Initial import of xtrkcad version 1:4.0.2-2

1 files changed, 407 insertions, 0 deletions

diff --git a/app/bin/cmodify.c b/app/bin/cmodify.c
new file mode 100644
index 0000000..89fd548
--- /dev/null
+++ b/app/bin/cmodify.c
@@ -0,0 +1,407 @@
+/*
+ * $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" );
+}