From a2ac8b537a61fb7a7be1a3e08635ffc88e17d966 Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Thu, 18 Nov 2021 06:48:50 +0100
Subject: Disable copy constructors for opengl resource items

---
 include/mglpp/graphics/Font.hpp           |  2 ++
 include/mglpp/graphics/Image.hpp          |  2 ++
 include/mglpp/graphics/Shader.hpp         |  2 ++
 include/mglpp/graphics/Texture.hpp        |  5 +++++
 include/mglpp/system/MemoryMappedFile.hpp |  2 ++
 include/mglpp/window/Window.hpp           |  2 ++
 src/graphics/Texture.cpp                  | 15 ++++++++++++++-
 7 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/include/mglpp/graphics/Font.hpp b/include/mglpp/graphics/Font.hpp
index ca6a146..afba8d3 100644
--- a/include/mglpp/graphics/Font.hpp
+++ b/include/mglpp/graphics/Font.hpp
@@ -22,6 +22,8 @@ namespace mgl {
     class Font {
     public:
         Font();
+        Font(const Font&) = delete;
+        Font& operator=(const Font&) = delete;
         ~Font();
 
         bool load_from_file(const MemoryMappedFile &mapped_file, unsigned int character_size);
diff --git a/include/mglpp/graphics/Image.hpp b/include/mglpp/graphics/Image.hpp
index a868ad6..4a55ba5 100644
--- a/include/mglpp/graphics/Image.hpp
+++ b/include/mglpp/graphics/Image.hpp
@@ -11,6 +11,8 @@ namespace mgl {
     class Image {
     public:
         Image();
+        Image(const Image&) = delete;
+        Image& operator=(const Image&) = delete;
         ~Image();
 
         bool load_from_file(const char *filepath);
diff --git a/include/mglpp/graphics/Shader.hpp b/include/mglpp/graphics/Shader.hpp
index 0aedc47..2d1336d 100644
--- a/include/mglpp/graphics/Shader.hpp
+++ b/include/mglpp/graphics/Shader.hpp
@@ -17,6 +17,8 @@ namespace mgl {
         };
 
         Shader();
+        Shader(const Shader&) = delete;
+        Shader& operator=(const Shader&) = delete;
         ~Shader();
 
         bool load_from_file(const char *filepath, Type type);
diff --git a/include/mglpp/graphics/Texture.hpp b/include/mglpp/graphics/Texture.hpp
index 633d2cd..5ef94a0 100644
--- a/include/mglpp/graphics/Texture.hpp
+++ b/include/mglpp/graphics/Texture.hpp
@@ -17,16 +17,21 @@ namespace mgl {
         };
 
         Texture();
+        Texture(Texture &&other);
         ~Texture();
 
         static Texture reference(mgl_texture ref);
 
         bool load_from_file(const char *filepath, const LoadOptions load_options = {false, false});
         bool load_from_image(Image &image, const LoadOptions load_options = {false, false});
+        void clear();
         vec2i get_size() const;
         bool is_valid() const;
 
         mgl_texture* internal_texture();
+    private:
+        Texture(const Texture&);
+        Texture& operator=(const Texture&);
     private:
         mgl_texture texture;
         bool owned = true;
diff --git a/include/mglpp/system/MemoryMappedFile.hpp b/include/mglpp/system/MemoryMappedFile.hpp
index 508518a..1be23d4 100644
--- a/include/mglpp/system/MemoryMappedFile.hpp
+++ b/include/mglpp/system/MemoryMappedFile.hpp
@@ -14,6 +14,8 @@ namespace mgl {
         };
 
         MemoryMappedFile();
+        MemoryMappedFile(const MemoryMappedFile&) = delete;
+        MemoryMappedFile& operator=(const MemoryMappedFile&) = delete;
         ~MemoryMappedFile();
         
         bool load(const char *filepath, LoadOptions load_options = { true, true });
diff --git a/include/mglpp/window/Window.hpp b/include/mglpp/window/Window.hpp
index 1ce399c..1b7c292 100644
--- a/include/mglpp/window/Window.hpp
+++ b/include/mglpp/window/Window.hpp
@@ -38,6 +38,8 @@ namespace mgl {
         };
 
         Window();
+        Window(const Window&) = delete;
+        Window& operator=(const Window&) = delete;
         ~Window();
 
         bool create(const char *title, CreateParams create_params);
diff --git a/src/graphics/Texture.cpp b/src/graphics/Texture.cpp
index f543c37..29c2eea 100644
--- a/src/graphics/Texture.cpp
+++ b/src/graphics/Texture.cpp
@@ -1,9 +1,15 @@
 #include "../../include/mglpp/graphics/Texture.hpp"
 #include "../../include/mglpp/graphics/Image.hpp"
+#include <string.h>
 
 namespace mgl {
     Texture::Texture() {
-        texture.id = 0;
+        memset(&texture, 0, sizeof(mgl_texture));
+    }
+
+    Texture::Texture(Texture &&other) {
+        memcpy(&texture, &other.texture, sizeof(mgl_texture));
+        other.texture.id = 0;
     }
 
     Texture::~Texture() {
@@ -47,6 +53,13 @@ namespace mgl {
         return mgl_texture_load_from_image(&texture, image.internal_image(), &texture_load_options) == 0;
     }
 
+    void Texture::clear() {
+        if(owned)
+            mgl_texture_unload(&texture);
+        memset(&texture, 0, sizeof(mgl_texture));
+        owned = true;
+    }
+
     vec2i Texture::get_size() const {
         return { texture.width, texture.height };
     }
-- 
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