1 files changed, 123 insertions, 0 deletions
diff --git a/game/server/tf/bot/behavior/tf_bot_use_teleporter.cpp b/game/server/tf/bot/behavior/tf_bot_use_teleporter.cpp
new file mode 100644
index 0000000..fc249fb
--- /dev/null
+++ b/game/server/tf/bot/behavior/tf_bot_use_teleporter.cpp
@@ -0,0 +1,123 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+// tf_bot_use_teleporter.cpp
+// Ride a friendly teleporter
+// Michael Booth, May 2010
+
+#include "cbase.h"
+#include "nav_mesh.h"
+#include "tf_player.h"
+#include "bot/tf_bot.h"
+#include "bot/behavior/tf_bot_use_teleporter.h"
+
+extern ConVar tf_bot_path_lookahead_range;
+
+//---------------------------------------------------------------------------------------------
+CTFBotUseTeleporter::CTFBotUseTeleporter( CObjectTeleporter *teleporter, UseHowType how )
+{
+	m_teleporter = teleporter;
+	m_how = how;
+	m_isInTransit = false;
+}
+
+
+//---------------------------------------------------------------------------------------------
+ActionResult< CTFBot >	CTFBotUseTeleporter::OnStart( CTFBot *me, Action< CTFBot > *priorAction )
+{
+	m_path.SetMinLookAheadDistance( me->GetDesiredPathLookAheadRange() );
+
+	return Continue();
+}
+
+
+//---------------------------------------------------------------------------------------------
+// We could compute the time it would take to walk from the tele entrance to exit
+// and compare that to the time needed to wait for the tele to be ready to send us,
+// but players tend to use the tele only if it is ready NOW (or very soon).
+bool CTFBotUseTeleporter::IsTeleporterAvailable( void ) const
+{
+	if ( m_teleporter != NULL )
+	{
+		if ( !m_teleporter->IsReady() )
+			return false;
+
+		if ( m_teleporter->GetState() == TELEPORTER_STATE_READY )
+			return true;
+
+/* causes massive bot pileups
+		if ( m_teleporter->GetState() == TELEPORTER_STATE_SENDING ||
+			 m_teleporter->GetState() == TELEPORTER_STATE_RECHARGING )
+		{
+			if ( m_teleporter->GetUpgradeLevel() == 3 )
+			{
+				// we'll wait for level 3 teleporters - they're really fast
+				return true;
+			}
+		}
+*/
+	}
+
+	return false;
+}
+
+
+//---------------------------------------------------------------------------------------------
+ActionResult< CTFBot >	CTFBotUseTeleporter::Update( CTFBot *me, float interval )
+{
+	if ( m_teleporter == NULL )
+	{
+		return Done( "Teleporter is gone" );
+	}
+
+	CObjectTeleporter *teleporterExit = m_teleporter->GetMatchingTeleporter();
+	if ( !teleporterExit )
+	{
+		return Done( "Missing teleporter exit" );
+	}
+
+	if ( m_teleporter->IsSendingPlayer( me ) )
+	{
+		// note that we have been teleported, because it takes a few frames
+		// to actually relocate us, even after our teleporter leaves the "sending" state
+		m_isInTransit = true;
+	}
+
+	if ( m_isInTransit )
+	{
+		if ( me->IsRangeLessThan( teleporterExit, 25.0f ) )
+		{
+			return Done( "Successful teleport" );
+		}
+	}
+	else if ( !IsTeleporterAvailable() && m_how == USE_IF_READY )
+	{
+		return Done( "Teleporter is not available" );
+	}
+
+	const CKnownEntity *threat = me->GetVisionInterface()->GetPrimaryKnownThreat();
+	if ( threat && threat->IsVisibleRecently() )
+	{
+		// prepare to fight
+		me->EquipBestWeaponForThreat( threat );
+	}
+
+	if ( m_repathTimer.IsElapsed() )
+	{
+		m_repathTimer.Start( RandomFloat( 1.0f, 2.0f ) );
+
+		CTFBotPathCost cost( me, FASTEST_ROUTE );
+		if ( m_path.Compute( me, m_teleporter->GetAbsOrigin(), cost ) == false )
+		{
+			// no path to teleporter
+			return Done( "Can't reach teleporter!" );
+		}
+	}
+
+	// move toward the teleporter until we're standing on it
+	if ( me->GetLocomotionInterface()->GetGround() != m_teleporter )
+	{
+		m_path.Update( me );
+	}
+
+	return Continue();
+}
+