X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fmsdos.c;h=5b037e0287befbf489d097cbdbbeba580d10434e;hb=998be01ad92a672b69b11e24d472f6c0c076817f;hp=16bbe771c3024842a5e62a1070269aa3938eabbe;hpb=3d07b68a314ce189f207e42d95f786979662410d;p=rocksndiamonds.git

diff --git a/src/libgame/msdos.c b/src/libgame/msdos.c
index 16bbe771..5b037e02 100644
--- a/src/libgame/msdos.c
+++ b/src/libgame/msdos.c
@@ -1,15 +1,14 @@
 /***********************************************************
-*  Rocks'n'Diamonds -- McDuffin Strikes Back!              *
+* Artsoft Retro-Game Library                               *
 *----------------------------------------------------------*
-*  ©1995 Artsoft Development                               *
-*        Holger Schemel                                    *
-*        33659 Bielefeld-Senne                             *
-*        Telefon: (0521) 493245                            *
-*        eMail: aeglos@valinor.owl.de                      *
-*               aeglos@uni-paderborn.de                    *
-*               q99492@pbhrzx.uni-paderborn.de             *
+* (c) 1994-2000 Artsoft Entertainment                      *
+*               Holger Schemel                             *
+*               Detmolder Strasse 189                      *
+*               33604 Bielefeld                            *
+*               Germany                                    *
+*               e-mail: info@artsoft.org                   *
 *----------------------------------------------------------*
-*  msdos.c                                                 *
+* msdos.c                                                  *
 ***********************************************************/
 
 #include "system.h"
@@ -920,6 +919,39 @@ void XAutoRepeatOff(Display *display)
   keyboard_auto_repeat = FALSE;
 }
 
+void AllegroDrawLine(Drawable d, int from_x, int from_y, int to_x, int to_y,
+		     Pixel color)
+{
+  boolean mouse_off = FALSE;
+
+  if ((BITMAP *)d == video_bitmap)
+  {
+    int dx = AllegroDefaultScreen().x;
+    int dy = AllegroDefaultScreen().y;
+    int x1, y1, x2, y2;
+
+    from_x += dx;
+    from_y += dy;
+    to_x += dx;
+    to_y += dy;
+
+    x1 = (from_x < to_x ? from_x : to_x);
+    y1 = (from_y < to_y ? from_y : to_y);
+    x2 = (from_x < to_x ? to_x : from_x);
+    y2 = (from_y < to_y ? to_y : from_y);
+
+    freeze_mouse_flag = TRUE;
+    mouse_off = hide_mouse(display, x1, y1, x2 - x1 + 1, y2 - y1 + 1);
+  }
+
+  line((BITMAP *)d, from_x, from_y, to_x, to_y, color);
+
+  if (mouse_off)
+    unhide_mouse(display);
+
+  freeze_mouse_flag = FALSE;
+}
+
 Bool MSDOSOpenAudio(void)
 {
   return allegro_init_audio();