From 28db0abd0bd3c55855dd7dbe0c018dbd7d60aaa0 Mon Sep 17 00:00:00 2001
From: Andrey Akhmichin <15944199+nekonomicon@users.noreply.github.com>
Date: Mon, 22 Jan 2024 22:38:13 +0500
Subject: [PATCH] HL 25th anniversary update satchel changes.

---
 dlls/satchel.cpp | 38 +++++++++++++++++++++++++-------------
 1 file changed, 25 insertions(+), 13 deletions(-)

diff --git a/dlls/satchel.cpp b/dlls/satchel.cpp
index 38ebec0859..93ab07e47e 100644
--- a/dlls/satchel.cpp
+++ b/dlls/satchel.cpp
@@ -192,6 +192,8 @@ LINK_ENTITY_TO_CLASS( weapon_satchel, CSatchel )
 int CSatchel::AddDuplicate( CBasePlayerItem *pOriginal )
 {
 	CSatchel *pSatchel;
+	int nNumSatchels, nSatchelsInPocket;
+	CBaseEntity *pStartEntity;
 
 #if CLIENT_DLL
 	if( bIsMultiplayer() )
@@ -199,9 +201,22 @@ int CSatchel::AddDuplicate( CBasePlayerItem *pOriginal )
 	if( g_pGameRules->IsMultiplayer() )
 #endif
 	{
+		if( !pOriginal->m_pPlayer )
+			return TRUE;
+
+		nNumSatchels = 0;
+		nSatchelsInPocket = pOriginal->m_pPlayer->m_rgAmmo[pOriginal->PrimaryAmmoIndex()];
+		pStartEntity = NULL;
+
+		while( ( pStartEntity = UTIL_FindEntityInSphere( pStartEntity, pOriginal->m_pPlayer->pev->origin, 4096 )) != NULL )
+		{
+			if( FClassnameIs( pStartEntity->pev, "monster_satchel" ))
+				nNumSatchels += pStartEntity->pev->owner == pOriginal->m_pPlayer->edict();
+		}
+
 		pSatchel = (CSatchel *)pOriginal;
 
-		if( pSatchel->m_chargeReady != SATCHEL_IDLE )
+		if( pSatchel->m_chargeReady != SATCHEL_IDLE || nSatchelsInPocket + nNumSatchels <= SATCHEL_MAX_CARRY - 1 )
 		{
 			// player has some satchels deployed. Refuse to add more.
 			return FALSE;
@@ -330,14 +345,19 @@ void CSatchel::Holster( int skiplocal /* = 0 */ )
 	}
 }
 
-void CSatchel::PrimaryAttack()
+void CSatchel::PrimaryAttack( void )
+{
+	if( m_chargeReady != SATCHEL_RELOAD )
+	{
+		Throw();
+	}
+}
+
+void CSatchel::SecondaryAttack()
 {
 	switch( m_chargeReady )
 	{
 	case SATCHEL_IDLE:
-		{
-			Throw();
-		}
 		break;
 	case SATCHEL_READY:
 		{
@@ -370,14 +390,6 @@ void CSatchel::PrimaryAttack()
 	}
 }
 
-void CSatchel::SecondaryAttack( void )
-{
-	if( m_chargeReady != SATCHEL_RELOAD )
-	{
-		Throw();
-	}
-}
-
 void CSatchel::Throw( void )
 {
 	if( m_pPlayer->m_rgAmmo[m_iPrimaryAmmoType] )