Add bot_mimic

regamedll/dlls/bot/cs_bot_init.cpp

@@ -62,6 +62,8 @@ cvar_t cv_bot_deathmatch             = { "bot_deathmatch", "0", FCVAR_SERVER, 0.
 cvar_t cv_bot_quota_mode             = { "bot_quota_mode", "normal", FCVAR_SERVER, 0.0f, nullptr };
 cvar_t cv_bot_join_delay             = { "bot_join_delay", "0", FCVAR_SERVER, 0.0f, nullptr };
 cvar_t cv_bot_freeze                 = { "bot_freeze", "0", 0, 0.0f, nullptr };
+cvar_t cv_bot_mimic                  = { "bot_mimic", "0", 0, 0.0f, nullptr };
+cvar_t cv_bot_mimic_yaw_offset       = { "bot_mimic_yaw_offset", "0", 0, 0.0f, nullptr };
 #else
 // Migrated to bot_quota_mode, use "match"
 cvar_t cv_bot_quota_match            = { "bot_quota_match", "0", FCVAR_SERVER, 0.0f, nullptr };
@@ -131,6 +133,8 @@ void Bot_RegisterCVars()
 	CVAR_REGISTER(&cv_bot_quota_mode);
 	CVAR_REGISTER(&cv_bot_join_delay);
 	CVAR_REGISTER(&cv_bot_freeze);
+	CVAR_REGISTER(&cv_bot_mimic);
+	CVAR_REGISTER(&cv_bot_mimic_yaw_offset);
 #endif
 
 }

regamedll/dlls/bot/cs_bot_init.h

@@ -62,6 +62,8 @@ extern cvar_t cv_bot_deathmatch;
 extern cvar_t cv_bot_quota_mode;
 extern cvar_t cv_bot_join_delay;
 extern cvar_t cv_bot_freeze;
+extern cvar_t cv_bot_mimic;
+extern cvar_t cv_bot_mimic_yaw_offset;
 #else
 extern cvar_t cv_bot_quota_match;
 #endif

regamedll/dlls/bot/cs_bot_manager.cpp

@@ -758,6 +758,23 @@ void CCSBotManager::ServerCommand(const char *pcmd)
 
 BOOL CCSBotManager::ClientCommand(CBasePlayer *pPlayer, const char *pcmd)
 {
+#ifdef REGAMEDLL_ADD
+	if (pPlayer->IsBot())
+		return FALSE;
+
+	if (cv_bot_mimic.value == pPlayer->entindex())
+	{
+		// Bots mimic our client commands
+		ForEachPlayer([pPlayer, pcmd](CBasePlayer *bot)
+		{
+			if (pPlayer != bot && bot->IsBot())
+				bot->ClientCommand(pcmd, CMD_ARGV_(1));
+
+			return true;
+		});
+	}
+#endif
+
 	return FALSE;
 }
 

regamedll/dlls/bot/cs_bot_statemachine.cpp

@@ -299,6 +299,12 @@ void CCSBot::Attack(CBasePlayer *victim)
 	if (cv_bot_zombie.value != 0.0f)
 		return;
 
+#ifdef REGAMEDLL_ADD
+	// If mimicing the player, don't attack state
+	if (cv_bot_mimic.value)
+		return;
+#endif
+
 	// cannot attack if we are reloading
 	if (IsActiveWeaponReloading())
 		return;

regamedll/dlls/bot/cs_bot_vision.cpp

@@ -61,6 +61,12 @@ void CCSBot::UpdateLookAngles()
 	float stiffness;
 	float damping;
 
+#ifdef REGAMEDLL_ADD
+	// If mimicing the player, don't modify the view angles
+	if (cv_bot_mimic.value > 0)
+		return;
+#endif
+
 	// springs are stiffer when attacking, so we can track and move between targets better
 	if (IsAttacking())
 	{

regamedll/dlls/player.cpp

@@ -10717,3 +10717,12 @@ bool CBasePlayer::Kill()
 
 	return true;
 }
+
+const usercmd_t *CBasePlayer::GetLastUserCommand() const
+{
+#ifdef REGAMEDLL_API
+	return CSPlayer()->GetLastUserCommand();
+#else
+	return nullptr;
+#endif
+}

regamedll/dlls/player.h

@@ -500,6 +500,7 @@ public:
 	void SetClientUserInfoModel(char *infobuffer, char *szNewModel);
 	void SetClientUserInfoModel_api(char *infobuffer, char *szNewModel);
 	void SetNewPlayerModel(const char *modelName);
+	const usercmd_t *GetLastUserCommand() const;
 	BOOL SwitchWeapon(CBasePlayerItem *pWeapon);
 	void CheckPowerups();
 	bool CanAffordPrimary();

regamedll/game_shared/bot/bot.cpp

@@ -261,6 +261,18 @@ void CBot::ExecuteCommand()
 	// Adjust msec to command time interval
 	adjustedMSec = ThrottledMsec();
 
+	// Run mimic command
+	usercmd_t botCmd;
+	if (!RunMimicCommand(botCmd))
+	{
+		botCmd.forwardmove = m_forwardSpeed;
+		botCmd.sidemove    = m_strafeSpeed;
+		botCmd.upmove      = m_verticalSpeed;
+		botCmd.buttons     = m_buttonFlags;
+		botCmd.impulse     = 0;
+		botCmd.viewangles  = pev->v_angle;
+	}
+
 	// player model is "munged"
 	pev->angles = pev->v_angle;
 	pev->angles.x /= -3.0f;
@@ -283,7 +295,49 @@ void CBot::ExecuteCommand()
 #endif
 
 	// Run the command
-	PLAYER_RUN_MOVE(edict(), pev->v_angle, m_forwardSpeed, m_strafeSpeed, m_verticalSpeed, m_buttonFlags, 0, adjustedMSec);
+	PLAYER_RUN_MOVE(edict(), botCmd.viewangles, botCmd.forwardmove, botCmd.sidemove, botCmd.upmove, botCmd.buttons, 0, adjustedMSec);
+}
+
+bool CBot::RunMimicCommand(usercmd_t &botCmd)
+{
+#ifdef REGAMEDLL_ADD
+	if (cv_bot_mimic.value <= 0)
+		return false;
+
+	if (cv_bot_mimic.value > gpGlobals->maxClients)
+		return false;
+
+	CBasePlayer *pPlayer = UTIL_PlayerByIndex(cv_bot_mimic.value);
+	if (!pPlayer)
+		return false;
+
+	if (!UTIL_IsValidPlayer(pPlayer))
+		return false;
+
+	if (!pPlayer->IsAlive())
+		return false;
+
+	if (pPlayer->IsBot())
+		return false;
+
+	const usercmd_t *ucmd = pPlayer->GetLastUserCommand();
+	if (!ucmd)
+		return false;
+
+	botCmd = *ucmd;
+	botCmd.viewangles[YAW] += cv_bot_mimic_yaw_offset.value;
+
+	float mult = 8.0f;
+	botCmd.forwardmove *= mult;
+	botCmd.sidemove *= mult;
+	botCmd.upmove *= mult;
+
+	pev->fixangle = 0;
+
+	return true;
+#else
+	return false;
+#endif
 }
 
 void CBot::ResetCommand()

regamedll/game_shared/bot/bot.h

@@ -259,6 +259,8 @@ private:
 	void ResetCommand();
 	byte ThrottledMsec() const;
 
+	bool RunMimicCommand(usercmd_t &botCmd);
+
 	// returns current movement speed (for walk/run)
 	float GetMoveSpeed();
 

regamedll/game_shared/bot/bot_util.h

@@ -141,7 +141,7 @@ inline bool IsIntersecting2D(const Vector &startA, const Vector &endA, const Vec
 // Iterate over all active players in the game, invoking functor on each.
 // If functor returns false, stop iteration and return false.
 template <typename Functor>
-bool ForEachPlayer(Functor &func)
+bool ForEachPlayer(Functor func)
 {
 	for (int i = 1; i <= gpGlobals->maxClients; i++)
 	{

regamedll/pm_shared/pm_shared.cpp

@@ -3300,6 +3300,11 @@ void EXT_FUNC __API_HOOK(PM_Move)(struct playermove_s *ppmove, int server)
 	{
 		pmove->friction = 1.0f;
 	}
+
+#ifdef REGAMEDLL_API
+	// save the last usercmd
+	pmoveplayer->SetLastUserCommand(pmove->cmd);
+#endif
 }
 
 NOXREF int PM_GetVisEntInfo(int ent)

regamedll/public/regamedll/API/CSPlayer.h

@@ -141,6 +141,16 @@ public:
 	EProtectionState GetProtectionState() const;
 	bool CheckActivityInGame();
 
+	const usercmd_t *GetLastUserCommand() const
+	{
+		return &m_LastCmd;
+	}
+
+	void SetLastUserCommand(const usercmd_t &ucmd)
+	{
+		m_LastCmd = ucmd;
+	}
+
 public:
 	char m_szModel[32];
 	bool m_bForceShowMenu;
@@ -175,6 +185,7 @@ public:
 	bool m_bPlayerDominated[MAX_CLIENTS]; // [0-31] array of state per other player whether player is dominating other players
 
 	int m_iGibDamageThreshold; // negative health to reach to gib player
+	usercmd_t m_LastCmd;
 };
 
 // Inlines