-/* polyhedra, Copyright (c) 2004 Jamie Zawinski <jwz@jwz.org>
+/* polyhedra, Copyright (c) 2004-2014 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
* is in "polyhedra.c".
*/
-#include <X11/Intrinsic.h>
-
-extern XtAppContext app;
-
-#define PROGCLASS "Polyhedra"
-#define HACK_INIT init_polyhedra
-#define HACK_DRAW draw_polyhedra
-#define HACK_RESHAPE reshape_polyhedra
-#define HACK_HANDLE_EVENT polyhedra_handle_event
-#define EVENT_MASK PointerMotionMask
-#define sws_opts xlockmore_opts
-
-#define DEF_SPIN "True"
-#define DEF_WANDER "True"
-#define DEF_SPEED "1.0"
-#define DEF_TITLES "True"
-#define DEF_DURATION "12"
-#define DEF_WHICH "-1"
-
#define DEFAULTS "*delay: 30000 \n" \
"*showFPS: False \n" \
"*wireframe: False \n" \
- "*titleFont: -*-times-bold-r-normal-*-180-*\n" \
- "*titleFont2: -*-times-bold-r-normal-*-120-*\n" \
- "*titleFont3: -*-times-bold-r-normal-*-80-*\n" \
+ "*titleFont: -*-helvetica-medium-r-normal-*-140-*\n" \
+ "*titleFont2: -*-helvetica-medium-r-normal-*-100-*\n" \
+ "*titleFont3: -*-helvetica-medium-r-normal-*-80-*\n" \
+# define refresh_polyhedra 0
+# define release_polyhedra 0
#undef countof
#define countof(x) (sizeof((x))/sizeof((*x)))
#include "xlockmore.h"
-#include <GL/glu.h>
+
+#ifdef HAVE_COCOA
+# include "jwxyz.h"
+#else
+# include <X11/Xlib.h>
+# include <GL/gl.h>
+# include <GL/glu.h>
+#endif
+
+#ifdef HAVE_JWZGLES
+# include "jwzgles.h"
+#endif /* HAVE_JWZGLES */
+
+#define DEF_SPIN "True"
+#define DEF_WANDER "True"
+#define DEF_SPEED "1.0"
+#define DEF_TITLES "True"
+#define DEF_DURATION "12"
+#define DEF_WHICH "random"
#include "glxfonts.h"
#include "normals.h"
#include "colors.h"
#include "rotator.h"
#include "gltrackball.h"
-#include <ctype.h>
+#include "teapot.h"
-#ifdef USE_GL /* whole file */
+#ifndef HAVE_COCOA
+# define XK_MISCELLANY
+# include <X11/keysymdef.h>
+#endif
+
+#ifndef HAVE_JWZGLES
+# define HAVE_TESS
+#endif
-#include <GL/glu.h>
+
+#ifdef USE_GL /* whole file */
typedef struct {
GLXContext *glx_context;
int ncolors;
XColor *colors;
- XFontStruct *xfont1, *xfont2, *xfont3;
- GLuint font1_dlist, font2_dlist, font3_dlist;
+ texture_font_data *font1_data, *font2_data, *font3_data;
+
+ time_t last_change_time;
+ int change_tick;
} polyhedra_configuration;
{&do_which_str,"which", "Which", DEF_WHICH, t_String},
};
-ModeSpecOpt sws_opts = {countof(opts), opts, countof(vars), vars, NULL};
+ENTRYPOINT ModeSpecOpt polyhedra_opts = {countof(opts), opts, countof(vars), vars, NULL};
\f
load_fonts (ModeInfo *mi)
{
polyhedra_configuration *bp = &bps[MI_SCREEN(mi)];
- load_font (mi->dpy, "titleFont", &bp->xfont1, &bp->font1_dlist);
- load_font (mi->dpy, "titleFont2", &bp->xfont2, &bp->font2_dlist);
- load_font (mi->dpy, "titleFont3", &bp->xfont3, &bp->font3_dlist);
+ bp->font1_data = load_texture_font (mi->dpy, "titleFont");
+ bp->font2_data = load_texture_font (mi->dpy, "titleFont2");
+ bp->font3_data = load_texture_font (mi->dpy, "titleFont3");
}
{
polyhedra_configuration *bp = &bps[MI_SCREEN(mi)];
const char *s = "Computing polyhedra...";
+ texture_font_data *f = bp->font1_data;
+
glColor3f (0.8, 0.8, 0);
- print_gl_string (mi->dpy, bp->xfont1, bp->font1_dlist,
+ print_gl_string (mi->dpy, bp->font1_data,
mi->xgwa.width, mi->xgwa.height,
- mi->xgwa.width - (string_width (bp->xfont1, s) + 40),
+ mi->xgwa.width - (
+ texture_string_width (f, s, 0)
+ + 40),
mi->xgwa.height - 10,
- s);
+ s, False);
glFinish();
glXSwapBuffers(MI_DISPLAY(mi), MI_WINDOW(mi));
}
*/
static void new_label (ModeInfo *mi);
-void
+ENTRYPOINT void
reshape_polyhedra (ModeInfo *mi, int width, int height)
{
GLfloat h = (GLfloat) height / (GLfloat) width;
}
-Bool
+ENTRYPOINT Bool
polyhedra_handle_event (ModeInfo *mi, XEvent *event)
{
polyhedra_configuration *bp = &bps[MI_SCREEN(mi)];
- if (event->xany.type == ButtonPress &&
- event->xbutton.button == Button1)
- {
- bp->button_down_p = True;
- gltrackball_start (bp->trackball,
- event->xbutton.x, event->xbutton.y,
- MI_WIDTH (mi), MI_HEIGHT (mi));
- return True;
- }
- else if (event->xany.type == ButtonRelease &&
- event->xbutton.button == Button1)
- {
- bp->button_down_p = False;
- return True;
- }
- else if (event->xany.type == ButtonPress &&
- (event->xbutton.button == Button4 ||
- event->xbutton.button == Button5))
- {
- gltrackball_mousewheel (bp->trackball, event->xbutton.button, 10,
- !!event->xbutton.state);
- return True;
- }
+ if (gltrackball_event_handler (event, bp->trackball,
+ MI_WIDTH (mi), MI_HEIGHT (mi),
+ &bp->button_down_p))
+ return True;
else if (event->xany.type == KeyPress)
{
KeySym keysym;
bp->change_to = -1;
if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
bp->change_to = random() % bp->npolyhedra;
- else if (c == '>' || c == '.' || c == '+' || c == '=')
+ else if (c == '>' || c == '.' || c == '+' || c == '=' ||
+ keysym == XK_Right || keysym == XK_Up || keysym == XK_Next)
bp->change_to = (bp->which + 1) % bp->npolyhedra;
else if (c == '<' || c == ',' || c == '-' || c == '_' ||
- c == '\010' || c == '\177')
+ c == '\010' || c == '\177' ||
+ keysym == XK_Left || keysym == XK_Down || keysym == XK_Prior)
bp->change_to = (bp->which + bp->npolyhedra - 1) % bp->npolyhedra;
+ else if (screenhack_event_helper (MI_DISPLAY(mi), MI_WINDOW(mi), event))
+ goto DEF;
if (bp->change_to != -1)
return True;
}
- else if (event->xany.type == MotionNotify &&
- bp->button_down_p)
+ else if (screenhack_event_helper (MI_DISPLAY(mi), MI_WINDOW(mi), event))
{
- gltrackball_track (bp->trackball,
- event->xmotion.x, event->xmotion.y,
- MI_WIDTH (mi), MI_HEIGHT (mi));
+ DEF:
+ bp->change_to = random() % bp->npolyhedra;
return True;
}
p->density, (p->chi < 0 ? "" : " "), p->chi);
{
- XFontStruct *f;
- GLuint fl;
+ GLfloat color[4] = { 0.8, 0.8, 0.8, 1 };
+ texture_font_data *f;
if (MI_WIDTH(mi) >= 500 && MI_HEIGHT(mi) >= 375)
- f = bp->xfont1, fl = bp->font1_dlist; /* big font */
+ f = bp->font1_data;
else if (MI_WIDTH(mi) >= 350 && MI_HEIGHT(mi) >= 260)
- f = bp->xfont2, fl = bp->font2_dlist; /* small font */
+ f = bp->font2_data; /* small font */
else
- f = bp->xfont3, fl = bp->font3_dlist; /* tiny font */
+ f = bp->font3_data; /* tiny font */
- glColor3f (0.8, 0.8, 0);
- print_gl_string (mi->dpy, f, fl,
+ glColor4fv (color);
+ glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
+ print_gl_string (mi->dpy, f,
mi->xgwa.width, mi->xgwa.height,
10, mi->xgwa.height - 10,
- label);
+ label, False);
}
}
glEndList ();
}
+#ifdef HAVE_TESS
static void
tess_error (GLenum errorCode)
{
fprintf (stderr, "%s: tesselation error: %s\n",
progname, gluErrorString(errorCode));
- exit (0);
+ abort();
}
+#endif /* HAVE_TESS */
+
static void
new_polyhedron (ModeInfo *mi)
polyhedra_configuration *bp = &bps[MI_SCREEN(mi)];
polyhedron *p;
int wire = MI_IS_WIREFRAME(mi);
- static GLfloat bcolor[4] = {0.0, 0.0, 0.0, 1.0};
int i;
/* Use the GLU polygon tesselator so that nonconvex faces are displayed
correctly (e.g., for the "pentagrammic concave deltohedron").
*/
+# ifdef HAVE_TESS
GLUtesselator *tobj = gluNewTess();
gluTessCallback (tobj, GLU_TESS_BEGIN, (void (*) (void)) &glBegin);
gluTessCallback (tobj, GLU_TESS_END, (void (*) (void)) &glEnd);
gluTessCallback (tobj, GLU_TESS_VERTEX, (void (*) (void)) &glVertex3dv);
gluTessCallback (tobj, GLU_TESS_ERROR, (void (*) (void)) &tess_error);
+# endif /* HAVE_TESS */
mi->polygon_count = 0;
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
glNewList (bp->object_list, GL_COMPILE);
- for (i = 0; i < p->nfaces; i++)
+ if (bp->which == bp->npolyhedra-1)
{
- int j;
- face *f = &p->faces[i];
-
- if (f->color > 64 || f->color < 0) abort();
+ GLfloat bcolor[4];
+ bcolor[0] = bp->colors[0].red / 65536.0;
+ bcolor[1] = bp->colors[0].green / 65536.0;
+ bcolor[2] = bp->colors[0].blue / 65536.0;
+ bcolor[3] = 1.0;
if (wire)
glColor3f (0, 1, 0);
else
+ glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, bcolor);
+
+ glScalef (0.8, 0.8, 0.8);
+ p->nfaces = unit_teapot (6, wire);
+ p->nedges = p->nfaces * 3 / 2;
+ p->npoints = p->nfaces * 3;
+ p->logical_faces = p->nfaces;
+ p->logical_vertices = p->npoints;
+ }
+ else
+ {
+ glFrontFace (GL_CCW);
+ for (i = 0; i < p->nfaces; i++)
{
- bcolor[0] = bp->colors[f->color].red / 65536.0;
- bcolor[1] = bp->colors[f->color].green / 65536.0;
- bcolor[2] = bp->colors[f->color].blue / 65536.0;
- glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, bcolor);
- }
+ int j;
+ face *f = &p->faces[i];
+
+ if (f->color > 64 || f->color < 0) abort();
+ if (wire)
+ glColor3f (0, 1, 0);
+ else
+ {
+ GLfloat bcolor[4];
+ bcolor[0] = bp->colors[f->color].red / 65536.0;
+ bcolor[1] = bp->colors[f->color].green / 65536.0;
+ bcolor[2] = bp->colors[f->color].blue / 65536.0;
+ bcolor[3] = 1.0;
+ glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, bcolor);
+ }
- kludge_normal (f->npoints, f->points, p->points);
+ kludge_normal (f->npoints, f->points, p->points);
- gluTessBeginPolygon (tobj, 0);
- gluTessBeginContour (tobj);
- for (j = 0; j < f->npoints; j++)
- {
- point *pp = &p->points[f->points[j]];
- gluTessVertex (tobj, &pp->x, &pp->x);
+# ifdef HAVE_TESS
+ gluTessBeginPolygon (tobj, 0);
+ gluTessBeginContour (tobj);
+ for (j = 0; j < f->npoints; j++)
+ {
+ point *pp = &p->points[f->points[j]];
+ gluTessVertex (tobj, &pp->x, &pp->x);
+ }
+ gluTessEndContour (tobj);
+ gluTessEndPolygon (tobj);
+# else /* !HAVE_TESS */
+ glBegin (wire ? GL_LINE_LOOP :
+ f->npoints == 3 ? GL_TRIANGLES :
+ f->npoints == 4 ? GL_QUADS :
+ GL_POLYGON);
+ for (j = 0; j < f->npoints; j++)
+ {
+ point *pp = &p->points[f->points[j]];
+ glVertex3f (pp->x, pp->y, pp->z);
+ }
+ glEnd();
+# endif /* !HAVE_TESS */
}
- gluTessEndContour (tobj);
- gluTessEndPolygon (tobj);
}
glEndList ();
mi->polygon_count += p->nfaces;
+# ifdef HAVE_TESS
gluDeleteTess (tobj);
+# endif
+}
+
+
+static void
+construct_teapot (ModeInfo *mi)
+{
+ polyhedra_configuration *bp = &bps[MI_SCREEN(mi)];
+ int n = bp->npolyhedra-1;
+ polyhedron *p = (polyhedron *) calloc (1, sizeof(*p));
+ p->number = n;
+ p->wythoff = strdup("X00398|1984");
+ p->name = strdup("Teapot");
+ p->dual = strdup("");
+ p->config = strdup("Melitta");
+ p->group = strdup("Teapotahedral (Newell[1975])");
+ p->class = strdup("Utah Teapotahedron");
+ bp->polyhedra[n] = p;
}
-void
+ENTRYPOINT void
init_polyhedra (ModeInfo *mi)
{
polyhedra_configuration *bp;
int wire = MI_IS_WIREFRAME(mi);
+# ifdef HAVE_JWZGLES /* #### glPolygonMode other than GL_FILL unimplemented */
+ MI_IS_WIREFRAME(mi) = 0;
+ wire = 0;
+# endif
+
if (!bps) {
bps = (polyhedra_configuration *)
calloc (MI_NUM_SCREENS(mi), sizeof (polyhedra_configuration));
fprintf(stderr, "%s: out of memory\n", progname);
exit(1);
}
-
- bp = &bps[MI_SCREEN(mi)];
}
bp = &bps[MI_SCREEN(mi)];
load_fonts (mi);
startup_blurb (mi);
- reshape_polyhedra (mi, MI_WIDTH(mi), MI_HEIGHT(mi));
-
if (!wire)
{
GLfloat pos[4] = {1.0, 1.0, 1.0, 0.0};
spin_accel,
do_wander ? wander_speed : 0,
True);
- bp->trackball = gltrackball_init ();
+ bp->trackball = gltrackball_init (True);
}
bp->npolyhedra = construct_polyhedra (&bp->polyhedra);
+ construct_teapot (mi);
bp->object_list = glGenLists (1);
bp->title_list = glGenLists (1);
int x;
char c;
do_which = -1;
- if (1 == sscanf (do_which_str, " %d %c", &x, &c))
- do_which = x;
+ if (!strcasecmp (do_which_str, "random"))
+ ;
+ else if (1 == sscanf (do_which_str, " %d %c", &x, &c))
+ {
+ if (x >= 0 && x < bp->npolyhedra)
+ do_which = x;
+ else
+ fprintf (stderr,
+ "%s: polyhedron %d does not exist: there are only %d.\n",
+ progname, x, bp->npolyhedra-1);
+ }
else if (*do_which_str)
{
char *s;
for (x = 0; x < bp->npolyhedra; x++)
if (!strcasecmp (do_which_str, bp->polyhedra[x]->name) ||
+ !strcasecmp (do_which_str, bp->polyhedra[x]->class) ||
!strcasecmp (do_which_str, bp->polyhedra[x]->wythoff) ||
!strcasecmp (do_which_str, bp->polyhedra[x]->config))
{
}
new_polyhedron (mi);
+ reshape_polyhedra (mi, MI_WIDTH(mi), MI_HEIGHT(mi));
+ clear_gl_error(); /* WTF? sometimes "invalid op" from glViewport! */
+
}
-void
+ENTRYPOINT void
draw_polyhedra (ModeInfo *mi)
{
polyhedra_configuration *bp = &bps[MI_SCREEN(mi)];
Display *dpy = MI_DISPLAY(mi);
Window window = MI_WINDOW(mi);
- static time_t last_time = 0;
-
- static GLfloat bspec[4] = {1.0, 1.0, 1.0, 1.0};
- static GLfloat bshiny = 128.0;
+ static const GLfloat bspec[4] = {1.0, 1.0, 1.0, 1.0};
+ GLfloat bshiny = 128.0;
if (!bp->glx_context)
return;
+ glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *(bp->glx_context));
+
if (bp->mode == 0 && do_which >= 0 && bp->change_to < 0)
;
else if (bp->mode == 0)
{
- static int tick = 0;
-
if (bp->change_to >= 0)
- tick = 999, last_time = 1;
- if (tick++ > 10)
+ bp->change_tick = 999, bp->last_change_time = 1;
+ if (bp->change_tick++ > 10)
{
time_t now = time((time_t *) 0);
- if (last_time == 0) last_time = now;
- tick = 0;
- if (!bp->button_down_p && now - last_time >= duration)
+ if (bp->last_change_time == 0) bp->last_change_time = now;
+ bp->change_tick = 0;
+ if (!bp->button_down_p && now - bp->last_change_time >= duration)
{
bp->mode = 1; /* go out */
bp->mode_tick = 20 * speed;
- last_time = now;
+ bp->last_change_time = now;
}
}
}
glXSwapBuffers(dpy, window);
}
+XSCREENSAVER_MODULE ("Polyhedra", polyhedra)
+
#endif /* USE_GL */
projects / xscreensaver / blobdiff