Project proposals

Project proposals

This is the list of project ideas for new developers willing to work on the Spring engine.

Limited play area

Estimated difficulty: medium

Spring uses a finite-world model, where the scene has distinct bounds that all actors must obey. Current Spring map formats have a hardcoded rectangle boundary geometry; they also provide very limited support for defining aesthetics of the surrounding environment outside the play area.

The new system should allow the map's developer to restrict the playable area to a subset of the global area, possibly adding support for multiple shapes and/or non rectangular shape restrictions.

The restriction shapes should be readable and changeable mid-game through the engine's Lua API. Proper handling of units which are suddenly off-map needs to be implemented.

Details: GSoC_Limited_play_area

Sensor handling redesign / simplification

Estimated difficulty: high

Currently there are a number of different "sensor" systems in the engine: LineOfSight, Radar, Sonar, and Seismic. Some sensors can be jammed, some cannot. Some respect terrain, and some are always circular in coverage.

A new sensor system should integrate the current LOS, Radar, Sonar, Seismic systems into a streamlined codebase, to reduce amount of code in each implementation, and it should add additional features which would then be available for all types, while improving efficiency where possible.

Preferably all this should also be faster than the current system or a compelling argument/experiment should be made that shows there cannot be a faster system with the same features.

Details: GSoC_Sensor_handling_redesign

Engine level abstraction of resources

Estimated difficulty: medium to high

The Spring engine has its roots in an older Real-Time Strategy title, where only two resources were incorporated into the game design. The current resource system is largely present in the codebase being hardcoded in a lot of critical places.

The old system needs to be replaced, the new one should be flexible enough to reproduce everything that the old system did and be able to imitate the behaviour of most common RTS game titles.

The engine's Lua API to fetch resources will have to be adapted to the new system, and new calls will have to be added to it.

Details: GSoC_Engine_resource_abstraction

Basic ingame lobby

Estimated difficulty: high

All existing Spring interfaces (lobbies) are either difficult to customize for game developers or have a different look and feel from the game itself and require focus switch from the game itself to operate.

A new lobby should be implemented with customization and control in mind, using Lua scripting and reusing Spring codebase where possible. It should be running as a separate process overlaying the game's UI.

Optionally, the engine's start screen should be replaced and integrated with it.

Details: GSoC_Ingame_lobby

Smarter pathfinder

Estimated difficulty: high

Spring's pathfinder uses a 2d grid and is somewhat limited in functionality. A partial/full rewrite should be introduced to add support for navigating using more than 8 primary directions and selectively ignore certain unit types for performance reasons.

Spring's Lua API should be extended to allow game developers to push new nodes/links and be able to alter or delete existing ones (for pathfinder-aware tunnels/teleporting/etc.).

Preferably this should all be faster than the current system, or a compelling argument/experiment should be made that shows there cannot be a faster system with the same features.

Details: GSoC_Smarter_pathfinder

New Rendering System

Estimated difficulty: medium

The Spring rendering engine uses a lot of FFP (fixed function pipeline) OpenGL functions. This model is becoming deprecated and is generally slower and less flexible than more modern approaches.

Under this proposal, the rendering code should get a complete overhaul using modern graphic programming techniques such as shaders, implement load support for more standardised model formats (backwards compatibility with current available formats is mandatory either through direct load or automatic conversion to the new types) and eventually introduce some graphic enhancing features (bump mapping, normal mapping, multitexturing, etc.).

Details: GSoC_New_rendering_system

Reconnect / Host change during a match

Estimated difficulty: medium to high

Spring's network model implies the existence of a server to host a battle. For various reasons the network link between host and clients can be interrupted. A system should be designed to allow manual and/or automatic switching of the game's host (possibly using an existing player after testing load handling capabilities) and manual and/or automatic reconnection from client side if host remains the same.

Details: GSoC_Reconnect_Host_change

In source Lua-API documentation

Estimated difficulty: low to medium

write a tool, that creates html from in-source comments to document the lua api. For Example:

/*-
Prints a message
@param msg
*/
static int Echo(lua_State* L);

this should create the function in the lua-api-docs

Spring.Echo

(this is just a suggestion)

see also meeting minutes (possible solution for in-source lua documentation)

Port spring to ARM/Android

Estimated difficulty: high

Spring currently seems to not work on the ARM architecture as streflop currently doesn't support ARM. Also there will be possible compile/linker/sync errors that have to be fixed first to make it run flawesly.

For a possible start see the Spring on ARM page.