d4708
/
source-engine
mirror of https://github.com/nillerusr/source-engine.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
125 Commits
25 Branches
6 Tags
221 MiB
Tree: 88b8830e8b
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from '88b8830e8b'
${ noResults }
source-engine/game/client/prediction.cpp

1848 lines
52 KiB
Raw Normal View History Unescape

1
5 years ago
//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================//
#include "cbase.h"
#include "prediction.h"
#include "igamemovement.h"
#include "prediction_private.h"
#include "ivrenderview.h"
#include "iinput.h"
#include "usercmd.h"
#include <vgui_controls/Controls.h>
#include <vgui/ISurface.h>
#include <vgui/IScheme.h>
#include "hud.h"
#include "iclientvehicle.h"
#include "in_buttons.h"
#include "con_nprint.h"
#include "hud_pdump.h"
#include "datacache/imdlcache.h"
#ifdef HL2_CLIENT_DLL
#include "c_basehlplayer.h"
#endif
#include "tier0/vprof.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
IPredictionSystem *IPredictionSystem::g_pPredictionSystems = NULL;
#if !defined( NO_ENTITY_PREDICTION )
ConVar cl_predictweapons ( "cl_predictweapons","1", FCVAR_USERINFO | FCVAR_NOT_CONNECTED, "Perform client side prediction of weapon effects." );
ConVar cl_lagcompensation ( "cl_lagcompensation","1", FCVAR_USERINFO | FCVAR_NOT_CONNECTED, "Perform server side lag compensation of weapon firing events." );
ConVar cl_showerror ( "cl_showerror", "0", 0, "Show prediction errors, 2 for above plus detailed field deltas." );
static ConVar cl_idealpitchscale ( "cl_idealpitchscale", "0.8", FCVAR_ARCHIVE );
static ConVar cl_predictionlist ( "cl_predictionlist", "0", FCVAR_CHEAT, "Show which entities are predicting\n" );
static ConVar cl_predictionentitydump( "cl_pdump", "-1", FCVAR_CHEAT, "Dump info about this entity to screen." );
static ConVar cl_predictionentitydumpbyclass( "cl_pclass", "", FCVAR_CHEAT, "Dump entity by prediction classname." );
static ConVar cl_pred_optimize( "cl_pred_optimize", "2", 0, "Optimize for not copying data if didn't receive a network update (1), and also for not repredicting if there were no errors (2)." );
#ifdef STAGING_ONLY
// Do not ship this - testing a fix
static ConVar cl_pred_optimize_prefer_server_data( "cl_pred_optimize_prefer_server_data", "0", 0, "In the case where we have both server data and predicted data up to the same tick, choose server data over predicted data." );
//
#endif // STAGING_ONLY
#endif
extern IGameMovement *g_pGameMovement;
extern CMoveData *g_pMoveData;
void COM_Log( char *pszFile, const char *fmt, ...);
typedescription_t *FindFieldByName( const char *fieldname, datamap_t *dmap );
#if !defined( NO_ENTITY_PREDICTION )
//-----------------------------------------------------------------------------
// Purpose: For debugging, find predictable by classname
// Input : *classname -
// Output : static C_BaseEntity
//-----------------------------------------------------------------------------
static C_BaseEntity *FindPredictableByGameClass( const char *classname )
{
// Walk backward due to deletion from UtlVector
int c = predictables->GetPredictableCount();
int i;
for ( i = 0; i < c; i++ )
{
C_BaseEntity *ent = predictables->GetPredictable( i );
if ( !ent )
continue;
// Don't do anything to truly predicted things (like player and weapons )
if ( !FClassnameIs( ent, classname ) )
continue;
return ent;
}
return NULL;
}
#endif
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
CPrediction::CPrediction( void )
{
#if !defined( NO_ENTITY_PREDICTION )
m_bInPrediction = false;
m_bFirstTimePredicted = false;
m_nIncomingPacketNumber = 0;
m_flIdealPitch = 0.0f;
m_nPreviousStartFrame = -1;
m_nCommandsPredicted = 0;
m_nServerCommandsAcknowledged = 0;
m_bPreviousAckHadErrors = false;
#endif
}
CPrediction::~CPrediction( void )
{
}
void CPrediction::Init( void )
{
#if !defined( NO_ENTITY_PREDICTION )
m_bOldCLPredictValue = cl_predict->GetInt();
#endif
}
void CPrediction::Shutdown( void )
{
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPrediction::CheckError( int commands_acknowledged )
{
#if !defined( NO_ENTITY_PREDICTION )
C_BasePlayer *player;
Vector origin;
Vector delta;
float len;
static int pos = 0;
// Not in the game yet
if ( !engine->IsInGame() )
return;
// Not running prediction
if ( !cl_predict->GetInt() )
return;
player = C_BasePlayer::GetLocalPlayer();
if ( !player )
return;
// Not predictable yet (flush entity packet?)
if ( !player->IsIntermediateDataAllocated() )
return;
origin = player->GetNetworkOrigin();
const void *slot = player->GetPredictedFrame( commands_acknowledged - 1 );
if ( !slot )
return;
// Find the origin field in the database
typedescription_t *td = FindFieldByName( "m_vecNetworkOrigin", player->GetPredDescMap() );
Assert( td );
if ( !td )
return;
Vector predicted_origin;
memcpy( (Vector *)&predicted_origin, (Vector *)( (byte *)slot + td->fieldOffset[ PC_DATA_PACKED ] ), sizeof( Vector ) );
// Compare what the server returned with what we had predicted it to be
VectorSubtract ( predicted_origin, origin, delta );
len = VectorLength( delta );
if (len > MAX_PREDICTION_ERROR )
{
// A teleport or something, clear out error
len = 0;
}
else
{
if ( len > MIN_PREDICTION_EPSILON )
{
player->NotePredictionError( delta );
if ( cl_showerror.GetInt() >= 1 )
{
con_nprint_t np;
np.fixed_width_font = true;
np.color[0] = 1.0f;
np.color[1] = 0.95f;
np.color[2] = 0.7f;
np.index = 20 + ( ++pos % 20 );
np.time_to_live = 2.0f;
engine->Con_NXPrintf( &np, "pred error %6.3f units (%6.3f %6.3f %6.3f)", len, delta.x, delta.y, delta.z );
}
}
}
#endif
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPrediction::ShutdownPredictables( void )
{
#if !defined( NO_ENTITY_PREDICTION )
// Transfer intermediate data from other predictables
int c = predictables->GetPredictableCount();
int i;
int shutdown_count = 0;
int release_count = 0;
for ( i = c - 1; i >= 0 ; i-- )
{
C_BaseEntity *ent = predictables->GetPredictable( i );
if ( !ent )
continue;
// Shutdown predictables
if ( ent->GetPredictable() )
{
ent->ShutdownPredictable();
shutdown_count++;
}
// Otherwise, release client created entities
else
{
ent->Release();
release_count++;
}
}
if ( ( release_count > 0 ) ||
( shutdown_count > 0 ) )
{
Msg( "Shutdown %i predictable entities and %i client-created entities\n",
shutdown_count,
release_count );
}
// All gone now...
Assert( predictables->GetPredictableCount() == 0 );
#endif
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPrediction::ReinitPredictables( void )
{
#if !defined( NO_ENTITY_PREDICTION )
// Go through all entities and init any eligible ones
int i;
int c = ClientEntityList().GetHighestEntityIndex();
for ( i = 0; i <= c; i++ )
{
C_BaseEntity *e = ClientEntityList().GetBaseEntity( i );
if ( !e )
continue;
if ( e->GetPredictable() )
continue;
e->CheckInitPredictable( "ReinitPredictables" );
}
Msg( "Reinitialized %i predictable entities\n",
predictables->GetPredictableCount() );
#endif
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPrediction::OnReceivedUncompressedPacket( void )
{
#if !defined( NO_ENTITY_PREDICTION )
m_nCommandsPredicted = 0;
m_nServerCommandsAcknowledged = 0;
m_nPreviousStartFrame = -1;
#endif
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : commands_acknowledged -
// current_world_update_packet -
// Output : void CPrediction::PreEntityPacketReceived
//-----------------------------------------------------------------------------
void CPrediction::PreEntityPacketReceived ( int commands_acknowledged, int current_world_update_packet )
{
#if !defined( NO_ENTITY_PREDICTION )
#if defined( _DEBUG )
char sz[ 32 ];
Q_snprintf( sz, sizeof( sz ), "preentitypacket%d", commands_acknowledged );
PREDICTION_TRACKVALUECHANGESCOPE( sz );
#endif
VPROF( "CPrediction::PreEntityPacketReceived" );
// Cache off incoming packet #
m_nIncomingPacketNumber = current_world_update_packet;
// Don't screw up memory of current player from history buffers if not filling in history buffers
// during prediction!!!
if ( !cl_predict->GetInt() )
{
ShutdownPredictables();
return;
}
C_BasePlayer *current = C_BasePlayer::GetLocalPlayer();
// No local player object?
if ( !current )
return;
// Transfer intermediate data from other predictables
int c = predictables->GetPredictableCount();
int i;
for ( i = 0; i < c; i++ )
{
C_BaseEntity *ent = predictables->GetPredictable( i );
if ( !ent )
continue;
if ( !ent->GetPredictable() )
continue;
ent->PreEntityPacketReceived( commands_acknowledged );
}
#endif
}
//-----------------------------------------------------------------------------
// Purpose: Called for every packet received( could be multiple times per frame)
//-----------------------------------------------------------------------------
void CPrediction::PostEntityPacketReceived( void )
{
#if !defined( NO_ENTITY_PREDICTION )
PREDICTION_TRACKVALUECHANGESCOPE( "postentitypacket" );
VPROF( "CPrediction::PostEntityPacketReceived" );
// Don't screw up memory of current player from history buffers if not filling in history buffers
// during prediction!!!
if ( !cl_predict->GetInt() )
return;
C_BasePlayer *current = C_BasePlayer::GetLocalPlayer();
// No local player object?
if ( !current )
return;
// Transfer intermediate data from other predictables
int c = predictables->GetPredictableCount();
int i;
for ( i = 0; i < c; i++ )
{
C_BaseEntity *ent = predictables->GetPredictable( i );
if ( !ent )
continue;
if ( !ent->GetPredictable() )
continue;
ent->PostEntityPacketReceived();
}
#endif
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *ent -
// Output : static bool
//-----------------------------------------------------------------------------
bool CPrediction::ShouldDumpEntity( C_BaseEntity *ent )
{
#if !defined( NO_ENTITY_PREDICTION )
int dump_entity = cl_predictionentitydump.GetInt();
if ( dump_entity != -1 )
{
bool dump = false;
if ( ent->entindex() == -1 )
{
dump = ( dump_entity == ent->entindex() ) ? true : false;
}
else
{
dump = ( ent->entindex() == dump_entity ) ? true : false;
}
if ( !dump )
{
return false;
}
}
else
{
if ( cl_predictionentitydumpbyclass.GetString()[ 0 ] == 0 )
return false;
if ( !FClassnameIs( ent, cl_predictionentitydumpbyclass.GetString() ) )
return false;
}
return true;
#else
return false;
#endif
}
//-----------------------------------------------------------------------------
// Purpose: Called at the end of the frame if any packets were received
// Input : error_check -
// last_predicted -
//-----------------------------------------------------------------------------
void CPrediction::PostNetworkDataReceived( int commands_acknowledged )
{
#if !defined( NO_ENTITY_PREDICTION )
VPROF( "CPrediction::PostNetworkDataReceived" );
bool error_check = ( commands_acknowledged > 0 ) ? true : false;
#if defined( _DEBUG )
char szDebug[32];
Q_snprintf( szDebug, sizeof( szDebug ), "postnetworkdata%d", commands_acknowledged );
PREDICTION_TRACKVALUECHANGESCOPE( szDebug );
#endif
#ifndef _XBOX
CPDumpPanel *dump = GetPDumpPanel();
#endif
//Msg( "%i/%i ack %i commands/slot\n",
// gpGlobals->framecount,
// gpGlobals->tickcount,
// commands_acknowledged - 1 );
m_nServerCommandsAcknowledged += commands_acknowledged;
m_bPreviousAckHadErrors = false;
bool entityDumped = false;
C_BasePlayer *current = C_BasePlayer::GetLocalPlayer();
// No local player object?
if ( !current )
return;
// Don't screw up memory of current player from history buffers if not filling in history buffers
// during prediction!!!
if ( cl_predict->GetInt() )
{
int showlist = cl_predictionlist.GetInt();
int totalsize = 0;
int totalsize_intermediate = 0;
con_nprint_t np;
np.fixed_width_font = true;
np.color[0] = 0.8f;
np.color[1] = 1.0f;
np.color[2] = 1.0f;
np.time_to_live = 2.0f;
// Transfer intermediate data from other predictables
int c = predictables->GetPredictableCount();
int i;
for ( i = 0; i < c; i++ )
{
C_BaseEntity *ent = predictables->GetPredictable( i );
if ( !ent )
continue;
if ( ent->GetPredictable() )
{
if ( ent->PostNetworkDataReceived( m_nServerCommandsAcknowledged ) )
{
m_bPreviousAckHadErrors = true;
}
}
if ( showlist )
{
char sz[32];
if ( ent->entindex() == -1 )
{
Q_snprintf( sz, sizeof( sz ), "handle %u", (unsigned int)ent->GetClientHandle().ToInt() );
}
else
{
Q_snprintf( sz, sizeof( sz ), "%i", ent->entindex() );
}
np.index = i;
if ( showlist >= 2 )
{
int size = GetClassMap().GetClassSize( ent->GetClassname() );
int intermediate_size = ent->GetIntermediateDataSize() * ( MULTIPLAYER_BACKUP + 1 );
engine->Con_NXPrintf( &np, "%15s %30s (%5i / %5i bytes): %15s",
sz,
ent->GetClassname(),
size,
intermediate_size,
ent->GetPredictable() ? "predicted" : "client created" );
totalsize += size;
totalsize_intermediate += intermediate_size;
}
else
{
engine->Con_NXPrintf( &np, "%15s %30s: %15s",
sz,
ent->GetClassname(),
ent->GetPredictable() ? "predicted" : "client created" );
}
}
#ifndef _XBOX
if ( error_check &&
!entityDumped &&
dump &&
ShouldDumpEntity( ent ) )
{
entityDumped = true;
dump->DumpEntity( ent, m_nServerCommandsAcknowledged );
}
#endif
}
if ( showlist >= 2 )
{
np.index = i++;
char sz1[32];
char sz2[32];
Q_strncpy( sz1, Q_pretifymem( (float)totalsize ), sizeof( sz1 ) );
Q_strncpy( sz2, Q_pretifymem( (float)totalsize_intermediate ), sizeof( sz2 ) );
engine->Con_NXPrintf( &np, "%15s %27s (%s / %s) %14s",
"totals:",
"",
sz1,
sz2,
"" );
}
// Zero out rest of list
if ( showlist )
{
while ( i < 20 )
{
engine->Con_NPrintf( i, "" );
i++;
}
}
if ( error_check )
{
CheckError( m_nServerCommandsAcknowledged );
}
}
// Can also look at regular entities
#ifndef _XBOX
int dumpentindex = cl_predictionentitydump.GetInt();
if ( dump && error_check && !entityDumped && dumpentindex != -1 )
{
int last_entity = ClientEntityList().GetHighestEntityIndex();
if ( dumpentindex >= 0 && dumpentindex <= last_entity )
{
C_BaseEntity *ent = ClientEntityList().GetBaseEntity( dumpentindex );
if ( ent )
{
dump->DumpEntity( ent, m_nServerCommandsAcknowledged );
entityDumped = true;
}
}
}
#endif
if ( cl_predict->GetBool() != m_bOldCLPredictValue )
{
if ( !m_bOldCLPredictValue )
{
ReinitPredictables();
}
m_nCommandsPredicted = 0;
m_nServerCommandsAcknowledged = 0;
m_nPreviousStartFrame = -1;
}
m_bOldCLPredictValue = cl_predict->GetInt();
#ifndef _XBOX
if ( dump && error_check && !entityDumped )
{
dump->Clear();
}
#endif
#endif
}
//-----------------------------------------------------------------------------
// Purpose: Prepare for running prediction code
// Input : *ucmd -
// *from -
// *pHelper -
// &moveInput -
//-----------------------------------------------------------------------------
void CPrediction::SetupMove( C_BasePlayer *player, CUserCmd *ucmd, IMoveHelper *pHelper, CMoveData *move )
{
#if !defined( NO_ENTITY_PREDICTION )
VPROF( "CPrediction::SetupMove" );
move->m_bFirstRunOfFunctions = IsFirstTimePredicted();
move->m_nPlayerHandle = player->GetClientHandle();
move->m_vecVelocity = player->GetAbsVelocity();
move->SetAbsOrigin( player->GetNetworkOrigin() );
move->m_vecOldAngles = move->m_vecAngles;
move->m_nOldButtons = player->m_Local.m_nOldButtons;
move->m_flOldForwardMove = player->m_Local.m_flOldForwardMove;
move->m_flClientMaxSpeed = player->m_flMaxspeed;
move->m_vecAngles = ucmd->viewangles;
move->m_vecViewAngles = ucmd->viewangles;
move->m_nImpulseCommand = ucmd->impulse;
move->m_nButtons = ucmd->buttons;
CBaseEntity *pMoveParent = player->GetMoveParent();
if (!pMoveParent)
{
move->m_vecAbsViewAngles = move->m_vecViewAngles;
}
else
{
matrix3x4_t viewToParent, viewToWorld;
AngleMatrix( move->m_vecViewAngles, viewToParent );
ConcatTransforms( pMoveParent->EntityToWorldTransform(), viewToParent, viewToWorld );
MatrixAngles( viewToWorld, move->m_vecAbsViewAngles );
}
// Ingore buttons for movement if at controls
if (player->GetFlags() & FL_ATCONTROLS)
{
move->m_flForwardMove = 0;
move->m_flSideMove = 0;
move->m_flUpMove = 0;
}
else
{
move->m_flForwardMove = ucmd->forwardmove;
move->m_flSideMove = ucmd->sidemove;
move->m_flUpMove = ucmd->upmove;
}
IClientVehicle *pVehicle = player->GetVehicle();
if (pVehicle)
{
pVehicle->SetupMove( player, ucmd, pHelper, move );
}
// Copy constraint information
if ( player->m_hConstraintEntity )
move->m_vecConstraintCenter = player->m_hConstraintEntity->GetAbsOrigin();
else
move->m_vecConstraintCenter = player->m_vecConstraintCenter;
move->m_flConstraintRadius = player->m_flConstraintRadius;
move->m_flConstraintWidth = player->m_flConstraintWidth;
move->m_flConstraintSpeedFactor = player->m_flConstraintSpeedFactor;
#ifdef HL2_CLIENT_DLL
// Convert to HL2 data.
C_BaseHLPlayer *pHLPlayer = static_cast<C_BaseHLPlayer*>( player );
Assert( pHLPlayer );
CHLMoveData *pHLMove = static_cast<CHLMoveData*>( move );
Assert( pHLMove );
pHLMove->m_bIsSprinting = pHLPlayer->IsSprinting();
#endif
#endif
}
//-----------------------------------------------------------------------------
// Purpose: Finish running prediction code
// Input : &move -
// *to -
//-----------------------------------------------------------------------------
void CPrediction::FinishMove( C_BasePlayer *player, CUserCmd *ucmd, CMoveData *move )
{
#if !defined( NO_ENTITY_PREDICTION )
VPROF( "CPrediction::FinishMove" );
player->m_RefEHandle = move->m_nPlayerHandle;
player->m_vecVelocity = move->m_vecVelocity;
player->m_vecNetworkOrigin = move->GetAbsOrigin();
player->m_Local.m_nOldButtons = move->m_nButtons;
// NOTE: Don't copy this. the movement code modifies its local copy but is not expecting to be authoritative
//player->m_flMaxspeed = move->m_flClientMaxSpeed;
m_hLastGround = player->GetGroundEntity();
player->SetLocalOrigin( move->GetAbsOrigin() );
IClientVehicle *pVehicle = player->GetVehicle();
if (pVehicle)
{
pVehicle->FinishMove( player, ucmd, move );
}
// Sanity checks
if ( player->m_hConstraintEntity )
Assert( move->m_vecConstraintCenter == player->m_hConstraintEntity->GetAbsOrigin() );
else
Assert( move->m_vecConstraintCenter == player->m_vecConstraintCenter );
Assert( move->m_flConstraintRadius == player->m_flConstraintRadius );
Assert( move->m_flConstraintWidth == player->m_flConstraintWidth );
Assert( move->m_flConstraintSpeedFactor == player->m_flConstraintSpeedFactor );
#endif
}
//-----------------------------------------------------------------------------
// Purpose: Called before any movement processing
// Input : *player -
// *cmd -
//-----------------------------------------------------------------------------
void CPrediction::StartCommand( C_BasePlayer *player, CUserCmd *cmd )
{
#if !defined( NO_ENTITY_PREDICTION )
VPROF( "CPrediction::StartCommand" );
CPredictableId::ResetInstanceCounters();
player->m_pCurrentCommand = cmd;
C_BaseEntity::SetPredictionRandomSeed( cmd );
C_BaseEntity::SetPredictionPlayer( player );
#endif
}
//-----------------------------------------------------------------------------
// Purpose: Called after any movement processing
// Input : *player -
//-----------------------------------------------------------------------------
void CPrediction::FinishCommand( C_BasePlayer *player )
{
#if !defined( NO_ENTITY_PREDICTION )
VPROF( "CPrediction::FinishCommand" );
player->m_pCurrentCommand = NULL;
C_BaseEntity::SetPredictionRandomSeed( NULL );
C_BaseEntity::SetPredictionPlayer( NULL );
#endif
}
//-----------------------------------------------------------------------------
// Purpose: Called before player thinks
// Input : *player -
// thinktime -
//-----------------------------------------------------------------------------
void CPrediction::RunPreThink( C_BasePlayer *player )
{
#if !defined( NO_ENTITY_PREDICTION )
VPROF( "CPrediction::RunPreThink" );
// Run think functions on the player
if ( !player->PhysicsRunThink() )
return;
// Called every frame to let game rules do any specific think logic for the player
// FIXME: Do we need to set up a client side version of the gamerules???
// g_pGameRules->PlayerThink( player );
player->PreThink();
#endif
}
//-----------------------------------------------------------------------------
// Purpose: Runs the PLAYER's thinking code if time. There is some play in the exact time the think
// function will be called, because it is called before any movement is done
// in a frame. Not used for pushmove objects, because they must be exact.
// Returns false if the entity removed itself.
// Input : *ent -
// frametime -
// clienttimebase -
// Output : void CPlayerMove::RunThink
//-----------------------------------------------------------------------------
void CPrediction::RunThink (C_BasePlayer *player, double frametime )
{
#if !defined( NO_ENTITY_PREDICTION )
VPROF( "CPrediction::RunThink" );
int thinktick = player->GetNextThinkTick();
if ( thinktick <= 0 || thinktick > player->m_nTickBase )
return;
player->SetNextThink( TICK_NEVER_THINK );
// Think
player->Think();
#endif
}
//-----------------------------------------------------------------------------
// Purpose: Called after player movement
// Input : *player -
// thinktime -
// frametime -
//-----------------------------------------------------------------------------
void CPrediction::RunPostThink( C_BasePlayer *player )
{
#if !defined( NO_ENTITY_PREDICTION )
VPROF( "CPrediction::RunPostThink" );
// Run post-think
player->PostThink();
#endif
}
//-----------------------------------------------------------------------------
// Purpose: Predicts a single movement command for player
// Input : *moveHelper -
// *player -
// *u -
//-----------------------------------------------------------------------------
void CPrediction::RunCommand( C_BasePlayer *player, CUserCmd *ucmd, IMoveHelper *moveHelper )
{
#if !defined( NO_ENTITY_PREDICTION )
VPROF( "CPrediction::RunCommand" );
#if defined( _DEBUG )
char sz[ 32 ];
Q_snprintf( sz, sizeof( sz ), "runcommand%04d", ucmd->command_number );
PREDICTION_TRACKVALUECHANGESCOPE( sz );
#endif
StartCommand( player, ucmd );
// Set globals appropriately
gpGlobals->curtime = player->m_nTickBase * TICK_INTERVAL;
gpGlobals->frametime = m_bEnginePaused ? 0 : TICK_INTERVAL;
g_pGameMovement->StartTrackPredictionErrors( player );
// TODO
// TODO: Check for impulse predicted?
// Do weapon selection
if ( ucmd->weaponselect != 0 )
{
C_BaseCombatWeapon *weapon = dynamic_cast< C_BaseCombatWeapon * >( CBaseEntity::Instance( ucmd->weaponselect ) );
if ( weapon )
{
player->SelectItem( weapon->GetName(), ucmd->weaponsubtype );
}
}
// Latch in impulse.
IClientVehicle *pVehicle = player->GetVehicle();
if ( ucmd->impulse )
{
// Discard impulse commands unless the vehicle allows them.
// FIXME: UsingStandardWeapons seems like a bad filter for this.
// The flashlight is an impulse command, for example.
if ( !pVehicle || player->UsingStandardWeaponsInVehicle() )
{
player->m_nImpulse = ucmd->impulse;
}
}
// Get button states
player->UpdateButtonState( ucmd->buttons );
// TODO
// CheckMovingGround( player, ucmd->frametime );
// TODO
// g_pMoveData->m_vecOldAngles = player->pl.v_angle;
// Copy from command to player unless game .dll has set angle using fixangle
// if ( !player->pl.fixangle )
{
player->SetLocalViewAngles( ucmd->viewangles );
}
// Call standard client pre-think
RunPreThink( player );
// Call Think if one is set
RunThink( player, TICK_INTERVAL );
// Setup input.
{
SetupMove( player, ucmd, moveHelper, g_pMoveData );
}
// RUN MOVEMENT
if ( !pVehicle )
{
Assert( g_pGameMovement );
g_pGameMovement->ProcessMovement( player, g_pMoveData );
}
else
{
pVehicle->ProcessMovement( player, g_pMoveData );
}
FinishMove( player, ucmd, g_pMoveData );
RunPostThink( player );
g_pGameMovement->FinishTrackPredictionErrors( player );
FinishCommand( player );
if ( gpGlobals->frametime > 0 )
{
player->m_nTickBase++;
}
#endif
}
//-----------------------------------------------------------------------------
// Purpose: In the forward direction, creates rays straight down and determines the
// height of the 'floor' hit for each forward test. Then, if the samples show that the
// player is about to enter an up/down slope, sets *idealpitch to look up or down that slope
// as appropriate
//-----------------------------------------------------------------------------
void CPrediction::SetIdealPitch ( C_BasePlayer *player, const Vector& origin, const QAngle& angles, const Vector& viewheight )
{
#if !defined( NO_ENTITY_PREDICTION )
Vector forward;
Vector top, bottom;
float floor_height[MAX_FORWARD];
int i, j;
float step, dir;
int steps;
trace_t tr;
if ( player->GetGroundEntity() == NULL )
return;
// Don't do this on the 360..
if ( IsX360() )
return;
AngleVectors( angles, &forward );
forward[2] = 0;
// Now move forward by 36, 48, 60, etc. units from the eye position and drop lines straight down
// 160 or so units to see what's below
for (i=0 ; i<MAX_FORWARD ; i++)
{
VectorMA( origin, (i+3)*12, forward, top );
top[2] += viewheight[ 2 ];
VectorCopy( top, bottom );
bottom[2] -= 160;
UTIL_TraceLine( top, bottom, MASK_SOLID, NULL, COLLISION_GROUP_PLAYER_MOVEMENT, &tr );
// looking at a wall, leave ideal the way it was
if ( tr.allsolid )
return;
// near a dropoff/ledge
if ( tr.fraction == 1 )
return;
floor_height[i] = top[2] + tr.fraction*( bottom[2] - top[2] );
}
dir = 0;
steps = 0;
for (j=1 ; j<i ; j++)
{
step = floor_height[j] - floor_height[j-1];
if (step > -ON_EPSILON && step < ON_EPSILON)
continue;
if (dir && ( step-dir > ON_EPSILON || step-dir < -ON_EPSILON ) )
return; // mixed changes
steps++;
dir = step;
}
if (!dir)
{
m_flIdealPitch = 0;
return;
}
if (steps < 2)
return;
m_flIdealPitch = -dir * cl_idealpitchscale.GetFloat();
#endif
}
//-----------------------------------------------------------------------------
// Purpose: Walk backward through predictables looking for ClientCreated entities
// such as projectiles which were
// 1) not actually ack'd by the server or
// 2) were ack'd and made dormant and can now safely be removed
// Input : last_command_packet -
//-----------------------------------------------------------------------------
void CPrediction::RemoveStalePredictedEntities( int sequence_number )
{
#if !defined( NO_ENTITY_PREDICTION )
VPROF( "CPrediction::RemoveStalePredictedEntities" );
int oldest_allowable_command = sequence_number;
// Walk backward due to deletion from UtlVector
int c = predictables->GetPredictableCount();
int i;
for ( i = c - 1; i >= 0; i-- )
{
C_BaseEntity *ent = predictables->GetPredictable( i );
if ( !ent )
continue;
// Don't do anything to truly predicted things (like player and weapons )
if ( ent->GetPredictable() )
continue;
// What's left should be things like projectiles that are just waiting to be "linked"
// to their server counterpart and deleted
Assert( ent->IsClientCreated() );
if ( !ent->IsClientCreated() )
continue;
// Snag the PredictionContext
PredictionContext *ctx = ent->m_pPredictionContext;
if ( !ctx )
{
continue;
}
// If it was ack'd then the server sent us the entity.
// Leave it unless it wasn't made dormant this frame, in
// which case it can be removed now
if ( ent->m_PredictableID.GetAcknowledged() )
{
// Hasn't become dormant yet!!!
if ( !ent->IsDormantPredictable() )
{
Assert( 0 );
continue;
}
// Still gets to live till next frame
if ( ent->BecameDormantThisPacket() )
continue;
C_BaseEntity *serverEntity = ctx->m_hServerEntity;
if ( serverEntity )
{
// Notify that it's going to go away
serverEntity->OnPredictedEntityRemove( true, ent );
}
}
else
{
// Check context to see if it's too old?
int command_entity_creation_happened = ctx->m_nCreationCommandNumber;
// Give it more time to live...not time to kill it yet
if ( command_entity_creation_happened > oldest_allowable_command )
continue;
// If the client predicted the KILLME flag it's possible
// that entity had such a short life that it actually
// never was sent to us. In that case, just let it die a silent death
if ( !ent->IsEFlagSet( EFL_KILLME ) )
{
if ( cl_showerror.GetInt() != 0 )
{
// It's bogus, server doesn't have a match, destroy it:
Msg( "Removing unack'ed predicted entity: %s created %s(%i) id == %s : %p\n",
ent->GetClassname(),
ctx->m_pszCreationModule,
ctx->m_nCreationLineNumber,
ent->m_PredictableID.Describe(),
ent );
}
}
// FIXME: Do we need an OnPredictedEntityRemove call with an "it's not valid"
// flag of some kind
}
// This will remove it from predictables list and will also free the entity, etc.
ent->Release();
}
#endif
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPrediction::RestoreOriginalEntityState( void )
{
#if !defined( NO_ENTITY_PREDICTION )
VPROF( "CPrediction::RestoreOriginalEntityState" );
PREDICTION_TRACKVALUECHANGESCOPE( "restore" );
Assert( C_BaseEntity::IsAbsRecomputationsEnabled() );
// Transfer intermediate data from other predictables
int pc = predictables->GetPredictableCount();
int p;
for ( p = 0; p < pc; p++ )
{
C_BaseEntity *ent = predictables->GetPredictable( p );
if ( !ent )
continue;
if ( ent->GetPredictable() )
{
ent->RestoreData( "RestoreOriginalEntityState", C_BaseEntity::SLOT_ORIGINALDATA, PC_EVERYTHING );
}
}
#endif
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : current_command -
// curtime -
// *cmd -
// *tcmd -
// *localPlayer -
//-----------------------------------------------------------------------------
void CPrediction::RunSimulation( int current_command, float curtime, CUserCmd *cmd, C_BasePlayer *localPlayer )
{
#if !defined( NO_ENTITY_PREDICTION )
VPROF( "CPrediction::RunSimulation" );
Assert( localPlayer );
C_CommandContext *ctx = localPlayer->GetCommandContext();
Assert( ctx );
ctx->needsprocessing = true;
ctx->cmd = *cmd;
ctx->command_number = current_command;
IPredictionSystem::SuppressEvents( !IsFirstTimePredicted() );
int i;
// Make sure simulation occurs at most once per entity per usercmd
for ( i = 0; i < predictables->GetPredictableCount(); i++ )
{
C_BaseEntity *entity = predictables->GetPredictable( i );
if ( entity )
{
entity->m_nSimulationTick = -1;
}
}
// Don't used cached numpredictables since entities can be created mid-prediction by the player
for ( i = 0; i < predictables->GetPredictableCount(); i++ )
{
// Always reset
gpGlobals->curtime = curtime;
gpGlobals->frametime = m_bEnginePaused ? 0 : TICK_INTERVAL;
C_BaseEntity *entity = predictables->GetPredictable( i );
if ( !entity )
continue;
bool islocal = ( localPlayer == entity ) ? true : false;
// Local player simulates first, if this assert fires then the predictables list isn't sorted
// correctly (or we started predicting C_World???)
if ( islocal )
{
Assert( i == 0 );
}
// Player can't be this so cull other entities here
if ( entity->GetFlags() & FL_STATICPROP )
{
continue;
}
// Player is not actually in the m_SimulatedByThisPlayer list, of course
if ( entity->IsPlayerSimulated() )
{
continue;
}
if ( AddDataChangeEvent( entity, DATA_UPDATE_DATATABLE_CHANGED, &entity->m_DataChangeEventRef ) )
{
entity->OnPreDataChanged( DATA_UPDATE_DATATABLE_CHANGED );
}
// Certain entities can be created locally and if so created, should be
// simulated until a network update arrives
if ( entity->IsClientCreated() )
{
// Only simulate these on new usercmds
if ( !IsFirstTimePredicted() )
continue;
entity->PhysicsSimulate();
}
else
{
entity->PhysicsSimulate();
}
// Don't update last networked data here!!!
entity->OnLatchInterpolatedVariables( LATCH_SIMULATION_VAR | LATCH_ANIMATION_VAR | INTERPOLATE_OMIT_UPDATE_LAST_NETWORKED );
}
// Always reset after running command
IPredictionSystem::SuppressEvents( false );
#endif
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPrediction::Untouch( void )
{
#if !defined( NO_ENTITY_PREDICTION )
int numpredictables = predictables->GetPredictableCount();
// Loop through all entities again, checking their untouch if flagged to do so
int i;
for ( i = 0; i < numpredictables; i++ )
{
C_BaseEntity *entity = predictables->GetPredictable( i );
if ( !entity )
continue;
if ( !entity->GetCheckUntouch() )
continue;
entity->PhysicsCheckForEntityUntouch();
}
#endif
}
#if !defined( NO_ENTITY_PREDICTION )
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void InvalidateEFlagsRecursive( C_BaseEntity *pEnt, int nDirtyFlags, int nChildFlags = 0 )
{
pEnt->AddEFlags( nDirtyFlags );
nDirtyFlags |= nChildFlags;
for (CBaseEntity *pChild = pEnt->FirstMoveChild(); pChild; pChild = pChild->NextMovePeer())
{
InvalidateEFlagsRecursive( pChild, nDirtyFlags );
}
}
#endif
void CPrediction::StorePredictionResults( int predicted_frame )
{
#if !defined( NO_ENTITY_PREDICTION )
VPROF( "CPrediction::StorePredictionResults" );
PREDICTION_TRACKVALUECHANGESCOPE( "save" );
int i;
int numpredictables = predictables->GetPredictableCount();
// Now save off all of the results
for ( i = 0; i < numpredictables; i++ )
{
C_BaseEntity *entity = predictables->GetPredictable( i );
if ( !entity )
continue;
// Certain entities can be created locally and if so created, should be
// simulated until a network update arrives
if ( !entity->GetPredictable() )
continue;
// FIXME: The lack of this call inexplicably actually creates prediction errors
InvalidateEFlagsRecursive( entity, EFL_DIRTY_ABSTRANSFORM | EFL_DIRTY_ABSVELOCITY | EFL_DIRTY_ABSANGVELOCITY );
entity->SaveData( "StorePredictionResults", predicted_frame, PC_EVERYTHING );
}
#endif
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : slots_to_remove -
// previous_last_slot -
//-----------------------------------------------------------------------------
void CPrediction::ShiftIntermediateDataForward( int slots_to_remove, int number_of_commands_run )
{
#if !defined( NO_ENTITY_PREDICTION )
VPROF( "CPrediction::ShiftIntermediateDataForward" );
PREDICTION_TRACKVALUECHANGESCOPE( "shift" );
C_BasePlayer *current = C_BasePlayer::GetLocalPlayer();
// No local player object?
if ( !current )
return;
// Don't screw up memory of current player from history buffers if not filling in history buffers
// during prediction!!!
if ( !cl_predict->GetInt() )
return;
int c = predictables->GetPredictableCount();
int i;
for ( i = 0; i < c; i++ )
{
C_BaseEntity *ent = predictables->GetPredictable( i );
if ( !ent )
continue;
if ( !ent->GetPredictable() )
continue;
ent->ShiftIntermediateDataForward( slots_to_remove, number_of_commands_run );
}
#endif
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : predicted_frame -
//-----------------------------------------------------------------------------
void CPrediction::RestoreEntityToPredictedFrame( int predicted_frame )
{
#if !defined( NO_ENTITY_PREDICTION )
VPROF( "CPrediction::RestoreEntityToPredictedFrame" );
PREDICTION_TRACKVALUECHANGESCOPE( "restoretopred" );
C_BasePlayer *current = C_BasePlayer::GetLocalPlayer();
// No local player object?
if ( !current )
return;
// Don't screw up memory of current player from history buffers if not filling in history buffers
// during prediction!!!
if ( !cl_predict->GetInt() )
return;
int c = predictables->GetPredictableCount();
int i;
for ( i = 0; i < c; i++ )
{
C_BaseEntity *ent = predictables->GetPredictable( i );
if ( !ent )
continue;
if ( !ent->GetPredictable() )
continue;
ent->RestoreData( "RestoreEntityToPredictedFrame", predicted_frame, PC_EVERYTHING );
}
#endif
}
//-----------------------------------------------------------------------------
// Purpose: Computes starting destination for intermediate prediction data results and
// does any fixups required by network optimization
// Input : received_new_world_update -
// incoming_acknowledged -
// Output : int
//-----------------------------------------------------------------------------
int CPrediction::ComputeFirstCommandToExecute( bool received_new_world_update, int incoming_acknowledged, int outgoing_command )
{
int destination_slot = 1;
#if !defined( NO_ENTITY_PREDICTION )
int skipahead = 0;
// If we didn't receive a new update ( or we received an update that didn't ack any new CUserCmds --
// so for the player it should be just like receiving no update ), just jump right up to the very
// last command we created for this very frame since we probably wouldn't have had any errors without
// being notified by the server of such a case.
// NOTE: received_new_world_update only gets set to false if cl_pred_optimize >= 1
if ( !received_new_world_update || !m_nServerCommandsAcknowledged )
{
// this is where we would normally start
int start = incoming_acknowledged + 1;
// outgoing_command is where we really want to start
skipahead = MAX( 0, ( outgoing_command - start ) );
// Don't start past the last predicted command, though, or we'll get prediction errors
skipahead = MIN( skipahead, m_nCommandsPredicted );
// Always restore since otherwise we might start prediction using an "interpolated" value instead of a purely predicted value
RestoreEntityToPredictedFrame( skipahead - 1 );
//Msg( "%i/%i no world, skip to %i restore from slot %i\n",
// gpGlobals->framecount,
// gpGlobals->tickcount,
// skipahead,
// skipahead - 1 );
}
else
{
#ifdef STAGING_ONLY
int nPredictedLimit = cl_pred_optimize_prefer_server_data.GetBool() ? m_nCommandsPredicted - 1 : m_nCommandsPredicted;
#else
int nPredictedLimit = m_nCommandsPredicted;
#endif // STAGING_ONLY
// Otherwise, there is a second optimization, wherein if we did receive an update, but no
// values differed (or were outside their epsilon) and the server actually acknowledged running
// one or more commands, then we can revert the entity to the predicted state from last frame,
// shift the # of commands worth of intermediate state off of front the intermediate state array, and
// only predict the usercmd from the latest render frame.
if ( cl_pred_optimize.GetInt() >= 2 &&
!m_bPreviousAckHadErrors &&
m_nCommandsPredicted > 0 &&
m_nServerCommandsAcknowledged <= nPredictedLimit )
{
// Copy all of the previously predicted data back into entity so we can skip repredicting it
// This is the final slot that we previously predicted
RestoreEntityToPredictedFrame( m_nCommandsPredicted - 1 );
// Shift intermediate state blocks down by # of commands ack'd
ShiftIntermediateDataForward( m_nServerCommandsAcknowledged, m_nCommandsPredicted );
// Only predict new commands (note, this should be the same number that we could compute
// above based on outgoing_command - incoming_acknowledged - 1
skipahead = ( m_nCommandsPredicted - m_nServerCommandsAcknowledged );
//Msg( "%i/%i optimize2, skip to %i restore from slot %i\n",
// gpGlobals->framecount,
// gpGlobals->tickcount,
// skipahead,
// m_nCommandsPredicted - 1 );
}
else
{
if ( m_bPreviousAckHadErrors )
{
C_BasePlayer *pLocalPlayer = C_BasePlayer::GetLocalPlayer();
// If an entity gets a prediction error, then we want to clear out its interpolated variables
// so we don't mix different samples at the same timestamps. We subtract 1 tick interval here because
// if we don't, we'll have 3 interpolation entries with the same timestamp as this predicted
// frame, so we won't be able to interpolate (which leads to jerky movement in the player when
// ANY entity like your gun gets a prediction error).
float flPrev = gpGlobals->curtime;
gpGlobals->curtime = pLocalPlayer->GetTimeBase() - TICK_INTERVAL;
for ( int i = 0; i < predictables->GetPredictableCount(); i++ )
{
C_BaseEntity *entity = predictables->GetPredictable( i );
if ( entity )
{
entity->ResetLatched();
}
}
gpGlobals->curtime = flPrev;
}
}
}
destination_slot += skipahead;
// Always reset these values now that we handled them
m_nCommandsPredicted = 0;
m_bPreviousAckHadErrors = false;
m_nServerCommandsAcknowledged = 0;
#endif
return destination_slot;
}
//-----------------------------------------------------------------------------
// Actually does the prediction work, returns false if an error occurred
//-----------------------------------------------------------------------------
bool CPrediction::PerformPrediction( bool received_new_world_update, C_BasePlayer *localPlayer,
int incoming_acknowledged, int outgoing_command )
{
MDLCACHE_CRITICAL_SECTION();
#if !defined( NO_ENTITY_PREDICTION )
VPROF( "CPrediction::PerformPrediction" );
// This makes sure , tahe we are allwoed to sample the world when it may not be ready to be sampled
Assert( C_BaseEntity::IsAbsQueriesValid() );
Assert( C_BaseEntity::IsAbsRecomputationsEnabled() );
m_bInPrediction = true;
// undo interpolation changes for entities we stand on
C_BaseEntity *entity = localPlayer->GetGroundEntity();
while ( entity && entity->entindex() > 0)
{
entity->MoveToLastReceivedPosition();
// undo changes for moveparents too
entity = entity->GetMoveParent();
}
// Start at command after last one server has processed and
// go until we get to targettime or we run out of new commands
int i = ComputeFirstCommandToExecute( received_new_world_update, incoming_acknowledged, outgoing_command );
//Msg( "%i/%i tickbase %i\n",
// gpGlobals->framecount,
// gpGlobals->tickcount,
// localPlayer->m_nTickBase );
//for ( int k = 1; k < i; k++ )
//{
// Msg( "%i/%i Skip final tick %i into slot %i\n",
// gpGlobals->framecount, gpGlobals->tickcount,
// localPlayer->m_nTickBase - i + k + 1,
// k - 1 );
//}
Assert( i >= 1 );
while ( true )
{
// Incoming_acknowledged is the last usercmd the server acknowledged having acted upon
int current_command = incoming_acknowledged + i;
// We've caught up to the current command.
if ( current_command > outgoing_command )
break;
if ( i >= MULTIPLAYER_BACKUP )
break;
CUserCmd *cmd = input->GetUserCmd( current_command );
if ( !cmd )
{
break;
}
// Is this the first time predicting this
m_bFirstTimePredicted = !cmd->hasbeenpredicted;
// Set globals appropriately
float curtime = ( localPlayer->m_nTickBase ) * TICK_INTERVAL;
RunSimulation( current_command, curtime, cmd, localPlayer );
gpGlobals->curtime = curtime;
gpGlobals->frametime = m_bEnginePaused ? 0 : TICK_INTERVAL;
// Call untouch on any entities no longer predicted to be touching
Untouch();
// Store intermediate data into appropriate slot
StorePredictionResults( i - 1 ); // Note that I starts at 1
m_nCommandsPredicted = i;
if ( current_command == outgoing_command )
{
localPlayer->m_nFinalPredictedTick = localPlayer->m_nTickBase;
}
/*
if ( 0 )
{
localPlayer->m_nFinalPredictedTick = localPlayer->m_nTickBase;
Msg( "%i/%i Latch final tick %i start == %i into slot %i\n",
gpGlobals->framecount, gpGlobals->tickcount,
localPlayer->m_nFinalPredictedTick,
localPlayer->m_nFinalPredictedTick - i,
i - 1 );
}
*/
/*
Msg( "%i/%i Predicted command %i tickbase == %i first %s\n",
gpGlobals->framecount, gpGlobals->tickcount,
m_nCommandsPredicted,
localPlayer->m_nTickBase,
m_bFirstTimePredicted ? "yes" : "no" );
*/
// Mark that we issued any needed sounds, of not done already
cmd->hasbeenpredicted = true;
// Copy the state over.
i++;
}
// Msg( "%i : predicted %i commands forward, %i ack'd last frame, had errors %s\n",
// gpGlobals->tickcount,
// m_nCommandsPredicted,
// m_nServerCommandsAcknowledged,
// m_bPreviousAckHadErrors ? "true" : "false" );
m_bInPrediction = false;
// Somehow we looped past the end of the list (severe lag), don't predict at all
if ( i > MULTIPLAYER_BACKUP )
{
return false;
}
#endif
return true;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : startframe -
// validframe -
// incoming_acknowledged -
// outgoing_command -
//-----------------------------------------------------------------------------
void CPrediction::Update( int startframe, bool validframe,
int incoming_acknowledged, int outgoing_command )
{
#if !defined( NO_ENTITY_PREDICTION )
VPROF_BUDGET( "CPrediction::Update", VPROF_BUDGETGROUP_PREDICTION );
m_bEnginePaused = engine->IsPaused();
bool received_new_world_update = true;
// Still starting at same frame, so make sure we don't do extra prediction ,etc.
if ( ( m_nPreviousStartFrame == startframe ) &&
cl_pred_optimize.GetBool() &&
cl_predict->GetInt() )
{
received_new_world_update = false;
}
m_nPreviousStartFrame = startframe;
// Save off current timer values, etc.
CGlobalVarsBase saveVars(true);
saveVars = *gpGlobals;
_Update( received_new_world_update, validframe, incoming_acknowledged, outgoing_command );
// Restore current timer values, etc.
*gpGlobals = saveVars;
#endif
}
//-----------------------------------------------------------------------------
// Do the dirty deed of predicting the local player
//-----------------------------------------------------------------------------
void CPrediction::_Update( bool received_new_world_update, bool validframe,
int incoming_acknowledged, int outgoing_command )
{
#if !defined( NO_ENTITY_PREDICTION )
C_BasePlayer *localPlayer = C_BasePlayer::GetLocalPlayer();
if ( !localPlayer )
return;
// Always using current view angles no matter what
// NOTE: ViewAngles are always interpreted as being *relative* to the player
QAngle viewangles;
engine->GetViewAngles( viewangles );
localPlayer->SetLocalAngles( viewangles );
if ( !validframe )
{
return;
}
// If we are not doing prediction, copy authoritative value into velocity and angle.
if ( !cl_predict->GetInt() )
{
// When not predicting, we at least must make sure the player
// view angles match the view angles...
localPlayer->SetLocalViewAngles( viewangles );
return;
}
// This is cheesy, but if we have entities that are parented to attachments on other entities, then
// it'll wind up needing to get a bone transform.
{
C_BaseAnimating::InvalidateBoneCaches();
C_BaseAnimating::AutoAllowBoneAccess boneaccess( true, true );
// Remove any purely client predicted entities that were left "dangling" because the
// server didn't acknowledge them or which can now safely be removed
RemoveStalePredictedEntities( incoming_acknowledged );
// Restore objects back to "pristine" state from last network/world state update
if ( received_new_world_update )
{
RestoreOriginalEntityState();
}
if ( !PerformPrediction( received_new_world_update, localPlayer, incoming_acknowledged, outgoing_command ) )
return;
}
// Overwrite predicted angles with the actual view angles
localPlayer->SetLocalAngles( viewangles );
// This allows us to sample the world when it may not be ready to be sampled
Assert( C_BaseEntity::IsAbsQueriesValid() );
// FIXME: What about hierarchy here?!?
SetIdealPitch( localPlayer, localPlayer->GetLocalOrigin(), localPlayer->GetLocalAngles(), localPlayer->m_vecViewOffset );
#endif
}
//-----------------------------------------------------------------------------
// Purpose:
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool CPrediction::IsFirstTimePredicted( void ) const
{
#if !defined( NO_ENTITY_PREDICTION )
return m_bFirstTimePredicted;
#else
return false;
#endif
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : org -
//-----------------------------------------------------------------------------
void CPrediction::GetViewOrigin( Vector& org )
{
C_BasePlayer *player = C_BasePlayer::GetLocalPlayer();
if ( !player )
{
org.Init();
}
else
{
org = player->GetLocalOrigin();
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : org -
//-----------------------------------------------------------------------------
void CPrediction::SetViewOrigin( Vector& org )
{
C_BasePlayer *player = C_BasePlayer::GetLocalPlayer();
if ( !player )
return;
player->SetLocalOrigin( org );
player->m_vecNetworkOrigin = org;
player->m_iv_vecOrigin.Reset();
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : ang -
//-----------------------------------------------------------------------------
void CPrediction::GetViewAngles( QAngle& ang )
{
C_BasePlayer *player = C_BasePlayer::GetLocalPlayer();
if ( !player )
{
ang.Init();
}
else
{
ang = player->GetLocalAngles();
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : ang -
//-----------------------------------------------------------------------------
void CPrediction::SetViewAngles( QAngle& ang )
{
C_BasePlayer *player = C_BasePlayer::GetLocalPlayer();
if ( !player )
return;
player->SetViewAngles( ang );
player->m_iv_angRotation.Reset();
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : ang -
//-----------------------------------------------------------------------------
void CPrediction::GetLocalViewAngles( QAngle& ang )
{
C_BasePlayer *player = C_BasePlayer::GetLocalPlayer();
if ( !player )
{
ang.Init();
}
else
{
ang = player->pl.v_angle;
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : ang -
//-----------------------------------------------------------------------------
void CPrediction::SetLocalViewAngles( QAngle& ang )
{
C_BasePlayer *player = C_BasePlayer::GetLocalPlayer();
if ( !player )
return;
player->SetLocalViewAngles( ang );
}
#if !defined( NO_ENTITY_PREDICTION )
//-----------------------------------------------------------------------------
// Purpose: For determining that predicted creation entities are un-acked and should
// be deleted
// Output : int
//-----------------------------------------------------------------------------
int CPrediction::GetIncomingPacketNumber( void ) const
{
return m_nIncomingPacketNumber;
}
#endif
//-----------------------------------------------------------------------------
// Purpose:
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool CPrediction::InPrediction( void ) const
{
#if !defined( NO_ENTITY_PREDICTION )
return m_bInPrediction;
#else
return false;
#endif
}