[HL25] New item flag NOAUTOSWITCHTO for RPG

Prevents the RPG from being auto-switched to on auto weapon switch events

dlls/gamerules.cpp

@@ -53,6 +53,11 @@ CBasePlayerItem* CGameRules::FindNextBestWeapon(CBasePlayer* pPlayer, CBasePlaye
 				continue;
 			}
 
+			if ((pCheck->iFlags() & ITEM_FLAG_NOAUTOSWITCHTO) != 0)
+			{
+				continue;
+			}
+
 			if (pCheck->iWeight() > -1 && pCheck->iWeight() == currentWeight)
 			{
 				// this weapon is from the same category.

dlls/rpg.cpp

@@ -410,7 +410,7 @@ bool CRpg::GetItemInfo(ItemInfo* p)
 	p->iSlot = 3;
 	p->iPosition = 0;
 	p->iId = m_iId = WEAPON_RPG;
-	p->iFlags = 0;
+	p->iFlags = ITEM_FLAG_NOAUTOSWITCHTO;
 	p->iWeight = RPG_WEIGHT;
 
 	return true;

dlls/weapons.h

@@ -172,6 +172,7 @@ typedef enum
 #define ITEM_FLAG_NOAUTOSWITCHEMPTY 4
 #define ITEM_FLAG_LIMITINWORLD 8
 #define ITEM_FLAG_EXHAUSTIBLE 16 // A player can totally exhaust their ammo supply and lose this weapon
+#define ITEM_FLAG_NOAUTOSWITCHTO 32
 
 #define WEAPON_IS_ONTARGET 0x40