Cloud Engine

A custom C++ game Engine.

Core Features

Renderer System
- DirectX 11 Renderer (Bindful/Slot-based Rendering)
- DirectX 12 Renderer (Bindless Rendering with HLSL Dynamic Resources)
- DX Shader Compiler
- Bitmap font
- Sprite sheet and sprite animation
- Debug Render help functions
Asset Loading System
- Images (stb_image)
- XML (TinyXML2)
- OBJ Loader

Network System using Winsock2
Hierarchical Scalable Clock System
Input System (keyboard, mouse and xbox controller)
Audio System using FMOD
Event System
Dev Console
Dear ImGui
2D Physics
Math
- EulerAngles, Matrix, Quaternion
- Geometric Primitives
- Spline 2D/3D
- Raycast 2D/3D

Game Developed using Cloud Engine

ChessDX - Chess Game with DirectX 12 Rendering, and Networked Multiplayer
Doomenstein - Doom-like 3D FPS game with data-driven actors, weapons, and maps
Libra - Top-down 2D tank game
Starship - Top-down 2D space shooter game

Math Visual Tests

Visualizes and verifies C++ engine math functions through interactive test scenes.

SplineAndQuat.mp4

Spline 2D/3D and Quaternion

GeometryTests.mp4

Geometry Tests

2DPhysics.mp4

2D Physics

Shader Tests

Test experimental shaders and validate the renderer system

SDF_Raymarching.mp4

SDF + Ray Marching + PBR

PBR.mp4

PBR with Direct Lighting

TriplanarMapping.mp4

Triplanar Mapping

Bindless Rendering with HLSL Dynamic Resources (DX12 and SM 6.6)

In traditional DirectX 12, root signatures specify how shader-visible resources are bound to the pipeline. Typically, you either create a generic root signature or maintain multiple root signatures for different rendering scenarios, possibly using HLSL root signature reflection or macros (as Unity does) to manage complexity.

However, for a small engine, I found the bindless resource approach (especially with Shader Model 6.6’s ResourceDescriptorHeap and SamplerDescriptorHeap ) to be a much cleaner solution. With bindless, you only need a single, simple root signature (e.g., with 64 unsigned ints), and shaders can access resources via indices.

Here’s a sample code snippet:

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