Adding setVehicleNitroActivated server-side (PR #3706)

Author: Proxy-99

Client/mods/deathmatch/logic/rpc/CVehicleRPCs.cpp

@@ -53,6 +53,7 @@ void CVehicleRPCs::LoadFunctions()
     AddHandler(SET_VEHICLE_SIRENS, SetVehicleSirens, "setVehicleSirens");
     AddHandler(SET_VEHICLE_PLATE_TEXT, SetVehiclePlateText, "setVehiclePlateText");
     AddHandler(SPAWN_VEHICLE_FLYING_COMPONENT, SpawnVehicleFlyingComponent, "spawnVehicleFlyingComponent");
+    AddHandler(SET_VEHICLE_NITRO_ACTIVATED, SetVehicleNitroActivated, "SetVehicleNitroActivated");
 }
 
 void CVehicleRPCs::DestroyAllVehicles(NetBitStreamInterface& bitStream)
@@ -667,3 +668,26 @@ void CVehicleRPCs::SpawnVehicleFlyingComponent(CClientEntity* const sourceEntity
     if (bitStream.Read(nodeIndex) && bitStream.Read(collisionType) && bitStream.Read(removalTime))
         vehicle->SpawnFlyingComponent(static_cast<eCarNodes>(nodeIndex), static_cast<eCarComponentCollisionTypes>(collisionType), removalTime);
 }
+
+void CVehicleRPCs::SetVehicleNitroActivated(CClientEntity* pSourceEntity, NetBitStreamInterface& bitStream)
+{
+    bool state = bitStream.ReadBit();
+
+    CClientVehicle* vehicle = m_pVehicleManager->Get(pSourceEntity->GetID());
+    if (!vehicle)
+        return;          
+
+    if (!vehicle->IsNitroInstalled())
+        return;
+
+     // If nitro level < 0, nitro is activated. (until nitro level reaches -1, at that point it will become 0 and increase instead of decrease)
+    if ((vehicle->GetNitroLevel() < 0.0f) == state)
+        return;
+
+    // Apply nitro level change
+    if (state)
+        vehicle->SetNitroLevel(vehicle->GetNitroLevel() - 1.0001f);
+    else
+        vehicle->SetNitroLevel(vehicle->GetNitroLevel() + 1.0001f);
+}
+

Client/mods/deathmatch/logic/rpc/CVehicleRPCs.h

@@ -58,4 +58,5 @@ class CVehicleRPCs : public CRPCFunctions
     DECLARE_ELEMENT_RPC(SetVehicleSirens);
     DECLARE_ELEMENT_RPC(SetVehiclePlateText);
     DECLARE_ELEMENT_RPC(SpawnVehicleFlyingComponent);
+    DECLARE_ELEMENT_RPC(SetVehicleNitroActivated);
 };

Server/mods/deathmatch/logic/luadefs/CLuaVehicleDefs.cpp

@@ -127,6 +127,7 @@ void CLuaVehicleDefs::LoadFunctions()
         {"getVehicleSirens", GetVehicleSirens},
         {"getVehicleSirenParams", GetVehicleSirenParams},
         {"setVehiclePlateText", SetVehiclePlateText},
+        {"setVehicleNitroActivated", ArgumentParser<SetVehicleNitroActivated>},
     };
 
     // Add functions
@@ -3046,3 +3047,12 @@ bool CLuaVehicleDefs::SpawnVehicleFlyingComponent(CVehicle* const vehicle, std::
 
     return CStaticFunctionDefinitions::SpawnVehicleFlyingComponent(vehicle, nodeIndex, static_cast<std::uint8_t>(collisionType), removalTime.value_or(-1));
 }
+
+bool CLuaVehicleDefs::SetVehicleNitroActivated(CVehicle* vehicle, bool state) noexcept
+{
+    CBitStream BitStream;
+    BitStream.pBitStream->WriteBit(state);
+
+    m_pPlayerManager->BroadcastOnlyJoined(CElementRPCPacket(vehicle, SET_VEHICLE_NITRO_ACTIVATED, *BitStream.pBitStream));
+    return true;
+}

Server/mods/deathmatch/logic/luadefs/CLuaVehicleDefs.h

@@ -125,6 +125,7 @@ class CLuaVehicleDefs : public CLuaDefs
     LUA_DECLARE(GetVehicleSirens);
     LUA_DECLARE(GetVehicleSirenParams);
     LUA_DECLARE(SetVehiclePlateText);
-
+    
     static bool SpawnVehicleFlyingComponent(CVehicle* const vehicle, std::uint8_t nodeIndex, std::optional<std::uint8_t> componentCollisionType, std::optional<std::uint32_t> removalTime);
+    static bool SetVehicleNitroActivated(CVehicle* vehicle, bool state) noexcept;
 };

Shared/sdk/net/rpc_enums.h

@@ -285,10 +285,10 @@ enum eElementRPCFunctions
 
     RESPAWN_OBJECT,
     TOGGLE_OBJECT_RESPAWN,
-
     RESET_WORLD_PROPERTIES,
-  
+
     SPAWN_VEHICLE_FLYING_COMPONENT,
-  
+    SET_VEHICLE_NITRO_ACTIVATED,
+
     NUM_RPC_FUNCS            // Add above this line
 };