Initial support for FBX embedded textures

code/FBXMaterial.cpp

@@ -50,6 +50,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "FBXImportSettings.h"
 #include "FBXDocumentUtil.h"
 #include "FBXProperties.h"
+#include "ByteSwapper.h"
 #include <boost/foreach.hpp>
 
 namespace Assimp {
@@ -147,6 +148,7 @@ Material::~Material()
 Texture::Texture(uint64_t id, const Element& element, const Document& doc, const std::string& name)
 : Object(id,element,name)
 , uvScaling(1.0f,1.0f)
+, media(0)
 {
     const Scope& sc = GetRequiredScope(element);
 
@@ -199,6 +201,23 @@ Texture::Texture(uint64_t id, const Element& element, const Document& doc, const
     }
 
     props = GetPropertyTable(doc,"Texture.FbxFileTexture",element,sc);
+
+    // resolve video links
+    if(doc.Settings().readTextures) {
+        const std::vector<const Connection*>& conns = doc.GetConnectionsByDestinationSequenced(ID());
+        BOOST_FOREACH(const Connection* con, conns) {
+            const Object* const ob = con->SourceObject();
+            if(!ob) {
+                DOMWarning("failed to read source object for texture link, ignoring",&element);
+                continue;
+            }
+
+            const Video* const video = dynamic_cast<const Video*>(ob);
+            if(video) {
+                media = video;
+            }
+        }
+    }
 }
 
 
@@ -253,6 +272,68 @@ void LayeredTexture::fillTexture(const Document& doc)
     }
 }
 
+
+// ------------------------------------------------------------------------------------------------
+Video::Video(uint64_t id, const Element& element, const Document& doc, const std::string& name)
+: Object(id,element,name)
+, contentLength(0)
+, content(0)
+{
+    const Scope& sc = GetRequiredScope(element);
+
+    const Element* const Type = sc["Type"];
+    const Element* const FileName = sc["FileName"];
+    const Element* const RelativeFilename = sc["RelativeFilename"];
+    const Element* const Content = sc["Content"];
+
+    if(Type) {
+        type = ParseTokenAsString(GetRequiredToken(*Type,0));
+    }
+
+    if(FileName) {
+        fileName = ParseTokenAsString(GetRequiredToken(*FileName,0));
+    }
+
+    if(RelativeFilename) {
+        relativeFileName = ParseTokenAsString(GetRequiredToken(*RelativeFilename,0));
+    }
+
+    if(Content) {
+        const Token& token = GetRequiredToken(*Content, 0);
+        const char* data = token.begin();
+        if(!token.IsBinary()) {
+            DOMWarning("video content is not binary data, ignoring", &element);
+        }
+        else if(static_cast<size_t>(token.end() - data) < 5) {
+            DOMError("binary data array is too short, need five (5) bytes for type signature and element count", &element);
+        }
+        else if(*data != 'R') {
+            DOMWarning("video content is not raw binary data, ignoring", &element);
+        }
+        else {
+            // read number of elements
+            uint32_t len = 0;
+            ::memcpy(&len, data + 1, sizeof(len));
+            AI_SWAP4(len);
+
+            contentLength = len;
+
+            content = new uint8_t[len];
+            ::memcpy(content, data + 5, len);
+        }
+    }
+
+    props = GetPropertyTable(doc,"Video.FbxVideo",element,sc);
+}
+
+
+Video::~Video()
+{
+    if(content) {
+        delete[] content;
+    }
+}
+
 } //!FBX
 } //!Assimp