From b18ff9447389e6879994f90d458b5a0e993755f3 Mon Sep 17 00:00:00 2001
From: Alexander Fedotov <soyaxhoya@gmail.com>
Date: Sat, 9 Apr 2016 22:35:09 +0100
Subject: [PATCH] helper maps

---
 modelchecker/coord.c | 99 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 99 insertions(+)

diff --git a/modelchecker/coord.c b/modelchecker/coord.c
index 586095f..12b428d 100644
--- a/modelchecker/coord.c
+++ b/modelchecker/coord.c
@@ -17,6 +17,95 @@
 #include "coord.h"
 #include "sokoban.h"
 
+typedef struct {
+	int x;
+	int y;
+} xy;
+
+typedef struct {
+	int var[3];
+} bddvar;
+
+typedef struct {
+	xy key;
+	bddvar value;
+	UT_hash_handle hh;
+} xy_bddvar_map;
+
+typedef struct {
+	int key;
+	xy value;
+	UT_hash_handle hh;
+} bddvar_xy_map;
+
+typedef struct {
+	xy_bddvar_map f;
+	bddvar_xy_map t;
+} bimap;
+
+xy_bddvar_map *getxy(int x, int y, xy_bddvar_map *map)
+{
+	xy_bddvar_map k, *r = NULL;
+	memset(&k, 0, sizeof(xy_bddvar_map));
+	k.key.x = x;
+	k.key.y = y;
+	HASH_FIND(hh, map, &k.key, sizeof(xy), r);
+	return r;
+}
+
+bddvar_xy_map *getbdd(int key, bddvar_xy_map *map)
+{
+	bddvar_xy_map k, *r = NULL;
+	memset(&k, 0, sizeof(bddvar_xy_map));
+	k.key = key;
+	HASH_FIND(hh, map, &k.key, sizeof(int), r);
+	return r;
+}
+
+xy_bddvar_map *create_xy_bddvar_map(sokoban_screen *screen)
+{
+	int varcount = 0;
+	sokoban_screen *r;
+	xy_bddvar_map *xybdd = NULL;
+	for(r=screen; r != NULL; r = (sokoban_screen *)(r->hh.next)){
+		xy_bddvar_map *f = NULL;
+		//bddvar_xy_map *t = NULL;
+
+		f = (xy_bddvar_map *)malloc(sizeof(xy_bddvar_map));
+		memset(f, 0, sizeof(xy_bddvar_map));
+		f->key.x = r->coord.x;
+		f->key.y = r->coord.y;
+		printf("test!: %d %d\n", r->coord.x, r->coord.y);
+		f->value.var[0] = varcount;
+		f->value.var[1] = varcount + 1;
+		f->value.var[2] = varcount + 2;
+		HASH_ADD(hh, xybdd, key, sizeof(xy), f);
+		varcount = varcount + 3;
+	}
+	return xybdd;
+}
+
+bddvar_xy_map *create_bddvar_xy_map(sokoban_screen *screen)
+{
+	int varcount = 0;
+	sokoban_screen *r;
+	bddvar_xy_map *bddxy = NULL;
+	for(r=screen; r != NULL; r = (sokoban_screen *)(r->hh.next)){
+		for (int i = 0; i <3; i++){
+			bddvar_xy_map *f = NULL;
+			//bddvar_xy_map *t = NULL;
+
+			f = (bddvar_xy_map *)malloc(sizeof(bddvar_xy_map));
+			memset(f, 0, sizeof(bddvar_xy_map));
+			f->key = varcount + i;
+			f->value.x = r->coord.x;
+			f->value.y = r->coord.y;
+			HASH_ADD(hh, bddxy, key, sizeof(int), f);
+		}
+		varcount = varcount + 3;
+	}
+	return bddxy;
+}
 
 /*
  * Each coordinate has three related boolean variables. The combination of those boolean variables
@@ -170,6 +259,16 @@ BDD encode_screen(sokoban_screen *screen)
 			break;
 		}
 	}
+	/*
+	xy_bddvar_map *map = NULL;
+	map = create_xy_bddvar_map(screen);
+	xy_bddvar_map *m = getxy(1, 1, map);
+	bddvar_xy_map *map2 = NULL;
+	map2 = create_bddvar_xy_map(screen);
+	bddvar_xy_map *m2 = getbdd(2, map2);
+	printf("Test1: %d %d\n", m->value.var[0], m->value.var[1]);
+	printf("Test2: %d %d\n", m2->value.x, m2->value.y);
+	*/
 	printf("%d tiles were encoded\n", tile_index);
 	return state;
 }
-- 
2.20.1