private MaterialComponent GetMaterial(TextureTag texTag)
{
Material material = texTag.GetMaterial() as Material;
if (material == null)
{
return(null);
}
long materialUid = material.RefUID();
MaterialComponent mcRet;
if (_materialCache.TryGetValue(materialUid, out mcRet))
{
return(mcRet);
}
using (BaseContainer materialData = material.GetData())
{
mcRet = new MaterialComponent();
// Just for debugging purposes
for (int i = 0, id = 0; -1 != (id = materialData.GetIndexId(i)); i++)
{
if (materialData.GetTypeC4D(id) == C4dApi.DA_LONG)
{
int iii = materialData.GetInt32(id);
}
if (materialData.GetTypeC4D(id) == C4dApi.DA_REAL)
{
double d = materialData.GetFloat(id);
}
else if (materialData.GetTypeC4D(id) == C4dApi.DA_VECTOR)
{
double3 v = materialData.GetVector(id);
}
}
if (material.GetChannelState(C4dApi.CHANNEL_COLOR))
{
BaseChannel diffuseChannel = material.GetChannel(C4dApi.CHANNEL_COLOR);
if (diffuseChannel != null)
{
mcRet.Diffuse = new MatChannelContainer();
using (BaseContainer data = diffuseChannel.GetData())
{
mcRet.Diffuse.Color = (float3)(data.GetVector(C4dApi.BASECHANNEL_COLOR_EX) * data.GetFloat(C4dApi.BASECHANNEL_BRIGHTNESS_EX));
mcRet.Diffuse.Mix = (float)data.GetFloat(C4dApi.BASECHANNEL_MIXSTRENGTH_EX);
mcRet.Diffuse.Texture = GetTexture(data, diffuseChannel);
}
}
}
if (material.GetChannelState(C4dApi.CHANNEL_SPECULARCOLOR))
{
BaseChannel specularChannel = material.GetChannel(C4dApi.CHANNEL_SPECULARCOLOR);
if (specularChannel != null)
{
mcRet.Specular = new SpecularChannelContainer();
using (BaseContainer data = specularChannel.GetData())
{
mcRet.Specular.Color = (float3)(data.GetVector(C4dApi.BASECHANNEL_COLOR_EX) * data.GetFloat(C4dApi.BASECHANNEL_BRIGHTNESS_EX));
mcRet.Specular.Mix = (float)data.GetFloat(C4dApi.BASECHANNEL_MIXSTRENGTH_EX);
mcRet.Specular.Texture = GetTexture(data, specularChannel);
mcRet.Specular.Shininess =
CalculateShininess((float)materialData.GetFloat(C4dApi.MATERIAL_SPECULAR_WIDTH));
mcRet.Specular.Intensity = (float)(1.5 * materialData.GetFloat(C4dApi.MATERIAL_SPECULAR_HEIGHT));
}
}
}
if (material.GetChannelState(C4dApi.CHANNEL_LUMINANCE))
{
BaseChannel emissiveChannel = material.GetChannel(C4dApi.CHANNEL_LUMINANCE);
if (emissiveChannel != null)
{
mcRet.Emissive = new MatChannelContainer();
using (BaseContainer data = emissiveChannel.GetData())
{
mcRet.Emissive.Color = (float3)(data.GetVector(C4dApi.BASECHANNEL_COLOR_EX) * data.GetFloat(C4dApi.BASECHANNEL_BRIGHTNESS_EX));
mcRet.Emissive.Mix = (float)data.GetFloat(C4dApi.BASECHANNEL_MIXSTRENGTH_EX);
mcRet.Emissive.Texture = GetTexture(data, emissiveChannel);
}
}
}
if (material.GetChannelState(C4dApi.CHANNEL_NORMAL))
{
BaseChannel bumpChannel = material.GetChannel(C4dApi.CHANNEL_NORMAL);
if (bumpChannel != null)
{
mcRet.Bump = new BumpChannelContainer();
using (BaseContainer data = bumpChannel.GetData())
{
mcRet.Bump.Intensity = (float)materialData.GetFloat(C4dApi.MATERIAL_NORMAL_STRENGTH);
mcRet.Bump.Texture = GetTexture(data, bumpChannel);
}
}
}
}
/*
* // Just for debugging purposes
* BaseChannel specularChannel = material.GetChannel(C4dApi.CHANNEL_SPECULARCOLOR);
* if (specularChannel != null)
* {
* mcRet.HasSpecular = true;
* BaseContainer data = specularChannel.GetData();
* for (int i=0, id=0; -1 != (id = data.GetIndexId(i)); i++)
* {
* if (data.GetType(id) == C4dApi.DA_REAL)
* {
* double d = data.GetReal(id);
* }
* else if (data.GetType(id) == C4dApi.DA_VECTOR)
* {
* double3 v = data.GetVector(id);
* }
*
*
* }
*
* }
*/
_materialCache[materialUid] = mcRet;
return(mcRet);
}
/// <summary>
/// This method tries to make the best out of C4Ds seldom relationship between objects with
/// multiple materials which can or can not be restricted to polygon selections and one or more UV sets.
/// But there are unhandled cases:
/// Multple UV tags are not supported. Overlapping polygon selections are probably handled differently.
/// The awkward side effects when changing the tags' order in C4D are not reproduced.
/// </summary>
/// <param name="ob"></param>
/// <param name="snc"></param>
private void VisitObject(BaseObject ob, SceneNodeContainer snc)
{
Collection <TextureTag> textureTags = new Collection <TextureTag>();
Dictionary <string, SelectionTag> selectionTags = new Dictionary <string, SelectionTag>();
UVWTag uvwTag = null;
CAWeightTag weightTag = null;
// SCRATCH
// var targetComponent = new TargetComponent {ExtraInfo = aStr, Radius = anInt};
// snc.AddComponent(targetComponent);
// Iterate over the object's tags
for (BaseTag tag = ob.GetFirstTag(); tag != null; tag = tag.GetNext())
{
// GeneralTag
if (1036156 == tag.GetTypeC4D())
{
var di = tag.GetDataInstance();
int anInt = di.GetInt32(10000);
string aStr = di.GetString(10001);
Logger.Debug("Found a GeneralTag with TheInt=" + anInt + " and TheString = \"" + aStr + "\"");
// var targetComponent = new TargetComponent {ExtraInfo = aStr, Radius = anInt};
// snc.AddComponent(targetComponent);
}
// CAWeightTag - Save data to create the weight list later
CAWeightTag wTag = tag as CAWeightTag;
if (wTag != null)
{
weightTag = wTag;
continue;
}
// TextureTag (Material - there might be more than one)
TextureTag tex = tag as TextureTag;
if (tex != null)
{
textureTags.Add(tex);
continue;
}
// UVWTag - the texutre coordinates. We handle only one
UVWTag uvw = tag as UVWTag;
if (uvw != null)
{
if (uvwTag == null)
{
uvwTag = uvw;
}
else
{
Logger.Error("Object " + ob.GetName() + " contains more than one uv-coordinates-tag. Cannot handle this. Only the first texture tag will be recognized.");
}
continue;
}
// Selection tag. Only recognize the polygon selections as they might be referenced in a TextureTag
SelectionTag selection = tag as SelectionTag;
string selTagName = tag.GetName();
if (selection != null && selection.GetTypeC4D() == C4dApi.Tpolygonselection && !string.IsNullOrEmpty(selTagName)) // One Type and three TypeIDs - You C4D programmer guys really suck
{
selectionTags[selTagName] = selection;
}
// XPresso Tags - TBD
XPressoTag xPresso = tag as XPressoTag;
if (xPresso != null)
{
// Handle XPresso tag
continue;
}
}
TextureTag lastUnselectedTag = null;
Collection <KeyValuePair <SelectionTag, TextureTag> > texSelList = new Collection <KeyValuePair <SelectionTag, TextureTag> >(); // Abused KeyValuePair. Should have been Pair...
// Now iterate over the textureTags
foreach (TextureTag texture in textureTags)
{
string selRef = "";
using (BaseContainer texData = texture.GetData())
{
selRef = texData.GetString(C4dApi.TEXTURETAG_RESTRICTION);
}
if (string.IsNullOrEmpty(selRef))
{
// This material is not restricted to any polygon selection
lastUnselectedTag = texture;
}
else
{
SelectionTag sel;
if (selectionTags.TryGetValue(selRef, out sel))
{
texSelList.Add(new KeyValuePair <SelectionTag, TextureTag>(sel, texture));
}
}
}
// At this point we have the last texture tag not restricted to a seletion. This will become the Material of this FuseeObjectContainer
// no matter if this object contains geometry or not
if (lastUnselectedTag != null)
{
AddComponent(snc, GetMaterial(lastUnselectedTag));
}
// Further processing only needs to take place if the object contains any geometry at all.
PolygonObject polyOb = ob as PolygonObject;
// Check whether the object contains an unpolygonized mesh
if (polyOb == null)
{
polyOb = ob.GetCache(null) as PolygonObject;
}
if (polyOb != null)
{
float3[] normalOb = polyOb.CreatePhongNormals();
// Initialize the polygon index set
int nPolys = polyOb.GetPolygonCount();
HashSet <int> polyInxs = new HashSet <int>();
for (int i = 0; i < nPolys; i++)
{
polyInxs.Add(i);
}
foreach (KeyValuePair <SelectionTag, TextureTag> texSelItem in texSelList)
{
HashSet <int> polyInxsSubset = new HashSet <int>();
BaseSelect bs = texSelItem.Key.GetBaseSelect();
int nSegments = bs.GetSegments();
for (int iSeg = 0; iSeg < nSegments; iSeg++)
{
int from = bs.GetRangeA(iSeg);
int to = bs.GetRangeB(iSeg);
for (int iSel = from; iSel <= to; iSel++)
{
polyInxs.Remove(iSel);
polyInxsSubset.Add(iSel);
}
}
// Now generate Polygons for this subset
if (polyInxsSubset.Count > 0)
{
if (snc.Children == null)
{
snc.Children = new List <SceneNodeContainer>();
}
SceneNodeContainer subSnc = new SceneNodeContainer();
AddComponent(subSnc, new TransformComponent()
{
Translation = new float3(0, 0, 0),
Rotation = new float3(0, 0, 0),
Scale = new float3(1, 1, 1)
});
AddComponent(subSnc, GetMaterial(texSelItem.Value));
subSnc.Name = snc.Name + "_" + texSelItem.Key.GetName();
AddComponent(subSnc, GetMesh(polyOb, normalOb, uvwTag, polyInxsSubset));
_weightManager.AddWeightData(subSnc, polyOb, weightTag, polyInxsSubset);
snc.Children.Add(subSnc);
}
}
// The remaining polygons directly go into the original mesh
AddComponent(snc, GetMesh(polyOb, normalOb, uvwTag, polyInxs));
_weightManager.AddWeightData(snc, polyOb, weightTag, polyInxs);
}
else if (ob.GetTypeC4D() == C4dApi.Olight)
{
using (BaseContainer lightData = ob.GetData())
// Just for debugging purposes
for (int i = 0, id = 0; -1 != (id = lightData.GetIndexId(i)); i++)
{
if (lightData.GetTypeC4D(id) == C4dApi.DA_LONG)
{
int iii = lightData.GetInt32(id);
}
if (lightData.GetTypeC4D(id) == C4dApi.DA_REAL)
{
double d = lightData.GetFloat(id);
}
else if (lightData.GetTypeC4D(id) == C4dApi.DA_VECTOR)
{
double3 v = lightData.GetVector(id);
}
}
;
}
}