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| author | Joe Ludwig <[email protected]> | 2013-06-26 15:22:04 -0700 |
|---|---|---|
| committer | Joe Ludwig <[email protected]> | 2013-06-26 15:22:04 -0700 |
| commit | 39ed87570bdb2f86969d4be821c94b722dc71179 (patch) | |
| tree | abc53757f75f40c80278e87650ea92808274aa59 /mp/src/game/shared/usercmd.cpp | |
| download | source-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.tar.xz source-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.zip | |
First version of the SOurce SDK 2013
Diffstat (limited to 'mp/src/game/shared/usercmd.cpp')
| -rw-r--r-- | mp/src/game/shared/usercmd.cpp | 306 |
1 files changed, 306 insertions, 0 deletions
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
+}
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