New foreign function ai-transform-vec-by-matrix4

[guile-assimp.git] / src / assimp.scm

diff --git a/src/assimp.scm b/src/assimp.scm
index 81329da4bde097335c13c03cc079d38a3050136f..917a6853732dece010142646e1294684b19cca5f 100644 (file)
--- a/src/assimp.scm
+++ b/src/assimp.scm
@@ -17,205 +17,278 @@
 
 (define-module (assimp assimp)
   #:use-module (assimp low-level)
 
 (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 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 mesh)
   #:use-module (assimp low-level scene)

+  #:use-module (assimp low-level types)

   #:use-module (assimp low-level vector)
   #:use-module (system foreign))
 
   #: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
 
 
 ;;; Scenes
 

-(define-conversion-type parse-aiScene -> scene
+(define-conversion-type parse-aiScene -> ai-scene

   (flags (field 'mFlags))
   (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))))
 
   (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
 
 
 
 ;;; Nodes
 

-(define-conversion-type parse-aiNode -> node
+(define-conversion-type parse-aiNode -> ai-node

   (name (sized-string (field 'mName)))
   (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))))
 
   (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
 
 
 
 ;;; 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)
   (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)
   (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)
   (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)
   (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)
   (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)
   (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)
           (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))
                   (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)))
 
   (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
 
 
 
 ;;; Materials
 

-(define-conversion-type parse-aiMaterial -> material
+(define-conversion-type parse-aiMaterial -> ai-material

   (properties (array (field 'mNumProperties) (field 'mProperties)))
   (num-allocated (field 'mNumAllocated)))
 
   (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
 
 
 
 ;;; Faces
 

-(define-conversion-type parse-aiFace -> face
+(define-conversion-type parse-aiFace -> ai-face

   (indices (array (field 'mNumIndices) (field 'mIndices))))
 
   (indices (array (field 'mNumIndices) (field 'mIndices))))
 

-(export face?
-       face-contents
-       face-indices)
+(export ai-face?
+       ai-face-contents
+       ai-face-indices)

 
 
 ;;; Vectors
 
 
 
 ;;; Vectors
 

-(define-conversion-type parse-aiVector2D -> vector2d
+(define-conversion-type parse-aiVector2D -> ai-vector2d

   (x (field 'x))
   (y (field 'y)))
 
   (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)))
 
   (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
 
 
 
 ;;; 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)))
 
   (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
 
 
 
 ;;; 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)
   (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
 
 
 
 ;;; Weights
 

-(define-conversion-type parse-aiVertexWeight -> vertex-weight
+(define-conversion-type parse-aiVertexWeight -> ai-vertex-weight

   (vertex-id (field 'mVertexId))
   (weight (field 'mWeight)))
 
   (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)))