* In real OpenGL, PseudoColor DO NOT support texture map (as far as I know).
*/
-#ifdef VMS
-#include <X11/Intrinsic.h>
-#endif
-
#ifdef STANDALONE
# define MODE_moebius
-# define PROGCLASS "Moebius"
-# define HACK_INIT init_moebius
-# define HACK_DRAW draw_moebius
-# define HACK_RESHAPE reshape_moebius
-# define HACK_HANDLE_EVENT moebius_handle_event
-# define EVENT_MASK PointerMotionMask
-# define moebius_opts xlockmore_opts
+# define refresh_moebius 0
+# define release_moebius 0
# define DEFAULTS "*delay: 20000 \n" \
"*showFPS: False \n" \
- "*wireframe: False \n"
+ "*suppressRotationAnimation: True\n" \
+
# include "xlockmore.h" /* from the xscreensaver distribution */
#else /* !STANDALONE */
# include "xlock.h" /* from the xlockmore distribution */
-
#endif /* !STANDALONE */
-#ifdef MODE_moebius
+#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 */
-#include <GL/glu.h>
+#ifdef MODE_moebius
+
+#if 0 /* Hey, this never actually used the texture at all! */
+#if 0
#include "e_textures.h"
+#else
+#include "xpm-ximage.h"
+#include "../images/wood.xpm"
+#endif
+#endif /* 0 */
+
+#include "sphere.h"
+#include "tube.h"
+
#include "rotator.h"
#include "gltrackball.h"
#define DEF_SOLIDMOEBIUS "False"
-#define DEF_NOANTS "False"
+#define DEF_DRAWANTS "True"
static int solidmoebius;
-static int noants;
+static int drawants;
static XrmOptionDescRec opts[] =
{
{"-solidmoebius", ".moebius.solidmoebius", XrmoptionNoArg, "on"},
{"+solidmoebius", ".moebius.solidmoebius", XrmoptionNoArg, "off"},
- {"-noants", ".moebius.noants", XrmoptionNoArg, "on"},
- {"+noants", ".moebius.noants", XrmoptionNoArg, "off"}
+ {"-ants", ".moebius.drawants", XrmoptionNoArg, "on"},
+ {"+ants", ".moebius.drawants", XrmoptionNoArg, "off"}
};
static argtype vars[] =
{
{&solidmoebius, "solidmoebius", "Solidmoebius", DEF_SOLIDMOEBIUS, t_Bool},
- {&noants, "noants", "Noants", DEF_NOANTS, t_Bool}
+ {&drawants, "drawants", "Drawants", DEF_DRAWANTS, t_Bool}
};
static OptionStruct desc[] =
{
{"-/+solidmoebius", "select between a SOLID or a NET Moebius Strip"},
- {"-/+noants", "turn on/off walking ants"}
+ {"-/+drawants", "turn on/off walking ants"}
};
-ModeSpecOpt moebius_opts =
+ENTRYPOINT ModeSpecOpt moebius_opts =
{sizeof opts / sizeof opts[0], opts, sizeof vars / sizeof vars[0], vars, desc};
#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};
GLint WindH, WindW;
GLfloat step;
GLfloat ant_position;
+ float ant_step;
GLXContext *glx_context;
rotator *rot;
trackball_state *trackball;
Bool button_down_p;
} moebiusstruct;
-static float front_shininess[] =
-{60.0};
-static float front_specular[] =
-{0.7, 0.7, 0.7, 1.0};
-static float ambient[] =
-{0.0, 0.0, 0.0, 1.0};
-static float diffuse[] =
-{1.0, 1.0, 1.0, 1.0};
-static float position0[] =
-{1.0, 1.0, 1.0, 0.0};
-static float position1[] =
-{-1.0, -1.0, 1.0, 0.0};
-static float lmodel_ambient[] =
-{0.5, 0.5, 0.5, 1.0};
-static float lmodel_twoside[] =
-{GL_TRUE};
-
-static float MaterialRed[] =
-{0.7, 0.0, 0.0, 1.0};
-static float MaterialGreen[] =
-{0.1, 0.5, 0.2, 1.0};
-static float MaterialBlue[] =
-{0.0, 0.0, 0.7, 1.0};
-static float MaterialCyan[] =
-{0.2, 0.5, 0.7, 1.0};
-static float MaterialYellow[] =
-{0.7, 0.7, 0.0, 1.0};
-static float MaterialMagenta[] =
-{0.6, 0.2, 0.5, 1.0};
-static float MaterialWhite[] =
-{0.7, 0.7, 0.7, 1.0};
-static float MaterialGray[] =
-{0.2, 0.2, 0.2, 1.0};
-static float MaterialGray5[] =
-{0.5, 0.5, 0.5, 1.0};
-static float MaterialGray6[] =
-{0.6, 0.6, 0.6, 1.0};
-static float MaterialGray8[] =
-{0.8, 0.8, 0.8, 1.0};
+static const float front_shininess[] = {60.0};
+static const float front_specular[] = {0.7, 0.7, 0.7, 1.0};
+static const float ambient[] = {0.0, 0.0, 0.0, 1.0};
+static const float diffuse[] = {1.0, 1.0, 1.0, 1.0};
+static const float position0[] = {1.0, 1.0, 1.0, 0.0};
+static const float position1[] = {-1.0, -1.0, 1.0, 0.0};
+static const float lmodel_ambient[] = {0.5, 0.5, 0.5, 1.0};
+static const float lmodel_twoside[] = {GL_TRUE};
+
+static const float MaterialRed[] = {0.7, 0.0, 0.0, 1.0};
+static const float MaterialGreen[] = {0.1, 0.5, 0.2, 1.0};
+static const float MaterialBlue[] = {0.0, 0.0, 0.7, 1.0};
+static const float MaterialCyan[] = {0.2, 0.5, 0.7, 1.0};
+static const float MaterialYellow[] = {0.7, 0.7, 0.0, 1.0};
+static const float MaterialMagenta[] = {0.6, 0.2, 0.5, 1.0};
+static const float MaterialWhite[] = {0.7, 0.7, 0.7, 1.0};
+static const float MaterialGray[] = {0.2, 0.2, 0.2, 1.0};
+static const float MaterialGray5[] = {0.5, 0.5, 0.5, 1.0};
+static const float MaterialGray6[] = {0.6, 0.6, 0.6, 1.0};
+static const float MaterialGray8[] = {0.8, 0.8, 0.8, 1.0};
static moebiusstruct *moebius = (moebiusstruct *) 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;
}
static Bool
-draw_moebius_ant(moebiusstruct * mp, float *Material, int mono)
+draw_moebius_ant(moebiusstruct * mp, const float *Material, int mono)
{
- static float ant_step = 0;
- float cos1 = cos(ant_step);
- float cos2 = cos(ant_step + 2 * Pi / 3);
- float cos3 = cos(ant_step + 4 * Pi / 3);
- float sin1 = sin(ant_step);
- float sin2 = sin(ant_step + 2 * Pi / 3);
- float sin3 = sin(ant_step + 4 * Pi / 3);
+ float cos1 = cos(mp->ant_step);
+ float cos2 = cos(mp->ant_step + 2 * Pi / 3);
+ float cos3 = cos(mp->ant_step + 4 * Pi / 3);
+ float sin1 = sin(mp->ant_step);
+ float sin2 = sin(mp->ant_step + 2 * Pi / 3);
+ float sin3 = sin(mp->ant_step + 4 * Pi / 3);
if (mono)
glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialGray5);
glEnable(GL_LIGHTING);
- ant_step += 0.3;
+ mp->ant_step += 0.3;
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;
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
}
- if (!noants) {
+ if (drawants) {
/* DRAW BLUE ANT */
glPushMatrix();
glRotatef(mp->ant_position + 180, 0, 0, 1);
#undef MoebiusDivisions
#undef MoebiusTransversals
-void
-reshape_moebius(ModeInfo * mi, int width, int height)
+ENTRYPOINT void
+reshape_moebius (ModeInfo * mi, int width, int height)
{
moebiusstruct *mp = &moebius[MI_SCREEN(mi)];
}
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 = xpm_to_ximage (mi->dpy,
+ mi->xgwa.visual,
+ mi->xgwa.colormap,
+ wood_texture);
+ 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);
}
-
-void
-release_moebius(ModeInfo * mi)
-{
- if (moebius != NULL) {
- (void) free((void *) moebius);
- moebius = (moebiusstruct *) NULL;
- }
- FreeAllGL(mi);
-}
-
-Bool
+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 == 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;
}
-void
-init_moebius(ModeInfo * mi)
+ENTRYPOINT void
+init_moebius (ModeInfo * mi)
{
moebiusstruct *mp;
- if (moebius == NULL) {
- if ((moebius = (moebiusstruct *) calloc(MI_NUM_SCREENS(mi),
- sizeof (moebiusstruct))) == NULL)
- return;
- }
+ MI_INIT (mi, moebius, NULL);
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);
}
}
-void
-draw_moebius(ModeInfo * mi)
+ENTRYPOINT void
+draw_moebius (ModeInfo * mi)
{
moebiusstruct *mp;
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;
}
mp->step += 0.025;
}
-void
-change_moebius(ModeInfo * mi)
+#ifndef STANDALONE
+ENTRYPOINT void
+change_moebius (ModeInfo * mi)
{
moebiusstruct *mp = &moebius[MI_SCREEN(mi)];
glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *(mp->glx_context));
pinit();
}
+#endif /* !STANDALONE */
+
+
+XSCREENSAVER_MODULE ("Moebius", moebius)
#endif
projects / xscreensaver / blobdiff