--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os.c	Sat May 06 00:34:04 2006 +0200
@@ -0,0 +1,168 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <signal.h>
+#include <assert.h>
+#include "general.h"
+
+/* Things related to the showing of the status */
+float percent_to_show = 0;
+int depth_to_show = 0;
+
+int max_depth = 0;
+int min_depth_period = 0;
+int max_depth_period = 0;
+struct Map * actual_map;
+
+
+void ReadMap(struct Map *M, char *FileName)
+{
+	FILE *Fitxer;
+	int i,j;
+
+	if(!(Fitxer = fopen(FileName, "r")))
+	{
+		printf("Error opening %s!", FileName);
+		exit(1);
+	}
+
+	M->SizeX=0;
+	M->SizeY=0;
+	while (!feof(Fitxer))
+	{
+		fgets(M->Cells[M->SizeY], MAX_X, Fitxer);
+		M->SizeY++;
+	}
+	M->SizeY--;
+	M->SizeX = strlen(M->Cells[0]) - 1;
+
+	M->NumPlatforms = 0;
+	M->NumBoxesInPlatform = 0;
+	M->NumBoxes = 0;
+	for (j = 0; j<M->SizeY; j++)
+		for (i=0; i<M->SizeX; i++)
+		{
+			if (M->Cells[j][i] == MAN)
+			{ 
+				M->Man.x = i; M->Man.y = j; 
+				M->Cells[M->Man.y][M->Man.x] = BLANK;
+			}
+
+			if (M->Cells[j][i] == PLATFORM)
+				M->NumPlatforms++;
+			else if (M->Cells[j][i] == BOXINPLATFORM)
+			{
+				M->Cells[j][i] = PLATFORM;
+
+				M->NumPlatforms++;
+				M->NumBoxesInPlatform++;
+
+				M->Box[M->NumBoxes].x = i;
+				M->Box[M->NumBoxes].y = j;
+				M->NumBoxes++;
+			} else if (M->Cells[j][i] == BOX)
+			{
+				M->Cells[j][i] = BLANK;
+
+				M->Box[M->NumBoxes].x = i;
+				M->Box[M->NumBoxes].y = j;
+				M->NumBoxes++;
+			} else if (M->Cells[j][i] == CORNER)
+			{
+				M->Cells[j][i] = CORNER;
+			} else if (M->Cells[j][i] != WALL)
+			{
+				if (    (M->Cells[j][i-1] == WALL &&
+					 M->Cells[j-1][i] == WALL) ||
+					(M->Cells[j][i-1] == WALL &&
+					 M->Cells[j+1][i] == WALL) ||
+					(M->Cells[j][i+1] == WALL &&
+					 M->Cells[j-1][i] == WALL) ||
+					(M->Cells[j][i+1] == WALL &&
+					 M->Cells[j+1][i] == WALL))
+				M->Cells[j][i] = CORNER;
+			}
+				
+		}
+
+}
+
+
+void ShowMap (const struct Map *M)
+{
+	struct Map Temp;
+	int i,j;
+
+	CopyMap(&Temp, M);
+
+	Temp.Cells[Temp.Man.y][Temp.Man.x] = MAN;
+
+	for (i = 0; i < Temp.NumBoxes; i++)
+	{
+		if (Temp.Cells[Temp.Box[i].y][Temp.Box[i].x] == PLATFORM)
+			Temp.Cells[Temp.Box[i].y][Temp.Box[i].x] =BOXINPLATFORM;
+		else
+			Temp.Cells[Temp.Box[i].y][Temp.Box[i].x] = BOX;
+	}
+
+	for (j = 0; j<Temp.SizeY; j++)
+	{
+		for (i=0; i<Temp.SizeX; i++)
+			fprintf(stderr,"%c", Temp.Cells[j][i]);
+		fprintf(stderr,"\n");
+	}
+
+#if 0
+	// Print Where the man can move
+	for (j = 0; j<Temp.SizeY; j++)
+	{
+		for (i=0; i<Temp.SizeX; i++)
+			printf("%c", Temp.ManMoves[j][i]);
+		printf("\n");
+	}
+#endif
+
+	printf("Man is at (%i,%i)\n", Temp.Man.x, Temp.Man.y);
+	printf("Platforms: %i, BoxesInPlatform: %i\n", Temp.NumPlatforms,
+			Temp.NumBoxesInPlatform);
+
+}
+
+void PrintMove(struct BoxMove b)
+{
+	printf("Box: %i, Direction: {%i,%i}\n", b.box, b.dir.x, b.dir.y);
+}
+
+static void show_percent_callback(int parameter)
+{
+	fprintf(stderr, "Percent: %2.12f, depth: %i-%i\n", percent_to_show,
+		min_depth_period, max_depth_period);
+	ShowMap(actual_map);
+	fflush(stderr);
+	min_depth_period = MAX_STEPS;
+	max_depth_period = 0;
+#ifndef DEBUG
+	alarm(ALARM_SECONDS);
+#endif
+}
+
+static void program_alarm()
+{
+        struct sigaction my_action;
+        int result;
+
+        my_action.sa_handler = show_percent_callback;
+        my_action.sa_flags = 0;
+        memset(&my_action.sa_mask, 0, sizeof(my_action.sa_mask));
+
+        result = sigaction(SIGALRM, &my_action, NULL);
+        assert(result == 0);
+
+	alarm(1);
+}
+
+void init_os()
+{
+	program_alarm();
+}