X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=hacks%2Fglx%2Fmoebius.c;h=5ef2c0dffbf1919acb3a345e7a1951a821010b84;hb=78add6e627ee5f10e1fa6f3852602ea5066eee5a;hp=1620e41fd4774a26b41544eaa992dd63116518bf;hpb=c1b9b55ad8d59dc05ef55e316aebf5863e7dfa56;p=xscreensaver diff --git a/hacks/glx/moebius.c b/hacks/glx/moebius.c index 1620e41f..5ef2c0df 100644 --- a/hacks/glx/moebius.c +++ b/hacks/glx/moebius.c @@ -79,18 +79,43 @@ static const char sccsid[] = "@(#)moebius.c 5.01 2001/03/01 xlockmore"; #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 +# include +# include +#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" @@ -124,7 +149,7 @@ ENTRYPOINT ModeSpecOpt moebius_opts = #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}; @@ -185,6 +210,7 @@ static moebiusstruct *moebius = (moebiusstruct *) NULL; static Bool mySphere(float radius) { +#if 0 GLUquadricObj *quadObj; if ((quadObj = gluNewQuadric()) == 0) @@ -192,12 +218,19 @@ mySphere(float radius) 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) @@ -205,6 +238,12 @@ myCone(float radius) 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; } @@ -403,6 +442,10 @@ draw_moebius_strip(ModeInfo * mi) float Cx, Cy, Cz; +#ifdef HAVE_JWZGLES /* #### glPolygonMode other than GL_FILL unimplemented */ + solidmoebius = True; +#endif + if (solidmoebius) { glBegin(GL_QUAD_STRIP); Phi = 0; @@ -521,8 +564,14 @@ ENTRYPOINT void 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); @@ -540,12 +589,10 @@ reshape_moebius (ModeInfo * mi, int width, int height) } 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); @@ -564,11 +611,13 @@ pinit(void) /* 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, @@ -582,67 +631,42 @@ pinit(void) 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 || - 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) - { - 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; } @@ -653,11 +677,7 @@ 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); mp = &moebius[MI_SCREEN(mi)]; mp->step = NRAND(90); mp->ant_position = NRAND(90); @@ -665,14 +685,14 @@ init_moebius (ModeInfo * mi) { 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); } @@ -701,6 +721,7 @@ draw_moebius (ModeInfo * mi) glPushMatrix(); + glTranslatef(0.0, 0.0, -10.0); gltrackball_rotate (mp->trackball); @@ -711,6 +732,18 @@ draw_moebius (ModeInfo * mi) 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); @@ -721,7 +754,7 @@ draw_moebius (ModeInfo * mi) /* moebius */ if (!draw_moebius_strip(mi)) { - release_moebius(mi); + MI_ABORT(mi); return; }