src/CCamera.cpp

	#include "CCamera.h"
	#include "CEngine.h"

	#include "CWindowManager.h"

	CCamera::CCamera() : FieldOfView(110.0f), Aspect(1.0f), NearPlane(0.5f), FarPlane(10000.0f)
	{
	auto changedView = [this](CTransformBase::CMeasurePack oldPack, CTransformBase* _this) -> void
	{
	UpdateView();
	};

	auto changedProj = [this](CTypedWrapableBase<float>* _this, float oldValue, float newValue) -> void
	{
	UpdateProj();
	};

	RetrieveAspect();

	FieldOfView.OnValueChanged += changedProj;
	Aspect.OnValueChanged += changedProj;
	NearPlane.OnValueChanged += changedProj;
	FarPlane.OnValueChanged += changedProj;

	Transform.OnTransformChanged += changedView;

	UpdateProj();
	UpdateView();
	}

	void CCamera::UpdateProj()
	{
	m_Proj = glm::perspective(glm::radians(FieldOfView.GetValue()), Aspect.GetValue(), NearPlane.GetValue(), FarPlane.GetValue());
	m_projUpdated = true;

	//Log::Instance() << "m_Proj = glm::perspective(glm::radians(" << FieldOfView.GetValue() << "), " << Aspect.GetValue() << ", " << NearPlane.GetValue() << ", " << FarPlane.GetValue() << ");\n";
	}

	void CCamera::UpdateView()
	{
	auto vecToStr = [](const glm::vec3& vec) -> std::string
	{
	return "{ " + StringUtils::ToStr(vec.x) + ", " + StringUtils::ToStr(vec.y) + ", " + StringUtils::ToStr(vec.z) + " }";
	};

	m_View = glm::lookAt(Transform.GetPosition(), Transform.GetPosition() + Transform.GetForwardVector(), Transform.GetUpVector());
	m_viewUpdated = true;

	//Log::Instance() << "m_View = glm::lookAt(" << vecToStr(Transform.GetPosition()) << ", " << vecToStr(Transform.GetPosition()) << " + " << vecToStr(Transform.GetForwardVector()) <<
	// " = " << vecToStr(Transform.GetPosition() + Transform.GetForwardVector()) << ", " << vecToStr(Transform.GetUpVector()) << ");\n";
	}

	void CCamera::RetrieveAspect()
	{
	float aspect = 1.0f;
	COMPONENT_CALL_GET(aspect, CWindowManager, GetWindowAspect());

	Aspect.SetValue(aspect);
	//Aspect.SetValue(CEngine::GetInstance()->Components.GetComponentTyped<CWindowManager>()->GetWindowAspect());
	//Log::Instance() << "Aspect.SetValue(" << CEngine::GetInstance()->Components.GetComponentTyped<CWindowManager>()->GetWindowAspect() << ");\n";
	}

	const glm::mat4& CCamera::GetViewMatrix() const
	{
	return m_View;
	}

	const glm::mat4& CCamera::GetProjectionMatrix() const
	{
	return m_Proj;
	}

	bool CCamera::AcknowledgeProjChange() const
	{
	bool ret = m_projUpdated;
	m_projUpdated = false;
	return ret;
	}

	bool CCamera::AcknowledgeViewChange() const
	{
	bool ret = m_viewUpdated;
	m_viewUpdated = false;
	return ret;
	}