File size: 3,134 Bytes
bf3b56a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 | """Random encounter generator: input handling, generation, rendering, export."""
import html
import random
import tempfile
from pathlib import Path
from .shared import ai_client
from .shared.ratelimit import RateLimiter
from .prompts import SCHEMA_SPEC, SYSTEM_PROMPT, DIFFICULTY_GUIDE, build_user_prompt
from .fixtures import FIXTURE_FALSE_LANTERNS
limiter = RateLimiter()
ENVIRONMENTS = [
"Forest", "Mountains", "Swamp", "Desert", "Arctic", "Coast", "Open Sea",
"Grassland", "Underdark", "Urban Streets", "Dungeon", "Graveyard", "Planar",
]
LEVELS = [str(n) for n in range(1, 21)]
PARTY_SIZES = [str(n) for n in range(2, 8)]
FLAVORS = ["Combat", "Social", "Exploration", "Mixed"]
DIFFICULTIES = list(DIFFICULTY_GUIDE.keys()) # Easy, Medium, Hard, Deadly
TIMES = ["Day", "Night", "Dawn/Dusk"]
MAX_FIELD = 300
MAX_NOTES = 800
def randomize():
"""Fill the core inputs with a random rollable combination."""
return (
random.choice(ENVIRONMENTS),
random.choice(LEVELS),
random.choice(FLAVORS),
random.choice(TIMES),
)
def _clip(value: str, limit: int) -> str:
return (value or "").strip()[:limit]
def generate(
environment, level, size, flavor, difficulty, time_of_day, notes,
request=None,
):
"""Returns (markdown, plain_text, download_path, error_message)."""
allowed, message = limiter.check(request)
if not allowed:
return None, None, None, message
difficulty = difficulty if difficulty in DIFFICULTY_GUIDE else "Medium"
level = level if str(level) in LEVELS else ""
size = size if str(size) in PARTY_SIZES else ""
flavor = flavor if flavor in FLAVORS else ""
time_of_day = time_of_day if time_of_day in TIMES else ""
fields = {
"Environment": _clip(environment, MAX_FIELD),
"Party level": str(level),
"Party size": str(size),
"Encounter flavor": flavor,
"Difficulty feel": difficulty,
"Time of day": time_of_day,
"DM notes": _clip(notes, MAX_NOTES),
}
user_prompt = build_user_prompt(fields) + "\n\n" + DIFFICULTY_GUIDE[difficulty]
try:
data = ai_client.generate_json(
SYSTEM_PROMPT, user_prompt, SCHEMA_SPEC,
fixture=FIXTURE_FALSE_LANTERNS,
)
except ai_client.AIUnavailable as exc:
return None, None, None, str(exc)
md = render_markdown(data)
path = Path(tempfile.mkdtemp()) / "dnd-encounter.md"
path.write_text(md, encoding="utf-8")
return md, md, str(path), None
def render_markdown(d: dict) -> str:
return f"""## {d['title']}
*{d['encounter_type']}*
### The Setup
{d['setup']}
### Composition
{d['composition']}
### Why They're Here
{d['motivation']}
### Terrain & Features
{d['terrain_and_features']}
### Complication
{d['complication']}
### Scaling It
{d['scaling_notes']}
### Outcome & Treasure
{d['outcome_and_treasure']}
### Follow-Up Hook
{d['followup_hook']}
"""
def render_error(message: str) -> str:
return (
'<div class="lf-output" role="alert" style="border-color:#A7343B;">'
f"<p>{html.escape(message)}</p></div>"
)
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