Added a few more records, finished property.h

nif/data.h

@@ -82,5 +82,73 @@ struct NiSourceTexture : Named
   }
 };
 
+// Common ancestor for several data classes
+struct ShapeData : Record
+{
+  FloatArray vertices, normals, colors, uvlist;
+  const Vector *center;
+  float radius;
+
+  void read(NIFFile *nif)
+  {
+    int verts = nif->getUshort();
+
+    if(nif->getInt())
+      vertices = nif->getFloatLen(verts*3);
+
+    if(nif->getInt())
+      normals = nif->getFloatLen(verts*3);
+
+    center = nif->getVector();
+    radius = nif->getFloat();
+
+    if(nif->getInt())
+      colors = nif->getFloatLen(verts*4);
+
+    int uvs = nif->getUshort();
+
+    // Only the first 6 bits are used as a count. I think the rest are
+    // flags of some sort.
+    uvs &= 0x3f;
+
+    if(nif->getInt())
+      uvlist = nif->getFloatLen(uvs*verts*2);
+  }
+};
+
+struct NiTriShapeData : ShapeData
+{
+  // Triangles, three vertex indices per triangle
+  SliceArray<short> triangles;
+
+  void read(NIFFile *nif)
+  {
+    ShapeData::read(nif);
+
+    int tris = nif->getUshort();
+    if(tris)
+      {
+        // We have three times as many vertices as triangles, so this
+        // is always equal to tris*3.
+        int cnt = nif->getInt();
+        triangles = nif->getArrayLen<short>(cnt);
+      }
+
+    // Read the match list, which lists the vertices that are equal to
+    // vertices. We don't actually need need this for anything, so
+    // just skip it.
+    int verts = nif->getUshort();
+    if(verts)
+      {
+        for(int i=0;i<verts;i++)
+          {
+            // Number of vertices matching vertex 'i'
+            short num = nif->getUshort();
+            nif->skip(num*sizeof(short));
+          }
+      }
+  }
+};
+
 } // Namespace
 #endif

nif/nif_file.cpp

@@ -55,18 +55,90 @@ void NIFFile::parse()
     {
       SString rec = getString();
       
-      cout << i << ": " << rec.toString() << endl;
+      //cout << i << ": " << rec.toString() << endl;
 
       Record *r;
 
-      // This can be heavily optimized later if needed. For example, a
+      /* These are all the record types we know how to read.
-      // hash table or a FSM-based parser could be used to look up
+
-      // node names.
+         This can be heavily optimized later if needed. For example, a
-      if(rec == "NiNode") r = new NiNode;
+         hash table or a FSM-based parser could be used to look up
+         node names.
+      */
+
+      // NiNodes
+      if(rec == "NiNode" || rec == "AvoidNode" ||
+         rec == "RootCollisionNode" ||
+         rec == "NiBSParticleNode" ||
+         rec == "NiBSAnimationNode" ||
+         rec == "NiBillboardNode") r = new NiNode;
+
+      // Other nodes
       else if(rec == "NiTriShape") r = new NiTriShape;
+      else if(rec == "NiRotatingParticles") r = new NiRotatingParticles;
+      else if(rec == "NiAutoNormalParticles") r = new NiAutoNormalParticles;
+      else if(rec == "NiCamera") r = new NiCamera;
+
+      // Properties
       else if(rec == "NiTexturingProperty") r = new NiTexturingProperty;
+      else if(rec == "NiMaterialProperty") r = new NiMaterialProperty;
+      else if(rec == "NiZBufferProperty") r = new NiZBufferProperty;
+      else if(rec == "NiAlphaProperty") r = new NiAlphaProperty;
+      else if(rec == "NiVertexColorProperty") r = new NiVertexColorProperty;
+      else if(rec == "NiShadeProperty") r = new NiShadeProperty;
+      else if(rec == "NiDitherProperty") r = new NiDitherProperty;
+      else if(rec == "NiWireframeProperty") r = new NiWireframeProperty;
+      else if(rec == "NiSpecularProperty") r = new NiSpecularProperty;
+
+      // Controllers
+      else if(rec == "NiVisController") r = new NiVisController;
+      else if(rec == "NiGeomMorpherController") r = new NiGeomMorpherController;
+      else if(rec == "NiKeyframeController") r = new NiKeyframeController;
+      else if(rec == "NiAlphaController") r = new NiAlphaController;
+      else if(rec == "NiUVController") r = new NiUVController;
+      else if(rec == "NiPathController") r = new NiPathController;
+      else if(rec == "NiMaterialColorController") r = new NiMaterialColorController;
+      else if(rec == "NiBSPArrayController") r = new NiBSPArrayController;
+      else if(rec == "NiParticleSystemController") r = new NiParticleSystemController;
+
+      // Effects
+      else if(rec == "NiAmbientLight" ||
+              rec == "NiDirectionalLight") r = new NiLight;
+      else if(rec == "NiTextureEffect") r = new NiTextureEffect;
+
+      // Extra Data
+      else if(rec == "NiVertWeightsExtraData") r = new NiVertWeightsExtraData;
+      else if(rec == "NiTextKeyExtraData") r = new NiTextKeyExtraData;
+      else if(rec == "NiStringExtraData") r = new NiStringExtraData;
+
+      else if(rec == "NiGravity") r = new NiGravity;
+      else if(rec == "NiPlanarCollider") r = new NiPlanarCollider;
+      else if(rec == "NiParticleGrowFade") r = new NiParticleGrowFade;
+      else if(rec == "NiParticleColorModifier") r = new NiParticleColorModifier;
+      else if(rec == "NiParticleRotation") r = new NiParticleRotation;
+
+      // Data
+      else if(rec == "NiFloatData") r = new NiFloatData;
+      else if(rec == "NiTriShapeData") r = new NiTriShapeData;
+      else if(rec == "NiVisData") r = new NiVisData;
+      else if(rec == "NiColorData") r = new NiColorData;
+      else if(rec == "NiPixelData") r = new NiPixelData;
+      else if(rec == "NiMorphData") r = new NiMorphData;
+      else if(rec == "NiKeyframeData") r = new NiKeyframeData;
+      else if(rec == "NiSkinData") r = new NiSkinData;
+      else if(rec == "NiUVData") r = new NiUVData;
+      else if(rec == "NiPosData") r = new NiPosData;
+      else if(rec == "NiRotatingParticlesData") r = new NiRotatingParticlesData;
+      else if(rec == "NiAutoNormalParticlesData") r = new NiAutoNormalParticlesData;
+
+      // Other
+      else if(rec == "NiSequenceStreamHelper") r = new NiSequenceStreamHelper;
       else if(rec == "NiSourceTexture") r = new NiSourceTexture;
-      else break;
+      else if(rec == "NiSkinInstance") r = new NiSkinInstance;
+
+      // Failure
+      else
+        fail("Unknown record type " + rec.toString());
 
       r->read(this);
     }

nif/nif_file.h

@@ -117,11 +117,15 @@ class NIFFile
   float getFloat() { return getType<float>(); }
   char getByte() { return getType<char>(); }
 
+  template<class X>
+  SliceArray<X> getArrayLen(int num)
+    { return SliceArray<X>((const X*)inp->getPtr(num*sizeof(X)),num); }
+
   template<class X>
   SliceArray<X> getArray()
     {
       int len = getInt();
-      return SliceArray<X>((const X*)inp->getPtr(len), len);
+      return getArrayLen<X>(len);
     }
 
   SString getString() { return getArray<char>(); }
@@ -131,6 +135,9 @@ class NIFFile
   const Transformation *getTrafo() { return getPtr<Transformation>(); }
   const Vector4 *getVector4() { return getPtr<Vector4>(); }
 
+  FloatArray getFloatLen(int num)
+    { return getArrayLen<float>(num); }
+
   // For fixed-size strings where you already know the size
   const char *getString(int size)
     { return (const char*)inp->getPtr(size); }

nif/property.h

@@ -130,5 +130,101 @@ struct NiTexturingProperty : Property
   }
 };
 
+// These contain no other data than the 'flags' field in Property
+typedef Property NiShadeProperty;
+typedef Property NiDitherProperty;
+typedef Property NiZBufferProperty;
+typedef Property NiSpecularProperty;
+typedef Property NiWireframeProperty;
+
+// The rest are all struct-based
+template <typename Struct>
+struct StructPropT : Property
+{
+  const Struct* data;
+
+  void read(NIFFile *nif)
+  {
+    Property::read(nif);
+    data = nif->getPtr<Struct>();
+  }
+};
+
+struct S_MaterialProperty
+{
+  // The vector components are R,G,B
+  Vector ambient, diffuse, specular, emissive;
+  float glossiness, alpha;
+};
+
+struct S_VertexColorProperty
+{
+  /* Vertex mode:
+     0 - source ignore
+     1 - source emmisive
+     2 - source amb diff
+
+     Lighting mode
+     0 - lighting emmisive
+     1 - lighting emmisive ambient/diffuse
+  */
+  int vertmode, lightmode;
+};
+
+struct S_AlphaProperty
+{
+  /*
+    In NiAlphaProperty, the flags have the following meaning.
+
+    Bit 0 : alpha blending enable
+    Bits 1-4 : source blend mode
+    Bits 5-8 : destination blend mode
+    Bit 9 : alpha test enable
+    Bit 10-12 : alpha test mode
+    Bit 13 : no sorter flag ( disables triangle sorting )
+
+    blend modes (glBlendFunc):
+    0000 GL_ONE
+    0001 GL_ZERO
+    0010 GL_SRC_COLOR
+    0011 GL_ONE_MINUS_SRC_COLOR
+    0100 GL_DST_COLOR
+    0101 GL_ONE_MINUS_DST_COLOR
+    0110 GL_SRC_ALPHA
+    0111 GL_ONE_MINUS_SRC_ALPHA
+    1000 GL_DST_ALPHA
+    1001 GL_ONE_MINUS_DST_ALPHA
+    1010 GL_SRC_ALPHA_SATURATE
+
+    test modes (glAlphaFunc):
+    000 GL_ALWAYS
+    001 GL_LESS
+    010 GL_EQUAL
+    011 GL_LEQUAL
+    100 GL_GREATER
+    101 GL_NOTEQUAL
+    110 GL_GEQUAL
+    111 GL_NEVER
+
+    Taken from:
+    http://niftools.sourceforge.net/doc/nif/NiAlphaProperty.html
+
+    Right now we only use standard alpha blending (see the Ogre code
+    that sets it up) and it appears that this is the only blending
+    used in the original game. Bloodmoon (along with several mods) do
+    however use other settings, such as discarding pixel values with
+    alpha < 1.0. This is faster because we don't have to mess with the
+    depth stuff like we did for blending. And OGRE has settings for
+    this too.
+  */
+
+  // Tested against when certain flags are set (see above.)
+  unsigned char threshold;
+};
+
+typedef StructPropT<S_AlphaProperty> NiAlphaProperty;
+typedef StructPropT<S_MaterialProperty> NiMaterialProperty;
+typedef StructPropT<S_VertexColorProperty> NiVertexColorProperty;
+
 } // Namespace
 #endif