Ajout de Jolt Physics + 1ere version des factory entitecomposants - camera, transform, rigidbody, collider, renderer

lib/All/JoltPhysics/TestFramework/Renderer/Font.h

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+// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
+// SPDX-FileCopyrightText: 2021 Jorrit Rouwe
+// SPDX-License-Identifier: MIT
+
+#pragma once
+
+#include <Jolt/Core/Reference.h>
+#include <Jolt/Core/Color.h>
+#include <Jolt/Math/Float2.h>
+#include <Renderer/RenderPrimitive.h>
+#include <Renderer/Texture.h>
+#include <Renderer/PipelineState.h>
+#include <memory>
+
+class Renderer;
+class Texture;
+
+/// Font class, used to display text in 3D mode. Does variable width fonts with kerning. Font names are identical to the Windows font names.
+class Font : public RefTarget<Font>
+{
+public:
+	/// Constants
+	static const int cBeginChar	= ' ';												///< First character that is drawable in the character set
+	static const int cEndChar	= 256;												///< Last character + 1 that is drawable in the character set
+	static const int cNumChars	= cEndChar - cBeginChar;							///< Number of drawable characters in the character set
+
+	/// Constructor
+								Font(Renderer *inRenderer);
+
+	/// Create a font
+	bool						Create(const char *inFontName, int inCharHeight);
+
+	/// Properties
+	const String &				GetFontName() const									{ return mFontName; }
+	int							GetCharHeight() const								{ return mCharHeight; }
+
+	/// Get extents of a string, assuming the height of the text is 1 and with the normal aspect ratio of the font
+	Float2						MeasureText(const string_view &inText) const;
+
+	/// Draw a string at a specific location
+	/// If the string is drawn with the identity matrix, it's top left will start at (0, 0, 0)
+	/// The text width is in the X direction and the text height is in the Y direction and it will have a height of 1
+	void						DrawText3D(Mat44Arg inTransform, const string_view &inText, ColorArg inColor = Color::sWhite) const;
+
+private:
+	/// Create a primitive for a string
+	bool						CreateString(Mat44Arg inTransform, const string_view &inText, ColorArg inColor, RenderPrimitive &ioPrimitive) const;
+
+	struct FontVertex
+	{
+		Float3					mPosition;
+		Float2					mTexCoord;
+		Color					mColor;
+	};
+
+	/// Properties of the font
+	String						mFontName;											///< Name of the font
+	int							mCharHeight;										///< Height of a character
+	int							mHorizontalTexels;									///< Number of texels horizontally, determines the scale of mStartU, mWidth and mSpacing
+	int							mVerticalTexels;									///< Number of texels vertically, determines the scale of mStartV
+	uint16						mStartU[cNumChars] = {};							///< Start U in texels
+	uint16						mStartV[cNumChars] = {};							///< Start V in texels
+	uint8						mWidth[cNumChars] = {};								///< Width of character in texels
+	uint8						mSpacing[cNumChars][cNumChars] = {};				///< Spacing between characters in texels
+
+	/// Structures used for drawing
+	Renderer *					mRenderer;											///< Our renderer
+	Ref<Texture>				mTexture;											///< The texture containing all characters
+	unique_ptr<PipelineState>	mPipelineState;										///< The state used to render characters
+};