-/* cubenetic, Copyright (c) 2002 Jamie Zawinski <jwz@jwz.org>
+/* 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
* implied warranty.
*/
-#include <X11/Intrinsic.h>
-
-extern XtAppContext app;
-
-#define PROGCLASS "Cubenetic"
-#define HACK_INIT init_cube
-#define HACK_DRAW draw_cube
-#define HACK_RESHAPE reshape_cube
-#define ccs_opts xlockmore_opts
-
-#define DEF_SPIN "XYZ"
-#define DEF_WANDER "True"
-#define DEF_TEXTURE "True"
-
-#define DEF_WAVE_COUNT "3"
-#define DEF_WAVE_SPEED "80"
-#define DEF_WAVE_RADIUS "512"
-
-#define DEFAULTS "*delay: 30000 \n" \
+#define DEFAULTS "*delay: 20000 \n" \
"*count: 5 \n" \
"*showFPS: False \n" \
"*wireframe: False \n" \
- "*spin: " DEF_SPIN "\n" \
- "*wander: " DEF_WANDER "\n" \
- "*texture: " DEF_TEXTURE"\n" \
- "*waves: " DEF_WAVE_COUNT "\n" \
- "*waveSpeed: " DEF_WAVE_SPEED "\n" \
- "*waveRadius: " DEF_WAVE_RADIUS "\n" \
+ "*suppressRotationAnimation: True\n" \
+# define free_cube 0
+# define release_cube 0
#undef countof
#define countof(x) (sizeof((x))/sizeof((*x)))
#include "xlockmore.h"
#include "colors.h"
+#include "rotator.h"
+#include "gltrackball.h"
#include <ctype.h>
#ifdef USE_GL /* whole file */
-#include <GL/glu.h>
+
+#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;
typedef struct {
GLXContext *glx_context;
-
- GLfloat rotx, roty, rotz; /* current object rotation */
- GLfloat dx, dy, dz; /* current rotational velocity */
- GLfloat ddx, ddy, ddz; /* current rotational acceleration */
- GLfloat d_max; /* max velocity */
- Bool spin_x, spin_y, spin_z;
+ rotator *rot;
+ trackball_state *trackball;
+ Bool button_down_p;
GLuint cube_list;
GLuint texture_id;
+ int cube_polys;
int ncubes;
cube *cubes;
waves *waves;
{ "+spin", ".spin", XrmoptionNoArg, "" },
{ "-wander", ".wander", XrmoptionNoArg, "True" },
{ "+wander", ".wander", XrmoptionNoArg, "False" },
- {"-texture", ".texture", XrmoptionNoArg, (caddr_t) "true" },
- {"+texture", ".texture", XrmoptionNoArg, (caddr_t) "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[] = {
- {(caddr_t *) &do_spin, "spin", "Spin", DEF_SPIN, t_String},
- {(caddr_t *) &do_wander, "wander", "Wander", DEF_WANDER, t_Bool},
- {(caddr_t *) &do_texture, "texture", "Texture", DEF_TEXTURE, t_Bool},
- {(caddr_t *) &wave_count, "waves", "Waves", DEF_WAVE_COUNT, t_Int},
- {(caddr_t *) &wave_speed, "waveSpeed", "WaveSpeed", DEF_WAVE_SPEED, t_Int},
- {(caddr_t *) &wave_radius,"waveRadius","WaveRadius", DEF_WAVE_RADIUS,t_Int},
+ {&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},
};
-ModeSpecOpt ccs_opts = {countof(opts), opts, countof(vars), vars, NULL};
+ENTRYPOINT ModeSpecOpt cube_opts = {countof(opts), opts, countof(vars), vars, NULL};
-static void
+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 */
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 */
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 */
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;
+ if (wire) return polys;
glBegin (wire ? GL_LINE_LOOP : GL_QUADS); /* top */
glNormal3f (0, 1, 0);
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 */
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
*/
-void
+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, 0, (GLint) width, (GLint) height);
+ glViewport (0, y, (GLint) width, (GLint) height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
- gluPerspective( 30.0, 1/h, 1.0, 100.0 );
- gluLookAt( 0.0, 0.0, 15.0,
- 0.0, 0.0, 0.0,
- 0.0, 1.0, 0.0);
+ gluPerspective (30.0, 1/h, 1.0, 100.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
- glTranslatef(0.0, 0.0, -15.0);
-
- glClear(GL_COLOR_BUFFER_BIT);
-}
-
-
-/* lifted from lament.c */
-#define RAND(n) ((long) ((random() & 0x7fffffff) % ((long) (n))))
-#define RANDSIGN() ((random() & 1) ? 1 : -1)
-
-static void
-rotate(GLfloat *pos, GLfloat *v, GLfloat *dv, GLfloat max_v)
-{
- double ppos = *pos;
-
- /* tick position */
- if (ppos < 0)
- ppos = -(ppos + *v);
- else
- ppos += *v;
-
- if (ppos > 1.0)
- ppos -= 1.0;
- else if (ppos < 0)
- ppos += 1.0;
-
- if (ppos < 0) abort();
- if (ppos > 1.0) abort();
- *pos = (*pos > 0 ? ppos : -ppos);
-
- /* accelerate */
- *v += *dv;
-
- /* clamp velocity */
- if (*v > max_v || *v < -max_v)
- {
- *dv = -*dv;
- }
- /* If it stops, start it going in the other direction. */
- else if (*v < 0)
- {
- if (random() % 4)
- {
- *v = 0;
-
- /* keep going in the same direction */
- if (random() % 2)
- *dv = 0;
- else if (*dv < 0)
- *dv = -*dv;
- }
- else
- {
- /* reverse gears */
- *v = -*v;
- *dv = -*dv;
- *pos = -*pos;
- }
- }
+ gluLookAt( 0.0, 0.0, 30.0,
+ 0.0, 0.0, 0.0,
+ 0.0, 1.0, 0.0);
- /* Alter direction of rotational acceleration randomly. */
- if (! (random() % 120))
- *dv = -*dv;
+# ifdef HAVE_MOBILE /* Keep it the same relative size when rotated. */
+ {
+ int o = (int) current_device_rotation();
+ if (o != 0 && o != 180 && o != -180)
+ glScalef (1/h, 1/h, 1/h);
+ }
+# endif
- /* Change acceleration very occasionally. */
- if (! (random() % 200))
- {
- if (*dv == 0)
- *dv = 0.00001;
- else if (random() & 1)
- *dv *= 1.2;
- else
- *dv *= 0.8;
- }
+ glClear(GL_COLOR_BUFFER_BIT);
}
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);
- glTexGeni (GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
- glTexGeni (GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
check_gl_error("texture initialization");
cc->texture_height = texture_size;
i = texture_size * texture_size * 4;
- cc->texture = (char *) malloc (i);
+ cc->texture = (unsigned char *) malloc (i);
memset (cc->texture, 0xFF, i);
}
}
-void
+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);
- if (!ccs) {
- ccs = (cube_configuration *)
- calloc (MI_NUM_SCREENS(mi), sizeof (cube_configuration));
- if (!ccs) {
- fprintf(stderr, "%s: out of memory\n", progname);
- exit(1);
- }
- }
+ MI_INIT (mi, ccs);
cc = &ccs[MI_SCREEN(mi)];
if (!wire)
{
- static GLfloat pos[4] = {1.0, 0.5, 1.0, 0.0};
- static GLfloat amb[4] = {0.2, 0.2, 0.2, 1.0};
- static GLfloat dif[4] = {1.0, 1.0, 1.0, 1.0};
+ 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);
{
+ 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') cc->spin_x = 1;
- else if (*s == 'y' || *s == 'Y') cc->spin_y = 1;
- else if (*s == 'z' || *s == 'Z') cc->spin_z = 1;
+ 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++;
}
- }
-
- cc->rotx = frand(1.0) * RANDSIGN();
- cc->roty = frand(1.0) * RANDSIGN();
- cc->rotz = frand(1.0) * RANDSIGN();
- /* bell curve from 0-6 degrees, avg 3 */
- cc->dx = (frand(0.7) + frand(0.7) + frand(0.7)) / (360/2);
- cc->dy = (frand(0.7) + frand(0.7) + frand(0.7)) / (360/2);
- cc->dz = (frand(0.7) + frand(0.7) + frand(0.7)) / (360/2);
-
- cc->d_max = cc->dx * 2;
-
- cc->ddx = 0.00006 + frand(0.00003);
- cc->ddy = 0.00006 + frand(0.00003);
- cc->ddz = 0.00006 + frand(0.00003);
+ 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));
- {
- 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,
- 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);
- }
+ reset_colors (mi);
cc->ncubes = MI_COUNT (mi);
cc->cubes = (cube *) calloc (sizeof(cube), cc->ncubes);
cc->cube_list = glGenLists (1);
glNewList (cc->cube_list, GL_COMPILE);
- unit_cube (wire);
+ cc->cube_polys = unit_cube (wire);
glEndList ();
}
}
-void
+ENTRYPOINT void
draw_cube (ModeInfo *mi)
{
cube_configuration *cc = &ccs[MI_SCREEN(mi)];
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);
glScalef(1.1, 1.1, 1.1);
{
- GLfloat x, y, z;
-
- if (do_wander)
- {
- static int frame = 0;
-
-# define SINOID(SCALE,SIZE) \
- ((((1 + sin((frame * (SCALE)) / 2 * M_PI)) / 2.0) * (SIZE)) - (SIZE)/2)
-
- x = SINOID(0.0071, 8.0);
- y = SINOID(0.0053, 6.0);
- z = SINOID(0.0037, 15.0);
- frame++;
- glTranslatef(x, y, z);
- }
-
- if (cc->spin_x || cc->spin_y || cc->spin_z)
- {
- x = cc->rotx;
- y = cc->roty;
- z = cc->rotz;
- if (x < 0) x = 1 - (x + 1);
- if (y < 0) y = 1 - (y + 1);
- if (z < 0) z = 1 - (z + 1);
-
- if (cc->spin_x) glRotatef(x * 360, 1.0, 0.0, 0.0);
- if (cc->spin_y) glRotatef(y * 360, 0.0, 1.0, 0.0);
- if (cc->spin_z) glRotatef(z * 360, 0.0, 0.0, 1.0);
-
- rotate(&cc->rotx, &cc->dx, &cc->ddx, cc->d_max);
- rotate(&cc->roty, &cc->dy, &cc->ddy, cc->d_max);
- rotate(&cc->rotz, &cc->dz, &cc->ddz, cc->d_max);
- }
+ 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);
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 ();
}
glXSwapBuffers(dpy, window);
}
+XSCREENSAVER_MODULE_2 ("Cubenetic", cubenetic, cube)
+
#endif /* USE_GL */