--- /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)
+ #: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)))
projects / guile-assimp.git / blobdiff