1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
|
/* -*- Mode: C; tab-width: 4 -*- */
/* world --- world spinner */
#if !defined( lint ) && !defined( SABER )
static const char sccsid[] = "@(#)world.c 4.07 97/11/24 xlockmore";
#endif
/*-
* Copyright (c) 1993 Matthew Moyle-Croft <mmc@cs.adelaide.edu.au>
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appear in all copies and that
* both that copyright notice and this permission notice appear in
* supporting documentation.
*
* This file is provided AS IS with no warranties of any kind. The author
* shall have no liability with respect to the infringement of copyrights,
* trade secrets or any patents by this file or any part thereof. In no
* event will the author be liable for any lost revenue or profits or
* other special, indirect and consequential damages.
*
* Revision History:
* 10-May-97: Compatible with xscreensaver
* 04-Oct-95: multiscreen patch, thanks to Grant McDorman <grant@isgtec.com>.
* 10-Jul-95: Backward spinning jump fixed by Neale Pickett <zephyr@nmt.edu>.
* 17-Jul-94: Got batchcount to work.
* 09-Jan-94: Written [ Modified from image.c ]
* 29-Jul-90: image.c written. Copyright (c) 1991 by Patrick J. Naughton.
*/
#ifdef STANDALONE
#define PROGCLASS "World"
#define HACK_INIT init_world
#define HACK_DRAW draw_world
#define world_opts xlockmore_opts
#define DEFAULTS "*delay: 100000 \n" \
"*count: -16 \n" \
"*ncolors: 200 \n"
#include "xlockmore.h" /* in xscreensaver distribution */
#else /* STANDALONE */
#include "xlock.h" /* in xlockmore distribution */
#endif /* STANDALONE */
ModeSpecOpt world_opts =
{0, NULL, 0, NULL, NULL};
#ifdef USE_MODULES
ModStruct world_description =
{"world", "init_world", "draw_world", "release_world",
"refresh_world", "init_world", NULL, &world_opts,
100000, -16, 1, 1, 64, 0.3, "",
"Shows spinning Earths", 0, NULL};
#endif
#include "bitmaps/terra-00.xbm"
#include "bitmaps/terra-01.xbm"
#include "bitmaps/terra-02.xbm"
#include "bitmaps/terra-03.xbm"
#include "bitmaps/terra-04.xbm"
#include "bitmaps/terra-05.xbm"
#include "bitmaps/terra-06.xbm"
#include "bitmaps/terra-07.xbm"
#include "bitmaps/terra-08.xbm"
#include "bitmaps/terra-09.xbm"
#include "bitmaps/terra-10.xbm"
#include "bitmaps/terra-11.xbm"
#include "bitmaps/terra-12.xbm"
#include "bitmaps/terra-13.xbm"
#include "bitmaps/terra-14.xbm"
#include "bitmaps/terra-15.xbm"
#include "bitmaps/terra-16.xbm"
#include "bitmaps/terra-17.xbm"
#include "bitmaps/terra-18.xbm"
#include "bitmaps/terra-19.xbm"
#include "bitmaps/terra-20.xbm"
#include "bitmaps/terra-21.xbm"
#include "bitmaps/terra-22.xbm"
#include "bitmaps/terra-23.xbm"
#include "bitmaps/terra-24.xbm"
#include "bitmaps/terra-25.xbm"
#include "bitmaps/terra-26.xbm"
#include "bitmaps/terra-27.xbm"
#include "bitmaps/terra-28.xbm"
#include "bitmaps/terra-29.xbm"
#define NUM_EARTHS 30
#define SIZE_X terra00_width /* 64 */
#define SIZE_Y terra00_height /* 64 */
#define NUM_REV 4
#define MINWORLDS 1
static XImage Earths[NUM_EARTHS] =
{
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra00_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra01_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra02_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra03_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra04_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra05_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra06_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra07_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra08_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra09_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra10_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra11_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra12_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra13_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra14_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra15_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra16_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra17_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra18_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra19_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra20_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra21_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra22_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra23_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra24_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra25_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra26_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra27_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra28_bits, LSBFirst, 8, LSBFirst, 8, 1},
{SIZE_X, SIZE_Y, 0, XYBitmap, (char *) terra29_bits, LSBFirst, 8, LSBFirst, 8, 1}};
typedef struct {
int x;
int y;
unsigned long color;
int frame;
int direction;
} planetstruct;
typedef struct {
int width;
int height;
int nrows;
int ncols;
int xb;
int yb;
int frame_num;
int nplanets;
planetstruct *planets;
} worldstruct;
static worldstruct *worlds = NULL;
void
init_world(ModeInfo * mi)
{
worldstruct *wp;
int i;
if (worlds == NULL) {
if ((worlds = (worldstruct *) calloc(MI_NUM_SCREENS(mi),
sizeof (worldstruct))) == NULL)
return;
}
wp = &worlds[MI_SCREEN(mi)];
wp->frame_num = NUM_EARTHS * NUM_REV;
for (i = 0; i < NUM_EARTHS; i++)
Earths[i].bytes_per_line = 8;
wp->width = MI_WIN_WIDTH(mi);
wp->height = MI_WIN_HEIGHT(mi);
wp->ncols = wp->width / SIZE_X;
if (!wp->ncols)
wp->ncols = 1;
wp->nrows = wp->height / SIZE_Y;
if (!wp->nrows)
wp->nrows = 1;
wp->xb = (wp->width - SIZE_X * wp->ncols) / 2;
wp->yb = (wp->height - SIZE_Y * wp->nrows) / 2;
wp->nplanets = MI_BATCHCOUNT(mi);
if (wp->nplanets < -MINWORLDS)
wp->nplanets = NRAND(-wp->nplanets - MINWORLDS + 1) + MINWORLDS;
else if (wp->nplanets < MINWORLDS)
wp->nplanets = MINWORLDS;
if (wp->nplanets > wp->ncols * wp->nrows)
wp->nplanets = wp->ncols * wp->nrows;
#ifndef NOFLASH
if (wp->nplanets > wp->ncols)
wp->nplanets = wp->ncols;
#endif
if (wp->planets != NULL)
(void) free((void *) wp->planets);
wp->planets = (planetstruct *) malloc(wp->nplanets * sizeof (planetstruct));
for (i = 0; i < wp->nplanets; i++)
wp->planets[i].x = wp->planets[i].y = -1;
MI_CLEARWINDOW(mi);
}
void
draw_world(ModeInfo * mi)
{
Display *display = MI_DISPLAY(mi);
GC gc = MI_GC(mi);
worldstruct *wp = &worlds[MI_SCREEN(mi)];
int i;
#ifndef NOFLASH
int *col, j;
if ((col = (int *) calloc(wp->ncols, sizeof (int))) == NULL)
return;
#endif
if (wp->frame_num == NUM_EARTHS * NUM_REV) {
wp->frame_num = 0;
XSetForeground(display, gc, MI_BLACK_PIXEL(mi));
for (i = 0; i < wp->nplanets; i++) {
if ((wp->ncols > wp->nplanets || wp->nrows < 2) &&
wp->planets[i].x >= 0 && wp->planets[i].y >= 0)
XFillRectangle(display, MI_WINDOW(mi), gc,
wp->xb + SIZE_X * wp->planets[i].x,
wp->yb + SIZE_Y * wp->planets[i].y,
SIZE_X, SIZE_Y);
#ifdef NOFLASH
wp->planets[i].x = NRAND(wp->ncols);
#else
do {
j = NRAND(wp->ncols);
if (!col[j])
wp->planets[i].x = j;
col[j]++;
} while (col[j] > 1);
#endif
wp->planets[i].y = NRAND(wp->nrows);
wp->planets[i].direction = LRAND() & 1;
wp->planets[i].frame = NRAND(NUM_EARTHS);
if (MI_NPIXELS(mi) > 2)
wp->planets[i].color = MI_PIXEL(mi, NRAND(MI_NPIXELS(mi)));
else
wp->planets[i].color = MI_WHITE_PIXEL(mi);
}
}
#ifndef NOFLASH
(void) free((void *) col);
#endif
for (i = 0; i < wp->nplanets; i++) {
XSetForeground(display, gc, wp->planets[i].color);
if (wp->planets[i].frame == NUM_EARTHS)
wp->planets[i].frame = 0;
else {
if ((wp->planets[i].frame < 0) && wp->planets[i].direction == 0)
wp->planets[i].frame = NUM_EARTHS - 1;
}
(void) XPutImage(display, MI_WINDOW(mi), gc,
(Earths + wp->planets[i].frame), 0, 0,
wp->xb + SIZE_X * wp->planets[i].x,
wp->yb + SIZE_Y * wp->planets[i].y,
SIZE_X, SIZE_Y);
(wp->planets[i].direction) ? wp->planets[i].frame++ : wp->planets[i].frame--;
}
wp->frame_num++;
}
void
release_world(ModeInfo * mi)
{
if (worlds != NULL) {
int screen;
for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++)
if (worlds[screen].planets != NULL)
(void) free((void *) worlds[screen].planets);
(void) free((void *) worlds);
worlds = NULL;
}
}
void
refresh_world(ModeInfo * mi)
{
/* Do nothing, it will refresh by itself */
}
|
