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import PropTypes from 'prop-types'
import React, { useEffect, useState } from 'react'
import { Layer } from 'react-konva'
import HoverTile from '../elements/HoverTile'
import { TILE_SIZE_IN_PIXELS } from '../MapConstants'
function HoverLayerComponent({ mouseX, mouseY, mapPosition, mapScale, isEnabled, isValid, onClick, children }) {
const [pos, setPos] = useState([-1, -1])
const [x, y] = pos
const [valid, setValid] = useState(false)
useEffect(() => {
if (!isEnabled()) {
return
}
const positionX = Math.floor((mouseX - mapPosition.x) / (mapScale * TILE_SIZE_IN_PIXELS))
const positionY = Math.floor((mouseY - mapPosition.y) / (mapScale * TILE_SIZE_IN_PIXELS))
if (positionX !== x || positionY !== y) {
setPos([positionX, positionY])
setValid(isValid(positionX, positionY))
}
}, [mouseX, mouseY, mapPosition, mapScale])
if (!isEnabled()) {
return <Layer />
}
const pixelX = mapScale * x * TILE_SIZE_IN_PIXELS + mapPosition.x
const pixelY = mapScale * y * TILE_SIZE_IN_PIXELS + mapPosition.y
return (
<Layer opacity={0.6}>
<HoverTile
pixelX={pixelX}
pixelY={pixelY}
scale={mapScale}
isValid={valid}
onClick={() => (valid ? onClick(x, y) : undefined)}
/>
{children
? React.cloneElement(children, {
pixelX,
pixelY,
scale: mapScale,
})
: undefined}
</Layer>
)
}
HoverLayerComponent.propTypes = {
mouseX: PropTypes.number.isRequired,
mouseY: PropTypes.number.isRequired,
mapPosition: PropTypes.object.isRequired,
mapScale: PropTypes.number.isRequired,
isEnabled: PropTypes.func.isRequired,
isValid: PropTypes.func.isRequired,
onClick: PropTypes.func.isRequired,
}
export default HoverLayerComponent
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