Add support for packed clients (#802)

* First iteration of pack reader and interface

* Fix memory leak and remove logs

* Complete packed asset interface and begin on file loading replacement

* Implement proper BinaryIO error

* Improve AssetMemoryBuffer for reading and implement more reading

* Repair more file loading code and improve how navmeshes are loaded

* Missing checks implementation

* Revert addition of Manifest class and migration changes

* Resolved all feedback.

dCommon/BinaryIO.cpp

@@ -10,7 +10,7 @@ void BinaryIO::WriteString(const std::string& stringToWrite, std::ofstream& outs
 }
 
 //For reading null-terminated strings
-std::string BinaryIO::ReadString(std::ifstream& instream) {
+std::string BinaryIO::ReadString(std::istream& instream) {
 	std::string toReturn;
 	char buffer;
 
@@ -25,7 +25,7 @@ std::string BinaryIO::ReadString(std::ifstream& instream) {
 }
 
 //For reading strings of a specific size
-std::string BinaryIO::ReadString(std::ifstream& instream, size_t size) {
+std::string BinaryIO::ReadString(std::istream& instream, size_t size) {
 	std::string toReturn;
 	char buffer;
 
@@ -37,7 +37,7 @@ std::string BinaryIO::ReadString(std::ifstream& instream, size_t size) {
 	return toReturn;
 }
 
-std::string BinaryIO::ReadWString(std::ifstream& instream) {
+std::string BinaryIO::ReadWString(std::istream& instream) {
 	size_t size;
 	BinaryRead(instream, size);
 	//toReturn.resize(size);