From 85df6c253faad8120de0c1da998c6a4ee380deee Mon Sep 17 00:00:00 2001
From: counter185 <33550839+counter185@users.noreply.github.com>
Date: Sat, 25 Feb 2023 15:15:02 +0100
Subject: [PATCH] apps interface check if parts of the game are installed

---
 src/client/steam/interfaces/apps.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/client/steam/interfaces/apps.cpp b/src/client/steam/interfaces/apps.cpp
index e017bf73..f9066f23 100644
--- a/src/client/steam/interfaces/apps.cpp
+++ b/src/client/steam/interfaces/apps.cpp
@@ -33,14 +33,18 @@ namespace steam
 		return "english";
 	}
 
+	// This is used for checking DLC too.
 	bool apps::BIsSubscribedApp(unsigned int appID)
 	{
-		return true;
+		return appID == 366842 ? std::filesystem::exists("zone/zm_common.xpak")	//zombies
+			: appID == 366841 ? std::filesystem::exists("zone/mp_common.xpak")	//multiplayer
+			: appID == 366840 ? std::filesystem::exists("zone/cp_common.xpak")	//campaign
+			: true;
 	}
 
 	bool apps::BIsDlcInstalled(unsigned int appID)
 	{
-		return true;
+		return BIsSubscribedApp(appID);	//to not repeat the same code here
 	}
 
 	unsigned int apps::GetEarliestPurchaseUnixTime(unsigned int nAppID)