feat: add horror prompt library with severity tiers and voice texts
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Mortdecai
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"""Horror prompt library — severity-tiered SDXL prompts + XTTS voice texts."""
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import random
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# Negative prompt applied to all SDXL generations
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NEGATIVE_PROMPT = (
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"cheerful, bright, colorful, cartoon, anime, text, watermark, "
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"logo, signature, pleasant, happy, cute, well-lit, clean"
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)
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# (min_severity, [prompt_templates])
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# Each tier's prompts are available when severity >= min_severity.
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# Prompts use {detail} placeholder for procedural variation.
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SEVERITY_TIERS: list[tuple[float, list[str]]] = [
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(0.0, [
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"dark abstract void, deep shadows, {detail}, horror atmosphere, cinematic",
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"black fog rolling over dark water, {detail}, ominous, photorealistic",
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"concrete corridor stretching into darkness, {detail}, liminal space, unsettling",
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"dark gradient with subtle organic texture, {detail}, dread, macro photography",
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"abandoned room in total darkness, single light source, {detail}, eerie silence",
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"static noise pattern forming almost-shapes, {detail}, analog horror aesthetic",
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"deep underground cavern, no visible exit, {detail}, claustrophobic, dark",
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]),
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(1.0, [
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"distorted human face emerging from darkness, {detail}, uncanny valley, horror",
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"long dark hallway with a figure at the end, {detail}, found footage aesthetic",
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"room where the walls are slightly wrong, {detail}, liminal horror, photorealistic",
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"mirror reflection that doesn't match, {detail}, psychological horror",
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"staircase descending into impossible depth, {detail}, surreal horror",
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"doorway opening into a void, {detail}, threshold horror, dark atmosphere",
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"familiar room but every proportion is wrong, {detail}, dreamlike horror",
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]),
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(2.0, [
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"face melting into dark liquid, {detail}, body horror, visceral, photorealistic",
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"impossible architecture folding in on itself, {detail}, Escher nightmare, dark",
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"multiple overlapping faces fused together, {detail}, uncanny, disturbing",
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"corridor with too many doors, all slightly open, {detail}, psychological horror",
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"human figure with wrong number of limbs, {detail}, body horror, dark",
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"room full of eyes watching from every surface, {detail}, paranoid horror",
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"teeth growing from walls, {detail}, organic horror, visceral, photorealistic",
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]),
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(3.0, [
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"screaming void, flesh merging with architecture, {detail}, extreme body horror",
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"reality fracturing into bleeding shards, {detail}, cosmic horror, overwhelming",
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"mass of tangled human forms, {detail}, hellscape, Beksinski inspired, photorealistic",
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"sky replaced by a massive watching face, {detail}, cosmic dread, surreal",
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"ground made of writhing organic matter, {detail}, Giger inspired, dark",
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"impossible geometry that hurts to perceive, {detail}, Lovecraftian, extreme",
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"world turned inside out, organs as landscape, {detail}, visceral cosmic horror",
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]),
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]
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# Procedural detail fragments inserted into {detail} placeholders
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_DETAILS = [
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"wet surfaces", "rust and decay", "dim red light", "flickering fluorescent",
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"peeling paint", "fog and mist", "dripping liquid", "cracked surfaces",
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"organic growths", "shadow patterns", "reflected light on water",
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"dust particles", "cobwebs", "stained walls", "scratched metal",
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"condensation", "mold patterns", "burned edges", "frozen in time",
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"overlapping shadows", "single bare bulb", "moonlight through cracks",
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"bioluminescent", "blood-red sky", "green pallor", "bruise-purple tint",
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]
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# Whisper fragments — sentence fragments, numbers, names, nonsense
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_WHISPERS = [
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"seven", "behind you", "don't turn around", "it remembers",
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"the door", "counting", "almost time", "in the walls",
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"not alone", "watching", "three two one", "forgetting",
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"underneath", "the wrong room", "teeth", "it knows your name",
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"listen", "the sound", "nobody left", "opening",
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"he's here", "she won't stop", "the children", "below",
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"always here", "never gone", "the dark", "it follows",
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"coming closer", "just outside", "the mirror", "look",
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"run", "too late", "the floor", "above you",
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"inside", "the old house", "breathing", "footsteps",
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"scratching", "dripping", "humming", "whispers",
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"ha ha ha ha", "one two three four five", "again again again",
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"please", "help me", "let me in", "let me out",
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]
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# Direct address phrases — "it sees you" moments
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_DIRECT_ADDRESS = [
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"you're still here",
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"don't leave",
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"I can see you",
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"why",
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"stay",
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"you came back",
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"I've been waiting",
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"don't close your eyes",
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"you can't leave",
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"I know you're there",
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"look at me",
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"do you hear it",
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"it's behind you",
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"we see you",
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"you're one of us now",
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"don't you remember",
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"you were here before",
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"this is yours",
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"you did this",
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"welcome home",
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]
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def get_image_prompt(severity: float) -> str:
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"""Select and fill a horror prompt appropriate for the given severity.
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Higher severity unlocks more extreme prompt tiers.
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A random prompt is chosen from all available tiers, weighted toward
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the highest unlocked tier.
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"""
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available: list[tuple[float, str]] = []
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for threshold, templates in SEVERITY_TIERS:
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if severity >= threshold:
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for tmpl in templates:
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available.append((threshold, tmpl))
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if not available:
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available = [(0.0, t) for t in SEVERITY_TIERS[0][1]]
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# Weight toward higher tiers: tier_weight = 1 + tier_index
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tier_thresholds = sorted(set(t[0] for t in available))
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tier_map = {t: i + 1 for i, t in enumerate(tier_thresholds)}
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weights = [tier_map[threshold] for threshold, _ in available]
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_, template = random.choices(available, weights=weights, k=1)[0]
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detail = random.choice(_DETAILS)
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return template.format(detail=detail)
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def get_voice_text() -> str:
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"""Random whisper fragment for XTTS voice generation."""
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return random.choice(_WHISPERS)
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def get_direct_address_text() -> str:
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"""Random direct address phrase for 'it sees you' moments."""
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return random.choice(_DIRECT_ADDRESS)
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