1 files changed, 122 insertions, 0 deletions
diff --git a/NvBlast/tools/common/Log.h b/NvBlast/tools/common/Log.h
new file mode 100644
index 0000000..528a3b9
--- /dev/null
+++ b/NvBlast/tools/common/Log.h
@@ -0,0 +1,122 @@
+#ifndef LOG_H
+#define LOG_H
+
+#include "Utils.h"
+#include "PxVec3.h"
+
+#include <sstream>
+
+namespace Nv
+{
+namespace Blast
+{
+
+
+//////////////////////////////////////////////////////////////////////////////
+
+void fLogf(const char* format, ...);
+
+class Log : public Singleton<Log>
+{
+	friend class Singleton<Log>;
+
+public:
+
+	enum MessageType {
+		TYPE_INFO = 0,
+		TYPE_WARNING,
+		TYPE_ERROR,
+		TYPE_DEFERRED,
+
+		NUM_TYPES,
+		MOST_VERBOSE  = TYPE_INFO,
+		LEAST_VERBOSE = TYPE_ERROR
+#if defined(_DEBUG)
+		, DEFAULT_VERBOSITY = MOST_VERBOSE
+#else
+		, DEFAULT_VERBOSITY = LEAST_VERBOSE
+#endif
+	};
+	typedef MessageType Verbosity;
+
+	///////////////////////////////////////////////////////////////////////////
+
+	template<typename T>
+	Log& log(const T& value, MessageType messageType);
+
+	void flushDeferredMessages();
+
+	///////////////////////////////////////////////////////////////////////////
+
+	void setCurrentVerbosity(Verbosity verbosity) { mCurrentVerbosity = verbosity; }
+	Verbosity getCurrentVerbosity() const { return mCurrentVerbosity; }
+
+	// Messages types below this level will be ignored
+	void setMinVerbosity(Verbosity verbosity)     { mMinVerbosity     = verbosity; }
+	Verbosity getMinVerbosity()     const { return mMinVerbosity; }
+
+	///////////////////////////////////////////////////////////////////////////
+
+protected:
+	Log(MessageType verbosity = DEFAULT_VERBOSITY)
+		: mCurrentVerbosity(LEAST_VERBOSE),
+		mMinVerbosity(verbosity) { }
+
+private:
+	Verbosity mCurrentVerbosity;
+	Verbosity mMinVerbosity;
+	std::vector<std::string> mDeferredMessages;
+};
+
+///////////////////////////////////////////////////////////////////////////
+
+PX_INLINE std::ostream& operator<< (std::ostream& stream, const physx::PxVec3& vec)
+{
+	return stream << "(" << vec.x << ", " << vec.y << ", " << vec.z << ")";
+}
+
+template<typename T>
+Log& Log::log(const T& value, Log::MessageType messageType)
+{
+	if (TYPE_DEFERRED == messageType)
+	{
+		std::stringstream ss;
+		ss << value;
+		mDeferredMessages.push_back(ss.str());
+	}
+	else if(mMinVerbosity <= messageType)
+	{
+		std::cout << value;
+	}
+	return *this;
+}
+
+PX_INLINE Log& lout() { return Log::instance(); }
+
+template <typename T>
+PX_INLINE void fLog(const T& value, Log::MessageType messageType = Log::TYPE_INFO)
+{
+	lout().log<T>(value, messageType);
+}
+template <typename T>
+PX_INLINE Log& operator<<(Log& logger, const T& value)
+{
+	return logger.log<T>(value, logger.getCurrentVerbosity());
+}
+PX_INLINE Log& operator<<(Log& logger, Log::MessageType verbosity)
+{
+	logger.setCurrentVerbosity(verbosity);
+	return logger;
+}
+typedef std::ostream& (*ostream_manipulator)(std::ostream&);
+PX_INLINE Log& operator<<(Log& logger, ostream_manipulator pf)
+{
+	return operator<< <ostream_manipulator> (logger, pf);
+}
+
+
+} // namespace Blast
+} // namespace Nv
+
+
+#endif