Files
misode.github.io/src/app/components/previews/NoiseSettingsPreview.tsx
2022-03-11 00:05:24 +01:00

87 lines
3.1 KiB
TypeScript

import { useEffect, useMemo, useRef, useState } from 'preact/hooks'
import type { PreviewProps } from '.'
import { Btn, BtnInput, BtnMenu } from '..'
import { useLocale } from '../../contexts'
import { useCanvas } from '../../hooks'
import { getNoiseBlock, noiseSettings } from '../../previews'
import { CachedCollections, checkVersion } from '../../services'
import { randomSeed } from '../../Utils'
export const NoiseSettingsPreview = ({ data, shown, version }: PreviewProps) => {
const { locale } = useLocale()
const [seed, setSeed] = useState(randomSeed())
const [biome, setBiome] = useState('minecraft:plains')
const [biomeScale, setBiomeScale] = useState(0.2)
const [biomeDepth, setBiomeDepth] = useState(0.1)
const [autoScroll, setAutoScroll] = useState(false)
const [focused, setFocused] = useState<string | undefined>(undefined)
const offset = useRef(0)
const scrollInterval = useRef<number | undefined>(undefined)
const state = JSON.stringify([data, biomeScale, biomeDepth])
const size = data?.noise?.height ?? 256
const { canvas, redraw } = useCanvas({
size() {
return [size, size]
},
async draw(img) {
const options = { biome, biomeDepth, biomeScale, offset: offset.current, width: img.width, seed, version }
await noiseSettings(data, img, options)
},
async onDrag(dx) {
offset.current += dx * size
redraw()
},
async onHover(x, y) {
const worldX = Math.floor(x * size - offset.current)
const worldY = size - Math.max(1, Math.ceil(y * size)) + (data?.noise?.min_y ?? 0)
const block = getNoiseBlock(worldX, worldY)
setFocused(block ? `Y=${worldY} (${block.getName().path})` : `Y=${worldY}`)
},
onLeave() {
setFocused(undefined)
},
}, [state, seed])
useEffect(() => {
if (scrollInterval.current) {
clearInterval(scrollInterval.current)
}
if (shown) {
(async () => {
try {
await redraw()
if (autoScroll) {
scrollInterval.current = setInterval(() => {
offset.current -= 8
redraw()
}, 100) as any
}
} catch (e) {
throw e
}
})()
}
}, [state, seed, shown, biome, biomeScale, biomeDepth, autoScroll])
const allBiomes = useMemo(() => CachedCollections?.get('worldgen/biome') ?? [], [version])
return <>
<div class="controls preview-controls">
{focused && <Btn label={focused} class="no-pointer" />}
<BtnMenu icon="gear" tooltip={locale('terrain_settings')}>
{checkVersion(version, undefined, '1.17') ? <>
<BtnInput label={locale('preview.scale')} value={`${biomeScale}`} onChange={v => setBiomeScale(Number(v))} />
<BtnInput label={locale('preview.depth')} value={`${biomeDepth}`} onChange={v => setBiomeDepth(Number(v))} />
</> :
<BtnInput label={locale('preview.biome')} value={biome} onChange={setBiome} dataList={allBiomes} larger />
}
<Btn icon={autoScroll ? 'square_fill' : 'square'} label={locale('preview.auto_scroll')} onClick={() => setAutoScroll(!autoScroll)} />
</BtnMenu>
<Btn icon="sync" tooltip={locale('generate_new_seed')}
onClick={() => setSeed(randomSeed())} />
</div>
<canvas ref={canvas} width={size} height={size}></canvas>
</>
}