* support for boxes

* application: pause box

TODO

@@ -40,5 +40,5 @@ Things to do
 
  * the nuke should break the tunnel
 
- * the laser stays alive when the ship exploded
+ * the laser stays alive when the ship explodes
 

src/Makefile.am

@@ -21,6 +21,7 @@ bin_PROGRAMS = ttyvaders
 ttyvaders_SOURCES = \
 	aliens.c \
 	bonus.c \
+	box.c \
 	ceo.c \
 	collide.c \
 	common.h \

src/box.c

@@ -0,0 +1,123 @@
+/*
+ *   ttyvaders     Textmode shoot'em up
+ *   Copyright (c) 2002-2003 Sam Hocevar <sam@zoy.org>
+ *                 All Rights Reserved
+ *
+ *   $Id: box.c,v 1.1 2003/02/09 11:17:40 sam Exp $
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program 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 General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <stdlib.h>
+
+#include "common.h"
+
+box * create_box( game *g, int x, int y, int w, int h )
+{
+    box *b = malloc( sizeof( box ) );
+
+    b->x = x;
+    b->y = y;
+    b->w = w;
+    b->h = h;
+    b->frame = 0;
+
+    return b;
+}
+
+void draw_box( game *g, box *b )
+{
+    int i, j, frame;
+
+    gfx_color( YELLOW );
+
+    /* Draw the thin horizontal line */
+    if( b->frame < 8 )
+    {
+        for( i = b->x - b->w * b->frame / 16 ;
+             i < b->x + b->w * b->frame / 16 ;
+             i++ )
+        {
+            gfx_goto( i, b->y );
+            gfx_putchar( 'X' );
+        }
+
+        return;
+    }
+
+    /* Draw the frame */
+    frame = b->frame < 12 ? b->frame : 12;
+
+    for( i = b->x - b->w / 2 ;
+         i < b->x + b->w / 2 ;
+         i++ )
+    {
+        gfx_goto( i, b->y - b->h * (frame - 8) / 8 );
+        gfx_putchar( 'X' );
+        gfx_goto( i, b->y + b->h * (frame - 8) / 8 );
+        gfx_putchar( 'X' );
+    }
+
+    for( j = b->y - b->h * (frame - 8) / 8 ;
+         j < b->y + b->h * (frame - 8) / 8 ;
+         j++ )
+    {
+        gfx_goto( b->x - b->w / 2, j );
+        gfx_putchar( 'X' );
+        gfx_goto( b->x + b->w / 2 - 1, j );
+        gfx_putchar( 'X' );
+    }
+
+    gfx_color( BLACK );
+
+    for( j = b->y - b->h * (frame - 8) / 8 + 1 ;
+         j < b->y + b->h * (frame - 8) / 8 ;
+         j++ )
+    {
+        for( i = b->x - b->w / 2 + 1 ;
+             i < b->x + b->w / 2 - 1 ;
+             i++ )
+        {
+            gfx_goto( i, j );
+            gfx_putchar( 'X' );
+        }
+    }
+
+    if( b->frame < 12 )
+    {
+        return;
+    }
+
+    /* Draw the text inside the frame */
+    gfx_color( YELLOW );
+
+    /* FIXME: use a font */
+    gfx_goto( b->x - b->w / 2 + 12, b->y - b->h / 2 + 2 );
+    gfx_putstr( "XXXX.  .XXXX  X   X  .XXXX  .XXXX  XXXX." );
+    gfx_goto( b->x - b->w / 2 + 12, b->y - b->h / 2 + 3 );
+    gfx_putstr( "X  `X  X'  X  X   X  X'     X'     X  `X" );
+    gfx_goto( b->x - b->w / 2 + 12, b->y - b->h / 2 + 4 );
+    gfx_putstr( "XXXX'  XXXXX  X   X  `XXX   XXXX   X   X" );
+    gfx_goto( b->x - b->w / 2 + 12, b->y - b->h / 2 + 5 );
+    gfx_putstr( "X'     X' `X  X. ,X     `X  X'     X  ,X" );
+    gfx_goto( b->x - b->w / 2 + 12, b->y - b->h / 2 + 6 );
+    gfx_putstr( "X      X   X  `XXXX  XXXX'  `XXXX  XXXX'" );
+}
+
+void free_box( box *b )
+{
+    free( b );
+}
+

src/common.h

@@ -3,7 +3,7 @@
  *   Copyright (c) 2002 Sam Hocevar <sam@zoy.org>
  *                 All Rights Reserved
  *
- *   $Id: common.h,v 1.15 2002/12/23 16:21:38 sam Exp $
+ *   $Id: common.h,v 1.16 2003/02/09 11:17:40 sam Exp $
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -140,6 +140,14 @@ typedef struct
 
 } aliens;
 
+typedef struct
+{
+    int w, h;
+    int x, y;
+    int frame;
+
+} box;
+
 typedef struct
 {
     int w, h;
@@ -181,6 +189,13 @@ void draw_bonus( game *g, bonus *bo );
 void update_bonus( game *g, bonus *bo );
 void add_bonus( game *g, bonus *bo, int x, int y, int type );
 
+/*
+ * From box.c
+ */
+box * create_box( game *g, int x, int y, int w, int h );
+void draw_box( game *g, box *b );
+void free_box( box *b );
+
 /*
  * From ceo.c
  */
@@ -220,7 +235,7 @@ int r00t( int a );
 /*
  * From overlay.c
  */
-void draw_overlay( game *g );
+void draw_status( game *g );
 
 /*
  * From player.c

src/main.c

@@ -3,7 +3,7 @@
  *   Copyright (c) 2002 Sam Hocevar <sam@zoy.org>
  *                 All Rights Reserved
  *
- *   $Id: main.c,v 1.16 2002/12/23 16:21:38 sam Exp $
+ *   $Id: main.c,v 1.17 2003/02/09 11:17:40 sam Exp $
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -61,6 +61,8 @@ static void start_game (game *g)
     int skip = 0;
     int purcompteur = 0;
 
+    box *pausebox = NULL;
+
     g->sf = create_starfield( g );
     g->wp = malloc(sizeof(weapons));
     g->ex = malloc(sizeof(explosions));
@@ -90,6 +92,15 @@ static void start_game (game *g)
                 break;
             case 'p':
                 poz = !poz;
+                if( poz )
+                {
+                    pausebox = create_box( g, g->w / 2, g->h / 2,
+                                              g->w - 16, 8 );
+                }
+                else
+                {
+                    free_box( pausebox );
+                }
                 break;
             case '\t':
                 ceo_alert();
@@ -215,7 +226,14 @@ static void start_game (game *g)
         draw_explosions( g, g->ex );
         draw_weapons( g, g->wp );
         draw_player( g, g->p );
-        draw_overlay( g );
+        draw_status( g );
+
+        /* Print pause box if needed */
+        if( poz )
+        {
+            pausebox->frame++;
+            draw_box( g, pausebox );
+        }
 
         /* Refresh */
         refresh_graphics();
@@ -223,6 +241,11 @@ static void start_game (game *g)
         purcompteur++;
     }
 
+    if( pausebox )
+    {
+        free_box( pausebox );
+    }
+
     free_starfield( g, g->sf );
     free_tunnel( g->t );
     free_player( g->p );

src/overlay.c

@@ -3,7 +3,7 @@
  *   Copyright (c) 2002 Sam Hocevar <sam@zoy.org>
  *                 All Rights Reserved
  *
- *   $Id: overlay.c,v 1.2 2002/12/23 16:21:38 sam Exp $
+ *   $Id: overlay.c,v 1.3 2003/02/09 11:17:40 sam Exp $
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -24,7 +24,7 @@
 
 #include "common.h"
 
-void draw_overlay( game *g )
+void draw_status( game *g )
 {
     static char dots30[] = "------------------------------";
     static char dashes30[] = "==============================";