mirror of
https://github.com/PrismarineJS/prismarine-web-client.git
synced 2024-11-27 18:15:46 -05:00
108 lines
3.8 KiB
JavaScript
108 lines
3.8 KiB
JavaScript
/* global THREE performance */
|
|
|
|
const { Vec3 } = require('vec3')
|
|
|
|
class Cursor {
|
|
constructor (viewer, renderer, bot) {
|
|
// Init state
|
|
this.buttons = [false, false, false]
|
|
this.lastButtons = [false, false, false]
|
|
this.breakStartTime = 0
|
|
this.cursorBlock = null
|
|
|
|
// Setup graphics
|
|
const blockGeometry = new THREE.BoxGeometry(1.001, 1.001, 1.001)
|
|
this.cursorMesh = new THREE.LineSegments(new THREE.EdgesGeometry(blockGeometry), new THREE.LineBasicMaterial({ color: 0 }))
|
|
this.cursorMesh.visible = false
|
|
viewer.scene.add(this.cursorMesh)
|
|
|
|
const loader = new THREE.TextureLoader()
|
|
this.breakTextures = []
|
|
for (let i = 0; i < 10; i++) {
|
|
const texture = loader.load('textures/' + viewer.version + '/blocks/destroy_stage_' + i + '.png')
|
|
texture.magFilter = THREE.NearestFilter
|
|
texture.minFilter = THREE.NearestFilter
|
|
this.breakTextures.push(texture)
|
|
}
|
|
const breakMaterial = new THREE.MeshBasicMaterial({
|
|
transparent: true,
|
|
blending: THREE.MultiplyBlending
|
|
})
|
|
this.blockBreakMesh = new THREE.Mesh(blockGeometry, breakMaterial)
|
|
this.blockBreakMesh.visible = false
|
|
this.blockBreakMesh.renderOrder = 999
|
|
viewer.scene.add(this.blockBreakMesh)
|
|
|
|
// Setup events
|
|
document.addEventListener('mouseup', (e) => {
|
|
this.buttons[e.button] = false
|
|
})
|
|
document.addEventListener('mousedown', (e) => {
|
|
if (document.pointerLockElement !== renderer.domElement) return
|
|
this.buttons[e.button] = true
|
|
})
|
|
this.lastPlaced = 4 // ticks since last placed
|
|
bot.on('physicsTick', () => { if (this.lastPlaced < 4) this.lastPlaced++ })
|
|
}
|
|
|
|
update (bot) {
|
|
let cursorBlock = bot.blockAtCursor(6)
|
|
if (!bot.canDigBlock(cursorBlock)) cursorBlock = null
|
|
|
|
let cursorChanged = !cursorBlock !== !this.cursorBlock
|
|
if (cursorBlock && this.cursorBlock) {
|
|
cursorChanged = !cursorBlock.position.equals(this.cursorBlock.position)
|
|
}
|
|
|
|
// Place
|
|
if (cursorBlock && this.buttons[2] && (!this.lastButtons[2] || cursorChanged) && this.lastPlaced >= 4) {
|
|
const vecArray = [new Vec3(0, -1, 0), new Vec3(0, 1, 0), new Vec3(0, 0, -1), new Vec3(0, 0, 1), new Vec3(-1, 0, 0), new Vec3(1, 0, 0)]
|
|
const delta = cursorBlock.intersect.minus(cursorBlock.position)
|
|
bot._placeBlockWithOptions(cursorBlock, vecArray[cursorBlock.face], { delta, forceLook: 'ignore' })
|
|
bot.lastPlaced = 0
|
|
}
|
|
|
|
// Start break
|
|
if (cursorBlock && this.buttons[0] && (!this.lastButtons[0] || cursorChanged)) {
|
|
this.breakStartTime = performance.now()
|
|
try {
|
|
bot.dig(cursorBlock, 'ignore')
|
|
} catch (e) {} // we don't care if its aborted
|
|
}
|
|
|
|
// Stop break
|
|
if (!this.buttons[0] && this.lastButtons[0]) {
|
|
try {
|
|
bot.stopDigging() // this shouldnt throw anything...
|
|
} catch (e) {} // to be reworked in mineflayer, then remove the try here
|
|
}
|
|
|
|
// Show break animation
|
|
if (cursorBlock && this.buttons[0]) {
|
|
const elapsed = performance.now() - this.breakStartTime
|
|
const time = bot.digTime(cursorBlock)
|
|
const state = Math.floor((elapsed / time) * 10)
|
|
this.blockBreakMesh.position.set(cursorBlock.position.x + 0.5, cursorBlock.position.y + 0.5, cursorBlock.position.z + 0.5)
|
|
this.blockBreakMesh.material.map = this.breakTextures[state]
|
|
this.blockBreakMesh.visible = true
|
|
} else {
|
|
this.blockBreakMesh.visible = false
|
|
}
|
|
|
|
// Show cursor
|
|
if (!cursorBlock) {
|
|
this.cursorMesh.visible = false
|
|
} else {
|
|
this.cursorMesh.visible = true
|
|
this.cursorMesh.position.set(cursorBlock.position.x + 0.5, cursorBlock.position.y + 0.5, cursorBlock.position.z + 0.5)
|
|
}
|
|
|
|
// Update state
|
|
this.cursorBlock = cursorBlock
|
|
this.lastButtons[0] = this.buttons[0]
|
|
this.lastButtons[1] = this.buttons[1]
|
|
this.lastButtons[2] = this.buttons[2]
|
|
}
|
|
}
|
|
|
|
module.exports = Cursor
|