From bd3c18e271a45b6811229b7260d243bc5e280c1c Mon Sep 17 00:00:00 2001 From: Jens Arnold Date: Fri, 8 Sep 2006 01:26:09 +0000 Subject: Fire: * Improved greyscale palette. * Fixed colour mode (palette was inverted, an d the multiplication factor was chosen in a way that the 'flames' heated up infinitely (avalanche effect). * Better adjustment to the various LCD sizes. * Tweaks and cleanup. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10902 a1c6a512-1295-4272-9138-f99709370657 --- apps/plugins/fire.c | 200 +++++++++++++++++++++++++--------------------------- 1 file changed, 97 insertions(+), 103 deletions(-) diff --git a/apps/plugins/fire.c b/apps/plugins/fire.c index 82770f3132..d161f577f5 100644 --- a/apps/plugins/fire.c +++ b/apps/plugins/fire.c @@ -31,12 +31,13 @@ PLUGIN_HEADER /******************************* Globals ***********************************/ static struct plugin_api* rb; /* global api struct pointer */ -static unsigned char *gbuf; -static unsigned int gbuf_size = 0; 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 unsigned int gbuf_size = 0; static unsigned char draw_buffer[8*LCD_WIDTH]; #endif @@ -96,94 +97,93 @@ static unsigned char draw_buffer[8*LCD_WIDTH]; #endif #define MIN_FLAME_VALUE 0 -#if LCD_HEIGHT > 64 -#define COOL_MAX 5 -#else -#define COOL_MAX 8 +#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 -/* unsigned 16 bit multiplication (a single instruction on the SH) */ -#define MULU16(a, b) ((unsigned long) \ - (((unsigned short) (a)) * ((unsigned short) (b)))) - #ifndef HAVE_LCD_COLOR -static const unsigned char palette[255]= -{/* logarithmic histogram equalisation */ - - 0, 15, 31, 50, 63, 74, 82, 89, 95, 101, 105, 110, 114, 118, 121, - 124, 127, 130, 133, 135, 137, 140, 142, 144, 146, 148, 149, 151, 153, 154, - 156, 158, 159, 160, 162, 163, 164, 166, 167, 168, 169, 170, 172, 173, 174, - 175, 176, 177, 178, 179, 180, 180, 181, 182, 183, 184, 185, 186, 186, 187, - 188, 189, 189, 190, 191, 192, 192, 193, 194, 194, 195, 196, 196, 197, 198, - 198, 199, 199, 200, 201, 201, 202, 202, 203, 203, 204, 204, 205, 206, 206, - 207, 207, 208, 208, 209, 209, 210, 210, 210, 211, 211, 212, 212, 213, 213, - 214, 214, 215, 215, 215, 216, 216, 217, 217, 217, 218, 218, 219, 219, 219, - 220, 220, 221, 221, 221, 222, 222, 222, 223, 223, 223, 224, 224, 225, 225, - 225, 226, 226, 226, 227, 227, 227, 228, 228, 228, 229, 229, 229, 229, 230, - 230, 230, 231, 231, 231, 232, 232, 232, 232, 233, 233, 233, 234, 234, 234, - 234, 235, 235, 235, 236, 236, 236, 236, 237, 237, 237, 237, 238, 238, 238, - 238, 239, 239, 239, 239, 240, 240, 240, 240, 241, 241, 241, 241, 242, 242, - 242, 242, 243, 243, 243, 243, 244, 244, 244, 244, 244, 245, 245, 245, 245, - 246, 246, 246, 246, 246, 247, 247, 247, 247, 247, 248, 248, 248, 248, 249, - 249, 249, 249, 249, 250, 250, 250, 250, 250, 251, 251, 251, 251, 251, 252, - 252, 252, 252, 252, 252, 253, 253, 253, 253, 253, 254, 254, 254, 254, 254 +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(248,246,211), L(248,246,203), L(248,245,196), L(248,245,189), L(247,245,182), -L(248,245,174), L(248,244,167), L(248,244,160), L(248,243,153), L(247,243,145), -L(248,243,138), L(247,243,131), L(247,243,125), L(248,242,117), L(248,242,110), -L(247,242,102), L(248,241, 94), L(247,240, 85), L(247,241, 78), L(248,240, 70), -L(247,239, 63), L(247,240, 55), L(247,239, 47), L(247,239, 39), L(247,238, 31), -L(247,238, 23), L(247,236, 19), L(248,232, 21), L(248,228, 22), L(248,224, 23), -L(248,219, 25), L(249,215, 26), L(249,211, 27), L(249,206, 29), L(249,203, 30), -L(249,199, 31), L(250,194, 33), L(250,190, 34), L(251,186, 35), L(251,181, 37), -L(252,177, 38), L(251,172, 40), L(252,168, 41), L(252,163, 42), L(253,158, 44), -L(253,154, 45), L(253,149, 46), L(254,145, 48), L(253,141, 50), L(253,137, 49), -L(253,135, 49), L(252,133, 48), L(251,130, 47), L(249,129, 47), L(248,128, 46), -L(247,125, 46), L(247,124, 44), L(246,122, 44), L(244,119, 43), L(243,118, 43), -L(242,115, 42), L(242,113, 41), L(241,112, 40), L(240,109, 39), L(238,107, 39), -L(237,105, 38), L(236,103, 37), L(235,101, 37), L(234, 99, 36), L(233, 97, 35), -L(232, 95, 34), L(231, 93, 33), L(230, 91, 32), L(229, 89, 32), L(228, 86, 31), -L(227, 85, 30), L(226, 82, 29), L(225, 80, 29), L(224, 78, 28), L(223, 76, 28), -L(222, 74, 26), L(221, 72, 26), L(220, 69, 25), L(218, 67, 24), L(217, 64, 23), -L(215, 60, 22), L(213, 57, 21), L(212, 54, 19), L(210, 50, 18), L(208, 47, 17), -L(207, 44, 16), L(205, 41, 14), L(203, 37, 13), L(202, 34, 12), L(201, 30, 11), -L(199, 27, 10), L(197, 24, 9), L(196, 21, 8), L(194, 18, 7), L(192, 14, 5), -L(191, 11, 4), L(189, 8, 3), L(187, 5, 1), L(186, 2, 0), L(184, 0, 0), -L(181, 0, 0), L(178, 0, 0), L(175, 0, 0), L(172, 0, 0), L(170, 0, 0), -L(167, 0, 0), L(165, 0, 0), L(162, 0, 0), L(159, 0, 0), L(156, 0, 0), -L(153, 0, 0), L(152, 0, 0), L(149, 0, 0), L(146, 0, 0), L(143, 0, 0), -L(141, 0, 0), L(138, 0, 0), L(135, 0, 0), L(132, 0, 0), L(129, 0, 0), -L(127, 0, 0), L(126, 0, 0), L(123, 0, 0), L(120, 0, 0), L(117, 0, 0), -L(115, 0, 0), L(112, 0, 0), L(109, 0, 0), L(106, 0, 0), L(104, 0, 0), -L(101, 0, 0), L( 98, 0, 0), L( 95, 0, 0), L( 93, 0, 0), L( 92, 0, 0), -L( 91, 0, 0), L( 91, 0, 0), L( 90, 0, 0), L( 89, 0, 0), L( 88, 0, 0), -L( 88, 0, 0), L( 87, 0, 0), L( 86, 0, 0), L( 85, 0, 0), L( 84, 0, 0), -L( 84, 0, 0), L( 82, 0, 0), L( 82, 0, 0), L( 81, 0, 0), L( 80, 0, 0), -L( 80, 0, 0), L( 79, 0, 0), L( 78, 0, 0), L( 77, 0, 0), L( 76, 0, 0), -L( 76, 0, 0), L( 75, 0, 0), L( 74, 0, 0), L( 73, 0, 0), L( 72, 0, 0), -L( 72, 0, 0), L( 71, 0, 0), L( 70, 0, 0), L( 69, 0, 0), L( 68, 0, 0), -L( 68, 0, 0), L( 67, 0, 0), L( 66, 0, 0), L( 65, 0, 0), L( 65, 0, 0), -L( 63, 0, 0), L( 62, 0, 0), L( 62, 0, 0), L( 61, 0, 0), L( 60, 0, 0), -L( 59, 0, 0), L( 58, 0, 0), L( 58, 0, 0), L( 58, 0, 0), L( 57, 0, 0), -L( 56, 0, 0), L( 54, 0, 0), L( 54, 0, 0), L( 53, 0, 0), L( 52, 0, 0), -L( 52, 0, 0), L( 51, 0, 0), L( 50, 0, 0), L( 49, 0, 0), L( 48, 0, 0), -L( 47, 0, 0), L( 47, 0, 0), L( 46, 0, 0), L( 45, 0, 0), L( 44, 0, 0), -L( 44, 0, 0), L( 43, 0, 0), L( 42, 0, 0), L( 42, 0, 0), L( 40, 0, 0), -L( 40, 0, 0), L( 39, 0, 0), L( 38, 0, 0), L( 38, 0, 0), L( 37, 0, 0), -L( 36, 0, 0), L( 35, 0, 0), L( 34, 0, 0), L( 33, 0, 0), L( 32, 0, 0), -L( 32, 0, 0), L( 31, 0, 0), L( 30, 0, 0), L( 30, 0, 0), L( 28, 0, 0), -L( 28, 0, 0), L( 27, 0, 0), L( 26, 0, 0), L( 25, 0, 0), L( 25, 0, 0), -L( 23, 0, 0), L( 23, 0, 0), L( 22, 0, 0), L( 21, 0, 0), L( 21, 0, 0), -L( 20, 0, 0), L( 19, 0, 0), L( 18, 0, 0), L( 18, 0, 0), L( 16, 0, 0), -L( 16, 0, 0), L( 15, 0, 0), L( 14, 0, 0), L( 14, 0, 0), L( 13, 0, 0), -L( 12, 0, 0), L( 11, 0, 0), L( 10, 0, 0), L( 9, 0, 0), L( 9, 0, 0), -L( 8, 0, 0), L( 7, 0, 0), L( 6, 0, 0), L( 5, 0, 0), L( 5, 0, 0), -L( 4, 0, 0), L( 3, 0, 0), L( 3, 0, 0), L( 2, 0, 0), L( 1, 0, 0), -L( 0, 0, 0) + 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 @@ -230,7 +230,7 @@ static inline void fire_generate(int mult, int flames_type, bool moving) + 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 = MULU16(pixel_value, mult) >> 10; + pixel_value = FMULU(pixel_value, mult) >> 10; cooling_value = *cool++; if (cooling_value <= pixel_value) @@ -246,13 +246,14 @@ static inline void fire_generate(int mult, int flames_type, bool moving) 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 = MULU16(pixel_value, mult) >> 10; + pixel_value = FMULU(pixel_value, mult) >> 10; cooling_value = *cool++; if (cooling_value <= pixel_value) @@ -296,10 +297,10 @@ static inline void fire_draw(void) fb_data* end = rb->lcd_framebuffer+(LCD_WIDTH*LCD_HEIGHT); unsigned char* src = &fire[0][0]; - while (dest < end) - { - *(dest++) = colorpalette[*(src++)]; - } + do + *dest++ = colorpalette[*src++]; + while (dest < end); + rb->lcd_update(); #endif } @@ -324,35 +325,28 @@ void cleanup(void *parameter) int main(void) { - int shades, button; -#ifdef HAVE_LCD_COLOR - int mult = 267; -#else + int button; int mult = 261; -#endif 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); - -#ifdef HAVE_LCD_COLOR - shades = 256; -#else shades = gray_init(rb, gbuf, gbuf_size, false, LCD_WIDTH, LCD_HEIGHT, - 32, 2<<8, NULL) + 1; + 32, 1<<8, NULL) + 1; if(shades <= 1) { rb->splash(HZ, true, "not enough memory"); return PLUGIN_ERROR; } + /* switch on grayscale overlay */ + gray_show(true); #endif #ifdef HAVE_ADJUSTABLE_CPU_FREQ rb->cpu_boost(true); -#endif -#ifndef HAVE_LCD_COLOR - /* switch on grayscale overlay */ - gray_show(true); #endif rb->memset(&fire[0][0], 0, sizeof(fire)); tab_init_rand(&cooling_map[0][0], LCD_HEIGHT*LCD_WIDTH, COOL_MAX); @@ -369,7 +363,7 @@ int main(void) #ifdef FIRE_RC_QUIT case FIRE_RC_QUIT : #endif - case(FIRE_QUIT): + case (FIRE_QUIT): cleanup(NULL); return PLUGIN_OK; break; -- cgit v1.2.3