+ flags)))
+
+(export load-scene
+ scene?
+ scene-contents
+ scene-flags
+ scene-root-node
+ scene-meshes
+ scene-materials
+ scene-animations
+ scene-textures
+ scene-lights
+ scene-cameras)
+
+
+;;; Nodes
+
+(define-conversion-type parse-aiNode -> node
+ (name (sized-string (field 'mName)))
+ (transformation (field 'mTransformation))
+ (parent (wrap (field 'mParent) wrap-node))
+ (children (wrap (array (field 'mNumChildren) (field 'mChildren)) wrap-node))
+ (meshes (array (field 'mNumMeshes) (field 'mMeshes))))
+
+(export node?
+ node-contents
+ node-name
+ node-transformation
+ node-parent
+ node-children
+ node-meshes)
+
+
+;;; Meshes
+
+(define-conversion-type parse-aiMesh -> mesh
+ (name (sized-string (field 'mName)))
+ (primitive-types (field 'mPrimitiveTypes))
+ (vertices (wrap
+ (array (field 'mNumVertices) (field 'mVertices) #:element-proc get-element-address)
+ wrap-vector3d))
+ (faces (wrap
+ (array (field 'mNumFaces) (field 'mFaces) #:element-size 8 #:element-proc get-element-address)
+ wrap-face))
+ (normals (wrap
+ (array (field 'mNumVertices) (field 'mNormals) #:element-size 12 #:element-proc get-element-address)
+ wrap-vector3d))
+ (tangents (wrap
+ (array (field 'mNumVertices) (field 'mTangents) #:element-size 12 #:element-proc get-element-address)
+ wrap-vector3d))
+ (bitangents (wrap
+ (array (field 'mNumVertices) (field 'mBitangents) #:element-size 12 #:element-proc get-element-address)
+ wrap-vector3d))
+ (colors (map
+ (lambda (c)
+ (wrap
+ (array (field 'mNumVertices) c #:element-size 16 #:element-proc get-element-address)
+ wrap-color4d))
+ (field 'mColors)))
+ (texture-coords (map
+ (lambda (tc)
+ (wrap
+ (array (field 'mNumVertices) tc #:element-size 12 #:element-proc get-element-address)
+ wrap-vector3d))
+ (field 'mTextureCoords)))
+ (num-uv-components (field 'mNumUVComponents))
+ (bones (wrap (array (field 'mNumBones) (field 'mBones)) wrap-bone))
+ (material-index (field 'mMaterialIndex)))
+
+(export mesh?
+ mesh-contents
+ mesh-name
+ mesh-primitive-types
+ mesh-vertices
+ mesh-faces
+ mesh-normals
+ mesh-tangents
+ mesh-bitangents
+ mesh-colors
+ mesh-texture-coords
+ mesh-num-uv-components
+ mesh-bones
+ mesh-material-index)
+
+
+;;; Materials
+
+(define-conversion-type parse-aiMaterial -> material
+ (properties (array (field 'mNumProperties) (field 'mProperties)))
+ (num-allocated (field 'mNumAllocated)))
+
+(export material?
+ material-contents
+ material-properties
+ material-num-allocated)
+
+
+;;; Faces
+
+(define-conversion-type parse-aiFace -> face
+ (indices (array (field 'mNumIndices) (field 'mIndices))))
+
+(export face?
+ face-contents
+ face-indices)
+
+
+;;; Vectors
+
+(define-conversion-type parse-aiVector2D -> vector2d
+ (x (field 'x))
+ (y (field 'y)))
+
+(export vector2d?
+ vector2d-contents
+ vector2d-x
+ vector2d-y)
+
+(define-conversion-type parse-aiVector3D -> vector3d
+ (x (field 'x))
+ (y (field 'y))
+ (z (field 'z)))
+
+(export vector3d?
+ vector3d-contents
+ vector3d-x
+ vector3d-y
+ vector3d-z)
+
+
+;;; Colors
+
+(define-conversion-type parse-aiColor4D -> color4d
+ (r (field 'r))
+ (g (field 'g))
+ (b (field 'b))
+ (a (field 'a)))
+
+(export color4d?
+ color4d-contents
+ color4d-r
+ color4d-g
+ color4d-b
+ color4d-a)
+
+
+;;; Bones
+
+(define-conversion-type parse-aiBone -> bone
+ (name (sized-string (field 'mName)))
+ (weights (wrap
+ (array (field 'mNumWeights) (field 'mWeights) #:element-size 8 #:element-proc get-element-address)
+ wrap-vertex-weight))
+ (offset-matrix (field 'mOffsetMatrix)))
+
+(export bone?
+ bone-contents
+ bone-name
+ bone-weights
+ bone-offset-matrix)
+