Merge pull request #946 from death-droid/MempakFix

Change up the way Mempaks are meant to work, use the standard file fu…

Source/Project64-core/N64System/Mips/Mempak.H

@@ -13,8 +13,9 @@
 class Mempak
 {
 public:
-    static void Close();
     static uint8_t CalculateCrc(uint8_t * DataToCrc);
+    static void Load();
+    static void Format(int32_t Control);
     static void ReadFrom(int32_t Control, uint8_t * command);
     static void WriteTo(int32_t Control, uint8_t * command);
 };

Source/Project64-core/N64System/Mips/Mempak.cpp

@@ -11,45 +11,42 @@
 #include "stdafx.h"
 #include "Mempak.H"
 #include <Common/path.h>
-#include <Windows.h>
 
-static uint8_t Mempaks[4][0x8000];
+uint8_t Mempaks[4][0x8000];
-void * hMempakFile[4];
+CPath MempakNames[4];
 
-void Mempak::Close()
+void Mempak::Load()
 {
-    for (int32_t i = 0; i < 4; i++)
-    {
-        if (hMempakFile[i])
-        {
-            CloseHandle(hMempakFile[i]);
-            hMempakFile[i] = NULL;
-        }
-    }
-}
-
-void LoadMempak(int32_t Control)
-{
-    CPath FileName;
-    DWORD dwRead;
     stdstr MempakName;
-    bool bFormatMempak = false;
 
-    MempakName.Format("%s_Cont_%d", g_Settings->LoadStringVal(Game_GameName).c_str(), Control + 1);
+    for (int i = 0; i < 3; i++)
-
-    FileName.SetDriveDirectory(g_Settings->LoadStringVal(Directory_NativeSave).c_str());
-    FileName.SetName(MempakName.c_str());
-    FileName.SetExtension("mpk");
-
-    if (!FileName.Exists())
     {
-        bFormatMempak = true;
+        MempakName.Format("%s_Cont_%d", g_Settings->LoadStringVal(Game_GameName).c_str(), i + 1);
 
-        if (!FileName.DirectoryExists())
+        MempakNames[i].SetDriveDirectory(g_Settings->LoadStringVal(Directory_NativeSave).c_str());
+        MempakNames[i].SetName(MempakName.c_str());
+        MempakNames[i].SetExtension("mpk");
+
+        if (!MempakNames[i].DirectoryExists())
         {
-            FileName.DirectoryCreate();
+            MempakNames[i].DirectoryCreate();
         }
 
+        if (MempakNames[i].Exists())
+        {
+            FILE *mempak = fopen(MempakNames[i], "rb");
+            fread(Mempaks[i], 1, 0x8000, mempak);
+            fclose(mempak);
+        }
+        else
+        {
+            Mempak::Format(i);
+        }
+    }
+}
+
+void Mempak::Format(int32_t Control)
+{
     uint8_t Initialize[] = {
         0x81, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0C, 0x0D, 0x0E, 0x0F,
         0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
@@ -79,25 +76,6 @@ void LoadMempak(int32_t Control)
     }
 }
 
-    hMempakFile[Control] = CreateFile(FileName, GENERIC_WRITE | GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_RANDOM_ACCESS, NULL);
-
-    if (hMempakFile[Control] == INVALID_HANDLE_VALUE)
-    {
-        WriteTrace(TraceN64System, TraceError, "Failed to open (%s), lastError = %X", (LPCTSTR)FileName, GetLastError());
-        return;
-    }
-
-    SetFilePointer(hMempakFile[Control], 0, NULL, FILE_BEGIN);
-    if (bFormatMempak)
-    {
-        WriteFile(hMempakFile[Control], Mempaks[Control], 0x8000, &dwRead, NULL);
-    }
-    else
-    {
-        ReadFile(hMempakFile[Control], Mempaks[Control], 0x8000, &dwRead, NULL);
-    }
-}
-
 uint8_t Mempak::CalculateCrc(uint8_t * DataToCrc)
 {
     uint32_t Count;
@@ -137,10 +115,6 @@ void Mempak::ReadFrom(int32_t Control, uint8_t * command)
 
     if (address < 0x8000)
     {
-        if (hMempakFile[Control] == NULL)
-        {
-            LoadMempak(Control);
-        }
         memcpy(&command[5], &Mempaks[Control][address], 0x20);
     }
     else
@@ -152,19 +126,15 @@ void Mempak::ReadFrom(int32_t Control, uint8_t * command)
 
 void Mempak::WriteTo(int32_t Control, uint8_t * command)
 {
-    DWORD dwWritten;
     uint32_t address = (command[3] << 8) | (command[4] & 0xE0);
 
     if (address < 0x8000)
     {
-        if (hMempakFile[Control] == NULL)
-        {
-            LoadMempak(Control);
-        }
         memcpy(&Mempaks[Control][address], &command[5], 0x20);
 
-        SetFilePointer(hMempakFile[Control], 0, NULL, FILE_BEGIN);
+        FILE* mempak = fopen(MempakNames[Control], "wb");
-        WriteFile(hMempakFile[Control], &Mempaks[Control][0], 0x8000, &dwWritten, NULL);
+        fwrite(Mempaks[Control], 1, 0x8000, mempak);
+        fclose(mempak);
     }
     else
     {

Source/Project64-core/N64System/N64Class.cpp

@@ -65,12 +65,12 @@ m_CheatsSlectionChanged(false)
     m_Limiter.SetHertz(gameHertz);
     g_Settings->SaveDword(GameRunning_ScreenHertz, gameHertz);
     m_Cheats.LoadCheats(!g_Settings->LoadDword(Setting_RememberCheats), Plugins);
+    Mempak::Load();
 }
 
 CN64System::~CN64System()
 {
     SetActiveSystem(false);
-    Mempak::Close();
     if (m_SyncCPU)
     {
         m_SyncCPU->CpuStopped();
@@ -552,7 +552,6 @@ void CN64System::Reset(bool bInitReg, bool ClearMenory)
     RefreshGameSettings();
     m_Audio.Reset();
     m_MMU_VM.Reset(ClearMenory);
-    Mempak::Close();
 
     m_CyclesToSkip = 0;
     m_AlistCount = 0;