claudeandClaude Opus 5.5
d49684a2eb
From Adrian's play-test (2026-10-30): - The Deep Dark no longer fills the deepslate layer: world/biomes.json splits it by temperature (Deep Dark under cold and temperate land, basalt deltas under the hottest, ordinary caves between); at y -52 it drops from 30 % to 14 % of the land, basalt 7 %. - Cave zones fill up to their targets with lines whose primary type fits the cave; top stages spawn up to the band's top (Deep Dark Lv 60, Basalt 70); no time-of-day conditions underground. - Wild Pokemon more than 10 levels above the band of the zone they wander into despawn (zone/Wanderers.kt). - Loot is shared: all players in one scoreboard team, Lootr team_loot. - Basalt ore nodes reach the deep basalt. Self-tests strays_despawn and loot_is_shared; the catching rules from the previous commit are now tested too. Template rebuilt (world check passed), island quick check passed (36 self-tests and the restart test). Shoulder Pokemon noted for Phase 5. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
372 lines
20 KiB
Python
Executable File
372 lines
20 KiB
Python
Executable File
#!/usr/bin/env python3
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"""Give every zone its own Pokémon: write one spawn pool per zone from Cobblemon's own spawn data.
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Cobblemon's spawn files are switched off for the island (datapacks/core/pack.mcmeta filters
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data/cobblemon/spawn_pool_world/). In their place this tool writes
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datapacks/core/data/cobblesurvival/spawn_pool_world/<zone>.json:
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1. Every evolution line that Cobblemon lets spawn somewhere on the island gets one home
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zone. Lines with the fewest possible biomes are placed first. A line's score for a zone
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is how much of the zone is made of the line's biomes, times how much of the line's own
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range the zone covers (square root), times how well the line's strength
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(base-stat total of its strongest form, as a rank among all lines) matches the zone's
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level band, divided by how full the zone already is against its "lines" target. So strong
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lines (pseudo-legendaries) end up in high-level zones. Legendary, mythical, Ultra Beast
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and Paradox Pokémon are left out. Lines that can spawn in nearly every biome (Cobblemon's
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catch-all tags) are placed last: first into the cave zones, which take those whose first stage's
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primary type fits the cave (world/zones.json → caves → "types") up to their target, the ones closest to the
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cave's level first; the rest by strength into the land zones, weakest first, filling each zone
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up to its target.
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2. In its home zone a line keeps Cobblemon's spawn entries (bucket, weight, time, light,
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presets) for the biomes the zone has, plus "zone": "<id>". Levels are clamped into the
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zone's band, so the band picks the evolution stages: a stage whose levels miss the band
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doesn't spawn there. If no stage fits, the closest one spawns across the whole band. The
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line's top stage spawns up to the top of the band (Cobblemon's own ranges stop earlier).
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3. world/zones.json → "species" pins a line to a zone by hand: {"pikachu": "southwold"}.
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4. In cave zones every entry spawns in the cave's biome, and sky-light minimums, "can see sky", time
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of day, excluded biomes and the "natural" ground preset are dropped (there's no sky or day underground).
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5. Strong flyers (STRONG_FLYER_*) only spawn in zones whose band starts at HIGH_ZONE_LEVEL or more.
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6. Each zone with a "guardian" gets datapacks/core/data/cobblesurvival/guardians/<zone>.json: the
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strongest Pokémon spawning in the zone (or "species"), uncatchable, half again as big, five levels
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above the band, with the zone's boss drops and world/zones.json → guardian_respawn_hours.
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Also writes docs/zone-species.md, the list per zone for review.
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Needs: build/zone-layout.json (tools/zone_layout.py), build/field-guide/fieldguide.json
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(tools/fieldguide/build.py; its "hidden_spawns" say which island biomes each of Cobblemon's own,
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filtered-out entries can use) and the
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Cobblemon jar in build/server/mods (any test-server run).
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Usage: tools/zone_spawns.py
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"""
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import collections
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import copy
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import json
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import re
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import sys
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import zipfile
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from pathlib import Path
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ROOT = Path(__file__).resolve().parent.parent
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OUT = ROOT / "datapacks/core/data/cobblesurvival/spawn_pool_world"
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GUARDIANS = ROOT / "datapacks/core/data/cobblesurvival/guardians"
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GUARDIAN_SCALE = 1.5 # "Alpha": half again as big as a normal one
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GUARDIAN_LEVELS_ABOVE_BAND = 5
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REPORT = ROOT / "docs/zone-species.md"
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EXCLUDED_LABELS = {"legendary", "mythical", "ultra_beast", "paradox", "restricted"}
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MIN_CELLS = 5 # a zone "has" a biome when at least this many grid cells of it lie in the zone
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# A line whose entries cover this share of the island's biomes lives "anywhere" (Cobblemon's catch-all
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# tags): its biomes say nothing about a home, so it only goes to a land zone, by strength. Its cave and
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# water entries still spawn underground and in the rivers of that zone.
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ALL_ROUNDER = 0.8
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# Roadmap Phase 3: strong flyers only spawn in high-level zones. A species you can ride through the air with a top
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# flying speed or stamina this high never spawns in a zone whose band starts below HIGH_ZONE_LEVEL (its weaker
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# pre-evolutions still do), and a line that starts as one is placed in such a zone only; if none fits its habitat,
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# it doesn't spawn in the wild.
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STRONG_FLYER_SPEED = 60
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STRONG_FLYER_STAMINA = 85
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HIGH_ZONE_LEVEL = 30
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def cobblemon_jar():
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jars = sorted((ROOT / "build/server/mods").glob("Cobblemon-*.jar"))
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if not jars:
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sys.exit("no Cobblemon jar in build/server/mods: run tools/build.py and tools/selftest.py (or the quick check) first")
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return jars[-1]
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def load_entries(jar):
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"""{(pool, id): entry} for every spawn entry of Cobblemon's world spawn pools."""
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entries = {}
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with zipfile.ZipFile(jar) as z:
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for name in z.namelist():
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m = re.fullmatch(r"data/cobblemon/spawn_pool_world/(.+)\.json", name)
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if not m:
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continue
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data = json.loads(z.read(name))
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if not data.get("enabled", True) or data.get("neededInstalledMods"):
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continue
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pool = f"cobblemon:{m[1]}"
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for entry in data.get("spawns", []):
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# Same key as the field guide, which names an entry without an id after its file.
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entries[(pool, entry.get("id") or pool)] = entry
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return entries
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def zone_biomes(plan, layout, preview):
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"""{zone: {biome: share of the zone's cells}}, ignoring biomes with fewer than MIN_CELLS cells."""
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names = preview["biomes"]
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counts = collections.defaultdict(collections.Counter)
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for zone_index, biome in zip(layout["grid"], preview["surface"]):
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if zone_index >= 0:
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counts[layout["zones"][zone_index]][names[biome]] += 1
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shares = {}
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for zid, c in counts.items():
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kept = {b: n for b, n in c.items() if n >= MIN_CELLS}
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total = sum(kept.values())
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shares[zid] = {b: n / total for b, n in kept.items()}
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for cave in plan["caves"]:
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shares[cave["id"]] = {cave["biome"]: 1.0}
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return shares
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def species_data(jar):
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"""({species id: base-stat total}, {species ids that are strong flyers}) from Cobblemon's species files."""
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totals, flyers = {}, set()
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with zipfile.ZipFile(jar) as z:
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for name in z.namelist():
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m = re.fullmatch(r"data/cobblemon/species/[^/]+/([^/]+)\.json", name)
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if not m:
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continue
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data = json.loads(z.read(name))
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totals[f"cobblemon:{m[1]}"] = sum(data.get("baseStats", {}).values())
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air = ((data.get("riding") or {}).get("behaviours") or {}).get("AIR") or {}
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stats = air.get("stats", {})
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def top(stat):
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return int(str(stats.get(stat, "0")).split("-")[-1])
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if air and (top("SPEED") >= STRONG_FLYER_SPEED or top("STAMINA") >= STRONG_FLYER_STAMINA):
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flyers.add(f"cobblemon:{m[1]}")
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return totals, flyers
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def load_before(zone, room, stretch, target):
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"""How many lines a land zone may hold once all-rounders are added."""
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return target[zone] - room[zone] + room[zone] * stretch
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def line_root(species_id, species):
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seen = set()
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while species_id in species and species[species_id].get("pre") and species_id not in seen:
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seen.add(species_id)
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species_id = species[species_id]["pre"]
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return species_id
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def main():
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plan = json.loads((ROOT / "world/zones.json").read_text())
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layout = json.loads((ROOT / "build/zone-layout.json").read_text())
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recipe = json.loads((ROOT / "world/world.json").read_text())
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preview = json.loads((ROOT / f"build/server/seed-search/cobblesurvival/biome_preview/{recipe['seed']}.json").read_text())
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guide = json.loads((ROOT / "build/field-guide/fieldguide.json").read_text())
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species = guide["species"]
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jar = cobblemon_jar()
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entries = load_entries(jar)
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bst, strong_flyers = species_data(jar)
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zones = {z["id"]: z for z in plan["zones"]} | {c["id"]: c for c in plan["caves"]}
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shares = zone_biomes(plan, layout, preview)
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biomes_of = {zid: set(s) for zid, s in shares.items()}
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island_biomes = set().union(*biomes_of.values())
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land_zones = {z["id"] for z in plan["zones"] if "water" not in z["rule"]}
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cave_zones = {c["id"] for c in plan["caves"]}
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mids = {zid: sum(z["levels"]) / 2 for zid, z in zones.items()}
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low, high = min(mids.values()), max(mids.values())
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tier = {zid: (m - low) / (high - low) for zid, m in mids.items()}
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# Island biomes of every Cobblemon entry, from the field guide (it resolves biome tags). The guide lists
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# pools that datapacks/core's filter hides, Cobblemon's own, under "hidden_spawns"; older guides had
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# them in "spawns".
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cobblemon_spawns = guide.get("hidden_spawns") or guide["spawns"]
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lines = collections.defaultdict(list) # line root -> [(entry, island biomes, species id)]
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for s in cobblemon_spawns:
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if s["type"] != "pokemon" or s["status"] != "available" or not s["biomes"]:
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continue
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entry = entries.get((s["pool"], s["id"]))
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if entry is None:
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continue
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member = s["members"][0]["species"]
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if EXCLUDED_LABELS & set(species.get(member, {}).get("labels", [])):
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continue
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lines[line_root(member, species)].append((entry, set(s["biomes"]), member, s["level"]))
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pinned = {f"cobblemon:{k}" if ":" not in k else k: v for k, v in plan.get("species", {}).items()}
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flying_lines = {root for root in lines if root in strong_flyers}
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def allowed(root, zid):
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return root not in flying_lines or zones[zid]["levels"][0] >= HIGH_ZONE_LEVEL
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wanted = {zid: z.get("lines", 20) for zid, z in zones.items()}
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scale = len(lines) / sum(wanted.values())
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target = {zid: n * scale for zid, n in wanted.items()}
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# Strength of a line: the base-stat total of its strongest member, as a rank from 0 (weakest) to 1.
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strength = {root: max(bst.get(m, 0) for _, _, m, _ in members) for root, members in lines.items()}
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ranked = sorted(strength, key=strength.get)
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rank = {root: i / max(len(ranked) - 1, 1) for i, root in enumerate(ranked)}
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load = collections.Counter()
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home = {}
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biomes_of_line = {root: set().union(*(b for _, b, _, _ in members)) for root, members in lines.items()}
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all_rounders = {root for root, b in biomes_of_line.items()
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if root not in pinned and len(b) >= ALL_ROUNDER * len(island_biomes)}
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for root, zid in pinned.items():
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if root in lines:
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home[root] = zid
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load[zid] += 1
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# 1. Lines with a habitat, the most specific first.
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for root in sorted(lines, key=lambda r: (len(biomes_of_line[r]), r)):
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if root in home or root in all_rounders:
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continue
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line_biomes = biomes_of_line[root]
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def score(zid):
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habitat = sum(share for b, share in shares[zid].items() if b in line_biomes)
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# How much of the line's own range this zone covers.
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specific = len(line_biomes & biomes_of[zid]) / len(line_biomes)
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fit = 1 - abs(rank[root] - tier[zid])
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return habitat * specific ** 0.5 * fit ** 2 / (1 + load[zid] / target[zid])
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candidates = [zid for zid in zones if line_biomes & biomes_of[zid] and allowed(root, zid)]
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if candidates:
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home[root] = max(candidates, key=score)
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load[home[root]] += 1
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# 2. Cave zones take the all-rounders of the types that fit them, up to their targets, the ones closest
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# to the cave's level first (Adrian, 2026-10-30: the deep caves' tables were too small).
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# A line's type here is its first stage's primary type (a line of many types, like Eevee's, shouldn't count as all of them).
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primary_type = {root: (species.get(root, {}).get("types") or [None])[0] for root in lines}
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for zid in sorted(cave_zones, key=lambda z: tier[z]):
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fits = set(zones[zid].get("types", []))
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while load[zid] < target[zid]:
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pool = [r for r in all_rounders if r not in home and primary_type[r] in fits and allowed(r, zid)]
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if not pool:
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break
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root = min(pool, key=lambda r: (abs(rank[r] - tier[zid]), r))
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home[root] = zid
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load[zid] += 1
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# 3. The other all-rounders fill the land zones up to their targets, weakest lines into the lowest zones.
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by_tier = sorted(land_zones, key=lambda z: tier[z])
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room = {z: max(0.0, target[z] - load[z]) for z in by_tier}
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total_room = sum(room.values()) or 1
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stretch = max(1.0, len(all_rounders) / total_room)
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zone_iter = iter(by_tier)
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current = next(zone_iter)
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for root in sorted((r for r in all_rounders if r not in home), key=lambda r: rank[r]):
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while load[current] >= load_before(current, room, stretch, target) and current != by_tier[-1]:
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current = next(zone_iter)
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# A strong flyer skips ahead to the first high zone.
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home[root] = current if allowed(root, current) else next((z for z in by_tier if allowed(root, z)), None)
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if home[root] is None:
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del home[root]
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continue
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load[home[root]] += 1
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pools = collections.defaultdict(list)
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report = collections.defaultdict(list)
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cave_biome = {c["id"]: c["biome"] for c in plan["caves"]}
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for root, zid in home.items():
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lo, hi = zones[zid]["levels"]
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high = zones[zid]["levels"][0] >= HIGH_ZONE_LEVEL
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# Underground every entry gets the cave's biome below, so any of the line's entries will do.
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usable = [(e, b, m, lv) for e, b, m, lv in lines[root]
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if (zid in cave_zones or b & biomes_of[zid]) and (high or m not in strong_flyers)]
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if not usable:
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continue
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reaching = [u for u in usable if u[3][0] <= hi and u[3][1] >= lo]
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top = max(reaching, key=lambda u: u[3][1])[2] if reaching else None
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# The top stage spawns up to the band's top; Cobblemon's own ranges often stop well below it.
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fitting = [(e, m, max(lv[0], lo), hi if m == top else min(lv[1], hi)) for e, b, m, lv in reaching]
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if not fitting:
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# No stage reaches the band: the closest stage spawns across all of it.
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e, b, m, lv = min(usable, key=lambda u: min(abs(u[3][0] - hi), abs(u[3][1] - lo)))
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fitting = [(e, m, lo, hi)]
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seen = set()
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for entry, member, a, b in fitting:
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spawn = copy.deepcopy(entry)
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spawn["id"] = f"{zid}-{entry.get('id') or member.split(':')[1]}-{len(pools[zid])}"
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spawn["level"] = f"{a}-{b}"
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condition = spawn.setdefault("condition", {})
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condition["zone"] = zid
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if zid in cave_zones:
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# Many entries come from Cobblemon's surface spawns (e.g. "spooky" biomes include the deep
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# dark); underground they could never see the sky.
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condition.pop("minSkyLight", None)
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if condition.get("canSeeSky") is True:
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del condition["canSeeSky"]
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# "natural" only allows natural ground; cave floors (basalt deltas: magma, smooth basalt) often aren't.
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if "natural" in spawn.get("presets", []):
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spawn["presets"] = [x for x in spawn["presets"] if x != "natural"]
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# The zone condition places it; the cave's biome stands in for Cobblemon's surface biomes, and
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# there's no day or night underground.
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condition["biomes"] = [cave_biome[zid]]
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condition.pop("timeRange", None)
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spawn.get("anticondition", {}).pop("biomes", None)
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if spawn.get("anticondition") == {}:
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del spawn["anticondition"]
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key = (spawn["pokemon"], spawn.get("spawnablePositionType"), spawn.get("bucket"), spawn["level"])
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if key in seen:
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continue
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seen.add(key)
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pools[zid].append(spawn)
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names = sorted({species[m]["name"] for _, m, _, _ in fitting})
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report[zid].append((species.get(root, {}).get("name", root), names))
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low_flyers = [(zid, s["pokemon"]) for zid, spawns in pools.items() for s in spawns
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if zones[zid]["levels"][0] < HIGH_ZONE_LEVEL and f"cobblemon:{s['pokemon'].split()[0].lower()}" in strong_flyers]
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if low_flyers:
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sys.exit(f"strong flyers would spawn below Lv {HIGH_ZONE_LEVEL}: {low_flyers[:5]}")
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OUT.mkdir(parents=True, exist_ok=True)
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for old in OUT.glob("*.json"):
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old.unlink()
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for zid, spawns in pools.items():
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(OUT / f"{zid}.json").write_text(json.dumps({
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"_comment": "Generated by tools/zone_spawns.py from Cobblemon's spawn data; do not edit by hand.",
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"enabled": True, "neededInstalledMods": [], "neededUninstalledMods": [],
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"spawns": sorted(spawns, key=lambda s: s["id"]),
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}, indent=1) + "\n")
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GUARDIANS.mkdir(parents=True, exist_ok=True)
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for old in GUARDIANS.glob("*.json"):
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old.unlink()
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guardians = {}
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for zid, zone in zones.items():
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config = zone.get("guardian")
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if not config:
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continue
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# A guardian stands its ground: on land a walking spawn, at sea a swimming one, never a fishing catch.
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kinds = {"submerged", "surface"} if "water" in zone.get("rule", {}) else {"grounded"}
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spawning = {s["pokemon"].split()[0].lower() for s in pools.get(zid, []) if s.get("spawnablePositionType") in kinds}
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species_name = config.get("species") or max(spawning, key=lambda n: bst.get(f"cobblemon:{n}", 0))
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level = zone["levels"][1] + GUARDIAN_LEVELS_ABOVE_BAND
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guardians[zid] = species_name
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(GUARDIANS / f"{zid}.json").write_text(json.dumps({
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"_comment": "Generated by tools/zone_spawns.py from world/zones.json; do not edit by hand.",
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"zone": zid,
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"pokemon": f"{species_name} level={level} uncatchable=yes",
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"scale": GUARDIAN_SCALE,
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"drops": [{"item": item, "count": count} for item, count in config["drops"]],
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"respawn_hours": plan["guardian_respawn_hours"],
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}, indent=1) + "\n")
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lines_out = ["# Pokémon per zone", "",
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"Generated by `tools/zone_spawns.py` from Cobblemon's spawn data and `world/zones.json`; "
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"do not edit by hand. Each evolution line spawns in one zone; the stages listed are the ones "
|
||
"whose levels reach the zone's band. Pin a line to another zone in `world/zones.json` → "
|
||
"`species`.", ""]
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||
for zid, zone in zones.items():
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||
rows = sorted(report.get(zid, []))
|
||
lines_out += [f"## {zone['name']} (Lv {zone['levels'][0]}–{zone['levels'][1]}, {len(rows)} lines)", ""]
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||
lines_out += [", ".join(f"{root}" + (f" ({', '.join(n)})" if n != [root] else "") for root, n in rows) or "none", ""]
|
||
lines_out += ["## Alpha guardians", "",
|
||
f"One per zone at its sample point, uncatchable, five levels above the band; it returns "
|
||
f"{plan['guardian_respawn_hours']} hours after it is beaten. Its drops help with the next zone.", "",
|
||
"| Zone | Guardian | Level | Drops |", "| --- | --- | --- | --- |"]
|
||
for zid, species_name in guardians.items():
|
||
zone = zones[zid]
|
||
drop_text = ", ".join(f"{count}× {item.split(':')[1]}" for item, count in zone["guardian"]["drops"])
|
||
lines_out.append(f"| {zone['name']} | {species[f'cobblemon:{species_name}']['name'] if f'cobblemon:{species_name}' in species else species_name} "
|
||
f"| {zone['levels'][1] + GUARDIAN_LEVELS_ABOVE_BAND} | {drop_text} |")
|
||
REPORT.write_text("\n".join(lines_out) + "\n")
|
||
|
||
unplaced = [r for r in lines if r not in home]
|
||
grounded = sorted(species.get(r, {}).get("name", r) for r in unplaced if r in flying_lines)
|
||
if grounded:
|
||
print(f"strong flyers kept out of the wild (no high zone fits their habitat): {', '.join(grounded)}")
|
||
for zid, zone in zones.items():
|
||
print(f" {zone['name']:18s} {len(report.get(zid, [])):3d} lines {len(pools.get(zid, [])):4d} spawn entries")
|
||
print(f"{len(home)} lines placed, {len(unplaced)} with no matching zone; wrote {OUT.relative_to(ROOT)} and {REPORT.relative_to(ROOT)}")
|
||
|
||
|
||
if __name__ == "__main__":
|
||
main()
|