From 4bf700621b95a9284756ef44a643a8172ef42161 Mon Sep 17 00:00:00 2001
From: Peter Marton <peter.marton@rockstargames.com>
Date: Mon, 21 Oct 2024 12:14:47 +0200
Subject: [PATCH] fix(game): sync for custom radio stations

---
 .../src/PatchVehicleRadioSync.cpp             | 35 +++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 code/components/gta-core-five/src/PatchVehicleRadioSync.cpp

diff --git a/code/components/gta-core-five/src/PatchVehicleRadioSync.cpp b/code/components/gta-core-five/src/PatchVehicleRadioSync.cpp
new file mode 100644
index 0000000000..bd658b9436
--- /dev/null
+++ b/code/components/gta-core-five/src/PatchVehicleRadioSync.cpp
@@ -0,0 +1,35 @@
+#include <StdInc.h>
+#include <Hooking.h>
+#include <CrossBuildRuntime.h>
+
+static hook::cdecl_stub<void*(int)> GetRadioStationByArrayIndex([]()
+{
+	return hook::get_pattern("3B 0D ? ? ? ? 73 ? 48 8B 05 ? ? ? ? 8B C9");
+});
+
+static hook::cdecl_stub<int(void*)> GetRadioStationArrayIndex([]()
+{
+	return hook::get_pattern("44 8B 05 ? ? ? ? 33 C0 45 85 C0 74 ? 48 8B 15");
+});
+
+void* GetRadioStationByMetaIndex(int idx, int unk)
+{
+	return GetRadioStationByArrayIndex(idx);
+}
+
+int GetRadioStationMetaIndex(void* station, int unk)
+{
+	return GetRadioStationArrayIndex(station);
+}
+
+static HookFunction hookFunction([]()
+{
+	if(xbr::IsGameBuildOrGreater<2944>())
+	{
+		auto location = hook::get_pattern<char>("E8 ? ? ? ? 48 83 BB ? ? ? ? ? 48 8B F0 48 89 83");
+		hook::call(location, GetRadioStationByMetaIndex);
+
+		location = hook::get_pattern<char>("E8 ? ? ? ? 83 C0 ? 89 83");
+		hook::call(location, GetRadioStationMetaIndex);
+	}
+});