Added a class stub to show the PIAF integration could look.

src/piaf/Archive.h

@@ -0,0 +1,57 @@
+#ifndef INCLUDE_ARCHIVE_H
+#define INCLUDE_ARCHIVE_H
+
+#include <fstream>
+#include <cstdint>
+
+namespace WalrusRPG
+{
+    namespace PIAF
+    {
+        enum File_Type
+        {
+            UNKNOWN,
+            MAP,
+            EVENT_LIST,
+            TEXT,
+            TEXTURE
+        };
+        enum Compression_Type
+        {
+            UNKNWOWN,
+            RAW,
+            ZLIB,
+            RLE
+        };
+
+        struct File_Entry
+        {
+            char filename[9]; // 8 + a \0 in case of printing
+            File_Type file_type;
+            Compression_Type Compression_Type;
+            uint32_t file_size;
+            uint32_t data_offset;
+        };
+
+        class Archive
+        {
+          private:
+            std::fstream file;
+            uint32_t version;
+            uint32_t nb_files;
+            uint32_t data_size;
+            // wouldn't be a map easier to handle for file opening?
+            File_Entry *entries;
+
+          public:
+            // RAII stuff
+            Archive(char *filepath);
+            ~Archive();
+
+            File_Entry *get_file_entry(char *filename);
+            // WFile get(char *filename);
+        };
+    }
+}
+
+#endif