Add convar to limit max dropped weapons in map (#114)

* Add convar to limit max dropped weapons in map

* Set default value to -1

addons/sourcemod/scripting/scp_sf.sp

@@ -111,6 +111,7 @@ ConVar CvarKarmaRatio;
 ConVar CvarKarmaMin;
 ConVar CvarKarmaMax;
 ConVar CvarAllowCosmetics;
+ConVar CvarDroppedWeaponCount;
 float NextHintAt = FAR_FUTURE;
 float RoundStartAt;
 float EndRoundIn;

addons/sourcemod/scripting/scp_sf/convars.sp

@@ -27,6 +27,7 @@ void ConVar_Setup()
 	CvarKarmaMin = CreateConVar("scp_karmamin", "0.0", "Minimum karma level", _, true, 0.0, true, 100.0);
 	CvarKarmaMax = CreateConVar("scp_karmamax", "100.0", "Maximum karma level", _, true, 0.0, true, 100.0);
 	CvarAllowCosmetics = CreateConVar("scp_allowcosmetics", "1", "Whether to allow certain classes to equip cosmetics", _, true, 0.0, true, 1.0);
+	CvarDroppedWeaponCount = CreateConVar("scp_droppedweaponcount", "-1", "How many dropped weapon to allow in map, -1 for no limit", _, true, -1.0);
 
 	AutoExecConfig(true, "SCPSecretFortress");
 

addons/sourcemod/scripting/scp_sf/items.sp

@@ -911,6 +911,33 @@ bool Items_DropItem(int client, int helditem, const float origin[3], const float
 
 			TeleportEntity(entity, origin, NULL_VECTOR, vel);
 			result = true;
+
+			// Add dropped weapon to list, ordered by time created
+			static ArrayList droppedweapons;
+			if (!droppedweapons)
+				droppedweapons = new ArrayList();
+
+			droppedweapons.Push(EntIndexToEntRef(entity));
+			int length = droppedweapons.Length;
+			for (int i = length - 1; i >= 0; i--)
+			{
+				// Clean up any ents that were already removed
+				if (!IsValidEntity(droppedweapons.Get(i)))
+					droppedweapons.Erase(i);
+			}
+
+			int maxcount = CvarDroppedWeaponCount.IntValue;
+			if (maxcount != -1)
+			{
+				// If there are too many dropped weapon, remove some ordered by time created
+				length = droppedweapons.Length;
+				while (length > maxcount)
+				{
+					RemoveEntity(droppedweapons.Get(0));
+					droppedweapons.Erase(0);
+					length--;
+				}
+			}
 		}
 	}