Codebase Statistics

Codebase Statistics

Comprehensive metrics and analysis of the SparkEngine codebase. Updated 2026-08-23.

Code Volume

Total Lines of Code

Section	Lines
SparkEngine/Source	292680
SparkEditor/Source	97889
GameModules	128722
Tests	145703
SparkConsole/src	1571
SparkShaderCompiler/src	578
Total C++ (excl. ThirdParty)	~667143

File Counts

Category	Count
Header files (.h/.hpp)	948
Implementation files (.cpp)	1389
HLSL shader files	42
GLSL shader files	14
AngelScript files (.as)	1
Test files (.cpp)	536
Wiki pages (.md)	198

Code Density

Metric	Value
Average lines per .cpp file	~688
Average lines per .h file	~567
Largest codebase section	Graphics (117091 lines — 40% of SparkEngine/Source)

SparkEngine/Source Breakdown

By Subsystem (Top-Level)

Subsystem	Lines	% of Source
Graphics	117091	40.0%
Engine (all subsystems)	84048	28.7%
Utils	39925	13.6%
Core	24867	8.4%
Physics	10808	3.6%
Audio	6090	2.0%
Input	3953	1.3%
SceneManager	2142	0.7%
Enums	1423	0.4%
Game	1266	0.4%
Camera	999	0.3%

Engine Subsystems (SparkEngine/Source/Engine/)

Subsystem	Lines
AI	13490
Networking	13143
ECS	8307
Gameplay	7652
Animation	6700
Scripting	5093
SaveSystem	2627
UI	2522
Streaming	2009
Editor	1712
World	1588
Cinematic	1542
Dialogue	1417
Modding	1377
Persistence	1235
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	97889

Testing Metrics

Metric	Count
Test files	536
TEST() definitions	6199
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	12
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
D3D12Device.cpp	1593
D3D11Device.cpp	1543
PostProcessingPipeline.cpp	1539
EngineSettings.cpp	1522
AngelScriptEngine.cpp	1473
CrashHandler.cpp	1456
SaveSystem.cpp	1389
GameplayLifecycleShared.cpp	1386

SparkEngine .h Files (by line count)

File	Lines
GraphicsEngine.h	1241
RenderGraph.h	1125
JsonUtils.h	1087
EngineSettings.h	1079
BasisTranscoder.h	912
ECSystems.h	846
PhysicsTypes.h	828
MeshClusterSystem.h	824
SVGRenderer.h	803
DataTableSystem.h	800

SparkEditor .cpp Files (by line count)

File	Lines
VisualScriptPanel.cpp	1773
EditorUI.cpp	1686
PerformanceProfiler.cpp	1609
EditorTheme.cpp	1587
HierarchyPanel.cpp	1533
ProjectSettingsPanel.cpp	1501
CollaborativeEditSession.cpp	1497
InspectorPanel.cpp	1401
LevelStreamingSystem.cpp	1272
MaterialEditor.cpp	1269

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