public void Connect(RingLoop other, List <TreeTriangle> tris, int materialIndex, bool flipTris, bool lowres)
{
if (other.segments > this.segments)
{
other.Connect(this, tris, materialIndex, true, lowres);
return;
}
if (lowres)
{
for (int i = 0; i < this.segments / 2; i++)
{
int num = 0 + i + other.vertOffset;
int num2 = other.segments / 2 + i + other.vertOffset;
int num3 = 0 + i + this.vertOffset;
int num4 = this.segments / 2 + i + this.vertOffset;
if (flipTris)
{
int num5 = num;
num = num2;
num2 = num5;
num5 = num3;
num3 = num4;
num4 = num5;
}
tris.Add(new TreeTriangle(materialIndex, num, num2, num3, false, true, false));
tris.Add(new TreeTriangle(materialIndex, num2, num4, num3, false, true, false));
}
}
else
{
for (int j = 0; j < this.segments; j++)
{
int num6 = Mathf.Min((int)Mathf.Round((float)j / (float)this.segments * (float)other.segments), other.segments);
int num7 = Mathf.Min((int)Mathf.Round((float)(j + 1) / (float)this.segments * (float)other.segments), other.segments);
int num8 = Mathf.Min(j + 1, this.segments);
int num9 = num6 + other.vertOffset;
int num10 = j + this.vertOffset;
int v = num7 + other.vertOffset;
int num11 = j + this.vertOffset;
int num12 = num8 + this.vertOffset;
int v2 = num7 + other.vertOffset;
if (flipTris)
{
int num13 = num10;
num10 = num9;
num9 = num13;
num13 = num12;
num12 = num11;
num11 = num13;
}
tris.Add(new TreeTriangle(materialIndex, num9, num10, v, false, true, false));
tris.Add(new TreeTriangle(materialIndex, num11, num12, v2, false, true, false));
}
}
}
public void Connect(RingLoop other, List <TreeTriangle> tris, int materialIndex, bool flipTris, bool lowres)
{
if (other.segments > this.segments)
{
other.Connect(this, tris, materialIndex, true, lowres);
}
else if (lowres)
{
for (int i = 0; i < (this.segments / 2); i++)
{
int num2 = i + other.vertOffset;
int num3 = ((other.segments / 2) + i) + other.vertOffset;
int num4 = i + this.vertOffset;
int num5 = ((this.segments / 2) + i) + this.vertOffset;
if (flipTris)
{
int num6 = num2;
num2 = num3;
num3 = num6;
num6 = num4;
num4 = num5;
num5 = num6;
}
tris.Add(new TreeTriangle(materialIndex, num2, num3, num4, false, true, false));
tris.Add(new TreeTriangle(materialIndex, num3, num5, num4, false, true, false));
}
}
else
{
for (int j = 0; j < this.segments; j++)
{
int num8 = Mathf.Min((int)Mathf.Round((((float)j) / ((float)this.segments)) * other.segments), other.segments);
int num9 = Mathf.Min((int)Mathf.Round((((float)(j + 1)) / ((float)this.segments)) * other.segments), other.segments);
int num10 = Mathf.Min(j + 1, this.segments);
int num11 = num8 + other.vertOffset;
int num12 = j + this.vertOffset;
int num13 = num9 + other.vertOffset;
int num14 = j + this.vertOffset;
int num15 = num10 + this.vertOffset;
int num16 = num9 + other.vertOffset;
if (flipTris)
{
int num17 = num12;
num12 = num11;
num11 = num17;
num17 = num15;
num15 = num14;
num14 = num17;
}
tris.Add(new TreeTriangle(materialIndex, num11, num12, num13, false, true, false));
tris.Add(new TreeTriangle(materialIndex, num14, num15, num16, false, true, false));
}
}
}
public void UpdateMesh(Matrix4x4 matrix, List <TreeMaterial> materials, List <TreeVertex> verts, List <TreeTriangle> tris, List <TreeAOSphere> aoSpheres, int buildFlags, float adaptiveQuality, float aoDensity)
{
int seed = UnityEngine.Random.seed;
RingLoop.SetNoiseSeed(this.root.seed);
this.ClearReferences();
this.ValidateReferences();
this.root.UpdateSeed();
this.root.SetRootMatrix(matrix);
this.root.UpdateDistribution(false, true);
this.root.UpdateParameters();
if ((buildFlags & 1) != 0)
{
this.root.BuildAOSpheres(aoSpheres);
}
this.root.UpdateMesh(materials, verts, tris, aoSpheres, buildFlags, this.root.adaptiveLODQuality, this.root.aoDensity);
this.ClearReferences();
UnityEngine.Random.seed = seed;
}
public RingLoop Clone()
{
RingLoop r2 = new RingLoop();
r2.radius = radius;
r2.matrix = matrix;
r2.segments = segments;
r2.baseOffset = baseOffset;
r2.animParams = animParams;
r2.spreadTop = spreadTop;
r2.spreadBot = spreadBot;
r2.noiseScale = noiseScale;
r2.noiseScaleU = noiseScaleU;
r2.noiseScaleV = noiseScaleV;
r2.flareRadius = flareRadius;
r2.flareNoise = flareNoise;
r2.surfAngleCos = surfAngleCos;
r2.surfAngleSin = surfAngleSin;
return(r2);
}
public void Connect(RingLoop other, List<TreeTriangle> tris, int materialIndex, bool flipTris, bool lowres)
{
if (other.segments > this.segments)
{
other.Connect(this, tris, materialIndex, true, lowres);
}
else if (lowres)
{
for (int i = 0; i < (this.segments / 2); i++)
{
int num2 = i + other.vertOffset;
int num3 = ((other.segments / 2) + i) + other.vertOffset;
int num4 = i + this.vertOffset;
int num5 = ((this.segments / 2) + i) + this.vertOffset;
if (flipTris)
{
int num6 = num2;
num2 = num3;
num3 = num6;
num6 = num4;
num4 = num5;
num5 = num6;
}
tris.Add(new TreeTriangle(materialIndex, num2, num3, num4, false, true, false));
tris.Add(new TreeTriangle(materialIndex, num3, num5, num4, false, true, false));
}
}
else
{
for (int j = 0; j < this.segments; j++)
{
int num8 = Mathf.Min((int) Mathf.Round((((float) j) / ((float) this.segments)) * other.segments), other.segments);
int num9 = Mathf.Min((int) Mathf.Round((((float) (j + 1)) / ((float) this.segments)) * other.segments), other.segments);
int num10 = Mathf.Min(j + 1, this.segments);
int num11 = num8 + other.vertOffset;
int num12 = j + this.vertOffset;
int num13 = num9 + other.vertOffset;
int num14 = j + this.vertOffset;
int num15 = num10 + this.vertOffset;
int num16 = num9 + other.vertOffset;
if (flipTris)
{
int num17 = num12;
num12 = num11;
num11 = num17;
num17 = num15;
num15 = num14;
num14 = num17;
}
tris.Add(new TreeTriangle(materialIndex, num11, num12, num13, false, true, false));
tris.Add(new TreeTriangle(materialIndex, num14, num15, num16, false, true, false));
}
}
}
private void UpdateNodeMesh(TreeNode node, List<TreeMaterial> materials, List<TreeVertex> verts, List<TreeTriangle> tris, List<TreeAOSphere> aoSpheres, int buildFlags, float adaptiveQuality, float aoDensity)
{
node.triStart = tris.Count;
node.triEnd = tris.Count;
node.vertStart = verts.Count;
node.vertEnd = verts.Count;
if (!node.visible || !this.visible)
{
return;
}
Profiler.BeginSample("TreeGroupBranch.UpdateNodeMesh");
int count = verts.Count;
float approximateLength = node.spline.GetApproximateLength();
List<RingLoop> list = new List<RingLoop>();
float adaptiveQuality2 = Mathf.Clamp01(adaptiveQuality * this.lodQualityMultiplier);
List<float> adaptiveSamples = TreeData.GetAdaptiveSamples(this, node, adaptiveQuality2);
int adaptiveRadialSegments = TreeData.GetAdaptiveRadialSegments(this.radius, adaptiveQuality2);
TreeGroupBranch treeGroupBranch = null;
if (this.parentGroup != null && this.parentGroup.GetType() == typeof(TreeGroupBranch))
{
treeGroupBranch = (TreeGroupBranch)this.parentGroup;
}
if (this.geometryMode == TreeGroupBranch.GeometryMode.BranchFrond || this.geometryMode == TreeGroupBranch.GeometryMode.Branch)
{
int materialIndex = TreeGroup.GetMaterialIndex(this.materialBranch, materials, true);
float num = 0f;
float num2 = 0f;
float num3 = approximateLength / (this.GetRadiusAtTime(node, 0f, false) * 3.14159274f * 2f);
bool flag = true;
if (node.parent != null && treeGroupBranch != null)
{
num2 = node.offset * node.parent.spline.GetApproximateLength();
}
float num4 = 1f - node.capRange;
for (int i = 0; i < adaptiveSamples.Count; i++)
{
float num5 = adaptiveSamples[i];
Vector3 positionAtTime = node.spline.GetPositionAtTime(num5);
Quaternion rotationAtTime = node.spline.GetRotationAtTime(num5);
float radiusAtTime = this.GetRadiusAtTime(node, num5, false);
Matrix4x4 m = node.matrix * Matrix4x4.TRS(positionAtTime, rotationAtTime, new Vector3(1f, 1f, 1f));
Vector3 flareWeldAtTime = this.GetFlareWeldAtTime(node, num5);
float num6 = Mathf.Max(flareWeldAtTime.x, Mathf.Max(flareWeldAtTime.y, flareWeldAtTime.z) * 0.25f);
if (num5 <= num4)
{
adaptiveRadialSegments = TreeData.GetAdaptiveRadialSegments(radiusAtTime + num6, adaptiveQuality2);
}
if (flag)
{
if (i > 0)
{
float num7 = adaptiveSamples[i - 1];
float num8 = num5 - num7;
float num9 = (radiusAtTime + this.GetRadiusAtTime(node, num7, false)) * 0.5f;
num += num8 * approximateLength / (num9 * 3.14159274f * 2f);
}
}
else
{
num = num2 + num5 * num3;
}
Vector2 vector = base.ComputeWindFactor(node, num5);
RingLoop ringLoop = new RingLoop();
ringLoop.Reset(radiusAtTime, m, num, adaptiveRadialSegments);
ringLoop.SetSurfaceAngle(node.GetSurfaceAngleAtTime(num5));
ringLoop.SetAnimationProperties(vector.x, vector.y, 0f, node.animSeed);
ringLoop.SetSpread(flareWeldAtTime.y, flareWeldAtTime.z);
ringLoop.SetNoise(this.noise * Mathf.Clamp01(this.noiseCurve.Evaluate(num5)), this.noiseScaleU * 10f, this.noiseScaleV * 10f);
ringLoop.SetFlares(flareWeldAtTime.x, this.flareNoise * 10f);
int count2 = verts.Count;
ringLoop.BuildVertices(verts);
int count3 = verts.Count;
if ((buildFlags & 2) != 0)
{
float num10 = this.weldHeight;
float num11 = Mathf.Pow(Mathf.Clamp01((1f - num5 - (1f - this.weldHeight)) / this.weldHeight), 1.5f);
float d = 1f - num11;
if (num5 < num10 && node.parent != null && node.parent.spline != null)
{
Ray ray = default(Ray);
for (int j = count2; j < count3; j++)
{
ray.origin = verts[j].pos;
ray.direction = m.MultiplyVector(-Vector3.up);
Vector3 pos = verts[j].pos;
Vector3 nor = verts[j].nor;
float num12 = -10000f;
float num13 = 100000f;
for (int k = node.parent.triStart; k < node.parent.triEnd; k++)
{
object obj = MathUtils.IntersectRayTriangle(ray, verts[tris[k].v[0]].pos, verts[tris[k].v[1]].pos, verts[tris[k].v[2]].pos, true);
if (obj != null)
{
RaycastHit raycastHit = (RaycastHit)obj;
if (Mathf.Abs(raycastHit.distance) < num13 && raycastHit.distance > num12)
{
num13 = Mathf.Abs(raycastHit.distance);
verts[j].nor = verts[tris[k].v[0]].nor * raycastHit.barycentricCoordinate.x + verts[tris[k].v[1]].nor * raycastHit.barycentricCoordinate.y + verts[tris[k].v[2]].nor * raycastHit.barycentricCoordinate.z;
verts[j].nor = verts[j].nor * num11 + nor * d;
verts[j].pos = raycastHit.point * num11 + pos * d;
}
}
}
}
}
}
list.Add(ringLoop);
if (num5 == 1f && ringLoop.radius > 0.005f)
{
RingLoop ringLoop2 = ringLoop.Clone();
ringLoop2.radius = 0f;
ringLoop2.baseOffset += radiusAtTime / 6.28318548f;
ringLoop2.BuildVertices(verts);
list.Add(ringLoop2);
}
}
if (list.Count > 0 && list[list.Count - 1].radius > 0.025f && node.breakOffset < 1f)
{
float mappingScale = 1f / (this.radius * 3.14159274f * 2f);
float sphereFactor = 0f;
float num14 = 1f;
int mappingMode = 0;
Material m2 = this.materialBranch;
if (this.materialBreak != null)
{
m2 = this.materialBreak;
}
int materialIndex2 = TreeGroup.GetMaterialIndex(m2, materials, false);
list[list.Count - 1].Cap(sphereFactor, num14, mappingMode, mappingScale, verts, tris, materialIndex2);
}
node.triStart = tris.Count;
for (int l = 0; l < list.Count - 1; l++)
{
list[l].Connect(list[l + 1], tris, materialIndex, false, false);
}
node.triEnd = tris.Count;
list.Clear();
}
float num15 = Mathf.Min(this.frondRange.x, this.frondRange.y);
float num16 = Mathf.Max(this.frondRange.x, this.frondRange.y);
float num17 = num15;
float num18 = num16;
num15 = Mathf.Clamp(num15, 0f, node.breakOffset);
num16 = Mathf.Clamp(num16, 0f, node.breakOffset);
if ((this.geometryMode == TreeGroupBranch.GeometryMode.BranchFrond || this.geometryMode == TreeGroupBranch.GeometryMode.Frond) && this.frondCount > 0 && num15 != num16)
{
bool flag2 = true;
bool flag3 = true;
for (int n = 0; n < adaptiveSamples.Count; n++)
{
float num19 = adaptiveSamples[n];
if (num19 < num15)
{
adaptiveSamples.RemoveAt(n);
n--;
}
else
{
if (num19 == num15)
{
flag2 = false;
}
else
{
if (num19 == num16)
{
flag3 = false;
}
else
{
if (num19 > num16)
{
adaptiveSamples.RemoveAt(n);
n--;
}
}
}
}
}
if (flag2)
{
adaptiveSamples.Insert(0, num15);
}
if (flag3)
{
adaptiveSamples.Add(num16);
}
int materialIndex3 = TreeGroup.GetMaterialIndex(this.materialFrond, materials, false);
float num20 = 1f - node.capRange;
for (int num21 = 0; num21 < this.frondCount; num21++)
{
float num22 = this.frondCrease * 90f * 0.0174532924f;
float num23 = (this.frondRotation * 360f + (float)num21 * 180f / (float)this.frondCount - 90f) * 0.0174532924f;
float f = -num23 - num22;
float f2 = num23 - num22;
Vector3 a = new Vector3(Mathf.Sin(f), 0f, Mathf.Cos(f));
Vector3 vector2 = new Vector3(a.z, 0f, -a.x);
Vector3 a2 = new Vector3(Mathf.Sin(f2), 0f, -Mathf.Cos(f2));
Vector3 vector3 = new Vector3(-a2.z, 0f, a2.x);
for (int num24 = 0; num24 < adaptiveSamples.Count; num24++)
{
float num25 = adaptiveSamples[num24];
float y = (num25 - num17) / (num18 - num17);
float timeParam = num25;
if (num25 > num20)
{
timeParam = num20;
float f3 = Mathf.Acos(Mathf.Clamp01((num25 - num20) / node.capRange));
float num26 = Mathf.Sin(f3);
float y2 = Mathf.Cos(f3) * this.capSmoothing;
a = new Vector3(Mathf.Sin(f) * num26, y2, Mathf.Cos(f) * num26);
vector2 = new Vector3(a.z, a.y, -a.x);
a2 = new Vector3(Mathf.Sin(f2) * num26, y2, -Mathf.Cos(f2) * num26);
vector3 = new Vector3(-a2.z, a2.y, a2.x);
}
Vector3 a3 = new Vector3(0f, 0f, -1f);
Vector3 positionAtTime2 = node.spline.GetPositionAtTime(timeParam);
Quaternion rotationAtTime2 = node.spline.GetRotationAtTime(num25);
float d2 = Mathf.Clamp01(this.frondCurve.Evaluate(num25)) * this.frondWidth * node.GetScale();
Matrix4x4 matrix4x = node.matrix * Matrix4x4.TRS(positionAtTime2, rotationAtTime2, new Vector3(1f, 1f, 1f));
if (TreeGroup.GenerateDoubleSidedGeometry)
{
for (float num27 = -1f; num27 < 2f; num27 += 2f)
{
TreeVertex treeVertex = new TreeVertex();
treeVertex.pos = matrix4x.MultiplyPoint(a * d2);
treeVertex.nor = matrix4x.MultiplyVector(vector2 * num27).normalized;
treeVertex.tangent = TreeGroup.CreateTangent(node, rotationAtTime2, treeVertex.nor);
treeVertex.tangent.w = -num27;
treeVertex.uv0 = new Vector2(1f, y);
TreeVertex treeVertex2 = new TreeVertex();
treeVertex2.pos = matrix4x.MultiplyPoint(Vector3.zero);
treeVertex2.nor = matrix4x.MultiplyVector(a3 * num27).normalized;
treeVertex2.tangent = TreeGroup.CreateTangent(node, rotationAtTime2, treeVertex2.nor);
treeVertex2.tangent.w = -num27;
treeVertex2.uv0 = new Vector2(0.5f, y);
TreeVertex treeVertex3 = new TreeVertex();
treeVertex3.pos = matrix4x.MultiplyPoint(Vector3.zero);
treeVertex3.nor = matrix4x.MultiplyVector(a3 * num27).normalized;
treeVertex3.tangent = TreeGroup.CreateTangent(node, rotationAtTime2, treeVertex3.nor);
treeVertex3.tangent.w = -num27;
treeVertex3.uv0 = new Vector2(0.5f, y);
TreeVertex treeVertex4 = new TreeVertex();
treeVertex4.pos = matrix4x.MultiplyPoint(a2 * d2);
treeVertex4.nor = matrix4x.MultiplyVector(vector3 * num27).normalized;
treeVertex4.tangent = TreeGroup.CreateTangent(node, rotationAtTime2, treeVertex4.nor);
treeVertex4.tangent.w = -num27;
treeVertex4.uv0 = new Vector2(0f, y);
Vector2 vector4 = base.ComputeWindFactor(node, num25);
treeVertex.SetAnimationProperties(vector4.x, vector4.y, this.animationEdge, node.animSeed);
treeVertex2.SetAnimationProperties(vector4.x, vector4.y, 0f, node.animSeed);
treeVertex3.SetAnimationProperties(vector4.x, vector4.y, 0f, node.animSeed);
treeVertex4.SetAnimationProperties(vector4.x, vector4.y, this.animationEdge, node.animSeed);
verts.Add(treeVertex);
verts.Add(treeVertex2);
verts.Add(treeVertex3);
verts.Add(treeVertex4);
}
if (num24 > 0)
{
int count4 = verts.Count;
TreeTriangle treeTriangle = new TreeTriangle(materialIndex3, count4 - 4, count4 - 3, count4 - 11);
TreeTriangle treeTriangle2 = new TreeTriangle(materialIndex3, count4 - 4, count4 - 11, count4 - 12);
treeTriangle.flip();
treeTriangle2.flip();
TreeTriangle item = new TreeTriangle(materialIndex3, count4 - 8, count4 - 7, count4 - 15);
TreeTriangle item2 = new TreeTriangle(materialIndex3, count4 - 8, count4 - 15, count4 - 16);
tris.Add(treeTriangle);
tris.Add(treeTriangle2);
tris.Add(item);
tris.Add(item2);
TreeTriangle item3 = new TreeTriangle(materialIndex3, count4 - 2, count4 - 9, count4 - 1);
TreeTriangle item4 = new TreeTriangle(materialIndex3, count4 - 2, count4 - 10, count4 - 9);
TreeTriangle treeTriangle3 = new TreeTriangle(materialIndex3, count4 - 6, count4 - 13, count4 - 5);
TreeTriangle treeTriangle4 = new TreeTriangle(materialIndex3, count4 - 6, count4 - 14, count4 - 13);
treeTriangle3.flip();
treeTriangle4.flip();
tris.Add(item3);
tris.Add(item4);
tris.Add(treeTriangle3);
tris.Add(treeTriangle4);
}
}
else
{
TreeVertex treeVertex5 = new TreeVertex();
treeVertex5.pos = matrix4x.MultiplyPoint(a * d2);
treeVertex5.nor = matrix4x.MultiplyVector(vector2).normalized;
treeVertex5.uv0 = new Vector2(0f, y);
TreeVertex treeVertex6 = new TreeVertex();
treeVertex6.pos = matrix4x.MultiplyPoint(Vector3.zero);
treeVertex6.nor = matrix4x.MultiplyVector(Vector3.back).normalized;
treeVertex6.uv0 = new Vector2(0.5f, y);
TreeVertex treeVertex7 = new TreeVertex();
treeVertex7.pos = matrix4x.MultiplyPoint(a2 * d2);
treeVertex7.nor = matrix4x.MultiplyVector(vector3).normalized;
treeVertex7.uv0 = new Vector2(1f, y);
Vector2 vector5 = base.ComputeWindFactor(node, num25);
treeVertex5.SetAnimationProperties(vector5.x, vector5.y, this.animationEdge, node.animSeed);
treeVertex6.SetAnimationProperties(vector5.x, vector5.y, 0f, node.animSeed);
treeVertex7.SetAnimationProperties(vector5.x, vector5.y, this.animationEdge, node.animSeed);
verts.Add(treeVertex5);
verts.Add(treeVertex6);
verts.Add(treeVertex7);
if (num24 > 0)
{
int count5 = verts.Count;
TreeTriangle item5 = new TreeTriangle(materialIndex3, count5 - 2, count5 - 3, count5 - 6);
TreeTriangle item6 = new TreeTriangle(materialIndex3, count5 - 2, count5 - 6, count5 - 5);
tris.Add(item5);
tris.Add(item6);
TreeTriangle item7 = new TreeTriangle(materialIndex3, count5 - 2, count5 - 4, count5 - 1);
TreeTriangle item8 = new TreeTriangle(materialIndex3, count5 - 2, count5 - 5, count5 - 4);
tris.Add(item7);
tris.Add(item8);
}
}
}
}
}
if ((buildFlags & 1) != 0)
{
for (int num28 = count; num28 < verts.Count; num28++)
{
verts[num28].SetAmbientOcclusion(TreeGroup.ComputeAmbientOcclusion(verts[num28].pos, verts[num28].nor, aoSpheres, aoDensity));
}
}
node.vertEnd = verts.Count;
Profiler.EndSample();
}
private void UpdateNodeMesh(TreeNode node, List<TreeMaterial> materials, List<TreeVertex> verts, List<TreeTriangle> tris, List<TreeAOSphere> aoSpheres, int buildFlags, float adaptiveQuality, float aoDensity)
{
node.triStart = tris.Count;
node.triEnd = tris.Count;
node.vertStart = verts.Count;
node.vertEnd = verts.Count;
if (node.visible && base.visible)
{
int count = verts.Count;
float approximateLength = node.spline.GetApproximateLength();
List<RingLoop> list = new List<RingLoop>();
float num3 = Mathf.Clamp01(adaptiveQuality * this.lodQualityMultiplier);
List<float> list2 = TreeData.GetAdaptiveSamples(this, node, num3);
int adaptiveRadialSegments = TreeData.GetAdaptiveRadialSegments(this.radius, num3);
TreeGroupBranch parentGroup = null;
if ((base.parentGroup != null) && (base.parentGroup.GetType() == typeof(TreeGroupBranch)))
{
parentGroup = (TreeGroupBranch) base.parentGroup;
}
if ((this.geometryMode == GeometryMode.BranchFrond) || (this.geometryMode == GeometryMode.Branch))
{
int materialIndex = TreeGroup.GetMaterialIndex(this.materialBranch, materials, true);
float bOffset = 0f;
float num7 = 0f;
float num8 = approximateLength / ((this.GetRadiusAtTime(node, 0f, false) * 3.141593f) * 2f);
bool flag = true;
if ((node.parent != null) && (parentGroup != null))
{
num7 = node.offset * node.parent.spline.GetApproximateLength();
}
float num9 = 1f - node.capRange;
for (int i = 0; i < list2.Count; i++)
{
float timeParam = list2[i];
Vector3 positionAtTime = node.spline.GetPositionAtTime(timeParam);
Quaternion rotationAtTime = node.spline.GetRotationAtTime(timeParam);
float r = this.GetRadiusAtTime(node, timeParam, false);
Matrix4x4 m = node.matrix * Matrix4x4.TRS(positionAtTime, rotationAtTime, new Vector3(1f, 1f, 1f));
Vector3 flareWeldAtTime = this.GetFlareWeldAtTime(node, timeParam);
float num13 = Mathf.Max(flareWeldAtTime.x, Mathf.Max(flareWeldAtTime.y, flareWeldAtTime.z) * 0.25f);
if (timeParam <= num9)
{
adaptiveRadialSegments = TreeData.GetAdaptiveRadialSegments(r + num13, num3);
}
if (flag)
{
if (i > 0)
{
float t = list2[i - 1];
float num15 = timeParam - t;
float num16 = (r + this.GetRadiusAtTime(node, t, false)) * 0.5f;
bOffset += (num15 * approximateLength) / ((num16 * 3.141593f) * 2f);
}
}
else
{
bOffset = num7 + (timeParam * num8);
}
Vector2 vector3 = base.ComputeWindFactor(node, timeParam);
RingLoop item = new RingLoop();
item.Reset(r, m, bOffset, adaptiveRadialSegments);
item.SetSurfaceAngle(node.GetSurfaceAngleAtTime(timeParam));
item.SetAnimationProperties(vector3.x, vector3.y, 0f, node.animSeed);
item.SetSpread(flareWeldAtTime.y, flareWeldAtTime.z);
item.SetNoise(this.noise * Mathf.Clamp01(this.noiseCurve.Evaluate(timeParam)), this.noiseScaleU * 10f, this.noiseScaleV * 10f);
item.SetFlares(flareWeldAtTime.x, this.flareNoise * 10f);
int num17 = verts.Count;
item.BuildVertices(verts);
int num18 = verts.Count;
if ((buildFlags & 2) != 0)
{
float weldHeight = this.weldHeight;
float num20 = Mathf.Pow(Mathf.Clamp01(((1f - timeParam) - (1f - this.weldHeight)) / this.weldHeight), 1.5f);
float num21 = 1f - num20;
if ((timeParam < weldHeight) && ((node.parent != null) && (node.parent.spline != null)))
{
Ray ray = new Ray();
for (int k = num17; k < num18; k++)
{
ray.origin = verts[k].pos;
ray.direction = m.MultiplyVector(-Vector3.up);
Vector3 pos = verts[k].pos;
Vector3 nor = verts[k].nor;
float num23 = -10000f;
float num24 = 100000f;
for (int n = node.parent.triStart; n < node.parent.triEnd; n++)
{
object obj2 = MathUtils.IntersectRayTriangle(ray, verts[tris[n].v[0]].pos, verts[tris[n].v[1]].pos, verts[tris[n].v[2]].pos, true);
if (obj2 != null)
{
RaycastHit hit = (RaycastHit) obj2;
if ((Mathf.Abs(hit.distance) < num24) && (hit.distance > num23))
{
num24 = Mathf.Abs(hit.distance);
verts[k].nor = (Vector3) (((verts[tris[n].v[0]].nor * hit.barycentricCoordinate.x) + (verts[tris[n].v[1]].nor * hit.barycentricCoordinate.y)) + (verts[tris[n].v[2]].nor * hit.barycentricCoordinate.z));
verts[k].nor = (Vector3) ((verts[k].nor * num20) + (nor * num21));
verts[k].pos = (Vector3) ((hit.point * num20) + (pos * num21));
}
}
}
}
}
}
list.Add(item);
if ((timeParam == 1f) && (item.radius > 0.005f))
{
RingLoop loop2 = item.Clone();
loop2.radius = 0f;
loop2.baseOffset += r / 6.283185f;
loop2.BuildVertices(verts);
list.Add(loop2);
}
}
if (((list.Count > 0) && (list[list.Count - 1].radius > 0.025f)) && (node.breakOffset < 1f))
{
float mappingScale = 1f / ((this.radius * 3.141593f) * 2f);
float sphereFactor = 0f;
float noise = 1f;
int mappingMode = 0;
Material materialBranch = this.materialBranch;
if (this.materialBreak != null)
{
materialBranch = this.materialBreak;
}
int num30 = TreeGroup.GetMaterialIndex(materialBranch, materials, false);
list[list.Count - 1].Cap(sphereFactor, noise, mappingMode, mappingScale, verts, tris, num30);
}
node.triStart = tris.Count;
for (int j = 0; j < (list.Count - 1); j++)
{
list[j].Connect(list[j + 1], tris, materialIndex, false, false);
}
node.triEnd = tris.Count;
list.Clear();
}
float num32 = Mathf.Min(this.frondRange.x, this.frondRange.y);
float num33 = Mathf.Max(this.frondRange.x, this.frondRange.y);
float num34 = num32;
float num35 = num33;
num32 = Mathf.Clamp(num32, 0f, node.breakOffset);
num33 = Mathf.Clamp(num33, 0f, node.breakOffset);
if (((this.geometryMode == GeometryMode.BranchFrond) || (this.geometryMode == GeometryMode.Frond)) && ((this.frondCount > 0) && (num32 != num33)))
{
bool flag2 = true;
bool flag3 = true;
for (int num36 = 0; num36 < list2.Count; num36++)
{
float num37 = list2[num36];
if (num37 < num32)
{
list2.RemoveAt(num36);
num36--;
}
else if (num37 == num32)
{
flag2 = false;
}
else if (num37 == num33)
{
flag3 = false;
}
else if (num37 > num33)
{
list2.RemoveAt(num36);
num36--;
}
}
if (flag2)
{
list2.Insert(0, num32);
}
if (flag3)
{
list2.Add(num33);
}
int material = TreeGroup.GetMaterialIndex(this.materialFrond, materials, false);
float num39 = 1f - node.capRange;
for (int num40 = 0; num40 < this.frondCount; num40++)
{
float num41 = (this.frondCrease * 90f) * 0.01745329f;
float num42 = (((this.frondRotation * 360f) + ((num40 * 180f) / ((float) this.frondCount))) - 90f) * 0.01745329f;
float f = -num42 - num41;
float num44 = num42 - num41;
Vector3 vector9 = new Vector3(Mathf.Sin(f), 0f, Mathf.Cos(f));
Vector3 v = new Vector3(vector9.z, 0f, -vector9.x);
Vector3 vector11 = new Vector3(Mathf.Sin(num44), 0f, -Mathf.Cos(num44));
Vector3 vector12 = new Vector3(-vector11.z, 0f, vector11.x);
for (int num45 = 0; num45 < list2.Count; num45++)
{
float num46 = list2[num45];
float y = (num46 - num34) / (num35 - num34);
float num48 = num46;
if (num46 > num39)
{
num48 = num39;
float num49 = Mathf.Acos(Mathf.Clamp01((num46 - num39) / node.capRange));
float num50 = Mathf.Sin(num49);
float num51 = Mathf.Cos(num49) * this.capSmoothing;
vector9 = new Vector3(Mathf.Sin(f) * num50, num51, Mathf.Cos(f) * num50);
v = new Vector3(vector9.z, vector9.y, -vector9.x);
vector11 = new Vector3(Mathf.Sin(num44) * num50, num51, -Mathf.Cos(num44) * num50);
vector12 = new Vector3(-vector11.z, vector11.y, vector11.x);
}
Vector3 vector13 = new Vector3(0f, 0f, -1f);
Vector3 vector14 = node.spline.GetPositionAtTime(num48);
Quaternion q = node.spline.GetRotationAtTime(num46);
float num52 = (Mathf.Clamp01(this.frondCurve.Evaluate(num46)) * this.frondWidth) * node.GetScale();
Matrix4x4 matrixx2 = node.matrix * Matrix4x4.TRS(vector14, q, new Vector3(1f, 1f, 1f));
if (TreeGroup.GenerateDoubleSidedGeometry)
{
for (float num53 = -1f; num53 < 2f; num53 += 2f)
{
TreeVertex vertex = new TreeVertex {
pos = matrixx2.MultiplyPoint((Vector3) (vector9 * num52)),
nor = matrixx2.MultiplyVector((Vector3) (v * num53)).normalized
};
vertex.tangent = TreeGroup.CreateTangent(node, q, vertex.nor);
vertex.tangent.w = -num53;
vertex.uv0 = new Vector2(1f, y);
TreeVertex vertex2 = new TreeVertex {
pos = matrixx2.MultiplyPoint(Vector3.zero),
nor = matrixx2.MultiplyVector((Vector3) (vector13 * num53)).normalized
};
vertex2.tangent = TreeGroup.CreateTangent(node, q, vertex2.nor);
vertex2.tangent.w = -num53;
vertex2.uv0 = new Vector2(0.5f, y);
TreeVertex vertex3 = new TreeVertex {
pos = matrixx2.MultiplyPoint(Vector3.zero),
nor = matrixx2.MultiplyVector((Vector3) (vector13 * num53)).normalized
};
vertex3.tangent = TreeGroup.CreateTangent(node, q, vertex3.nor);
vertex3.tangent.w = -num53;
vertex3.uv0 = new Vector2(0.5f, y);
TreeVertex vertex4 = new TreeVertex {
pos = matrixx2.MultiplyPoint((Vector3) (vector11 * num52)),
nor = matrixx2.MultiplyVector((Vector3) (vector12 * num53)).normalized
};
vertex4.tangent = TreeGroup.CreateTangent(node, q, vertex4.nor);
vertex4.tangent.w = -num53;
vertex4.uv0 = new Vector2(0f, y);
Vector2 vector19 = base.ComputeWindFactor(node, num46);
vertex.SetAnimationProperties(vector19.x, vector19.y, base.animationEdge, node.animSeed);
vertex2.SetAnimationProperties(vector19.x, vector19.y, 0f, node.animSeed);
vertex3.SetAnimationProperties(vector19.x, vector19.y, 0f, node.animSeed);
vertex4.SetAnimationProperties(vector19.x, vector19.y, base.animationEdge, node.animSeed);
verts.Add(vertex);
verts.Add(vertex2);
verts.Add(vertex3);
verts.Add(vertex4);
}
if (num45 > 0)
{
int num54 = verts.Count;
TreeTriangle triangle = new TreeTriangle(material, num54 - 4, num54 - 3, num54 - 11);
TreeTriangle triangle2 = new TreeTriangle(material, num54 - 4, num54 - 11, num54 - 12);
triangle.flip();
triangle2.flip();
TreeTriangle triangle3 = new TreeTriangle(material, num54 - 8, num54 - 7, num54 - 15);
TreeTriangle triangle4 = new TreeTriangle(material, num54 - 8, num54 - 15, num54 - 0x10);
tris.Add(triangle);
tris.Add(triangle2);
tris.Add(triangle3);
tris.Add(triangle4);
TreeTriangle triangle5 = new TreeTriangle(material, num54 - 2, num54 - 9, num54 - 1);
TreeTriangle triangle6 = new TreeTriangle(material, num54 - 2, num54 - 10, num54 - 9);
TreeTriangle triangle7 = new TreeTriangle(material, num54 - 6, num54 - 13, num54 - 5);
TreeTriangle triangle8 = new TreeTriangle(material, num54 - 6, num54 - 14, num54 - 13);
triangle7.flip();
triangle8.flip();
tris.Add(triangle5);
tris.Add(triangle6);
tris.Add(triangle7);
tris.Add(triangle8);
}
}
else
{
TreeVertex vertex5 = new TreeVertex {
pos = matrixx2.MultiplyPoint((Vector3) (vector9 * num52)),
nor = matrixx2.MultiplyVector(v).normalized,
uv0 = new Vector2(0f, y)
};
TreeVertex vertex6 = new TreeVertex {
pos = matrixx2.MultiplyPoint(Vector3.zero),
nor = matrixx2.MultiplyVector(Vector3.back).normalized,
uv0 = new Vector2(0.5f, y)
};
TreeVertex vertex7 = new TreeVertex {
pos = matrixx2.MultiplyPoint((Vector3) (vector11 * num52)),
nor = matrixx2.MultiplyVector(vector12).normalized,
uv0 = new Vector2(1f, y)
};
Vector2 vector23 = base.ComputeWindFactor(node, num46);
vertex5.SetAnimationProperties(vector23.x, vector23.y, base.animationEdge, node.animSeed);
vertex6.SetAnimationProperties(vector23.x, vector23.y, 0f, node.animSeed);
vertex7.SetAnimationProperties(vector23.x, vector23.y, base.animationEdge, node.animSeed);
verts.Add(vertex5);
verts.Add(vertex6);
verts.Add(vertex7);
if (num45 > 0)
{
int num55 = verts.Count;
TreeTriangle triangle9 = new TreeTriangle(material, num55 - 2, num55 - 3, num55 - 6);
TreeTriangle triangle10 = new TreeTriangle(material, num55 - 2, num55 - 6, num55 - 5);
tris.Add(triangle9);
tris.Add(triangle10);
TreeTriangle triangle11 = new TreeTriangle(material, num55 - 2, num55 - 4, num55 - 1);
TreeTriangle triangle12 = new TreeTriangle(material, num55 - 2, num55 - 5, num55 - 4);
tris.Add(triangle11);
tris.Add(triangle12);
}
}
}
}
}
if ((buildFlags & 1) != 0)
{
for (int num56 = count; num56 < verts.Count; num56++)
{
verts[num56].SetAmbientOcclusion(TreeGroup.ComputeAmbientOcclusion(verts[num56].pos, verts[num56].nor, aoSpheres, aoDensity));
}
}
node.vertEnd = verts.Count;
}
}
public void Connect(RingLoop other, List <TreeTriangle> tris, int materialIndex, bool flipTris, bool lowres)
{
// Must connect from higher to lower/equal res
if (other.segments > segments)
{
other.Connect(this, tris, materialIndex, true, lowres);
return;
}
if (lowres)
{
//
// Lowres should always have an even number of vertices per ring-loop, and the same amount for each loop
//
for (int i = 0; i < (segments / 2); i++)
{
int a0 = 0 + i + other.vertOffset;
int a1 = (other.segments / 2) + i + other.vertOffset;
int b0 = 0 + i + vertOffset;
int b1 = (segments / 2) + i + vertOffset;
// reverse order, if needed
if (flipTris)
{
int temp = a0;
a0 = a1;
a1 = temp;
temp = b0;
b0 = b1;
b1 = temp;
}
// add to triangle list
tris.Add(new TreeTriangle(materialIndex, a0, a1, b0, false, true, false));
tris.Add(new TreeTriangle(materialIndex, a1, b1, b0, false, true, false));
}
}
else
{
for (int i = 0; i < segments; i++)
{
// find matching vertices on the other ring loop
int connect0 = Mathf.Min((int)Mathf.Round((i / (float)segments) * other.segments), other.segments);
int connect1 = Mathf.Min((int)Mathf.Round(((i + 1) / (float)segments) * other.segments), other.segments);
// next vertex on this ring loop
int k = Mathf.Min(i + 1, segments);
// first triangle for this segment
int v0 = connect0 + other.vertOffset;
int v1 = i + vertOffset;
int v2 = connect1 + other.vertOffset;
// second triangle for this segment
int v3 = i + vertOffset;
int v4 = k + vertOffset;
int v5 = connect1 + other.vertOffset;
// reverse order, if needed
if (flipTris)
{
int temp = v1;
v1 = v0;
v0 = temp;
temp = v4;
v4 = v3;
v3 = temp;
}
// add to triangle list
tris.Add(new TreeTriangle(materialIndex, v0, v1, v2, false, true, false));
tris.Add(new TreeTriangle(materialIndex, v3, v4, v5, false, true, false));
}
}
}
private void UpdateNodeMesh(TreeNode node, List <TreeMaterial> materials, List <TreeVertex> verts, List <TreeTriangle> tris, List <TreeAOSphere> aoSpheres, int buildFlags, float adaptiveQuality, float aoDensity)
{
node.triStart = tris.Count;
node.triEnd = tris.Count;
node.vertStart = verts.Count;
node.vertEnd = verts.Count;
if (node.visible && base.visible)
{
int count = verts.Count;
float approximateLength = node.spline.GetApproximateLength();
List <RingLoop> list = new List <RingLoop>();
float num3 = Mathf.Clamp01(adaptiveQuality * this.lodQualityMultiplier);
List <float> list2 = TreeData.GetAdaptiveSamples(this, node, num3);
int adaptiveRadialSegments = TreeData.GetAdaptiveRadialSegments(this.radius, num3);
TreeGroupBranch parentGroup = null;
if ((base.parentGroup != null) && (base.parentGroup.GetType() == typeof(TreeGroupBranch)))
{
parentGroup = (TreeGroupBranch)base.parentGroup;
}
if ((this.geometryMode == GeometryMode.BranchFrond) || (this.geometryMode == GeometryMode.Branch))
{
int materialIndex = TreeGroup.GetMaterialIndex(this.materialBranch, materials, true);
float bOffset = 0f;
float num7 = 0f;
float num8 = approximateLength / ((this.GetRadiusAtTime(node, 0f, false) * 3.141593f) * 2f);
bool flag = true;
if ((node.parent != null) && (parentGroup != null))
{
num7 = node.offset * node.parent.spline.GetApproximateLength();
}
float num9 = 1f - node.capRange;
for (int i = 0; i < list2.Count; i++)
{
float timeParam = list2[i];
Vector3 positionAtTime = node.spline.GetPositionAtTime(timeParam);
Quaternion rotationAtTime = node.spline.GetRotationAtTime(timeParam);
float r = this.GetRadiusAtTime(node, timeParam, false);
Matrix4x4 m = node.matrix * Matrix4x4.TRS(positionAtTime, rotationAtTime, new Vector3(1f, 1f, 1f));
Vector3 flareWeldAtTime = this.GetFlareWeldAtTime(node, timeParam);
float num13 = Mathf.Max(flareWeldAtTime.x, Mathf.Max(flareWeldAtTime.y, flareWeldAtTime.z) * 0.25f);
if (timeParam <= num9)
{
adaptiveRadialSegments = TreeData.GetAdaptiveRadialSegments(r + num13, num3);
}
if (flag)
{
if (i > 0)
{
float t = list2[i - 1];
float num15 = timeParam - t;
float num16 = (r + this.GetRadiusAtTime(node, t, false)) * 0.5f;
bOffset += (num15 * approximateLength) / ((num16 * 3.141593f) * 2f);
}
}
else
{
bOffset = num7 + (timeParam * num8);
}
Vector2 vector3 = base.ComputeWindFactor(node, timeParam);
RingLoop item = new RingLoop();
item.Reset(r, m, bOffset, adaptiveRadialSegments);
item.SetSurfaceAngle(node.GetSurfaceAngleAtTime(timeParam));
item.SetAnimationProperties(vector3.x, vector3.y, 0f, node.animSeed);
item.SetSpread(flareWeldAtTime.y, flareWeldAtTime.z);
item.SetNoise(this.noise * Mathf.Clamp01(this.noiseCurve.Evaluate(timeParam)), this.noiseScaleU * 10f, this.noiseScaleV * 10f);
item.SetFlares(flareWeldAtTime.x, this.flareNoise * 10f);
int num17 = verts.Count;
item.BuildVertices(verts);
int num18 = verts.Count;
if ((buildFlags & 2) != 0)
{
float weldHeight = this.weldHeight;
float num20 = Mathf.Pow(Mathf.Clamp01(((1f - timeParam) - (1f - this.weldHeight)) / this.weldHeight), 1.5f);
float num21 = 1f - num20;
if ((timeParam < weldHeight) && ((node.parent != null) && (node.parent.spline != null)))
{
Ray ray = new Ray();
for (int k = num17; k < num18; k++)
{
ray.origin = verts[k].pos;
ray.direction = m.MultiplyVector(-Vector3.up);
Vector3 pos = verts[k].pos;
Vector3 nor = verts[k].nor;
float num23 = -10000f;
float num24 = 100000f;
for (int n = node.parent.triStart; n < node.parent.triEnd; n++)
{
object obj2 = MathUtils.IntersectRayTriangle(ray, verts[tris[n].v[0]].pos, verts[tris[n].v[1]].pos, verts[tris[n].v[2]].pos, true);
if (obj2 != null)
{
RaycastHit hit = (RaycastHit)obj2;
if ((Mathf.Abs(hit.distance) < num24) && (hit.distance > num23))
{
num24 = Mathf.Abs(hit.distance);
verts[k].nor = (Vector3)(((verts[tris[n].v[0]].nor * hit.barycentricCoordinate.x) + (verts[tris[n].v[1]].nor * hit.barycentricCoordinate.y)) + (verts[tris[n].v[2]].nor * hit.barycentricCoordinate.z));
verts[k].nor = (Vector3)((verts[k].nor * num20) + (nor * num21));
verts[k].pos = (Vector3)((hit.point * num20) + (pos * num21));
}
}
}
}
}
}
list.Add(item);
if ((timeParam == 1f) && (item.radius > 0.005f))
{
RingLoop loop2 = item.Clone();
loop2.radius = 0f;
loop2.baseOffset += r / 6.283185f;
loop2.BuildVertices(verts);
list.Add(loop2);
}
}
if (((list.Count > 0) && (list[list.Count - 1].radius > 0.025f)) && (node.breakOffset < 1f))
{
float mappingScale = 1f / ((this.radius * 3.141593f) * 2f);
float sphereFactor = 0f;
float noise = 1f;
int mappingMode = 0;
Material materialBranch = this.materialBranch;
if (this.materialBreak != null)
{
materialBranch = this.materialBreak;
}
int num30 = TreeGroup.GetMaterialIndex(materialBranch, materials, false);
list[list.Count - 1].Cap(sphereFactor, noise, mappingMode, mappingScale, verts, tris, num30);
}
node.triStart = tris.Count;
for (int j = 0; j < (list.Count - 1); j++)
{
list[j].Connect(list[j + 1], tris, materialIndex, false, false);
}
node.triEnd = tris.Count;
list.Clear();
}
float num32 = Mathf.Min(this.frondRange.x, this.frondRange.y);
float num33 = Mathf.Max(this.frondRange.x, this.frondRange.y);
float num34 = num32;
float num35 = num33;
num32 = Mathf.Clamp(num32, 0f, node.breakOffset);
num33 = Mathf.Clamp(num33, 0f, node.breakOffset);
if (((this.geometryMode == GeometryMode.BranchFrond) || (this.geometryMode == GeometryMode.Frond)) && ((this.frondCount > 0) && (num32 != num33)))
{
bool flag2 = true;
bool flag3 = true;
for (int num36 = 0; num36 < list2.Count; num36++)
{
float num37 = list2[num36];
if (num37 < num32)
{
list2.RemoveAt(num36);
num36--;
}
else if (num37 == num32)
{
flag2 = false;
}
else if (num37 == num33)
{
flag3 = false;
}
else if (num37 > num33)
{
list2.RemoveAt(num36);
num36--;
}
}
if (flag2)
{
list2.Insert(0, num32);
}
if (flag3)
{
list2.Add(num33);
}
int material = TreeGroup.GetMaterialIndex(this.materialFrond, materials, false);
float num39 = 1f - node.capRange;
for (int num40 = 0; num40 < this.frondCount; num40++)
{
float num41 = (this.frondCrease * 90f) * 0.01745329f;
float num42 = (((this.frondRotation * 360f) + ((num40 * 180f) / ((float)this.frondCount))) - 90f) * 0.01745329f;
float f = -num42 - num41;
float num44 = num42 - num41;
Vector3 vector9 = new Vector3(Mathf.Sin(f), 0f, Mathf.Cos(f));
Vector3 v = new Vector3(vector9.z, 0f, -vector9.x);
Vector3 vector11 = new Vector3(Mathf.Sin(num44), 0f, -Mathf.Cos(num44));
Vector3 vector12 = new Vector3(-vector11.z, 0f, vector11.x);
for (int num45 = 0; num45 < list2.Count; num45++)
{
float num46 = list2[num45];
float y = (num46 - num34) / (num35 - num34);
float num48 = num46;
if (num46 > num39)
{
num48 = num39;
float num49 = Mathf.Acos(Mathf.Clamp01((num46 - num39) / node.capRange));
float num50 = Mathf.Sin(num49);
float num51 = Mathf.Cos(num49) * this.capSmoothing;
vector9 = new Vector3(Mathf.Sin(f) * num50, num51, Mathf.Cos(f) * num50);
v = new Vector3(vector9.z, vector9.y, -vector9.x);
vector11 = new Vector3(Mathf.Sin(num44) * num50, num51, -Mathf.Cos(num44) * num50);
vector12 = new Vector3(-vector11.z, vector11.y, vector11.x);
}
Vector3 vector13 = new Vector3(0f, 0f, -1f);
Vector3 vector14 = node.spline.GetPositionAtTime(num48);
Quaternion q = node.spline.GetRotationAtTime(num46);
float num52 = (Mathf.Clamp01(this.frondCurve.Evaluate(num46)) * this.frondWidth) * node.GetScale();
Matrix4x4 matrixx2 = node.matrix * Matrix4x4.TRS(vector14, q, new Vector3(1f, 1f, 1f));
if (TreeGroup.GenerateDoubleSidedGeometry)
{
for (float num53 = -1f; num53 < 2f; num53 += 2f)
{
TreeVertex vertex = new TreeVertex {
pos = matrixx2.MultiplyPoint((Vector3)(vector9 * num52)),
nor = matrixx2.MultiplyVector((Vector3)(v * num53)).normalized
};
vertex.tangent = TreeGroup.CreateTangent(node, q, vertex.nor);
vertex.tangent.w = -num53;
vertex.uv0 = new Vector2(1f, y);
TreeVertex vertex2 = new TreeVertex {
pos = matrixx2.MultiplyPoint(Vector3.zero),
nor = matrixx2.MultiplyVector((Vector3)(vector13 * num53)).normalized
};
vertex2.tangent = TreeGroup.CreateTangent(node, q, vertex2.nor);
vertex2.tangent.w = -num53;
vertex2.uv0 = new Vector2(0.5f, y);
TreeVertex vertex3 = new TreeVertex {
pos = matrixx2.MultiplyPoint(Vector3.zero),
nor = matrixx2.MultiplyVector((Vector3)(vector13 * num53)).normalized
};
vertex3.tangent = TreeGroup.CreateTangent(node, q, vertex3.nor);
vertex3.tangent.w = -num53;
vertex3.uv0 = new Vector2(0.5f, y);
TreeVertex vertex4 = new TreeVertex {
pos = matrixx2.MultiplyPoint((Vector3)(vector11 * num52)),
nor = matrixx2.MultiplyVector((Vector3)(vector12 * num53)).normalized
};
vertex4.tangent = TreeGroup.CreateTangent(node, q, vertex4.nor);
vertex4.tangent.w = -num53;
vertex4.uv0 = new Vector2(0f, y);
Vector2 vector19 = base.ComputeWindFactor(node, num46);
vertex.SetAnimationProperties(vector19.x, vector19.y, base.animationEdge, node.animSeed);
vertex2.SetAnimationProperties(vector19.x, vector19.y, 0f, node.animSeed);
vertex3.SetAnimationProperties(vector19.x, vector19.y, 0f, node.animSeed);
vertex4.SetAnimationProperties(vector19.x, vector19.y, base.animationEdge, node.animSeed);
verts.Add(vertex);
verts.Add(vertex2);
verts.Add(vertex3);
verts.Add(vertex4);
}
if (num45 > 0)
{
int num54 = verts.Count;
TreeTriangle triangle = new TreeTriangle(material, num54 - 4, num54 - 3, num54 - 11);
TreeTriangle triangle2 = new TreeTriangle(material, num54 - 4, num54 - 11, num54 - 12);
triangle.flip();
triangle2.flip();
TreeTriangle triangle3 = new TreeTriangle(material, num54 - 8, num54 - 7, num54 - 15);
TreeTriangle triangle4 = new TreeTriangle(material, num54 - 8, num54 - 15, num54 - 0x10);
tris.Add(triangle);
tris.Add(triangle2);
tris.Add(triangle3);
tris.Add(triangle4);
TreeTriangle triangle5 = new TreeTriangle(material, num54 - 2, num54 - 9, num54 - 1);
TreeTriangle triangle6 = new TreeTriangle(material, num54 - 2, num54 - 10, num54 - 9);
TreeTriangle triangle7 = new TreeTriangle(material, num54 - 6, num54 - 13, num54 - 5);
TreeTriangle triangle8 = new TreeTriangle(material, num54 - 6, num54 - 14, num54 - 13);
triangle7.flip();
triangle8.flip();
tris.Add(triangle5);
tris.Add(triangle6);
tris.Add(triangle7);
tris.Add(triangle8);
}
}
else
{
TreeVertex vertex5 = new TreeVertex {
pos = matrixx2.MultiplyPoint((Vector3)(vector9 * num52)),
nor = matrixx2.MultiplyVector(v).normalized,
uv0 = new Vector2(0f, y)
};
TreeVertex vertex6 = new TreeVertex {
pos = matrixx2.MultiplyPoint(Vector3.zero),
nor = matrixx2.MultiplyVector(Vector3.back).normalized,
uv0 = new Vector2(0.5f, y)
};
TreeVertex vertex7 = new TreeVertex {
pos = matrixx2.MultiplyPoint((Vector3)(vector11 * num52)),
nor = matrixx2.MultiplyVector(vector12).normalized,
uv0 = new Vector2(1f, y)
};
Vector2 vector23 = base.ComputeWindFactor(node, num46);
vertex5.SetAnimationProperties(vector23.x, vector23.y, base.animationEdge, node.animSeed);
vertex6.SetAnimationProperties(vector23.x, vector23.y, 0f, node.animSeed);
vertex7.SetAnimationProperties(vector23.x, vector23.y, base.animationEdge, node.animSeed);
verts.Add(vertex5);
verts.Add(vertex6);
verts.Add(vertex7);
if (num45 > 0)
{
int num55 = verts.Count;
TreeTriangle triangle9 = new TreeTriangle(material, num55 - 2, num55 - 3, num55 - 6);
TreeTriangle triangle10 = new TreeTriangle(material, num55 - 2, num55 - 6, num55 - 5);
tris.Add(triangle9);
tris.Add(triangle10);
TreeTriangle triangle11 = new TreeTriangle(material, num55 - 2, num55 - 4, num55 - 1);
TreeTriangle triangle12 = new TreeTriangle(material, num55 - 2, num55 - 5, num55 - 4);
tris.Add(triangle11);
tris.Add(triangle12);
}
}
}
}
}
if ((buildFlags & 1) != 0)
{
for (int num56 = count; num56 < verts.Count; num56++)
{
verts[num56].SetAmbientOcclusion(TreeGroup.ComputeAmbientOcclusion(verts[num56].pos, verts[num56].nor, aoSpheres, aoDensity));
}
}
node.vertEnd = verts.Count;
}
}
private void UpdateNodeMesh(TreeNode node, List <TreeMaterial> materials, List <TreeVertex> verts, List <TreeTriangle> tris, List <TreeAOSphere> aoSpheres, int buildFlags, float adaptiveQuality, float aoDensity)
{
node.triStart = tris.Count;
node.triEnd = tris.Count;
node.vertStart = verts.Count;
node.vertEnd = verts.Count;
if (!node.visible || !this.visible)
{
return;
}
Profiler.BeginSample("TreeGroupBranch.UpdateNodeMesh");
int count = verts.Count;
float approximateLength = node.spline.GetApproximateLength();
List <RingLoop> list = new List <RingLoop>();
float adaptiveQuality2 = Mathf.Clamp01(adaptiveQuality * this.lodQualityMultiplier);
List <float> adaptiveSamples = TreeData.GetAdaptiveSamples(this, node, adaptiveQuality2);
int adaptiveRadialSegments = TreeData.GetAdaptiveRadialSegments(this.radius, adaptiveQuality2);
TreeGroupBranch treeGroupBranch = null;
if (this.parentGroup != null && this.parentGroup.GetType() == typeof(TreeGroupBranch))
{
treeGroupBranch = (TreeGroupBranch)this.parentGroup;
}
if (this.geometryMode == TreeGroupBranch.GeometryMode.BranchFrond || this.geometryMode == TreeGroupBranch.GeometryMode.Branch)
{
int materialIndex = TreeGroup.GetMaterialIndex(this.materialBranch, materials, true);
float num = 0f;
float num2 = 0f;
float num3 = approximateLength / (this.GetRadiusAtTime(node, 0f, false) * 3.14159274f * 2f);
bool flag = true;
if (node.parent != null && treeGroupBranch != null)
{
num2 = node.offset * node.parent.spline.GetApproximateLength();
}
float num4 = 1f - node.capRange;
for (int i = 0; i < adaptiveSamples.Count; i++)
{
float num5 = adaptiveSamples[i];
Vector3 positionAtTime = node.spline.GetPositionAtTime(num5);
Quaternion rotationAtTime = node.spline.GetRotationAtTime(num5);
float radiusAtTime = this.GetRadiusAtTime(node, num5, false);
Matrix4x4 m = node.matrix * Matrix4x4.TRS(positionAtTime, rotationAtTime, new Vector3(1f, 1f, 1f));
Vector3 flareWeldAtTime = this.GetFlareWeldAtTime(node, num5);
float num6 = Mathf.Max(flareWeldAtTime.x, Mathf.Max(flareWeldAtTime.y, flareWeldAtTime.z) * 0.25f);
if (num5 <= num4)
{
adaptiveRadialSegments = TreeData.GetAdaptiveRadialSegments(radiusAtTime + num6, adaptiveQuality2);
}
if (flag)
{
if (i > 0)
{
float num7 = adaptiveSamples[i - 1];
float num8 = num5 - num7;
float num9 = (radiusAtTime + this.GetRadiusAtTime(node, num7, false)) * 0.5f;
num += num8 * approximateLength / (num9 * 3.14159274f * 2f);
}
}
else
{
num = num2 + num5 * num3;
}
Vector2 vector = base.ComputeWindFactor(node, num5);
RingLoop ringLoop = new RingLoop();
ringLoop.Reset(radiusAtTime, m, num, adaptiveRadialSegments);
ringLoop.SetSurfaceAngle(node.GetSurfaceAngleAtTime(num5));
ringLoop.SetAnimationProperties(vector.x, vector.y, 0f, node.animSeed);
ringLoop.SetSpread(flareWeldAtTime.y, flareWeldAtTime.z);
ringLoop.SetNoise(this.noise * Mathf.Clamp01(this.noiseCurve.Evaluate(num5)), this.noiseScaleU * 10f, this.noiseScaleV * 10f);
ringLoop.SetFlares(flareWeldAtTime.x, this.flareNoise * 10f);
int count2 = verts.Count;
ringLoop.BuildVertices(verts);
int count3 = verts.Count;
if ((buildFlags & 2) != 0)
{
float num10 = this.weldHeight;
float num11 = Mathf.Pow(Mathf.Clamp01((1f - num5 - (1f - this.weldHeight)) / this.weldHeight), 1.5f);
float d = 1f - num11;
if (num5 < num10 && node.parent != null && node.parent.spline != null)
{
Ray ray = default(Ray);
for (int j = count2; j < count3; j++)
{
ray.origin = verts[j].pos;
ray.direction = m.MultiplyVector(-Vector3.up);
Vector3 pos = verts[j].pos;
Vector3 nor = verts[j].nor;
float num12 = -10000f;
float num13 = 100000f;
for (int k = node.parent.triStart; k < node.parent.triEnd; k++)
{
object obj = MathUtils.IntersectRayTriangle(ray, verts[tris[k].v[0]].pos, verts[tris[k].v[1]].pos, verts[tris[k].v[2]].pos, true);
if (obj != null)
{
RaycastHit raycastHit = (RaycastHit)obj;
if (Mathf.Abs(raycastHit.distance) < num13 && raycastHit.distance > num12)
{
num13 = Mathf.Abs(raycastHit.distance);
verts[j].nor = verts[tris[k].v[0]].nor * raycastHit.barycentricCoordinate.x + verts[tris[k].v[1]].nor * raycastHit.barycentricCoordinate.y + verts[tris[k].v[2]].nor * raycastHit.barycentricCoordinate.z;
verts[j].nor = verts[j].nor * num11 + nor * d;
verts[j].pos = raycastHit.point * num11 + pos * d;
}
}
}
}
}
}
list.Add(ringLoop);
if (num5 == 1f && ringLoop.radius > 0.005f)
{
RingLoop ringLoop2 = ringLoop.Clone();
ringLoop2.radius = 0f;
ringLoop2.baseOffset += radiusAtTime / 6.28318548f;
ringLoop2.BuildVertices(verts);
list.Add(ringLoop2);
}
}
if (list.Count > 0 && list[list.Count - 1].radius > 0.025f && node.breakOffset < 1f)
{
float mappingScale = 1f / (this.radius * 3.14159274f * 2f);
float sphereFactor = 0f;
float num14 = 1f;
int mappingMode = 0;
Material m2 = this.materialBranch;
if (this.materialBreak != null)
{
m2 = this.materialBreak;
}
int materialIndex2 = TreeGroup.GetMaterialIndex(m2, materials, false);
list[list.Count - 1].Cap(sphereFactor, num14, mappingMode, mappingScale, verts, tris, materialIndex2);
}
node.triStart = tris.Count;
for (int l = 0; l < list.Count - 1; l++)
{
list[l].Connect(list[l + 1], tris, materialIndex, false, false);
}
node.triEnd = tris.Count;
list.Clear();
}
float num15 = Mathf.Min(this.frondRange.x, this.frondRange.y);
float num16 = Mathf.Max(this.frondRange.x, this.frondRange.y);
float num17 = num15;
float num18 = num16;
num15 = Mathf.Clamp(num15, 0f, node.breakOffset);
num16 = Mathf.Clamp(num16, 0f, node.breakOffset);
if ((this.geometryMode == TreeGroupBranch.GeometryMode.BranchFrond || this.geometryMode == TreeGroupBranch.GeometryMode.Frond) && this.frondCount > 0 && num15 != num16)
{
bool flag2 = true;
bool flag3 = true;
for (int n = 0; n < adaptiveSamples.Count; n++)
{
float num19 = adaptiveSamples[n];
if (num19 < num15)
{
adaptiveSamples.RemoveAt(n);
n--;
}
else
{
if (num19 == num15)
{
flag2 = false;
}
else
{
if (num19 == num16)
{
flag3 = false;
}
else
{
if (num19 > num16)
{
adaptiveSamples.RemoveAt(n);
n--;
}
}
}
}
}
if (flag2)
{
adaptiveSamples.Insert(0, num15);
}
if (flag3)
{
adaptiveSamples.Add(num16);
}
int materialIndex3 = TreeGroup.GetMaterialIndex(this.materialFrond, materials, false);
float num20 = 1f - node.capRange;
for (int num21 = 0; num21 < this.frondCount; num21++)
{
float num22 = this.frondCrease * 90f * 0.0174532924f;
float num23 = (this.frondRotation * 360f + (float)num21 * 180f / (float)this.frondCount - 90f) * 0.0174532924f;
float f = -num23 - num22;
float f2 = num23 - num22;
Vector3 a = new Vector3(Mathf.Sin(f), 0f, Mathf.Cos(f));
Vector3 vector2 = new Vector3(a.z, 0f, -a.x);
Vector3 a2 = new Vector3(Mathf.Sin(f2), 0f, -Mathf.Cos(f2));
Vector3 vector3 = new Vector3(-a2.z, 0f, a2.x);
for (int num24 = 0; num24 < adaptiveSamples.Count; num24++)
{
float num25 = adaptiveSamples[num24];
float y = (num25 - num17) / (num18 - num17);
float timeParam = num25;
if (num25 > num20)
{
timeParam = num20;
float f3 = Mathf.Acos(Mathf.Clamp01((num25 - num20) / node.capRange));
float num26 = Mathf.Sin(f3);
float y2 = Mathf.Cos(f3) * this.capSmoothing;
a = new Vector3(Mathf.Sin(f) * num26, y2, Mathf.Cos(f) * num26);
vector2 = new Vector3(a.z, a.y, -a.x);
a2 = new Vector3(Mathf.Sin(f2) * num26, y2, -Mathf.Cos(f2) * num26);
vector3 = new Vector3(-a2.z, a2.y, a2.x);
}
Vector3 a3 = new Vector3(0f, 0f, -1f);
Vector3 positionAtTime2 = node.spline.GetPositionAtTime(timeParam);
Quaternion rotationAtTime2 = node.spline.GetRotationAtTime(num25);
float d2 = Mathf.Clamp01(this.frondCurve.Evaluate(num25)) * this.frondWidth * node.GetScale();
Matrix4x4 matrix4x = node.matrix * Matrix4x4.TRS(positionAtTime2, rotationAtTime2, new Vector3(1f, 1f, 1f));
if (TreeGroup.GenerateDoubleSidedGeometry)
{
for (float num27 = -1f; num27 < 2f; num27 += 2f)
{
TreeVertex treeVertex = new TreeVertex();
treeVertex.pos = matrix4x.MultiplyPoint(a * d2);
treeVertex.nor = matrix4x.MultiplyVector(vector2 * num27).normalized;
treeVertex.tangent = TreeGroup.CreateTangent(node, rotationAtTime2, treeVertex.nor);
treeVertex.tangent.w = -num27;
treeVertex.uv0 = new Vector2(1f, y);
TreeVertex treeVertex2 = new TreeVertex();
treeVertex2.pos = matrix4x.MultiplyPoint(Vector3.zero);
treeVertex2.nor = matrix4x.MultiplyVector(a3 * num27).normalized;
treeVertex2.tangent = TreeGroup.CreateTangent(node, rotationAtTime2, treeVertex2.nor);
treeVertex2.tangent.w = -num27;
treeVertex2.uv0 = new Vector2(0.5f, y);
TreeVertex treeVertex3 = new TreeVertex();
treeVertex3.pos = matrix4x.MultiplyPoint(Vector3.zero);
treeVertex3.nor = matrix4x.MultiplyVector(a3 * num27).normalized;
treeVertex3.tangent = TreeGroup.CreateTangent(node, rotationAtTime2, treeVertex3.nor);
treeVertex3.tangent.w = -num27;
treeVertex3.uv0 = new Vector2(0.5f, y);
TreeVertex treeVertex4 = new TreeVertex();
treeVertex4.pos = matrix4x.MultiplyPoint(a2 * d2);
treeVertex4.nor = matrix4x.MultiplyVector(vector3 * num27).normalized;
treeVertex4.tangent = TreeGroup.CreateTangent(node, rotationAtTime2, treeVertex4.nor);
treeVertex4.tangent.w = -num27;
treeVertex4.uv0 = new Vector2(0f, y);
Vector2 vector4 = base.ComputeWindFactor(node, num25);
treeVertex.SetAnimationProperties(vector4.x, vector4.y, this.animationEdge, node.animSeed);
treeVertex2.SetAnimationProperties(vector4.x, vector4.y, 0f, node.animSeed);
treeVertex3.SetAnimationProperties(vector4.x, vector4.y, 0f, node.animSeed);
treeVertex4.SetAnimationProperties(vector4.x, vector4.y, this.animationEdge, node.animSeed);
verts.Add(treeVertex);
verts.Add(treeVertex2);
verts.Add(treeVertex3);
verts.Add(treeVertex4);
}
if (num24 > 0)
{
int count4 = verts.Count;
TreeTriangle treeTriangle = new TreeTriangle(materialIndex3, count4 - 4, count4 - 3, count4 - 11);
TreeTriangle treeTriangle2 = new TreeTriangle(materialIndex3, count4 - 4, count4 - 11, count4 - 12);
treeTriangle.flip();
treeTriangle2.flip();
TreeTriangle item = new TreeTriangle(materialIndex3, count4 - 8, count4 - 7, count4 - 15);
TreeTriangle item2 = new TreeTriangle(materialIndex3, count4 - 8, count4 - 15, count4 - 16);
tris.Add(treeTriangle);
tris.Add(treeTriangle2);
tris.Add(item);
tris.Add(item2);
TreeTriangle item3 = new TreeTriangle(materialIndex3, count4 - 2, count4 - 9, count4 - 1);
TreeTriangle item4 = new TreeTriangle(materialIndex3, count4 - 2, count4 - 10, count4 - 9);
TreeTriangle treeTriangle3 = new TreeTriangle(materialIndex3, count4 - 6, count4 - 13, count4 - 5);
TreeTriangle treeTriangle4 = new TreeTriangle(materialIndex3, count4 - 6, count4 - 14, count4 - 13);
treeTriangle3.flip();
treeTriangle4.flip();
tris.Add(item3);
tris.Add(item4);
tris.Add(treeTriangle3);
tris.Add(treeTriangle4);
}
}
else
{
TreeVertex treeVertex5 = new TreeVertex();
treeVertex5.pos = matrix4x.MultiplyPoint(a * d2);
treeVertex5.nor = matrix4x.MultiplyVector(vector2).normalized;
treeVertex5.uv0 = new Vector2(0f, y);
TreeVertex treeVertex6 = new TreeVertex();
treeVertex6.pos = matrix4x.MultiplyPoint(Vector3.zero);
treeVertex6.nor = matrix4x.MultiplyVector(Vector3.back).normalized;
treeVertex6.uv0 = new Vector2(0.5f, y);
TreeVertex treeVertex7 = new TreeVertex();
treeVertex7.pos = matrix4x.MultiplyPoint(a2 * d2);
treeVertex7.nor = matrix4x.MultiplyVector(vector3).normalized;
treeVertex7.uv0 = new Vector2(1f, y);
Vector2 vector5 = base.ComputeWindFactor(node, num25);
treeVertex5.SetAnimationProperties(vector5.x, vector5.y, this.animationEdge, node.animSeed);
treeVertex6.SetAnimationProperties(vector5.x, vector5.y, 0f, node.animSeed);
treeVertex7.SetAnimationProperties(vector5.x, vector5.y, this.animationEdge, node.animSeed);
verts.Add(treeVertex5);
verts.Add(treeVertex6);
verts.Add(treeVertex7);
if (num24 > 0)
{
int count5 = verts.Count;
TreeTriangle item5 = new TreeTriangle(materialIndex3, count5 - 2, count5 - 3, count5 - 6);
TreeTriangle item6 = new TreeTriangle(materialIndex3, count5 - 2, count5 - 6, count5 - 5);
tris.Add(item5);
tris.Add(item6);
TreeTriangle item7 = new TreeTriangle(materialIndex3, count5 - 2, count5 - 4, count5 - 1);
TreeTriangle item8 = new TreeTriangle(materialIndex3, count5 - 2, count5 - 5, count5 - 4);
tris.Add(item7);
tris.Add(item8);
}
}
}
}
}
if ((buildFlags & 1) != 0)
{
for (int num28 = count; num28 < verts.Count; num28++)
{
verts[num28].SetAmbientOcclusion(TreeGroup.ComputeAmbientOcclusion(verts[num28].pos, verts[num28].nor, aoSpheres, aoDensity));
}
}
node.vertEnd = verts.Count;
Profiler.EndSample();
}
private void UpdateNodeMesh(TreeNode node, List <TreeMaterial> materials, List <TreeVertex> verts, List <TreeTriangle> tris, List <TreeAOSphere> aoSpheres, int buildFlags, float adaptiveQuality, float aoDensity)
{
// Clear tri range
node.triStart = tris.Count;
node.triEnd = tris.Count;
node.vertStart = verts.Count;
node.vertEnd = verts.Count;
// Check for visibility
if (!node.visible || !visible)
{
return;
}
Profiler.BeginSample("TreeGroupBranch.UpdateNodeMesh");
int vertOffset = verts.Count;
float totalHeight = node.spline.GetApproximateLength();// *node.GetScale(); //height * node.GetScale();
// list to hold the ring loops
List <RingLoop> ringloops = new List <RingLoop>();
// Modify LOD to fit local settings
float lodQuality = Mathf.Clamp01(adaptiveQuality * lodQualityMultiplier);
// LOD settings
List <float> heightSamples = TreeData.GetAdaptiveSamples(this, node, lodQuality);
int radialSamples = TreeData.GetAdaptiveRadialSegments(radius, lodQuality);
//
// Parent branch group if any..
TreeGroupBranch parentBranchGroup = null;
if ((parentGroup != null) && (parentGroup.GetType() == typeof(TreeGroupBranch)))
{
parentBranchGroup = (TreeGroupBranch)parentGroup;
}
if ((geometryMode == GeometryMode.BranchFrond) || (geometryMode == GeometryMode.Branch))
{
int materialIndex = GetMaterialIndex(materialBranch, materials, true);
float uvOffset = 0.0f;
float uvBaseOffset = 0.0f;
float uvStep = totalHeight / (GetRadiusAtTime(node, 0.0f, false) * Mathf.PI * 2.0f);
bool uvAdapt = true;
if (node.parent != null && parentBranchGroup != null)
{
uvBaseOffset = node.offset * node.parent.spline.GetApproximateLength();
}
float capStart = 1.0f - node.capRange;
for (int i = 0; i < heightSamples.Count; i++)
{
float t = heightSamples[i];
Vector3 pos = node.spline.GetPositionAtTime(t);
Quaternion rot = node.spline.GetRotationAtTime(t);
float rad = GetRadiusAtTime(node, t, false);
Matrix4x4 m = node.matrix * Matrix4x4.TRS(pos, rot, new Vector3(1, 1, 1));
// total offset for wind animation
//float totalOffset = (totalOffsetBase + t);
// flare / weld spreading
Vector3 flareWeldSpread = GetFlareWeldAtTime(node, t);
// Do adaptive LOD for ringloops
float radModify = Mathf.Max(flareWeldSpread.x, Mathf.Max(flareWeldSpread.y, flareWeldSpread.z) * 0.25f);
// keep the same number of vertices per ring for the cap.. to give a nicer result
if (t <= capStart)
{
radialSamples = TreeData.GetAdaptiveRadialSegments(rad + radModify, lodQuality);
}
// uv offset..
if (uvAdapt)
{
if (i > 0)
{
float preT = heightSamples[i - 1];
float uvDelta = t - preT;
float uvRad = (rad + GetRadiusAtTime(node, preT, false)) * 0.5f;
uvOffset += (uvDelta * totalHeight) / (uvRad * Mathf.PI * 2.0f);
}
}
else
{
uvOffset = uvBaseOffset + (t * uvStep);
}
// wind
Vector2 windFactors = ComputeWindFactor(node, t);
RingLoop r = new RingLoop();
r.Reset(rad, m, uvOffset, radialSamples);
r.SetSurfaceAngle(node.GetSurfaceAngleAtTime(t));
r.SetAnimationProperties(windFactors.x, windFactors.y, 0.0f, node.animSeed);
r.SetSpread(flareWeldSpread.y, flareWeldSpread.z);
r.SetNoise(noise * Mathf.Clamp01(noiseCurve.Evaluate(t)), noiseScaleU * 10.0f, noiseScaleV * 10.0f);
r.SetFlares(flareWeldSpread.x, flareNoise * 10.0f);
int vertStart = verts.Count;
r.BuildVertices(verts);
int vertEnd = verts.Count;
if ((buildFlags & (int)BuildFlag.BuildWeldParts) != 0)
{
float projectionRange = weldHeight;
float projectionBlend = Mathf.Pow(Mathf.Clamp01(((1.0f - t) - (1.0f - weldHeight)) / weldHeight), 1.5f);
float invProjectionBlend = 1.0f - projectionBlend;
if (t < projectionRange)
{
if ((node.parent != null) && (node.parent.spline != null))
{
Ray ray = new Ray();
for (int v = vertStart; v < vertEnd; v++)
{
ray.origin = verts[v].pos;
ray.direction = m.MultiplyVector(-Vector3.up);
Vector3 origPos = verts[v].pos;
Vector3 origNor = verts[v].nor;
float minDist = -10000.0f;
float maxDist = 100000.0f;
// project vertices onto parent
for (int tri = node.parent.triStart; tri < node.parent.triEnd; tri++)
{
object hit = MathUtils.IntersectRayTriangle(ray, verts[tris[tri].v[0]].pos,
verts[tris[tri].v[1]].pos,
verts[tris[tri].v[2]].pos, true);
if (hit != null)
{
RaycastHit rayHit = ((RaycastHit)hit);
if ((Mathf.Abs(rayHit.distance) < maxDist) && (rayHit.distance > minDist))
{
maxDist = Mathf.Abs(rayHit.distance);
verts[v].nor = (verts[tris[tri].v[0]].nor * rayHit.barycentricCoordinate.x) +
(verts[tris[tri].v[1]].nor * rayHit.barycentricCoordinate.y) +
(verts[tris[tri].v[2]].nor * rayHit.barycentricCoordinate.z);
verts[v].nor = (verts[v].nor * projectionBlend) + (origNor * invProjectionBlend);
verts[v].pos = (rayHit.point * projectionBlend) + (origPos * invProjectionBlend);
}
}
}
}
}
}
}
ringloops.Add(r);
// make sure we cap the puppy..
if ((t == 1.0f) && (r.radius > 0.005f))
{
RingLoop r2 = r.Clone();
r2.radius = 0.0f;
r2.baseOffset += rad / (Mathf.PI * 2.0f);
r2.BuildVertices(verts);
ringloops.Add(r2);
}
}
// Cap
// if needed..
if (ringloops.Count > 0)
{
if (ringloops[ringloops.Count - 1].radius > 0.025f)
{
if (node.breakOffset < 1.0f)
{
float mappingScale = 1.0f / (radius * Mathf.PI * 2.0f);
float tempCapSpherical = 0.0f;
float tempCapNoise = 1.0f;
int tempCapMapping = 0;
Material tempCapMaterial = materialBranch;
if (materialBreak != null)
{
tempCapMaterial = materialBreak;
}
int capMaterialIndex = GetMaterialIndex(tempCapMaterial, materials, false);
ringloops[ringloops.Count - 1].Cap(tempCapSpherical, tempCapNoise, tempCapMapping, mappingScale,
verts,
tris,
capMaterialIndex);
}
}
}
// Build triangles
// Debug.Log("MAT INDEX: "+materialIndex);
node.triStart = tris.Count;
for (int i = 0; i < (ringloops.Count - 1); i++)
{
ringloops[i].Connect(ringloops[i + 1], tris, materialIndex, false, false);
}
node.triEnd = tris.Count;
ringloops.Clear();
}
// Build fronds
float frondMin = Mathf.Min(frondRange.x, frondRange.y);
float frondMax = Mathf.Max(frondRange.x, frondRange.y);
// Mapping range.. may be different from min/max if broken..
float frondMappingMin = frondMin;
float frondMappingMax = frondMax;
// Include breaking
frondMin = Mathf.Clamp(frondMin, 0.0f, node.breakOffset);
frondMax = Mathf.Clamp(frondMax, 0.0f, node.breakOffset);
if ((geometryMode == GeometryMode.BranchFrond) || (geometryMode == GeometryMode.Frond))
{
if ((frondCount > 0) && (frondMin != frondMax))
{
bool needStartPoint = true;
bool needEndPoint = true;
for (int i = 0; i < heightSamples.Count; i++)
{
float t = heightSamples[i];
if (t < frondMin)
{
heightSamples.RemoveAt(i);
i--;
}
else if (t == frondMin)
{
needStartPoint = false;
}
else if (t == frondMax)
{
needEndPoint = false;
}
else if (t > frondMax)
{
heightSamples.RemoveAt(i);
i--;
}
}
if (needStartPoint)
{
heightSamples.Insert(0, frondMin);
}
if (needEndPoint)
{
heightSamples.Add(frondMax);
}
int frondMaterialIndex = GetMaterialIndex(materialFrond, materials, false);
float capStart = 1.0f - node.capRange;
//float capRadius = GetRadiusAtTime(capStart);
for (int j = 0; j < frondCount; j++)
{
float crease = (frondCrease * 90.0f) * Mathf.Deg2Rad;
float angle = ((frondRotation * 360.0f) + (((float)j * 180.0f) / frondCount) - 90.0f) * Mathf.Deg2Rad;
float angleA = -angle - crease;
float angleB = angle - crease;
Vector3 directionA = new Vector3(Mathf.Sin(angleA), 0.0f, Mathf.Cos(angleA));
Vector3 normalA = new Vector3(directionA.z, 0.0f, -directionA.x);
Vector3 directionB = new Vector3(Mathf.Sin(angleB), 0.0f, -Mathf.Cos(angleB));
Vector3 normalB = new Vector3(-directionB.z, 0.0f, directionB.x);
//float totalOffsetBase = GetTotalOffset();
for (int i = 0; i < heightSamples.Count; i++)
{
float t = heightSamples[i];
float v = (t - frondMappingMin) / (frondMappingMax - frondMappingMin);
// handle soft capping..
float t2 = t;
if (t > capStart)
{
t2 = capStart;
float capAngle = Mathf.Acos(Mathf.Clamp01((t - capStart) / node.capRange));
float sinCapAngle = Mathf.Sin(capAngle);
float cosCapAngle = Mathf.Cos(capAngle) * capSmoothing;
directionA = new Vector3(Mathf.Sin(angleA) * sinCapAngle, cosCapAngle, Mathf.Cos(angleA) * sinCapAngle);
normalA = new Vector3(directionA.z, directionA.y, -directionA.x);
directionB = new Vector3(Mathf.Sin(angleB) * sinCapAngle, cosCapAngle, -Mathf.Cos(angleB) * sinCapAngle);
normalB = new Vector3(-directionB.z, directionB.y, directionB.x);
}
Vector3 normalMid = new Vector3(0, 0, -1);
Vector3 pos = node.spline.GetPositionAtTime(t2);
Quaternion rot = node.spline.GetRotationAtTime(t);
float rad = (Mathf.Clamp01(frondCurve.Evaluate(t)) * frondWidth * node.GetScale());
Matrix4x4 m = node.matrix * Matrix4x4.TRS(pos, rot, new Vector3(1, 1, 1));
if (GenerateDoubleSidedGeometry)
{
// Generate double sided geometry to compensate for lack of VFACE shader semantic
// Twice the poly count
// Split vertices along back seam, to avoid bent normals.. 8 verts instead of 3
for (float side = -1; side < 2; side += 2)
{
TreeVertex v0 = new TreeVertex();
v0.pos = m.MultiplyPoint(directionA * rad);
v0.nor = m.MultiplyVector(normalA * side).normalized;
v0.tangent = CreateTangent(node, rot, v0.nor);
v0.tangent.w = -side;
v0.uv0 = new Vector2(1.0f, v);
TreeVertex v1 = new TreeVertex();
v1.pos = m.MultiplyPoint(Vector3.zero);
v1.nor = m.MultiplyVector(normalMid * side).normalized;
v1.tangent = CreateTangent(node, rot, v1.nor);
v1.tangent.w = -side;
v1.uv0 = new Vector2(0.5f, v);
TreeVertex v2 = new TreeVertex();
v2.pos = m.MultiplyPoint(Vector3.zero);
v2.nor = m.MultiplyVector(normalMid * side).normalized;
v2.tangent = CreateTangent(node, rot, v2.nor);
v2.tangent.w = -side;
v2.uv0 = new Vector2(0.5f, v);
TreeVertex v3 = new TreeVertex();
v3.pos = m.MultiplyPoint(directionB * rad);
v3.nor = m.MultiplyVector(normalB * side).normalized;
v3.tangent = CreateTangent(node, rot, v3.nor);
v3.tangent.w = -side;
v3.uv0 = new Vector2(0.0f, v);
// Animation properties..
Vector2 windFactors = ComputeWindFactor(node, t);
v0.SetAnimationProperties(windFactors.x, windFactors.y, animationEdge, node.animSeed);
v1.SetAnimationProperties(windFactors.x, windFactors.y, 0.0f, node.animSeed); // no edge flutter for center vertex
v2.SetAnimationProperties(windFactors.x, windFactors.y, 0.0f, node.animSeed); // no edge flutter for center vertex
v3.SetAnimationProperties(windFactors.x, windFactors.y, animationEdge, node.animSeed);
verts.Add(v0); verts.Add(v1); verts.Add(v2); verts.Add(v3);
}
if (i > 0)
{
int voffset = verts.Count;
//
// theoretical left side :)
//
// back
TreeTriangle tri0 = new TreeTriangle(frondMaterialIndex, voffset - 4, voffset - 3, voffset - 11);
TreeTriangle tri1 = new TreeTriangle(frondMaterialIndex, voffset - 4, voffset - 11, voffset - 12);
tri0.flip(); tri1.flip();
// front
TreeTriangle tri2 = new TreeTriangle(frondMaterialIndex, voffset - 8, voffset - 7, voffset - 15);
TreeTriangle tri3 = new TreeTriangle(frondMaterialIndex, voffset - 8, voffset - 15, voffset - 16);
tris.Add(tri0); tris.Add(tri1);
tris.Add(tri2); tris.Add(tri3);
//
// theoretical right side :)
//
// front
TreeTriangle tri4 = new TreeTriangle(frondMaterialIndex, voffset - 2, voffset - 9, voffset - 1);
TreeTriangle tri5 = new TreeTriangle(frondMaterialIndex, voffset - 2, voffset - 10, voffset - 9);
// back
TreeTriangle tri6 = new TreeTriangle(frondMaterialIndex, voffset - 6, voffset - 13, voffset - 5);
TreeTriangle tri7 = new TreeTriangle(frondMaterialIndex, voffset - 6, voffset - 14, voffset - 13);
tri6.flip(); tri7.flip();
tris.Add(tri4); tris.Add(tri5);
tris.Add(tri6); tris.Add(tri7);
}
}
else
{
// Single sided geometry .. we'll keep this for later
TreeVertex v0 = new TreeVertex();
v0.pos = m.MultiplyPoint(directionA * rad);
v0.nor = m.MultiplyVector(normalA).normalized;
v0.uv0 = new Vector2(0.0f, v);
TreeVertex v1 = new TreeVertex();
v1.pos = m.MultiplyPoint(Vector3.zero);
v1.nor = m.MultiplyVector(Vector3.back).normalized;
v1.uv0 = new Vector2(0.5f, v);
TreeVertex v2 = new TreeVertex();
v2.pos = m.MultiplyPoint(directionB * rad);
v2.nor = m.MultiplyVector(normalB).normalized;
v2.uv0 = new Vector2(1.0f, v);
// Animation properties..
Vector2 windFactors = ComputeWindFactor(node, t);
v0.SetAnimationProperties(windFactors.x, windFactors.y, animationEdge, node.animSeed);
v1.SetAnimationProperties(windFactors.x, windFactors.y, 0.0f, node.animSeed); // no edge flutter for center vertex
v2.SetAnimationProperties(windFactors.x, windFactors.y, animationEdge, node.animSeed);
verts.Add(v0); verts.Add(v1); verts.Add(v2);
if (i > 0)
{
int voffset = verts.Count;
TreeTriangle tri0 = new TreeTriangle(frondMaterialIndex, voffset - 2, voffset - 3, voffset - 6);
TreeTriangle tri1 = new TreeTriangle(frondMaterialIndex, voffset - 2, voffset - 6, voffset - 5);
tris.Add(tri0); tris.Add(tri1);
TreeTriangle tri2 = new TreeTriangle(frondMaterialIndex, voffset - 2, voffset - 4, voffset - 1);
TreeTriangle tri3 = new TreeTriangle(frondMaterialIndex, voffset - 2, voffset - 5, voffset - 4);
tris.Add(tri2); tris.Add(tri3);
}
}
}
}
}
}
// compute ambient occlusion..
if ((buildFlags & (int)BuildFlag.BuildAmbientOcclusion) != 0)
{
for (int i = vertOffset; i < verts.Count; i++)
{
verts[i].SetAmbientOcclusion(ComputeAmbientOcclusion(verts[i].pos, verts[i].nor, aoSpheres, aoDensity));
}
}
node.vertEnd = verts.Count;
Profiler.EndSample(); // TreeGroupBranch.UpdateNodeMesh
}
public void Connect(RingLoop other, List<TreeTriangle> tris, int materialIndex, bool flipTris, bool lowres)
{
if (other.segments > this.segments)
{
other.Connect(this, tris, materialIndex, true, lowres);
return;
}
if (lowres)
{
for (int i = 0; i < this.segments / 2; i++)
{
int num = 0 + i + other.vertOffset;
int num2 = other.segments / 2 + i + other.vertOffset;
int num3 = 0 + i + this.vertOffset;
int num4 = this.segments / 2 + i + this.vertOffset;
if (flipTris)
{
int num5 = num;
num = num2;
num2 = num5;
num5 = num3;
num3 = num4;
num4 = num5;
}
tris.Add(new TreeTriangle(materialIndex, num, num2, num3, false, true, false));
tris.Add(new TreeTriangle(materialIndex, num2, num4, num3, false, true, false));
}
}
else
{
for (int j = 0; j < this.segments; j++)
{
int num6 = Mathf.Min((int)Mathf.Round((float)j / (float)this.segments * (float)other.segments), other.segments);
int num7 = Mathf.Min((int)Mathf.Round((float)(j + 1) / (float)this.segments * (float)other.segments), other.segments);
int num8 = Mathf.Min(j + 1, this.segments);
int num9 = num6 + other.vertOffset;
int num10 = j + this.vertOffset;
int v = num7 + other.vertOffset;
int num11 = j + this.vertOffset;
int num12 = num8 + this.vertOffset;
int v2 = num7 + other.vertOffset;
if (flipTris)
{
int num13 = num10;
num10 = num9;
num9 = num13;
num13 = num12;
num12 = num11;
num11 = num13;
}
tris.Add(new TreeTriangle(materialIndex, num9, num10, v, false, true, false));
tris.Add(new TreeTriangle(materialIndex, num11, num12, v2, false, true, false));
}
}
}