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605 lines
17 KiB
C++
605 lines
17 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//=============================================================================//
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#include "stdafx.h"
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#include "Box3D.h"
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#include "StockSolids.h"
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#include "GlobalFunctions.h"
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#include "hammer_mathlib.h"
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#include "MapDoc.h"
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#include "MapEntity.h"
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#include "MapWorld.h"
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#include "KeyFrame/KeyFrame.h"
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#include "MapKeyFrame.h"
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#include "MapAnimator.h"
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#include "Render3D.h"
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#include "TextureSystem.h"
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#include "materialsystem/imesh.h"
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#include "Material.h"
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// memdbgon must be the last include file in a .cpp file!!!
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#include <tier0/memdbgon.h>
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IMPLEMENT_MAPCLASS( CMapKeyFrame );
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//-----------------------------------------------------------------------------
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// Purpose: Factory function. Used for creating a CMapKeyFrame from a set
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// of string parameters from the FGD file.
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// Input : *pInfo - Pointer to helper info class which gives us information
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// about how to create the class.
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// Output : Returns a pointer to the class, NULL if an error occurs.
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//-----------------------------------------------------------------------------
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CMapClass *CMapKeyFrame::CreateMapKeyFrame(CHelperInfo *pHelperInfo, CMapEntity *pParent)
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{
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return(new CMapKeyFrame);
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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CMapKeyFrame::CMapKeyFrame()
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{
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m_pAnimator = NULL;
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m_pNextKeyFrame = NULL;
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m_flMoveTime = 0;
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m_flSpeed = 0;
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m_bRebuildPath = false;
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m_Angles.Init();
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// setup the quaternion identity
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m_qAngles[0] = m_qAngles[1] = m_qAngles[2] = 0;
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m_qAngles[3] = 1;
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m_pPositionInterpolator = NULL;
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m_iPositionInterpolator = -1;
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m_iChangeFrame = -1;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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CMapKeyFrame::~CMapKeyFrame()
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{
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if( m_pPositionInterpolator )
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m_pPositionInterpolator->Release();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : bFullUpdate -
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//-----------------------------------------------------------------------------
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void CMapKeyFrame::CalcBounds(BOOL bFullUpdate)
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{
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CMapClass::CalcBounds(bFullUpdate);
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//
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// Calculate the 3D bounds to include all points on our line.
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//
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m_CullBox.ResetBounds();
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m_CullBox.UpdateBounds(m_Origin);
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if( m_pNextKeyFrame )
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{
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// Expand the bbox by the target entity's origin.
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Vector vNextOrigin;
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m_pNextKeyFrame->GetOrigin( vNextOrigin );
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m_CullBox.UpdateBounds(vNextOrigin);
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// Expand the bbox by the points on our line.
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for ( int i=0; i < MAX_LINE_POINTS; i++ )
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{
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m_CullBox.UpdateBounds(m_LinePoints[i]);
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}
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}
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m_BoundingBox = m_CullBox;
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//
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// Our 2D bounds are just a point, because we don't render in 2D.
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//
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m_Render2DBox.ResetBounds();
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m_Render2DBox.UpdateBounds(m_Origin, m_Origin);
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Output : CMapClass *
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//-----------------------------------------------------------------------------
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CMapClass *CMapKeyFrame::Copy(bool bUpdateDependencies)
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{
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CMapKeyFrame *pNew = new CMapKeyFrame;
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pNew->CopyFrom(this, bUpdateDependencies);
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return pNew;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : *pObj -
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// Output : CMapClass *
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//-----------------------------------------------------------------------------
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CMapClass *CMapKeyFrame::CopyFrom(CMapClass *pObj, bool bUpdateDependencies)
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{
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CMapClass::CopyFrom(pObj, bUpdateDependencies);
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CMapKeyFrame *pFrom = dynamic_cast<CMapKeyFrame*>( pObj );
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Assert( pFrom != NULL );
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m_qAngles = pFrom->m_qAngles;
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m_Angles = pFrom->m_Angles;
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m_flSpeed = pFrom->m_flSpeed;
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m_flMoveTime = pFrom->m_flMoveTime;
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if (bUpdateDependencies)
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{
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m_pNextKeyFrame = (CMapKeyFrame *)UpdateDependency(m_pNextKeyFrame, pFrom->m_pNextKeyFrame);
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}
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else
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{
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m_pNextKeyFrame = pFrom->m_pNextKeyFrame;
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}
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m_bRebuildPath = true;
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return this;
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}
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//-----------------------------------------------------------------------------
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// Purpose: notifies the keyframe that it has been cloned
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// inserts the clone into the correct place in the keyframe list
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// Input : *pClone -
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//-----------------------------------------------------------------------------
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void CMapKeyFrame::OnClone( CMapClass *pClone, CMapWorld *pWorld, const CMapObjectList &OriginalList, CMapObjectList &NewList )
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{
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CMapClass::OnClone( pClone, pWorld, OriginalList, NewList );
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CMapKeyFrame *pNewKey = dynamic_cast<CMapKeyFrame*>( pClone );
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Assert( pNewKey != NULL );
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if ( !pNewKey )
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return;
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CMapEntity *pEntity = dynamic_cast<CMapEntity*>( m_pParent );
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CMapEntity *pNewEntity = dynamic_cast<CMapEntity*>( pClone->GetParent() );
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// insert the newly created keyframe into the sequence
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// point the clone's next at what we were pointing at
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const char *nextKey = pEntity->GetKeyValue( "NextKey" );
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if ( nextKey )
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{
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pNewEntity->SetKeyValue( "NextKey", nextKey );
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}
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// create a new targetname for the clone
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char newName[128];
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const char *oldName = pEntity->GetKeyValue( "targetname" );
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if ( !oldName || oldName[0] == 0 )
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oldName = "keyframe";
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pWorld->GenerateNewTargetname( oldName, newName, sizeof( newName ), true, NULL );
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pNewEntity->SetKeyValue( "targetname", newName );
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// point the current keyframe at the clone
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pEntity->SetKeyValue( "NextKey", newName );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Called just after this object has been removed from the world so
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// that it can unlink itself from other objects in the world.
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// Input : pWorld - The world that we were just removed from.
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// bNotifyChildren - Whether we should forward notification to our children.
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//-----------------------------------------------------------------------------
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void CMapKeyFrame::OnRemoveFromWorld(CMapWorld *pWorld, bool bNotifyChildren)
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{
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CMapClass::OnRemoveFromWorld(pWorld, bNotifyChildren);
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//
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// Detach ourselves from the next keyframe in the path.
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//
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m_pNextKeyFrame = (CMapKeyFrame *)UpdateDependency(m_pNextKeyFrame, NULL);
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : *outQuat -
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//-----------------------------------------------------------------------------
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void CMapKeyFrame::GetQuatAngles( Quaternion &outQuat )
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{
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outQuat = m_qAngles;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Recalulates timings based on the new position
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// Input : *pfOrigin -
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//-----------------------------------------------------------------------------
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void CMapKeyFrame::SetOrigin( Vector& pfOrigin )
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{
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CMapClass::SetOrigin(pfOrigin);
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m_bRebuildPath = true;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Renders the connecting lines between the keyframes
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// Input : pRender -
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//-----------------------------------------------------------------------------
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void CMapKeyFrame::Render3D( CRender3D *pRender )
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{
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if ( m_bRebuildPath )
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{
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if (GetAnimator() != NULL)
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{
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GetAnimator()->RebuildPath();
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}
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}
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// only draw if we have a valid connection
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if ( m_pNextKeyFrame && m_flSpeed > 0 )
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{
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// only draw if we haven't already been drawn this frame
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if ( GetRenderFrame() != pRender->GetRenderFrame() )
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{
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pRender->PushRenderMode( RENDER_MODE_WIREFRAME );
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SetRenderFrame( pRender->GetRenderFrame() );
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Vector o1, o2;
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GetOrigin( o1 );
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m_pNextKeyFrame->GetOrigin( o2 );
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CMeshBuilder meshBuilder;
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CMatRenderContextPtr pRenderContext( MaterialSystemInterface() );
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IMesh *pMesh = pRenderContext->GetDynamicMesh();
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// draw connecting line going from green to red
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meshBuilder.Begin( pMesh, MATERIAL_LINE_STRIP, MAX_LINE_POINTS );
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// start point
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meshBuilder.Color3f( 0, 1.0f, 0 );
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meshBuilder.Position3f( o1[0], o1[1], o1[2] );
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meshBuilder.AdvanceVertex();
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for ( int i = 0; i < MAX_LINE_POINTS; i++ )
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{
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float red = (float)(i+1) / (float)MAX_LINE_POINTS;
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meshBuilder.Color3f( red, 1.0f - red, 0 );
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meshBuilder.Position3f( m_LinePoints[i][0], m_LinePoints[i][1], m_LinePoints[i][2] );
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meshBuilder.AdvanceVertex();
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}
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meshBuilder.End();
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pMesh->Draw();
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pRender->PopRenderMode();
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}
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Returns the total time remaining in the animation sequence in seconds.
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//-----------------------------------------------------------------------------
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float CMapKeyFrame::GetRemainingTime( CMapObjectList *pVisited )
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{
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CMapObjectList Visited;
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if ( pVisited == NULL )
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{
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pVisited = &Visited;
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}
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//
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// Check for circularities.
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//
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if ( pVisited->Find( this ) != -1 )
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{
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return 0.0f;
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}
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pVisited->AddToTail( this );
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if ( m_pNextKeyFrame )
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{
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return m_flMoveTime + m_pNextKeyFrame->GetRemainingTime( pVisited );
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}
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return 0.0f;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Output : CMapKeyFrame
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//-----------------------------------------------------------------------------
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CMapKeyFrame *CMapKeyFrame::NextKeyFrame( void )
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{
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if ( !m_pNextKeyFrame )
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return this;
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return m_pNextKeyFrame;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Notifies that the entity this is attached to has had a key change
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// Input : key -
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// value -
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//-----------------------------------------------------------------------------
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void CMapKeyFrame::OnParentKeyChanged( const char* key, const char* value )
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{
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if ( !stricmp(key, "NextKey") )
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{
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m_bRebuildPath = true;
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}
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else if ( !stricmp(key, "NextTime") )
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{
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m_flMoveTime = atof( value );
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}
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else if ( !stricmp(key, "MoveSpeed") )
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{
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m_flSpeed = atof( value );
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m_bRebuildPath = true;
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}
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else if (!stricmp(key, "angles"))
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{
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sscanf(value, "%f %f %f", &m_Angles[PITCH], &m_Angles[YAW], &m_Angles[ROLL]);
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AngleQuaternion(m_Angles, m_qAngles);
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}
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if( m_pPositionInterpolator )
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{
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if( m_pPositionInterpolator->ProcessKey( key, value ) )
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m_bRebuildPath = true;
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: calculates the time the current key frame should take, given
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// the movement speed, and the distance to the next keyframe
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//-----------------------------------------------------------------------------
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void CMapKeyFrame::RecalculateTimeFromSpeed( void )
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{
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if ( m_flSpeed <= 0 )
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return;
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if ( !m_pNextKeyFrame )
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return;
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// calculate the distance to the next key
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Vector o1;
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m_pNextKeyFrame->GetOrigin( o1 );
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Vector o2 = o1 - m_Origin;
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float dist = VectorLength( o2 );
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// couldn't get time from distance, get it from rotation instead
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if ( !dist )
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{
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// speed is in degrees per second
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// find the largest rotation component and use that
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QAngle ang = m_Angles - m_pNextKeyFrame->m_Angles;
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dist = 0;
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for ( int i = 0; i < 3; i++ )
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{
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fixang( ang[i] );
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if ( ang[i] > 180 )
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ang[i] = ang[i] - 360;
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if ( abs(ang[i]) > dist )
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{
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dist = abs(ang[i]);
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}
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}
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}
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// time = distance / speed
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float newTime = dist / m_flSpeed;
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// set the new speed (99.99% of the time this is the same so don't
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// bother forcing it to rebuild the path).
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if( m_flMoveTime != newTime )
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{
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m_flMoveTime = newTime;
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// rebuild the path before we next render
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m_bRebuildPath = true;
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}
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// "NextTime" key removed until we get a real-time updating entity properties dialog
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/*
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CMapEntity *ent = dynamic_cast<CMapEntity*>( Parent );
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if ( ent )
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{
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char buf[16];
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sprintf( buf, "%.2f", newTime );
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ent->SetKeyValue( "NextTime", buf );
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ent->OnParentKeyChanged( "NextTime", buf );
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}
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*/
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}
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//-----------------------------------------------------------------------------
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// Purpose: Builds the spline points between this keyframe and the previous
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// keyframe.
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// Input : pPrev -
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//-----------------------------------------------------------------------------
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void CMapKeyFrame::BuildPathSegment( CMapKeyFrame *pPrev )
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{
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RecalculateTimeFromSpeed();
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CMapAnimator *pAnim = GetAnimator();
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Quaternion qAngles;
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for ( int i = 0; i < MAX_LINE_POINTS; i++ )
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{
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if (pAnim != NULL)
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{
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CMapAnimator::GetAnimationAtTime( this, pPrev, MoveTime() * ( float )( i + 1 ) / (float)MAX_LINE_POINTS, m_LinePoints[i], qAngles, pAnim->m_iPositionInterpolator, pAnim->m_iRotationInterpolator );
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}
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else
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{
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// FIXME: If we aren't connected to an animator yet, just draw straight lines. This code is never hit, because
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// BuildPathSegment is only called from CMapAnimator. To make matters worse, we can only reliably find
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// pPrev through an animator.
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CMapAnimator::GetAnimationAtTime( this, pPrev, MoveTime() * (float)( i + 1) / (float)MAX_LINE_POINTS, m_LinePoints[i], qAngles, 0, 0 );
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}
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}
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// HACK: we shouldn't need to do this. CalcBounds alone should work (but it doesn't because of where we
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// call RebuildPath from). Make this work more like other objects.
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if ( m_pParent )
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{
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GetParent()->CalcBounds( true );
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}
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else
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{
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CalcBounds();
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}
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m_bRebuildPath = false;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Called when an object that we depend on has changed.
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//-----------------------------------------------------------------------------
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void CMapKeyFrame::OnNotifyDependent(CMapClass *pObject, Notify_Dependent_t eNotifyType)
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{
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CMapClass::OnNotifyDependent(pObject, eNotifyType);
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if ((pObject == m_pAnimator) && (eNotifyType == Notify_Removed))
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{
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SetAnimator(NULL);
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}
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//
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// If our next keyframe was deleted, try to link to the one after it.
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//
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if ((pObject == m_pNextKeyFrame) && (eNotifyType == Notify_Removed))
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{
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CMapEntity *pNextParent = m_pNextKeyFrame->GetParentEntity();
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CMapEntity *pParent = GetParentEntity();
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if ( pNextParent && pParent )
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{
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const char *szNext = pNextParent->GetKeyValue("NextKey");
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pParent->SetKeyValue("NextKey", szNext);
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}
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}
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m_bRebuildPath = true;
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}
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//-----------------------------------------------------------------------------
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// Purpose: returns a pointer to our parent entity
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// Output : CMapEntity
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//-----------------------------------------------------------------------------
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CMapEntity *CMapKeyFrame::GetParentEntity( void )
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{
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return dynamic_cast<CMapEntity*>( m_pParent );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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bool CMapKeyFrame::IsAnyKeyInSequenceSelected( void )
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{
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if ( m_pParent && m_pParent->IsSelected() )
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{
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return true;
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}
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// search forward
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for ( CMapKeyFrame *find = m_pAnimator; find != NULL; find = find->m_pNextKeyFrame )
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{
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if ( find->m_pParent && find->m_pParent->IsSelected() )
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{
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return true;
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}
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}
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// no selected items found
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return false;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : iInterpolator -
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// Output : IPositionInterpolator
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//-----------------------------------------------------------------------------
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IPositionInterpolator* CMapKeyFrame::SetupPositionInterpolator( int iInterpolator )
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{
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if( iInterpolator != m_iPositionInterpolator )
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{
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if( m_pPositionInterpolator )
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m_pPositionInterpolator->Release();
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m_pPositionInterpolator = Motion_GetPositionInterpolator( iInterpolator );
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m_iPositionInterpolator = iInterpolator;
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// Feed keys..
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CMapEntity *pEnt = GetParentEntity();
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if( pEnt )
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{
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for ( int i=pEnt->GetFirstKeyValue(); i != pEnt->GetInvalidKeyValue(); i=pEnt->GetNextKeyValue( i ) )
|
|
{
|
|
m_pPositionInterpolator->ProcessKey(
|
|
pEnt->GetKey( i ),
|
|
pEnt->GetKeyValue( i ) );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
return m_pPositionInterpolator;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Marks that we need to relink any pointers defined by target/targetname pairs
|
|
//-----------------------------------------------------------------------------
|
|
void CMapKeyFrame::UpdateDependencies(CMapWorld *pWorld, CMapClass *pObject)
|
|
{
|
|
CMapClass::UpdateDependencies(pWorld, pObject);
|
|
m_bRebuildPath = true;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
//-----------------------------------------------------------------------------
|
|
void CMapKeyFrame::SetAnimator(CMapAnimator *pAnimator)
|
|
{
|
|
m_pAnimator = (CMapAnimator *)UpdateDependency(m_pAnimator, pAnimator);
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
//-----------------------------------------------------------------------------
|
|
void CMapKeyFrame::SetNextKeyFrame(CMapKeyFrame *pNext)
|
|
{
|
|
m_pNextKeyFrame = (CMapKeyFrame *)UpdateDependency(m_pNextKeyFrame, pNext);
|
|
}
|
|
|
|
|