SCR_MPDestructionManager.c

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#define ENABLE_BASE_DESTRUCTION
//------------------------------------------------------------------------------------------------
[EntityEditorProps(category: "GameScripted/Destruction", description: "Manager for destructibles", color: "0 0 255 255")]
class SCR_MPDestructionManagerClass: GenericEntityClass
{
};
 
//------------------------------------------------------------------------------------------------
class SCR_DestructibleIdentificator
{
    protected EntityID m_EntityID = EntityID.INVALID;
    protected RplId m_RplId = RplId.Invalid();
    protected int m_iIndex = -1;
    
    //------------------------------------------------------------------------------------------------
    void SetIndex(int index)
    {
        m_iIndex = index;
    }
    
    //------------------------------------------------------------------------------------------------
    void SetRplId(RplId rplId)
    {
        m_RplId = rplId;
    }
    
    //------------------------------------------------------------------------------------------------
    void SetEntityID(EntityID entityID)
    {
        m_EntityID = entityID;
    }
    
    //------------------------------------------------------------------------------------------------
    RplId GetRplId(out int index)
    {
        index = m_iIndex;
        return m_RplId;
    }
    
    //------------------------------------------------------------------------------------------------
    IEntity GetEntity()
    {
        if (m_EntityID != EntityID.INVALID)
        {
            BaseWorld world = GetGame().GetWorld();
            if (world)
                return world.FindEntityByID(m_EntityID);
        }
        
        return null;
    }
    
    //################################################################################################
    //------------------------------------------------------------------------------------------------
    static void Encode(SSnapSerializerBase snapshot, ScriptCtx ctx, ScriptBitSerializer packet) 
    {
        snapshot.Serialize(packet, 16);
    }
    
    //------------------------------------------------------------------------------------------------
    static bool Decode(ScriptBitSerializer packet, ScriptCtx ctx, SSnapSerializerBase snapshot) 
    {
        return snapshot.Serialize(packet, 16);
    }
    
    //------------------------------------------------------------------------------------------------
    static bool SnapCompare(SSnapSerializerBase lhs, SSnapSerializerBase rhs, ScriptCtx ctx) 
    {   
        return lhs.CompareSnapshots(rhs, 16);
    }
    
    //------------------------------------------------------------------------------------------------
    static bool PropCompare(SCR_DestructibleIdentificator prop, SSnapSerializerBase snapshot, ScriptCtx ctx) 
    {
        return snapshot.Compare(prop.m_EntityID, 8)
            && snapshot.Compare(prop.m_RplId, 4)
            && snapshot.Compare(prop.m_iIndex, 4);
    }
    
    //------------------------------------------------------------------------------------------------
    static bool Extract(SCR_DestructibleIdentificator prop, ScriptCtx ctx, SSnapSerializerBase snapshot) 
    {
        snapshot.SerializeBytes(prop.m_EntityID, 8);
        snapshot.SerializeBytes(prop.m_RplId, 4);
        snapshot.SerializeBytes(prop.m_iIndex, 4);
        
        return true;
    }
    
    //------------------------------------------------------------------------------------------------
    static bool Inject(SSnapSerializerBase snapshot, ScriptCtx ctx, SCR_DestructibleIdentificator prop) 
    {
        snapshot.SerializeBytes(prop.m_EntityID, 8);
        snapshot.SerializeBytes(prop.m_RplId, 4);
        snapshot.SerializeBytes(prop.m_iIndex, 4);
        
        return true;
    }
};
 
//------------------------------------------------------------------------------------------------
class SCR_MPDestructionManager : GenericEntity
{
#ifdef ENABLE_BASE_DESTRUCTION
    [Attribute("", UIWidgets.Auto, desc: "AudioSourceConfiguration shared by all MPDDestruction sounds")]
    ref SCR_AudioSourceConfiguration m_AudioSourceConfiguration;
    
    static const string ENTITY_SIZE_SIGNAL_NAME = "EntitySize";
    static const string PHASES_TO_DESTROYED_PHASE_SIGNAL_NAME = "PhasesToDestroyed";
    static const string COLLISIONDV_SIGNAL_NAME = "CollisionDV";
    static const ResourceName DESTRUCTION_MANAGER_PREFAB = "{9BB369F2803C6F71}Prefabs/MP/MPDestructionManager.et";
    static private SCR_MPDestructionManager s_Instance = null;
    static bool s_bInitialized = false;
    
    protected ref array<EntityID> m_ChangedDestructibles = new array<EntityID>();
    protected ref array<EntityID> m_DeletedDestructibles = new array<EntityID>();
    protected ref map<RplId, ref array<SCR_DestructionDamageManagerComponent>> m_mDynamicallySpawnedDestructibles = new map<RplId, ref array<SCR_DestructionDamageManagerComponent>>();
    protected ref map<RplId, ref array<int>> m_mChangedDynamicallySpawnedDestructibles = new map<RplId, ref array<int>>();
    protected ref map<RplId, ref array<int>> m_mDeletedDynamicallySpawnedDestructibles = new map<RplId, ref array<int>>();
    protected ref array<SCR_DestructionBaseHandler> m_aDestroyInFrame = {};
    protected RplComponent m_RplComponent;
    
    //------------------------------------------------------------------------------------------------
    static bool IsInitialized()
    {
        return s_bInitialized;
    }
    
    //------------------------------------------------------------------------------------------------
    static notnull SCR_MPDestructionManager InitializeDestructionManager()
    {
        if (!s_Instance)
        {
            Resource resource = Resource.Load(DESTRUCTION_MANAGER_PREFAB);
            if (!resource)
            {
                Print("SCR_MPDestructionManager::CreateInstance(): Failed to create instance! Destruction of objects will not be synched!", LogLevel.ERROR);
                return SCR_MPDestructionManager.Cast(GetGame().SpawnEntity(SCR_MPDestructionManager));
            }
            
            GetGame().SpawnEntityPrefab(resource);
        }
        
        s_bInitialized = true;
        return s_Instance;
    }
    
    //------------------------------------------------------------------------------------------------
    static SCR_MPDestructionManager GetInstance()
    {
        return s_Instance;
    }
    
    //------------------------------------------------------------------------------------------------
    bool IsProxy()
    {
        return (m_RplComponent && m_RplComponent.IsProxy());
    }
    
    //------------------------------------------------------------------------------------------------
    protected void DestroyDelayed()
    {
        for (int i = m_aDestroyInFrame.Count() - 1; i >= 0; i--)
        {
            SCR_DestructionBaseHandler handler = m_aDestroyInFrame[i];
            if (handler)
                handler.HandleDestruction();
 
            m_aDestroyInFrame.Remove(i);
        }
    }
    
    //------------------------------------------------------------------------------------------------
    void DestroyInFrame(SCR_DestructionBaseHandler handler)
    {
        m_aDestroyInFrame.Insert(handler);
        SetEventMask(EntityEvent.FRAME);
    }
    
    //------------------------------------------------------------------------------------------------
    override bool RplLoad(ScriptBitReader reader)
    {
        SCR_DestructionDamageManagerComponent.SetReadingInit(true);
        
        // First read IDs for deleted destructibles on the server and delete them locally
        int numDeleted;
        reader.ReadInt(numDeleted); // Read num deleted
        for (int i = 0; i < numDeleted; i++)
        {
            EntityID entID;
            reader.ReadEntityId(entID); // Read entity ID of each deleted destructible
            
            IEntity entity = GetWorld().FindEntityByID(entID);
            if (!entity)
                continue;
            
            SCR_DestructionDamageManagerComponent destructible = SCR_DestructionDamageManagerComponent.Cast(entity.FindComponent(SCR_DestructionDamageManagerComponent));
            if (!destructible)
                continue;
            
            destructible.DeleteDestructible();
        }
        
        // Now pass data from server destructibles to local ones
        int numDestructibles;
        reader.ReadInt(numDestructibles); // Read num destructibles sent
        for (int i = 0; i < numDestructibles; i++)
        {
            EntityID entID;
            reader.ReadEntityId(entID); // Read entity ID of each destructible to be read
            
            IEntity entity = GetWorld().FindEntityByID(entID);
            if (!entity)
                continue;
            
            SCR_DestructionDamageManagerComponent destructible = SCR_DestructionDamageManagerComponent.Cast(entity.FindComponent(SCR_DestructionDamageManagerComponent));
            if (!destructible)
                continue;
            
            destructible.NetReadInit(reader);
        }
        
        SCR_DestructionDamageManagerComponent.SetReadingInit(false);
        return true;
    }
 
    //------------------------------------------------------------------------------------------------
    override bool RplSave(ScriptBitWriter writer)
    {
        // First send all the destructibles that have been deleted
        int numDeleted = m_DeletedDestructibles.Count();
        writer.WriteInt(numDeleted); // Write num deleted
        for (int i = 0; i < numDeleted; i++)
        {
            writer.WriteEntityId(m_DeletedDestructibles[i]); // Write entity ID of each deleted destructible
        }
        
        // Send destructibles' data
        int numChanged = m_ChangedDestructibles.Count();
        writer.WriteInt(numChanged); // Write num destructibles
        for (int i = 0; i < numChanged; i++)
        {
            EntityID entID = m_ChangedDestructibles[i];
            IEntity entity = GetWorld().FindEntityByID(entID);
            if (!entity)
                continue;
            
            SCR_DestructionDamageManagerComponent destructible = SCR_DestructionDamageManagerComponent.Cast(entity.FindComponent(SCR_DestructionDamageManagerComponent));
            if (!destructible)
                continue;
            
            writer.WriteEntityId(entID); // Write entity ID of each destructible to be sent
            destructible.NetWriteInit(writer); // Tell destructible to write its data
        }
        
        return true;
    }
    
    //------------------------------------------------------------------------------------------------
    SCR_AudioSourceConfiguration GetAudioSourceConfiguration()
    {
        return m_AudioSourceConfiguration;
    }
            
    //------------------------------------------------------------------------------------------------
    protected override void EOnFrame(IEntity owner, float timeSlice)
    {
        ClearEventMask(EntityEvent.FRAME);
        DestroyDelayed();
    }
    
    //------------------------------------------------------------------------------------------------
    override void EOnInit(IEntity owner)
    {
        m_RplComponent = RplComponent.Cast(FindComponent(RplComponent));
    }
    
    //------------------------------------------------------------------------------------------------
    int RegisterDynamicallySpawnedDestructible(notnull SCR_DestructionDamageManagerComponent destructible, RplId rplId)
    {
        array<SCR_DestructionDamageManagerComponent> destructibles = m_mDynamicallySpawnedDestructibles.Get(rplId);
        if (!destructibles)
        {
            destructibles = new array<SCR_DestructionDamageManagerComponent>();
            m_mDynamicallySpawnedDestructibles.Insert(rplId, destructibles);
        }
        
        return destructibles.Insert(destructible);
    }
    
    //------------------------------------------------------------------------------------------------
    SCR_DestructionDamageManagerComponent FindDynamicallySpawnedDestructibleByIndex(RplId rplId, int index)
    {
        array<SCR_DestructionDamageManagerComponent> destructibles = m_mDynamicallySpawnedDestructibles.Get(rplId);
        if (!destructibles)
            return null;
        
        if (index >= 0 && index < destructibles.Count())
            return destructibles[index];
        
        return null;
    }
    
    //------------------------------------------------------------------------------------------------
    int FindDynamicallySpawnedDestructibleIndex(RplId rplId, SCR_DestructionDamageManagerComponent destructible)
    {
        array<SCR_DestructionDamageManagerComponent> destructibles = m_mDynamicallySpawnedDestructibles.Get(rplId);
        if (!destructibles)
            return -1;
        
        return destructibles.Find(destructible);
    }
    
    //------------------------------------------------------------------------------------------------
    void RegisterDeletedDynamicallySpawnedDestructible(notnull SCR_DestructionDamageManagerComponent destructible, RplId rplId)
    {
        int index = FindDynamicallySpawnedDestructibleIndex(rplId, destructible);
        if (index != -1)
        {
            array<int> deletedDestructibles = m_mDeletedDynamicallySpawnedDestructibles.Get(rplId);
            if (!deletedDestructibles)
            {
                deletedDestructibles = new array<int>();
                m_mDeletedDynamicallySpawnedDestructibles.Insert(rplId, deletedDestructibles);
            }
            
            deletedDestructibles.Insert(index);
        }
    }
    
    //------------------------------------------------------------------------------------------------
    void RegisterChangedDynamicallySpawnedDestructible(notnull SCR_DestructionDamageManagerComponent destructible, RplId rplId)
    {
        int index = FindDynamicallySpawnedDestructibleIndex(rplId, destructible);
        if (index != -1)
        {
            array<int> changedDestructibles = m_mChangedDynamicallySpawnedDestructibles.Get(rplId);
            if (!changedDestructibles)
            {
                changedDestructibles = new array<int>();
                m_mChangedDynamicallySpawnedDestructibles.Insert(rplId, changedDestructibles);
            }
            
            changedDestructibles.Insert(index);
        }
    }
    
    //------------------------------------------------------------------------------------------------
    void SCR_MPDestructionManager(IEntitySource src, IEntity parent)
    {
        s_Instance = this;
        
        SetEventMask(EntityEvent.INIT);
        
        #ifdef ENABLE_DIAG 
            DiagMenu.RegisterBool(SCR_DebugMenuID.DEBUGUI_SOUNDS_MPDESTRUCTION_SHOW_IMPULSEVALUES, "", "Show MPD Impulse Values", "Sounds"); 
        #endif
    }
 
    //------------------------------------------------------------------------------------------------
    void ~SCR_MPDestructionManager()
    {
        #ifdef ENABLE_DIAG 
            DiagMenu.Unregister(SCR_DebugMenuID.DEBUGUI_SOUNDS_MPDESTRUCTION_SHOW_IMPULSEVALUES); 
        #endif
    }
#endif
};