+/* -*- Mode: C; tab-width: 4 -*- */
+/* morph3d --- Shows 3D morphing objects */
+
#if !defined( lint ) && !defined( SABER )
-static const char sccsid[] = "@(#)morph3d.c 4.02 97/04/01 xlockmore";
+static const char sccsid[] = "@(#)morph3d.c 4.07 97/11/24 xlockmore";
#endif
#undef DEBUG_CULL_FACE
/*-
- * morph3d.c - Shows 3D morphing objects (XLock Version)
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted,
+ * provided that the above copyright notice appear in all copies and that
+ * both that copyright notice and this permission notice appear in
+ * supporting documentation.
*
- * See xlock.c for copying information.
+ * This file is provided AS IS with no warranties of any kind. The author
+ * shall have no liability with respect to the infringement of copyrights,
+ * trade secrets or any patents by this file or any part thereof. In no
+ * event will the author be liable for any lost revenue or profits or
+ * other special, indirect and consequential damages.
*
* The original code for this mode was written by Marcelo Fernandes Vianna
* (me...) and was inspired on a WindowsNT(R)'s screen saver. It was written
* If you are interested in the original version of this program (not a xlock
* mode, please refer to the Mesa package (ftp iris.ssec.wisc.edu on /pub/Mesa)
*
- * Since I'm not a native english speaker, my apologies for any gramatical
+ * Since I'm not a native English speaker, my apologies for any grammatical
* mistake.
*
* My e-mail addresses are
* vianna@cat.cbpf.br
* and
- * marcelo@venus.rdc.puc-rio.br
+ * m-vianna@usa.net
*
* Marcelo F. Vianna (Feb-13-1997)
*
ModeSpecOpt morph3d_opts =
{0, NULL, 0, NULL, NULL};
+#ifdef USE_MODULES
+ModStruct morph3d_description =
+{"morph3d", "init_morph3d", "draw_morph3d", "release_morph3d",
+ "draw_morph3d", "change_morph3d", NULL, &morph3d_opts,
+ 1000, 0, 1, 1, 1.0, "",
+ "Shows GL morphing polyhedra", 0, NULL};
+
+#endif
+
#define Scale4Window 0.3
#define Scale4Iconic 1.0
void (*draw_object) (ModeInfo * mi);
float Magnitude;
float *MaterialColor[20];
- GLXContext glx_context;
+ GLXContext *glx_context;
} morph3dstruct;
static float front_shininess[] =
static float MaterialWhite[] =
{0.7, 0.7, 0.7, 1.0};
static float MaterialGray[] =
-{0.2, 0.2, 0.2, 1.0};
+{0.5, 0.5, 0.5, 1.0};
static morph3dstruct *morph3d = NULL;
glDeleteLists(list, 1);
}
-void
-draw_morph3d(ModeInfo * mi)
-{
- morph3dstruct *mp = &morph3d[MI_SCREEN(mi)];
-
- Display *display = MI_DISPLAY(mi);
- Window window = MI_WINDOW(mi);
-
- glDrawBuffer(GL_BACK);
- glXMakeCurrent(display, window, mp->glx_context);
-
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
- glPushMatrix();
-
- glTranslatef(0.0, 0.0, -10.0);
-
- if (!MI_WIN_IS_ICONIC(mi)) {
- glScalef(Scale4Window * mp->WindH / mp->WindW, Scale4Window, Scale4Window);
- glTranslatef(2.5 * mp->WindW / mp->WindH * sin(mp->step * 1.11), 2.5 * cos(mp->step * 1.25 * 1.11), 0);
- } else {
- glScalef(Scale4Iconic * mp->WindH / mp->WindW, Scale4Iconic, Scale4Iconic);
- }
-
- glRotatef(mp->step * 100, 1, 0, 0);
- glRotatef(mp->step * 95, 0, 1, 0);
- glRotatef(mp->step * 90, 0, 0, 1);
-
- mp->seno = (sin(mp->step) + 1.0 / 3.0) * (4.0 / 5.0) * mp->Magnitude;
-
- if (mp->VisibleSpikes) {
-#ifdef DEBUG_CULL_FACE
- int loop;
-
- for (loop = 0; loop < 20; loop++)
- mp->MaterialColor[loop] = MaterialGray;
-#endif
- glDisable(GL_CULL_FACE);
- } else {
-#ifdef DEBUG_CULL_FACE
- int loop;
-
- for (loop = 0; loop < 20; loop++)
- mp->MaterialColor[loop] = MaterialWhite;
-#endif
- glEnable(GL_CULL_FACE);
- }
-
- mp->draw_object(mi);
-
- glPopMatrix();
-
- glFlush();
-
- glXSwapBuffers(display, window);
-
- mp->step += 0.05;
-}
-
static void
reshape(ModeInfo * mi, int width, int height)
{
mp->step = NRAND(90);
mp->VisibleSpikes = 1;
- mp->glx_context = init_GL(mi);
+ if ((mp->glx_context = init_GL(mi)) != NULL) {
- reshape(mi, MI_WIN_WIDTH(mi), MI_WIN_HEIGHT(mi));
- mp->object = MI_BATCHCOUNT(mi);
- if (mp->object <= 0 || mp->object > 5)
- mp->object = NRAND(5) + 1;
- pinit(mi);
+ reshape(mi, MI_WIN_WIDTH(mi), MI_WIN_HEIGHT(mi));
+ mp->object = MI_BATCHCOUNT(mi);
+ if (mp->object <= 0 || mp->object > 5)
+ mp->object = NRAND(5) + 1;
+ pinit(mi);
+ } else {
+ MI_CLEARWINDOW(mi);
+ }
+}
+
+void
+draw_morph3d(ModeInfo * mi)
+{
+ morph3dstruct *mp = &morph3d[MI_SCREEN(mi)];
+
+ Display *display = MI_DISPLAY(mi);
+ Window window = MI_WINDOW(mi);
+
+ if (!mp->glx_context)
+ return;
+
+ glDrawBuffer(GL_BACK);
+ glXMakeCurrent(display, window, *(mp->glx_context));
+
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix();
+
+ glTranslatef(0.0, 0.0, -10.0);
+
+ if (!MI_WIN_IS_ICONIC(mi)) {
+ glScalef(Scale4Window * mp->WindH / mp->WindW, Scale4Window, Scale4Window);
+ glTranslatef(2.5 * mp->WindW / mp->WindH * sin(mp->step * 1.11), 2.5 * cos(mp->step * 1.25 * 1.11), 0);
+ } else {
+ glScalef(Scale4Iconic * mp->WindH / mp->WindW, Scale4Iconic, Scale4Iconic);
+ }
+
+ glRotatef(mp->step * 100, 1, 0, 0);
+ glRotatef(mp->step * 95, 0, 1, 0);
+ glRotatef(mp->step * 90, 0, 0, 1);
+
+ mp->seno = (sin(mp->step) + 1.0 / 3.0) * (4.0 / 5.0) * mp->Magnitude;
+
+ if (mp->VisibleSpikes) {
+#ifdef DEBUG_CULL_FACE
+ int loop;
+
+ for (loop = 0; loop < 20; loop++)
+ mp->MaterialColor[loop] = MaterialGray;
+#endif
+ glDisable(GL_CULL_FACE);
+ } else {
+#ifdef DEBUG_CULL_FACE
+ int loop;
+
+ for (loop = 0; loop < 20; loop++)
+ mp->MaterialColor[loop] = MaterialWhite;
+#endif
+ glEnable(GL_CULL_FACE);
+ }
+
+ mp->draw_object(mi);
+
+ glPopMatrix();
+
+ glFlush();
+
+ glXSwapBuffers(display, window);
+
+ mp->step += 0.05;
}
void
{
morph3dstruct *mp = &morph3d[MI_SCREEN(mi)];
+ if (!mp->glx_context)
+ return;
+
mp->object = (mp->object) % 5 + 1;
pinit(mi);
}
(void) free((void *) morph3d);
morph3d = NULL;
}
+ FreeAllGL(mi);
}
#endif
projects / xscreensaver / blobdiff