89 lines
4.0 KiB
TypeScript
89 lines
4.0 KiB
TypeScript
// ═══════════════════════════════════════════════════════════════
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// Gameplay constants — all tunable magic numbers in one place
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// ═══════════════════════════════════════════════════════════════
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// --- Performance mode ---
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const PERF_KEY = 'bf_perf_mode'
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function detectLowEnd(): boolean {
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if (typeof navigator === 'undefined') return false
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const cores = navigator.hardwareConcurrency || 4
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const mobile = navigator.maxTouchPoints > 0
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return cores < 4 || mobile
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}
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function loadPerfPref(): boolean | null {
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try {
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const v = localStorage.getItem(PERF_KEY)
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if (v === '1') return true
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if (v === '0') return false
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} catch {}
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return null
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}
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let _perfMode = loadPerfPref() ?? detectLowEnd()
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export function isPerfMode(): boolean { return _perfMode }
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export function setPerfMode(on: boolean): void {
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_perfMode = on
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try { localStorage.setItem(PERF_KEY, on ? '1' : '0') } catch {}
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}
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/** Scale a particle count down in performance mode (40%) or reduced motion (20%) */
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export function perfParticles(count: number): number {
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if (_reducedMotion) return Math.max(1, Math.round(count * 0.2))
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return _perfMode ? Math.max(1, Math.round(count * 0.4)) : count
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}
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// --- Reduced motion ---
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const _reducedMotion = typeof window !== 'undefined'
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? window.matchMedia('(prefers-reduced-motion: reduce)').matches
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: false
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export function isReducedMotion(): boolean { return _reducedMotion }
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// --- Haptic feedback ---
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export function haptic(ms: number = 50): void {
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try { navigator?.vibrate?.(ms) } catch { /* no vibration support */ }
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}
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// --- Choreography selection probabilities ---
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export const CREATOR_ULTIMATE_CHANCE = 0.5 // Creator ultimate chance (non-crit); 1.0 on crits
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export const CREATOR_THEMED_MOVE_RATIO = 0.6 // Creator uses creator-themed moves 60% of the time
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export const CRIT_THEMED_RATIO = 0.5 // On crits: 50% themed, 50% epic generic
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export const CHOREOGRAPHY_THEMED_RATIO = 0.6 // Normal: 60% themed
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export const CHOREOGRAPHY_GENERIC_CUTOFF = 0.85 // Normal: 25% generic (0.60–0.85), 15% wild (0.85–1.0)
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// --- Tier-gated ultimate chances ---
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export const TIER_ULTIMATE_CHANCES: Record<number, number> = {
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2: 0.15,
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3: 0.20,
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4: 0.30,
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5: 0.40,
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}
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// --- Morph system ---
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export const CREATOR_MORPH_CRIT_CHANCE = 0.7 // Creator morphs on devastating crits 70%
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export const CREATOR_MORPH_INTENSITY_THRESHOLD = 0.6 // Creator morphs when intensity > 0.6
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export const BOT_MORPH_CRIT_CHANCE = 0.4 // Regular bots morph on devastating crits 40%
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export const BOT_MORPH_INTENSITY_THRESHOLD = 0.7 // Regular bots morph when intensity > 0.7
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// --- Creator cameo ---
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export const CREATOR_CAMEO_CHANCE = 0.06 // 6% per round in non-creator fights
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// --- Round exchange probabilities ---
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export const DODGE_CHANCE = 0.12 // Defender dodges instead of being hit
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export const COUNTER_ATTACK_CHANCE = 0.25 // Defender counters after getting hit
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export const SCANLINE_GLITCH_CHANCE = 0.25 // Random scanline glitch during exchanges
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export const COMEDY_SFX_CHANCE = 0.15 // Comedy sound on non-decisive hits
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export const PHYSICAL_CONTACT_BASE = 0.35 // Base chance for brawl/clinch
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export const PHYSICAL_CONTACT_INTENSITY_SCALE = 0.2 // Added per unit of intensity
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export const PHYSICAL_CONTACT_EXCHANGE_BONUS = 0.15 // Added after first exchange
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export const CROWD_REACTION_CHANCE = 0.4 // Crowd reacts to round results
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export const MAYBE_SHOW_HUMAN_CHANCE = 0.2 // Show human coach
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export const CREATOR_VOICE_LINE_CHANCE = 0.6 // Creator gets a voice line
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// --- Hyperdetail (grotesque close-up) ---
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export const HYPERDETAIL_BASE_CHANCE = 0.05 // Base hyperdetail chance
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export const HYPERDETAIL_INTENSITY_SCALE = 0.45 // Scales with intensity
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