OniSplit/Akira/OctreeBuilder.cs

using System;
using System.Collections.Generic;

namespace Oni.Akira
{
    internal static class OctreeBuilder
    {
        private static readonly BoundingBox rootBoundingBox = new BoundingBox(new Vector3(-4096.0f), new Vector3(4096.0f));

        public static OctreeNode Build(PolygonMesh mesh, bool debug)
        {
            IEnumerable<Polygon> polygons = mesh.Polygons;

            if (debug)
                polygons = polygons.Concatenate(mesh.Ghosts);

            var root = new OctreeNode(rootBoundingBox, polygons, mesh.Rooms);
            root.Build();
            return root;
        }

        public static OctreeNode Build(PolygonMesh mesh, GunkFlags excludeFlags)
        {
            var root = new OctreeNode(rootBoundingBox, mesh.Polygons.Where(p => (p.Flags & excludeFlags) == 0), mesh.Rooms);
            root.Build();
            return root;
        }

        public static OctreeNode Build(PolygonMesh mesh, Func<Polygon, bool> polygonFilter)
        {
            var root = new OctreeNode(rootBoundingBox, mesh.Polygons.Where(polygonFilter), mesh.Rooms);
            root.Build();
            return root;
        }

        public static OctreeNode BuildRoomsOctree(PolygonMesh mesh)
        {
            var root = new OctreeNode(rootBoundingBox, new Polygon[0], mesh.Rooms);
            root.Build();
            return root;
        }
    }
}
Revision:	1114
Committed:	Wed Jan 22 14:08:57 2020 UTC (5 years, 9 months ago) by iritscen
File size:	1430 byte(s)
Log Message:	Adding OniSplit source code (v0.9.99.0). Many thanks to Neo for all his work over the years.
#	Content
1	using System;
2	using System.Collections.Generic;
3
4	namespace Oni.Akira
5	{
6	internal static class OctreeBuilder
7	{
8	private static readonly BoundingBox rootBoundingBox = new BoundingBox(new Vector3(-4096.0f), new Vector3(4096.0f));
9
10	public static OctreeNode Build(PolygonMesh mesh, bool debug)
11	{
12	IEnumerable<Polygon> polygons = mesh.Polygons;
13
14	if (debug)
15	polygons = polygons.Concatenate(mesh.Ghosts);
16
17	var root = new OctreeNode(rootBoundingBox, polygons, mesh.Rooms);
18	root.Build();
19	return root;
20	}
21
22	public static OctreeNode Build(PolygonMesh mesh, GunkFlags excludeFlags)
23	{
24	var root = new OctreeNode(rootBoundingBox, mesh.Polygons.Where(p => (p.Flags & excludeFlags) == 0), mesh.Rooms);
25	root.Build();
26	return root;
27	}
28
29	public static OctreeNode Build(PolygonMesh mesh, Func<Polygon, bool> polygonFilter)
30	{
31	var root = new OctreeNode(rootBoundingBox, mesh.Polygons.Where(polygonFilter), mesh.Rooms);
32	root.Build();
33	return root;
34	}
35
36	public static OctreeNode BuildRoomsOctree(PolygonMesh mesh)
37	{
38	var root = new OctreeNode(rootBoundingBox, new Polygon[0], mesh.Rooms);
39	root.Build();
40	return root;
41	}
42	}
43	}