separate SRAM setting coded, I guess

7 files changed, 79 insertions, 8 deletions

diff --git a/src/Config.cpp b/src/Config.cpp
index d98ffd3..035c304 100644
--- a/src/Config.cpp
+++ b/src/Config.cpp
@@ -53,6 +53,8 @@ int Threaded3D;
 
 int SocketBindAnyAddr;
 
+int SavestateRelocSRAM;
+
 typedef struct
 {
     char Name[16];
@@ -107,6 +109,8 @@ ConfigEntry ConfigFile[] =
 
     {"SockBindAnyAddr", 0, &SocketBindAnyAddr, 0, NULL, 0},
 
+    {"SavStaRelocSRAM", 0, &SavestateRelocSRAM, 1, NULL, 0},
+
     {"", -1, NULL, 0, NULL, 0}
 };
 
diff --git a/src/Config.h b/src/Config.h
index 08e4e86..d7b0858 100644
--- a/src/Config.h
+++ b/src/Config.h
@@ -46,6 +46,8 @@ extern int Threaded3D;
 
 extern int SocketBindAnyAddr;
 
+extern int SavestateRelocSRAM;
+
 }
 
 #endif // CONFIG_H
diff --git a/src/NDS.cpp b/src/NDS.cpp
index 8528307..e0086c8 100644
--- a/src/NDS.cpp
+++ b/src/NDS.cpp
@@ -562,6 +562,12 @@ void LoadBIOS()
     Running = true;
 }
 
+void RelocateSave(const char* path, bool write)
+{
+    printf("SRAM: relocating to %s (write=%s)\n", path, write?"true":"false");
+    NDSCart::RelocateSave(path, write);
+}
+
 
 void CalcIterationCycles()
 {
diff --git a/src/NDS.h b/src/NDS.h
index 99d80b4..e7c2b98 100644
--- a/src/NDS.h
+++ b/src/NDS.h
@@ -114,6 +114,7 @@ bool DoSavestate(Savestate* file);
 bool LoadROM(const char* path, const char* sram, bool direct);
 void LoadBIOS();
 void SetupDirectBoot();
+void RelocateSave(const char* path, bool write);
 
 u32 RunFrame();
 
diff --git a/src/NDSCart.cpp b/src/NDSCart.cpp
index 44d6ca9..03dfe4c 100644
--- a/src/NDSCart.cpp
+++ b/src/NDSCart.cpp
@@ -196,8 +196,14 @@ void LoadSave(const char* path)
     StatusReg = 0x00;
 }
 
-void RelocateSave(const char* path)
+void RelocateSave(const char* path, bool write)
 {
+    if (!write)
+    {
+        LoadSave(path); // lazy
+        return;
+    }
+
     strncpy(SRAMPath, path, 1023);
     SRAMPath[1023] = '\0';
 
@@ -1143,10 +1149,10 @@ bool LoadROM(const char* path, const char* sram, bool direct)
     return true;
 }
 
-void RelocateSave(const char* path)
+void RelocateSave(const char* path, bool write)
 {
     // herp derp
-    NDSCart_SRAM::RelocateSave(path);
+    NDSCart_SRAM::RelocateSave(path, write);
 }
 
 void ReadROM(u32 addr, u32 len, u32 offset)
diff --git a/src/NDSCart.h b/src/NDSCart.h
index ee6ebdb..ac8f8fe 100644
--- a/src/NDSCart.h
+++ b/src/NDSCart.h
@@ -45,7 +45,7 @@ void Reset();
 void DoSavestate(Savestate* file);
 
 bool LoadROM(const char* path, const char* sram, bool direct);
-void RelocateSave(const char* path);
+void RelocateSave(const char* path, bool write);
 
 void WriteROMCnt(u32 val);
 u32 ReadROMData();
diff --git a/src/libui_sdl/main.cpp b/src/libui_sdl/main.cpp
index bea9685..149e356 100644
--- a/src/libui_sdl/main.cpp
+++ b/src/libui_sdl/main.cpp
@@ -65,6 +65,8 @@ uiMenuItem* MenuItem_Pause;
 uiMenuItem* MenuItem_Reset;
 uiMenuItem* MenuItem_Stop;
 
+uiMenuItem* MenuItem_SavestateSRAMReloc;
+
 uiMenuItem* MenuItem_ScreenRot[4];
 uiMenuItem* MenuItem_ScreenGap[6];
 uiMenuItem* MenuItem_ScreenLayout[3];
@@ -818,7 +820,10 @@ void TryLoadROM(char* file, int prevstatus)
     SetupSRAMPath();
 
     if (NDS::LoadROM(ROMPath, SRAMPath, Config::DirectBoot))
+    {
+        strncpy(PrevSRAMPath, SRAMPath, 1024); // safety
         Run();
+    }
     else
     {
         uiMsgBoxError(MainWindow,
@@ -846,11 +851,10 @@ void GetSavestateName(int slot, char* filename, int len)
     }
     else
     {
-        int len = strlen(ROMPath);
-        pos = len;
+        int l = strlen(ROMPath);
+        pos = l;
         while (ROMPath[pos] != '.' && pos > 0) pos--;
-        if (pos == 0) pos = len;
-        else pos++;
+        if (pos == 0) pos = l;
 
         // avoid buffer overflow. shoddy
         if (pos > len-5) pos = len-5;
@@ -913,6 +917,18 @@ void LoadState(int slot)
     NDS::DoSavestate(state);
     delete state;
 
+    if (Config::SavestateRelocSRAM && ROMPath[0]!='\0')
+    {
+        strncpy(PrevSRAMPath, SRAMPath, 1024);
+
+        strncpy(SRAMPath, filename, 1019);
+        int len = strlen(SRAMPath);
+        strcpy(&SRAMPath[len], ".sav");
+        SRAMPath[len+4] = '\0';
+
+        NDS::RelocateSave(SRAMPath, false);
+    }
+
     EmuRunning = prevstatus;
 }
 
@@ -956,6 +972,16 @@ void SaveState(int slot)
 
         if (slot > 0)
             uiMenuItemEnable(MenuItem_LoadStateSlot[slot-1]);
+
+        if (Config::SavestateRelocSRAM && ROMPath[0]!='\0')
+        {
+            strncpy(SRAMPath, filename, 1019);
+            int len = strlen(SRAMPath);
+            strcpy(&SRAMPath[len], ".sav");
+            SRAMPath[len+4] = '\0';
+
+            NDS::RelocateSave(SRAMPath, true);
+        }
     }
 
     EmuRunning = prevstatus;
@@ -974,6 +1000,12 @@ void UndoStateLoad()
     NDS::DoSavestate(backup);
     delete backup;
 
+    if (ROMPath[0]!='\0')
+    {
+        strncpy(SRAMPath, PrevSRAMPath, 1024);
+        NDS::RelocateSave(SRAMPath, false);
+    }
+
     EmuRunning = prevstatus;
 }
 
@@ -1096,7 +1128,10 @@ void OnReset(uiMenuItem* item, uiWindow* window, void* blarg)
     if (ROMPath[0] == '\0')
         NDS::LoadBIOS();
     else
+    {
+        SetupSRAMPath();
         NDS::LoadROM(ROMPath, SRAMPath, Config::DirectBoot);
+    }
 
     Run();
 }
@@ -1119,6 +1154,12 @@ void OnOpenInputConfig(uiMenuItem* item, uiWindow* window, void* blarg)
 }
 
 
+void OnSetSavestateSRAMReloc(uiMenuItem* item, uiWindow* window, void* param)
+{
+    Config::SavestateRelocSRAM = uiMenuItemChecked(item) ? 1:0;
+}
+
+
 void EnsureProperMinSize()
 {
     bool isHori = (ScreenRotation == 1 || ScreenRotation == 3);
@@ -1368,6 +1409,15 @@ int main(int argc, char** argv)
     uiMenuItemOnClicked(menuitem, OnOpenInputConfig, NULL);
     uiMenuAppendSeparator(menu);
     {
+        uiMenu* submenu = uiNewMenu("Savestate settings");
+
+        MenuItem_SavestateSRAMReloc = uiMenuAppendCheckItem(submenu, "Separate savefiles");
+        uiMenuItemOnClicked(MenuItem_SavestateSRAMReloc, OnSetSavestateSRAMReloc, NULL);
+
+        uiMenuAppendSubmenu(menu, submenu);
+    }
+    uiMenuAppendSeparator(menu);
+    {
         uiMenu* submenu = uiNewMenu("Screen rotation");
 
         for (int i = 0; i < 4; i++)
@@ -1471,6 +1521,8 @@ int main(int argc, char** argv)
     SANITIZE(ScreenSizing, 0, 3);
 #undef SANITIZE
 
+    uiMenuItemSetChecked(MenuItem_SavestateSRAMReloc, Config::SavestateRelocSRAM?1:0);
+
     uiMenuItemSetChecked(MenuItem_ScreenRot[ScreenRotation], 1);
     uiMenuItemSetChecked(MenuItem_ScreenLayout[ScreenLayout], 1);
     uiMenuItemSetChecked(MenuItem_ScreenSizing[ScreenSizing], 1);