Graceful Landing (#2660)

src/backend/commands/self/graceful_landing.cpp

@@ -0,0 +1,6 @@
+#include "backend/bool_command.hpp"
+
+namespace big
+{
+	bool_command g_graceful_landing("gracefullanding", "GRACEFUL_LANDING", "GRACEFUL_LANDING_DESC", g.self.graceful_landing);
+}

src/core/settings.hpp

@@ -341,6 +341,7 @@ namespace big
 			bool auto_tp                      = false;
 			bool super_jump                   = false;
 			bool beast_jump                   = false;
+			bool graceful_landing			  = false;	
 			bool healthregen                  = false;
 			float healthregenrate             = 1.0f;
 			bool superman                     = false;

src/gta/enums.hpp

@@ -1974,6 +1974,23 @@ enum class eTaskTypeIndex
 	CTaskAnimatedFallback                                                = 530
 };
 
+enum class eTaskFlags
+{
+	ParachuteWhenCoordThresholdIsReached = 1 << 3,
+	CamShakeOnFall = 1 << 4,
+	PlayRagdollAnim = 1 << 5,
+	PlayDiveAnim = 1 << 7,
+	NoFallAnimation = 1 << 10,
+	NoSlowFall = 1 << 11,
+	Unk12 = 1 << 12,
+	SuperJump = 1 << 15,
+	LandOnJump = 1 << 16,
+	BeastJump = 1 << 17,
+	BeastJumpWithSuper = SuperJump | BeastJump,
+	GracefulLanding = NoFallAnimation | NoSlowFall | Unk12 | LandOnJump,
+	RagdollOnFall = BeastJump | PlayRagdollAnim
+};
+
 enum class eDoorId
 {
 	VEH_EXT_DOOR_INVALID_ID = -1,

src/gta_pointers.hpp

@@ -277,6 +277,7 @@ namespace big
 		PVOID m_allow_weapons_in_vehicle;
 
 		PVOID m_taskjump_constructor;
+		PVOID m_taskfall_constructor;
 
 		PVOID m_write_vehicle_proximity_migration_data_node;
 		functions::migrate_object m_migrate_object;

src/hooking/hooking.cpp

@@ -115,6 +115,8 @@ namespace big
 
 		detour_hook_helper::add<hooks::task_jump_constructor>("TJC", g_pointers->m_gta.m_taskjump_constructor);
 
+		detour_hook_helper::add<hooks::task_fall_constructor>("TFC", g_pointers->m_gta.m_taskfall_constructor);
+
 		detour_hook_helper::add<hooks::enumerate_audio_devices>("EAD", g_pointers->m_gta.m_enumerate_audio_devices);
 		detour_hook_helper::add<hooks::direct_sound_capture_create>("DSCC", g_pointers->m_gta.m_direct_sound_capture_create);
 

src/hooking/hooking.hpp

@@ -151,6 +151,8 @@ namespace big
 
 		static __int64 task_jump_constructor(uint64_t a1, int a2);
 
+		static void* task_fall_constructor(uint64_t a1, int a2);
+
 		static CBaseModelInfo* get_model_info(rage::joaat_t hash, uint32_t* a2);
 
 		static int enumerate_audio_devices(CFoundDevice* found_devices, int count, int flags);

src/hooks/misc/task_fall_constructor.cpp

@@ -0,0 +1,14 @@
+#include "gta/enums.hpp"
+#include "hooking/hooking.hpp"
+
+namespace big
+{
+	void* hooks::task_fall_constructor(uint64_t a1, int a2)
+	{
+		if (g.self.graceful_landing)
+		{
+			a2 |= (int)eTaskFlags::GracefulLanding;
+		}
+		return g_hooking->get_original<task_fall_constructor>()(a1, a2);
+	}
+}

src/hooks/misc/task_jump_constructor.cpp

@@ -1,3 +1,4 @@
+#include "gta/enums.hpp"
 #include "hooking/hooking.hpp"
 
 namespace big
@@ -5,9 +6,9 @@ namespace big
 	__int64 hooks::task_jump_constructor(uint64_t a1, int a2)
 	{
 		if (g.self.super_jump)
-			a2 |= 1 << 15;
+			a2 |= (int)eTaskFlags::SuperJump;
 		if (g.self.beast_jump)
-			a2 |= (1 << 15) | (1 << 17);
+			a2 |= (int)eTaskFlags::BeastJumpWithSuper;
 		return g_hooking->get_original<task_jump_constructor>()(a1, a2);
 	}
 }

src/pointers.cpp

@@ -1267,6 +1267,15 @@ namespace big
                 g_pointers->m_gta.m_taskjump_constructor = ptr.as<PVOID>();
             }
         },
+        // Task Fall Constructor
+        {
+            "TFC",
+            "E8 ? ? ? ? B3 04 08 98 A0",
+            [](memory::handle ptr)
+            {
+                g_pointers->m_gta.m_taskfall_constructor = ptr.add(1).rip().as<PVOID>();
+            }
+        },
         // NetFilter Handle Message
         {
             "NHM",

src/views/self/view_self.cpp

@@ -40,6 +40,7 @@ namespace big
 		components::command_checkbox<"invis">();
 		if (g.self.invisibility)
 			components::command_checkbox<"localvis">(); // TODO: does nothing in SP
+		components::command_checkbox<"gracefullanding">();
 
 		// clang-format off
 		ImGui::BeginDisabled(!*g_pointers->m_gta.m_is_session_started ||