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 #define SNOW_QUIT BUTTON_PLAY
  49
  50 #elif (CONFIG_KEYPAD == SANSA_E200_PAD) || \
  51 (CONFIG_KEYPAD == SANSA_C200_PAD) ||  \
  52 (CONFIG_KEYPAD == SANSA_CLIP_PAD) || \
  53 (CONFIG_KEYPAD == SANSA_M200_PAD) || \
  54 (CONFIG_KEYPAD == MROBE500_PAD) || \
  55 (CONFIG_KEYPAD == IRIVER_H10_PAD) || \
  56 (CONFIG_KEYPAD == MROBE100_PAD) || \
  57 (CONFIG_KEYPAD == COWOND2_PAD) || \
  58 (CONFIG_KEYPAD == IAUDIO67_PAD) || \
  59 (CONFIG_KEYPAD == PHILIPS_HDD1630_PAD) || \
  60 (CONFIG_KEYPAD == ONDAVX747_PAD) || \
  61 (CONFIG_KEYPAD == GIGABEAT_PAD) || \
  62 (CONFIG_KEYPAD == IAUDIO_X5M5_PAD)
  63 #define SNOW_QUIT BUTTON_POWER
  64
  65 #elif (CONFIG_KEYPAD == SANSA_FUZE_PAD)
  66 #define SNOW_QUIT (BUTTON_HOME|BUTTON_REPEAT)
  67
  68 #elif (CONFIG_KEYPAD == GIGABEAT_S_PAD) || \
  69 (CONFIG_KEYPAD == CREATIVEZVM_PAD)
  70 #define SNOW_QUIT BUTTON_BACK
  71
  72 #elif CONFIG_KEYPAD == IAUDIO_M3_PAD
  73 #define SNOW_QUIT BUTTON_REC
  74 #define SNOW_RC_QUIT BUTTON_RC_REC
  75
  76 #else
  77 #define SNOW_QUIT BUTTON_OFF
  78 #if (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD)
  79 #define SNOW_RC_QUIT BUTTON_RC_STOP
  80 #endif
  81 #endif
  82
  83 static short particles[NUM_PARTICLES][2];
  84
  85 #ifdef HAVE_LCD_BITMAP
  86 #if LCD_WIDTH >= 160
  87 #define FLAKE_WIDTH 5
  88 static const unsigned char flake[] = {0x0a,0x04,0x1f,0x04,0x0a};
  89 #else
  90 #define FLAKE_WIDTH 3
  91 static const unsigned char flake[] = {0x02,0x07,0x02};
  92 #endif
  93 #endif
  94
  95 static bool particle_exists(int particle)
  96 {
  97     if (particles[particle][0]>=0 && particles[particle][1]>=0 &&
  98         particles[particle][0]<SNOW_WIDTH && particles[particle][1]<SNOW_HEIGHT)
  99         return true;
 100     else
 101         return false;
 102 }
 103
 104 static int create_particle(void)
 105 {
 106     int i;
 107
 108     for (i=0; i<NUM_PARTICLES; i++) {
 109         if (!particle_exists(i)) {
 110             particles[i][0]=(rb->rand()%SNOW_WIDTH);
 111             particles[i][1]=0;
 112             return i;
 113         }
 114     }
 115     return -1;
 116 }
 117
 118 static void snow_move(void)
 119 {
 120     int i;
 121
 122     if (!(rb->rand()%2))
 123         create_particle();
 124
 125     for (i=0; i<NUM_PARTICLES; i++) {
 126         if (particle_exists(i)) {
 127             MYLCD(set_drawmode)(DRMODE_SOLID|DRMODE_INVERSEVID);
 128 #ifdef HAVE_LCD_BITMAP
 129             rb->lcd_fillrect(particles[i][0],particles[i][1],
 130                              FLAKE_WIDTH,FLAKE_WIDTH);
 131 #else
 132             pgfx_drawpixel(particles[i][0],particles[i][1]);
 133 #endif
 134             MYLCD(set_drawmode)(DRMODE_SOLID);
 135 #ifdef HAVE_REMOTE_LCD
 136             if (particles[i][0] <= LCD_REMOTE_WIDTH
 137                     && particles[i][1] <= LCD_REMOTE_HEIGHT) {
 138                 rb->lcd_remote_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
 139                 rb->lcd_remote_fillrect(particles[i][0],particles[i][1],
 140                                         FLAKE_WIDTH,FLAKE_WIDTH);
 141                 rb->lcd_remote_set_drawmode(DRMODE_SOLID);
 142             }
 143 #endif
 144             switch ((rb->rand()%7)) {
 145                 case 0:
 146                     particles[i][0]++;
 147                     break;
 148
 149                 case 1:
 150                     particles[i][0]--;
 151                     break;
 152
 153                 case 2:
 154                     break;
 155
 156                 default:
 157                     particles[i][1]++;
 158                     break;
 159             }
 160             if (particle_exists(i))
 161 #ifdef HAVE_LCD_BITMAP
 162                 rb->lcd_mono_bitmap(flake,particles[i][0],particles[i][1],
 163                                     FLAKE_WIDTH,FLAKE_WIDTH);
 164 #else
 165                 pgfx_drawpixel(particles[i][0],particles[i][1]);
 166 #endif
 167 #ifdef HAVE_REMOTE_LCD
 168             if (particles[i][0] <= LCD_REMOTE_WIDTH
 169                     && particles[i][1] <= LCD_REMOTE_HEIGHT) {
 170                 rb->lcd_remote_mono_bitmap(flake,particles[i][0],particles[i][1],
 171                                            FLAKE_WIDTH,FLAKE_WIDTH);
 172             }
 173 #endif
 174         }
 175     }
 176 }
 177
 178
 179 static void snow_init(void)
 180 {
 181     int i;
 182
 183     for (i=0; i<NUM_PARTICLES; i++) {
 184         particles[i][0]=-1;
 185         particles[i][1]=-1;
 186     }
 187 #ifdef HAVE_LCD_CHARCELLS
 188     pgfx_display(0, 0); /* display three times */
 189     pgfx_display(4, 0);
 190     pgfx_display(8, 0);
 191 #endif
 192     MYLCD(clear_display)();
 193 #ifdef HAVE_REMOTE_LCD
 194     rb->lcd_remote_clear_display();
 195 #endif
 196 }
 197
 198 enum plugin_status plugin_start(const void* parameter)
 199 {
 200     int button;
 201     (void)(parameter);
 202
 203 #ifdef HAVE_LCD_CHARCELLS
 204     if (!pgfx_init(4, 2))
 205     {
 206         rb->splash(HZ*2, "Old LCD :(");
 207         return PLUGIN_OK;
 208     }
 209 #endif
 210 #ifdef HAVE_LCD_COLOR
 211     rb->lcd_clear_display();
 212     rb->lcd_set_foreground(LCD_WHITE);
 213     rb->lcd_set_background(LCD_DEFAULT_BG);
 214 #endif
 215     snow_init();
 216     while (1) {
 217         snow_move();
 218         MYLCD(update)();
 219 #ifdef HAVE_REMOTE_LCD
 220         rb->lcd_remote_update();
 221 #endif
 222         rb->sleep(HZ/20);
 223
 224         button = rb->button_get(false);
 225
 226         if (button == SNOW_QUIT
 227 #ifdef SNOW_RC_QUIT
 228         || button == SNOW_RC_QUIT
 229 #endif
 230         )
 231         {
 232 #ifdef HAVE_LCD_CHARCELLS
 233             pgfx_release();
 234 #endif
 235             return PLUGIN_OK;
 236         }
 237         else
 238             if (rb->default_event_handler(button) == SYS_USB_CONNECTED)
 239             {
 240 #ifdef HAVE_LCD_CHARCELLS
 241                 pgfx_release();
 242 #endif
 243                 return PLUGIN_USB_CONNECTED;
 244             }
 245     }
 246 }
 247