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feat: add virtual function invocation via pointer or signature

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This commit is contained in:
Michael
2023-10-14 19:23:06 +10:00
parent 238408e554
commit 1b9053f770
13 changed files with 860 additions and 143 deletions
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27
managed/TestPlugin/TestPlugin.cs
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@@ -19,6 +19,7 @@ using CounterStrikeSharp.API.Core;
using CounterStrikeSharp.API.Core.Attributes;
using CounterStrikeSharp.API.Modules.Commands;
using CounterStrikeSharp.API.Modules.Events;
using CounterStrikeSharp.API.Modules.Memory;
namespace TestPlugin
{
@@ -30,11 +31,27 @@ namespace TestPlugin
public override void Load(bool hotReload)
{
Console.WriteLine($"Test Plugin has been loaded, and the hot reload flag was {hotReload}");
AddCommand("cssharp_info", "A test command", (clientIndex, info) =>
{
Console.WriteLine($"CounterStrikeSharp - a test command was called by {clientIndex} with {info.ArgString}");
});
var server = ValveInterface.Server;
Console.WriteLine($"Found server ptr: {server.Pointer:X}");
// Example vfunc call that usually gets the game event manager pointer
// by calling the func at offset 91 then subtracting 8 from the result pointer.
// This value is asserted against the native code that points to the same function.
var virtualFunc = VirtualFunction.CreateFunc<IntPtr>(server.Pointer, 91);
var result = virtualFunc.Invoke() - 8;
Console.WriteLine($"Result is {result:X}");
// inline void(FASTCALL *ClientPrint)(CBasePlayerController *player, int msg_dest, const char *msg_name, const char *param1, const char *param2, const char *param3, const char *param4);
var sigVirtualFunc = VirtualFunction.Create<IntPtr, int, string, IntPtr, IntPtr, IntPtr, IntPtr>(server.Pointer,
@"\x55\x48\x89\xE5\x41\x57\x49\x89\xCF\x41\x56\x49\x89\xD6\x41\x55\x41\x89\xF5\x41\x54\x4C\x8D\xA5\xA0\xFE\xFF\xFF");
AddCommand("cssharp_info", "A test command",
(clientIndex, info) =>
{
Console.WriteLine(
$"CounterStrikeSharp - a test command was called by {clientIndex} with {info.ArgString}");
});
OnMapStart += args =>
{