isolated includes with NOD directory

lib/NOD.cpp

@@ -0,0 +1,83 @@
+#include <stdio.h>
+#include "NOD/NOD.hpp"
+#include "NOD/DiscBase.hpp"
+
+namespace NOD
+{
+std::unique_ptr<IDiscIO> NewDiscIOISO(const SystemChar* path);
+std::unique_ptr<IDiscIO> NewDiscIOWBFS(const SystemChar* path);
+
+std::unique_ptr<DiscBase> OpenDiscFromImage(const SystemChar* path, bool& isWii)
+{
+    /* Temporary file handle to determine image type */
+    FILE* fp = fopen(path, "rb");
+    if (!fp)
+    {
+#if NOD_UCS2
+        fwprintf(stderr, L"Unable to open '%s'\n", path);
+#else
+        fprintf(stderr, "Unable to open '%s'\n", path);
+#endif
+        return std::unique_ptr<DiscBase>();
+    }
+
+    isWii = false;
+    std::unique_ptr<IDiscIO> discIO;
+    uint32_t magic;
+    fread(&magic, 1, 4, fp);
+    if (magic == NOD::SBig((uint32_t)'WBFS'))
+    {
+        fclose(fp);
+        discIO = NewDiscIOWBFS(path);
+        isWii = true;
+    }
+    else
+    {
+        fseeko(fp, 0x18, SEEK_SET);
+        fread(&magic, 1, 4, fp);
+        magic = NOD::SBig(magic);
+        if (magic == 0x5D1C9EA3)
+        {
+            fclose(fp);
+            discIO = NewDiscIOISO(path);
+            isWii = true;
+        }
+        else
+        {
+            fread(&magic, 1, 4, fp);
+            magic = NOD::SBig(magic);
+            if (magic == 0xC2339F3D)
+            {
+                fclose(fp);
+                discIO = NewDiscIOISO(path);
+            }
+            else
+                fclose(fp);
+        }
+    }
+
+    if (!discIO)
+    {
+#if NOD_UCS2
+        fwprintf(stderr, L"'%s' is not a valid image\n", path);
+#else
+        fprintf(stderr, "'%s' is not a valid image\n", path);
+#endif
+        return std::unique_ptr<DiscBase>();
+    }
+
+    if (isWii)
+        return std::unique_ptr<DiscBase>(new DiscWii(std::move(discIO)));
+
+    return std::unique_ptr<DiscBase>(new DiscGCN(std::move(discIO)));
+
+}
+
+std::unique_ptr<DiscBase> OpenDiscFromImage(const SystemChar* path)
+{
+    bool isWii;
+    return OpenDiscFromImage(path, isWii);
+}
+
+}
+