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game/server/hl2/npc_barney.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "ai_default.h"
+#include "ai_task.h"
+#include "ai_schedule.h"
+#include "ai_node.h"
+#include "ai_hull.h"
+#include "ai_hint.h"
+#include "ai_squad.h"
+#include "ai_senses.h"
+#include "ai_navigator.h"
+#include "ai_motor.h"
+#include "ai_behavior.h"
+#include "ai_baseactor.h"
+#include "ai_behavior_lead.h"
+#include "ai_behavior_follow.h"
+#include "ai_behavior_standoff.h"
+#include "ai_behavior_assault.h"
+#include "npc_playercompanion.h"
+#include "soundent.h"
+#include "game.h"
+#include "npcevent.h"
+#include "activitylist.h"
+#include "vstdlib/random.h"
+#include "engine/IEngineSound.h"
+#include "sceneentity.h"
+#include "ai_behavior_functank.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+#define BARNEY_MODEL "models/barney.mdl"
+
+ConVar	sk_barney_health( "sk_barney_health","0");
+
+//=========================================================
+// Barney activities
+//=========================================================
+
+class CNPC_Barney : public CNPC_PlayerCompanion
+{
+public:
+	DECLARE_CLASS( CNPC_Barney, CNPC_PlayerCompanion );
+	DECLARE_SERVERCLASS();
+	DECLARE_DATADESC();
+
+	virtual void Precache()
+	{
+		// Prevents a warning
+		SelectModel( );
+		BaseClass::Precache();
+
+		PrecacheScriptSound( "NPC_Barney.FootstepLeft" );
+		PrecacheScriptSound( "NPC_Barney.FootstepRight" );
+		PrecacheScriptSound( "NPC_Barney.Die" );
+
+		PrecacheInstancedScene( "scenes/Expressions/BarneyIdle.vcd" );
+		PrecacheInstancedScene( "scenes/Expressions/BarneyAlert.vcd" );
+		PrecacheInstancedScene( "scenes/Expressions/BarneyCombat.vcd" );
+	}
+
+	void	Spawn( void );
+	void	SelectModel();
+	Class_T Classify( void );
+	void	Weapon_Equip( CBaseCombatWeapon *pWeapon );
+
+	bool CreateBehaviors( void );
+
+	void HandleAnimEvent( animevent_t *pEvent );
+
+	bool ShouldLookForBetterWeapon() { return false; }
+
+	void OnChangeRunningBehavior( CAI_BehaviorBase *pOldBehavior,  CAI_BehaviorBase *pNewBehavior );
+
+	void DeathSound( const CTakeDamageInfo &info );
+	void GatherConditions();
+	void UseFunc( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
+
+	CAI_FuncTankBehavior		m_FuncTankBehavior;
+	COutputEvent				m_OnPlayerUse;
+
+	DEFINE_CUSTOM_AI;
+};
+
+
+LINK_ENTITY_TO_CLASS( npc_barney, CNPC_Barney );
+
+//---------------------------------------------------------
+// 
+//---------------------------------------------------------
+IMPLEMENT_SERVERCLASS_ST(CNPC_Barney, DT_NPC_Barney)
+END_SEND_TABLE()
+
+
+//---------------------------------------------------------
+// Save/Restore
+//---------------------------------------------------------
+BEGIN_DATADESC( CNPC_Barney )
+//						m_FuncTankBehavior
+	DEFINE_OUTPUT( m_OnPlayerUse, "OnPlayerUse" ),
+	DEFINE_USEFUNC( UseFunc ),
+END_DATADESC()
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CNPC_Barney::SelectModel()
+{
+	SetModelName( AllocPooledString( BARNEY_MODEL ) );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CNPC_Barney::Spawn( void )
+{
+	Precache();
+
+	m_iHealth = 80;
+
+	m_iszIdleExpression = MAKE_STRING("scenes/Expressions/BarneyIdle.vcd");
+	m_iszAlertExpression = MAKE_STRING("scenes/Expressions/BarneyAlert.vcd");
+	m_iszCombatExpression = MAKE_STRING("scenes/Expressions/BarneyCombat.vcd");
+
+	BaseClass::Spawn();
+
+	AddEFlags( EFL_NO_DISSOLVE | EFL_NO_MEGAPHYSCANNON_RAGDOLL | EFL_NO_PHYSCANNON_INTERACTION );
+
+	NPCInit();
+
+	SetUse( &CNPC_Barney::UseFunc );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Output : 
+//-----------------------------------------------------------------------------
+Class_T	CNPC_Barney::Classify( void )
+{
+	return	CLASS_PLAYER_ALLY_VITAL;
+}
+
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+void CNPC_Barney::Weapon_Equip( CBaseCombatWeapon *pWeapon )
+{
+	BaseClass::Weapon_Equip( pWeapon );
+
+	if( hl2_episodic.GetBool() && FClassnameIs( pWeapon, "weapon_ar2" ) )
+	{
+		// Allow Barney to defend himself at point-blank range in c17_05.
+		pWeapon->m_fMinRange1 = 0.0f;
+	}
+}
+
+//---------------------------------------------------------
+//---------------------------------------------------------
+void CNPC_Barney::HandleAnimEvent( animevent_t *pEvent )
+{
+	switch( pEvent->event )
+	{
+	case NPC_EVENT_LEFTFOOT:
+		{
+			EmitSound( "NPC_Barney.FootstepLeft", pEvent->eventtime );
+		}
+		break;
+	case NPC_EVENT_RIGHTFOOT:
+		{
+			EmitSound( "NPC_Barney.FootstepRight", pEvent->eventtime );
+		}
+		break;
+
+	default:
+		BaseClass::HandleAnimEvent( pEvent );
+		break;
+	}
+}
+
+//------------------------------------------------------------------------------
+//------------------------------------------------------------------------------
+void CNPC_Barney::DeathSound( const CTakeDamageInfo &info )
+{
+	// Sentences don't play on dead NPCs
+	SentenceStop();
+
+	EmitSound( "npc_barney.die" );
+
+}
+
+bool CNPC_Barney::CreateBehaviors( void )
+{
+	BaseClass::CreateBehaviors();
+	AddBehavior( &m_FuncTankBehavior );
+
+	return true;
+}
+
+void CNPC_Barney::OnChangeRunningBehavior( CAI_BehaviorBase *pOldBehavior,  CAI_BehaviorBase *pNewBehavior )
+{
+	if ( pNewBehavior == &m_FuncTankBehavior )
+	{
+		m_bReadinessCapable = false;
+	}
+	else if ( pOldBehavior == &m_FuncTankBehavior )
+	{
+		m_bReadinessCapable = IsReadinessCapable();
+	}
+
+	BaseClass::OnChangeRunningBehavior( pOldBehavior, pNewBehavior );
+}
+
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+void CNPC_Barney::GatherConditions()
+{
+	BaseClass::GatherConditions();
+
+	// Handle speech AI. Don't do AI speech if we're in scripts unless permitted by the EnableSpeakWhileScripting input.
+	if ( m_NPCState == NPC_STATE_IDLE || m_NPCState == NPC_STATE_ALERT || m_NPCState == NPC_STATE_COMBAT ||
+		( ( m_NPCState == NPC_STATE_SCRIPT ) && CanSpeakWhileScripting() ) )
+	{
+		DoCustomSpeechAI();
+	}
+}
+
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+void CNPC_Barney::UseFunc( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
+{
+	m_bDontUseSemaphore = true;
+	SpeakIfAllowed( TLK_USE );
+	m_bDontUseSemaphore = false;
+
+	m_OnPlayerUse.FireOutput( pActivator, pCaller );
+}
+
+//-----------------------------------------------------------------------------
+//
+// Schedules
+//
+//-----------------------------------------------------------------------------
+
+AI_BEGIN_CUSTOM_NPC( npc_barney, CNPC_Barney )
+
+AI_END_CUSTOM_NPC()