X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=gacela_sound.lisp;h=e1b2a1e8a157b33a81740e6d08f1428471049285;hb=6a3d1ffb69036e6d4f1c239fd7d52f9bfc48d50c;hp=ae9b72ba57c164dac08de9de1fc32200b91c4f72;hpb=fd0956a0072b3db8808880bd3d4dbf17d941265d;p=gacela.git

diff --git a/gacela_sound.lisp b/gacela_sound.lisp
index ae9b72b..e1b2a1e 100644
--- a/gacela_sound.lisp
+++ b/gacela_sound.lisp
@@ -20,3 +20,71 @@
 	   (in-package 'gacela :nicknames '(gg) :use '(lisp)))
 
 
+;;; Sound
+
+(defun load-sound (filename &key static)
+  (let ((key (make-resource-sound :filename filename)))
+    (cond ((get-resource key) key)
+	  (t (true-load-sound filename static)))))
+
+(defun true-load-sound (filename static)
+  (init-audio)
+  (let ((key (make-resource-sound :filename filename))
+	(sound (Mix_LoadWAV filename)))
+    (cond ((/= sound 0)
+	   (set-resource key
+			 `(:id-sound ,sound)
+			 (lambda () (true-load-sound filename static))
+			 (lambda () (Mix_FreeChunk sound))
+			 :static static)
+	   key))))
+
+(defun play-sound (sound &optional (loops 0))
+  (let ((id-sound (getf (get-resource sound) :id-sound)))
+    (/= (Mix_PlayChannel -1 id-sound loops) -1)))
+
+
+;;; Music
+
+(defun load-music (filename &key static)
+  (let ((key (make-resource-music :filename filename)))
+    (cond ((get-resource key) key)
+	  (t (true-load-music filename static)))))
+
+(defun true-load-music (filename static)
+  (init-audio)
+  (let ((key (make-resource-music :filename filename))
+	(music (Mix_LoadMUS filename)))
+    (cond ((/= music 0)
+	   (set-resource key
+			 `(:id-music ,music)
+			 (lambda () (true-load-music filename static))
+			 (lambda () (Mix_FreeMusic music))
+			 :static static)
+	   key))))
+
+(defun playing-music? ()
+  (/= (Mix_PlayingMusic) 0))
+
+(defun paused-music? ()
+  (/= (Mix_PausedMusic) 0))
+
+(defun play-music (music &optional (loops -1))
+  (cond ((not (playing-music?))
+	 (let ((id-music (getf (get-resource music) :id-music)))
+	   (/= (Mix_PlayMusic id-music loops) -1)))))
+
+(defun pause-music ()
+  (cond ((and (playing-music?) (not (paused-music?)))
+	 (Mix_PauseMusic)
+	 t)))
+
+(defun resume-music ()
+  (cond ((and (playing-music?) (paused-music?))
+	 (Mix_ResumeMusic)
+	 t)))
+
+(defun halt-music ()
+  (cond ((playing-music?)
+	 (Mix_HaltMusic)
+	 t)))