feat: add Convar<T> for real convar creation/deletion/access

CMakeLists.txt

@@ -77,6 +77,7 @@ set(SOURCE_FILES
     src/core/managers/con_command_manager.cpp
     src/core/managers/con_command_manager.h
     src/scripting/natives/natives_commands.cpp
+    src/scripting/natives/natives_convars.cpp
     src/core/memory_module.h
     src/core/memory_module.cpp
     src/core/cs2_sdk/interfaces/cgameresourceserviceserver.h

managed/CounterStrikeSharp.API/Core/API.cs

@@ -218,6 +218,146 @@ public static void ReplicateConvar(int clientslot, string convarname, string con
 			}
 		}
 
+        public static void SetConvarFlags(ushort convar, ulong flags){
+			lock (ScriptContext.GlobalScriptContext.Lock) {
+			ScriptContext.GlobalScriptContext.Reset();
+			ScriptContext.GlobalScriptContext.Push(convar);
+			ScriptContext.GlobalScriptContext.Push(flags);
+			ScriptContext.GlobalScriptContext.SetIdentifier(0xB2BDCCBF);
+			ScriptContext.GlobalScriptContext.Invoke();
+			ScriptContext.GlobalScriptContext.CheckErrors();
+			}
+		}
+
+        public static ulong GetConvarFlags(ushort convar){
+			lock (ScriptContext.GlobalScriptContext.Lock) {
+			ScriptContext.GlobalScriptContext.Reset();
+			ScriptContext.GlobalScriptContext.Push(convar);
+			ScriptContext.GlobalScriptContext.SetIdentifier(0x94829E2B);
+			ScriptContext.GlobalScriptContext.Invoke();
+			ScriptContext.GlobalScriptContext.CheckErrors();
+			return (ulong)ScriptContext.GlobalScriptContext.GetResult(typeof(ulong));
+			}
+		}
+
+        public static short GetConvarType(ushort convar){
+			lock (ScriptContext.GlobalScriptContext.Lock) {
+			ScriptContext.GlobalScriptContext.Reset();
+			ScriptContext.GlobalScriptContext.Push(convar);
+			ScriptContext.GlobalScriptContext.SetIdentifier(0xB6E0E54C);
+			ScriptContext.GlobalScriptContext.Invoke();
+			ScriptContext.GlobalScriptContext.CheckErrors();
+			return (short)ScriptContext.GlobalScriptContext.GetResult(typeof(short));
+			}
+		}
+
+        public static string GetConvarName(ushort convar){
+			lock (ScriptContext.GlobalScriptContext.Lock) {
+			ScriptContext.GlobalScriptContext.Reset();
+			ScriptContext.GlobalScriptContext.Push(convar);
+			ScriptContext.GlobalScriptContext.SetIdentifier(0xB6F0E2F3);
+			ScriptContext.GlobalScriptContext.Invoke();
+			ScriptContext.GlobalScriptContext.CheckErrors();
+			return (string)ScriptContext.GlobalScriptContext.GetResult(typeof(string));
+			}
+		}
+
+        public static string GetConvarHelpText(ushort convar){
+			lock (ScriptContext.GlobalScriptContext.Lock) {
+			ScriptContext.GlobalScriptContext.Reset();
+			ScriptContext.GlobalScriptContext.Push(convar);
+			ScriptContext.GlobalScriptContext.SetIdentifier(0x341D1F67);
+			ScriptContext.GlobalScriptContext.Invoke();
+			ScriptContext.GlobalScriptContext.CheckErrors();
+			return (string)ScriptContext.GlobalScriptContext.GetResult(typeof(string));
+			}
+		}
+
+        public static ushort GetConvarAccessIndexByName(string name){
+			lock (ScriptContext.GlobalScriptContext.Lock) {
+			ScriptContext.GlobalScriptContext.Reset();
+			ScriptContext.GlobalScriptContext.Push(name);
+			ScriptContext.GlobalScriptContext.SetIdentifier(0x6288420D);
+			ScriptContext.GlobalScriptContext.Invoke();
+			ScriptContext.GlobalScriptContext.CheckErrors();
+			return (ushort)ScriptContext.GlobalScriptContext.GetResult(typeof(ushort));
+			}
+		}
+
+        public static T GetConvarValue<T>(ushort convar){
+			lock (ScriptContext.GlobalScriptContext.Lock) {
+			ScriptContext.GlobalScriptContext.Reset();
+			ScriptContext.GlobalScriptContext.Push(convar);
+			ScriptContext.GlobalScriptContext.SetIdentifier(0x935B2E9F);
+			ScriptContext.GlobalScriptContext.Invoke();
+			ScriptContext.GlobalScriptContext.CheckErrors();
+			return (T)ScriptContext.GlobalScriptContext.GetResult(typeof(T));
+			}
+		}
+
+        public static string GetConvarValueAsString(ushort convar){
+			lock (ScriptContext.GlobalScriptContext.Lock) {
+			ScriptContext.GlobalScriptContext.Reset();
+			ScriptContext.GlobalScriptContext.Push(convar);
+			ScriptContext.GlobalScriptContext.SetIdentifier(0x5CC184F8);
+			ScriptContext.GlobalScriptContext.Invoke();
+			ScriptContext.GlobalScriptContext.CheckErrors();
+			return (string)ScriptContext.GlobalScriptContext.GetResult(typeof(string));
+			}
+		}
+
+        public static void SetConvarValueAsString(ushort convar, string value){
+			lock (ScriptContext.GlobalScriptContext.Lock) {
+			ScriptContext.GlobalScriptContext.Reset();
+			ScriptContext.GlobalScriptContext.Push(convar);
+			ScriptContext.GlobalScriptContext.Push(value);
+			ScriptContext.GlobalScriptContext.SetIdentifier(0x5EF52D6C);
+			ScriptContext.GlobalScriptContext.Invoke();
+			ScriptContext.GlobalScriptContext.CheckErrors();
+			}
+		}
+
+        public static object SetConvarValue<T>(ushort convar, T value){
+			lock (ScriptContext.GlobalScriptContext.Lock) {
+			ScriptContext.GlobalScriptContext.Reset();
+			ScriptContext.GlobalScriptContext.Push(convar);
+			ScriptContext.GlobalScriptContext.Push(value);
+			ScriptContext.GlobalScriptContext.SetIdentifier(0xB3DDAA0B);
+			ScriptContext.GlobalScriptContext.Invoke();
+			ScriptContext.GlobalScriptContext.CheckErrors();
+			return (object)ScriptContext.GlobalScriptContext.GetResult(typeof(object));
+			}
+		}
+
+        public static ushort CreateConvar<T>(string name, short type, string helptext, ulong flags, bool hasmin, bool hasmax, T defaultvalue, T minvalue, T maxvalue){
+			lock (ScriptContext.GlobalScriptContext.Lock) {
+			ScriptContext.GlobalScriptContext.Reset();
+			ScriptContext.GlobalScriptContext.Push(name);
+			ScriptContext.GlobalScriptContext.Push(type);
+			ScriptContext.GlobalScriptContext.Push(helptext);
+			ScriptContext.GlobalScriptContext.Push(flags);
+			ScriptContext.GlobalScriptContext.Push(hasmin);
+			ScriptContext.GlobalScriptContext.Push(hasmax);
+			ScriptContext.GlobalScriptContext.Push(defaultvalue);
+			ScriptContext.GlobalScriptContext.Push(minvalue);
+			ScriptContext.GlobalScriptContext.Push(maxvalue);
+			ScriptContext.GlobalScriptContext.SetIdentifier(0xF22079B9);
+			ScriptContext.GlobalScriptContext.Invoke();
+			ScriptContext.GlobalScriptContext.CheckErrors();
+			return (ushort)ScriptContext.GlobalScriptContext.GetResult(typeof(ushort));
+			}
+		}
+
+        public static void DeleteConvar(ushort convar){
+			lock (ScriptContext.GlobalScriptContext.Lock) {
+			ScriptContext.GlobalScriptContext.Reset();
+			ScriptContext.GlobalScriptContext.Push(convar);
+			ScriptContext.GlobalScriptContext.SetIdentifier(0xFC28F444);
+			ScriptContext.GlobalScriptContext.Invoke();
+			ScriptContext.GlobalScriptContext.CheckErrors();
+			}
+		}
+
         public static string GetStringFromSymbolLarge(IntPtr pointer){
 			lock (ScriptContext.GlobalScriptContext.Lock) {
 			ScriptContext.GlobalScriptContext.Reset();

managed/CounterStrikeSharp.API/Core/BasePlugin.cs

@@ -129,6 +129,8 @@
         internal readonly Dictionary<Delegate, EntityIO.EntityOutputCallback> EntitySingleOutputHooks =
             new Dictionary<Delegate, EntityIO.EntityOutputCallback>();
 
+        internal readonly List<ConVarBase> ConVars = [];
+
         public readonly List<CommandDefinition> CommandDefinitions = new List<CommandDefinition>();
 
         public readonly List<Timer> Timers = new List<Timer>();
@@ -367,6 +369,7 @@
             this.RegisterAttributeHandlers(instance);
             this.RegisterConsoleCommandAttributeHandlers(instance);
             this.RegisterEntityOutputAttributeHandlers(instance);
+            this.RegisterConVars(instance);
             this.RegisterFakeConVars(instance);
         }
 
@@ -498,7 +501,7 @@
             }
         }
 
         public void RegisterFakeConVars(Type type, object instance = null)
         {
             var convars = type
                 .GetFields(BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static)
@@ -524,6 +527,19 @@
                 });
             }
         }
+
+        public void RegisterConVars(Type type, object instance = null)
+        {
+            var convars = type
+                .GetFields(BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static)
+                .Where(prop => prop.FieldType.IsGenericType && 
+                               prop.FieldType.GetGenericTypeDefinition() == typeof(ConVar<>));
+
+            foreach (var prop in convars)
+            {
+                ConVars.Add(prop.GetValue(instance) as ConVarBase); // ConVar<?> instance
+            }
+        }
 
         /// <summary>
         /// Used to bind a fake ConVar to a plugin command. Only required for ConVars that are not public properties of the plugin class.
@@ -535,6 +551,10 @@
             RegisterFakeConVars(instance.GetType(), instance);
         }
 
+        public void RegisterConVars(object instance) {
+            RegisterConVars(instance.GetType(), instance);
+        }
+
         /// <summary>
         /// Hooks an <a href="https://developer.valvesoftware.com/wiki/Inputs_and_Outputs">entity output</a>.
         /// </summary>
@@ -657,6 +677,11 @@
                 subscriber.Dispose();
             }
 
+            foreach (var convar in ConVars)
+            {
+                convar.Delete();
+            }
+
             foreach (var definition in CommandDefinitions)
             {
                 CommandManager.RemoveCommand(definition);

managed/CounterStrikeSharp.API/Modules/Cvars/ConVar.cs

@@ -4,6 +4,7 @@
 
 namespace CounterStrikeSharp.API.Modules.Cvars;
 
+[Obsolete("Use ConVar<T> instead for type-safe access to ConVars.")]
 public class ConVar
 {
     public IntPtr Handle { get; }
@@ -127,7 +128,7 @@ public string StringValue
                 throw new InvalidOperationException(
                     $"ConVar is a {Type} but you are trying to get a string value.");
             }
-            
+
             NativeAPI.SetConvarStringValue(Handle, value);
         }
     }