Files
MonoGame.Extended/Source/Demos/Platformer/Systems/PlayerSystem.cs
T

119 lines
4.0 KiB
C#

using System;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Input;
using MonoGame.Extended;
using MonoGame.Extended.Animations;
using MonoGame.Extended.Entities;
using MonoGame.Extended.Entities.Systems;
using MonoGame.Extended.Input;
using Platformer.Collisions;
using Platformer.Components;
namespace Platformer.Systems
{
public class PlayerSystem : EntityProcessingSystem
{
private ComponentMapper<Player> _playerMapper;
private ComponentMapper<AnimatedSprite> _spriteMapper;
private ComponentMapper<Transform2> _transformMapper;
private ComponentMapper<Body> _bodyMapper;
public PlayerSystem()
: base(Aspect.All(typeof(Body), typeof(Player), typeof(Transform2), typeof(AnimatedSprite)))
{
}
public override void Initialize(IComponentMapperService mapperService)
{
_playerMapper = mapperService.GetMapper<Player>();
_spriteMapper = mapperService.GetMapper<AnimatedSprite>();
_transformMapper = mapperService.GetMapper<Transform2>();
_bodyMapper = mapperService.GetMapper<Body>();
}
public override void Process(GameTime gameTime, int entityId)
{
var player = _playerMapper.Get(entityId);
var sprite = _spriteMapper.Get(entityId);
var transform = _transformMapper.Get(entityId);
var body = _bodyMapper.Get(entityId);
var keyboardState = KeyboardExtended.GetState();
if (player.CanJump)
{
if (keyboardState.WasKeyJustUp(Keys.Up))
body.Velocity.Y -= 550 + Math.Abs(body.Velocity.X) * 0.4f;
if (keyboardState.WasKeyJustUp(Keys.Z))
{
body.Velocity.Y -= 550 + Math.Abs(body.Velocity.X) * 0.4f;
player.State = player.State == State.Idle ? State.Punching : State.Kicking;
}
}
if (keyboardState.IsKeyDown(Keys.Right))
{
body.Velocity.X += 150;
player.Facing = Facing.Right;
}
if (keyboardState.IsKeyDown(Keys.Left))
{
body.Velocity.X -= 150;
player.Facing = Facing.Left;
}
if (!player.IsAttacking)
{
if (body.Velocity.X > 0 || body.Velocity.X < 0)
player.State = State.Walking;
if (body.Velocity.Y < 0)
player.State = State.Jumping;
if (body.Velocity.Y > 0)
player.State = State.Falling;
if (body.Velocity.EqualsWithTolerence(Vector2.Zero, 5))
player.State = State.Idle;
}
if (keyboardState.IsKeyDown(Keys.Down))
player.State = State.Cool;
switch (player.State)
{
case State.Jumping:
sprite.Play("jump");
break;
case State.Walking:
sprite.Play("walk");
sprite.Effect = player.Facing == Facing.Right ? SpriteEffects.None : SpriteEffects.FlipHorizontally;
break;
case State.Falling:
sprite.Play("fall");
break;
case State.Idle:
sprite.Play("idle");
break;
case State.Kicking:
sprite.Play("kick", () => player.State = State.Idle);
break;
case State.Punching:
sprite.Play("punch", () => player.State = State.Idle);
break;
case State.Cool:
sprite.Play("cool");
break;
default:
throw new ArgumentOutOfRangeException();
}
body.Velocity.X *= 0.7f;
// TODO: Can we remove this?
//transform.Position = body.Position;
}
}
}