make add_give_health_to_teammate_on_hit respect other healing attributes and count as healing

Author: Bitl

game/quiver/info_changelog.txt

@@ -76,6 +76,8 @@ Added the following Source SDK Pull Requests:
 	- #1508: Add C_BaseEntity::CanGlow to opt-out of glowing for Sentry Gun shield
 	- #1509: Fix reanimator fast revive exploit
 	- #1512: Explain client crash reason when malicious server sends CUtlVector length out of allowed range
+	- #1514: Crusader's Crossbow arrow healing is now affected by mult_health_fromhealers (used by Back Scratcher)
+	- #1515: Add "ParticleEffectStopAndDestroy" Client Effect and "DestroyImmediately" Input for info_particle_system
 
 Details:
 - Fixed a bug where the mini-crit damage effect doesn't show up when your shield breaks.

src/game/shared/tf/tf_weaponbase_melee.cpp

@@ -811,11 +811,35 @@ bool CTFWeaponBaseMelee::OnSwingHit( trace_t &trace )
 			// Give health to teammates on hit
 			int nGiveHealthOnHit = 0;
 			CALL_ATTRIB_HOOK_INT( nGiveHealthOnHit, add_give_health_to_teammate_on_hit );
+
+#ifdef BDSBASE
+			//scaled by other attributes
+			CALL_ATTRIB_HOOK_FLOAT_ON_OTHER(pTargetPlayer, nGiveHealthOnHit, mult_healing_from_medics);
+			CALL_ATTRIB_HOOK_FLOAT_ON_OTHER(pTargetPlayer, nGiveHealthOnHit, mult_health_fromhealers);
+
+			// Don't heal players using a weapon that blocks healing
+			CTFWeaponBase* pWeapon = pTargetPlayer->GetActiveTFWeapon();
+			if (pWeapon)
+			{
+				CALL_ATTRIB_HOOK_FLOAT_ON_OTHER(pWeapon, nGiveHealthOnHit, mult_health_fromhealers_penalty_active);
+
+				int iBlockHealing = 0;
+				CALL_ATTRIB_HOOK_INT_ON_OTHER(pWeapon, iBlockHealing, weapon_blocks_healing);
+				if (iBlockHealing)
+				{
+					nGiveHealthOnHit = 0;
+				}
+			}
+#endif
+
 			if ( nGiveHealthOnHit != 0 )
 			{
 				// Always keep at least 1 health for ourselves
 				nGiveHealthOnHit = Min( pPlayer->GetHealth() - 1, nGiveHealthOnHit );
 				int nHealthGiven = pTargetPlayer->TakeHealth( nGiveHealthOnHit, DMG_GENERIC );
+#ifdef BDSBASE
+				CTF_GameStats.Event_PlayerHealedOther(pPlayer, nGiveHealthOnHit);
+#endif
 
 				if ( nHealthGiven > 0 )
 				{