Commit | Line | Data |
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abb2db1c GM |
1 | ;;; zone.el --- idle display hacks |
2 | ||
a2c270e7 GM |
3 | ;; Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, |
4 | ;; 2009, 2010 Free Software Foundation, Inc. | |
abb2db1c | 5 | |
60370d40 PJ |
6 | ;; Author: Victor Zandy <zandy@cs.wisc.edu> |
7 | ;; Maintainer: Thien-Thi Nguyen <ttn@gnu.org> | |
8 | ;; Keywords: games | |
9 | ;; Created: June 6, 1998 | |
abb2db1c GM |
10 | |
11 | ;; This file is part of GNU Emacs. | |
12 | ||
b1fc2b50 | 13 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
abb2db1c | 14 | ;; it under the terms of the GNU General Public License as published by |
b1fc2b50 GM |
15 | ;; the Free Software Foundation, either version 3 of the License, or |
16 | ;; (at your option) any later version. | |
abb2db1c GM |
17 | |
18 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
19 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | ;; GNU General Public License for more details. | |
22 | ||
23 | ;; You should have received a copy of the GNU General Public License | |
b1fc2b50 | 24 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
abb2db1c GM |
25 | |
26 | ;;; Commentary: | |
27 | ||
28 | ;; Don't zone out in front of Emacs! Try M-x zone. | |
29 | ;; If it eventually irritates you, try M-x zone-leave-me-alone. | |
30 | ||
31 | ;; Bored by the zone pyrotechnics? Write your own! Add it to | |
df9d055e | 32 | ;; `zone-programs'. See `zone-call' for higher-ordered zoning. |
abb2db1c GM |
33 | |
34 | ;; WARNING: Not appropriate for Emacs sessions over modems or | |
3cc2b29c | 35 | ;; computers as slow as mine. |
abb2db1c | 36 | |
3cc2b29c TTN |
37 | ;; THANKS: Christopher Mayer, Scott Flinchbaugh, |
38 | ;; Rachel Kalmar, Max Froumentin, Juri Linkov, | |
39 | ;; Luigi Panzeri, John Paul Wallington. | |
abb2db1c GM |
40 | |
41 | ;;; Code: | |
42 | ||
216640c5 RS |
43 | (defvar zone-timer nil |
44 | "The timer we use to decide when to zone out, or nil if none.") | |
45 | ||
df9d055e TTN |
46 | (defvar zone-timeout nil |
47 | "*Seconds to timeout the zoning. | |
48 | If nil, don't interrupt for about 1^26 seconds.") | |
49 | ||
abb2db1c GM |
50 | ;; Vector of functions that zone out. `zone' will execute one of |
51 | ;; these functions, randomly chosen. The chosen function is invoked | |
52 | ;; in the *zone* buffer, which contains the text of the selected | |
53 | ;; window. If the function loops, it *must* periodically check and | |
54 | ;; halt if `input-pending-p' is t (because quitting is disabled when | |
55 | ;; Emacs idle timers are run). | |
56 | (defvar zone-programs [ | |
57 | zone-pgm-jitter | |
58 | zone-pgm-putz-with-case | |
59 | zone-pgm-dissolve | |
df9d055e | 60 | ;; zone-pgm-explode |
abb2db1c GM |
61 | zone-pgm-whack-chars |
62 | zone-pgm-rotate | |
63 | zone-pgm-rotate-LR-lockstep | |
64 | zone-pgm-rotate-RL-lockstep | |
65 | zone-pgm-rotate-LR-variable | |
66 | zone-pgm-rotate-RL-variable | |
67 | zone-pgm-drip | |
68 | zone-pgm-drip-fretfully | |
69 | zone-pgm-five-oclock-swan-dive | |
70 | zone-pgm-martini-swan-dive | |
5b29d790 | 71 | zone-pgm-rat-race |
abb2db1c GM |
72 | zone-pgm-paragraph-spaz |
73 | zone-pgm-stress | |
df9d055e | 74 | zone-pgm-stress-destress |
0ccb50fc | 75 | zone-pgm-random-life |
abb2db1c GM |
76 | ]) |
77 | ||
78 | (defmacro zone-orig (&rest body) | |
79 | `(with-current-buffer (get 'zone 'orig-buffer) | |
80 | ,@body)) | |
81 | ||
df9d055e | 82 | (defmacro zone-hiding-modeline (&rest body) |
ef673042 RS |
83 | ;; This formerly worked by temporarily altering face `mode-line', |
84 | ;; which did not even work right, it seems. | |
85 | `(let (mode-line-format) | |
86 | ,@body)) | |
df9d055e TTN |
87 | |
88 | (defun zone-call (program &optional timeout) | |
89 | "Call PROGRAM in a zoned way. | |
90 | If PROGRAM is a function, call it, interrupting after the amount | |
91 | of time in seconds specified by optional arg TIMEOUT, or `zone-timeout' | |
92 | if unspecified, q.v. | |
93 | PROGRAM can also be a list of elements, which are interpreted like so: | |
94 | If the element is a function or a list of a function and a number, | |
95 | apply `zone-call' recursively." | |
96 | (cond ((functionp program) | |
97 | (with-timeout ((or timeout zone-timeout (ash 1 26))) | |
98 | (funcall program))) | |
99 | ((listp program) | |
100 | (mapcar (lambda (elem) | |
101 | (cond ((functionp elem) (zone-call elem)) | |
102 | ((and (listp elem) | |
103 | (functionp (car elem)) | |
104 | (numberp (cadr elem))) | |
105 | (apply 'zone-call elem)) | |
dc120317 | 106 | (t (error "bad `zone-call' elem: %S" elem)))) |
df9d055e TTN |
107 | program)))) |
108 | ||
abb2db1c GM |
109 | ;;;###autoload |
110 | (defun zone () | |
111 | "Zone out, completely." | |
112 | (interactive) | |
03c609c1 TTN |
113 | (save-window-excursion |
114 | (let ((f (selected-frame)) | |
115 | (outbuf (get-buffer-create "*zone*")) | |
116 | (text (buffer-substring (window-start) (window-end))) | |
117 | (wp (1+ (- (window-point (selected-window)) | |
118 | (window-start))))) | |
119 | (put 'zone 'orig-buffer (current-buffer)) | |
120 | (put 'zone 'modeline-hidden-level 0) | |
121 | (switch-to-buffer outbuf) | |
122 | (setq mode-name "Zone") | |
123 | (erase-buffer) | |
124 | (setq buffer-undo-list t | |
125 | truncate-lines t | |
126 | tab-width (zone-orig tab-width) | |
127 | line-spacing (zone-orig line-spacing)) | |
128 | (insert text) | |
129 | (untabify (point-min) (point-max)) | |
130 | (set-window-start (selected-window) (point-min)) | |
131 | (set-window-point (selected-window) wp) | |
132 | (sit-for 0 500) | |
133 | (let ((pgm (elt zone-programs (random (length zone-programs)))) | |
134 | (ct (and f (frame-parameter f 'cursor-type))) | |
5db17239 | 135 | (show-trailing-whitespace nil) |
03c609c1 TTN |
136 | (restore (list '(kill-buffer outbuf)))) |
137 | (when ct | |
138 | (modify-frame-parameters f '((cursor-type . (bar . 0)))) | |
139 | (setq restore (cons '(modify-frame-parameters | |
140 | f (list (cons 'cursor-type ct))) | |
141 | restore))) | |
142 | ;; Make `restore' a self-disabling one-shot thunk. | |
143 | (setq restore `(lambda () ,@restore (setq restore nil))) | |
144 | (condition-case nil | |
145 | (progn | |
146 | (message "Zoning... (%s)" pgm) | |
147 | (garbage-collect) | |
148 | ;; If some input is pending, zone says "sorry", which | |
149 | ;; isn't nice; this might happen e.g. when they invoke the | |
150 | ;; game by clicking the menu bar. So discard any pending | |
151 | ;; input before zoning out. | |
152 | (if (input-pending-p) | |
153 | (discard-input)) | |
154 | (zone-call pgm) | |
155 | (message "Zoning...sorry")) | |
156 | (error | |
157 | (funcall restore) | |
158 | (while (not (input-pending-p)) | |
159 | (message "We were zoning when we wrote %s..." pgm) | |
160 | (sit-for 3) | |
161 | (message "...here's hoping we didn't hose your buffer!") | |
162 | (sit-for 3))) | |
163 | (quit | |
164 | (funcall restore) | |
165 | (ding) | |
166 | (message "Zoning...sorry"))) | |
167 | (when restore (funcall restore)))))) | |
abb2db1c GM |
168 | |
169 | ;;;; Zone when idle, or not. | |
170 | ||
abb2db1c GM |
171 | (defun zone-when-idle (secs) |
172 | "Zone out when Emacs has been idle for SECS seconds." | |
173 | (interactive "nHow long before I start zoning (seconds): ") | |
216640c5 RS |
174 | (if (timerp zone-timer) |
175 | (cancel-timer zone-timer)) | |
176 | (setq zone-timer nil) | |
abb2db1c | 177 | (or (<= secs 0) |
216640c5 | 178 | (setq zone-timer (run-with-idle-timer secs t 'zone)))) |
abb2db1c GM |
179 | |
180 | (defun zone-leave-me-alone () | |
181 | "Don't zone out when Emacs is idle." | |
182 | (interactive) | |
216640c5 RS |
183 | (if (timerp zone-timer) |
184 | (cancel-timer zone-timer)) | |
185 | (setq zone-timer nil) | |
abb2db1c GM |
186 | (message "I won't zone out any more")) |
187 | ||
188 | ||
3ef80852 | 189 | ;;;; jittering |
abb2db1c GM |
190 | |
191 | (defun zone-shift-up () | |
192 | (let* ((b (point)) | |
3ef80852 | 193 | (e (progn (forward-line 1) (point))) |
df9d055e | 194 | (s (buffer-substring b e))) |
abb2db1c GM |
195 | (delete-region b e) |
196 | (goto-char (point-max)) | |
197 | (insert s))) | |
198 | ||
199 | (defun zone-shift-down () | |
200 | (goto-char (point-max)) | |
abb2db1c | 201 | (let* ((b (point)) |
3ef80852 | 202 | (e (progn (forward-line -1) (point))) |
df9d055e | 203 | (s (buffer-substring b e))) |
abb2db1c GM |
204 | (delete-region b e) |
205 | (goto-char (point-min)) | |
206 | (insert s))) | |
207 | ||
208 | (defun zone-shift-left () | |
a2c270e7 GM |
209 | (let ((inhibit-point-motion-hooks t) |
210 | s) | |
3ef80852 TTN |
211 | (while (not (eobp)) |
212 | (unless (eolp) | |
213 | (setq s (buffer-substring (point) (1+ (point)))) | |
214 | (delete-char 1) | |
215 | (end-of-line) | |
216 | (insert s)) | |
a2c270e7 | 217 | (ignore-errors (forward-char 1))))) |
abb2db1c GM |
218 | |
219 | (defun zone-shift-right () | |
3ef80852 | 220 | (goto-char (point-max)) |
a2c270e7 GM |
221 | (let ((inhibit-point-motion-hooks t) |
222 | s) | |
3ef80852 TTN |
223 | (while (not (bobp)) |
224 | (unless (bolp) | |
225 | (setq s (buffer-substring (1- (point)) (point))) | |
226 | (delete-char -1) | |
227 | (beginning-of-line) | |
228 | (insert s)) | |
229 | (end-of-line 0)))) | |
abb2db1c GM |
230 | |
231 | (defun zone-pgm-jitter () | |
232 | (let ((ops [ | |
abb2db1c GM |
233 | zone-shift-left |
234 | zone-shift-right | |
235 | zone-shift-down | |
abb2db1c GM |
236 | zone-shift-up |
237 | ])) | |
238 | (goto-char (point-min)) | |
239 | (while (not (input-pending-p)) | |
240 | (funcall (elt ops (random (length ops)))) | |
241 | (goto-char (point-min)) | |
242 | (sit-for 0 10)))) | |
243 | ||
244 | ||
3ef80852 | 245 | ;;;; whacking chars |
abb2db1c | 246 | |
abb2db1c | 247 | (defun zone-pgm-whack-chars () |
930baf47 | 248 | (let ((tbl (copy-sequence (get 'zone-pgm-whack-chars 'wc-tbl)))) |
abb2db1c GM |
249 | (while (not (input-pending-p)) |
250 | (let ((i 48)) | |
df9d055e TTN |
251 | (while (< i 122) |
252 | (aset tbl i (+ 48 (random (- 123 48)))) | |
253 | (setq i (1+ i))) | |
254 | (translate-region (point-min) (point-max) tbl) | |
255 | (sit-for 0 2))))) | |
930baf47 TTN |
256 | |
257 | (put 'zone-pgm-whack-chars 'wc-tbl | |
df9d055e | 258 | (let ((tbl (make-string 128 ?x)) |
930baf47 TTN |
259 | (i 0)) |
260 | (while (< i 128) | |
261 | (aset tbl i i) | |
262 | (setq i (1+ i))) | |
263 | tbl)) | |
abb2db1c | 264 | |
3ef80852 | 265 | ;;;; dissolving |
abb2db1c GM |
266 | |
267 | (defun zone-remove-text () | |
268 | (let ((working t)) | |
269 | (while working | |
270 | (setq working nil) | |
271 | (save-excursion | |
df9d055e TTN |
272 | (goto-char (point-min)) |
273 | (while (not (eobp)) | |
274 | (if (looking-at "[^(){}\n\t ]") | |
275 | (let ((n (random 5))) | |
276 | (if (not (= n 0)) | |
277 | (progn | |
278 | (setq working t) | |
279 | (forward-char 1)) | |
280 | (delete-char 1) | |
281 | (insert " "))) | |
282 | (forward-char 1)))) | |
abb2db1c GM |
283 | (sit-for 0 2)))) |
284 | ||
285 | (defun zone-pgm-dissolve () | |
286 | (zone-remove-text) | |
287 | (zone-pgm-jitter)) | |
288 | ||
289 | ||
3ef80852 | 290 | ;;;; exploding |
abb2db1c GM |
291 | |
292 | (defun zone-exploding-remove () | |
293 | (let ((i 0)) | |
3ef80852 | 294 | (while (< i 5) |
abb2db1c | 295 | (save-excursion |
df9d055e TTN |
296 | (goto-char (point-min)) |
297 | (while (not (eobp)) | |
298 | (if (looking-at "[^*\n\t ]") | |
299 | (let ((n (random 5))) | |
300 | (if (not (= n 0)) | |
301 | (forward-char 1)) | |
302 | (insert " "))) | |
303 | (forward-char 1))) | |
abb2db1c GM |
304 | (setq i (1+ i)) |
305 | (sit-for 0 2))) | |
306 | (zone-pgm-jitter)) | |
307 | ||
308 | (defun zone-pgm-explode () | |
309 | (zone-exploding-remove) | |
310 | (zone-pgm-jitter)) | |
311 | ||
312 | ||
3ef80852 | 313 | ;;;; putzing w/ case |
abb2db1c GM |
314 | |
315 | ;; Faster than `zone-pgm-putz-with-case', but not as good: all | |
316 | ;; instances of the same letter have the same case, which produces a | |
317 | ;; less interesting effect than you might imagine. | |
318 | (defun zone-pgm-2nd-putz-with-case () | |
319 | (let ((tbl (make-string 128 ?x)) | |
df9d055e | 320 | (i 0)) |
abb2db1c GM |
321 | (while (< i 128) |
322 | (aset tbl i i) | |
323 | (setq i (1+ i))) | |
324 | (while (not (input-pending-p)) | |
325 | (setq i ?a) | |
326 | (while (<= i ?z) | |
df9d055e TTN |
327 | (aset tbl i |
328 | (if (zerop (random 5)) | |
329 | (upcase i) | |
330 | (downcase i))) | |
331 | (setq i (+ i (1+ (random 5))))) | |
abb2db1c GM |
332 | (setq i ?A) |
333 | (while (<= i ?z) | |
df9d055e TTN |
334 | (aset tbl i |
335 | (if (zerop (random 5)) | |
336 | (downcase i) | |
337 | (upcase i))) | |
338 | (setq i (+ i (1+ (random 5))))) | |
abb2db1c GM |
339 | (translate-region (point-min) (point-max) tbl) |
340 | (sit-for 0 2)))) | |
341 | ||
342 | (defun zone-pgm-putz-with-case () | |
343 | (goto-char (point-min)) | |
344 | (while (not (input-pending-p)) | |
345 | (let ((np (+ 2 (random 5))) | |
df9d055e | 346 | (pm (point-max))) |
abb2db1c | 347 | (while (< np pm) |
a2c270e7 GM |
348 | (funcall (if (zerop (random 2)) 'upcase-region |
349 | 'downcase-region) (1- np) np) | |
df9d055e | 350 | (setq np (+ np (1+ (random 5)))))) |
abb2db1c GM |
351 | (goto-char (point-min)) |
352 | (sit-for 0 2))) | |
353 | ||
354 | ||
3ef80852 | 355 | ;;;; rotating |
abb2db1c GM |
356 | |
357 | (defun zone-line-specs () | |
a2c270e7 GM |
358 | (let ((ok t) |
359 | ret) | |
abb2db1c GM |
360 | (save-excursion |
361 | (goto-char (window-start)) | |
a2c270e7 | 362 | (while (and ok (< (point) (window-end))) |
df9d055e TTN |
363 | (when (looking-at "[\t ]*\\([^\n]+\\)") |
364 | (setq ret (cons (cons (match-beginning 1) (match-end 1)) ret))) | |
a2c270e7 | 365 | (setq ok (zerop (forward-line 1))))) |
abb2db1c GM |
366 | ret)) |
367 | ||
368 | (defun zone-pgm-rotate (&optional random-style) | |
369 | (let* ((specs (apply | |
930baf47 | 370 | 'vector |
abb2db1c | 371 | (let (res) |
0ab1b3ff JB |
372 | (mapc (lambda (ent) |
373 | (let* ((beg (car ent)) | |
374 | (end (cdr ent)) | |
375 | (amt (if random-style | |
376 | (funcall random-style) | |
377 | (- (random 7) 3)))) | |
378 | (when (< (- end (abs amt)) beg) | |
379 | (setq amt (random (- end beg)))) | |
380 | (unless (= 0 amt) | |
381 | (setq res | |
382 | (cons | |
383 | (vector amt beg (- end (abs amt))) | |
384 | res))))) | |
385 | (zone-line-specs)) | |
abb2db1c | 386 | res))) |
930baf47 TTN |
387 | (n (length specs)) |
388 | amt aamt cut paste txt i ent) | |
abb2db1c GM |
389 | (while (not (input-pending-p)) |
390 | (setq i 0) | |
391 | (while (< i n) | |
930baf47 TTN |
392 | (setq ent (aref specs i)) |
393 | (setq amt (aref ent 0) aamt (abs amt)) | |
394 | (if (> 0 amt) | |
395 | (setq cut 1 paste 2) | |
396 | (setq cut 2 paste 1)) | |
397 | (goto-char (aref ent cut)) | |
a2c270e7 | 398 | (setq aamt (min aamt (- (point-max) (point)))) |
930baf47 TTN |
399 | (setq txt (buffer-substring (point) (+ (point) aamt))) |
400 | (delete-char aamt) | |
401 | (goto-char (aref ent paste)) | |
402 | (insert txt) | |
403 | (setq i (1+ i))) | |
abb2db1c GM |
404 | (sit-for 0.04)))) |
405 | ||
406 | (defun zone-pgm-rotate-LR-lockstep () | |
407 | (zone-pgm-rotate (lambda () 1))) | |
408 | ||
409 | (defun zone-pgm-rotate-RL-lockstep () | |
410 | (zone-pgm-rotate (lambda () -1))) | |
411 | ||
412 | (defun zone-pgm-rotate-LR-variable () | |
413 | (zone-pgm-rotate (lambda () (1+ (random 3))))) | |
414 | ||
415 | (defun zone-pgm-rotate-RL-variable () | |
416 | (zone-pgm-rotate (lambda () (1- (- (random 3)))))) | |
417 | ||
418 | ||
3ef80852 | 419 | ;;;; dripping |
abb2db1c | 420 | |
3ef80852 | 421 | (defsubst zone-cpos (pos) |
abb2db1c GM |
422 | (buffer-substring pos (1+ pos))) |
423 | ||
e3fa1c11 TTN |
424 | (defsubst zone-replace-char (count del-count char-as-string new-value) |
425 | (delete-char (or del-count (- count))) | |
3ef80852 | 426 | (aset char-as-string 0 new-value) |
e3fa1c11 | 427 | (dotimes (i count) (insert char-as-string))) |
3ef80852 TTN |
428 | |
429 | (defsubst zone-park/sit-for (pos seconds) | |
430 | (let ((p (point))) | |
431 | (goto-char pos) | |
432 | (prog1 (sit-for seconds) | |
433 | (goto-char p)))) | |
434 | ||
435 | (defun zone-fret (wbeg pos) | |
abb2db1c GM |
436 | (let* ((case-fold-search nil) |
437 | (c-string (zone-cpos pos)) | |
e3fa1c11 | 438 | (cw-ceil (ceiling (char-width (aref c-string 0)))) |
abb2db1c GM |
439 | (hmm (cond |
440 | ((string-match "[a-z]" c-string) (upcase c-string)) | |
441 | ((string-match "[A-Z]" c-string) (downcase c-string)) | |
a2c270e7 GM |
442 | (t (propertize " " 'display `(space :width ,cw-ceil))))) |
443 | (wait 0.5)) | |
444 | (dotimes (i 20) | |
abb2db1c GM |
445 | (goto-char pos) |
446 | (delete-char 1) | |
447 | (insert (if (= 0 (% i 2)) hmm c-string)) | |
a2c270e7 | 448 | (zone-park/sit-for wbeg (setq wait (* wait 0.8)))) |
abb2db1c GM |
449 | (delete-char -1) (insert c-string))) |
450 | ||
0ccb50fc | 451 | (defun zone-fill-out-screen (width height) |
3ef80852 | 452 | (let ((start (window-start)) |
a2c270e7 GM |
453 | (line (make-string width 32)) |
454 | (inhibit-point-motion-hooks t)) | |
3ef80852 | 455 | (goto-char start) |
0ccb50fc | 456 | ;; fill out rectangular ws block |
3ef80852 TTN |
457 | (while (progn (end-of-line) |
458 | (let ((cc (current-column))) | |
459 | (if (< cc width) | |
460 | (insert (substring line cc)) | |
461 | (delete-char (- width cc))) | |
462 | (cond ((eobp) (insert "\n") nil) | |
463 | (t (forward-char 1) t))))) | |
0ccb50fc TTN |
464 | ;; pad ws past bottom of screen |
465 | (let ((nl (- height (count-lines (point-min) (point))))) | |
466 | (when (> nl 0) | |
3ef80852 | 467 | (setq line (concat line "\n")) |
a2c270e7 | 468 | (dotimes (i nl) |
3ef80852 TTN |
469 | (insert line)))) |
470 | (goto-char start) | |
471 | (recenter 0) | |
472 | (sit-for 0))) | |
473 | ||
e3fa1c11 TTN |
474 | (defun zone-fall-through-ws (c wbeg wend) |
475 | (let* ((cw-ceil (ceiling (char-width (aref c 0)))) | |
476 | (spaces (make-string cw-ceil 32)) | |
477 | (col (current-column)) | |
478 | (wait 0.15) | |
479 | newpos fall-p) | |
480 | (while (when (save-excursion | |
49554388 GM |
481 | (and (zerop (forward-line 1)) |
482 | (progn | |
483 | (forward-char col) | |
484 | (= col (current-column))) | |
e3fa1c11 TTN |
485 | (setq newpos (point)) |
486 | (string= spaces (buffer-substring-no-properties | |
487 | newpos (+ newpos cw-ceil))) | |
488 | (setq newpos (+ newpos (1- cw-ceil))))) | |
3ef80852 TTN |
489 | (setq fall-p t) |
490 | (delete-char 1) | |
e3fa1c11 TTN |
491 | (insert spaces) |
492 | (goto-char newpos) | |
3ef80852 | 493 | (when (< (point) wend) |
e3fa1c11 | 494 | (delete-char cw-ceil) |
3ef80852 TTN |
495 | (insert c) |
496 | (forward-char -1) | |
497 | (zone-park/sit-for wbeg (setq wait (* wait 0.8)))))) | |
abb2db1c GM |
498 | fall-p)) |
499 | ||
500 | (defun zone-pgm-drip (&optional fret-p pancake-p) | |
501 | (let* ((ww (1- (window-width))) | |
502 | (wh (window-height)) | |
503 | (mc 0) ; miss count | |
504 | (total (* ww wh)) | |
3ef80852 TTN |
505 | (fall-p nil) |
506 | wbeg wend c) | |
0ccb50fc | 507 | (zone-fill-out-screen ww wh) |
3ef80852 TTN |
508 | (setq wbeg (window-start) |
509 | wend (window-end)) | |
df9d055e | 510 | (catch 'done |
abb2db1c | 511 | (while (not (input-pending-p)) |
e3fa1c11 | 512 | (setq mc 0 wend (window-end)) |
3ef80852 TTN |
513 | ;; select non-ws character, but don't miss too much |
514 | (goto-char (+ wbeg (random (- wend wbeg)))) | |
515 | (while (looking-at "[ \n\f]") | |
516 | (if (= total (setq mc (1+ mc))) | |
517 | (throw 'done 'sel) | |
518 | (goto-char (+ wbeg (random (- wend wbeg)))))) | |
519 | ;; character animation sequence | |
520 | (let ((p (point))) | |
521 | (when fret-p (zone-fret wbeg p)) | |
522 | (goto-char p) | |
523 | (setq c (zone-cpos p) | |
e3fa1c11 | 524 | fall-p (zone-fall-through-ws c wbeg wend))) |
abb2db1c GM |
525 | ;; assuming current-column has not changed... |
526 | (when (and pancake-p | |
527 | fall-p | |
528 | (< (count-lines (point-min) (point)) | |
529 | wh)) | |
e3fa1c11 TTN |
530 | (let ((cw (ceiling (char-width (aref c 0))))) |
531 | (zone-replace-char cw 1 c ?@) (zone-park/sit-for wbeg 0.137) | |
532 | (zone-replace-char cw nil c ?*) (zone-park/sit-for wbeg 0.137) | |
533 | (zone-replace-char cw nil c ?_))))))) | |
abb2db1c GM |
534 | |
535 | (defun zone-pgm-drip-fretfully () | |
536 | (zone-pgm-drip t)) | |
537 | ||
538 | (defun zone-pgm-five-oclock-swan-dive () | |
539 | (zone-pgm-drip nil t)) | |
540 | ||
541 | (defun zone-pgm-martini-swan-dive () | |
542 | (zone-pgm-drip t t)) | |
543 | ||
5b29d790 TTN |
544 | (defun zone-pgm-rat-race () |
545 | (while (not (input-pending-p)) | |
546 | (zone-call '((zone-pgm-rotate 10) | |
547 | (zone-pgm-drip-fretfully 15) | |
548 | (zone-pgm-drip 10) | |
549 | ((lambda () | |
550 | (goto-char (point-min)) | |
551 | (while (re-search-forward " +$" nil t) | |
552 | (delete-region (match-beginning 0) (match-end 0)))) | |
553 | 5))))) | |
554 | ||
abb2db1c | 555 | |
3ef80852 | 556 | ;;;; paragraph spazzing (for textish modes) |
abb2db1c GM |
557 | |
558 | (defun zone-pgm-paragraph-spaz () | |
0ccb50fc TTN |
559 | (if (memq (zone-orig major-mode) |
560 | ;; there should be a better way to distinguish textish modes | |
561 | '(text-mode texinfo-mode fundamental-mode)) | |
abb2db1c GM |
562 | (let ((fill-column fill-column) |
563 | (fc-min fill-column) | |
564 | (fc-max fill-column) | |
565 | (max-fc (1- (frame-width)))) | |
566 | (while (sit-for 0.1) | |
567 | (fill-paragraph 1) | |
568 | (setq fill-column (+ fill-column (- (random 5) 2))) | |
569 | (when (< fill-column fc-min) | |
570 | (setq fc-min fill-column)) | |
571 | (when (> fill-column max-fc) | |
572 | (setq fill-column max-fc)) | |
573 | (when (> fill-column fc-max) | |
574 | (setq fc-max fill-column)))) | |
575 | (message "Zoning... (zone-pgm-rotate)") | |
576 | (zone-pgm-rotate))) | |
577 | ||
578 | ||
0ccb50fc | 579 | ;;;; stressing and destressing |
abb2db1c GM |
580 | |
581 | (defun zone-pgm-stress () | |
582 | (goto-char (point-min)) | |
a2c270e7 GM |
583 | (let ((ok t) |
584 | lines) | |
585 | (while (and ok (< (point) (point-max))) | |
abb2db1c | 586 | (let ((p (point))) |
a2c270e7 GM |
587 | (setq ok (zerop (forward-line 1)) |
588 | lines (cons (buffer-substring p (point)) lines)))) | |
abb2db1c | 589 | (sit-for 5) |
df9d055e TTN |
590 | (zone-hiding-modeline |
591 | (let ((msg "Zoning... (zone-pgm-stress)")) | |
592 | (while (not (string= msg "")) | |
593 | (message (setq msg (substring msg 1))) | |
594 | (sit-for 0.05))) | |
595 | (while (not (input-pending-p)) | |
596 | (when (< 50 (random 100)) | |
597 | (goto-char (point-max)) | |
598 | (forward-line -1) | |
599 | (let ((kill-whole-line t)) | |
600 | (kill-line)) | |
601 | (goto-char (point-min)) | |
602 | (insert (nth (random (length lines)) lines))) | |
603 | (message (concat (make-string (random (- (frame-width) 5)) ? ) "grrr")) | |
604 | (sit-for 0.1))))) | |
605 | ||
df9d055e TTN |
606 | (defun zone-pgm-stress-destress () |
607 | (zone-call 'zone-pgm-stress 25) | |
608 | (zone-hiding-modeline | |
609 | (sit-for 3) | |
610 | (erase-buffer) | |
611 | (sit-for 3) | |
f706036b | 612 | (insert-buffer-substring "*Messages*") |
df9d055e TTN |
613 | (message "") |
614 | (goto-char (point-max)) | |
615 | (recenter -1) | |
616 | (sit-for 3) | |
617 | (delete-region (point-min) (window-start)) | |
618 | (message "hey why stress out anyway?") | |
619 | (zone-call '((zone-pgm-rotate 30) | |
620 | (zone-pgm-whack-chars 10) | |
621 | zone-pgm-drip)))) | |
622 | ||
623 | ||
0ccb50fc TTN |
624 | ;;;; the lyfe so short the craft so long to lerne --chaucer |
625 | ||
626 | (defvar zone-pgm-random-life-wait nil | |
627 | "*Seconds to wait between successive `life' generations. | |
628 | If nil, `zone-pgm-random-life' chooses a value from 0-3 (inclusive).") | |
629 | ||
630 | (defun zone-pgm-random-life () | |
631 | (require 'life) | |
632 | (zone-fill-out-screen (1- (window-width)) (1- (window-height))) | |
633 | (let ((top (progn (goto-char (window-start)) (forward-line 7) (point))) | |
634 | (bot (progn (goto-char (window-end)) (forward-line -7) (point))) | |
635 | (rtc (- (frame-width) 11)) | |
636 | (min (window-start)) | |
637 | (max (1- (window-end))) | |
3ef80852 | 638 | s c col) |
0ccb50fc | 639 | (delete-region max (point-max)) |
3ef80852 TTN |
640 | (while (and (progn (goto-char min) (sit-for 0.05)) |
641 | (progn (goto-char (+ min (random max))) | |
0ccb50fc TTN |
642 | (or (progn (skip-chars-forward " @\n" max) |
643 | (not (= max (point)))) | |
644 | (unless (or (= 0 (skip-chars-backward " @\n" min)) | |
645 | (= min (point))) | |
646 | (forward-char -1) | |
647 | t)))) | |
3ef80852 TTN |
648 | (unless (or (eolp) (eobp)) |
649 | (setq s (zone-cpos (point)) | |
650 | c (aref s 0)) | |
651 | (zone-replace-char | |
e3fa1c11 | 652 | (char-width c) |
fc866a94 | 653 | 1 s (cond ((or (> top (point)) |
3ef80852 TTN |
654 | (< bot (point)) |
655 | (or (> 11 (setq col (current-column))) | |
656 | (< rtc col))) | |
657 | 32) | |
658 | ((and (<= ?a c) (>= ?z c)) (+ c (- ?A ?a))) | |
659 | ((and (<= ?A c) (>= ?Z c)) ?*) | |
660 | (t ?@))))) | |
0ccb50fc TTN |
661 | (sit-for 3) |
662 | (setq col nil) | |
663 | (goto-char bot) | |
664 | (while (< top (point)) | |
665 | (setq c (point)) | |
666 | (move-to-column 9) | |
667 | (setq col (cons (buffer-substring (point) c) col)) | |
a2c270e7 GM |
668 | ; (let ((inhibit-point-motion-hooks t)) |
669 | (end-of-line 0);) | |
0ccb50fc | 670 | (forward-char -10)) |
3ef80852 | 671 | (let ((life-patterns (vector |
8b000fc3 | 672 | (if (and col (search-forward "@" max t)) |
3ef80852 TTN |
673 | (cons (make-string (length (car col)) 32) col) |
674 | (list (mapconcat 'identity | |
675 | (make-list (/ (- rtc 11) 15) | |
676 | (make-string 5 ?@)) | |
677 | (make-string 10 32))))))) | |
0ccb50fc TTN |
678 | (life (or zone-pgm-random-life-wait (random 4))) |
679 | (kill-buffer nil)))) | |
680 | ||
5db17239 | 681 | |
d2fe6685 | 682 | (random t) |
0ccb50fc | 683 | |
df9d055e | 684 | ;;;;;;;;;;;;;;; |
abb2db1c GM |
685 | (provide 'zone) |
686 | ||
cbee283d | 687 | ;; arch-tag: 7092503d-74a9-4325-a55c-a026ede58cea |
abb2db1c | 688 | ;;; zone.el ends here |