play a bell sound

main.c

@@ -16,6 +16,10 @@
 // allow us to load and scale fonts
 #include <proto/diskfont.h>
 
+// handle images and sound
+#include <proto/datatypes.h>
+#include <datatypes/datatypesclass.h>
+
 // timer stuff. using proto/timer.h did not work well, likely
 // because of how you have to open the device.
 #include <clib/timer_protos.h>
@@ -110,6 +114,10 @@ struct Device *TimerBase;
 struct timerequest *TimerIO;
 struct timeval currentSystemTime;
 
+// sound stuff
+// get that bell
+#define BELL_FILENAME "bell.8svx"
+
 // our business logic
 // for how long should I cook this pizza?
 unsigned int uiHours = 0;
@@ -562,6 +570,29 @@ void handleIntuitionMessage(struct IntuiMessage *iMessage) {
 
 void endTimer(void) {
   // TODO: play an included IFF 8SVX sound
+  APTR bellSound = NULL;
+  struct dtTrigger myTrigger;
+  struct MsgPort *TimerPort;
+  ULONG soundPlayResult, timerSignal;
+
+  if (bellSound = NewDTObject(BELL_FILENAME, DTA_GroupID, GID_SOUND, TAG_END)) {
+    myTrigger.MethodID = DTM_TRIGGER;
+    myTrigger.dtt_GInfo = NULL;
+    myTrigger.dtt_Function = STM_PLAY;
+    myTrigger.dtt_Data = NULL;
+
+    // https://github.com/khval/AmosKittens/blob/79f00ba3b81805b54fd4e437f667ea2eecab740d/OS/AmigaOS/animation.cpp#L128
+    soundPlayResult = DoDTMethodA(bellSound, NULL, NULL, (Msg) &myTrigger);
+
+    TimerPort = TimerIO->tr_node.io_Message.mn_ReplyPort;
+
+    // eventually wait for the sound to stop playing
+    TimerIO->tr_node.io_Command = TR_ADDREQUEST;
+    TimerIO->tr_time.tv_secs = 3;
+    TimerIO->tr_time.tv_micro = 0;
+    SendIO((struct IORequest *)TimerIO);
+  }
+
   DisplayBeep(screen);
 
   uiHours = uiMinutes = uiSeconds = 0;
@@ -572,6 +603,13 @@ void endTimer(void) {
 
   clearUI();
   renderUI();
+
+  if (bellSound) {
+    timerSignal = 1L << TimerPort->mp_SigBit;
+    Wait(timerSignal);
+
+    DisposeDTObject(bellSound);
+  }
 }
 
 void handleTimerMessage(void) {