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bubblemon.c
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bubblemon.c
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/* WMBubble dockapp 1.54
*
* Todo: merge in wmfishtime/bubblefishymon, reduce number of
* compilation-time settings, make more things configurable via xresources.
*
* - dockapp for Window Maker/Blackbox/E/Afterstep/SawBabble
* - Code from Robert Jacobs <rjacobs@eamp.org>, 2010-2011
* - Code from the debian maintainers, 2005-2009
* - Code outside of bubblemon_update copyright 2000, 2001
* timecop@japan.co.jp
* - oleg dashevskii <od@iclub.nsu.ru> made changes to collect memory
* and cpu information on FreeBSD. Some major performance improvements
* and other cool hacks. Useful ideas - memscreen, load screen, etc.
* - Adrian B <midnight@bigpond.net.au> came up with the idea of load
* meter.
* - tarzeau@space.ch sent in cute duck gfx and suggestions, plus some
* code and duck motion fixes.
* - Phil Lu <wplu13@netscape.net> Dan Price <dp@rampant.org> - Solaris/SunOS
* port
* - Everything else copyright one of the guys below
* Bubbling Load Monitoring Applet
* - A GNOME panel applet that displays the CPU + memory load as a
* bubbling liquid.
* Copyright (C) 1999-2000 Johan Walles
* - d92-jwa@nada.kth.se
* Copyright (C) 1999 Merlin Hughes
* - merlin@merlin.org
* - http://nitric.com/freeware/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
*
*/
#define _GNU_SOURCE
#define VERSION "1.54"
/* general includes */
#include <stdio.h>
#include <sys/types.h>
#include <time.h>
#include <sys/time.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <locale.h>
#include <ctype.h> /* I know tolower isn't i18n, I'm sorry */
#include <math.h>
#include <inttypes.h>
/* x11 includes */
#include "wmx11pixmap.h"
#include <X11/Xresource.h>
#include "include/bubblemon.h"
#include "include/sys_include.h"
#include "include/numbers-2.h"
#include "include/ducks.h"
#include "include/digits.h"
#include "misc/numbers.xpm"
#include "misc/ofmspct.xpm"
#include "misc/datefont.xpm"
/* #define DEBUG_DUCK 1 */
#define NAME "wmbubble"
/* Want a better way to work with these. But we use them in two places now, so... */
#define GET_RED(x) (((x)>>16)&255)
#define GET_GRN(x) (((x)>> 8)&255)
#define GET_BLU(x) (((x) )&255)
enum bubblebuf_values { watercolor, antialiascolor, aircolor };
/* local prototypes *INDENT-OFF* */
void bubblemon_allocate_buffers(void);
void do_water_sim(int cpu);
void draw_watertank(void);
void bubblebuf_colorspace(void);
void build_graphs(void);
void make_new_bubblemon_dockapp(void);
void get_memory_load_percentage(void);
void bubblemon_session_defaults(XrmDatabase x_resource_database);
int get_screen_selection(void);
/* draw functions for load average / memory screens */
void draw_from_xpm(char **xpm, unsigned char *whither, unsigned int targetw,
unsigned int xpmx, unsigned int xpmy, unsigned int xpmw,
unsigned int xpmh, unsigned int color);
void draw_history(int num, int size, unsigned int *history,
unsigned char *buf);
void draw_digit(unsigned char * from, unsigned char * whither);
void draw_string(char *string, int x, int y, int color);
void draw_cpudigit(int what, unsigned char *whither);
void draw_cpugauge(int cpu);
void draw_rgba_pixel(unsigned char * whither, int color, float opacity);
void draw_aa_line(float x1,float y1, float x2,float y2, int color);
void draw_clockhands(void);
void render_secondary(void);
void calculate_transparencies(int proximity);
void alpha_cpu(void);
void alpha_graph(void);
void alpha_digitalclock(struct tm * mytime);
void alpha_date(struct tm * mytime);
void roll_history(void);
void draw_dtchr(const char letter, unsigned char *where);
int animate_correctly(void);
void draw_duck(int x, int y, int frame_no, int flipx, int flipy);
void duck_swimmer(void);
/* local prototypes end *INDENT-ON* */
extern char * optarg;
/* global variables */
BubbleMonData bm;
int duck_enabled = 1;
int upside_down_duck_enabled = 1;
int cpu_enabled = 1;
int memscreen_enabled = 1;
int memscreen_megabytes = 0;
int graph_digit_color = 0x308cf0;
int graph_warning_digit_color = 0xed1717;
int pale = 0;
int do_analog_clock = 0;
int hourcolor = 0xEEEEEE;
int mincolor = 0xBF0000;
int seccolor = 0xC79F2B;
int shifttime = 0;
int do_digital_clock = 0;
int do_date = 0;
int do_help = 0;
int delay_time = 15000;
int gauge_alpha = CPUMAXBLEND;
int graph_alpha = GRAPHMAXBLEND;
/* duck_colors[0] is always transparent */
int duck_colors[4] = {0,0xF8FC00,0xF8B040,0};
/* 1, 5, 15 on load average graph; m, s on memory utilization graph */
int graph_labels = 0xC1C400;
int graph_field = 0x202020;
int graph_grid = 0x062A00;
int graph_max = 0x20B6AE;
int graph_bar = 0x007D71;
int graph_hundreds = 0x71E371;
unsigned char * empty_loadgraph, * empty_memgraph;
unsigned char * graph_numbers_n_rgb, * graph_numbers_b_rgb;
unsigned char cpu_gauge[25*9*3];
int datefont_widths[256];
char datefont_transparent;
unsigned int datefont_offset;
int duck_blink = 0;
int blinkdelay = 1;
const struct XrmUnified {
char * const option;
char * const specifier;
const char * const valueifnoarg;
const enum { Is_Int, Is_Color, Is_Float, Is_Bool } parse_as;
void * write_to;
const char * const description;
} x_resource_unified[] = {
{"-maxbubbles", "*maxbubbles", NULL, Is_Int, &bm.maxbubbles, "Maximum number of simultaneous bubbles in the dockapp" },
{"-air_noswap", "*air_noswap", NULL, Is_Color, &bm.air_noswap, "Color of air and bubbles when swap is at 0%" },
{"-air_maxswap", "*air_maxswap", NULL, Is_Color, &bm.air_maxswap, "Color of air and bubbles when swap is at 100%" },
{"-liquid_noswap", "*liquid_noswap", NULL, Is_Color, &bm.liquid_noswap, "Color of water when swap is at 0%" },
{"-liquid_maxswap","*liquid_maxswap", NULL, Is_Color, &bm.liquid_maxswap, "Color of water when swap is at 100%" },
{"-duckbody", "*duckbody", NULL, Is_Color, &duck_colors[1], "Color of duck's body" },
{"-duckbill", "*duckbill", NULL, Is_Color, &duck_colors[2], "Color of duck's bill" },
{"-duckeye", "*duckeye", NULL, Is_Color, &duck_colors[3], "Color of duck's eye" },
{"-delay", "*delay", NULL, Is_Int, &delay_time, "delay this number of microseconds between redraws" },
{"-ripples", "*ripples", NULL, Is_Float, &bm.ripples, "Pixels to disturb the surface when a bubble is formed/pops" },
{"-gravity", "*gravity", NULL, Is_Float, &bm.gravity, "Pixels/refresh/refresh to accelerate bubbles upwards" },
{"-volatility", "*volatility", NULL, Is_Float, &bm.volatility, "Restorative force on water surface in proportion/refresh"},
{"-viscosity", "*viscosity", NULL, Is_Float, &bm.viscosity, "Attenuation of surface velocity in proportion/refresh"},
{"-speed_limit", "*speed_limit", NULL, Is_Float, &bm.speed_limit, "Maximum water surface velocity in pixels/refresh" },
{"-help", ".help", "1" , Is_Bool, &do_help, "Displays this help" },
{"-duck", "*duck", NULL, Is_Bool, &duck_enabled, "Draw the duck?"},
{"-d", "*duck", "no", Is_Bool, &duck_enabled, "Just don't draw the duck" },
{"-upsidedown", "*upsidedown", NULL, Is_Bool, &upside_down_duck_enabled, "Can the duck flip when the tank is overfull?" },
{"-u", "*upsidedown", "no", Is_Bool, &upside_down_duck_enabled, "The duck can never flip" },
{"-cpumeter", "*cpumeter", NULL, Is_Bool, &cpu_enabled, "Show the current load at the bottom"},
{"-c", "*cpumeter", "no", Is_Bool, &cpu_enabled, "Don't show the current load"},
{"-graphdigit", "*graphdigit", NULL, Is_Color, &graph_digit_color, "Color of the digits on the graphs"},
{"-graphwarn", "*graphwarn", NULL, Is_Color, &graph_warning_digit_color, "Color of the digits on the memory graph when above 90%" },
{"-graphlabel", "*graphlabel", NULL, Is_Color, &graph_labels, "Color of the 1 5 and 15 on load graph and m and s on mem graph" },
{"-graphfield", "*graphfield", NULL, Is_Color, &graph_field, "Color of the background of the graphs" },
{"-graphgrid", "*graphgrid", NULL, Is_Color, &graph_grid, "Color of the grid lines in the graphs" },
{"-graphmax", "*graphmax", NULL, Is_Color, &graph_max, "Color of the top two pixels of the bar graph" },
{"-graphbar", "*graphbar", NULL, Is_Color, &graph_bar, "Color of the rest of the bar graph" },
{"-graphmarkers", "*graphmarkers", NULL, Is_Color, &graph_hundreds, "Color of the horizontal lines on the graph that indicate each integer load average" },
{"-p", ".graphdigitpale", "1" , Is_Bool, &pale, "Adjust the digit colors to pale blue and cyan"},
{"-graphs", "*graphs", NULL, Is_Bool, &memscreen_enabled, "Does hovering show the graphs" },
{"-m", "*graphs", "no", Is_Bool, &memscreen_enabled, "Graphs are never shown"},
{"-units", "*units", NULL, Is_Bool, &memscreen_megabytes, "Units for memory in KB or MB"},
{"-k", "*units", "m" , Is_Bool, &memscreen_megabytes, "Memory graphs use MB" },
{"-shifttime", "*shifttime", NULL, Is_Int, &shifttime, "Number of hours after midnight that are drawn as part of the previous day on digital clock and date" },
{"-digital", "*digital", NULL, Is_Bool, &do_digital_clock, "Draw 24h digital clock" },
{"-showdate", "*showdate", NULL, Is_Bool, &do_date, "Draw day-of-week month day-of-month "},
{"-analog", "*analog" , NULL, Is_Bool, &do_analog_clock, "Draw analog clock face" },
{"-hourcolor", "*hourcolor", NULL, Is_Color, &hourcolor, "Color of hour hand on analog clock "},
{"-mincolor", "*mincolor", NULL, Is_Color, &mincolor, "Color of minute hand on analog clock "},
{"-seccolor", "*seccolor", NULL, Is_Color, &seccolor, "Color of second hand on analog clock "}};
void bubblemon_session_defaults(XrmDatabase x_resource_database)
{
/* XResource stuff */
char name[BUFSIZ] = "";
XrmValue val;
XColor colorparsing;
char *type;
int i;
/* number of CPU load samples */
bm.samples = 16;
/* default colors. changeable from Xresources */
bm.air_noswap = 0x2299ff;
bm.liquid_noswap = 0x0055ff;
bm.air_maxswap = 0xff0000;
bm.liquid_maxswap = 0xaa0000;
/* default bubble engine parameters. Changeable from Xresources */
bm.maxbubbles = 100;
bm.ripples = .2;
bm.gravity = 0.01;
bm.volatility = 1;
bm.viscosity = .98;
bm.speed_limit = 1.0;
for (i = 0; i < (sizeof(x_resource_unified) / sizeof(x_resource_unified[0])); i++) {
strncpy(name,NAME,BUFSIZ), strncat(name,x_resource_unified[i].specifier,BUFSIZ-strlen(name));
if (XrmGetResource(x_resource_database, name, name, &type, &val)) {
/* Type returned by XrmGetResource is useless, it seems to always return "String" */
if (val.size > 0) /* prevent empty strings */
switch (x_resource_unified[i].parse_as) {
case Is_Int:
*(int *) x_resource_unified[i].write_to = strtol(val.addr,NULL,0);
break;
case Is_Float:
*(double *) x_resource_unified[i].write_to = strtod(val.addr,NULL);
break;
case Is_Color:
if (XParseColor(wmxp_display,
DefaultColormap(wmxp_display,
DefaultScreen(wmxp_display)),
val.addr, &colorparsing) == 0) {
fprintf(stderr,"Couldn't parse color %s for control %s\n",
val.addr,x_resource_unified[i].option);
exit(-3);
}
*(int *) x_resource_unified[i].write_to =
((colorparsing.red & 0xFF00) << 8) |
((colorparsing.green & 0xFF00)) |
((colorparsing.blue & 0xFF00) >> 8);
break;
case Is_Bool:
/* yes, on, 1, megabytes vs no, off, 0, kilobytes */
if (tolower(val.addr[0]) == 'y' ||
tolower(val.addr[0]) == 'm' ||
val.addr[0] == '1' ||
(tolower(val.addr[0]) == 'o' && tolower(val.addr[1]) == 'n'))
*(int *) x_resource_unified[i].write_to = 1; /* bools are stored in ints, sorry */
else if (tolower(val.addr[0]) == 'n' ||
tolower(val.addr[0]) == 'k' ||
val.addr[0] == '0' ||
(tolower(val.addr[0]) == 'o' && tolower(val.addr[1]) == 'f'))
*(int *) x_resource_unified[i].write_to = 0;
else {
fprintf(stderr,"Couldn't parse %s as a boolean for resource %s\n",val.addr,name);
exit(-2);
}
break;
default:
fprintf(stderr, "Compilation time error: element #%d (%s) has not-understood parse type %d\n",
i, x_resource_unified[i].option, x_resource_unified[i].parse_as);
abort();
break;
}
}
}
if (pale) {
graph_digit_color = 0x9ec4ed;
graph_warning_digit_color = 0x00ffe9;
}
/* convert doubles into integer representation */
bm.ripples_int = MAKE_INTEGER(bm.ripples);
bm.gravity_int = MAKE_INTEGER(bm.gravity);
bm.volatility_int = MAKE_INTEGER(bm.volatility);
bm.viscosity_int = MAKE_INTEGER(bm.viscosity);
bm.speed_limit_int = MAKE_INTEGER(bm.speed_limit);
}
void print_usage(void) {
char preformat[33];
int i;
printf("WMBubble version "VERSION"\n"
"Usage: "NAME" [switches] [program1] [program2] [...] [program(# of mouse buttons)]\n\n"
"Permitted options are:\n");
for (i=0; i < sizeof(x_resource_unified) / sizeof(x_resource_unified[0]); i++) {
strncpy(preformat,x_resource_unified[i].option,32);
switch(x_resource_unified[i].parse_as) {
case Is_Int:
strncat(preformat," [num]",32-strlen(preformat));
break;
case Is_Color:
strncat(preformat," [color]",32-strlen(preformat));
break;
case Is_Float:
strncat(preformat," [float]",32-strlen(preformat));
break;
case Is_Bool:
if (x_resource_unified[i].valueifnoarg == NULL)
strncat(preformat," [y/n]",32-strlen(preformat));
break;
}
printf("%-24s %s\n",preformat,x_resource_unified[i].description);
}
}
int main(int argc, char **argv) {
char execute[256];
char * x_resources_as_string;
unsigned int loadPercentage;
int gaugedelay, gaugedivisor, graphdelay, graphdivisor;
int proximity = 0;
time_t mytt;
int ii;
int i_am_visible = 1;
int iconwin_visible = 1;
int win_visible = 1;
struct tm * mytime;
int mday=0, hours=0;
#ifdef FPS
int frames_count;
time_t last_time;
#endif
#if defined(PRO) && PRO > 0
struct timeval start, end;
int cnt = PRO;
#endif
XEvent event;
XrmDatabase x_resource_db;
XrmOptionDescRec * x_resource_options;
#ifdef FPS
frames_count = last_time = 0;
#endif
/* VERY first thing: zero data structure */
memset(&bm, 0, sizeof(bm));
/* Support localized date strings */
setlocale(LC_ALL,"");
/* initialize Ximage */
bm.xim = initwmX11pixmap(argc,argv);
XrmInitialize();
x_resources_as_string = XResourceManagerString(wmxp_display);
if (x_resources_as_string == NULL)
x_resources_as_string = "";
x_resource_db = XrmGetStringDatabase(x_resources_as_string);
x_resource_options = (XrmOptionDescRec *)calloc(sizeof(XrmOptionDescRec),sizeof(x_resource_unified)/sizeof(x_resource_unified[0]));
for (ii = 0; ii < sizeof(x_resource_unified)/sizeof(x_resource_unified[0]); ii ++) {
x_resource_options[ii].option = x_resource_unified[ii].option;
x_resource_options[ii].specifier = x_resource_unified[ii].specifier;
x_resource_options[ii].value = (XPointer) x_resource_unified[ii].valueifnoarg;
x_resource_options[ii].argKind = (x_resource_unified[ii].valueifnoarg == NULL) ? XrmoptionSepArg : XrmoptionNoArg;
}
XrmParseCommand(&x_resource_db, x_resource_options,
sizeof(x_resource_unified)/sizeof(x_resource_unified[0]),
NAME, &argc, argv);
free(x_resource_options);
/* set default things, from Xresources or compiled-in defaults. Must come after initwmX11pixmap and we have a DISPLAY */
bubblemon_session_defaults(x_resource_db);
if (do_help || (argv[1] && argv[1][0] == '-')) { /* That's gotta be wrong. */
print_usage();
exit(0);
}
argv++; argc--; /* Otherwise we'll make more of ourselves on a left click */
make_new_bubblemon_dockapp();
/* the math below makes the cpu gauge try to update at 5 Hz.
Originally it was 15ms*10 meaning 7Hz */
gaugedelay = gaugedivisor = 200000 / delay_time;
if (gaugedivisor == 0) gaugedivisor = 1;
graphdelay = graphdivisor = 1000000 / delay_time;
if (graphdivisor == 0) graphdivisor = 1;
blinkdelay = 150000 / delay_time;
if (blinkdelay == 0) blinkdelay++;
loadPercentage = 0;
#ifdef PRO
gettimeofday(&start,NULL);
#endif
while (
#ifdef PRO
cnt--
#else
1
#endif
) {
/* XPending: 1184ns/frame */
while (XPending(wmxp_display)) {
XNextEvent(wmxp_display,&event);
switch (event.type) {
case ButtonPress:
if (memscreen_enabled && event.xbutton.button == 3) {
bm.picture_lock = !bm.picture_lock;
break;
}
if (event.xbutton.button <= argc) {
snprintf(execute, 250, "%s &",
argv[event.xbutton.button - 1]);
if (system(execute) == -1)
duck_blink += 6 * blinkdelay;
}
break;
case EnterNotify:
/* mouse in: make it darker, and eventually bring up
* meminfo */
proximity = 1;
if (!bm.picture_lock)
bm.screen_type = get_screen_selection();
break;
case VisibilityNotify:
if (event.xvisibility.window == wmxp_iconwin) {
iconwin_visible = !(event.xvisibility.state == VisibilityFullyObscured);
}
if (event.xvisibility.window == wmxp_win) {
win_visible = !(event.xvisibility.state == VisibilityFullyObscured);
}
i_am_visible = iconwin_visible || win_visible;
break;
case LeaveNotify:
/* mouse out: back to light */
proximity = 0;
break;
default:
break;
}
}
#ifndef PRO
usleep(delay_time);
#endif /*PRO*/
/* gmlp: 72.53us/frame */
get_memory_load_percentage();
if (++gaugedelay >= gaugedivisor) {
/* on linux, apparently opening /proc/stat is expensive, whodathunk? */
/* system_cpu: 494.0us/frame */
loadPercentage = system_cpu();
gaugedelay = 0;
}
if (memscreen_enabled && ++graphdelay >= graphdivisor) {
/* update graph histories: ? */
roll_history();
graphdelay = 0;
}
if (i_am_visible) {
/* bubblemon_update: 2.207us/frame */
do_water_sim(loadPercentage);
draw_watertank();
/* 18.68us/frame */
bubblebuf_colorspace();
}
/* 1.785us/frame */
if (duck_enabled && i_am_visible) {
duck_swimmer();
}
if (i_am_visible && cpu_enabled && gaugedelay == 0)
/* we don't want to redraw changing digits every update because that
* doesn't look so good. we throttle it above because system_cpu is
* expensive on linux. */
draw_cpugauge(loadPercentage);
/* ? */
calculate_transparencies(proximity);
/* ? */
/* originally, numbers above are updated every (30/66.7)=0.45 s and
graphs are rolled every 500/66.7=7.5 s.
For now we'll just update everything at the same rate */
if (i_am_visible && memscreen_enabled && graph_alpha < GRAPHMAXBLEND && graphdelay == 0)
render_secondary();
if (i_am_visible && cpu_enabled)
alpha_cpu();
if (i_am_visible && do_analog_clock)
draw_clockhands();
time(&mytt);
mytime = localtime(&mytt);
mday = mytime->tm_mday;
hours = 0;
if (mytime->tm_hour<shifttime) {
while (mday == mytime->tm_mday) {
mytt -= 3600; hours++;
mytime = localtime(&mytt);
}
mytime->tm_hour += hours;
}
if (i_am_visible && do_digital_clock)
alpha_digitalclock(mytime);
if (i_am_visible && do_date)
alpha_date(mytime);
if (i_am_visible && memscreen_enabled && graph_alpha < GRAPHMAXBLEND)
alpha_graph();
#ifdef FPS
/* 157ns/frame */
frames_count++;
if(time(NULL)!=last_time) {
fprintf(stderr,"%03dfps\n",frames_count);
frames_count=0;
last_time=time(NULL);
}
#endif /*FPS*/
/* drawing borders: 1.136us/frame */
if (i_am_visible) {
int xx,yy;
unsigned char * from;
for (from=bm.rgb_buf,xx=0;xx<BOX_SIZE*3-3;from++,xx++) {
from[0]/=4;
from[BOX_SIZE*(BOX_SIZE-1)*3+3]=
(255+from[BOX_SIZE*(BOX_SIZE-1)*3+3])/2;
}
for (from=bm.rgb_buf,yy=0;yy<BOX_SIZE-1;yy++,
from+=BOX_SIZE*3) {
from[0]/=4; from[1]/=4; from[2]/=4;
from[(2*BOX_SIZE-1)*3 ]=
(255+from[(2*BOX_SIZE-1)*3 ])/2;
from[(2*BOX_SIZE-1)*3+1]=
(255+from[(2*BOX_SIZE-1)*3+1])/2;
from[(2*BOX_SIZE-1)*3+2]=
(255+from[(2*BOX_SIZE-1)*3+2])/2;
}
}
/* Our colorspace conversion: 18.17us/frame */
if (i_am_visible) RGBtoXIm(bm.rgb_buf,bm.xim);
/* X11 XImage->Pixmap->display: 148.6us/frame */
if (i_am_visible) RedrawWindow(bm.xim);
}
#ifdef PRO
gettimeofday(&end,NULL);
end.tv_sec -= start.tv_sec;
end.tv_usec -= start.tv_usec;
fprintf(stderr,"%d redraws in %f seconds = %f fps, %f us/f\n",PRO,
end.tv_sec+end.tv_usec/1000000.0,
(float)PRO/(end.tv_sec+end.tv_usec/1000000.0),
(end.tv_sec*1000000.0+end.tv_usec)/(float)PRO);
#endif
return 0;
} /* main */
/*
* This determines if the left or right shift keys are depressed.
*/
int get_screen_selection(void) {
static KeyCode lshift_code, rshift_code;
static int first_time = 1;
char keys[32];
if (first_time) {
first_time = 0;
lshift_code = XKeysymToKeycode(wmxp_display,
XStringToKeysym("Shift_L"));
rshift_code = XKeysymToKeycode(wmxp_display,
XStringToKeysym("Shift_R"));
}
XQueryKeymap(wmxp_display, keys);
if ((keys[lshift_code >> 3] & (1 << (lshift_code % 8))) ||
(keys[rshift_code >> 3] & (1 << (rshift_code % 8)))) {
return 0;
} else {
return 1;
}
}
void make_new_bubblemon_dockapp(void) {
unsigned int cc, yy, maxwidth;
int xx;
/* We begin with zero bubbles */
bm.n_bubbles = 0;
/* Allocate memory for calculations */
bubblemon_allocate_buffers();
build_graphs();
sscanf(datefont_xpm[0],"%u %u %u %u",&maxwidth,&yy,&datefont_offset,&cc);
if (cc != 1) abort(); /* wat */
datefont_offset++; /* include header line */
for (yy = 1; yy < datefont_offset; yy++) {
if (strcasestr(datefont_xpm[yy],"none")) {
datefont_transparent = datefont_xpm[yy][0];
yy = datefont_offset;
}
}
/* calculate proportional spacing widths of font used for writing date */
for (cc = 33; cc < 128; cc++)
for (xx = maxwidth-1; xx >= 0; xx--)
for (yy = 0; yy < 8; yy++)
if (datefont_xpm[(cc-32)*8+yy+datefont_offset][xx] != datefont_transparent) {
datefont_widths[cc] = xx+2;
xx = -1; yy = 9;
}
datefont_widths[' ']=2;
/* force non-ascii strings to display as MONTH_IN_ROMAN_NUMERALS - DAY_OF_MONTH */
for (cc = 0; cc < 32; cc++)
datefont_widths[cc] = BOX_SIZE;
for (cc = 128; cc < 256; cc++)
datefont_widths[cc] = BOX_SIZE;
} /* make_new_bubblemon_dockapp */
/*
* This function, bubblemon_update, gets the CPU usage and updates
* the bubble array and main rgb buffer.
*/
void do_water_sim(int loadPercentage) {
unsigned int i, x;
unsigned int waterlevels_goal;
/*
The bubblebuf is made up of int8s (0..2), corresponding to the enum. A
pixel in the bubblebuf is accessed using the formula bubblebuf[row * w
+ column].
*/
/* y coordinates are counted from here multiplied by MULTIPLIER
to get actual screen coordinate, use REALY */
/* Move the water level with the current memory usage. */
waterlevels_goal = MAKEY(BOX_SIZE) - ((bm.mem_percent * MAKEY(BOX_SIZE)) / 100);
/* Guard against boundary errors */
waterlevels_goal -= (1 << (POWER2 - 1));
bm.waterlevels[0] = waterlevels_goal;
bm.waterlevels[BOX_SIZE-1] = waterlevels_goal;
for (x = 1; x < BOX_SIZE-1; x++) {
/* Accelerate the current waterlevel towards its correct value */
bm.waterlevels_dy[x] +=
(((bm.waterlevels[x - 1] + bm.waterlevels[x + 1] - 2 * bm.waterlevels[x])
* bm.volatility_int) >> (POWER2 + 1));
bm.waterlevels_dy[x] *= bm.viscosity_int;
bm.waterlevels_dy[x] >>= POWER2;
if (bm.waterlevels_dy[x] > bm.speed_limit_int)
bm.waterlevels_dy[x] = bm.speed_limit_int;
else if (bm.waterlevels_dy[x] < -bm.speed_limit_int)
bm.waterlevels_dy[x] = -bm.speed_limit_int;
}
for (x = 1; x < BOX_SIZE-1; x++) {
/* Move the current water level */
bm.waterlevels[x] = bm.waterlevels[x] + bm.waterlevels_dy[x];
if (bm.waterlevels[x] > MAKEY(BOX_SIZE)) {
/* Stop the wave if it hits the floor... */
bm.waterlevels[x] = MAKEY(BOX_SIZE);
bm.waterlevels_dy[x] = 0;
} else if (bm.waterlevels[x] < 0) {
/* ... or the ceiling. */
bm.waterlevels[x] = 0;
bm.waterlevels_dy[x] = 0;
}
}
/* Create a new bubble if the planets are correctly aligned... */
if ((bm.n_bubbles < bm.maxbubbles)
&& ((rand() % 101) <= loadPercentage)) {
/* We don't allow bubbles on the edges 'cause we'd have to clip them */
bm.bubbles[bm.n_bubbles].x = (rand() % (BOX_SIZE-2)) + 1;
bm.bubbles[bm.n_bubbles].y = MAKEY(BOX_SIZE-1);
bm.bubbles[bm.n_bubbles].dy = 0;
#ifdef DEBUG_DUCK
fprintf (stderr, "new bubble: bm.bubbles[bm.n_bubbles].x = %i\n",
bm.bubbles[bm.n_bubbles].x);
#endif
/* Raise the water level above where the bubble is created */
if (bm.bubbles[bm.n_bubbles].x > 2)
bm.waterlevels[bm.bubbles[bm.n_bubbles].x - 2] -= bm.ripples_int;
bm.waterlevels[bm.bubbles[bm.n_bubbles].x - 1] -= bm.ripples_int;
bm.waterlevels[bm.bubbles[bm.n_bubbles].x] -= bm.ripples_int;
bm.waterlevels[bm.bubbles[bm.n_bubbles].x + 1] -= bm.ripples_int;
if (bm.bubbles[bm.n_bubbles].x < (BOX_SIZE-3))
bm.waterlevels[bm.bubbles[bm.n_bubbles].x + 2] -= bm.ripples_int;
/* Count the new bubble */
bm.n_bubbles++;
}
/* Update the bubbles */
for (i = 0; i < bm.n_bubbles; i++) {
/* Accelerate the bubble */
bm.bubbles[i].dy -= bm.gravity_int;
/* Move the bubble vertically */
bm.bubbles[i].y += bm.bubbles[i].dy;
/* is the bubble grossly out of bounds? */
if (bm.bubbles[i].x < 1 || bm.bubbles[i].x > (BOX_SIZE-2) ||
bm.bubbles[i].y > MAKEY(BOX_SIZE)) {
#ifdef DEBUG_DUCK
fprintf (stderr, "bubble out of bounds "
"bm.bubbles[%i].x=%i, bm.bubbles[%i].y=%i\n",
i, bm.bubbles[i].x, i, bm.bubbles[i].y);
#endif
/* Yes; nuke it by replacing its properties with those
of the last one and deallocate the last one. */
bm.n_bubbles--;
bm.bubbles[i].x = bm.bubbles[bm.n_bubbles].x;
bm.bubbles[i].y = bm.bubbles[bm.n_bubbles].y;
bm.bubbles[i].dy = bm.bubbles[bm.n_bubbles].dy;
/*
We must still check what was the next bubble which is
now the current bubble.
*/
i--;
continue;
}
/* Did we lose it? */
if (bm.bubbles[i].y < bm.waterlevels[bm.bubbles[i].x]) {
/* Lower the water level around where the bubble is about to vanish */
bm.waterlevels[bm.bubbles[i].x - 1] += bm.ripples_int;
bm.waterlevels[bm.bubbles[i].x] += 3 * bm.ripples_int;
bm.waterlevels[bm.bubbles[i].x + 1] += bm.ripples_int;
bm.n_bubbles--;
bm.bubbles[i].x = bm.bubbles[bm.n_bubbles].x;
bm.bubbles[i].y = bm.bubbles[bm.n_bubbles].y;
bm.bubbles[i].dy = bm.bubbles[bm.n_bubbles].dy;
i--;
continue;
}
}
}
void draw_watertank(void) {
int x, y, i;
unsigned char *bubblebuf_ptr;
/* Draw the air-and-water background */
for (x = 0; x < BOX_SIZE; x++) {
/* Air... */
for (y = 0;
y < REALY(bm.waterlevels[x]); y++)
bm.bubblebuf[y * BOX_SIZE + x] = aircolor;
/* ... and water */
for (; y < BOX_SIZE; y++)
bm.bubblebuf[y * BOX_SIZE + x] = watercolor;
}
/* Draw the bubbles */
for (i = 0; i < bm.n_bubbles; i++) {
/*
Clipping is not necessary for x, but it *is* for y.
To prevent ugliness, we draw antialiascolor only on top of
watercolor, and aircolor on top of antialiascolor.
*/
/* Top row */
bubblebuf_ptr = &(bm.bubblebuf[(((REALY(bm.bubbles[i].y) - 1) * BOX_SIZE) + BOX_SIZE) + bm.bubbles[i].x - 1]);
if (bubblebuf_ptr[0] < aircolor)
bubblebuf_ptr[0]++; /* water becomes antialias; antialias becomes air for outside corners */
bubblebuf_ptr[1] = aircolor;
if (bubblebuf_ptr[2] < aircolor)
bubblebuf_ptr[2]++;
bubblebuf_ptr += BOX_SIZE;
/* Middle row - no color clipping necessary */
bubblebuf_ptr[0] = aircolor;
bubblebuf_ptr[1] = aircolor;
bubblebuf_ptr[2] = aircolor;
bubblebuf_ptr += BOX_SIZE;
/* Bottom row */
if (bm.bubbles[i].y < MAKEY(BOX_SIZE-1)) {
if (bubblebuf_ptr[0] < aircolor)
bubblebuf_ptr[0]++;
bubblebuf_ptr[1] = aircolor;
if (bubblebuf_ptr[2] < aircolor)
bubblebuf_ptr[2]++;
}
}
} /* bubblemon_update */
void bubblebuf_colorspace(void) {
unsigned char reds[3], grns[3], blus[3];
unsigned char * bubblebuf_ptr, * rgbbuf_ptr;
int count, bubblebuf_val;
/*
Vary the colors of air and water with how many percent of the available
swap space that is in use.
*/
reds[watercolor] =
(GET_RED(bm.liquid_maxswap) * bm.swap_percent +
GET_RED(bm.liquid_noswap) * (100 - bm.swap_percent)) / 100;
reds[aircolor] =
(GET_RED(bm.air_maxswap) * bm.swap_percent +
GET_RED(bm.air_noswap) * (100 - bm.swap_percent)) / 100;
reds[antialiascolor] = ((int)reds[watercolor] + reds[aircolor])/2;
grns[watercolor] =
(GET_GRN(bm.liquid_maxswap) * bm.swap_percent +
GET_GRN(bm.liquid_noswap) * (100 - bm.swap_percent)) / 100;
grns[aircolor] =
(GET_GRN(bm.air_maxswap) * bm.swap_percent +
GET_GRN(bm.air_noswap) * (100 - bm.swap_percent)) / 100;
grns[antialiascolor] = ((int)grns[watercolor] + grns[aircolor])/2;
blus[watercolor] =
(GET_BLU(bm.liquid_maxswap) * bm.swap_percent +
GET_BLU(bm.liquid_noswap) * (100 - bm.swap_percent)) / 100;
blus[aircolor] =
(GET_BLU(bm.air_maxswap) * bm.swap_percent +
GET_BLU(bm.air_noswap) * (100 - bm.swap_percent)) / 100;
blus[antialiascolor] = ((int)blus[watercolor] + blus[aircolor])/2;
for (count = BOX_SIZE*BOX_SIZE, rgbbuf_ptr = bm.rgb_buf, bubblebuf_ptr = bm.bubblebuf;
count; count--) {
bubblebuf_val = *bubblebuf_ptr++; /* -O3 did not optimize away the 3x load of *bubblebuf_ptr */
*rgbbuf_ptr++ = reds[bubblebuf_val];
*rgbbuf_ptr++ = grns[bubblebuf_val];
*rgbbuf_ptr++ = blus[bubblebuf_val];
}
} /* bubblebuf_colorspace */
void draw_from_xpm(char **xpm, unsigned char *whither, unsigned int targetw,
unsigned int xpmx, unsigned int xpmy, unsigned int xpmw,
unsigned int xpmh, unsigned int color) {
unsigned char r=GET_RED(color),g=GET_GRN(color),b=GET_BLU(color);
unsigned int yy,xx,ncolors,cpp;
unsigned char * to;
char * from;
char transparent=0;
sscanf(xpm[0],"%u %u %u %u",&xx,&yy,&ncolors,&cpp);
if (cpp != 1) abort(); /* wat */
if (xpmx+xpmw > xx || xpmy+xpmh > yy) return;
for (yy=1;yy<=ncolors;yy++) {
if (strcasestr(xpm[yy],"none")) {
transparent = xpm[yy][0];
yy=255;
}
}
for (yy=0;yy<xpmh;yy++) {
to = whither + targetw*3*yy;
from = &xpm[1+ncolors+xpmy+yy][xpmx];
for (xx=0;xx<xpmw;xx++,from++,to+=3) {
if (*from != transparent) {
to[0]=r; to[1]=g; to[2]=b;
}
}
}
}
/* draws 3x8 (4x9 padding) digits for the memory/swap panel */
void draw_digit(unsigned char * from, unsigned char * whither) {
int yy;
/* assumes layout of from is 3x9x3bpp */
for (yy = 0; yy < 8; yy++) {
memcpy(whither, from, 12);
from += 12;
whither += 3*BOX_SIZE;
}
}
/* draws a string using previous function. non-digits and non-K/M = space */
void draw_string(char *string, int x, int y, int color) {
unsigned char c;
unsigned char * graph_numbers = graph_numbers_n_rgb;
if (color) graph_numbers = graph_numbers_b_rgb;
/* bluish rgb:48,140,240 pale rgb:158,196,237
reddish rgb:237,23,23 pale(cyan) rgb:0,255,233 */
while ((c = *string++)) {
if (c == 'K') c = 10;
else if (c == 'M') c = 11;
else if (c >= '0' && c <= '9') c -= '0';
if (c <= 11)
draw_digit(&graph_numbers[3*4*9*c],
&bm.mem_buf[3*(y*BOX_SIZE+x)]);
x += 4;
}
}
/* draw graph num x size, data taken from history (num long), into rgb
buffer buf (width BOX_SIZE, height size). */
void draw_history(int num, int size, unsigned int *history, unsigned char *buf) {
int pixels_per_byte;
int yy, xx;
int height;
unsigned char mr,mg,mb, br,bg,bb;
unsigned char * graphptr;
pixels_per_byte = 100;
for (xx = 0; xx < num; xx++) {
while (history[xx] > pixels_per_byte) /* autoscaling */
pixels_per_byte += 100;
}
mr = GET_RED(graph_max);
mg = GET_GRN(graph_max);
mb = GET_BLU(graph_max);
br = GET_RED(graph_bar);
bg = GET_GRN(graph_bar);
bb = GET_BLU(graph_bar);
for (xx = 0; xx < num; xx++) {
height = size - size * history[xx] / pixels_per_byte;
for (yy = height, graphptr = &buf[(height*BOX_SIZE+xx+2)*3];
yy < height+2 && yy < size;
yy++, graphptr += 3*BOX_SIZE) {
graphptr[0] = mr; graphptr[1] = mg; graphptr[2] = mb;
}
for (;yy < size; yy++, graphptr += 3*BOX_SIZE) {
graphptr[0] = br; graphptr[1] = bg; graphptr[2] = bb;
}
}
br = GET_RED(graph_hundreds);
bg = GET_GRN(graph_hundreds);
bb = GET_BLU(graph_hundreds);
for (yy = pixels_per_byte - 100; yy > 0; yy -= 100) { /* draw lines for each 100s */
height = size - size * yy / pixels_per_byte;
graphptr = &buf[(height*BOX_SIZE+2)*3];