Jecs v0.1.0

Jecs v0.1.0 is now available!

Jecs v0.1.0-rc.6

Basically just added a wildcard term which lets you query any partially matched pairs

world:set(bob, pair(Eats, Apples), 10)
world:set(alice, pair(Eats, Oranges), 4)

for e, amount in world:query(pair(Eats, Wildcard)) do 
    print(`{getName(e)} eats {amount} fruits`)
end

--[[
  bob eats 10 fruits
  alice eats 4 fruits
]]

Install with Wally: ukendio/[email protected]

Full Changelog: v0.1.0-rc.5...v0.1.0-rc.6

Jecs v0.1.0-rc.5

I am finally bumping it to v0.1.0 because basic relationships are officially supported.

Install on Wally: ukendio/[email protected]

What's Changed

• Update README.md example and remove trailing whitespace by @outofbearspace in #14
• Fix component overriding when in disorder by @Ukendio in #15
• Update newMatter.lua to match world-rewrite branch by @memorycode in #16
• Update newMatter.lua by @memorycode in #19
• Fix style and add some micro optimizations by @howmanysmall in #27
• Move benchmarks by @Ukendio in #28
• Add iter method by @Ukendio in #20
• Add svg images by @alicesaidhi in #18
• Move root archetype by @Ukendio in #33
• Adds symmetic and idempotent function add by @Ukendio in #26
• Add world.delete by @Ukendio in #22
• Add case for when component is not found in archetype by @Ukendio in #25
• Remove observer for now by @Ukendio in #34
• Relationships by @Ukendio in #31

New Contributors

• @howmanysmall made their first contribution in #27
• @alicesaidhi made their first contribution in #18

Full Changelog: v0.0.0-prototype.rc.3...v0.1.0-rc.5

Jecs v0.0.0-prototype.rc.3

Changed

• Added observers #1

• Support for a more expressive iterator that takes :without() in chaining invariants. #3

• Separates ranges for components and entity IDs.

  • IDs created with world:component() will promote array lookups rather than map lookups in the componentIndex which is a significant boost. #10

Fixed

• No longer caches the column pointers directly and instead the column indices which stay persistent even when data is reallocated during swap-removals. #13

  • This was an issue with the iterator being invalidated when you move an entity to a different archetype.

• Fixed a bug where changing an existing component would be slow because it was always appending changing the row of the entity record.

  • The fix dramatically improves times where it is basically down to just the speed of setting a field in a table. #9

Jecs v0.0.0-prototype.rc.2

Overall iterator performance improvements. Query now finds the smallest archetype map to iterate over. Also populates iterator with columns for faster indexing.

Also renamed the insertion method from world:add to world:set to better reflect what it does. This is especially considering to the fact that there will be another method called world:add that does something different.

To install: add ukendio/[email protected] in your wally.toml.

Full Changelog: v0.0.0-prototype.rc.1...v0.0.0-prototype.rc.2

Jecs v0.0.0-prototype.rc.1

README