Struct EmotionalStateRing 

pub struct EmotionalStateRing {
    pub current: [f32; 21],
    pub ring: Vec<[f32; 21]>,
    pub last_update: u64,
    pub total_updates: u64,
    /* private fields */
}

Persistent running emotional state with ring buffer history.

Fields

current: [f32; 21]

Current blended 21D emotional state vector.

ring: Vec<[f32; 21]>

Ring buffer of recent raw emotion vectors.

last_update: u64

Unix ms of last update.

total_updates: u64

Total lifetime updates.

Implementations

impl EmotionalStateRing

pub fn load_or_init(output_dir: &Path) -> Self

Load from disk or return a fresh neutral state.

pub fn save(&self, output_dir: &Path) -> Result<(), String>

Save to disk.

pub fn update(&mut self, emotion: &[f32; 21], importance: u8)

Update the emotional state with a new incoming emotion vector. Importance scales the blend: higher importance = stronger influence.

pub fn decay(&mut self)

Apply time-based decay toward neutral. Call once per session or periodically.

pub fn intensity(&self) -> f32

The magnitude (L2 norm) of the current emotional state.

pub fn is_active(&self) -> bool

Returns true if the current state is strong enough to prime recall.

pub fn dominant(&self) -> Option<(&'static str, f32)>

Get the dominant emotion dimension name and value.

pub fn recent_trend(&self) -> [f32; 21]

Compute the average emotion over the ring buffer (recent trend).

Trait Implementations

impl Default for EmotionalStateRing

fn default() -> Self

Returns the “default value” for a type.