134 lines
3.8 KiB
Python
134 lines
3.8 KiB
Python
from __future__ import annotations
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import random
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from typing import Any, Dict, List, Optional, Tuple
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def _pick_with_rng(rng: random.Random, arr: Any, fallback: str = "") -> str:
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if isinstance(arr, list) and arr:
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return str(rng.choice(arr))
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return fallback
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def _join_nonempty(parts: List[str]) -> str:
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return ", ".join([p.strip() for p in parts if p and p.strip()])
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def _seed_for(seed: int, tag: str) -> int:
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# deterministico, stabile tra run (a differenza di hash() che può variare)
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h = 0
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for ch in tag:
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h = (h * 31 + ord(ch)) & 0x7FFFFFFF
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return (seed ^ h) & 0x7FFFFFFF
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def _select_custom_intro(
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rng: random.Random,
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world: Dict[str, Any],
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mode: str = "auto",
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index: Optional[int] = None,
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) -> str:
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ci = world.get("CUSTOM_INTRO")
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if not isinstance(ci, dict) or not ci:
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return ""
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values = [str(v) for v in ci.values() if v is not None and str(v).strip()]
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if not values:
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return ""
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mode = (mode or "auto").lower().strip()
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if mode == "index":
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if index is None:
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return ""
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k = str(index)
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return str(ci.get(k, "")) if k in ci else ""
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if mode == "random":
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return str(rng.choice(values))
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# auto: prova 0..6, altrimenti random
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for k in ["0", "1", "2", "3", "4", "5", "6"]:
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if k in ci:
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return str(ci[k])
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return str(rng.choice(values))
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def build_prompt_from_world(
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world: Dict[str, Any],
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seed: int = 0,
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custom_intro_mode: str = "auto",
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custom_intro_index: Optional[int] = None,
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lock_camera: bool = True,
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) -> Tuple[str, str, str]:
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"""
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Returns: (prompt, system_prompt, director_notes)
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lock_camera:
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- True => camera selection uses a deterministic RNG derived from seed
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- False => camera selection uses the main RNG (varies with seed changes)
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"""
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# RNG principale per la maggior parte delle scelte
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base_rng = random.Random(seed)
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system_prompt = str(world.get("SYSTEM_PROMPT", "")).strip()
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custom_intro = _select_custom_intro(
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base_rng,
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world,
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mode=custom_intro_mode,
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index=custom_intro_index,
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)
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outfit = _pick_with_rng(base_rng, world.get("OUTFITS"), "simple dark outfit")
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lighting = _pick_with_rng(base_rng, world.get("LIGHTING"), "low ambient light")
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background = _pick_with_rng(base_rng, world.get("BACKGROUNDS"), "intimate interior")
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objects = _pick_with_rng(base_rng, world.get("OBJECTS"), "personal items")
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pose = _pick_with_rng(base_rng, world.get("POSES"), "relaxed pose")
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expression = _pick_with_rng(base_rng, world.get("EXPRESSIONS"), "calm expression")
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# Camera RNG separato (lock selettivo)
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camera_list = world.get("CAMERA_ANGLES")
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if lock_camera:
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camera_rng = random.Random(_seed_for(seed, "camera"))
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else:
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camera_rng = base_rng
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camera = _pick_with_rng(camera_rng, camera_list, "eye-level framing")
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atmosphere = _pick_with_rng(base_rng, world.get("ATMOSPHERES"), "quiet cinematic mood")
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accessory = _pick_with_rng(base_rng, world.get("ACCESSORIES"), "")
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prompt = _join_nonempty([
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custom_intro,
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outfit,
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lighting,
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background,
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objects,
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pose,
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expression,
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camera,
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atmosphere,
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accessory,
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])
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selections = {
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"custom_intro": custom_intro,
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"outfit": outfit,
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"lighting": lighting,
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"background": background,
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"objects": objects,
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"pose": pose,
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"expression": expression,
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"camera": camera,
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"atmosphere": atmosphere,
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"accessory": accessory,
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"lock_camera": str(lock_camera).lower(),
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}
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director_notes = "\n".join(
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[f"{k}: {v}" for k, v in selections.items() if v and str(v).strip()]
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).strip()
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return (prompt.strip(), system_prompt, director_notes)
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