Match living fall damage decisions and impulse context transitions
This commit is contained in:
Ludovic Marie
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|
||||
"crates/horizon-world/src/worldgen/biome_source.rs": "e181e1736f3e0b75f7091a24c88de3fd116e01b98424d02382aea7a503d1eb54",
|
||||
"crates/horizon-world/src/worldgen/biome_temperature.rs": "cde4bbab5e260c4065b113376c423b8511ade93c5aa5fd976e245ee8a58b5ad1",
|
||||
"crates/horizon-world/src/worldgen/biome_weather.rs": "96b1f9494559ed31d06257b83d604d00cc069ccc8c7b68094117e034b4a71bd7",
|
||||
"crates/horizon-world/src/worldgen/block_blob.rs": "c608c57b3d77279646ecb89e50677dd8e452b0422ffd357ba755536c5589eb89",
|
||||
"crates/horizon-world/src/worldgen/block_column.rs": "f72c21a9066ee0aa68c2fb79fba436d05afb14c6ef5a2cb012f1ed35fc17cd22",
|
||||
"crates/horizon-world/src/worldgen/block_feature.rs": "36b4e46ee7f7f73bcb94d8bce8d99013e4b16234c9a03542eeb3186e88dd1c21",
|
||||
"crates/horizon-world/src/worldgen/block_pile.rs": "623e369b77e0526ed2756485a6c0bb09683cd28ad8876dea907360ca6665b39d",
|
||||
"crates/horizon-world/src/worldgen/block_predicate.rs": "074c692367e3f2191a1bb28d87b23402430a843c246bd30a4ea838ee3500280e",
|
||||
"crates/horizon-world/src/worldgen/blue_ice.rs": "eedd77bdaff808330b864166d303378096daa5c7d235e925770b171c05109247",
|
||||
"crates/horizon-world/src/worldgen/bonus_chest.rs": "05d0f63fbc7412f13ba1fa37a7238114b8f70bfff318beb2dece590482d49cc0",
|
||||
"crates/horizon-world/src/worldgen/bulk_section.rs": "eecf61532d7793f853884c5a18a7f436a59835c7b13d3ec9075804511553c9ba",
|
||||
"crates/horizon-world/src/worldgen/carver/canyon.rs": "509c4d5a9d689849e98e894ab14a9fbf82d10707d38e9cc688ded3c4778df3e2",
|
||||
"crates/horizon-world/src/worldgen/carver/generation.rs": "a4498d0d1457536de3922a08e9c40ccce8d2ef9cc263801c15a412327513c098",
|
||||
"crates/horizon-world/src/worldgen/carver.rs": "46b251e28225fe1250de38f49dec5dacda4e2c4ba1e556e21e6d1e14e2651fc3",
|
||||
"crates/horizon-world/src/worldgen/carving.rs": "4e77d4e5c4a0ca55ca3563b9bdf6f379342e0bdf9d019d60f7bc57ce4afb5fbd",
|
||||
"crates/horizon-world/src/worldgen/chorus_plant.rs": "29224c164ede919e280a65a68f155c873e2c8fd0aa7d7e244d8fa9e468760250",
|
||||
"crates/horizon-world/src/worldgen/climate/codec.rs": "d567adeb5d837816fca69102db51d790f71aec1b51c09298230d24612e400a14",
|
||||
"crates/horizon-world/src/worldgen/climate/index.rs": "c5ce61679a5f0e0f2f0af2a373424effa124d0cce8250609eff38b7034650756",
|
||||
"crates/horizon-world/src/worldgen/climate.rs": "1b9ad44407f40aee4c1cd5357a5c9c443c1b105728f01cf5c644072f99f8357e",
|
||||
"crates/horizon-world/src/worldgen/decoration.rs": "75a79b20b21e133816e729f16e758be6165d0db18a64bfbd5fd3618325a2adf3",
|
||||
"crates/horizon-world/src/worldgen/delta.rs": "c2bf49ddf3231d28c109e68871429bc13d76a7bebe14eb33e84aa856bdd66145",
|
||||
"crates/horizon-world/src/worldgen/density.rs": "65a98c156a290a6b374ef670d28cd5dfbe0aa93171824d1bbd96422536273f84",
|
||||
"crates/horizon-world/src/worldgen/disk.rs": "6f8f9e059755af44c9bfa1b91eba54a7d13fad811dce31717c5502d7f6df33d7",
|
||||
"crates/horizon-world/src/worldgen/end_gateway.rs": "f53fde77d6a36a525cd15d890003b2c129d0689a4cbfa2cf443a0c2e3acae040",
|
||||
"crates/horizon-world/src/worldgen/end_podium.rs": "8f6d0d6d60ff0fde63de5781e867239db321f82cf12639f0537d410a3731ee1d",
|
||||
"crates/horizon-world/src/worldgen/feature.rs": "40500af71ee6628dfb27518262d99f08d0383ae6c7b9397452feef0c213eadd9",
|
||||
"crates/horizon-world/src/worldgen/feature_catalog.rs": "efc7b17b227e71622ef34108be9abd010f5675b68ea0409fcab82581d9aab88a",
|
||||
"crates/horizon-world/src/worldgen/feature_graph.rs": "da132fca9fdafb0d89a917d5f4b68c60b70fb33cadf948a107da0e35d83dcd91",
|
||||
"crates/horizon-world/src/worldgen/feature_region.rs": "df0ff142a461cafa9a3b42b949ad3376887f2be8d4ea5cc794a3ed2e977bb499",
|
||||
"crates/horizon-world/src/worldgen/feature_sort.rs": "3488a093dfe1321aaa29d8a30cfb115d8e666a81bf195514e87b170de626835c",
|
||||
"crates/horizon-world/src/worldgen/fluid_predicate.rs": "64197c9e63bebf1ce04bc280bfe980bb6c1b9aa887ca5cded904aeb0d9ae6c46",
|
||||
"crates/horizon-world/src/worldgen/height_provider.rs": "368d4dc119854742a045c4a717679c921456da681fc5f71aa9b37102d6f33b47",
|
||||
"crates/horizon-world/src/worldgen/material_condition/codec.rs": "09b909bc384472f76d163c8069ec6b507c7d5c6a028a36d5e0e3df20deff7b3b",
|
||||
"crates/horizon-world/src/worldgen/material_condition/density.rs": "df9d0761e978e5010663ae8b44f2d6c1ecb4907331e333bdb6a2b487c1e107de",
|
||||
"crates/horizon-world/src/worldgen/material_condition/library.rs": "a55534c5da97575a819af5a7dc0dbec9069993fa8b2619c6c9d5576946e683fa",
|
||||
"crates/horizon-world/src/worldgen/material_condition/noise.rs": "ffb59cc6be2275d7a5621bf7d768527e74a8326ed7ad78618746711540921675",
|
||||
"crates/horizon-world/src/worldgen/material_condition/rule.rs": "fed643352efbcb1f68f29b6241896617db889fc7c577a6247564e01922fec1fe",
|
||||
"crates/horizon-world/src/worldgen/material_condition.rs": "d638dcb8cbcb5da20b3cb29602b0ae6a86c4fdf9d8c0fb725de8ec5fc108717e",
|
||||
"crates/horizon-world/src/worldgen/material_extensions.rs": "ab806eb679d5116e1aebb64fca70e1499ae71f83c9507a8cb4c3201c2b1bf037",
|
||||
"crates/horizon-world/src/worldgen/material_stage.rs": "698cbc786eff13c246e2bc2ea062401918cd4265899fbc3d53abc87e45a8e7a1",
|
||||
"crates/horizon-world/src/worldgen/material_surface.rs": "5d37b90099df3d6da0845dab164e71469fb287019c2ee74bc6714f3b9d6d6d5b",
|
||||
"crates/horizon-world/src/worldgen/ore_feature.rs": "83b89fd3be691c5412c0215b6abefdcaa44119a05aa41217e061970eb7e12ebd",
|
||||
"crates/horizon-world/src/worldgen/placement/chain.rs": "9218399b4d3757f7bbc550d7729a7201f32a1c83a7030865e0c12aab8a80d116",
|
||||
"crates/horizon-world/src/worldgen/placement/context.rs": "a278304795136677ad4b4933ea50c972b9729a1c671c03fa309c193e224b1fd6",
|
||||
"crates/horizon-world/src/worldgen/placement/layer.rs": "a0f5ca776f33f9d4f72b8fdcd163426152e5e43cb4a7572fc1d4fc57bf965de1",
|
||||
"crates/horizon-world/src/worldgen/placement.rs": "b0397e5818fae84358546193a95f84bcb0b5bffafce909e6fcb3386179ee8023",
|
||||
"crates/horizon-world/src/worldgen/replace_blobs.rs": "bf3377d86d2570cd15288ba69dde64a2cf67c5bcbb9a31d0c23421964af74afa",
|
||||
"crates/horizon-world/src/worldgen/router.rs": "2cee7cf15a0d2ada12be6b39d83e78177fd3033922e4f4cce87a64073cec2847",
|
||||
"crates/horizon-world/src/worldgen/rule_test.rs": "d1662ec492489ebaa4b87e20f9a8c809dcf3a223a151211bd65ec241a63692fc",
|
||||
"crates/horizon-world/src/worldgen/settings.rs": "a8fe87752e1982ef11cb67f8d80d8e3428b2c27db178044cb425ba803e689e59",
|
||||
"crates/horizon-world/src/worldgen/simple_block.rs": "9ba1a88d5db4925f8c37366557887f776c805f9a6444781615b5dbaff52e92a4",
|
||||
"crates/horizon-world/src/worldgen/snow_freeze.rs": "9040be3d5c7f8f0fd812d2df45e154bf8a9eeef038530b83fa4159d246eac35f",
|
||||
"crates/horizon-world/src/worldgen/speleothem.rs": "c71651c1c97818a8a85863e14414d6139ea3bdeb897fa422043bcc1499d99aae",
|
||||
"crates/horizon-world/src/worldgen/spike.rs": "eacf0d9d3d2bc3d4bcf62bc87555f90031138236a5bfef0eb5270204f7c2a4fc",
|
||||
"crates/horizon-world/src/worldgen/spring.rs": "830849e9b89fcdf09e9b06fbefdcdebe3c8c3f82804f60b8bd5de04ba303cb62",
|
||||
"crates/horizon-world/src/worldgen/state_provider/catalog.rs": "c8687e15a4887a9200c8d365857d801efaa8f90e669eee3e600a1db4905119eb",
|
||||
"crates/horizon-world/src/worldgen/state_provider/noise.rs": "7ee369c2a032e5620cb9bdf9ee7adad1f70870fb0a27efb7b7c514d92f83491f",
|
||||
"crates/horizon-world/src/worldgen/state_provider/properties.rs": "9909139aaca1dc4f743957257fadaa9d423d21fa401fa9abc050505f79365139",
|
||||
"crates/horizon-world/src/worldgen/state_provider.rs": "be29ada818826a90afe01ab60916360fdfc4cbde5af15c9359cd56b1f1f7b156",
|
||||
"crates/horizon-world/src/worldgen/tags.rs": "d35ded93fe6e95ea045cadcf4925e656dc34ef832b742179b9ad0cc49f902f31",
|
||||
"crates/horizon-world/src/worldgen/terrain.rs": "fd1f2e0afc15daf66f484ea40a1f2b7013650bda0941b23c64c81ee9f79cb673",
|
||||
"crates/horizon-world/src/worldgen/underwater_magma.rs": "7317e40af5ee5a9780f90ce358fa5d3e7f5b3d513b731df6ff97754d9c2a0154",
|
||||
"crates/horizon-world/src/worldgen/value_provider.rs": "3358b563db8cb0bc8a9cfbbe2b8b3e70941cd2d37a0b519fbb6545f8d0dcbb69",
|
||||
"crates/horizon-world/src/worldgen/vines.rs": "ee9b79b65012bd86a838241d2ef708680f7fe8eafc8aa656dae9cf2abf3c6418",
|
||||
"crates/horizon-world/src/worldgen/weighted.rs": "839840aae25302933bbd97a81a2336330e2d03a0ad1684e1e16ac769ed408e6b",
|
||||
"crates/horizon-world/src/worldgen/write_zone.rs": "8e17a179764d3f68c05882aef35f6810c28a0000f9a83e58bd6030660b76e64e",
|
||||
"crates/horizon-world/src/worldgen.rs": "e8e9f099ee1fcec8eedce31805d676d3f89c18e84f494a147ffcbfee23d3d54f",
|
||||
"crates/horizon-world/examples/living_fall_fixture.rs": "1e11e704754fbebea9513f17aa3d781fa4498d89fd186240495d16c08c7fbf9d"
|
||||
},
|
||||
"fixtures_sha256": {
|
||||
".local/rust-living-fall-parity/inputs.txt": "f8502f8d94827af3aa569327bc15fb1c461d29b2a421d6033ceb37600c1d31c0"
|
||||
},
|
||||
"rust_output_sha256": "4404a6eb6e61bb51c0b96b092739defc07925149451bf0aa8e054deae1b402b9",
|
||||
"references": [
|
||||
{
|
||||
"side": "client",
|
||||
"jar_sha256": "4508d006323f24fa02876310c192d739af56516eb259000ac50f0909a68c9a2d",
|
||||
"output_sha256": "4404a6eb6e61bb51c0b96b092739defc07925149451bf0aa8e054deae1b402b9",
|
||||
"matched_output_lines": 153025
|
||||
},
|
||||
{
|
||||
"side": "server",
|
||||
"jar_sha256": "a362163eec5d1612d520772bc16e5b39c09e3b234fdc045f56bf544284ee8ae6",
|
||||
"output_sha256": "4404a6eb6e61bb51c0b96b092739defc07925149451bf0aa8e054deae1b402b9",
|
||||
"matched_output_lines": 153025
|
||||
}
|
||||
],
|
||||
"scope": "Actual LivingEntity.calculateFallDamage, causeFallDamage and impulse-context setter/reset/grace methods. Controlled immunity/attribute getters, passenger callback, sounds and server hurt callback expose native query order and failure state. Includes changing immunity, passenger mutations, impulse-height limiting, zero/negative/large grace values, float multiplier widening, floor/saturation, signed zero/nonfinite values and setter sequences. Hurt return values do not change the causeFallDamage result. A null level snapshot exercises the native non-server hurt no-op; actual client entity lifecycle, passenger storage/recursion, health/damage processing, attribute provisioning and tick/save/network integration remain pending."
|
||||
}
|
||||
@@ -0,0 +1,197 @@
|
||||
use horizon_core::geometry::Vec3;
|
||||
use horizon_world::living_fall::{
|
||||
ImpulseContext, LivingFallWorld, calculate_fall_damage, cause_living_fall_damage,
|
||||
};
|
||||
use serde_json::Value;
|
||||
use std::{
|
||||
fs,
|
||||
io::{self, Write},
|
||||
path::Path,
|
||||
};
|
||||
fn number(v: &Value) -> f64 {
|
||||
f64::from_bits(u64::from_str_radix(v.as_str().unwrap(), 16).unwrap())
|
||||
}
|
||||
fn single(v: &Value) -> f32 {
|
||||
f32::from_bits(u32::from_str_radix(v.as_str().unwrap(), 16).unwrap())
|
||||
}
|
||||
fn bits(v: f64) -> u64 {
|
||||
if v.is_nan() {
|
||||
0x7ff8000000000000
|
||||
} else {
|
||||
v.to_bits()
|
||||
}
|
||||
}
|
||||
fn vector(v: &Value) -> Option<Vec3> {
|
||||
if v.is_null() {
|
||||
None
|
||||
} else {
|
||||
Some(Vec3::new(number(&v[0]), number(&v[1]), number(&v[2])))
|
||||
}
|
||||
}
|
||||
struct World<'a> {
|
||||
f: &'a Value,
|
||||
out: &'a mut dyn Write,
|
||||
calls: i64,
|
||||
immune_calls: usize,
|
||||
hurt: usize,
|
||||
impulse: ImpulseContext,
|
||||
}
|
||||
impl World<'_> {
|
||||
fn query(&mut self, s: String) -> io::Result<()> {
|
||||
writeln!(self.out, "{s}")?;
|
||||
let call = self.calls;
|
||||
self.calls += 1;
|
||||
if call == self.f["fail"].as_i64().unwrap() {
|
||||
Err(io::Error::other("injected living fall query failure"))
|
||||
} else {
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
fn emit(&mut self) -> io::Result<()> {
|
||||
let i = self.impulse;
|
||||
writeln!(
|
||||
self.out,
|
||||
"grace {} {} {}",
|
||||
i.reset_grace_time,
|
||||
i.is_in_grace_time(),
|
||||
i.ignores_fall_damage()
|
||||
)?;
|
||||
if let Some(p) = i.impact_position {
|
||||
writeln!(
|
||||
self.out,
|
||||
"impact {:016x} {:016x} {:016x}",
|
||||
bits(p.x),
|
||||
bits(p.y),
|
||||
bits(p.z)
|
||||
)
|
||||
} else {
|
||||
writeln!(self.out, "impact none")
|
||||
}
|
||||
}
|
||||
}
|
||||
impl LivingFallWorld for World<'_> {
|
||||
type Error = io::Error;
|
||||
type Sound = bool;
|
||||
fn impact_position(&self) -> Option<Vec3> {
|
||||
self.impulse.impact_position
|
||||
}
|
||||
fn y(&self) -> f64 {
|
||||
number(&self.f["y"])
|
||||
}
|
||||
fn reset_impulse(&mut self) -> io::Result<()> {
|
||||
self.query("reset".into())?;
|
||||
self.impulse.reset();
|
||||
Ok(())
|
||||
}
|
||||
fn try_reset_impulse(&mut self) -> io::Result<()> {
|
||||
self.query("try-reset".into())?;
|
||||
if self.impulse.reset_grace_time == 0 {
|
||||
self.reset_impulse()?;
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
fn immune_to_fall_damage(&mut self) -> io::Result<bool> {
|
||||
self.query("immune".into())?;
|
||||
let v = self.f["immune"].as_array().unwrap();
|
||||
let value = v[self.immune_calls.min(v.len() - 1)].as_bool().unwrap();
|
||||
self.immune_calls += 1;
|
||||
Ok(value)
|
||||
}
|
||||
fn propagate_fall_to_passengers(&mut self, d: f64, m: f32) -> io::Result<()> {
|
||||
self.query(format!(
|
||||
"passengers {:016x} {:08x}",
|
||||
bits(d),
|
||||
if m.is_nan() { 0x7fc00000 } else { m.to_bits() }
|
||||
))?;
|
||||
if self.f["mutate"].as_bool().unwrap() {
|
||||
self.impulse.reset_grace_time = 17;
|
||||
self.impulse.impact_position = Some(Vec3::new(17.0, 18.0, 19.0));
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
fn safe_fall_distance(&mut self) -> io::Result<f64> {
|
||||
self.query("safe".into())?;
|
||||
Ok(number(&self.f["safe"]))
|
||||
}
|
||||
fn fall_damage_multiplier(&mut self) -> io::Result<f64> {
|
||||
self.query("damage-factor".into())?;
|
||||
Ok(number(&self.f["damage-factor"]))
|
||||
}
|
||||
fn fall_sound(&mut self, big: bool) -> io::Result<bool> {
|
||||
self.query("sounds".into())?;
|
||||
Ok(big)
|
||||
}
|
||||
fn play_fall_sound(&mut self, big: bool) -> io::Result<()> {
|
||||
self.query(format!("sound {}", if big { "big" } else { "small" }))
|
||||
}
|
||||
fn play_block_fall_sound(&mut self) -> io::Result<()> {
|
||||
self.query("block-sound".into())
|
||||
}
|
||||
fn hurt(&mut self, damage: f32) -> io::Result<()> {
|
||||
if self.f["server"].as_bool().unwrap() {
|
||||
self.query(format!("hurt {:08x}", damage.to_bits()))?;
|
||||
self.hurt += 1;
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
fn run(world: &mut World<'_>) -> io::Result<()> {
|
||||
let f = world.f;
|
||||
match f["mode"].as_u64().unwrap() {
|
||||
0 => {
|
||||
let value =
|
||||
calculate_fall_damage(world, number(&f["distance"]), single(&f["multiplier"]))?;
|
||||
writeln!(world.out, "damage {value}")?;
|
||||
}
|
||||
1 => {
|
||||
let value =
|
||||
cause_living_fall_damage(world, number(&f["distance"]), single(&f["multiplier"]))?;
|
||||
writeln!(world.out, "caused {value}")?;
|
||||
}
|
||||
2 => {
|
||||
for op in f["ops"].as_array().unwrap() {
|
||||
match op["mode"].as_u64().unwrap() {
|
||||
0 => world.impulse.set_ignore_fall_damage(
|
||||
op["ignore"].as_bool().unwrap(),
|
||||
vector(&op["position"]),
|
||||
),
|
||||
1 => world
|
||||
.impulse
|
||||
.apply_grace_time(op["ticks"].as_i64().unwrap() as i32),
|
||||
2 => world.try_reset_impulse()?,
|
||||
3 => world.reset_impulse()?,
|
||||
_ => unreachable!(),
|
||||
};
|
||||
world.emit()?;
|
||||
}
|
||||
}
|
||||
_ => unreachable!(),
|
||||
};
|
||||
Ok(())
|
||||
}
|
||||
fn main() -> Result<(), Box<dyn std::error::Error>> {
|
||||
let arg = std::env::args().nth(1).expect("private fixture directory");
|
||||
let dir = Path::new(&arg);
|
||||
let mut out = io::BufWriter::new(fs::File::create(dir.join("rust.txt"))?);
|
||||
for line in fs::read_to_string(dir.join("inputs.txt"))?.lines() {
|
||||
let f: Value = serde_json::from_str(line)?;
|
||||
let mut world = World {
|
||||
f: &f,
|
||||
out: &mut out,
|
||||
calls: 0,
|
||||
immune_calls: 0,
|
||||
hurt: 0,
|
||||
impulse: ImpulseContext {
|
||||
reset_grace_time: f["grace"].as_i64().unwrap() as i32,
|
||||
impact_position: vector(&f["impact"]),
|
||||
},
|
||||
};
|
||||
if run(&mut world).is_err() {
|
||||
writeln!(world.out, "error")?;
|
||||
}
|
||||
world.emit()?;
|
||||
writeln!(world.out, "hurt-count {}", world.hurt)?;
|
||||
writeln!(world.out, "queries {}", world.calls)?;
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
@@ -23,6 +23,7 @@ pub mod fluid;
|
||||
pub mod ground_support;
|
||||
pub mod heightmap;
|
||||
pub mod liquid_collision;
|
||||
pub mod living_fall;
|
||||
pub mod movement_properties;
|
||||
pub mod movement_restitution;
|
||||
pub mod movement_support;
|
||||
|
||||
@@ -0,0 +1,115 @@
|
||||
//! Living-entity fall damage calculation, impulse exemption and callback order.
|
||||
use horizon_core::geometry::Vec3;
|
||||
|
||||
#[derive(Clone, Copy, Debug, Default, PartialEq)]
|
||||
pub struct ImpulseContext {
|
||||
pub reset_grace_time: i32,
|
||||
pub impact_position: Option<Vec3>,
|
||||
}
|
||||
impl ImpulseContext {
|
||||
pub fn set_ignore_fall_damage(&mut self, ignore: bool, position: Option<Vec3>) {
|
||||
if ignore {
|
||||
self.apply_grace_time(40);
|
||||
self.impact_position = position;
|
||||
} else {
|
||||
self.reset_grace_time = 0;
|
||||
}
|
||||
}
|
||||
pub fn apply_grace_time(&mut self, ticks: i32) {
|
||||
self.reset_grace_time = self.reset_grace_time.max(ticks);
|
||||
}
|
||||
pub fn reset(&mut self) {
|
||||
self.reset_grace_time = 0;
|
||||
self.impact_position = None;
|
||||
}
|
||||
pub fn try_reset(&mut self) {
|
||||
if self.reset_grace_time == 0 {
|
||||
self.reset();
|
||||
}
|
||||
}
|
||||
pub fn is_in_grace_time(&self) -> bool {
|
||||
self.reset_grace_time > 0
|
||||
}
|
||||
pub fn ignores_fall_damage(&self) -> bool {
|
||||
self.impact_position.is_some()
|
||||
}
|
||||
}
|
||||
pub trait LivingFallWorld {
|
||||
type Error;
|
||||
type Sound: Copy;
|
||||
fn impact_position(&self) -> Option<Vec3>;
|
||||
fn y(&self) -> f64;
|
||||
fn reset_impulse(&mut self) -> Result<(), Self::Error>;
|
||||
fn try_reset_impulse(&mut self) -> Result<(), Self::Error>;
|
||||
fn immune_to_fall_damage(&mut self) -> Result<bool, Self::Error>;
|
||||
fn propagate_fall_to_passengers(
|
||||
&mut self,
|
||||
distance: f64,
|
||||
multiplier: f32,
|
||||
) -> Result<(), Self::Error>;
|
||||
fn safe_fall_distance(&mut self) -> Result<f64, Self::Error>;
|
||||
fn fall_damage_multiplier(&mut self) -> Result<f64, Self::Error>;
|
||||
/// Select the entity type's small/big fall sound. Big applies above four.
|
||||
fn fall_sound(&mut self, big: bool) -> Result<Self::Sound, Self::Error>;
|
||||
fn play_fall_sound(&mut self, sound: Self::Sound) -> Result<(), Self::Error>;
|
||||
fn play_block_fall_sound(&mut self) -> Result<(), Self::Error>;
|
||||
/// Dispatch native Entity.hurt semantics (server-only), preserving its source.
|
||||
fn hurt(&mut self, damage: f32) -> Result<(), Self::Error>;
|
||||
}
|
||||
pub fn calculate_fall_damage<W: LivingFallWorld>(
|
||||
world: &mut W,
|
||||
distance: f64,
|
||||
multiplier: f32,
|
||||
) -> Result<i32, W::Error> {
|
||||
if world.immune_to_fall_damage()? {
|
||||
return Ok(0);
|
||||
}
|
||||
let power = distance + 1.0e-6 - world.safe_fall_distance()?;
|
||||
Ok((power * f64::from(multiplier) * world.fall_damage_multiplier()?).floor() as i32)
|
||||
}
|
||||
fn java_min(a: f64, b: f64) -> f64 {
|
||||
if a.is_nan() {
|
||||
a
|
||||
} else if b.is_nan() {
|
||||
b
|
||||
} else if a == 0.0 && b == 0.0 {
|
||||
f64::from_bits(a.to_bits() | b.to_bits())
|
||||
} else {
|
||||
a.min(b)
|
||||
}
|
||||
}
|
||||
/// Default LivingEntity and Entity fall behavior. Entity-type overrides of the
|
||||
/// calculation/parent method are a separate dispatch layer. The same damage
|
||||
/// source must be retained by the provider for riders and the final hurt call.
|
||||
pub fn cause_living_fall_damage<W: LivingFallWorld>(
|
||||
world: &mut W,
|
||||
distance: f64,
|
||||
multiplier: f32,
|
||||
) -> Result<bool, W::Error> {
|
||||
let distance = if let Some(impact) = world.impact_position() {
|
||||
let distance = java_min(distance, impact.y - world.y());
|
||||
if distance <= 0.0 {
|
||||
world.reset_impulse()?;
|
||||
} else {
|
||||
world.try_reset_impulse()?;
|
||||
}
|
||||
distance
|
||||
} else {
|
||||
distance
|
||||
};
|
||||
// Base Entity.causeFallDamage returns false, even after notifying riders.
|
||||
if !world.immune_to_fall_damage()? {
|
||||
world.propagate_fall_to_passengers(distance, multiplier)?;
|
||||
}
|
||||
let damage = calculate_fall_damage(world, distance, multiplier)?;
|
||||
if damage > 0 {
|
||||
world.reset_impulse()?;
|
||||
let sound = world.fall_sound(damage > 4)?;
|
||||
world.play_fall_sound(sound)?;
|
||||
world.play_block_fall_sound()?;
|
||||
world.hurt(damage as f32)?;
|
||||
Ok(true)
|
||||
} else {
|
||||
Ok(false)
|
||||
}
|
||||
}
|
||||
@@ -669,3 +669,22 @@ records **44,566 matching lines per JAR**, including nonfinite arithmetic, float
|
||||
underflow, callback mutations and failures at every boundary. Workspace Clippy
|
||||
passes. Living-entity fluid/particle behavior, registered block landing effects,
|
||||
health/damage and full movement remain pending.
|
||||
|
||||
|
||||
`living_fall` implements default living-entity fall power/damage calculation,
|
||||
impulse-height exemption and landing damage callback order. It retains separate
|
||||
immunity checks for passenger propagation and damage calculation, double/float
|
||||
arithmetic and saturating floor-to-int conversion. Positive damage resets the
|
||||
impulse context, selects the fall sound, plays block landing sound and dispatches
|
||||
hurt. A rejected hurt callback does not change the native positive-damage result.
|
||||
`ImpulseContext` also models setter, grace-extension and reset behavior; disabling
|
||||
ignore clears grace time while retaining the impact position until a later reset.
|
||||
|
||||
`python3 tools/test_living_fall_parity.py` compares actual living methods and
|
||||
sequential impulse changes. The
|
||||
[living fall report](../benchmarks/rust-living-fall-2026-10-07/scoped-parity.json)
|
||||
records **153,025 matching lines per JAR**, including changing immunity, passenger
|
||||
callback mutations, nonfinite arithmetic, sound threshold selection and failures
|
||||
after partial state changes. Workspace Clippy passes. Attribute provisioning,
|
||||
passenger storage/recursion, actual health processing, tick/save/network behavior
|
||||
and the complete movement lifecycle remain pending.
|
||||
|
||||
@@ -0,0 +1,49 @@
|
||||
package dev.horizonlab.parity;
|
||||
import com.google.gson.*;
|
||||
import java.io.*;
|
||||
import java.lang.reflect.*;
|
||||
import java.nio.file.*;
|
||||
import java.util.*;
|
||||
import net.minecraft.core.*;
|
||||
import net.minecraft.tags.*;
|
||||
import net.minecraft.sounds.*;
|
||||
import net.minecraft.world.entity.*;
|
||||
import net.minecraft.world.entity.decoration.ArmorStand;
|
||||
import net.minecraft.world.entity.ai.attributes.*;
|
||||
import net.minecraft.world.damagesource.*;
|
||||
import net.minecraft.world.phys.Vec3;
|
||||
/** Actual living fall calculation/cause methods and impulse context transitions. */
|
||||
public final class VanillaLivingFallOracle {
|
||||
static final class Stop extends RuntimeException {}
|
||||
static double number(JsonElement v){return Double.longBitsToDouble(Long.parseUnsignedLong(v.getAsString(),16));}
|
||||
static float single(JsonElement v){return Float.intBitsToFloat(Integer.parseUnsignedInt(v.getAsString(),16));}
|
||||
static Vec3 vector(JsonElement v){if(v.isJsonNull())return null;var a=v.getAsJsonArray();return new Vec3(number(a.get(0)),number(a.get(1)),number(a.get(2)));}
|
||||
static Field grace,impact;
|
||||
static final class Data {JsonObject f;PrintWriter out;int calls,immuneCalls,hurt;void query(String s){out.println(s);if(calls++==f.get("fail").getAsInt())throw new Stop();}}
|
||||
static final class Level extends net.minecraft.server.level.ServerLevel {private Level(){super(null,null,null,null,null,null,false,0L,List.of(),false);}}
|
||||
static final class Actor extends ArmorStand {
|
||||
Data d;Actor(){super(null,null);}void configure(Level level){setLevel(level);}
|
||||
@Override public boolean is(TagKey<EntityType<?>> tag){if(tag!=EntityTypeTags.FALL_DAMAGE_IMMUNE)throw new AssertionError(tag);d.query("immune");var values=d.f.getAsJsonArray("immune");return values.get(Math.min(d.immuneCalls++,values.size()-1)).getAsBoolean();}
|
||||
@Override public double getAttributeValue(Holder<Attribute> attribute){String name=attribute==Attributes.SAFE_FALL_DISTANCE?"safe":attribute==Attributes.FALL_DAMAGE_MULTIPLIER?"damage-factor":null;if(name==null)throw new AssertionError(attribute);d.query(name);return number(d.f.get(name));}
|
||||
@Override public void resetCurrentImpulseContext(){d.query("reset");super.resetCurrentImpulseContext();}
|
||||
@Override public void tryResetCurrentImpulseContext(){d.query("try-reset");super.tryResetCurrentImpulseContext();}
|
||||
@Override protected void propagateFallToPassengers(double distance,float multiplier,DamageSource source){d.query(String.format("passengers %016x %08x",Double.doubleToLongBits(distance),Float.floatToIntBits(multiplier)));if(d.f.get("mutate").getAsBoolean()){try{grace.setInt(this,17);impact.set(this,new Vec3(17,18,19));}catch(ReflectiveOperationException e){throw new AssertionError(e);}}}
|
||||
@Override public Fallsounds getFallSounds(){d.query("sounds");return new Fallsounds(SoundEvents.GENERIC_SMALL_FALL,SoundEvents.GENERIC_BIG_FALL);}
|
||||
@Override public void playSound(SoundEvent sound,float volume,float pitch){if(volume!=1||pitch!=1)throw new AssertionError();d.query("sound "+(sound==SoundEvents.GENERIC_BIG_FALL?"big":"small"));}
|
||||
@Override protected void playBlockFallSound(){d.query("block-sound");}
|
||||
@Override public boolean hurtServer(net.minecraft.server.level.ServerLevel level,DamageSource source,float damage){d.query(String.format("hurt %08x",Float.floatToIntBits(damage)));d.hurt++;return d.f.get("hurt_result").getAsBoolean();}
|
||||
int calculate(double distance,float multiplier){return calculateFallDamage(distance,multiplier);}
|
||||
}
|
||||
public static void main(String[] args)throws Exception {
|
||||
net.minecraft.SharedConstants.tryDetectVersion();net.minecraft.server.Bootstrap.bootStrap();var allocator=Class.forName("sun.misc.Unsafe");var field=allocator.getDeclaredField("theUnsafe");field.setAccessible(true);var unsafe=field.get(null);var allocate=allocator.getMethod("allocateInstance",Class.class);
|
||||
grace=LivingEntity.class.getDeclaredField("currentImpulseContextResetGraceTime");grace.setAccessible(true);impact=LivingEntity.class.getDeclaredField("currentImpulseImpactPos");impact.setAccessible(true);var position=Entity.class.getDeclaredField("position");position.setAccessible(true);Path dir=Path.of(args[1]);
|
||||
try(var out=new PrintWriter(Files.newBufferedWriter(dir.resolve(args[0]+".txt")));var lines=Files.lines(dir.resolve("inputs.txt"))){
|
||||
for(var line:(Iterable<String>)lines::iterator){
|
||||
var f=JsonParser.parseString(line).getAsJsonObject();var d=new Data();d.f=f;d.out=out;var entity=(Actor)allocate.invoke(unsafe,Actor.class);entity.d=d;entity.configure(f.get("server").getAsBoolean()?(Level)allocate.invoke(unsafe,Level.class):null);grace.setInt(entity,f.get("grace").getAsInt());impact.set(entity,vector(f.get("impact")));position.set(entity,new Vec3(0,number(f.get("y")),0));
|
||||
try{int mode=f.get("mode").getAsInt();if(mode==0)out.println("damage "+entity.calculate(number(f.get("distance")),single(f.get("multiplier"))));else if(mode==1)out.println("caused "+entity.causeFallDamage(number(f.get("distance")),single(f.get("multiplier")),null));else for(var value:f.getAsJsonArray("ops")){var op=value.getAsJsonObject();switch(op.get("mode").getAsInt()){case 0->entity.setIgnoreFallDamageFromCurrentImpulse(op.get("ignore").getAsBoolean(),vector(op.get("position")));case 1->entity.applyPostImpulseGraceTime(op.get("ticks").getAsInt());case 2->entity.tryResetCurrentImpulseContext();case 3->entity.resetCurrentImpulseContext();default->throw new AssertionError();}emit(out,entity);} }
|
||||
catch(Stop error){out.println("error");}emit(out,entity);out.println("hurt-count "+d.hurt);out.println("queries "+d.calls);
|
||||
}
|
||||
}
|
||||
}
|
||||
static void emit(PrintWriter out,Actor entity)throws Exception{var p=(Vec3)impact.get(entity);out.println("grace "+grace.getInt(entity)+" "+entity.isInPostImpulseGraceTime()+" "+entity.isIgnoringFallDamageFromCurrentImpulse());if(p==null)out.println("impact none");else out.printf("impact %016x %016x %016x%n",Double.doubleToLongBits(p.x),Double.doubleToLongBits(p.y),Double.doubleToLongBits(p.z));}
|
||||
}
|
||||
@@ -0,0 +1,75 @@
|
||||
#!/usr/bin/env python3
|
||||
"""Compare living fall damage calculation, callbacks and impulse context with vanilla."""
|
||||
import argparse
|
||||
import json
|
||||
import os
|
||||
from pathlib import Path
|
||||
import platform
|
||||
import subprocess
|
||||
import random
|
||||
import struct
|
||||
import math
|
||||
try:
|
||||
from . import lab, test_rust_parity as base
|
||||
except ImportError:
|
||||
import lab
|
||||
import test_rust_parity as base
|
||||
|
||||
|
||||
def corpus():
|
||||
def bits(v):return struct.pack('>d',float(v)).hex()
|
||||
def single(v):
|
||||
try:return struct.pack('>f',float(v)).hex()
|
||||
except OverflowError:return struct.pack('>f',math.copysign(float('inf'),v)).hex()
|
||||
def vector(v):return None if v is None else list(map(bits,v))
|
||||
def row(mode=1,distance=10,multiplier=1,safe=3,damage=1,immune=(False,False),impact=None,grace=0,y=0,mutate=False,fail=-1,server=True,hurt_result=True,ops=()):return dict(mode=mode,distance=bits(distance),multiplier=single(multiplier),safe=bits(safe),**{'damage-factor':bits(damage)},immune=list(immune),impact=vector(impact),grace=grace,y=bits(y),mutate=mutate,fail=fail,server=server,hurt_result=hurt_result,ops=list(ops))
|
||||
values=[-float('inf'),-1,-0.0,0,2.999999,3,3.999999,4,7,8,10,1e40,float('inf'),float('nan')]
|
||||
for mode in [0,1]:
|
||||
for distance in values:
|
||||
for multiplier in [-1,-0.0,0,.5,1,2,float('nan')]:
|
||||
for safe in [0,3,5,float('nan')]:
|
||||
for immune in [(False,False),(True,True),(False,True),(True,False)]:yield row(mode,distance,multiplier,safe,immune=immune)
|
||||
for distance in [-0.0,0,4,10,float('nan')]:
|
||||
for impact in [None,[0,-1,0],[0,-0.0,0],[0,0,0],[0,2,0],[0,10,0],[0,float('nan'),0]]:
|
||||
for grace in [-1,0,1,40]:
|
||||
for fail in range(-1,13):yield row(distance=distance,impact=impact,grace=grace,fail=fail,mutate=True)
|
||||
rng=random.Random(0x4c4956494e474641)
|
||||
for _ in range(4000):yield row(mode=rng.randrange(2),distance=rng.choice(values),multiplier=rng.choice(values),safe=rng.choice(values),damage=rng.choice(values),immune=(bool(rng.randrange(2)),bool(rng.randrange(2))),impact=rng.choice([None,[0,0,0],[1,5,2],[0,float('inf'),0]]),grace=rng.choice([-1,0,1,40]),y=rng.choice(values),mutate=bool(rng.randrange(2)),fail=rng.choice([-1,-1,0,1,2,4,7,10]),server=bool(rng.randrange(2)),hurt_result=bool(rng.randrange(2)))
|
||||
for _ in range(2000):
|
||||
ops=[]
|
||||
for _ in range(20):ops.append(dict(mode=rng.randrange(4),ignore=bool(rng.randrange(2)),position=vector(rng.choice([None,[0,0,0],[17,-64,-33]])),ticks=rng.choice([-2147483648,-1,0,1,40,100,2147483647])))
|
||||
yield row(mode=2,impact=rng.choice([None,[1,2,3]]),grace=rng.choice([-1,0,1,40,2147483647]),ops=ops,fail=rng.choice([-1,-1,0,3,7,12]))
|
||||
|
||||
|
||||
def main():
|
||||
parser=argparse.ArgumentParser(description=__doc__);parser.add_argument('--prepare',action='store_true');args=parser.parse_args()
|
||||
build=lab.LOCAL/'rust-living-fall-parity';build.mkdir(parents=True,exist_ok=True)
|
||||
report_path=build/'report.json';report_path.unlink(missing_ok=True)
|
||||
if args.prepare:lab.prepare()
|
||||
lock,jars,libraries=base.verify_artifacts()
|
||||
oracle=lab.ROOT/'mods/horizon/src/test/java/dev/horizonlab/parity/VanillaLivingFallOracle.java'
|
||||
sources=[oracle,Path(__file__),lab.ROOT/'tools/test_rust_parity.py',lab.ROOT/'tools/lab.py',lab.ROOT/'Cargo.toml',lab.ROOT/'Cargo.lock',lab.ROOT/'crates/horizon-core/Cargo.toml',lab.ROOT/'crates/horizon-world/Cargo.toml',*sorted((lab.ROOT/'crates/horizon-core/src').rglob('*.rs')),*sorted((lab.ROOT/'crates/horizon-world/src').rglob('*.rs')),lab.ROOT/'crates/horizon-world/examples/living_fall_fixture.rs']
|
||||
tested_sources=base.source_hashes(sources)
|
||||
classes=build/'classes';classes.mkdir(exist_ok=True)
|
||||
def run(command,name):
|
||||
with (build/(name+'.log')).open('w',encoding='utf-8') as log:base.run(list(map(str,command)),stdout=log,stderr=subprocess.STDOUT)
|
||||
dependency_path=os.pathsep.join(map(str,libraries))
|
||||
run(['javac','--release',lock['minecraft']['java_major'],'-proc:none','-cp',str(jars['server'])+os.pathsep+dependency_path,'-d',classes,oracle],'compile-java')
|
||||
def java(side,mode,path):
|
||||
run(['java','-Xmx512M','-cp',os.pathsep.join([str(classes),str(jars[side]),dependency_path]),'dev.horizonlab.parity.VanillaLivingFallOracle',mode,path],side+'-'+mode)
|
||||
fixtures=list(corpus());inputs=build/'inputs.txt';inputs.write_text(''.join(json.dumps(value,separators=(',',':'))+'\n' for value in fixtures),encoding='utf-8')
|
||||
fixture_paths=[inputs];tested_fixtures=base.source_hashes(fixture_paths)
|
||||
run(['cargo','build','--release','-p','horizon-world','--example','living_fall_fixture'],'compile-rust')
|
||||
metadata=json.loads(subprocess.check_output(['cargo','metadata','--no-deps','--format-version','1'],cwd=lab.ROOT,text=True))
|
||||
binary=Path(metadata['target_directory'])/'release/examples'/('living_fall_fixture.exe' if os.name=='nt' else 'living_fall_fixture')
|
||||
run([binary,build],'rust');references=[]
|
||||
for side,jar in jars.items():
|
||||
java(side,side,build);reference=build/f'{side}.txt';matched=base.compare(reference,build/'rust.txt')
|
||||
references.append({'side':side,'jar_sha256':lab.digest(jar,'sha256'),'output_sha256':lab.digest(reference,'sha256'),'matched_output_lines':matched})
|
||||
print(f'{side}: {matched:,} living-fall output lines match Rust',flush=True)
|
||||
base.ensure_sources_unchanged(sources,tested_sources);base.ensure_sources_unchanged(fixture_paths,tested_fixtures)
|
||||
report={'schema':1,'minecraft':lock['minecraft']['version'],'manifest_sha1':lock['minecraft']['manifest_sha1'],'platform':platform.platform(),'java':subprocess.check_output(['java','--version'],text=True).splitlines()[0],'rustc':subprocess.check_output(['rustc','--version'],text=True).strip(),'fixtures':len(fixtures),'sources_sha256':tested_sources,'fixtures_sha256':tested_fixtures,'rust_output_sha256':lab.digest(build/'rust.txt','sha256'),'references':references,'scope':'Actual LivingEntity.calculateFallDamage, causeFallDamage and impulse-context setter/reset/grace methods. Controlled immunity/attribute getters, passenger callback, sounds and server hurt callback expose native query order and failure state. Includes changing immunity, passenger mutations, impulse-height limiting, zero/negative/large grace values, float multiplier widening, floor/saturation, signed zero/nonfinite values and setter sequences. Hurt return values do not change the causeFallDamage result. A null level snapshot exercises the native non-server hurt no-op; actual client entity lifecycle, passenger storage/recursion, health/damage processing, attribute provisioning and tick/save/network integration remain pending.'}
|
||||
lab.write_json(report_path,report);print(f'Scoped living fall parity passed: {report_path}')
|
||||
|
||||
|
||||
if __name__=='__main__':main()
|
||||
Reference in New Issue
Block a user