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game/client/episodic/c_npc_advisor.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Definition for client-side advisor.
+//
+//=====================================================================================//
+
+
+
+#include "cbase.h"
+// this file contains the definitions for the message ID constants (eg ADVISOR_MSG_START_BEAM etc)
+#include "npc_advisor_shared.h"
+
+#if NPC_ADVISOR_HAS_BEHAVIOR
+
+#include "particles_simple.h"
+#include "citadel_effects_shared.h"
+#include "particles_attractor.h"
+#include "clienteffectprecachesystem.h"
+#include "c_te_effect_dispatch.h"
+
+#include "c_ai_basenpc.h"
+#include "dlight.h"
+#include "iefx.h"
+
+
+//-----------------------------------------------------------------------------
+// Purpose: unpack a networked entity index into a basehandle.
+//-----------------------------------------------------------------------------
+inline C_BaseEntity *IndexToEntity( int eindex )
+{
+	return ClientEntityList().GetBaseEntityFromHandle(ClientEntityList().EntIndexToHandle(eindex));
+}
+
+
+
+#define ADVISOR_ELIGHT_CVARS 1  // enable/disable tuning advisor elight with console variables
+
+#if ADVISOR_ELIGHT_CVARS
+ConVar advisor_elight_e("advisor_elight_e","3");
+ConVar advisor_elight_rfeet("advisor_elight_rfeet","52");
+#endif
+
+
+/*! Client-side reflection of the advisor class.
+ */
+class C_NPC_Advisor : public C_AI_BaseNPC
+{
+	DECLARE_CLASS( C_NPC_Advisor, C_AI_BaseNPC );
+	DECLARE_CLIENTCLASS();
+
+public:
+	// Server to client message received
+	virtual void	ReceiveMessage( int classID, bf_read &msg );
+	virtual void	ClientThink( void );
+
+private:
+	/*
+	// broken into its own function so I can move it if necesasry
+	void Initialize();
+	*/
+
+	// start/stop beam particle effect from me to a pelting object
+	void StartBeamFX( C_BaseEntity *pOnEntity );
+	void StopBeamFX( C_BaseEntity *pOnEntity );
+
+	void StartElight();
+	void StopElight();
+
+	int m_ElightKey; // test using an elight to make the escape sequence more visible. 0 is invalid.
+
+};
+
+IMPLEMENT_CLIENTCLASS_DT( C_NPC_Advisor, DT_NPC_Advisor, CNPC_Advisor )
+
+END_RECV_TABLE()
+
+// Server to client message received
+void C_NPC_Advisor::ReceiveMessage( int classID, bf_read &msg )
+{
+	if ( classID != GetClientClass()->m_ClassID )
+	{
+		// message is for subclass
+		BaseClass::ReceiveMessage( classID, msg );
+		return;
+	}
+
+	int messageType = msg.ReadByte();
+	switch( messageType )
+	{
+	case ADVISOR_MSG_START_BEAM:
+		{
+			int eindex = msg.ReadLong();
+			StartBeamFX(IndexToEntity(eindex));
+		}
+		break;
+
+	case ADVISOR_MSG_STOP_BEAM:
+		{
+			int eindex = msg.ReadLong();
+			StopBeamFX(IndexToEntity(eindex));
+
+		}
+		break;
+
+	case ADVISOR_MSG_STOP_ALL_BEAMS:
+		{
+			ParticleProp()->StopEmission();
+		}
+		break;
+	case ADVISOR_MSG_START_ELIGHT:
+		{
+			StartElight();
+		}
+		break;
+	case ADVISOR_MSG_STOP_ELIGHT:
+		{
+			StopElight();
+		}
+		break;
+
+	default:
+		AssertMsg1( false, "Received unknown message %d", messageType);
+	}
+}
+
+/// only use of the clientthink on the advisor is to update the elight
+void C_NPC_Advisor::ClientThink( void )
+{
+	// if the elight has gone away, bail out
+	if (m_ElightKey == 0)
+	{
+		SetNextClientThink( CLIENT_THINK_NEVER );
+		return;
+	}
+
+	// get the elight
+	dlight_t * el = effects->GetElightByKey(m_ElightKey);
+	if (!el)
+	{
+		// the elight has been invalidated. bail out.
+		m_ElightKey = 0;
+
+		SetNextClientThink( CLIENT_THINK_NEVER );
+		return;
+	}
+	else
+	{
+		el->origin = WorldSpaceCenter();
+
+#if ADVISOR_ELIGHT_CVARS
+		el->color.exponent = advisor_elight_e.GetFloat();
+		el->radius = advisor_elight_rfeet.GetFloat() * 12.0f;
+#endif
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Create a telekinetic beam effect from my head to an object
+// TODO: use a point attachment.
+//-----------------------------------------------------------------------------
+void C_NPC_Advisor::StartBeamFX( C_BaseEntity *pOnEntity )
+{
+	Assert(pOnEntity);
+	if (!pOnEntity)
+		return;
+
+	CNewParticleEffect *pEffect = ParticleProp()->Create( "Advisor_Psychic_Beam", PATTACH_ABSORIGIN_FOLLOW );
+
+	Assert(pEffect); 
+	if (!pEffect) return;
+
+	ParticleProp()->AddControlPoint( pEffect, 1, pOnEntity, PATTACH_ABSORIGIN_FOLLOW );
+}
+
+
+//-----------------------------------------------------------------------------
+// terminate a telekinetic beam effect from my head to an object
+//-----------------------------------------------------------------------------
+void C_NPC_Advisor::StopBeamFX( C_BaseEntity *pOnEntity )
+{
+	Assert(pOnEntity);
+	if (!pOnEntity)
+		return;
+
+	ParticleProp()->StopParticlesInvolving( pOnEntity );
+}
+
+
+
+
+
+
+void C_NPC_Advisor::StartElight()
+{
+	AssertMsg(m_ElightKey == 0 , "Advisor trying to create new elight on top of old one!");
+	if ( m_ElightKey != 0 )
+	{
+		Warning("Advisor tried to start his elight when it was already one.\n");
+	}
+	else
+	{
+		m_ElightKey = LIGHT_INDEX_TE_DYNAMIC + this->entindex();
+		dlight_t * el = effects->CL_AllocElight( m_ElightKey );
+
+		if ( el )
+		{
+			// create an elight on top of me
+			el->origin	= this->WorldSpaceCenter();
+
+			el->color.r = 235;
+			el->color.g = 255;
+			el->color.b = 255;
+			el->color.exponent = 3;
+
+			el->radius	= 52*12;
+			el->decay	= 0.0f;
+			el->die = gpGlobals->curtime + 2000.0f; // 1000 just means " a long time "
+
+			SetNextClientThink( CLIENT_THINK_ALWAYS );
+		}
+		else
+		{	// null out the light value
+			m_ElightKey = 0;
+		}
+	}
+}
+
+void C_NPC_Advisor::StopElight()
+{
+	AssertMsg( m_ElightKey != 0, "Advisor tried to stop elight when none existed!");
+	dlight_t * el;
+	// note: the following conditional sets el if not short-circuited
+	if ( m_ElightKey == 0 || (el = effects->GetElightByKey(m_ElightKey)) == NULL ) 
+	{
+		Warning("Advisor tried to stop its elight when it had none.\n");
+	}
+	else
+	{
+		// kill the elight by setting the die value to now
+		el->die = gpGlobals->curtime;
+	}
+}
+
+
+#endif
+
+/******************************************************
+ * Tenser, said the Tensor.                           *
+ * Tenser, said the Tensor.                           *
+ * Tension, apprehension and dissension have begun.   *
+ ******************************************************/