From d1a8285f818eb7e5c3d6a05709ea21a808490b8c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= <debian@jff-webhosting.net>
Date: Mon, 19 Mar 2018 19:55:58 +0100
Subject: New upstream version 5.1.0

---
 app/bin/cgroup.c | 52 +++++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 39 insertions(+), 13 deletions(-)

(limited to 'app/bin/cgroup.c')

diff --git a/app/bin/cgroup.c b/app/bin/cgroup.c
index 76b15ca..b173987 100644
--- a/app/bin/cgroup.c
+++ b/app/bin/cgroup.c
@@ -1,6 +1,4 @@
-/*
- * $Header: /home/dmarkle/xtrkcad-fork-cvs/xtrkcad/app/bin/cgroup.c,v 1.2 2008-01-20 23:29:15 mni77 Exp $
- *
+/** \file cgroup.c
  * Compound tracks: Group
  *
  */
@@ -24,10 +22,23 @@
  */
 
 #include <ctype.h>
-#include "track.h"
+#include <math.h>
+#include <string.h>
+
 #include "compound.h"
-#include "shrtpath.h"
+#include "cundo.h"
+#include "custom.h"
+#include "fileio.h"
 #include "i18n.h"
+#include "tbezier.h"
+#include "tcornu.h"
+#include "common.h"
+#include "messages.h"
+#include "param.h"
+#include "shrtpath.h"
+#include "track.h"
+#include "utility.h"
+
 
 /*****************************************************************************
  *
@@ -46,6 +57,10 @@ static char groupPartno[STR_SIZE];
 static char groupTitle[STR_SIZE];
 static int groupCompoundCount = 0;
 
+extern TRKTYP_T T_BZRTRK;
+extern TRKTYP_T T_BZRLIN;
+extern TRKTYP_T T_CORNU;
+
 typedef struct {
 		int segInx;
 		EPINX_T segEP;
@@ -666,7 +681,11 @@ static char * FindPathBtwEP(
 		if ( ep1+ep2 != 1 )
 			AbortProg( "findPathBtwEP" );
 		*flip = ( ep1 == 1 );
-		return "\1\0\0";
+		if (GetTrkType(trk) == T_CORNU ) { 			// Cornu doesn't have a path but lots of segs!
+			cp = CreateSegPathList(trk);			// Make path
+LOG( log_group, 2, ( " Group: Cornu path:%s \n", cp ) )
+		} else cp = "\1\0\0";						//One segment (but could be a Bezier)
+		return cp;
 	}
 	cp = (char *)xx->paths;
 	pos1 = GetTrkEndPos(trk,ep1);
@@ -678,7 +697,7 @@ static char * FindPathBtwEP(
 	pos2.x -= xx->orig.x;
 	pos2.y -= xx->orig.y;
 	while ( cp[0] ) {
-		cp += strlen(cp)+1;
+		cp += strlen(cp)+1;						//Ignore Path Name
 		while ( cp[0] ) {
 			cp0 = cp;
 			epN = -1;
@@ -691,8 +710,8 @@ static char * FindPathBtwEP(
 			if ( epN != -1 ) {
 				GetSegInxEP( cp[-1], &segInx, &segEP );
 				if ( CheckTurnoutEndPoint( &xx->segs[segInx], epN==0?pos1:pos2, 1-segEP ) ) {
-					*flip = epN==0;
-					return cp0;
+					*flip = epN==0;			 // If its reversed, set up to be flipped or noted
+					return cp0;				 //Found path between EPs
 				}
 			}
 			cp++;
@@ -995,6 +1014,12 @@ static void GroupOk( void * junk )
 							DrawSegs( &groupD, xx->orig, xx->angle, segPtr, 1, trackGauge, wDrawColorBlack );
 						}
 					}
+				} else if (GetTrkType(trk) == T_BEZIER || GetTrkType(trk) == T_BZRLIN ) {
+					DYNARR_APPEND(trkSeg_t, trackSegs_da, 10);
+					segPtr = &trackSegs(trackSegs_da.cnt-1);
+					GetBezierSegmentFromTrack(trk,segPtr);
+				} else if (GetTrkType(trk) == T_CORNU) {
+					GetBezierSegmentsFromCornu(trk,&trackSegs_da);  //Only give back Bezier - cant be undone
 				} else {
 					segCnt = tempSegs_da.cnt;
 					oldOptions = groupD.options;
@@ -1072,6 +1097,7 @@ static void GroupOk( void * junk )
 		}
 
 		/* Make sure no turnouts in groupTrk list have a path end which is not an EndPt */
+		//TODO Add Trap Points (which are Turnouts with a bumper track)
 		for ( inx=0; inx<groupTrk_da.cnt; inx++ ) {
 			trk = groupTrk(0).trk;
 			if ( GetTrkType( trk ) == T_TURNOUT ) {
@@ -1391,7 +1417,7 @@ if ( log_group >= 1 && logTable(log_group).level > log_group ) {
 		for ( pinx=0; pinx<trackSegs_da.cnt; pinx++ ) {
 			if ( segFlip(pinx) < 0 ) {
 LOG( log_group, 1, ( "Flipping Segment %d\n", pinx+1 ) );
-				SegProc( SEGPROC_FLIP, &trackSegs(pinx), NULL );
+					SegProc( SEGPROC_FLIP, &trackSegs(pinx), NULL );
 			}
 		}
 
@@ -1413,7 +1439,7 @@ LOG( log_group, 1, ( "Flipping Segment %d\n", pinx+1 ) );
 					if ( path == NULL )
 						AbortProg( "Missing Path T%d:%d.%d", GetTrkIndex(groupP->trk), ppp->ep2, ppp->ep1 );
 					if ( flip ) path += strlen((char *)path)-1;
-					while ( *path ) {
+					while ( *path && (path >= ppp->path) ) {      //Add Guard for flip backwards
 						DYNARR_APPEND( char, pathPtr_da, 10 );
 						pathChar = *path;
 						flip1 = flip;
@@ -1568,6 +1594,7 @@ EXPORT void DoGroup( void )
 	xx = NULL;
 	groupSegCnt = 0;
 	groupCompoundCount = 0;
+
 	while ( TrackIterate( &trk ) ) {
 		if ( GetTrkSelected( trk ) ) {
 			trkType = GetTrkType(trk);
@@ -1575,9 +1602,8 @@ EXPORT void DoGroup( void )
 				xx = GetTrkExtraData(trk);
 				groupSegCnt += xx->segCnt;
 				GroupCopyTitle( xtitle(xx) );
-			} else {
+			} else
 				groupSegCnt += 1;
-			}
 		}
 	}
 	if ( groupSegCnt <= 0 ) {
-- 
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