+(export ai-face?
+ ai-face-contents
+ ai-face-indices)
+
+
+;;; Vectors
+
+(define-conversion-type parse-aiVector2D -> ai-vector2d
+ (x (field 'x))
+ (y (field 'y)))
+
+(export ai-vector2d?
+ ai-vector2d-contents
+ ai-vector2d-x
+ ai-vector2d-y)
+
+(define-conversion-type parse-aiVector3D -> ai-vector3d
+ (x (field 'x))
+ (y (field 'y))
+ (z (field 'z)))
+
+(export ai-vector3d?
+ ai-vector3d-contents
+ ai-vector3d-x
+ ai-vector3d-y
+ ai-vector3d-z)
+
+
+;;; Colors
+
+(define-conversion-type parse-aiColor4D -> ai-color4d
+ (r (field 'r))
+ (g (field 'g))
+ (b (field 'b))
+ (a (field 'a)))
+
+(export ai-color4d?
+ ai-color4d-contents
+ ai-color4d-r
+ ai-color4d-g
+ ai-color4d-b
+ ai-color4d-a)
+
+
+;;; Bones
+
+(define-conversion-type parse-aiBone -> ai-bone
+ (name (sized-string (field 'mName)))
+ (weights (wrap
+ (array (field 'mNumWeights) (field 'mWeights) #:element-size 8 #:element-proc get-element-address)
+ wrap-ai-vertex-weight))
+ (offset-matrix (field 'mOffsetMatrix)))
+
+(export ai-bone?
+ ai-bone-contents
+ ai-bone-name
+ ai-bone-weights
+ ai-bone-offset-matrix)
+
+
+;;; Weights
+
+(define-conversion-type parse-aiVertexWeight -> ai-vertex-weight
+ (vertex-id (field 'mVertexId))
+ (weight (field 'mWeight)))
+
+(export ai-vertex-weight?
+ ai-vertex-weight-contents
+ ai-vertex-weight-vertex-id
+ ai-vertex-weight-weight)
+
+
+;;; Functions
+
+(define-public (ai-import-file filename flags)
+ (wrap-ai-scene
+ (aiImportFile (string->pointer filename)
+ flags)))
+
+(define-public (ai-multiply-matrix4 m1 m2)
+ (let ((cm1 (make-c-struct aiMatrix4x4-type m1))
+ (cm2 (make-c-struct aiMatrix4x4-type m2)))
+ (aiMultiplyMatrix4 cm1 cm2)
+ (parse-c-struct cm1 aiMatrix4x4-type)))