From c2aa8b103245e53d97ee056b5b87ed7fd355f5b4 Mon Sep 17 00:00:00 2001
From: James R <justsomejames2@gmail.com>
Date: Tue, 8 Jul 2025 18:47:50 -0700
Subject: [PATCH 1/2] Fix Stone Shoe in reverse gravity

---
 src/objects/stone-shoe.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/objects/stone-shoe.cpp b/src/objects/stone-shoe.cpp
index 63ad55686..6e3aae96b 100644
--- a/src/objects/stone-shoe.cpp
+++ b/src/objects/stone-shoe.cpp
@@ -230,7 +230,7 @@ private:
 
 				if (P_IsObjectOnGround(this))
 				{
-					momz = 32 * mapobjectscale;
+					momz = flip(32 * mapobjectscale);
 					bouncing(true);
 					voice(sfx_s3k5f);
 					P_StartQuakeFromMobj(5, 40 * scale(), 512 * scale(), this);
@@ -271,6 +271,11 @@ private:
 		follow()->player->stonedrag = dist > minDist();
 
 		sprzoff(30 * scale());
+
+		if (is_flipped() != follow()->is_flipped())
+		{
+			K_FlipFromObject(this, follow());
+		}
 	}
 
 	void move_chain()
@@ -292,6 +297,7 @@ private:
 		while (Mobj::valid(node))
 		{
 			node->move_origin({p, pz});
+			K_FlipFromObject(node, this);
 			node->sprzoff(sprzoff());
 
 			// Let chain flicker like shoe does

From 5fec05d8ac876b4158051fd3358624f052ad6d5f Mon Sep 17 00:00:00 2001
From: James R <justsomejames2@gmail.com>
Date: Wed, 9 Jul 2025 11:47:38 -0700
Subject: [PATCH 2/2] Make sure sector reverse DOES NOT influence Stone Shoe
 directly

Stone Shoe copies flip flag from player. Sector gravity
was applied separately.
---
 src/p_mobj.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/p_mobj.c b/src/p_mobj.c
index 21e0eb317..a251378f6 100644
--- a/src/p_mobj.c
+++ b/src/p_mobj.c
@@ -1095,7 +1095,7 @@ fixed_t P_GetMobjGravity(mobj_t *mo)
 
 	wasflip = (mo->eflags & MFE_VERTICALFLIP) != 0;
 
-	if (mo->type != MT_SPINFIRE)
+	if (mo->type != MT_SPINFIRE && mo->type != MT_STONESHOE)
 		mo->eflags &= ~MFE_VERTICALFLIP;
 
 	if (mo->subsector->sector->ffloors) // Check for 3D floor gravity too.
@@ -1303,7 +1303,7 @@ fixed_t P_GetMobjGravity(mobj_t *mo)
 					gravityadd *= 2;
 				break;
 			case MT_STONESHOE:
-				gravityadd *= 4;
+				gravityadd = -4 * abs(gravityadd) * P_MobjFlip(mo);
 				break;
 			default:
 				break;
@@ -15487,6 +15487,7 @@ boolean P_MobjCanChangeFlip(mobj_t *mobj)
 		case MT_SHRINK_CHAIN:
 		case MT_SHRINK_LASER:
 		case MT_SHRINK_PARTICLE:
+		case MT_STONESHOE:
 			return false;
 
 		default: