From 105fe7f6d5f9f027e77b6c74cff9cf3e9a456b2b Mon Sep 17 00:00:00 2001
From: Yimura <andreas.maerten@scarlet.be>
Date: Mon, 6 Dec 2021 16:39:46 +0100
Subject: [PATCH] feat(Hooks): Added is_dlc_present hook

---
 BigBaseV2/src/hooking.cpp              |  2 ++
 BigBaseV2/src/hooking.hpp              |  2 ++
 BigBaseV2/src/hooks/is_dlc_present.cpp | 17 +++++++++++++++++
 BigBaseV2/src/pointers.cpp             |  6 ++++++
 BigBaseV2/src/pointers.hpp             |  1 +
 README.md                              |  2 +-
 6 files changed, 29 insertions(+), 1 deletion(-)
 create mode 100644 BigBaseV2/src/hooks/is_dlc_present.cpp

diff --git a/BigBaseV2/src/hooking.cpp b/BigBaseV2/src/hooking.cpp
index a9b6c14a..61a63ea9 100644
--- a/BigBaseV2/src/hooking.cpp
+++ b/BigBaseV2/src/hooking.cpp
@@ -50,6 +50,8 @@ namespace big
 
 		// Increment Stat Event
 		m_increment_stat_hook("ISE", g_pointers->m_increment_stat_event, &hooks::increment_stat_event),
+		// Is DLC Present
+		m_is_dlc_present_hook("IDP", g_pointers->m_is_dlc_present, &hooks::is_dlc_present),
 
 		// Error Screen
 		m_error_screen_hook("ES", g_pointers->m_error_screen, &hooks::disable_error_screen),
diff --git a/BigBaseV2/src/hooking.hpp b/BigBaseV2/src/hooking.hpp
index dbde84e5..552cace2 100644
--- a/BigBaseV2/src/hooking.hpp
+++ b/BigBaseV2/src/hooking.hpp
@@ -29,6 +29,7 @@ namespace big
 		static rage::eThreadState gta_thread_kill(GtaThread* thread);
 
 		static bool increment_stat_event(CNetworkIncrementStatEvent* net_event_struct, CNetGamePlayer* sender, int64_t a3);
+		static bool is_dlc_present(Hash dlc_hash);
 
 		static bool received_event(
 			rage::netEventMgr* event_manager,
@@ -82,6 +83,7 @@ namespace big
 		detour_hook m_gta_thread_kill_hook;
 
 		detour_hook m_increment_stat_hook;
+		detour_hook m_is_dlc_present_hook;
 
 		detour_hook m_received_event_hook;
 
diff --git a/BigBaseV2/src/hooks/is_dlc_present.cpp b/BigBaseV2/src/hooks/is_dlc_present.cpp
new file mode 100644
index 00000000..3c7e88dc
--- /dev/null
+++ b/BigBaseV2/src/hooks/is_dlc_present.cpp
@@ -0,0 +1,17 @@
+#include "gta/joaat.hpp"
+#include "hooking.hpp"
+#include "natives.hpp"
+
+namespace big
+{
+	bool hooks::is_dlc_present(Hash dlc_hash)
+	{
+		switch (dlc_hash)
+		{
+		case 0x96F02EE6:
+			return true;
+		}
+
+		return g_hooking->m_is_dlc_present_hook.get_original<decltype(&is_dlc_present)>()(dlc_hash);
+	}
+}
\ No newline at end of file
diff --git a/BigBaseV2/src/pointers.cpp b/BigBaseV2/src/pointers.cpp
index dc86a7fe..892eaa48 100644
--- a/BigBaseV2/src/pointers.cpp
+++ b/BigBaseV2/src/pointers.cpp
@@ -209,6 +209,12 @@ namespace big
 		{
 			m_blame_explode = ptr.as<decltype(m_blame_explode)>();
 		});
+
+		// Is DLC Present
+		main_batch.add("IDP", "48 89 5C 24 ? 57 48 83 EC ? 81 F9", [this](memory::handle ptr)
+		{
+			m_is_dlc_present = ptr.as<decltype(m_is_dlc_present)>();
+		});
 		
 		main_batch.run(memory::module(nullptr));
 
diff --git a/BigBaseV2/src/pointers.hpp b/BigBaseV2/src/pointers.hpp
index f7ba4459..ad08e4ad 100644
--- a/BigBaseV2/src/pointers.hpp
+++ b/BigBaseV2/src/pointers.hpp
@@ -41,6 +41,7 @@ namespace big
 		PVOID m_blame_explode;
 		PVOID m_model_spawn_bypass;
 		PVOID m_native_return;
+		PVOID m_is_dlc_present;
 
 		functions::error_screen* m_error_screen{};
 
diff --git a/README.md b/README.md
index 617d7be3..346fc519 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ I can't confirm if all hooks are correct as the report myself event hook probabl
 
 To set up the build environment, run the following commands in a terminal:
 ```dos
-git clone git@github.com:Yimura/YimMenu.git --recursive
+git clone git@github.com:Yimura/YimMenu.git --recursive || echo You don't have git installed, install it from https://git-scm.com/download/win
 cd YimMenu
 GenerateProjects.bat
 ```