From 71204c1c499c570df7c52a121d8a20f6e25f5b5a Mon Sep 17 00:00:00 2001
From: RD42 <42702181+dashr9230@users.noreply.github.com>
Date: Fri, 5 Jul 2024 22:43:08 +0800
Subject: [PATCH] [bot] Implement/match `n_IsVehicleStreamedIn(...)`

* Rename `field_84D0` to `m_bVehicleSlotState`
* Implement/match `CNetGame::IsVehicleAdded(...)`
---
 bot/net/netgame.cpp     | 8 ++++++++
 bot/net/netgame.h       | 1 +
 bot/net/vehiclepool.cpp | 2 +-
 bot/net/vehiclepool.h   | 8 +++++++-
 bot/scrcustom.cpp       | 7 +++++--
 5 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/bot/net/netgame.cpp b/bot/net/netgame.cpp
index d70ad27..b02a688 100644
--- a/bot/net/netgame.cpp
+++ b/bot/net/netgame.cpp
@@ -197,6 +197,14 @@ BOOL CNetGame::IsPlayerAdded(PLAYERID playerId)
 	return bPlayerSlotState[playerId] != FALSE;
 }
 
+//----------------------------------------------------
+BOOL CNetGame::IsVehicleAdded(VEHICLEID VehicleID)
+{
+	if(VehicleID >= MAX_VEHICLES) return FALSE;
+
+	return bVehicleSlotState[VehicleID] != FALSE;
+}
+
 //----------------------------------------------------
 // MATCH
 void CNetGame::SetMyZAngle(float fAngle)
diff --git a/bot/net/netgame.h b/bot/net/netgame.h
index 016bf90..cc39c6a 100644
--- a/bot/net/netgame.h
+++ b/bot/net/netgame.h
@@ -113,6 +113,7 @@ public:
 	BYTE GetPlayerArmedWeapon(PLAYERID playerId);
 	BYTE GetPlayerHealth(PLAYERID playerId);
 	BYTE GetPlayerArmour(PLAYERID playerId);
+	BOOL IsVehicleAdded(VEHICLEID VehicleID);
 
 	void StopRecordingPlayback();
 	void PauseRecordingPlayback();
diff --git a/bot/net/vehiclepool.cpp b/bot/net/vehiclepool.cpp
index 51ae763..51ab86e 100644
--- a/bot/net/vehiclepool.cpp
+++ b/bot/net/vehiclepool.cpp
@@ -8,7 +8,7 @@ CVehiclePool::CVehiclePool()
 {
 	// loop through and initialize all net players to null and slot states to false
 	for(VEHICLEID VehicleID = 0; VehicleID < MAX_VEHICLES; VehicleID++) {
-		field_84D0[VehicleID] = 0;
+		m_bVehicleSlotState[VehicleID] = FALSE;
 	}
 }
 
diff --git a/bot/net/vehiclepool.h b/bot/net/vehiclepool.h
index 7f7a36b..ceac11f 100644
--- a/bot/net/vehiclepool.h
+++ b/bot/net/vehiclepool.h
@@ -40,7 +40,7 @@ class CVehiclePool // size: 114000
 {
 private:
 	char _gap0[34000];
-	int field_84D0[2000];
+	BOOL				m_bVehicleSlotState[MAX_VEHICLES];
 	VEHICLE_SPAWN_INFO	m_SpawnInfo[MAX_VEHICLES];
 
 public:
@@ -51,4 +51,10 @@ public:
 	BOOL New(NEW_VEHICLE *pNewVehicle);
 
 	BOOL Delete(VEHICLEID VehicleID);
+
+	// Find out if the slot is inuse.
+	BOOL GetSlotState(VEHICLEID VehicleID) {
+		if(VehicleID >= MAX_VEHICLES) { return FALSE; }
+		return m_bVehicleSlotState[VehicleID];
+	};
 };
diff --git a/bot/scrcustom.cpp b/bot/scrcustom.cpp
index e9e9515..409052a 100644
--- a/bot/scrcustom.cpp
+++ b/bot/scrcustom.cpp
@@ -221,8 +221,11 @@ static cell AMX_NATIVE_CALL n_IsPlayerStreamedIn(AMX *amx, cell *params)
 // native IsVehicleStreamedIn(vehicleid)
 static cell AMX_NATIVE_CALL n_IsVehicleStreamedIn(AMX *amx, cell *params)
 {
-	// TODO: n_IsVehicleStreamedIn
-	return 0;
+	if(pNetGame->GetVehiclePool()->GetSlotState((VEHICLEID)params[1]))
+	{
+		return pNetGame->IsVehicleAdded((VEHICLEID)params[1]);
+	}
+	return 0;	
 }
 
 // native GetPlayerKeys(playerid, &keys, &updown, &leftright)