From c474b27cd8a359ed76143da696f9d442997c8285 Mon Sep 17 00:00:00 2001
From: Kittenji <41535779+ChrisFeline@users.noreply.github.com>
Date: Thu, 17 Oct 2024 20:15:44 -0400
Subject: [PATCH] Implement ToN_HostChange OSC param.

---
 Models/AppSettings.cs | 10 ++++++++++
 Utils/LilOSC.cs       | 44 +++++++++++++++++++++++++++++++++++++++----
 Windows/MainWindow.cs |  8 ++++++++
 3 files changed, 58 insertions(+), 4 deletions(-)

diff --git a/Models/AppSettings.cs b/Models/AppSettings.cs
index a6e5ed1..beb1623 100644
--- a/Models/AppSettings.cs
+++ b/Models/AppSettings.cs
@@ -169,6 +169,16 @@ public int GetDeathID (string id) {
             return Array.IndexOf(OSCDeathIDs, id) + 1;
         }
 
+
+        /// <summary>
+        /// OSC Master Changed event for OSC.
+        /// </summary>
+        public bool OSCMasterChange { get; set; } = true;
+        /// <summary>
+        /// OSC Master Change event interval.
+        /// </summary>
+        public int OSCMasterChangeInterval { get; set; } = 200;
+
         /// <summary>
         /// Enables OSC chatbox messages.
         /// </summary>
diff --git a/Utils/LilOSC.cs b/Utils/LilOSC.cs
index a2415dc..aca7705 100644
--- a/Utils/LilOSC.cs
+++ b/Utils/LilOSC.cs
@@ -45,13 +45,14 @@ internal static class LilOSC {
         const string ParamDeath = "ToN_DeathID";
         const string ParamPages = "ToN_Pages";
         const string ParamItemStatus = "ToN_ItemStatus";
+        const string ParamMaster = "ToN_MasterChange";
 
         static readonly string[] ParamAll = [
             ParamRoundType, ParamTerror1, ParamTerror2, ParamTerror3, ParamTPhase1, ParamTPhase2, ParamTPhase3,
             ParamOptedIn, ParamSaboteur, ParamMap, ParamEncounter,
             ParamTerrorColorH, ParamTerrorColorS, ParamTerrorColorV, ParamTerrorColorL,
             ParamTerrorColorR, ParamTerrorColorG, ParamTerrorColorB,
-            ParamAlive, ParamReborn, ParamDamaged, ParamDeath, ParamPages, ParamItemStatus
+            ParamAlive, ParamReborn, ParamDamaged, ParamMaster, ParamDeath, ParamPages, ParamItemStatus
         ];
         const string ParameterFileName = "osc_parameters.txt";
         internal static void Initialize() {
@@ -186,6 +187,36 @@ private static void DeathTimer_Tick(object? sender, EventArgs e) {
         }
         #endregion
 
+        #region Host Change
+        private static Timer? HostTimer;
+        private static bool LastHost = false;
+        internal static void SendHostChange() {
+            if (LastHost || !MainWindow.Started || !Settings.Get.OSCMasterChange || !Settings.Get.OSCEnabled) return;
+
+            if (HostTimer == null) {
+                HostTimer = new Timer();
+                HostTimer.Tick += HostTimer_Tick;
+                HostTimer.Interval = Settings.Get.OSCMasterChangeInterval;
+            }
+
+            LastHost = true;
+            SendParam(ParamMaster, LastHost);
+
+            HostTimer.Stop();
+            if (Settings.Get.OSCMasterChangeInterval > 0) {
+                HostTimer.Interval = Settings.Get.OSCMasterChangeInterval;
+                HostTimer.Start();
+            } else LastHost = false;
+        }
+
+        private static void HostTimer_Tick(object? sender, EventArgs e) {
+            HostTimer?.Stop();
+
+            LastHost = false;
+            SendParam(ParamMaster, LastHost);
+        }
+        #endregion
+
         private static Timer? DamageTimer;
         private static int LastDamage = 0;
         internal static void SetDamage(int damage) {
@@ -198,11 +229,16 @@ internal static void SetDamage(int damage) {
             }
 
             if (LastDamage != damage) {
-                DamageTimer.Stop();
-                DamageTimer.Start();
-
                 LastDamage = damage;
                 SendParam(ParamDamaged, damage); // change param to a const
+
+                DamageTimer.Stop();
+                if (Settings.Get.OSCDamagedInterval > 0) {
+                    DamageTimer.Interval = Settings.Get.OSCDamagedInterval;
+                    DamageTimer.Start();
+                } else {
+                    LastDamage = 0;
+                }
             }
         }
 
diff --git a/Windows/MainWindow.cs b/Windows/MainWindow.cs
index 45f7ff4..330201e 100644
--- a/Windows/MainWindow.cs
+++ b/Windows/MainWindow.cs
@@ -872,6 +872,9 @@ private bool HandleTerrorIndex(string line, DateTime timestamp, ToNLogContext co
         const string STAT_STUN_LANDED = " landed a stun!";
         const string STAT_STUN_TARGET = " was stunned.";
         const string STAT_HIT = "Hit - ";
+
+        const string EVENT_MASTER_CHANGE = "[Behaviour] OnMasterClientSwitched";
+
         private bool HandleStatCollection(string line, DateTime timestamp, ToNLogContext context) {
             if (!context.IsRecent) return false;
 
@@ -893,6 +896,11 @@ private bool HandleStatCollection(string line, DateTime timestamp, ToNLogContext
                 }
 
                 if (Settings.Get.OSCEnabled) {
+                    if (Settings.Get.OSCMasterChange && line.StartsWith(EVENT_MASTER_CHANGE)) {
+                        LilOSC.SendHostChange();
+                        return true;
+                    }
+
                     bool isActivated = line.StartsWith("[UNSTABLE COIL] Activated!") || line.StartsWith("[EMERALD COIL] Activated!") || line.StartsWith("[CORKSCREW COIL] Activated!");
                     bool isDeactivated = line.StartsWith("[UNSTABLE COIL] Deactivated!") || line.StartsWith("[EMERALD COIL] Deactivated!") || line.StartsWith("[CORKSCREW COIL] Deactivated!");
                     if (isActivated || isDeactivated) {