/* Classic Ladder Project */
/* Copyright (C) 2001-2006 Marc Le Douarain */
/* http://www.multimania.com/mavati/classicladder */
/* http://www.sourceforge.net/projects/classicladder */
/* September 2002 */

/* This library is free software; you can redistribute it and/or */
/* modify it under the terms of the GNU Lesser General Public */
/* License as published by the Free Software Foundation; either */
/* version 2.1 of the License, or (at your option) any later version. */

/* This library 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 */
/* Lesser General Public License for more details. */

/* You should have received a copy of the GNU Lesser General Public */
/* License along with this library; if not, write to the Free Software */
/* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */


#define NBR_SEQUENTIAL_PAGES 5

#define NBR_STEPS 128
#define NBR_TRANSITIONS 256
#define NBR_SWITCHS_MAX 10
#define NBR_SEQ_COMMENTS 50

/* size of the page */
#define SEQ_PAGE_WIDTH 16
#define SEQ_PAGE_HEIGHT 16

/* elements in the sequential pages */
#define ELE_SEQ_STEP 1
#define ELE_SEQ_TRANSITION 2
#define ELE_SEQ_COMMENT 3

/* used only for edit */
#define EDIT_SEQ_INIT_STEP 20
#define EDIT_SEQ_STEP_AND_TRANS 21
#define EDIT_SEQ_START_MANY_STEPS 22
#define EDIT_SEQ_END_MANY_STEPS 23
#define EDIT_SEQ_START_MANY_TRANS 24
#define EDIT_SEQ_END_MANY_TRANS 25
#define EDIT_SEQ_LINK 26

/* size in pixels (default) */
#define SEQ_SIZE_DEF 32

#define SEQ_COMMENT_LGT 51

typedef struct StrStep
{
	/* step is activated at init */
	char InitStep;
	/* step number */
	int StepNumber;
	/* positions on the page and on which page */
	signed char NumPage; /* -1 if do not exist */
	char PosiX;
	char PosiY;

	/* dynamic state */
	char Activated;
	int TimeActivated;
	
	/* for drawing cross step */
	char OffDrawCrossStep;
}StrStep;

typedef struct StrTransition
{
	/* condition for the transition to become activated */
	/* if boolean variable true */
	int VarTypeCondi;
	int VarNumCondi;
	/* number of the steps to activate if condition true
	   >1 if start of 'AND' */
	short int NumStepToActiv[ NBR_SWITCHS_MAX ];
	/* number of the steps to desactivate if condition true
	   >1 if end of 'AND' */
	short int NumStepToDesactiv[ NBR_SWITCHS_MAX ];
	/* if start of 'OR' */
	short int NumTransLinkedForStart[ NBR_SWITCHS_MAX ];
	/* if end of 'OR' */
	short int NumTransLinkedForEnd[ NBR_SWITCHS_MAX ];
	/* Positions on the page and on which page */
	signed char NumPage; /* -1 if do not exist */
	char PosiX;
	char PosiY;

	/* dynamic state */
	char Activated;
}StrTransition;

typedef struct StrReturn
{
	short int NumStepToGo;
}StrReturn;

typedef struct StrSeqComment
{
	/* positions on the page and on which page */
	signed char NumPage; /* -1 if do not exist */
	char PosiX;
	char PosiY;
	/* comment string */
	char Comment[ SEQ_COMMENT_LGT ];
}StrSeqComment;


typedef struct StrSequential
{
	StrStep Step[ NBR_STEPS ];
	StrTransition Transition[ NBR_TRANSITIONS ];
	StrSeqComment SeqComment[ NBR_SEQ_COMMENTS ];
}StrSequential;