95 lines
2.2 KiB
C++
95 lines
2.2 KiB
C++
// Copyright (C) 2007 Id Software, Inc.
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//
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#include "../precompiled.h"
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#pragma hdrstop
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#if defined( _DEBUG ) && !defined( ID_REDIRECT_NEWDELETE )
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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#include "Physics.h"
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#include "Clip.h"
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ABSTRACT_DECLARATION( idClass, idPhysics )
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END_CLASS
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/*
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================
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idPhysics::~idPhysics
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================
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*/
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idPhysics::~idPhysics( void ) {
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}
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/*
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================
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idPhysics::SetClipBox
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================
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*/
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void idPhysics::SetClipBox( const idBounds &bounds, float density ) {
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SetClipModel( new idClipModel( idTraceModel( bounds ), false ), density );
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}
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/*
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================
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idPhysics::EvaluatePosition
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================
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*/
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idVec3 idPhysics::EvaluatePosition( void ) const {
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return GetBounds().GetCenter() * GetAxis() + GetOrigin();
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}
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/*
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================
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idPhysics::SnapTimeToPhysicsFrame
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================
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*/
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int idPhysics::SnapTimeToPhysicsFrame( int t ) {
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/* int s;
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s = t + gameLocal.msec - 1;
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return ( s - s % gameLocal.msec );*/
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return t;
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}
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/*
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================
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idPhysics::WakeEntitiesContacting
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================
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*/
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void idPhysics::WakeEntitiesContacting( idEntity* self, const idClipModel* clipModel ) {
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if ( clipModel->GetContents() == 0 ) {
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// do nothing with a disabled clip model
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return;
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}
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const idClipModel* otherModels[ MAX_GENTITIES ];
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int numModels = gameLocal.clip.ClipModelsTouchingBounds( CLIP_DEBUG_PARMS clipModel->GetAbsBounds(), -1, otherModels, MAX_GENTITIES, clipModel->GetEntity() );
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const idBounds& bounds = clipModel->GetBounds();
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idMat3 axisT = clipModel->GetAxis().Transpose();
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idVec3 origin = clipModel->GetOrigin();
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for ( int i = 0; i < numModels; i++ ) {
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const idClipModel* cm = otherModels[ i ];
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if ( cm->GetEntity() == NULL ) {
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continue;
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}
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// transform bounds into local space and check for intersection
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// not 100% accurate but good enough
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idBounds otherBounds = cm->GetAbsBounds();
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otherBounds.TranslateSelf( -origin );
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otherBounds.RotateSelf( axisT );
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if ( otherBounds.IntersectsBounds( bounds ) ) {
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cm->GetEntity()->ActivatePhysics();
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}
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}
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}
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