feat(gameevents): OnClientProcessUsercmds

Author: skuzzis

.vscode/c_cpp_properties.json

@@ -4,6 +4,7 @@
             "name": "Win32",
             "includePath": [
                 "${workspaceFolder}/build/swiftly/windows-x86_64/**",
+                "${workspaceFolder}/build/swiftly/linux-x86_64/**",
                 "${workspaceFolder}/alliedmodders/hl2sdk-cs2/**",
                 "${workspaceFolder}/alliedmodders/metamod/**",
                 "${workspaceFolder}/alliedmodders/metamod/core/**",

plugin_files/gamedata/cs2/core/signatures.json

@@ -119,7 +119,7 @@
         "windows": "48 8B 3D ? ? ? ? 48 85 FF 0F 84 ? ? ? ? BE",
         "linux": "4C 8B 35 ? ? ? ? 4D 85 F6 75 ? E9"
     },
-    "CCSPlayer_MovementServices_ProcessUserCmd": {
+    "CCSPlayerController_ProcessUsercmds": {
         "lib": "server",
         "windows": "48 8B C4 44 88 48 20 44 89 40 18 48 89 50 10 53",
         "linux": "55 48 89 E5 41 57 41 56 41 89 D6 41 55 41 54 49 89 FC 53 48 83 EC 38"

src/scripting/engine/gameevents.cpp

@@ -3,8 +3,11 @@
 #include <plugins/manager.h>
 #include <sdk/schema.h>
 #include <sdk/components/CTakeDamageInfo.h>
+#include <network/usermessages/usermessage.h>
+#include <embedder/src/Embedder.h>
 
 #include "ehandle.h"
+#include "cs_usercmd.pb.h"
 
 dyno::ReturnAction CCSPlayerPawnBase_PostThinkPre(dyno::CallbackType type, dyno::IHook& hook)
 {
@@ -143,4 +146,44 @@ dyno::ReturnAction Hook_CBaseEntity_TakeDamage(dyno::CallbackType type, dyno::IH
     return dyno::ReturnAction::Ignored;
 }
 
-FunctionHook CBaseEntity_TakeDamage("CBaseEntity_TakeDamage", dyno::CallbackType::Pre, Hook_CBaseEntity_TakeDamage, "pp", 'v');
+FunctionHook CBaseEntity_TakeDamage("CBaseEntity_TakeDamage", dyno::CallbackType::Pre, Hook_CBaseEntity_TakeDamage, "pp", 'v');
+
+class CUserCmd
+{
+public:
+    [[maybe_unused]] char pad0[0x10];
+    CSGOUserCmdPB cmd;
+    [[maybe_unused]] char pad1[0x38];
+#ifdef _WIN32
+    [[maybe_unused]] char pad2[0x8];
+#endif
+};
+
+dyno::ReturnAction Hook_CCSPlayerController_ProcessUsercmds(dyno::CallbackType type, dyno::IHook& hook)
+{
+    CEntityInstance* controller = (CEntityInstance*)(hook.getArgument<void*>(0));
+    CUserCmd* cmdList = hook.getArgument<CUserCmd*>(1);
+    int numcmds = hook.getArgument<int>(2);
+    bool paused = hook.getArgument<bool>(3);
+    float margin = hook.getArgument<float>(4);
+
+    std::vector<UserMessage*> ums;
+    std::vector<std::any> userMessages;
+
+    for (int i = 0; i < numcmds; i++) {
+        auto um = new UserMessage((google::protobuf::Message*)(&cmdList[i].cmd));
+        ums.push_back(um);
+        userMessages.push_back(new ClassData({ { "um_ptr", um } }, "UserMessage", nullptr));
+    }
+
+    g_pluginManager.ExecuteEvent("core", "OnClientProcessUsercmds", { controller->m_pEntity->m_EHandle.GetEntryIndex() - 1, userMessages, numcmds, paused, margin }, {});
+
+    for (int i = 0; i < numcmds; i++) {
+        delete ums[i];
+        delete std::any_cast<ClassData*>(userMessages[i]);
+    }
+
+    return dyno::ReturnAction::Ignored;
+}
+
+FunctionHook CCSPlayerController_ProcessUsercmds("CCSPlayerController_ProcessUsercmds", dyno::CallbackType::Pre, Hook_CCSPlayerController_ProcessUsercmds, "ppibf", 'p');