private void CalculateProjectedUV(Matrix4x4 a_DecalsToProjectorMatrix, UVRectangle a_UVRectangle, List <Vector2> a_UVs, int a_LowerIndex, int a_UpperIndex)
{
Vector2 lowerLeftUV = a_UVRectangle.lowerLeftUV;
Vector2 size = a_UVRectangle.Size;
while (a_UVs.Count < a_LowerIndex)
{
a_UVs.Add(Vector2.zero);
}
for (int i = a_LowerIndex; i <= a_UpperIndex; i++)
{
Vector3 v = base.Vertices[i];
v = a_DecalsToProjectorMatrix.MultiplyPoint3x4(v);
Vector2 item = new Vector2(v.x, v.z);
item.x = lowerLeftUV.x + ((item.x + 0.5f) * size.x);
item.y = lowerLeftUV.y + ((item.y + 0.5f) * size.y);
if (i < a_UVs.Count)
{
a_UVs[i] = item;
}
else
{
a_UVs.Add(item);
}
}
}
public UVRectangle(UVRectangle a_Other)
{
this.name = "UVRectangle";
this.lowerLeftUV = Vector2.zero;
this.upperRightUV = Vector3.one;
this.name = string.Copy(a_Other.name);
this.lowerLeftUV = a_Other.lowerLeftUV;
this.upperRightUV = a_Other.upperRightUV;
}
private void CalculateProjectedUV2(GenericDecalProjectorBase a_Projector)
{
Matrix4x4 matrixx = a_Projector.WorldToProjectorMatrix * this.m_Decals.CachedTransform.localToWorldMatrix;
UVRectangle rectangle = this.m_Decals.CurrentUv2Rectangles[a_Projector.UV2RectangleIndex];
List <Vector2> list = base.m_UV2s;
int decalsMeshLowerVertexIndex = a_Projector.DecalsMeshLowerVertexIndex;
int decalsMeshUpperVertexIndex = a_Projector.DecalsMeshUpperVertexIndex;
if (this.m_Decals.CurrentUVMode == UVMode.Project)
{
this.CalculateProjectedUV(matrixx, rectangle, list, decalsMeshLowerVertexIndex, decalsMeshUpperVertexIndex);
}
else
{
this.CalculateWrappedProjectionUV(matrixx, rectangle, list, decalsMeshLowerVertexIndex, decalsMeshUpperVertexIndex);
}
a_Projector.IsUV2ProjectionCalculated = true;
}
private void CalculateWrappedProjectionUV(Matrix4x4 a_DecalsToProjectorMatrix, UVRectangle a_UVRectangle, List <Vector2> a_UVs, int a_LowerIndex, int a_UpperIndex)
{
Vector2 lowerLeftUV = a_UVRectangle.lowerLeftUV;
Vector2 size = a_UVRectangle.Size;
while (a_UVs.Count < a_LowerIndex)
{
a_UVs.Add(Vector2.zero);
}
for (int i = a_LowerIndex; i <= a_UpperIndex; i++)
{
Vector3 vector3 = a_DecalsToProjectorMatrix.MultiplyPoint3x4(base.Vertices[i]);
Vector3 vector4 = a_DecalsToProjectorMatrix.MultiplyVector(base.Normals[i]);
Vector2 item = new Vector2(vector3.x, vector3.z);
item -= vector3.y * new Vector2(vector4.x, vector4.z);
item.x = Mathf.Clamp(item.x, -0.5f, 0.5f);
item.y = Mathf.Clamp(item.y, -0.5f, 0.5f);
item.x = lowerLeftUV.x + ((item.x + 0.5f) * size.x);
item.y = lowerLeftUV.y + ((item.y + 0.5f) * size.y);
if (i < a_UVs.Count)
{
a_UVs[i] = item;
}
else
{
a_UVs.Add(item);
}
}
}
