);
-        std::transform(ext.begin(), ext.end(), ext.begin(), tolower);
-
-        if (ext == ".nds" || ext == ".srl" || ext == ".dsi")
-        {
-            SetupSRAMPath(0);
-            //if (!NDS::LoadROM(ROMPath[ROMSlot_NDS].c_str(), SRAMPath[ROMSlot_NDS].c_str(), directboot))
-            //    return Load_ROMLoadError;
-        }
-#ifdef ARCHIVE_SUPPORT_ENABLED
-        else
-        {
-            // TODO!!!
-            // THIS WILL BREAK IF CUSTOM SRAM PATHS ARE ADDED
-
-            /*u8 *romdata = nullptr; u32 romlen;
-            char romfilename[1024] = {0}, sramfilename[1024];
-            strncpy(sramfilename, SRAMPath[ROMSlot_NDS], 1024); // Use existing SRAMPath
-
-            int pos = strlen(sramfilename) - 1;
-            while (pos > 0 && sramfilename[pos] != '/' && sramfilename[pos] != '\\')
-                --pos;
-
-            strncpy(romfilename, &sramfilename[pos + 1], 1024);
-            strncpy(&romfilename[strlen(romfilename) - 3], NDSROMExtension, 3); // extension could be nds, srl or dsi
-            printf("RESET loading from archive : %s\n", romfilename);
-            romlen = Archive::ExtractFileFromArchive(ROMPath[ROMSlot_NDS], romfilename, &romdata);
-            if (!romdata)
-                return Load_ROMLoadError;
-
-            bool ok = NDS::LoadROM(romdata, romlen, sramfilename, directboot);
-            delete romdata;
-            if (!ok)*-/
-                return Load_ROMLoadError;
-        }
-#endif
-    }
-
-    if (!ROMPath[ROMSlot_GBA].empty())
-    {
-        std::string ext = ROMPath[ROMSlot_GBA].substr(ROMPath[ROMSlot_GBA].length() - 4);
-        std::transform(ext.begin(), ext.end(), ext.begin(), tolower);
-
-        if (ext == ".gba")
-        {
-            SetupSRAMPath(1);
-            //if (!NDS::LoadGBAROM(ROMPath[ROMSlot_GBA].c_str(), SRAMPath[ROMSlot_GBA].c_str()))
-            //    return Load_ROMLoadError;
-        }
-#ifdef ARCHIVE_SUPPORT_ENABLED
-        else
-        {
-            // TODO!! SAME AS ABOVE
-
-            /*u8 *romdata = nullptr; u32 romlen;
-            char romfilename[1024] = {0}, sramfilename[1024];
-            strncpy(sramfilename, SRAMPath[ROMSlot_GBA], 1024); // Use existing SRAMPath
-
-            int pos = strlen(sramfilename) - 1;
-            while (pos > 0 && sramfilename[pos] != '/' && sramfilename[pos] != '\\')
-                --pos;
-
-            strncpy(romfilename, &sramfilename[pos + 1], 1024);
-            strncpy(&romfilename[strlen(romfilename) - 3], "gba", 3);
-            printf("RESET loading from archive : %s\n", romfilename);
-            romlen = Archive::ExtractFileFromArchive(ROMPath[ROMSlot_GBA], romfilename, &romdata);
-            if (!romdata)
-                return Load_ROMLoadError;
-
-            bool ok = NDS::LoadGBAROM(romdata, romlen, romfilename, SRAMPath[ROMSlot_GBA]);
-            delete romdata;
-            if (!ok)*-/
-                return Load_ROMLoadError;
-        }
-#endif
-    }
-
-    LoadCheats();*/
-
-    return Load_OK;
-}
-
-
-// SAVESTATE TODO
-// * configurable paths. not everyone wants their ROM directory to be polluted, I guess.
-
-std::string GetSavestateName(int slot)
-{
-    std::string filename;
-
-    if (ROMPath[ROMSlot_NDS].empty()) // running firmware, no ROM
-    {
-        filename = "firmware";
-    }
-    else
-    {
-        std::string rompath;
-        std::string ext = ROMPath[ROMSlot_NDS].substr(ROMPath[ROMSlot_NDS].length() - 4);
-        std::transform(ext.begin(), ext.end(), ext.begin(), tolower);
-
-        // TODO!!! MORE SHIT THAT IS GONNA ASPLODE
-        if (ext == ".nds" || ext == ".srl" || ext == ".dsi")
-            rompath = ROMPath[ROMSlot_NDS];
-        else
-            rompath = SRAMPath[ROMSlot_NDS]; // If archive, construct ssname from sram file
-
-        filename = rompath.substr(0, rompath.rfind('.'));
-    }
-
-    filename += ".ml";
-    filename += ('0'+slot);
-
-    return filename;
-}
-
-bool SavestateExists(int slot)
-{
-    std::string ssfile = GetSavestateName(slot);
-    return Platform::FileExists(ssfile);
-}
-
-bool LoadState(std::string filename)
-{
-    u32 oldGBACartCRC = GBACart::CartCRC;
-
-    // backup
-    Savestate* backup = new Savestate("timewarp.mln", true);
-    NDS::DoSavestate(backup);
-    delete backup;
-
-    bool failed = false;
-
-    Savestate* state = new Savestate(filename, false);
-    if (state->Error)
-    {
-        delete state;
-
-        //uiMsgBoxError(MainWindow, "Error", "Could not load savestate file.");
-
-        // current state might be crapoed, so restore from sane backup
-        state = new Savestate("timewarp.mln", false);
-        failed = true;
-    }
-
-    NDS::DoSavestate(state);
-    delete state;
-
-    if (!failed)
-    {
-        if (Config::SavestateRelocSRAM && !ROMPath[ROMSlot_NDS].empty())
-        {
-            PrevSRAMPath[ROMSlot_NDS] = SRAMPath[ROMSlot_NDS];
-
-            // TODO: how should this interact with custom paths?
-            SRAMPath[ROMSlot_NDS] = filename + ".sav";
-
-            //NDS::RelocateSave(SRAMPath[ROMSlot_NDS].c_str(), false);
-        }
-
-        bool loadedPartialGBAROM = false;
-
-        // in case we have a GBA cart inserted, and the GBA ROM changes
-        // due to having loaded a save state, we do not want to reload
-        // the previous cartridge on reset, or commit writes to any
-        // loaded save file. therefore, their paths are "nulled".
-        if (GBACart::CartInserted && GBACart::CartCRC != oldGBACartCRC)
-        {
-            ROMPath[ROMSlot_GBA] = "";
-            SRAMPath[ROMSlot_GBA] = "";
-            loadedPartialGBAROM = true;
-        }
-
-        // TODO forward this to user in a meaningful way!!
-        /*char msg[64];
-        if (slot > 0) sprintf(msg, "State loaded from slot %d%s",
-                        slot, loadedPartialGBAROM ? " (GBA ROM header only)" : "");
-        else          sprintf(msg, "State loaded from file%s",
-                        loadedPartialGBAROM ? " (GBA ROM header only)" : "");
-        OSD::AddMessage(0, msg);*/
-
-        SavestateLoaded = true;
-    }
-
-    return !failed;
-}
-
-bool SaveState(std::string filename)
-{
-    Savestate* state = new Savestate(filename, true);
-    if (state->Error)
-    {
-        delete state;
-        return false;
-    }
-    else
-    {
-        NDS::DoSavestate(state);
-        delete state;
-
-        if (Config::SavestateRelocSRAM && !ROMPath[ROMSlot_NDS].empty())
-        {
-            // TODO: how should this interact with custom paths?
-            SRAMPath[ROMSlot_NDS] = filename + ".sav";
-
-            //NDS::RelocateSave(SRAMPath[ROMSlot_NDS].c_str(), true);
-        }
-    }
-
-    return true;
-}
-
-void UndoStateLoad()
-{
-    if (!SavestateLoaded) return;
-
-    // pray that this works
-    // what do we do if it doesn't???
-    // but it should work.
-    Savestate* backup = new Savestate("timewarp.mln", false);
-    NDS::DoSavestate(backup);
-    delete backup;
-
-    if (!ROMPath[ROMSlot_NDS].empty())
-    {
-        SRAMPath[ROMSlot_NDS] = PrevSRAMPath[ROMSlot_NDS];
-        //NDS::RelocateSave(SRAMPath[ROMSlot_NDS].c_str(), false);
-    }
-}
-
-int ImportSRAM(const char* filename)
-{
-    /*FILE* file = fopen(filename, "rb");
-    fseek(file, 0, SEEK_END);
-    u32 size = ftell(file);
-    u8* importData = new u8[size];
-    rewind(file);
-    fread(importData, size, 1, file);
-    fclose(file);
-
-    int diff = NDS::ImportSRAM(importData, size);
-    delete[] importData;
-    return diff;*/
-    return 0;
-}
-
-void EnableCheats(bool enable)
-{
-    CheatsOn = enable;
-    if (CheatFile)
-        AREngine::SetCodeFile(CheatsOn ? CheatFile : nullptr);
-}
-
 }