From http://www.jwz.org/xscreensaver/xscreensaver-5.35.tar.gz

[xscreensaver] / hacks / glx / winduprobot.c

diff --git a/hacks/glx/winduprobot.c b/hacks/glx/winduprobot.c
index 86f7ce69f5d6e45764e2871c7623b8f96d4d5807..603a1c40a94cecc77918ff0ccded75140bbbbda3 100644 (file)
--- a/hacks/glx/winduprobot.c
+++ b/hacks/glx/winduprobot.c
@@ -1,4 +1,4 @@
-/* winduprobot, Copyright (c) 2014 Jamie Zawinski <jwz@jwz.org>
+/* winduprobot, Copyright (c) 2014, 2015 Jamie Zawinski <jwz@jwz.org>
  *
  * Permission to use, copy, modify, distribute, and sell this software and its
  * documentation for any purpose is hereby granted without fee, provided that
@@ -14,7 +14,7 @@
  * came for us to throw the Cocktail Robotics Grand Challenge at DNA Lounge, I
  * photographed this robot (holding a tiny martini glass) to make a flyer for
  * the event.  You can see that photo here:
- * http://www.dnalounge.com/flyers/2014/09/14.html
+ * https://www.dnalounge.com/flyers/2014/09/14.html
  *
  * Then I decided to try and make award statues for the contest by modeling
  * this robot and 3D-printing it (a robot on a post, with the DNA Lounge
@@ -32,6 +32,11 @@
  *  - Clean up the model a little bit more;
  *  - Export to DXF with "Millimeters", "Triangles", using
  *    http://www.guitar-list.com/download-software/convert-sketchup-skp-files-dxf-or-stl
+ *
+ * We did eventually end up with robotic award statues, but we constructed
+ * them out of mass-produced wind-up robots, rather than 3D printing them:
+ * https://www.dnalounge.com/gallery/2014/09-14/045.html
+ * https://www.youtube.com/watch?v=EZF4ZAAy49g
  */
 
 #define LABEL_FONT "-*-helvetica-bold-r-normal-*-*-240-*-*-*-*-*-*"
@@ -423,7 +428,7 @@ init_robot (ModeInfo *mi)
       char *key = 0;
       GLfloat spec1[4] = {1.00, 1.00, 1.00, 1.0};
       GLfloat spec2[4] = {0.40, 0.40, 0.70, 1.0};
-      GLfloat *spec = spec1;
+      GLfloat *spec = 0;
       GLfloat shiny = 20;
 
       glNewList (bp->dlists[i], GL_COMPILE);
@@ -2115,7 +2120,8 @@ draw_label (ModeInfo *mi, walker *f, GLfloat y_off, GLfloat scale,
   glRotatef (current_device_rotation(), 0, 0, 1);  /* right side up */
 
   {
-    int cw, ch, w, h;
+    XCharStruct e;
+    int cw, ch, w, h, ascent, descent;
     GLfloat s;
     GLfloat max = 24;   /* max point size to avoid pixellated text */
 
@@ -2123,13 +2129,17 @@ draw_label (ModeInfo *mi, walker *f, GLfloat y_off, GLfloat scale,
     if (mi->xgwa.height <= 640 || mi->xgwa.width <= 640)
       max *= 3;
     
-    cw = texture_string_width (bp->font_data, "X", &ch);  /* line height */
+    texture_string_metrics (bp->font_data, "X", &e, &ascent, &descent);
+    cw = e.width;
+    ch = ascent + descent;
     s = 1.0 / ch;
     if (ch > max) s *= max/ch;
 
     s *= scale;
 
-    w = texture_string_width (bp->font_data, label, &h);
+    texture_string_metrics (bp->font_data, label, &e, 0, 0);
+    w = e.width;
+    h = e.ascent + e.descent;
 
     glScalef (s, s, 1);
     glTranslatef (-w/2, h*2/3 + (cw * 7), 0);
@@ -2144,6 +2154,7 @@ draw_label (ModeInfo *mi, walker *f, GLfloat y_off, GLfloat scale,
     glPopMatrix();
 
     glColor4fv (bp->text_color);
+    glTranslatef (0, ch/2, 0);
     print_texture_string (bp->font_data, label);
   }
 
@@ -2282,7 +2293,22 @@ draw_robot (ModeInfo *mi)
   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
   glPushMatrix ();
-  glRotatef(current_device_rotation(), 0, 0, 1);
+
+# ifdef HAVE_MOBILE
+  {
+    int rot = current_device_rotation();
+
+    if (rot == 180 || rot == -180)             /* so much WTF */
+      glRotatef (-68, 1, 0, 0);
+    else if (rot == 90 || rot == -270)
+      glRotatef (68, 0, 1, 0);
+    else if (rot == -90 || rot == 270)
+      glRotatef (-68, 0, 1, 0);
+
+    glRotatef (rot, 0, 0, 1);  /* right side up */
+  }
+# endif
+
   gltrackball_rotate (bp->user_trackball);
 
   robot_size = size * 7;