BadBehavior added

Engine/source/BadBehavior/leaf/ScriptEval.cpp

@@ -0,0 +1,94 @@
+//-----------------------------------------------------------------------------
+// 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 "ScriptEval.h"
+
+#include "console/engineAPI.h"
+#include "platform/profiler.h"
+
+using namespace BadBehavior;
+
+//------------------------------------------------------------------------------
+// ScriptEval node - warning, slow!
+//------------------------------------------------------------------------------
+IMPLEMENT_CONOBJECT(ScriptEval);
+
+ScriptEval::ScriptEval()
+   : mDefaultReturnStatus(SUCCESS) 
+{
+}
+
+void ScriptEval::initPersistFields()
+{
+   addGroup( "Behavior" );
+
+   addField( "behaviorScript", TypeCommand, Offset(mBehaviorScript, ScriptEval),
+      "@brief The command to execute when the leaf is ticked.  Max 255 characters." );
+
+   addField( "defaultReturnStatus", TYPEID< BadBehavior::Status >(), Offset(mDefaultReturnStatus, ScriptEval),
+      "@brief The default value for this node to return.");
+
+   endGroup( "Behavior" );
+
+   Parent::initPersistFields();
+}
+
+Task *ScriptEval::createTask(SimObject &owner, BehaviorTreeRunner &runner)
+{
+   return new ScriptEvalTask(*this, owner, runner);
+}
+
+Status ScriptEval::evaluateScript( SimObject *owner )
+{
+   PROFILE_SCOPE(ScriptEval_evaluateScript);
+
+   if(mBehaviorScript.isEmpty())
+      return mDefaultReturnStatus;
+
+   // get the result
+   const char *result = Con::evaluatef("%%obj=%s; %s return %s;", 
+                                       owner->getIdString(),
+                                       mBehaviorScript.c_str(),
+                                       EngineMarshallData< BehaviorReturnType >(mDefaultReturnStatus));
+   
+   if(result[0] == '1' || result[0] == '0')
+      // map true or false to SUCCEED or FAILURE
+      return static_cast<Status>(dAtoi(result));
+
+   // convert the returned value to our internal enum type
+   return EngineUnmarshallData< BehaviorReturnType >()( result );
+}
+
+//------------------------------------------------------------------------------
+// RunScript task
+//------------------------------------------------------------------------------
+ScriptEvalTask::ScriptEvalTask(Node &node, SimObject &owner, BehaviorTreeRunner &runner)
+   : Parent(node, owner, runner)
+{
+}
+
+Task* ScriptEvalTask::update()
+{
+   mStatus = static_cast<ScriptEval*>(mNodeRep)->evaluateScript( mOwner );
+
+   return NULL; // leaves don't have children
+}