SashegDev
874b6f20c2
Основа — Horizon (MIT). История апстрима не переносится: этот репозиторий ведёт свою.
75 lines
2.9 KiB
Python
75 lines
2.9 KiB
Python
#!/usr/bin/env python3
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"""Generate crates/horizon-client/src/lan/tracking.rs: every entity type's
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tracking settings (EntityType.Builder clientTrackingRange, updateInterval and
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trackDeltas, which ChunkMap.TrackedEntity and ServerEntity use to decide who
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sees an entity and how often its movement is sent), read from the decompiled
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EntityTypes.java.
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generate_entity_tracking.py [--sources .local/minecraft/<pinned version>/sources/client]
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"""
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import argparse
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import re
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from pathlib import Path
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try:
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from . import lab
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except ImportError:
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import lab
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ROOT = Path(__file__).resolve().parents[1]
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INT_MAX = 2147483647
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def parse(sources):
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text = (sources / "net/minecraft/world/entity/EntityTypes.java").read_text()
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out = []
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for m in re.finditer(r"public static final EntityType<[\w.]+> (\w+) = register\((.*?)\n \);", text, re.S):
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name, body = m.group(1).lower(), m.group(2)
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range_ = re.findall(r"\.clientTrackingRange\((\d+)\)", body)
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interval = re.findall(r"\.updateInterval\((\w+(?:\.\w+)?)\)", body)
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track = ".dontTrackDeltas()" not in body
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r = int(range_[-1]) if range_ else 5
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if ".noUpdateInterval()" in body or (interval and interval[-1] == "Integer.MAX_VALUE"):
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i = 0
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else:
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i = int(interval[-1]) if interval else 3
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out.append((f"minecraft:{name}", r, i, track))
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return sorted(out)
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def main():
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument("--sources", type=Path, default=lab.GAME / "sources/client")
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parser.add_argument("--out", type=Path, default=ROOT / "crates/horizon-client/src/lan/tracking.rs")
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args = parser.parse_args()
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rows = parse(args.sources)
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if len(rows) < 100:
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raise SystemExit(f"only {len(rows)} entity types found")
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lines = [
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"//! Entity tracking settings per entity type (EntityType.Builder",
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"//! clientTrackingRange in chunks, updateInterval in ticks with 0 for never,",
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"//! trackDeltas). Generated by tools/generate_entity_tracking.py from the",
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"//! decompiled EntityTypes.java; do not edit by hand.",
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"",
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"/// (entity type, tracking range in chunks, update interval, track deltas), sorted.",
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"pub const TRACKING: &[(&str, u8, u32, bool)] = &[",
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]
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lines += [f' ("{n}", {r}, {i}, {str(t).lower()}),' for n, r, i, t in rows]
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lines += [
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"];",
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"",
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"/// The settings of one entity type; unknown types get the builder defaults.",
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"pub fn settings(kind: &str) -> (u8, u32, bool) {",
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" TRACKING",
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" .binary_search_by(|row| row.0.cmp(kind))",
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" .map_or((5, 3, true), |i| (TRACKING[i].1, TRACKING[i].2, TRACKING[i].3))",
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"}",
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"",
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]
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args.out.write_text("\n".join(lines))
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print(f"wrote {len(rows)} entity types to {args.out}")
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if __name__ == "__main__":
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main()
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