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weapon_physcannon.cpp
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weapon_physcannon.cpp
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: Physics cannon
//
//=============================================================================//
#include "cbase.h"
#ifdef CLIENT_DLL
#include "c_hl2mp_player.h"
#include "vcollide_parse.h"
#include "engine/ivdebugoverlay.h"
#include "iviewrender_beams.h"
#include "beamdraw.h"
#include "c_te_effect_dispatch.h"
#include "model_types.h"
#include "clienteffectprecachesystem.h"
#include "fx_interpvalue.h"
#else
#include "hl2mp_player.h"
#include "soundent.h"
#include "ndebugoverlay.h"
#include "ai_basenpc.h"
#include "player_pickup.h"
#include "physics_prop_ragdoll.h"
#include "globalstate.h"
#include "props.h"
#include "te_effect_dispatch.h"
#include "util.h"
#endif
#include "gamerules.h"
#include "soundenvelope.h"
#include "engine/IEngineSound.h"
#include "physics.h"
#include "in_buttons.h"
#include "IEffects.h"
#include "shake.h"
#include "beam_shared.h"
#include "Sprite.h"
#include "weapon_physcannon.h"
#include "physics_saverestore.h"
#include "movevars_shared.h"
#include "weapon_hl2mpbasehlmpcombatweapon.h"
#include "vphysics/friction.h"
#include "debugoverlay_shared.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
extern ConVar physcannon_mega_enabled;
#define SPRITE_SCALE 128.0f
static const char *s_pWaitForUpgradeContext = "WaitForUpgrade";
ConVar g_debug_physcannon( "g_debug_physcannon", "0", FCVAR_REPLICATED | FCVAR_CHEAT );
ConVar physcannon_minforce( "physcannon_minforce", "700", FCVAR_REPLICATED | FCVAR_CHEAT );
ConVar physcannon_maxforce( "physcannon_maxforce", "1500", FCVAR_REPLICATED | FCVAR_CHEAT );
ConVar physcannon_maxmass( "physcannon_maxmass", "250", FCVAR_REPLICATED | FCVAR_CHEAT );
ConVar physcannon_tracelength( "physcannon_tracelength", "250", FCVAR_REPLICATED | FCVAR_CHEAT );
ConVar physcannon_chargetime("physcannon_chargetime", "2", FCVAR_REPLICATED | FCVAR_CHEAT );
ConVar physcannon_pullforce( "physcannon_pullforce", "4000", FCVAR_REPLICATED | FCVAR_CHEAT );
ConVar physcannon_cone( "physcannon_cone", "0.97", FCVAR_REPLICATED | FCVAR_CHEAT );
ConVar physcannon_ball_cone( "physcannon_ball_cone", "0.997", FCVAR_REPLICATED | FCVAR_CHEAT );
ConVar player_throwforce( "player_throwforce", "1000", FCVAR_REPLICATED | FCVAR_CHEAT );
#define FCVAR_SERVER FCVAR_REPLICATED
ConVar physcannon_mega_pullforce("physcannon_mega_pullforce", "8000", FCVAR_NOTIFY | FCVAR_SERVER);
ConVar physcannon_mega_tracelength("physcannon_mega_tracelength", "850", FCVAR_NOTIFY | FCVAR_SERVER);
//#define SP_LIKE_PHYSCANNON
#ifndef CLIENT_DLL
extern ConVar hl2_normspeed;
extern ConVar hl2_walkspeed;
#endif
#define PHYSCANNON_BEAM_SPRITE "sprites/orangelight1.vmt"
#define PHYSCANNON_BEAM_SPRITE_NOZ "sprites/orangelight1_noz.vmt"
#define PHYSCANNON_GLOW_SPRITE "sprites/glow04_noz"
#define PHYSCANNON_ENDCAP_SPRITE "sprites/orangeflare1"
#define PHYSCANNON_CENTER_GLOW "sprites/orangecore1"
#define PHYSCANNON_BLAST_SPRITE "sprites/orangecore2"
#define MEGACANNON_BEAM_SPRITE "sprites/lgtning_noz.vmt"
#define MEGACANNON_GLOW_SPRITE "sprites/blueflare1_noz.vmt"
#define MEGACANNON_ENDCAP_SPRITE "sprites/blueflare1_noz.vmt"
#define MEGACANNON_CENTER_GLOW "effects/fluttercore.vmt"
#define MEGACANNON_BLAST_SPRITE "effects/fluttercore.vmt"
#define MEGACANNON_RAGDOLL_BOOGIE_SPRITE "sprites/lgtning_noz.vmt"
#define MEGACANNON_MODEL "models/weapons/v_superphyscannon.mdl"
#define MEGACANNON_SKIN 1
#ifdef CLIENT_DLL
//Precahce the effects
CLIENTEFFECT_REGISTER_BEGIN( PrecacheEffectPhysCannon )
CLIENTEFFECT_MATERIAL( "sprites/orangelight1" )
CLIENTEFFECT_MATERIAL( "sprites/orangelight1_noz" )
CLIENTEFFECT_MATERIAL( PHYSCANNON_GLOW_SPRITE )
CLIENTEFFECT_MATERIAL( PHYSCANNON_ENDCAP_SPRITE )
CLIENTEFFECT_MATERIAL( PHYSCANNON_CENTER_GLOW )
CLIENTEFFECT_MATERIAL( PHYSCANNON_BLAST_SPRITE )
CLIENTEFFECT_MATERIAL( MEGACANNON_GLOW_SPRITE )
CLIENTEFFECT_MATERIAL( MEGACANNON_ENDCAP_SPRITE )
CLIENTEFFECT_MATERIAL( MEGACANNON_CENTER_GLOW )
CLIENTEFFECT_MATERIAL( MEGACANNON_BLAST_SPRITE )
CLIENTEFFECT_REGISTER_END()
#endif // CLIENT_DLL
#ifndef CLIENT_DLL
void PhysCannonBeginUpgrade( CBaseAnimating *pAnim )
{
}
bool PlayerHasMegaPhysCannon( void )
{
if (physcannon_mega_enabled.GetBool() || GlobalEntity_GetState("super_phys_gun"))
{
return true;
}
else
{
return false;
}
}
bool PhysCannonAccountableForObject( CBaseCombatWeapon *pPhysCannon, CBaseEntity *pObject )
{
// BRJ: FIXME! This can't be implemented trivially, so I'm leaving it to Steve or Adrian
Assert( 0 );
return false;
}
#endif
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// this will hit skip the pass entity, but not anything it owns
// (lets player grab own grenades)
class CTraceFilterNoOwnerTest : public CTraceFilterSimple
{
public:
DECLARE_CLASS( CTraceFilterNoOwnerTest, CTraceFilterSimple );
CTraceFilterNoOwnerTest( const IHandleEntity *passentity, int collisionGroup )
: CTraceFilterSimple( NULL, collisionGroup ), m_pPassNotOwner(passentity)
{
}
virtual bool ShouldHitEntity( IHandleEntity *pHandleEntity, int contentsMask )
{
if ( pHandleEntity != m_pPassNotOwner )
return BaseClass::ShouldHitEntity( pHandleEntity, contentsMask );
return false;
}
protected:
const IHandleEntity *m_pPassNotOwner;
};
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 )
//bool PlayerPickup2 = false;
static QAngle AlignAngles( const QAngle &angles, float cosineAlignAngle )
{
matrix3x4_t alignMatrix;
AngleMatrix( angles, alignMatrix );
// NOTE: Must align z first
for ( int j = 3; --j >= 0; )
{
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;
}
}
//-----------------------------------------------------------------------------
// Purpose: Computes a local matrix for the player clamped to valid carry ranges
//-----------------------------------------------------------------------------
// 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 );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
// 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()
//-----------------------------------------------------------------------------
class CGrabController : public IMotionEvent
{
public:
CGrabController( void );
~CGrabController( void );
void AttachEntity( CBasePlayer *pPlayer, CBaseEntity *pEntity, IPhysicsObject *pPhys, bool bIsMegaPhysCannon, const Vector& vGrabPosition, bool bUseGrabPosition);
void DetachEntity( bool bClearVelocity );
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 );
QAngle m_attachedAnglesPlayerSpace;
Vector m_attachedPositionObjectSpace;
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;
IPhysicsMotionController *m_controller;
int m_frameCount;
friend class CWeaponPhysCannon;
};
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( false );
}
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( false );
}
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Output : float
//-----------------------------------------------------------------------------
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( false );
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 )
{
#ifndef CLIENT_DLL
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 );
#endif
}
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, const Vector &vGrabPosition, bool bUseGrabPosition )
{
// play the impact sound of the object hitting the player
// used as feedback to let the player know he picked up the object
#ifndef CLIENT_DLL
PhysicsImpactSound( pPlayer, pPhys, CHAN_STATIC, pPhys->GetMaterialIndex(), pPlayer->VPhysicsGetObject()->GetMaterialIndex(), 1.0, 64 );
#endif
Vector position;
QAngle angles;
pPhys->GetPosition( &position, &angles );
// If it has a preferred orientation, use that instead.
#ifndef CLIENT_DLL
Pickup_GetPreferredCarryAngles( pEntity, pPlayer, pPlayer->EntityToWorldTransform(), angles );
#endif
// 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 = -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 );
#ifndef CLIENT_DLL
// 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;
}
#else
m_bHasPreferredCarryAngles = false;
#endif
}
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( bool bClearVelocity )
{
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 ( bClearVelocity )
{
PhysForceClearVelocity( pPhys );
}
else
{
#ifndef CLIENT_DLL
ClampPhysicsVelocity( pPhys, hl2_normspeed.GetFloat() * 1.5f, 2.0f * 360.0f );
#endif
}
}
}
m_attachedEntity = NULL;
if ( physenv )
{
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;
#ifndef CLIENT_DLL
m_timeToArrive = pObject->ComputeShadowControl( shadowParams, m_timeToArrive, deltaTime );
#else
m_timeToArrive = pObject->ComputeShadowControl( shadowParams, (TICK_INTERVAL*2), deltaTime );
#endif
// 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;
}
//-----------------------------------------------------------------------------
// Player pickup controller
//-----------------------------------------------------------------------------
class CPlayerPickupController : public CBaseEntity
{
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 );
//-----------------------------------------------------------------------------
// Purpose:
// Input : *pPlayer -
// *pObject -
//-----------------------------------------------------------------------------
void CPlayerPickupController::Init( CBasePlayer *pPlayer, CBaseEntity *pObject )
{
#ifndef CLIENT_DLL
// Holster player's weapon
if ( pPlayer->GetActiveWeapon() )
{
if ( !pPlayer->GetActiveWeapon()->Holster() )
{
Shutdown();
return;
}
}
CHL2MP_Player *pOwner = (CHL2MP_Player *)ToBasePlayer( pPlayer );
if ( pOwner )
{
pOwner->EnableSprint( false );
}
// 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, false, vec3_origin, false );
m_pPlayer->m_Local.m_iHideHUD |= HIDEHUD_WEAPONSELECTION;
m_pPlayer->SetUseEntity( this );
#endif
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : bool -
//-----------------------------------------------------------------------------
void CPlayerPickupController::Shutdown( bool bThrown )
{
#ifndef CLIENT_DLL
CBaseEntity *pObject = m_grabController.GetAttached();
bool bClearVelocity = false;
if ( !bThrown && pObject && pObject->VPhysicsGetObject() && pObject->VPhysicsGetObject()->GetContactPoint(NULL,NULL) )
{
bClearVelocity = true;
}
m_grabController.DetachEntity( bClearVelocity );
if ( pObject != NULL )
{
Pickup_OnPhysGunDrop( pObject, m_pPlayer, bThrown ? THROWN_BY_PLAYER : DROPPED_BY_PLAYER );
}
if ( m_pPlayer )
{
CHL2MP_Player *pOwner = (CHL2MP_Player *)ToBasePlayer( m_pPlayer );
if ( pOwner )
{
pOwner->EnableSprint( true );
}
m_pPlayer->SetUseEntity( NULL );
if ( m_pPlayer->GetActiveWeapon() )
{
if ( !m_pPlayer->GetActiveWeapon()->Deploy() )
{
// We tried to restore the player's weapon, but we couldn't.
// This usually happens when they're holding an empty weapon that doesn't
// autoswitch away when out of ammo. Switch to next best weapon.
m_pPlayer->SwitchToNextBestWeapon( NULL );
}
}
m_pPlayer->m_Local.m_iHideHUD &= ~HIDEHUD_WEAPONSELECTION;
}
Remove();
#endif
}
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( pPhys, 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( pPhys->GetMass(), 0.5, 15 );
massFactor = RemapVal( massFactor, 0.5, 15, 0.5, 4 );
vecLaunch *= player_throwforce.GetFloat() * massFactor;
pPhys->ApplyForceCenter( vecLaunch );
AngularImpulse aVel = RandomAngularImpulse( -10, 10 ) * massFactor;
pPhys->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 );
}
#ifndef CLIENT_DLL
#include "player_pickup.h"
#endif
void PlayerPickupObject( CBasePlayer *pPlayer, CBaseEntity *pObject )
{
//PlayerPickup2 = PlayerPickup;
#ifndef CLIENT_DLL
//Don't pick up if we don't have a phys object.
if ( pObject->VPhysicsGetObject() == NULL )
return;
CPlayerPickupController *pController = (CPlayerPickupController *)CBaseEntity::Create( "player_pickup", pObject->GetAbsOrigin(), vec3_angle, pPlayer );
if ( !pController )
return;
pController->Init( pPlayer, pObject );
#endif
}
//----------------------------------------------------------------------------------------------------------------------------------------------------------
// CInterpolatedValue class
//----------------------------------------------------------------------------------------------------------------------------------------------------------
#ifdef CLIENT_DLL
//----------------------------------------------------------------------------------------------------------------------------------------------------------
// CPhysCannonEffect class
//----------------------------------------------------------------------------------------------------------------------------------------------------------
class CPhysCannonEffect
{
public:
CPhysCannonEffect( void ) : m_vecColor( 255, 255, 255 ), m_bVisible( true ), m_nAttachment( -1 ) {};
void SetAttachment( int attachment ) { m_nAttachment = attachment; }
int GetAttachment( void ) const { return m_nAttachment; }
void SetVisible( bool visible = true ) { m_bVisible = visible; }
int IsVisible( void ) const { return m_bVisible; }
void SetColor( const Vector &color ) { m_vecColor = color; }
const Vector &GetColor( void ) const { return m_vecColor; }
bool SetMaterial( const char *materialName )
{
m_hMaterial.Init( materialName, TEXTURE_GROUP_CLIENT_EFFECTS );
return ( m_hMaterial != NULL );
}
CMaterialReference &GetMaterial( void ) { return m_hMaterial; }
CInterpolatedValue &GetAlpha( void ) { return m_Alpha; }
CInterpolatedValue &GetScale( void ) { return m_Scale; }
private:
CInterpolatedValue m_Alpha;
CInterpolatedValue m_Scale;
Vector m_vecColor;
bool m_bVisible;
int m_nAttachment;
CMaterialReference m_hMaterial;
};