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Diffstat (limited to 'hacks/glx/headroom.c')
| -rw-r--r-- | hacks/glx/headroom.c | 559 |
1 files changed, 0 insertions, 559 deletions
diff --git a/hacks/glx/headroom.c b/hacks/glx/headroom.c deleted file mode 100644 index c122b22..0000000 --- a/hacks/glx/headroom.c +++ /dev/null @@ -1,559 +0,0 @@ -/* headroom, Copyright (c) 2020 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. - * - * Well, it's supposed to be Max Headroom, but I have so far been unable to - * find or commission a decent 3D model of Max. So it's a skull instead. - * This will have to do for now. - * - * Created 29-Nov-2020. - */ - -#define DEFAULTS "*delay: 20000 \n" \ - "*showFPS: False \n" \ - "*skullColor: #777777" "\n" \ - "*teethColor: #FFFFFF" "\n" \ - "*torsoColor: #447744" "\n" \ - "*torsoCapColor:#222222" "\n" \ - "*gridColor1: #AA0000" "\n" \ - "*gridColor2: #00FF00" "\n" \ - "*gridColor3: #6666FF" "\n" \ - "*wireframe: False \n" - -# define release_headroom 0 - -#define DEF_SPEED "1.0" -#define DEF_SPIN "XYZ" -#define DEF_WANDER "False" - -#include "xlockmore.h" - -#include <ctype.h> - -#ifdef USE_GL /* whole file */ - -#include "gltrackball.h" -#include "rotator.h" -#include "gllist.h" - -extern const struct gllist - *headroom_model_skull_half, *headroom_model_jaw_half, - *headroom_model_teeth_upper_half, *headroom_model_teeth_lower_half, - *headroom_model_torso_half, *headroom_model_torso_cap_half; - -static const struct gllist * const *all_objs[] = { - &headroom_model_skull_half, &headroom_model_jaw_half, - &headroom_model_teeth_upper_half, &headroom_model_teeth_lower_half, - &headroom_model_torso_half, &headroom_model_torso_cap_half, -}; - -enum { SKULL_HALF, JAW_HALF, TEETH_UPPER_HALF, TEETH_LOWER_HALF, TORSO_HALF, - TORSO_CAP_HALF }; - -typedef struct { GLfloat x, y, z; } XYZ; - -typedef struct { - GLXContext *glx_context; - rotator *rot, *rot2, *rot3; - trackball_state *trackball; - Bool button_down_p; - Bool spinx, spiny, spinz; - - XYZ head_pos; - GLfloat jaw_pos; - GLfloat grid_colors[3][4]; - - GLuint *dlists; - GLfloat component_colors[countof(all_objs)][4]; -} headroom_configuration; - -static headroom_configuration *bps = NULL; - -static GLfloat speed; -static char *do_spin; -static Bool do_wander; - -static XrmOptionDescRec opts[] = { - { "-speed", ".speed", XrmoptionSepArg, 0 }, - { "-spin", ".spin", XrmoptionSepArg, 0 }, - { "+spin", ".spin", XrmoptionNoArg, "" }, - { "-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_String}, - {&do_wander, "wander", "Wander", DEF_WANDER, t_Bool}, -}; - -ENTRYPOINT ModeSpecOpt headroom_opts = { - countof(opts), opts, countof(vars), vars, NULL}; - - -/* Window management, etc - */ -ENTRYPOINT void -reshape_headroom (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, 1/h, 1, 500); - - glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); - gluLookAt( 0, 0, 30, - 0, 0, 0, - 0, 1, 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 -headroom_handle_event (ModeInfo *mi, XEvent *event) -{ - headroom_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; -} - - -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; -} - - -ENTRYPOINT void -init_headroom (ModeInfo *mi) -{ - headroom_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_headroom (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] = {0.4, 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); - - glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - } - - - { - double spin_speed = 0.5; - double wander_speed = 0.002 * speed; - double tilt_speed = 0.005 * speed; - double spin_accel = 0.5; - - double spin_speed_2 = 0.2 * speed; - double spin_accel_2 = 0.2; - double wander_speed_2 = 0.01 * speed; - - 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 = make_rotator (0, 0, 0, 0, tilt_speed, True); - - bp->rot3 = make_rotator (spin_speed_2, spin_speed_2, spin_speed_2, - spin_accel_2, wander_speed_2, True); - - bp->trackball = gltrackball_init (False); - } - - 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]; - char *key = 0; - GLfloat spec[4] = {0.4, 0.4, 0.4, 1.0}; - GLfloat shiny = 80; /* 0-128 */ - - glNewList (bp->dlists[i], GL_COMPILE); - - glMatrixMode(GL_MODELVIEW); - glPushMatrix(); - glMatrixMode(GL_TEXTURE); - glPushMatrix(); - glMatrixMode(GL_MODELVIEW); - - glRotatef (-90, 1, 0, 0); - - glBindTexture (GL_TEXTURE_2D, 0); - - switch (i) { - case SKULL_HALF: - case JAW_HALF: - key = "skullColor"; - break; - case TEETH_UPPER_HALF: - case TEETH_LOWER_HALF: - key = "teethColor"; - break; - case TORSO_HALF: - key = "torsoColor"; - break; - case TORSO_CAP_HALF: - key = "torsoCapColor"; - break; - default: - abort(); - } - - parse_color (mi, key, bp->component_colors[i]); - - glMaterialfv (GL_FRONT_AND_BACK, GL_SPECULAR, spec); - glMaterialf (GL_FRONT_AND_BACK, GL_SHININESS, shiny); - renderList (gll, wire); - - glMatrixMode(GL_TEXTURE); - glPopMatrix(); - glMatrixMode(GL_MODELVIEW); - glPopMatrix(); - - glEndList (); - } - - parse_color (mi, "gridColor1", bp->grid_colors[0]); - parse_color (mi, "gridColor2", bp->grid_colors[1]); - parse_color (mi, "gridColor3", bp->grid_colors[2]); - - reshape_headroom (mi, MI_WIDTH(mi), MI_HEIGHT(mi)); -} - - -static int -draw_unit_panel (ModeInfo *mi, GLfloat *color1, GLfloat *color2) -{ - int wire = MI_IS_WIREFRAME(mi); - int polys = 0; - int rows = 36; - GLfloat spacing = 1.0 / rows; - GLfloat thickness = spacing / 8; - int i; - glFrontFace (GL_CCW); - glBegin (wire ? GL_LINES : GL_QUADS); - glNormal3f (0, 0, 1); - for (i = 0; i < rows; i++) - { - GLfloat y = i / (GLfloat) rows + spacing/2; - glColor4fv (color2); - glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color2); - glVertex3f (1, y, 0); - glColor4fv (color1); - glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color1); - glVertex3f (0, y, 0); - glVertex3f (0, y + thickness, 0); - glColor4fv (color2); - glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color2); - glVertex3f (1, y + thickness, 0); - polys++; - } - glEnd(); - return polys; -} - -static int -draw_box (ModeInfo *mi) -{ - headroom_configuration *bp = &bps[MI_SCREEN(mi)]; - int polys = 0; - GLfloat *c0 = bp->grid_colors[0]; - GLfloat *c1 = bp->grid_colors[1]; - GLfloat *c2 = bp->grid_colors[2]; - - glPushMatrix(); - glTranslatef (-0.5, -0.5, 0.5); - polys += draw_unit_panel (mi, c0, c1); - glRotatef (-90, 0, 1, 0); - glTranslatef (-1, 0, 0); - polys += draw_unit_panel (mi, c1, c0); - glRotatef (-90, 0, 1, 0); - glTranslatef (-1, 0, 0); - polys += draw_unit_panel (mi, c0, c1); - glRotatef (-90, 0, 1, 0); - glTranslatef (-1, 0, 0); - polys += draw_unit_panel (mi, c1, c0); - - glRotatef (-90, 1, 0, 0); - glTranslatef (0, 0, 1); - polys += draw_unit_panel (mi, c2, c1); - glRotatef (-180, 1, 0, 0); - glTranslatef (0, -1, 1); - polys += draw_unit_panel (mi, c1, c2); - - - glPopMatrix(); - return polys; -} - - - -static int -draw_component (ModeInfo *mi, int i) -{ - headroom_configuration *bp = &bps[MI_SCREEN(mi)]; - glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, - bp->component_colors[i]); - - glFrontFace (GL_CCW); - glCallList (bp->dlists[i]); - - glPushMatrix(); - glScalef (-1, 1, 1); - glFrontFace (GL_CW); - glCallList (bp->dlists[i]); - glPopMatrix(); - - return 2 * (*all_objs[i])->points / 3; -} - - -ENTRYPOINT void -draw_headroom (ModeInfo *mi) -{ - headroom_configuration *bp = &bps[MI_SCREEN(mi)]; - Display *dpy = MI_DISPLAY(mi); - Window window = MI_WINDOW(mi); - int wire = MI_IS_WIREFRAME(mi); - GLfloat s; - - 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); - - mi->polygon_count = 0; - - { - double x, y, z; - get_rotation (bp->rot3, &x, &y, &z, !bp->button_down_p); - - glPushMatrix(); - glRotatef (x * 360, 1, 0, 0); - glRotatef (y * 360, 0, 1, 0); - glRotatef (z * 360, 0, 0, 1); - - get_position (bp->rot3, &x, &y, &z, !bp->button_down_p); - s = 3; - glScalef (1+x*s, 1+y*s, 1+z*s); - - s = 60; - glScalef (s, s, s); - - if (!wire) glDisable(GL_LIGHTING); - mi->polygon_count += draw_box (mi); - if (!wire) glEnable(GL_LIGHTING); - glPopMatrix(); - glClear(GL_DEPTH_BUFFER_BIT); - } - - { - double x, y, z; - get_position (bp->rot, &x, &y, &z, !bp->button_down_p); - glTranslatef((x - 0.5) * 8, - (y - 0.5) * 6, - (z - 0.5) * 10); - - gltrackball_rotate (bp->trackball); - - { - double maxx = 40; - double maxy = 20; - double maxz = 2; - get_position (bp->rot2, &x, &y, &z, !bp->button_down_p); - if (bp->spinx) glRotatef (maxy/2 - x*maxy, 1, 0, 0); - if (bp->spiny) glRotatef (maxx/2 - y*maxx, 0, 1, 0); - if (bp->spinz) glRotatef (maxz/2 - z*maxz, 0, 0, 1); - } - } - - glTranslatef (0, -6, 0); - s = 0.03; - - glScalef (s, s, s); - - { - /* head x, nod: -50 to +30 - head y, turn: +- 70 - head z, tilt: +- 30 - jaw, open: 0 - 22 - */ - const XYZ head_base = { 0, 200, 0 }; - const XYZ jaw_base = { 0, 270, 40 }; - - mi->polygon_count += draw_component (mi, TORSO_HALF); - mi->polygon_count += draw_component (mi, TORSO_CAP_HALF); - - glTranslatef (head_base.x, head_base.y, head_base.z); - glRotatef (bp->head_pos.x, 1, 0, 0); - glRotatef (bp->head_pos.y, 0, 1, 0); - glRotatef (bp->head_pos.z, 0, 0, 1); - glTranslatef (-head_base.x, -head_base.y, -head_base.z); - - mi->polygon_count += draw_component (mi, SKULL_HALF); - mi->polygon_count += draw_component (mi, TEETH_UPPER_HALF); - - glTranslatef (jaw_base.x, jaw_base.y, jaw_base.z); - glRotatef (bp->jaw_pos, 1, 0, 0); - glTranslatef (-jaw_base.x, -jaw_base.y, -jaw_base.z); - - mi->polygon_count += draw_component (mi, JAW_HALF); - mi->polygon_count += draw_component (mi, TEETH_LOWER_HALF); - - glFrontFace (GL_CCW); - } - - if (! bp->button_down_p) - { - int twitch = 200 / speed; - int untwitch = 50 / speed; - if (twitch < 10) twitch = 10; - if (untwitch < 5) untwitch = 5; - - if (! (random() % twitch)) - bp->head_pos.x = -20.0 + (random() % (20 + 30)); - if (! (random() % twitch)) - bp->head_pos.y = -50.0 + (random() % (50 * 2)); - if (! (random() % twitch)) - bp->head_pos.z = -30.0 + (random() % (30 * 2)); - if (! (random() % twitch)) - bp->jaw_pos = (random() % 22); - - if (! (random() % untwitch)) - { - bp->head_pos.x = 0; - bp->head_pos.y = 0; - bp->head_pos.z = 0; - bp->jaw_pos = 0; - } - } - - glPopMatrix (); - - if (mi->fps_p) do_fps (mi); - glFinish(); - - glXSwapBuffers(dpy, window); -} - - -ENTRYPOINT void -free_headroom (ModeInfo *mi) -{ - headroom_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->trackball) gltrackball_free (bp->trackball); - if (bp->rot) free_rotator (bp->rot); - if (bp->rot2) free_rotator (bp->rot2); - if (bp->rot3) free_rotator (bp->rot3); - 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 ("Headroom", headroom) - -#endif /* USE_GL */ |