From 831b304f203b44bf996739a1173835b6b6d17903 Mon Sep 17 00:00:00 2001
From: RD42 <42702181+dashr9230@users.noreply.github.com>
Date: Sun, 7 Jul 2024 22:35:03 +0800
Subject: [PATCH] [bot] Implement/match `n_GetMyFacingAngle(...)`

* Rename `unnamed_9` to `byteState`
* Implement/match `CNetGame::GetMyZAngle()`
* Update `CNetGame::Init(...)`
---
 bot/net/netgame.cpp | 38 ++++++++++++++++++++++++++++++++++++--
 bot/net/netgame.h   |  1 +
 bot/scrcustom.cpp   |  7 +++++--
 3 files changed, 42 insertions(+), 4 deletions(-)

diff --git a/bot/net/netgame.cpp b/bot/net/netgame.cpp
index 4d55530..577f3f3 100644
--- a/bot/net/netgame.cpp
+++ b/bot/net/netgame.cpp
@@ -29,8 +29,8 @@ typedef struct _TRAILER_SYNC_DATA // size: 54
 
 char unnamed_2[63];
 PASSENGER_SYNC_DATA unnamed_5[MAX_PLAYERS];
-char unnamed_9;
 BOOL bPlayerSlotState[MAX_PLAYERS];
+BYTE byteState;
 ONFOOT_SYNC_DATA ofSync;
 ONFOOT_SYNC_DATA unnamed_3[MAX_PLAYERS];
 BYTE bytePlayerState[MAX_PLAYERS];
@@ -237,6 +237,40 @@ BOOL CNetGame::IsVehicleAdded(VEHICLEID VehicleID)
 	return bVehicleSlotState[VehicleID] != FALSE;
 }
 
+//----------------------------------------------------
+float CNetGame::GetMyZAngle()
+{
+	MATRIX4X4 mat;
+
+	if(byteState == PLAYER_STATE_ONFOOT)
+	{
+		QuaternionToMatrix(&ofSync.quatRotation, &mat);
+
+		float fZAngle = atan2(-mat.up.X, mat.up.Y) * 180.0f / PI;
+		// Bound it to [0, 360)
+		if ( fZAngle < 0.0f )
+			fZAngle += 360.0f;
+		else if ( fZAngle >= 360.0f )
+			fZAngle -= 360.0f;
+		return fZAngle;
+	}
+	else if(byteState == PLAYER_STATE_DRIVER)
+	{
+		QuaternionToMatrix(&icSync.quatRotation, &mat);
+
+		float fZAngle = atan2(-mat.up.X, mat.up.Y) * 180.0f/PI;
+
+		// Bound it to [0, 360)
+		if ( fZAngle < 0.0f )
+			fZAngle += 360.0f;
+		else if ( fZAngle >= 360.0f )
+			fZAngle -= 360.0f;
+		return fZAngle;
+	}
+
+	return 0.0f;
+}
+
 //----------------------------------------------------
 // MATCH
 void CNetGame::SetMyZAngle(float fAngle)
@@ -402,7 +436,7 @@ void CNetGame::Init(PCHAR szHostOrIp, int iPort,
 	field_1DE = 0;
 	field_1E2 = 0;
 	field_1F2 = GetTickCount();
-	unnamed_9 = 0;
+	byteState = PLAYER_STATE_NONE;
 	field_1FA = -1;
 	field_1FE = -1;
 	srand(0);
diff --git a/bot/net/netgame.h b/bot/net/netgame.h
index e33ec40..c6d100c 100644
--- a/bot/net/netgame.h
+++ b/bot/net/netgame.h
@@ -115,6 +115,7 @@ public:
 	BYTE GetPlayerArmour(PLAYERID playerId);
 	BOOL GetPlayerKeys(PLAYERID playerId, WORD *udAnalog, WORD *lrAnalog, WORD *wKeys);
 	BOOL IsVehicleAdded(VEHICLEID VehicleID);
+	float GetMyZAngle();
 
 	void StopRecordingPlayback();
 	void PauseRecordingPlayback();
diff --git a/bot/scrcustom.cpp b/bot/scrcustom.cpp
index e700dcf..1386c03 100644
--- a/bot/scrcustom.cpp
+++ b/bot/scrcustom.cpp
@@ -266,8 +266,11 @@ static cell AMX_NATIVE_CALL n_SetMyPos(AMX *amx, cell *params)
 // native GetMyFacingAngle(&Float:ang)
 static cell AMX_NATIVE_CALL n_GetMyFacingAngle(AMX *amx, cell *params)
 {
-	// TODO: n_GetMyFacingAngle
-	return 0;
+	cell* cptr;
+	amx_GetAddr(amx, params[1], &cptr);
+	float fResult = pNetGame->GetMyZAngle();
+	*cptr = amx_ftoc(fResult);
+	return 1;
 }
 
 // native SetMyFacingAngle(Float:ang)