float[] ConvertUVToLightmappingUV(Vector2[] uv, Vector4 lightmapScaleOffset)
{
var uv2 = FlattenHelper.Flatten(GLConverter.ConvertDxTexcoordToGlTexcoord(uv));
for (int i = 0; i < uv2.Length; i += 2)
{
uv2[i] = uv2[i] * lightmapScaleOffset[0] + lightmapScaleOffset[2];
uv2[i + 1] = uv2[i + 1] * lightmapScaleOffset[1] + lightmapScaleOffset[3];
}
return(uv2);
}
public BufferGeometryElem(MeshContainer c, bool hasLightmap, Vector4 lightmapScaleOffset)
{
this.Mesh = c.Mesh;
this.HasLightmap = hasLightmap;
this.LightmapScaleOffset = lightmapScaleOffset;
Mesh mesh = c.Mesh;
// vertices
if (mesh.vertices.Length > 0)
{
Vertices = FlattenHelper.Flatten(GLConverter.ConvertDxVectorToGlVector(mesh.vertices));
}
// faces
if (mesh.triangles.Length > 0)
{
Faces = GLConverter.ConvertDxTrianglesToGlTriangles(mesh.triangles);
}
// normals
if (mesh.normals.Length > 0)
{
Normals = FlattenHelper.Flatten(GLConverter.ConvertDxVectorToGlVector(mesh.normals));
}
// colors
if (mesh.colors.Length > 0)
{
Colors = new float[mesh.colors.Length * 3];
for (int i = 0; i < mesh.colors.Length; i++)
{
var color = mesh.colors[i];
Colors[i * 4 + 0] = color.r;
Colors[i * 4 + 1] = color.g;
Colors[i * 4 + 2] = color.b;
}
}
// uvs
int uvCount = 0;
if (mesh.uv.Length > 0)
{
uvCount++;
UV = FlattenHelper.Flatten(GLConverter.ConvertDxTexcoordToGlTexcoord(mesh.uv));
}
if (mesh.uv2.Length > 0)
{
uvCount++;
UV2 = ConvertUVToLightmappingUV(mesh.uv2, LightmapScaleOffset);
}
if (mesh.uv3.Length > 0)
{
uvCount++;
UV3 = FlattenHelper.Flatten(GLConverter.ConvertDxTexcoordToGlTexcoord(mesh.uv3));
}
if (mesh.uv4.Length > 0)
{
uvCount++;
UV4 = FlattenHelper.Flatten(GLConverter.ConvertDxTexcoordToGlTexcoord(mesh.uv4));
}
// if use lightmap uv
if (LightmapScaleOffset != null && UV2 == null)
{
uvCount++;
UV2 = ConvertUVToLightmappingUV(mesh.uv, LightmapScaleOffset);
}
}
public BufferGeometryElem(MeshContainer c)
{
Mesh mesh = c.Mesh;
// vertices
if (mesh.vertices.Length > 0)
{
Vertices = FlattenHelper.Flatten(GLConverter.ConvertDxVectorToGlVector(mesh.vertices));
}
// faces
if (mesh.triangles.Length > 0)
{
Faces = GLConverter.ConvertDxTrianglesToGlTriangles(mesh.triangles);
}
// normals
if (mesh.normals.Length > 0)
{
Normals = FlattenHelper.Flatten(GLConverter.ConvertDxVectorToGlVector(mesh.normals));
}
// colors
if (mesh.colors.Length > 0)
{
Colors = new float[mesh.colors.Length * 3];
for (int i = 0; i < mesh.colors.Length; i++)
{
var color = mesh.colors[i];
Colors[i * 4 + 0] = color.r;
Colors[i * 4 + 1] = color.g;
Colors[i * 4 + 2] = color.b;
}
}
// uvs
int uvCount = 0;
if (mesh.uv.Length > 0)
{
uvCount++;
UV = FlattenHelper.Flatten(GLConverter.ConvertDxTexcoordToGlTexcoord(mesh.uv));
}
if (mesh.uv2.Length > 0)
{
uvCount++;
UV2 = FlattenHelper.Flatten(GLConverter.ConvertDxTexcoordToGlTexcoord(mesh.uv2));
}
if (mesh.uv3.Length > 0)
{
uvCount++;
UV3 = FlattenHelper.Flatten(GLConverter.ConvertDxTexcoordToGlTexcoord(mesh.uv3));
}
if (mesh.uv4.Length > 0)
{
uvCount++;
UV4 = FlattenHelper.Flatten(GLConverter.ConvertDxTexcoordToGlTexcoord(mesh.uv4));
}
}