package speiger.src.coreengine.rendering.shader.uniforms;

import org.lwjgl.opengl.GL20;

import speiger.src.coreengine.math.misc.ColorUtils;
import speiger.src.coreengine.math.vector.floats.Vec3f;
import speiger.src.coreengine.rendering.utils.AllocationTracker;

public class UniformVec3f extends UniformBase<Vec3f>
{
	static final Vec3f STORAGE = Vec3f.newMutable();
	
	public UniformVec3f(String id)
	{
		super(id);
	}
	
	public void storeData(Vec3f data)
	{
		if(hasChanged(data))
		{
			GL20.glUniform3f(getPosition(), data.getX(), data.getY(), data.getZ());
			AllocationTracker.INSTANCE.addGPUBytes(12L);
		}
	}
	
	public void storeData(int color)
	{
		storeData(STORAGE.set(ColorUtils.getRF(color), ColorUtils.getGF(color), ColorUtils.getBF(color)));
	}
	
	public void storeData(float x, float y, float z)
	{
		storeData(STORAGE.set(x, y, z));
	}
	
	@Override
	protected Vec3f setValue(Vec3f oldValue, Vec3f newValue)
	{
		if(oldValue != null)
		{
			return oldValue.set(newValue);
		}
		return Vec3f.newMutable(newValue);
	}
}