Add mp_longjump_cooldown CVar to prevent LongJump abuse

README.md

@@ -140,6 +140,7 @@ This means that plugins that do binary code analysis (Orpheu for example) probab
 | mp_stamina_restore_rate            | 0       | 0.0 | -            | Framerate (FPS), that used as reference when restoring stamina (fuser2) after jump. |
 | mp_logkills                        | 1       | 0   | 1            | Log kills.<br/>`0` disabled <br/>`1` enabled |
 | mp_jump_height                     | 45      | 0.0 | -            | Player jump height. |
+| mp_longjump_cooldown               | 0.0     | 0.0 | -            | Cooldown time (in seconds) between long jumps to prevent abuse.<br/>`0` disabled<br/>`>0` seconds before the player can long jump again. During cooldown, only a regular vertical jump is performed. |
 | bot_excellent_morale               | 0       | 0   | 1            | Bots always have great morale regardless of defeat or victory. |
 | mp_randomspawn                     | 0       | 0   | 1            | Random player spawns<br/>`0` disabled <br/>`1` enabled<br/>`NOTE`: Navigation `maps/.nav` file required |
 | mp_playerid_showhealth             | 1       | 0   | 2            | Player ID display mode.<br/>`0` don't show health<br/>`1` show health for teammates only (default CS behaviour)<br/>`2` show health for all players |

dist/game.cfg

@@ -670,6 +670,13 @@ mp_stamina_restore_rate "0"
 // Default value: "45"
 mp_jump_height "45"
 
+// Cooldown time (in seconds) between long jumps to prevent abuse.
+// 0 - disabled (default behaviour)
+// >0 - seconds before the player can long jump again
+//
+// Default value: "0.0"
+mp_longjump_cooldown "0.0"
+
 // Bots always have great morale regardless of defeat or victory.
 // 0 - disabled (default behaviour)
 // 1 - enabled

regamedll/dlls/game.cpp

@@ -174,6 +174,7 @@ cvar_t assist_damage_threshold           = { "mp_assist_damage_threshold", "40",
 cvar_t freezetime_duck                   = { "mp_freezetime_duck", "1", 0, 1.0f, nullptr };
 cvar_t freezetime_jump                   = { "mp_freezetime_jump", "1", 0, 1.0f, nullptr };
 cvar_t jump_height                       = { "mp_jump_height", "45", FCVAR_SERVER, 45.0f, nullptr };
+cvar_t longjump_cooldown                 = { "mp_longjump_cooldown", "0.0", 0, 0.0f, nullptr };
 
 cvar_t hostages_rescued_ratio  = { "mp_hostages_rescued_ratio", "1.0", 0, 1.0f, nullptr };
 
@@ -469,6 +470,7 @@ void EXT_FUNC GameDLLInit()
 	CVAR_REGISTER(&freezetime_duck);
 	CVAR_REGISTER(&freezetime_jump);
 	CVAR_REGISTER(&jump_height);
+	CVAR_REGISTER(&longjump_cooldown);
 	CVAR_REGISTER(&defuser_allocation);
 	CVAR_REGISTER(&location_area_info);
 	CVAR_REGISTER(&chat_loc_fallback);

regamedll/dlls/game.h

@@ -203,6 +203,7 @@ extern cvar_t assist_damage_threshold;
 extern cvar_t freezetime_duck;
 extern cvar_t freezetime_jump;
 extern cvar_t jump_height;
+extern cvar_t longjump_cooldown;
 extern cvar_t defuser_allocation;
 extern cvar_t location_area_info;
 extern cvar_t chat_loc_fallback;

regamedll/pm_shared/pm_shared.cpp

@@ -2762,25 +2762,40 @@ void EXT_FUNC __API_HOOK(PM_Jump)()
 		// UNDONE: note this should be based on forward angles, not current velocity.
 		if (cansuperjump && (pmove->cmd.buttons & IN_DUCK) && pmove->flDuckTime > 0 && Length(pmove->velocity) > 50)
 		{
-			pmove->punchangle[0] = -5.0f;
-
-#ifdef REGAMEDLL_API
-			if (pmoveplayer->m_flLongJumpForce > 0.0)
+#ifdef REGAMEDLL_ADD
+			if (pmove->fuser4 > 0.0f)
 			{
-				fvel = pmoveplayer->m_flLongJumpForce;
+				pmove->velocity[2] = PM_JumpHeight(false);
 			}
 			else
 #endif
 			{
-				fvel = PLAYER_LONGJUMP_SPEED * 1.6f;
-			}
+				pmove->punchangle[0] = -5.0f;
 
-			for (int i = 0; i < 2; i++)
-			{
-				pmove->velocity[i] = pmove->forward[i] * fvel;
-			}
+#ifdef REGAMEDLL_API
+				if (pmoveplayer->m_flLongJumpForce > 0.0)
+				{
+					fvel = pmoveplayer->m_flLongJumpForce;
+				}
+				else
+#endif
+				{
+					fvel = PLAYER_LONGJUMP_SPEED * 1.6f;
+				}
 
-			pmove->velocity[2] = PM_JumpHeight(true);
+				for (int i = 0; i < 2; i++)
+				{
+					pmove->velocity[i] = pmove->forward[i] * fvel;
+				}
+
+				pmove->velocity[2] = PM_JumpHeight(true);
+#ifdef REGAMEDLL_ADD
+				if (longjump_cooldown.value > 0.0f)
+				{
+					pmove->fuser4 = longjump_cooldown.value * 1000.0f;
+				}
+#endif
+			}
 		}
 		else
 		{
@@ -3112,6 +3127,18 @@ void PM_ReduceTimers()
 			pmove->fuser2 = 0;
 		}
 	}
+
+#ifdef REGAMEDLL_ADD
+	if (pmove->fuser4 > 0.0)
+	{
+		pmove->fuser4 -= pmove->cmd.msec;
+
+		if (pmove->fuser4 < 0.0)
+		{
+			pmove->fuser4 = 0;
+		}
+	}
+#endif
 }
 
 qboolean PM_ShouldDoSpectMode()