Rewrite definitions with new conversion-types

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

diff --git a/src/assimp.scm b/src/assimp.scm
index 4ecbcf4e3ff3f1824972d00ded1bbf64e793afd0..9f6bfc2a3959bdee06358a4175b0374aa866305b 100644 (file)
--- a/src/assimp.scm
+++ b/src/assimp.scm
@@ -16,7 +16,10 @@
 
 
 (define-module (assimp assimp)
-  #:use-module (rnrs bytevectors)
+  #:use-module (assimp low-level)
+  #:use-module (assimp low-level material)
+  #:use-module (assimp low-level mesh)
+  #:use-module (assimp low-level scene)
   #:use-module (system foreign))
 
 (define libassimp (dynamic-link "libassimp"))
@@ -26,24 +29,104 @@
                      (dynamic-func "aiImportFile" libassimp)
                      (list '* unsigned-int)))
 
-(define-wrapped-pointer-type scene
-  scene?
-  wrap-scene unwrap-scene
-  (lambda (s p)
-    (format p "#<scene ~x>"
-           (pointer-address (unwrap-scene s)))))
+
+;;; Scenes
+
+(define-conversion-type parse-aiScene -> 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))
+  (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)))
+                flags)))
+
+(export load-scene
+       scene?
+       scene-contents
+       scene-flags
+       scene-root-node
+       scene-meshes
+       scene-materials
+       scene-animations
+       scene-textures
+       scene-lights
+       scene-cameras)
+
+
+;;; Nodes
+
+(define-conversion-type parse-aiNode -> node
+  (name (sized-string (field 'mName)))
+  (transformation (field 'mTransformation))
+  (parent (wrap (field 'mParent) wrap-node))
+  (children (wrap (array (field 'mNumChildren) (field 'mChildren)) wrap-node))
+  (meshes (array (field 'mNumMeshes) (field 'mMeshes))))
+
+(export node?
+       node-contents
+       node-name
+       node-transformation
+       node-parent
+       node-children
+       node-meshes)
+
+
+;;; Meshes
+
+(define-conversion-type parse-aiMesh -> mesh
+  (name (sized-string (field 'mName)))
+  (primitive-types (field 'mPrimitiveTypes))
+  (vertices (array (field 'mNumVertices) (field 'mVertices) #:element-proc get-element-address))
+  (faces (wrap (array (field 'mNumFaces) (field 'mFaces) #:element-size 8 #:element-proc get-element-address) wrap-face))
+  (normals (array (field 'mNumVertices) (field 'mNormals) #:element-size 12 #:element-proc get-element-address))
+  (tangents (array (field 'mNumVertices) (field 'mTangents) #:element-size 12 #:element-proc get-element-address))
+  (bitangents (array (field 'mNumVertices) (field 'mBitangents) #:element-size 12 #:element-proc get-element-address))
+  (colors (field 'mColors))
+  (texture-coords (field 'mTextureCoords))
+  (num-uv-components (field 'mNumUVComponents))
+  (bones (array (field 'mNumBones) (field 'mBones)))
+  (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)
+
+
+;;; Materials
+
+(define-conversion-type parse-aiMaterial -> material
+  (properties (array (field 'mNumProperties) (field 'mProperties)))
+  (num-allocated (field 'mNumAllocated)))
+
+(export material?
+       material-contents
+       material-properties
+       material-num-allocated)
+
 
-(bytevector-uint-ref (pointer->bytevector numptob (sizeof long))
-                     0 (native-endianness)
-                     (sizeof long))
+;;; Faces
 
-(define (scene-contents scene)
-  (bytevector-uint-ref (pointer->bytevector (unwrap-scene scene) 16)
-                      0 (native-endiannes) 4))
+(define-conversion-type parse-aiFace -> face
+  (indices (array (field 'mNumIndices) (field 'mIndices))))
 
-(export load-scene)
+(export face?
+       face-contents
+       face-indices)