VertexAttribute.cpp
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VertexAttribute.cpp
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	#include <echo/Graphics/VertexAttribute.h>
	#include <echo/Maths/Vector4.h>
	#include <echo/Maths/Vector2.h>
	#include <echo/Graphics/Colour.h>

	namespace Echo
	{
	VertexAttribute::VertexAttribute(ComponentType type, Size numberOfComponents)
	{
	mOffset=0;
	mNormalise = false;
	SetType(type,numberOfComponents);
	}

	VertexAttribute::~VertexAttribute()
	{
	}

	void VertexAttribute::SetNormalise(bool normalise)
	{
	mNormalise = normalise;
	}

	void VertexAttribute::SetType(ComponentType type, Size numberOfComponents)
	{
	mComponentType=type;
	mNumberOfComponents = numberOfComponents;
	switch(type)
	{
	case ComponentTypes::FLOAT32:
	mWidth=numberOfComponents*sizeof(f32);
	return;
	case ComponentTypes::FLOAT64:
	mWidth=numberOfComponents*sizeof(f64);
	return;
	case ComponentTypes::SIGNED8:
	mWidth=numberOfComponents*sizeof(s8);
	return;
	case ComponentTypes::UNSIGNED8:
	mWidth=numberOfComponents*sizeof(u8);
	return;
	case ComponentTypes::SIGNED16:
	mWidth=numberOfComponents*sizeof(s16);
	return;
	case ComponentTypes::UNSIGNED16:
	mWidth=numberOfComponents*sizeof(u16);
	return;
	case ComponentTypes::SIGNED32:
	mWidth=numberOfComponents*sizeof(s32);
	return;
	case ComponentTypes::UNSIGNED32:
	mWidth=numberOfComponents*sizeof(u32);
	return;

	case ComponentTypes::VECTOR2:
	SetType(ComponentTypes::FLOAT32,2);
	return;
	case ComponentTypes::VECTOR3:
	SetType(ComponentTypes::FLOAT32,3);
	return;
	case ComponentTypes::VECTOR4:
	SetType(ComponentTypes::FLOAT32,4);
	return;
	case ComponentTypes::TEXTUREUV:
	SetType(ComponentTypes::FLOAT32,2);
	return;
	case ComponentTypes::COLOUR:
	SetType(ComponentTypes::FLOAT32,4);
	return;
	case ComponentTypes::COLOUR_8:
	SetType(ComponentTypes::UNSIGNED8,4);
	mNormalise = true;
	return;
	}
	}
	}

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