BadBehavior added

Engine/source/BadBehavior/leaf/WaitForSignal.cpp

@@ -0,0 +1,145 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2014 Guy Allard
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+#include "WaitForSignal.h"
+#include "BadBehavior/core/Runner.h"
+
+#include "console/consoleTypes.h"
+
+using namespace BadBehavior;
+
+//------------------------------------------------------------------------------
+// WaitForSignal leaf node
+//------------------------------------------------------------------------------
+IMPLEMENT_CONOBJECT(WaitForSignal);
+
+WaitForSignal::WaitForSignal()
+   : mTimeoutMs(0)
+{
+}
+
+void WaitForSignal::initPersistFields()
+{
+   addGroup( "Behavior" );
+   
+   addField( "signalName", TypeRealString, Offset(mSignalName, WaitForSignal),
+      "The time in ms that the node should wait before completion." );
+
+   addProtectedField( "timeoutMs", TypeS32, Offset(mTimeoutMs, WaitForSignal), &_setTimeout, &defaultProtectedGetFn,
+      "The maximum time in ms that the node should wait for the signal.\n"
+      "A value of 0 indicates no limit");
+
+   endGroup( "Behavior" );
+
+   Parent::initPersistFields();
+}
+
+Task *WaitForSignal::createTask(SimObject &owner, BehaviorTreeRunner &runner)
+{
+   return new WaitForSignalTask(*this, owner, runner);
+}
+
+bool WaitForSignal::_setTimeout(void *object, const char *index, const char *data)
+{
+   WaitForSignal *node = static_cast<WaitForSignal *>( object );
+   node->mTimeoutMs = getMax(0, dAtoi( data ));
+   return false;
+}
+
+//------------------------------------------------------------------------------
+// Wait task
+//------------------------------------------------------------------------------
+WaitForSignalTask::WaitForSignalTask(Node &node, SimObject &owner, BehaviorTreeRunner &runner)
+   : Parent(node, owner, runner),
+   mEventId(0)
+{
+}
+
+WaitForSignalTask::~WaitForSignalTask()
+{
+   unsubscribe();
+   cancelEvent();
+}
+
+void WaitForSignalTask::subscribe()
+{
+   mRunner->subscribeToSignal(static_cast<WaitForSignal *>(mNodeRep)->getSignalName().c_str(), this);
+}
+
+void WaitForSignalTask::unsubscribe()
+{
+   mRunner->unsubscribeFromSignal(static_cast<WaitForSignal *>(mNodeRep)->getSignalName().c_str(), this);
+}
+
+void WaitForSignalTask::onSignal()
+{
+   onResume();
+}
+
+void WaitForSignalTask::onTimeout()
+{
+   mStatus = FAILURE;
+}
+
+void WaitForSignalTask::cancelEvent()
+{
+   if(mEventId != 0 && Sim::isEventPending(mEventId))
+   {
+      Sim::cancelEvent(mEventId);
+      mEventId = 0;
+   }
+}
+
+void WaitForSignalTask::onInitialize()
+{
+   Parent::onInitialize();
+   subscribe();
+   cancelEvent();
+}
+
+void WaitForSignalTask::onTerminate()
+{
+   Parent::onTerminate();
+   unsubscribe();
+   cancelEvent();
+}
+
+Task* WaitForSignalTask::update() 
+{ 
+   if(mStatus == RESUME)
+   {
+      mStatus = SUCCESS;
+   }
+   else if (mStatus == INVALID)
+   {
+      mStatus = SUSPENDED;
+      
+      S32 timeout = static_cast<WaitForSignal *>(mNodeRep)->getTimeoutMs();
+      if(timeout > 0)
+         mEventId = Sim::postEvent(mRunner, new WaitForSignalTimeoutEvent(*this), Sim::getCurrentTime() + timeout);
+   }
+
+   if(mStatus == SUCCESS || mStatus == FAILURE)
+      mIsComplete = true;
+
+   return NULL; 
+}