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Diffstat (limited to 'hacks/glx/companion.c')
| -rw-r--r-- | hacks/glx/companion.c | 604 |
1 files changed, 0 insertions, 604 deletions
diff --git a/hacks/glx/companion.c b/hacks/glx/companion.c deleted file mode 100644 index 3daebcb..0000000 --- a/hacks/glx/companion.c +++ /dev/null @@ -1,604 +0,0 @@ -/* companioncube, Copyright (c) 2011-2018 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. - */ - -/* The symptoms most commonly produced by Enrichment Center testing are - superstition, perceiving inanimate objects as alive, and hallucinations. - The Enrichment Center reminds you that the weighted companion cube will - never threaten to stab you and, in fact, cannot speak. In the event that - the Weighted Companion Cube does speak, the Enrichment Center urges you to - disregard its advice. - */ - - -#define DEFAULTS "*delay: 30000 \n" \ - "*showFPS: False \n" \ - "*count: 3 \n" \ - "*wireframe: False \n" \ - -/* #define DEBUG */ - - -# define release_cube 0 -#define DEF_SPEED "1.0" -#define DEF_SPIN "False" -#define DEF_WANDER "False" - -#undef BELLRAND -#define BELLRAND(n) ((frand((n)) + frand((n)) + frand((n))) / 3) -#undef RANDSIGN -#define RANDSIGN() ((random() & 1) ? 1 : -1) - -#include "xlockmore.h" -#include "rotator.h" -#include "gltrackball.h" -#include "ximage-loader.h" -#include <ctype.h> - -#ifdef USE_GL /* whole file */ - -#include "gllist.h" - -extern const struct gllist *companion_quad, *companion_disc, *companion_heart; -static const struct gllist * const *all_objs[] = { - &companion_quad, &companion_disc, &companion_heart -}; -#define BASE_QUAD 0 -#define BASE_DISC 1 -#define BASE_HEART 2 -#define FULL_CUBE 3 - -#define SPEED_SCALE 0.2 - -typedef struct { - GLfloat x, y, z; - GLfloat ix, iy, iz; - GLfloat dx, dy, dz; - GLfloat ddx, ddy, ddz; - GLfloat zr; - rotator *rot; - Bool spinner_p; -} floater; - -typedef struct { - GLXContext *glx_context; - trackball_state *trackball; - Bool button_down_p; - - GLuint *dlists; - int cube_polys; - - int nfloaters; - floater *floaters; - -} cube_configuration; - -static cube_configuration *bps = NULL; - -static GLfloat speed; -static Bool do_spin; -static Bool do_wander; - -static XrmOptionDescRec opts[] = { - { "-speed", ".speed", XrmoptionSepArg, 0 }, - { "-spin", ".spin", XrmoptionNoArg, "True" }, - { "+spin", ".spin", XrmoptionNoArg, "False" }, - { "-wander", ".wander", XrmoptionNoArg, "True" }, - { "+wander", ".wander", XrmoptionNoArg, "False" }, -}; - -static argtype vars[] = { - {&speed, "speed", "Speed", DEF_SPEED, t_Float}, - {&do_spin, "spin", "Spin", DEF_SPIN, t_Bool}, - {&do_wander, "wander", "Wander", DEF_WANDER, t_Bool}, -}; - -ENTRYPOINT ModeSpecOpt cube_opts = {countof(opts), opts, countof(vars), vars, NULL}; - - -#define BOTTOM 28.0 - -static void -reset_floater (ModeInfo *mi, floater *f) -{ - cube_configuration *bp = &bps[MI_SCREEN(mi)]; - - f->y = -BOTTOM; - f->x = f->ix; - f->z = f->iz; - - /* Yes, I know I'm varying the force of gravity instead of varying the - launch velocity. That's intentional: empirical studies indicate - that it's way, way funnier that way. */ - - f->dy = 5.0; - f->dx = 0; - f->dz = 0; - - /* -0.18 max -0.3 top -0.4 middle -0.6 bottom */ - f->ddy = speed * SPEED_SCALE * (-0.6 + BELLRAND(0.45)); - f->ddx = 0; - f->ddz = 0; - - if (do_spin || do_wander) - f->spinner_p = 0; - else - f->spinner_p = !(random() % (3 * bp->nfloaters)); - - if (! (random() % (30 * bp->nfloaters))) - { - f->dx = BELLRAND(1.8) * RANDSIGN(); - f->dz = BELLRAND(1.8) * RANDSIGN(); - } - - f->zr = frand(180); - if (do_spin || do_wander) - { - f->y = 0; - if (bp->nfloaters > 2) - f->y += frand(3.0) * RANDSIGN(); - } -} - - -static void -tick_floater (ModeInfo *mi, floater *f) -{ - cube_configuration *bp = &bps[MI_SCREEN(mi)]; - - if (bp->button_down_p) return; - - if (do_spin || do_wander) return; - - f->dx += f->ddx; - f->dy += f->ddy; - f->dz += f->ddz; - - f->x += f->dx * speed * SPEED_SCALE; - f->y += f->dy * speed * SPEED_SCALE; - f->z += f->dz * speed * SPEED_SCALE; - - if (f->y < -BOTTOM || - f->x < -BOTTOM*8 || f->x > BOTTOM*8 || - f->z < -BOTTOM*8 || f->z > BOTTOM*8) - reset_floater (mi, f); -} - - - - - -static int -build_corner (ModeInfo *mi) -{ - cube_configuration *bp = &bps[MI_SCREEN(mi)]; - GLfloat s; - const struct gllist *gll = *all_objs[BASE_QUAD]; - - glPushMatrix(); - glTranslatef (-0.5, -0.5, -0.5); - s = 0.659; - glScalef (s, s, s); - - glRotatef (180, 0, 1, 0); - glRotatef (180, 0, 0, 1); - glTranslatef (-0.12, -1.64, 0.12); - glCallList (bp->dlists[BASE_QUAD]); - glPopMatrix(); - - return gll->points / 3; -} - - -static int -build_face (ModeInfo *mi) -{ - int polys = 0; - cube_configuration *bp = &bps[MI_SCREEN(mi)]; - int wire = MI_IS_WIREFRAME(mi); - GLfloat s; - const struct gllist *gll; - - GLfloat base_color[4] = {0.53, 0.60, 0.66, 1.00}; - GLfloat heart_color[4] = {0.92, 0.67, 1.00, 1.00}; - GLfloat disc_color[4] = {0.75, 0.92, 1.00, 1.00}; - GLfloat corner_color[4] = {0.75, 0.92, 1.00, 1.00}; - - if (!wire) - { - GLfloat w = 0.010; - glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, base_color); - glPushMatrix(); - glNormal3f (0, 0, -1); - glTranslatef (-0.5, -0.5, -0.5); - - glBegin(GL_QUADS); - glVertex3f (0, 0, 0); - glVertex3f (0, 0.5-w, 0); - glVertex3f (0.5-w, 0.5-w, 0); - glVertex3f (0.5-w, 0, 0); - - glVertex3f (0.5+w, 0, 0); - glVertex3f (0.5+w, 0.5-w, 0); - glVertex3f (1, 0.5-w, 0); - glVertex3f (1, 0, 0); - - glVertex3f (0, 0.5+w, 0); - glVertex3f (0, 1, 0); - glVertex3f (0.5-w, 1, 0); - glVertex3f (0.5-w, 0.5+w, 0); - - glVertex3f (0.5+w, 0.5+w, 0); - glVertex3f (0.5+w, 1, 0); - glVertex3f (1, 1, 0); - glVertex3f (1, 0.5+w, 0); - glEnd(); - - glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, heart_color); - - glNormal3f (0, -1, 0); - glBegin(GL_QUADS); - glVertex3f (0, 0.5+w, 0); - glVertex3f (1, 0.5+w, 0); - glVertex3f (1, 0.5+w, w); - glVertex3f (0, 0.5+w, w); - glEnd(); - - glNormal3f (0, 1, 0); - glBegin(GL_QUADS); - glVertex3f (0, 0.5-w, w); - glVertex3f (1, 0.5-w, w); - glVertex3f (1, 0.5-w, 0); - glVertex3f (0, 0.5-w, 0); - glEnd(); - - glNormal3f (-1, 0, 0); - glBegin(GL_QUADS); - glVertex3f (0.5+w, 0, w); - glVertex3f (0.5+w, 1, w); - glVertex3f (0.5+w, 1, 0); - glVertex3f (0.5+w, 0, 0); - glEnd(); - - glNormal3f (1, 0, 0); - glBegin(GL_QUADS); - glVertex3f (0.5-w, 0, 0); - glVertex3f (0.5-w, 1, 0); - glVertex3f (0.5-w, 1, w); - glVertex3f (0.5-w, 0, w); - glEnd(); - - glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, heart_color); - - glNormal3f (0, 0, -1); - glTranslatef (0, 0, w); - glBegin(GL_QUADS); - glVertex3f (0, 0, 0); - glVertex3f (0, 1, 0); - glVertex3f (1, 1, 0); - glVertex3f (1, 0, 0); - glEnd(); - - glPopMatrix(); - } - - glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, corner_color); - - glPushMatrix(); - polys += build_corner (mi); glRotatef (90, 0, 0, 1); - polys += build_corner (mi); glRotatef (90, 0, 0, 1); - polys += build_corner (mi); glRotatef (90, 0, 0, 1); - polys += build_corner (mi); - - glRotatef (90, 0, 0, 1); - glTranslatef (0.585, -0.585, -0.5655); - - s = 10.5; - glScalef (s, s, s); - glRotatef (180, 0, 1, 0); - - if (! wire) - { - gll = *all_objs[BASE_HEART]; - glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, heart_color); - glCallList (bp->dlists[BASE_HEART]); - polys += gll->points / 3; - } - - gll = *all_objs[BASE_DISC]; - glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, disc_color); - glCallList (bp->dlists[BASE_DISC]); - polys += gll->points / 3; - - glPopMatrix(); - return polys; -} - - -static int -build_cube (ModeInfo *mi) -{ - int polys = 0; - glPushMatrix(); - polys += build_face (mi); glRotatef (90, 0, 1, 0); - polys += build_face (mi); glRotatef (90, 0, 1, 0); - polys += build_face (mi); glRotatef (90, 0, 1, 0); - polys += build_face (mi); glRotatef (90, 1, 0, 0); - polys += build_face (mi); glRotatef (180,1, 0, 0); - polys += build_face (mi); - glPopMatrix(); - 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 * 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); - - 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); -} - - -ENTRYPOINT Bool -cube_handle_event (ModeInfo *mi, XEvent *event) -{ - cube_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_cube (ModeInfo *mi) -{ - cube_configuration *bp; - int wire = MI_IS_WIREFRAME(mi); - int i; - - MI_INIT (mi, bps); - - bp = &bps[MI_SCREEN(mi)]; - - bp->glx_context = init_GL(mi); - - reshape_cube (mi, MI_WIDTH(mi), MI_HEIGHT(mi)); - - glShadeModel(GL_SMOOTH); - - glEnable(GL_DEPTH_TEST); - glEnable(GL_NORMALIZE); - glEnable(GL_CULL_FACE); - - if (!wire) - { - GLfloat pos[4] = {0.7, 0.2, 0.4, 0.0}; -/* GLfloat amb[4] = {0.0, 0.0, 0.0, 1.0};*/ - GLfloat amb[4] = {0.2, 0.2, 0.2, 1.0}; - GLfloat dif[4] = {1.0, 1.0, 1.0, 1.0}; - GLfloat spc[4] = {1.0, 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); - } - - bp->trackball = gltrackball_init (False); - - bp->dlists = (GLuint *) calloc (countof(all_objs)+2, sizeof(GLuint)); - for (i = 0; i < countof(all_objs)+1; i++) - bp->dlists[i] = glGenLists (1); - - for (i = 0; i < countof(all_objs); i++) - { - const struct gllist *gll = *all_objs[i]; - glNewList (bp->dlists[i], GL_COMPILE); - renderList (gll, wire); - glEndList (); - } - - glNewList (bp->dlists[i], GL_COMPILE); - bp->cube_polys = build_cube (mi); - glEndList (); - - - bp->nfloaters = MI_COUNT (mi); - bp->floaters = (floater *) calloc (bp->nfloaters, sizeof (floater)); - - for (i = 0; i < bp->nfloaters; i++) - { - floater *f = &bp->floaters[i]; - double spin_speed = do_spin ? 0.7 : 10; - double wander_speed = do_wander ? 0.02 : 0.05 * speed * SPEED_SCALE; - double spin_accel = 0.5; - f->rot = make_rotator (spin_speed, spin_speed, spin_speed, - spin_accel, - wander_speed, - True); - if (bp->nfloaters == 2) - { - f->x = (i ? 2 : -2); - } - else if (i != 0) - { - double th = (i - 1) * M_PI*2 / (bp->nfloaters-1); - double r = 3; - f->x = r * cos(th); - f->z = r * sin(th); - } - - f->ix = f->x; - f->iy = f->y; - f->iz = f->z; - reset_floater (mi, f); - } -} - - -static void -draw_floater (ModeInfo *mi, floater *f) -{ - cube_configuration *bp = &bps[MI_SCREEN(mi)]; - GLfloat n; - double x, y, z; - - get_position (f->rot, &x, &y, &z, !bp->button_down_p); - - glPushMatrix(); - glTranslatef (f->x, f->y, f->z); - - if (do_wander) - glTranslatef (x, y, z); - - if (do_spin) - get_rotation (f->rot, &x, &y, &z, !bp->button_down_p); - - if (do_spin || f->spinner_p) - { - glRotatef (x * 360, 1, 0, 0); - glRotatef (y * 360, 0, 1, 0); - glRotatef (z * 360, 0, 0, 1); - } - else - { - glRotatef (f->zr * 360, 0, 1, 0); - } - - n = 1.5; - if (bp->nfloaters > 99) n *= 0.05; - else if (bp->nfloaters > 25) n *= 0.18; - else if (bp->nfloaters > 9) n *= 0.3; - else if (bp->nfloaters > 1) n *= 0.7; - - n *= 2; - - if ((do_spin || do_wander) && bp->nfloaters > 1) - n *= 0.7; - - glScalef(n, n, n); - - glCallList (bp->dlists[FULL_CUBE]); - mi->polygon_count += bp->cube_polys; -/* build_cube (mi);*/ - - glPopMatrix(); -} - - - -ENTRYPOINT void -draw_cube (ModeInfo *mi) -{ - cube_configuration *bp = &bps[MI_SCREEN(mi)]; - Display *dpy = MI_DISPLAY(mi); - Window window = MI_WINDOW(mi); - int i; - - if (!bp->glx_context) - return; - - glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *bp->glx_context); - - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - - glPushMatrix (); - glRotatef(current_device_rotation(), 0, 0, 1); - gltrackball_rotate (bp->trackball); - - glScalef (2, 2, 2); - - mi->polygon_count = 0; - -# if 0 - { - floater F; - F.x = F.y = F.z = 0; - F.dx = F.dy = F.dz = 0; - F.ddx = F.ddy = F.ddz = 0; - F.rot = make_rotator (0, 0, 0, 1, 0, False); - glRotatef (45, 0, 1, 0); - draw_floater (mi, &F); - } -# else - for (i = 0; i < bp->nfloaters; i++) - { - floater *f = &bp->floaters[i]; - draw_floater (mi, f); - tick_floater (mi, f); - } -# endif - - glPopMatrix (); - - if (mi->fps_p) do_fps (mi); - glFinish(); - - glXSwapBuffers(dpy, window); -} - - -ENTRYPOINT void -free_cube (ModeInfo *mi) -{ - cube_configuration *bp = &bps[MI_SCREEN(mi)]; - int i; - if (!bp->glx_context) return; - glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *bp->glx_context); - for (i = 0; i < bp->nfloaters; i++) - if (bp->floaters[i].rot) free_rotator (bp->floaters[i].rot); - for (i = 0; i < countof(all_objs)+1; i++) - if (glIsList(bp->dlists[i])) glDeleteLists(bp->dlists[i], 1); - if (bp->floaters) free (bp->floaters); - if (bp->trackball) gltrackball_free (bp->trackball); - if (bp->dlists) free (bp->dlists); -} - -XSCREENSAVER_MODULE_2 ("CompanionCube", companioncube, cube) - -#endif /* USE_GL */ |