1 files changed, 126 insertions, 0 deletions
diff --git a/game/server/NextBot/Behavior/BehaviorMoveTo.h b/game/server/NextBot/Behavior/BehaviorMoveTo.h
new file mode 100644
index 0000000..f3b608f
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+++ b/game/server/NextBot/Behavior/BehaviorMoveTo.h
@@ -0,0 +1,126 @@
+// BehaviorMoveTo.h
+// Move to a potentially far away position
+// Author: Michael Booth, June 2007
+//========= Copyright Valve Corporation, All rights reserved. ============//
+
+#ifndef _BEHAVIOR_MOVE_TO_H_
+#define _BEHAVIOR_MOVE_TO_H_
+
+
+//----------------------------------------------------------------------------------------------
+/**
+ * Move to a potentially far away position, using path planning.
+ */
+template < typename Actor, typename PathCost >
+class BehaviorMoveTo : public Action< Actor >
+{
+public:
+	BehaviorMoveTo( const Vector &goal, Action< Actor > *successAction = NULL, Action< Actor > *failAction = NULL );
+
+	virtual ActionResult< Actor > OnStart( Actor *me, Action< Actor > *priorAction );
+	virtual ActionResult< Actor > Update( Actor *me, float interval );
+
+	virtual EventDesiredResult< Actor > OnMoveToSuccess( Actor *me, const Path *path );
+	virtual EventDesiredResult< Actor > OnMoveToFailure( Actor *me, const Path *path, MoveToFailureType reason );
+
+	virtual bool ComputePath( Actor *me, const Vector &goal, PathFollower *path );
+
+	virtual const char *GetName( void ) const	{ return "BehaviorMoveTo"; }
+
+private:
+	Vector m_goal;
+	PathFollower m_path;
+	Action< Actor > *m_successAction;
+	Action< Actor > *m_failAction;
+};
+
+
+//----------------------------------------------------------------------------------------------
+template < typename Actor, typename PathCost >
+inline BehaviorMoveTo< Actor, PathCost >::BehaviorMoveTo( const Vector &goal, Action< Actor > *successAction, Action< Actor > *failAction )
+{
+	m_goal = goal;
+	m_path.Invalidate();
+	m_successAction = successAction;
+	m_failAction = failAction;
+}
+
+
+//----------------------------------------------------------------------------------------------
+template < typename Actor, typename PathCost >
+inline bool BehaviorMoveTo< Actor, PathCost >::ComputePath( Actor *me, const Vector &goal, PathFollower *path )
+{
+	PathCost cost( me );
+	return path->Compute( me, goal, cost );
+}
+
+
+//----------------------------------------------------------------------------------------------
+template < typename Actor, typename PathCost >
+inline ActionResult< Actor > BehaviorMoveTo< Actor, PathCost >::OnStart( Actor *me, Action< Actor > *priorAction )
+{
+	if ( !this->ComputePath( me, m_goal, &m_path ) )
+	{
+		if ( m_failAction )
+		{
+			return this->ChangeTo( m_failAction, "No path to goal" );
+		}
+
+		return this->Done( "No path to goal" );
+	}
+
+	return this->Continue();
+}
+
+
+//----------------------------------------------------------------------------------------------
+template < typename Actor, typename PathCost >
+inline ActionResult< Actor > BehaviorMoveTo< Actor, PathCost >::Update( Actor *me, float interval )
+{
+	// if path became invalid during last tick for any reason, we're done
+	if ( !m_path.IsValid() )
+	{
+		if ( m_failAction )
+		{
+			return this->ChangeTo( m_failAction, "Path is invalid" );
+		}
+
+		return this->Done( "Path is invalid" );
+	}
+
+	// move along path - success/fail event handlers will exit behavior when goal is reached
+	m_path.Update( me );
+
+	return this->Continue();
+}
+
+
+//----------------------------------------------------------------------------------------------
+template < typename Actor, typename PathCost >
+inline EventDesiredResult< Actor > BehaviorMoveTo< Actor, PathCost >::OnMoveToSuccess( Actor *me, const Path *path )
+{
+	if ( m_successAction )
+	{
+		return this->TryChangeTo( m_successAction, RESULT_CRITICAL, "OnMoveToSuccess" );
+	}
+
+	return this->TryDone( RESULT_CRITICAL, "OnMoveToSuccess" );
+}
+
+
+//----------------------------------------------------------------------------------------------
+template < typename Actor, typename PathCost >
+inline EventDesiredResult< Actor > BehaviorMoveTo< Actor, PathCost >::OnMoveToFailure( Actor *me, const Path *path, MoveToFailureType reason )
+{
+	if ( m_failAction )
+	{
+		return this->TryChangeTo( m_failAction, RESULT_CRITICAL, "OnMoveToFailure" );
+	}
+
+	return this->TryDone( RESULT_CRITICAL, "OnMoveToFailure" );
+}
+
+
+
+#endif // _BEHAVIOR_MOVE_TO_H_
+