Added TextSprites

Former-commit-id: 85bef5ec14336710b2fdc782d3d0d77787ab65dd

include/Nazara/Graphics/Enums.hpp

@@ -71,10 +71,11 @@ enum nzRenderTechniqueType
 
 enum nzSceneNodeType
 {
-	nzSceneNodeType_Light,  // NzLight
-	nzSceneNodeType_Model,  // NzModel
-	nzSceneNodeType_Root,   // NzSceneRoot
-	nzSceneNodeType_Sprite, // NzSprite
+	nzSceneNodeType_Light,      // NzLight
+	nzSceneNodeType_Model,      // NzModel
+	nzSceneNodeType_Root,       // NzSceneRoot
+	nzSceneNodeType_Sprite,     // NzSprite
+	nzSceneNodeType_TextSprite, // NzTextSprite
 	nzSceneNodeType_User,
 
 	nzSceneNodeType_Max = nzSceneNodeType_User

include/Nazara/Graphics/TextSprite.hpp

@@ -0,0 +1,75 @@
+// Copyright (C) 2014 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_TEXTSPRITE_HPP
+#define NAZARA_TEXTSPRITE_HPP
+
+#include <Nazara/Prerequesites.hpp>
+#include <Nazara/Core/ResourceListener.hpp>
+#include <Nazara/Graphics/Material.hpp>
+#include <Nazara/Graphics/SceneNode.hpp>
+#include <Nazara/Utility/AbstractAtlas.hpp>
+#include <Nazara/Utility/AbstractTextDrawer.hpp>
+#include <Nazara/Utility/VertexStruct.hpp>
+#include <memory>
+#include <set>
+
+class NAZARA_API NzTextSprite : public NzSceneNode, NzAbstractAtlas::Listener
+{
+	public:
+		NzTextSprite();
+		NzTextSprite(const NzTextSprite& sprite);
+		~NzTextSprite();
+
+		void AddToRenderQueue(NzAbstractRenderQueue* renderQueue) const override;
+
+		void Clear();
+
+		const NzBoundingVolumef& GetBoundingVolume() const override;
+		const NzColor& GetColor() const;
+		NzMaterial* GetMaterial() const;
+		nzSceneNodeType GetSceneNodeType() const override;
+
+		void InvalidateVertices();
+		bool IsDrawable() const;
+
+		void SetColor(const NzColor& color);
+		void SetDefaultMaterial();
+		void SetMaterial(NzMaterial* material);
+		void SetText(const NzAbstractTextDrawer& drawer);
+
+		NzTextSprite& operator=(const NzTextSprite& text);
+
+	private:
+		void ClearAtlases();
+		void InvalidateNode() override;
+		bool OnAtlasCleared(const NzAbstractAtlas* atlas, void* userdata) override;
+		bool OnAtlasLayerChange(const NzAbstractAtlas* atlas, NzAbstractImage* oldLayer, NzAbstractImage* newLayer, void* userdata) override;
+		void OnAtlasReleased(const NzAbstractAtlas* atlas, void* userdata) override;
+		void Register() override;
+		void Unregister() override;
+		void UpdateBoundingVolume() const;
+		void UpdateVertices() const;
+
+		struct RenderIndices
+		{
+			unsigned int first;
+			unsigned int count;
+		};
+
+		std::set<const NzAbstractAtlas*> m_atlases;
+		mutable std::unordered_map<NzTexture*, RenderIndices> m_renderInfos;
+		mutable std::vector<NzVertexStruct_XY_Color> m_localVertices;
+		mutable std::vector<NzVertexStruct_XYZ_Color_UV> m_vertices;
+		mutable NzBoundingVolumef m_boundingVolume;
+		NzColor m_color;
+		NzMaterialRef m_material;
+		NzRectui m_localBounds;
+		mutable bool m_boundingVolumeUpdated;
+		mutable bool m_verticesUpdated;
+};
+
+#endif // NAZARA_TEXTSPRITE_HPP