X-Git-Url: https://git.martlubbers.net/?a=blobdiff_plain;f=modelchecker%2Fcoord.c;h=f5774a6b66ec6f3dbc07771696fd46f82e9ef133;hb=03c6e2f515f6516448ec39aa40a439b9fc20c4c8;hp=8905a17d897df2adab106da2cbfaf840c64b756c;hpb=51e07babc1030560dcaff28e68d2fd3c33e504b6;p=mc1516pa.git

diff --git a/modelchecker/coord.c b/modelchecker/coord.c
index 8905a17..f5774a6 100644
--- a/modelchecker/coord.c
+++ b/modelchecker/coord.c
@@ -157,6 +157,24 @@ bimap *create_bimap_helper(sokoban_screen *screen)
 	return bm;
 }
 
+int check_xy_exists(int x, int y, bimap *bm)
+{
+	int res = 0;
+	if (getxy(x, y, bm->f) != NULL) res = 1;
+	return res;
+}
+
+int check_space(int x, int y, direction d, int delta, bimap *bm)
+{
+	switch(d){
+	case LEFT: x = x - delta; break;
+	case UP: y = y - delta; break;
+	case RIGHT: x = x + delta; break;
+	case DOWN: y = y + delta; break;
+	}
+	return check_xy_exists(x, y, bm);
+}
+
 /*
  * Each coordinate has three related boolean variables. The combination of those boolean variables
  * defines tiles:
@@ -173,143 +191,86 @@ bimap *create_bimap_helper(sokoban_screen *screen)
  * directly in transition relations.
  */
 
-BDD encode_screen(sokoban_screen *screen)
+state *encode_screen(sokoban_screen *screen)
 {
-	BDD state = sylvan_false;
+	LACE_ME;
+
+	BDDVAR vars[HASH_COUNT(screen) * 3];
+	for (uint8_t i = 0; i < HASH_COUNT(screen) * 3; i++){
+		vars[i] = i;
+	}
+
+	uint8_t st_enc[HASH_COUNT(screen) * 3];
+
+	BDDSET varset = sylvan_set_fromarray(vars, HASH_COUNT(screen) * 3);
+	BDD s;
+	state *fullState = NULL;
+	fullState = (state *)malloc(sizeof(state));
+	fullState->vars.varset = varset;
+	fullState->vars.size = HASH_COUNT(screen) * 3;
 	int tile_index = 0;
 	sokoban_screen *r;
-	LACE_ME;
 	for(r=screen; r != NULL; r = (sokoban_screen *)(r->hh.next)){
 		switch(r->tile){
-		case FREE:
-			if (state == sylvan_false){
-				state = sylvan_not(sylvan_ithvar(tile_index));
-				tile_index++;
-				state = sylvan_and(state, sylvan_not(sylvan_ithvar(tile_index)));
-				tile_index++;
-				state = sylvan_and(state, sylvan_ithvar(tile_index));
-				tile_index++;
-			}
-			else {
-				state = sylvan_and(state, sylvan_not(sylvan_ithvar(tile_index)));
-				tile_index++;
-				state = sylvan_and(state, sylvan_not(sylvan_ithvar(tile_index)));
-				tile_index++;
-				state = sylvan_and(state, sylvan_ithvar(tile_index));
-				tile_index++;
-			}
+		case FREE: //001
+			st_enc[tile_index] = 0;
+			tile_index++;
+			st_enc[tile_index] = 0;
+			tile_index++;
+			st_enc[tile_index] = 1;
+			tile_index++;
 			break;
-		case WALL:
-			if (state == sylvan_false){
-				state = sylvan_not(sylvan_ithvar(tile_index));
-				tile_index++;
-				state = sylvan_and(state, sylvan_not(sylvan_ithvar(tile_index)));
-				tile_index++;
-				state = sylvan_and(state, sylvan_not(sylvan_ithvar(tile_index)));
-				tile_index++;
-			}
-			else {
-				state = sylvan_and(state, sylvan_not(sylvan_ithvar(tile_index)));
-				tile_index++;
-				state = sylvan_and(state, sylvan_not(sylvan_ithvar(tile_index)));
-				tile_index++;
-				state = sylvan_and(state, sylvan_not(sylvan_ithvar(tile_index)));
-				tile_index++;
-			}
+		case WALL: //000
+			st_enc[tile_index] = 0;
+			tile_index++;
+			st_enc[tile_index] = 0;
+			tile_index++;
+			st_enc[tile_index] = 0;
+			tile_index++;
 			break;
-		case BOX:
-			if (state == sylvan_false){
-				state = sylvan_not(sylvan_ithvar(tile_index));
-				tile_index++;
-				state = sylvan_and(state, sylvan_ithvar(tile_index));
-				tile_index++;
-				state = sylvan_and(state, sylvan_not(sylvan_ithvar(tile_index)));
-				tile_index++;
-			}
-			else {
-				state = sylvan_and(state, sylvan_not(sylvan_ithvar(tile_index)));
-				tile_index++;
-				state = sylvan_and(state, sylvan_ithvar(tile_index));
-				tile_index++;
-				state = sylvan_and(state, sylvan_not(sylvan_ithvar(tile_index)));
-				tile_index++;
-			}
+		case BOX: //010
+			st_enc[tile_index] = 0;
+			tile_index++;
+			st_enc[tile_index] = 1;
+			tile_index++;
+			st_enc[tile_index] = 0;
+			tile_index++;
 			break;
-		case TARGET:
-			if (state == sylvan_false){
-				state = sylvan_not(sylvan_ithvar(tile_index));
-				tile_index++;
-				state = sylvan_and(state, sylvan_ithvar(tile_index));
-				tile_index++;
-				state = sylvan_and(state, sylvan_ithvar(tile_index));
-				tile_index++;
-			}
-			else {
-				state = sylvan_and(state, sylvan_not(sylvan_ithvar(tile_index)));
-				tile_index++;
-				state = sylvan_and(state, sylvan_ithvar(tile_index));
-				tile_index++;
-				state = sylvan_and(state, sylvan_ithvar(tile_index));
-				tile_index++;
-			}
+		case TARGET: //011
+			st_enc[tile_index] = 0;
+			tile_index++;
+			st_enc[tile_index] = 1;
+			tile_index++;
+			st_enc[tile_index] = 1;
+			tile_index++;
 			break;
-		case AGENT:
-			if (state == sylvan_false){
-				state = sylvan_ithvar(tile_index);
-				tile_index++;
-				state = sylvan_and(state, sylvan_not(sylvan_ithvar(tile_index)));
-				tile_index++;
-				state = sylvan_and(state, sylvan_ithvar(tile_index));
-				tile_index++;
-			}
-			else {
-				state = sylvan_and(state, sylvan_ithvar(tile_index));
-				tile_index++;
-				state = sylvan_and(state, sylvan_not(sylvan_ithvar(tile_index)));
-				tile_index++;
-				state = sylvan_and(state, sylvan_ithvar(tile_index));
-				tile_index++;
-			}
+		case AGENT: //101
+			st_enc[tile_index] = 1;
+			tile_index++;
+			st_enc[tile_index] = 0;
+			tile_index++;
+			st_enc[tile_index] = 1;
+			tile_index++;
 			break;
-		case TARGAGENT:
-			if (state == sylvan_false){
-				state = sylvan_ithvar(tile_index);
-				tile_index++;
-				state = sylvan_and(state, sylvan_ithvar(tile_index));
-				tile_index++;
-				state = sylvan_and(state, sylvan_not(sylvan_ithvar(tile_index)));
-				tile_index++;
-			}
-			else {
-				state = sylvan_and(state, sylvan_ithvar(tile_index));
-				tile_index++;
-				state = sylvan_and(state, sylvan_ithvar(tile_index));
-				tile_index++;
-				state = sylvan_and(state, sylvan_not(sylvan_ithvar(tile_index)));
-				tile_index++;
-			}
+		case TARGAGENT: //110
+			st_enc[tile_index] = 1;
+			tile_index++;
+			st_enc[tile_index] = 1;
+			tile_index++;
+			st_enc[tile_index] = 0;
+			tile_index++;
 			break;
-		case TARGBOX:
-			if (state == sylvan_false){
-				state = sylvan_ithvar(tile_index);
-				tile_index++;
-				state = sylvan_and(state, sylvan_not(sylvan_ithvar(tile_index)));
-				tile_index++;
-				state = sylvan_and(state, sylvan_not(sylvan_ithvar(tile_index)));
-				tile_index++;
-			}
-			else {
-				state = sylvan_and(state, sylvan_ithvar(tile_index));
-				tile_index++;
-				state = sylvan_and(state, sylvan_not(sylvan_ithvar(tile_index)));
-				tile_index++;
-				state = sylvan_and(state, sylvan_not(sylvan_ithvar(tile_index)));
-				tile_index++;
-			}
+		case TARGBOX: //100
+			st_enc[tile_index] = 1;
+			tile_index++;
+			st_enc[tile_index] = 0;
+			tile_index++;
+			st_enc[tile_index] = 0;
+			tile_index++;
 			break;
 		}
 	}
-	/*
+	/* some testing...
 	xy_bddvar_map *map = NULL;
 	map = create_xy_bddvar_map(screen);
 	xy_bddvar_map *m = getxy(1, 1, map);
@@ -319,7 +280,7 @@ BDD encode_screen(sokoban_screen *screen)
 	printf("Test1: %d %d\n", m->value.var[0], m->value.var[1]);
 	printf("Test2: %d %d\n", m2->value.x, m2->value.y);
 	*/
-	/*
+	/* some more testing...
 	bimap *bm = NULL;
 	bm = create_bimap_helper(screen);
 	xy_bddvar_map *m = getxy(1, 1, bm->f);
@@ -329,7 +290,10 @@ BDD encode_screen(sokoban_screen *screen)
 	printf("%d tiles were encoded\n", tile_index);
 	if (bm != NULL) printf ("WORKS!\n");
 	*/
-	return state;
+	s = sylvan_cube(varset, st_enc);
+	fullState->bdd = s;
+	printf("Initial state encoded\n");
+	return fullState;
 }
 
 BDD encode_rel(sokoban_screen *screen)
@@ -337,22 +301,14 @@ BDD encode_rel(sokoban_screen *screen)
 	int num_tiles;
 	num_tiles = HASH_COUNT(screen);
 	printf("Number of tiles: %d\n", num_tiles);
-	return sylvan_true;
-}
 
-void test()
-{
+	//left relation
 
-	printf("Test!\n");
-	BDD a = sylvan_true;
-	BDD b = sylvan_not(a);
-	if (b == sylvan_false){
-		printf("BDD works!\n");
-	} else {
-		printf("BDD does not work!\n");
-	}
-	LACE_ME;
-	BDD c = sylvan_ithvar(1);
-	if (sylvan_high(c) == sylvan_true && sylvan_low(c) == sylvan_false) printf("VAR works 1\n");
-	if (sylvan_var(c) == 1) printf("Var works 2\n");
+	//up relation
+
+	//right relation
+
+	//down relation
+
+	return sylvan_true;
 }