From 2677964fc547d3ef1198ea58561ed29a4b3a9f52 Mon Sep 17 00:00:00 2001
From: MidoriKami <9083275+MidoriKami@users.noreply.github.com>
Date: Sat, 24 Jun 2023 17:24:54 -0700
Subject: [PATCH] Add ICondition (v9) (#1262)

---
 .../Game/ClientState/Conditions/Condition.cs  | 62 ++++++++++---------
 Dalamud/Plugin/Services/ICondition.cs         | 54 ++++++++++++++++
 2 files changed, 87 insertions(+), 29 deletions(-)
 create mode 100644 Dalamud/Plugin/Services/ICondition.cs

diff --git a/Dalamud/Game/ClientState/Conditions/Condition.cs b/Dalamud/Game/ClientState/Conditions/Condition.cs
index f611a01c6..b72c91c74 100644
--- a/Dalamud/Game/ClientState/Conditions/Condition.cs
+++ b/Dalamud/Game/ClientState/Conditions/Condition.cs
@@ -2,6 +2,7 @@ using System;
 
 using Dalamud.IoC;
 using Dalamud.IoC.Internal;
+using Dalamud.Plugin.Services;
 using Serilog;
 
 namespace Dalamud.Game.ClientState.Conditions;
@@ -12,13 +13,16 @@ namespace Dalamud.Game.ClientState.Conditions;
 [PluginInterface]
 [InterfaceVersion("1.0")]
 [ServiceManager.BlockingEarlyLoadedService]
-public sealed partial class Condition : IServiceType
+#pragma warning disable SA1015
+[ResolveVia<ICondition>]
+#pragma warning restore SA1015
+public sealed partial class Condition : IServiceType, ICondition
 {
     /// <summary>
-    /// The current max number of conditions. You can get this just by looking at the condition sheet and how many rows it has.
+    /// Gets the current max number of conditions. You can get this just by looking at the condition sheet and how many rows it has.
     /// </summary>
-    public const int MaxConditionEntries = 104;
-
+    internal const int MaxConditionEntries = 104;
+    
     private readonly bool[] cache = new bool[MaxConditionEntries];
 
     [ServiceManager.ServiceConstructor]
@@ -27,29 +31,17 @@ public sealed partial class Condition : IServiceType
         var resolver = clientState.AddressResolver;
         this.Address = resolver.ConditionFlags;
     }
+    
+    /// <inheritdoc/>
+    public event ICondition.ConditionChangeDelegate? ConditionChange;
 
-    /// <summary>
-    /// A delegate type used with the <see cref="ConditionChange"/> event.
-    /// </summary>
-    /// <param name="flag">The changed condition.</param>
-    /// <param name="value">The value the condition is set to.</param>
-    public delegate void ConditionChangeDelegate(ConditionFlag flag, bool value);
+    /// <inheritdoc/>
+    public int MaxEntries => MaxConditionEntries;
 
-    /// <summary>
-    /// Event that gets fired when a condition is set.
-    /// Should only get fired for actual changes, so the previous value will always be !value.
-    /// </summary>
-    public event ConditionChangeDelegate? ConditionChange;
-
-    /// <summary>
-    /// Gets the condition array base pointer.
-    /// </summary>
+    /// <inheritdoc/>
     public IntPtr Address { get; private set; }
 
-    /// <summary>
-    /// Check the value of a specific condition/state flag.
-    /// </summary>
-    /// <param name="flag">The condition flag to check.</param>
+    /// <inheritdoc/>
     public unsafe bool this[int flag]
     {
         get
@@ -61,14 +53,11 @@ public sealed partial class Condition : IServiceType
         }
     }
 
-    /// <inheritdoc cref="this[int]"/>
-    public unsafe bool this[ConditionFlag flag]
+    /// <inheritdoc/>
+    public bool this[ConditionFlag flag]
         => this[(int)flag];
 
-    /// <summary>
-    /// Check if any condition flags are set.
-    /// </summary>
-    /// <returns>Whether any single flag is set.</returns>
+    /// <inheritdoc/>
     public bool Any()
     {
         for (var i = 0; i < MaxConditionEntries; i++)
@@ -81,6 +70,21 @@ public sealed partial class Condition : IServiceType
 
         return false;
     }
+    
+    /// <inheritdoc/>
+    public bool Any(params ConditionFlag[] flags)
+    {
+        foreach (var flag in flags)
+        {
+            // this[i] performs range checking, so no need to check here
+            if (this[flag]) 
+            {
+                return true;
+            }
+        }
+
+        return false;
+    }
 
     [ServiceManager.CallWhenServicesReady]
     private void ContinueConstruction(Framework framework)
diff --git a/Dalamud/Plugin/Services/ICondition.cs b/Dalamud/Plugin/Services/ICondition.cs
new file mode 100644
index 000000000..9700cef5a
--- /dev/null
+++ b/Dalamud/Plugin/Services/ICondition.cs
@@ -0,0 +1,54 @@
+using Dalamud.Game.ClientState.Conditions;
+
+namespace Dalamud.Plugin.Services;
+
+/// <summary>
+/// Provides access to conditions (generally player state). You can check whether a player is in combat, mounted, etc.
+/// </summary>
+public interface ICondition
+{
+    /// <summary>
+    /// A delegate type used with the <see cref="ConditionChange"/> event.
+    /// </summary>
+    /// <param name="flag">The changed condition.</param>
+    /// <param name="value">The value the condition is set to.</param>
+    public delegate void ConditionChangeDelegate(ConditionFlag flag, bool value);
+    
+    /// <summary>
+    /// Event that gets fired when a condition is set.
+    /// Should only get fired for actual changes, so the previous value will always be !value.
+    /// </summary>
+    public event ConditionChangeDelegate? ConditionChange;
+    
+    /// <summary>
+    /// Gets the current max number of conditions.
+    /// </summary>
+    public int MaxEntries { get; }
+    
+    /// <summary>
+    /// Gets the condition array base pointer.
+    /// </summary>
+    public nint Address { get; }
+    
+    /// <summary>
+    /// Check the value of a specific condition/state flag.
+    /// </summary>
+    /// <param name="flag">The condition flag to check.</param>
+    public bool this[int flag] { get; }
+    
+    /// <inheritdoc cref="this[int]"/>
+    public bool this[ConditionFlag flag] => this[(int)flag];
+
+    /// <summary>
+    /// Check if any condition flags are set.
+    /// </summary>
+    /// <returns>Whether any single flag is set.</returns>
+    public bool Any();
+
+    /// <summary>
+    /// Check if any provided condition flags are set.
+    /// </summary>
+    /// <returns>Whether any single provided flag is set.</returns>
+    /// <param name="flags">The condition flags to check.</param>
+    public bool Any(params ConditionFlag[] flags);
+}