X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=src%2Fassimp.scm;h=9954e8212bcb47cab6f070bc22e4f80654e091bb;hb=d53c6fdc3383148b2e73599fb955693aa6f597a5;hp=4ecbcf4e3ff3f1824972d00ded1bbf64e793afd0;hpb=37ee792898f388533d48d02b9f732769faacaa07;p=guile-assimp.git

diff --git a/src/assimp.scm b/src/assimp.scm
index 4ecbcf4..9954e82 100644
--- a/src/assimp.scm
+++ b/src/assimp.scm
@@ -16,34 +16,273 @@
 
 
 (define-module (assimp assimp)
-  #:use-module (rnrs bytevectors)
+  #: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 scene)
+  #:use-module (assimp low-level types)
+  #: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
 
-(define-wrapped-pointer-type scene
-  scene?
-  wrap-scene unwrap-scene
-  (lambda (s p)
-    (format p "#<scene ~x>"
-	    (pointer-address (unwrap-scene s)))))
+(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))))
 
-(define (load-scene filename flags)
-  (wrap-scene
-   (aiImportFile (string->pointer filename)
-		 flags)))
+(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-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)
+
+
+;;; 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)))
 
-(bytevector-uint-ref (pointer->bytevector numptob (sizeof long))
-                     0 (native-endianness)
-                     (sizeof long))
+(export ai-vector3d?
+	ai-vector3d-contents
+	ai-vector3d-x
+	ai-vector3d-y
+	ai-vector3d-z)
 
-(define (scene-contents scene)
-  (bytevector-uint-ref (pointer->bytevector (unwrap-scene scene) 16)
-		       0 (native-endiannes) 4))
 
-(export load-scene)
+;;; 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-public (ai-import-file filename flags)
+  (wrap-ai-scene
+   (aiImportFile (string->pointer filename)
+		 flags)))
+
+(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)))