c78251aab3
Update primative type for meshes. This will allow custom primative types for rendering. Add strikers and punch out wii model/texture support (older formats of LM2/LM3). Add LM2 Arcade model support (updated format of MKAGPDX) Add support for LM2/LM3 pck audio archives. Add support for LM2 message/localization data.
549 lines
18 KiB
C#
549 lines
18 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using OpenTK;
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using System.Windows.Forms;
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using Toolbox.Library.Rendering;
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namespace Toolbox.Library
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{
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public class STGenericObject : TreeNodeCustom
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{
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public STGenericObject()
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{
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Checked = true;
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}
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public override void OnClick(TreeView treeView)
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{
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}
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//To update buffer data for opengl
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public virtual void UpdateVertexData()
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{
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}
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public virtual void SaveVertexBuffer()
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{
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}
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public virtual STGenericMaterial GetMaterial()
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{
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return new STGenericMaterial();
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}
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public List<STGenericPolygonGroup> PolygonGroups = new List<STGenericPolygonGroup>();
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public bool HasPos;
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public bool HasNrm;
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public bool HasUv0;
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public bool HasUv1;
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public bool HasUv2;
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public bool HasWeights;
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public bool HasIndices;
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public bool HasBitans;
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public bool HasTans;
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public bool HasVertColors;
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public string ObjectName;
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public int BoneIndex;
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public int MaterialIndex;
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public int VertexBufferIndex;
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public int DisplayLODIndex;
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public int Offset;
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private byte vertexSkinCount;
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public byte VertexSkinCount
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{
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get
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{
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return vertexSkinCount;
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}
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set
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{
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vertexSkinCount = value;
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}
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}
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public byte GetMaxSkinInfluenceCount()
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{
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return (byte)vertices.Max(t => t.boneIds.Count);
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}
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public Vector3 GetOrigin()
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{
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Vector3 pos = Vector3.Zero;
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foreach (Vertex vert in vertices)
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{
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}
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return pos;
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}
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public List<string[]> bones = new List<string[]>();
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public List<float[]> weightsT = new List<float[]>();
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public List<string> boneList = new List<string>();
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public List<Vertex> vertices = new List<Vertex>();
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public List<LOD_Mesh> lodMeshes = new List<LOD_Mesh>();
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public class LOD_Mesh
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{
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public STPrimativeType PrimativeType = STPrimativeType.Triangles;
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public STIndexFormat IndexFormat = STIndexFormat.UInt16;
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public uint FirstVertex;
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public List<SubMesh> subMeshes = new List<SubMesh>();
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public class SubMesh
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{
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public uint size;
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public uint offset;
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}
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public void GenerateSubMesh()
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{
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subMeshes.Clear();
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SubMesh subMesh = new SubMesh();
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subMesh.offset = 0;
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subMesh.size = (uint)faces.Count;
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subMeshes.Add(subMesh);
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}
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public int index = 0;
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public int strip = 0x40;
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public int displayFaceSize = 0;
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public List<int> faces = new List<int>();
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public override string ToString()
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{
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return "LOD Mesh " + index;
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}
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public List<int> getDisplayFace()
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{
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if ((strip >> 4) == 4)
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{
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displayFaceSize = faces.Count;
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return faces;
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}
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else
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{
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List<int> f = new List<int>();
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int startDirection = 1;
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int p = 0;
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int f1 = faces[p++];
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int f2 = faces[p++];
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int faceDirection = startDirection;
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int f3;
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do
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{
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f3 = faces[p++];
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if (f3 == 0xFFFF)
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{
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f1 = faces[p++];
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f2 = faces[p++];
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faceDirection = startDirection;
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}
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else
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{
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faceDirection *= -1;
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if ((f1 != f2) && (f2 != f3) && (f3 != f1))
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{
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if (faceDirection > 0)
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{
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f.Add(f3);
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f.Add(f2);
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f.Add(f1);
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}
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else
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{
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f.Add(f2);
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f.Add(f3);
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f.Add(f1);
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}
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}
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f1 = f2;
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f2 = f3;
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}
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} while (p < faces.Count);
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displayFaceSize = f.Count;
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return f;
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}
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}
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}
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public List<int> faces = new List<int>();
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#region Methods
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public void TransformPosition(Vector3 Position, Vector3 Rotation, Vector3 Scale)
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{
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Matrix4 positionMat = Matrix4.CreateTranslation(Position);
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Matrix4 rotXMat = Matrix4.CreateRotationX(MathHelper.DegreesToRadians(Rotation.X));
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Matrix4 rotYMat = Matrix4.CreateRotationY(MathHelper.DegreesToRadians(Rotation.Y));
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Matrix4 rotZMat = Matrix4.CreateRotationZ(MathHelper.DegreesToRadians(Rotation.Z));
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Matrix4 scaleMat = Matrix4.CreateScale(Scale);
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Matrix4 Transformation = (rotXMat * rotYMat * rotZMat) * positionMat;
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foreach (Vertex v in vertices)
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{
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v.pos = Vector3.TransformPosition(v.pos, scaleMat * Transformation);
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v.nrm = Vector3.TransformNormal(v.nrm, Transformation);
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}
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}
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public void RemoveDuplicateVertices()
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{
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}
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public void FlipUvsVertical()
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{
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foreach (Vertex v in vertices)
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{
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v.uv0 = new Vector2(v.uv0.X, 1 - v.uv0.Y);
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}
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}
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public void FlipUvsHorizontal()
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{
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foreach (Vertex v in vertices)
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{
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v.uv0 = new Vector2(1 - v.uv0.X, v.uv0.Y);
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}
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}
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public void TransformUVs(Vector2 Translate, Vector2 Scale, int Index)
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{
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foreach (Vertex v in vertices)
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{
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if (Index == 0)
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v.uv0 = (v.uv0 * Scale) + Translate;
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else if (Index == 1)
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v.uv1 = (v.uv1 * Scale) + Translate;
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else
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v.uv2 = (v.uv2 * Scale) + Translate;
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}
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}
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public void CalculateTangentBitangent(bool UseUVLayer2)
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{
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if (vertices.Count < 3)
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return;
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List<int> f = lodMeshes[DisplayLODIndex].getDisplayFace();
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Vector3[] tanArray = new Vector3[vertices.Count];
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Vector3[] bitanArray = new Vector3[vertices.Count];
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CalculateTanBitanArrays(f, tanArray, bitanArray, UseUVLayer2);
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ApplyTanBitanArray(tanArray, bitanArray);
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}
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private void ApplyTanBitanArray(Vector3[] tanArray, Vector3[] bitanArray)
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{
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if (vertices.Count < 3)
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return;
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for (int i = 0; i < vertices.Count; i++)
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{
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Vertex v = vertices[i];
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Vector3 newTan = tanArray[i];
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Vector3 newBitan = bitanArray[i];
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// The tangent and bitangent should be orthogonal to the normal.
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// Bitangents are not calculated with a cross product to prevent flipped shading with mirrored normal maps.
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v.tan = new Vector4(Vector3.Normalize(newTan - v.nrm * Vector3.Dot(v.nrm, newTan)), 1);
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v.bitan = new Vector4(Vector3.Normalize(newBitan - v.nrm * Vector3.Dot(v.nrm, newBitan)), 1);
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v.bitan *= -1;
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}
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}
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private void CalculateTanBitanArrays(List<int> faces, Vector3[] tanArray, Vector3[] bitanArray, bool UseUVLayer2)
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{
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if (vertices.Count < 3 || lodMeshes.Count <= 0)
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return;
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for (int i = 0; i < lodMeshes[DisplayLODIndex].displayFaceSize; i += 3)
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{
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Vertex v1 = vertices[faces[i]];
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Vertex v2 = vertices[faces[i + 1]];
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Vertex v3 = vertices[faces[i + 2]];
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float x1 = v2.pos.X - v1.pos.X;
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float x2 = v3.pos.X - v1.pos.X;
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float y1 = v2.pos.Y - v1.pos.Y;
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float y2 = v3.pos.Y - v1.pos.Y;
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float z1 = v2.pos.Z - v1.pos.Z;
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float z2 = v3.pos.Z - v1.pos.Z;
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float s1, s2, t1, t2;
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if (UseUVLayer2)
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{
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s1 = v2.uv1.X - v1.uv1.X;
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s2 = v3.uv1.X - v1.uv1.X;
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t1 = v2.uv1.Y - v1.uv1.Y;
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t2 = v3.uv1.Y - v1.uv1.Y;
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}
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else
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{
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s1 = v2.uv0.X - v1.uv0.X;
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s2 = v3.uv0.X - v1.uv0.X;
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t1 = v2.uv0.Y - v1.uv0.Y;
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t2 = v3.uv0.Y - v1.uv0.Y;
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}
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float div = (s1 * t2 - s2 * t1);
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float r = 1.0f / div;
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// Fix +/- infinity from division by 0.
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if (r == float.PositiveInfinity || r == float.NegativeInfinity)
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r = 1.0f;
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float sX = t2 * x1 - t1 * x2;
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float sY = t2 * y1 - t1 * y2;
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float sZ = t2 * z1 - t1 * z2;
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Vector3 s = new Vector3(sX, sY, sZ) * r;
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float tX = s1 * x2 - s2 * x1;
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float tY = s1 * y2 - s2 * y1;
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float tZ = s1 * z2 - s2 * z1;
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Vector3 t = new Vector3(tX, tY, tZ) * r;
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// Prevents black tangents or bitangents due to having vertices with the same UV coordinates.
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float delta = 0.00075f;
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bool sameU, sameV;
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if (UseUVLayer2)
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{
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sameU = (Math.Abs(v1.uv1.X - v2.uv1.X) < delta) && (Math.Abs(v2.uv1.X - v3.uv1.X) < delta);
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sameV = (Math.Abs(v1.uv1.Y - v2.uv1.Y) < delta) && (Math.Abs(v2.uv1.Y - v3.uv1.Y) < delta);
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}
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else
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{
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sameU = (Math.Abs(v1.uv0.X - v2.uv0.X) < delta) && (Math.Abs(v2.uv0.X - v3.uv0.X) < delta);
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sameV = (Math.Abs(v1.uv0.Y - v2.uv0.Y) < delta) && (Math.Abs(v2.uv0.Y - v3.uv0.Y) < delta);
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}
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if (sameU || sameV)
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{
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// Let's pick some arbitrary tangent vectors.
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s = new Vector3(1, 0, 0);
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t = new Vector3(0, 1, 0);
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}
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// Average tangents and bitangents.
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tanArray[faces[i]] += s;
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tanArray[faces[i + 1]] += s;
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tanArray[faces[i + 2]] += s;
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bitanArray[faces[i]] += t;
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bitanArray[faces[i + 1]] += t;
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bitanArray[faces[i + 2]] += t;
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}
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}
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public static void SmoothNormals(List<STGenericObject> Shapes, int DisplayLODIndex = 0)
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{
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if (Shapes.Count == 0)
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return;
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//List of duplicate vertices from multiple shapes
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//We will normalize each vertex with the same normal value to prevent seams
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List<Vertex> DuplicateVerts = new List<Vertex>();
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List<Vector3> NotDuplicateVerts = new List<Vector3>();
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for (int s = 0; s < Shapes.Count; s++)
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{
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if (Shapes[s].vertices.Count < 3)
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continue;
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Vector3[] normals = new Vector3[Shapes[s].vertices.Count];
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List<int> f = Shapes[s].lodMeshes[DisplayLODIndex].getDisplayFace();
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for (int v = 0; v < Shapes[s].lodMeshes[DisplayLODIndex].displayFaceSize; v += 3)
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{
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Vertex v1 = Shapes[s].vertices[f[v]];
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Vertex v2 = Shapes[s].vertices[f[v + 1]];
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Vertex v3 = Shapes[s].vertices[f[v + 2]];
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Vector3 nrm = Shapes[s].CalculateNormal(v1, v2, v3);
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if (NotDuplicateVerts.Contains(v1.pos)) DuplicateVerts.Add(v1); else NotDuplicateVerts.Add(v1.pos);
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if (NotDuplicateVerts.Contains(v2.pos)) DuplicateVerts.Add(v2); else NotDuplicateVerts.Add(v2.pos);
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if (NotDuplicateVerts.Contains(v3.pos)) DuplicateVerts.Add(v3); else NotDuplicateVerts.Add(v3.pos);
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normals[f[v + 0]] += nrm;
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normals[f[v + 1]] += nrm;
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normals[f[v + 2]] += nrm;
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}
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for (int n = 0; n < normals.Length; n++)
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{
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Shapes[s].vertices[n].nrm = normals[n].Normalized();
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}
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}
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//Smooth normals normally
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for (int s = 0; s < Shapes.Count; s++)
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{
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// Compare each vertex with all the remaining vertices. This might skip some.
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for (int i = 0; i < Shapes[s].vertices.Count; i++)
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{
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Vertex v = Shapes[s].vertices[i];
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for (int j = i + 1; j < Shapes[s].vertices.Count; j++)
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{
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Vertex v2 = Shapes[s].vertices[j];
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if (v == v2)
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continue;
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float dis = (float)Math.Sqrt(Math.Pow(v.pos.X - v2.pos.X, 2) + Math.Pow(v.pos.Y - v2.pos.Y, 2) + Math.Pow(v.pos.Z - v2.pos.Z, 2));
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if (dis <= 0f) // Extra smooth
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{
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Vector3 nn = ((v2.nrm + v.nrm) / 2).Normalized();
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v.nrm = nn;
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v2.nrm = nn;
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}
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}
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}
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}
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//Now do the same but for fixing duplicate vertices
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for (int s = 0; s < Shapes.Count; s++)
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{
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//Smooth duplicate normals
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for (int i = 0; i < Shapes[s].vertices.Count; i++)
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{
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Vertex v = Shapes[s].vertices[i];
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for (int j = i + 1; j < DuplicateVerts.Count; j++)
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{
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Vertex v2 = DuplicateVerts[j];
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if (v.pos == v2.pos)
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{
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float dis = (float)Math.Sqrt(Math.Pow(v.pos.X - v2.pos.X, 2) + Math.Pow(v.pos.Y - v2.pos.Y, 2) + Math.Pow(v.pos.Z - v2.pos.Z, 2));
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if (dis <= 0f) // Extra smooth
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{
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Vector3 nn = ((v2.nrm + v.nrm) / 2).Normalized();
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v.nrm = nn;
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v2.nrm = nn;
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}
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}
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}
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}
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}
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}
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public void SmoothNormals()
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{
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if (vertices.Count < 3)
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return;
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Vector3[] normals = new Vector3[vertices.Count];
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List<int> f = lodMeshes[DisplayLODIndex].getDisplayFace();
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for (int i = 0; i < lodMeshes[DisplayLODIndex].displayFaceSize; i += 3)
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{
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Vertex v1 = vertices[f[i]];
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Vertex v2 = vertices[f[i + 1]];
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Vertex v3 = vertices[f[i + 2]];
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Vector3 nrm = CalculateNormal(v1, v2, v3);
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normals[f[i + 0]] += nrm;
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normals[f[i + 1]] += nrm;
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normals[f[i + 2]] += nrm;
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}
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for (int i = 0; i < normals.Length; i++)
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vertices[i].nrm = normals[i].Normalized();
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// Compare each vertex with all the remaining vertices. This might skip some.
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for (int i = 0; i < vertices.Count; i++)
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{
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Vertex v = vertices[i];
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for (int j = i + 1; j < vertices.Count; j++)
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{
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Vertex v2 = vertices[j];
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if (v == v2)
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continue;
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float dis = (float)Math.Sqrt(Math.Pow(v.pos.X - v2.pos.X, 2) + Math.Pow(v.pos.Y - v2.pos.Y, 2) + Math.Pow(v.pos.Z - v2.pos.Z, 2));
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if (dis <= 0f) // Extra smooth
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{
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Vector3 nn = ((v2.nrm + v.nrm) / 2).Normalized();
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v.nrm = nn;
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v2.nrm = nn;
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}
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}
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}
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}
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public void InvertNormals()
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{
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foreach (Vertex v in vertices)
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{
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v.nrm = new Vector3(-1 * v.nrm.X, -1 * v.nrm.Y, -1 * v.nrm.Z);
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}
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}
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public void UVUnwrapPosition()
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{
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foreach (Vertex v in vertices)
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{
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}
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}
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public void CalculateNormals()
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{
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if (vertices.Count < 3)
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return;
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Vector3[] normals = new Vector3[vertices.Count];
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for (int i = 0; i < normals.Length; i++)
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normals[i] = new Vector3(0, 0, 0);
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List<int> f = lodMeshes[DisplayLODIndex].getDisplayFace();
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for (int i = 0; i < lodMeshes[DisplayLODIndex].displayFaceSize; i += 3)
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{
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Vertex v1 = vertices[f[i]];
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Vertex v2 = vertices[f[i + 1]];
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Vertex v3 = vertices[f[i + 2]];
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Vector3 nrm = CalculateNormal(v1, v2, v3);
|
|
|
|
normals[f[i + 0]] += nrm * (nrm.Length / 2);
|
|
normals[f[i + 1]] += nrm * (nrm.Length / 2);
|
|
normals[f[i + 2]] += nrm * (nrm.Length / 2);
|
|
}
|
|
|
|
for (int i = 0; i < normals.Length; i++)
|
|
vertices[i].nrm = normals[i].Normalized();
|
|
}
|
|
|
|
private Vector3 CalculateNormal(Vertex v1, Vertex v2, Vertex v3)
|
|
{
|
|
Vector3 U = v2.pos - v1.pos;
|
|
Vector3 V = v3.pos - v1.pos;
|
|
|
|
// Don't normalize here, so surface area can be calculated.
|
|
return Vector3.Cross(U, V);
|
|
}
|
|
|
|
public void SetVertexColor(Vector4 intColor)
|
|
{
|
|
// (127, 127, 127, 255) is white.
|
|
foreach (Vertex v in vertices)
|
|
{
|
|
v.col = intColor;
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|