From 1e529268980f59c337f0f149fd57b0ecbba4db3e Mon Sep 17 00:00:00 2001
From: Night Owl <sepulkarium45@yahoo.com>
Date: Sat, 13 Jan 2018 15:04:16 +0500
Subject: [PATCH] Fix monster_generic.

---
 dlls/genericmonster.cpp | 89 ++++++++++++++++++++++++++++++++++++++---
 dlls/talkmonster.cpp    |  2 +-
 2 files changed, 85 insertions(+), 6 deletions(-)

diff --git a/dlls/genericmonster.cpp b/dlls/genericmonster.cpp
index 4483085d..2df9ddc4 100644
--- a/dlls/genericmonster.cpp
+++ b/dlls/genericmonster.cpp
@@ -20,7 +20,6 @@
 #include	"cbase.h"
 #include	"monsters.h"
 #include	"schedule.h"
-#include	"talkmonster.h"
 
 // For holograms, make them not solid so the player can walk through them
 #define	SF_GENERICMONSTER_NOTSOLID					4 
@@ -29,8 +28,7 @@
 //=========================================================
 // Monster's Anim Events Go Here
 //=========================================================
-
-class CGenericMonster : public CTalkMonster
+class CGenericMonster : public CBaseMonster
 {
 public:
 	void Spawn( void );
@@ -39,10 +37,33 @@ public:
 	int Classify( void );
 	void HandleAnimEvent( MonsterEvent_t *pEvent );
 	int ISoundMask( void );
+	void PlayScriptedSentence( const char *pszSentence, float duration, float volume, float attenuation, BOOL bConcurrent, CBaseEntity *pListener );
+	void IdleHeadTurn( Vector &vecFriend );
+	void EXPORT MonsterThink();
+
+	int Save( CSave &save );
+	int Restore( CRestore &restore );
+	static TYPEDESCRIPTION m_SaveData[];
+
+private:
+	float m_talkTime;
+	EHANDLE m_hTalkTarget;
+	float m_flIdealYaw;
+	float m_flCurrentYaw;
 };
 
 LINK_ENTITY_TO_CLASS( monster_generic, CGenericMonster )
 
+TYPEDESCRIPTION CGenericMonster::m_SaveData[] =
+{
+	DEFINE_FIELD( CGenericMonster, m_talkTime, FIELD_FLOAT ),
+	DEFINE_FIELD( CGenericMonster, m_hTalkTarget, FIELD_EHANDLE ),
+	DEFINE_FIELD( CGenericMonster, m_flIdealYaw, FIELD_FLOAT ),
+	DEFINE_FIELD( CGenericMonster, m_flCurrentYaw, FIELD_FLOAT ),
+};
+
+IMPLEMENT_SAVERESTORE( CGenericMonster, CBaseMonster )
+
 //=========================================================
 // Classify - indicates this monster's place in the 
 // relationship table.
@@ -126,6 +147,8 @@ void CGenericMonster::Spawn()
 		m_afCapability = bits_CAP_TURN_HEAD;
 	}
 
+	m_flIdealYaw = m_flCurrentYaw = 0;
+ 
 	if( pev->spawnflags & SF_GENERICMONSTER_NOTSOLID )
 	{
 		pev->solid = SOLID_NOT;
@@ -138,11 +161,67 @@ void CGenericMonster::Spawn()
 //=========================================================
 void CGenericMonster::Precache()
 {
-	CTalkMonster::Precache();
-	TalkInit();
 	PRECACHE_MODEL( STRING( pev->model ) );
 }
 
+void CGenericMonster::PlayScriptedSentence( const char *pszSentence, float duration, float volume, float attenuation, BOOL bConcurrent, CBaseEntity *pListener )
+{
+	m_talkTime = gpGlobals->time + duration;
+	PlaySentence( pszSentence, duration, volume, attenuation );
+
+	m_hTalkTarget = pListener;
+}
+
+void CGenericMonster::IdleHeadTurn( Vector &vecFriend )
+{
+        // turn head in desired direction only if ent has a turnable head
+        if( m_afCapability & bits_CAP_TURN_HEAD )
+        {
+                float yaw = VecToYaw( vecFriend - pev->origin ) - pev->angles.y;
+                         
+                if( yaw > 180 )
+                        yaw -= 360;
+                if( yaw < -180 )
+                        yaw += 360;
+
+		m_flIdealYaw = yaw;
+        }
+}
+
+void CGenericMonster::MonsterThink()
+{
+	if( m_afCapability & bits_CAP_TURN_HEAD )
+        {
+		if( m_hTalkTarget != 0 )
+		{
+			if( gpGlobals->time > m_talkTime )
+			{
+				m_flIdealYaw = 0;
+				m_hTalkTarget = 0;
+			}
+			else
+			{
+				IdleHeadTurn( m_hTalkTarget->pev->origin );
+			}
+		}
+
+		if( m_flCurrentYaw != m_flIdealYaw )
+		{
+			if( m_flCurrentYaw <= m_flIdealYaw )
+			{
+				m_flCurrentYaw += Q_min( m_flIdealYaw - m_flCurrentYaw, 20.0f );
+			}
+			else
+			{
+				m_flCurrentYaw -= Q_min( m_flCurrentYaw - m_flIdealYaw, 20.0f );
+			}
+			SetBoneController( 0, m_flCurrentYaw );
+		}
+	}
+
+	CBaseMonster::MonsterThink();
+}
+
 //=========================================================
 // AI Schedules Specific to this monster
 //=========================================================
diff --git a/dlls/talkmonster.cpp b/dlls/talkmonster.cpp
index e755c4b0..03fb40fc 100644
--- a/dlls/talkmonster.cpp
+++ b/dlls/talkmonster.cpp
@@ -880,7 +880,7 @@ int CTalkMonster::FOkToSpeak( void )
 		return FALSE;
 
 	// monster generic can speak always
-	if( pev->spawnflags & SF_MONSTER_GAG && !FClassnameIs( pev, "monster_generic" ) )
+	if( pev->spawnflags & SF_MONSTER_GAG )
 		return FALSE;
 
 	if( m_MonsterState == MONSTERSTATE_PRONE )