Archived dead links

ARCHIVE.md

@@ -7,6 +7,26 @@ These links sometimes fail link validation. They should still work, but may not.
 <br />
 <br />
 
+## Learning
+_Info on topics necessary for designing and developing game engines._
+
+### Computer Graphics
+- Education Portals
+    - 📚 [Lighthouse3d.com](http://www.lighthouse3d.com/tutorials/) - Collection of tutorials on OpenGL, GLSL and other graphics topics.
+
+<br />
+<br />
+
+## Libraries
+_Language specific game engine development libraries / frameworks / code._
+
+### C++
+- C++: Game Engine w/Editor
+    - 🎉 [SGEEngine](https://github.com/ongamex/SGEEngine) - Game engine with an editor usable as a sandbox.
+
+<br />
+<br />
+
 ## Specialty Topics
 _Exploring specialty application / game engine / game development topics and features._
 
@@ -24,8 +44,19 @@ _Exploring specialty application / game engine / game development topics and fea
 ### Shaders
 - Noise
     - 🎉 [Direct Computational Noise](https://weber.itn.liu.se/~stegu/jgt2011/supplement.pdf) - GLSL 2D simplex noise function many games use. [[Source](https://github.com/ashima/webgl-noise/)]
+- Water / Refraction
+    - 📚 [2D Water Shader](https://rotatingcanvas.com/fragment-shader-to-simulate-water-surface-in-libgdx/) - GLSL fragment shader to simulate 2D water surface in libGDX.
 - Wireframe
     - 📚 [Easy Wireframe Display](https://web.archive.org/web/20190220052115/http://codeflow.org/entries/2012/aug/02/easy-wireframe-display-with-barycentric-coordinates/) - Rendering triangles as wireframe using [Barycentric Coordinates](https://en.wikipedia.org/wiki/Barycentric_coordinate_system).
 
 <br />
 <br />
+
+## Video Game Assets
+_Resources to help bring video games and game engines alive._
+
+### Model Assets
+- 🆓 [3D Models CC0](https://www.3dmodelscc0.com) - Public domain 3D models.
+
+<br />
+<br />

README.md

@@ -166,7 +166,6 @@ _Info on topics necessary for designing and developing game engines._
     - 📚 [Physically-Based Rendering](https://www.pbrt.org) - From the Academy Award winning authority on PBR.
 - Education Portals
     - 📚 [Game Art Tricks](http://simonschreibt.de/game-art-tricks/) - Articles exploring different graphics techniques.
-    - 📚 [Lighthouse3d.com](http://www.lighthouse3d.com/tutorials/) - Collection of tutorials on OpenGL, GLSL and other graphics topics.
     - 📚 [Scratchapixel](https://www.scratchapixel.com) - In depth coverage of computer graphics topics.
 - Graphics API: DirectX
     - 🌎 [DirectX](https://docs.microsoft.com/en-us/windows/win32/directx) - Microsoft API used to create 2D/3D games and apps. [[Blog](https://devblogs.microsoft.com/directx/) | [Samples](https://github.com/microsoft/DirectX-Graphics-Samples)]
@@ -402,7 +401,6 @@ _Language specific game engine development libraries / frameworks / code._
     - 🎉 [Overload](https://github.com/adriengivry/Overload) - Well documented 3D game engine inspired by industry standards.
     - 🎉 [Razix Engine](https://github.com/Pikachuxxxx/Razix) - High-performance research engine for production pipeline.
     - 🎉 [Rootex](https://github.com/sdslabs/rootex) - Advanced C++ 3D game engine powering an in-production game.
-    - 🎉 [SGEEngine](https://github.com/ongamex/SGEEngine) - Game engine with an editor usable as a sandbox.
     - 🎉 [Skylicht](https://github.com/skylicht-lab/skylicht-engine) - Upgraded features including audio, physics and particles. Built on _Irrlicht_.
     - 🎉 [Spartan Engine](https://github.com/PanosK92/SpartanEngine) - Emphasis on quality and performance.
     - 🎉 [Toolkit](https://github.com/Oyun-Teknolojileri/ToolKit) - Simple 2D/3D game and app develepment kit.
@@ -1186,8 +1184,6 @@ _Exploring specialty game engine / game development topics and features._
 - Upscaling
     - 📚 [How do I perform an xBR or hqx filter in XNA?](https://gamedev.stackexchange.com/questions/87275/how-do-i-perform-an-xbr-or-hqx-filter-in-xna/87821#87821) - Upscaling shader code.
     - 📚 [hqx](https://en.wikipedia.org/wiki/Hqx) - Wikipedia article about the hqx pixel art upscaling algorithm developed by Maxim Stepin.
-- Water / Refraction
-    - 📚 [2D Water Shader](https://rotatingcanvas.com/fragment-shader-to-simulate-water-surface-in-libgdx/) - GLSL fragment shader to simulate 2D water surface in libGDX.
 - Wireframe
     - 📚 [Flat and Wireframe Shading](https://catlikecoding.com/unity/tutorials/advanced-rendering/flat-and-wireframe-shading/) - Flat shading / wireframes using Barycentric Coordinates.
 
@@ -1356,7 +1352,6 @@ _Resources to help bring video games and game engines alive._
 - 🆓 [Pmndrs Materials](https://market.pmnd.rs/materials) - Collection of public domain materials.
 
 ### Model Assets
-- 🆓 [3D Models CC0](https://www.3dmodelscc0.com) - Public domain 3D models.
 - 🆓 [Pmndrs Market](https://market.pmnd.rs) - Collection of public domain models.
 - 🆓 [Poly Pizza](https://poly.pizza) - Build something beautiful with thousands of free low poly models.
 - 🆓 [Quaternius](https://quaternius.com) - Collection of CC0 1.0 3D models.