From 1d64635783259e3b3699b542012b0c71e8c27d2b Mon Sep 17 00:00:00 2001
From: Alibek Omarov <a1ba.omarov@gmail.com>
Date: Fri, 11 Oct 2024 00:04:03 +0300
Subject: [PATCH] engine: correctly check for cls.legacymode, as it's not a
 boolean anymore

---
 engine/client/cl_frame.c |  4 ++--
 engine/client/cl_main.c  |  2 +-
 engine/common/host.c     | 16 ++++++++++++++--
 3 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/engine/client/cl_frame.c b/engine/client/cl_frame.c
index 515c0960..1d6368d6 100644
--- a/engine/client/cl_frame.c
+++ b/engine/client/cl_frame.c
@@ -174,7 +174,7 @@ static qboolean CL_EntityCustomLerp( cl_entity_t *e )
 	// INTERPOLATION IN GRAVGUNMOD COOP
 	// MUST BE REMOVED ONCE WE REMOVE 48 PROTO SUPPORT
 	case MOVETYPE_TOSS:
-		if( cls.legacymode && e->model && e->model->type == mod_studio )
+		if( cls.legacymode == PROTO_LEGACY && e->model && e->model->type == mod_studio )
 			return false;
 	}
 
@@ -1265,7 +1265,7 @@ static void CL_LinkPacketEntities( frame_t *frame )
 			// ABSOLUTELY STUPID HACK TO ALLOW MONSTERS
 			// INTERPOLATION IN GRAVGUNMOD COOP
 			// MUST BE REMOVED ONCE WE REMOVE 48 PROTO SUPPORT
-			else if( cls.legacymode && ent->model->type == mod_studio && ent->curstate.movetype == MOVETYPE_TOSS )
+			else if( cls.legacymode == PROTO_LEGACY && ent->model->type == mod_studio && ent->curstate.movetype == MOVETYPE_TOSS )
 			{
 				if( !CL_InterpolateModel( ent ))
 					continue;
diff --git a/engine/client/cl_main.c b/engine/client/cl_main.c
index 600dad51..b0db4e20 100644
--- a/engine/client/cl_main.c
+++ b/engine/client/cl_main.c
@@ -1215,7 +1215,7 @@ static void CL_CheckForResend( void )
 	else if( cl_resend.value > CL_MAX_RESEND_TIME )
 		Cvar_SetValue( "cl_resend", CL_MAX_RESEND_TIME );
 
-	bandwidthTest = !cls.legacymode && cl_test_bandwidth.value && cls.connect_retry <= CL_TEST_RETRIES;
+	bandwidthTest = cls.legacymode == PROTO_CURRENT && cl_test_bandwidth.value && cls.connect_retry <= CL_TEST_RETRIES;
 	resendTime = bandwidthTest ? 1.0f : cl_resend.value;
 
 	if(( host.realtime - cls.connect_time ) < resendTime )
diff --git a/engine/common/host.c b/engine/common/host.c
index 6148582d..95e173a1 100644
--- a/engine/common/host.c
+++ b/engine/common/host.c
@@ -246,8 +246,20 @@ void Host_ValidateEngineFeatures( uint32_t features )
 	uint32_t mask = ENGINE_FEATURES_MASK;
 
 #if !XASH_DEDICATED
-	if( !Host_IsDedicated( ) && cls.legacymode )
-		mask = ENGINE_LEGACY_FEATURES_MASK;
+	if( !Host_IsDedicated( ))
+	{
+		switch( cls.legacymode )
+		{
+		case PROTO_CURRENT:
+			break;
+		case PROTO_LEGACY:
+			mask = ENGINE_LEGACY_FEATURES_MASK;
+			break;
+		default:
+			mask = 0;
+			break;
+		}
+	}
 #endif
 
 	// don't allow unsupported bits