Automatic clientside demo recording

.gitignore

@@ -43,6 +43,9 @@ out
 /game/neo/mapsrc/*.prt
 /game/neo/mapsrc/*.vmx
 
+# Demos
+*.dem
+
 # MP3 Player
 /game/neo/resource/mp3player_db.txt
 /game/neo/resource/mp3settings.txt

src/game/shared/neo/neo_gamerules.cpp

@@ -1,6 +1,7 @@
 #include "cbase.h"
 #include "neo_gamerules.h"
 #include "neo_version_info.h"
+#include "neo_misc.h"
 #include "in_buttons.h"
 #include "ammodef.h"
 
@@ -28,7 +29,6 @@
 #include "player_resource.h"
 #include "inetchannelinfo.h"
 #include "neo_dm_spawn.h"
-#include "neo_misc.h"
 #include "neo_game_config.h"
 #include "nav_mesh.h"
 
@@ -138,6 +138,10 @@ ConVar sv_neo_pausematch_unpauseimmediate("sv_neo_pausematch_unpauseimmediate",
 ConVar sv_neo_readyup_countdown("sv_neo_readyup_countdown", "5", FCVAR_REPLICATED, "Set the countdown from fully ready to start of match in seconds.", true, 0.0f, true, 120.0f);
 ConVar sv_neo_ghost_spawn_bias("sv_neo_ghost_spawn_bias", "0", FCVAR_REPLICATED, "Spawn ghost in the same location as the previous round on odd-indexed rounds (Round 1 = index 0)", true, 0, true, 1);
 ConVar sv_neo_juggernaut_spawn_bias("sv_neo_juggernaut_spawn_bias", "0", FCVAR_REPLICATED, "Spawn juggernaut in the same location as the previous round on odd-indexed rounds (Round 1 = index 0)", true, 0, true, 1);
+ConVar sv_neo_client_autorecord("sv_neo_client_autorecord", "0", FCVAR_REPLICATED | FCVAR_DONTRECORD, "Record demos clientside", true, 0, true, 1);
+#ifdef CLIENT_DLL
+ConVar cl_neo_client_autorecord_allow("cl_neo_client_autorecord_allow", "1", FCVAR_ARCHIVE, "Allow servers to automatically record demos on the client", true, 0, true, 1);
+#endif
 
 static void neoSvCompCallback(IConVar* var, const char* pOldValue, float flOldValue)
 {
@@ -148,6 +152,7 @@ static void neoSvCompCallback(IConVar* var, const char* pOldValue, float flOldVa
 	sv_neo_pausematch_enabled.SetValue(bCurrentValue);
 	sv_neo_ghost_spawn_bias.SetValue(bCurrentValue);
 	sv_neo_juggernaut_spawn_bias.SetValue(bCurrentValue);
+	sv_neo_client_autorecord.SetValue(bCurrentValue);
 }
 
 ConVar sv_neo_comp("sv_neo_comp", "0", FCVAR_REPLICATED, "Enables competitive gamerules", true, 0.f, true, 1.f
@@ -156,6 +161,8 @@ ConVar sv_neo_comp("sv_neo_comp", "0", FCVAR_REPLICATED, "Enables competitive ga
 	#endif // GAME_DLL
 );
 
+ConVar sv_neo_comp_name("sv_neo_comp_name", "", FCVAR_REPLICATED, "Name of the competition. Leave blank if unused.");
+
 #ifdef CLIENT_DLL
 extern ConVar snd_victory_volume;
 void sndVictoryVolumeChangeCallback(IConVar* cvar [[maybe_unused]], const char* pOldVal [[maybe_unused]], float flOldVal [[maybe_unused]])
@@ -526,6 +533,7 @@ CNEORules::CNEORules()
 
 	ResetMapSessionCommon();
 	ListenForGameEvent("round_start");
+	ListenForGameEvent("game_end");
 
 #ifdef GAME_DLL
 	weaponstay.InstallChangeCallback(CvarChanged_WeaponStay);
@@ -1589,6 +1597,13 @@ void CNEORules::SetWinningDMPlayer(CNEO_Player *pWinner)
 	}
 
 	GoToIntermission();
+
+	IGameEvent *event = gameeventmanager->CreateEvent("game_end");
+	if (event)
+	{
+		event->SetInt("winner", pWinner->GetUserID());
+		gameeventmanager->FireEvent(event);
+	}
 }
 #endif
 
@@ -1738,10 +1753,25 @@ void CNEORules::FireGameEvent(IGameEvent* event)
 #ifdef CLIENT_DLL
 		engine->ClientCmd("r_cleardecals");
 		engine->ClientCmd("classmenu");
+
+		if (!engine->IsRecordingDemo() && sv_neo_client_autorecord.GetBool() && cl_neo_client_autorecord_allow.GetBool())
+		{
+			StartAutoClientRecording();
+		}
 #endif
 		m_flNeoRoundStartTime = gpGlobals->curtime;
 		m_flNeoNextRoundStartTime = 0;
 	}
+
+#ifdef CLIENT_DLL
+	if (Q_strcmp(type, "game_end") == 0)
+	{
+		if (sv_neo_client_autorecord.GetBool() && cl_neo_client_autorecord_allow.GetBool())
+		{
+			engine->StopDemoRecording();
+		}
+	}
+#endif
 }
 
 #ifdef GAME_DLL
@@ -3544,6 +3574,13 @@ void CNEORules::SetWinningTeam(int team, int iWinReason, bool bForceMapReset, bo
 		{
 			GoToIntermission();
 		}
+
+		IGameEvent *event = gameeventmanager->CreateEvent("game_end");
+		if (event)
+		{
+			event->SetInt("winner", team);
+			gameeventmanager->FireEvent(event);
+		}
 	}
 }
 #endif

src/game/shared/neo/neo_misc.cpp

@@ -1,5 +1,16 @@
 #include "neo_misc.h"
 
+#ifdef CLIENT_DLL
+#include "steamclientpublic.h"
+#include "vgui/ISystem.h"
+#include "tier3.h"
+#include <filesystem.h>
+
+extern ConVar sv_neo_comp_name;
+
+#define DEMOS_DIRECTORY_NAME "demos"
+#endif
+
 [[nodiscard]] bool InRect(const vgui::IntRect &rect, const int x, const int y)
 {
 	return IN_BETWEEN_EQ(rect.x0, x, rect.x1) && IN_BETWEEN_EQ(rect.y0, y, rect.y1);
@@ -22,3 +33,54 @@
 {
 	return LoopAroundMinMax(iValue, 0, iSize - 1);
 }
+
+#ifdef CLIENT_DLL
+void StartAutoClientRecording()
+{
+	// SteamID
+	char steamSection[64];
+	const CSteamID steamID = GetSteamIDForPlayerIndex(GetLocalPlayerIndex());
+	if (steamID.IsValid())
+	{
+		auto accountID = steamID.GetAccountID();
+		V_snprintf(steamSection, sizeof(steamSection), "%d", accountID);
+	}
+	else
+	{
+		V_strncpy(steamSection, "nosteamid", sizeof(steamSection));
+	}
+
+	// Map name
+	char mapSection[256];
+	V_strncpy(mapSection, GameRules()->MapName(), sizeof(mapSection));
+
+	// Time and date
+	char timeSection[16];
+	int year, month, dayOfWeek, day, hour, minute, second;
+	g_pVGuiSystem->GetCurrentTimeAndDate(&year, &month, &dayOfWeek, &day, &hour, &minute, &second);
+	V_snprintf(timeSection, sizeof(timeSection), "%04d%02d%02d-%02d%02d", year, month, day, hour, minute);
+
+	// Competition name
+	char compSection[32];
+	V_strncpy(compSection, sv_neo_comp_name.GetString(), sizeof(compSection));
+
+	// Build the filename
+	char replayName[MAX_PATH];
+
+	if (compSection[0] != '\0')
+	{
+		V_snprintf(replayName, sizeof(replayName), "%s_%s_%s_%s", compSection, timeSection, mapSection, steamSection);
+	}
+	else
+	{
+		V_snprintf(replayName, sizeof(replayName), "%s_%s_%s", timeSection, mapSection, steamSection);
+	}
+
+	if (!g_pFullFileSystem->IsDirectory(DEMOS_DIRECTORY_NAME))
+	{
+		g_pFullFileSystem->CreateDirHierarchy(DEMOS_DIRECTORY_NAME);
+	}
+
+	engine->StartDemoRecording(replayName, DEMOS_DIRECTORY_NAME); // Start recording
+}
+#endif

src/game/shared/neo/neo_misc.h

@@ -20,3 +20,7 @@ struct SZWSZTexts
 };
 #define SZWSZ_INIT(STR) {.szStr = STR, .wszStr = L"" STR}
 #define X_SZWSZ_INIT(STR) SZWSZ_INIT(STR)
+
+#ifdef CLIENT_DLL
+void StartAutoClientRecording();
+#endif