From 39ed87570bdb2f86969d4be821c94b722dc71179 Mon Sep 17 00:00:00 2001 From: Joe Ludwig Date: Wed, 26 Jun 2013 15:22:04 -0700 Subject: First version of the SOurce SDK 2013 --- mp/src/game/shared/usercmd.cpp | 306 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 306 insertions(+) create mode 100644 mp/src/game/shared/usercmd.cpp (limited to 'mp/src/game/shared/usercmd.cpp') diff --git a/mp/src/game/shared/usercmd.cpp b/mp/src/game/shared/usercmd.cpp new file mode 100644 index 00000000..bd8c302a --- /dev/null +++ b/mp/src/game/shared/usercmd.cpp @@ -0,0 +1,306 @@ +//========= Copyright 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" + +// TF2 specific, need enough space for OBJ_LAST items from tf_shareddefs.h +#define WEAPON_SUBTYPE_BITS 6 + +//----------------------------------------------------------------------------- +// Purpose: Write a delta compressed user command. +// Input : *buf - +// *to - +// *from - +// Output : static +//----------------------------------------------------------------------------- +void WriteUsercmd( bf_write *buf, const CUserCmd *to, const 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->WriteFloat( to->viewangles[ 0 ] ); + } + else + { + buf->WriteOneBit( 0 ); + } + + if ( to->viewangles[ 1 ] != from->viewangles[ 1 ] ) + { + buf->WriteOneBit( 1 ); + buf->WriteFloat( to->viewangles[ 1 ] ); + } + else + { + buf->WriteOneBit( 0 ); + } + + if ( to->viewangles[ 2 ] != from->viewangles[ 2 ] ) + { + buf->WriteOneBit( 1 ); + buf->WriteFloat( to->viewangles[ 2 ] ); + } + else + { + buf->WriteOneBit( 0 ); + } + + if ( to->forwardmove != from->forwardmove ) + { + buf->WriteOneBit( 1 ); + buf->WriteFloat( to->forwardmove ); + } + else + { + buf->WriteOneBit( 0 ); + } + + if ( to->sidemove != from->sidemove ) + { + buf->WriteOneBit( 1 ); + buf->WriteFloat( to->sidemove ); + } + else + { + buf->WriteOneBit( 0 ); + } + + if ( to->upmove != from->upmove ) + { + buf->WriteOneBit( 1 ); + buf->WriteFloat( to->upmove ); + } + 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 ); + } + } + 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->ReadFloat(); + } + + if ( buf->ReadOneBit() ) + { + move->viewangles[1] = buf->ReadFloat(); + } + + if ( buf->ReadOneBit() ) + { + move->viewangles[2] = buf->ReadFloat(); + } + + // Moved value validation and clamping to CBasePlayer::ProcessUsercmds() + + // Read movement + if ( buf->ReadOneBit() ) + { + move->forwardmove = buf->ReadFloat(); + } + + if ( buf->ReadOneBit() ) + { + move->sidemove = buf->ReadFloat(); + } + + if ( buf->ReadOneBit() ) + { + move->upmove = buf->ReadFloat(); + } + + // 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 +} -- cgit v1.2.3