From becffb937736b38ebda3f7541413fdd6941f1921 Mon Sep 17 00:00:00 2001
From: ChillerDragon <ChillerDragon@gmail.com>
Date: Thu, 16 Nov 2023 11:39:55 +0100
Subject: [PATCH] Add sv_gametype and sample mod

---
 CMakeLists.txt                    |  2 ++
 src/game/server/gamecontext.cpp   |  6 +++++-
 src/game/server/gamemodes/mod.cpp | 24 ++++++++++++++++++++++++
 src/game/server/gamemodes/mod.h   | 14 ++++++++++++++
 src/game/variables.h              |  1 +
 5 files changed, 46 insertions(+), 1 deletion(-)
 create mode 100644 src/game/server/gamemodes/mod.cpp
 create mode 100644 src/game/server/gamemodes/mod.h

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2bfabfd29..283d9d28b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2540,6 +2540,8 @@ if(SERVER)
     gamecontroller.h
     gamemodes/DDRace.cpp
     gamemodes/DDRace.h
+    gamemodes/mod.cpp
+    gamemodes/mod.h
     gameworld.cpp
     gameworld.h
     player.cpp
diff --git a/src/game/server/gamecontext.cpp b/src/game/server/gamecontext.cpp
index 9cc1755af..7515fec28 100644
--- a/src/game/server/gamecontext.cpp
+++ b/src/game/server/gamecontext.cpp
@@ -30,6 +30,7 @@
 
 #include "entities/character.h"
 #include "gamemodes/DDRace.h"
+#include "gamemodes/mod.h"
 #include "player.h"
 #include "score.h"
 
@@ -3592,7 +3593,10 @@ void CGameContext::OnInit(const void *pPersistentData)
 		}
 	}
 
-	m_pController = new CGameControllerDDRace(this);
+	if(!str_comp(Config()->m_SvGametype, "mod"))
+		m_pController = new CGameControllerMod(this);
+	else
+		m_pController = new CGameControllerDDRace(this);
 
 	const char *pCensorFilename = "censorlist.txt";
 	IOHANDLE File = Storage()->OpenFile(pCensorFilename, IOFLAG_READ | IOFLAG_SKIP_BOM, IStorage::TYPE_ALL);
diff --git a/src/game/server/gamemodes/mod.cpp b/src/game/server/gamemodes/mod.cpp
new file mode 100644
index 000000000..1c6fc97f7
--- /dev/null
+++ b/src/game/server/gamemodes/mod.cpp
@@ -0,0 +1,24 @@
+#include "mod.h"
+
+// Exchange this to a string that identifies your game mode.
+// DM, TDM and CTF are reserved for teeworlds original modes.
+// DDraceNetwork and TestDDraceNetwork are used by DDNet.
+#define GAME_TYPE_NAME "Mod"
+#define TEST_TYPE_NAME "TestMod"
+
+CGameControllerMod::CGameControllerMod(class CGameContext *pGameServer) :
+	IGameController(pGameServer)
+{
+	m_pGameType = g_Config.m_SvTestingCommands ? TEST_TYPE_NAME : GAME_TYPE_NAME;
+
+	//m_GameFlags = GAMEFLAG_TEAMS; // GAMEFLAG_TEAMS makes it a two-team gamemode
+}
+
+CGameControllerMod::~CGameControllerMod() = default;
+
+void CGameControllerMod::Tick()
+{
+	// this is the main part of the gamemode, this function is run every tick
+
+	IGameController::Tick();
+}
diff --git a/src/game/server/gamemodes/mod.h b/src/game/server/gamemodes/mod.h
new file mode 100644
index 000000000..f74d5306a
--- /dev/null
+++ b/src/game/server/gamemodes/mod.h
@@ -0,0 +1,14 @@
+#ifndef GAME_SERVER_GAMEMODES_MOD_H
+#define GAME_SERVER_GAMEMODES_MOD_H
+
+#include <game/server/gamecontroller.h>
+
+class CGameControllerMod : public IGameController
+{
+public:
+	CGameControllerMod(class CGameContext *pGameServer);
+	~CGameControllerMod();
+
+	void Tick() override;
+};
+#endif // GAME_SERVER_GAMEMODES_MOD_H
diff --git a/src/game/variables.h b/src/game/variables.h
index df9bf9b83..93320fbad 100644
--- a/src/game/variables.h
+++ b/src/game/variables.h
@@ -178,6 +178,7 @@ MACRO_CONFIG_INT(ClSkipStartMenu, cl_skip_start_menu, 0, 0, 1, CFGFLAG_CLIENT |
 // server
 MACRO_CONFIG_INT(SvWarmup, sv_warmup, 0, 0, 0, CFGFLAG_SERVER, "Number of seconds to do warmup before round starts")
 MACRO_CONFIG_STR(SvMotd, sv_motd, 900, "", CFGFLAG_SERVER, "Message of the day to display for the clients")
+MACRO_CONFIG_STR(SvGametype, sv_gametype, 32, "ddnet", CFGFLAG_SAVE | CFGFLAG_SERVER, "Game type (ddnet, mod)")
 MACRO_CONFIG_INT(SvTournamentMode, sv_tournament_mode, 0, 0, 1, CFGFLAG_SERVER, "Tournament mode. When enabled, players joins the server as spectator")
 MACRO_CONFIG_INT(SvSpamprotection, sv_spamprotection, 1, 0, 1, CFGFLAG_SERVER, "Spam protection")