115 lines
3.0 KiB
JavaScript
115 lines
3.0 KiB
JavaScript
import { ctx } from './canvas'
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import { PhysicsEntity, ItemEntity } from './entity'
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import { ItemStack } from './items'
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import { Inventory } from './inventory'
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import Input from './input'
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class Player extends PhysicsEntity {
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constructor (x, y, w, h) {
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super(x, y, w, h)
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this.speed = 4
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this.gravity = 0.5
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this.jumpPower = 10
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this.inv = new Inventory(9)
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this.itemPickUpDistance = 40
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}
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handleTool (dt, vp, world) {
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let mabs = { x: Input.mouse.pos.x + vp.x, y: Input.mouse.pos.y + vp.y }
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let mpin = world.gridPosition(mabs)
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if (Input.mouse['btn0']) {
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if (mpin.chunk) {
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if (this.inv.isEmpty(this.inv.selected)) return
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let tile = mpin.chunk.getTile('fg', mpin.tile)
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if (tile !== -1) return
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let itm = this.inv.getItem(this.inv.selected)
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if (itm && itm.item.placeable) {
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let success = mpin.chunk.setTile('fg', mpin.tile, itm.item.placeable.id)
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if (success) {
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this.inv.takeItem(this.inv.selected, 1)
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}
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}
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}
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} else if (Input.mouse['btn2']) {
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if (mpin.chunk) {
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let layer = mpin.chunk.getLayer('fg')
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let tile = layer.tileAtXY(mpin.tile.x, mpin.tile.y)
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if (tile === -1) return
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let itile = layer.map.getTileByID(tile)
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let success = mpin.chunk.setTile('fg', mpin.tile, layer.map.indexOf('AIR'))
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if (success) {
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let e = ItemEntity.new(ItemStack.new(itile.item, 1), mabs.x - 8, mabs.y - 8)
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let p = world.getLayer('ents')
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p.entities.push(e)
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}
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}
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}
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}
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handleMovement (dt, vp, world) {
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this.mY += this.gravity
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if (Input.isDown('a')) {
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this.mX = -this.speed
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} else if (Input.isDown('d')) {
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this.mX = this.speed
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} else {
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this.mX = 0
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}
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if (this.grounded && (Input.isDown('w') || Input.isDown('space'))) {
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this.mY = -this.jumpPower
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}
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this.moveAndSlide(world)
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vp.x = parseInt(this.x - vp.width / 2)
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vp.y = parseInt(this.y - vp.height / 2)
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}
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handleInventory () {
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for (let i = 0; i < this.inv.size; i++) {
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let pressed = Input.isPressed(i + 1)
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if (pressed) {
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this.inv.selected = i
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break
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}
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}
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}
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pickUp (itemEntity) {
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let istr = itemEntity.istr
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let istack = ItemStack.new(istr)
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this.inv.addItem(istack)
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itemEntity.dead = true
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}
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handleWorldEntities (dt, vp, world) {
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let entities = world.getLayer('ents')
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if (!entities) return
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let active = entities.getActiveEntities(vp, world)
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for (let i in active) {
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let ent = active[i]
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if (!(ent instanceof ItemEntity)) continue
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if (ent.distance(this) > this.itemPickUpDistance) continue
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this.pickUp(ent)
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}
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}
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update (dt, vp, world) {
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this.handleTool(dt, vp, world)
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this.handleWorldEntities(dt, vp, world)
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this.handleInventory()
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this.handleMovement(dt, vp, world)
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}
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draw (vp) {
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ctx.fillStyle = '#f00'
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ctx.fillRect(this.x - vp.x, this.y - vp.y, this.width, this.height)
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this.inv.draw()
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}
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}
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export default Player
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