From 043d9a98ba58c30ee05a7e13210126b2b085502b Mon Sep 17 00:00:00 2001
From: VALERA771 <72030575+VALERA771@users.noreply.github.com>
Date: Sun, 10 Nov 2024 01:16:47 +0300
Subject: [PATCH] `[Exiled::Events]` `[Exiled::API]` New event + new property
 (#31)

* new ev + previous role

* suggestions

* uwu

* suj

* fix

* uwu

---------

Co-authored-by: Yamato <66829532+louis1706@users.noreply.github.com>
---
 EXILED/Exiled.API/Features/Player.cs          | 11 ++-
 .../EventArgs/Player/EscapedEventArgs.cs      | 70 +++++++++++++++++++
 EXILED/Exiled.Events/Handlers/Player.cs       | 11 +++
 .../{Escaping.cs => EscapingAndEscaped.cs}    | 51 ++++++++++++--
 4 files changed, 136 insertions(+), 7 deletions(-)
 create mode 100644 EXILED/Exiled.Events/EventArgs/Player/EscapedEventArgs.cs
 rename EXILED/Exiled.Events/Patches/Events/Player/{Escaping.cs => EscapingAndEscaped.cs} (74%)

diff --git a/EXILED/Exiled.API/Features/Player.cs b/EXILED/Exiled.API/Features/Player.cs
index d5e3d3eae..c6cd27514 100644
--- a/EXILED/Exiled.API/Features/Player.cs
+++ b/EXILED/Exiled.API/Features/Player.cs
@@ -589,9 +589,18 @@ public PlayerPermissions RemoteAdminPermissions
         public Role Role
         {
             get => role ??= Role.Create(RoleManager.CurrentRole);
-            internal set => role = value;
+            internal set
+            {
+                PreviousRole = role.Type;
+                role = value;
+            }
         }
 
+        /// <summary>
+        /// Gets the role that player had before changing role.
+        /// </summary>
+        public RoleTypeId PreviousRole { get; private set; }
+
         /// <summary>
         /// Gets or sets the player's SCP preferences.
         /// </summary>
diff --git a/EXILED/Exiled.Events/EventArgs/Player/EscapedEventArgs.cs b/EXILED/Exiled.Events/EventArgs/Player/EscapedEventArgs.cs
new file mode 100644
index 000000000..f185f7845
--- /dev/null
+++ b/EXILED/Exiled.Events/EventArgs/Player/EscapedEventArgs.cs
@@ -0,0 +1,70 @@
+// -----------------------------------------------------------------------
+// <copyright file="EscapedEventArgs.cs" company="Exiled Team">
+// Copyright (c) Exiled Team. All rights reserved.
+// Licensed under the CC BY-SA 3.0 license.
+// </copyright>
+// -----------------------------------------------------------------------
+
+namespace Exiled.Events.EventArgs.Player
+{
+    using System;
+    using System.Collections.Generic;
+
+    using Exiled.API.Enums;
+    using Exiled.API.Features;
+    using Exiled.API.Features.Roles;
+    using Exiled.Events.EventArgs.Interfaces;
+    using PlayerRoles;
+    using Respawning;
+
+    /// <summary>
+    /// Contains all information after player has escaped.
+    /// </summary>
+    public class EscapedEventArgs : IPlayerEvent
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="EscapedEventArgs"/> class.
+        /// </summary>
+        /// <param name="player"><inheritdoc cref="Player"/></param>
+        /// <param name="escapeScenario"><inheritdoc cref="EscapeScenario"/></param>
+        /// <param name="role"><inheritdoc cref="Role"/></param>
+        /// <param name="kvp"><inheritdoc cref="Tickets"/>, <inheritdoc cref="Team"/>.</param>
+        public EscapedEventArgs(Player player, EscapeScenario escapeScenario, Role role, KeyValuePair<SpawnableTeamType, float> kvp)
+        {
+            Player = player;
+            EscapeScenario = escapeScenario;
+            Team = kvp.Key;
+            Tickets = kvp.Value;
+            OldRole = role;
+            EscapeTime = (int)Math.Ceiling(role.ActiveTime.TotalSeconds);
+        }
+
+        /// <inheritdoc/>
+        public Player Player { get; }
+
+        /// <summary>
+        /// Gets the type of escape.
+        /// </summary>
+        public EscapeScenario EscapeScenario { get; }
+
+        /// <summary>
+        /// Gets the <see cref="SpawnableTeamType"/> that gained tickets for this escape.
+        /// </summary>
+        public SpawnableTeamType Team { get; }
+
+        /// <summary>
+        /// Gets the amount of tickets gained for this escape.
+        /// </summary>
+        public float Tickets { get; }
+
+        /// <summary>
+        /// Gets the previous role for this player.
+        /// </summary>
+        public Role OldRole { get; }
+
+        /// <summary>
+        /// Gets the time in seconds since round started.
+        /// </summary>
+        public int EscapeTime { get; }
+    }
+}
\ No newline at end of file
diff --git a/EXILED/Exiled.Events/Handlers/Player.cs b/EXILED/Exiled.Events/Handlers/Player.cs
index 2e6209741..576cc3bb0 100644
--- a/EXILED/Exiled.Events/Handlers/Player.cs
+++ b/EXILED/Exiled.Events/Handlers/Player.cs
@@ -239,6 +239,11 @@ public class Player
         /// </summary>
         public static Event<EscapingEventArgs> Escaping { get; set; } = new();
 
+        /// <summary>
+        /// Invoked after a <see cref="API.Features.Player"/> escapes.
+        /// </summary>
+        public static Event<EscapedEventArgs> Escaped { get; set; } = new();
+
         /// <summary>
         /// Invoked before a <see cref="API.Features.Player"/> begins speaking to the intercom.
         /// </summary>
@@ -734,6 +739,12 @@ public class Player
         /// <param name="ev">The <see cref="EscapingEventArgs"/> instance.</param>
         public static void OnEscaping(EscapingEventArgs ev) => Escaping.InvokeSafely(ev);
 
+        /// <summary>
+        /// Called after a <see cref="API.Features.Player"/> escapes.
+        /// </summary>
+        /// <param name="ev">The <see cref="EscapedEventArgs"/> instance.</param>
+        public static void OnEscaped(EscapedEventArgs ev) => Escaped.InvokeSafely(ev);
+
         /// <summary>
         /// Called before a <see cref="API.Features.Player"/> begins speaking to the intercom.
         /// </summary>
diff --git a/EXILED/Exiled.Events/Patches/Events/Player/Escaping.cs b/EXILED/Exiled.Events/Patches/Events/Player/EscapingAndEscaped.cs
similarity index 74%
rename from EXILED/Exiled.Events/Patches/Events/Player/Escaping.cs
rename to EXILED/Exiled.Events/Patches/Events/Player/EscapingAndEscaped.cs
index 048de1136..a48e531d9 100644
--- a/EXILED/Exiled.Events/Patches/Events/Player/Escaping.cs
+++ b/EXILED/Exiled.Events/Patches/Events/Player/EscapingAndEscaped.cs
@@ -1,5 +1,5 @@
 // -----------------------------------------------------------------------
-// <copyright file="Escaping.cs" company="Exiled Team">
+// <copyright file="EscapingAndEscaped.cs" company="Exiled Team">
 // Copyright (c) Exiled Team. All rights reserved.
 // Licensed under the CC BY-SA 3.0 license.
 // </copyright>
@@ -8,6 +8,7 @@
 namespace Exiled.Events.Patches.Events.Player
 {
 #pragma warning disable SA1402 // File may only contain a single type
+#pragma warning disable IDE0060
 
     using System;
     using System.Collections.Generic;
@@ -18,8 +19,8 @@ namespace Exiled.Events.Patches.Events.Player
     using API.Enums;
     using API.Features;
     using API.Features.Pools;
-
     using EventArgs.Player;
+    using Exiled.API.Features.Roles;
     using Exiled.Events.Attributes;
     using HarmonyLib;
     using PlayerRoles.FirstPersonControl;
@@ -28,11 +29,12 @@ namespace Exiled.Events.Patches.Events.Player
     using static HarmonyLib.AccessTools;
 
     /// <summary>
-    /// Patches <see cref="Escape.ServerHandlePlayer(ReferenceHub)"/> for <see cref="Handlers.Player.Escaping" />.
+    /// Patches <see cref="Escape.ServerHandlePlayer(ReferenceHub)"/> for <see cref="Handlers.Player.Escaping" /> and <see cref="Handlers.Player.Escaped"/>.
     /// </summary>
     [EventPatch(typeof(Handlers.Player), nameof(Handlers.Player.Escaping))]
+    [EventPatch(typeof(Handlers.Player), nameof(Handlers.Player.Escaped))]
     [HarmonyPatch(typeof(Escape), nameof(Escape.ServerHandlePlayer))]
-    internal static class Escaping
+    internal static class EscapingAndEscaped
     {
         private static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstruction> instructions, ILGenerator generator)
         {
@@ -42,6 +44,7 @@ private static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstructi
             Label returnLabel = generator.DefineLabel();
 
             LocalBuilder ev = generator.DeclareLocal(typeof(EscapingEventArgs));
+            LocalBuilder role = generator.DeclareLocal(typeof(Role));
 
             int offset = -2;
             int index = newInstructions.FindIndex(instruction => instruction.opcode == OpCodes.Newobj) + offset;
@@ -97,9 +100,44 @@ private static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstructi
                 {
                     // GrantAllTickets(ev)
                     new CodeInstruction(OpCodes.Ldloc, ev.LocalIndex).WithLabels(labels),
-                    new(OpCodes.Call, Method(typeof(Escaping), nameof(GrantAllTickets))),
+                    new(OpCodes.Call, Method(typeof(EscapingAndEscaped), nameof(GrantAllTickets))),
                 });
 
+            offset = 4;
+            index = newInstructions.FindIndex(x => x.Is(OpCodes.Stfld, Field(typeof(Escape.EscapeMessage), nameof(Escape.EscapeMessage.EscapeTime)))) + offset;
+
+            newInstructions.InsertRange(index, new CodeInstruction[]
+            {
+                // role = ev.Player.Role
+                new(OpCodes.Ldloc_S, ev.LocalIndex),
+                new(OpCodes.Callvirt, PropertyGetter(typeof(EscapingEventArgs), nameof(EscapingEventArgs.Player))),
+                new(OpCodes.Callvirt, PropertyGetter(typeof(Player), nameof(Player.Role))),
+                new(OpCodes.Stloc_S, role.LocalIndex),
+            });
+
+            newInstructions.InsertRange(newInstructions.Count - 1, new CodeInstruction[]
+            {
+                // ev.Player
+                new(OpCodes.Ldloc_S, ev.LocalIndex),
+                new(OpCodes.Callvirt, PropertyGetter(typeof(EscapingEventArgs), nameof(EscapingEventArgs.Player))),
+
+                // escapeScenario
+                new(OpCodes.Ldloc_1),
+
+                // role
+                new(OpCodes.Ldloc_S, role.LocalIndex),
+
+                // ev.RespawnTickets.Key
+                new(OpCodes.Ldloc_S, ev.LocalIndex),
+                new(OpCodes.Callvirt, PropertyGetter(typeof(EscapingEventArgs), nameof(EscapingEventArgs.RespawnTickets))),
+
+                // EscapedEventArgs ev2 = new(ev.Player, ev.EscapeScenario, role, float, SpawnableTeamType);
+                new(OpCodes.Newobj, GetDeclaredConstructors(typeof(EscapedEventArgs))[0]),
+
+                // Handlers.Player.OnEscaped(ev);
+                new(OpCodes.Call, Method(typeof(Handlers.Player), nameof(Handlers.Player.OnEscaped))),
+            });
+
             newInstructions[newInstructions.Count - 1].WithLabels(returnLabel);
 
             for (int z = 0; z < newInstructions.Count; z++)
@@ -120,6 +158,7 @@ private static void GrantAllTickets(EscapingEventArgs ev)
     /// Replaces last returned <see cref="EscapeScenario.None"/> to <see cref="EscapeScenario.CustomEscape"/>.
     /// </summary>
     [EventPatch(typeof(Handlers.Player), nameof(Handlers.Player.Escaping))]
+    [EventPatch(typeof(Handlers.Player), nameof(Handlers.Player.Escaped))]
     [HarmonyPatch(typeof(Escape), nameof(Escape.ServerGetScenario))]
     internal static class GetScenario
     {
@@ -151,4 +190,4 @@ private static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstructi
             ListPool<CodeInstruction>.Pool.Return(newInstructions);
         }
     }
-}
+}
\ No newline at end of file