/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Copyright (C) 2005 Kevin Ferrare * * Fire demo plugin * * All files in this archive are subject to the GNU General Public License. * See the file COPYING in the source tree root for full license agreement. * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * ****************************************************************************/ #include "plugin.h" #ifdef HAVE_LCD_BITMAP /* and also not for the Player */ #ifndef HAVE_LCD_COLOR #include "gray.h" #endif PLUGIN_HEADER /******************************* Globals ***********************************/ static struct plugin_api* rb; /* global api struct pointer */ static unsigned char fire[LCD_HEIGHT+3][LCD_WIDTH]; static unsigned char cooling_map[LCD_HEIGHT][LCD_WIDTH]; #ifndef HAVE_LCD_COLOR static unsigned char *gbuf; static size_t gbuf_size = 0; static unsigned char draw_buffer[8*LCD_WIDTH]; #endif /* Key assignement */ #if (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD) #define FIRE_QUIT BUTTON_OFF #define FIRE_SWITCH_FLAMES_TYPE BUTTON_MODE #define FIRE_SWITCH_FLAMES_MOVING BUTTON_REC #define FIRE_INCREASE_MULT BUTTON_UP #define FIRE_DECREASE_MULT BUTTON_DOWN #define FIRE_RC_QUIT BUTTON_RC_STOP #elif CONFIG_KEYPAD == RECORDER_PAD #define FIRE_QUIT BUTTON_OFF #define FIRE_SWITCH_FLAMES_TYPE BUTTON_ON #define FIRE_SWITCH_FLAMES_MOVING BUTTON_PLAY #define FIRE_INCREASE_MULT BUTTON_UP #define FIRE_DECREASE_MULT BUTTON_DOWN #elif CONFIG_KEYPAD == ARCHOS_AV300_PAD #define FIRE_QUIT BUTTON_OFF #define FIRE_SWITCH_FLAMES_TYPE BUTTON_ON #define FIRE_SWITCH_FLAMES_MOVING BUTTON_SELECT #define FIRE_INCREASE_MULT BUTTON_UP #define FIRE_DECREASE_MULT BUTTON_DOWN #elif CONFIG_KEYPAD == ONDIO_PAD #define FIRE_QUIT BUTTON_OFF #define FIRE_SWITCH_FLAMES_TYPE BUTTON_MENU #define FIRE_SWITCH_FLAMES_MOVING BUTTON_RIGHT #define FIRE_INCREASE_MULT BUTTON_UP #define FIRE_DECREASE_MULT BUTTON_DOWN #elif (CONFIG_KEYPAD == IPOD_3G_PAD) || (CONFIG_KEYPAD == IPOD_4G_PAD) #define FIRE_QUIT BUTTON_MENU #define FIRE_SWITCH_FLAMES_TYPE BUTTON_SELECT #define FIRE_SWITCH_FLAMES_MOVING BUTTON_RIGHT #define FIRE_INCREASE_MULT BUTTON_SCROLL_FWD #define FIRE_DECREASE_MULT BUTTON_SCROLL_BACK #elif (CONFIG_KEYPAD == IAUDIO_X5M5_PAD) #define FIRE_QUIT BUTTON_POWER #define FIRE_SWITCH_FLAMES_TYPE BUTTON_LEFT #define FIRE_SWITCH_FLAMES_MOVING BUTTON_RIGHT #define FIRE_INCREASE_MULT BUTTON_UP #define FIRE_DECREASE_MULT BUTTON_DOWN #elif (CONFIG_KEYPAD == GIGABEAT_PAD) #define FIRE_QUIT BUTTON_POWER #define FIRE_SWITCH_FLAMES_TYPE BUTTON_LEFT #define FIRE_SWITCH_FLAMES_MOVING BUTTON_RIGHT #define FIRE_INCREASE_MULT BUTTON_UP #define FIRE_DECREASE_MULT BUTTON_DOWN #elif (CONFIG_KEYPAD == SANSA_E200_PAD) #define FIRE_QUIT BUTTON_POWER #define FIRE_SWITCH_FLAMES_TYPE BUTTON_LEFT #define FIRE_SWITCH_FLAMES_MOVING BUTTON_RIGHT #define FIRE_INCREASE_MULT BUTTON_UP #define FIRE_DECREASE_MULT BUTTON_DOWN #elif (CONFIG_KEYPAD == IRIVER_H10_PAD) #define FIRE_QUIT BUTTON_POWER #define FIRE_SWITCH_FLAMES_TYPE BUTTON_LEFT #define FIRE_SWITCH_FLAMES_MOVING BUTTON_RIGHT #define FIRE_INCREASE_MULT BUTTON_SCROLL_UP #define FIRE_DECREASE_MULT BUTTON_SCROLL_DOWN #endif #define MIN_FLAME_VALUE 0 #define COOL_MAX (440/LCD_HEIGHT+2) /* fast unsigned multiplication (16x16bit->32bit or 32x32bit->32bit, * whichever is faster for the architecture) */ #ifdef CPU_ARM #define FMULU(a, b) ((uint32_t) (((uint32_t) (a)) * ((uint32_t) (b)))) #else /* SH1, coldfire */ #define FMULU(a, b) ((uint32_t) (((uint16_t) (a)) * ((uint16_t) (b)))) #endif #ifndef HAVE_LCD_COLOR static const unsigned char palette[256] = { 0, 1, 3, 4, 6, 7, 9, 10, 12, 13, 15, 16, 18, 19, 21, 22, 24, 25, 27, 28, 30, 31, 33, 34, 36, 37, 39, 40, 42, 43, 45, 46, 48, 49, 51, 52, 54, 55, 57, 59, 60, 61, 63, 64, 66, 67, 69, 70, 72, 73, 75, 76, 78, 79, 81, 82, 84, 85, 87, 88, 90, 91, 93, 94, 96, 97, 99, 100, 102, 103, 105, 106, 108, 109, 111, 112, 114, 115, 117, 118, 120, 121, 123, 124, 126, 127, 129, 130, 132, 133, 135, 136, 138, 139, 141, 142, 144, 145, 147, 148, 150, 151, 153, 154, 156, 157, 159, 160, 162, 163, 165, 166, 168, 169, 171, 172, 174, 175, 177, 178, 180, 181, 183, 184, 186, 187, 189, 190, 192, 193, 195, 196, 198, 199, 201, 202, 204, 205, 207, 208, 210, 211, 213, 214, 216, 217, 219, 220, 222, 223, 225, 226, 228, 229, 231, 232, 234, 235, 237, 238, /* 'regular' fire doesn't exceed this value */ 240, 240, 240, 240, 240, 240, 241, 241, 241, 241, 241, 241, 242, 242, 242, 242, 242, 242, 243, 243, 243, 243, 243, 243, 244, 244, 244, 244, 244, 244, 245, 245, 245, 245, 245, 245, 246, 246, 246, 246, 246, 246, 247, 247, 247, 247, 247, 247, 248, 248, 248, 248, 248, 248, 249, 249, 249, 249, 249, 249, 250, 250, 250, 250, 250, 250, 251, 251, 251, 251, 251, 251, 252, 252, 252, 252, 252, 252, 253, 253, 253, 253, 253, 253, 254, 254, 254, 254, 254, 254, 255, 255, 255, 255, 255, 255 }; #else #define L(r,g,b) LCD_RGBPACK(r,g,b) static const fb_data colorpalette[256] = { L( 0, 0, 0), L( 5, 0, 0), L( 10, 0, 0), L( 15, 0, 0), L( 20, 0, 0), L( 25, 0, 0), L( 30, 0, 0), L( 35, 0, 0), L( 40, 0, 0), L( 45, 0, 0), L( 50, 0, 0), L( 55, 0, 0), L( 60, 0, 0), L( 65, 0, 0), L( 70, 0, 0), L( 75, 0, 0), L( 80, 0, 0), L( 85, 0, 0), L( 90, 0, 0), L( 95, 0, 0), L(100, 0, 0), L(105, 0, 0), L(110, 0, 0), L(115, 0, 0), L(120, 0, 0), L(125, 0, 0), L(130, 0, 0), L(135, 0, 0), L(140, 0, 0), L(145, 0, 0), L(150, 0, 0), L(155, 0, 0), L(160, 0, 0), L(165, 0, 0), L(170, 0, 0), L(175, 0, 0), L(180, 0, 0), L(185, 0, 0), L(186, 2, 0), L(187, 5, 1), L(188, 6, 2), L(189, 8, 3), L(190, 10, 4), L(191, 12, 4), L(192, 14, 5), L(193, 15, 6), L(194, 17, 7), L(195, 19, 8), L(196, 21, 8), L(197, 22, 9), L(198, 24, 10), L(198, 26, 10), L(199, 28, 10), L(200, 29, 11), L(201, 32, 11), L(202, 34, 12), L(203, 36, 13), L(204, 39, 13), L(205, 40, 14), L(206, 42, 14), L(207, 43, 15), L(208, 46, 16), L(208, 48, 17), L(209, 50, 18), L(210, 51, 18), L(212, 53, 19), L(213, 55, 20), L(214, 57, 21), L(215, 59, 22), L(216, 61, 22), L(217, 63, 23), L(217, 65, 24), L(218, 67, 24), L(219, 69, 25), L(220, 70, 25), L(222, 72, 26), L(223, 74, 27), L(224, 76, 28), L(225, 78, 28), L(225, 80, 29), L(226, 82, 29), L(227, 84, 30), L(228, 86, 31), L(228, 88, 32), L(229, 90, 32), L(230, 92, 32), L(231, 94, 33), L(232, 96, 34), L(233, 98, 35), L(234, 99, 36), L(235,101, 37), L(236,103, 37), L(237,105, 38), L(238,107, 39), L(240,109, 39), L(240,111, 40), L(241,113, 40), L(242,114, 41), L(242,116, 42), L(243,119, 43), L(245,120, 43), L(246,122, 44), L(247,124, 44), L(248,126, 46), L(248,128, 47), L(249,130, 47), L(251,131, 47), L(252,133, 48), L(253,135, 49), L(253,138, 49), L(253,140, 50), L(254,143, 49), L(254,145, 48), L(253,148, 47), L(253,151, 46), L(253,154, 45), L(253,156, 44), L(253,158, 44), L(252,162, 42), L(252,165, 41), L(252,167, 41), L(252,170, 40), L(251,173, 40), L(252,175, 38), L(252,178, 37), L(251,181, 37), L(251,183, 36), L(251,186, 35), L(250,189, 34), L(250,192, 33), L(250,194, 33), L(249,198, 31), L(249,200, 31), L(249,203, 30), L(249,206, 29), L(249,209, 28), L(249,211, 27), L(249,214, 26), L(248,216, 25), L(248,219, 25), L(248,222, 24), L(248,224, 23), L(248,227, 22), L(248,230, 21), L(248,232, 21), L(247,236, 19), L(247,238, 23), L(247,239, 31), L(247,239, 45), L(247,240, 55), L(248,240, 68), L(247,241, 78), L(248,241, 90), L(247,242,102), L(248,242,114), L(247,243,125), L(248,243,138), L(248,243,153), L(248,244,162), L(248,245,174), /* 'regular' fire doesn't exceed this value */ L(247,245,182), L(247,245,182), L(247,245,183), L(247,245,183), L(247,245,184), L(247,245,184), L(247,245,185), L(247,245,185), L(247,245,186), L(247,245,186), L(247,245,187), L(247,245,187), L(247,245,188), L(247,245,188), L(247,245,189), L(247,245,189), L(248,245,190), L(248,245,190), L(248,245,191), L(248,245,191), L(248,245,192), L(248,245,192), L(248,245,193), L(248,245,193), L(248,245,194), L(248,245,194), L(248,245,195), L(248,245,195), L(248,245,196), L(248,245,196), L(248,245,197), L(248,245,197), L(248,245,198), L(248,245,198), L(248,245,199), L(248,245,199), L(248,245,200), L(248,245,200), L(248,245,201), L(248,245,201), L(248,245,202), L(248,245,202), L(248,245,203), L(248,245,203), L(248,245,204), L(248,245,204), L(248,245,205), L(248,245,205), L(248,246,206), L(248,246,206), L(248,246,207), L(248,246,207), L(248,246,208), L(248,246,208), L(248,246,209), L(248,246,209), L(248,246,210), L(248,246,210), L(248,246,211), L(248,246,211), L(248,246,212), L(248,246,212), L(248,246,213), L(248,246,213), L(248,246,214), L(248,246,214), L(248,246,215), L(248,246,215), L(248,246,216), L(248,246,216), L(248,246,217), L(248,246,217), L(248,246,218), L(248,246,218), L(248,246,219), L(248,246,219), L(248,246,220), L(248,246,220), L(248,246,221), L(248,246,221), L(248,246,222), L(248,246,222), L(248,246,223), L(248,246,223), L(248,246,224), L(248,246,224), L(248,246,225), L(248,246,225), L(248,246,226), L(248,246,226), L(248,246,227), L(248,246,227), L(248,246,228), L(248,246,228), L(248,246,229), L(248,246,229) }; #endif static inline void tab_init_rand(unsigned char *tab, unsigned int tab_size, int rand_max) { unsigned char *end = tab + tab_size; while(tab < end) *tab++ = (unsigned char)rb->rand() % rand_max; } static inline void fire_generate(int mult, int flames_type, bool moving) { unsigned int pixel_value = 0; /* stop the compiler complaining */ unsigned int cooling_value; unsigned char *ptr, *end, *cool; /* Randomize the bottom line */ if(moving) {/* moving must be true the first time the function is called */ ptr = &fire[LCD_HEIGHT][0]; end = ptr + LCD_WIDTH; do { *ptr++ = (MIN_FLAME_VALUE + rb->rand() % (256-MIN_FLAME_VALUE)); } while (ptr < end); } rb->yield(); /* Convolve the pixels and handle cooling (to add nice shapes effects later) */ cool = &cooling_map[0][0]; ptr = &fire[0][0]; end = ptr + LCD_HEIGHT*LCD_WIDTH; switch (flames_type) { case 0: do { pixel_value = ptr[LCD_WIDTH-1] /* fire[y+1][x-1] */ + ptr[2*LCD_WIDTH] /* fire[y+2][x] */ + ptr[LCD_WIDTH+1] /* fire[y+1][x+1] */ + ptr[3*LCD_WIDTH]; /* fire[y+3][x] */ pixel_value = FMULU(pixel_value, mult) >> 10; cooling_value = *cool++; if (cooling_value <= pixel_value) pixel_value -= cooling_value; /* else it's too cold, don't frost the pixels !!! */ if (pixel_value > 255) pixel_value = 255; *ptr++ = pixel_value; } while (ptr < end); break; case 1: mult -= 2; do { pixel_value = ptr[LCD_WIDTH-1] /* fire[y+1][x-1] */ + ptr[LCD_WIDTH] /* fire[y+1][x] */ + ptr[LCD_WIDTH+1] /* fire[y+1][x+1] */ + ptr[2*LCD_WIDTH]; /* fire[y+2][x] */ pixel_value = FMULU(pixel_value, mult) >> 10; cooling_value = *cool++; if (cooling_value <= pixel_value) pixel_value -= cooling_value; /* else it's too cold, don't frost the pixels !!! */ if (pixel_value > 255) pixel_value = 255; *ptr++ = pixel_value; } while (ptr < end); break; default: /* We should never reach this */ break; } rb->yield(); } static inline void fire_draw(void) { #ifndef HAVE_LCD_COLOR int block; unsigned char *dest, *end; unsigned char *src = &fire[0][0]; for (block = 0; block < LCD_HEIGHT; block += 8) { dest = draw_buffer; end = dest + 8*LCD_WIDTH; do *dest++ = palette[*src++]; while(dest < end); gray_ub_gray_bitmap(draw_buffer, 0, block, LCD_WIDTH, 8); } #else fb_data* dest = rb->lcd_framebuffer; fb_data* end = rb->lcd_framebuffer+(LCD_WIDTH*LCD_HEIGHT); unsigned char* src = &fire[0][0]; do *dest++ = colorpalette[*src++]; while (dest < end); rb->lcd_update(); #endif } void cleanup(void *parameter) { (void)parameter; #ifdef HAVE_ADJUSTABLE_CPU_FREQ rb->cpu_boost(false); #endif #ifndef HAVE_LCD_COLOR gray_release(); #endif rb->backlight_set_timeout(rb->global_settings->backlight_timeout); } /* * Main function that also contain the main plasma * algorithm. */ int main(void) { int button; int mult = 261; int flames_type=0; bool moving=true; #ifndef HAVE_LCD_COLOR int shades; /* get the remainder of the plugin buffer */ gbuf = (unsigned char *) rb->plugin_get_buffer(&gbuf_size); shades = gray_init(rb, gbuf, gbuf_size, false, LCD_WIDTH, LCD_HEIGHT, 32, 1<<8, NULL) + 1; if(shades <= 1) { rb->splash(HZ, "not enough memory"); return PLUGIN_ERROR; } /* switch on grayscale overlay */ gray_show(true); #endif #ifdef HAVE_ADJUSTABLE_CPU_FREQ rb->cpu_boost(true); #endif rb->memset(&fire[0][0], 0, sizeof(fire)); tab_init_rand(&cooling_map[0][0], LCD_HEIGHT*LCD_WIDTH, COOL_MAX); while (true) { fire_generate(mult, flames_type, moving); fire_draw(); rb->yield(); button = rb->button_get(false); switch(button) { #ifdef FIRE_RC_QUIT case FIRE_RC_QUIT : #endif case (FIRE_QUIT): cleanup(NULL); return PLUGIN_OK; break; case (FIRE_INCREASE_MULT): ++mult; break; case (FIRE_DECREASE_MULT): if (mult > 0) --mult; break; case (FIRE_SWITCH_FLAMES_TYPE): flames_type = (flames_type + 1) % 2; break; case (FIRE_SWITCH_FLAMES_MOVING): moving = !moving; break; default: if (rb->default_event_handler_ex(button, cleanup, NULL) == SYS_USB_CONNECTED) return PLUGIN_USB_CONNECTED; break; } } } /*************************** Plugin entry point ****************************/ enum plugin_status plugin_start(struct plugin_api* api, void* parameter) { int ret; rb = api; // copy to global api pointer (void)parameter; #if LCD_DEPTH > 1 rb->lcd_set_backdrop(NULL); #endif if (rb->global_settings->backlight_timeout > 0) rb->backlight_set_timeout(1);/* keep the light on */ ret = main(); return ret; } #endif /* #ifdef HAVE_LCD_BITMAP */