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wip/intera
...
main
9 changed files with 42 additions and 155 deletions
@ -1,110 +0,0 @@ |
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[Tool] |
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public partial class Interactable : RigidBody3D |
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{ |
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PackedScene _modelScene; |
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[Export] public PackedScene ModelScene { |
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get => _modelScene; |
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set => _modelScene = OnModelSceneChanged(value); |
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} |
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Vector3I _gridSize; |
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/// <summary> Get the size of this item in grid units. </summary> |
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[Export] public Vector3I GridSize { |
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get => _gridSize; |
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set => _gridSize = OnGridSizeChanged(value); |
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} |
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public override void _Ready() |
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{ |
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} |
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public override void _Process(double delta) |
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{ |
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} |
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// FIXME: Only change this if ModelScene is actually changed, not when loaded. |
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PackedScene OnModelSceneChanged(PackedScene value) |
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{ |
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if (GetNodeOrNull("_Model") is Node oldModel) { |
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RemoveChild(oldModel); |
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oldModel.QueueFree(); |
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} |
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// Remove any previously added `CollisionShape3D` nodes. |
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foreach (var child in GetChildren(true).OfType<CollisionShape3D>()) { |
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RemoveChild(child); |
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child.QueueFree(); |
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} |
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if (value is PackedScene scene) { |
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var model = scene.Instantiate<Node3D>(); |
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model.Name = "_Model"; |
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var numShapes = 0; |
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var min = Vector3.Zero; |
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var max = Vector3.Zero; |
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// Find all the `StaticBody3D` nodes in the model and parent |
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// their `CollisionShape3D` children to the this `RigidBody3D`. |
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// Required because shapes must be immediate children of the body. |
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// See: https://github.com/godotengine/godot-proposals/issues/535 |
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// https://github.com/godotengine/godot/pull/77937 |
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foreach (var body in model.FindChildren("*", "StaticBody3D").Cast<StaticBody3D>()) { |
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body.GetParent().RemoveChild(body); |
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body.QueueFree(); |
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foreach (var shape in body.GetChildren().OfType<CollisionShape3D>()) { |
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// Not unsetting the owner results in this warning: |
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// "Adding 'CollisionShape3D' as child to 'Interactable' will make owner '...' inconsistent." |
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shape.Owner = null; |
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body.RemoveChild(shape); |
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shape.Name = $"_{nameof(CollisionShape3D)}_{numShapes + 1}"; |
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AddChild(shape, false, InternalMode.Front); |
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// shape.Owner = this; |
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numShapes++; |
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// Finds the axis-aligned boundary of all collision shapes. |
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// This assumes that the shape has an identity transformation. |
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var vertices = (shape.Shape as ConvexPolygonShape3D)?.Points |
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?? (shape.Shape as ConcavePolygonShape3D)?.Data |
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?? throw new Exception("Shape must be either convex or concave"); |
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foreach (var vert in vertices) { |
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min = new(Min(min.X, vert.X), Min(min.Y, vert.Y), Min(min.Z, vert.Z)); |
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max = new(Max(max.X, vert.X), Max(max.Y, vert.Y), Max(max.Z, vert.Z)); |
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} |
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} |
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} |
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AddChild(model, false, InternalMode.Front); |
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// Set the grid size based on the boundary of all collision shapes. |
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GridSize = (Vector3I)((max - min).Snapped(Epsilon) / Grid.StepSize).Ceil(); |
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} else { |
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GridSize = Vector3I.Zero; |
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} |
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return value; |
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} |
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Vector3I OnGridSizeChanged(Vector3I value) |
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{ |
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if (GetNodeOrNull("_GridArea") is Node oldGridArea) { |
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RemoveChild(oldGridArea); |
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oldGridArea.QueueFree(); |
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} |
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if (value.X > 0 && value.Y > 0 && value.Z > 0) { |
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var gridArea = new Area3D(); |
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gridArea.Name = "_GridArea"; |
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var shape = new CollisionShape3D(); |
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shape.Shape = new BoxShape3D { Size = (Vector3)value * Grid.StepSize }; |
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gridArea.AddChild(shape); |
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AddChild(gridArea, false, InternalMode.Front); |
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} |
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return value; |
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} |
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} |
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@ -1,10 +0,0 @@ |
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[gd_scene load_steps=3 format=3 uid="uid://d4l5bguk01qqr"] |
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[ext_resource type="Script" path="res://objects/Interactable.cs" id="1_vnawe"] |
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[ext_resource type="PackedScene" uid="uid://dh18opmr8mjet" path="res://assets/models/plank.blend" id="2_cvuqp"] |
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[node name="Interactable" type="RigidBody3D"] |
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script = ExtResource("1_vnawe") |
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ModelScene = ExtResource("2_cvuqp") |
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GridSize = Vector3i(16, 1, 3) |
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metadata/_edit_group_ = true |
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@ -1,19 +1,20 @@ |
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[Flags] |
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public enum PhysicsLayer : uint |
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{ |
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/// <summary> Physical objects that are part of the scene and won't move. </summary> |
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Static = 0b0000_0000_0000_0001, |
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/// <summary> Physical objects that may move. Player collide with these. </summary> |
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Dynamic = 0b0000_0000_0000_0010, |
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/// <summary> Small physical objects that may move. Players don't collide with these. </summary> |
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Small = 0b0000_0000_0000_0100, |
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/// <summary> Physical bodies such as those of players. </summary> |
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Body = 0b0000_0000_0000_1000, |
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/// <summary> Objects that are part of the scene, and never move. </summary> |
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Static = 1 << 0, |
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/// <summary> Objects players collide with, but may move. </summary> |
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Dynamic = 1 << 1, |
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/// <summary> Any players, both local and remote. </summary> |
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Player = 1 << 2, |
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/// <summary> Small objects players don't collide with, but collide with players. </summary> |
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Item = 1 << 3, |
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/// <summary> Areas in the game that can be entered or left by players. </summary> |
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Zone = 0b0000_0001_0000_0000, |
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/// <summary> Objects that may be ray-traced to interact with them. </summary> |
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Interact = 0b0000_0010_0000_0000, |
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/// <summary> Objects that others may be placed again, grid-aligned bounding box. </summary> |
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Placable = 0b0000_0100_0000_0000, |
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/// <summary> Objects that may be picked up. </summary> |
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Pickup = 1 << 8, |
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/// <summary> Objects that other objects may be placed against. </summary> |
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Place = 1 << 9, |
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/// <summary> Various areas, such as workshops. </summary> |
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Areas = 1 << 10, |
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} |
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