* 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 DEFAULTS "*delay: 20000 \n" \
- "*showFPS: False \n" \
- "*wireframe: False \n"
+ "*showFPS: False \n"
+
# include "xlockmore.h" /* from the xscreensaver distribution */
#else /* !STANDALONE */
# include "xlock.h" /* from the xlockmore distribution */
-
#endif /* !STANDALONE */
#ifdef MODE_moebius
-
-#include <GL/glu.h>
#include "e_textures.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[] =
{
- {(char *) "-solidmoebius", (char *) ".moebius.solidmoebius", XrmoptionNoArg, (caddr_t) "on"},
- {(char *) "+solidmoebius", (char *) ".moebius.solidmoebius", XrmoptionNoArg, (caddr_t) "off"},
- {(char *) "-noants", (char *) ".moebius.noants", XrmoptionNoArg, (caddr_t) "on"},
- {(char *) "+noants", (char *) ".moebius.noants", XrmoptionNoArg, (caddr_t) "off"}
+ {"-solidmoebius", ".moebius.solidmoebius", XrmoptionNoArg, "on"},
+ {"+solidmoebius", ".moebius.solidmoebius", XrmoptionNoArg, "off"},
+ {"-ants", ".moebius.drawants", XrmoptionNoArg, "on"},
+ {"+ants", ".moebius.drawants", XrmoptionNoArg, "off"}
};
static argtype vars[] =
{
- {(caddr_t *) & solidmoebius, (char *) "solidmoebius", (char *) "Solidmoebius", (char *) DEF_SOLIDMOEBIUS, t_Bool},
- {(caddr_t *) & noants, (char *) "noants", (char *) "Noants", (char *) DEF_NOANTS, t_Bool}
+ {&solidmoebius, "solidmoebius", "Solidmoebius", DEF_SOLIDMOEBIUS, t_Bool},
+ {&drawants, "drawants", "Drawants", DEF_DRAWANTS, t_Bool}
};
static OptionStruct desc[] =
{
- {(char *) "-/+solidmoebius", (char *) "select between a SOLID or a NET Moebius Strip"},
- {(char *) "-/+noants", (char *) "turn on/off walking ants"}
+ {"-/+solidmoebius", "select between a SOLID or a NET Moebius Strip"},
+ {"-/+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
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
-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;
}
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)];
{
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);
-void
-release_moebius(ModeInfo * mi)
+ENTRYPOINT void
+release_moebius (ModeInfo * mi)
{
if (moebius != NULL) {
(void) free((void *) moebius);
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)
+ event->xbutton.button == Button1)
{
mp->button_down_p = True;
gltrackball_start (mp->trackball,
return True;
}
else if (event->xany.type == ButtonRelease &&
- event->xbutton.button & Button1)
+ 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 ||
+ event->xbutton.button == Button6 ||
+ event->xbutton.button == Button7))
+ {
+ gltrackball_mousewheel (mp->trackball, event->xbutton.button, 10,
+ !!event->xbutton.state);
+ return True;
+ }
else if (event->xany.type == MotionNotify &&
mp->button_down_p)
{
}
-void
-init_moebius(ModeInfo * mi)
+ENTRYPOINT void
+init_moebius (ModeInfo * mi)
{
moebiusstruct *mp;
}
}
-void
-draw_moebius(ModeInfo * mi)
+ENTRYPOINT void
+draw_moebius (ModeInfo * mi)
{
moebiusstruct *mp;
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