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game/shared/SharedFunctorUtils.cpp

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+// SharedFunctorUtils.cpp
+// Useful functors
+//========= Copyright Valve Corporation, All rights reserved. ============//
+
+#include "cbase.h"
+#include "SharedFunctorUtils.h"
+#include "collisionutils.h"
+#ifdef CLIENT_DLL
+	#include "ClientTerrorPlayer.h"
+#else
+	#include "TerrorPlayer.h"
+#endif
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+
+//--------------------------------------------------------------------------------------------------------
+bool AvoidActors::operator()( CBaseCombatCharacter *obj )
+{
+	if ( !obj || ( obj == m_owner ) || ( obj->GetTeamNumber() != m_owner->GetTeamNumber() ) )
+		return true;
+
+#ifdef CLIENT_DLL
+	if ( obj->IsDormant() )
+		return true;
+#endif
+
+	if ( obj->IsSolidFlagSet( FSOLID_NOT_SOLID ) )
+		return true;
+
+	CTerrorPlayer *player = ToTerrorPlayer( obj );
+	if ( !player )
+		return true;
+
+	if ( player->IsIncapacitatedRevivable() )
+		return true;
+
+	if ( player->IsGhost() )
+		return true;
+
+	Vector objOrigin = obj->GetAbsOrigin();
+	Vector vObjMins = objOrigin + obj->WorldAlignMins();
+	Vector vObjMaxs = objOrigin + obj->WorldAlignMaxs();
+	Vector vOwnerMins = *m_dest + m_owner->WorldAlignMins();
+	Vector vOwnerMaxs = *m_dest + m_owner->WorldAlignMaxs();
+	if ( !IsBoxIntersectingBox( vOwnerMins, vOwnerMaxs, vObjMins, vObjMaxs ) )
+		return true;
+
+	float objWidth = vObjMaxs.x - vObjMins.x;
+	float ownerWidth = vOwnerMaxs.x - vOwnerMins.x;
+	float idealDistance = (objWidth + ownerWidth) * 0.5f * m_scale;
+
+	Vector vDelta = objOrigin - *m_dest;
+	vDelta.z = 0;
+	float fDist = vDelta.NormalizeInPlace();
+	if ( fDist > idealDistance )
+		return true;
+
+	Vector rayOrigin = m_origin;
+	Vector rayDelta = *m_dest - m_origin;
+	Vector sphereCenter = objOrigin;
+	float sphereRadius = idealDistance;
+	rayOrigin.z = rayDelta.z = sphereCenter.z = 0.0f;
+	float t1, t2;
+	if ( IntersectRayWithSphere( rayOrigin, rayDelta, sphereCenter, sphereRadius, &t1, &t2 ) )
+	{
+		Vector sphereToDest = *m_dest - sphereCenter;
+		sphereToDest.z = 0.0f;
+		if ( !sphereToDest.IsZero() )
+		{
+			float radius = sphereToDest.NormalizeInPlace();
+			sphereToDest *= (idealDistance - radius);
+			*m_dest += sphereToDest;
+			m_avoidedActors.AddToTail( obj );
+		}
+	}
+
+	return true;
+}
+
+
+//--------------------------------------------------------------------------------------------------------