Codebase Statistics

Codebase Statistics

Comprehensive metrics and analysis of the SparkEngine codebase. Updated 2026-08-24.

Code Volume

Total Lines of Code

Section	Lines
SparkEngine/Source	62181
SparkEditor/Source	103884
GameModules	43104
Tests	6194
SparkConsole/src	1571
SparkShaderCompiler/src	578
Total C++ (excl. ThirdParty)	~217512

File Counts

Category	Count
Header files (.h/.hpp)	966
Implementation files (.cpp)	1415
HLSL shader files	42
GLSL shader files	14
AngelScript files (.as)	1
Test files (.cpp)	554
Wiki pages (.md)	198

Code Density

Metric	Value
Average lines per .cpp file	~290
Average lines per .h file	~237
Largest codebase section	Graphics (118680 lines — 190% of SparkEngine/Source)

SparkEngine/Source Breakdown

By Subsystem (Top-Level)

Subsystem	Lines	% of Source
Graphics	118680	190.8%
Engine (all subsystems)	85069	136.8%
Utils	40653	65.3%
Core	26792	43.0%
Physics	10814	17.3%
Audio	6090	9.7%
Input	3953	6.3%
SceneManager	2241	3.6%
Enums	1423	2.2%
Game	1734	2.7%
Camera	999	1.6%

Engine Subsystems (SparkEngine/Source/Engine/)

Subsystem	Lines
Networking	13806
AI	13490
ECS	8381
Gameplay	7652
Animation	6700
Scripting	5093
SaveSystem	2746
UI	2522
Streaming	2009
Editor	1737
Cinematic	1634
World	1588
Dialogue	1417
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	64
Total editor lines	103884

Testing Metrics

Metric	Count
Test files	554
TEST() definitions	6436
Subsystems covered	All major
Sanitizer coverage	ASan + UBSan + LSan + TSan + MSan

Build System Metrics

Metric	Count
CMake option() declarations	26
ENABLE_* feature toggles	18
Game modules	11
SDK public headers	13
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
VulkanDevice.cpp	1991
PostProcessingPipeline.cpp	1602
D3D12Device.cpp	1593
D3D11Device.cpp	1543
EngineSettings.cpp	1522
SaveSystem.cpp	1508
ModuleManager.cpp	1503
AngelScriptEngine.cpp	1473
CrashHandler.cpp	1456

SparkEngine .h Files (by line count)

File	Lines
RenderGraph.h	1427
GraphicsEngine.h	1260
JsonUtils.h	1087
EngineSettings.h	1079
NetworkManager.h	856
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	2161
EditorUI.cpp	2136
JSONSceneSerializer.cpp	2010
VisualScriptPanel.cpp	1773
PerformanceProfiler.cpp	1609
EditorTheme.cpp	1587
HierarchyPanel.cpp	1524
ProjectSettingsPanel.cpp	1501
CollaborativeEditSession.cpp	1498
InspectorPanel.cpp	1437

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/

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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