131 lines
4.2 KiB
C#
131 lines
4.2 KiB
C#
using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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using Godot;
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namespace Mr.BrickAdventures.scripts.components;
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[GlobalClass]
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public partial class PlayerController : CharacterBody2D
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{
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[Export] private Node MovementAbilitiesContainer { get; set; }
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[ExportGroup("Movement Ability Scenes")]
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[Export] public PackedScene GroundMovementScene { get; set; }
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[Export] public PackedScene JumpMovementScene { get; set; }
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[Export] public PackedScene GravityScene { get; set; }
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[Export] public PackedScene OneWayPlatformScene { get; set; }
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[Export] public PackedScene SpaceshipMovementScene { get; set; }
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[Export] public PackedScene WallJumpScene { get; set; }
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[Signal] public delegate void JumpInitiatedEventHandler();
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[Signal] public delegate void MovementAbilitiesChangedEventHandler();
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public Vector2 LastDirection { get; private set; } = Vector2.Right;
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public Vector2 PreviousVelocity { get; private set; } = Vector2.Zero;
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private List<MovementAbility> _abilities = [];
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private PlayerInputHandler _inputHandler;
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public IReadOnlyList<MovementAbility> GetActiveAbilities() => _abilities;
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public override void _Ready()
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{
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_inputHandler = GetNode<PlayerInputHandler>("PlayerInputHandler");
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foreach (var child in MovementAbilitiesContainer.GetChildren())
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{
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if (child is MovementAbility ability)
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{
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ability.Initialize(this);
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_abilities.Add(ability);
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}
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}
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_ = ConnectJumpAndGravityAbilities();
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EmitSignalMovementAbilitiesChanged();
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}
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public override void _PhysicsProcess(double delta)
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{
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var velocity = Velocity;
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foreach (var ability in _abilities)
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{
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velocity = ability.ProcessMovement(velocity, delta);
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}
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if (_inputHandler.MoveDirection.X != 0)
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{
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LastDirection = new Vector2(_inputHandler.MoveDirection.X > 0 ? 1 : -1, 0);
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}
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PreviousVelocity = Velocity;
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Velocity = velocity;
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MoveAndSlide();
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}
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public void AddAbility(MovementAbility ability)
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{
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MovementAbilitiesContainer.AddChild(ability);
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ability.Initialize(this);
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_abilities.Add(ability);
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}
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private void ClearMovementAbilities()
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{
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foreach (var ability in _abilities)
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{
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ability.QueueFree();
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}
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_abilities.Clear();
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}
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public void RemoveAbility<T>() where T : MovementAbility
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{
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for (var i = _abilities.Count - 1; i >= 0; i--)
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{
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if (_abilities[i] is T)
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{
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var ability = _abilities[i];
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_abilities.RemoveAt(i);
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ability.QueueFree();
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break;
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}
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}
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}
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public void SetPlatformMovement()
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{
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ClearMovementAbilities();
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if (GroundMovementScene != null) AddAbility(GroundMovementScene.Instantiate<MovementAbility>());
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if (JumpMovementScene != null) AddAbility(JumpMovementScene.Instantiate<MovementAbility>());
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if (GravityScene != null) AddAbility(GravityScene.Instantiate<MovementAbility>());
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if (OneWayPlatformScene != null) AddAbility(OneWayPlatformScene.Instantiate<MovementAbility>());
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_ = ConnectJumpAndGravityAbilities();
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EmitSignalMovementAbilitiesChanged();
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}
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public void SetSpaceshipMovement()
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{
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ClearMovementAbilities();
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if (SpaceshipMovementScene != null) AddAbility(SpaceshipMovementScene.Instantiate<MovementAbility>());
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EmitSignalMovementAbilitiesChanged();
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}
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private async Task ConnectJumpAndGravityAbilities()
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{
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await ToSignal(GetTree(), SceneTree.SignalName.ProcessFrame);
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var jumpAbility = _abilities.OfType<VariableJumpAbility>().FirstOrDefault();
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var gravityAbility = _abilities.OfType<GravityAbility>().FirstOrDefault();
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if (jumpAbility != null && gravityAbility != null)
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{
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gravityAbility.AscendGravity = jumpAbility.AscendGravity;
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gravityAbility.DescendGravity = jumpAbility.DescendGravity;
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}
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}
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} |