From 3ee981867eea613c2575516a888d57a54ba8fd06 Mon Sep 17 00:00:00 2001
From: Lynix <lynix680@gmail.com>
Date: Tue, 26 May 2015 00:08:24 +0200
Subject: [PATCH] Graphics: Add Renderable class

WIP


Former-commit-id: b9ea2a443cf2e5f8b90360e1f47466b0c3ce69fa
---
 include/Nazara/Graphics/Renderable.hpp | 60 ++++++++++++++++++++++++++
 include/Nazara/Graphics/Renderable.inl | 20 +++++++++
 src/Nazara/Graphics/Renderable.cpp     | 24 +++++++++++
 3 files changed, 104 insertions(+)
 create mode 100644 include/Nazara/Graphics/Renderable.hpp
 create mode 100644 include/Nazara/Graphics/Renderable.inl
 create mode 100644 src/Nazara/Graphics/Renderable.cpp

diff --git a/include/Nazara/Graphics/Renderable.hpp b/include/Nazara/Graphics/Renderable.hpp
new file mode 100644
index 000000000..29f00d538
--- /dev/null
+++ b/include/Nazara/Graphics/Renderable.hpp
@@ -0,0 +1,60 @@
+// Copyright (C) 2015 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Graphics module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_RENDERABLE_HPP
+#define NAZARA_RENDERABLE_HPP
+
+#include <Nazara/Core/NonCopyable.hpp>
+#include <Nazara/Core/PrimitiveList.hpp>
+#include <Nazara/Core/ObjectLibrary.hpp>
+#include <Nazara/Core/ObjectListenerWrapper.hpp>
+#include <Nazara/Core/ObjectRef.hpp>
+#include <Nazara/Core/RefCounted.hpp>
+#include <Nazara/Math/BoundingVolume.hpp>
+#include <Nazara/Math/Frustum.hpp>
+#include <Nazara/Math/Matrix4.hpp>
+
+class NzAbstractRenderQueue;
+class NzRenderable;
+
+using NzRenderableConstListener = NzObjectListenerWrapper<const NzRenderable>;
+using NzRenderableConstRef = NzObjectRef<const NzRenderable>;
+using NzRenderableLibrary = NzObjectLibrary<NzRenderable>;
+using NzRenderableListener = NzObjectListenerWrapper<NzRenderable>;
+using NzRenderableRef = NzObjectRef<NzRenderable>;
+
+class NAZARA_API NzRenderable : public NzRefCounted
+{
+	public:
+		NzRenderable() = default;
+		NzRenderable(const NzRenderable& renderable) = default;
+		virtual ~NzRenderable();
+
+		void EnsureBoundingVolumeUpdated() const;
+
+		virtual void AddToRenderQueue(NzAbstractRenderQueue* renderQueue, const NzMatrix4f& transformMatrix) const = 0;
+		virtual void Cull(const NzFrustumf& frustum, const NzBoundingVolumef& volume, const NzMatrix4f& transformMatrix) const = 0;
+		virtual const NzBoundingVolumef& GetBoundingVolume() const;
+		virtual void UpdateBoundingVolume(NzBoundingVolumef* boundingVolume, const NzMatrix4f& transformMatrix) const;
+
+		NzRenderable& operator=(const NzRenderable& renderable) = default;
+
+	protected:
+		virtual void MakeBoundingVolume() const = 0;
+		void InvalidateBoundingVolume();
+		void UpdateBoundingVolume() const;
+
+		mutable NzBoundingVolumef m_boundingVolume;
+
+	private:
+		mutable bool m_boundingVolumeUpdated;
+
+		static NzRenderableLibrary::LibraryMap s_library;
+};
+
+#include <Nazara/Graphics/Renderable.inl>
+
+#endif // NAZARA_RENDERABLE_HPP
diff --git a/include/Nazara/Graphics/Renderable.inl b/include/Nazara/Graphics/Renderable.inl
new file mode 100644
index 000000000..eb5a70b20
--- /dev/null
+++ b/include/Nazara/Graphics/Renderable.inl
@@ -0,0 +1,20 @@
+// Copyright (C) 2015 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Graphics module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+void NzRenderable::EnsureBoundingVolumeUpdated() const
+{
+	if (!m_boundingVolumeUpdated)
+		UpdateBoundingVolume();
+}
+
+void NzRenderable::InvalidateBoundingVolume()
+{
+	m_boundingVolumeUpdated = false;
+}
+
+void NzRenderable::UpdateBoundingVolume() const
+{
+	MakeBoundingVolume();
+	m_boundingVolumeUpdated = true;
+}
diff --git a/src/Nazara/Graphics/Renderable.cpp b/src/Nazara/Graphics/Renderable.cpp
new file mode 100644
index 000000000..c084dbbf8
--- /dev/null
+++ b/src/Nazara/Graphics/Renderable.cpp
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 Jérôme Leclercq
+// 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/Renderable.hpp>
+#include <Nazara/Graphics/Debug.hpp>
+
+NzRenderable::~NzRenderable() = default;
+
+const NzBoundingVolumef& NzRenderable::GetBoundingVolume() const
+{
+	EnsureBoundingVolumeUpdated();
+
+	return m_boundingVolume;
+}
+
+void NzRenderable::UpdateBoundingVolume(NzBoundingVolumef* boundingVolume, const NzMatrix4f& transformMatrix) const
+{
+	NazaraAssert(boundingVolume, "Invalid bounding volume");
+
+	boundingVolume->Update(transformMatrix);
+}
+
+NzRenderableLibrary::LibraryMap NzRenderable::s_library;