Broadcaster.cpp

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// Broadcaster.cpp

// Implements the broadcasting functions for cWorld

#include "Globals.h"
#include "World.h"
#include "Chunk.h"
#include "ClientHandle.h"
#include "Entities/Entity.h"
#include "Entities/Player.h"
#include "BlockEntities/BlockEntity.h"





namespace
{

    template <typename Func>
    void ForClientsInWorld(cWorld & a_World, const cClientHandle * a_Exclude, Func a_Func)
    {
        a_World.ForEachPlayer([&](cPlayer & a_Player)
            {
                cClientHandle * Client = a_Player.GetClientHandle();
                if ((Client != a_Exclude) && (Client != nullptr) && Client->IsLoggedIn() && !Client->IsDestroyed())
                {
                    a_Func(*Client);
                }
                return false;
            }
        );
    }


    template <typename Func>
    void ForClientsWithChunk(const cChunkCoords a_ChunkCoords, cWorld & a_World, const cClientHandle * a_Exclude, Func a_Func)
    {
        a_World.DoWithChunk(a_ChunkCoords.m_ChunkX, a_ChunkCoords.m_ChunkZ,
            [&](cChunk & a_Chunk)
            {
                for (auto * Client : a_Chunk.GetAllClients())
                {
                    if (Client != a_Exclude)
                    {
                        a_Func(*Client);
                    }
                }
                return true;
            }
        );
    }



    template <typename Func>
    void ForClientsWithChunkAtPos(const Vector3i a_WorldPos, cWorld & a_World, const cClientHandle * a_Exclude, Func a_Func)
    {
        ForClientsWithChunk(cChunkDef::BlockToChunk(a_WorldPos), a_World, a_Exclude, std::move(a_Func));
    }



    template <typename Func>
    void ForClientsWithEntity(const cEntity & a_Entity, cWorld & a_World, const cClientHandle * a_Exclude, Func a_Func)
    {
        cWorld::cLock Lock(a_World);  // Lock world before accessing a_Entity
        auto Chunk = a_Entity.GetParentChunk();
        if (Chunk != nullptr)
        {
            for (auto * Client : Chunk->GetAllClients())
            {
                if (Client != a_Exclude)
                {
                    a_Func(*Client);
                }
            }
        }
        else  // Some broadcasts happen before the entity's first tick sets its ParentChunk
        {
            ForClientsWithChunk({ a_Entity.GetChunkX(), a_Entity.GetChunkZ() }, a_World, a_Exclude, std::move(a_Func));
        }
    }
}  // namespace (anonymous)





void cWorld::BroadcastAttachEntity(const cEntity & a_Entity, const cEntity & a_Vehicle)
{
    ForClientsWithEntity(a_Entity, *this, nullptr, [&](cClientHandle & a_Client)
        {
            a_Client.SendAttachEntity(a_Entity, a_Vehicle);
        }
    );
}





void cWorld::BroadcastBlockAction(Vector3i a_BlockPos, Byte a_Byte1, Byte a_Byte2, BLOCKTYPE a_BlockType, const cClientHandle * a_Exclude)
{
    ForClientsWithChunkAtPos(a_BlockPos, *this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendBlockAction(a_BlockPos.x, a_BlockPos.y, a_BlockPos.z, static_cast<char>(a_Byte1), static_cast<char>(a_Byte2), a_BlockType);
        }
    );
}





void cWorld::BroadcastBlockBreakAnimation(UInt32 a_EntityID, Vector3i a_BlockPos, Int8 a_Stage, const cClientHandle * a_Exclude)
{
    ForClientsWithChunkAtPos(a_BlockPos, *this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendBlockBreakAnim(a_EntityID, a_BlockPos.x, a_BlockPos.y, a_BlockPos.z, a_Stage);
        }
    );
}





void cWorld::BroadcastBlockEntity(Vector3i a_BlockPos, const cClientHandle * a_Exclude)
{
    DoWithChunkAt(a_BlockPos, [&](cChunk & a_Chunk)
        {
            cBlockEntity * Entity = a_Chunk.GetBlockEntity(a_BlockPos);
            if (Entity == nullptr)
            {
                return false;
            }

            for (auto * Client : a_Chunk.GetAllClients())
            {
                if (Client != a_Exclude)
                {
                    Entity->SendTo(*Client);
                }
            }
            return true;
        }
    );
}





void cWorld::BroadcastChat(const AString & a_Message, const cClientHandle * a_Exclude, eMessageType a_ChatPrefix)
{
    ForClientsInWorld(*this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendChat(a_Message, a_ChatPrefix);
        }
    );
}





void cWorld::BroadcastChat(const cCompositeChat & a_Message, const cClientHandle * a_Exclude)
{
    ForClientsInWorld(*this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendChat(a_Message);
        }
    );
}





void cWorld::BroadcastCollectEntity(const cEntity & a_Entity, const cPlayer & a_Player, int a_Count, const cClientHandle * a_Exclude)
{
    ForClientsWithEntity(a_Entity, *this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendCollectEntity(a_Entity, a_Player, a_Count);
        }
    );
}





void cWorld::BroadcastDestroyEntity(const cEntity & a_Entity, const cClientHandle * a_Exclude)
{
    ForClientsWithEntity(a_Entity, *this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendDestroyEntity(a_Entity);
        }
    );
}





void cWorld::BroadcastDetachEntity(const cEntity & a_Entity, const cEntity & a_PreviousVehicle)
{
    ForClientsWithEntity(a_Entity, *this, nullptr, [&](cClientHandle & a_Client)
        {
            a_Client.SendDetachEntity(a_Entity, a_PreviousVehicle);
        }
    );
}





void cWorld::BroadcastDisplayObjective(const AString & a_Objective, cScoreboard::eDisplaySlot a_Display)
{
    ForClientsInWorld(*this, nullptr, [&](cClientHandle & a_Client)
        {
            a_Client.SendDisplayObjective(a_Objective, a_Display);
        }
    );
}





void cWorld::BroadcastEntityEffect(const cEntity & a_Entity, int a_EffectID, int a_Amplifier, int a_Duration, const cClientHandle * a_Exclude)
{
    ForClientsWithEntity(a_Entity, *this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendEntityEffect(a_Entity, a_EffectID, a_Amplifier, a_Duration);
        }
    );
}





void cWorld::BroadcastEntityEquipment(const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item, const cClientHandle * a_Exclude)
{
    ForClientsWithEntity(a_Entity, *this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendEntityEquipment(a_Entity, a_SlotNum, a_Item);
        }
    );
}





void cWorld::BroadcastEntityHeadLook(const cEntity & a_Entity, const cClientHandle * a_Exclude)
{
    ForClientsWithEntity(a_Entity, *this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendEntityHeadLook(a_Entity);
        }
    );
}





void cWorld::BroadcastEntityLook(const cEntity & a_Entity, const cClientHandle * a_Exclude)
{
    ForClientsWithEntity(a_Entity, *this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendEntityLook(a_Entity);
        }
    );
}





void cWorld::BroadcastEntityMetadata(const cEntity & a_Entity, const cClientHandle * a_Exclude)
{
    ForClientsWithEntity(a_Entity, *this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendEntityMetadata(a_Entity);
        }
    );
}





void cWorld::BroadcastEntityRelMove(const cEntity & a_Entity, Vector3<Int8> a_RelMove, const cClientHandle * a_Exclude)
{
    ForClientsWithEntity(a_Entity, *this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendEntityRelMove(a_Entity, a_RelMove.x, a_RelMove.y, a_RelMove.z);
        }
    );
}





void cWorld::BroadcastEntityRelMoveLook(const cEntity & a_Entity, Vector3<Int8> a_RelMove, const cClientHandle * a_Exclude)
{
    ForClientsWithEntity(a_Entity, *this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendEntityRelMoveLook(a_Entity, a_RelMove.x, a_RelMove.y, a_RelMove.z);
        }
    );
}





void cWorld::BroadcastEntityStatus(const cEntity & a_Entity, Int8 a_Status, const cClientHandle * a_Exclude)
{
    ForClientsWithEntity(a_Entity, *this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendEntityStatus(a_Entity, a_Status);
        }
    );
}





void cWorld::BroadcastEntityVelocity(const cEntity & a_Entity, const cClientHandle * a_Exclude)
{
    ForClientsWithEntity(a_Entity, *this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendEntityVelocity(a_Entity);
        }
    );
}





void cWorld::BroadcastEntityAnimation(const cEntity & a_Entity, Int8 a_Animation, const cClientHandle * a_Exclude)
{
    ForClientsWithEntity(a_Entity, *this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendEntityAnimation(a_Entity, a_Animation);
        }
    );
}





void cWorld::BroadcastLeashEntity(const cEntity & a_Entity, const cEntity & a_EntityLeashedTo)
{
    ForClientsWithEntity(a_Entity, *this, nullptr, [&](cClientHandle & a_Client)
        {
            a_Client.SendLeashEntity(a_Entity, a_EntityLeashedTo);
        }
    );
}





void cWorld::BroadcastParticleEffect(const AString & a_ParticleName, const Vector3f a_Src, const Vector3f a_Offset, float a_ParticleData, int a_ParticleAmount, const cClientHandle * a_Exclude)
{
    ForClientsWithChunkAtPos(a_Src, *this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendParticleEffect(a_ParticleName, a_Src.x, a_Src.y, a_Src.z, a_Offset.x, a_Offset.y, a_Offset.z, a_ParticleData, a_ParticleAmount);
        }
    );
}





void cWorld::BroadcastParticleEffect(const AString & a_ParticleName, const Vector3f a_Src, const Vector3f a_Offset, float a_ParticleData, int a_ParticleAmount, std::array<int, 2> a_Data, const cClientHandle * a_Exclude)
{
    ForClientsWithChunkAtPos(a_Src, *this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendParticleEffect(a_ParticleName, a_Src, a_Offset, a_ParticleData, a_ParticleAmount, a_Data);
        }
    );
}





void cWorld::BroadcastPlayerListAddPlayer(const cPlayer & a_Player, const cClientHandle * a_Exclude)
{
    ForClientsInWorld(*this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendPlayerListAddPlayer(a_Player);
        }
    );
}





void cWorld::BroadcastPlayerListRemovePlayer(const cPlayer & a_Player, const cClientHandle * a_Exclude)
{
    ForClientsInWorld(*this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendPlayerListRemovePlayer(a_Player);
        }
    );
}





void cWorld::BroadcastPlayerListUpdateGameMode(const cPlayer & a_Player, const cClientHandle * a_Exclude)
{
    ForClientsInWorld(*this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendPlayerListUpdateGameMode(a_Player);
        }
    );
}





void cWorld::BroadcastPlayerListUpdatePing(const cPlayer & a_Player, const cClientHandle * a_Exclude)
{
    ForClientsInWorld(*this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendPlayerListUpdatePing(a_Player);
        }
    );
}





void cWorld::BroadcastPlayerListUpdateDisplayName(const cPlayer & a_Player, const AString & a_CustomName, const cClientHandle * a_Exclude)
{
    ForClientsInWorld(*this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendPlayerListUpdateDisplayName(a_Player, a_CustomName);
        }
    );
}





void cWorld::BroadcastRemoveEntityEffect(const cEntity & a_Entity, int a_EffectID, const cClientHandle * a_Exclude)
{
    ForClientsWithEntity(a_Entity, *this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendRemoveEntityEffect(a_Entity, a_EffectID);
        }
    );
}





void cWorld::BroadcastScoreboardObjective(const AString & a_Name, const AString & a_DisplayName, Byte a_Mode)
{
    ForClientsInWorld(*this, nullptr, [&](cClientHandle & a_Client)
        {
            a_Client.SendScoreboardObjective(a_Name, a_DisplayName, a_Mode);
        }
    );
}





void cWorld::BroadcastScoreUpdate(const AString & a_Objective, const AString & a_PlayerName, cObjective::Score a_Score, Byte a_Mode)
{
    ForClientsInWorld(*this, nullptr, [&](cClientHandle & a_Client)
        {
            a_Client.SendScoreUpdate(a_Objective, a_PlayerName, a_Score, a_Mode);
        }
    );
}





void cWorld::BroadcastSoundEffect(const AString & a_SoundName, Vector3d a_Position, float a_Volume, float a_Pitch, const cClientHandle * a_Exclude)
{
    ForClientsWithChunkAtPos(a_Position, *this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendSoundEffect(a_SoundName, a_Position, a_Volume, a_Pitch);
        }
    );
}





void cWorld::BroadcastSoundParticleEffect(const EffectID a_EffectID, Vector3i a_SrcPos, int a_Data, const cClientHandle * a_Exclude)
{
    ForClientsWithChunkAtPos(a_SrcPos, *this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendSoundParticleEffect(a_EffectID, a_SrcPos.x, a_SrcPos.y, a_SrcPos.z, a_Data);
        }
    );
}





void cWorld::BroadcastSpawnEntity(cEntity & a_Entity, const cClientHandle * a_Exclude)
{
    ForClientsWithEntity(a_Entity, *this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Entity.SpawnOn(a_Client);
        }
    );
}





void cWorld::BroadcastTeleportEntity(const cEntity & a_Entity, const cClientHandle * a_Exclude)
{
    ForClientsInWorld(*this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendTeleportEntity(a_Entity);
        }
    );
}





void cWorld::BroadcastThunderbolt(Vector3i a_BlockPos, const cClientHandle * a_Exclude)
{
    ForClientsWithChunkAtPos(a_BlockPos, *this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendThunderbolt(a_BlockPos.x, a_BlockPos.y, a_BlockPos.z);
        }
    );
}





void cWorld::BroadcastTimeUpdate(const cClientHandle * a_Exclude)
{
    ForClientsInWorld(*this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendTimeUpdate(GetWorldAge(), GetTimeOfDay(), IsDaylightCycleEnabled());
        }
    );
}





void cWorld::BroadcastUnleashEntity(const cEntity & a_Entity)
{
    ForClientsWithEntity(a_Entity, *this, nullptr, [&](cClientHandle & a_Client)
        {
            a_Client.SendUnleashEntity(a_Entity);
        }
    );
}





void cWorld::BroadcastUseBed(const cEntity & a_Entity, Vector3i a_BedPos)
{
    ForClientsWithChunkAtPos(a_BedPos, *this, nullptr, [&](cClientHandle & a_Client)
        {
            a_Client.SendUseBed(a_Entity, a_BedPos.x, a_BedPos.y, a_BedPos.z);
        }
    );
}





void cWorld::BroadcastWeather(eWeather a_Weather, const cClientHandle * a_Exclude)
{
    ForClientsInWorld(*this, a_Exclude, [&](cClientHandle & a_Client)
        {
            a_Client.SendWeather(a_Weather);
        }
    );
}