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game/client/tf/c_tf_passtime_ball.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "cbase.h"
+#include "c_tf_passtime_ball.h"
+#include "passtime_convars.h"
+#include "tf_shareddefs.h"
+#include "c_tf_player.h"
+#include "c_playerresource.h"
+#include "c_tf_player.h"
+#include "tf_gamerules.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//-----------------------------------------------------------------------------
+IMPLEMENT_CLIENTCLASS_DT( C_PasstimeBall, DT_PasstimeBall, CPasstimeBall )
+	RecvPropInt(RECVINFO(m_iCollisionCount)),
+	RecvPropEHandle(RECVINFO(m_hHomingTarget)),
+	RecvPropEHandle(RECVINFO(m_hCarrier)),
+	RecvPropEHandle(RECVINFO(m_hPrevCarrier)),
+END_RECV_TABLE()
+
+//-----------------------------------------------------------------------------
+LINK_ENTITY_TO_CLASS( passtime_ball, C_PasstimeBall );
+PRECACHE_REGISTER( passtime_ball );
+
+C_TFPlayer *C_PasstimeBall::GetCarrier() { return m_hCarrier.Get(); }
+C_TFPlayer *C_PasstimeBall::GetPrevCarrier() { return m_hPrevCarrier.Get(); }
+
+//-----------------------------------------------------------------------------
+C_PasstimeBall::C_PasstimeBall()
+{
+	UseClientSideAnimation();
+	m_fDrawTime = 0.0f;
+}
+
+//-----------------------------------------------------------------------------
+C_PasstimeBall::~C_PasstimeBall()
+{
+}
+
+//-----------------------------------------------------------------------------
+unsigned int C_PasstimeBall::PhysicsSolidMaskForEntity() const 
+{ 
+	return MASK_PLAYERSOLID; // must match server
+}
+ 
+
+//-----------------------------------------------------------------------------
+bool C_PasstimeBall::ShouldCollide( int collisionGroup, int contentsMask ) const
+{
+	// note: returning false for COLLISION_GROUP_PLAYER_MOVEMENT means the ball won't
+	// stop player movement. the only real visible effect when this function doesn't
+	// return false for COLLISION_GROUP_PLAYER_MOVEMENT is that the ball is unable 
+	// to impart physics forces on the ball when the ball is blocked, since the player
+	// will set velocity to zero due to being "stuck" on the ball, even though the
+	// ball won't actually prevent the player from moving through it.
+	return (collisionGroup != COLLISION_GROUP_PLAYER_MOVEMENT);
+	//	&& (contentsMask & MASK_SHOT_HULL);
+	//return BaseClass::ShouldCollide( collisionGroup, contentsMask );
+}
+
+//-----------------------------------------------------------------------------
+void C_PasstimeBall::OnDataChanged( DataUpdateType_t updateType )
+{
+	BaseClass::OnDataChanged( updateType );
+	
+	if ( updateType == DATA_UPDATE_CREATED )
+	{
+		return;
+	}
+
+	if ( TFGameRules()->IsPasstimeMode() )
+	{
+		bool bIsVisible = !(GetEffects() & EF_NODRAW);
+		if ( bIsVisible && !m_bWasVisible )
+		{
+			float nextValidTime = gpGlobals->curtime + 0.1f;
+			m_fDrawTime = nextValidTime;
+		}
+		m_bWasVisible = bIsVisible;
+	}
+}
+
+//-----------------------------------------------------------------------------
+int C_PasstimeBall::DrawModel( int flags )
+{
+	if( gpGlobals->curtime < m_fDrawTime )
+	{
+		return 0;
+	}
+
+	return BaseClass::DrawModel( flags );
+}