mirror of
https://github.com/UberGames/GtkRadiant.git
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b1bfb19ecd
git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant/branches/ZeroRadiant.ab@186 8a3a26a2-13c4-0310-b231-cf6edde360e5
332 lines
11 KiB
C++
332 lines
11 KiB
C++
/*
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Copyright (C) 1999-2007 id Software, Inc. and contributors.
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For a list of contributors, see the accompanying CONTRIBUTORS file.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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//-----------------------------------------------------------------------------
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//
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// DESCRIPTION:
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// a class to handle control points in a 2D view
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// TODO: this one can be placed under an interface, and provided to the editor as service
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//
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#include "StdAfx.h"
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void CControlPointsManagerBFace::Init (int iPts, CtrlPts_t *Pts, C2DView *p2DView, int TexSize[2],
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_QERFaceData* pFaceData, _QERQglTable *pQglTable)
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{
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ManagerState = Idle;
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m_NumPoints = iPts;
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m_pPts = Pts;
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// store the initial config
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memcpy( &m_RefPts, Pts, sizeof( CtrlPts_t ) );
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// init TM
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memset( m_TM, 0, sizeof( float[2][3] ) );
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m_TM[0][0] = 1.0f; m_TM[1][1] = 1.0f;
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m_bGotAnchor = false;
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m_TransOffset[0] = 0.0f; m_TransOffset[1] = 0.0f;
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m_TexSize[0] = TexSize[0];
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m_TexSize[1] = TexSize[1];
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m_pFaceData = pFaceData;
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CControlPointsManager::Init( p2DView, pQglTable );
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}
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bool CControlPointsManagerBFace::OnLButtonDown (int xPos, int yPos)
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{
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if (ManagerState == Idle)
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{
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int i;
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// scan the point list to see if we selected something
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for ( i=0; i<m_NumPoints; i++ )
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if ( m_p2DView->DoesSelect( xPos, yPos, m_pPts->data[i] ) )
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{
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m_iDragPoint = i;
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ManagerState = Drag;
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if (m_bGotAnchor && i == m_iAnchorPoint)
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{
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// this means we selected the Anchor, so we'll translate
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m_bGotAnchor = false;
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}
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// perhaps we won't use translation, but we can compute it anyway
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ComputeTransOffset(i);
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if (m_bGotAnchor)
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{
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// we have an Anchor and selected another point
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m_Anchor[0] = m_pPts->data[m_iAnchorPoint][0];
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m_Anchor[1] = m_pPts->data[m_iAnchorPoint][1];
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}
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}
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// send a repaint message
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g_pToolWnd->Redraw ();
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return true;
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}
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return false;
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}
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bool CControlPointsManagerBFace::OnMouseMove (int xPos, int yPos)
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{
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if (ManagerState == Drag)
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{
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if (m_bGotAnchor)
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{
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// there's an anchor, we are rotating the shape
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// we need to work in XY space for orthonormality
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float Pt[2];
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vec3_t V1,V2;
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vec3_t cross;
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float c,s;
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// used in XY space
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float XYTM[2][3];
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float XYRefAnchor[2];
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float XYAnchor[2];
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m_p2DView->GridForWindow( Pt, xPos, yPos );
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V2[0] = Pt[0] - m_Anchor[0];
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V2[1] = Pt[1] - m_Anchor[1];
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V2[2] = 0.0f;
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V1[0] = m_RefPts.data[m_iDragPoint][0] - m_RefPts.data[m_iAnchorPoint][0];
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V1[1] = m_RefPts.data[m_iDragPoint][1] - m_RefPts.data[m_iAnchorPoint][1];
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V1[2] = 0.0f;
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// compute transformation from V1 to V2
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// we need to work in XY orthonormal space
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XYSpaceForSTSpace( V1, V1 );
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XYSpaceForSTSpace( V2, V2 );
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VectorNormalize( V2, V2 );
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VectorNormalize( V1, V1 );
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c = DotProduct( V1, V2 );
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CrossProduct( V1, V2, cross );
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s = VectorLength( cross );
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// we compute the transformation matrix in XY space
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// reference position of the Anchor in XY space
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XYSpaceForSTSpace( XYRefAnchor, m_RefPts.data[m_iAnchorPoint] );
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// current position of the Anchor in XY space
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XYSpaceForSTSpace( XYAnchor, m_Anchor );
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// compute transformation matrix
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XYTM[0][0] = c; XYTM[1][1] = c;
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if (cross[2]>0)
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s *= -1.0f;
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XYTM[0][1] = s; XYTM[1][0] = -s;
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XYTM[0][2] = -c*XYRefAnchor[0] - s*XYRefAnchor[1] + XYAnchor[0];
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XYTM[1][2] = s*XYRefAnchor[0] - c*XYRefAnchor[1] + XYAnchor[1];
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// express this transformation matrix in ST space
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m_TM[0][0] = XYTM[0][0];
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m_TM[1][0] = XYTM[1][0] * (float)m_TexSize[0] / (float)m_TexSize[1];
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m_TM[0][1] = XYTM[0][1] * (float)m_TexSize[1] / (float)m_TexSize[0];
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m_TM[1][1] = XYTM[1][1];
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m_TM[0][2] = XYTM[0][2] / (float)m_TexSize[0];
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m_TM[1][2] = XYTM[1][2] / (float)m_TexSize[1];
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// update all points
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UpdateCtrlPts();
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}
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else
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{
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// no Anchor point is defined, we translate all points
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m_p2DView->GridForWindow( m_pPts->data[m_iDragPoint], xPos, yPos );
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m_TM[0][2] = m_pPts->data[m_iDragPoint][0] + m_TransOffset[0];
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m_TM[1][2] = m_pPts->data[m_iDragPoint][1] + m_TransOffset[1];
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// update all points
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UpdateCtrlPts();
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}
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// send a repaint message
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g_pToolWnd->Redraw ();
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return true;
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}
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return false;
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}
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bool CControlPointsManagerBFace::OnLButtonUp (int x, int y)
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{
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if (ManagerState == Drag)
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{
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// this button is gonna become our Anchor
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m_bGotAnchor = true;
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m_iAnchorPoint = m_iDragPoint;
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// let's get out of Drag mode
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ManagerState = Idle;
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// send a repaint message
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g_pToolWnd->Redraw ();
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return true;
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}
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return false;
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}
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void CControlPointsManagerBFace::Render()
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{
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int i;
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m_pQglTable->m_pfn_qglColor3f(0, 1, 0);
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m_pQglTable->m_pfn_qglPointSize(6);
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m_pQglTable->m_pfn_qglBegin( GL_POINTS );
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for ( i=0; i<m_NumPoints; i++ )
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{
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if ( ManagerState == Drag && i == m_iDragPoint )
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m_pQglTable->m_pfn_qglColor3f(1, 0, 0);
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else if ( m_bGotAnchor && i == m_iAnchorPoint )
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m_pQglTable->m_pfn_qglColor3f(0, 0, 1);
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m_pQglTable->m_pfn_qglVertex2f( m_pPts->data[i][0], m_pPts->data[i][1] );
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m_pQglTable->m_pfn_qglColor3f(0, 1, 0);
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}
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m_pQglTable->m_pfn_qglEnd();
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}
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void CControlPointsManagerBFace::UpdateCtrlPts()
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{
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int i;
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// update all points
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for ( i=0; i<m_NumPoints; i++ )
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{
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m_pPts->data[i][0] = m_RefPts.data[i][0]*m_TM[0][0]+m_RefPts.data[i][1]*m_TM[0][1]+m_TM[0][2];
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m_pPts->data[i][1] = m_RefPts.data[i][0]*m_TM[1][0]+m_RefPts.data[i][1]*m_TM[1][1]+m_TM[1][2];
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}
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if (g_bPrefsUpdateCameraView)
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{
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Commit();
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// tell Radiant to update
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// NOTE: little speed optimisation, disable window updates, and only update camera view
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g_FuncTable.m_pfnSetScreenUpdate( false );
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g_SelectedFaceTable.m_pfnSetFaceInfo( 0, m_pFaceData );
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g_FuncTable.m_pfnSetScreenUpdate( true );
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g_FuncTable.m_pfnSysUpdateWindows( W_CAMERA );
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}
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}
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//++timo FIXME: we are using a global for the reference data, use a m_pCancelFaceData instead
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void CControlPointsManagerBFace::Commit( )
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{
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brushprimit_texdef_t aux;
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aux.coords[0][0] = m_TM[0][0]*g_CancelFaceData.brushprimit_texdef.coords[0][0] + m_TM[0][1]*g_CancelFaceData.brushprimit_texdef.coords[1][0];
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aux.coords[0][1] = m_TM[0][0]*g_CancelFaceData.brushprimit_texdef.coords[0][1] + m_TM[0][1]*g_CancelFaceData.brushprimit_texdef.coords[1][1];
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aux.coords[0][2] = m_TM[0][0]*g_CancelFaceData.brushprimit_texdef.coords[0][2] + m_TM[0][1]*g_CancelFaceData.brushprimit_texdef.coords[1][2] + m_TM[0][2];
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aux.coords[1][0] = m_TM[1][0]*g_CancelFaceData.brushprimit_texdef.coords[0][0] + m_TM[1][1]*g_CancelFaceData.brushprimit_texdef.coords[1][0];
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aux.coords[1][1] = m_TM[1][0]*g_CancelFaceData.brushprimit_texdef.coords[0][1] + m_TM[1][1]*g_CancelFaceData.brushprimit_texdef.coords[1][1];
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aux.coords[1][2] = m_TM[1][0]*g_CancelFaceData.brushprimit_texdef.coords[0][2] + m_TM[1][1]*g_CancelFaceData.brushprimit_texdef.coords[1][2] + m_TM[1][2];
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memcpy( &m_pFaceData->brushprimit_texdef, &aux, sizeof(brushprimit_texdef_t) );
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}
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void CControlPointsManagerBFace::ComputeTransOffset(int i)
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{
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// compute the translation offset used to counteract rotation
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m_TransOffset[0] = -m_TM[0][0]*m_RefPts.data[i][0] - m_TM[0][1]*m_RefPts.data[i][1];
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m_TransOffset[1] = -m_TM[1][0]*m_RefPts.data[i][0] - m_TM[1][1]*m_RefPts.data[i][1];
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}
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void CControlPointsManagerBFace::XYSpaceForSTSpace( float xy[2], const float st[2] )
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{
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xy[0] = st[0] * (float)m_TexSize[0];
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xy[1] = st[1] * (float)m_TexSize[1];
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}
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/*
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======================================================================
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patch manager
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======================================================================
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*/
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void CControlPointsManagerPatch::Init( patchMesh_t* pWorkPatch, C2DView *p2DView, _QERQglTable *pQglTable, patchMesh_t* pPatch )
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{
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CControlPointsManager::Init( p2DView, pQglTable );
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m_pPatch = pPatch;
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m_pWorkPatch = pWorkPatch;
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}
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bool CControlPointsManagerPatch::OnLButtonDown (int xPos, int yPos)
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{
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if (ManagerState == Idle)
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{
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int i,j;
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// scan the point list to see if we selected something
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for ( i=0; i<m_pPatch->width; i++ )
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for ( j=0; j<m_pPatch->height; j++ )
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if ( m_p2DView->DoesSelect( xPos, yPos, m_pWorkPatch->ctrl[i][j].st ) )
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{
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m_iDragPoint[0] = i;
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m_iDragPoint[1] = j;
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ManagerState = Drag;
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}
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// send a repaint message
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g_pToolWnd->Redraw ();
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return true;
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}
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return false;
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}
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bool CControlPointsManagerPatch::OnMouseMove (int xPos, int yPos)
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{
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if (ManagerState == Drag)
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{
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m_p2DView->GridForWindow( m_pWorkPatch->ctrl[ m_iDragPoint[0] ][ m_iDragPoint[1] ].st, xPos, yPos );
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if (g_bPrefsUpdateCameraView)
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{
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Commit();
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// ask to rebuild the patch display data
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m_pPatch->bDirty = true;
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// send a repaint to the camera window as well
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g_FuncTable.m_pfnSysUpdateWindows( W_CAMERA );
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}
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// send a repaint message
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g_pToolWnd->Redraw ();
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return true;
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}
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return false;
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}
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bool CControlPointsManagerPatch::OnLButtonUp (int x, int y)
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{
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if (ManagerState == Drag)
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{
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ManagerState = Idle;
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// send a repaint message
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g_pToolWnd->Redraw ();
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}
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return false;
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}
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void CControlPointsManagerPatch::Render()
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{
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int i,j;
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m_pQglTable->m_pfn_qglColor3f(0, 1, 0);
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m_pQglTable->m_pfn_qglPointSize(6);
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m_pQglTable->m_pfn_qglBegin( GL_POINTS );
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for ( i=0; i<m_pPatch->width; i++ )
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for ( j=0; j<m_pPatch->height; j++ )
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{
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if ( ManagerState == Drag && i == m_iDragPoint[0] && j == m_iDragPoint[1] )
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m_pQglTable->m_pfn_qglColor3f(1, 0, 0);
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m_pQglTable->m_pfn_qglVertex2f( m_pWorkPatch->ctrl[i][j].st[0], m_pWorkPatch->ctrl[i][j].st[1] );
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m_pQglTable->m_pfn_qglColor3f(0, 1, 0);
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}
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m_pQglTable->m_pfn_qglEnd();
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}
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void CControlPointsManagerPatch::Commit()
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{
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int i,j;
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for ( i=0; i<m_pPatch->width; i++ )
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for ( j=0; j<m_pPatch->height; j++ )
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{
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m_pPatch->ctrl[i][j].st[0] = m_pWorkPatch->ctrl[i][j].st[0];
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m_pPatch->ctrl[i][j].st[1] = m_pWorkPatch->ctrl[i][j].st[1];
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}
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}
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