Merging r5975 through r6036 from trunk to ogl-es branch.

GLES drivers adapted, but only did make compile-tests.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6038 dfc29bdd-3216-0410-991c-e03cc46cb475

include/IRandomizer.h

@@ -0,0 +1,33 @@
+// Copyright (C) 2002-2012 Nikolaus Gebhardt
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#ifndef __I_RANDOMIZER_H_INCLUDED__
+#define __I_RANDOMIZER_H_INCLUDED__
+
+#include "IReferenceCounted.h"
+
+namespace irr
+{
+
+//! Interface for generating random numbers
+class IRandomizer : public virtual IReferenceCounted
+{
+public:
+	//! resets the randomizer
+	/** \param value Initialization value (seed) */
+	virtual void reset(s32 value=0x0f0f0f0f) =0;
+
+	//! generates a pseudo random number in the range 0..randMax()
+	virtual s32 rand() const =0;
+
+	//! generates a pseudo random number in the range 0..1
+	virtual f32 frand() const =0;
+
+	//! get maxmimum number generated by rand()
+	virtual s32 randMax() const =0;
+};
+
+} // end namespace irr
+
+#endif