6.09HEADmaster

1 files changed, 0 insertions, 648 deletions

diff --git a/hacks/glx/bouncingcow.c b/hacks/glx/bouncingcow.c
deleted file mode 100644
index 29baa46..0000000
--- a/hacks/glx/bouncingcow.c
+++ /dev/null
@@ -1,648 +0,0 @@
-/* bouncingcow, Copyright (c) 2003-2019 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
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or 
- * implied warranty.
- *
- * Boing, boing, boing.  Cow, cow, cow.
- */
-
-#define DEFAULTS	"*delay:	30000       \n" \
-			"*count:        1           \n" \
-			"*showFPS:      False       \n" \
-			"*wireframe:    False       \n" \
-
-# define release_cow 0
-#define DEF_SPEED       "1.0"
-#define DEF_TEXTURE     "(none)"
-#define DEF_MATHEMATICAL "False"
-
-#undef BELLRAND
-#define BELLRAND(n) ((frand((n)) + frand((n)) + frand((n))) / 3)
-#undef RANDSIGN
-#define RANDSIGN() ((random() & 1) ? 1 : -1)
-
-#include "xlockmore.h"
-#include "rotator.h"
-#include "gltrackball.h"
-#include "ximage-loader.h"
-#include <ctype.h>
-
-#ifdef USE_GL /* whole file */
-
-#include "gllist.h"
-
-extern struct gllist
- *cow_face, *cow_hide, *cow_hoofs, *cow_horns, *cow_tail, *cow_udder;
-
-static struct gllist **all_objs[] = {
- &cow_face, &cow_hide, &cow_hoofs, &cow_horns, &cow_tail, &cow_udder
-};
-
-#define FACE	0
-#define HIDE	1
-#define HOOFS	2
-#define HORNS	3
-#define TAIL	4
-#define UDDER	5
-
-typedef struct {
-  GLfloat x, y, z;
-  GLfloat ix, iy, iz;
-  GLfloat dx, dy, dz;
-  GLfloat ddx, ddy, ddz;
-  rotator *rot;
-  Bool spinner_p;
-} floater;
-
-typedef struct {
-  GLXContext *glx_context;
-  trackball_state *trackball;
-  Bool button_down_p;
-
-  GLuint *dlists;
-  GLuint texture;
-  enum { BOUNCE, INFLATE, DEFLATE } mode;
-  GLfloat ratio;
-
-  int nfloaters;
-  floater *floaters;
-
-} cow_configuration;
-
-static cow_configuration *bps = NULL;
-
-static GLfloat speed;
-static const char *do_texture;
-static Bool mathematical;
-
-static XrmOptionDescRec opts[] = {
-  { "-speed",      ".speed",     XrmoptionSepArg, 0 },
-  {"-texture",     ".texture",   XrmoptionSepArg, 0 },
-  {"+texture",     ".texture",   XrmoptionNoArg, "(none)" },
-  {"-mathematical", ".mathematical", XrmoptionNoArg, "True" },
-  {"+mathematical", ".mathematical", XrmoptionNoArg, "False" },
-};
-
-static argtype vars[] = {
-  {&speed,      "speed",      "Speed",   DEF_SPEED,     t_Float},
-  {&do_texture, "texture",    "Texture", DEF_TEXTURE,   t_String},
-  {&mathematical,"mathematical","Mathematical",DEF_MATHEMATICAL,t_Bool},
-};
-
-ENTRYPOINT ModeSpecOpt cow_opts = {countof(opts), opts, countof(vars), vars, NULL};
-
-
-#define BOTTOM 28.0
-
-static void
-reset_floater (ModeInfo *mi, floater *f)
-{
-  cow_configuration *bp = &bps[MI_SCREEN(mi)];
-
-  f->y = -BOTTOM;
-  f->x = f->ix;
-  f->z = f->iz;
-
-  /* Yes, I know I'm varying the force of gravity instead of varying the
-     launch velocity.  That's intentional: empirical studies indicate
-     that it's way, way funnier that way. */
-
-  f->dy = 5.0;
-  f->dx = 0;
-  f->dz = 0;
-
-  /* -0.18 max  -0.3 top -0.4 middle  -0.6 bottom */
-  f->ddy = speed * (-0.6 + BELLRAND(0.45));
-  f->ddx = 0;
-  f->ddz = 0;
-
-  f->spinner_p = !(random() % (12 * bp->nfloaters));
-
-  if (! (random() % (30 * bp->nfloaters)))
-    {
-      f->dx = BELLRAND(1.8) * RANDSIGN();
-      f->dz = BELLRAND(1.8) * RANDSIGN();
-    }
-}
-
-
-static void
-tick_floater (ModeInfo *mi, floater *f)
-{
-  cow_configuration *bp = &bps[MI_SCREEN(mi)];
-
-  if (bp->button_down_p) return;
-
-  f->dx += f->ddx;
-  f->dy += f->ddy;
-  f->dz += f->ddz;
-
-  f->x += f->dx * speed;
-  f->y += f->dy * speed;
-  f->z += f->dz * speed;
-
-  if (f->y < -BOTTOM ||
-      f->x < -BOTTOM*8 || f->x > BOTTOM*8 ||
-      f->z < -BOTTOM*8 || f->z > BOTTOM*8)
-    reset_floater (mi, f);
-}
-
-
-/* Window management, etc
- */
-ENTRYPOINT void
-reshape_cow (ModeInfo *mi, int width, int height)
-{
-  GLfloat h = (GLfloat) height / (GLfloat) width;
-  int y = 0;
-
-  if (width > height * 5) {   /* tiny window: show middle */
-    height = width * 9/16;
-    y = -height/2;
-    h = height / (GLfloat) width;
-  }
-
-  glViewport (0, y, (GLint) width, (GLint) height);
-
-  glMatrixMode(GL_PROJECTION);
-  glLoadIdentity();
-  gluPerspective (30.0, 1/h, 1.0, 100);
-
-  glMatrixMode(GL_MODELVIEW);
-  glLoadIdentity();
-  gluLookAt( 0.0, 0.0, 30.0,
-             0.0, 0.0, 0.0,
-             0.0, 1.0, 0.0);
-
-  glClear(GL_COLOR_BUFFER_BIT);
-}
-
-
-ENTRYPOINT Bool
-cow_handle_event (ModeInfo *mi, XEvent *event)
-{
-  cow_configuration *bp = &bps[MI_SCREEN(mi)];
-
-  if (gltrackball_event_handler (event, bp->trackball,
-                                 MI_WIDTH (mi), MI_HEIGHT (mi),
-                                 &bp->button_down_p))
-    return True;
-
-  return False;
-}
-
-
-/* Textures
- */
-
-static void
-load_texture (ModeInfo *mi, const char *filename)
-{
-  cow_configuration *bp = &bps[MI_SCREEN(mi)];
-  Display *dpy = mi->dpy;
-  Visual *visual = mi->xgwa.visual;
-  char buf[1024];
-  XImage *image;
-
-  bp->texture = 0;
-  if (MI_IS_WIREFRAME(mi))
-    return;
-
-  if (!filename ||
-      !*filename ||
-      !strcasecmp (filename, "(none)"))
-    {
-      glDisable (GL_TEXTURE_2D);
-      return;
-    }
-
-  image = file_to_ximage (dpy, visual, filename);
-  if (!image) return;
-
-  clear_gl_error();
-  glGenTextures (1, &bp->texture);
-  glBindTexture (GL_TEXTURE_2D, bp->texture);
-  glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA,
-                image->width, image->height, 0,
-                GL_RGBA, GL_UNSIGNED_BYTE, image->data);
-  sprintf (buf, "texture: %.100s (%dx%d)",
-           filename, image->width, image->height);
-  check_gl_error(buf);
-
-  glPixelStorei (GL_UNPACK_ALIGNMENT, 4);
-  glPixelStorei (GL_UNPACK_ROW_LENGTH, image->width);
-}
-
-
-static void
-render_cow (ModeInfo *mi, GLfloat ratio)
-{
-  cow_configuration *bp = &bps[MI_SCREEN(mi)];
-  int wire = MI_IS_WIREFRAME(mi);
-  int i;
-  if (! bp->dlists)
-    bp->dlists = (GLuint *) calloc (countof(all_objs)+1, sizeof(GLuint));
-  for (i = 0; i < countof(all_objs); i++)
-    {
-      if (bp->dlists[i])
-        glDeleteLists (bp->dlists[i], 1);
-      bp->dlists[i] = glGenLists (1);
-    }
-
-  for (i = 0; i < countof(all_objs); i++)
-    {
-      GLfloat black[4] = {0, 0, 0, 1};
-      const struct gllist *gll = *all_objs[i];
-
-      glNewList (bp->dlists[i], GL_COMPILE);
-
-      glDisable (GL_TEXTURE_2D);
-
-      if (i == HIDE)
-        {
-          GLfloat color[4] = {0.63, 0.43, 0.36, 1.00};
-          if (bp->texture)
-            {
-              /* if we have a texture, make the base color be white. */
-              color[0] = color[1] = color[2] = 1.0;
-
-              glTexGeni (GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
-              glTexGeni (GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
-              glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-              glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_CLAMP_TO_EDGE);
-              glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_CLAMP_TO_EDGE);
-              glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-              glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-              glEnable(GL_TEXTURE_GEN_S);
-              glEnable(GL_TEXTURE_GEN_T);
-              glEnable(GL_TEXTURE_2D);
-
-              /* approximately line it up with ../images/earth.png */
-              glMatrixMode (GL_TEXTURE);
-              glLoadIdentity();
-              glTranslatef (0.45, 0.58, 0);
-              glScalef (0.08, 0.16, 1);
-              glRotatef (-5, 0, 0, 1);
-              glMatrixMode (GL_MODELVIEW);
-            }
-          glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
-          glMaterialfv (GL_FRONT_AND_BACK, GL_SPECULAR,            black);
-          glMaterialf  (GL_FRONT_AND_BACK, GL_SHININESS,           128); 
-       }
-      else if (i == TAIL)
-        {
-          GLfloat color[4] = {0.63, 0.43, 0.36, 1.00};
-          glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
-          glMaterialfv (GL_FRONT_AND_BACK, GL_SPECULAR,            black);
-          glMaterialf  (GL_FRONT_AND_BACK, GL_SHININESS,           128);
-        }
-      else if (i == UDDER)
-        {
-          GLfloat color[4] = {1.00, 0.53, 0.53, 1.00};
-          glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
-          glMaterialfv (GL_FRONT_AND_BACK, GL_SPECULAR,            black);
-          glMaterialf  (GL_FRONT_AND_BACK, GL_SHININESS,           128);
-        }
-      else if (i == HOOFS || i == HORNS)
-        {
-          GLfloat color[4] = {0.20, 0.20, 0.20, 1.00};
-          GLfloat spec[4]  = {0.30, 0.30, 0.30, 1.00};
-          GLfloat shiny    = 8.0;
-          glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
-          glMaterialfv (GL_FRONT_AND_BACK, GL_SPECULAR,            spec);
-          glMaterialf  (GL_FRONT_AND_BACK, GL_SHININESS,           shiny);
-        }
-      else if (i == FACE)
-        {
-          GLfloat color[4] = {0.10, 0.10, 0.10, 1.00};
-          GLfloat spec[4]  = {0.10, 0.10, 0.10, 1.00};
-          GLfloat shiny    = 8.0;
-          glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
-          glMaterialfv (GL_FRONT_AND_BACK, GL_SPECULAR,            spec);
-          glMaterialf  (GL_FRONT_AND_BACK, GL_SHININESS,           shiny);
-        }
-      else
-        {
-          GLfloat color[4] = {1.00, 1.00, 1.00, 1.00};
-          GLfloat spec[4]  = {1.00, 1.00, 1.00, 1.00};
-          GLfloat shiny    = 128.0;
-          glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
-          glMaterialfv (GL_FRONT_AND_BACK, GL_SPECULAR,            spec);
-          glMaterialf  (GL_FRONT_AND_BACK, GL_SHININESS,           shiny);
-        }
-
-      if (ratio == 0)
-        renderList (gll, wire);
-      else
-        {
-          /* Transition between a physics cow (cow-shaped) and a 
-             mathematical cow (spherical).
-           */
-          struct gllist *gll2 = (struct gllist *) malloc (sizeof(*gll2));
-          GLfloat *p = (GLfloat *) malloc (gll->points * 6 * sizeof(*p));
-          GLfloat scale2 = 0.5 + (0.5 * (1-ratio));
-          const GLfloat *pin  = (GLfloat *) gll->data;
-          GLfloat *pout = p;
-          int j;
-          GLfloat scale = 10.46;
-
-          memcpy (gll2, gll, sizeof(*gll2));
-          gll2->next = 0;
-          gll2->data = p;
-
-          for (j = 0; j < gll2->points; j++)
-            {
-              const GLfloat *ppi;
-              GLfloat *ppo, d;
-              int k;
-              switch (gll2->format) {
-              case GL_N3F_V3F:
-
-                /* Verts transition from cow-shaped to the surface of
-                   the enclosing sphere. */
-                ppi = &pin[3];
-                ppo = &pout[3];
-                d = sqrt (ppi[0]*ppi[0] + ppi[1]*ppi[1] + ppi[2]*ppi[2]);
-                for (k = 0; k < 3; k++)
-                  {
-                    GLfloat min = ppi[k];
-                    GLfloat max = ppi[k] / d * scale;
-                    ppo[k] = (min + ratio * (max - min)) * scale2;
-                  }
-
-                /* Normals are the ratio between original normals and
-                   the radial coordinates. */
-                ppi = &pin[0];
-                ppo = &pout[0];
-                for (k = 0; k < 3; k++)
-                  {
-                    GLfloat min = ppi[k];
-                    GLfloat max = ppi[k] / d;
-                    ppo[k] = (min + ratio * (max - min));
-                  }
-
-                pin  += 6;
-                pout += 6;
-                break;
-              default: abort(); break; /* write me */
-              }
-            }
-
-          renderList (gll2, wire);
-          free (gll2);
-          free (p);
-        }
-
-      glEndList ();
-    }
-}
-
-
-ENTRYPOINT void
-init_cow (ModeInfo *mi)
-{
-  cow_configuration *bp;
-  int wire = MI_IS_WIREFRAME(mi);
-  int i;
-
-  MI_INIT (mi, bps);
-
-  bp = &bps[MI_SCREEN(mi)];
-
-  bp->glx_context = init_GL(mi);
-
-  reshape_cow (mi, MI_WIDTH(mi), MI_HEIGHT(mi));
-
-  glShadeModel(GL_SMOOTH);
-
-  glEnable(GL_DEPTH_TEST);
-  glEnable(GL_NORMALIZE);
-  glEnable(GL_CULL_FACE);
-
-  if (!wire)
-    {
-      GLfloat pos[4] = {0.4, 0.2, 0.4, 0.0};
-/*      GLfloat amb[4] = {0.0, 0.0, 0.0, 1.0};*/
-      GLfloat amb[4] = {0.2, 0.2, 0.2, 1.0};
-      GLfloat dif[4] = {1.0, 1.0, 1.0, 1.0};
-      GLfloat spc[4] = {1.0, 1.0, 1.0, 1.0};
-
-      glEnable(GL_LIGHTING);
-      glEnable(GL_LIGHT0);
-      glEnable(GL_DEPTH_TEST);
-      glEnable(GL_CULL_FACE);
-
-      glLightfv(GL_LIGHT0, GL_POSITION, pos);
-      glLightfv(GL_LIGHT0, GL_AMBIENT,  amb);
-      glLightfv(GL_LIGHT0, GL_DIFFUSE,  dif);
-      glLightfv(GL_LIGHT0, GL_SPECULAR, spc);
-    }
-
-  bp->trackball = gltrackball_init (False);
-
-  load_texture (mi, do_texture);
-
-  bp->ratio = 0;
-  render_cow (mi, bp->ratio);
-
-  bp->mode = BOUNCE;
-  bp->nfloaters = MI_COUNT (mi);
-  bp->floaters = (floater *) calloc (bp->nfloaters, sizeof (floater));
-
-  for (i = 0; i < bp->nfloaters; i++)
-    {
-      floater *f = &bp->floaters[i];
-      f->rot = make_rotator (10.0, 0, 0,
-                             4, 0.05 * speed,
-                             True);
-      if (bp->nfloaters == 2)
-        {
-          f->x = (i ? 6 : -6);
-        }
-      else if (i != 0)
-        {
-          double th = (i - 1) * M_PI*2 / (bp->nfloaters-1);
-          double r = 10;
-          f->x = r * cos(th);
-          f->z = r * sin(th);
-        }
-
-      f->ix = f->x;
-      f->iy = f->y;
-      f->iz = f->z;
-      reset_floater (mi, f);
-    }
-}
-
-
-static void
-draw_floater (ModeInfo *mi, floater *f)
-{
-  cow_configuration *bp = &bps[MI_SCREEN(mi)];
-  GLfloat n;
-  double x, y, z;
-
-  get_position (f->rot, &x, &y, &z, !bp->button_down_p);
-
-  glPushMatrix();
-  glTranslatef (f->x, f->y, f->z);
-
-  gltrackball_rotate (bp->trackball);
-
-  glRotatef (y * 360, 0.0, 1.0, 0.0);
-  if (f->spinner_p)
-    {
-      glRotatef (x * 360, 1.0, 0.0, 0.0);
-      glRotatef (z * 360, 0.0, 0.0, 1.0);
-    }
-
-  n = 1.5;
-  if      (bp->nfloaters > 99) n *= 0.05;
-  else if (bp->nfloaters > 25) n *= 0.18;
-  else if (bp->nfloaters > 9)  n *= 0.3;
-  else if (bp->nfloaters > 1)  n *= 0.7;
-  glScalef(n, n, n);
-
-  glCallList (bp->dlists[FACE]);
-  mi->polygon_count += (*all_objs[FACE])->points / 3;
-
-  glCallList (bp->dlists[HIDE]);
-  mi->polygon_count += (*all_objs[HIDE])->points / 3;
-
-  glCallList (bp->dlists[HOOFS]);
-  mi->polygon_count += (*all_objs[HOOFS])->points / 3;
-
-  glCallList (bp->dlists[HORNS]);
-  mi->polygon_count += (*all_objs[HORNS])->points / 3;
-
-  glCallList (bp->dlists[TAIL]);
-  mi->polygon_count += (*all_objs[TAIL])->points / 3;
-
-  glCallList (bp->dlists[UDDER]);
-  mi->polygon_count += (*all_objs[UDDER])->points / 3;
-
-  glPopMatrix();
-}
-
-
-
-ENTRYPOINT void
-draw_cow (ModeInfo *mi)
-{
-  cow_configuration *bp = &bps[MI_SCREEN(mi)];
-  Display *dpy = MI_DISPLAY(mi);
-  Window window = MI_WINDOW(mi);
-  int i;
-
-  if (!bp->glx_context)
-    return;
-
-  glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *bp->glx_context);
-
-  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-  glPushMatrix ();
-
-  {
-    GLfloat s = (MI_WIDTH(mi) < MI_HEIGHT(mi)
-                 ? (MI_WIDTH(mi) / (GLfloat) MI_HEIGHT(mi))
-                 : 1);
-    glRotatef(current_device_rotation(), 0, 0, 1);
-    glScalef (s, s, s);
-  }
-
-  glScalef (0.5, 0.5, 0.5);
-
-  mi->polygon_count = 0;
-
-  if (mathematical)
-    {
-      switch (bp->mode) {
-      case BOUNCE:
-        if (bp->ratio == 0 && !(random() % 400))
-          bp->mode = INFLATE;
-        else if (bp->ratio > 0 && !(random() % 2000))
-          bp->mode = DEFLATE;
-        break;
-      case INFLATE:
-        bp->ratio += 0.01;
-        if (bp->ratio >= 1)
-          {
-            bp->ratio = 1;
-            bp->mode = BOUNCE;
-          }
-        break;
-      case DEFLATE:
-        bp->ratio -= 0.01;
-        if (bp->ratio <= 0)
-          {
-            bp->ratio = 0;
-            bp->mode = BOUNCE;
-          }
-        break;
-      default:
-        abort();
-      }
-
-      if (bp->ratio > 0)
-        render_cow (mi, bp->ratio);
-    }
-
-# if 0
-  {
-    floater F;
-    F.x = F.y = F.z = 0;
-    F.dx = F.dy = F.dz = 0;
-    F.ddx = F.ddy = F.ddz = 0;
-    F.rot = make_rotator (0, 0, 0, 1, 0, False);
-    glScalef(2,2,2);
-    draw_floater (mi, &F);
-  }
-# else
-  for (i = 0; i < bp->nfloaters; i++)
-    {
-      /* "Don't kid yourself, Jimmy.  If a cow ever got the chance,
-         he'd eat you and everyone you care about!"
-             -- Troy McClure in "Meat and You: Partners in Freedom"
-       */
-      floater *f = &bp->floaters[i];
-      draw_floater (mi, f);
-      tick_floater (mi, f);
-    }
-# endif
-
-  glPopMatrix ();
-
-  if (mi->fps_p) do_fps (mi);
-  glFinish();
-
-  glXSwapBuffers(dpy, window);
-}
-
-
-ENTRYPOINT void
-free_cow (ModeInfo *mi)
-{
-  cow_configuration *bp = &bps[MI_SCREEN(mi)];
-  int i;
-  if (!bp->glx_context) return;
-  glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *bp->glx_context);
-  if (bp->floaters) {
-    for (i = 0; i < bp->nfloaters; i++)
-      free_rotator (bp->floaters[i].rot);
-    free (bp->floaters);
-  }
-  for (i = 0; i < countof(all_objs); i++)
-    if (glIsList(bp->dlists[i])) glDeleteLists(bp->dlists[i], 1);
-  if (bp->trackball) gltrackball_free (bp->trackball);
-  if (bp->dlists) free (bp->dlists);
-}
-
-XSCREENSAVER_MODULE_2 ("BouncingCow", bouncingcow, cow)
-
-#endif /* USE_GL */