From 03b2f5b5a50fa4ab99b4fb2499c9d77a27dfbc28 Mon Sep 17 00:00:00 2001
From: ricardoofnl <raditiyaeltamricardo@outlook.de>
Date: Sat, 5 Sep 2026 08:35:06 +0700
Subject: [PATCH] [saco] Implement/match `FUNC_10015460`; the turn-speed clamp
 is gated by an initialised global and `_gap16C` is the synced quaternion

---
 saco/game/util.h          |  2 ++
 saco/net/remoteplayer.cpp | 40 ++++++++++++++++++++++++++++++++++++++-
 saco/net/remoteplayer.h   |  3 ++-
 3 files changed, 43 insertions(+), 2 deletions(-)

diff --git a/saco/game/util.h b/saco/game/util.h
index 53c6fa9..0a9dcdc 100644
--- a/saco/game/util.h
+++ b/saco/game/util.h
@@ -113,6 +113,8 @@ void FUNC_100B52B0(MATRIX4X4 *pMatrix, float *pQuatOut); // .text:100B52B0
 void FUNC_100B5480(float *pQuatOut, float *pQuatFrom, float *pQuatTo, float fT); // .text:100B5480
 void FUNC_100B6A80(float *pQuat, MATRIX4X4 *pMatrix); // .text:100B6A80
 void __stdcall FUNC_100B6900(VECTOR *pFront, VECTOR *pOut); // .text:100B6900
+void FUNC_100B5470(float *pQuat, MATRIX4X4 *pMatrix); // .text:100B5470
+void FUNC_100B5500(float *pQuat); // .text:100B5500
 void FUNC_100B5210(int a1, void *a2); // .text:100B5210, __cdecl: the caller's
 // stack cleanup is folded into the next call's argument setup
 
diff --git a/saco/net/remoteplayer.cpp b/saco/net/remoteplayer.cpp
index 23ce370..b10a28b 100644
--- a/saco/net/remoteplayer.cpp
+++ b/saco/net/remoteplayer.cpp
@@ -8,6 +8,8 @@ using namespace RakNet;
 extern CNetGame* pNetGame;
 extern CChatWindow *pChatWindow;
 
+int bClampVehicleTurnSpeed = 1;
+
 //----------------------------------------------------
 // layout locks: a negative array size fails the build if any offset moves
 
@@ -212,7 +214,7 @@ void CRemotePlayer::FUNC_100150D0(VECTOR *pPos, VECTOR *pMoveSpeed)
 
 void CRemotePlayer::FUNC_100155E0(int a1, VECTOR *pPos, VECTOR *pMoveSpeed)
 {
-	FUNC_100B5210(a1, &_gap16C);
+	FUNC_100B5210(a1, quat16C);
 	field_194 = *pPos;
 	field_1A0 = *pMoveSpeed;
 	field_1E1->SetMoveSpeedVector(*pMoveSpeed);
@@ -407,6 +409,42 @@ void CRemotePlayer::FUNC_10017260(BYTE *pSync, int iTime)
 
 //----------------------------------------------------
 
+void CRemotePlayer::FUNC_10015460()
+{
+	MATRIX4X4 mat;
+	float quatCur[4];
+	float quatBlend[4];
+	VECTOR vecTurn;
+
+	vecTurn.X = 0.0f;
+	vecTurn.Y = 0.0f;
+	vecTurn.Z = 0.0f;
+
+	if(!field_1E1) return;
+
+	if(bClampVehicleTurnSpeed) {
+		field_1E1->GetTurnSpeedVector(&vecTurn);
+
+		if(vecTurn.X > 0.02f) vecTurn.X = 0.02f;
+		else if(vecTurn.X < -0.02f) vecTurn.X = -0.02f;
+		if(vecTurn.Y > 0.02f) vecTurn.Y = 0.02f;
+		else if(vecTurn.Y < -0.02f) vecTurn.Y = -0.02f;
+		if(vecTurn.Z > 0.02f) vecTurn.Z = 0.02f;
+		else if(vecTurn.Z < -0.02f) vecTurn.Z = -0.02f;
+
+		field_1E1->SetTurnSpeedVector(vecTurn);
+	}
+
+	field_1E1->GetMatrix(&mat);
+	FUNC_100B5210((int)&mat, quatCur);
+	FUNC_100B5480(quatBlend, quat16C, quatCur, 0.75f);
+	FUNC_100B5500(quatBlend);
+	FUNC_100B5470(quatBlend, &mat);
+	field_1E1->SetMatrix(mat);
+}
+
+//----------------------------------------------------
+
 void CRemotePlayer::FUNC_10015760(BYTE *pAim)
 {
 	if(!m_pPlayerPed) return;
diff --git a/saco/net/remoteplayer.h b/saco/net/remoteplayer.h
index df6d4c8..63ec727 100644
--- a/saco/net/remoteplayer.h
+++ b/saco/net/remoteplayer.h
@@ -37,7 +37,7 @@ public:
 	int field_110;
 
 	char _gap114[88];
-	char _gap16C[16];
+	float quat16C[4];
 	VECTOR field_17C;
 	VECTOR field_188;
 	VECTOR field_194;
@@ -86,6 +86,7 @@ public:
 	void FUNC_100148F0(); // .text:100148F0
 	void FUNC_10014FF0(); // .text:10014FF0
 	void FUNC_10017260(BYTE *pSync, int iTime); // .text:10017260
+	void FUNC_10015460(); // .text:10015460
 	void FUNC_10015760(BYTE *pAim); // .text:10015760
 	BOOL FUNC_10017130(int a1, int iSkin, int a3, VECTOR *pPos, float fRotation,
 		DWORD dwColor, BYTE byteStyle); // .text:10017130