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

source/Irrlicht/CParticleFadeOutAffector.cpp

@@ -0,0 +1,74 @@
+// 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 "CParticleFadeOutAffector.h"
+
+#ifdef _IRR_COMPILE_WITH_PARTICLES_
+
+#include "IAttributes.h"
+#include "os.h"
+
+namespace irr
+{
+namespace scene
+{
+
+//! constructor
+CParticleFadeOutAffector::CParticleFadeOutAffector(
+	const video::SColor& targetColor, u32 fadeOutTime)
+	: IParticleFadeOutAffector(), TargetColor(targetColor)
+{
+
+	#ifdef _DEBUG
+	setDebugName("CParticleFadeOutAffector");
+	#endif
+
+	FadeOutTime = fadeOutTime ? static_cast<f32>(fadeOutTime) : 1.0f;
+}
+
+
+//! Affects an array of particles.
+void CParticleFadeOutAffector::affect(u32 now, SParticle* particlearray, u32 count)
+{
+	if (!Enabled)
+		return;
+	f32 d;
+
+	for (u32 i=0; i<count; ++i)
+	{
+		if (particlearray[i].endTime - now < FadeOutTime)
+		{
+			d = (particlearray[i].endTime - now) / FadeOutTime;	// FadeOutTime probably f32 to save casts here (just guessing)
+			particlearray[i].color = particlearray[i].startColor.getInterpolated(
+				TargetColor, d);
+		}
+	}
+}
+
+
+//! Writes attributes of the object.
+//! Implement this to expose the attributes of your scene node animator for
+//! scripting languages, editors, debuggers or xml serialization purposes.
+void CParticleFadeOutAffector::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const
+{
+	out->addColor("TargetColor", TargetColor);
+	out->addFloat("FadeOutTime", FadeOutTime);
+}
+
+//! Reads attributes of the object.
+//! Implement this to set the attributes of your scene node animator for
+//! scripting languages, editors, debuggers or xml deserialization purposes.
+//! \param startIndex: start index where to start reading attributes.
+//! \return: returns last index of an attribute read by this affector
+void CParticleFadeOutAffector::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options)
+{
+	TargetColor = in->getAttributeAsColor("TargetColor");
+	FadeOutTime = in->getAttributeAsFloat("FadeOutTime");
+}
+
+
+} // end namespace scene
+} // end namespace irr
+
+#endif // _IRR_COMPILE_WITH_PARTICLES_