;; OpenRM library using CFFI for foreign function interfacing...
;; (C)2006 Luke Crook <luke@balooga.com>
;; see COPYING for license
(in-package #:lispbuilder-openrm-cffi)
;; (defun create-list-if-not (var)
;; (if (listp var)
;; var
;; (list var)))
;; (defun vertex-copy (vertices vertex-array)
;; (let ((index 0))
;; (mapcar #'(lambda (vertex)
;; (copy-to-foreign-vertex vertex (cffi:mem-aref vertex-array 'rm-vertex-3d index))
;; (incf index))
;; vertices))
;; vertex-array)
;; (defun color-copy (colors col-array)
;; (let ((index 0))
;; (mapcar #'(lambda (color)
;; (copy-to-foreign-color color (cffi:mem-aref col-array 'RM-color-4D index))
;; (incf index))
;; colors))
;; col-array)
(defctype s-float :float)
;; (defcstruct matrix
;; (m s-float :count 16))
(defmethod translate-to-foreign (value (type (eql 's-float)))
(coerce value 'single-float))
(defmethod translate-to-foreign (value (type (eql 'float-pointer)))
(let ((float-ptr (cffi:foreign-alloc :float)))
(setf (cffi:mem-aref float-ptr :float) value)
(values float-ptr t)))
(defmethod translate-to-foreign (value (type (eql 'float-array)))
(values (cffi:foreign-alloc :float :count (length value) :initial-contents value) t))
(defmethod free-translated-object (ptr (name (eql 'float-pointer)) free-p)
(if free-p
(cffi:foreign-free ptr)))
(defmethod free-translated-object (ptr (name (eql 'float-array)) free-p)
(if free-p
(cffi:foreign-free ptr)))
