save name, size and position of every chunk under MSH2

MshViewer/Header/Object.h

@@ -1,6 +1,13 @@
 #pragma once
 #include <vector>
+#include <list>
+#include <fstream>
 
+struct chunkHeader {
+	char name[5];
+	int size;
+	std::streampos position;
+};
 
 class Object
 {
@@ -10,6 +17,12 @@ public:
 
 private:
 
+	std::list<chunkHeader*> lChunk;
+	std::fstream fsMesh;
+
+
+private:
+	void readChunks();
 
 public:
 

MshViewer/Source/Object.cpp

@@ -1,5 +1,4 @@
 #include "Object.h"
-#include <fstream>
 #include <iostream>
 
 
@@ -10,54 +9,50 @@
 Object::Object(const char* path)
 {
 	// open file
-	std::fstream fsMesh(path, std::ios::in | std::ios::binary);
+	fsMesh.open(path, std::ios::in | std::ios::binary);
 
 	if (!fsMesh.is_open())
 		throw std::invalid_argument(std::string("file not found: ") += path);
 
-	std::uint8_t ui8x4Header[5] = { 0 };
+	// get Chunks
-
+	readChunks();
-	fsMesh.seekg(4, std::ios_base::cur);
-	std::uint32_t ui32FileSize;
-	fsMesh.read(reinterpret_cast<char*>(&ui32FileSize), sizeof(ui32FileSize));
-
-	fsMesh.seekg(4, std::ios_base::cur);
-	std::uint32_t ui32MshSize;
-	fsMesh.read(reinterpret_cast<char*>(&ui32MshSize), sizeof(ui32MshSize));
-
-	std::cout << "Hedr " << ui32FileSize << std::endl;
-	std::cout << "Msh " << ui32MshSize << std::endl;
-
-
-	do
-	{
-
-		char tempChunkName[5] = { 0 };
-		std::uint32_t tempChunkSize = 0;
-		fsMesh.read(reinterpret_cast<char*>(&tempChunkName[0]), sizeof(tempChunkName) - 1);
-		fsMesh.read(reinterpret_cast<char*>(&tempChunkSize), sizeof(tempChunkSize));
-
-		std::cout << tempChunkName << " " << tempChunkSize << std::endl;
-
-		fsMesh.seekg(tempChunkSize, std::ios_base::cur);
-
-		if (!std::strcmp(tempChunkName, "CL1L"))
-			break;
-	} while (!fsMesh.eof());
-
 
+	// close file
 	fsMesh.close();
 }
 
 Object::~Object()
 {
-	
+	//delete Chunk list;	
 }
 
 
 /////////////////////////////////////////////////////////////////////////
 // private functions
 
+void Object::readChunks()
+{
+	// Jump into Mesh2
+	fsMesh.seekg(16, std::ios_base::cur);
+
+	do
+	{
+		chunkHeader* tempHeader = new chunkHeader();
+
+		fsMesh.read(reinterpret_cast<char*>(&tempHeader->name[0]), sizeof(tempHeader->name) - 1);
+		fsMesh.read(reinterpret_cast<char*>(&tempHeader->size), sizeof(tempHeader->size));
+		tempHeader->position = fsMesh.tellg();
+
+		lChunk.push_back(tempHeader);
+
+		fsMesh.seekg(tempHeader->size, std::ios_base::cur);
+
+		if (!std::strcmp(tempHeader->name, "CL1L"))
+			break;
+	} while (!fsMesh.eof());
+
+	std::cout << "got all chunks, totaly found: " << lChunk.size() << std::endl;
+}
 
 
 /////////////////////////////////////////////////////////////////////////