mirror of
https://github.com/nillerusr/source-engine.git
synced 2024-12-23 14:46:53 +00:00
147 lines
3.8 KiB
C++
147 lines
3.8 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
|
|
//
|
|
// Purpose: Physics constraint entities
|
|
//
|
|
// $NoKeywords: $
|
|
//===========================================================================//
|
|
|
|
#ifndef PHYSCONSTRAINT_H
|
|
#define PHYSCONSTRAINT_H
|
|
#ifdef _WIN32
|
|
#pragma once
|
|
#endif
|
|
|
|
#include "vphysics/constraints.h"
|
|
|
|
struct hl_constraint_info_t
|
|
{
|
|
hl_constraint_info_t()
|
|
{
|
|
pObjects[0] = pObjects[1] = NULL;
|
|
pGroup = NULL;
|
|
anchorPosition[0].Init();
|
|
anchorPosition[1].Init();
|
|
swapped = false;
|
|
massScale[0] = massScale[1] = 1.0f;
|
|
}
|
|
Vector anchorPosition[2];
|
|
IPhysicsObject *pObjects[2];
|
|
IPhysicsConstraintGroup *pGroup;
|
|
float massScale[2];
|
|
bool swapped;
|
|
};
|
|
|
|
abstract_class CPhysConstraint : public CLogicalEntity
|
|
{
|
|
DECLARE_CLASS( CPhysConstraint, CLogicalEntity );
|
|
public:
|
|
|
|
CPhysConstraint();
|
|
~CPhysConstraint();
|
|
|
|
DECLARE_DATADESC();
|
|
|
|
void Spawn( void );
|
|
void Precache( void );
|
|
void Activate( void );
|
|
|
|
void ClearStaticFlag( IPhysicsObject *pObj );
|
|
|
|
virtual void Deactivate();
|
|
|
|
void OnBreak( void );
|
|
|
|
void InputBreak( inputdata_t &inputdata );
|
|
|
|
void InputOnBreak( inputdata_t &inputdata );
|
|
|
|
void InputTurnOn( inputdata_t &inputdata );
|
|
|
|
void InputTurnOff( inputdata_t &inputdata );
|
|
|
|
int DrawDebugTextOverlays();
|
|
|
|
void DrawDebugGeometryOverlays();
|
|
|
|
void GetBreakParams( constraint_breakableparams_t ¶ms, const hl_constraint_info_t &info );
|
|
|
|
// the notify system calls this on the constrained entities - used to detect & follow teleports
|
|
void NotifySystemEvent( CBaseEntity *pNotify, notify_system_event_t eventType, const notify_system_event_params_t ¶ms );
|
|
|
|
// gets called at setup time on first init and restore
|
|
virtual void OnConstraintSetup( hl_constraint_info_t &info );
|
|
|
|
// return the internal constraint object (used by sound gadgets)
|
|
inline IPhysicsConstraint *GetPhysConstraint() { return m_pConstraint; }
|
|
|
|
string_t GetNameAttach1( void ){ return m_nameAttach1; }
|
|
string_t GetNameAttach2( void ){ return m_nameAttach2; }
|
|
|
|
protected:
|
|
void GetConstraintObjects( hl_constraint_info_t &info );
|
|
void SetupTeleportationHandling( hl_constraint_info_t &info );
|
|
bool ActivateConstraint( void );
|
|
virtual IPhysicsConstraint *CreateConstraint( IPhysicsConstraintGroup *pGroup, const hl_constraint_info_t &info ) = 0;
|
|
|
|
IPhysicsConstraint *m_pConstraint;
|
|
|
|
// These are "template" values used to construct the hinge
|
|
string_t m_nameAttach1;
|
|
string_t m_nameAttach2;
|
|
string_t m_breakSound;
|
|
string_t m_nameSystem;
|
|
float m_forceLimit;
|
|
float m_torqueLimit;
|
|
unsigned int m_teleportTick;
|
|
float m_minTeleportDistance;
|
|
|
|
COutputEvent m_OnBreak;
|
|
};
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Fixed breakable constraint
|
|
//-----------------------------------------------------------------------------
|
|
class CPhysFixed : public CPhysConstraint
|
|
{
|
|
DECLARE_CLASS( CPhysFixed, CPhysConstraint );
|
|
public:
|
|
IPhysicsConstraint *CreateConstraint( IPhysicsConstraintGroup *pGroup, const hl_constraint_info_t &info );
|
|
|
|
// just for debugging - move to the position of the reference entity
|
|
void MoveToRefPosition()
|
|
{
|
|
if ( m_pConstraint )
|
|
{
|
|
matrix3x4_t xformRef;
|
|
m_pConstraint->GetConstraintTransform( &xformRef, NULL );
|
|
IPhysicsObject *pObj = m_pConstraint->GetReferenceObject();
|
|
if ( pObj && pObj->IsMoveable() )
|
|
{
|
|
Vector pos, posWorld;
|
|
MatrixPosition( xformRef, pos );
|
|
pObj->LocalToWorld(&posWorld, pos);
|
|
SetAbsOrigin(posWorld);
|
|
}
|
|
}
|
|
}
|
|
int DrawDebugTextOverlays()
|
|
{
|
|
if ( m_debugOverlays & OVERLAY_TEXT_BIT )
|
|
{
|
|
MoveToRefPosition();
|
|
}
|
|
return BaseClass::DrawDebugTextOverlays();
|
|
}
|
|
void DrawDebugGeometryOverlays()
|
|
{
|
|
if ( m_debugOverlays & (OVERLAY_BBOX_BIT|OVERLAY_PIVOT_BIT|OVERLAY_ABSBOX_BIT) )
|
|
{
|
|
MoveToRefPosition();
|
|
}
|
|
BaseClass::DrawDebugGeometryOverlays();
|
|
}
|
|
};
|
|
|
|
#endif // PHYSCONSTRAINT_H
|
|
|