(define-module (assimp assimp)
#:use-module (assimp low-level)
+ #:use-module (assimp low-level cimport)
#:use-module (assimp low-level color)
#:use-module (assimp low-level material)
+ #:use-module (assimp low-level matrix)
#:use-module (assimp low-level mesh)
#:use-module (assimp low-level scene)
+ #:use-module (assimp low-level types)
#:use-module (assimp low-level vector)
#:use-module (system foreign))
-(define libassimp (dynamic-link "libassimp"))
-
-(define aiImportFile
- (pointer->procedure '*
- (dynamic-func "aiImportFile" libassimp)
- (list '* unsigned-int)))
-
;;; Scenes
-(define-conversion-type parse-aiScene -> scene
+(define-conversion-type parse-aiScene -> ai-scene
(flags (field 'mFlags))
- (root-node (wrap (field 'mRootNode) wrap-node))
- (meshes (wrap (array (field 'mNumMeshes) (field 'mMeshes)) wrap-mesh))
- (materials (wrap (array (field 'mNumMaterials) (field 'mMaterials)) wrap-material))
+ (root-node (wrap (field 'mRootNode) wrap-ai-node))
+ (meshes (wrap (array (field 'mNumMeshes) (field 'mMeshes)) wrap-ai-mesh))
+ (materials (wrap (array (field 'mNumMaterials) (field 'mMaterials)) wrap-ai-material))
(animations (array (field 'mNumAnimations) (field 'mAnimations)))
(textures (array (field 'mNumTextures) (field 'mTextures)))
(lights (array (field 'mNumLights) (field 'mLights)))
(cameras (array (field 'mNumCameras) (field 'mCameras))))
-(define (load-scene filename flags)
- (wrap-scene
- (aiImportFile (string->pointer filename)
- flags)))
-
-(export load-scene
- scene?
- scene-contents
- scene-flags
- scene-root-node
- scene-meshes
- scene-materials
- scene-animations
- scene-textures
- scene-lights
- scene-cameras)
+(export ai-scene?
+ ai-scene-contents
+ ai-scene-flags
+ ai-scene-root-node
+ ai-scene-meshes
+ ai-scene-materials
+ ai-scene-animations
+ ai-scene-textures
+ ai-scene-lights
+ ai-scene-cameras)
;;; Nodes
-(define-conversion-type parse-aiNode -> node
+(define-conversion-type parse-aiNode -> ai-node
(name (sized-string (field 'mName)))
- (transformation (field 'mTransformation))
- (parent (wrap (field 'mParent) wrap-node))
- (children (wrap (array (field 'mNumChildren) (field 'mChildren)) wrap-node))
+ (transformation (wrap (parse-aiMatrix4x4 (field 'mTransformation) #:reverse #t) wrap-ai-matrix4x4))
+ (parent (wrap (field 'mParent) wrap-ai-node))
+ (children (wrap (array (field 'mNumChildren) (field 'mChildren)) wrap-ai-node))
(meshes (array (field 'mNumMeshes) (field 'mMeshes))))
-(export node?
- node-contents
- node-name
- node-transformation
- node-parent
- node-children
- node-meshes)
+(export ai-node?
+ ai-node-contents
+ ai-node-name
+ ai-node-transformation
+ ai-node-parent
+ ai-node-children
+ ai-node-meshes)
;;; Meshes
-(define-conversion-type parse-aiMesh -> mesh
+(define-conversion-type parse-aiMesh -> ai-mesh
(name (sized-string (field 'mName)))
(primitive-types (field 'mPrimitiveTypes))
(vertices (wrap
(array (field 'mNumVertices) (field 'mVertices) #:element-proc get-element-address)
- wrap-vector3d))
+ wrap-ai-vector3d))
(faces (wrap
(array (field 'mNumFaces) (field 'mFaces) #:element-size 8 #:element-proc get-element-address)
- wrap-face))
+ wrap-ai-face))
(normals (wrap
(array (field 'mNumVertices) (field 'mNormals) #:element-size 12 #:element-proc get-element-address)
- wrap-vector3d))
+ wrap-ai-vector3d))
(tangents (wrap
(array (field 'mNumVertices) (field 'mTangents) #:element-size 12 #:element-proc get-element-address)
- wrap-vector3d))
+ wrap-ai-vector3d))
(bitangents (wrap
(array (field 'mNumVertices) (field 'mBitangents) #:element-size 12 #:element-proc get-element-address)
- wrap-vector3d))
+ wrap-ai-vector3d))
(colors (map
(lambda (c)
(wrap
(array (field 'mNumVertices) c #:element-size 16 #:element-proc get-element-address)
- wrap-color4d))
+ wrap-ai-color4d))
(field 'mColors)))
(texture-coords (map
(lambda (tc)
(wrap
(array (field 'mNumVertices) tc #:element-size 12 #:element-proc get-element-address)
- wrap-vector3d))
+ wrap-ai-vector3d))
(field 'mTextureCoords)))
(num-uv-components (field 'mNumUVComponents))
- (bones (wrap (array (field 'mNumBones) (field 'mBones)) wrap-bone))
+ (bones (wrap (array (field 'mNumBones) (field 'mBones)) wrap-ai-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)
+(export ai-mesh?
+ ai-mesh-contents
+ ai-mesh-name
+ ai-mesh-primitive-types
+ ai-mesh-vertices
+ ai-mesh-faces
+ ai-mesh-normals
+ ai-mesh-tangents
+ ai-mesh-bitangents
+ ai-mesh-colors
+ ai-mesh-texture-coords
+ ai-mesh-num-uv-components
+ ai-mesh-bones
+ ai-mesh-material-index)
;;; Materials
-(define-conversion-type parse-aiMaterial -> material
+(define-conversion-type parse-aiMaterial -> ai-material
(properties (array (field 'mNumProperties) (field 'mProperties)))
(num-allocated (field 'mNumAllocated)))
-(export material?
- material-contents
- material-properties
- material-num-allocated)
+(export ai-material?
+ ai-material-contents
+ ai-material-properties
+ ai-material-num-allocated)
;;; Faces
-(define-conversion-type parse-aiFace -> face
+(define-conversion-type parse-aiFace -> ai-face
(indices (array (field 'mNumIndices) (field 'mIndices))))
-(export face?
- face-contents
- face-indices)
+(export ai-face?
+ ai-face-contents
+ ai-face-indices)
;;; Vectors
-(define-conversion-type parse-aiVector2D -> vector2d
+(define-conversion-type parse-aiVector2D -> ai-vector2d
(x (field 'x))
(y (field 'y)))
-(export vector2d?
- vector2d-contents
- vector2d-x
- vector2d-y)
+(export ai-vector2d?
+ ai-vector2d-contents
+ ai-vector2d-x
+ ai-vector2d-y)
-(define-conversion-type parse-aiVector3D -> vector3d
+(define-conversion-type parse-aiVector3D -> ai-vector3d
(x (field 'x))
(y (field 'y))
(z (field 'z)))
-(export vector3d?
- vector3d-contents
- vector3d-x
- vector3d-y
- vector3d-z)
+(export ai-vector3d?
+ ai-vector3d-contents
+ ai-vector3d-x
+ ai-vector3d-y
+ ai-vector3d-z)
+
+
+;;; Matrixes
+
+(define-conversion-type parse-aiMatrix3x3 -> ai-matrix3x3
+ (a1 (field 'a1))
+ (a2 (field 'a2))
+ (a3 (field 'a3))
+ (b1 (field 'b1))
+ (b2 (field 'b2))
+ (b3 (field 'b3))
+ (c1 (field 'c1))
+ (c2 (field 'c2))
+ (c3 (field 'c3)))
+
+(export ai-matrix3x3?
+ ai-matrix3x3-contents
+ ai-matrix3x3-a1
+ ai-matrix3x3-a2
+ ai-matrix3x3-a3
+ ai-matrix3x3-b1
+ ai-matrix3x3-b2
+ ai-matrix3x3-b3
+ ai-matrix3x3-c1
+ ai-matrix3x3-c2
+ ai-matrix3x3-c3)
+
+(define-conversion-type parse-aiMatrix4x4 -> ai-matrix4x4
+ (a1 (field 'a1))
+ (a2 (field 'a2))
+ (a3 (field 'a3))
+ (a4 (field 'a4))
+ (b1 (field 'b1))
+ (b2 (field 'b2))
+ (b3 (field 'b3))
+ (b4 (field 'b4))
+ (c1 (field 'c1))
+ (c2 (field 'c2))
+ (c3 (field 'c3))
+ (c4 (field 'c4))
+ (d1 (field 'd1))
+ (d2 (field 'd2))
+ (d3 (field 'd3))
+ (d4 (field 'd4)))
+
+(export ai-matrix4x4?
+ ai-matrix4x4-contents
+ ai-matrix4x4-a1
+ ai-matrix4x4-a2
+ ai-matrix4x4-a3
+ ai-matrix4x4-a4
+ ai-matrix4x4-b1
+ ai-matrix4x4-b2
+ ai-matrix4x4-b3
+ ai-matrix4x4-b4
+ ai-matrix4x4-c1
+ ai-matrix4x4-c2
+ ai-matrix4x4-c3
+ ai-matrix4x4-c4
+ ai-matrix4x4-d1
+ ai-matrix4x4-d2
+ ai-matrix4x4-d3
+ ai-matrix4x4-d4)
;;; Colors
-(define-conversion-type parse-aiColor4D -> color4d
+(define-conversion-type parse-aiColor4D -> ai-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)
+(export ai-color4d?
+ ai-color4d-contents
+ ai-color4d-r
+ ai-color4d-g
+ ai-color4d-b
+ ai-color4d-a)
;;; Bones
-(define-conversion-type parse-aiBone -> bone
+(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-vertex-weight))
- (offset-matrix (field 'mOffsetMatrix)))
+ wrap-ai-vertex-weight))
+ (offset-matrix (wrap (parse-aiMatrix4x4 (field 'mOffsetMatrix) #:reverse #t) wrap-ai-matrix4x4)))
-(export bone?
- bone-contents
- bone-name
- bone-weights
- bone-offset-matrix)
+(export ai-bone?
+ ai-bone-contents
+ ai-bone-name
+ ai-bone-weights
+ ai-bone-offset-matrix)
;;; Weights
-(define-conversion-type parse-aiVertexWeight -> vertex-weight
+(define-conversion-type parse-aiVertexWeight -> ai-vertex-weight
(vertex-id (field 'mVertexId))
(weight (field 'mWeight)))
-(export vertex-weight?
- vertex-weight-contents
- vertex-weight-vertex-id
- vertex-weight-weight)
+(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-transform-vec-by-matrix4 vec mat)
+ (let ((cvec (parse-aiVector3D (map cdr (ai-vector3d-contents vec)) #:reverse #t))
+ (cmat (parse-aiMatrix4x4 (map cdr (ai-matrix4x4-contents mat)) #:reverse #t)))
+ (aiTransformVecByMatrix4 cvec cmat)
+ (wrap-ai-vector3d cvec)))
+
+(define-public (ai-multiply-matrix4 m1 m2)
+ (let ((cm1 (parse-aiMatrix4x4 (map cdr (ai-matrix4x4-contents m1)) #:reverse #t))
+ (cm2 (parse-aiMatrix4x4 (map cdr (ai-matrix4x4-contents m2)) #:reverse #t)))
+ (aiMultiplyMatrix4 cm1 cm2)
+ (wrap-ai-matrix4x4 cm1)))