OniSplit/Akira/RoomDaeWriter.cs

using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using Oni.Collections;
using Oni.Imaging;

namespace Oni.Akira
{
    internal class RoomDaeWriter
    {
        #region Private data
        private readonly PolygonMesh source;
        private DaeSceneBuilder world;

        private static readonly string[] objectTypeNames = new[] {
            "",
            "char",
            "patr",
            "door",
            "flag",
            "furn",
            "",
            "",
            "part",
            "pwru",
            "sndg",
            "trgv",
            "weap",
            "trig",
            "turr",
            "cons",
            "cmbt",
            "mele",
            "neut"
        };

        #endregion

        #region private class DaePolygon

        private class DaePolygon
        {
            private readonly Polygon source;
            private readonly Material material;
            private readonly int[] pointIndices;
            private readonly int[] texCoordIndices;
            private readonly int[] colorIndices;

            public DaePolygon(Polygon source, int[] pointIndices, int[] texCoordIndices, int[] colorIndices)
            {
                this.source = source;
                this.material = source.Material;
                this.pointIndices = pointIndices;
                this.texCoordIndices = texCoordIndices;
                this.colorIndices = colorIndices;
            }

            public DaePolygon(Material material, int[] pointIndices, int[] texCoordIndices)
            {
                this.material = material;
                this.pointIndices = pointIndices;
                this.texCoordIndices = texCoordIndices;
            }

            public Polygon Source => source;
            public Material Material => material;

            public int[] PointIndices => pointIndices;
            public int[] TexCoordIndices => texCoordIndices;
            public int[] ColorIndices => colorIndices;
        }

        #endregion
        #region private class DaeMeshBuilder

        private class DaeMeshBuilder
        {
            private readonly List<DaePolygon> polygons = new List<DaePolygon>();
            private readonly List<Vector3> points = new List<Vector3>();
            private readonly Dictionary<Vector3, int> uniquePoints = new Dictionary<Vector3, int>();
            private readonly List<Vector2> texCoords = new List<Vector2>();
            private readonly Dictionary<Vector2, int> uniqueTexCoords = new Dictionary<Vector2, int>();
            private readonly List<Color> colors = new List<Color>();
            private readonly Dictionary<Color, int> uniqueColors = new Dictionary<Color, int>();
            private string name;
            private Vector3 translation;
            private Dae.Geometry geometry;

            public DaeMeshBuilder(string name)
            {
                this.name = name;
            }

            public string Name
            {
                get { return name; }
                set { name = value; }
            }

            public Vector3 Translation => translation;

            public void ResetTransform()
            {
                //
                // Attempt to un-bake the translation of the furniture
                //

                Vector3 center = BoundingSphere.CreateFromPoints(points).Center;

                BoundingBox bbox = BoundingBox.CreateFromPoints(points);
                center.Y = bbox.Min.Y;

                translation = center;

                for (int i = 0; i < points.Count; i++)
                    points[i] -= center;
            }

            public void AddPolygon(Polygon polygon)
            {
                polygons.Add(new DaePolygon(
                    polygon,
                    Remap(polygon.Mesh.Points, polygon.PointIndices, points, uniquePoints),
                    null,
                    null));
            }

            public IEnumerable<Polygon> Polygons => from p in polygons
                                                    where p.Source != null
                                                    select p.Source;

            private static int[] Remap<T>(IList<T> values, int[] indices, List<T> list, Dictionary<T, int> unique) where T : struct
            {
                var result = new int[indices.Length];

                for (int i = 0; i < indices.Length; i++)
                    result[i] = AddUnique(list, unique, values[indices[i]]);

                return result;
            }

            private static int[] Remap<T>(IList<T> values, List<T> list, Dictionary<T, int> unique) where T : struct
            {
                var result = new int[values.Count];

                for (int i = 0; i < values.Count; i++)
                    result[i] = AddUnique(list, unique, values[i]);

                return result;
            }

            private static int AddUnique<T>(List<T> list, Dictionary<T, int> unique, T value) where T : struct
            {
                int index;

                if (!unique.TryGetValue(value, out index))
                {
                    index = list.Count;
                    unique.Add(value, index);
                    list.Add(value);
                }

                return index;
            }

            public void Build()
            {
                var positionSource = new Dae.Source(points);
                var primitives = new Dae.MeshPrimitives(Dae.MeshPrimitiveType.Polygons);
                var posInput = new Dae.IndexedInput(Dae.Semantic.Position, positionSource);

                primitives.Inputs.Add(posInput);

                foreach (var poly in polygons)
                {
                    primitives.VertexCounts.Add(poly.PointIndices.Length);

                    posInput.Indices.AddRange(poly.PointIndices);
                }

                geometry = new Dae.Geometry
                {
                    Name = Name + "_geo",
                    Vertices = { new Dae.Input(Dae.Semantic.Position, positionSource) },
                    Primitives = { primitives }
                };
            }

            public Dae.Geometry Geometry
            {
                get
                {
                    return geometry;
                }
            }
        }

        #endregion
        #region private class DaeSceneBuilder

        private class DaeSceneBuilder
        {
            private readonly Dae.Scene scene;
            private readonly Dictionary<string, DaeMeshBuilder> nameMeshBuilder;
            private readonly List<DaeMeshBuilder> meshBuilders;
            private readonly Dictionary<Material, Dae.Material> materials;
            private string imagesFolder = "images";

            public DaeSceneBuilder()
            {
                scene = new Dae.Scene();
                nameMeshBuilder = new Dictionary<string, DaeMeshBuilder>(StringComparer.Ordinal);
                meshBuilders = new List<DaeMeshBuilder>();
                materials = new Dictionary<Material, Dae.Material>();
            }

            public string ImagesFolder
            {
                get { return imagesFolder; }
                set { imagesFolder = value; }
            }

            public DaeMeshBuilder GetMeshBuilder(string name)
            {
                DaeMeshBuilder result;

                if (!nameMeshBuilder.TryGetValue(name, out result))
                {
                    result = new DaeMeshBuilder(name);
                    nameMeshBuilder.Add(name, result);
                    meshBuilders.Add(result);
                }

                return result;
            }

            public IEnumerable<DaeMeshBuilder> MeshBuilders
            {
                get { return meshBuilders; }
            }

            public Dae.Material GetMaterial(Material material)
            {
                Dae.Material result;

                if (!materials.TryGetValue(material, out result))
                {
                    result = new Dae.Material();
                    materials.Add(material, result);
                }

                return result;
            }

            public void Build()
            {
                BuildNodes();
                BuildMaterials();
            }

            private void BuildNodes()
            {
                foreach (var meshBuilder in meshBuilders)
                {
                    meshBuilder.Build();

                    var inst = new Dae.GeometryInstance(meshBuilder.Geometry);

                    var node = new Dae.Node();
                    node.Name = meshBuilder.Name;
                    node.Instances.Add(inst);

                    if (meshBuilder.Translation != Vector3.Zero)
                        node.Transforms.Add(new Dae.TransformTranslate(meshBuilder.Translation));

                    scene.Nodes.Add(node);
                }
            }

            private void BuildMaterials()
            {
                foreach (KeyValuePair<Material, Dae.Material> pair in materials)
                {
                    var material = pair.Key;

                    var image = new Dae.Image
                    {
                        FilePath = "./" + GetImageFileName(material).Replace('\\', '/'),
                        Name = material.Name + "_img"
                    };

                    var effectSurface = new Dae.EffectSurface(image);

                    var effectSampler = new Dae.EffectSampler(effectSurface)
                    {
                        //WrapS = texture.WrapU ? Dae.EffectSamplerWrap.Wrap : Dae.EffectSamplerWrap.None,
                        //WrapT = texture.WrapV ? Dae.EffectSamplerWrap.Wrap : Dae.EffectSamplerWrap.None
                    };

                    var effectTexture = new Dae.EffectTexture(effectSampler, "diffuse_TEXCOORD");

                    var effect = new Dae.Effect
                    {
                        Name = material.Name + "_fx",
                        AmbientValue = Vector4.One,
                        SpecularValue = Vector4.Zero,
                        DiffuseValue = effectTexture,
                        TransparentValue = material.Image.HasAlpha ? effectTexture : null,
                        Parameters = {
                            new Dae.EffectParameter("surface", effectSurface),
                            new Dae.EffectParameter("sampler", effectSampler)
                        }
                    };

                    var daeMaterial = pair.Value;
                    daeMaterial.Name = material.Name;
                    daeMaterial.Effect = effect;
                }
            }

            private string GetImageFileName(Material material)
            {
                if (material.IsMarker)
                    return Path.Combine("markers", material.Name + ".tga");

                return Path.Combine(imagesFolder, material.Name + ".tga");
            }

            public void Write(string filePath)
            {
                string outputDirPath = Path.GetDirectoryName(filePath);

                foreach (var material in materials.Keys)
                    TgaWriter.Write(material.Image, Path.Combine(outputDirPath, GetImageFileName(material)));

                Dae.Writer.WriteFile(filePath, scene);
            }
        }

        #endregion

        public static void Write(PolygonMesh mesh, string filePath)
        {
            var writer = new RoomDaeWriter(mesh);
            writer.WriteGeometry();
            writer.world.Write(filePath);
        }

        private RoomDaeWriter(PolygonMesh source)
        {
            this.source = source;
        }

        private void WriteGeometry()
        {
            world = new DaeSceneBuilder();

            for (int i = 0; i < source.Polygons.Count; i++)
            {
                var polygon = source.Polygons[i];

                var name = string.Format(CultureInfo.InvariantCulture, "floor_{0}", i);
                var meshBuilder = world.GetMeshBuilder(name);
                meshBuilder.AddPolygon(polygon);
            }

            foreach (var meshBuilder in world.MeshBuilders)
            {
                meshBuilder.ResetTransform();
            }

            world.Build();
        }
    }
}
Revision:	1114
Committed:	Wed Jan 22 14:08:57 2020 UTC (5 years, 9 months ago) by iritscen
File size:	12712 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	using System.Globalization;
4	using System.IO;
5	using Oni.Collections;
6	using Oni.Imaging;
7
8	namespace Oni.Akira
9	{
10	internal class RoomDaeWriter
11	{
12	#region Private data
13	private readonly PolygonMesh source;
14	private DaeSceneBuilder world;
15
16	private static readonly string[] objectTypeNames = new[] {
17	"",
18	"char",
19	"patr",
20	"door",
21	"flag",
22	"furn",
23	"",
24	"",
25	"part",
26	"pwru",
27	"sndg",
28	"trgv",
29	"weap",
30	"trig",
31	"turr",
32	"cons",
33	"cmbt",
34	"mele",
35	"neut"
36	};
37
38	#endregion
39
40	#region private class DaePolygon
41
42	private class DaePolygon
43	{
44	private readonly Polygon source;
45	private readonly Material material;
46	private readonly int[] pointIndices;
47	private readonly int[] texCoordIndices;
48	private readonly int[] colorIndices;
49
50	public DaePolygon(Polygon source, int[] pointIndices, int[] texCoordIndices, int[] colorIndices)
51	{
52	this.source = source;
53	this.material = source.Material;
54	this.pointIndices = pointIndices;
55	this.texCoordIndices = texCoordIndices;
56	this.colorIndices = colorIndices;
57	}
58
59	public DaePolygon(Material material, int[] pointIndices, int[] texCoordIndices)
60	{
61	this.material = material;
62	this.pointIndices = pointIndices;
63	this.texCoordIndices = texCoordIndices;
64	}
65
66	public Polygon Source => source;
67	public Material Material => material;
68
69	public int[] PointIndices => pointIndices;
70	public int[] TexCoordIndices => texCoordIndices;
71	public int[] ColorIndices => colorIndices;
72	}
73
74	#endregion
75	#region private class DaeMeshBuilder
76
77	private class DaeMeshBuilder
78	{
79	private readonly List<DaePolygon> polygons = new List<DaePolygon>();
80	private readonly List<Vector3> points = new List<Vector3>();
81	private readonly Dictionary<Vector3, int> uniquePoints = new Dictionary<Vector3, int>();
82	private readonly List<Vector2> texCoords = new List<Vector2>();
83	private readonly Dictionary<Vector2, int> uniqueTexCoords = new Dictionary<Vector2, int>();
84	private readonly List<Color> colors = new List<Color>();
85	private readonly Dictionary<Color, int> uniqueColors = new Dictionary<Color, int>();
86	private string name;
87	private Vector3 translation;
88	private Dae.Geometry geometry;
89
90	public DaeMeshBuilder(string name)
91	{
92	this.name = name;
93	}
94
95	public string Name
96	{
97	get { return name; }
98	set { name = value; }
99	}
100
101	public Vector3 Translation => translation;
102
103	public void ResetTransform()
104	{
105	//
106	// Attempt to un-bake the translation of the furniture
107	//
108
109	Vector3 center = BoundingSphere.CreateFromPoints(points).Center;
110
111	BoundingBox bbox = BoundingBox.CreateFromPoints(points);
112	center.Y = bbox.Min.Y;
113
114	translation = center;
115
116	for (int i = 0; i < points.Count; i++)
117	points[i] -= center;
118	}
119
120	public void AddPolygon(Polygon polygon)
121	{
122	polygons.Add(new DaePolygon(
123	polygon,
124	Remap(polygon.Mesh.Points, polygon.PointIndices, points, uniquePoints),
125	null,
126	null));
127	}
128
129	public IEnumerable<Polygon> Polygons => from p in polygons
130	where p.Source != null
131	select p.Source;
132
133	private static int[] Remap<T>(IList<T> values, int[] indices, List<T> list, Dictionary<T, int> unique) where T : struct
134	{
135	var result = new int[indices.Length];
136
137	for (int i = 0; i < indices.Length; i++)
138	result[i] = AddUnique(list, unique, values[indices[i]]);
139
140	return result;
141	}
142
143	private static int[] Remap<T>(IList<T> values, List<T> list, Dictionary<T, int> unique) where T : struct
144	{
145	var result = new int[values.Count];
146
147	for (int i = 0; i < values.Count; i++)
148	result[i] = AddUnique(list, unique, values[i]);
149
150	return result;
151	}
152
153	private static int AddUnique<T>(List<T> list, Dictionary<T, int> unique, T value) where T : struct
154	{
155	int index;
156
157	if (!unique.TryGetValue(value, out index))
158	{
159	index = list.Count;
160	unique.Add(value, index);
161	list.Add(value);
162	}
163
164	return index;
165	}
166
167	public void Build()
168	{
169	var positionSource = new Dae.Source(points);
170	var primitives = new Dae.MeshPrimitives(Dae.MeshPrimitiveType.Polygons);
171	var posInput = new Dae.IndexedInput(Dae.Semantic.Position, positionSource);
172
173	primitives.Inputs.Add(posInput);
174
175	foreach (var poly in polygons)
176	{
177	primitives.VertexCounts.Add(poly.PointIndices.Length);
178
179	posInput.Indices.AddRange(poly.PointIndices);
180	}
181
182	geometry = new Dae.Geometry
183	{
184	Name = Name + "_geo",
185	Vertices = { new Dae.Input(Dae.Semantic.Position, positionSource) },
186	Primitives = { primitives }
187	};
188	}
189
190	public Dae.Geometry Geometry
191	{
192	get
193	{
194	return geometry;
195	}
196	}
197	}
198
199	#endregion
200	#region private class DaeSceneBuilder
201
202	private class DaeSceneBuilder
203	{
204	private readonly Dae.Scene scene;
205	private readonly Dictionary<string, DaeMeshBuilder> nameMeshBuilder;
206	private readonly List<DaeMeshBuilder> meshBuilders;
207	private readonly Dictionary<Material, Dae.Material> materials;
208	private string imagesFolder = "images";
209
210	public DaeSceneBuilder()
211	{
212	scene = new Dae.Scene();
213	nameMeshBuilder = new Dictionary<string, DaeMeshBuilder>(StringComparer.Ordinal);
214	meshBuilders = new List<DaeMeshBuilder>();
215	materials = new Dictionary<Material, Dae.Material>();
216	}
217
218	public string ImagesFolder
219	{
220	get { return imagesFolder; }
221	set { imagesFolder = value; }
222	}
223
224	public DaeMeshBuilder GetMeshBuilder(string name)
225	{
226	DaeMeshBuilder result;
227
228	if (!nameMeshBuilder.TryGetValue(name, out result))
229	{
230	result = new DaeMeshBuilder(name);
231	nameMeshBuilder.Add(name, result);
232	meshBuilders.Add(result);
233	}
234
235	return result;
236	}
237
238	public IEnumerable<DaeMeshBuilder> MeshBuilders
239	{
240	get { return meshBuilders; }
241	}
242
243	public Dae.Material GetMaterial(Material material)
244	{
245	Dae.Material result;
246
247	if (!materials.TryGetValue(material, out result))
248	{
249	result = new Dae.Material();
250	materials.Add(material, result);
251	}
252
253	return result;
254	}
255
256	public void Build()
257	{
258	BuildNodes();
259	BuildMaterials();
260	}
261
262	private void BuildNodes()
263	{
264	foreach (var meshBuilder in meshBuilders)
265	{
266	meshBuilder.Build();
267
268	var inst = new Dae.GeometryInstance(meshBuilder.Geometry);
269
270	var node = new Dae.Node();
271	node.Name = meshBuilder.Name;
272	node.Instances.Add(inst);
273
274	if (meshBuilder.Translation != Vector3.Zero)
275	node.Transforms.Add(new Dae.TransformTranslate(meshBuilder.Translation));
276
277	scene.Nodes.Add(node);
278	}
279	}
280
281	private void BuildMaterials()
282	{
283	foreach (KeyValuePair<Material, Dae.Material> pair in materials)
284	{
285	var material = pair.Key;
286
287	var image = new Dae.Image
288	{
289	FilePath = "./" + GetImageFileName(material).Replace('\\', '/'),
290	Name = material.Name + "_img"
291	};
292
293	var effectSurface = new Dae.EffectSurface(image);
294
295	var effectSampler = new Dae.EffectSampler(effectSurface)
296	{
297	//WrapS = texture.WrapU ? Dae.EffectSamplerWrap.Wrap : Dae.EffectSamplerWrap.None,
298	//WrapT = texture.WrapV ? Dae.EffectSamplerWrap.Wrap : Dae.EffectSamplerWrap.None
299	};
300
301	var effectTexture = new Dae.EffectTexture(effectSampler, "diffuse_TEXCOORD");
302
303	var effect = new Dae.Effect
304	{
305	Name = material.Name + "_fx",
306	AmbientValue = Vector4.One,
307	SpecularValue = Vector4.Zero,
308	DiffuseValue = effectTexture,
309	TransparentValue = material.Image.HasAlpha ? effectTexture : null,
310	Parameters = {
311	new Dae.EffectParameter("surface", effectSurface),
312	new Dae.EffectParameter("sampler", effectSampler)
313	}
314	};
315
316	var daeMaterial = pair.Value;
317	daeMaterial.Name = material.Name;
318	daeMaterial.Effect = effect;
319	}
320	}
321
322	private string GetImageFileName(Material material)
323	{
324	if (material.IsMarker)
325	return Path.Combine("markers", material.Name + ".tga");
326
327	return Path.Combine(imagesFolder, material.Name + ".tga");
328	}
329
330	public void Write(string filePath)
331	{
332	string outputDirPath = Path.GetDirectoryName(filePath);
333
334	foreach (var material in materials.Keys)
335	TgaWriter.Write(material.Image, Path.Combine(outputDirPath, GetImageFileName(material)));
336
337	Dae.Writer.WriteFile(filePath, scene);
338	}
339	}
340
341	#endregion
342
343	public static void Write(PolygonMesh mesh, string filePath)
344	{
345	var writer = new RoomDaeWriter(mesh);
346	writer.WriteGeometry();
347	writer.world.Write(filePath);
348	}
349
350	private RoomDaeWriter(PolygonMesh source)
351	{
352	this.source = source;
353	}
354
355	private void WriteGeometry()
356	{
357	world = new DaeSceneBuilder();
358
359	for (int i = 0; i < source.Polygons.Count; i++)
360	{
361	var polygon = source.Polygons[i];
362
363	var name = string.Format(CultureInfo.InvariantCulture, "floor_{0}", i);
364	var meshBuilder = world.GetMeshBuilder(name);
365	meshBuilder.AddPolygon(polygon);
366	}
367
368	foreach (var meshBuilder in world.MeshBuilders)
369	{
370	meshBuilder.ResetTransform();
371	}
372
373	world.Build();
374	}
375	}
376	}