Add io_mac files from wiic, update wiiuse definitions

-Used io_mac.h/.m from wiic and added them to CMakeLists
-Define WIIUSE_MAC on wiiuse.h and wiiuse_internal.h
-Implemented wiiuse_poll when WIIUSE_MAC is defined
-Added Mac-specific includes to wiiuse.h and wiiuse_internal.h
-Added Mac-specific members to wiimote_t on wiiuse.h
-Added Mac-specific WM_DEV_CLASS definitions to wiiuse_internal.h
-Modified wiiuse_poll for use with Mac
-Added init and cleanup functions to io_mac.m

src/events.c

@@ -168,7 +168,7 @@ int wiiuse_poll(struct wiimote_t** wm, int wiimotes) {
 				idle_cycle(wm[i]);
 			}
 		}
-	#else
+	#elif defined(WIIUSE_WIN32)
 		/*
 		 *	Windows
 		 */
@@ -190,6 +190,29 @@ int wiiuse_poll(struct wiimote_t** wm, int wiimotes) {
 				idle_cycle(wm[i]);
 			}
 		}
+	#elif defined(WIIUSE_MAC)
+		/*
+		 *	Mac
+		 */
+		int i;
+		
+		if (!wm) return 0;
+		
+		for (i = 0; i < wiimotes; ++i) {
+			wm[i]->event = WIIUSE_NONE;
+			
+			if (wiiuse_io_read(wm[i])) {
+				/* propagate the event, messages should be read as in linux, starting from the second element */
+				propagate_event(wm[i], wm[i]->event_buf[1], wm[i]->event_buf+2);
+				evnt += (wm[i]->event != WIIUSE_NONE);
+				
+				/* clear out the event buffer */
+				/*memset(wm[i]->event_buf, 0, sizeof(wm[i]->event_buf));*/
+			} else {
+				idle_cycle(wm[i]);
+			}
+		}
+	
 	#endif
 
 	return evnt;