diff options
Diffstat (limited to 'hacks/glx/handsy.c')
| -rw-r--r-- | hacks/glx/handsy.c | 1173 |
1 files changed, 0 insertions, 1173 deletions
diff --git a/hacks/glx/handsy.c b/hacks/glx/handsy.c deleted file mode 100644 index ed21b2d..0000000 --- a/hacks/glx/handsy.c +++ /dev/null @@ -1,1173 +0,0 @@ -/* handsy, Copyright (c) 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. - */ - -#define DEFAULTS "*delay: 30000 \n" \ - "*count: 2 \n" \ - ".foreground: #8888CC" "\n" \ - "*groundColor: #0000FF" "\n" \ - "*showFPS: False \n" \ - "*wireframe: False \n" - -# define release_hands 0 - -#include "xlockmore.h" -#include "sphere.h" -#include "tube.h" -#include "rotator.h" -#include "gltrackball.h" -#include "gllist.h" -#include <ctype.h> - -#ifdef USE_GL /* whole file */ - - -#define DEF_SPEED "1.0" -#define DEF_SPIN "XY" -#define DEF_WANDER "True" -#define DEF_FACE_FRONT "True" -#define DEF_DEBUG "False" - -extern const struct gllist - *handsy_model_finger_distal, *handsy_model_finger_intermediate, - *handsy_model_finger_proximal, *handsy_model_finger_metacarpal, - *handsy_model_thumb_distal, *handsy_model_thumb_proximal, - *handsy_model_thumb_metacarpal, *handsy_model_palm; -static struct gllist *ground = 0; - -static const struct gllist * const *all_objs[] = { - &handsy_model_finger_distal, &handsy_model_finger_intermediate, - &handsy_model_finger_proximal, &handsy_model_finger_metacarpal, - &handsy_model_thumb_distal, &handsy_model_thumb_proximal, - &handsy_model_thumb_metacarpal, &handsy_model_palm, - (const struct gllist * const *) &ground -}; - -#define FINGER_DISTAL 0 -#define FINGER_INTERMEDIATE 1 -#define FINGER_PROXIMAL 2 -#define FINGER_METACARPAL 3 -#define THUMB_DISTAL 4 -#define THUMB_PROXIMAL 5 -#define THUMB_METACARPAL 6 -#define PALM 7 -#define GROUND 8 - - -/* 'hand_geom' describes the position and extent of the various joints. - 'hand' describes the current flexion of the joints in that model. - 'hand_anim' is a list of positions and timings describing an animation. - 'hands_configuration' is the usual global state structure. - */ - -typedef struct { - double min, max; /* +- pi */ -} joint; - -typedef struct { - joint bones[4]; - joint base; -} finger; - -typedef struct { - finger fingers[5]; - joint palm; - joint wrist1; - joint wrist2; -} hand_geom; - -static const hand_geom human_hand = { - {{{{ 0.0, 1.6 }, /* thumb distal */ - { 0.0, 1.6 }, /* thumb proximal */ - { 0.0, 1.6 }, /* thumb metacarpal */ - { 0.0, 0.0 }}, /* none */ - { -1.70, 0.00 }}, - {{{ -0.2, 1.6 }, /* index distal */ - { -0.2, 1.6 }, /* index intermediate */ - { -0.2, 1.6 }, /* index proximal */ - { 0.0, 0.0 }}, /* index metacarpal */ - { -0.25, 0.25 }}, - {{{ -0.2, 1.6 }, /* middle distal */ - { -0.2, 1.6 }, /* middle intermediate */ - { -0.2, 1.6 }, /* middle proximal */ - { 0.0, 0.0 }}, /* middle metacarpal */ - { -0.25, 0.25 }}, - {{{ -0.2, 1.6 }, /* ring distal */ - { -0.2, 1.6 }, /* ring intermediate */ - { -0.2, 1.6 }, /* ring proximal */ - { 0.0, 0.0 }}, /* ring metacarpal */ - { -0.25, 0.25 }}, - {{{ -0.2, 1.6 }, /* pinky distal */ - { -0.2, 1.6 }, /* pinky intermediate */ - { -0.2, 1.6 }, /* pinky proximal */ - { 0.0, 0.0 }}, /* pinky metacarpal */ - { -0.25, 0.25 }}}, - { -0.7, 1.5 }, /* palm (wrist up/down) */ - { -M_PI, M_PI }, /* wrist left/right */ - { -M_PI, M_PI }, /* wrist rotate */ -}; - -typedef struct { - double joint[countof(human_hand.fingers)] /* +- pi */ - [countof(human_hand.fingers[0].bones)]; - double base[countof(human_hand.fingers)]; - double wrist[3]; /* up/down, left/right, rotate */ - double pos[3]; /* XYZ */ - Bool sinister; - double alpha; -} hand; - -typedef struct { - const hand * const dest; - double duration, pause; - double pos[3], rot[3]; /* XYZ */ -} hand_anim; - -typedef struct { - const hand_anim * const pair[2]; /* L/R */ - double delay; /* Delay added to R */ -} hand_anim_pair; - -typedef struct { - GLXContext *glx_context; - rotator *rot, *rot2; - trackball_state *trackball; - Bool spinx, spiny, spinz; - Bool button_down_p; - - const hand_geom *geom; - GLuint *dlists; - int nhands; - - struct { - const hand_anim *anim; - int anim_hands; /* frames in animation */ - int anim_hand; /* pos in anim, L/R */ - double anim_start, anim_time; - double tick; - double delay; - } pair[2]; - - struct { hand from, to, current; } *hands; - GLfloat color[4]; - Bool ringp; - -} hands_configuration; - -#include "handsy_anim.h" - - -static hands_configuration *bps = NULL; - -static GLfloat speed; -static char *do_spin; -static Bool do_wander; -static Bool face_front_p; -static Bool debug_p; - -static XrmOptionDescRec opts[] = { - { "-speed", ".speed", XrmoptionSepArg, 0 }, - { "-spin", ".spin", XrmoptionSepArg, 0 }, - { "+spin", ".spin", XrmoptionNoArg, "" }, - { "-wander", ".wander", XrmoptionNoArg, "True" }, - { "+wander", ".wander", XrmoptionNoArg, "False" }, - { "-front", ".faceFront", XrmoptionNoArg, "True" }, - { "+front", ".faceFront", XrmoptionNoArg, "False" }, - { "-debug", ".debug", XrmoptionNoArg, "True" }, - { "+debug", ".debug", XrmoptionNoArg, "False" }, -}; - -static argtype vars[] = { - {&do_spin, "spin", "Spin", DEF_SPIN, t_String}, - {&do_wander, "wander", "Wander", DEF_WANDER, t_Bool}, - {&face_front_p, "faceFront", "FaceFront", DEF_FACE_FRONT, t_Bool}, - {&speed, "speed", "Speed", DEF_SPEED, t_Float}, - {&debug_p, "debug", "Debug", DEF_DEBUG, t_Bool}, -}; - -ENTRYPOINT ModeSpecOpt hands_opts = {countof(opts), opts, countof(vars), vars, NULL}; - - -/* Returns the current time in seconds as a double. - */ -static double -double_time (void) -{ - struct timeval now; -# ifdef GETTIMEOFDAY_TWO_ARGS - struct timezone tzp; - gettimeofday(&now, &tzp); -# else - gettimeofday(&now); -# endif - - return (now.tv_sec + ((double) now.tv_usec * 0.000001)); -} - - -static double -constrain_joint (double v, double min, double max) -{ - if (v < min) v = min; - else if (v > max) v = max; - return v; -} - - -static void -draw_hand (ModeInfo *mi, hand *h) -{ - hands_configuration *bp = &bps[MI_SCREEN(mi)]; - int wire = MI_IS_WIREFRAME(mi); - int finger; - int off = h->sinister ? -1 : 1; - int nfingers = countof (bp->geom->fingers); - int nbones = countof (bp->geom->fingers[0].bones); - - glLineWidth (1); - glPushMatrix(); - - glTranslatef (off * h->pos[0], h->pos[1], h->pos[2]); - glRotatef (h->wrist[1] * 180 / M_PI * -off, 0, 1, 0); - glRotatef (h->wrist[2] * 180 / M_PI * -off, 0, 0, 1); - glRotatef (h->wrist[0] * 180 / M_PI, 1, 0, 0); - - bp->color[3] = h->alpha; - glColor4fv (bp->color); - glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, bp->color); - - if (!wire) glEnable (GL_BLEND); - - glPushMatrix(); - if (h->sinister) - { - glScalef (-1, 1, 1); - glFrontFace (GL_CW); - } - else - glFrontFace (GL_CCW); - glCallList (bp->dlists[PALM]); - glPopMatrix(); - - for (finger = 0; finger < nfingers; finger++) - { - int bone = nbones - 2; - glPushMatrix(); - if (finger == 0) /* thumb */ - { - glTranslatef (off * 0.113, -0.033, 0.093); - glRotatef (off * 45, 0, 1, 0); - - if (h->sinister) - glRotatef (180, 0, 0, 1); - - glRotatef (off * h->base[finger] * -180 / M_PI, 1, 0, 0); - bone--; - - glFrontFace (GL_CCW); - glCallList (bp->dlists[THUMB_METACARPAL]); - glPushMatrix(); - glScalef (1, -1, 1); - glFrontFace (GL_CW); - glCallList (bp->dlists[THUMB_METACARPAL]); - glPopMatrix(); - - glTranslatef (0, 0, 0.1497); - glRotatef (h->joint[finger][bone] * -180 / M_PI, 0, 1, 0); - bone--; - - glFrontFace (GL_CCW); - glCallList (bp->dlists[THUMB_PROXIMAL]); - glPushMatrix(); - glScalef (1, -1, 1); - glFrontFace (GL_CW); - glCallList (bp->dlists[THUMB_PROXIMAL]); - glPopMatrix(); - - glTranslatef (0, 0, 0.1212); - glRotatef (h->joint[finger][bone] * -180 / M_PI, 0, 1, 0); - bone--; - - glFrontFace (GL_CCW); - glCallList (bp->dlists[THUMB_DISTAL]); - glPushMatrix(); - glScalef (1, -1, 1); - glFrontFace (GL_CW); - glCallList (bp->dlists[THUMB_DISTAL]); - glPopMatrix(); - } - else - { - switch (finger) { - case 1: /* index */ - glTranslatef (off * 0.135, 0.004, 0.26835); - glRotatef (off * 4, 0, 1, 0); - break; - case 2: /* middle */ - glTranslatef (off * 0.046, 0.004, 0.27152); - glRotatef (off * 1, 0, 1, 0); - break; - case 3: /* ring */ - glTranslatef (off * -0.046, 0.004, 0.25577); - glRotatef (off * -1, 0, 1, 0); - break; - case 4: /* pinky */ - glTranslatef (off * -0.135, 0.004, 0.22204); - glRotatef (off * -4, 0, 1, 0); - break; - default: abort(); break; - } - - glRotatef (90, 0, 0, 1); - - glFrontFace (GL_CCW); - glCallList (bp->dlists[FINGER_METACARPAL]); - glPushMatrix(); - glScalef (1, -1, 1); - glFrontFace (GL_CW); - glCallList (bp->dlists[FINGER_METACARPAL]); - glPopMatrix(); - - glTranslatef (0, 0, 0.1155); - glRotatef (off * h->base[finger] * -180 / M_PI, 1, 0, 0); - glRotatef (h->joint[finger][bone] * -180 / M_PI, 0, 1, 0); - bone--; - - glFrontFace (GL_CCW); - glCallList (bp->dlists[FINGER_PROXIMAL]); - glPushMatrix(); - glScalef (1, -1, 1); - glFrontFace (GL_CW); - glCallList (bp->dlists[FINGER_PROXIMAL]); - glPopMatrix(); - - glTranslatef (0, 0, 0.1815); - glRotatef (h->joint[finger][bone] * -180 / M_PI, 0, 1, 0); - bone--; - - glFrontFace (GL_CCW); - glCallList (bp->dlists[FINGER_INTERMEDIATE]); - glPushMatrix(); - glScalef (1, -1, 1); - glFrontFace (GL_CW); - glCallList (bp->dlists[FINGER_INTERMEDIATE]); - glPopMatrix(); - - glTranslatef (0, 0, 0.1003); - glRotatef (h->joint[finger][bone] * -180 / M_PI, 0, 1, 0); - bone--; - - glFrontFace (GL_CCW); - glCallList (bp->dlists[FINGER_DISTAL]); - glPushMatrix(); - glScalef (1, -1, 1); - glFrontFace (GL_CW); - glCallList (bp->dlists[FINGER_DISTAL]); - glPopMatrix(); - } - glPopMatrix(); - } - glPopMatrix(); - - if (h->sinister && bp->ringp) - { - GLfloat color[] = { 1.0, 0.4, 0.4, 1 }; - GLfloat center = 0.4; - GLfloat th; - GLfloat r = center - h->pos[0] + 0.1; - GLfloat min = 0.22; - if (r < min) r = min; - glPushMatrix(); - glTranslatef (-center, -0.28, 0.5); - glRotatef (h->wrist[2] * 180 / M_PI * -off, 0, 0, 1); - glRotatef (h->wrist[0] * 180 / M_PI, 1, 0, 0); - - glColor4fv (color); - glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color); - glDisable (GL_LIGHTING); - glLineWidth (8); - glBegin (GL_LINE_LOOP); - for (th = 0; th < M_PI * 2; th += M_PI / 180) - glVertex3f (r * cos(th), r * sin(th), 0); - glEnd(); - if (! wire) glEnable (GL_LIGHTING); - glPopMatrix(); - } - - glDisable (GL_BLEND); -} - - -static void -parse_color (ModeInfo *mi, char *key, GLfloat color[4]) -{ - XColor xcolor; - char *string = get_string_resource (mi->dpy, key, "Color"); - if (!XParseColor (mi->dpy, mi->xgwa.colormap, string, &xcolor)) - { - fprintf (stderr, "%s: unparsable color in %s: %s\n", progname, - key, string); - exit (1); - } - free (string); - - color[0] = xcolor.red / 65536.0; - color[1] = xcolor.green / 65536.0; - color[2] = xcolor.blue / 65536.0; - color[3] = 1; -} - - -static int -draw_ground (ModeInfo *mi) -{ - int wire = MI_IS_WIREFRAME(mi); - GLfloat i, j, k; - - /* When using fog, iOS apparently doesn't like lines or quads that are - really long, and extend very far outside of the scene. Maybe? If the - length of the line (cells * cell_size) is greater than 25 or so, lines - that are oriented steeply away from the viewer tend to disappear - (whether implemented as GL_LINES or as GL_QUADS). - - So we do a bunch of smaller grids instead of one big one. - */ - int cells = 30; - GLfloat cell_size = 0.8; - int points = 0; - int grids = 12; - GLfloat color[4]; - - if (wire) glLineWidth (1); - - parse_color (mi, "groundColor", color); - - glPushMatrix(); - - glScalef (0.2, 0.2, 0.2); - - glRotatef (frand(90), 0, 0, 1); - - if (!wire) - { - GLfloat fog_color[4] = { 0, 0, 0, 1 }; - - glLineWidth (4); - glEnable (GL_LINE_SMOOTH); - glHint (GL_LINE_SMOOTH_HINT, GL_NICEST); - glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - glEnable (GL_BLEND); - - glFogi (GL_FOG_MODE, GL_EXP2); - glFogfv (GL_FOG_COLOR, fog_color); - glFogf (GL_FOG_DENSITY, 0.015); - glFogf (GL_FOG_START, -cells/2 * cell_size * grids); - glEnable (GL_FOG); - } - - glColor4fv (color); - glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color); - - glTranslatef (-cells * grids * cell_size / 2, - -cells * grids * cell_size / 2, 0); - - for (j = 0; j < grids; j++) - { - glPushMatrix(); - for (k = 0; k < grids; k++) - { - glBegin (GL_LINES); - for (i = -cells/2; i < cells/2; i++) - { - GLfloat a = i * cell_size; - GLfloat b = cells/2 * cell_size; - glVertex3f (a, -b, 0); glVertex3f (a, b, 0); points++; - glVertex3f (-b, a, 0); glVertex3f (b, a, 0); points++; - } - glEnd(); - glTranslatef (cells * cell_size, 0, 0); - } - glPopMatrix(); - glTranslatef (0, cells * cell_size, 0); - } - - if (!wire) - { - glDisable (GL_LINE_SMOOTH); - glDisable (GL_BLEND); - glDisable (GL_FOG); - } - - glPopMatrix(); - - return points; -} - - -ENTRYPOINT void -reshape_hands (ModeInfo *mi, int width, int height) -{ - GLfloat h = (GLfloat) height / (GLfloat) width; - int y = 0; - - 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); - - glClear(GL_COLOR_BUFFER_BIT); -} - - -ENTRYPOINT Bool -hands_handle_event (ModeInfo *mi, XEvent *event) -{ - hands_configuration *bp = &bps[MI_SCREEN(mi)]; - Bool ok = False; - - if (gltrackball_event_handler (event, bp->trackball, - MI_WIDTH (mi), MI_HEIGHT (mi), - &bp->button_down_p)) - ok = True; - else if (debug_p && event->type == KeyPress) - { - int nfingers = countof (bp->geom->fingers); - int nbones = countof (bp->geom->fingers[0].bones); - KeySym keysym; - char c = 0; - Bool tiltp = False; - double delta = 0.02; - double sign = 1; - int i, j, k; - - XLookupString (&event->xkey, &c, 1, &keysym, 0); - - for (i = 0; i < bp->nhands; i++) - { - hand *h = &bp->hands[i].current; - Bool modp = !!event->xkey.state; - - switch (keysym) { - case XK_Up: ok = True; h->pos[(modp ? 1 : 2)] += delta; break; - case XK_Down: ok = True; h->pos[(modp ? 1 : 2)] -= delta; break; - case XK_Right: ok = True; h->pos[0] += delta; break; - case XK_Left: ok = True; h->pos[0] -= delta; break; - default: break; - } - - switch (c) { - case '?': case '/': - ok = True; - fprintf (stderr, "\n" - " Open fingers: 12345 (1 = pinky, 5 = thumb)\n" - " Close fingers: QWERT\n" - " Tilt left: ASDFG\n" - " Tilt right: ZXCVB\n" - " Bend wrist: UJ (up/down)\n" - " Bend wrist: IK (left/right)\n" - " Rotate wrist: OL\n" - " Move origin: arrow keys: XZ plane; shift: XY plane\n" - " Tab: print current state to stdout\n" - " 0: Reset\n" - " ?: This\n\n"); - return ok; - break; - - - case '1': case '!': j = 4; sign = -1; goto FINGER; - case '2': case '@': j = 3; sign = -1; goto FINGER; - case '3': case '#': j = 2; sign = -1; goto FINGER; - case '4': case '$': j = 1; sign = -1; goto FINGER; - case '5': case '%': j = 0; sign = -1; goto FINGER; - - case 'q': case 'Q': j = 4; sign = 1; goto FINGER; - case 'w': case 'W': j = 3; sign = 1; goto FINGER; - case 'e': case 'E': j = 2; sign = 1; goto FINGER; - case 'r': case 'R': j = 1; sign = 1; goto FINGER; - case 't': case 'T': j = 0; sign = 1; goto FINGER; - - case 'a': case 'A': tiltp = True; j = 4; sign = 1; goto FINGER; - case 's': case 'S': tiltp = True; j = 3; sign = 1; goto FINGER; - case 'd': case 'D': tiltp = True; j = 2; sign = 1; goto FINGER; - case 'f': case 'F': tiltp = True; j = 1; sign = 1; goto FINGER; - case 'g': case 'G': tiltp = True; j = 0; sign = 1; goto FINGER; - - case 'z': case 'Z': tiltp = True; j = 4; sign = -1; goto FINGER; - case 'x': case 'X': tiltp = True; j = 3; sign = -1; goto FINGER; - case 'c': case 'C': tiltp = True; j = 2; sign = -1; goto FINGER; - case 'v': case 'V': tiltp = True; j = 1; sign = -1; goto FINGER; - case 'b': case 'B': tiltp = True; j = 0; sign = -1; goto FINGER; - FINGER: - ok = True; - if (tiltp) - h->base[j] = constrain_joint (h->base[j] + sign * delta, - bp->geom->fingers[j].base.min, - bp->geom->fingers[j].base.max); - else - for (k = 0; k < nbones; k++) - h->joint[j][k] = - constrain_joint (h->joint[j][k] + sign * delta, - bp->geom->fingers[j].bones[k].min, - bp->geom->fingers[j].bones[k].max); - break; - - case 'u': case 'U': ok = True; h->wrist[0] -= delta; break; - case 'j': case 'J': ok = True; h->wrist[0] += delta; break; - case 'i': case 'I': ok = True; h->wrist[1] += delta; break; - case 'k': case 'K': ok = True; h->wrist[1] -= delta; break; - case 'o': case 'O': ok = True; h->wrist[2] -= delta; break; - case 'l': case 'L': ok = True; h->wrist[2] += delta; break; - - case '0': case ')': - ok = True; - for (j = 0; j < nfingers; j++) - { - h->base[j] = 0; - for (k = 0; k < nbones; k++) - h->joint[j][k] = 0; - } - for (j = 0; j < 3; j++) - h->wrist[j] = 0; - for (j = 0; j < 3; j++) - h->pos[j] = 0; - break; - - case '\t': - ok = True; - fprintf (stdout, "\nstatic const hand H = {\n {"); - for (i = 0; i < nfingers; i++) - { - if (i > 0) fprintf (stdout, " "); - fprintf (stdout, "{"); - for (j = 0; j < nbones; j++) - { - double v = h->joint[i][j]; - if (i == 0 && j == 3) v = 0; /* no thumb intermediate */ - if (j == 0) fprintf (stdout, " "); - fprintf (stdout, "%.2f", v); - if (j < nbones-1) fprintf (stdout, ", "); - } - fprintf (stdout, " }"); - if (i < nfingers-1) fprintf (stdout, ",\n"); - } - fprintf (stdout, "},\n { "); - for (i = 0; i < nfingers; i++) - { - fprintf (stdout, "%.2f", h->base[i]); - if (i < nfingers-1) fprintf (stdout, ", "); - } - fprintf (stdout, " },\n"); - fprintf (stdout, " { %.2f, %.2f, %.2f },\n", - h->wrist[0], h->wrist[1], h->wrist[2]); - fprintf (stdout, " { %.2f, %.2f, %.2f },\n", - h->pos[0], h->pos[1], h->pos[2]); - fprintf (stdout, " True\n};\n\n"); - fflush (stdout); - return ok; - break; - - default: break; - } - } - } - return ok; -} - - -ENTRYPOINT void -init_hands (ModeInfo *mi) -{ - hands_configuration *bp; - int wire = MI_IS_WIREFRAME(mi); - hand def[2]; - int i; - - MI_INIT (mi, bps); - bp = &bps[MI_SCREEN(mi)]; - - bp->glx_context = init_GL(mi); - - reshape_hands (mi, MI_WIDTH(mi), MI_HEIGHT(mi)); - - bp->pair[0].tick = bp->pair[1].tick = 1.0; - bp->geom = &human_hand; - bp->nhands = MI_COUNT(mi); - if (bp->nhands <= 0) bp->nhands = 1; - - if (bp->nhands & 1) bp->nhands++; /* Even number */ - - if (debug_p) - { - bp->nhands = 1; - do_spin = ""; - do_wander = False; - } - - bp->hands = calloc (bp->nhands, sizeof(*bp->hands)); - - { - double spin_speed = 0.5 * speed; - double wander_speed = 0.005 * speed; - double tilt_speed = 0.001 * speed; - double spin_accel = 0.5; - - char *s = do_spin; - while (*s) - { - if (*s == 'x' || *s == 'X') bp->spinx = True; - else if (*s == 'y' || *s == 'Y') bp->spiny = True; - else if (*s == 'z' || *s == 'Z') bp->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++; - } - - bp->rot = make_rotator (bp->spinx ? spin_speed : 0, - bp->spiny ? spin_speed : 0, - bp->spinz ? spin_speed : 0, - spin_accel, - do_wander ? wander_speed : 0, - False); - bp->rot2 = (face_front_p - ? make_rotator (0, 0, 0, 0, tilt_speed, True) - : 0); - bp->trackball = gltrackball_init (False); - } - - /* Set default hand to the last hand in the animation list. */ - for (i = 0; i <= 1; i++) - { - int j; - for (j = 0; ; j++) - if (!all_hand_anims[j+1].pair[i]) - { - if (! all_hand_anims[j].pair[i]) abort(); - def[i] = *all_hand_anims[j].pair[i]->dest; - if (debug_p) - def[i].alpha = 1; - else - { - def[i].pos[1] = 5; /* off screen */ - def[i].pos[2] = 5; - } - break; - } - } - - for (i = 0; i < bp->nhands; i++) - { - int sinister = (i & 1); - bp->hands[i].to = def[sinister]; - bp->hands[i].to.sinister = sinister; - bp->hands[i].from = bp->hands[i].to; - bp->hands[i].current = bp->hands[i].to; - } - - glFrontFace(GL_CW); - bp->dlists = (GLuint *) calloc (countof(all_objs)+1, sizeof(GLuint)); - for (i = 0; i < countof(all_objs); i++) - bp->dlists[i] = glGenLists (1); - - for (i = 0; i < countof(all_objs); i++) - { - const struct gllist *gll = *all_objs[i]; - GLfloat s = 0.1; - glNewList (bp->dlists[i], GL_COMPILE); - switch (i) { - case GROUND: - if (! ground) - ground = (struct gllist *) calloc (1, sizeof(*ground)); - ground->points = draw_ground (mi); - break; - default: - glPushMatrix(); - glScalef (s, s, s); - renderList (gll, wire); - glPopMatrix(); - break; - } - glEndList (); - } - - if (!wire) - { - GLfloat pos[4] = {0.4, 0.2, 0.4, 0.0}; - 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); - } - - parse_color (mi, "foreground", bp->color); -} - - -static void -tick_hands (ModeInfo *mi) -{ - hands_configuration *bp = &bps[MI_SCREEN(mi)]; - int i, j, k, nfingers, nbones, sinister; - double now = double_time(); - - if (debug_p) return; - - if (!bp->pair[0].anim && /* Both hands finished. */ - !bp->pair[1].anim) /* Pick a new animation. */ - { - int nanims = 0; - while (all_hand_anims[nanims].pair[0] || - all_hand_anims[nanims].pair[1]) - nanims++; - i = random() % nanims; - for (sinister = 0; sinister <= 1; sinister++) - { - bp->pair[sinister].anim = all_hand_anims[i].pair[sinister]; - bp->pair[sinister].anim_hand = 0; - bp->pair[sinister].anim_hands = 0; - while (bp->pair[sinister].anim[bp->pair[sinister].anim_hands].dest) - bp->pair[sinister].anim_hands++; - bp->pair[sinister].anim_start = now; - bp->pair[sinister].tick = 0; - - if (sinister == 1) - bp->pair[sinister].delay = all_hand_anims[i].delay; - } - - bp->ringp = (all_hand_anims[i].pair[0] == goatse_anim); - - for (i = 0; i < bp->nhands; i++) - { - sinister = bp->hands[i].from.sinister; - bp->hands[i].from = bp->hands[i].current; - bp->hands[i].to = *bp->pair[sinister].anim->dest; - bp->hands[i].to.sinister = sinister; - - j = bp->pair[sinister].anim_hand; - - bp->hands[i].to.alpha = - (bp->pair[sinister].anim == hidden_anim ? 0 : 1); - - /* Anim keyframes can adjust position and rotation */ - for (k = 0; k < 3; k++) - { - bp->hands[i].to.wrist[k] += - bp->pair[sinister].anim[j].rot[k]; - bp->hands[i].to.pos[k] += - bp->pair[sinister].anim[j].pos[k]; - } - } - } - - for (sinister = 0; sinister <= 1; sinister++) - { - const hand_anim *h; - double elapsed, duration, duration2; - - if (! bp->pair[sinister].anim) /* Done with this hand, not the other. */ - continue; - - h = &bp->pair[sinister].anim[bp->pair[sinister].anim_hand]; - - elapsed = now - bp->pair[sinister].anim_start; - duration = h->duration / speed; - duration2 = duration + (bp->pair[sinister].delay + h->pause) / speed; - - if (elapsed > duration2 && /* Done animating and pausing this hand. */ - bp->pair[sinister].tick >= 1) /* ...and painted final frame. */ - { - bp->pair[sinister].anim_hand++; - bp->pair[sinister].tick = 1; - if (bp->pair[sinister].anim_hand >= bp->pair[sinister].anim_hands) - { - /* Done with all steps of this hand's animation. */ - bp->pair[sinister].anim = 0; - for (i = 0; i < bp->nhands; i++) - if (bp->hands[i].from.sinister == sinister) - bp->hands[i].from = bp->hands[i].to = bp->hands[i].current; - } - else - { - /* Move to next step of animation. */ - for (i = 0; i < bp->nhands; i++) - { - if (sinister != bp->hands[i].current.sinister) - continue; - - j = bp->pair[sinister].anim_hand; - bp->hands[i].from = bp->hands[i].current; - bp->hands[i].to = *bp->pair[sinister].anim[j].dest; - bp->hands[i].to.alpha = - (bp->pair[sinister].anim == hidden_anim ? 0 : 1); - - /* Anim keyframes can adjust position and rotation */ - for (k = 0; k < 3; k++) - { - bp->hands[i].to.wrist[k] += - bp->pair[sinister].anim[j].rot[k]; - bp->hands[i].to.pos[k] += - bp->pair[sinister].anim[j].pos[k]; - } - } - bp->pair[sinister].anim_start = now; - bp->pair[sinister].tick = 0; - bp->pair[sinister].delay = 0; - } - } - else if (elapsed > duration) /* Done animating, still pausing. */ - bp->pair[sinister].tick = 1; - else /* Still animating. */ - bp->pair[sinister].tick = elapsed / duration; - - if (bp->pair[sinister].tick > 1) - bp->pair[sinister].tick = 1; - - /* Move the joints into position: - compute 'current' between 'from' and 'to' by ratio 'tick'. */ - - nfingers = countof (bp->geom->fingers); - nbones = countof (bp->geom->fingers[0].bones); - for (i = 0; i < bp->nhands; i++) - { - if (bp->hands[i].current.sinister != sinister) - continue; - for (j = 0; j < nfingers; j++) - { - for (k = 0; k < nbones; k++) - bp->hands[i].current.joint[j][k] = - constrain_joint (bp->hands[i].from.joint[j][k] + - bp->pair[sinister].tick - * (bp->hands[i].to.joint[j][k] - - bp->hands[i].from.joint[j][k]), - bp->geom->fingers[j].bones[k].min, - bp->geom->fingers[j].bones[k].max); - bp->hands[i].current.base[j] = - constrain_joint (bp->hands[i].from.base[j] + - bp->pair[sinister].tick - * (bp->hands[i].to.base[j] - - bp->hands[i].from.base[j]), - bp->geom->fingers[j].base.min, - bp->geom->fingers[j].base.max); - } - j = 0; - bp->hands[i].current.wrist[j] = - constrain_joint (bp->hands[i].from.wrist[j] + - bp->pair[sinister].tick - * (bp->hands[i].to.wrist[j] - - bp->hands[i].from.wrist[j]), - bp->geom->palm.min, - bp->geom->palm.max); - j = 1; - bp->hands[i].current.wrist[j] = - constrain_joint (bp->hands[i].from.wrist[j] + - bp->pair[sinister].tick - * (bp->hands[i].to.wrist[j] - - bp->hands[i].from.wrist[j]), - bp->geom->wrist1.min, - bp->geom->wrist1.max); - j = 2; - bp->hands[i].current.wrist[j] = - constrain_joint (bp->hands[i].from.wrist[j] + - bp->pair[sinister].tick - * (bp->hands[i].to.wrist[j] - - bp->hands[i].from.wrist[j]), - bp->geom->wrist2.min, - bp->geom->wrist2.max); - for (j = 0; j < 3; j++) - bp->hands[i].current.pos[j] = - constrain_joint (bp->hands[i].from.pos[j] + - bp->pair[sinister].tick - * (bp->hands[i].to.pos[j] - - bp->hands[i].from.pos[j]), - -999, 999); - bp->hands[i].current.alpha = - bp->hands[i].from.alpha + - bp->pair[sinister].tick * - (bp->hands[i].to.alpha - bp->hands[i].from.alpha); - } - } -} - - -ENTRYPOINT void -draw_hands (ModeInfo *mi) -{ - hands_configuration *bp = &bps[MI_SCREEN(mi)]; - Display *dpy = MI_DISPLAY(mi); - Window window = MI_WINDOW(mi); - GLfloat s; - int i; - - static const GLfloat bspec[4] = {1.0, 1.0, 1.0, 1.0}; - static const GLfloat bshiny = 128.0; - GLfloat bcolor[4] = { 0.7, 0.7, 1.0, 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 (); - - glRotatef(current_device_rotation(), 0, 0, 1); - - s = 10; - glScalef (s, s, s); - - { - double x, y, z; - - gltrackball_rotate (bp->trackball); - - if (face_front_p) - { - double maxx = 120 / 10.0; - double maxy = 55 / 10.0; - double maxz = 40 / 10.0; - get_position (bp->rot2, &x, &y, &z, !bp->button_down_p); - if (bp->spinx) glRotatef (maxx/2 - x*maxx, 0, 1, 0); - if (bp->spiny) glRotatef (maxy/2 - y*maxy, 1, 0, 0); - if (bp->spinz) glRotatef (maxz/2 - z*maxz, 0, 0, 1); - } - else - { - get_rotation (bp->rot, &x, &y, &z, !bp->button_down_p); - glRotatef (x * 360, 1, 0, 0); - glRotatef (y * 360, 0, 1, 0); - glRotatef (z * 360, 0, 0, 1); - } - - glRotatef (-70, 1, 0, 0); - - glTranslatef (0, 0, -0.5); - - glPushMatrix(); - glRotatef ((bp->spiny ? y : bp->spinx ? x : z) * 90, 0, 0, 1); - glCallList (bp->dlists[GROUND]); - glPopMatrix(); - - get_position (bp->rot, &x, &y, &z, !bp->button_down_p); - z += 1; /* Origin of hands is 1.0 above floor. */ - glTranslatef((x - 0.5) * 0.8, - (y - 0.5) * 1.1, - (z - 0.5) * 0.2); - } - - glMaterialfv (GL_FRONT, GL_SPECULAR, bspec); - glMateriali (GL_FRONT, GL_SHININESS, bshiny); - glMaterialfv (GL_FRONT, GL_AMBIENT_AND_DIFFUSE, bcolor); - - { - /* Lay the pairs out in a square-ish grid, keeping pairs together. */ - int rows = sqrt (bp->nhands / 2); - int cols; - int x, y; - - cols = ceil (bp->nhands / 2.0 / rows); - - if (bp->nhands <= 2) - rows = cols = 1; - - if (MI_WIDTH(mi) < MI_HEIGHT(mi)) /* Portrait */ - { - s = 0.5; - glScalef (s, s, s); - } - - if (bp->nhands == 1) - glScalef (2, 2, 2); - - if (cols > 1) - { - s = 1.0 / rows; - glScalef (s, s, s); - } - - if (bp->nhands > 1) - { - s = 0.8; - glTranslatef (-s * rows * 1.5, -s * cols, 0); - glTranslatef (s, s, 0); - } - - i = 0; - for (y = 0; y < cols; y++) - for (x = 0; x < rows; x++) - { - glPushMatrix(); - glTranslatef (x * s * 3, y * s * 2, y * s); - if (i < bp->nhands) - draw_hand (mi, &bp->hands[i++].current); - glTranslatef (s, 0, 0); - if (i < bp->nhands) - draw_hand (mi, &bp->hands[i++].current); - glPopMatrix(); - } - } - glPopMatrix(); - - tick_hands (mi); - - if (mi->fps_p) do_fps (mi); - glFinish(); - - glXSwapBuffers(dpy, window); -} - - -ENTRYPOINT void -free_hands (ModeInfo *mi) -{ - hands_configuration *bp = &bps[MI_SCREEN(mi)]; - int i; - if (!bp->glx_context) return; - glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *bp->glx_context); - if (bp->rot) free_rotator (bp->rot); - if (bp->trackball) gltrackball_free (bp->trackball); - - if (bp->dlists) { - for (i = 0; i < countof(all_objs); i++) - if (glIsList(bp->dlists[i])) glDeleteLists(bp->dlists[i], 1); - free (bp->dlists); - } -} - -XSCREENSAVER_MODULE_2 ("Handsy", handsy, hands) - -#endif /* USE_GL */ |