apps/plugins/snow.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 Itai Shaked
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  **************************************************************************/
  21 #include "plugin.h"
  22 #include "lib/playergfx.h"
  23
  24 PLUGIN_HEADER
  25
  26 #ifdef HAVE_LCD_BITMAP
  27 #define NUM_PARTICLES (LCD_WIDTH * LCD_HEIGHT / 72)
  28 #define SNOW_HEIGHT LCD_HEIGHT
  29 #define SNOW_WIDTH LCD_WIDTH
  30 #define MYLCD(fn) rb->lcd_ ## fn
  31 #else
  32 #define NUM_PARTICLES 10
  33 #define SNOW_HEIGHT 14
  34 #define SNOW_WIDTH 20
  35 #define MYLCD(fn) pgfx_ ## fn
  36 #endif
  37
  38 /* variable button definitions */
  39 #if CONFIG_KEYPAD == PLAYER_PAD
  40 #define SNOW_QUIT BUTTON_STOP
  41
  42 #elif (CONFIG_KEYPAD == IPOD_4G_PAD) || \
  43       (CONFIG_KEYPAD == IPOD_3G_PAD) || \
  44       (CONFIG_KEYPAD == IPOD_1G2G_PAD)
  45 #define SNOW_QUIT BUTTON_MENU
  46
  47 #elif (CONFIG_KEYPAD == IRIVER_IFP7XX_PAD) || \
  48       (CONFIG_KEYPAD == SAMSUNG_YH_PAD)
  49 #define SNOW_QUIT BUTTON_PLAY
  50
  51 #elif (CONFIG_KEYPAD == SANSA_E200_PAD) || \
  52 (CONFIG_KEYPAD == SANSA_C200_PAD) ||  \
  53 (CONFIG_KEYPAD == SANSA_CLIP_PAD) || \
  54 (CONFIG_KEYPAD == SANSA_M200_PAD) || \
  55 (CONFIG_KEYPAD == MROBE500_PAD) || \
  56 (CONFIG_KEYPAD == IRIVER_H10_PAD) || \
  57 (CONFIG_KEYPAD == MROBE100_PAD) || \
  58 (CONFIG_KEYPAD == COWOND2_PAD) || \
  59 (CONFIG_KEYPAD == IAUDIO67_PAD) || \
  60 (CONFIG_KEYPAD == PHILIPS_HDD1630_PAD) || \
  61 (CONFIG_KEYPAD == ONDAVX747_PAD) || \
  62 (CONFIG_KEYPAD == ONDAVX777_PAD) || \
  63 (CONFIG_KEYPAD == GIGABEAT_PAD) || \
  64 (CONFIG_KEYPAD == IAUDIO_X5M5_PAD)
  65 #define SNOW_QUIT BUTTON_POWER
  66
  67 #elif (CONFIG_KEYPAD == SANSA_FUZE_PAD)
  68 #define SNOW_QUIT (BUTTON_HOME|BUTTON_REPEAT)
  69
  70 #elif (CONFIG_KEYPAD == GIGABEAT_S_PAD) || \
  71 (CONFIG_KEYPAD == CREATIVEZVM_PAD)
  72 #define SNOW_QUIT BUTTON_BACK
  73
  74 #elif CONFIG_KEYPAD == IAUDIO_M3_PAD
  75 #define SNOW_QUIT BUTTON_REC
  76 #define SNOW_RC_QUIT BUTTON_RC_REC
  77
  78 #else
  79 #define SNOW_QUIT BUTTON_OFF
  80 #if (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD)
  81 #define SNOW_RC_QUIT BUTTON_RC_STOP
  82 #endif
  83 #endif
  84
  85 static short particles[NUM_PARTICLES][2];
  86
  87 #ifdef HAVE_LCD_BITMAP
  88 #if LCD_WIDTH >= 160
  89 #define FLAKE_WIDTH 5
  90 static const unsigned char flake[] = {0x0a,0x04,0x1f,0x04,0x0a};
  91 #else
  92 #define FLAKE_WIDTH 3
  93 static const unsigned char flake[] = {0x02,0x07,0x02};
  94 #endif
  95 #endif
  96
  97 static bool particle_exists(int particle)
  98 {
  99     if (particles[particle][0]>=0 && particles[particle][1]>=0 &&
 100         particles[particle][0]<SNOW_WIDTH && particles[particle][1]<SNOW_HEIGHT)
 101         return true;
 102     else
 103         return false;
 104 }
 105
 106 static int create_particle(void)
 107 {
 108     int i;
 109
 110     for (i=0; i<NUM_PARTICLES; i++) {
 111         if (!particle_exists(i)) {
 112             particles[i][0]=(rb->rand()%SNOW_WIDTH);
 113             particles[i][1]=0;
 114             return i;
 115         }
 116     }
 117     return -1;
 118 }
 119
 120 static void snow_move(void)
 121 {
 122     int i;
 123
 124     if (!(rb->rand()%2))
 125         create_particle();
 126
 127     for (i=0; i<NUM_PARTICLES; i++) {
 128         if (particle_exists(i)) {
 129             MYLCD(set_drawmode)(DRMODE_SOLID|DRMODE_INVERSEVID);
 130 #ifdef HAVE_LCD_BITMAP
 131             rb->lcd_fillrect(particles[i][0],particles[i][1],
 132                              FLAKE_WIDTH,FLAKE_WIDTH);
 133 #else
 134             pgfx_drawpixel(particles[i][0],particles[i][1]);
 135 #endif
 136             MYLCD(set_drawmode)(DRMODE_SOLID);
 137 #ifdef HAVE_REMOTE_LCD
 138             if (particles[i][0] <= LCD_REMOTE_WIDTH
 139                     && particles[i][1] <= LCD_REMOTE_HEIGHT) {
 140                 rb->lcd_remote_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
 141                 rb->lcd_remote_fillrect(particles[i][0],particles[i][1],
 142                                         FLAKE_WIDTH,FLAKE_WIDTH);
 143                 rb->lcd_remote_set_drawmode(DRMODE_SOLID);
 144             }
 145 #endif
 146             switch ((rb->rand()%7)) {
 147                 case 0:
 148                     particles[i][0]++;
 149                     break;
 150
 151                 case 1:
 152                     particles[i][0]--;
 153                     break;
 154
 155                 case 2:
 156                     break;
 157
 158                 default:
 159                     particles[i][1]++;
 160                     break;
 161             }
 162             if (particle_exists(i))
 163 #ifdef HAVE_LCD_BITMAP
 164                 rb->lcd_mono_bitmap(flake,particles[i][0],particles[i][1],
 165                                     FLAKE_WIDTH,FLAKE_WIDTH);
 166 #else
 167                 pgfx_drawpixel(particles[i][0],particles[i][1]);
 168 #endif
 169 #ifdef HAVE_REMOTE_LCD
 170             if (particles[i][0] <= LCD_REMOTE_WIDTH
 171                     && particles[i][1] <= LCD_REMOTE_HEIGHT) {
 172                 rb->lcd_remote_mono_bitmap(flake,particles[i][0],particles[i][1],
 173                                            FLAKE_WIDTH,FLAKE_WIDTH);
 174             }
 175 #endif
 176         }
 177     }
 178 }
 179
 180
 181 static void snow_init(void)
 182 {
 183     int i;
 184
 185     for (i=0; i<NUM_PARTICLES; i++) {
 186         particles[i][0]=-1;
 187         particles[i][1]=-1;
 188     }
 189 #ifdef HAVE_LCD_CHARCELLS
 190     pgfx_display(0, 0); /* display three times */
 191     pgfx_display(4, 0);
 192     pgfx_display(8, 0);
 193 #endif
 194     MYLCD(clear_display)();
 195 #ifdef HAVE_REMOTE_LCD
 196     rb->lcd_remote_clear_display();
 197 #endif
 198 }
 199
 200 enum plugin_status plugin_start(const void* parameter)
 201 {
 202     int button;
 203     (void)(parameter);
 204
 205 #ifdef HAVE_LCD_CHARCELLS
 206     if (!pgfx_init(4, 2))
 207     {
 208         rb->splash(HZ*2, "Old LCD :(");
 209         return PLUGIN_OK;
 210     }
 211 #endif
 212 #ifdef HAVE_LCD_COLOR
 213     rb->lcd_clear_display();
 214     rb->lcd_set_foreground(LCD_WHITE);
 215     rb->lcd_set_background(LCD_DEFAULT_BG);
 216 #endif
 217     snow_init();
 218     while (1) {
 219         snow_move();
 220         MYLCD(update)();
 221 #ifdef HAVE_REMOTE_LCD
 222         rb->lcd_remote_update();
 223 #endif
 224         rb->sleep(HZ/20);
 225
 226         button = rb->button_get(false);
 227
 228         if (button == SNOW_QUIT
 229 #ifdef SNOW_RC_QUIT
 230         || button == SNOW_RC_QUIT
 231 #endif
 232         )
 233         {
 234 #ifdef HAVE_LCD_CHARCELLS
 235             pgfx_release();
 236 #endif
 237             return PLUGIN_OK;
 238         }
 239         else
 240             if (rb->default_event_handler(button) == SYS_USB_CONNECTED)
 241             {
 242 #ifdef HAVE_LCD_CHARCELLS
 243                 pgfx_release();
 244 #endif
 245                 return PLUGIN_USB_CONNECTED;
 246             }
 247     }
 248 }
 249