putting shaders changes on a new branch to avoid merge nightmare

lib/Ray/sources/Shaders/Shaders.hpp

@@ -0,0 +1,55 @@
+//
+// Created by cbihan on 04/06/2021.
+//
+
+#pragma once
+
+#include <string>
+#include <memory>
+#include <map>
+#include <raylib.h>
+#include "Utils/Cache.hpp"
+
+namespace RAY
+{
+	class Shader
+	{
+	private:
+		//! @brief The vertex file of the shader
+		std::string _vertexFile;
+		//! @brief The fragment file of the shader
+		std::string _fragmentFile;
+
+		//! @brief Raylib shader struct
+		std::shared_ptr<::Shader> _rayLibShader;
+
+		//! @brief Fetch and cache the index of the shader variable on the first set of the var
+		std::map<std::string, int> _shaderIndexVars = {};
+
+		static Cache<::Shader> _shadersCache;
+	public:
+		//INTERNAL:
+		const std::shared_ptr<::Shader> &getShaderPtr() const;
+
+	public:
+
+		//! @brief start using a custom shader when drawing
+		static void BeginUsingCustomShader(RAY::Shader &shader);
+		//! @brief stop using the custom shader
+		static void EndUsingCustomShader();
+
+		//! @brief The set var for float values
+		//! @note Throw if the var is not found
+		void setShaderUniformVar(const std::string &varName, float value);
+
+		//! @brief ctor if no vertexfile in needed set it to nullptr
+		Shader(const std::string &vertexFile, const std::string &fragmentFile);
+		//! @brief Default copy ctor
+		Shader(const Shader &) = default;
+		//! @brief dtor
+		~Shader() = default;
+		//! @brief Assignment operator
+		Shader &operator=(const Shader &) = default;
+	};
+
+}