+++ /dev/null
-;;; guile-assimp, foreign interface to libassimp
-;;; Copyright (C) 2014 by Javier Sancho Fernandez <jsf at jsancho dot org>
-;;;
-;;; This program is free software: you can redistribute it and/or modify
-;;; it under the terms of the GNU General Public License as published by
-;;; the Free Software Foundation, either version 3 of the License, or
-;;; (at your option) any later version.
-;;;
-;;; This program is distributed in the hope that it will be useful,
-;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-;;; GNU General Public License for more details.
-;;;
-;;; You should have received a copy of the GNU General Public License
-;;; along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-
-(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 postprocess)
- #:use-module (assimp low-level scene)
- #:use-module (assimp low-level types)
- #:use-module (assimp low-level vector)
- #:use-module (system foreign)
- #:export (ai-import-file
- ai-release-import
- ai-attach-predefined-log-stream
- ai-transform-vec-by-matrix4
- ai-multiply-matrix3
- ai-multiply-matrix4
- ai-identity-matrix3
- ai-identity-matrix4
- ai-transpose-matrix3
- ai-transpose-matrix4)
- #:re-export (ai-material-key
- ai-process-steps
- ai-process-convert-to-left-handed
- ai-process-preset-target-realtime-fast
- ai-process-preset-target-realtime-quality
- ai-process-preset-target-realtime-max-quality
- ai-default-log-stream
- (aiDetachAllLogStreams . ai-detach-all-log-streams)))
-
-
-;;; Scenes
-
-(define-conversion-type parse-aiScene -> ai-scene
- (flags (field 'mFlags))
- (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))))
-
-(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 -> ai-node
- (name (sized-string (field 'mName)))
- (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 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 -> ai-mesh
- (name (sized-string (field 'mName)))
- (primitive-types (field 'mPrimitiveTypes))
- (vertices (wrap
- (array (field 'mNumVertices) (field 'mVertices) #:element-size 12 #:element-proc get-element-address)
- wrap-ai-vector3d))
- (faces (wrap
- (array (field 'mNumFaces) (field 'mFaces) #:element-size 8 #:element-proc get-element-address)
- wrap-ai-face))
- (normals (wrap
- (array (field 'mNumVertices) (field 'mNormals) #:element-size 12 #:element-proc get-element-address)
- wrap-ai-vector3d))
- (tangents (wrap
- (array (field 'mNumVertices) (field 'mTangents) #:element-size 12 #:element-proc get-element-address)
- wrap-ai-vector3d))
- (bitangents (wrap
- (array (field 'mNumVertices) (field 'mBitangents) #:element-size 12 #:element-proc get-element-address)
- wrap-ai-vector3d))
- (colors (map
- (lambda (c)
- (wrap
- (array (field 'mNumVertices) c #:element-size 16 #:element-proc get-element-address)
- wrap-ai-color4d))
- (field 'mColors)))
- (texture-coords (map
- (lambda (tc)
- (wrap
- (array (field 'mNumVertices) tc #:element-size 12 #:element-proc get-element-address)
- wrap-ai-vector3d))
- (field 'mTextureCoords)))
- (num-uv-components (field 'mNumUVComponents))
- (bones (wrap (array (field 'mNumBones) (field 'mBones)) wrap-ai-bone))
- (material-index (field 'mMaterialIndex)))
-
-(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 -> ai-material
- (properties (array (field 'mNumProperties) (field 'mProperties)))
- (num-allocated (field 'mNumAllocated)))
-
-(export ai-material?
- ai-material-contents
- ai-material-properties
- ai-material-num-allocated)
-
-
-(define-public (ai-get-material-color mat color-type)
- (let ((pmat (unwrap-ai-material mat))
- (pkey (string->pointer (car color-type)))
- (type (cadr color-type))
- (index (caddr color-type))
- (pout (parse-aiColor4D (make-list 4 0) #:reverse #t)))
- (let ((res (aiGetMaterialColor pmat pkey type index pout)))
- (if (< res 0)
- res
- (wrap-ai-color4d pout)))))
-
-(define-public (ai-get-material-float-array mat color-type max)
- (let ((pmat (unwrap-ai-material mat))
- (pkey (string->pointer (car color-type)))
- (type (cadr color-type))
- (index (caddr color-type))
- (pout (bytevector->pointer (list->f32vector (make-list max 0))))
- (pmax (bytevector->pointer (list->u32vector (list max)))))
- (let ((res (aiGetMaterialFloatArray pmat pkey type index pout pmax)))
- (if (< res 0)
- res
- (f32vector->list (pointer->bytevector pout max 0 'f32))))))
-
-(define-public (ai-get-material-integer-array mat color-type max)
- (let ((pmat (unwrap-ai-material mat))
- (pkey (string->pointer (car color-type)))
- (type (cadr color-type))
- (index (caddr color-type))
- (pout (bytevector->pointer (list->s32vector (make-list max 0))))
- (pmax (bytevector->pointer (list->u32vector (list max)))))
- (let ((res (aiGetMaterialIntegerArray pmat pkey type index pout pmax)))
- (if (< res 0)
- res
- (s32vector->list (pointer->bytevector pout max 0 's32))))))
-
-
-;;; Faces
-
-(define-conversion-type parse-aiFace -> ai-face
- (indices (array (field 'mNumIndices) (field 'mIndices))))
-
-(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)
-
-
-;;; 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 -> 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 (wrap (parse-aiMatrix4x4 (field 'mOffsetMatrix) #:reverse #t) wrap-ai-matrix4x4)))
-
-(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 (ai-import-file filename flags)
- (wrap-ai-scene
- (aiImportFile (string->pointer filename)
- flags)))
-
-(define (ai-release-import scene)
- (aiReleaseImport (unwrap-ai-scene scene)))
-
-(define* (ai-attach-predefined-log-stream type #:optional file)
- (aiAttachLogStream
- (aiGetPredefinedLogStream
- type
- (if file
- (string->pointer file)
- %null-pointer))))
-
-(define (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 (ai-multiply-matrix3 m1 m2)
- (let ((cm1 (parse-aiMatrix3x3 (map cdr (ai-matrix3x3-contents m1)) #:reverse #t))
- (cm2 (parse-aiMatrix3x3 (map cdr (ai-matrix3x3-contents m2)) #:reverse #t)))
- (aiMultiplyMatrix3 cm1 cm2)
- (wrap-ai-matrix3x3 cm1)))
-
-(define (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)))
-
-(define (ai-identity-matrix3)
- (let ((cmat (parse-aiMatrix3x3 (make-list 9 0) #:reverse #t)))
- (aiIdentityMatrix3 cmat)
- (wrap-ai-matrix3x3 cmat)))
-
-(define (ai-identity-matrix4)
- (let ((cmat (parse-aiMatrix4x4 (make-list 16 0) #:reverse #t)))
- (aiIdentityMatrix4 cmat)
- (wrap-ai-matrix4x4 cmat)))
-
-(define (ai-transpose-matrix3 mat)
- (let ((cmat (parse-aiMatrix3x3 (map cdr (ai-matrix3x3-contents mat)) #:reverse #t)))
- (aiTransposeMatrix3 cmat)
- (wrap-ai-matrix3x3 cmat)))
-
-(define (ai-transpose-matrix4 mat)
- (let ((cmat (parse-aiMatrix4x4 (map cdr (ai-matrix4x4-contents mat)) #:reverse #t)))
- (aiTransposeMatrix4 cmat)
- (wrap-ai-matrix4x4 cmat)))
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