-/* xscreensaver, Copyright (c) 2002, 2004 Jamie Zawinski <jwz@jwz.org>
+/* xscreensaver, Copyright (c) 2002-2012 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
* surfaces would be too hard.
*/
-#include <X11/Intrinsic.h>
-
-extern XtAppContext app;
-
-#define PROGCLASS "Spheremonics"
-#define HACK_INIT init_spheremonics
-#define HACK_DRAW draw_spheremonics
-#define HACK_RESHAPE reshape_spheremonics
-#define HACK_HANDLE_EVENT spheremonics_handle_event
-#define EVENT_MASK PointerMotionMask
-#define ccs_opts xlockmore_opts
-
-#define DEF_DURATION "100"
-#define DEF_SPIN "XYZ"
-#define DEF_WANDER "False"
-#define DEF_RESOLUTION "64"
-#define DEF_BBOX "False"
-#define DEF_GRID "True"
-#define DEF_SMOOTH "True"
-#define DEF_PARMS "(default)"
-
-#define DEFAULTS "*delay: 30000 \n" \
- "*resolution: " DEF_RESOLUTION "\n" \
- "*showFPS: False \n" \
- "*wireframe: False \n" \
- "*duration: " DEF_DURATION "\n" \
- "*spin: " DEF_SPIN "\n" \
- "*wander: " DEF_WANDER "\n" \
- "*bbox: " DEF_BBOX "\n" \
- "*grid: " DEF_GRID "\n" \
- "*smooth: " DEF_SMOOTH "\n" \
- "*parameters: " DEF_PARMS "\n" \
+#define DEFAULTS "*delay: 30000 \n" \
+ "*showFPS: False \n" \
+ "*wireframe: False \n" \
+ "*labelfont: -*-helvetica-medium-r-normal-*-180-*\n"
+# define refresh_spheremonics 0
+# define release_spheremonics 0
#undef countof
#define countof(x) (sizeof((x))/sizeof((*x)))
#ifdef USE_GL /* whole file */
-#include <GL/glu.h>
+#define DEF_DURATION "100"
+#define DEF_SPIN "XYZ"
+#define DEF_WANDER "False"
+#define DEF_RESOLUTION "64"
+#define DEF_BBOX "False"
+#define DEF_GRID "True"
+#define DEF_SMOOTH "True"
+#define DEF_PARMS "(default)"
typedef struct {
GLXContext *glx_context;
int mesher;
int polys1, polys2; /* polygon counts */
+# ifdef HAVE_GLBITMAP
XFontStruct *font;
GLuint font_list;
+# else
+ texture_font_data *font_data;
+# endif
+
int change_tick;
+ int done_once;
} spheremonics_configuration;
{&static_parms, "parameters", "Parameters", DEF_PARMS, t_String},
};
-ModeSpecOpt ccs_opts = {countof(opts), opts, countof(vars), vars, NULL};
+ENTRYPOINT ModeSpecOpt spheremonics_opts = {countof(opts), opts, countof(vars), vars, NULL};
/* Window management, etc
*/
-void
+ENTRYPOINT void
reshape_spheremonics (ModeInfo *mi, int width, int height)
{
GLfloat h = (GLfloat) height / (GLfloat) width;
/* spheremonics_configuration *cc = &ccs[MI_SCREEN(mi)]; */
int wire = MI_IS_WIREFRAME(mi);
- static GLfloat pos[4] = {5.0, 5.0, 10.0, 1.0};
+ static const GLfloat pos[4] = {5.0, 5.0, 10.0, 1.0};
glEnable(GL_NORMALIZE);
lighting effect.
*/
glDisable(GL_CULL_FACE);
- glLightModeli (GL_LIGHT_MODEL_TWO_SIDE, TRUE);
+ glLightModeli (GL_LIGHT_MODEL_TWO_SIDE, True);
+ }
+
+ if (smooth_p)
+ {
+ glEnable (GL_LINE_SMOOTH);
+ glHint (GL_LINE_SMOOTH_HINT, GL_NICEST);
+ glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ glEnable (GL_BLEND);
}
}
static void
draw_bounding_box (ModeInfo *mi)
{
- spheremonics_configuration *cc = &ccs[MI_SCREEN(mi)];
+ /* spheremonics_configuration *cc = &ccs[MI_SCREEN(mi)]; */
- static GLfloat c1[4] = { 0.2, 0.2, 0.6, 1.0 };
- static GLfloat c2[4] = { 1.0, 0.0, 0.0, 1.0 };
+ static const GLfloat c1[4] = { 0.2, 0.2, 0.6, 1.0 };
+ static const GLfloat c2[4] = { 1.0, 0.0, 0.0, 1.0 };
int wire = MI_IS_WIREFRAME(mi);
- GLfloat x1 = cc->bbox[0].x;
- GLfloat y1 = cc->bbox[0].y;
- GLfloat z1 = cc->bbox[0].z;
- GLfloat x2 = cc->bbox[1].x;
- GLfloat y2 = cc->bbox[1].y;
- GLfloat z2 = cc->bbox[1].z;
+ GLfloat x1,y1,z1,x2,y2,z2;
-#if 1
+# if 0
+ x1 = cc->bbox[0].x;
+ y1 = cc->bbox[0].y;
+ z1 = cc->bbox[0].z;
+ x2 = cc->bbox[1].x;
+ y2 = cc->bbox[1].y;
+ z2 = cc->bbox[1].z;
+# else
x1 = y1 = z1 = -0.5;
x2 = y2 = z2 = 0.5;
-#endif
+# endif
if (do_bbox && !wire)
{
glMaterialfv (GL_FRONT, GL_AMBIENT_AND_DIFFUSE, c1);
glFrontFace(GL_CCW);
+ glEnable(GL_CULL_FACE);
glBegin(wire ? GL_LINE_LOOP : GL_QUADS);
glNormal3f(0, 1, 0);
glVertex3f(x2, y1, z1); glVertex3f(x2, y1, z2);
glVertex3f(x2, y2, z2); glVertex3f(x2, y2, z1);
glEnd();
+ glDisable(GL_CULL_FACE);
}
- glPushAttrib (GL_LIGHTING);
- glDisable (GL_LIGHTING);
-
- glColor3f (c2[0], c2[1], c2[2]);
-
if (do_grid)
{
+ glDisable (GL_LIGHTING);
+ glColor3f (c2[0], c2[1], c2[2]);
glPushMatrix();
glBegin(GL_LINES);
glVertex3f(0, -0.66, 0);
}
else
{
+#if 0
glBegin(GL_LINES);
if (x1 > 0) x1 = 0; if (x2 < 0) x2 = 0;
if (y1 > 0) y1 = 0; if (y2 < 0) y2 = 0;
glVertex3f(0 , y1, 0); glVertex3f(0, y2, 0);
glVertex3f(0, 0, z1); glVertex3f(0, 0, z2);
glEnd();
+#endif
}
-
- glPopAttrib();
}
if (s > 0.001)
{
- static GLfloat c[4] = { 0.6, 0.5, 1.0, 1.0 };
+ static const GLfloat c[4] = { 0.6, 0.5, 1.0, 1.0 };
- glPushAttrib (GL_LIGHTING);
glDisable (GL_LIGHTING);
glPushMatrix();
draw_circle (mi, False);
glPopMatrix();
- glPopAttrib();
+ if (! MI_IS_WIREFRAME(mi)) glEnable (GL_LIGHTING);
}
cc->tracer += 5;
tweak_parameters (mi);
- {
- static Bool done = False;
- if (!done || (0 == (random() % 20)))
- {
- init_colors (mi);
- done = True;
- }
- }
+ if (!cc->done_once || (0 == (random() % 20)))
+ {
+ init_colors (mi);
+ cc->done_once = True;
+ }
{
glNewList(cc->dlist, GL_COMPILE);
glEndList();
glNewList(cc->dlist2, GL_COMPILE);
- glPushAttrib (GL_LIGHTING);
- glDisable (GL_LIGHTING);
glPushMatrix();
glScalef (1.05, 1.05, 1.05);
cc->polys2 = unit_spheremonics (mi, cc->resolution, 2, cc->m, cc->colors);
glPopMatrix();
- glPopAttrib();
glEndList();
}
}
\f
-void
+ENTRYPOINT void
init_spheremonics (ModeInfo *mi)
{
spheremonics_configuration *cc;
fprintf(stderr, "%s: out of memory\n", progname);
exit(1);
}
-
- cc = &ccs[MI_SCREEN(mi)];
}
cc = &ccs[MI_SCREEN(mi)];
reshape_spheremonics (mi, MI_WIDTH(mi), MI_HEIGHT(mi));
}
- if (smooth_p)
- {
- glEnable (GL_LINE_SMOOTH);
- glHint (GL_LINE_SMOOTH_HINT, GL_NICEST);
- glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- glEnable (GL_BLEND);
- }
-
{
Bool spinx=False, spiny=False, spinz=False;
double spin_speed = 1.0;
if (*s == 'x' || *s == 'X') spinx = True;
else if (*s == 'y' || *s == 'Y') spiny = True;
else if (*s == 'z' || *s == 'Z') spinz = True;
+ else if (*s == '0') ;
else
{
fprintf (stderr,
cc->resolution = res;
+# ifdef HAVE_GLBITMAP
load_font (mi->dpy, "labelfont", &cc->font, &cc->font_list);
+# else /* !HAVE_GLBITMAP */
+ cc->font_data = load_texture_font (mi->dpy, "labelFont");
+# endif /* !HAVE_GLBITMAP */
cc->dlist = glGenLists(1);
cc->dlist2 = glGenLists(1);
}
-Bool
+ENTRYPOINT Bool
spheremonics_handle_event (ModeInfo *mi, XEvent *event)
{
spheremonics_configuration *cc = &ccs[MI_SCREEN(mi)];
}
else if (event->xany.type == ButtonPress &&
(event->xbutton.button == Button4 ||
- event->xbutton.button == Button5))
+ event->xbutton.button == Button5 ||
+ event->xbutton.button == Button6 ||
+ event->xbutton.button == Button7))
{
gltrackball_mousewheel (cc->trackball, event->xbutton.button, 10,
!!event->xbutton.state);
}
-void
+ENTRYPOINT void
draw_spheremonics (ModeInfo *mi)
{
spheremonics_configuration *cc = &ccs[MI_SCREEN(mi)];
if (!cc->glx_context)
return;
+ glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *(cc->glx_context));
+
+ gl_init(mi);
+
glShadeModel(GL_SMOOTH);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
(y - 0.5) * 6,
(z - 0.5) * 8);
+ /* Do it twice because we don't track the device's orientation. */
+ glRotatef( current_device_rotation(), 0, 0, 1);
gltrackball_rotate (cc->trackball);
+ glRotatef(-current_device_rotation(), 0, 0, 1);
get_rotation (cc->rot, &x, &y, &z, !cc->button_down_p);
glRotatef (x * 360, 1.0, 0.0, 0.0);
glCallList (cc->dlist);
mi->polygon_count += cc->polys1;
- if (cc->mesher >= 0 /* || mouse_p */)
+ if (cc->mesher >= 0 /* || cc->button_down_p */)
{
+ glDisable (GL_LIGHTING);
glCallList (cc->dlist2);
mi->polygon_count += cc->polys2;
if (cc->mesher >= 0)
cc->m[4], cc->m[5], cc->m[6], cc->m[7]);
glColor3f(1.0, 1.0, 0.0);
- print_gl_string (mi->dpy, cc->font, cc->font_list,
+ print_gl_string (mi->dpy,
+# ifdef HAVE_GLBITMAP
+ cc->font, cc->font_list,
+# else /* !HAVE_GLBITMAP */
+ cc->font_data,
+# endif /* !HAVE_GLBITMAP */
mi->xgwa.width, mi->xgwa.height,
10, mi->xgwa.height - 10,
- buf);
+ buf, False);
}
if (!static_parms)
glXSwapBuffers(dpy, window);
}
+XSCREENSAVER_MODULE ("Spheremonics", spheremonics)
+
#endif /* USE_GL */