(defun make-resource-font (&key filename encoding)
`(:type font :filename ,filename :enconding ,encoding))
-(let ((resources-table (make-hash-table :test 'equal)))
+(defmacro get-rtime (key)
+ `(resource-time (gethash ,key resources-table)))
+
+(defmacro get-rplist (key)
+ `(resource-plist (gethash ,key resources-table)))
+
+(defmacro get-rconstructor (key)
+ `(resource-constructor (gethash ,key resources-table)))
+
+(defmacro get-rdestructor (key)
+ `(resource-destructor (gethash ,key resources-table)))
+
+(let ((resources-table (make-hash-table :test 'equal))
+ (expiration-time 50000))
+
+ (defun set-expiration-time (new-time)
+ (setq expiration-time new-time))
(defun set-resource (key plist constructor destructor &key static)
+ (expire-resources)
(setf (gethash key resources-table)
(make-resource :plist plist
:constructor constructor
:time (if static t (SDL_GetTicks)))))
(defun get-resource (key)
- (let ((resource (gethash key resources-table)))
- (cond ((null resource) nil)
- (t (cond ((/= (resource-time resource) -1)
- (setf (resource-time resource) (SDL_GetTicks))
- (setf (gethash key resources-table) resource)))
- (resource-plist resource)))))
+ (cond ((null (gethash key resources-table)) nil)
+ (t (let ((time (get-rtime key)))
+ (cond ((null time) (funcall (get-rconstructor key)))
+ ((numberp time) (setf (get-rtime key) (SDL_GetTicks))))
+ (get-rplist key)))))
(defun free-resource (key)
- (funcall (resource-destructor (gethash key resources-table)))
- (setf (resource-time (gethash key resources-table)) nil))
+ (funcall (get-rdestructor key))
+ (setf (get-rtime key) nil))
+
+ (defun expire-resource (key &optional (now (SDL_GetTicks)))
+ (let ((time (get-rtime key)))
+ (cond ((and (numberp time) (> (- now time) expiration-time)) (free-resource key)))))
+
+ (defun expire-resources ()
+ (maphash (lambda (key res) (expire-resource key)) resources-table))
(defun free-all-resources ()
(maphash (lambda (key res) (free-resource key)) resources-table)))
(setq running nil))))
(defun quit-game ()
-; (free-all-resources)
+ (free-all-resources)
; (quit-audio)
-; (quit-ttf)
(quit-video-mode)
; (quit-all-procs)
; (clear-events)