-/* pinion, Copyright (c) 2004 Jamie Zawinski <jwz@jwz.org>
+/* pinion, Copyright (c) 2004-2006 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
* implied warranty.
*/
-#include <X11/Intrinsic.h>
-
-extern XtAppContext app;
-
-#define PROGCLASS "Pinion"
-#define HACK_INIT init_pinion
-#define HACK_DRAW draw_pinion
-#define HACK_RESHAPE reshape_pinion
-#define HACK_HANDLE_EVENT pinion_handle_event
-#define EVENT_MASK PointerMotionMask
-#define sws_opts xlockmore_opts
-
-#define DEF_SPIN_SPEED "1.0"
-#define DEF_SCROLL_SPEED "1.0"
-#define DEF_GEAR_SIZE "1.0"
-#define DEF_MAX_RPM "900"
-
#define DEFAULTS "*delay: 15000 \n" \
"*showFPS: False \n" \
"*wireframe: False \n" \
"*titleFont2: -*-times-bold-r-normal-*-120-*\n" \
"*titleFont3: -*-times-bold-r-normal-*-80-*\n" \
+# define refresh_pinion 0
+# define release_pinion 0
#undef countof
#define countof(x) (sizeof((x))/sizeof((*x)))
#ifdef USE_GL /* whole file */
-#include <GL/glu.h>
+#define DEF_SPIN_SPEED "1.0"
+#define DEF_SCROLL_SPEED "1.0"
+#define DEF_GEAR_SIZE "1.0"
+#define DEF_MAX_RPM "900"
typedef struct {
unsigned long id; /* unique name */
XFontStruct *xfont1, *xfont2, *xfont3;
GLuint font1_dlist, font2_dlist, font3_dlist;
GLuint title_list;
+ int draw_tick;
+
+ GLfloat plane_displacement; /* distance between coaxial gears */
+
+ int debug_size_failures; /* for debugging messages */
+ int debug_position_failures;
+ unsigned long current_length; /* gear count in current train */
+ unsigned long current_blur_length; /* how long have we been blurring? */
} pinion_configuration;
static pinion_configuration *pps = NULL;
-static GLfloat spin_speed, scroll_speed, max_rpm, gear_size;
-static GLfloat plane_displacement = 0.1; /* distance between coaxial gears */
+
+/* command line arguments */
+static GLfloat spin_speed, scroll_speed, gear_size, max_rpm;
static Bool verbose_p = False; /* print progress on stderr */
-static Bool debug_placement_p = False; /* extreme verbosity on stderr */
static Bool debug_p = False; /* render as flat schematic */
+
+/* internal debugging variables */
+static Bool debug_placement_p = False; /* extreme verbosity on stderr */
static Bool debug_one_gear_p = False; /* draw one big stationary gear */
static Bool wire_all_p = False; /* in wireframe, do not abbreviate */
-static int debug_size_failures; /* for debugging messages */
-static int debug_position_failures;
-static unsigned long current_length; /* gear count in current train */
-static unsigned long current_blur_length; /* how long have we been blurring? */
-
static XrmOptionDescRec opts[] = {
{ "-spin", ".spinSpeed", XrmoptionSepArg, 0 },
{&verbose_p, "verbose", "Verbose", "False", t_Bool},
};
-ModeSpecOpt sws_opts = {countof(opts), opts, countof(vars), vars, NULL};
+ENTRYPOINT ModeSpecOpt pinion_opts = {countof(opts), opts, countof(vars), vars, NULL};
\f
/* Font stuff
*label = 0;
else
{
- sprintf (label, "%d teeth\n", g->nteeth);
+ sprintf (label, "%d teeth\n", (int) g->nteeth);
rpm_string (g->rpm, label + strlen(label));
if (debug_p)
sprintf (label + strlen (label), "\nPolys: %d\nModel: %s (%.2f)\n",
{
gear *g = (gear *) calloc (1, sizeof (*g));
int loop_count = 0;
- static unsigned long id = 0;
+ static unsigned long id = 0; /* only used in debugging output */
if (!g) return 0;
if (coaxial_p && !parent) abort();
progname,
(g->r + g->tooth_h), gear_size,
pp->vp_width, pp->vp_height);
- debug_size_failures++;
+ pp->debug_size_failures++;
return False;
}
}
else if (coaxial_p)
{
- double off = plane_displacement;
+ double off = pp->plane_displacement;
g->x = parent->x;
g->y = parent->y;
if (verbose_p && debug_placement_p)
fprintf (stderr, "%s: placement: bad depth: %.2f\n",
progname, g->z);
- debug_position_failures++;
+ pp->debug_position_failures++;
return False;
}
}
if (verbose_p && debug_placement_p)
fprintf (stderr, "%s: placement: out of bounds: %s\n",
progname, (g->y > pp->vp_top ? "top" : "bottom"));
- debug_position_failures++;
+ pp->debug_position_failures++;
return False;
}
{
if (verbose_p && debug_placement_p)
fprintf (stderr, "%s: placement: out of bounds: left\n", progname);
- debug_position_failures++;
+ pp->debug_position_failures++;
return False;
}
if (verbose_p && debug_placement_p)
fprintf (stderr, "%s: placement: collision with %lu\n",
progname, og->id);
- debug_position_failures++;
+ pp->debug_position_failures++;
return False;
}
}
/* Make deeper gears be darker.
*/
{
- double depth = g->z / plane_displacement;
+ double depth = g->z / pp->plane_displacement;
double brightness = 1 + (depth / 6);
double limit = 0.4;
if (brightness < limit) brightness = limit;
Bool last_ditch_coax_p = False;
int loop_count = 0;
- debug_size_failures = 0;
- debug_position_failures = 0;
+ pp->debug_size_failures = 0;
+ pp->debug_position_failures = 0;
AGAIN:
loop_count++;
it's a safe guess that we've wandered off into the woods and aren't
coming back. Bail on this train.
*/
- if (current_blur_length >= 10)
+ if (pp->current_blur_length >= 10)
{
if (verbose_p)
fprintf (stderr, "%s: it's a blurpocalypse!\n\n", progname);
"%s: placement: resetting growth zone! "
"failed: %d size, %d pos\n",
progname,
- debug_size_failures, debug_position_failures);
+ pp->debug_size_failures, pp->debug_position_failures);
for (i = pp->ngears-1; i >= 0; i--)
{
gear *g = pp->gears[i];
fprintf (stderr, " %2d%%",
(int) (g->r * 2 * 100 / pp->vp_height));
- fprintf (stderr, " %2d teeth", g->nteeth);
+ fprintf (stderr, " %2d teeth", (int) g->nteeth);
fprintf (stderr, " %3.0f rpm;", g->rpm);
{
char buf1[50], buf2[50], buf3[100];
*buf1 = 0; *buf2 = 0; *buf3 = 0;
- if (debug_size_failures)
- sprintf (buf1, "%3d sz", debug_size_failures);
- if (debug_position_failures)
- sprintf (buf2, "%2d pos", debug_position_failures);
+ if (pp->debug_size_failures)
+ sprintf (buf1, "%3d sz", pp->debug_size_failures);
+ if (pp->debug_position_failures)
+ sprintf (buf2, "%2d pos", pp->debug_position_failures);
if (*buf1 || *buf2)
sprintf (buf3, " tries: %-7s%s", buf1, buf2);
fprintf (stderr, "%-21s", buf3);
}
- if (g->base_p) fprintf (stderr, " RESET %lu", current_length);
+ if (g->base_p) fprintf (stderr, " RESET %lu", pp->current_length);
fprintf (stderr, "\n");
}
if (g->base_p)
- current_length = 1;
+ pp->current_length = 1;
else
- current_length++;
+ pp->current_length++;
if (g->motion_blur_p)
- current_blur_length++;
+ pp->current_blur_length++;
else
- current_blur_length = 0;
+ pp->current_blur_length = 0;
}
static int
draw_gear_interior (ModeInfo *mi, gear *g)
{
+ pinion_configuration *pp = &pps[MI_SCREEN(mi)];
Bool wire_p = MI_IS_WIREFRAME(mi);
int polys = 0;
g->inner_r2 ? g->inner_r2 :
g->inner_r);
GLfloat za = -(g->thickness/2 + cap_height);
- GLfloat zb = g->coax_thickness/2 + plane_displacement + cap_height;
+ GLfloat zb = g->coax_thickness/2 + pp->plane_displacement + cap_height;
glMaterialfv (GL_FRONT, GL_AMBIENT_AND_DIFFUSE, g->color);
Bool wire_p = MI_IS_WIREFRAME(mi);
int polys = 0;
- static GLfloat spec[4] = {1.0, 1.0, 1.0, 1.0};
- static GLfloat shiny = 128.0;
+ static const GLfloat spec[4] = {1.0, 1.0, 1.0, 1.0};
+ GLfloat shiny = 128.0;
glMaterialfv (GL_FRONT, GL_SPECULAR, spec);
glMateriali (GL_FRONT, GL_SHININESS, shiny);
/* draw a line connecting gears that are, uh, geared. */
if (debug_p)
{
- static GLfloat color[4] = {1.0, 0.0, 0.0, 1.0};
+ static const GLfloat color[4] = {1.0, 0.0, 0.0, 1.0};
GLfloat off = 0.1;
GLfloat ox=0, oy=0, oz=0;
/* Mouse hit detection
*/
-void
+static void
find_mouse_gear (ModeInfo *mi)
{
pinion_configuration *pp = &pps[MI_SCREEN(mi)];
/* Window management, etc
*/
-void
+ENTRYPOINT void
reshape_pinion (ModeInfo *mi, int width, int height)
{
GLfloat h = (GLfloat) height / (GLfloat) width;
}
-Bool
+ENTRYPOINT Bool
pinion_handle_event (ModeInfo *mi, XEvent *event)
{
pinion_configuration *pp = &pps[MI_SCREEN(mi)];
}
-void
+ENTRYPOINT void
init_pinion (ModeInfo *mi)
{
pinion_configuration *pp;
pp->gears_size = 0;
pp->gears = 0;
- plane_displacement *= gear_size;
+ pp->plane_displacement = gear_size * 0.1;
if (!wire)
{
}
-void
+ENTRYPOINT void
draw_pinion (ModeInfo *mi)
{
pinion_configuration *pp = &pps[MI_SCREEN(mi)];
Display *dpy = MI_DISPLAY(mi);
Window window = MI_WINDOW(mi);
Bool wire_p = MI_IS_WIREFRAME(mi);
- static int tick = 0;
if (!pp->glx_context)
return;
+ glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *(pp->glx_context));
+
if (!pp->button_down_p)
{
if (!debug_one_gear_p || pp->ngears == 0)
if (!wire_p) glEnable(GL_LIGHTING);
}
- if (tick++ > 10) /* only do this every N frames */
+ if (pp->draw_tick++ > 10) /* only do this every N frames */
{
- tick = 0;
+ pp->draw_tick = 0;
find_mouse_gear (mi);
new_label (mi);
}
glXSwapBuffers(dpy, window);
}
+XSCREENSAVER_MODULE ("Pinion", pinion)
+
#endif /* USE_GL */
projects / xscreensaver / blobdiff