Restore cg_thirdperson

src/client/component/thirdperson.cpp

@@ -0,0 +1,84 @@
+#include <std_include.hpp>
+#include "loader/component_loader.hpp"
+
+#include "game/game.hpp"
+#include "game/dvars.hpp"
+
+#include "scheduler.hpp"
+
+#include <utils/hook.hpp>
+
+namespace thirdperson
+{
+	namespace
+	{
+		game::dvar_t* cg_thirdPerson = nullptr;
+		game::dvar_t* cg_thirdPersonRange = nullptr;
+		game::dvar_t* cg_thirdPersonAngle = nullptr;
+
+		namespace mp
+		{
+			__int64 sub_1D5950_stub([[maybe_unused]] int local_client_num, game::mp::cg_s* a2)
+			{
+				auto next_snap = a2->nextSnap;
+				if (next_snap->ps.pm_type < 7u)
+				{
+					int link_flags = next_snap->ps.linkFlags;
+					if ((link_flags & 2) == 0 && (next_snap->ps.otherFlags & 4) == 0)
+					{
+						auto client_globals = a2;
+						if (!client_globals->unk2 || !client_globals->unk3)
+						{
+							if (cg_thirdPerson && cg_thirdPerson->current.enabled)
+							{
+								return 1;
+							}
+
+							if (!(link_flags & (1 << 0xE)) || client_globals->unk3)
+								return (link_flags >> 27) & 1;
+							if (link_flags & (1 << 0x1D))
+								return 0;
+							if (!(link_flags & (1 << 0x1C)))
+								return a2->unk1;
+						}
+					}
+				}
+				return 1;
+			}
+
+			void sub_10C280_stub(int local_client_num, float angle, float range, int a4, int a5, int a6, int a7)
+			{
+				angle = cg_thirdPersonAngle->current.value;
+				range = cg_thirdPersonRange->current.value;
+				utils::hook::invoke<void>(0x10C280_b, local_client_num, angle, range, a4, a5, a6, a7);
+			}
+		}
+		
+	}
+
+	class component final : public component_interface
+	{
+	public:
+		void post_unpack() override
+		{
+			if (!game::environment::is_mp())
+			{
+				return;
+			}
+
+			scheduler::once([]()
+			{
+				cg_thirdPerson = dvars::register_bool("cg_thirdPerson", 0, 4, "Use third person view");
+				cg_thirdPersonAngle = dvars::register_float("cg_thirdPersonAngle", 356.0f, -180.0f, 360.0f, 4,
+					"The angle of the camera from the player in third person view");
+				cg_thirdPersonRange = dvars::register_float("cg_thirdPersonRange", 120.0f, 0.0f, 1024, 4,
+					"The range of the camera from the player in third person view");
+			}, scheduler::main);
+
+			utils::hook::jump(0x1D5950_b, mp::sub_1D5950_stub);
+			utils::hook::call(0x10C26B_b, mp::sub_10C280_stub);
+		}
+	};
+}
+
+REGISTER_COMPONENT(thirdperson::component)