/*
* $Header: /home/dmarkle/xtrkcad-fork-cvs/xtrkcad/app/bin/cmodify.c,v 1.4 2008-03-06 19:35:05 m_fischer Exp $
*
* TRACK MODIFY
*/
/* XTrkCad - Model Railroad CAD
* Copyright (C) 2005 Dave Bullis
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "track.h"
#include "cjoin.h"
#include "ccurve.h"
#include "cstraigh.h"
#include "i18n.h"
/*****************************************************************************
*
* MODIFY
*
*/
static struct {
track_p Trk;
trackParams_t params;
coOrd pos00, pos00x, pos01;
ANGLE_T angle;
curveData_t curveData;
easementData_t jointD;
DIST_T r1;
BOOL_T valid;
BOOL_T first;
} Dex;
static int log_modify;
static STATUS_T CmdModify(
wAction_t action,
coOrd pos )
/*
* Extend a track with a curve or straight.
*/
{
track_p trk, trk1;
ANGLE_T a0;
DIST_T d;
ANGLE_T a;
EPINX_T inx;
curveType_e curveType;
static BOOL_T changeTrackMode;
static BOOL_T modifyRulerMode;
STATUS_T rc;
static DIST_T trackGauge;
if ( changeTrackMode ) {
if ( action == C_MOVE )
action = C_RMOVE;
if ( action == C_UP )
action = C_RUP;
}
switch (action&0xFF) {
case C_START:
InfoMessage( _("Select track to modify") );
Dex.Trk = NULL;
tempSegs_da.cnt = 0;
/*ChangeParameter( &easementPD );*/
trackGauge = 0.0;
changeTrackMode = modifyRulerMode = FALSE;
return C_CONTINUE;
case C_DOWN:
changeTrackMode = modifyRulerMode = FALSE;
DYNARR_SET( trkSeg_t, tempSegs_da, 2 );
tempSegs(0).color = wDrawColorBlack;
tempSegs(0).width = 0;
tempSegs(1).color = wDrawColorBlack;
tempSegs(1).width = 0;
tempSegs_da.cnt = 0;
SnapPos( &pos );
Dex.Trk = OnTrack( &pos, TRUE, FALSE );
if (Dex.Trk == NULL) {
if ( ModifyRuler( C_DOWN, pos ) == C_CONTINUE )
modifyRulerMode = TRUE;
return C_CONTINUE;
}
if (!CheckTrackLayer( Dex.Trk ) ) {
Dex.Trk = NULL;
return C_CONTINUE;
}
trackGauge = (IsTrack(Dex.Trk)?GetTrkGauge(Dex.Trk):0.0);
if ( (MyGetKeyState()&WKEY_SHIFT) &&
QueryTrack( Dex.Trk, Q_CAN_MODIFYRADIUS ) &&
(inx=PickUnconnectedEndPoint(pos,Dex.Trk)) >= 0 ) {
trk = Dex.Trk;
while ( (trk1=GetTrkEndTrk(trk,1-inx)) &&
QueryTrack(trk1, Q_CANNOT_BE_ON_END) ) {
inx = GetEndPtConnectedToMe( trk1, trk );
trk = trk1;
}
if (trk1) {
UndoStart( _("Change Track"), "Change( T%d[%d] )", GetTrkIndex(Dex.Trk), Dex.params.ep );
inx = GetEndPtConnectedToMe( trk1, trk );
Dex.Trk = NULL;
DeleteTrack(trk, TRUE);
if ( !GetTrkEndTrk( trk1, inx ) ) {
Dex.Trk = trk1;
Dex.pos00 = GetTrkEndPos( Dex.Trk, inx );
changeTrackMode = TRUE;
goto CHANGE_TRACK;
}
}
ErrorMessage( MSG_CANNOT_CHANGE );
}
rc = ModifyTrack( Dex.Trk, C_DOWN, pos );
if ( rc != C_CONTINUE ) {
Dex.Trk = NULL;
rc = C_CONTINUE;
}
DrawSegs( &tempD, zero, 0.0, &tempSegs(0), tempSegs_da.cnt, trackGauge, wDrawColorBlack );
MainRedraw();
return rc;
case C_MOVE:
if ( modifyRulerMode )
return ModifyRuler( C_MOVE, pos );
if (Dex.Trk == NULL)
return C_CONTINUE;
DrawSegs( &tempD, zero, 0.0, &tempSegs(0), tempSegs_da.cnt, trackGauge, wDrawColorBlack );
tempSegs_da.cnt = 0;
SnapPos( &pos );
rc = ModifyTrack( Dex.Trk, C_MOVE, pos );
if ( rc != C_CONTINUE ) {
rc = C_CONTINUE;
Dex.Trk = NULL;
}
DrawSegs( &tempD, zero, 0.0, &tempSegs(0), tempSegs_da.cnt, trackGauge, wDrawColorBlack );
MainRedraw();
return rc;
case C_UP:
if (Dex.Trk == NULL)
return C_CONTINUE;
if ( modifyRulerMode )
return ModifyRuler( C_MOVE, pos );
DrawSegs( &tempD, zero, 0.0, &tempSegs(0), tempSegs_da.cnt, trackGauge, wDrawColorBlack );
tempSegs_da.cnt = 0;
SnapPos( &pos );
UndoStart( _("Modify Track"), "Modify( T%d[%d] )", GetTrkIndex(Dex.Trk), Dex.params.ep );
UndoModify( Dex.Trk );
rc = ModifyTrack( Dex.Trk, C_UP, pos );
UndoEnd();
//changeTrackMode = FALSE;
Dex.Trk = NULL;
MainRedraw();
return rc;
case C_RDOWN:
changeTrackMode = TRUE;
modifyRulerMode = FALSE;
Dex.Trk = OnTrack( &pos, TRUE, TRUE );
if (Dex.Trk) {
if (!CheckTrackLayer( Dex.Trk ) ) {
Dex.Trk = NULL;
return C_CONTINUE;
}
trackGauge = GetTrkGauge( Dex.Trk );
Dex.pos00 = pos;
CHANGE_TRACK:
if (GetTrackParams( PARAMS_EXTEND, Dex.Trk, Dex.pos00, &Dex.params)) {
if (Dex.params.ep == -1) {
Dex.Trk = NULL;
return C_CONTINUE;
break;
}
if (Dex.params.ep == 0) {
Dex.params.arcR = -Dex.params.arcR;
}
Dex.pos00 = GetTrkEndPos(Dex.Trk,Dex.params.ep);
Dex.angle = GetTrkEndAngle( Dex.Trk,Dex.params.ep);
Translate( &Dex.pos00x, Dex.pos00, Dex.angle, 10.0 );
LOG( log_modify, 1, ("extend endPt[%d] = [%0.3f %0.3f] A%0.3f\n",
Dex.params.ep, Dex.pos00.x, Dex.pos00.y, Dex.angle ) )
InfoMessage( _("Drag to create new track segment") );
} else {
return C_ERROR;
}
}
Dex.first = TRUE;
MainRedraw();
#ifdef LATER
return C_CONTINUE;
#endif
case C_RMOVE:
DrawSegs( &tempD, zero, 0.0, &tempSegs(0), tempSegs_da.cnt, trackGauge, wDrawColorBlack );
tempSegs_da.cnt = 0;
Dex.valid = FALSE;
if (Dex.Trk == NULL) return C_CONTINUE;
SnapPos( &pos );
if ( Dex.first && FindDistance( pos, Dex.pos00 ) <= minLength )
return C_CONTINUE;
Dex.first = FALSE;
Dex.pos01 = Dex.pos00;
PlotCurve( crvCmdFromEP1, Dex.pos00, Dex.pos00x, pos, &Dex.curveData, TRUE );
curveType = Dex.curveData.type;
if ( curveType == curveTypeStraight ) {
Dex.r1 = 0.0;
if (Dex.params.type == curveTypeCurve) {
if (ComputeJoint( Dex.params.arcR, Dex.r1, &Dex.jointD ) == E_ERROR)
return C_CONTINUE;
d = Dex.params.len - Dex.jointD.d0;
if (d <= minLength) {
ErrorMessage( MSG_TRK_TOO_SHORT, "First ", PutDim(fabs(minLength-d)) );
return C_CONTINUE;
}
a0 = Dex.angle + (Dex.jointD.negate?-90.0:+90.0);
Translate( &Dex.pos01, Dex.pos00, a0, Dex.jointD.x );
Translate( &Dex.curveData.pos1, Dex.curveData.pos1,
a0, Dex.jointD.x );
LOG( log_modify, 2, ("A=%0.3f X=%0.3f\n", a0, Dex.jointD.x ) )
} else {
Dex.jointD.d1 = 0.0;
}
tempSegs(0).type = SEG_STRTRK;
tempSegs(0).width = 0;
tempSegs(0).u.l.pos[0] = Dex.pos01;
tempSegs(0).u.l.pos[1] = Dex.curveData.pos1;
d = FindDistance( Dex.pos01, Dex.curveData.pos1 );
d -= Dex.jointD.d1;
if (d <= minLength) {
ErrorMessage( MSG_TRK_TOO_SHORT, "Extending ", PutDim(fabs(minLength-d)) );
return C_CONTINUE;
}
tempSegs_da.cnt = 1;
Dex.valid = TRUE;
if (action != C_RDOWN)
InfoMessage( _("Straight Track: Length=%s Angle=%0.3f"),
FormatDistance( FindDistance( Dex.curveData.pos1, Dex.pos01 ) ),
PutAngle( FindAngle( Dex.pos01, Dex.curveData.pos1 ) ) );
} else if ( curveType == curveTypeNone ) {
if (action != C_RDOWN)
InfoMessage( _("Back") );
return C_CONTINUE;
} else if ( curveType == curveTypeCurve ) {
Dex.r1 = Dex.curveData.curveRadius;
if ( easeR > 0.0 && Dex.r1 < easeR ) {
ErrorMessage( MSG_RADIUS_LSS_EASE_MIN,
FormatDistance( Dex.r1 ), FormatDistance( easeR ) );
return C_CONTINUE;
}
if ( Dex.r1*2.0*M_PI*Dex.curveData.a1/360.0 > mapD.size.x+mapD.size.y ) {
ErrorMessage( MSG_CURVE_TOO_LARGE );
return C_CONTINUE;
}
if ( NormalizeAngle( FindAngle( Dex.pos00, pos ) - Dex.angle ) > 180.0 )
Dex.r1 = -Dex.r1;
if ( QueryTrack( Dex.Trk, Q_IGNORE_EASEMENT_ON_EXTEND ) ) {
/* Ignore easements when extending turnouts */
Dex.jointD.x =
Dex.jointD.r0 = Dex.jointD.r1 =
Dex.jointD.l0 = Dex.jointD.l1 =
Dex.jointD.d0 = Dex.jointD.d1 = 0.0;
Dex.jointD.flip = Dex.jointD.negate = Dex.jointD.Scurve = FALSE;
} else {
if (ComputeJoint( Dex.params.arcR, Dex.r1, &Dex.jointD ) == E_ERROR)
return C_CONTINUE;
d = Dex.params.len - Dex.jointD.d0;
if (d <= minLength) {
ErrorMessage( MSG_TRK_TOO_SHORT, "First ", PutDim(fabs(minLength-d)) );
return C_CONTINUE;
}
}
d = Dex.curveData.curveRadius * Dex.curveData.a1 * 2.0*M_PI/360.0;
d -= Dex.jointD.d1;
if (d <= minLength) {
ErrorMessage( MSG_TRK_TOO_SHORT, "Extending ", PutDim(fabs(minLength-d)) );
return C_CONTINUE;
}
a0 = Dex.angle + (Dex.jointD.negate?-90.0:+90.0);
Translate( &Dex.pos01, Dex.pos00, a0, Dex.jointD.x );
Translate( &Dex.curveData.curvePos, Dex.curveData.curvePos,
a0, Dex.jointD.x );
LOG( log_modify, 2, ("A=%0.3f X=%0.3f\n", a0, Dex.jointD.x ) )
tempSegs(0).type = SEG_CRVTRK;
tempSegs(0).width = 0;
tempSegs(0).u.c.center = Dex.curveData.curvePos;
tempSegs(0).u.c.radius = Dex.curveData.curveRadius,
tempSegs(0).u.c.a0 = Dex.curveData.a0;
tempSegs(0).u.c.a1 = Dex.curveData.a1;
tempSegs_da.cnt = 1;
d = D2R(Dex.curveData.a1);
if (d < 0.0)
d = 2*M_PI + d;
a = NormalizeAngle( Dex.angle - FindAngle( Dex.pos00, Dex.curveData.curvePos ) );
if ( a < 180.0 )
a = NormalizeAngle( Dex.curveData.a0-90 );
else
a = NormalizeAngle( Dex.curveData.a0+Dex.curveData.a1+90.0 );
Dex.valid = TRUE;
if (action != C_RDOWN)
InfoMessage( _("Curve Track: Radius=%s Length=%s Angle=%0.3f"),
FormatDistance( Dex.curveData.curveRadius ),
FormatDistance( Dex.curveData.curveRadius * d),
Dex.curveData.a1 );
}
DrawSegs( &tempD, zero, 0.0, &tempSegs(0), tempSegs_da.cnt, trackGauge, wDrawColorBlack );
MainRedraw();
return C_CONTINUE;
case C_RUP:
changeTrackMode = FALSE;
DrawSegs( &tempD, zero, 0.0, &tempSegs(0), tempSegs_da.cnt, trackGauge, wDrawColorBlack );
tempSegs_da.cnt = 0;
if (Dex.Trk == NULL) return C_CONTINUE;
if (!Dex.valid)
return C_CONTINUE;
UndoStart( _("Extend Track"), "Extend( T%d[%d] )", GetTrkIndex(Dex.Trk), Dex.params.ep );
trk = NULL;
curveType = Dex.curveData.type;
if ( curveType == curveTypeStraight ) {
if ( Dex.params.type == curveTypeStraight && Dex.params.len > 0 ) {
//UndrawNewTrack( Dex.Trk );
UndoModify( Dex.Trk );
AdjustStraightEndPt( Dex.Trk, Dex.params.ep, Dex.curveData.pos1 );
UndoEnd();
DrawNewTrack(Dex.Trk );
MainRedraw();
return C_TERMINATE;
}
trk = NewStraightTrack( Dex.pos01, Dex.curveData.pos1 );
inx = 0;
} else if ( curveType == curveTypeCurve ) {
LOG( log_modify, 1, ("A0 = %0.3f, A1 = %0.3f\n",
Dex.curveData.a0, Dex.curveData.a1 ) )
trk = NewCurvedTrack( Dex.curveData.curvePos, Dex.curveData.curveRadius,
Dex.curveData.a0, Dex.curveData.a1, 0 );
inx = PickUnconnectedEndPoint( Dex.pos01, trk );
if (inx == -1)
return C_ERROR;
} else {
return C_ERROR;
}
//UndrawNewTrack( Dex.Trk );
CopyAttributes( Dex.Trk, trk );
JoinTracks( Dex.Trk, Dex.params.ep, Dex.pos00, trk, inx, Dex.pos01, &Dex.jointD );
UndoEnd();
DrawNewTrack( trk );
DrawNewTrack( Dex.Trk );
Dex.Trk = NULL;
MainRedraw();
return C_TERMINATE;
case C_REDRAW:
if ( (!changeTrackMode) && Dex.Trk && !QueryTrack( Dex.Trk, Q_MODIFY_REDRAW_DONT_UNDRAW_TRACK ) )
UndrawNewTrack( Dex.Trk );
DrawSegs( &tempD, zero, 0.0, &tempSegs(0), tempSegs_da.cnt, trackGauge, wDrawColorBlack );
return C_CONTINUE;
case C_TEXT:
if ( !Dex.Trk )
return C_CONTINUE;
return ModifyTrack( Dex.Trk, action, pos );
default:
return C_CONTINUE;
}
}
/*****************************************************************************
*
* INITIALIZATION
*
*/
#include "bitmaps/extend.xpm"
void InitCmdModify( wMenu_p menu )
{
modifyCmdInx = AddMenuButton( menu, CmdModify, "cmdModify", _("Modify"), wIconCreatePixMap(extend_xpm), LEVEL0_50, IC_STICKY|IC_POPUP, ACCL_MODIFY, NULL );
log_modify = LogFindIndex( "modify" );
}