#ifdef STANDALONE
# define MODE_moebius
-# define refresh_moebius 0
+# define free_moebius 0
+# define release_moebius 0
# define DEFAULTS "*delay: 20000 \n" \
- "*showFPS: False \n"
+ "*showFPS: False \n" \
+ "*suppressRotationAnimation: True\n" \
+
# include "xlockmore.h" /* from the xscreensaver distribution */
#else /* !STANDALONE */
# include "xlock.h" /* from the xlockmore distribution */
#endif /* !STANDALONE */
+#ifdef HAVE_JWXYZ
+# include "jwxyz.h"
+#else
+# include <X11/Xlib.h>
+# include <GL/gl.h>
+# include <GL/glu.h>
+#endif
+
+#ifdef HAVE_JWZGLES
+# include "jwzgles.h"
+#endif /* HAVE_JWZGLES */
+
#ifdef MODE_moebius
+#if 0 /* Hey, this never actually used the texture at all! */
+#if 0
#include "e_textures.h"
+#else
+#include "ximage-loader.h"
+#include "images/gen/wood_png.h"
+#endif
+#endif /* 0 */
+
+#include "sphere.h"
+#include "tube.h"
+
#include "rotator.h"
#include "gltrackball.h"
#ifdef USE_MODULES
ModStruct moebius_description =
-{"moebius", "init_moebius", "draw_moebius", "release_moebius",
+{"moebius", "init_moebius", "draw_moebius", (char *) NULL,
"draw_moebius", "change_moebius", (char *) NULL, &moebius_opts,
1000, 1, 1, 1, 4, 1.0, "",
"Shows Moebius Strip II, an Escher-like GL scene with ants", 0, NULL};
static Bool
mySphere(float radius)
{
+#if 0
GLUquadricObj *quadObj;
if ((quadObj = gluNewQuadric()) == 0)
gluQuadricDrawStyle(quadObj, (GLenum) GLU_FILL);
gluSphere(quadObj, radius, 16, 16);
gluDeleteQuadric(quadObj);
+#else
+ glPushMatrix();
+ glScalef (radius, radius, radius);
+ unit_sphere (16, 16, False);
+ glPopMatrix();
+#endif
return True;
}
static Bool
myCone(float radius)
{
+#if 0
GLUquadricObj *quadObj;
if ((quadObj = gluNewQuadric()) == 0)
gluQuadricDrawStyle(quadObj, (GLenum) GLU_FILL);
gluCylinder(quadObj, radius, 0, radius * 3, 8, 1);
gluDeleteQuadric(quadObj);
+#else
+ cone (0, 0, 0,
+ 0, 0, radius * 3,
+ radius, 0,
+ 8, True, True, False);
+#endif
return True;
}
float Cx, Cy, Cz;
+#ifdef HAVE_JWZGLES /* #### glPolygonMode other than GL_FILL unimplemented */
+ solidmoebius = True;
+#endif
+
if (solidmoebius) {
glBegin(GL_QUAD_STRIP);
Phi = 0;
reshape_moebius (ModeInfo * mi, int width, int height)
{
moebiusstruct *mp = &moebius[MI_SCREEN(mi)];
+ int y = 0;
- glViewport(0, 0, mp->WindW = (GLint) width, mp->WindH = (GLint) height);
+ if (width > height * 5) { /* tiny window: show middle */
+ height = width;
+ y = -height/2;
+ }
+
+ glViewport(0, y, mp->WindW = (GLint) width, mp->WindH = (GLint) height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 15.0);
}
static void
-pinit(void)
+pinit(ModeInfo *mi)
{
- int status;
+ /* int status; */
glClearDepth(1.0);
- glClearColor(0.0, 0.0, 0.0, 1.0);
-
glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
glLightfv(GL_LIGHT0, GL_POSITION, position0);
/* moebius */
glShadeModel(GL_SMOOTH);
glEnable(GL_DEPTH_TEST);
- glDisable(GL_TEXTURE_2D);
glDisable(GL_CULL_FACE);
+#if 0
+ glEnable(GL_TEXTURE_2D);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+#if 0
clear_gl_error();
status = gluBuild2DMipmaps(GL_TEXTURE_2D, 3,
WoodTextureWidth, WoodTextureHeight,
exit (1);
}
check_gl_error("mipmapping");
+#else
+ {
+ XImage *img = image_data_to_ximage (mi->dpy, mi->xgwa.visual,
+ wood_png, sizeof(wood_png));
+ glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA,
+ img->width, img->height, 0,
+ GL_RGBA,
+ /* GL_UNSIGNED_BYTE, */
+ GL_UNSIGNED_INT_8_8_8_8_REV,
+ img->data);
+ check_gl_error("texture");
+ XDestroyImage (img);
+ }
+#endif
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+#endif
glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, front_shininess);
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, front_specular);
}
-
-ENTRYPOINT void
-release_moebius (ModeInfo * mi)
-{
- if (moebius != NULL) {
- (void) free((void *) moebius);
- moebius = (moebiusstruct *) NULL;
- }
- FreeAllGL(mi);
-}
-
ENTRYPOINT Bool
moebius_handle_event (ModeInfo *mi, XEvent *event)
{
moebiusstruct *mp = &moebius[MI_SCREEN(mi)];
- if (event->xany.type == ButtonPress &&
- event->xbutton.button == Button1)
- {
- mp->button_down_p = True;
- gltrackball_start (mp->trackball,
- event->xbutton.x, event->xbutton.y,
- MI_WIDTH (mi), MI_HEIGHT (mi));
- return True;
- }
- else if (event->xany.type == ButtonRelease &&
- event->xbutton.button == Button1)
- {
- mp->button_down_p = False;
- return True;
- }
- else if (event->xany.type == ButtonPress &&
- (event->xbutton.button == Button4 ||
- event->xbutton.button == Button5))
- {
- gltrackball_mousewheel (mp->trackball, event->xbutton.button, 10,
- !!event->xbutton.state);
- return True;
- }
- else if (event->xany.type == MotionNotify &&
- mp->button_down_p)
- {
- gltrackball_track (mp->trackball,
- event->xmotion.x, event->xmotion.y,
- MI_WIDTH (mi), MI_HEIGHT (mi));
- return True;
- }
+ if (gltrackball_event_handler (event, mp->trackball,
+ MI_WIDTH (mi), MI_HEIGHT (mi),
+ &mp->button_down_p))
+ return True;
return False;
}
{
moebiusstruct *mp;
- if (moebius == NULL) {
- if ((moebius = (moebiusstruct *) calloc(MI_NUM_SCREENS(mi),
- sizeof (moebiusstruct))) == NULL)
- return;
- }
+ MI_INIT (mi, moebius);
mp = &moebius[MI_SCREEN(mi)];
mp->step = NRAND(90);
mp->ant_position = NRAND(90);
{
double rot_speed = 0.3;
mp->rot = make_rotator (rot_speed, rot_speed, rot_speed, 1, 0, True);
- mp->trackball = gltrackball_init ();
+ mp->trackball = gltrackball_init (True);
}
if ((mp->glx_context = init_GL(mi)) != NULL) {
reshape_moebius(mi, MI_WIDTH(mi), MI_HEIGHT(mi));
glDrawBuffer(GL_BACK);
- pinit();
+ pinit(mi);
} else {
MI_CLEARWINDOW(mi);
}
glPushMatrix();
+
glTranslatef(0.0, 0.0, -10.0);
gltrackball_rotate (mp->trackball);
glScalef(Scale4Iconic * mp->WindH / mp->WindW, Scale4Iconic, Scale4Iconic);
}
+# ifdef HAVE_MOBILE /* Keep it the same relative size when rotated. */
+ {
+ GLfloat h = MI_HEIGHT(mi) / (GLfloat) MI_WIDTH(mi);
+ int o = (int) current_device_rotation();
+ if (o != 0 && o != 180 && o != -180) {
+ glScalef (1/h, h, 1); /* #### not quite right */
+ h = 1.7;
+ glScalef (h, h, h);
+ }
+ }
+# endif
+
{
double x, y, z;
get_rotation (mp->rot, &x, &y, &z, !mp->button_down_p);
/* moebius */
if (!draw_moebius_strip(mi)) {
- release_moebius(mi);
+ MI_ABORT(mi);
return;
}