LEGO Island, portable

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This initiative is a portable version of LEGO Island (Version 1.1, English) based on the decompilation project. Our primary goal is to transform the codebase to achieve platform independence, thereby enhancing compatibility across various systems while preserving the original game's experience as faithfully as possible.

Please note: this project is primarily dedicated to achieving platform independence without altering the core gameplay or rewriting code for improvement's sake. While those are worthwhile objectives, they are not within the scope of this project. isle-portable offers support for light modding using extensions.

Status

Platform	Status
Windows
Linux
macOS
Web
Nintendo 3DS
Xbox One
iOS
Android
Playstation Vita
Nintendo Switch

We are actively working to support more platforms. If you have experience with a particular platform, we encourage you to contribute to isle-portable. You can find a list of ongoing efforts in our Wiki.

Usage

An existing copy of LEGO Island is required to use this project.

As it stands, builds provided in the Releases tab are mainly for developers; as such, they may not work properly for all end-users. Work is currently ongoing to create workable release builds ready for gameplay and general use by end-users. If you are technically inclined, you may find it easiest to compile the project yourself to get it running at this current point in time.

Installation instructions for some ports can be found in our Wiki.

Library substitutions

To achieve our goal of platform independence, we need to replace any Windows-only libraries with platform-independent alternatives. This ensures that our codebase remains versatile and compatible across various systems. The following table serves as an overview of major libraries / subsystems and their chosen replacements. For any significant changes or additions, it's recommended to discuss them with the team on the Matrix chat first to ensure consistency and alignment with our project's objectives.

Library/subsystem	Substitution	Status
Window, Events	SDL3	✅	Remarks
Windows Registry (Configuration)	libiniparser	✅	Remarks
Filesystem	SDL3	✅	Remarks
Threads, Mutexes (Synchronization)	SDL3	✅	Remarks
Keyboard/Mouse, DirectInput (Input)	SDL3	✅	Remarks
Joystick/Gamepad, DirectInput (Input)	SDL3	✅	Remarks
WinMM, DirectSound (Audio)	SDL3, miniaudio	✅	Remarks
DirectDraw (2D video)	SDL3	✅	Remarks
Smacker	libsmacker	✅	Remarks
Direct3D (3D video)	SDL3 (Vulkan, Metal, D3D12), D3D9, OpenGL 1.1, OpenGL ES 2.0, OpenGL ES 3.0, Software	✅	Remarks
Direct3D Retained Mode	Custom re-implementation	✅	Remarks
SmartHeap	Default memory allocator	-	-

Building

This project uses the CMake build system, which allows for a high degree of versatility regarding compilers and development environments. Please refer to the GitHub action for guidance.

Contributing

If you're interested in helping or contributing to this project, check out the CONTRIBUTING page.