Codebase Statistics

Codebase Statistics

Comprehensive metrics and analysis of the SparkEngine codebase. Updated 2026-08-27.

Code Volume

Total Lines of Code

Section	Lines
SparkEngine/Source	309864
SparkEditor/Source	109161
GameModules	142985
External services	11028
Asset pipeline	2399
Tests	166374
SparkConsole/src	1633
SparkShaderCompiler/src	588
Total C++ (excl. ThirdParty)	~754130

File Counts

Category	Count
Header files (.h/.hpp)	1000
Implementation files (.cpp)	1463
HLSL shader files	42
GLSL shader files	14
AngelScript files (.as)	1
Test files (.cpp)	575
Wiki pages (.md)	198

Code Density

Metric	Value
Average lines per .cpp file	~709
Average lines per .h file	~581
Largest codebase section	Graphics (119441 lines — 38% of SparkEngine/Source)

SparkEngine/Source Breakdown

By Subsystem (Top-Level)

Subsystem	Lines	% of Source
Graphics	119441	38.5%
Engine (all subsystems)	86036	27.7%
Utils	42397	13.6%
Core	29413	9.4%
Physics	10814	3.4%
Audio	6090	1.9%
Input	3953	1.2%
SceneManager	2241	0.7%
Enums	1423	0.4%
Game	2794	0.9%
Camera	999	0.3%

Engine Subsystems (SparkEngine/Source/Engine/)

Subsystem	Lines
Networking	14543
AI	13490
ECS	8381
Gameplay	7755
Animation	6700
Scripting	5093
SaveSystem	2847
UI	2522
Streaming	2009
Editor	1737
Cinematic	1652
World	1588
Dialogue	1425
Modding	1377
Persistence	1267
2D	1015
Coroutine	800
Replay	731
Tween	579
Destruction	545
Localization	515
Events	473
Mobile	452
Loading	386
Physics	377
VR	329

ECS Architecture Metrics

Metric	Count
Component header files	17
Component struct definitions	75
ECS systems	25
Execution order	Physics → Animation → AI → Audio → Lifecycle → Render

Editor Metrics

Metric	Count
Editor panel classes	65
Total editor lines	109161

Testing Metrics

Metric	Count
Test files	575
TEST() definitions	6893
Subsystems covered	All major
Sanitizer coverage	ASan + UBSan + LSan + TSan + MSan

Build System Metrics

Metric	Count
CMake option() declarations	30
ENABLE_* feature toggles	22
Game modules	11
SDK public headers	15
Supported compilers	MSVC v143/v145, GCC 13+, Clang 17+, Apple Clang, MinGW-w64
Platforms	Windows, Linux, macOS (experimental)

Third-Party Dependencies

Git Submodules

Library	Path	Purpose
Dear ImGui	ThirdParty/UI/imgui	Immediate-mode GUI
EnTT	ThirdParty/ECS/entt	Entity Component System
Jolt Physics	ThirdParty/Physics/JoltPhysics	Physics engine
AngelScript	ThirdParty/Scripting/angelscript-mirror	Scripting VM
miniz	ThirdParty/Utils/miniz	Compression
Recast Navigation	ThirdParty/AI/recastnavigation	NavMesh pathfinding

Embedded Libraries

Library	Purpose
DirectXTK	DirectX 11 toolkit
Assimp	3D model import (FBX, glTF)
ImGuizmo	3D editor gizmos
imnodes	Node graph editor
GLM	Math library
RapidJSON	JSON parsing
spdlog	Structured logging
stb	Image loading
miniaudio	Cross-platform audio fallback

Largest Files

SparkEngine .cpp Files (by line count)

File	Lines
OpenGLDevice.cpp	2160
CrashHandler.cpp	2085
VulkanDevice.cpp	1991
ModuleManager.cpp	1777
EngineSettings.cpp	1623
PostProcessingPipeline.cpp	1602
NetworkConnection.cpp	1594
D3D12Device.cpp	1593
SaveSystem.cpp	1563
D3D11Device.cpp	1543

SparkEngine .h Files (by line count)

File	Lines
RenderGraph.h	1427
GraphicsEngine.h	1260
JsonUtils.h	1087
EngineSettings.h	1080
NetworkManager.h	898
ECSystems.h	846
PhysicsTypes.h	828
MeshClusterSystem.h	824
SVGRenderer.h	803
DataTableSystem.h	800

SparkEditor .cpp Files (by line count)

File	Lines
ProjectManager.cpp	2482
EditorUI.cpp	2247
JSONSceneSerializer.cpp	2010
VisualScriptPanel.cpp	1773
BuildPipeline.cpp	1659
CollaborativeEditSession.cpp	1613
PerformanceProfiler.cpp	1609
EditorTheme.cpp	1587
HierarchyPanel.cpp	1524
ProjectSettingsPanel.cpp	1501

Shader Inventory

Type	Count	Location
HLSL shaders	42	Shaders/HLSL/ (includes Compute, MeshShaders, RayTracing)
GLSL shaders	14	Shaders/GLSL/
Compiled bytecode (.cso)	varies	Shaders/Compiled/

---

See Also

• Architecture Overview — Engine design and structure
• Codebase Health — System maturity status and known gaps
• Testing — Test suite details and CI integration
• Build System and CMake Modules — Build configuration