#include "emitter.hpp"
#include "std.hpp"

Emitter::Emitter() {}

Emitter::Emitter(const Emitter& t) {}

Emitter::~Emitter() {}

void Emitter::beginRender(float tween)
{
	Object::beginRender(tween);

	vel = getRenderTform().v - pos;
	pos = getRenderTform().v;

	for (int k = 0; k < channels.size(); ++k) {
		gxChannel* chan = channels[k];
		if (!chan->isPlaying()) {
			channels[k] = 0;
			continue;
		}
		chan->set3d(&pos.x, &vel.x);
	}
}

gxChannel* Emitter::emitSound(gxSound* sound)
{
	gxChannel* chan = sound->play3d(&pos.x, &vel.x);

	for (int k = 0; k < channels.size(); ++k) {
		if (chan = channels[k])
			return chan;
		if (channels[k])
			continue;
		channels[k] = chan;
		return chan;
	}
	channels.push_back(chan);
	return chan;
}