feat: add TextureManager class

src/texture_manager.cpp

@@ -0,0 +1,46 @@
+#include <Cubed/texture_manager.hpp>
+
+TextureManager::TextureManager() {
+
+}
+
+TextureManager::~TextureManager() {
+    delet_texture();   
+}
+
+std::size_t TextureManager::make_hash(std::string name) {
+    std::size_t h1 = std::hash<std::string>{}(name);
+    return h1; 
+}
+
+const BlockTexture& TextureManager::get_block_texture(std::string name) {
+    auto it = m_block_textures.find(make_hash(name));
+    if (it != m_block_textures.end()) {
+        return it->second;
+    }
+    load_block_texture(name);
+    return m_block_textures[make_hash(name)];
+    
+}
+
+
+void TextureManager::delet_texture() {
+    for (const auto& texture : m_block_textures) {
+        auto [key, block_texture] = texture;
+        for (const GLuint& texture_id : block_texture.texture) {
+            glDeleteTextures(1, &texture_id);
+        }        
+    }
+}
+
+void TextureManager::load_block_texture(std::string block_name) {
+    BlockTexture block_texture;
+    std::string block_texture_path = "assets/texture/block/" + block_name;
+    block_texture.texture.emplace_back(load_texture(block_texture_path + "/front.png"));
+    block_texture.texture.emplace_back(load_texture(block_texture_path + "/right.png"));
+    block_texture.texture.emplace_back(load_texture(block_texture_path + "/back.png"));
+    block_texture.texture.emplace_back(load_texture(block_texture_path + "/left.png"));
+    block_texture.texture.emplace_back(load_texture(block_texture_path + "/top.png"));
+    block_texture.texture.emplace_back(load_texture(block_texture_path + "/base.png"));
+    m_block_textures[make_hash(block_name)] = block_texture;
+}