/* mountain -- square grid mountains */
#if !defined( lint ) && !defined( SABER )
-static const char sccsid[] = "@(#)mountain.c 4.04 97/07/28 xlockmore";
+static const char sccsid[] = "@(#)mountain.c 5.00 2000/11/01 xlockmore";
#endif
* other special, indirect and consequential damages.
*
* Revision History:
- * 10-May-97: Compatible with xscreensaver
+ * 01-Nov-2000: Allocation checks
+ * 10-May-1997: Compatible with xscreensaver
+ * 1995: Written
*/
#ifdef STANDALONE
-# define PROGCLASS "Mountain"
-# define HACK_INIT init_mountain
-# define HACK_DRAW draw_mountain
-# define mountain_opts xlockmore_opts
-# define DEFAULTS "*delay: 0 \n" \
- "*count: 30 \n" \
- "*ncolors: 64 \n"
-# define SMOOTH_COLORS
+#define MODE_mountain
+#define PROGCLASS "Mountain"
+#define HACK_INIT init_mountain
+#define HACK_DRAW draw_mountain
+#define mountain_opts xlockmore_opts
+#define DEFAULTS "*delay: 1000 \n" \
+ "*count: 30 \n" \
+ "*cycles: 4000 \n" \
+ "*ncolors: 64 \n"
+#define SMOOTH_COLORS
#include "xlockmore.h" /* in xscreensaver distribution */
#else /* STANDALONE */
#include "xlock.h" /* in xlockmore distribution */
#endif /* STANDALONE */
+#ifdef MODE_mountain
+
ModeSpecOpt mountain_opts =
-{0, NULL, 0, NULL, NULL};
+{0, (XrmOptionDescRec *) NULL, 0, (argtype *) NULL, (OptionStruct *) NULL};
+
+#ifdef USE_MODULES
+ModStruct mountain_description =
+{"mountain", "init_mountain", "draw_mountain", "release_mountain",
+ "refresh_mountain", "init_mountain", (char *) NULL, &mountain_opts,
+ 1000, 30, 4000, 1, 64, 1.0, "",
+ "Shows Papo's mountain range", 0, NULL};
+
+#endif
/* ~ 5000 Max mountain height (1000 - 10000) */
#define MAXHEIGHT (3 * (mp->width + mp->height))
int offset;
int stage;
int h[WORLDWIDTH][WORLDWIDTH];
- int time; /* up time */
- int first;
- GC stippled_GC;
+ long time; /* up time */
+ Bool wireframe;
+ Bool joke;
+ GC stippledGC;
} mountainstruct;
-static mountainstruct *mountains = NULL;
+static mountainstruct *mountains = (mountainstruct *) NULL;
static void
spread(int (*m)[50], int x, int y)
if (MI_NPIXELS(mi) > 2)
XSetForeground(display, gc, MI_PIXEL(mi, c));
else
- XSetForeground(display, gc, MI_WIN_WHITE_PIXEL(mi));
- XFillPolygon(display, window, gc, p, 4, Complex, CoordModeOrigin);
-
- if (!mp->pixelmode) {
- XSetForeground(display, gc, MI_WIN_BLACK_PIXEL(mi));
- XDrawLines(display, window, gc, p, 5, CoordModeOrigin);
+ XSetForeground(display, gc, MI_WHITE_PIXEL(mi));
+
+ if (mp->joke) {
+ if ((Bool) (LRAND() & 1))
+ XDrawLines(display, window, gc, p, 5, CoordModeOrigin);
+ else {
+ XFillPolygon(display, window, gc, p, 4, Complex, CoordModeOrigin);
+ if (!mp->pixelmode) {
+ XSetForeground(display, gc, MI_BLACK_PIXEL(mi));
+ XDrawLines(display, window, gc, p, 5, CoordModeOrigin);
+ }
+ }
+ } else {
+ if (mp->wireframe) {
+ XDrawLines(display, window, gc, p, 5, CoordModeOrigin);
+ } else {
+ XFillPolygon(display, window, gc, p, 4, Complex, CoordModeOrigin);
+
+ if (!mp->pixelmode) {
+ XSetForeground(display, gc, MI_BLACK_PIXEL(mi));
+ XDrawLines(display, window, gc, p, 5, CoordModeOrigin);
+ }
+ }
}
mp->x++;
if (mp->x == WORLDWIDTH - 1) {
void
init_mountain(ModeInfo * mi)
{
- mountainstruct *mp;
int i, j, x, y;
XGCValues gcv;
+ mountainstruct *mp;
if (mountains == NULL) {
if ((mountains = (mountainstruct *) calloc(MI_NUM_SCREENS(mi),
return;
}
mp = &mountains[MI_SCREEN(mi)];
- mp->width = MI_WIN_WIDTH(mi);
- mp->height = MI_WIN_HEIGHT(mi);
+
+ mp->width = MI_WIDTH(mi);
+ mp->height = MI_HEIGHT(mi);
mp->pixelmode = (mp->width + mp->height < 200);
mp->stage = 0;
mp->time = 0;
mp->x = mp->y = 0;
- if (!mp->first) {
- mp->first = 1;
- gcv.foreground = MI_WIN_WHITE_PIXEL(mi);
- gcv.background = MI_WIN_BLACK_PIXEL(mi);
+ if (MI_IS_FULLRANDOM(mi)) {
+ mp->joke = (Bool) (NRAND(10) == 0);
+ mp->wireframe = (Bool) (LRAND() & 1);
+ } else {
+ mp->joke = False;
+ mp->wireframe = MI_IS_WIREFRAME(mi);
+ }
- mp->stippled_GC = XCreateGC(MI_DISPLAY(mi), MI_WINDOW(mi),
- GCForeground | GCBackground, &gcv);
+ if (mp->stippledGC == None) {
+ gcv.foreground = MI_WHITE_PIXEL(mi);
+ gcv.background = MI_BLACK_PIXEL(mi);
+ if ((mp->stippledGC = XCreateGC(MI_DISPLAY(mi), MI_WINDOW(mi),
+ GCForeground | GCBackground, &gcv)) == None)
+ return;
}
- XClearWindow(MI_DISPLAY(mi), MI_WINDOW(mi));
+ MI_CLEARWINDOW(mi);
- for (y = 0; y < WORLDWIDTH; y++)
- for (x = 0; x < WORLDWIDTH; x++)
+ for (y = 0; y < (int) WORLDWIDTH; y++)
+ for (x = 0; x < (int) WORLDWIDTH; x++)
mp->h[x][y] = 0;
- j = MI_BATCHCOUNT(mi);
+ j = MI_COUNT(mi);
if (j < 0)
j = NRAND(-j) + 1;
for (i = 0; i < j; i++)
void
draw_mountain(ModeInfo * mi)
{
- mountainstruct *mp = &mountains[MI_SCREEN(mi)];
+ mountainstruct *mp;
+
+ if (mountains == NULL)
+ return;
+ mp = &mountains[MI_SCREEN(mi)];
+ if (mp->stippledGC == NULL)
+ return;
+
+ MI_IS_DRAWN(mi) = True;
switch (mp->stage) {
case 0:
drawamountain(mi);
break;
case 1:
- MI_PAUSE(mi) = 2000000;
- /*if (++mp->time > MI_CYCLES(mi)); */
- mp->stage++;
+ if (++mp->time > MI_CYCLES(mi))
+ mp->stage++;
break;
case 2:
init_mountain(mi);
for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++) {
mountainstruct *mp = &mountains[screen];
- XFreeGC(MI_DISPLAY(mi), mp->stippled_GC);
+ if (mp->stippledGC)
+ XFreeGC(MI_DISPLAY(mi), mp->stippledGC);
}
(void) free((void *) mountains);
- mountains = NULL;
+ mountains = (mountainstruct *) NULL;
}
}
void
refresh_mountain(ModeInfo * mi)
{
- mountainstruct *mp = &mountains[MI_SCREEN(mi)];
+ mountainstruct *mp;
+
+ if (mountains == NULL)
+ return;
+ mp = &mountains[MI_SCREEN(mi)];
+ MI_CLEARWINDOW(mi);
mp->x = 0;
mp->y = 0;
}
+
+#endif /* MODE_mountain */
projects / xscreensaver / blobdiff