Use bytevectors instead structs when passing pointers to arrays

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

diff --git a/src/assimp.scm b/src/assimp.scm
index dad56342e5eff3afa8a23cbd42048090b615325c..3925805182696dd50b332eb9d20c9e4c6f4f217a 100644 (file)
--- a/src/assimp.scm
+++ b/src/assimp.scm
@@ -27,12 +27,24 @@
   #: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-process-preset-target-realtime-max-quality
+              ai-default-log-stream
+              (aiDetachAllLogStreams . ai-detach-all-log-streams)))
 
 
 ;;; Scenes
@@ -83,7 +95,7 @@
   (name (sized-string (field 'mName)))
   (primitive-types (field 'mPrimitiveTypes))
   (vertices (wrap
-            (array (field 'mNumVertices) (field 'mVertices) #:element-proc get-element-address)
+            (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)
@@ -157,24 +169,24 @@
        (pkey (string->pointer (car color-type)))
        (type (cadr color-type))
        (index (caddr color-type))
-       (pout (make-c-struct (make-list max float) '(0)))
-       (pmax (make-c-struct (list unsigned-int) (list max))))
+       (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
-         (parse-c-struct pout (make-list max float))))))
+         (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 (make-c-struct (make-list max int) '(0)))
-       (pmax (make-c-struct (list unsigned-int) (list max))))
+       (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
-         (parse-c-struct pout (make-list max int))))))
+         (s32vector->list (pointer->bytevector pout max 0 's32))))))
 
 
 ;;; Faces
@@ -319,45 +331,56 @@
 
 ;;; Functions
 
-(define-public (ai-import-file filename flags)
+(define (ai-import-file filename flags)
   (wrap-ai-scene
    (aiImportFile (string->pointer filename)
                 flags)))
 
-(define-public (ai-transform-vec-by-matrix4 vec mat)
+(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-public (ai-multiply-matrix3 m1 m2)
+(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-public (ai-multiply-matrix4 m1 m2)
+(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-public (ai-identity-matrix3)
+(define (ai-identity-matrix3)
   (let ((cmat (parse-aiMatrix3x3 (make-list 9 0) #:reverse #t)))
     (aiIdentityMatrix3 cmat)
     (wrap-ai-matrix3x3 cmat)))
 
-(define-public (ai-identity-matrix4)
+(define (ai-identity-matrix4)
   (let ((cmat (parse-aiMatrix4x4 (make-list 16 0) #:reverse #t)))
     (aiIdentityMatrix4 cmat)
     (wrap-ai-matrix4x4 cmat)))
 
-(define-public (ai-transpose-matrix3 mat)
+(define (ai-transpose-matrix3 mat)
   (let ((cmat (parse-aiMatrix3x3 (map cdr (ai-matrix3x3-contents mat)) #:reverse #t)))
     (aiTransposeMatrix3 cmat)
     (wrap-ai-matrix3x3 cmat)))
 
-(define-public (ai-transpose-matrix4 mat)
+(define (ai-transpose-matrix4 mat)
   (let ((cmat (parse-aiMatrix4x4 (map cdr (ai-matrix4x4-contents mat)) #:reverse #t)))
     (aiTransposeMatrix4 cmat)
     (wrap-ai-matrix4x4 cmat)))