source: Daodan/MSVC/Flatline_PacketReader.c@ 683

#include "Flatline.h"

bool DoWeUpdateThis( uint16_t BitSet, uint16_t Flag )
{
        if( BitSet & (1 << Flag) ) return true;
        return false;
}

//Long winded?



void FLcPacketBufferToPlayerData( PlayerData* PD)
{
        player_info* PI = PlayerList[PD->ID];
        uint8_t * DataPointer = PD->data;

        static player_info BufferData[MAX_PLAYERS] = {0};
        static bool IsBuffered[32];
        

        if(!PI)
        {
                //TODO: Store this data and then apply it once we have a character that matches!
                flatline_packet pk;
                pk.id = PK_MISSING_PLAYER;
                pk.integer = PD->ID;
                NetUDPSocket_Send(client_sock, (sockaddr*)&address, (char*)&pk, FLATLINE_HEADER + 4 );
                
                IsBuffered[PD->ID] = 1;
                PI = &BufferData[PD->ID];
                
                //return;
        }
        else if(IsBuffered[PD->ID])
        {
                player_info* Buffer = BufferData + PD->ID;
                if( DoWeUpdateThis( Buffer->UpdateFlags, PFlag_Input) ) PI->Input = Buffer->Input;
                if( DoWeUpdateThis( Buffer->UpdateFlags, PFlag_Facing) )        PI->Facings = Buffer->Facings;
                if( DoWeUpdateThis( Buffer->UpdateFlags, PFlag_Health) )        PI->Health = Buffer->Health;
                if( DoWeUpdateThis( Buffer->UpdateFlags, PFlag_FramePing) )     {
                        PI->Frame = Buffer->Frame;
                        PI->Ping = Buffer->Ping;
                }
                //if( DoWeUpdateThis( Buffer->UpdateFlags, PFlag_Inventory) )   PI->invi= Buffer->Input;
                if( DoWeUpdateThis( Buffer->UpdateFlags, PFlag_Class) ) 
                {
                        PI->Class = Buffer->Class;
                        sprintf_s( PI->ClassString, 32, "%s", Buffer->ClassString );
                }

                if( DoWeUpdateThis( Buffer->UpdateFlags, PFlag_Position) )      PI->Position = Buffer->Position;
                if( DoWeUpdateThis( Buffer->UpdateFlags, PFlag_Animation) )     
                {
                        PI->Animation = Buffer->Animation;
                        sprintf_s( PI->AnimationString, 32, "%s", Buffer->AnimationString);
                }
                if( DoWeUpdateThis( Buffer->UpdateFlags, PFlag_Throws) )        PI->ThrowData = Buffer->ThrowData;
                
                PI->UpdateFlags |= Buffer->UpdateFlags;
                IsBuffered[PD->ID] = 0;
        }

        if( DoWeUpdateThis( PD->UpdateFlags, PFlag_Input) )
        {
                PI->Input = *(PlayerInput*)DataPointer;
                DataPointer += FLpData_PartSize( PFlag_Input);
        }

        if( DoWeUpdateThis( PD->UpdateFlags, PFlag_Facing) )
        {
                PI->Facings = *(PlayerFacing*)DataPointer;
                DataPointer += FLpData_PartSize( PFlag_Facing);
        }

        if( DoWeUpdateThis( PD->UpdateFlags, PFlag_Health) )
        {
                PI->Health = *(PlayerHealth*)DataPointer;
                DataPointer += FLpData_PartSize( PFlag_Health);
        }

        //Not done
        if( DoWeUpdateThis( PD->UpdateFlags, PFlag_Score) )
        {
                PI->Score = *(PlayerScore*)DataPointer;
                DataPointer += FLpData_PartSize( PFlag_Score);
        }
        
        if( DoWeUpdateThis( PD->UpdateFlags, PFlag_FramePing) )
        {
                PlayerFP* FP = (PlayerFP*)DataPointer;
                PI->Ping = FP->Ping;
                
                if(FP->Frame != -1)
                {
                        PI->Frame = FP->Frame;
                }
                else
                {
                        PD->UpdateFlags &= ~( 1 << PFlag_FramePing );
                }
                DataPointer += FLpData_PartSize( PFlag_FramePing);
        }
        
        //Not done
        if( DoWeUpdateThis( PD->UpdateFlags, PFlag_Inventory) )
        {
                PI->Inventory = *(PlayerInventory*)DataPointer;
                DataPointer += FLpData_PartSize( PFlag_Inventory );
        }
                
        if( DoWeUpdateThis( PD->UpdateFlags, PFlag_Class ) )
        {
                sprintf_s( PI->ClassString, 32, "%s", DataPointer );
                TMrInstance_GetDataPtr( 'ONCC', (char*)DataPointer, &PI->Class ); 
                DataPointer += FLpData_PartSize( PFlag_Class );
        }
                
        if( DoWeUpdateThis( PD->UpdateFlags, PFlag_Position ) )
        {
                PI->Position = *(Vector3*)DataPointer;
                DataPointer += FLpData_PartSize( PFlag_Position );
        }
                
        if( DoWeUpdateThis( PD->UpdateFlags, PFlag_Animation ) )
        {
                sprintf_s( PI->AnimationString, 32, "%s", DataPointer );
                TMrInstance_GetDataPtr( 'TRAM', PI->AnimationString, &PI->Animation );
                DataPointer += FLpData_PartSize( PFlag_Animation );
        }
                
        if( DoWeUpdateThis( PD->UpdateFlags, PFlag_Throws ) )
        {
                PI->ThrowData = *(PlayerThrowData*)DataPointer;
                DataPointer += FLpData_PartSize( PFlag_Throws );
        }


        PI->UpdateFlags |= PD->UpdateFlags;
}

void FLcReadPlayerData( flatline_packet* Packet, int16_t Size )
{
        PlayerData* PDCast = (PlayerData*)Packet->data;
        Size -= FLATLINE_HEADER;
        while(Size > 0)
        {
                if(PDCast->Size > Size)
                {
                        DDrConsole_PrintF( "Warning, (almost) read %hi bytes too much of player data buffer", -Size );
                        break;
                }
                FLcPacketBufferToPlayerData( PDCast );
                Size -= PDCast->Size;
                PDCast = (PlayerData*)((char*)PDCast + PDCast->Size);
        }

        //Packet
}