From 3fdc6eb4f2cbeffce9b250beec4d3a2d52a3f534 Mon Sep 17 00:00:00 2001
From: hnOsmium0001 <hn.osmium0001@gmail.com>
Date: Wed, 6 Apr 2022 20:52:51 -0700
Subject: Work on moving infrastruture to this project

---
 source/Material.hpp | 76 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 source/Material.hpp

(limited to 'source/Material.hpp')

diff --git a/source/Material.hpp b/source/Material.hpp
new file mode 100644
index 0000000..6290a25
--- /dev/null
+++ b/source/Material.hpp
@@ -0,0 +1,76 @@
+#pragma once
+
+#include "RcPtr.hpp"
+#include "Shader.hpp"
+#include "Texture.hpp"
+
+#include <glad/glad.h>
+#include <cstddef>
+#include <cstdint>
+#include <glm/glm.hpp>
+#include <memory>
+#include <span>
+#include <string_view>
+#include <vector>
+
+// TODO support multiple sizes of vectors and matrices
+class Material : public RefCounted {
+public:
+	struct ScalarUniform {
+		union {
+			float floatValue;
+			int32_t intValue;
+			uint32_t uintValue;
+		};
+		GLenum actualType;
+		GLint location;
+	};
+
+	struct VectorUniform {
+		float value[4];
+		int actualLength;
+		GLint location;
+	};
+
+	struct MatrixUniform {
+		float value[16];
+		int actualWidth;
+		int actualHeight;
+		GLint location;
+	};
+
+	struct TextureUniform {
+		RcPtr<Texture> value;
+		GLint location;
+	};
+
+	RcPtr<Shader> mShader;
+	std::vector<ScalarUniform> mBoundScalars;
+	std::vector<VectorUniform> mBoundVectors;
+	std::vector<MatrixUniform> mBoundMatrices;
+	std::vector<TextureUniform> mBoundTextures;
+
+public:
+	Material(Shader* shader);
+
+	void SetFloat(const char* name, float value);
+	void SetInt(const char* name, int32_t value);
+	void SetUInt(const char* name, uint32_t value);
+
+	/// Instanciated for length == 1, 2, 3, 4
+	template <int length>
+	void SetVector(const char* name, const glm::vec<length, float>& vec);
+
+	/// Instanciated for sizes (2,2) (3,3) (4,4) (2,3) (3,2) (2,4) (4,2) (3,4) (4,3)
+	template <int width, int height>
+	void SetMatrix(const char* name, const glm::mat<width, height, float>& mat);
+
+	void SetTexture(const char* name, Texture* texture);
+
+	std::span<const VectorUniform> GetVectors() const;
+	std::span<const MatrixUniform> GetMatrices() const;
+	std::span<const TextureUniform> GetTextures() const;
+	const Shader& GetShader() const;
+
+	void UseUniforms() const;
+};
-- 
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