723 |
* @param pEventHandler - script's event handler to be executed |
* @param pEventHandler - script's event handler to be executed |
724 |
*/ |
*/ |
725 |
void ProcessEventByScript(AbstractEngineChannel* pChannel, RTList<Event>::Iterator& itEvent, VMEventHandler* pEventHandler) { |
void ProcessEventByScript(AbstractEngineChannel* pChannel, RTList<Event>::Iterator& itEvent, VMEventHandler* pEventHandler) { |
726 |
RTList<ScriptEvent>::Iterator itScriptEvent = |
const int key = itEvent->Param.Note.Key; // even if this is not a note on/off event, accessing it does not mean any harm |
727 |
pChannel->pScript->pEvents->allocAppend(); |
// check if polyphonic data is passed from "note" to "release" |
728 |
|
// script event handlers |
729 |
|
if (pEventHandler == pChannel->pScript->handlerRelease && |
730 |
|
pChannel->pScript->handlerNote && |
731 |
|
pChannel->pScript->handlerNote->isPolyphonic() && |
732 |
|
pChannel->pScript->handlerRelease->isPolyphonic() && |
733 |
|
!pChannel->pScript->pKeyEvents[key]->isEmpty()) |
734 |
|
{ |
735 |
|
// polyphonic variable data is used/passed from "note" to |
736 |
|
// "release" script callback, so we have to recycle the |
737 |
|
// original "note on" script event(s) |
738 |
|
RTList<ScriptEvent>::Iterator it = pChannel->pScript->pKeyEvents[key]->first(); |
739 |
|
RTList<ScriptEvent>::Iterator end = pChannel->pScript->pKeyEvents[key]->end(); |
740 |
|
for (; it != end; ++it) { |
741 |
|
ProcessScriptEvent( |
742 |
|
pChannel, itEvent, pEventHandler, it |
743 |
|
); |
744 |
|
} |
745 |
|
} else { |
746 |
|
// no polyphonic data is used/passed from "note" to |
747 |
|
// "release" script callback, so just use a new fresh |
748 |
|
// script event object |
749 |
|
RTList<ScriptEvent>::Iterator itScriptEvent = |
750 |
|
pChannel->pScript->pEvents->allocAppend(); |
751 |
|
ProcessScriptEvent( |
752 |
|
pChannel, itEvent, pEventHandler, itScriptEvent |
753 |
|
); |
754 |
|
} |
755 |
|
} |
756 |
|
|
757 |
if (!itScriptEvent) return; // no free script event left for execution |
void ProcessScriptEvent(AbstractEngineChannel* pChannel, RTList<Event>::Iterator& itEvent, VMEventHandler* pEventHandler, RTList<ScriptEvent>::Iterator& itScriptEvent) { |
758 |
|
if (!itScriptEvent) return; // not a valid script event (i.e. because no free script event was left in the script event pool) |
759 |
|
|
760 |
// fill the list of script handlers to be executed by this event |
// fill the list of script handlers to be executed by this event |
761 |
int i = 0; |
int i = 0; |
774 |
); |
); |
775 |
|
|
776 |
// in case the script was suspended, keep it on the allocated |
// in case the script was suspended, keep it on the allocated |
777 |
// ScriptEvent list to be continued on the next audio cycle, |
// ScriptEvent list to be continued on the next audio cycle |
778 |
// otherwise if execution has been finished, free it for a new |
if (!(res & VM_EXEC_SUSPENDED)) { // script execution has finished without 'suspended' status ... |
779 |
// future script event to be triggered from start |
// if "polyphonic" variable data is passed from script's |
780 |
if (!(res & VM_EXEC_SUSPENDED)) |
// "note" event handler to its "release" event handler, then |
781 |
pChannel->pScript->pEvents->free(itScriptEvent); |
// the script event must be kept and recycled for the later |
782 |
|
// occuring "release" script event ... |
783 |
|
if (pEventHandler == pChannel->pScript->handlerNote && |
784 |
|
pChannel->pScript->handlerRelease && |
785 |
|
pChannel->pScript->handlerNote->isPolyphonic() && |
786 |
|
pChannel->pScript->handlerRelease->isPolyphonic()) |
787 |
|
{ |
788 |
|
const int key = itEvent->Param.Note.Key; |
789 |
|
itScriptEvent.moveToEndOf(pChannel->pScript->pKeyEvents[key & 127]); |
790 |
|
} else { |
791 |
|
// ... otherwise if no polyphonic data is passed and |
792 |
|
// script's execution has finished without suspension |
793 |
|
// status, then free the script event for a new future |
794 |
|
// script event to be triggered from start |
795 |
|
pChannel->pScript->pEvents->free(itScriptEvent); |
796 |
|
} |
797 |
|
} |
798 |
} |
} |
799 |
|
|
800 |
/** @brief Resume execution of instrument script. |
/** @brief Resume execution of instrument script. |
815 |
* @param itScriptEvent - script execution that shall be resumed |
* @param itScriptEvent - script execution that shall be resumed |
816 |
*/ |
*/ |
817 |
void ResumeScriptEvent(AbstractEngineChannel* pChannel, RTList<ScriptEvent>::Iterator& itScriptEvent) { |
void ResumeScriptEvent(AbstractEngineChannel* pChannel, RTList<ScriptEvent>::Iterator& itScriptEvent) { |
818 |
|
VMEventHandler* handler = itScriptEvent->handlers[itScriptEvent->currentHandler]; |
819 |
|
|
820 |
// run script |
// run script |
821 |
VMExecStatus_t res = pScriptVM->exec( |
VMExecStatus_t res = pScriptVM->exec( |
822 |
pChannel->pScript->parserContext, &*itScriptEvent |
pChannel->pScript->parserContext, &*itScriptEvent |
823 |
); |
); |
824 |
// in case the script was again suspended, keep it on the allocated |
|
825 |
// ScriptEvent list to be continued on the next audio cycle, |
// in case the script was suspended, keep it on the allocated |
826 |
// otherwise if execution has been finished, free it for a new |
// ScriptEvent list to be continued on the next audio cycle |
827 |
// future script event to be triggered from start |
if (!(res & VM_EXEC_SUSPENDED)) { // script execution has finished without 'suspended' status ... |
828 |
if (!(res & VM_EXEC_SUSPENDED)) |
// if "polyphonic" variable data is passed from script's |
829 |
pChannel->pScript->pEvents->free(itScriptEvent); |
// "note" event handler to its "release" event handler, then |
830 |
|
// the script event must be kept and recycled for the later |
831 |
|
// occuring "release" script event ... |
832 |
|
if (handler && handler == pChannel->pScript->handlerNote && |
833 |
|
pChannel->pScript->handlerRelease && |
834 |
|
pChannel->pScript->handlerNote->isPolyphonic() && |
835 |
|
pChannel->pScript->handlerRelease->isPolyphonic()) |
836 |
|
{ |
837 |
|
const int key = itScriptEvent->cause.Param.Note.Key; |
838 |
|
itScriptEvent.moveToEndOf(pChannel->pScript->pKeyEvents[key & 127]); |
839 |
|
} else { |
840 |
|
// ... otherwise if no polyphonic data is passed and |
841 |
|
// script's execution has finished without suspension |
842 |
|
// status, then free the script event for a new future |
843 |
|
// script event to be triggered from start |
844 |
|
pChannel->pScript->pEvents->free(itScriptEvent); |
845 |
|
} |
846 |
|
} |
847 |
} |
} |
848 |
|
|
849 |
/** |
/** |