-/* menger, Copyright (c) 2001, 2002, 2004 Jamie Zawinski <jwz@jwz.org>
+/* menger, Copyright (c) 2001-2006 Jamie Zawinski <jwz@jwz.org>
* Copyright (c) 2002 Aurelien Jacobs <aurel@gnuage.org>
*
* Permission to use, copy, modify, distribute, and sell this software and its
* just draw them as spots on the surface! It would look the same.
*/
-#include <X11/Intrinsic.h>
-
-extern XtAppContext app;
-
-#define PROGCLASS "Menger"
-#define HACK_INIT init_sponge
-#define HACK_DRAW draw_sponge
-#define HACK_RESHAPE reshape_sponge
-#define HACK_HANDLE_EVENT sponge_handle_event
-#define EVENT_MASK PointerMotionMask
-#define sws_opts xlockmore_opts
-
-#define DEF_SPIN "True"
-#define DEF_WANDER "True"
-#define DEF_SPEED "150"
-#define DEF_MAX_DEPTH "3"
-
#define DEFAULTS "*delay: 30000 \n" \
"*showFPS: False \n" \
"*wireframe: False \n" \
+# define refresh_sponge 0
+# define release_sponge 0
#undef countof
#define countof(x) (sizeof((x))/sizeof((*x)))
#ifdef USE_GL /* whole file */
-#include <GL/glu.h>
-
+#define DEF_SPIN "True"
+#define DEF_WANDER "True"
+#define DEF_SPEED "150"
+#define DEF_MAX_DEPTH "3"
typedef struct {
GLXContext *glx_context;
int ccolor1;
int ccolor2;
+ int draw_tick;
+
} sponge_configuration;
static sponge_configuration *sps = NULL;
static int max_depth;
static XrmOptionDescRec opts[] = {
- { "-spin", ".spin", XrmoptionNoArg, "True" },
- { "+spin", ".spin", XrmoptionNoArg, "False" },
- { "-wander", ".wander", XrmoptionNoArg, "True" },
- { "+wander", ".wander", XrmoptionNoArg, "False" },
- { "-speed", ".speed", XrmoptionSepArg, 0 },
- {"-depth", ".maxDepth", XrmoptionSepArg, 0 },
+ { "-wander", ".wander", XrmoptionNoArg, "True" },
+ { "+wander", ".wander", XrmoptionNoArg, "False" },
+ { "-spin", ".spin", XrmoptionSepArg, 0 },
+ { "-speed", ".speed", XrmoptionSepArg, 0 },
+ { "-depth", ".maxDepth", XrmoptionSepArg, 0 },
};
static argtype vars[] = {
{&max_depth, "maxDepth", "MaxDepth", DEF_MAX_DEPTH, t_Int},
};
-ModeSpecOpt sws_opts = {countof(opts), opts, countof(vars), vars, NULL};
+ENTRYPOINT ModeSpecOpt sponge_opts = {countof(opts), opts, countof(vars), vars, NULL};
/* Window management, etc
*/
-void
+ENTRYPOINT void
reshape_sponge (ModeInfo *mi, int width, int height)
{
GLfloat h = (GLfloat) height / (GLfloat) width;
}
static int
-menger_recurs (int level, float x0, float x1, float y0, float y1,
- float z0, float z1, int faces, Bool wireframe, int orig)
+menger_recurs_1 (int level, float x0, float x1, float y0, float y1,
+ float z0, float z1, int faces, Bool wireframe,
+ int orig, int forig)
{
float xi, yi, zi;
int f, x, y, z;
- static int forig;
int n = 0;
if (orig)
{
- forig = faces;
if (wireframe)
n += cube (x0, x1, y0, y1, z0, z1,
faces & (X0 | X1 | Y0 | Y1), wireframe);
if (forig & Z1 && z == 0 && (x == 1 || y == 1))
f |= Z1;
- n += menger_recurs (level-1,
- x0+x*xi, x0+(x+1)*xi,
- y0+y*yi, y0+(y+1)*yi,
- z0+z*zi, z0+(z+1)*zi, f, wireframe, 0);
+ n += menger_recurs_1 (level-1,
+ x0+x*xi, x0+(x+1)*xi,
+ y0+y*yi, y0+(y+1)*yi,
+ z0+z*zi, z0+(z+1)*zi, f, wireframe, 0,
+ forig);
}
else if (wireframe && (x != 1 || y != 1 || z != 1))
n += cube (x0+x*xi, x0+(x+1)*xi,
return n;
}
+static int
+menger_recurs (int level, float x0, float x1, float y0, float y1,
+ float z0, float z1, int faces, Bool wireframe,
+ int orig)
+{
+ return menger_recurs_1 (level, x0, x1, y0, y1, z0, z1, faces,
+ wireframe, orig, faces);
+}
+
+
static void
build_sponge (sponge_configuration *sp, Bool wireframe, int level)
{
}
-Bool
+ENTRYPOINT Bool
sponge_handle_event (ModeInfo *mi, XEvent *event)
{
sponge_configuration *sp = &sps[MI_SCREEN(mi)];
-void
+ENTRYPOINT void
init_sponge (ModeInfo *mi)
{
sponge_configuration *sp;
if (!wire)
{
- static GLfloat pos0[4] = {-1.0, -1.0, 1.0, 0.1};
- static GLfloat pos1[4] = { 1.0, -0.2, 0.2, 0.1};
- static GLfloat dif0[4] = {1.0, 1.0, 1.0, 1.0};
- static GLfloat dif1[4] = {1.0, 1.0, 1.0, 1.0};
+ static const GLfloat pos0[4] = {-1.0, -1.0, 1.0, 0.1};
+ static const GLfloat pos1[4] = { 1.0, -0.2, 0.2, 0.1};
+ static const GLfloat dif0[4] = {1.0, 1.0, 1.0, 1.0};
+ static const GLfloat dif1[4] = {1.0, 1.0, 1.0, 1.0};
glLightfv(GL_LIGHT0, GL_POSITION, pos0);
glLightfv(GL_LIGHT1, GL_POSITION, pos1);
sp->sponge_list0 = glGenLists (1);
sp->sponge_list1 = glGenLists (1);
sp->sponge_list2 = glGenLists (1);
+
+ sp->draw_tick = 9999999;
}
-void
+ENTRYPOINT void
draw_sponge (ModeInfo *mi)
{
sponge_configuration *sp = &sps[MI_SCREEN(mi)];
Display *dpy = MI_DISPLAY(mi);
Window window = MI_WINDOW(mi);
- static GLfloat color0[4] = {0.0, 0.0, 0.0, 1.0};
- static GLfloat color1[4] = {0.0, 0.0, 0.0, 1.0};
- static GLfloat color2[4] = {0.0, 0.0, 0.0, 1.0};
-
- static int tick = 99999;
+ GLfloat color0[4] = {0.0, 0.0, 0.0, 1.0};
+ GLfloat color1[4] = {0.0, 0.0, 0.0, 1.0};
+ GLfloat color2[4] = {0.0, 0.0, 0.0, 1.0};
if (!sp->glx_context)
return;
+ glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *(sp->glx_context));
+
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix ();
if (sp->ccolor1 >= sp->ncolors) sp->ccolor1 = 0;
if (sp->ccolor2 >= sp->ncolors) sp->ccolor2 = 0;
- if (tick++ >= speed)
+ if (sp->draw_tick++ >= speed)
{
- tick = 0;
+ sp->draw_tick = 0;
if (sp->current_depth >= max_depth)
sp->current_depth = -max_depth;
sp->current_depth++;
glXSwapBuffers(dpy, window);
}
+XSCREENSAVER_MODULE_2 ("Menger", menger, sponge)
+
#endif /* USE_GL */
projects / xscreensaver / blobdiff