Added changes to outside code.

Without this workaround my fps occasionally exceeds 1500 or even 2000 fps.

src/client/component/dvar_cheats.cpp

@@ -5,6 +5,7 @@
 #include "game/dvars.hpp"
 
 #include "console.hpp"
+#include "demo_playback.hpp"
 
 #include <utils/hook.hpp>
 #include <utils/string.hpp>
@@ -13,6 +14,12 @@ namespace dvar_cheats
 {
 	void apply_sv_cheats(const game::dvar_t* dvar, const game::DvarSetSource source, game::dvar_value* value)
 	{
+		// return early because sv_cheats is enabled when playing back demos
+		if (demo_playback::playing())
+		{
+			return;
+		}
+
 		if (dvar && dvar->name == "sv_cheats"s)
 		{
 			// if dedi, do not allow internal to change value so servers can allow cheats if they want to

src/client/component/fps.cpp

@@ -1,5 +1,6 @@
 #include <std_include.hpp>
 #include "loader/component_loader.hpp"
+#include "fps.hpp"
 #include "scheduler.hpp"
 
 #include "game/game.hpp"
@@ -74,6 +75,23 @@ namespace fps
 			++data->index;
 		}
 
+		void enforce_fps_limit()
+		{
+			const auto* maxfps = game::Dvar_FindVar("com_maxfps");
+			const auto max = (maxfps) ? std::min(2 * maxfps->current.integer, maxfps->domain.integer.max + 250) : 1250;
+			const auto fps = static_cast<std::int32_t>(static_cast<float>(1000.0f /
+				static_cast<float>(cg_perf.average)) + 9.313225746154785e-10);
+
+			if (fps > max)
+			{
+				// workaround to limit fps
+				scheduler::once([]()
+				{
+					std::this_thread::sleep_for(std::chrono::milliseconds(5));
+				}, scheduler::pipeline::renderer);
+			}
+		}
+
 		void perf_update()
 		{
 			cg_perf.count = 32;
@@ -84,6 +102,7 @@ namespace fps
 			cg_perf.previous_ms = cg_perf.current_ms;
 
 			perf_calc_fps(&cg_perf, cg_perf.frame_ms);
+			enforce_fps_limit();
 
 			utils::hook::invoke<void>(SELECT_VALUE(0x1405806E0, 0x140658E30));
 		}
@@ -155,6 +174,11 @@ namespace fps
 		}
 	}
 
+	float get_avg_fps()
+	{
+		return 1000.0f / (cg_perf.average + std::numeric_limits<float>::epsilon());
+	}
+
 	class component final : public component_interface
 	{
 	public:

src/client/component/fps.hpp

@@ -0,0 +1,6 @@
+#pragma once
+
+namespace fps
+{
+	[[nodiscard]] float get_avg_fps();
+}

src/client/component/party.cpp

@@ -83,6 +83,12 @@ namespace party
 		});
 	}
 
+	void connect_to_dummy_party(const std::string& mapname, const std::string& gametype)
+	{
+		const game::netadr_t dummy_target{};
+		connect_to_party(dummy_target, mapname, gametype);
+	}
+
 	void switch_gamemode_if_necessary(const std::string& gametype)
 	{
 		const auto target_mode = gametype == "aliens" ? game::CODPLAYMODE_ALIENS : game::CODPLAYMODE_CORE;

src/client/component/party.hpp

@@ -2,6 +2,8 @@
 
 namespace party
 {
+	void connect_to_dummy_party(const std::string& mapname, const std::string& gametype);
+
 	void switch_gamemode_if_necessary(const std::string& gametype);
 	void perform_game_initialization();