Implemented cvar mp_unduck_method for prevent unduck if ducking isn't finished yet (also affects double duck)

README.md

@@ -64,6 +64,7 @@ Archive's bin directory contains 2 subdirectories, 'bugfixed' and 'pure'
 | mp_kill_filled_spawn               | 1       | 0   | 1            | Kill the player in filled spawn before spawning some one else (Prevents players stucking in each other).<br />Only disable this if you have semiclip or other plugins that prevents stucking.<br/>`0` disabled<br/>`1` enabled |
 | mp_allow_point_servercommand       | 0       | 0   | 1            | Allow use of point_servercommand entities in map.<br/>`0` disallow<br/>`1` allow<br/>`NOTE`: Potentially dangerous for untrusted maps. |
 | mp_hullbounds_sets                 | 1       | 0   | 1            | Sets mins/maxs hull bounds for the player.<br/>`0` disabled<br/>`1` enabled |
+| mp_unduck_method                   | 0       | 0   | 1            | Don't unduck if ducking isn't finished yet.<br/>`0` disabled<br/>`1` enabled<br/>`NOTE`: This also prevents double duck. |
 | mp_scoreboard_showhealth           | 3       | 0   | 5            | Show `HP` field into a scoreboard.<br/>`0` don't send any update for `HP` field to any clients<br/>`1` show only Terrorist `HP` field to all clients<br/>`2` show only CT `HP` field to all clients<br/>`3` show `HP` field to teammates<br/>`4` show `HP` field to all clients<br/>`5` show `HP` field to teammates and spectators<br/><br/>`Note this CVar are work in beta only.` |
 | mp_scoreboard_showmoney            | 3       | 0   | 5            | Show `Money` field into a scoreboard.<br/>`0` don't send any update for `Money` field to any clients<br/>`1` show only Terrorist `Money` field to all clients<br/>`2` show only CT `Money` field to all clients<br/>`3` show `Money` field to teammates<br/>`4` show `Money` field to all clients<br/>`5` show `Money` field to teammates and spectators<br/><br/>`Note this CVar are work in beta only.`  |
 | ff_damage_reduction_bullets        | 0.35    | 0.0 | 1.0          | How much to reduce damage done to teammates when shot.<br/> Range is from `0` - `1` (with 1 being damage equal to what is done to an enemy) |

dist/game.cfg

@@ -321,3 +321,11 @@ mp_radio_maxinround 60
 //
 // Default value: "0"
 mp_buy_anywhere 0
+
+// Don't unduck if ducking isn't finished yet.
+// NOTE: This also prevents double duck.
+// 0 - disabled (default behaviour)
+// 1 - enabled
+//
+// Default value: "0"
+mp_unduck_method 0

regamedll/dlls/game.cpp

@@ -126,6 +126,7 @@ cvar_t buy_anywhere              = { "mp_buy_anywhere", "0", FCVAR_SERVER, 0.0f,
 
 cvar_t allow_point_servercommand = { "mp_allow_point_servercommand", "0", 0, 0.0f, nullptr };
 cvar_t hullbounds_sets           = { "mp_hullbounds_sets", "1", 0, 0.0f, nullptr };
+cvar_t unduck_method             = { "mp_unduck_method", "0", 0, 0.0f, nullptr };
 
 cvar_t scoreboard_showmoney      = { "mp_scoreboard_showmoney", "3", FCVAR_SERVER, 0.0f, nullptr };
 cvar_t scoreboard_showhealth     = { "mp_scoreboard_showhealth", "3", FCVAR_SERVER, 0.0f, nullptr };
@@ -326,6 +327,7 @@ void EXT_FUNC GameDLLInit()
 	CVAR_REGISTER(&buy_anywhere);
 	CVAR_REGISTER(&allow_point_servercommand);
 	CVAR_REGISTER(&hullbounds_sets);
+	CVAR_REGISTER(&unduck_method);
 
 	CVAR_REGISTER(&ff_damage_reduction_bullets);
 	CVAR_REGISTER(&ff_damage_reduction_grenade);

regamedll/dlls/game.h

@@ -162,6 +162,7 @@ extern cvar_t afk_bomb_drop_time;
 extern cvar_t buy_anywhere;
 extern cvar_t allow_point_servercommand;
 extern cvar_t hullbounds_sets;
+extern cvar_t unduck_method;
 extern cvar_t ff_damage_reduction_bullets;
 extern cvar_t ff_damage_reduction_grenade;
 extern cvar_t ff_damage_reduction_grenade_self;

regamedll/pm_shared/pm_shared.cpp

@@ -1795,6 +1795,23 @@ void PM_FixPlayerCrouchStuck(int direction)
 
 void PM_UnDuck()
 {
+#ifdef REGAMEDLL_ADD
+	if (unduck_method.value)
+#endif
+	{
+#ifdef REGAMEDLL_FIXES
+		// if ducking isn't finished yet, so don't unduck
+		if (pmove->bInDuck || !(pmove->flags & FL_DUCKING))
+		{
+			pmove->usehull = 0;
+			pmove->flDuckTime = 0;
+			pmove->bInDuck = FALSE;
+			pmove->view_ofs[2] = PM_VEC_VIEW;
+			return;
+		}
+#endif // #ifdef REGAMEDLL_FIXES
+	}
+
 	pmtrace_t trace;
 	vec3_t newOrigin;