Implement ValveSoftware#1547

Author: Bitl

game/quiver/info_changelog.txt

@@ -93,7 +93,8 @@ Added the following Source SDK Pull Requests:
 	- #1539: Allow weapons with penetrating bullets to penetrate Medigun shield
 	- #1540: Fixed on-hit attributes not triggering on friendly disguises
 	- #1542: Add Convar to Remove print from having cheats on for Achievements
-	- #1543: Fix mounting of custom content in gameinfo
+	- #1544: Gamemode prefix check fails when loading map from Workshop
+	- #1547: Allow ducked air jumping as any class
 
 Details:
 - Fixed a bug where the mini-crit damage effect doesn't show up when your shield breaks.

src/game/shared/tf/tf_gamemovement.cpp

@@ -1330,12 +1330,19 @@ bool CTFGameMovement::CheckJumpButton()
 		return false;
 
 	// Check to see if the player is a scout.
+#ifndef BDSBASE
 	bool bScout = m_pTFPlayer->GetPlayerClass()->IsClass(TF_CLASS_SCOUT);
+#endif
 	bool bAirDash = false;
 	bool bOnGround = (player->GetGroundEntity() != NULL);
 
 	ToggleParachute();
 
+#ifdef BDSBASE
+	// Cannot jump while ducked and grounded.
+	if (player->GetFlags() & FL_DUCKING && bOnGround)
+		return false;
+#else
 	// Cannot jump will ducked.
 	if (player->GetFlags() & FL_DUCKING)
 	{
@@ -1345,6 +1352,7 @@ bool CTFGameMovement::CheckJumpButton()
 		if (!bAllow)
 			return false;
 	}
+#endif
 
 	// Cannot jump while in the unduck transition.
 	if ((player->m_Local.m_bDucking && (player->GetFlags() & FL_DUCKING)) || (player->m_Local.m_flDuckJumpTime > 0.0f))