78 lines
2.5 KiB
TypeScript
78 lines
2.5 KiB
TypeScript
import mitt from 'mitt'
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import { playSFX } from './sfx-player'
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/**
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* SFX-specific events that tools can trigger
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*/
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type SFXEvents = {
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'sfx:grid-snap': undefined
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'sfx:item-delete': undefined
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'sfx:item-pick': undefined
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'sfx:item-place': undefined
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'sfx:item-rotate': undefined
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'sfx:resize': undefined
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'sfx:structure-build-start': undefined
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'sfx:structure-build': undefined
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'sfx:structure-delete': undefined
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'sfx:snapshot-capture': undefined
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'sfx:menu-hover': undefined
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'sfx:menu-click': undefined
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'sfx:paint-apply': undefined
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}
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/**
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* Dedicated event emitter for SFX
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* Tools should use this to trigger sound effects
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*/
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export const sfxEmitter = mitt<SFXEvents>()
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let sfxBusInitialized = false
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/**
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* Initialize SFX Bus - connects SFX events to actual sound playback.
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* Safe to call multiple times; re-registration is a no-op once initialized.
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*/
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export function initSFXBus() {
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if (sfxBusInitialized) return
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sfxBusInitialized = true
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// Map SFX events to sound playback
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sfxEmitter.on('sfx:grid-snap', () => playSFX('gridSnap'))
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sfxEmitter.on('sfx:item-delete', () => playSFX('itemDelete'))
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sfxEmitter.on('sfx:item-pick', () => playSFX('itemPick'))
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sfxEmitter.on('sfx:item-place', () => playSFX('itemPlace'))
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sfxEmitter.on('sfx:item-rotate', () => playSFX('itemRotate'))
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sfxEmitter.on('sfx:resize', () => playSFX('resize'))
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sfxEmitter.on('sfx:structure-build-start', () => playSFX('structureBuildStart'))
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sfxEmitter.on('sfx:structure-build', () => playSFX('structureBuildEnd'))
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sfxEmitter.on('sfx:structure-delete', () => playSFX('structureDelete'))
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sfxEmitter.on('sfx:snapshot-capture', () => playSFX('snapshotCapture'))
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sfxEmitter.on('sfx:menu-hover', () => playSFX('menuHover'))
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sfxEmitter.on('sfx:menu-click', () => playSFX('menuClick'))
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sfxEmitter.on('sfx:paint-apply', () => playSFX('paintApply'))
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}
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/**
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* Helper function to trigger SFX events from tools
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* @example
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* triggerSFX('sfx:item-place')
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*/
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export function triggerSFX(event: keyof SFXEvents) {
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sfxEmitter.emit(event)
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}
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/**
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* Node types whose deletion should use the lighter item-delete cue rather
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* than the heavier structure-delete one. Shelves are furniture-like placeable
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* objects, so they sound like items being removed, not structures demolished.
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*/
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const ITEM_DELETE_NODE_TYPES = new Set(['item', 'shelf'])
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/**
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* Emit the delete SFX appropriate for a deleted node's type.
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*/
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export function emitDeleteSFX(nodeType: string | undefined) {
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sfxEmitter.emit(
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nodeType && ITEM_DELETE_NODE_TYPES.has(nodeType) ? 'sfx:item-delete' : 'sfx:structure-delete',
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)
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}
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