From 99542a5b00cf3c1cbdc89507e7087014e3ab6d74 Mon Sep 17 00:00:00 2001
From: Eidolon <furyhunter600@gmail.com>
Date: Thu, 16 Oct 2025 16:32:36 -0500
Subject: [PATCH 1/3] Disable invinc sprite flicker, MT_INVULNFLASH in
 reducevfx

---
 src/k_kart.c |  4 ++--
 src/p_mobj.c | 11 +++++++++++
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/k_kart.c b/src/k_kart.c
index e300bd5f2..fcb315775 100644
--- a/src/k_kart.c
+++ b/src/k_kart.c
@@ -11828,10 +11828,10 @@ void K_KartResetPlayerColor(player_t *player)
 		}
 		else
 		{
-			flicker += ((defaultTime - player->invincibilitytimer) / TICRATE / 2) * (cv_reducevfx.value ? 4 : 1);
+			flicker += (defaultTime - player->invincibilitytimer) / TICRATE / 2;
 		}
 
-		if (leveltime % flicker == 0)
+		if (leveltime % flicker == 0 && !cv_reducevfx.value)
 		{
 			player->mo->color = SKINCOLOR_INVINCFLASH;
 			player->mo->colorized = true;
diff --git a/src/p_mobj.c b/src/p_mobj.c
index 5197bcc5e..f9b5dae5d 100644
--- a/src/p_mobj.c
+++ b/src/p_mobj.c
@@ -8327,6 +8327,17 @@ static boolean P_MobjRegularThink(mobj_t *mobj)
 			P_RemoveMobj(mobj);
 			return false;
 		}
+
+		// This invinc mobj flickers intensely, so don't draw it in reducevfx
+		if (cv_reducevfx.value && (mobj->renderflags & RF_DONTDRAW) == 0)
+		{
+			mobj->renderflags |= RF_DONTDRAW;
+		}
+		if (!cv_reducevfx.value && (mobj->renderflags & RF_DONTDRAW) != 0)
+		{
+			mobj->renderflags ^= RF_DONTDRAW;
+		}
+
 		P_MoveOrigin(mobj, mobj->target->x, mobj->target->y, mobj->target->z);
 		break;
 	case MT_BRAKEDRIFT:

From eaf2e34efb0990d3c34703c3cb95da4fdeef4cc8 Mon Sep 17 00:00:00 2001
From: Eidolon <furyhunter600@gmail.com>
Date: Thu, 16 Oct 2025 17:12:09 -0500
Subject: [PATCH 2/3] Make <150% sonic boom flash transparent instead in
 reducevfx

---
 src/p_mobj.c | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/src/p_mobj.c b/src/p_mobj.c
index f9b5dae5d..9da6b8b80 100644
--- a/src/p_mobj.c
+++ b/src/p_mobj.c
@@ -8208,13 +8208,26 @@ static boolean P_MobjRegularThink(mobj_t *mobj)
 				invinc_rotation_delay = 8;
 			}
 
-			if ((trans >= NUMTRANSMAPS) // not a valid visibility
-				|| (myspeed < (tripspeed - basespeed/2) && (leveltime & 1)) // < 150% flickering
-				|| (mobj->target->player->tripwirePass < TRIPWIRE_BOOST) // Not strong enough to make an aura
-				|| mobj->target->player->flamedash) // Flameshield dash
+			if ((trans >= NUMTRANSMAPS) || mobj->target->player->flamedash || mobj->target->player->tripwirePass < TRIPWIRE_BOOST)
 			{
+				// never show for flameshield dash, below tripwire minimum or transparency invalid
+				mobj->renderflags &= ~RF_TRANSMASK;
 				mobj->renderflags |= RF_DONTDRAW;
 			}
+			else if (myspeed < (tripspeed - basespeed/2))
+			{
+				mobj->renderflags &= ~(RF_TRANSMASK|RF_DONTDRAW);
+				if (cv_reducevfx.value)
+				{
+					// < 150% make more transparent for reducevfx
+					mobj->renderflags |= RF_TRANS40;
+				}
+				else if (leveltime & 1)
+				{
+					// < 150% flickering normally
+					mobj->renderflags |= RF_DONTDRAW;
+				}
+			}
 			else
 			{
 				boolean blastermode = (myspeed >= tripspeed) && (mobj->target->player->tripwirePass >= TRIPWIRE_BLASTER);

From 3e185efa440bb91a7be3d8247fecdafdd31fb62a Mon Sep 17 00:00:00 2001
From: Eidolon <furyhunter600@gmail.com>
Date: Thu, 16 Oct 2025 20:53:37 -0500
Subject: [PATCH 3/3] Don't flicker drift electricity with reducevfx

---
 src/k_kart.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/k_kart.c b/src/k_kart.c
index fcb315775..63a0f0ef8 100644
--- a/src/k_kart.c
+++ b/src/k_kart.c
@@ -6797,6 +6797,14 @@ static void K_SpawnDriftSparks(player_t *player)
 	I_Assert(player->mo != NULL);
 	I_Assert(!P_MobjWasRemoved(player->mo));
 
+	if (player->driftcharge >= dsthree)
+	{
+		if (cv_reducevfx.value || leveltime % 2 == 0)
+		{
+			K_SpawnDriftElectricity(player);
+		}
+	}
+
 	if (leveltime % 2 == 1)
 		return;
 
@@ -6927,11 +6935,6 @@ static void K_SpawnDriftSparks(player_t *player)
 		P_SetTarget(&spark->owner, player->mo);
 		spark->renderflags |= RF_REDUCEVFX;
 	}
-
-	if (player->driftcharge >= dsthree)
-	{
-		K_SpawnDriftElectricity(player);
-	}
 }
 
 static void K_SpawnAIZDust(player_t *player)