putting shaders changes on a new branch to avoid merge nightmare

lib/Ray/sources/Shaders/Shaders.cpp

@@ -0,0 +1,49 @@
+//
+// Created by cbihan on 04/06/2021.
+//
+
+#include "Shaders.hpp"
+
+#include <utility>
+#include "Exceptions/RayError.hpp"
+
+namespace RAY
+{
+	Cache<::Shader> Shader::_shadersCache(LoadShader, UnloadShader);
+
+
+	Shader::Shader(const std::string &vertexFile, const std::string &fragmentFile)
+		: _vertexFile(vertexFile),
+		  _fragmentFile(fragmentFile),
+		  _rayLibShader(_shadersCache.fetch(vertexFile, fragmentFile))
+	{
+	}
+
+	const std::shared_ptr<::Shader> &Shader::getShaderPtr() const
+	{
+		return this->_rayLibShader;
+	}
+
+	void Shader::setShaderUniformVar(const std::string &varName, float value)
+	{
+		if (this->_shaderIndexVars.find(varName) == this->_shaderIndexVars.end()) {
+			int varShaderIndex = GetShaderLocation(*this->_rayLibShader, varName.c_str());
+
+			if (varShaderIndex < 0) {
+				throw Exception::WrongInputError("The loaded shader doesn't have a variable called: " + varName);
+			}
+			this->_shaderIndexVars[varName] = varShaderIndex;
+		}
+		SetShaderValue(*this->_rayLibShader, this->_shaderIndexVars[varName], &value, SHADER_UNIFORM_FLOAT);
+	}
+
+	void Shader::BeginUsingCustomShader(Shader &shader)
+	{
+		BeginShaderMode(*shader.getShaderPtr());
+	}
+
+	void Shader::EndUsingCustomShader()
+	{
+		EndShaderMode();
+	}
+}