83 lines
2.8 KiB
C#
83 lines
2.8 KiB
C#
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#if GRIFFIN
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using System.Collections.Generic;
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using UnityEngine;
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namespace Pinwheel.Griffin
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{
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public static class GCombiner
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{
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public static GCombineInfo Combine(List<GCombineInfo> combines)
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{
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List<Vector3> vertices = new List<Vector3>();
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List<Vector2> uvs = new List<Vector2>();
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List<Color32> colors = new List<Color32>();
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List<int> triangles = new List<int>();
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for (int i = 0; i < combines.Count; ++i)
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{
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GCombineInfo c = combines[i];
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int offset = vertices.Count;
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for (int j = 0; j < c.Triangles.Length; ++j)
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{
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triangles.Add(offset + c.Triangles[j]);
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}
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for (int j = 0; j < c.Vertices.Length; ++j)
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{
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vertices.Add(c.Transform.MultiplyPoint(c.Vertices[j]));
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}
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uvs.AddRange(c.UVs);
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colors.AddRange(c.Colors);
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}
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GCombineInfo result = new GCombineInfo();
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result.Vertices = vertices.ToArray();
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result.UVs = uvs.ToArray();
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result.Colors = colors.ToArray();
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result.Triangles = triangles.ToArray();
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return result;
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}
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public static GCombineInfo Combine(GCombineInfo meshTemplate, List<Matrix4x4> transforms)
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{
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int vertexCount = meshTemplate.Vertices.Length * transforms.Count;
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Vector3[] vertices = new Vector3[vertexCount];
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Vector2[] uvs = new Vector2[vertexCount];
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//Color32[] colors = new Color32[vertexCount];
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int trisIndexCount = meshTemplate.Triangles.Length * transforms.Count;
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int[] triangles = new int[trisIndexCount];
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int currentVertIndex = 0;
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int currentTrisIndex = 0;
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for (int i = 0; i < transforms.Count; ++i)
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{
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int offset = currentVertIndex;
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for (int j = 0; j < meshTemplate.Triangles.Length; ++j)
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{
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triangles[currentTrisIndex] = offset + meshTemplate.Triangles[j];
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currentTrisIndex += 1;
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}
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for (int j = 0; j < meshTemplate.Vertices.Length; ++j)
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{
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vertices[currentVertIndex] = transforms[i].MultiplyPoint(meshTemplate.Vertices[j]);
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uvs[currentVertIndex] = meshTemplate.UVs[j];
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//colors[currentVertIndex] = meshTemplate.Colors[j];
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currentVertIndex += 1;
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}
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}
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GCombineInfo result = new GCombineInfo();
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result.Vertices = vertices;
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result.UVs = uvs;
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//result.Colors = colors;
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result.Triangles = triangles;
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return result;
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}
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}
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}
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#endif
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