Support for saving compiled AngelScript to either file or RAM, so we can reuse it.

src/ScriptResolving/AngelScript/ByteCodeHandling/FileByteCodeStream.hpp

@@ -0,0 +1,25 @@
+#ifndef PKMNLIB_FILEBYTECODESTREAM_HPP
+#define PKMNLIB_FILEBYTECODESTREAM_HPP
+#include <angelscript.h>
+#include <cstdio>
+
+class FileByteCodeStream : public asIBinaryStream {
+private:
+    FILE* _file;
+
+public:
+    explicit FileByteCodeStream(FILE* file) : _file(file) {}
+
+    int Write(const void* ptr, asUINT size) {
+        if (size == 0)
+            return 0;
+        return fwrite(ptr, size, 1, _file);
+    }
+    int Read(void* ptr, asUINT size) {
+        if (size == 0)
+            return 0;
+        return fread(ptr, size, 1, _file);
+    }
+};
+
+#endif // PKMNLIB_FILEBYTECODESTREAM_HPP