From 7028cbe09c688437910a25623098762bf0fa592d Mon Sep 17 00:00:00 2001
From: David Walter Seikel
Date: Mon, 28 Mar 2016 22:28:34 +1000
Subject: Move Irrlicht to src/others.

---
 .../source/Irrlicht/CParticlePointEmitter.cpp      | 147 +++++++++++++++++++++
 1 file changed, 147 insertions(+)
 create mode 100644 src/others/irrlicht-1.8.1/source/Irrlicht/CParticlePointEmitter.cpp

(limited to 'src/others/irrlicht-1.8.1/source/Irrlicht/CParticlePointEmitter.cpp')

diff --git a/src/others/irrlicht-1.8.1/source/Irrlicht/CParticlePointEmitter.cpp b/src/others/irrlicht-1.8.1/source/Irrlicht/CParticlePointEmitter.cpp
new file mode 100644
index 0000000..34dc51d
--- /dev/null
+++ b/src/others/irrlicht-1.8.1/source/Irrlicht/CParticlePointEmitter.cpp
@@ -0,0 +1,147 @@
+// 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 "CParticlePointEmitter.h"
+#include "os.h"
+#include "IAttributes.h"
+
+namespace irr
+{
+namespace scene
+{
+
+//! constructor
+CParticlePointEmitter::CParticlePointEmitter(
+	const core::vector3df& direction, u32 minParticlesPerSecond,
+	u32 maxParticlesPerSecond, video::SColor minStartColor,
+	video::SColor maxStartColor, u32 lifeTimeMin, u32 lifeTimeMax,
+	s32 maxAngleDegrees,
+	const core::dimension2df& minStartSize,
+	const core::dimension2df& maxStartSize)
+ : Direction(direction),
+	MinStartSize(minStartSize), MaxStartSize(maxStartSize),
+	MinParticlesPerSecond(minParticlesPerSecond),
+	MaxParticlesPerSecond(maxParticlesPerSecond),
+	MinStartColor(minStartColor), MaxStartColor(maxStartColor),
+	MinLifeTime(lifeTimeMin), MaxLifeTime(lifeTimeMax),
+	MaxAngleDegrees(maxAngleDegrees), Time(0), Emitted(0)
+{
+	#ifdef _DEBUG
+	setDebugName("CParticlePointEmitter");
+	#endif
+}
+
+
+//! Prepares an array with new particles to emitt into the system
+//! and returns how much new particles there are.
+s32 CParticlePointEmitter::emitt(u32 now, u32 timeSinceLastCall, SParticle*& outArray)
+{
+	Time += timeSinceLastCall;
+
+	const u32 pps = (MaxParticlesPerSecond - MinParticlesPerSecond);
+	const f32 perSecond = pps ? ((f32)MinParticlesPerSecond + os::Randomizer::frand() * pps) : MinParticlesPerSecond;
+	const f32 everyWhatMillisecond = 1000.0f / perSecond;
+
+	if (Time > everyWhatMillisecond)
+	{
+		Time = 0;
+		Particle.startTime = now;
+		Particle.vector = Direction;
+
+		if (MaxAngleDegrees)
+		{
+			core::vector3df tgt = Direction;
+			tgt.rotateXYBy(os::Randomizer::frand() * MaxAngleDegrees);
+			tgt.rotateYZBy(os::Randomizer::frand() * MaxAngleDegrees);
+			tgt.rotateXZBy(os::Randomizer::frand() * MaxAngleDegrees);
+			Particle.vector = tgt;
+		}
+
+		Particle.endTime = now + MinLifeTime;
+		if (MaxLifeTime != MinLifeTime)
+			Particle.endTime += os::Randomizer::rand() % (MaxLifeTime - MinLifeTime);
+
+		if (MinStartColor==MaxStartColor)
+			Particle.color=MinStartColor;
+		else
+			Particle.color = MinStartColor.getInterpolated(MaxStartColor, os::Randomizer::frand());
+
+		Particle.startColor = Particle.color;
+		Particle.startVector = Particle.vector;
+
+		if (MinStartSize==MaxStartSize)
+			Particle.startSize = MinStartSize;
+		else
+			Particle.startSize = MinStartSize.getInterpolated(MaxStartSize, os::Randomizer::frand());
+		Particle.size = Particle.startSize;
+
+		outArray = &Particle;
+		return 1;
+	}
+
+	return 0;
+}
+
+
+//! Writes attributes of the object.
+void CParticlePointEmitter::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const
+{
+	out->addVector3d("Direction", Direction);
+	out->addFloat("MinStartSizeWidth", MinStartSize.Width);
+	out->addFloat("MinStartSizeHeight", MinStartSize.Height);
+	out->addFloat("MaxStartSizeWidth", MaxStartSize.Width);
+	out->addFloat("MaxStartSizeHeight", MaxStartSize.Height); 
+	out->addInt("MinParticlesPerSecond", MinParticlesPerSecond);
+	out->addInt("MaxParticlesPerSecond", MaxParticlesPerSecond);
+	out->addColor("MinStartColor", MinStartColor);
+	out->addColor("MaxStartColor", MaxStartColor);
+	out->addInt("MinLifeTime", MinLifeTime);
+	out->addInt("MaxLifeTime", MaxLifeTime);
+	out->addInt("MaxAngleDegrees", MaxAngleDegrees);
+}
+
+//! Reads attributes of the object.
+void CParticlePointEmitter::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options)
+{
+	Direction = in->getAttributeAsVector3d("Direction");
+	if (Direction.getLength() == 0)
+		Direction.set(0,0.01f,0);
+
+	int idx = -1;
+	idx = in->findAttribute("MinStartSizeWidth");
+	if ( idx >= 0 )
+		MinStartSize.Width = in->getAttributeAsFloat(idx);
+	idx = in->findAttribute("MinStartSizeHeight");
+	if ( idx >= 0 )
+		MinStartSize.Height = in->getAttributeAsFloat(idx);
+	idx = in->findAttribute("MaxStartSizeWidth");
+	if ( idx >= 0 )
+		MaxStartSize.Width = in->getAttributeAsFloat(idx);
+	idx = in->findAttribute("MaxStartSizeHeight");
+	if ( idx >= 0 )
+		MaxStartSize.Height = in->getAttributeAsFloat(idx);
+
+	MinParticlesPerSecond = in->getAttributeAsInt("MinParticlesPerSecond");
+	MaxParticlesPerSecond = in->getAttributeAsInt("MaxParticlesPerSecond");
+
+	MinParticlesPerSecond = core::max_(1u, MinParticlesPerSecond);
+	MaxParticlesPerSecond = core::max_(MaxParticlesPerSecond, 1u);
+	MaxParticlesPerSecond = core::min_(MaxParticlesPerSecond, 200u);
+	MinParticlesPerSecond = core::min_(MinParticlesPerSecond, MaxParticlesPerSecond);
+
+	MinStartColor = in->getAttributeAsColor("MinStartColor");
+	MaxStartColor = in->getAttributeAsColor("MaxStartColor");
+	MinLifeTime = in->getAttributeAsInt("MinLifeTime");
+	MaxLifeTime = in->getAttributeAsInt("MaxLifeTime");
+	MaxAngleDegrees = in->getAttributeAsInt("MaxAngleDegrees");
+
+	MinLifeTime = core::max_(0u, MinLifeTime);
+	MaxLifeTime = core::max_(MaxLifeTime, MinLifeTime);
+	MinLifeTime = core::min_(MinLifeTime, MaxLifeTime);
+}
+
+
+} // end namespace scene
+} // end namespace irr
+
-- 
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