feat!: Bevy 0.17 #498

makspll · 2025-11-06T22:23:57Z

Tracking issues so far:

WithWorldAccess is not feasible anymore due to the inability to read component accesses into a system param at initialization
Handles don't have a weak wariant anymore, we wither go all AssetId or store strong handles, atm heading towards strong handles everywhere. This proves troublesome when receiveing modification events which don't have a handle, and you cannot get a strong handle with a path from an asset id (the path comes from the asset server load call, and not having it means script names don't show up in logs)
stack overflows with dynamic systems

semanticdiff-com · 2025-11-06T22:23:59Z

Review changes with

Changed Files

File	Status
crates/bindings/bevy_input_bms_bindings/src/lib.rs	99% smaller
crates/bindings/bevy_gizmos_bms_bindings/src/lib.rs	98% smaller
crates/bindings/bevy_animation_bms_bindings/src/lib.rs	97% smaller
crates/bindings/bevy_input_focus_bms_bindings/src/lib.rs	95% smaller
codegen/src/passes/codegen.rs	88% smaller
crates/bindings/bevy_a11y_bms_bindings/src/lib.rs	85% smaller
crates/bevy_mod_scripting_core/src/script/script_context.rs	84% smaller
crates/bindings/bevy_text_bms_bindings/src/lib.rs	83% smaller
crates/bindings/bevy_math_bms_bindings/src/lib.rs	81% smaller
crates/bindings/bevy_picking_bms_bindings/src/lib.rs	80% smaller
crates/testing_crates/test_utils/src/test_plugin.rs	78% smaller
crates/bindings/bevy_gltf_bms_bindings/src/lib.rs	77% smaller
crates/bindings/bevy_color_bms_bindings/src/lib.rs	75% smaller
crates/bevy_mod_scripting_core/src/pipeline/machines.rs	68% smaller
crates/bevy_mod_scripting_bindings/src/world.rs	67% smaller
crates/bevy_mod_scripting_core/src/script/mod.rs	63% smaller
crates/bevy_mod_scripting_bindings/src/reference.rs	57% smaller
codegen/src/passes/find_trait_impls.rs	55% smaller
crates/bindings/bevy_mesh_bms_bindings/src/lib.rs	54% smaller
crates/testing_crates/script_integration_test_harness/src/test_functions.rs	51% smaller
codegen/src/passes/populate_template_data.rs	49% smaller
crates/bevy_mod_scripting_bindings/src/function/script_function.rs	46% smaller
crates/bindings/bevy_scene_bms_bindings/src/lib.rs	45% smaller
crates/bindings/bevy_time_bms_bindings/src/lib.rs	44% smaller
crates/bevy_mod_scripting_core/src/pipeline/start.rs	43% smaller
crates/bevy_mod_scripting_core/src/event.rs	43% smaller
crates/bindings/bevy_sprite_bms_bindings/src/lib.rs	43% smaller
crates/bindings/bevy_pbr_bms_bindings/src/lib.rs	42% smaller
crates/bevy_system_reflection/src/lib.rs	31% smaller
codegen/crates/crate_feature_graph/src/graph.rs	31% smaller
crates/bindings/bevy_image_bms_bindings/src/lib.rs	28% smaller
xtask/src/lib.rs	28% smaller
crates/languages/bevy_mod_scripting_lua/src/lib.rs	25% smaller
crates/bevy_mod_scripting_core/src/handler.rs	25% smaller
codegen/src/passes/find_reflect_types.rs	25% smaller
crates/bevy_mod_scripting_bindings/src/schedule.rs	24% smaller
examples/game_of_life.rs	21% smaller
crates/bevy_mod_scripting_core/src/commands.rs	19% smaller
crates/testing_crates/script_integration_test_harness/src/scenario.rs	18% smaller
codegen/src/passes/find_methods_and_fields.rs	17% smaller
crates/testing_crates/script_integration_test_harness/src/parse.rs	16% smaller
crates/bevy_mod_scripting_core/src/pipeline/mod.rs	12% smaller
crates/testing_crates/script_integration_test_harness/src/lib.rs	11% smaller
codegen/src/callback.rs	11% smaller
crates/bindings/bevy_render_bms_bindings/src/lib.rs	11% smaller
codegen/src/args.rs	10% smaller
crates/bindings/bevy_ecs_bms_bindings/src/lib.rs	10% smaller
codegen/src/context.rs	9% smaller
crates/bevy_mod_scripting_core/src/script_system.rs	7% smaller
codegen/src/import_path.rs	7% smaller
codegen/build.rs	6% smaller
codegen/src/bin/main.rs	6% smaller
xtask/src/main.rs	4% smaller
crates/bindings/bevy_core_pipeline_bms_bindings/src/lib.rs	3% smaller
crates/testing_crates/test_utils/src/test_data.rs	1% smaller
crates/bevy_mod_scripting_core/src/script/context_key.rs	1% smaller
crates/bindings/bevy_asset_bms_bindings/src/lib.rs	1% smaller
.github/workflows/synchronize_bindings.yml	0% smaller
.github/workflows/synchronize_bindings_check_diff.yml	0% smaller
Cargo.toml	Unsupported file format
assets/scripts/game_of_life.lua	0% smaller
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assets/tests/add_system/added_systems_run_in_parallel.lua	0% smaller
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codegen/src/passes/crawl_paths.rs	0% smaller
codegen/src/passes/mod.rs	0% smaller
codegen/src/passes/write_meta.rs	0% smaller
codegen/src/plugin.rs	0% smaller
codegen/templates/footer.tera	Unsupported file format
crates/bevy_mod_scripting_bindings/Cargo.toml	Unsupported file format
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crates/bindings/bevy_reflect_bms_bindings/Cargo.toml	Unsupported file format
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…uild time to avoid toolchain issues

github-actions · 2025-11-11T00:26:48Z

Bencher Report

Branch	feat/bevy-0.17
Testbed	linux-gha

🚨 7 Alerts

Benchmark	Measure Units	View	Benchmark Result (Result Δ%)	Upper Boundary (Limit %)
component/access Lua	Latency microseconds (µs)	📈 plot 🚷 threshold 🚨 alert (🔔)	5.69 µs (+24.05%) Baseline: 4.59 µs	5.69 µs (100.10%)
component/access Rhai	Latency microseconds (µs)	📈 plot 🚷 threshold 🚨 alert (🔔)	9.61 µs (+48.41%) Baseline: 6.48 µs	9.45 µs (101.75%)
component/get Rhai	Latency microseconds (µs)	📈 plot 🚷 threshold 🚨 alert (🔔)	8.05 µs (+61.77%) Baseline: 4.98 µs	7.90 µs (101.95%)
math/vec mat ops Rhai	Latency microseconds (µs)	📈 plot 🚷 threshold 🚨 alert (🔔)	9.47 µs (+23.51%) Baseline: 7.66 µs	9.46 µs (100.09%)
query/10 entities Rhai	Latency microseconds (µs)	📈 plot 🚷 threshold 🚨 alert (🔔)	29.44 µs (+28.25%) Baseline: 22.95 µs	29.17 µs (100.94%)
resource/access Rhai	Latency microseconds (µs)	📈 plot 🚷 threshold 🚨 alert (🔔)	9.15 µs (+54.20%) Baseline: 5.93 µs	8.98 µs (101.86%)
resource/get Rhai	Latency microseconds (µs)	📈 plot 🚷 threshold 🚨 alert (🔔)	7.54 µs (+67.91%) Baseline: 4.49 µs	7.38 µs (102.14%)

Click to view all benchmark results

Benchmark	Latency	Benchmark Result nanoseconds (ns) (Result Δ%)	Upper Boundary nanoseconds (ns) (Limit %)
component/access Lua	📈 view plot 🚷 view threshold 🚨 view alert (🔔)	5,690.90 ns (+24.05%) Baseline: 4,587.42 ns	5,685.23 ns (100.10%)
component/access Rhai	📈 view plot 🚷 view threshold 🚨 view alert (🔔)	9,613.90 ns (+48.41%) Baseline: 6,477.82 ns	9,448.69 ns (101.75%)
component/get Lua	📈 view plot 🚷 view threshold	3,109.90 ns (+5.97%) Baseline: 2,934.76 ns	3,226.75 ns (96.38%)
component/get Rhai	📈 view plot 🚷 view threshold 🚨 view alert (🔔)	8,048.90 ns (+61.77%) Baseline: 4,975.55 ns	7,895.22 ns (101.95%)
conversions/Mut::from	📈 view plot 🚷 view threshold	87.87 ns (-15.57%) Baseline: 104.07 ns	120.53 ns (72.90%)
conversions/Ref::from	📈 view plot 🚷 view threshold	84.08 ns (-16.06%) Baseline: 100.16 ns	116.17 ns (72.37%)
conversions/ScriptValue::List	📈 view plot 🚷 view threshold	375.15 ns (-4.02%) Baseline: 390.84 ns	448.01 ns (83.74%)
conversions/ScriptValue::Map	📈 view plot 🚷 view threshold	1,040.60 ns (-12.64%) Baseline: 1,191.14 ns	1,378.42 ns (75.49%)
conversions/ScriptValue::Reference::from_into	📈 view plot 🚷 view threshold	25.15 ns (-12.58%) Baseline: 28.77 ns	32.92 ns (76.38%)
conversions/Val::from_into	📈 view plot 🚷 view threshold	241.54 ns (-22.73%) Baseline: 312.61 ns	412.64 ns (58.53%)
function/call 4 args Lua	📈 view plot 🚷 view threshold	1,905.50 ns (-11.40%) Baseline: 2,150.63 ns	2,438.20 ns (78.15%)
function/call 4 args Rhai	📈 view plot 🚷 view threshold	1,447.60 ns (-7.45%) Baseline: 1,564.17 ns	1,749.90 ns (82.72%)
function/call Lua	📈 view plot 🚷 view threshold	401.04 ns (-5.07%) Baseline: 422.44 ns	549.00 ns (73.05%)
function/call Rhai	📈 view plot 🚷 view threshold	493.64 ns (+1.13%) Baseline: 488.13 ns	554.84 ns (88.97%)
loading/empty Lua	📈 view plot 🚷 view threshold	940,620.00 ns (-8.29%) Baseline: 1,025,601.00 ns	1,389,517.23 ns (67.69%)
loading/empty Rhai	📈 view plot 🚷 view threshold	1,095,000.00 ns (-13.97%) Baseline: 1,272,824.00 ns	1,861,119.20 ns (58.84%)
math/vec mat ops Lua	📈 view plot 🚷 view threshold	9,558.30 ns (+11.39%) Baseline: 8,581.11 ns	9,830.77 ns (97.23%)
math/vec mat ops Rhai	📈 view plot 🚷 view threshold 🚨 view alert (🔔)	9,467.00 ns (+23.51%) Baseline: 7,664.92 ns	9,458.47 ns (100.09%)
query/10 entities Lua	📈 view plot 🚷 view threshold	20,743.00 ns (-14.77%) Baseline: 24,336.80 ns	28,113.72 ns (73.78%)
query/10 entities Rhai	📈 view plot 🚷 view threshold 🚨 view alert (🔔)	29,440.00 ns (+28.25%) Baseline: 22,954.60 ns	29,166.93 ns (100.94%)
query/100 entities Lua	📈 view plot 🚷 view threshold	42,299.00 ns (-10.23%) Baseline: 47,116.90 ns	52,460.67 ns (80.63%)
query/100 entities Rhai	📈 view plot 🚷 view threshold	41,883.00 ns (+12.22%) Baseline: 37,322.40 ns	42,780.00 ns (97.90%)
query/1000 entities Lua	📈 view plot 🚷 view threshold	257,290.00 ns (-16.25%) Baseline: 307,228.00 ns	378,468.01 ns (67.98%)
query/1000 entities Rhai	📈 view plot 🚷 view threshold	173,580.00 ns (-8.47%) Baseline: 189,650.00 ns	225,057.89 ns (77.13%)
reflection/10 Lua	📈 view plot 🚷 view threshold	5,499.30 ns (-11.23%) Baseline: 6,195.18 ns	6,900.64 ns (79.69%)
reflection/10 Rhai	📈 view plot 🚷 view threshold	15,360.00 ns (-4.01%) Baseline: 16,001.10 ns	16,821.72 ns (91.31%)
reflection/100 Lua	📈 view plot 🚷 view threshold	46,583.00 ns (-11.53%) Baseline: 52,654.50 ns	59,352.42 ns (78.49%)
reflection/100 Rhai	📈 view plot 🚷 view threshold	625,430.00 ns (-20.80%) Baseline: 789,711.00 ns	967,456.24 ns (64.65%)
resource/access Lua	📈 view plot 🚷 view threshold	3,557.90 ns (-11.34%) Baseline: 4,013.09 ns	4,514.32 ns (78.81%)
resource/access Rhai	📈 view plot 🚷 view threshold 🚨 view alert (🔔)	9,147.50 ns (+54.20%) Baseline: 5,932.42 ns	8,980.84 ns (101.86%)
resource/get Lua	📈 view plot 🚷 view threshold	2,575.50 ns (+1.30%) Baseline: 2,542.50 ns	2,829.50 ns (91.02%)
resource/get Rhai	📈 view plot 🚷 view threshold 🚨 view alert (🔔)	7,542.40 ns (+67.91%) Baseline: 4,491.93 ns	7,384.70 ns (102.14%)

🐰 View full continuous benchmarking report in Bencher

makspll · 2025-11-12T00:24:06Z

Aaaand we're back

shanecelis · 2025-11-17T08:13:52Z

Quite a feat!

Handles don't have a weak variant anymore, we wither go all AssetId or store strong handles, atm heading towards strong handles everywhere. This proves troublesome when receiving modification events which don't have a handle, and you cannot get a strong handle with a path from an asset id (the path comes from the asset server load call, and not having it means script names don't show up in logs)

That'll work. It keeps the script asset resident even though in many cases it could be unloaded since what we often care about is the context, but that's probably not a lot of memory being eaten.

Idle Consideration: `ContextHandle`?

A ways back when I was in this code, it felt almost like there was a context handle or something that wanted to get out and be expressed. Something where given a Handle<ScriptAsset> you'd load it and receive a ContextHandle or ScriptLoadedHandle. It doesn't quite fit in Bevy's asset framework, I don't think. But it feels like this something you'd want to capture yourself with HashMap<AssetId, (AssetPath<'static>, ContextId)>.

Anyway, just my idle consideration. Don't let me sidetrack you from finishing Bevy 0.17 support.

makspll · 2025-11-25T07:56:40Z

~~Those using this PR as a pin should also pin to commit d9501a0 for now, as I'll be shelving my work here.~~

Currently left to do:

Overhauling codegen so that methods like Entity::from_raw_u32 get picked up, currently codegen doesn't support Option<T>. I am at a point where I have the "glue" code, but need to fix how we bootstrap the crate

makspll · 2025-12-17T23:05:58Z

I've split out my holiday stash into a follow up: #503, this PR should work as normal, but some of the bindings might not be optimal yet (like from_raw no longer exists without an optional wrapper, so codegen needs to improve to keep up with bevy) But the codegen improvements I am planning will drastically increase coverage to match existing trait implementations

WIP

e8da279

makspll added 12 commits November 7, 2025 20:45

more conversions

4f74fd4

change handles to AssetID's where we don't want to keep scripts alive

7224f2f

Merge branch 'main' into feat/bevy-0.17

be8f5f6

bump bevy resolution in codegen

542003f

bump toolchain and fix compilation errors in codegen

8d81050

fix recursion issues with crawling paths, embed linker arguments at b…

6939702

…uild time to avoid toolchain issues

fix missing external feature activations, and regen code

aa42f94

make sure not to include unstable items from newer nightlies

791daa9

fix bug

a88a708

get it right

6fd0664

fix all errors, bump bevy console, improve some path crawling stuff

357c2fe

fix some test setup, add debug to dev crate features

aaa9d9a

makspll added 3 commits November 11, 2025 21:19

fix stack overflow

0b522d4

fix rest of tests and add missing features

ac99996

add wayland to init

0e0037c

makspll added 5 commits November 12, 2025 00:24

fix game of life, and some other bugs

1fb4847

fix change detection

a08db66

some improvements

22cda73

make sure deps in meta are sorted

1410f81

finally make Cargo.toml generation stable

d9501a0

improvements to codegen + xtask

42d87a0

makspll force-pushed the feat/bevy-0.17 branch from 2c1058c to 42d87a0 Compare December 17, 2025 22:26

makspll added 2 commits December 17, 2025 22:35

import path fixes only

4a030e8

reign in unported fix

6dec15c

run codegen

c18ae77

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Bencher Report

🚨 7 Alerts

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Idle Consideration: ContextHandle?

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Idle Consideration: `ContextHandle`?

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