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romkazvo
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Editor/Objects/LineGizmo.cpp
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244
Editor/Objects/LineGizmo.cpp
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////////////////////////////////////////////////////////////////////////////
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//
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// Crytek Engine Source File.
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// Copyright (C), Crytek Studios, 2001-2004.
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// -------------------------------------------------------------------------
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// File name: LineGizmo.cpp
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// Version: v1.00
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// Created: 6/11/2003 by Timur.
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// Compilers: Visual Studio.NET 2003
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// Description:
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// -------------------------------------------------------------------------
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// History:
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//
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////////////////////////////////////////////////////////////////////////////
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#include "StdAfx.h"
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#include "LineGizmo.h"
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#include "DisplayContext.h"
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#include "..\Viewport.h"
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#include "..\DisplaySettings.h"
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#include "ObjectManager.h"
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#include "GizmoManager.h"
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#include "Settings.h"
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//////////////////////////////////////////////////////////////////////////
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CLineGizmo::CLineGizmo()
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{
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m_color[0] = CFColor(0,1,1,1);
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m_color[1] = CFColor(0,1,1,1);
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}
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//////////////////////////////////////////////////////////////////////////
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CLineGizmo::~CLineGizmo()
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{
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if (m_object[0])
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m_object[0]->RemoveEventListener( functor(*this,&CLineGizmo::OnObjectEvent) );
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if (m_object[1])
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m_object[1]->RemoveEventListener( functor(*this,&CLineGizmo::OnObjectEvent) );
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m_object[0] = 0;
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m_object[1] = 0;
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}
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//////////////////////////////////////////////////////////////////////////
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void CLineGizmo::SetObjects( CBaseObject *pObject1,CBaseObject *pObject2 )
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{
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assert( pObject1 );
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assert( pObject2 );
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m_object[0] = pObject1;
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m_object[1] = pObject2;
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m_object[0]->AddEventListener( functor(*this,&CLineGizmo::OnObjectEvent) );
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m_object[1]->AddEventListener( functor(*this,&CLineGizmo::OnObjectEvent) );
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CalcBounds();
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}
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//////////////////////////////////////////////////////////////////////////
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void CLineGizmo::OnObjectEvent( CBaseObject *object,int event )
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{
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if (event == CBaseObject::ON_TRANSFORM)
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{
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// One of objects transformed, recalc gizmo bounds.
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CalcBounds();
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return;
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}
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if (event == CBaseObject::ON_DELETE)
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{
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// This gizmo must be deleted as well if one of the objects is deleted.
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GetGizmoManager()->RemoveGizmo(this);
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return;
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}
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if (event == CBaseObject::ON_VISIBILITY)
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{
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// Check visibility of gizmo.
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bool bVisible = m_object[0]->CheckFlags(OBJFLAG_VISIBLE) && m_object[1]->CheckFlags(OBJFLAG_VISIBLE);
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if (bVisible)
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SetFlags( GetFlags() & (~EGIZMO_HIDDEN));
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else
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SetFlags( GetFlags() | EGIZMO_HIDDEN );
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return;
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}
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}
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//////////////////////////////////////////////////////////////////////////
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void CLineGizmo::Display( DisplayContext &dc )
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{
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if (dc.flags & DISPLAY_LINKS)
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{
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if (m_object[0]->CheckFlags(OBJFLAG_PREFAB) && m_object[1]->CheckFlags(OBJFLAG_PREFAB))
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return;
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// Draw line between objects.
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dc.DrawLine( m_point[0],m_point[1],m_color[0],m_color[1] );
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if (!(dc.flags & DISPLAY_HIDENAMES))
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{
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Vec3 pos = 0.5f*(m_point[0] + m_point[1]);
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//dc.renderer->DrawLabelEx( p3+Vec3(0,0,0.3f),1.2f,col,true,true,m_name );
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float camDist = GetDistance(dc.camera->GetPos(), pos );
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float maxDist = dc.settings->GetLabelsDistance();
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if (camDist < dc.settings->GetLabelsDistance())
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{
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float range = maxDist / 2.0f;
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float col[4] = { m_color[0].r,m_color[0].g,m_color[0].b,m_color[0].a };
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if (camDist > range)
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{
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col[3] = col[3] * (1.0f - (camDist - range)/range);
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}
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dc.SetColor( col[0],col[1],col[2],col[3] );
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dc.DrawTextLabel( pos+Vec3(0,0,0.2f),1.2f,m_name );
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}
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}
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}
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}
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//////////////////////////////////////////////////////////////////////////
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void CLineGizmo::CalcBounds()
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{
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m_bbox.Reset();
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BBox box;
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m_object[0]->GetBoundBox( box );
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m_point[0] = 0.5f*Vec3(box.max+box.min);
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m_object[1]->GetBoundBox( box );
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m_point[1] = 0.5f*Vec3(box.max+box.min);
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m_bbox.Add( m_point[0] );
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m_bbox.Add( m_point[1] );
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}
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//////////////////////////////////////////////////////////////////////////
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void CLineGizmo::GetWorldBounds( BBox &bbox )
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{
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bbox = m_bbox;
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}
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//////////////////////////////////////////////////////////////////////////
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void CLineGizmo::SetColor( const Vec3 &color1,const Vec3 &color2,float alpha1,float alpha2 )
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{
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m_color[0] = CFColor(color1.x,color1.y,color1.z,alpha1);
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m_color[1] = CFColor(color2.x,color2.y,color2.z,alpha2);
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}
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//////////////////////////////////////////////////////////////////////////
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void CLineGizmo::SetName( const char *sName )
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{
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m_name = sName;
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}
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//////////////////////////////////////////////////////////////////////////
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bool CLineGizmo::HitTest( HitContext &hc )
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{
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return 0;
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/*
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if (hc.distanceTollerance != 0)
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return 0;
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Vec3 org = m_object->GetWorldPos();
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float fScreenScale = hc.view->GetScreenScaleFactor(org);
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float size = gSettings.gizmo.axisGizmoSize * fScreenScale;
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Vec3 x(size,0,0);
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Vec3 y(0,size,0);
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Vec3 z(0,0,size);
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float hitDist = 0.01f * fScreenScale;
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//////////////////////////////////////////////////////////////////////////
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// Calculate ray in local space of axis.
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//////////////////////////////////////////////////////////////////////////
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Matrix44 tm;
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RefCoordSys refCoordSys = GetIEditor()->GetReferenceCoordSys();
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if (refCoordSys == COORDS_LOCAL)
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{
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tm = m_object->GetWorldTM();
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tm.NoScale();
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}
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else
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{
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tm.SetIdentity();
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tm.SetTranslationOLD( m_object->GetWorldPos() );
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}
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tm.Invert44();
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Vec3 raySrc = tm.TransformPointOLD( hc.raySrc );
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//CHANGED_BY_IVO
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//Vec3 rayDir = tm.TransformVector( hc.rayDir );
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Vec3 rayDir = GetTransposed44(tm) * ( hc.rayDir );
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//////////////////////////////////////////////////////////////////////////
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Vec3 pnt;
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BBox box;
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box.min = - Vec3(hitDist*2,hitDist*2,hitDist*2);
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box.max = Vec3(size+hitDist*2,size+hitDist*2,size+hitDist*2);
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if (!box.IsIntersectRay( raySrc,rayDir,pnt ))
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{
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m_highlightAxis = 0;
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return false;
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}
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float axisdist[10];
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Vec3 np[10];
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Vec3 rayTrg = raySrc + rayDir*10000.0f;
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size *= 0.3f;
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Vec3 p1(size,size,0);
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Vec3 p2(size,0,size);
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Vec3 p3(0,size,size);
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axisdist[AXIS_X] = RayToLineDistance( raySrc,rayTrg,Vec3(0,0,0),x,np[AXIS_X] );
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axisdist[AXIS_Y] = RayToLineDistance( raySrc,rayTrg,Vec3(0,0,0),y,np[AXIS_Y] );
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axisdist[AXIS_Z] = RayToLineDistance( raySrc,rayTrg,Vec3(0,0,0),z,np[AXIS_Z] );
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axisdist[AXIS_XY] = RayToLineDistance( raySrc,rayTrg,p1,p1-x*0.3f,np[AXIS_XY] );
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axisdist[AXIS_XZ] = RayToLineDistance( raySrc,rayTrg,p2,p2-x*0.3f,np[AXIS_XZ] );
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axisdist[AXIS_YZ] = RayToLineDistance( raySrc,rayTrg,p3,p3-y*0.3f,np[AXIS_YZ] );
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float mindist = hitDist;
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int axis = 0;
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for (int i = AXIS_X; i <= AXIS_XZ; i++)
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{
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if (axisdist[i] < mindist)
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{
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mindist = axisdist[i];
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axis = i;
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}
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}
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if (axis != 0)
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{
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hc.axis = axis;
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hc.object = m_object;
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hc.dist = GetDistance(raySrc,np[axis]);
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}
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m_highlightAxis = axis;
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return axis != 0;
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*/
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}
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