private IStdUVGen _exportUV(IStdUVGen uvGen, BabylonTexture babylonTexture)
{
switch (uvGen.GetCoordMapping(0))
{
case 1: //MAP_SPHERICAL
babylonTexture.coordinatesMode = BabylonTexture.CoordinatesMode.SPHERICAL_MODE;
break;
case 2: //MAP_PLANAR
babylonTexture.coordinatesMode = BabylonTexture.CoordinatesMode.PLANAR_MODE;
break;
default:
babylonTexture.coordinatesMode = BabylonTexture.CoordinatesMode.EXPLICIT_MODE;
break;
}
babylonTexture.coordinatesIndex = uvGen.MapChannel - 1;
if (uvGen.MapChannel > 2)
{
RaiseWarning(string.Format("Unsupported map channel, Only channel 1 and 2 are supported."), 3);
}
babylonTexture.uOffset = uvGen.GetUOffs(0);
babylonTexture.vOffset = -uvGen.GetVOffs(0);
babylonTexture.uScale = uvGen.GetUScl(0);
babylonTexture.vScale = uvGen.GetVScl(0);
var offset = new BabylonVector3(babylonTexture.uOffset, -babylonTexture.vOffset, 0);
var scale = new BabylonVector3(babylonTexture.uScale, babylonTexture.vScale, 1);
var rotation = new BabylonQuaternion();
var pivotCenter = new BabylonVector3(-0.5f, -0.5f, 0);
var transformMatrix = Tools.ComputeTextureTransformMatrix(pivotCenter, offset, rotation, scale);
transformMatrix.decompose(scale, rotation, offset);
babylonTexture.uOffset = -offset.X;
babylonTexture.vOffset = -offset.Y;
babylonTexture.uScale = scale.X;
babylonTexture.vScale = -scale.Y;
babylonTexture.uRotationCenter = 0.0f;
babylonTexture.vRotationCenter = 0.0f;
babylonTexture.invertY = false;
if (Path.GetExtension(babylonTexture.name).ToLower() == ".dds")
{
babylonTexture.vScale *= -1; // Need to invert Y-axis for DDS texture
}
babylonTexture.uAng = uvGen.GetUAng(0);
babylonTexture.vAng = uvGen.GetVAng(0);
babylonTexture.wAng = uvGen.GetWAng(0);
// TODO - rotation and scale
if (babylonTexture.wAng != 0f && (babylonTexture.uScale != 1f || babylonTexture.vScale != 1f))
{
RaiseWarning("Rotation and tiling (scale) on a texture are only supported separatly. You can use the map UV of the mesh for those transformation.", 3);
}
babylonTexture.wrapU = BabylonTexture.AddressMode.CLAMP_ADDRESSMODE; // CLAMP
if ((uvGen.TextureTiling & 1) != 0) // WRAP
{
babylonTexture.wrapU = BabylonTexture.AddressMode.WRAP_ADDRESSMODE;
}
else if ((uvGen.TextureTiling & 4) != 0) // MIRROR
{
babylonTexture.wrapU = BabylonTexture.AddressMode.MIRROR_ADDRESSMODE;
}
babylonTexture.wrapV = BabylonTexture.AddressMode.CLAMP_ADDRESSMODE; // CLAMP
if ((uvGen.TextureTiling & 2) != 0) // WRAP
{
babylonTexture.wrapV = BabylonTexture.AddressMode.WRAP_ADDRESSMODE;
}
else if ((uvGen.TextureTiling & 8) != 0) // MIRROR
{
babylonTexture.wrapV = BabylonTexture.AddressMode.MIRROR_ADDRESSMODE;
}
return(uvGen);
}
