feat: initialize sunrise with 100-player shared rooms

2026-10-30 16:36:35 +09:00
commit 31d6eac4c2
257 changed files with 66063 additions and 0 deletions
@@ -0,0 +1,67 @@
+"""OSM XML snapshots -> attributed footprint GeoJSON, with no fabricated source heights."""
+import collections
+import argparse
+import hashlib
+import json
+from pathlib import Path
+import xml.etree.ElementTree as ET
+
+root = Path(__file__).resolve().parents[1]
+items = {}
+sources = []
+boxes = ['126.975,37.410,126.995,37.435','126.995,37.410,127.015,37.435','126.975,37.435,126.995,37.460','126.995,37.435,127.015,37.460']
+for i, bbox in enumerate(boxes):
+    path = root / f'data/raw/gwacheon/tile-{i}.osm'
+    tree = ET.parse(path).getroot()
+    sources.append({'file':path.name,'url':'https://www.openstreetmap.org/api/0.6/map?bbox='+bbox,'sha256':hashlib.sha256(path.read_bytes()).hexdigest()})
+    for element in tree:
+        items[(element.tag,element.get('id'))] = element
+nodes = {key[1]:[float(e.get('lon')),float(e.get('lat'))] for key,e in items.items() if key[0]=='node'}
+def tags(e):
+    return {t.get('k'):t.get('v') for t in e.findall('tag')}
+def ring(e):
+    refs = [n.get('ref') for n in e.findall('nd')]
+    if len(refs)<4 or refs[0]!=refs[-1] or any(r not in nodes for r in refs):
+        return None
+    return [nodes[r] for r in refs]
+features=[]
+skipped=[]
+consumed=set()
+for (kind,identity),e in items.items():
+    p=tags(e)
+    if kind!='relation' or 'building' not in p:
+        continue
+    outer=[]; inner=[]; members=[]; valid=True
+    for m in e.findall('member'):
+        way=items.get(('way',m.get('ref')))
+        r=ring(way) if way is not None else None
+        if m.get('type')!='way' or r is None:
+            valid=False; break
+        (inner if m.get('role')=='inner' else outer).append(r)
+        members.append(m.get('ref'))
+    if valid and len(outer)==1:
+        features.append({'type':'Feature','id':'relation/'+identity,'properties':p,'geometry':{'type':'Polygon','coordinates':outer+inner}})
+        consumed.update(members)
+    else:
+        skipped.append({'id':'relation/'+identity,'reason':'multipart or incomplete relation; not silently filled'})
+for (kind,identity),e in items.items():
+    p=tags(e)
+    if kind!='way' or 'building' not in p or identity in consumed:
+        continue
+    if p['building'] in ['no','construction','ruins'] or p.get('location')=='underground':
+        skipped.append({'id':'way/'+identity,'reason':'not an existing above-ground building'}); continue
+    r=ring(e)
+    if r is None:
+        skipped.append({'id':'way/'+identity,'reason':'open or incomplete footprint'}); continue
+    features.append({'type':'Feature','id':'way/'+identity,'properties':p,'geometry':{'type':'Polygon','coordinates':[r]}})
+# API returns ways crossing the requested bounds: retain complete footprints only if center is in AOI.
+features=[f for f in features if 126.975 <= sum(c[0] for c in f['geometry']['coordinates'][0][:-1])/len(f['geometry']['coordinates'][0][:-1]) <= 127.015 and 37.410 <= sum(c[1] for c in f['geometry']['coordinates'][0][:-1])/len(f['geometry']['coordinates'][0][:-1]) <= 37.460]
+data={'type':'FeatureCollection','attribution':'© OpenStreetMap contributors','license':'ODbL-1.0','features':features}
+parser = argparse.ArgumentParser()
+parser.add_argument('--output-dir', type=Path, default=root/'public/buildings')
+out=parser.parse_args().output_dir
+out.mkdir(exist_ok=True,parents=True)
+(out/'gwacheon.geojson').write_text(json.dumps(data,ensure_ascii=False,separators=(',',':')),encoding='utf-8')
+report={'downloadedAt':'2026-10-29','bbox':[126.975,37.410,127.015,37.460],'count':len(features),'types':dict(collections.Counter(f['properties']['building'] for f in features)),'heightTags':sum('height' in f['properties'] for f in features),'levelTags':sum('building:levels' in f['properties'] for f in features),'sources':sources,'skipped':skipped,'license':'https://www.openstreetmap.org/copyright'}
+(out/'metadata.json').write_text(json.dumps(report,ensure_ascii=False,indent=2),encoding='utf-8')
+print(json.dumps(report,ensure_ascii=False))