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)
{
Vector2 vector = base.ComputeWindFactor(node, node.offset);
if (this.geometryMode == 4)
{
if ((((cloneMesh == null) || (cloneVerts == null)) || ((cloneNormals == null) || (cloneTangents == null))) || (cloneUVs == null))
{
return;
}
Matrix4x4 localToWorldMatrix = this.instanceMesh.transform.localToWorldMatrix;
Matrix4x4 matrixx2 = node.matrix * localToWorldMatrix;
int count = verts.Count;
float num2 = 5f;
for (int i = 0; i < cloneVerts.Length; i++)
{
TreeVertex item = new TreeVertex {
pos = matrixx2.MultiplyPoint(cloneVerts[i]),
nor = matrixx2.MultiplyVector(cloneNormals[i]).normalized,
uv0 = new Vector2(cloneUVs[i].x, cloneUVs[i].y)
};
Vector3 normalized = matrixx2.MultiplyVector(new Vector3(cloneTangents[i].x, cloneTangents[i].y, cloneTangents[i].z)).normalized;
item.tangent = new Vector4(normalized.x, normalized.y, normalized.z, cloneTangents[i].w);
float edgeFactor = (cloneVerts[i].magnitude / num2) * base.animationEdge;
item.SetAnimationProperties(vector.x, vector.y, edgeFactor, node.animSeed);
if ((buildFlags & 1) != 0)
{
item.SetAmbientOcclusion(TreeGroup.ComputeAmbientOcclusion(item.pos, item.nor, aoSpheres, aoDensity));
}
verts.Add(item);
}
for (int j = 0; j < cloneMesh.subMeshCount; j++)
{
int num6;
int[] triangles = cloneMesh.GetTriangles(j);
if ((this.instanceMesh.GetComponent <Renderer>() != null) && (j < this.instanceMesh.GetComponent <Renderer>().sharedMaterials.Length))
{
num6 = TreeGroup.GetMaterialIndex(this.instanceMesh.GetComponent <Renderer>().sharedMaterials[j], materials, false);
}
else
{
num6 = TreeGroup.GetMaterialIndex(null, materials, false);
}
for (int k = 0; k < triangles.Length; k += 3)
{
TreeTriangle triangle = new TreeTriangle(num6, triangles[k] + count, triangles[k + 1] + count, triangles[k + 2] + count);
tris.Add(triangle);
}
}
}
else if (this.geometryMode == 3)
{
Vector3 eulerAngles = node.rotation.eulerAngles;
eulerAngles.z = eulerAngles.x * 2f;
eulerAngles.x = 0f;
eulerAngles.y = 0f;
Quaternion billboardRotation = Quaternion.Euler(eulerAngles);
Vector3 normalBase = new Vector3(TreeGroup.GenerateBendBillboardNormalFactor, TreeGroup.GenerateBendBillboardNormalFactor, 1f);
Vector3 tangentBase = (Vector3)(billboardRotation * new Vector3(1f, 0f, 0f));
float normalFix = node.scale / (TreeGroup.GenerateBendBillboardNormalFactor * TreeGroup.GenerateBendBillboardNormalFactor);
TreeVertex vertex2 = CreateBillboardVertex(node, billboardRotation, normalBase, normalFix, tangentBase, new Vector2(0f, 1f));
TreeVertex vertex3 = CreateBillboardVertex(node, billboardRotation, normalBase, normalFix, tangentBase, new Vector2(0f, 0f));
TreeVertex vertex4 = CreateBillboardVertex(node, billboardRotation, normalBase, normalFix, tangentBase, new Vector2(1f, 0f));
TreeVertex vertex5 = CreateBillboardVertex(node, billboardRotation, normalBase, normalFix, tangentBase, new Vector2(1f, 1f));
vertex2.SetAnimationProperties(vector.x, vector.y, base.animationEdge, node.animSeed);
vertex3.SetAnimationProperties(vector.x, vector.y, base.animationEdge, node.animSeed);
vertex4.SetAnimationProperties(vector.x, vector.y, base.animationEdge, node.animSeed);
vertex5.SetAnimationProperties(vector.x, vector.y, base.animationEdge, node.animSeed);
if ((buildFlags & 1) != 0)
{
Vector3 vector8 = (Vector3)(Vector3.right * node.scale);
Vector3 vector9 = (Vector3)(Vector3.forward * node.scale);
float ao = 0f;
ao = TreeGroup.ComputeAmbientOcclusion(vertex2.pos + vector8, Vector3.right, aoSpheres, aoDensity) + TreeGroup.ComputeAmbientOcclusion(vertex2.pos - vector8, -Vector3.right, aoSpheres, aoDensity);
ao += TreeGroup.ComputeAmbientOcclusion(vertex2.pos + vector9, Vector3.forward, aoSpheres, aoDensity);
ao += TreeGroup.ComputeAmbientOcclusion(vertex2.pos - vector9, -Vector3.forward, aoSpheres, aoDensity);
ao /= 4f;
vertex2.SetAmbientOcclusion(ao);
vertex3.SetAmbientOcclusion(ao);
vertex4.SetAmbientOcclusion(ao);
vertex5.SetAmbientOcclusion(ao);
}
int num10 = verts.Count;
verts.Add(vertex2);
verts.Add(vertex3);
verts.Add(vertex4);
verts.Add(vertex5);
int material = TreeGroup.GetMaterialIndex(this.materialLeaf, materials, false);
tris.Add(new TreeTriangle(material, num10, num10 + 2, num10 + 1, true));
tris.Add(new TreeTriangle(material, num10, num10 + 3, num10 + 2, true));
}
else
{
int num12 = 0;
switch (((GeometryMode)this.geometryMode))
{
case GeometryMode.PLANE:
num12 = 1;
break;
case GeometryMode.CROSS:
num12 = 2;
break;
case GeometryMode.TRI_CROSS:
num12 = 3;
break;
}
int num13 = TreeGroup.GetMaterialIndex(this.materialLeaf, materials, false);
Vector2[] vectorArray = new Vector2[] { new Vector2(0f, 1f), new Vector2(0f, 0f), new Vector2(1f, 0f), new Vector2(1f, 1f) };
Vector2[] planeHullVertices = this.GetPlaneHullVertices(this.materialLeaf);
if (planeHullVertices == null)
{
planeHullVertices = vectorArray;
}
float scale = node.scale;
Vector3[] vectorArray3 = new Vector3[] { new Vector3(-scale, 0f, -scale), new Vector3(-scale, 0f, scale), new Vector3(scale, 0f, scale), new Vector3(scale, 0f, -scale) };
Vector3 vector10 = new Vector3(TreeGroup.GenerateBendNormalFactor, 1f - TreeGroup.GenerateBendNormalFactor, TreeGroup.GenerateBendNormalFactor);
Vector3[] vectorArray6 = new Vector3[4];
Vector3 vector11 = new Vector3(-vector10.x, vector10.y, -vector10.z);
vectorArray6[0] = vector11.normalized;
Vector3 vector12 = new Vector3(-vector10.x, vector10.y, 0f);
vectorArray6[1] = vector12.normalized;
Vector3 vector13 = new Vector3(vector10.x, vector10.y, 0f);
vectorArray6[2] = vector13.normalized;
Vector3 vector14 = new Vector3(vector10.x, vector10.y, -vector10.z);
vectorArray6[3] = vector14.normalized;
Vector3[] vectorArray4 = vectorArray6;
for (int m = 0; m < num12; m++)
{
Quaternion rot = Quaternion.Euler(new Vector3(90f, 0f, 0f));
switch (m)
{
case 1:
rot = Quaternion.Euler(new Vector3(90f, 90f, 0f));
break;
case 2:
rot = Quaternion.Euler(new Vector3(0f, 90f, 0f));
break;
}
TreeVertex[] tv = new TreeVertex[] { new TreeVertex(), new TreeVertex(), new TreeVertex(), new TreeVertex(), new TreeVertex(), new TreeVertex(), new TreeVertex(), new TreeVertex() };
for (int n = 0; n < 4; n++)
{
tv[n].pos = node.matrix.MultiplyPoint((Vector3)(rot * vectorArray3[n]));
tv[n].nor = node.matrix.MultiplyVector((Vector3)(rot * vectorArray4[n]));
tv[n].tangent = TreeGroup.CreateTangent(node, rot, tv[n].nor);
tv[n].uv0 = planeHullVertices[n];
tv[n].SetAnimationProperties(vector.x, vector.y, base.animationEdge, node.animSeed);
if ((buildFlags & 1) != 0)
{
tv[n].SetAmbientOcclusion(TreeGroup.ComputeAmbientOcclusion(tv[n].pos, tv[n].nor, aoSpheres, aoDensity));
}
}
for (int num17 = 0; num17 < 4; num17++)
{
tv[num17 + 4].Lerp4(tv, planeHullVertices[num17]);
tv[num17 + 4].uv0 = tv[num17].uv0;
tv[num17 + 4].uv1 = tv[num17].uv1;
tv[num17 + 4].flag = tv[num17].flag;
}
int num18 = verts.Count;
for (int num19 = 0; num19 < 4; num19++)
{
verts.Add(tv[num19 + 4]);
}
tris.Add(new TreeTriangle(num13, num18, num18 + 1, num18 + 2));
tris.Add(new TreeTriangle(num13, num18, num18 + 2, num18 + 3));
Vector3 inNormal = node.matrix.MultiplyVector((Vector3)(rot * new Vector3(0f, 1f, 0f)));
if (TreeGroup.GenerateDoubleSidedGeometry)
{
TreeVertex[] vertexArray2 = new TreeVertex[] { new TreeVertex(), new TreeVertex(), new TreeVertex(), new TreeVertex(), new TreeVertex(), new TreeVertex(), new TreeVertex(), new TreeVertex() };
for (int num20 = 0; num20 < 4; num20++)
{
vertexArray2[num20].pos = tv[num20].pos;
vertexArray2[num20].nor = Vector3.Reflect(tv[num20].nor, inNormal);
vertexArray2[num20].tangent = Vector3.Reflect((Vector3)tv[num20].tangent, inNormal);
vertexArray2[num20].tangent.w = -1f;
vertexArray2[num20].uv0 = tv[num20].uv0;
vertexArray2[num20].SetAnimationProperties(vector.x, vector.y, base.animationEdge, node.animSeed);
if ((buildFlags & 1) != 0)
{
vertexArray2[num20].SetAmbientOcclusion(TreeGroup.ComputeAmbientOcclusion(vertexArray2[num20].pos, vertexArray2[num20].nor, aoSpheres, aoDensity));
}
}
for (int num21 = 0; num21 < 4; num21++)
{
vertexArray2[num21 + 4].Lerp4(vertexArray2, planeHullVertices[num21]);
vertexArray2[num21 + 4].uv0 = vertexArray2[num21].uv0;
vertexArray2[num21 + 4].uv1 = vertexArray2[num21].uv1;
vertexArray2[num21 + 4].flag = vertexArray2[num21].flag;
}
int num22 = verts.Count;
for (int num23 = 0; num23 < 4; num23++)
{
verts.Add(vertexArray2[num23 + 4]);
}
tris.Add(new TreeTriangle(num13, num22, num22 + 2, num22 + 1));
tris.Add(new TreeTriangle(num13, num22, num22 + 3, num22 + 2));
}
}
}
node.triEnd = tris.Count;
node.vertEnd = verts.Count;
}
}
