/** \file cmodify.c
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "cjoin.h"
#include "ccurve.h"
#include "cbezier.h"
#include "ccornu.h"
#include "cstraigh.h"
#include "cundo.h"
#include "fileio.h"
#include "param.h"
#include "track.h"
#include "drawgeom.h"
#include "common.h"
#include "layout.h"
#include "cselect.h"
#include "common-ui.h"
#include "draw.h"
EXPORT wIndex_t modifyCmdInx;
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 wMenu_p modPopupM;
static dynArr_t anchors_da;
#define anchors(N) DYNARR_N(trkSeg_t,anchors_da,N)
static int log_modify;
static BOOL_T modifyBezierMode;
static BOOL_T modifyCornuMode;
static BOOL_T modifyDrawMode;
static BOOL_T modifyRulerMode;
static BOOL_T modifyProtractorMode;
static BOOL_T modifyExtendMode;
static void CreateEndAnchor(coOrd p, wBool_t lock)
{
DIST_T d = tempD.scale*0.15;
DYNARR_APPEND(trkSeg_t,anchors_da,1);
int i = anchors_da.cnt-1;
anchors(i).type = lock?SEG_FILCRCL:SEG_CRVLIN;
anchors(i).color = wDrawColorBlue;
anchors(i).u.c.center = p;
anchors(i).u.c.radius = d/2;
anchors(i).u.c.a0 = 0.0;
anchors(i).u.c.a1 = 360.0;
anchors(i).lineWidth = 0;
wSetCursor(mainD.d,wCursorNone);
}
static void CreateCornuAnchor(coOrd p, wBool_t lock)
{
DIST_T d = tempD.scale*0.15;
DYNARR_APPEND(trkSeg_t,anchors_da,1);
int i = anchors_da.cnt-1;
anchors(i).type = lock?SEG_FILCRCL:SEG_CRVLIN;
anchors(i).color = wDrawColorBlue;
anchors(i).u.c.center = p;
anchors(i).u.c.radius = d/2;
anchors(i).u.c.a0 = 0.0;
anchors(i).u.c.a1 = 360.0;
anchors(i).lineWidth = 0;
DYNARR_APPEND(trkSeg_t,anchors_da,1);
i = anchors_da.cnt-1;
anchors(i).type = SEG_CRVLIN;
anchors(i).color = wDrawColorBlue;
anchors(i).u.c.center = p;
anchors(i).u.c.radius = d;
anchors(i).u.c.a0 = 0.0;
anchors(i).u.c.a1 = 360.0;
anchors(i).lineWidth = 0;
wSetCursor(mainD.d,wCursorNone);
}
static void CreateRadiusAnchor(coOrd p, ANGLE_T a, BOOL_T bi)
{
DYNARR_SET(trkSeg_t,anchors_da,anchors_da.cnt+5);
DrawArrowHeads(&DYNARR_N(trkSeg_t,anchors_da,anchors_da.cnt-5),p,a,bi,
wDrawColorBlue);
}
/*
* Call cbezier.c CmdBezModify to alter Bezier Track and Lines.
* Picking a Bezier will allow control point(s) modifications until terminated with "Enter"
*/
static STATUS_T ModifyBezier(wAction_t action, coOrd pos)
{
STATUS_T rc = C_CONTINUE;
if (Dex.Trk == NULL) { return C_ERROR; } //No track picked yet!
switch (action&0xFF) {
case C_START:
case C_DOWN:
case C_MOVE:
case C_UP:
case C_OK:
case C_TEXT:
case wActionMove:
trackGauge = (IsTrack(Dex.Trk)?GetTrkGauge(Dex.Trk):0.0);
rc = CmdBezModify(Dex.Trk, action, pos, trackGauge);
break;
case C_TERMINATE:
rc = CmdBezModify(Dex.Trk, action, pos, trackGauge);
Dex.Trk = NULL;
modifyBezierMode = FALSE;
break;
case C_REDRAW:
rc = CmdBezModify(Dex.Trk, action, pos, trackGauge);
break;
}
return rc;
}
/*
* Call ccornu.c CmdCornuModify to alter Cornu Track and Lines.
* Picking a Cornu will allow end point(s) modifications until terminated with "Enter"
*/
static STATUS_T ModifyCornu(wAction_t action, coOrd pos)
{
STATUS_T rc = C_CONTINUE;
if (Dex.Trk == NULL) { return C_ERROR; } //No track picked yet!
switch (action&0xFF) {
case C_LCLICK:
case C_START:
case C_DOWN:
case C_MOVE:
case C_UP:
case C_OK:
case C_TEXT:
case wActionMove:
trackGauge = (IsTrack(Dex.Trk)?GetTrkGauge(Dex.Trk):0.0);
rc = CmdCornuModify(Dex.Trk, action, pos, trackGauge);
break;
case C_TERMINATE:
rc = CmdCornuModify(Dex.Trk, action, pos, trackGauge);
Dex.Trk = NULL;
modifyCornuMode = FALSE;
break;
case C_REDRAW:
rc = CmdCornuModify(Dex.Trk, action, pos, trackGauge);
break;
}
return rc;
}
/*
* Picking a DRAW will allow point modifications until terminated with "Enter"/"Space"
*/
static STATUS_T ModifyDraw(wAction_t action, coOrd pos)
{
STATUS_T rc = C_CONTINUE;
if (Dex.Trk == NULL) { return C_ERROR; } //No item picked yet!
switch (action&0xFF) {
case C_START:
case C_DOWN:
case C_MOVE:
case C_UP:
rc = ModifyTrack( Dex.Trk, action, pos );
break;
case wActionMove:
rc = ModifyTrack( Dex.Trk, action, pos );
break;
case C_TEXT:
//Delete or '0' - continues
if ((action>>8 !=32) && (action >>8 !=13) && (action >>8 !=9)) {
return ModifyTrack( Dex.Trk, action, pos );
}
//Enter/Space/Tab does not
if ((action>>8 !=32) && (action>>8 != 13) && (action>>8 != 9)) { return C_CONTINUE; }
if (((action>>8) == 9 && (MyGetKeyState()&WKEY_SHIFT))) { return C_TERMINATE; }
/*no break*/
case C_OK:
rc = ModifyTrack( Dex.Trk, C_OK, pos );
if (rc != C_CONTINUE) { modifyDrawMode = FALSE; }
UndoEnd();
break;
case C_CONFIRM:
rc = ModifyTrack( Dex.Trk, action, pos );
break;
case C_CANCEL:
case C_FINISH:
case C_TERMINATE:
rc = ModifyTrack( Dex.Trk, action, pos );
Dex.Trk = NULL;
modifyDrawMode = FALSE;
DYNARR_RESET( trkSeg_t, tempSegs_da );
rc = C_CONTINUE;
break;
case C_REDRAW:
rc = ModifyTrack( Dex.Trk, action, pos );
break;
case C_CMDMENU:
menuPos = pos;
rc = ModifyTrack( Dex.Trk, action, pos );
break;
case wActionExtKey:
rc = ModifyTrack( Dex.Trk, action, pos );
break;
default:
break;
}
return rc;
}
STATUS_T CmdModify(
wAction_t action,
coOrd pos )
/*
* Extend and alter a track.
* Extend a track with a curve or straight and optionally an easement.
* Alter a ruler.
* Modify a Bezier.
*/
{
track_p trk, trk1;
ANGLE_T a0;
DIST_T d;
ANGLE_T a;
EPINX_T inx;
curveType_e curveType;
static BOOL_T changeTrackMode;
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:
DYNARR_RESET(trkSeg_t,anchors_da);
InfoMessage(
_("Select a track to modify, Left-Click change length, Right-Click to add flextrack") );
Dex.Trk = NULL;
DYNARR_RESET( trkSeg_t, tempSegs_da );
/*ChangeParameter( &easementPD );*/
trackGauge = 0.0;
changeTrackMode = modifyRulerMode = FALSE;
modifyBezierMode = FALSE;
modifyCornuMode = FALSE;
modifyDrawMode = FALSE;
modifyExtendMode = FALSE;
modifyRulerMode = FALSE;
modifyProtractorMode = FALSE;
SetAllTrackSelect( FALSE );
return C_CONTINUE;
case C_DOWN:
case C_LDOUBLE:
DYNARR_RESET(trkSeg_t,anchors_da);
if (modifyProtractorMode) {
return ModifyProtractor(C_DOWN, pos);
}
if (modifyBezierMode) {
return ModifyBezier(C_DOWN, pos);
}
if (modifyCornuMode) {
return ModifyCornu(C_DOWN, pos);
}
if (modifyDrawMode) {
return ModifyDraw(C_DOWN, pos);
}
DYNARR_SET( trkSeg_t, tempSegs_da, 2 );
tempSegs(0).color = wDrawColorBlack;
tempSegs(0).lineWidth = 0;
tempSegs(1).color = wDrawColorBlack;
tempSegs(1).lineWidth = 0;
DYNARR_RESET( trkSeg_t, tempSegs_da );
Dex.Trk = OnTrack( &pos, FALSE, FALSE );
//Dex.Trk = trk;
if (Dex.Trk == NULL) {
if ( ModifyRuler( C_DOWN, pos ) == C_CONTINUE ) {
modifyRulerMode = TRUE;
} else if (ModifyProtractor( C_DOWN, pos ) == C_CONTINUE ) {
modifyProtractorMode = TRUE;
} else {
InfoMessage("Not on object, or Ruler, or Protractor");
wBeep();
}
return C_CONTINUE;
}
if (!CheckTrackLayer( Dex.Trk ) ) {
Dex.Trk = NULL;
return C_ERROR;
}
trackGauge = (IsTrack(Dex.Trk)?GetTrkGauge(Dex.Trk):0.0);
if (QueryTrack( Dex.Trk, Q_CAN_MODIFY_CONTROL_POINTS )) { //Bezier
modifyBezierMode = TRUE;
if (ModifyBezier(C_START, pos) != C_CONTINUE) { //Call Start with track
modifyBezierMode = FALSE; //Function rejected Bezier
Dex.Trk =NULL;
DYNARR_RESET( trkSeg_t, tempSegs_da );
}
return C_CONTINUE; //That's it
}
if (QueryTrack( Dex.Trk, Q_IS_CORNU )) { //Cornu
modifyCornuMode = TRUE;
if (ModifyCornu(C_START, pos) != C_CONTINUE) { //Call Start with track
modifyCornuMode = FALSE; //Function rejected Cornu
Dex.Trk =NULL;
DYNARR_RESET( trkSeg_t, tempSegs_da );
}
return C_CONTINUE; //That's it
}
if (QueryTrack( Dex.Trk, Q_IS_DRAW )) {
modifyDrawMode = TRUE;
if (ModifyDraw(C_START, pos) != C_CONTINUE) {
modifyDrawMode = FALSE;
Dex.Trk = NULL;
DYNARR_RESET( trkSeg_t, tempSegs_da );
}
return C_CONTINUE;
}
if ((action&0xFF) == C_LDOUBLE) { return C_ERROR; }
if ((MyGetKeyState()&WKEY_CTRL)) { goto extendTrack; }
if ( (MyGetKeyState()&WKEY_SHIFT) && //Free to change radius
QueryTrack( Dex.Trk, Q_CAN_MODIFYRADIUS )&&
((inx=PickUnconnectedEndPoint(pos,Dex.Trk)) >= 0 )) {
trk = Dex.Trk;
while ( (trk1=GetTrkEndTrk(trk,1-inx))
&& //Means next track to mine even if can be end...
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;
UndrawNewTrack( trk );
DeleteTrack(trk, TRUE); //Get rid of original track
if ( !GetTrkEndTrk( trk1, inx ) ) {
Dex.Trk = trk1;
Dex.pos00 = GetTrkEndPos( Dex.Trk, inx );
changeTrackMode = TRUE;
goto CHANGE_TRACK;
}
}
ErrorMessage( MSG_CANNOT_CHANGE );
}
ModifyTrack(Dex.Trk, C_START, pos); //Basically trim via Modify...
rc = ModifyTrack( Dex.Trk, C_DOWN, pos );
if ( rc != C_CONTINUE ) {
Dex.Trk = NULL;
rc = C_CONTINUE;
}
return rc;
case wActionMove:
DYNARR_RESET(trkSeg_t,anchors_da);
if (modifyCornuMode) { return ModifyCornu(wActionMove,pos); }
if (modifyDrawMode) { return ModifyDraw(wActionMove,pos); }
if (modifyBezierMode) { return ModifyBezier(wActionMove, pos); }
track_p t;
wSetCursor(mainD.d,defaultCursor);
if (((t=OnTrack(&pos,FALSE,TRUE))!= NULL) && CheckTrackLayerSilent( t )) {
EPINX_T ep = PickUnconnectedEndPointSilent(pos, t);
if (QueryTrack( t, Q_IS_CORNU )) {
CreateCornuAnchor(pos,FALSE);
} else if ( QueryTrack( t, Q_CAN_MODIFY_CONTROL_POINTS )) {
CreateRadiusAnchor(pos,NormalizeAngle(GetAngleAtPoint(t,pos,NULL,NULL)+90.0),
TRUE);
CreateEndAnchor(pos,FALSE);
} else if (QueryTrack(t,Q_CAN_ADD_ENDPOINTS)) { //Turntable
trackParams_t tp;
if (!GetTrackParams(PARAMS_CORNU, t, pos, &tp)) { return C_CONTINUE; }
ANGLE_T a = tp.angle;
Translate(&pos,tp.ttcenter,a,tp.ttradius);
CreateRadiusAnchor(pos,a,FALSE);
wSetCursor(mainD.d,wCursorNone);
} else if (QueryTrack(t,Q_CAN_EXTEND)) {
if (ep != -1) {
if (MyGetKeyState()&WKEY_CTRL) {
pos = GetTrkEndPos(t,ep);
CreateEndAnchor(pos,FALSE);
CreateRadiusAnchor(pos,GetTrkEndAngle(t,ep),FALSE);
CreateRadiusAnchor(pos,GetTrkEndAngle(t,ep)+90,TRUE);
} else {
CreateEndAnchor(pos,FALSE);
if ((MyGetKeyState()&WKEY_SHIFT) && //Shift Down
QueryTrack( t, Q_CAN_MODIFYRADIUS ) && // Straight or Curve
((inx=PickUnconnectedEndPointSilent(pos,t)) >= 0 )) { //Which has an open end
if (GetTrkEndTrk(t,1-inx)) { // Has to have a track on other end
CreateRadiusAnchor(pos,NormalizeAngle(GetAngleAtPoint(t,pos,NULL,NULL)+90.0),
TRUE);
}
}
CreateRadiusAnchor(pos,GetAngleAtPoint(t,pos,NULL,NULL),TRUE);
}
}
} else if (ep>=0) { //Turnout
pos = GetTrkEndPos(t, ep);
CreateEndAnchor(pos,TRUE);
if ( (MyGetKeyState()&WKEY_CTRL)) {
CreateRadiusAnchor(pos,NormalizeAngle(GetTrkEndAngle(t,ep)),FALSE);
CreateRadiusAnchor(pos,GetTrkEndAngle(t,ep)+90,TRUE);
CreateEndAnchor(pos,TRUE);
} else {
CreateRadiusAnchor(pos,NormalizeAngle(GetTrkEndAngle(t,ep)),FALSE);
CreateEndAnchor(pos,TRUE);
}
}
} else if (((t=OnTrack(&pos,FALSE,FALSE))!= NULL)
&& (!(GetLayerFrozen(GetTrkLayer(t)) || GetLayerModule(GetTrkLayer(t))))
&& (QueryTrack(t, Q_IS_DRAW ) && !QueryTrack(t, Q_IS_TEXT)) ) {
CreateEndAnchor(pos,FALSE);
} else {
ModifyRuler (wActionMove, pos);
}
return C_CONTINUE;
case C_MOVE:
if ( modifyRulerMode ) {
return ModifyRuler( C_MOVE, pos );
}
if ( modifyProtractorMode ) {
return ModifyProtractor( C_MOVE, pos );
}
if (Dex.Trk == NULL) {
return C_CONTINUE;
}
if ( modifyBezierMode ) {
return ModifyBezier(C_MOVE, pos);
}
if ( modifyCornuMode ) {
return ModifyCornu(C_MOVE, pos);
}
if ( modifyDrawMode) {
return ModifyDraw(C_MOVE, pos);
}
if (modifyExtendMode && (MyGetKeyState()&WKEY_CTRL)) {
goto extendTrackMove;
}
if ((MyGetKeyState() & WKEY_ALT) == 0) { SnapPos( &pos ); }
rc = ModifyTrack( Dex.Trk, C_MOVE, pos );
if ( rc != C_CONTINUE ) {
rc = C_CONTINUE;
Dex.Trk = NULL;
}
return rc;
case C_UP:
DYNARR_RESET(trkSeg_t,anchors_da);
if (Dex.Trk == NULL) {
return C_CONTINUE;
}
if ( modifyRulerMode ) {
return ModifyRuler( C_MOVE, pos );
}
if ( modifyProtractorMode) {
return ModifyProtractor( C_UP, pos);
}
if ( modifyBezierMode ) {
return ModifyBezier( C_UP, pos);
}
if (modifyCornuMode) {
return ModifyCornu(C_UP, pos);
}
if (modifyDrawMode) {
return ModifyDraw(C_UP, pos);
}
if ((MyGetKeyState()&WKEY_CTRL)) { goto extendTrackUp; }
if ((MyGetKeyState() & WKEY_ALT) == 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 );
DYNARR_RESET( trkSeg_t, tempSegs_da );
UndoEnd();
Dex.Trk = NULL;
return rc;
case C_RDOWN: //This is same as context menu....
extendTrack:
DYNARR_RESET(trkSeg_t,anchors_da);
changeTrackMode = TRUE;
modifyExtendMode = TRUE;
modifyRulerMode = FALSE;
modifyProtractorMode = FALSE;
modifyBezierMode = FALSE;
modifyCornuMode = FALSE;
modifyDrawMode = FALSE;
Dex.first = FALSE;
if (((action&0xFF) == C_RDOWN) || ((action&0xFF)== C_DOWN)) {
Dex.Trk = OnTrack( &pos, TRUE, TRUE );
if (Dex.Trk) {
if (!CheckTrackLayer( Dex.Trk ) ) {
Dex.Trk = NULL;
return C_ERROR;
}
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 add flex track") );
} else {
return C_ERROR;
}
} else {
InfoMessage ( _("No track to extend"));
return C_ERROR;
}
Dex.first = TRUE;
} else if (!Dex.Trk) {
InfoMessage ( _("No track selected"));
return C_ERROR;
}
/* no break */
case C_RMOVE:
extendTrackMove:
DYNARR_RESET(trkSeg_t,anchors_da);
DYNARR_RESET( trkSeg_t, tempSegs_da );
Dex.valid = FALSE;
if (Dex.Trk == NULL) { return C_CONTINUE; }
if ((MyGetKeyState() & WKEY_ALT) == 0) { SnapPos( &pos ); }
if ( Dex.first && FindDistance( pos, Dex.pos00 ) <= minLength ) {
return C_CONTINUE;
}
Dex.first = FALSE;
Dex.pos01 = Dex.pos00;
if (Dex.params.type ==
curveTypeCornu) { //Always Restrict Cornu drag out to match end
ANGLE_T angle2 = NormalizeAngle(FindAngle(pos, Dex.pos00)-Dex.angle);
if (angle2 > 90.0 && angle2 < 270.0) {
if (Dex.params.cornuRadius[Dex.params.ep] == 0) {
Translate( &pos, Dex.pos00, Dex.angle, FindDistance( Dex.pos00, pos ) );
} else {
ANGLE_T angle = FindAngle(Dex.params.cornuCenter[Dex.params.ep],pos)-
FindAngle(Dex.params.cornuCenter[Dex.params.ep],Dex.pos00);
pos=Dex.pos00;
Rotate(&pos,Dex.params.cornuCenter[Dex.params.ep],angle);
}
} else { pos = Dex.pos00; } //Only out from end
PlotCurve( crvCmdFromCornu, Dex.pos00, Dex.pos00x, pos, &Dex.curveData, FALSE,
0.0 );
} else {
PlotCurve( crvCmdFromEP1, Dex.pos00, Dex.pos00x, pos, &Dex.curveData, TRUE,
0.0 );
}
curveType = Dex.curveData.type;
if ( curveType == curveTypeStraight ) {
Dex.r1 = 0.0;
if (Dex.params.type == curveTypeCurve &&
!QueryTrack( Dex.Trk, Q_IGNORE_EASEMENT_ON_EXTEND ) ) {
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;
}
} else {
Dex.jointD.d1 = 0.0;
}
DYNARR_SET( trkSeg_t, tempSegs_da, 1 );
tempSegs(0).type = SEG_STRTRK;
tempSegs(0).lineWidth = 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;
}
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 ( QueryTrack( Dex.Trk, Q_IGNORE_EASEMENT_ON_EXTEND ) ) {
/* Ignore easements when extending turnouts or turntables */
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;
d = Dex.curveData.curveRadius * Dex.curveData.a1 * 2.0*M_PI/360.0;
} else { /* Easement code */
if (easementVal<0.0) { //Cornu Join - need to estimate a "good" easement length
d = Dex.curveData.curveRadius * Dex.curveData.a1 * 2.0*M_PI/360.0;
Dex.jointD.d0 = Dex.jointD.d1 =0.75*72*12/GetTrkScale(
Dex.Trk); //Easement 1.5 cars long to start
if (Dex.jointD.d0>(GetTrkLength(Dex.Trk,0,1)/2)) {
Dex.jointD.d0 = GetTrkLength(Dex.Trk,0,1)/2;
}
if (Dex.jointD.d1>d/2) {
Dex.jointD.d1 = d/2;
}
Dex.jointD.negate = DifferenceBetweenAngles(Dex.angle,FindAngle(Dex.pos00,
pos))<0.0;
Dex.jointD.x = 2*trackGauge; //Signal an easement present to JoinTracks
} else {
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 (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.jointD.d1;
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 ) )
}
if (d <= minLength) {
ErrorMessage( MSG_TRK_TOO_SHORT, "Extending ", PutDim(fabs(minLength-d)) );
return C_CONTINUE;
}
DYNARR_SET( trkSeg_t, tempSegs_da, 1 );
tempSegs(0).type = SEG_CRVTRK;
tempSegs(0).lineWidth = 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;
double da = D2R(Dex.curveData.a1);
if (da < 0.0) {
da = 2*M_PI + da;
}
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 * da),
Dex.curveData.a1 );
}
return C_CONTINUE;
case C_RUP:
extendTrackUp:
changeTrackMode = FALSE;
modifyExtendMode = FALSE;
DYNARR_RESET( trkSeg_t, tempSegs_da );
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 (QueryTrack(Dex.Trk,Q_CAN_EXTEND)) //Check it isn't a turnout end....
if ( Dex.params.type == curveTypeStraight &&
FindDistance(Dex.pos01, Dex.curveData.pos1) > 0 ) {
UndoModify( Dex.Trk );
AdjustStraightEndPt( Dex.Trk, Dex.params.ep, Dex.curveData.pos1 );
UndoEnd();
DrawNewTrack(Dex.Trk );
return C_TERMINATE;
}
if (FindDistance(Dex.pos01, Dex.curveData.pos1) == 0) { return C_ERROR; }
LOG( log_modify, 1, ("L = %0.3f, P0 = %0.3f, P1 = %0.3f\n",
Dex.params.len, Dex.pos01, Dex.curveData.pos1 ) )
trk = NewStraightTrack( Dex.pos01, Dex.curveData.pos1 );
inx = 0;
} else if ( curveType == curveTypeCurve ) {
LOG( log_modify, 1, ("R = %0.3f, A0 = %0.3f, A1 = %0.3f\n",
Dex.curveData.curveRadius, 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;
}
CopyAttributes( Dex.Trk, trk );
if (Dex.jointD.d1 == 0) {
DrawEndPt( &mainD, Dex.Trk, Dex.params.ep, wDrawColorWhite );
ConnectTracks(Dex.Trk, Dex.params.ep, trk, inx);
DrawEndPt( &mainD, Dex.Trk, Dex.params.ep, wDrawColorBlack );
} else {
UndrawNewTrack( Dex.Trk );
JoinTracks( Dex.Trk, Dex.params.ep, Dex.pos00, trk, inx, Dex.pos01,
&Dex.jointD );
DrawNewTrack( Dex.Trk );
}
UndoEnd();
DrawNewTrack( trk );
return C_TERMINATE;
case C_REDRAW:
if (modifyBezierMode) { return ModifyBezier(C_REDRAW, pos); }
if (modifyCornuMode) { return ModifyCornu(C_REDRAW, pos); }
if (modifyDrawMode) { return ModifyDraw(C_REDRAW, pos); }
DrawSegsDA( &tempD, NULL, zero, 0.0, &tempSegs_da, trackGauge, wDrawColorBlack,
0 );
DrawSegsDA( &tempD, NULL, zero, 0.0, &anchors_da, trackGauge, wDrawColorBlack,
0 );
return C_CONTINUE;
case C_TEXT:
if ((action>>8) == 'c') {
panCenter = pos;
LOG( log_pan, 2, ( "PanCenter:Mod-%d %0.3f %0.3f\n", __LINE__, panCenter.x,
panCenter.y ) );
PanHere(I2VP(0));
return C_CONTINUE;
}
if ((action>>8) == 'e') {
DoZoomExtents(I2VP(0));
}
if ((action>>8) == 's') {
DoZoomExtents(I2VP(1));
}
if ((action>>8) == '0' || (action>>8 == 'o')) {
PanMenuEnter(I2VP('o'));
}
if ( !Dex.Trk ) {
return C_CONTINUE;
}
if (modifyBezierMode) {
return ModifyBezier(action, pos);
}
if (modifyCornuMode) {
return ModifyCornu(action, pos);
}
if (modifyDrawMode) {
return ModifyDraw(action, pos);
}
return ModifyTrack( Dex.Trk, action, pos );
case C_CMDMENU:
if ( !Dex.Trk ) {
menuPos = pos;
wMenuPopupShow(modPopupM);
return C_CONTINUE;
}
if (modifyBezierMode) {
return ModifyBezier(action, pos);
}
if (modifyCornuMode) {
return ModifyCornu(action, pos);
}
if (modifyDrawMode) {
return ModifyDraw(action, pos);
}
return ModifyTrack( Dex.Trk, action, pos );
case C_LCLICK:
if ( modifyDrawMode) {
rc = ModifyDraw(C_DOWN, pos);
if (rc == C_CONTINUE) {
return ModifyDraw(C_UP, pos);
}
}
if (modifyCornuMode) {
return ModifyCornu(action, pos);
}
/*no break*/
default:
if (modifyBezierMode) { return ModifyBezier(action, pos); }
if (modifyCornuMode) { return ModifyCornu(action, pos); }
if (modifyDrawMode) { return ModifyDraw(action, pos); }
if (Dex.Trk) {
return ModifyTrack( Dex.Trk, action, pos );
}
return C_CONTINUE;
}
return C_CONTINUE;
}
/*****************************************************************************
*
* INITIALIZATION
*
*/
#include "bitmaps/extend.xpm3"
void InitCmdModify( wMenu_p menu )
{
modifyCmdInx = AddMenuButton( menu, CmdModify, "cmdModify", _("Modify"),
wIconCreatePixMap(extend_xpm3[iconSize]), LEVEL0_50,
IC_STICKY|IC_POPUP|IC_WANT_MOVE|IC_CMDMENU, ACCL_MODIFY, NULL );
/** @logcmd @showrefby modify=n cmodify.c Log Modify command */
log_modify = LogFindIndex( "modify" );
modPopupM = MenuRegister( "Modify Context Menu" );
wMenuPushCreate(modPopupM, "cmdSelectMode", GetBalloonHelpStr("cmdSelectMode"),
0, DoCommandB, I2VP(selectCmdInx));
wMenuPushCreate(modPopupM, "cmdDescribeMode",
GetBalloonHelpStr("cmdDescribeMode"), 0, DoCommandB, I2VP(describeCmdInx));
wMenuPushCreate(modPopupM, "cmdPanMode", GetBalloonHelpStr("cmdPanMode"), 0,
DoCommandB, I2VP(panCmdInx));
wMenuSeparatorCreate(modPopupM);
wMenuPushCreate(modPopupM, "", _("Zoom In"), 0, DoZoomUp, I2VP(1));
wMenuPushCreate(modPopupM, "", _("Zoom Out"), 0, DoZoomDown, I2VP(1));
wMenuPushCreate(modPopupM, "", _("Pan center - 'c'"), 0, PanHere, I2VP(3));
}