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Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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source-engine/game/server/hl1/hl1_player.cpp

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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: Player for HL1.
//
// $NoKeywords: $
//=============================================================================//
#include "cbase.h"
#include "hl1_player.h"
#include "gamerules.h"
#include "trains.h"
#include "hl1_basecombatweapon_shared.h"
#include "vcollide_parse.h"
#include "in_buttons.h"
#include "igamemovement.h"
#include "ai_hull.h"
#include "hl2_shareddefs.h"
#include "info_camera_link.h"
#include "point_camera.h"
#include "ndebugoverlay.h"
#include "globals.h"
#include "ai_interactions.h"
#include "engine/IEngineSound.h"
#include "vphysics/player_controller.h"
#include "vphysics/constraints.h"
#include "predicted_viewmodel.h"
#include "physics_saverestore.h"
#include "gamestats.h"
#define DMG_FREEZE DMG_VEHICLE
#define DMG_SLOWFREEZE DMG_DISSOLVE
// HL1_DMG_SHOWNHUD: Add DMG_VEHICLE because HL2 hijacked those bits from DMG_FREEZE, which is what they are in HL1
// HL1_DMG_SHOWNHUD: Add DMG_DISSOLVE because HL2 hijacked those bits from DMG_SLOWFREEZE, which is what they are in HL1
// See Halflife1 GameRules - Damage_GetShowOnHud()
//#define HL1_DMG_SHOWNHUD (DMG_POISON | DMG_ACID | DMG_FREEZE | DMG_SLOWFREEZE | DMG_DROWN | DMG_BURN | DMG_SLOWBURN | DMG_NERVEGAS | DMG_RADIATION | DMG_SHOCK)
// TIME BASED DAMAGE AMOUNT
// tweak these values based on gameplay feedback:
#define PARALYZE_DURATION 2 // number of 2 second intervals to take damage
#define PARALYZE_DAMAGE 1.0 // damage to take each 2 second interval
#define NERVEGAS_DURATION 2
#define NERVEGAS_DAMAGE 5.0
#define POISON_DURATION 5
#define POISON_DAMAGE 2.0
#define RADIATION_DURATION 2
#define RADIATION_DAMAGE 1.0
#define ACID_DURATION 2
#define ACID_DAMAGE 5.0
#define SLOWBURN_DURATION 2
#define SLOWBURN_DAMAGE 1.0
#define SLOWFREEZE_DURATION 2
#define SLOWFREEZE_DAMAGE 1.0
#define FLASH_DRAIN_TIME 1.2 //100 units/3 minutes
#define FLASH_CHARGE_TIME 0.2 // 100 units/20 seconds (seconds per unit)
ConVar player_showpredictedposition( "player_showpredictedposition", "0" );
ConVar player_showpredictedposition_timestep( "player_showpredictedposition_timestep", "1.0" );
ConVar sv_hl1_allowpickup( "sv_hl1_allowpickup", "0" );
LINK_ENTITY_TO_CLASS( player, CHL1_Player );
PRECACHE_REGISTER(player);
BEGIN_DATADESC( CHL1_Player )
DEFINE_FIELD( m_nControlClass, FIELD_INTEGER ),
DEFINE_AUTO_ARRAY( m_vecMissPositions, FIELD_POSITION_VECTOR ),
DEFINE_FIELD( m_nNumMissPositions, FIELD_INTEGER ),
DEFINE_FIELD( m_flIdleTime, FIELD_TIME ),
DEFINE_FIELD( m_flMoveTime, FIELD_TIME ),
DEFINE_FIELD( m_flLastDamageTime, FIELD_TIME ),
DEFINE_FIELD( m_flTargetFindTime, FIELD_TIME ),
DEFINE_FIELD( m_bHasLongJump, FIELD_BOOLEAN ),
DEFINE_FIELD( m_nFlashBattery, FIELD_INTEGER ),
DEFINE_FIELD( m_flFlashLightTime, FIELD_TIME ),
DEFINE_FIELD( m_flStartCharge, FIELD_FLOAT ),
DEFINE_FIELD( m_flAmmoStartCharge, FIELD_FLOAT ),
DEFINE_FIELD( m_flPlayAftershock, FIELD_FLOAT ),
DEFINE_FIELD( m_flNextAmmoBurn, FIELD_FLOAT ),
DEFINE_PHYSPTR( m_pPullConstraint ),
DEFINE_FIELD( m_hPullObject, FIELD_EHANDLE ),
DEFINE_FIELD( m_bIsPullingObject, FIELD_BOOLEAN ),
END_DATADESC()
IMPLEMENT_SERVERCLASS_ST( CHL1_Player, DT_HL1Player )
SendPropInt( SENDINFO( m_bHasLongJump ), 1, SPROP_UNSIGNED ),
SendPropInt( SENDINFO( m_nFlashBattery ), 8, SPROP_UNSIGNED ),
SendPropBool( SENDINFO( m_bIsPullingObject ) ),
SendPropFloat( SENDINFO( m_flStartCharge ) ),
SendPropFloat( SENDINFO( m_flAmmoStartCharge ) ),
SendPropFloat( SENDINFO( m_flPlayAftershock ) ),
SendPropFloat( SENDINFO( m_flNextAmmoBurn ) )
END_SEND_TABLE()
CHL1_Player::CHL1_Player()
{
m_nNumMissPositions = 0;
}
void CHL1_Player::Precache( void )
{
BaseClass::Precache();
PrecacheScriptSound( "Player.FlashlightOn" );
PrecacheScriptSound( "Player.FlashlightOff" );
PrecacheScriptSound( "Player.UseTrain" );
}
//-----------------------------------------------------------------------------
// Purpose: Allow pre-frame adjustments on the player
//-----------------------------------------------------------------------------
void CHL1_Player::PreThink(void)
{
if ( player_showpredictedposition.GetBool() )
{
Vector predPos;
UTIL_PredictedPosition( this, player_showpredictedposition_timestep.GetFloat(), &predPos );
NDebugOverlay::Box( predPos, NAI_Hull::Mins( GetHullType() ), NAI_Hull::Maxs( GetHullType() ), 0, 255, 0, 0, 0.01f );
NDebugOverlay::Line( GetAbsOrigin(), predPos, 0, 255, 0, 0, 0.01f );
}
int buttonsChanged;
buttonsChanged = m_afButtonPressed | m_afButtonReleased;
UpdatePullingObject();
g_pGameRules->PlayerThink( this );
if ( g_fGameOver || IsPlayerLockedInPlace() )
return; // intermission or finale
ItemPreFrame( );
WaterMove();
if ( g_pGameRules && g_pGameRules->FAllowFlashlight() )
m_Local.m_iHideHUD &= ~HIDEHUD_FLASHLIGHT;
else
m_Local.m_iHideHUD |= HIDEHUD_FLASHLIGHT;
// checks if new client data (for HUD and view control) needs to be sent to the client
UpdateClientData();
CheckTimeBasedDamage();
CheckSuitUpdate();
if (m_lifeState >= LIFE_DYING)
{
PlayerDeathThink();
return;
}
// So the correct flags get sent to client asap.
//
if ( m_afPhysicsFlags & PFLAG_DIROVERRIDE )
AddFlag( FL_ONTRAIN );
else
RemoveFlag( FL_ONTRAIN );
// Train speed control
if ( m_afPhysicsFlags & PFLAG_DIROVERRIDE )
{
CBaseEntity *pTrain = GetGroundEntity();
float vel;
if ( pTrain )
{
if ( !(pTrain->ObjectCaps() & FCAP_DIRECTIONAL_USE) )
pTrain = NULL;
}
if ( !pTrain )
{
if ( GetActiveWeapon() && (GetActiveWeapon()->ObjectCaps() & FCAP_DIRECTIONAL_USE) )
{
m_iTrain = TRAIN_ACTIVE | TRAIN_NEW;
if ( m_nButtons & IN_FORWARD )
{
m_iTrain |= TRAIN_FAST;
}
else if ( m_nButtons & IN_BACK )
{
m_iTrain |= TRAIN_BACK;
}
else
{
m_iTrain |= TRAIN_NEUTRAL;
}
return;
}
else
{
trace_t trainTrace;
// Maybe this is on the other side of a level transition
UTIL_TraceLine( GetAbsOrigin(), GetAbsOrigin() + Vector(0,0,-38),
MASK_PLAYERSOLID_BRUSHONLY, this, COLLISION_GROUP_NONE, &trainTrace );
if ( trainTrace.fraction != 1.0 && trainTrace.m_pEnt )
pTrain = trainTrace.m_pEnt;
if ( !pTrain || !(pTrain->ObjectCaps() & FCAP_DIRECTIONAL_USE) || !pTrain->OnControls(this) )
{
// Warning( "In train mode with no train!\n" );
m_afPhysicsFlags &= ~PFLAG_DIROVERRIDE;
m_iTrain = TRAIN_NEW|TRAIN_OFF;
return;
}
}
}
else if ( !( GetFlags() & FL_ONGROUND ) || pTrain->HasSpawnFlags( SF_TRACKTRAIN_NOCONTROL ) || (m_nButtons & (IN_MOVELEFT|IN_MOVERIGHT) ) )
{
// Turn off the train if you jump, strafe, or the train controls go dead
m_afPhysicsFlags &= ~PFLAG_DIROVERRIDE;
m_iTrain = TRAIN_NEW|TRAIN_OFF;
return;
}
SetAbsVelocity( vec3_origin );
vel = 0;
if ( m_afButtonPressed & IN_FORWARD )
{
vel = 1;
pTrain->Use( this, this, USE_SET, (float)vel );
}
else if ( m_afButtonPressed & IN_BACK )
{
vel = -1;
pTrain->Use( this, this, USE_SET, (float)vel );
}
else if ( m_afButtonPressed & IN_JUMP )
{
m_afPhysicsFlags &= ~PFLAG_DIROVERRIDE;
m_iTrain = TRAIN_NEW|TRAIN_OFF;
}
if (vel)
{
m_iTrain = TrainSpeed(pTrain->m_flSpeed, ((CFuncTrackTrain*)pTrain)->GetMaxSpeed());
m_iTrain |= TRAIN_ACTIVE|TRAIN_NEW;
}
}
else if (m_iTrain & TRAIN_ACTIVE)
{
m_iTrain = TRAIN_NEW; // turn off train
}
// THIS CODE DOESN'T SEEM TO DO ANYTHING!!!
// WHY IS IT STILL HERE? (sjb)
if (m_nButtons & IN_JUMP)
{
// If on a ladder, jump off the ladder
// else Jump
if( IsPullingObject() )
{
StopPullingObject();
}
Jump();
}
// If trying to duck, already ducked, or in the process of ducking
if ((m_nButtons & IN_DUCK) || (GetFlags() & FL_DUCKING) || (m_afPhysicsFlags & PFLAG_DUCKING) )
Duck();
//
// If we're not on the ground, we're falling. Update our falling velocity.
//
if ( !( GetFlags() & FL_ONGROUND ) )
{
m_Local.m_flFallVelocity = -GetAbsVelocity().z;
}
if ( m_afPhysicsFlags & PFLAG_ONBARNACLE )
{
SetAbsVelocity( vec3_origin );
}
// StudioFrameAdvance( );//!!!HACKHACK!!! Can't be hit by traceline when not animating?
//Find targets for NPC to shoot if they decide to miss us
FindMissTargets();
}
//------------------------------------------------------------------------------
// Purpose :
// Input :
// Output :
//------------------------------------------------------------------------------
Class_T CHL1_Player::Classify ( void )
{
// If player controlling another entity? If so, return this class
if (m_nControlClass != CLASS_NONE)
{
return m_nControlClass;
}
else
{
return CLASS_PLAYER;
}
}
//-----------------------------------------------------------------------------
// Purpose: This is a generic function (to be implemented by sub-classes) to
// handle specific interactions between different types of characters
// (For example the barnacle grabbing an NPC)
// Input : Constant for the type of interaction
// Output : true - if sub-class has a response for the interaction
// false - if sub-class has no response
//-----------------------------------------------------------------------------
bool CHL1_Player::HandleInteraction(int interactionType, void *data, CBaseCombatCharacter* sourceEnt)
{
if ( interactionType == g_interactionBarnacleVictimDangle )
{
TakeDamage ( CTakeDamageInfo( sourceEnt, sourceEnt, m_iHealth + ArmorValue(), DMG_SLASH | DMG_ALWAYSGIB ) );
return true;
}
if (interactionType == g_interactionBarnacleVictimReleased)
{
m_afPhysicsFlags &= ~PFLAG_ONBARNACLE;
SetMoveType( MOVETYPE_WALK );
return true;
}
else if (interactionType == g_interactionBarnacleVictimGrab)
{
m_afPhysicsFlags |= PFLAG_ONBARNACLE;
ClearUseEntity();
return true;
}
return false;
}
void CHL1_Player::PlayerRunCommand(CUserCmd *ucmd, IMoveHelper *moveHelper)
{
// Handle FL_FROZEN.
if ( m_afPhysicsFlags & PFLAG_ONBARNACLE )
{
ucmd->forwardmove = 0;
ucmd->sidemove = 0;
ucmd->upmove = 0;
}
//Update our movement information
if ( ( ucmd->forwardmove != 0 ) || ( ucmd->sidemove != 0 ) || ( ucmd->upmove != 0 ) )
{
m_flIdleTime -= TICK_INTERVAL * 2.0f;
if ( m_flIdleTime < 0.0f )
{
m_flIdleTime = 0.0f;
}
m_flMoveTime += TICK_INTERVAL;
if ( m_flMoveTime > 4.0f )
{
m_flMoveTime = 4.0f;
}
}
else
{
m_flIdleTime += TICK_INTERVAL;
if ( m_flIdleTime > 4.0f )
{
m_flIdleTime = 4.0f;
}
m_flMoveTime -= TICK_INTERVAL * 2.0f;
if ( m_flMoveTime < 0.0f )
{
m_flMoveTime = 0.0f;
}
}
//Msg("Player time: [ACTIVE: %f]\t[IDLE: %f]\n", m_flMoveTime, m_flIdleTime );
BaseClass::PlayerRunCommand( ucmd, moveHelper );
}
//-----------------------------------------------------------------------------
// Purpose: Create and give the named item to the player. Then return it.
//-----------------------------------------------------------------------------
CBaseEntity *CHL1_Player::GiveNamedItem( const char *pszName, int iSubType )
{
// If I already own this type don't create one
if ( Weapon_OwnsThisType(pszName, iSubType) )
return NULL;
// Msg( "giving %s\n", pszName );
EHANDLE pent;
pent = CreateEntityByName(pszName);
if ( pent == NULL )
{
Msg( "NULL Ent in GiveNamedItem!\n" );
return NULL;
}
pent->SetLocalOrigin( GetLocalOrigin() );
pent->AddSpawnFlags( SF_NORESPAWN );
if ( iSubType )
{
CBaseCombatWeapon *pWeapon = dynamic_cast<CBaseCombatWeapon*>( (CBaseEntity*)pent );
if ( pWeapon )
{
pWeapon->SetSubType( iSubType );
}
}
DispatchSpawn( pent );
if ( pent != NULL && !(pent->IsMarkedForDeletion()) )
{
pent->Touch( this );
}
return pent;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void CHL1_Player::StartPullingObject( CBaseEntity *pObject )
{
if ( pObject->VPhysicsGetObject() == NULL || VPhysicsGetObject() == NULL )
{
return;
}
if( !(GetFlags()&FL_ONGROUND) )
{
//Msg("Can't grab in air!\n");
return;
}
if( GetGroundEntity() == pObject )
{
//Msg("Can't grab something you're standing on!\n");
return;
}
constraint_ballsocketparams_t ballsocket;
ballsocket.Defaults();
ballsocket.constraint.Defaults();
ballsocket.constraint.forceLimit = lbs2kg(1000);
ballsocket.constraint.torqueLimit = lbs2kg(1000);
ballsocket.InitWithCurrentObjectState( VPhysicsGetObject(), pObject->VPhysicsGetObject(), WorldSpaceCenter() );
m_pPullConstraint = physenv->CreateBallsocketConstraint( VPhysicsGetObject(), pObject->VPhysicsGetObject(), NULL, ballsocket );
m_hPullObject.Set(pObject);
m_bIsPullingObject = true;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void CHL1_Player::StopPullingObject()
{
if( m_pPullConstraint )
{
physenv->DestroyConstraint( m_pPullConstraint );
}
m_hPullObject.Set(NULL);
m_pPullConstraint = NULL;
m_bIsPullingObject = false;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void CHL1_Player::UpdatePullingObject()
{
if( !IsPullingObject() )
return;
CBaseEntity *pObject= m_hPullObject.Get();
if( !pObject || !pObject->VPhysicsGetObject() )
{
// Object broke or otherwise vanished.
StopPullingObject();
return;
}
if( m_afButtonReleased & IN_USE )
{
// Player released +USE
StopPullingObject();
return;
}
float flMaxDistSqr = Square(PLAYER_USE_RADIUS + 1.0f);
Vector objectPos;
QAngle angle;
pObject->VPhysicsGetObject()->GetPosition( &objectPos, &angle );
if( !FInViewCone(objectPos) )
{
// Player turned away.
StopPullingObject();
}
else if( objectPos.DistToSqr(WorldSpaceCenter()) > flMaxDistSqr )
{
// Object got caught up on something and left behind
StopPullingObject();
}
}
//-----------------------------------------------------------------------------
// Purpose: Sets HL1specific defaults.
//-----------------------------------------------------------------------------
void CHL1_Player::Spawn(void)
{
// In multiplayer ,this is handled in the super class
if ( !g_pGameRules->IsMultiplayer () )
SetModel( "models/player.mdl" );
BaseClass::Spawn();
//
// Our player movement speed is set once here. This will override the cl_xxxx
// cvars unless they are set to be lower than this.
//
SetMaxSpeed( 1000 );
SetDefaultFOV( 0 );
m_nFlashBattery = 99;
m_flFlashLightTime = 1;
m_flFieldOfView = 0.5;
StopPullingObject();
m_Local.m_iHideHUD = 0;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void CHL1_Player::Event_Killed( const CTakeDamageInfo &info )
{
StopPullingObject();
BaseClass::Event_Killed(info);
}
void CHL1_Player::CheckTimeBasedDamage( void )
{
int i;
byte bDuration = 0;
static float gtbdPrev = 0.0;
// If we don't have any time based damage return.
if ( !g_pGameRules->Damage_IsTimeBased( m_bitsDamageType ) )
return;
// only check for time based damage approx. every 2 seconds
if (abs(gpGlobals->curtime - m_tbdPrev) < 2.0)
return;
m_tbdPrev = gpGlobals->curtime;
for (i = 0; i < CDMG_TIMEBASED; i++)
{
// Make sure the damage type is really time-based.
// This is kind of hacky but necessary until we setup DamageType as an enum.
int iDamage = ( DMG_PARALYZE << i );
if ( !g_pGameRules->Damage_IsTimeBased( iDamage ) )
continue;
// make sure bit is set for damage type
if ( m_bitsDamageType & iDamage )
{
switch (i)
{
case itbd_Paralyze:
// UNDONE - flag movement as half-speed
bDuration = PARALYZE_DURATION;
break;
case itbd_NerveGas:
// OnTakeDamage(pev, pev, NERVEGAS_DAMAGE, DMG_GENERIC);
bDuration = NERVEGAS_DURATION;
break;
case itbd_PoisonRecover:
OnTakeDamage( CTakeDamageInfo( this, this, POISON_DAMAGE, DMG_GENERIC ) );
bDuration = POISON_DURATION;
break;
case itbd_Radiation:
// OnTakeDamage(pev, pev, RADIATION_DAMAGE, DMG_GENERIC);
bDuration = RADIATION_DURATION;
break;
case itbd_DrownRecover:
// NOTE: this hack is actually used to RESTORE health
// after the player has been drowning and finally takes a breath
if (m_idrowndmg > m_idrownrestored)
{
int idif = MIN(m_idrowndmg - m_idrownrestored, 10);
TakeHealth(idif, DMG_GENERIC);
m_idrownrestored += idif;
}
bDuration = 4; // get up to 5*10 = 50 points back
break;
case itbd_Acid:
// OnTakeDamage(pev, pev, ACID_DAMAGE, DMG_GENERIC);
bDuration = ACID_DURATION;
break;
case itbd_SlowBurn:
// OnTakeDamage(pev, pev, SLOWBURN_DAMAGE, DMG_GENERIC);
bDuration = SLOWBURN_DURATION;
break;
case itbd_SlowFreeze:
// OnTakeDamage(pev, pev, SLOWFREEZE_DAMAGE, DMG_GENERIC);
bDuration = SLOWFREEZE_DURATION;
break;
default:
bDuration = 0;
}
if (m_rgbTimeBasedDamage[i])
{
// decrement damage duration, detect when done.
if (!m_rgbTimeBasedDamage[i] || --m_rgbTimeBasedDamage[i] == 0)
{
m_rgbTimeBasedDamage[i] = 0;
// if we're done, clear damage bits
m_bitsDamageType &= ~(DMG_PARALYZE << i);
}
}
else
// first time taking this damage type - init damage duration
m_rgbTimeBasedDamage[i] = bDuration;
}
}
}
class CPhysicsPlayerCallback : public IPhysicsPlayerControllerEvent
{
public:
int ShouldMoveTo( IPhysicsObject *pObject, const Vector &position )
{
CHL1_Player *pPlayer = (CHL1_Player *)pObject->GetGameData();
if ( pPlayer )
{
if ( pPlayer->TouchedPhysics() )
{
return 0;
}
}
return 1;
}
};
static CPhysicsPlayerCallback playerCallback;
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CHL1_Player::InitVCollision( const Vector &vecAbsOrigin, const Vector &vecAbsVelocity )
{
BaseClass::InitVCollision( vecAbsOrigin, vecAbsVelocity );
// Setup the HL2 specific callback.
GetPhysicsController()->SetEventHandler( &playerCallback );
}
CHL1_Player::~CHL1_Player( void )
{
}
extern int gEvilImpulse101;
void CHL1_Player::CheatImpulseCommands( int iImpulse )
{
if ( !sv_cheats->GetBool() )
{
return;
}
switch( iImpulse )
{
case 101:
gEvilImpulse101 = true;
GiveNamedItem( "item_suit" );
GiveNamedItem( "item_battery" );
GiveNamedItem( "weapon_crowbar" );
GiveNamedItem( "weapon_glock" );
GiveNamedItem( "ammo_9mmclip" );
GiveNamedItem( "weapon_shotgun" );
GiveNamedItem( "ammo_buckshot" );
GiveNamedItem( "weapon_mp5" );
GiveNamedItem( "ammo_9mmar" );
GiveNamedItem( "ammo_argrenades" );
GiveNamedItem( "weapon_handgrenade" );
GiveNamedItem( "weapon_tripmine" );
GiveNamedItem( "weapon_357" );
GiveNamedItem( "ammo_357" );
GiveNamedItem( "weapon_crossbow" );
GiveNamedItem( "ammo_crossbow" );
GiveNamedItem( "weapon_egon" );
GiveNamedItem( "weapon_gauss" );
GiveNamedItem( "ammo_gaussclip" );
GiveNamedItem( "weapon_rpg" );
GiveNamedItem( "ammo_rpgclip" );
GiveNamedItem( "weapon_satchel" );
GiveNamedItem( "weapon_snark" );
GiveNamedItem( "weapon_hornetgun" );
gEvilImpulse101 = false;
break;
case 0:
default:
BaseClass::CheatImpulseCommands( iImpulse );
}
}
void CHL1_Player::SetupVisibility( CBaseEntity *pViewEntity, unsigned char *pvs, int pvssize )
{
int area = pViewEntity ? pViewEntity->NetworkProp()->AreaNum() : NetworkProp()->AreaNum();
BaseClass::SetupVisibility( pViewEntity, pvs, pvssize );
PointCameraSetupVisibility( this, area, pvs, pvssize );
}
#define ARMOR_RATIO 0.2 // Armor Takes 80% of the damage
#define ARMOR_BONUS 0.5 // Each Point of Armor is work 1/x points of health
int CHL1_Player::OnTakeDamage( const CTakeDamageInfo &inputInfo )
{
// have suit diagnose the problem - ie: report damage type
int bitsDamage = inputInfo.GetDamageType();
int ffound = true;
int fmajor;
int fcritical;
int fTookDamage;
int ftrivial;
float flRatio;
float flBonus;
float flHealthPrev = m_iHealth;
CTakeDamageInfo info = inputInfo;
if ( info.GetDamage() > 0.0f )
{
m_flLastDamageTime = gpGlobals->curtime;
}
flBonus = ARMOR_BONUS;
flRatio = ARMOR_RATIO;
if ( ( info.GetDamageType() & DMG_BLAST ) && g_pGameRules->IsMultiplayer() )
{
// blasts damage armor more.
flBonus *= 2;
}
// Already dead
if ( !IsAlive() )
return 0;
// go take the damage first
if ( !g_pGameRules->FPlayerCanTakeDamage( this, info.GetAttacker(), info ) )
{
// Refuse the damage
return 0;
}
// keep track of amount of damage last sustained
m_lastDamageAmount = info.GetDamage();
// Armor.
if ( ArmorValue() &&
!(info.GetDamageType() & (DMG_FALL | DMG_DROWN | DMG_POISON)) && // armor doesn't protect against fall or drown damage!
!(GetFlags() & FL_GODMODE) )
{
float flNew = info.GetDamage() * flRatio;
float flArmor;
flArmor = (info.GetDamage() - flNew) * flBonus;
// Does this use more armor than we have?
if ( flArmor > ArmorValue() )
{
flArmor = ArmorValue();
flArmor *= (1/flBonus);
flNew = info.GetDamage() - flArmor;
SetArmorValue( 0 );
}
else
SetArmorValue( ArmorValue() - flArmor );
info.SetDamage( flNew );
}
// this cast to INT is critical!!! If a player ends up with 0.5 health, the engine will get that
// as an int (zero) and think the player is dead! (this will incite a clientside screentilt, etc)
info.SetDamage( (int)info.GetDamage() );
fTookDamage = CBaseCombatCharacter::OnTakeDamage( info ); // Bypass CBasePlayer's
if ( fTookDamage )
{
// add to the damage total for clients, which will be sent as a single
// message at the end of the frame
// todo: remove after combining shotgun blasts?
if ( info.GetInflictor() && info.GetInflictor()->edict() )
m_DmgOrigin = info.GetInflictor()->GetAbsOrigin();
m_DmgTake += (int)info.GetDamage();
}
// Reset damage time countdown for each type of time based damage player just sustained
for (int i = 0; i < CDMG_TIMEBASED; i++)
{
// Make sure the damage type is really time-based.
// This is kind of hacky but necessary until we setup DamageType as an enum.
int iDamage = ( DMG_PARALYZE << i );
if ( ( info.GetDamageType() & iDamage ) && g_pGameRules->Damage_IsTimeBased( iDamage ) )
{
m_rgbTimeBasedDamage[i] = 0;
}
}
// Display any effect associate with this damage type
DamageEffect(info.GetDamage(),bitsDamage);
// how bad is it, doc?
ftrivial = (m_iHealth > 75 || m_lastDamageAmount < 5);
fmajor = (m_lastDamageAmount > 25);
fcritical = (m_iHealth < 30);
// handle all bits set in this damage message,
// let the suit give player the diagnosis
// UNDONE: add sounds for types of damage sustained (ie: burn, shock, slash )
// UNDONE: still need to record damage and heal messages for the following types
// DMG_BURN
// DMG_FREEZE
// DMG_BLAST
// DMG_SHOCK
m_bitsDamageType |= bitsDamage; // Save this so we can report it to the client
m_bitsHUDDamage = -1; // make sure the damage bits get resent
bool bTimeBasedDamage = g_pGameRules->Damage_IsTimeBased( bitsDamage );
while (fTookDamage && (!ftrivial || bTimeBasedDamage) && ffound && bitsDamage)
{
ffound = false;
if (bitsDamage & DMG_CLUB)
{
if (fmajor)
SetSuitUpdate("!HEV_DMG4", false, SUIT_NEXT_IN_30SEC); // minor fracture
bitsDamage &= ~DMG_CLUB;
ffound = true;
}
if (bitsDamage & (DMG_FALL | DMG_CRUSH))
{
if (fmajor)
SetSuitUpdate("!HEV_DMG5", false, SUIT_NEXT_IN_30SEC); // major fracture
else
SetSuitUpdate("!HEV_DMG4", false, SUIT_NEXT_IN_30SEC); // minor fracture
bitsDamage &= ~(DMG_FALL | DMG_CRUSH);
ffound = true;
}
if (bitsDamage & DMG_BULLET)
{
if (m_lastDamageAmount > 5)
SetSuitUpdate("!HEV_DMG6", false, SUIT_NEXT_IN_30SEC); // blood loss detected
//else
// SetSuitUpdate("!HEV_DMG0", false, SUIT_NEXT_IN_30SEC); // minor laceration
bitsDamage &= ~DMG_BULLET;
ffound = true;
}
if (bitsDamage & DMG_SLASH)
{
if (fmajor)
SetSuitUpdate("!HEV_DMG1", false, SUIT_NEXT_IN_30SEC); // major laceration
else
SetSuitUpdate("!HEV_DMG0", false, SUIT_NEXT_IN_30SEC); // minor laceration
bitsDamage &= ~DMG_SLASH;
ffound = true;
}
if (bitsDamage & DMG_SONIC)
{
if (fmajor)
SetSuitUpdate("!HEV_DMG2", false, SUIT_NEXT_IN_1MIN); // internal bleeding
bitsDamage &= ~DMG_SONIC;
ffound = true;
}
if (bitsDamage & (DMG_POISON | DMG_PARALYZE))
{
if (bitsDamage & DMG_POISON)
{
m_nPoisonDmg += info.GetDamage();
m_tbdPrev = gpGlobals->curtime;
m_rgbTimeBasedDamage[itbd_PoisonRecover] = 0;
}
SetSuitUpdate("!HEV_DMG3", false, SUIT_NEXT_IN_1MIN); // blood toxins detected
bitsDamage &= ~( DMG_POISON | DMG_PARALYZE );
ffound = true;
}
if (bitsDamage & DMG_ACID)
{
SetSuitUpdate("!HEV_DET1", false, SUIT_NEXT_IN_1MIN); // hazardous chemicals detected
bitsDamage &= ~DMG_ACID;
ffound = true;
}
if (bitsDamage & DMG_NERVEGAS)
{
SetSuitUpdate("!HEV_DET0", false, SUIT_NEXT_IN_1MIN); // biohazard detected
bitsDamage &= ~DMG_NERVEGAS;
ffound = true;
}
if (bitsDamage & DMG_RADIATION)
{
SetSuitUpdate("!HEV_DET2", false, SUIT_NEXT_IN_1MIN); // radiation detected
bitsDamage &= ~DMG_RADIATION;
ffound = true;
}
if (bitsDamage & DMG_SHOCK)
{
bitsDamage &= ~DMG_SHOCK;
ffound = true;
}
}
m_Local.m_vecPunchAngle.SetX( -2 );
if (fTookDamage && !ftrivial && fmajor && flHealthPrev >= 75)
{
// first time we take major damage...
// turn automedic on if not on
SetSuitUpdate("!HEV_MED1", false, SUIT_NEXT_IN_30MIN); // automedic on
// give morphine shot if not given recently
SetSuitUpdate("!HEV_HEAL7", false, SUIT_NEXT_IN_30MIN); // morphine shot
}
if (fTookDamage && !ftrivial && fcritical && flHealthPrev < 75)
{
// already took major damage, now it's critical...
if (m_iHealth < 6)
SetSuitUpdate("!HEV_HLTH3", false, SUIT_NEXT_IN_10MIN); // near death
else if (m_iHealth < 20)
SetSuitUpdate("!HEV_HLTH2", false, SUIT_NEXT_IN_10MIN); // health critical
// give critical health warnings
if (!random->RandomInt(0,3) && flHealthPrev < 50)
SetSuitUpdate("!HEV_DMG7", false, SUIT_NEXT_IN_5MIN); //seek medical attention
}
// if we're taking time based damage, warn about its continuing effects
if (fTookDamage && g_pGameRules->Damage_IsTimeBased( info.GetDamageType() ) && flHealthPrev < 75)
{
if (flHealthPrev < 50)
{
if (!random->RandomInt(0,3))
SetSuitUpdate("!HEV_DMG7", false, SUIT_NEXT_IN_5MIN); //seek medical attention
}
else
SetSuitUpdate("!HEV_HLTH1", false, SUIT_NEXT_IN_10MIN); // health dropping
}
// Do special explosion damage effect
if ( bitsDamage & DMG_BLAST )
{
OnDamagedByExplosion( info );
}
gamestats->Event_PlayerDamage( this, info );
return fTookDamage;
}
int CHL1_Player::OnTakeDamage_Alive( const CTakeDamageInfo &info )
{
int nRet;
int nSavedHealth = m_iHealth;
// Drown
if( info.GetDamageType() & DMG_DROWN )
{
if( m_idrowndmg == m_idrownrestored )
{
EmitSound( "Player.DrownStart" );
}
else
{
EmitSound( "Player.DrownContinue" );
}
}
nRet = BaseClass::OnTakeDamage_Alive( info );
if ( GetFlags() & FL_GODMODE )
{
m_iHealth = nSavedHealth;
}
else if (m_debugOverlays & OVERLAY_BUDDHA_MODE)
{
if ( m_iHealth <= 0 )
{
m_iHealth = 1;
}
}
return nRet;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CHL1_Player::FindMissTargets( void )
{
if ( m_flTargetFindTime > gpGlobals->curtime )
return;
m_flTargetFindTime = gpGlobals->curtime + 1.0f;
m_nNumMissPositions = 0;
CBaseEntity *pEnts[256];
Vector radius( 80, 80, 80);
int numEnts = UTIL_EntitiesInBox( pEnts, 256, GetAbsOrigin()-radius, GetAbsOrigin()+radius, 0 );
for ( int i = 0; i < numEnts; i++ )
{
if ( pEnts[i] == NULL )
continue;
if ( m_nNumMissPositions >= 16 )
return;
//See if it's a good target candidate
if ( FClassnameIs( pEnts[i], "prop_dynamic" ) ||
FClassnameIs( pEnts[i], "dynamic_prop" ) ||
FClassnameIs( pEnts[i], "prop_physics" ) ||
FClassnameIs( pEnts[i], "physics_prop" ) )
{
//NDebugOverlay::Cross3D( pEnts[i]->WorldSpaceCenter(), -Vector(4,4,4), Vector(4,4,4), 0, 255, 0, true, 1.0f );
m_vecMissPositions[m_nNumMissPositions++] = pEnts[i]->WorldSpaceCenter();
continue;
}
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Output : Good position to shoot at
//-----------------------------------------------------------------------------
bool CHL1_Player::GetMissPosition( Vector *position )
{
if ( m_nNumMissPositions == 0 )
return false;
(*position) = m_vecMissPositions[ random->RandomInt( 0, m_nNumMissPositions-1 ) ];
return true;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
int CHL1_Player::FlashlightIsOn( void )
{
return IsEffectActive( EF_DIMLIGHT);
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void CHL1_Player::FlashlightTurnOn( void )
{
if ( IsSuitEquipped() )
{
AddEffects( EF_DIMLIGHT );
CPASAttenuationFilter filter( this );
EmitSound( filter, entindex(), "Player.FlashlightOn" );
m_flFlashLightTime = FLASH_DRAIN_TIME + gpGlobals->curtime;
}
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void CHL1_Player::FlashlightTurnOff( void )
{
RemoveEffects( EF_DIMLIGHT );
CPASAttenuationFilter filter( this );
EmitSound( filter, entindex(), "Player.FlashlightOff" );
m_flFlashLightTime = FLASH_CHARGE_TIME + gpGlobals->curtime;
}
void CHL1_Player::UpdateClientData( void )
{
if (m_DmgTake || m_DmgSave || m_bitsHUDDamage != m_bitsDamageType)
{
// Comes from inside me if not set
Vector damageOrigin = GetLocalOrigin();
// send "damage" message
// causes screen to flash, and pain compass to show direction of damage
damageOrigin = m_DmgOrigin;
// only send down damage type that have hud art
int iShowHudDamage = g_pGameRules->Damage_GetShowOnHud();
int visibleDamageBits = m_bitsDamageType & iShowHudDamage;
m_DmgTake = clamp( m_DmgTake, 0, 255 );
m_DmgSave = clamp( m_DmgSave, 0, 255 );
CSingleUserRecipientFilter user( this );
user.MakeReliable();
UserMessageBegin( user, "Damage" );
WRITE_BYTE( m_DmgSave );
WRITE_BYTE( m_DmgTake );
WRITE_LONG( visibleDamageBits );
WRITE_FLOAT( damageOrigin.x ); //BUG: Should be fixed point (to hud) not floats
WRITE_FLOAT( damageOrigin.y ); //BUG: However, the HUD does _not_ implement bitfield messages (yet)
WRITE_FLOAT( damageOrigin.z ); //BUG: We use WRITE_VEC3COORD for everything else
MessageEnd();
m_DmgTake = 0;
m_DmgSave = 0;
m_bitsHUDDamage = m_bitsDamageType;
// Clear off non-time-based damage indicators
int iDamage = g_pGameRules->Damage_GetTimeBased();
m_bitsDamageType &= iDamage;
}
// Update Flashlight
if ( ( m_flFlashLightTime ) && ( m_flFlashLightTime <= gpGlobals->curtime ) )
{
if ( FlashlightIsOn() )
{
if ( m_nFlashBattery )
{
m_flFlashLightTime = FLASH_DRAIN_TIME + gpGlobals->curtime;
m_nFlashBattery--;
if ( !m_nFlashBattery )
FlashlightTurnOff();
}
}
else
{
if ( m_nFlashBattery < 100 )
{
m_flFlashLightTime = FLASH_CHARGE_TIME + gpGlobals->curtime;
m_nFlashBattery++;
}
else
m_flFlashLightTime = 0;
}
}
BaseClass::UpdateClientData();
}
void CHL1_Player::OnSave( IEntitySaveUtils *pUtils )
{
// If I'm pulling a box, stop.
StopPullingObject();
BaseClass::OnSave(pUtils);
}
void CHL1_Player::CreateViewModel( int index /*=0*/ )
{
Assert( index >= 0 && index < MAX_VIEWMODELS );
if ( GetViewModel( index ) )
return;
CPredictedViewModel *vm = ( CPredictedViewModel * )CreateEntityByName( "predicted_viewmodel" );
if ( vm )
{
vm->SetAbsOrigin( GetAbsOrigin() );
vm->SetOwner( this );
vm->SetIndex( index );
DispatchSpawn( vm );
vm->FollowEntity( this );
m_hViewModel.Set( index, vm );
}
}
void CHL1_Player::OnRestore( void )
{
BaseClass::OnRestore();
// If we are controlling a train, resend our train status
if( !FBitSet( m_iTrain, TRAIN_OFF ) )
{
m_iTrain |= TRAIN_NEW;
}
}
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
static void MatrixOrthogonalize( matrix3x4_t &matrix, int column )
{
Vector columns[3];
int i;
for ( i = 0; i < 3; i++ )
{
MatrixGetColumn( matrix, i, columns[i] );
}
int index0 = column;
int index1 = (column+1)%3;
int index2 = (column+2)%3;
columns[index2] = CrossProduct( columns[index0], columns[index1] );
columns[index1] = CrossProduct( columns[index2], columns[index0] );
VectorNormalize( columns[index2] );
VectorNormalize( columns[index1] );
MatrixSetColumn( columns[index1], index1, matrix );
MatrixSetColumn( columns[index2], index2, matrix );
}
#define SIGN(x) ( (x) < 0 ? -1 : 1 )
static QAngle AlignAngles( const QAngle &angles, float cosineAlignAngle )
{
matrix3x4_t alignMatrix;
AngleMatrix( angles, alignMatrix );
for ( int j = 0; j < 3; j++ )
{
Vector vec;
MatrixGetColumn( alignMatrix, j, vec );
for ( int i = 0; i < 3; i++ )
{
if ( fabs(vec[i]) > cosineAlignAngle )
{
vec[i] = SIGN(vec[i]);
vec[(i+1)%3] = 0;
vec[(i+2)%3] = 0;
MatrixSetColumn( vec, j, alignMatrix );
MatrixOrthogonalize( alignMatrix, j );
break;
}
}
}
QAngle out;
MatrixAngles( alignMatrix, out );
return out;
}
static void TraceCollideAgainstBBox( const CPhysCollide *pCollide, const Vector &start, const Vector &end, const QAngle &angles, const Vector &boxOrigin, const Vector &mins, const Vector &maxs, trace_t *ptr )
{
physcollision->TraceBox( boxOrigin, boxOrigin + (start-end), mins, maxs, pCollide, start, angles, ptr );
if ( ptr->DidHit() )
{
ptr->endpos = start * (1-ptr->fraction) + end * ptr->fraction;
ptr->startpos = start;
ptr->plane.dist = -ptr->plane.dist;
ptr->plane.normal *= -1;
}
}
//---------------------------------------------
#include "player_pickup.h"
#include "props.h"
#include "vphysics/friction.h"
#include "physics_saverestore.h"
ConVar hl2_normspeed( "hl2_normspeed", "190" );
ConVar player_throwforce( "player_throwforce", "1000" );
ConVar physcannon_maxmass( "physcannon_maxmass", "250" );
// derive from this so we can add save/load data to it
struct game_shadowcontrol_params_t : public hlshadowcontrol_params_t
{
DECLARE_SIMPLE_DATADESC();
};
BEGIN_SIMPLE_DATADESC( game_shadowcontrol_params_t )
DEFINE_FIELD( targetPosition, FIELD_POSITION_VECTOR ),
DEFINE_FIELD( targetRotation, FIELD_VECTOR ),
DEFINE_FIELD( maxAngular, FIELD_FLOAT ),
DEFINE_FIELD( maxDampAngular, FIELD_FLOAT ),
DEFINE_FIELD( maxSpeed, FIELD_FLOAT ),
DEFINE_FIELD( maxDampSpeed, FIELD_FLOAT ),
DEFINE_FIELD( dampFactor, FIELD_FLOAT ),
DEFINE_FIELD( teleportDistance, FIELD_FLOAT ),
END_DATADESC()
// when looking level, hold bottom of object 8 inches below eye level
#define PLAYER_HOLD_LEVEL_EYES -8
// when looking down, hold bottom of object 0 inches from feet
#define PLAYER_HOLD_DOWN_FEET 2
// when looking up, hold bottom of object 24 inches above eye level
#define PLAYER_HOLD_UP_EYES 24
// use a +/-30 degree range for the entire range of motion of pitch
#define PLAYER_LOOK_PITCH_RANGE 30
// player can reach down 2ft below his feet (otherwise he'll hold the object above the bottom)
#define PLAYER_REACH_DOWN_DISTANCE 24
static void ComputePlayerMatrix( CBasePlayer *pPlayer, matrix3x4_t &out )
{
if ( !pPlayer )
return;
QAngle angles = pPlayer->EyeAngles();
Vector origin = pPlayer->EyePosition();
// 0-360 / -180-180
//angles.x = init ? 0 : AngleDistance( angles.x, 0 );
//angles.x = clamp( angles.x, -PLAYER_LOOK_PITCH_RANGE, PLAYER_LOOK_PITCH_RANGE );
angles.x = 0;
float feet = pPlayer->GetAbsOrigin().z + pPlayer->WorldAlignMins().z;
float eyes = origin.z;
float zoffset = 0;
// moving up (negative pitch is up)
if ( angles.x < 0 )
{
zoffset = RemapVal( angles.x, 0, -PLAYER_LOOK_PITCH_RANGE, PLAYER_HOLD_LEVEL_EYES, PLAYER_HOLD_UP_EYES );
}
else
{
zoffset = RemapVal( angles.x, 0, PLAYER_LOOK_PITCH_RANGE, PLAYER_HOLD_LEVEL_EYES, PLAYER_HOLD_DOWN_FEET + (feet - eyes) );
}
origin.z += zoffset;
angles.x = 0;
AngleMatrix( angles, origin, out );
}
//-----------------------------------------------------------------------------
class CGrabController : public IMotionEvent
{
DECLARE_SIMPLE_DATADESC();
public:
CGrabController( void );
~CGrabController( void );
void AttachEntity( CBasePlayer *pPlayer, CBaseEntity *pEntity, IPhysicsObject *pPhys, bool bIsMegaPhysCannon = false );
void DetachEntity();
void OnRestore();
bool UpdateObject( CBasePlayer *pPlayer, float flError );
void SetTargetPosition( const Vector &target, const QAngle &targetOrientation );
float ComputeError();
float GetLoadWeight( void ) const { return m_flLoadWeight; }
void SetAngleAlignment( float alignAngleCosine ) { m_angleAlignment = alignAngleCosine; }
void SetIgnorePitch( bool bIgnore ) { m_bIgnoreRelativePitch = bIgnore; }
QAngle TransformAnglesToPlayerSpace( const QAngle &anglesIn, CBasePlayer *pPlayer );
QAngle TransformAnglesFromPlayerSpace( const QAngle &anglesIn, CBasePlayer *pPlayer );
CBaseEntity *GetAttached() { return (CBaseEntity *)m_attachedEntity; }
IMotionEvent::simresult_e Simulate( IPhysicsMotionController *pController, IPhysicsObject *pObject, float deltaTime, Vector &linear, AngularImpulse &angular );
float GetSavedMass( IPhysicsObject *pObject );
private:
// Compute the max speed for an attached object
void ComputeMaxSpeed( CBaseEntity *pEntity, IPhysicsObject *pPhysics );
game_shadowcontrol_params_t m_shadow;
float m_timeToArrive;
float m_errorTime;
float m_error;
float m_contactAmount;
float m_angleAlignment;
bool m_bCarriedEntityBlocksLOS;
bool m_bIgnoreRelativePitch;
float m_flLoadWeight;
float m_savedRotDamping[VPHYSICS_MAX_OBJECT_LIST_COUNT];
float m_savedMass[VPHYSICS_MAX_OBJECT_LIST_COUNT];
EHANDLE m_attachedEntity;
QAngle m_vecPreferredCarryAngles;
bool m_bHasPreferredCarryAngles;
QAngle m_attachedAnglesPlayerSpace;
Vector m_attachedPositionObjectSpace;
IPhysicsMotionController *m_controller;
friend class CWeaponPhysCannon;
};
BEGIN_SIMPLE_DATADESC( CGrabController )
DEFINE_EMBEDDED( m_shadow ),
DEFINE_FIELD( m_timeToArrive, FIELD_FLOAT ),
DEFINE_FIELD( m_errorTime, FIELD_FLOAT ),
DEFINE_FIELD( m_error, FIELD_FLOAT ),
DEFINE_FIELD( m_contactAmount, FIELD_FLOAT ),
DEFINE_AUTO_ARRAY( m_savedRotDamping, FIELD_FLOAT ),
DEFINE_AUTO_ARRAY( m_savedMass, FIELD_FLOAT ),
DEFINE_FIELD( m_flLoadWeight, FIELD_FLOAT ),
DEFINE_FIELD( m_bCarriedEntityBlocksLOS, FIELD_BOOLEAN ),
DEFINE_FIELD( m_bIgnoreRelativePitch, FIELD_BOOLEAN ),
DEFINE_FIELD( m_attachedEntity, FIELD_EHANDLE ),
DEFINE_FIELD( m_angleAlignment, FIELD_FLOAT ),
DEFINE_FIELD( m_vecPreferredCarryAngles, FIELD_VECTOR ),
DEFINE_FIELD( m_bHasPreferredCarryAngles, FIELD_BOOLEAN ),
DEFINE_FIELD( m_attachedAnglesPlayerSpace, FIELD_VECTOR ),
DEFINE_FIELD( m_attachedPositionObjectSpace, FIELD_VECTOR ),
// Physptrs can't be inside embedded classes
// DEFINE_PHYSPTR( m_controller ),
END_DATADESC()
const float DEFAULT_MAX_ANGULAR = 360.0f * 10.0f;
const float REDUCED_CARRY_MASS = 1.0f;
CGrabController::CGrabController( void )
{
m_shadow.dampFactor = 1.0;
m_shadow.teleportDistance = 0;
m_errorTime = 0;
m_error = 0;
// make this controller really stiff!
m_shadow.maxSpeed = 1000;
m_shadow.maxAngular = DEFAULT_MAX_ANGULAR;
m_shadow.maxDampSpeed = m_shadow.maxSpeed*2;
m_shadow.maxDampAngular = m_shadow.maxAngular;
m_attachedEntity = NULL;
m_vecPreferredCarryAngles = vec3_angle;
m_bHasPreferredCarryAngles = false;
}
CGrabController::~CGrabController( void )
{
DetachEntity();
}
void CGrabController::OnRestore()
{
if ( m_controller )
{
m_controller->SetEventHandler( this );
}
}
void CGrabController::SetTargetPosition( const Vector &target, const QAngle &targetOrientation )
{
m_shadow.targetPosition = target;
m_shadow.targetRotation = targetOrientation;
m_timeToArrive = gpGlobals->frametime;
CBaseEntity *pAttached = GetAttached();
if ( pAttached )
{
IPhysicsObject *pObj = pAttached->VPhysicsGetObject();
if ( pObj != NULL )
{
pObj->Wake();
}
else
{
DetachEntity();
}
}
}
float CGrabController::ComputeError()
{
if ( m_errorTime <= 0 )
return 0;
CBaseEntity *pAttached = GetAttached();
if ( pAttached )
{
Vector pos;
IPhysicsObject *pObj = pAttached->VPhysicsGetObject();
if ( pObj )
{
pObj->GetShadowPosition( &pos, NULL );
float error = (m_shadow.targetPosition - pos).Length();
if ( m_errorTime > 0 )
{
if ( m_errorTime > 1 )
{
m_errorTime = 1;
}
float speed = error / m_errorTime;
if ( speed > m_shadow.maxSpeed )
{
error *= 0.5;
}
m_error = (1-m_errorTime) * m_error + error * m_errorTime;
}
}
else
{
DevMsg( "Object attached to Physcannon has no physics object\n" );
DetachEntity();
return 9999; // force detach
}
}
if ( pAttached->IsEFlagSet( EFL_IS_BEING_LIFTED_BY_BARNACLE ) )
{
m_error *= 3.0f;
}
m_errorTime = 0;
return m_error;
}
#define MASS_SPEED_SCALE 60
#define MAX_MASS 40
void CGrabController::ComputeMaxSpeed( CBaseEntity *pEntity, IPhysicsObject *pPhysics )
{
m_shadow.maxSpeed = 1000;
m_shadow.maxAngular = DEFAULT_MAX_ANGULAR;
// Compute total mass...
float flMass = PhysGetEntityMass( pEntity );
float flMaxMass = physcannon_maxmass.GetFloat();
if ( flMass <= flMaxMass )
return;
float flLerpFactor = clamp( flMass, flMaxMass, 500.0f );
flLerpFactor = SimpleSplineRemapVal( flLerpFactor, flMaxMass, 500.0f, 0.0f, 1.0f );
float invMass = pPhysics->GetInvMass();
float invInertia = pPhysics->GetInvInertia().Length();
float invMaxMass = 1.0f / MAX_MASS;
float ratio = invMaxMass / invMass;
invMass = invMaxMass;
invInertia *= ratio;
float maxSpeed = invMass * MASS_SPEED_SCALE * 200;
float maxAngular = invInertia * MASS_SPEED_SCALE * 360;
m_shadow.maxSpeed = Lerp( flLerpFactor, m_shadow.maxSpeed, maxSpeed );
m_shadow.maxAngular = Lerp( flLerpFactor, m_shadow.maxAngular, maxAngular );
}
QAngle CGrabController::TransformAnglesToPlayerSpace( const QAngle &anglesIn, CBasePlayer *pPlayer )
{
if ( m_bIgnoreRelativePitch )
{
matrix3x4_t test;
QAngle angleTest = pPlayer->EyeAngles();
angleTest.x = 0;
AngleMatrix( angleTest, test );
return TransformAnglesToLocalSpace( anglesIn, test );
}
return TransformAnglesToLocalSpace( anglesIn, pPlayer->EntityToWorldTransform() );
}
QAngle CGrabController::TransformAnglesFromPlayerSpace( const QAngle &anglesIn, CBasePlayer *pPlayer )
{
if ( m_bIgnoreRelativePitch )
{
matrix3x4_t test;
QAngle angleTest = pPlayer->EyeAngles();
angleTest.x = 0;
AngleMatrix( angleTest, test );
return TransformAnglesToWorldSpace( anglesIn, test );
}
return TransformAnglesToWorldSpace( anglesIn, pPlayer->EntityToWorldTransform() );
}
void CGrabController::AttachEntity( CBasePlayer *pPlayer, CBaseEntity *pEntity, IPhysicsObject *pPhys, bool bIsMegaPhysCannon )
{
// play the impact sound of the object hitting the player
// used as feedback to let the player know he picked up the object
PhysicsImpactSound( pPlayer, pPhys, CHAN_STATIC, pPhys->GetMaterialIndex(), pPlayer->VPhysicsGetObject()->GetMaterialIndex(), 1.0, 64 );
Vector position;
QAngle angles;
pPhys->GetPosition( &position, &angles );
// If it has a preferred orientation, use that instead.
Pickup_GetPreferredCarryAngles( pEntity, pPlayer, pPlayer->EntityToWorldTransform(), angles );
// ComputeMaxSpeed( pEntity, pPhys );
// Carried entities can never block LOS
m_bCarriedEntityBlocksLOS = pEntity->BlocksLOS();
pEntity->SetBlocksLOS( false );
m_controller = physenv->CreateMotionController( this );
m_controller->AttachObject( pPhys, true );
// Don't do this, it's causing trouble with constraint solvers.
//m_controller->SetPriority( IPhysicsMotionController::HIGH_PRIORITY );
pPhys->Wake();
PhysSetGameFlags( pPhys, FVPHYSICS_PLAYER_HELD );
SetTargetPosition( position, angles );
m_attachedEntity = pEntity;
IPhysicsObject *pList[VPHYSICS_MAX_OBJECT_LIST_COUNT];
int count = pEntity->VPhysicsGetObjectList( pList, ARRAYSIZE(pList) );
m_flLoadWeight = 0;
float damping = 10;
float flFactor = count / 7.5f;
if ( flFactor < 1.0f )
{
flFactor = 1.0f;
}
for ( int i = 0; i < count; i++ )
{
float mass = pList[i]->GetMass();
pList[i]->GetDamping( NULL, &m_savedRotDamping[i] );
m_flLoadWeight += mass;
m_savedMass[i] = mass;
// reduce the mass to prevent the player from adding crazy amounts of energy to the system
pList[i]->SetMass( REDUCED_CARRY_MASS / flFactor );
pList[i]->SetDamping( NULL, &damping );
}
// Give extra mass to the phys object we're actually picking up
pPhys->SetMass( REDUCED_CARRY_MASS );
pPhys->EnableDrag( false );
m_errorTime = bIsMegaPhysCannon ? -1.5f : -1.0f; // 1 seconds until error starts accumulating
m_error = 0;
m_contactAmount = 0;
m_attachedAnglesPlayerSpace = TransformAnglesToPlayerSpace( angles, pPlayer );
if ( m_angleAlignment != 0 )
{
m_attachedAnglesPlayerSpace = AlignAngles( m_attachedAnglesPlayerSpace, m_angleAlignment );
}
VectorITransform( pEntity->WorldSpaceCenter(), pEntity->EntityToWorldTransform(), m_attachedPositionObjectSpace );
// If it's a prop, see if it has desired carry angles
CPhysicsProp *pProp = dynamic_cast<CPhysicsProp *>(pEntity);
if ( pProp )
{
m_bHasPreferredCarryAngles = pProp->GetPropDataAngles( "preferred_carryangles", m_vecPreferredCarryAngles );
}
else
{
m_bHasPreferredCarryAngles = false;
}
}
static void ClampPhysicsVelocity( IPhysicsObject *pPhys, float linearLimit, float angularLimit )
{
Vector vel;
AngularImpulse angVel;
pPhys->GetVelocity( &vel, &angVel );
float speed = VectorNormalize(vel) - linearLimit;
float angSpeed = VectorNormalize(angVel) - angularLimit;
speed = speed < 0 ? 0 : -speed;
angSpeed = angSpeed < 0 ? 0 : -angSpeed;
vel *= speed;
angVel *= angSpeed;
pPhys->AddVelocity( &vel, &angVel );
}
void CGrabController::DetachEntity()
{
CBaseEntity *pEntity = GetAttached();
if ( pEntity )
{
// Restore the LS blocking state
pEntity->SetBlocksLOS( m_bCarriedEntityBlocksLOS );
IPhysicsObject *pList[VPHYSICS_MAX_OBJECT_LIST_COUNT];
int count = pEntity->VPhysicsGetObjectList( pList, ARRAYSIZE(pList) );
for ( int i = 0; i < count; i++ )
{
IPhysicsObject *pPhys = pList[i];
if ( !pPhys )
continue;
// on the odd chance that it's gone to sleep while under anti-gravity
pPhys->EnableDrag( true );
pPhys->Wake();
pPhys->SetMass( m_savedMass[i] );
pPhys->SetDamping( NULL, &m_savedRotDamping[i] );
PhysClearGameFlags( pPhys, FVPHYSICS_PLAYER_HELD );
if ( pPhys->GetContactPoint( NULL, NULL ) )
{
PhysForceClearVelocity( pPhys );
}
else
{
ClampPhysicsVelocity( pPhys, hl2_normspeed.GetFloat() * 1.5f, 2.0f * 360.0f );
}
}
}
m_attachedEntity = NULL;
physenv->DestroyMotionController( m_controller );
m_controller = NULL;
}
static bool InContactWithHeavyObject( IPhysicsObject *pObject, float heavyMass )
{
bool contact = false;
IPhysicsFrictionSnapshot *pSnapshot = pObject->CreateFrictionSnapshot();
while ( pSnapshot->IsValid() )
{
IPhysicsObject *pOther = pSnapshot->GetObject( 1 );
if ( !pOther->IsMoveable() || pOther->GetMass() > heavyMass )
{
contact = true;
break;
}
pSnapshot->NextFrictionData();
}
pObject->DestroyFrictionSnapshot( pSnapshot );
return contact;
}
IMotionEvent::simresult_e CGrabController::Simulate( IPhysicsMotionController *pController, IPhysicsObject *pObject, float deltaTime, Vector &linear, AngularImpulse &angular )
{
game_shadowcontrol_params_t shadowParams = m_shadow;
if ( InContactWithHeavyObject( pObject, GetLoadWeight() ) )
{
m_contactAmount = Approach( 0.1f, m_contactAmount, deltaTime*2.0f );
}
else
{
m_contactAmount = Approach( 1.0f, m_contactAmount, deltaTime*2.0f );
}
shadowParams.maxAngular = m_shadow.maxAngular * m_contactAmount * m_contactAmount * m_contactAmount;
m_timeToArrive = pObject->ComputeShadowControl( shadowParams, m_timeToArrive, deltaTime );
// Slide along the current contact points to fix bouncing problems
Vector velocity;
AngularImpulse angVel;
pObject->GetVelocity( &velocity, &angVel );
PhysComputeSlideDirection( pObject, velocity, angVel, &velocity, &angVel, GetLoadWeight() );
pObject->SetVelocityInstantaneous( &velocity, NULL );
linear.Init();
angular.Init();
m_errorTime += deltaTime;
return SIM_LOCAL_ACCELERATION;
}
float CGrabController::GetSavedMass( IPhysicsObject *pObject )
{
CBaseEntity *pHeld = m_attachedEntity;
if ( pHeld )
{
if ( pObject->GetGameData() == (void*)pHeld )
{
IPhysicsObject *pList[VPHYSICS_MAX_OBJECT_LIST_COUNT];
int count = pHeld->VPhysicsGetObjectList( pList, ARRAYSIZE(pList) );
for ( int i = 0; i < count; i++ )
{
if ( pList[i] == pObject )
return m_savedMass[i];
}
}
}
return 0.0f;
}
bool CGrabController::UpdateObject( CBasePlayer *pPlayer, float flError )
{
CBaseEntity *pEntity = GetAttached();
if ( !pEntity || ComputeError() > flError || pPlayer->GetGroundEntity() == pEntity || !pEntity->VPhysicsGetObject() )
{
return false;
}
//Adrian: Oops, our object became motion disabled, let go!
IPhysicsObject *pPhys = pEntity->VPhysicsGetObject();
if ( pPhys && pPhys->IsMoveable() == false )
{
return false;
}
Vector forward, right, up;
QAngle playerAngles = pPlayer->EyeAngles();
float pitch = AngleDistance(playerAngles.x,0);
playerAngles.x = clamp( pitch, -75, 75 );
AngleVectors( playerAngles, &forward, &right, &up );
// Now clamp a sphere of object radius at end to the player's bbox
Vector radial = physcollision->CollideGetExtent( pPhys->GetCollide(), vec3_origin, pEntity->GetAbsAngles(), -forward );
Vector player2d = pPlayer->CollisionProp()->OBBMaxs();
float playerRadius = player2d.Length2D();
float radius = playerRadius + fabs(DotProduct( forward, radial ));
float distance = 24 + ( radius * 2.0f );
Vector start = pPlayer->Weapon_ShootPosition();
Vector end = start + ( forward * distance );
trace_t tr;
CTraceFilterSkipTwoEntities traceFilter( pPlayer, pEntity, COLLISION_GROUP_NONE );
Ray_t ray;
ray.Init( start, end );
enginetrace->TraceRay( ray, MASK_SOLID_BRUSHONLY, &traceFilter, &tr );
if ( tr.fraction < 0.5 )
{
end = start + forward * (radius*0.5f);
}
else if ( tr.fraction <= 1.0f )
{
end = start + forward * ( distance - radius );
}
Vector playerMins, playerMaxs, nearest;
pPlayer->CollisionProp()->WorldSpaceAABB( &playerMins, &playerMaxs );
Vector playerLine = pPlayer->CollisionProp()->WorldSpaceCenter();
CalcClosestPointOnLine( end, playerLine+Vector(0,0,playerMins.z), playerLine+Vector(0,0,playerMaxs.z), nearest, NULL );
Vector delta = end - nearest;
float len = VectorNormalize(delta);
if ( len < radius )
{
end = nearest + radius * delta;
}
/*
//Show overlays of radius
if ( g_debug_physcannon.GetBool() )
{
NDebugOverlay::Box( end, -Vector( 2,2,2 ), Vector(2,2,2), 0, 255, 0, true, 0 );
NDebugOverlay::Box( GetAttached()->WorldSpaceCenter(),
-Vector( radius, radius, radius),
Vector( radius, radius, radius ),
255, 0, 0,
true,
0.0f );
}
*/
QAngle angles = TransformAnglesFromPlayerSpace( m_attachedAnglesPlayerSpace, pPlayer );
// If it has a preferred orientation, update to ensure we're still oriented correctly.
Pickup_GetPreferredCarryAngles( pEntity, pPlayer, pPlayer->EntityToWorldTransform(), angles );
// We may be holding a prop that has preferred carry angles
if ( m_bHasPreferredCarryAngles )
{
matrix3x4_t tmp;
ComputePlayerMatrix( pPlayer, tmp );
angles = TransformAnglesToWorldSpace( m_vecPreferredCarryAngles, tmp );
}
matrix3x4_t attachedToWorld;
Vector offset;
AngleMatrix( angles, attachedToWorld );
VectorRotate( m_attachedPositionObjectSpace, attachedToWorld, offset );
SetTargetPosition( end - offset, angles );
return true;
}
//-----------------------------------------------------------------------------
// Player pickup controller
//-----------------------------------------------------------------------------
class CPlayerPickupController : public CBaseEntity
{
DECLARE_DATADESC();
DECLARE_CLASS( CPlayerPickupController, CBaseEntity );
public:
void Init( CBasePlayer *pPlayer, CBaseEntity *pObject );
void Shutdown( bool bThrown = false );
bool OnControls( CBaseEntity *pControls ) { return true; }
void Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
void OnRestore()
{
m_grabController.OnRestore();
}
void VPhysicsUpdate( IPhysicsObject *pPhysics ){}
void VPhysicsShadowUpdate( IPhysicsObject *pPhysics ) {}
bool IsHoldingEntity( CBaseEntity *pEnt );
CGrabController &GetGrabController() { return m_grabController; }
private:
CGrabController m_grabController;
CBasePlayer *m_pPlayer;
};
LINK_ENTITY_TO_CLASS( player_pickup, CPlayerPickupController );
//---------------------------------------------------------
// Save/Restore
//---------------------------------------------------------
BEGIN_DATADESC( CPlayerPickupController )
DEFINE_EMBEDDED( m_grabController ),
// Physptrs can't be inside embedded classes
DEFINE_PHYSPTR( m_grabController.m_controller ),
DEFINE_FIELD( m_pPlayer, FIELD_CLASSPTR ),
END_DATADESC()
//-----------------------------------------------------------------------------
// Purpose:
// Input : *pPlayer -
// *pObject -
//-----------------------------------------------------------------------------
void CPlayerPickupController::Init( CBasePlayer *pPlayer, CBaseEntity *pObject )
{
// Holster player's weapon
if ( pPlayer->GetActiveWeapon() )
{
if ( !pPlayer->GetActiveWeapon()->Holster() )
{
Shutdown();
return;
}
}
// If the target is debris, convert it to non-debris
if ( pObject->GetCollisionGroup() == COLLISION_GROUP_DEBRIS )
{
// Interactive debris converts back to debris when it comes to rest
pObject->SetCollisionGroup( COLLISION_GROUP_INTERACTIVE_DEBRIS );
}
// done so I'll go across level transitions with the player
SetParent( pPlayer );
m_grabController.SetIgnorePitch( true );
m_grabController.SetAngleAlignment( DOT_30DEGREE );
m_pPlayer = pPlayer;
IPhysicsObject *pPhysics = pObject->VPhysicsGetObject();
Pickup_OnPhysGunPickup( pObject, m_pPlayer );
m_grabController.AttachEntity( pPlayer, pObject, pPhysics );
m_pPlayer->m_Local.m_iHideHUD |= HIDEHUD_WEAPONSELECTION;
m_pPlayer->SetUseEntity( this );
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : bool -
//-----------------------------------------------------------------------------
void CPlayerPickupController::Shutdown( bool bThrown )
{
CBaseEntity *pObject = m_grabController.GetAttached();
m_grabController.DetachEntity();
if ( pObject != NULL )
{
Pickup_OnPhysGunDrop( pObject, m_pPlayer, bThrown ? THROWN_BY_PLAYER : DROPPED_BY_PLAYER );
}
if ( m_pPlayer )
{
m_pPlayer->SetUseEntity( NULL );
if ( m_pPlayer->GetActiveWeapon() )
{
m_pPlayer->GetActiveWeapon()->Deploy();
}
m_pPlayer->m_Local.m_iHideHUD &= ~HIDEHUD_WEAPONSELECTION;
}
Remove();
}
void CPlayerPickupController::Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
if ( ToBasePlayer(pActivator) == m_pPlayer )
{
CBaseEntity *pAttached = m_grabController.GetAttached();
// UNDONE: Use vphysics stress to decide to drop objects
// UNDONE: Must fix case of forcing objects into the ground you're standing on (causes stress) before that will work
if ( !pAttached || useType == USE_OFF || (m_pPlayer->m_nButtons & IN_ATTACK2) || m_grabController.ComputeError() > 12 )
{
Shutdown();
return;
}
//Adrian: Oops, our object became motion disabled, let go!
IPhysicsObject *pPhys = pAttached->VPhysicsGetObject();
if ( pPhys && pPhys->IsMoveable() == false )
{
Shutdown();
return;
}
#if STRESS_TEST
vphysics_objectstress_t stress;
CalculateObjectStress( pAttached->VPhysicsGetObject(), pAttached, &stress );
if ( stress.exertedStress > 250 )
{
Shutdown();
return;
}
#endif
// +ATTACK will throw phys objects
if ( m_pPlayer->m_nButtons & IN_ATTACK )
{
Shutdown( true );
Vector vecLaunch;
m_pPlayer->EyeVectors( &vecLaunch );
// JAY: Scale this with mass because some small objects really go flying
float massFactor = clamp( pAttached->VPhysicsGetObject()->GetMass(), 0.5, 15 );
massFactor = RemapVal( massFactor, 0.5, 15, 0.5, 4 );
vecLaunch *= player_throwforce.GetFloat() * massFactor;
pAttached->VPhysicsGetObject()->ApplyForceCenter( vecLaunch );
AngularImpulse aVel = RandomAngularImpulse( -10, 10 ) * massFactor;
pAttached->VPhysicsGetObject()->ApplyTorqueCenter( aVel );
return;
}
if ( useType == USE_SET )
{
// update position
m_grabController.UpdateObject( m_pPlayer, 12 );
}
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *pEnt -
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool CPlayerPickupController::IsHoldingEntity( CBaseEntity *pEnt )
{
return ( m_grabController.GetAttached() == pEnt );
}
ConVar hl1_new_pull( "hl1_new_pull", "1" );
void PlayerPickupObject( CBasePlayer *pPlayer, CBaseEntity *pObject )
{
if( hl1_new_pull.GetBool() )
{
CHL1_Player *pHL1Player = dynamic_cast<CHL1_Player*>(pPlayer);
if( pHL1Player && !pHL1Player->IsPullingObject() )
{
pHL1Player->StartPullingObject(pObject);
}
}
}