//========= Copyright 1996-2005, Valve Corporation, All rights reserved. ============// // // Purpose: // // $NoKeywords: $ //=============================================================================// #include "cbase.h" #include "usercmd.h" #include "bitbuf.h" #include "checksum_md5.h" // memdbgon must be the last include file in a .cpp file!!! #include "tier0/memdbgon.h" #define WEAPON_SUBTYPE_BITS 6 //----------------------------------------------------------------------------- // Purpose: Write a delta compressed user command. // Input : *buf - // *to - // *from - // Output : static //----------------------------------------------------------------------------- void WriteUsercmd( bf_write *buf, CUserCmd *to, CUserCmd *from ) { if ( to->command_number != ( from->command_number + 1 ) ) { buf->WriteOneBit( 1 ); buf->WriteUBitLong( to->command_number, 32 ); } else { buf->WriteOneBit( 0 ); } if ( to->tick_count != ( from->tick_count + 1 ) ) { buf->WriteOneBit( 1 ); buf->WriteUBitLong( to->tick_count, 32 ); } else { buf->WriteOneBit( 0 ); } if ( to->viewangles[ 0 ] != from->viewangles[ 0 ] ) { buf->WriteOneBit( 1 ); buf->WriteBitAngle( to->viewangles[ 0 ], 16 ); } else { buf->WriteOneBit( 0 ); } if ( to->viewangles[ 1 ] != from->viewangles[ 1 ] ) { buf->WriteOneBit( 1 ); buf->WriteBitAngle( to->viewangles[ 1 ], 16 ); } else { buf->WriteOneBit( 0 ); } if ( to->viewangles[ 2 ] != from->viewangles[ 2 ] ) { buf->WriteOneBit( 1 ); buf->WriteBitAngle( to->viewangles[ 2 ], 8 ); } else { buf->WriteOneBit( 0 ); } if ( to->forwardmove != from->forwardmove ) { buf->WriteOneBit( 1 ); buf->WriteSBitLong( to->forwardmove, 16 ); } else { buf->WriteOneBit( 0 ); } if ( to->sidemove != from->sidemove ) { buf->WriteOneBit( 1 ); buf->WriteSBitLong( to->sidemove, 16 ); } else { buf->WriteOneBit( 0 ); } if ( to->upmove != from->upmove ) { buf->WriteOneBit( 1 ); buf->WriteSBitLong( to->upmove, 16 ); } else { buf->WriteOneBit( 0 ); } if ( to->buttons != from->buttons ) { buf->WriteOneBit( 1 ); buf->WriteUBitLong( to->buttons, 32 ); } else { buf->WriteOneBit( 0 ); } if ( to->impulse != from->impulse ) { buf->WriteOneBit( 1 ); buf->WriteUBitLong( to->impulse, 8 ); } else { buf->WriteOneBit( 0 ); } if ( to->weaponselect != from->weaponselect ) { buf->WriteOneBit( 1 ); buf->WriteUBitLong( to->weaponselect, MAX_EDICT_BITS ); if ( to->weaponsubtype != from->weaponsubtype ) { buf->WriteOneBit( 1 ); buf->WriteUBitLong( to->weaponsubtype, WEAPON_SUBTYPE_BITS ); } else { buf->WriteOneBit( 0 ); } } else { buf->WriteOneBit( 0 ); } // TODO: Can probably get away with fewer bits. if ( to->mousedx != from->mousedx ) { buf->WriteOneBit( 1 ); buf->WriteShort( to->mousedx ); } else { buf->WriteOneBit( 0 ); } if ( to->mousedy != from->mousedy ) { buf->WriteOneBit( 1 ); buf->WriteShort( to->mousedy ); } else { buf->WriteOneBit( 0 ); } #if defined( HL2_CLIENT_DLL ) if ( to->entitygroundcontact.Count() != 0 ) { buf->WriteOneBit( 1 ); buf->WriteShort( to->entitygroundcontact.Count() ); int i; for (i = 0; i < to->entitygroundcontact.Count(); i++) { buf->WriteUBitLong( to->entitygroundcontact[i].entindex, MAX_EDICT_BITS ); buf->WriteBitCoord( to->entitygroundcontact[i].minheight ); buf->WriteBitCoord( to->entitygroundcontact[i].maxheight ); } to->entitygroundcontact.RemoveAll(); } else { buf->WriteOneBit( 0 ); } #endif } //----------------------------------------------------------------------------- // Purpose: Read in a delta compressed usercommand. // Input : *buf - // *move - // *from - // Output : static void ReadUsercmd //----------------------------------------------------------------------------- void ReadUsercmd( bf_read *buf, CUserCmd *move, CUserCmd *from ) { // Assume no change *move = *from; if ( buf->ReadOneBit() ) { move->command_number = buf->ReadUBitLong( 32 ); } else { // Assume steady increment move->command_number = from->command_number + 1; } if ( buf->ReadOneBit() ) { move->tick_count = buf->ReadUBitLong( 32 ); } else { // Assume steady increment move->tick_count = from->tick_count + 1; } // Read direction if ( buf->ReadOneBit() ) { move->viewangles[0] = buf->ReadBitAngle( 16 ); } if ( buf->ReadOneBit() ) { move->viewangles[1] = buf->ReadBitAngle( 16 ); } if ( buf->ReadOneBit() ) { move->viewangles[2] = buf->ReadBitAngle( 8 ); } // Read movement if ( buf->ReadOneBit() ) { move->forwardmove = buf->ReadSBitLong( 16 ); } if ( buf->ReadOneBit() ) { move->sidemove = buf->ReadSBitLong( 16 ); } if ( buf->ReadOneBit() ) { move->upmove = buf->ReadSBitLong( 16 ); } // read buttons if ( buf->ReadOneBit() ) { move->buttons = buf->ReadUBitLong( 32 ); } if ( buf->ReadOneBit() ) { move->impulse = buf->ReadUBitLong( 8 ); } if ( buf->ReadOneBit() ) { move->weaponselect = buf->ReadUBitLong( MAX_EDICT_BITS ); if ( buf->ReadOneBit() ) { move->weaponsubtype = buf->ReadUBitLong( WEAPON_SUBTYPE_BITS ); } } move->random_seed = MD5_PseudoRandom( move->command_number ) & 0x7fffffff; if ( buf->ReadOneBit() ) { move->mousedx = buf->ReadShort(); } if ( buf->ReadOneBit() ) { move->mousedy = buf->ReadShort(); } #if defined( HL2_DLL ) if ( buf->ReadOneBit() ) { move->entitygroundcontact.SetCount( buf->ReadShort() ); int i; for (i = 0; i < move->entitygroundcontact.Count(); i++) { move->entitygroundcontact[i].entindex = buf->ReadUBitLong( MAX_EDICT_BITS ); move->entitygroundcontact[i].minheight = buf->ReadBitCoord( ); move->entitygroundcontact[i].maxheight = buf->ReadBitCoord( ); } } #endif }
# | Change | User | Description | Committed | |
---|---|---|---|---|---|
#1 | 5821 | Knut Wikstrom |
Added Valve Source code. This is NOT to be commited to other than new code from Valve. |