1 files changed, 215 insertions, 0 deletions
diff --git a/game/server/hl1/hl1_ai_basenpc.cpp b/game/server/hl1/hl1_ai_basenpc.cpp
new file mode 100644
index 0000000..f97faf0
--- /dev/null
+++ b/game/server/hl1/hl1_ai_basenpc.cpp
@@ -0,0 +1,215 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+#include "cbase.h"
+#include "hl1_ai_basenpc.h"
+#include "scripted.h"
+#include "soundent.h"
+#include "animation.h"
+#include "entitylist.h"
+#include "ai_navigator.h"
+#include "ai_motor.h"
+#include "player.h"
+#include "vstdlib/random.h"
+#include "engine/IEngineSound.h"
+#include "npcevent.h"
+
+#include "effect_dispatch_data.h"
+#include "te_effect_dispatch.h"
+#include "cplane.h"
+#include "ai_squad.h"
+
+#define HUMAN_GIBS 1
+#define ALIEN_GIBS 2
+
+//=========================================================
+// NoFriendlyFire - checks for possibility of friendly fire
+//
+// Builds a large box in front of the grunt and checks to see 
+// if any squad members are in that box. 
+//=========================================================
+bool CHL1BaseNPC::NoFriendlyFire( void )
+{
+	if ( !m_pSquad )
+	{
+		return true;
+	}
+
+	CPlane	backPlane;
+	CPlane  leftPlane;
+	CPlane	rightPlane;
+
+	Vector	vecLeftSide;
+	Vector	vecRightSide;
+	Vector	v_left;
+
+	Vector  vForward, vRight, vUp;
+	QAngle  vAngleToEnemy;
+
+	if ( GetEnemy() != NULL )
+	{
+		//!!!BUGBUG - to fix this, the planes must be aligned to where the monster will be firing its gun, not the direction it is facing!!!
+		VectorAngles( ( GetEnemy()->WorldSpaceCenter() - GetAbsOrigin() ), vAngleToEnemy );
+
+		AngleVectors ( vAngleToEnemy, &vForward, &vRight, &vUp );
+	}
+	else
+	{
+		// if there's no enemy, pretend there's a friendly in the way, so the grunt won't shoot.
+		return false;
+	}
+	
+	vecLeftSide = GetAbsOrigin() - ( vRight * ( WorldAlignSize().x * 1.5 ) );
+	vecRightSide = GetAbsOrigin() + ( vRight * ( WorldAlignSize().x * 1.5 ) );
+	v_left = vRight * -1;
+
+	leftPlane.InitializePlane ( vRight, vecLeftSide );
+	rightPlane.InitializePlane ( v_left, vecRightSide );
+	backPlane.InitializePlane ( vForward, GetAbsOrigin() );
+
+	AISquadIter_t iter;
+	for ( CAI_BaseNPC *pSquadMember = m_pSquad->GetFirstMember( &iter ); pSquadMember; pSquadMember = m_pSquad->GetNextMember( &iter ) )
+	{
+		if ( pSquadMember == NULL )
+			 continue;
+
+		if ( pSquadMember == this )
+			 continue;
+
+		if ( backPlane.PointInFront  ( pSquadMember->GetAbsOrigin() ) &&
+				 leftPlane.PointInFront  ( pSquadMember->GetAbsOrigin() ) && 
+				 rightPlane.PointInFront ( pSquadMember->GetAbsOrigin()) )
+			{
+				// this guy is in the check volume! Don't shoot!
+				return false;
+			}
+	}
+
+	return true;
+}
+
+void CHL1BaseNPC::TraceAttack( const CTakeDamageInfo &info, const Vector &vecDir, trace_t *ptr, CDmgAccumulator *pAccumulator )
+{
+	if ( info.GetDamage() >= 1.0 && !(info.GetDamageType() & DMG_SHOCK ) )
+	{
+		UTIL_BloodSpray( ptr->endpos, vecDir, BloodColor(), 4, FX_BLOODSPRAY_ALL );	
+	}
+
+	BaseClass::TraceAttack( info, vecDir, ptr, pAccumulator );
+}
+
+
+bool CHL1BaseNPC::ShouldGib( const CTakeDamageInfo &info )
+{
+	if ( info.GetDamageType() & DMG_NEVERGIB )
+		 return false;
+
+	if ( ( g_pGameRules->Damage_ShouldGibCorpse( info.GetDamageType() ) && m_iHealth < GIB_HEALTH_VALUE ) || ( info.GetDamageType() & DMG_ALWAYSGIB ) )
+		 return true;
+	
+	return false;
+	
+}
+
+bool CHL1BaseNPC::HasHumanGibs( void )
+{
+	Class_T myClass = Classify();
+
+	if ( myClass == CLASS_HUMAN_MILITARY ||
+		 myClass == CLASS_PLAYER_ALLY	||
+		 myClass == CLASS_HUMAN_PASSIVE  ||
+		 myClass == CLASS_PLAYER )
+
+		 return true;
+
+	return false;
+}
+
+
+bool CHL1BaseNPC::HasAlienGibs( void )
+{
+	Class_T myClass = Classify();
+
+	if ( myClass == CLASS_ALIEN_MILITARY ||
+		 myClass == CLASS_ALIEN_MONSTER	||
+		 myClass == CLASS_INSECT  ||
+		 myClass == CLASS_ALIEN_PREDATOR  ||
+		 myClass == CLASS_ALIEN_PREY )
+
+		 return true;
+
+	return false;
+}
+
+
+void CHL1BaseNPC::Precache( void )
+{
+	PrecacheModel( "models/gibs/agibs.mdl" );
+	PrecacheModel( "models/gibs/hgibs.mdl" );
+
+	BaseClass::Precache();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Output : Returns true on success, false on failure.
+//-----------------------------------------------------------------------------
+bool CHL1BaseNPC::CorpseGib( const CTakeDamageInfo &info )
+{
+	CEffectData	data;
+	
+	data.m_vOrigin = WorldSpaceCenter();
+	data.m_vNormal = data.m_vOrigin - info.GetDamagePosition();
+	VectorNormalize( data.m_vNormal );
+	
+	data.m_flScale = RemapVal( m_iHealth, 0, -500, 1, 3 );
+	data.m_flScale = clamp( data.m_flScale, 1, 3 );
+
+	if ( HasAlienGibs() )
+		 data.m_nMaterial = ALIEN_GIBS;
+	else if ( HasHumanGibs() )
+		 data.m_nMaterial = HUMAN_GIBS;
+	
+	data.m_nColor = BloodColor();
+
+	DispatchEffect( "HL1Gib", data );
+
+	CSoundEnt::InsertSound( SOUND_MEAT, GetAbsOrigin(), 256, 0.5f, this );
+
+///	BaseClass::CorpseGib( info );
+
+	return true;
+}
+
+int	CHL1BaseNPC::IRelationPriority( CBaseEntity *pTarget )
+{
+	return BaseClass::IRelationPriority( pTarget );
+}
+
+void CHL1BaseNPC::EjectShell( const Vector &vecOrigin, const Vector &vecVelocity, float rotation, int iType )
+{
+	CEffectData	data;
+	data.m_vStart	= vecVelocity;
+	data.m_vOrigin	= vecOrigin;
+	data.m_vAngles	= QAngle( 0, rotation, 0 );
+	data.m_fFlags	= iType;
+
+	DispatchEffect( "HL1ShellEject", data );
+}
+
+// HL1 version - never return Ragdoll as the automatic schedule at the end of a 
+// scripted sequence
+int CHL1BaseNPC::SelectDeadSchedule()
+{
+	// Alread dead (by animation event maybe?)
+	// Is it safe to set it to SCHED_NONE?
+	if ( m_lifeState == LIFE_DEAD )
+		 return SCHED_NONE;
+
+	CleanupOnDeath();
+	return SCHED_DIE;
+}