112 lines
2.8 KiB
JavaScript
112 lines
2.8 KiB
JavaScript
import { Sprite } from './sprite.js'
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import { ItemType, Rotation } from '../logic.js'
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const draw_players = (data, players, sprites) => {
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for (let id of players) {
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let pos = data.players[id].pos
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sprites[id].move(pos[0], pos[1])
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switch (data.players[id].move_rot) {
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case Rotation.NORTH:
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sprites[id].rotate(270)
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break
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case Rotation.EAST:
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sprites[id].rotate(0)
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break
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case Rotation.SOUTH:
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sprites[id].rotate(90)
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break
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case Rotation.WEST:
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sprites[id].rotate(180)
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break
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}
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}
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}
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const update_player_sprites = (data, players, sprites) => {
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for (const sprite of sprites) {
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if (sprite !== undefined) {
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sprite.destroy()
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}
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}
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let new_sprites = Array(players)
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new_sprites.fill(undefined)
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for (let id of players) {
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let sprite = new Sprite("/img/pac.png", data.map)
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sprite.layer(3)
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sprite.resize(1,1)
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sprite.show()
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new_sprites[id] = sprite
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}
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return new_sprites
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}
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const create_map_dot = (data, x, y) => {
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let dot = new Sprite("/img/dot.png", data.map)
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dot.move(x, y)
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dot.resize(.2,.2)
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dot.show()
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return dot
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}
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const update_item_sprites = (data, sprites) => {
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for (const sprite of sprites) {
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if (sprite !== undefined) {
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sprite.destroy()
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}
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}
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let item_sprites = {}
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for (let item_key in data.map.items) {
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let item = data.map.items[item_key]
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switch (item.type) {
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case ItemType.DOT:
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item_sprites[item_key] = create_map_dot(data, item.pos[0], item.pos[1])
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break;
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}
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}
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return item_sprites
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}
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export const startGraphicsUpdater = () => {
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let player_sprites = []
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let item_sprites = {}
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/**
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* @type {(data: import("../logic.js").GameState) => void}
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*/
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return (data) => {
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if (!data.map || !data.map.visible) return
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let players = Object.keys(data.players).filter(k => data.players[k] !== undefined)
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if (player_sprites.length !== players.length) {
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player_sprites = update_player_sprites(data, players, player_sprites)
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console.log("updating player sprites")
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}
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for (let item_key of data.items_eaten) {
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if (!(item_sprites[item_key])) continue
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item_sprites[item_key].destroy()
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delete item_sprites[item_key]
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delete data.items_eaten[item_key]
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}
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if (Object.keys(item_sprites).length !== Object.keys(data.map.items).length) {
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item_sprites = update_item_sprites(data, item_sprites)
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console.log("updating item sprites")
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}
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draw_players(data, players, player_sprites)
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}
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}
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