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-rw-r--r--hacks/glx/dangerball.c375
1 files changed, 0 insertions, 375 deletions
diff --git a/hacks/glx/dangerball.c b/hacks/glx/dangerball.c
deleted file mode 100644
index 18cc9d1..0000000
--- a/hacks/glx/dangerball.c
+++ /dev/null
@@ -1,375 +0,0 @@
-/* dangerball, Copyright (c) 2001-2017 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.
- */
-
-#define DEFAULTS "*delay: 30000 \n" \
- "*count: 30 \n" \
- "*showFPS: False \n" \
- "*wireframe: False \n" \
- "*suppressRotationAnimation: True\n" \
-
-# define release_ball 0
-
-#include "xlockmore.h"
-#include "colors.h"
-#include "sphere.h"
-#include "tube.h"
-#include "rotator.h"
-#include "gltrackball.h"
-#include <ctype.h>
-
-#ifdef USE_GL /* whole file */
-
-
-#define DEF_SPIN "True"
-#define DEF_WANDER "True"
-#define DEF_SPEED "0.05"
-
-#define SPIKE_FACES 12 /* how densely to render spikes */
-#define SMOOTH_SPIKES True
-#define SPHERE_SLICES 32 /* how densely to render spheres */
-#define SPHERE_STACKS 16
-
-
-typedef struct {
- GLXContext *glx_context;
- rotator *rot;
- trackball_state *trackball;
- Bool button_down_p;
-
- GLuint ball_list;
- GLuint spike_list;
-
- GLfloat pos;
- int *spikes;
-
- int ncolors;
- XColor *colors;
- int ccolor;
- int color_shift;
-
-} ball_configuration;
-
-static ball_configuration *bps = NULL;
-
-static Bool do_spin;
-static GLfloat speed;
-static Bool do_wander;
-
-static XrmOptionDescRec opts[] = {
- { "-spin", ".spin", XrmoptionNoArg, "True" },
- { "+spin", ".spin", XrmoptionNoArg, "False" },
- { "-speed", ".speed", XrmoptionSepArg, 0 },
- { "-wander", ".wander", XrmoptionNoArg, "True" },
- { "+wander", ".wander", XrmoptionNoArg, "False" }
-};
-
-static argtype vars[] = {
- {&do_spin, "spin", "Spin", DEF_SPIN, t_Bool},
- {&do_wander, "wander", "Wander", DEF_WANDER, t_Bool},
- {&speed, "speed", "Speed", DEF_SPEED, t_Float},
-};
-
-ENTRYPOINT ModeSpecOpt ball_opts = {countof(opts), opts, countof(vars), vars, NULL};
-
-
-/* Window management, etc
- */
-ENTRYPOINT void
-reshape_ball (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, 100.0);
-
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- gluLookAt( 0.0, 0.0, 30.0,
- 0.0, 0.0, 0.0,
- 0.0, 1.0, 0.0);
-
- {
- GLfloat s = (MI_WIDTH(mi) < MI_HEIGHT(mi)
- ? (MI_WIDTH(mi) / (GLfloat) MI_HEIGHT(mi))
- : 1);
- glScalef (s, s, s);
- }
-
- glClear(GL_COLOR_BUFFER_BIT);
-}
-
-
-static void
-randomize_spikes (ModeInfo *mi)
-{
- ball_configuration *bp = &bps[MI_SCREEN(mi)];
- int i;
- bp->pos = 0;
- for (i = 0; i < MI_COUNT(mi); i++)
- {
- bp->spikes[i*2] = (random() % 360) - 180;
- bp->spikes[i*2+1] = (random() % 180) - 90;
- }
-
-# define ROT_SCALE 22
- for (i = 0; i < MI_COUNT(mi) * 2; i++)
- bp->spikes[i] = (bp->spikes[i] / ROT_SCALE) * ROT_SCALE;
-
- if ((random() % 3) == 0)
- bp->color_shift = random() % (bp->ncolors / 2);
- else
- bp->color_shift = 0;
-}
-
-static void
-draw_spikes (ModeInfo *mi)
-{
- ball_configuration *bp = &bps[MI_SCREEN(mi)];
- GLfloat diam = 0.2;
- GLfloat pos = bp->pos;
- int i;
-
- if (pos < 0) pos = -pos;
-
- pos = (asin (0.5 + pos/2) - 0.5) * 2;
-
- for (i = 0; i < MI_COUNT(mi); i++)
- {
- glPushMatrix();
- glRotatef(bp->spikes[i*2], 0, 1, 0);
- glRotatef(bp->spikes[i*2+1], 0, 0, 1);
- glTranslatef(0.7, 0, 0);
- glRotatef(-90, 0, 0, 1);
- glScalef (diam, pos, diam);
- glCallList (bp->spike_list);
- glPopMatrix();
-
- mi->polygon_count += (SPIKE_FACES + 1);
- }
-}
-
-
-static void
-move_spikes (ModeInfo *mi)
-{
- ball_configuration *bp = &bps[MI_SCREEN(mi)];
-
- if (bp->pos >= 0) /* moving outward */
- {
- bp->pos += speed;
- if (bp->pos >= 1) /* reverse gears at apex */
- bp->pos = -1;
- }
- else /* moving inward */
- {
- bp->pos += speed;
- if (bp->pos >= 0) /* stop at end */
- randomize_spikes (mi);
- }
-}
-
-
-ENTRYPOINT Bool
-ball_handle_event (ModeInfo *mi, XEvent *event)
-{
- ball_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;
-}
-
-
-ENTRYPOINT void
-init_ball (ModeInfo *mi)
-{
- ball_configuration *bp;
- int wire = MI_IS_WIREFRAME(mi);
-
- MI_INIT (mi, bps);
- bp = &bps[MI_SCREEN(mi)];
-
- bp->glx_context = init_GL(mi);
-
- reshape_ball (mi, MI_WIDTH(mi), MI_HEIGHT(mi));
-
- if (!wire)
- {
- GLfloat pos[4] = {1.0, 1.0, 1.0, 0.0};
- GLfloat amb[4] = {0.0, 0.0, 0.0, 1.0};
- GLfloat dif[4] = {1.0, 1.0, 1.0, 1.0};
- GLfloat spc[4] = {0.0, 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);
- }
-
- {
- double spin_speed = 10.0;
- double wander_speed = 0.12;
- double spin_accel = 2.0;
-
- bp->rot = make_rotator (do_spin ? spin_speed : 0,
- do_spin ? spin_speed : 0,
- do_spin ? spin_speed : 0,
- spin_accel,
- do_wander ? wander_speed : 0,
- True);
- bp->trackball = gltrackball_init (True);
- }
-
- bp->ncolors = 128;
- bp->colors = (XColor *) calloc(bp->ncolors, sizeof(XColor));
- make_smooth_colormap (0, 0, 0,
- bp->colors, &bp->ncolors,
- False, 0, False);
-
- bp->spikes = (int *) calloc(MI_COUNT(mi), sizeof(*bp->spikes) * 2);
-
- bp->ball_list = glGenLists (1);
- bp->spike_list = glGenLists (1);
-
- glNewList (bp->ball_list, GL_COMPILE);
- unit_sphere (SPHERE_STACKS, SPHERE_SLICES, wire);
- glEndList ();
-
- glNewList (bp->spike_list, GL_COMPILE);
- cone (0, 0, 0,
- 0, 1, 0,
- 1, 0, SPIKE_FACES, SMOOTH_SPIKES, False, wire);
- glEndList ();
-
- randomize_spikes (mi);
-}
-
-
-ENTRYPOINT void
-draw_ball (ModeInfo *mi)
-{
- ball_configuration *bp = &bps[MI_SCREEN(mi)];
- Display *dpy = MI_DISPLAY(mi);
- Window window = MI_WINDOW(mi);
- int c2;
-
- static const GLfloat bspec[4] = {1.0, 1.0, 1.0, 1.0};
- static const GLfloat sspec[4] = {0.0, 0.0, 0.0, 1.0};
- static const GLfloat bshiny = 128.0;
- static const GLfloat sshiny = 0.0;
-
- GLfloat bcolor[4] = {0.0, 0.0, 0.0, 1.0};
- GLfloat scolor[4] = {0.0, 0.0, 0.0, 1.0};
-
- if (!bp->glx_context)
- return;
-
- glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *bp->glx_context);
-
- glShadeModel(GL_SMOOTH);
-
- glEnable(GL_DEPTH_TEST);
- glEnable(GL_NORMALIZE);
- glEnable(GL_CULL_FACE);
-
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
- glPushMatrix ();
-
- glScalef(1.1, 1.1, 1.1);
-
- {
- double x, y, z;
- get_position (bp->rot, &x, &y, &z, !bp->button_down_p);
- glTranslatef((x - 0.5) * 8,
- (y - 0.5) * 8,
- (z - 0.5) * 15);
-
- gltrackball_rotate (bp->trackball);
-
- get_rotation (bp->rot, &x, &y, &z, !bp->button_down_p);
- glRotatef (x * 360, 1.0, 0.0, 0.0);
- glRotatef (y * 360, 0.0, 1.0, 0.0);
- glRotatef (z * 360, 0.0, 0.0, 1.0);
- }
-
- bcolor[0] = bp->colors[bp->ccolor].red / 65536.0;
- bcolor[1] = bp->colors[bp->ccolor].green / 65536.0;
- bcolor[2] = bp->colors[bp->ccolor].blue / 65536.0;
-
- c2 = (bp->ccolor + bp->color_shift) % bp->ncolors;
- scolor[0] = bp->colors[c2].red / 65536.0;
- scolor[1] = bp->colors[c2].green / 65536.0;
- scolor[2] = bp->colors[c2].blue / 65536.0;
-
- bp->ccolor++;
- if (bp->ccolor >= bp->ncolors) bp->ccolor = 0;
-
- mi->polygon_count = 0;
-
- glScalef (2.0, 2.0, 2.0);
-
- move_spikes (mi);
-
- glMaterialfv (GL_FRONT, GL_SPECULAR, bspec);
- glMateriali (GL_FRONT, GL_SHININESS, bshiny);
- glMaterialfv (GL_FRONT, GL_AMBIENT_AND_DIFFUSE, bcolor);
- glCallList (bp->ball_list);
- mi->polygon_count += (SPHERE_SLICES * SPHERE_STACKS);
-
- glMaterialfv (GL_FRONT, GL_SPECULAR, sspec);
- glMaterialf (GL_FRONT, GL_SHININESS, sshiny);
- glMaterialfv (GL_FRONT, GL_AMBIENT_AND_DIFFUSE, scolor);
- draw_spikes (mi);
- glPopMatrix ();
-
- if (mi->fps_p) do_fps (mi);
- glFinish();
-
- glXSwapBuffers(dpy, window);
-}
-
-
-ENTRYPOINT void
-free_ball (ModeInfo *mi)
-{
- ball_configuration *bp = &bps[MI_SCREEN(mi)];
- if (!bp->glx_context) return;
- glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *bp->glx_context);
- if (bp->colors) free (bp->colors);
- if (bp->spikes) free (bp->spikes);
- if (bp->rot) free_rotator (bp->rot);
- if (bp->trackball) gltrackball_free (bp->trackball);
- if (glIsList(bp->ball_list)) glDeleteLists(bp->ball_list, 1);
- if (glIsList(bp->spike_list)) glDeleteLists(bp->spike_list, 1);
-}
-
-XSCREENSAVER_MODULE_2 ("DangerBall", dangerball, ball)
-
-#endif /* USE_GL */
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