Added data struct template

include/RDI.h

@@ -25,15 +25,15 @@
 #if defined(RDI_DLL)
 #	if defined(WIN32)
 #		if defined(RDI_DLLBUILD)
-#			define RDI_EXTERN extern RDI_ABI_EXPORT
+#			define RDI_EXTERN RDI_ABI_EXPORT
 #		else
-#			define RDI_EXTERN extern RDI_ABI_IMPORT
+#			define RDI_EXTERN RDI_ABI_IMPORT
 #		endif
 #	endif
 #endif
 
 #ifndef RDI_EXTERN
-#	define RDI_EXTERN extern
+#	define RDI_EXTERN
 #endif
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -42,11 +42,40 @@
 namespace RDI
 {
 
-	/**
-	 * @brief	Get the current library version.
-	 * @return	Char array of the version, escape char included.
-	 */
-	RDI_EXTERN const char* getVersion( void );
+	class RDI_EXTERN RDI {
+	private:
+		std::string libVersion;
+		std::string workingDir = ".";
+
+	public:
+		RDI();
+		~RDI();
+
+		/**
+		 * @brief	Get the current library version.
+		 * @return	String of the version.
+		 */
+		inline std::string getLibVersion() {
+			return libVersion;
+		}
+
+		/**
+		 * @brief	Get the current working directory of the library instance.
+		 * @return	Path string of the current working directory.
+		 */
+		std::string getWorkingDirectory() {
+			return workingDir;
+		}
+
+		/**
+		 * @brief	Set the current working directory of the library instance.
+		 * @param[in] newPath Path string without final slash.
+		 */
+		void setWorkingDirectory( std::string newPath ) {
+			workingDir = newPath;
+		}
+
+	};
 
 	/**
 	 * @brief	Search for Rogue data file, try to open it and map it in memory.

src/RDI.cpp

@@ -22,12 +22,20 @@ using namespace std;
 using RDI::RDat;
 
 
+namespace RDI {
+
+	RDI::RDI() {
+		this->libVersion = PRG_VERSION;
+	}
+
+}
+
+
+
+
 /*
  * Libs interface
  */
-inline const char* RDI::getVersion( void ) {
-	return PRG_VERSION;
-}
 
 unsigned short OpenRogueDat( void ) {
 	return 0;

src/RDat.cpp

@@ -7,8 +7,10 @@
  *
  */
 
+#include <stdlib.h>
 #include <iostream>
 #include <fstream>
+#include "data_struct.h"
 #include "RDat.h"
 
 using namespace std;
@@ -27,7 +29,7 @@ RDat::RDat( string fPath ) {
 	rdf.open(datFile, ios::in | ios::binary);
 	if (rdf.is_open()) {
 		size = rdf.tellg();
-		rDatPtr = new char[size];
+		rDatPtr = (MEMFILE)malloc(size);
 		rdf.seekg(0, ios::beg);
 		rdf.read(rDatPtr, size);
 		rdf.close();

src/RDat.h

@@ -7,27 +7,29 @@
  *
  */
 
-#ifndef SRC_RDAT_H_
-#define SRC_RDAT_H_
+#ifndef RDAT_H_
+#define RDAT_H_
+
 
 namespace RDI {
 
-typedef char* MEMFILE;
+	typedef char* MEMFILE;
 
-class RDat {
-private:
-	MEMFILE rDatPtr = nullptr;
 
-public:
-	RDat( std::string fPath );
-	virtual ~RDat();
+	class RDat {
+	private:
+		MEMFILE rDatPtr = nullptr;
 
-	MEMFILE getRDat() {
-		return rDatPtr;
-	}
+	public:
+		RDat( std::string fPath );
+		virtual ~RDat();
 
-};
+		MEMFILE getRDat() {
+			return rDatPtr;
+		}
+
+	};
 
 } /* namespace RDI */
 
-#endif /* SRC_RDAT_H_ */
+#endif /* RDAT_H_ */

src/bundle_struct.h

@@ -0,0 +1,47 @@
+/**
+ * @file		bundle_struct.h
+ * @date		16/09/2022
+ * @author		JackCarterSmith
+ * @copyright	GPL-v3.0
+ * @brief		Bundle (000/001) file mapping definition.
+ *
+ */
+
+#ifndef BUNDLE_STRUCT_H_
+#define BUNDLE_STRUCT_H_
+
+#ifndef PACK
+#	if defined(_MSC_VER)
+#		define PACK
+#	elif defined(__GNUC__)
+#		define PACK __attribute__((packed))
+#	endif
+#endif
+
+
+namespace RDI {
+
+	////////////////////////////////////////////////////////////////////////////
+	//                Declaration of Memory Mapped Structure
+	//	 Caution: the place of variable is important for correct mapping!
+	////////////////////////////////////////////////////////////////////////////
+
+#if defined(_MSC_VER)
+#pragma pack(push, 1)
+#endif
+
+	typedef struct PACK file_header {
+		unsigned int datas_offset;
+	} T_FILE_HEADER;
+
+	typedef struct PACK dat_section {
+		unsigned int file_headers_offset;
+	} T_DAT_SECTION;
+
+#if defined(_MSC_VER)
+#pragma pack(pop)
+#endif
+
+}
+
+#endif /* BUNDLE_STRUCT_H_ */

src/data_struct.h

@@ -0,0 +1,70 @@
+/**
+ * @file		data_struct.h
+ * @date		16/09/2022
+ * @author		JackCarterSmith
+ * @copyright	GPL-v3.0
+ * @brief		Data file mapping definition.
+ *
+ */
+
+#ifndef DATA_STRUCT_H_
+#define DATA_STRUCT_H_
+
+#ifndef PACK
+#	if defined(_MSC_VER)
+#		define PACK
+#	elif defined(__GNUC__)
+#		define PACK __attribute__((packed))
+#	endif
+#endif
+
+
+namespace RDI {
+
+	////////////////////////////////////////////////////////////////////////////
+	//                Declaration of Memory Mapped Structure
+	//	 Caution: the place of variable is important for correct mapping!
+	////////////////////////////////////////////////////////////////////////////
+
+#if defined(_MSC_VER)
+#pragma pack(push, 1)
+#endif
+
+	/*
+	 * DATA.DAT content type
+	 */
+	typedef struct PACK file_header {
+		unsigned int datas_offset;
+		unsigned int datas_size;			// If file is directory, equal to sum of it's file.
+		unsigned int reserved0;				// 0xFFFFFFFF
+		unsigned short flags;
+		unsigned short dir_entries_size;	// If directory = sum of files entry size + itself, 0 if standard file.
+		char name[16];						// File extension is UPPERCASE, separated of file name by '_'.
+	} T_FILE_HEADER;
+
+	typedef struct PACK dat_section {
+		unsigned int file_headers_offset;
+		unsigned int file_headers_size;
+		unsigned char files_datas;			// Should be used as start pointer for memcpy.
+	} T_DAT_SECTION;
+
+
+	/*
+	 * DATA.HDR content type
+	 * Entries are in a row, test for EOF.
+	 */
+	typedef struct PACK hdr_entry {
+		char section_name[16];
+		unsigned int reserved0;				// 12B of zeros
+		unsigned int reserved1;
+		unsigned int reserved2;
+		unsigned int section_offset;
+	} T_HDR_ENTRY;
+
+#if defined(_MSC_VER)
+#pragma pack(pop)
+#endif
+
+}
+
+#endif /* DATA_STRUCT_H_ */