1 files changed, 76 insertions, 0 deletions
diff --git a/src/others/irrlicht-1.8.1/source/Irrlicht/CFPSCounter.cpp b/src/others/irrlicht-1.8.1/source/Irrlicht/CFPSCounter.cpp
new file mode 100644
index 0000000..3bbf3af
--- /dev/null
+++ b/src/others/irrlicht-1.8.1/source/Irrlicht/CFPSCounter.cpp
@@ -0,0 +1,76 @@
+// 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
+#include "CFPSCounter.h"
+#include "irrMath.h"
+namespace irr
+{
+namespace video  
+{
+CFPSCounter::CFPSCounter()
+:       FPS(60), Primitive(0), StartTime(0), FramesCounted(0),
+        PrimitivesCounted(0), PrimitiveAverage(0), PrimitiveTotal(0)
+{
+}
+//! returns current fps
+s32 CFPSCounter::getFPS() const
+{
+        return FPS;
+}
+//! returns current primitive count
+u32 CFPSCounter::getPrimitive() const
+{
+        return Primitive;
+}
+//! returns average primitive count of last period
+u32 CFPSCounter::getPrimitiveAverage() const
+{
+        return PrimitiveAverage;
+}
+//! returns accumulated primitive count since start
+u32 CFPSCounter::getPrimitiveTotal() const
+{
+        return PrimitiveTotal;
+}
+//! to be called every frame
+void CFPSCounter::registerFrame(u32 now, u32 primitivesDrawn)
+{
+        ++FramesCounted;
+        PrimitiveTotal += primitivesDrawn;
+        PrimitivesCounted += primitivesDrawn;
+        Primitive = primitivesDrawn;
+        const u32 milliseconds = now - StartTime;
+        if (milliseconds >= 1500 )
+        {
+                const f32 invMilli = core::reciprocal ( (f32) milliseconds );
+                
+                FPS = core::ceil32 ( ( 1000 * FramesCounted ) * invMilli );
+                PrimitiveAverage = core::ceil32 ( ( 1000 * PrimitivesCounted ) * invMilli );
+                FramesCounted = 0;
+                PrimitivesCounted = 0;
+                StartTime = now;
+        }
+}
+} // end namespace video
+} // end namespace irr

diff --git a/src/others/irrlicht-1.8.1/source/Irrlicht/CFPSCounter.cpp b/src/others/irrlicht-1.8.1/source/Irrlicht/CFPSCounter.cpp new file mode 100644 index 0000000..3bbf3af --- /dev/null +++ b/src/others/irrlicht-1.8.1/source/Irrlicht/CFPSCounter.cpp
@@ -0,0 +1,76 @@
	1	// Copyright (C) 2002-2012 Nikolaus Gebhardt
	2	// This file is part of the "Irrlicht Engine".
	3	// For conditions of distribution and use, see copyright notice in irrlicht.h
	4
	5	#include "CFPSCounter.h"
	6	#include "irrMath.h"
	7
	8	namespace irr
	9	{
	10	namespace video
	11	{
	12
	13
	14	CFPSCounter::CFPSCounter()
	15	: FPS(60), Primitive(0), StartTime(0), FramesCounted(0),
	16	PrimitivesCounted(0), PrimitiveAverage(0), PrimitiveTotal(0)
	17	{
	18
	19	}
	20
	21
	22	//! returns current fps
	23	s32 CFPSCounter::getFPS() const
	24	{
	25	return FPS;
	26	}
	27
	28
	29	//! returns current primitive count
	30	u32 CFPSCounter::getPrimitive() const
	31	{
	32	return Primitive;
	33	}
	34
	35
	36	//! returns average primitive count of last period
	37	u32 CFPSCounter::getPrimitiveAverage() const
	38	{
	39	return PrimitiveAverage;
	40	}
	41
	42
	43	//! returns accumulated primitive count since start
	44	u32 CFPSCounter::getPrimitiveTotal() const
	45	{
	46	return PrimitiveTotal;
	47	}
	48
	49
	50	//! to be called every frame
	51	void CFPSCounter::registerFrame(u32 now, u32 primitivesDrawn)
	52	{
	53	++FramesCounted;
	54	PrimitiveTotal += primitivesDrawn;
	55	PrimitivesCounted += primitivesDrawn;
	56	Primitive = primitivesDrawn;
	57
	58	const u32 milliseconds = now - StartTime;
	59
	60	if (milliseconds >= 1500 )
	61	{
	62	const f32 invMilli = core::reciprocal ( (f32) milliseconds );
	63
	64	FPS = core::ceil32 ( ( 1000 * FramesCounted ) * invMilli );
	65	PrimitiveAverage = core::ceil32 ( ( 1000 * PrimitivesCounted ) * invMilli );
	66
	67	FramesCounted = 0;
	68	PrimitivesCounted = 0;
	69	StartTime = now;
	70	}
	71	}
	72
	73
	74	} // end namespace video
	75	} // end namespace irr
	76