feat: add TextureManager class

include/Cubed/texture_manager.hpp

@@ -0,0 +1,26 @@
+#pragma once
+#include <glad/glad.h>
+#include <string>
+#include <unordered_map>
+#include <vector>
+
+#include <Cubed/tools/shader_tools.hpp>
+struct BlockTexture {
+    std::string name;
+    std::vector<GLuint> texture;
+
+};
+
+class TextureManager {
+private:
+    static std::size_t make_hash(std::string);
+    std::unordered_map<std::size_t, BlockTexture> m_block_textures;
+
+public:
+    TextureManager();
+    ~TextureManager();
+    const BlockTexture& get_block_texture(std::string name);
+    void delet_texture();
+    
+    void load_block_texture(std::string block_name);
+};

include/Cubed/tools/shader_tools.hpp

@@ -9,4 +9,5 @@ void print_shader_log(GLuint shader);
 void print_program_info(int prog);
 bool check_opengl_error();
 std::string read_shader_source(const char* file_path);
+GLuint load_texture(const std::string& tex_image_path);
 GLuint load_texture(const char* tex_image_path);