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-rw-r--r--hacks/glx/cubenetic.c615
1 files changed, 0 insertions, 615 deletions
diff --git a/hacks/glx/cubenetic.c b/hacks/glx/cubenetic.c
deleted file mode 100644
index 7524410..0000000
--- a/hacks/glx/cubenetic.c
+++ /dev/null
@@ -1,615 +0,0 @@
-/* cubenetic, Copyright (c) 2002-2014 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
- * 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: 20000 \n" \
- "*count: 5 \n" \
- "*showFPS: False \n" \
- "*wireframe: False \n" \
- "*suppressRotationAnimation: True\n" \
-
-# define release_cube 0
-
-#include "xlockmore.h"
-#include "colors.h"
-#include "rotator.h"
-#include "gltrackball.h"
-#include <ctype.h>
-
-#ifdef USE_GL /* whole file */
-
-
-#define DEF_SPIN "XYZ"
-#define DEF_WANDER "True"
-#define DEF_TEXTURE "True"
-
-#define DEF_WAVES "3"
-#define DEF_WAVE_SPEED "80"
-#define DEF_WAVE_RADIUS "512"
-
-typedef struct {
- int color;
- GLfloat x, y, z;
- GLfloat w, h, d;
- int frame;
- GLfloat dx, dy, dz;
- GLfloat dw, dh, dd;
-} cube;
-
-typedef struct {
- int x, y;
- double xth, yth;
-} wave_src;
-
-typedef struct {
- int nwaves;
- int radius;
- int speed;
- wave_src *srcs;
- int *heights;
-} waves;
-
-
-typedef struct {
- GLXContext *glx_context;
- rotator *rot;
- trackball_state *trackball;
- Bool button_down_p;
-
- GLuint cube_list;
- GLuint texture_id;
- int cube_polys;
- int ncubes;
- cube *cubes;
- waves *waves;
-
- int texture_width, texture_height;
- unsigned char *texture;
-
- int ncolors;
- XColor *cube_colors;
- XColor *texture_colors;
-
-} cube_configuration;
-
-static cube_configuration *ccs = NULL;
-
-static char *do_spin;
-static Bool do_wander;
-static Bool do_texture;
-
-static int wave_count;
-static int wave_speed;
-static int wave_radius;
-static int texture_size = 256;
-
-static XrmOptionDescRec opts[] = {
- { "-spin", ".spin", XrmoptionSepArg, 0 },
- { "+spin", ".spin", XrmoptionNoArg, "" },
- { "-wander", ".wander", XrmoptionNoArg, "True" },
- { "+wander", ".wander", XrmoptionNoArg, "False" },
- {"-texture", ".texture", XrmoptionNoArg, "true" },
- {"+texture", ".texture", XrmoptionNoArg, "false" },
- {"-waves", ".waves", XrmoptionSepArg, 0 },
- {"-wave-speed", ".waveSpeed", XrmoptionSepArg, 0 },
- {"-wave-radius", ".waveRadius", XrmoptionSepArg, 0 },
-};
-
-static argtype vars[] = {
- {&do_spin, "spin", "Spin", DEF_SPIN, t_String},
- {&do_wander, "wander", "Wander", DEF_WANDER, t_Bool},
- {&do_texture, "texture", "Texture", DEF_TEXTURE, t_Bool},
- {&wave_count, "waves", "Waves", DEF_WAVES, t_Int},
- {&wave_speed, "waveSpeed", "WaveSpeed", DEF_WAVE_SPEED, t_Int},
- {&wave_radius,"waveRadius","WaveRadius", DEF_WAVE_RADIUS,t_Int},
-};
-
-ENTRYPOINT ModeSpecOpt cube_opts = {countof(opts), opts, countof(vars), vars, NULL};
-
-
-static int
-unit_cube (Bool wire)
-{
- int polys = 0;
- glBegin (wire ? GL_LINE_LOOP : GL_QUADS); /* front */
- glNormal3f (0, 0, 1);
- glTexCoord2f(1, 0); glVertex3f ( 0.5, -0.5, 0.5);
- glTexCoord2f(0, 0); glVertex3f ( 0.5, 0.5, 0.5);
- glTexCoord2f(0, 1); glVertex3f (-0.5, 0.5, 0.5);
- glTexCoord2f(1, 1); glVertex3f (-0.5, -0.5, 0.5);
- polys++;
- glEnd();
-
- glBegin (wire ? GL_LINE_LOOP : GL_QUADS); /* back */
- glNormal3f (0, 0, -1);
- glTexCoord2f(0, 0); glVertex3f (-0.5, -0.5, -0.5);
- glTexCoord2f(0, 1); glVertex3f (-0.5, 0.5, -0.5);
- glTexCoord2f(1, 1); glVertex3f ( 0.5, 0.5, -0.5);
- glTexCoord2f(1, 0); glVertex3f ( 0.5, -0.5, -0.5);
- polys++;
- glEnd();
-
- glBegin (wire ? GL_LINE_LOOP : GL_QUADS); /* left */
- glNormal3f (-1, 0, 0);
- glTexCoord2f(1, 1); glVertex3f (-0.5, 0.5, 0.5);
- glTexCoord2f(1, 0); glVertex3f (-0.5, 0.5, -0.5);
- glTexCoord2f(0, 0); glVertex3f (-0.5, -0.5, -0.5);
- glTexCoord2f(0, 1); glVertex3f (-0.5, -0.5, 0.5);
- polys++;
- glEnd();
-
- glBegin (wire ? GL_LINE_LOOP : GL_QUADS); /* right */
- glNormal3f (1, 0, 0);
- glTexCoord2f(1, 1); glVertex3f ( 0.5, -0.5, -0.5);
- glTexCoord2f(1, 0); glVertex3f ( 0.5, 0.5, -0.5);
- glTexCoord2f(0, 0); glVertex3f ( 0.5, 0.5, 0.5);
- glTexCoord2f(0, 1); glVertex3f ( 0.5, -0.5, 0.5);
- polys++;
- glEnd();
-
- if (wire) return polys;
-
- glBegin (wire ? GL_LINE_LOOP : GL_QUADS); /* top */
- glNormal3f (0, 1, 0);
- glTexCoord2f(0, 0); glVertex3f ( 0.5, 0.5, 0.5);
- glTexCoord2f(0, 1); glVertex3f ( 0.5, 0.5, -0.5);
- glTexCoord2f(1, 1); glVertex3f (-0.5, 0.5, -0.5);
- glTexCoord2f(1, 0); glVertex3f (-0.5, 0.5, 0.5);
- polys++;
- glEnd();
-
- glBegin (wire ? GL_LINE_LOOP : GL_QUADS); /* bottom */
- glNormal3f (0, -1, 0);
- glTexCoord2f(1, 0); glVertex3f (-0.5, -0.5, 0.5);
- glTexCoord2f(0, 0); glVertex3f (-0.5, -0.5, -0.5);
- glTexCoord2f(0, 1); glVertex3f ( 0.5, -0.5, -0.5);
- glTexCoord2f(1, 1); glVertex3f ( 0.5, -0.5, 0.5);
- polys++;
- glEnd();
- return polys;
-}
-
-
-
-/* Window management, etc
- */
-ENTRYPOINT void
-reshape_cube (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;
- 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);
-}
-
-
-
-/* Waves.
- Adapted from ../hacks/interference.c by Hannu Mallat.
- */
-
-static void
-init_wave (ModeInfo *mi)
-{
- cube_configuration *cc = &ccs[MI_SCREEN(mi)];
- waves *ww;
- int i;
- cc->waves = ww = (waves *) calloc (sizeof(*cc->waves), 1);
- ww->nwaves = wave_count;
- ww->radius = wave_radius;
- ww->speed = wave_speed;
- ww->heights = (int *) calloc (sizeof(*ww->heights), ww->radius);
- ww->srcs = (wave_src *) calloc (sizeof(*ww->srcs), ww->nwaves);
-
- for (i = 0; i < ww->radius; i++)
- {
- float max = (cc->ncolors * (ww->radius - i) / (float) ww->radius);
- ww->heights[i] = ((max + max * cos(i / 50.0)) / 2.0);
- }
-
- for (i = 0; i < ww->nwaves; i++)
- {
- ww->srcs[i].xth = frand(2.0) * M_PI;
- ww->srcs[i].yth = frand(2.0) * M_PI;
- }
-}
-
-static void
-interference (ModeInfo *mi)
-{
- cube_configuration *cc = &ccs[MI_SCREEN(mi)];
- waves *ww = cc->waves;
- int x, y, i;
-
- /* Move the wave origins around
- */
- for (i = 0; i < ww->nwaves; i++)
- {
- ww->srcs[i].xth += (ww->speed / 1000.0);
- if (ww->srcs[i].xth > 2*M_PI)
- ww->srcs[i].xth -= 2*M_PI;
- ww->srcs[i].yth += (ww->speed / 1000.0);
- if (ww->srcs[i].yth > 2*M_PI)
- ww->srcs[i].yth -= 2*M_PI;
-
- ww->srcs[i].x = (cc->texture_width/2 +
- (cos (ww->srcs[i].xth) *
- cc->texture_width / 2));
- ww->srcs[i].y = (cc->texture_height/2 +
- (cos (ww->srcs[i].yth) *
- cc->texture_height / 2));
- }
-
- /* Compute the effect of the waves on each pixel,
- and generate the output map.
- */
- for (y = 0; y < cc->texture_height; y++)
- for (x = 0; x < cc->texture_width; x++)
- {
- int result = 0;
- unsigned char *o;
- for (i = 0; i < ww->nwaves; i++)
- {
- int dx = x - ww->srcs[i].x;
- int dy = y - ww->srcs[i].y;
- int dist = sqrt (dx*dx + dy*dy);
- result += (dist > ww->radius ? 0 : ww->heights[dist]);
- }
- result %= cc->ncolors;
-
- o = cc->texture + (((y * cc->texture_width) + x) << 2);
- o[0] = (cc->texture_colors[result].red >> 8);
- o[1] = (cc->texture_colors[result].green >> 8);
- o[2] = (cc->texture_colors[result].blue >> 8);
- /* o[3] = 0xFF; */
- }
-}
-
-
-/* Textures
- */
-
-static void
-init_texture (ModeInfo *mi)
-{
- cube_configuration *cc = &ccs[MI_SCREEN(mi)];
- int i;
-
- glEnable(GL_TEXTURE_2D);
-
- clear_gl_error();
- glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
- glGenTextures (1, &cc->texture_id);
- glBindTexture (GL_TEXTURE_2D, cc->texture_id);
- check_gl_error("texture binding");
-
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
- check_gl_error("texture initialization");
-
- cc->texture_width = texture_size;
- cc->texture_height = texture_size;
-
- i = texture_size * texture_size * 4;
- cc->texture = (unsigned char *) malloc (i);
- memset (cc->texture, 0xFF, i);
-}
-
-
-static void
-shuffle_texture (ModeInfo *mi)
-{
- cube_configuration *cc = &ccs[MI_SCREEN(mi)];
- interference (mi);
- clear_gl_error();
- glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA,
- cc->texture_width, cc->texture_height, 0,
- GL_RGBA, GL_UNSIGNED_BYTE,
- cc->texture);
- check_gl_error("texture");
-}
-
-
-static void
-reset_colors (ModeInfo *mi)
-{
- cube_configuration *cc = &ccs[MI_SCREEN(mi)];
- double H[3], S[3], V[3];
- int shift = 60;
- H[0] = frand(360.0);
- H[1] = ((H[0] + shift) < 360) ? (H[0]+shift) : (H[0] + shift - 360);
- H[2] = ((H[1] + shift) < 360) ? (H[1]+shift) : (H[1] + shift - 360);
- S[0] = S[1] = S[2] = 1.0;
- V[0] = V[1] = V[2] = 1.0;
- make_color_loop(0, 0, 0,
- H[0], S[0], V[0],
- H[1], S[1], V[1],
- H[2], S[2], V[2],
- cc->texture_colors, &cc->ncolors,
- False, False);
-
- make_smooth_colormap (0, 0, 0,
- cc->cube_colors, &cc->ncolors,
- False, 0, False);
-}
-
-
-ENTRYPOINT Bool
-cube_handle_event (ModeInfo *mi, XEvent *event)
-{
- cube_configuration *cc = &ccs[MI_SCREEN(mi)];
-
- if (gltrackball_event_handler (event, cc->trackball,
- MI_WIDTH (mi), MI_HEIGHT (mi),
- &cc->button_down_p))
- return True;
- else if (screenhack_event_helper (MI_DISPLAY(mi), MI_WINDOW(mi), event))
- {
- reset_colors (mi);
- return True;
- }
-
- return False;
-}
-
-
-ENTRYPOINT void
-init_cube (ModeInfo *mi)
-{
- int i;
- cube_configuration *cc;
- int wire = MI_IS_WIREFRAME(mi);
-
- MI_INIT (mi, ccs);
-
- cc = &ccs[MI_SCREEN(mi)];
-
- if ((cc->glx_context = init_GL(mi)) != NULL) {
- reshape_cube (mi, MI_WIDTH(mi), MI_HEIGHT(mi));
- }
-
- if (!wire)
- {
- static const GLfloat pos[4] = {1.0, 0.5, 1.0, 0.0};
- static const GLfloat amb[4] = {0.2, 0.2, 0.2, 1.0};
- static const GLfloat dif[4] = {1.0, 1.0, 1.0, 1.0};
-
- glLightfv(GL_LIGHT0, GL_POSITION, pos);
- glLightfv(GL_LIGHT0, GL_AMBIENT, amb);
- glLightfv(GL_LIGHT0, GL_DIFFUSE, dif);
-
- glEnable(GL_LIGHTING);
- glEnable(GL_LIGHT0);
- glEnable(GL_DEPTH_TEST);
- glEnable(GL_CULL_FACE);
- }
-
-
- {
- Bool spinx=False, spiny=False, spinz=False;
- double spin_speed = 1.0;
- double wander_speed = 0.05;
-
- char *s = do_spin;
- while (*s)
- {
- 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,
- "%s: spin must contain only the characters X, Y, or Z (not \"%s\")\n",
- progname, do_spin);
- exit (1);
- }
- s++;
- }
-
- cc->rot = make_rotator (spinx ? spin_speed : 0,
- spiny ? spin_speed : 0,
- spinz ? spin_speed : 0,
- 1.0,
- do_wander ? wander_speed : 0,
- (spinx && spiny && spinz));
- cc->trackball = gltrackball_init (True);
- }
-
- cc->ncolors = 256;
- cc->texture_colors = (XColor *) calloc(cc->ncolors, sizeof(XColor));
- cc->cube_colors = (XColor *) calloc(cc->ncolors, sizeof(XColor));
-
- reset_colors (mi);
-
- cc->ncubes = MI_COUNT (mi);
- cc->cubes = (cube *) calloc (sizeof(cube), cc->ncubes);
- for (i = 0; i < cc->ncubes; i++)
- {
- cube *cube = &cc->cubes[i];
- cube->color = random() % cc->ncolors;
- cube->w = 1.0;
- cube->h = 1.0;
- cube->d = 1.0;
- cube->dx = frand(0.1);
- cube->dy = frand(0.1);
- cube->dz = frand(0.1);
- cube->dw = frand(0.1);
- cube->dh = frand(0.1);
- cube->dd = frand(0.1);
- }
-
- if (wire)
- do_texture = False;
-
- if (do_texture)
- {
- init_texture (mi);
- init_wave (mi);
- shuffle_texture (mi);
- }
-
- cc->cube_list = glGenLists (1);
- glNewList (cc->cube_list, GL_COMPILE);
- cc->cube_polys = unit_cube (wire);
- glEndList ();
-}
-
-
-static void
-shuffle_cubes (ModeInfo *mi)
-{
- cube_configuration *cc = &ccs[MI_SCREEN(mi)];
- int i;
- for (i = 0; i < cc->ncubes; i++)
- {
-# define SINOID(SCALE,FRAME,SIZE) \
- ((((1 + sin((FRAME * (SCALE)) / 2 * M_PI)) / 2.0) * (SIZE)) - (SIZE)/2)
-
- cube *cube = &cc->cubes[i];
- cube->x = SINOID(cube->dx, cube->frame, 0.5);
- cube->y = SINOID(cube->dy, cube->frame, 0.5);
- cube->z = SINOID(cube->dz, cube->frame, 0.5);
- cube->w = SINOID(cube->dw, cube->frame, 0.9) + 1.0;
- cube->h = SINOID(cube->dh, cube->frame, 0.9) + 1.0;
- cube->d = SINOID(cube->dd, cube->frame, 0.9) + 1.0;
- cube->frame++;
-# undef SINOID
- }
-}
-
-
-ENTRYPOINT void
-draw_cube (ModeInfo *mi)
-{
- cube_configuration *cc = &ccs[MI_SCREEN(mi)];
- Display *dpy = MI_DISPLAY(mi);
- Window window = MI_WINDOW(mi);
- int i;
-
- if (!cc->glx_context)
- return;
-
- mi->polygon_count = 0;
- glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *cc->glx_context);
-
- glShadeModel(GL_FLAT);
-
- 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 (cc->rot, &x, &y, &z, !cc->button_down_p);
- glTranslatef((x - 0.5) * 8,
- (y - 0.5) * 6,
- (z - 0.5) * 15);
-
- gltrackball_rotate (cc->trackball);
-
- get_rotation (cc->rot, &x, &y, &z, !cc->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);
- }
-
- glScalef (2.5, 2.5, 2.5);
-
- for (i = 0; i < cc->ncubes; i++)
- {
- cube *cube = &cc->cubes[i];
- GLfloat color[4];
- color[0] = cc->cube_colors[cube->color].red / 65536.0;
- color[1] = cc->cube_colors[cube->color].green / 65536.0;
- color[2] = cc->cube_colors[cube->color].blue / 65536.0;
- color[3] = 1.0;
- cube->color++;
- if (cube->color >= cc->ncolors) cube->color = 0;
-
- glPushMatrix ();
- glTranslatef (cube->x, cube->y, cube->z);
- glScalef (cube->w, cube->h, cube->d);
- glMaterialfv (GL_FRONT, GL_AMBIENT_AND_DIFFUSE, color);
- glCallList (cc->cube_list);
- mi->polygon_count += cc->cube_polys;
- glPopMatrix ();
- }
-
- shuffle_cubes (mi);
- if (do_texture)
- shuffle_texture (mi);
-
- glPopMatrix();
-
- if (mi->fps_p) do_fps (mi);
- glFinish();
-
- glXSwapBuffers(dpy, window);
-}
-
-
-ENTRYPOINT void
-free_cube (ModeInfo *mi)
-{
- cube_configuration *cc = &ccs[MI_SCREEN(mi)];
- if (!cc->glx_context) return;
- glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *cc->glx_context);
- if (cc->waves) {
- free (cc->waves->srcs);
- free (cc->waves->heights);
- free (cc->waves);
- }
- if (glIsList(cc->cube_list)) glDeleteLists(cc->cube_list, 1);
- if (cc->rot) free_rotator (cc->rot);
- if (cc->trackball) gltrackball_free (cc->trackball);
- if (cc->texture_colors) free (cc->texture_colors);
- if (cc->cube_colors) free (cc->cube_colors);
- if (cc->texture) free (cc->texture);
- if (cc->texture_id) glDeleteTextures (1, &cc->texture_id);
-}
-
-XSCREENSAVER_MODULE_2 ("Cubenetic", cubenetic, cube)
-
-#endif /* USE_GL */
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