More test output: NiSkinInstance and NiSkinData

nif/data.h

@@ -321,29 +321,57 @@ struct NiVisData : Record
 
 struct NiSkinData : Record
 {
+  // This is to make sure the structs are packed, ie. that the
+  // compiler doesn't mess them up with extra alignment bytes.
+#pragma pack(push)
+#pragma pack(1)
+
+  struct BoneTrafo
+  {
+    Matrix rotation; // Rotation offset from bone?
+    Vector trans;    // Translation
+    float scale;     // Probably scale (always 1)
+  };
+
+  struct VertWeight
+  {
+    short vertex;
+    float weight;
+  };
+#pragma pack(pop)
+
+  struct BoneInfo
+  {
+    const BoneTrafo *trafo;
+    const Vector4 *unknown;
+    SliceArray<VertWeight> weights;
+  };
+
+  const BoneTrafo *trafo;
+  std::vector<BoneInfo> bones;
+
   void read(NIFFile *nif)
   {
-    // Not really decoded fully.
+    assert(sizeof(BoneTrafo) == 4*(9+3+1));
-    nif->getMatrix(); // global skin rotation?
+    assert(sizeof(VertWeight) == 6);
-    nif->getVector(); // skin translation
-    nif->getFloat();  // probably scale (always 1)
 
-    int bones = nif->getInt();
+    trafo = nif->getPtr<BoneTrafo>();
+
+    int boneNum = nif->getInt();
     nif->getInt(); // -1
 
-    for(int i=0;i<bones;i++)
+    bones.resize(boneNum);
-      {
-        nif->getMatrix(); // skin rotation offset from this bone
-        nif->getVector(); // translation
-        nif->getFloat();  // scale
 
-        nif->getVector4();
+    for(int i=0;i<boneNum;i++)
+      {
+        BoneInfo &bi = bones[i];
+
+        bi.trafo = nif->getPtr<BoneTrafo>();
+        bi.unknown = nif->getVector4();
 
         // Number of vertex weights
         int count = nif->getShort();
-
+        bi.weights = nif->getArrayLen<VertWeight>(count);
-        // Each weight is a vertex index (short) and a weight (float)
-        nif->skip(count*6);
       }
   }
 };

nif/nif_file.cpp

@@ -135,7 +135,7 @@ void NIFFile::parse()
       else if(rec == "NiPixelData") { r = new NiPixelData; r->recType = RC_NiPixelData; }
       else if(rec == "NiMorphData") { r = new NiMorphData; r->recType = RC_NiMorphData; }
       else if(rec == "NiKeyframeData") { r = new NiKeyframeData; r->recType = RC_NiKeyframeData; }
-      else if(rec == "NiSkinData") { r = new NiSkinData; r->recType = RC_NiSkindata; }
+      else if(rec == "NiSkinData") { r = new NiSkinData; r->recType = RC_NiSkinData; }
       else if(rec == "NiUVData") { r = new NiUVData; r->recType = RC_NiUVData; }
       else if(rec == "NiPosData") { r = new NiPosData; r->recType = RC_NiPosData; }
       else if(rec == "NiRotatingParticlesData") { r = new NiRotatingParticlesData; r->recType = RC_NiRotatingParticlesData; }

nif/record.h

@@ -72,7 +72,7 @@ enum RecordType
   RC_NiPixelData,
   RC_NiMorphData,
   RC_NiKeyframeData,
-  RC_NiSkindata,
+  RC_NiSkinData,
   RC_NiUVData,
   RC_NiPosData,
   RC_NiRotatingParticlesData,

nif/tests/.gitignore

@@ -2,3 +2,4 @@ niftool
 *_test
 *.nif
 *.kf
+output.txt

nif/tests/niftool.cpp

@@ -8,11 +8,15 @@
 #include "../../mangle/stream/servers/file_stream.h"
 #include "../node.h"
 #include "../controller.h"
+#include "../data.h"
 
 using namespace Mangle::Stream;
 using namespace std;
 using namespace Nif;
 
+// Display very verbose information
+bool verbose = false;
+
 void doVector(const Vector *vec)
 {
   cout << "["
@@ -21,6 +25,15 @@ void doVector(const Vector *vec)
        << vec->array[2] << "]\n";
 }
 
+void doVector4(const Vector4 *vec)
+{
+  cout << "["
+       << vec->array[0] << ","
+       << vec->array[1] << ","
+       << vec->array[2] << ","
+       << vec->array[3] << "]\n";
+}
+
 void doMatrix(const Matrix *mat)
 {
   cout << "Matrix:\n";
@@ -79,6 +92,54 @@ void doNode(Node *n)
     }
 }
 
+void doNiTriShape(NiTriShape *n)
+{
+  doNode(n);
+
+  cout << "Shape data: " << n->data.getIndex() << endl;
+  cout << "Skin instance: " << n->skin.getIndex() << endl;
+}
+
+void doNiSkinData(NiSkinData *n)
+{
+  int c = n->bones.size();
+
+  cout << "Global transformation:\n";
+  doMatrix(&n->trafo->rotation);
+  doVector(&n->trafo->trans);
+  cout << "Scale: " << n->trafo->scale << endl;
+
+  cout << "Bone number: " << c << endl;
+  for(int i=0; i<c; i++)
+    {
+      NiSkinData::BoneInfo &bi = n->bones[i];
+
+      cout << "-- Bone " << i << ":\n";
+      doMatrix(&bi.trafo->rotation);
+      doVector(&bi.trafo->trans);
+      cout << "Scale: " << bi.trafo->scale << endl;
+      cout << "Unknown: "; doVector4(bi.unknown);
+      cout << "Weight number: " << bi.weights.length << endl;
+
+      if(verbose)
+      for(int j=0; j<bi.weights.length; j++)
+        {
+          const NiSkinData::VertWeight &w = bi.weights.ptr[j];
+          cout << "  vert:" << w.vertex << " weight:" << w.weight << endl;
+        }
+    }
+}
+
+void doNiSkinInstance(NiSkinInstance *n)
+{
+  cout << "Data: " << n->data.getIndex() << endl;
+  cout << "Root: " << n->root.getIndex() << endl;
+  cout << "Bones:";
+  for(int i=0; i<n->bones.length(); i++)
+    cout << " " << n->bones.getIndex(i);
+  cout << endl;
+}
+
 void doNiNode(NiNode *n)
 {
   doNode(n);
@@ -148,6 +209,9 @@ int main(int argc, char **args)
       switch(r->recType)
         {
         case RC_NiNode: doNiNode((NiNode*)r); break;
+        case RC_NiSkinData: doNiSkinData((NiSkinData*)r); break;
+        case RC_NiSkinInstance: doNiSkinInstance((NiSkinInstance*)r); break;
+        case RC_NiTriShape: doNiTriShape((NiTriShape*)r); break;
         case RC_NiStringExtraData: doNiStringExtraData((NiStringExtraData*)r); break;
         case RC_NiSequenceStreamHelper: doNamed((Named*)r); break;
         case RC_NiTextKeyExtraData: doNiTextKeyExtraData((NiTextKeyExtraData*)r); break;