export const TILE_SIZE = 48;
export const WORLD_WIDTH = 64;
export const WORLD_HEIGHT = 64;
export const TICK_RATE = 10; // server ticks per second
export const MOVE_SPEED = 0.75; // tiles per tick (NPC movement speed)
export const BROADCAST_EVERY_N_TICKS = 3; // state broadcast frequency
export const SPRITE_FRAME_WIDTH = 48;
export const SPRITE_FRAME_HEIGHT = 48;
export const SPRITE_COLS = 6;
export const SPRITE_ROWS = 4;
// NPC needs
export const HUNGER_DECAY_PER_TICK = 0.05;
export const ENERGY_DECAY_PER_TICK = 0.03;
export const HUNGER_THRESHOLD = 30;
export const THIRST_DECAY_PER_TICK = 0.05;
export const THIRST_THRESHOLD = 30;
export const ENERGY_THRESHOLD = 20;
export const NEED_RECOVERY_RATE = 0.5;
// Sleep system
export const SLEEP_ENERGY_RECOVERY_PER_TICK = 0.048; // ~80 energy over one night (~1667 ticks)
export const SLEEP_HUNGER_DECAY_MULTIPLIER = 0.5; // hunger decays at half rate while sleeping
export const SLEEP_WAKE_THRESHOLD = 85; // energy level where waking chance begins
export const SLEEP_VOLUNTARY_ENERGY_THRESHOLD = 60; // nighttime voluntary sleep threshold
export const NAP_BUFFER = 15; // energy buffer above minimum for daytime naps
export const SLEEP_NIGHT_START = 0.667; // gameTime when night begins (DAY_HOURS/TOTAL_HOURS)
// Productivity need
export const PRODUCTIVITY_DECAY_PER_TICK = 0.02;
export const PRODUCTIVITY_THRESHOLD = 40;
export const PRODUCTIVITY_RECOVERY_RATE = 0.5;
// Day/night cycle
export const DAY_NIGHT_RATIO = 2; // day is 2x as long as night
export const DAY_HOURS = 12; // game hours of daytime
export const NIGHT_HOURS = DAY_HOURS / DAY_NIGHT_RATIO; // 6 hours of night
export const TOTAL_HOURS = DAY_HOURS + NIGHT_HOURS; // 18 hours total cycle
export const SUNSET_DURATION_HOURS = 1; // game hours for sunset transition
export const SUNRISE_DURATION_HOURS = 1; // game hours for sunrise transition
export const NIGHT_DARKNESS = 0.45; // max overlay opacity (0-1)
// Directions (row index in spritesheet)
export const Direction = {
    DOWN: 0,
    LEFT: 1,
    UP: 2,
    RIGHT: 3,
};
// Accessory slot names in z-order (bottom to top rendering)
export const ACCESSORY_SLOTS = [
    'bottom', 'feet', 'chest', 'arm', 'shoulder',
    'waist', 'back', 'facialHair', 'haircut', 'hat',
];
// Portrait-only slots (facial features for close-up portraits)
export const PORTRAIT_SLOTS = ['brows', 'eyes', 'mouths'];
// Mapping from sprite accessory slot names to portrait folder names
// (some folders are pluralized in the portrait assets)
export const SPRITE_TO_PORTRAIT_FOLDER = {
    arm: 'arms',
    back: 'back',
    bottom: 'bottom',
    chest: 'chest',
    facialHair: 'facialHair',
    // feet: no portrait equivalent
    haircut: 'haircuts',
    hat: 'hats',
    shoulder: 'shoulders',
    waist: 'waist',
};
// Social interactions
export const AWARENESS_RADIUS = 5; // Manhattan distance in tiles
export const FACING_DURATION = 10; // ticks (1s)
export const PAUSING_DURATION = 15; // ticks (1.5s)
export const EMOTING_DURATION = 20; // ticks (2s)
export const SOCIAL_GLOBAL_COOLDOWN = 75; // ticks (7.5s)
export const SOCIAL_PAIR_COOLDOWN = 450; // ticks (45s)
export const PROPOSAL_EMOTING_DURATION = 30; // 3 seconds - longer for dramatic effect
// Camera mode commands
export const MAX_NPC_COUNT = 50;
// Terrain types for procedural map
export const Terrain = {
    GRASS: 0,
    WATER: 1,
    DIRT: 2,
    STONE: 3,
};
// LPC tileset constants (32x32 tiles scaled 1.5x to match TILE_SIZE=48)
export const TILESET_TILE_SIZE = 32;
export const LPC_COLS = 3; // terrain tilesets are 3 cols wide (96px / 32px)
export const TILESET_SCALE = TILE_SIZE / TILESET_TILE_SIZE; // 1.5
export const TREE_TILESET_COLS = 8; // treesnstone.png is 8 cols wide (256px / 32px)
// Berry plant spritesheet (berries.png): 3 cols x 2 rows, 32x32 tiles
// Each phase is 1 col wide, 2 rows tall (top foliage + bottom trunk)
export const BERRY_COLS = 3;
export const BerryPhase = {
    GROWING: 0, // col 0: developing berries
    RIPE: 1, // col 1: full red berries, ready to pick
    PICKED: 2, // col 2: bare plant, regrowing
};