playerState.js

import { Dust, Fire, Splash } from './particles.js'

const states = {
        SITTING: 0,
        RUNNING: 1,
        JUMPING: 2,
        FALLING: 3,
        ROLLING: 4,
        DIVING: 5,
        HIT: 6
}

class State {
    constructor(state, game){
        this.state = state;
        this.game = game;
    }
}

export class Sitting extends State {
    constructor(game){
        super('SITTING', game);
    }
    enter(){
        this.game.player.frameX = 0;
        this.game.player.maxFrame = 4;
        this.game.player.frameY = 5;
    }
    handleInput(input){
        if(input.includes('ArrowLeft') || input.includes('ArrowRight')){
            this.game.player.setState(states.RUNNING, 1);
        } else if (input.includes('Enter')){
            this.game.player.setState(states.ROLLING, 2);
        }
    }
}

export class Running extends State {
    constructor(game){
        super('RUNNING', game);
    }
    enter(){
        this.game.player.frameX = 0;
        this.game.player.maxFrame = 8;
        this.game.player.frameY = 3;
    }
    handleInput(input){
        this.game.particles.unshift(new Dust(this.game, this.game.player.x+ this.game.player.width * 0.5 , this.game.player.y+ this.game.player.height));
        if(input.includes('ArrowDown')){
            this.game.player.setState(states.SITTING, 0);
        } else if (input.includes('ArrowUp')){
            this.game.player.setState(states.JUMPING, 1);
        } else if (input.includes('Enter')){
            this.game.player.setState(states.ROLLING, 2);
        }
    }
}

export class Jumping extends State {
    constructor(game){
        super('JUMPING',game);
    }
    enter(){
        this.game.player.frameX = 0;
        if (this.game.player.onGround()) this.game.player.vy -= 30;
        this.game.player.maxFrame = 6;
        this.game.player.frameY = 1;
    }
    handleInput(input){
        if(this.game.player.vy > this.game.player.weight){
            this.game.player.setState(states.FALLING, 1);
        } else if (input.includes('Enter')){
            this.game.player.setState(states.ROLLING, 2);
        } else if (input.includes('ArrowDown')){
            this.game.player.setState(states.DIVING, 0);
        }
    }
}

export class Falling extends State {
    constructor(game){
        super('FALLING', game);
    }
    enter(){
        this.game.player.frameX = 0;
        this.game.player.maxFrame = 6;
        this.game.player.frameY = 2;
    }
    handleInput(input){
        if(this.game.player.onGround()){
            this.game.player.setState(states.RUNNING, 1);
        } else if (input.includes('ArrowDown')){
            this.game.player.setState(states.DIVING, 0);
        }
    }
}

export class Rolling extends State {
    constructor(game){
        super('ROLLING', game);
    }
    enter(){
        this.game.player.frameX = 0;
        this.game.player.maxFrame = 6;
        this.game.player.frameY = 6;
    }
    handleInput(input){
        this.game.particles.unshift(new Fire(this.game, this.game.player.x+ this.game.player.width * 0.5 , this.game.player.y+ this.game.player.height*0.5));
        if(input.includes('Enter') && this.game.player.onGround()){
            this.game.player.setState(states.RUNNING, 1);
        } else if(!input.includes('Enter') && !this.game.player.onGround()){
            this.game.player.setState(states.FALLING, 1);
        } else if(input.includes('Enter') && input.includes('ArrowUp') &&this.game.player.onGround()){
            this.game.player.vy -= 27;
        } else if (input.includes('ArrowDown') && !this.game.player.onGround()){
            this.game.player.setState(states.DIVING, 0);
        }
    }
}

export class Diving extends State {
    constructor(game){
        super('DIVING', game);
    }
    enter(){
        this.game.player.frameX = 0;
        this.game.player.maxFrame = 6;
        this.game.player.frameY = 6;
        this.game.player.vy = 15;
    }
    handleInput(input){
        this.game.particles.unshift(new Fire(this.game, this.game.player.x+ this.game.player.width * 0.5 , this.game.player.y+ this.game.player.height*0.5));
        if(this.game.player.onGround()){
            this.game.player.setState(states.RUNNING, 1);
            for (let i = 0; i < 30; i++){
                this.game.particles.unshift(new Splash(this.game, this.game.player.x + this.game.player.width *0.5, this.game.player.y+ this.game.player.height));
            }
        } else if(input.includes('Enter') && this.game.player.onGround()){
            this.game.player.setState(states.ROLLING, 2);
        } 
    }
}

export class HIT extends State {
    constructor(game){
        super('HIT', game);
    }
    enter(){
        this.game.player.frameX = 0;
        this.game.player.maxFrame = 10;
        this.game.player.frameY = 4;        
    }
    handleInput(input){
        if(this.game.player.frameX >= 10 && this.game.player.onGround()){
            this.game.player.setState(states.RUNNING, 1);
        } else if(this.game.player.frameX >= 10 && !this.game.player.onGround()){
            this.game.player.setState(states.FALLING, 1);
        } 
    }
}