initial

Makefile

@@ -14,12 +14,14 @@
 HEADERS += prep.h
 HEADERS += worm.h
 HEADERS += worm_model.h
+# HEADERS += messages.h
 HEADERS += board_model.h
 
 #Please add all object files in./ here
 OBJECTS += prep.o
 OBJECTS += worm.o
 OBJECTS += worm_model.o
+# OBJECTS += messages.o
 OBJECTS += board_model.o
 
 #Please add THE target in./ bin here

messages.c

@@ -0,0 +1,90 @@
+// A simple variant of the game Snake
+//
+// Used for teaching in classes
+//
+// Author:
+// Franz Regensburger
+// Ingolstadt University of Applied Sciences
+// (C) 2011
+//
+// Displaying messages and dialogs
+
+#include <curses.h>
+
+#include "worm.h"
+#include "board_model.h"
+#include "worm_model.h"
+#include "messages.h"
+
+// Clear an entire line on the display
+void clearLineInMessageArea(int row) {
+    int i;
+
+    move(row,0);
+    for (i = 1; i <= COLS; i++) {
+        addch(' ');
+    }
+}
+
+// Display the board line in order to separate the message area
+void showBorderLine() {
+    int pos_line0 = LINES -ROWS_RESERVED ;
+    int i;
+
+    for (i = 0; i < COLS ; i++) {
+        move(pos_line0, i);
+        attron(COLOR_PAIR(COLP_BARRIER));
+        addch(SYMBOL_BARRIER);
+        attroff(COLOR_PAIR(COLP_BARRIER));
+    }
+}
+
+// Display status about the game in the message area
+void showStatus(struct worm* aworm) {
+    int pos_line2 = LINES -ROWS_RESERVED + 2;
+
+    struct pos headpos = getWormHeadPos(aworm);
+    mvprintw(pos_line2, 1,"Wurm ist an Position: y=%3d x=%3d", headpos.y, headpos.x);
+}
+
+// Display a dialog in the message area and wait for confirmation
+// String prompt1 is displayed in the second line of the message area
+// String prompt2 is displayed in the  third line of the message area
+int showDialog(char* prompt1, char* prompt2) {
+    int pos_line1 = LINES -ROWS_RESERVED + 1;
+    int pos_line2 = LINES -ROWS_RESERVED + 2;
+    int pos_line3 = LINES -ROWS_RESERVED + 3;
+
+    int ch;
+
+    if (prompt1 == NULL) {
+        return RES_FAILED;
+    } 
+
+    // Delete lines in the message area
+    clearLineInMessageArea(pos_line1);
+    clearLineInMessageArea(pos_line2);
+    clearLineInMessageArea(pos_line3);
+
+    // Display message
+    mvprintw(pos_line2 , 1,"%s", prompt1);
+    if (prompt2 != NULL) {
+        mvprintw(pos_line3 , 1,"%s", prompt2);
+    }
+    refresh();
+
+    nodelay(stdscr, FALSE);
+    ch = getch();   // Wait for user to press an arbitrary key
+    nodelay(stdscr, TRUE);
+
+    // Delete lines in the message area
+    clearLineInMessageArea(pos_line1);
+    clearLineInMessageArea(pos_line2);
+    clearLineInMessageArea(pos_line3);
+
+    // Display changes
+    refresh();
+
+    // Return code of key pressed
+    return ch; 
+}

messages.h

@@ -0,0 +1,24 @@
+// A simple variant of the game Snake
+//
+// Used for teaching in classes
+//
+// Author:
+// Franz Regensburger
+// Ingolstadt University of Applied Sciences
+// (C) 2011
+//
+// Displaying messages and dialogs
+
+#ifndef _MESSAGES_H
+#define _MESSAGES_H
+
+#include "worm.h"
+#include "worm_model.h"
+#include "board_model.h"
+
+extern void clearLineInMessageArea(int row);
+extern void showBorderLine();
+extern void showStatus(struct worm* aworm);
+extern int showDialog(char* prompt1, char* prompt2);
+
+#endif  // #define _MESSAGES_H