X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=hacks%2Fdrift.c;h=e88986b234fd6c2c8022130f630bb8214b5ca1de;hb=39809ded547bdbb08207d3e514950425215b4410;hp=38cdf7b70d8a70b809c946237a2153c852fd02aa;hpb=96a411663168b0ba5432b407a83be55f3df0c802;p=xscreensaver

diff --git a/hacks/drift.c b/hacks/drift.c
index 38cdf7b7..e88986b2 100644
--- a/hacks/drift.c
+++ b/hacks/drift.c
@@ -31,20 +31,21 @@ static const char sccsid[] = "@(#)drift.c	5.00 2000/11/01 xlockmore";
  */
 
 #ifdef STANDALONE
-#define MODE_drift
-#define PROGCLASS "Drift"
-#define HACK_INIT init_drift
-#define HACK_DRAW draw_drift
-#define drift_opts xlockmore_opts
-#define DEFAULTS "*delay: 10000 \n" \
- "*count: 30 \n" \
- "*ncolors: 200 \n"
-#define SMOOTH_COLORS
-#include "xlockmore.h"		/* in xscreensaver distribution */
-#include "erase.h"
+# define MODE_drift
+# define DEFAULTS "*delay: 10000 \n" \
+				  "*count: 30 \n" \
+				  "*ncolors: 200 \n" \
+				  "*fpsSolid: true \n" \
+				  "*ignoreRotation: True \n" \
+
+# define SMOOTH_COLORS
+# define release_drift 0
+# define reshape_drift 0
+# define drift_handle_event 0
+# include "xlockmore.h"		/* in xscreensaver distribution */
 #else /* STANDALONE */
-#include "xlock.h"		/* in xlockmore distribution */
-
+# define ENTRYPOINT /**/
+# include "xlock.h"		/* in xlockmore distribution */
 #endif /* STANDALONE */
 
 #ifdef MODE_drift
@@ -61,29 +62,29 @@ static Bool liss;
 
 static XrmOptionDescRec opts[] =
 {
-	{(char *) "-grow", (char *) ".drift.grow", XrmoptionNoArg, (caddr_t) "on"},
-	{(char *) "+grow", (char *) ".drift.grow", XrmoptionNoArg, (caddr_t) "off"},
-	{(char *) "-liss", (char *) ".drift.trail", XrmoptionNoArg, (caddr_t) "on"},
-	{(char *) "+liss", (char *) ".drift.trail", XrmoptionNoArg, (caddr_t) "off"}
+	{"-grow", ".drift.grow", XrmoptionNoArg, "on"},
+	{"+grow", ".drift.grow", XrmoptionNoArg, "off"},
+	{"-liss", ".drift.trail", XrmoptionNoArg, "on"},
+	{"+liss", ".drift.trail", XrmoptionNoArg, "off"}
 };
 static argtype vars[] =
 {
-	{(caddr_t *) & grow, (char *) "grow", (char *) "Grow", (char *) DEF_GROW, t_Bool},
-	{(caddr_t *) & liss, (char *) "liss", (char *) "Liss", (char *) DEF_LISS, t_Bool}
+	{&grow, "grow", "Grow", DEF_GROW, t_Bool},
+	{&liss, "trail", "Trail", DEF_LISS, t_Bool}
 };
 static OptionStruct desc[] =
 {
-	{(char *) "-/+grow", (char *) "turn on/off growing fractals, else they are animated"},
-	{(char *) "-/+liss", (char *) "turn on/off using lissojous figures to get points"}
+	{"-/+grow", "turn on/off growing fractals, else they are animated"},
+	{"-/+liss", "turn on/off using lissojous figures to get points"}
 };
 
-ModeSpecOpt drift_opts =
+ENTRYPOINT ModeSpecOpt drift_opts =
 {sizeof opts / sizeof opts[0], opts, sizeof vars / sizeof vars[0], vars, desc};
 
 #ifdef USE_MODULES
 ModStruct   drift_description =
-{"drift", "init_drift", "draw_drift", "release_drift",
- "refresh_drift", "init_drift", (char *) NULL, &drift_opts,
+{"drift", "init_drift", "draw_drift", (char *) NULL,
+ "refresh_drift", "init_drift", "free_drift", &drift_opts,
  10000, 30, 1, 1, 64, 1.0, "",
  "Shows cosmic drifting flame fractals", 0, NULL};
 
@@ -133,6 +134,8 @@ typedef struct {
 	short       lasthalf;
 	long        saved_random_bits;
 	int         nbits;
+
+  int erase_countdown;
 } driftstruct;
 
 static driftstruct *drifts = (driftstruct *) NULL;
@@ -262,9 +265,10 @@ pick_df_coefs(ModeInfo * mi)
 	}
 }
 
-static void
-free_drift(driftstruct *dp)
+ENTRYPOINT void
+free_drift(ModeInfo * mi)
 {
+	driftstruct *dp = &drifts[MI_SCREEN(mi)];
 	if (dp->ncpoints != NULL) {
 		(void) free((void *) dp->ncpoints);
 		dp->ncpoints = (int *) NULL;
@@ -289,14 +293,14 @@ initfractal(ModeInfo * mi)
 	if (!dp->ncpoints) {
 		if ((dp->ncpoints = (int *) malloc(sizeof (int) * MI_NCOLORS(mi))) ==
 			NULL) {
-			free_drift(dp);
+			free_drift(mi);
 			return;
 		}
 	}
 	if (!dp->cpts) {
 		if ((dp->cpts = (XPoint *) malloc(MAXBATCH2 * sizeof (XPoint) *
 			 MI_NCOLORS(mi))) == NULL) {
-			free_drift(dp);
+			free_drift(mi);
 			return;
 		}
 	}
@@ -337,16 +341,12 @@ initfractal(ModeInfo * mi)
 }
 
 
-void
+ENTRYPOINT void
 init_drift(ModeInfo * mi)
 {
 	driftstruct *dp;
 
-	if (drifts == NULL) {
-		if ((drifts = (driftstruct *) calloc(MI_NUM_SCREENS(mi),
-					      sizeof (driftstruct))) == NULL)
-			return;
-	}
+	MI_INIT (mi, drifts);
 	dp = &drifts[MI_SCREEN(mi)];
 
 	dp->width = MI_WIDTH(mi);
@@ -603,7 +603,7 @@ draw_flush(ModeInfo * mi, driftstruct * dp, Drawable d)
 }
 
 
-void
+ENTRYPOINT void
 draw_drift(ModeInfo * mi)
 {
 	Window      window = MI_WINDOW(mi);
@@ -615,6 +615,14 @@ draw_drift(ModeInfo * mi)
 	if (dp->ncpoints == NULL)
 		return;
 
+    if (dp->erase_countdown) {
+      if (!--dp->erase_countdown) {
+        initmode(mi, frandom(dp, 2));
+        initfractal(mi);
+      }
+      return;
+    }
+
 	MI_IS_DRAWN(mi) = True;
 	dp->timer = 3000;
 	while (dp->timer) {
@@ -623,12 +631,8 @@ draw_drift(ModeInfo * mi)
 		if (dp->total_points++ > dp->fractal_len) {
 			draw_flush(mi, dp, window);
 			if (0 == --dp->nfractals) {
-#ifdef STANDALONE
-			  XSync(MI_DISPLAY(mi), False);
-			  sleep(4); /* #### make settable */
-			  erase_full_window(MI_DISPLAY(mi), MI_WINDOW(mi));
-#endif /* STANDALONE */
-				initmode(mi, frandom(dp, 2));
+              dp->erase_countdown = 4 * 1000000 / MI_PAUSE(mi);
+				return;
 			}
 			initfractal(mi);
 		}
@@ -655,23 +659,14 @@ draw_drift(ModeInfo * mi)
 	}
 }
 
-void
-release_drift(ModeInfo * mi)
-{
-	if (drifts != NULL) {
-		int         screen;
-
-		for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++)
-			free_drift(&drifts[screen]);
-		(void) free((void *) drifts);
-		drifts = (driftstruct *) NULL;
-	}
-}
-
-void
+#ifndef STANDALONE
+ENTRYPOINT void
 refresh_drift(ModeInfo * mi)
 {
 	MI_CLEARWINDOW(mi);
 }
+#endif
+
+XSCREENSAVER_MODULE ("Drift", drift)
 
 #endif /* MODE_drift */