2024-08-17 20:52:00 +02:00
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using Godot;
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namespace Gmtk24 {
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public partial class BuildingBlockCreator : Node3D {
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[Export]
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public Node3D TrenchbroomMap;
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[Export]
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public PackedScene BuildingBlockPrefab;
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[Export]
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public ShaderMaterial BuildingBlockMaterial;
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[Export]
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public float BuildingBlockScale = 0.05f;
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public override void _Ready() {
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var children = TrenchbroomMap.FindChildren("*_buildingblock");
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foreach (var buildingBlockStaticBody in children) {
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var buildingBlock = BuildingBlockPrefab.Instantiate();
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var smallMesh = (MeshInstance3D)buildingBlockStaticBody.GetChild<MeshInstance3D>(0).Duplicate();
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smallMesh.Scale = Vector3.One * BuildingBlockScale;
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for (int i = 0; i < smallMesh.GetSurfaceOverrideMaterialCount(); i++) {
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var replacedMaterial = smallMesh.Mesh.SurfaceGetMaterial(i);
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var transparency = replacedMaterial.Get("transparency");
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if (((int)transparency) != 0) {
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// Make a new material, using the partly-transparent albedo as an alpha mask
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var blockMaterialWithAlphaMask = (ShaderMaterial)BuildingBlockMaterial.Duplicate();
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blockMaterialWithAlphaMask.SetShaderParameter("texture_albedo_for_alpha", replacedMaterial.Get("albedo_texture"));
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smallMesh.SetSurfaceOverrideMaterial(i, blockMaterialWithAlphaMask);
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} else {
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smallMesh.SetSurfaceOverrideMaterial(i, BuildingBlockMaterial);
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}
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}
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buildingBlock.AddChild(smallMesh);
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var collisionShapes = buildingBlockStaticBody.FindChildren("*_collision_shape");
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foreach (var shape in collisionShapes) {
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CollisionShape3D newShape = (CollisionShape3D)shape.Duplicate();
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var bigPoints = ((ConvexPolygonShape3D)newShape.Shape).Points;
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var points = new Vector3[bigPoints.Length];
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for (int i = 0; i < bigPoints.Length; i++) {
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points[i] = bigPoints[i] * BuildingBlockScale;
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}
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((ConvexPolygonShape3D)newShape.Shape).Points = points;
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buildingBlock.AddChild(newShape);
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}
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AddChild(buildingBlock);
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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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}
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