Add light support (WIP)

include/Nazara/Graphics/DirectionalLight.inl

@@ -0,0 +1,85 @@
+// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
+// This file is part of the "Nazara Engine - Graphics module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#include <Nazara/Graphics/DirectionalLight.hpp>
+#include <Nazara/Graphics/DirectionalLight.hpp>
+#include <cassert>
+#include <Nazara/Graphics/Debug.hpp>
+
+namespace Nz
+{
+	inline DirectionalLight::DirectionalLight() :
+	m_color(Color::White),
+	m_ambientFactor(0.2f),
+	m_diffuseFactor(1.f)
+	{
+		UpdateRotation(Quaternionf::Identity());
+	}
+
+	inline float DirectionalLight::GetAmbientFactor() const
+	{
+		return m_ambientFactor;
+	}
+
+	inline Color DirectionalLight::GetColor() const
+	{
+		return m_color;
+	}
+
+	inline const Vector3f& DirectionalLight::GetDirection() const
+	{
+		return m_direction;
+	}
+
+	inline const Quaternionf& DirectionalLight::GetRotation() const
+	{
+		return m_rotation;
+	}
+
+	inline float DirectionalLight::GetDiffuseFactor() const
+	{
+		return m_diffuseFactor;
+	}
+
+	inline void DirectionalLight::UpdateAmbientFactor(float factor)
+	{
+		m_ambientFactor = factor;
+
+		OnLightDataInvalided(this);
+	}
+
+	inline void DirectionalLight::UpdateColor(Color color)
+	{
+		m_color = color;
+
+		OnLightDataInvalided(this);
+	}
+
+	inline void DirectionalLight::UpdateDiffuseFactor(float factor)
+	{
+		m_diffuseFactor = factor;
+
+		OnLightDataInvalided(this);
+	}
+
+	inline void DirectionalLight::UpdateDirection(const Vector3f& direction)
+	{
+		UpdateRotation(Quaternionf::RotationBetween(Vector3f::Forward(), direction));
+	}
+
+	inline void DirectionalLight::UpdateRotation(const Quaternionf& rotation)
+	{
+		m_rotation = rotation;
+		m_direction = rotation * Vector3f::Forward();
+
+		UpdateBoundingVolume();
+	}
+
+	inline void DirectionalLight::UpdateBoundingVolume()
+	{
+		Light::UpdateBoundingVolume(BoundingVolumef::Infinite()); //< will trigger OnLightDataInvalided
+	}
+}
+
+#include <Nazara/Graphics/DebugOff.hpp>