/* timetunnel. Based on dangerball.c, hack by Sean Brennan <zettix@yahoo.com>*/
-/* dangerball, Copyright (c) 2001-2004 Jamie Zawinski <jwz@jwz.org>
+/* dangerball, Copyright (c) 2001-2014 Jamie Zawinski <jwz@jwz.org>
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* implied warranty.
*/
+#define GL_GLEXT_PROTOTYPES 1
+
#include <math.h> /* for log2 */
#define DEFAULTS "*delay: 30000 \n" \
#include "rotator.h"
#include "gltrackball.h"
-
#define DEF_START "0.00"
#define DEF_DILATE "1.00"
#define DEF_END "27.79"
static float start, end, dilate;
static Bool do_texture, drawlogo, wire, reverse, do_fog;
-#ifdef GET_SUED_BY_THE_BBC
-static Bool locklogo;
-#endif
+static const char *do_tx1, *do_tx2, *do_tx3, *do_tun1, *do_tun2, *do_tun3;
static XrmOptionDescRec opts[] = {
{"-texture" , ".texture", XrmoptionNoArg, "true" },
+ {"+texture" , ".texture", XrmoptionNoArg, "false" },
{"-start" , ".start", XrmoptionSepArg, 0 },
{"-end" , ".end", XrmoptionSepArg, 0 },
{"-dilate" , ".dilate", XrmoptionSepArg, 0 },
-#ifdef GET_SUED_BY_THE_BBC
- {"-locklogo" , ".locklogo", XrmoptionNoArg, "true" },
-#endif
- {"-logo" , ".drawlogo", XrmoptionNoArg, "true" },
{"+logo" , ".drawlogo", XrmoptionNoArg, "false" },
{"-reverse" , ".reverse", XrmoptionNoArg, "true" },
- {"-fog" , ".fog", XrmoptionNoArg, "false" },
+ {"+fog" , ".fog", XrmoptionNoArg, "false" },
+ {"-marquee" , ".marquee", XrmoptionSepArg, 0},
+ /* {"+marquee" , ".marquee", XrmoptionNoArg, "(none)"}, */
+ {"-tardis" , ".tardis", XrmoptionSepArg, 0},
+ /* {"+tardis" , ".tardis", XrmoptionNoArg, "(none)"}, */
+ {"-head" , ".head", XrmoptionSepArg, 0},
+ /* {"+head" , ".head", XrmoptionNoArg, "(none)"}, */
+ {"-tun1" , ".tun1", XrmoptionSepArg, 0},
+ /* {"+tun1" , ".tun1", XrmoptionNoArg, "(none)"}, */
+ {"-tun2" , ".tun2", XrmoptionSepArg, 0},
+ /* {"+tun2" , ".tun2", XrmoptionNoArg, "(none)"}, */
+ {"-tun3" , ".tun3", XrmoptionSepArg, 0},
+ /* {"+tun3" , ".tun3", XrmoptionNoArg, "(none)"}, */
};
static argtype vars[] = {
{&start, "start", "Start", DEF_START, t_Float},
{&end, "end", "End", DEF_END , t_Float},
{&dilate, "dilate", "Dilate", DEF_DILATE , t_Float},
-#ifdef GET_SUED_BY_THE_BBC
- {&locklogo, "locklogo", "LockLogo", DEF_LOCKLOGO , t_Bool},
-#endif
{&drawlogo, "drawlogo", "DrawLogo", DEF_DRAWLOGO , t_Bool},
{&reverse, "reverse", "Reverse", DEF_REVERSE , t_Bool},
- {&do_fog, "fog", "Fog", DEF_FOG , t_Bool},
+ {&do_fog, "fog", "Fog", DEF_FOG , t_Bool},
+ {&do_tx1, "marquee", "Marquee", "(none)", t_String},
+ {&do_tx2, "tardis", "Tardis", "(none)", t_String},
+ {&do_tx3, "head", "Head", "(none)", t_String},
+ {&do_tun1, "tun1", "Tunnel 1", "(none)", t_String},
+ {&do_tun2, "tun2", "Tunnel 2", "(none)", t_String},
+ {&do_tun3, "tun3", "Tunnel 3", "(none)", t_String},
};
ENTRYPOINT ModeSpecOpt tunnel_opts = {countof(opts), opts, countof(vars), vars, NULL};
#include "images/timetunnel0.xpm"
#include "images/timetunnel1.xpm"
#include "images/timetunnel2.xpm"
-#ifdef GET_SUED_BY_THE_BBC
-# include "images/tardis.xpm"
-# include "images/whologo.xpm"
-# include "images/whohead1.xpm"
-/* #include "images/whohead_psy.xpm" */
-# endif /* GET_SUED_BY_THE_BBC */
#ifdef USE_GL /* whole file */
{8.08, 0.75 , 0.0},
{8.08, 0.0 , 0.0},
{10.0, 0.0, 0.0}};
- /* effect 3: cylender. alpha */
+ /* effect 3: cylinder. alpha */
float e3d[5][2] =
{{0.0, 0.0},
{6.41, 0.00},
if (effectnum == 2)
init_effect(e, 8, 3, 1.0, (float *) e2d);
- /* effect 3: cylender tunnel */
+ /* effect 3: cylinder tunnel */
if (effectnum == 3)
init_effect(e, 5, 2, 0.889 , (float *) e3d);
{
tunnel_configuration *tc = &tconf[MI_SCREEN(mi)];
- if (event->xany.type == ButtonPress &&
- event->xbutton.button == Button1)
- {
- tc->button_down_p = True;
- gltrackball_start (tc->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)
- {
- tc->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 (tc->trackball, event->xbutton.button, 10,
- !!event->xbutton.state);
- return True;
- }
- else if (event->xany.type == MotionNotify &&
- tc->button_down_p)
- {
- gltrackball_track (tc->trackball,
- event->xmotion.x, event->xmotion.y,
- MI_WIDTH (mi), MI_HEIGHT (mi));
- return True;
- }
+ if (gltrackball_event_handler (event, tc->trackball,
+ MI_WIDTH (mi), MI_HEIGHT (mi),
+ &tc->button_down_p))
+ return True;
return False;
}
GLuint tex, int blend_mode)
{
+#ifndef HAVE_JWZGLES
if (alpha > 0.0) {
mi->polygon_count ++;
/* glEnable(GL_BLEND); */
/* glDisable(GL_BLEND); */
}
+#endif /* !HAVE_JWZGLES */
} /* draw sign */
-/* draw a time tunnel. used for both cylender and diamond tunnels.
+/* draw a time tunnel. used for both cylinder and diamond tunnels.
uses texture shifter (indexed by shiftnum) to simulate motion.
tunnel does not move, and is acutally a display list. if alpha = 0, skip */
static void draw_cyl(ModeInfo *mi, tunnel_configuration *tc, float alpha, int texnum, int listnum, int shiftnum)
{
+#ifndef HAVE_JWZGLES
if (alpha > 0.0) {
if (listnum == tc->diamondlist)
mi->polygon_count += 4;
glMatrixMode(GL_MODELVIEW);
/* glDisable(GL_BLEND); */
}
+#endif /* HAVE_JWZGLES */
}
tr0, tr1,
tl0, tl1,
l0 , l1 ,
- bl0, depth=0.3, zdepth=15.0;
+ depth=0.3, zdepth=15.0;
/* zdepth is how far back tunnel goes */
/* depth is tex coord scale. low number = fast texture shifting */
tl1 = tl0 + half_floor;
l0 = tr1;
l1 = l0 + full_wall;
- bl0 = l1;
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
anegative : create b/w image from zero alpha. zero alpha gets bw_color,
nonzero alpha gets 1.0 - bwcolor, then alpha flipped to 1-alpha.
+ Inputs: xpm structure, or filename of xmp image. if filename == NULL, use structure.
+ Outputs: texture bound to texutre Id texbind.
+
*/
static float mylog2(float x) { return ( log(x) / log(2));}
-static void LoadTexture(ModeInfo * mi, char **fn, GLuint texbind, int blur, float bw_color, Bool anegative, Bool onealpha)
+static void LoadTexture(ModeInfo * mi, char **fn, const char *filename, GLuint texbind, int blur, float bw_color, Bool anegative, Bool onealpha)
{
/* looping and temporary array index variables */
int ix, iy, bx, by, indx, indy, boxsize, cchan, tmpidx, dtaidx;
boxsize = 2;
boxdiv = 1.0 / ( boxsize * 2.0 + 1.0) / ( boxsize * 2.0 + 1.0);
- if ((teximage = xpm_to_ximage(MI_DISPLAY(mi), MI_VISUAL(mi),
- MI_COLORMAP(mi), fn)) == None) {
+
+ if (filename)
+ teximage = xpm_file_to_ximage(MI_DISPLAY(mi), MI_VISUAL(mi),
+ MI_COLORMAP(mi), filename);
+ else
+ teximage = xpm_to_ximage(MI_DISPLAY(mi), MI_VISUAL(mi),
+ MI_COLORMAP(mi), fn);
+ if (teximage == NULL) {
fprintf(stderr, "%s: error reading the texture.\n", progname);
glDeleteTextures(1, &texbind);
do_texture = False;
}
if (rescale) {
+#ifndef HAVE_JWZGLES
tmpbuf = calloc(bx * by * 4, sizeof(unsigned char));
if (gluScaleImage(GL_RGBA, teximage->width, teximage->height, GL_UNSIGNED_BYTE, teximage->data,
bx, by, GL_UNSIGNED_BYTE, tmpbuf))
teximage->data = (char *) tmpbuf;
teximage->width = bx;
teximage->height= by;
+#endif /* !HAVE_JWZGLES */
}
/* end rescale code */
tmpa = teximage->data[dtaidx + cchan];
tmpfa = (float) tmpa * boxdiv;
/* box filter */
- blursum = 0.0;
for (by = -boxsize ; by <= boxsize; by++) {
for (bx = -boxsize ; bx <= boxsize; bx++) {
indx = wrapVal(ix + bx, 0, teximage->width);
clear_gl_error();
#ifdef HAVE_GLBINDTEXTURE
glBindTexture(GL_TEXTURE_2D, texbind);
+ clear_gl_error(); /* WTF? sometimes "invalid op" from glBindTexture! */
#endif
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, teximage->width, teximage->height,
XDestroyImage(teximage);
}
-/* creates cylender for time tunnel. sides, zmin, zmax, rad(ius) obvious.
+/* creates cylinder for time tunnel. sides, zmin, zmax, rad(ius) obvious.
stretch scales texture coords; makes tunnel go slower the larger it is.
not drawn, but put into display list. */
static void makecyl(int sides, float zmin, float zmax, float rad, float stretch)
wire = MI_IS_WIREFRAME(mi);
- if (!tconf) {
- tconf = (tunnel_configuration *)
- calloc (MI_NUM_SCREENS(mi), sizeof (tunnel_configuration));
- if (!tconf) {
- fprintf(stderr, "%s: out of memory\n", progname);
- exit(1);
- }
+# ifdef HAVE_JWZGLES /* #### glPolygonMode other than GL_FILL unimplemented */
+ wire = 0;
+# endif
- tc = &tconf[MI_SCREEN(mi)];
- }
+ MI_INIT (mi, tconf, NULL);
tc = &tconf[MI_SCREEN(mi)];
if (do_texture)
{
+ /* the following textures are loaded, and possible overridden:
+ tunnel 1, tunnel 2, tunnel 3, marquee, tardis, head */
glGenTextures(MAX_TEXTURE, tc->texture_binds);
- /*LoadTexture(*mi, **fn, texbind, bluralpha, bw_color, anegative, onealpha)*/
- LoadTexture(mi, timetunnel0_xpm, tc->texture_binds[0], 0, 0.0, False, False);
- LoadTexture(mi, timetunnel1_xpm, tc->texture_binds[2], 0, 0.0, False, False);
- LoadTexture(mi, timetunnel2_xpm, tc->texture_binds[5], 0, 0.0, False, False);
- LoadTexture(mi, tunnelstar_xpm, tc->texture_binds[4], 0, 0.0, False, False);
-# ifdef GET_SUED_BY_THE_BBC
- if (locklogo) {
-# endif /* GET_SUED_BY_THE_BBC */
- LoadTexture(mi, (char **) logo_180_xpm, tc->texture_binds[3], 0,0.0, False, False);
- tc->texture_binds[1] = tc->texture_binds[3];
- tc->texture_binds[6] = tc->texture_binds[3];
- tc->texture_binds[8] = tc->texture_binds[3];
+ /*LoadTexture(*mi, **fn, *filename, texbind, bluralpha, bw_color, anegative, onealpha)*/
+ if (strcasecmp (do_tun1, "(none)")) /* tunnel 1 */
+ LoadTexture(mi, NULL, do_tun1, tc->texture_binds[0], 0,0.0, False, False);
+ else
+ LoadTexture(mi, timetunnel0_xpm, NULL, tc->texture_binds[0], 0, 0.0, False, False);
+ if (strcasecmp (do_tun2, "(none)")) /* tunnel 2 */
+ LoadTexture(mi, NULL, do_tun2, tc->texture_binds[2], 0,0.0, False, False);
+ else
+ LoadTexture(mi, timetunnel1_xpm, NULL, tc->texture_binds[2], 0, 0.0, False, False);
+ if (strcasecmp (do_tun3, "(none)")) /* tunnel 3 */
+ LoadTexture(mi, NULL, do_tun3, tc->texture_binds[5], 0,0.0, False, False);
+ else
+ LoadTexture(mi, timetunnel2_xpm, NULL, tc->texture_binds[5], 0, 0.0, False, False);
+ LoadTexture(mi, tunnelstar_xpm, NULL, tc->texture_binds[4], 0, 0.0, False, False);
+ if (strcasecmp (do_tx1, "(none)")) /* marquee */
+ LoadTexture(mi, NULL, do_tx1, tc->texture_binds[3], 0,0.0, False, False);
+#ifndef HAVE_JWZGLES /* logo_180_xpm is 180px which is not a power of 2! */
+ else
+ LoadTexture(mi, (char **) logo_180_xpm, NULL, tc->texture_binds[3], 0,0.0, False, False);
+#endif
+ if (strcasecmp (do_tx2, "(none)")) /* tardis */
+ LoadTexture(mi, NULL, do_tx2, tc->texture_binds[1], 0, 0.0 ,False, False);
+#ifndef HAVE_JWZGLES /* logo_180_xpm is 180px which is not a power of 2! */
+ else
+ LoadTexture(mi, (char **) logo_180_xpm, NULL, tc->texture_binds[1], 0,0.0, False, False);
+#endif
+ if (strcasecmp (do_tx3, "(none)")) { /* head */
+ LoadTexture(mi, NULL, do_tx3, tc->texture_binds[6], 0, 0.0 ,False, False);
/* negative */
- LoadTexture(mi, (char **) logo_180_xpm, tc->texture_binds[9], 2,1.0, True, True);
-# ifdef GET_SUED_BY_THE_BBC
- } else {
- LoadTexture(mi, whologo_xpm, tc->texture_binds[3], 0,0.0, False, False);
- LoadTexture(mi, tardis_xpm, tc->texture_binds[1], 0, 0.0 ,False, False);
- LoadTexture(mi, whohead1_xpm, tc->texture_binds[6], 0, 1.0, False, False);
- /* LoadTexture(mi, whohead_psy_xpm, tc->texture_binds[8], 1, 0.7, False, False); */
+ LoadTexture(mi, NULL, do_tx3, tc->texture_binds[9], 2,1.0, True, True);
+#ifndef HAVE_JWZGLES /* logo_180_xpm is 180px which is not a power of 2! */
+ } else {
+ LoadTexture(mi, (char **) logo_180_xpm, NULL, tc->texture_binds[6], 0,0.0, False, False);
/* negative */
- LoadTexture(mi, whohead1_xpm, tc->texture_binds[9], 2, 1.0, True, True);
+ LoadTexture(mi, (char **) logo_180_xpm, NULL, tc->texture_binds[9], 2,1.0, True, True);
+#endif
}
-# endif /* GET_SUED_BY_THE_BBC */
glEnable(GL_TEXTURE_2D);
check_gl_error("tex");
}
glAlphaFunc(GL_GREATER, 0.5);
}
- tc->trackball = gltrackball_init ();
+ tc->trackball = gltrackball_init (True);
tc->texshift = calloc(tc->num_texshifts, sizeof(GLfloat));
/* then tardis tunnel */
make_wall_tunnel(mi, tc, tc->effects[1].state[0], tc->effects[7].state[0]);
- /* then cylender tunnel */
+ /* then cylinder tunnel */
glEnable(GL_BLEND);
draw_cyl(mi, tc, tc->effects[3].state[0], 2, tc->cyllist, 1);
/* tardis */
if (drawlogo)
draw_sign(mi, tc, tc->effects[2].state[0], tc->effects[2].state[1], 2.0, 1, 0);
- /* logo */
+ /* marquee */
if (drawlogo)
draw_sign(mi, tc, tc->effects[5].state[0], tc->effects[5].state[1], 1.0, 3, 0);
/*who head brite*/
projects / xscreensaver / blobdiff