From 211a9440f4ec9bd49d49bbd44679729aac5aa7ce Mon Sep 17 00:00:00 2001
From: Ryan Cloherty <cloherty.ryan@gmail.com>
Date: Wed, 29 Dec 2021 19:37:34 -0500
Subject: [PATCH] Add FreeForAll.cs

I think this is how the scoring system is implemented?
---
 titanfall2-rp/MpGameStats/FreeForAll.cs | 65 +++++++++++++++++++++++++
 titanfall2-rp/MpStats.cs                | 25 ++++++----
 2 files changed, 81 insertions(+), 9 deletions(-)
 create mode 100644 titanfall2-rp/MpGameStats/FreeForAll.cs

diff --git a/titanfall2-rp/MpGameStats/FreeForAll.cs b/titanfall2-rp/MpGameStats/FreeForAll.cs
new file mode 100644
index 0000000..5db31e3
--- /dev/null
+++ b/titanfall2-rp/MpGameStats/FreeForAll.cs
@@ -0,0 +1,65 @@
+using Process.NET;
+
+namespace titanfall2_rp.MpGameStats
+{
+    public class FreeForAll : MpStats
+    {
+        public FreeForAll(Titanfall2Api tf2Api, ProcessSharp processSharp) : base(tf2Api, processSharp)
+        {
+        }
+
+        /// <summary>
+        /// The score of "team 1" is actually just the current user's score
+        /// </summary>
+        /// <returns></returns>
+        public override int GetTeam1Score()
+        {
+            return GetScore(GetMyIdOnServer());
+        }
+
+        /// <summary>
+        /// The score of "team 2" is actually the score of the player with the highest score
+        /// </summary>
+        /// <returns></returns>
+        public override int GetTeam2Score()
+        {
+            return GetHighestScoreInGameIgnoringPlayer(GetMyIdOnServer());
+        }
+
+        /// <summary>
+        /// Get the score of a user.
+        /// </summary>
+        /// <param name="playerId">the id of the player, leave blank to use the current player</param>
+        /// <returns>the user's score</returns>
+        private int GetScore(int playerId = -1)
+        {
+            var id = playerId < 0 ? GetMyIdOnServer() : playerId;
+            return Sharp.Memory.Read<int>(Tf2Api.EngineDllBaseAddress + MpOffsets.FreeForAll.Score +
+                                          (id * MpOffsets.FreeForAll.AttritionStatsPlayerIdOffset));
+        }
+
+        private int GetHighestScoreInGameIgnoringPlayer(int playerIdToIgnore = -1)
+        {
+            var currentHighest = int.MinValue;
+            // Loop through all the score slots
+            for (var i = 0; i < 64; i++)
+            {
+                // Skip the player whose ID we were instructed to ignore
+                if (i == playerIdToIgnore)
+                {
+                    continue;
+                }
+
+                var playerScore = GetScore(i);
+                // If the known highest score turns out to be lower than this player's score...
+                if (playerScore > currentHighest)
+                {
+                    // Set the known highest to be that new highest score
+                    currentHighest = playerScore;
+                }
+            }
+
+            return currentHighest;
+        }
+    }
+}
\ No newline at end of file
diff --git a/titanfall2-rp/MpStats.cs b/titanfall2-rp/MpStats.cs
index 78b0dcc..56327b2 100644
--- a/titanfall2-rp/MpStats.cs
+++ b/titanfall2-rp/MpStats.cs
@@ -15,15 +15,15 @@ namespace titanfall2_rp
     /// </summary>
     public abstract class MpStats
     {
-        private static readonly ILog Log = LogManager.GetLogger(MethodBase.GetCurrentMethod()!.DeclaringType);
-
         private protected const string HelpMeBruh =
             "Getting this value is not supported. " +
             "If you want this to be possible, you'll need to contribute this yourself or tell me how the heck to get it.";
 
-        private protected readonly Titanfall2Api Tf2Api;
+        private static readonly ILog Log = LogManager.GetLogger(MethodBase.GetCurrentMethod()!.DeclaringType);
         private protected readonly ProcessSharp Sharp;
 
+        private protected readonly Titanfall2Api Tf2Api;
+
         protected MpStats(Titanfall2Api titanfall2Api, ProcessSharp processSharp)
         {
             Tf2Api = titanfall2Api;
@@ -202,6 +202,7 @@ public static MpStats Of(Titanfall2Api titanfall2Api, ProcessSharp sharp)
                 GameMode.fd_master => new FrontierDefense(titanfall2Api, sharp),
                 GameMode.fd_insane => new FrontierDefense(titanfall2Api, sharp),
                 GameMode.solo => throw new ArgumentException("Tried to get multiplayer details for the campaign"),
+                GameMode.ffa => new FreeForAll(titanfall2Api, sharp),
                 _ => ReportGameModeFailure(gameMode)
             };
         }
@@ -310,6 +311,12 @@ internal static class MpOffsets
         /// </summary>
         internal const int Name = 0x13fa6eb8;
 
+        /// <summary>
+        /// This value (multiplied by the player's ID) is added to the last of the <see cref="NamePointerOffsets"/>
+        /// when finding a player's name.
+        /// </summary>
+        internal const int NamePlayerIdIncrement = 0x58;
+
         /// <summary>
         /// The <see cref="Name"/> address is really the address to a pointer. Applying these offsets to that pointer
         /// points to the address with the actual desired value.
@@ -320,12 +327,6 @@ internal static int[] NamePointerOffsets
             get { return new[] { 0x18, 0x50, 0x38, 0x38 }; }
         }
 
-        /// <summary>
-        /// This value (multiplied by the player's ID) is added to the last of the <see cref="NamePointerOffsets"/>
-        /// when finding a player's name.
-        /// </summary>
-        internal const int NamePlayerIdIncrement = 0x58;
-
         public static class Attrition
         {
             internal const int Kills = 0x1123D27C;
@@ -333,5 +334,11 @@ public static class Attrition
             internal const int Score = 0x1123D510;
             internal const int AttritionStatsPlayerIdOffset = 0x4;
         }
+
+        public static class FreeForAll
+        {
+            internal const int Score = Attrition.Score;
+            internal const int AttritionStatsPlayerIdOffset = Attrition.AttritionStatsPlayerIdOffset;
+        }
     }
 }
\ No newline at end of file