Fire plugin : initializes palettes with a function instead of storing them in static arrays, changed the color LCD's palette to make it look nicer, switched the button API to the action API, reorganized code a little bit

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16138 a1c6a512-1295-4272-9138-f99709370657

2 files changed, 159 insertions, 233 deletions

diff --git a/apps/plugins/fire.c b/apps/plugins/fire.c
index ed3509c..9cee953 100644
--- a/apps/plugins/fire.c
+++ b/apps/plugins/fire.c
@@ -21,8 +21,11 @@
 
 #include "plugin.h"
 #include "helper.h"
+#ifdef HAVE_LCD_BITMAP
+
+#include "pluginlib_actions.h"
+#include "fixedpoint.h"
 
-#ifdef HAVE_LCD_BITMAP /* and also not for the Player */
 #ifndef HAVE_LCD_COLOR
 #include "grey.h"
 #endif
@@ -38,190 +41,85 @@
 
 PLUGIN_HEADER
 
-/******************************* Globals ***********************************/
-
 static struct plugin_api* rb; /* global api struct pointer */
 
-static unsigned char fire[LCD_HEIGHT+3][FIRE_WIDTH];
-static unsigned char cooling_map[LCD_HEIGHT][FIRE_WIDTH];
-
 #ifndef HAVE_LCD_COLOR
 GREY_INFO_STRUCT
-static unsigned char *gbuf;
-static size_t gbuf_size = 0;
 static unsigned char draw_buffer[FIRE_WIDTH];
+
 #endif
 
 /* Key assignement */
+const struct button_mapping* plugin_contexts[]= {
+    generic_directions,
+#if defined(HAVE_REMOTE_LCD)
+    remote_directions,
+#endif
+    generic_actions
+};
 
-#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_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD) || \
+#define FIRE_QUIT PLA_QUIT
+#define FIRE_SWITCH_FLAMES_TYPE PLA_FIRE
+#define FIRE_SWITCH_FLAMES_MOVING PLA_START
+#if (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD) || \
       (CONFIG_KEYPAD == IPOD_1G2G_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) || \
-(CONFIG_KEYPAD == SANSA_C200_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
-
-#elif (CONFIG_KEYPAD == IRIVER_IFP7XX_PAD)
-#define FIRE_QUIT BUTTON_PLAY
-#define FIRE_SWITCH_FLAMES_TYPE BUTTON_MODE
-#define FIRE_SWITCH_FLAMES_MOVING BUTTON_EQ
-#define FIRE_INCREASE_MULT BUTTON_UP
-#define FIRE_DECREASE_MULT BUTTON_DOWN
-
+#define FIRE_INCREASE_MULT PLA_RIGHT
+#define FIRE_DECREASE_MULT PLA_LEFT
+#else
+#define FIRE_INCREASE_MULT PLA_UP
+#define FIRE_DECREASE_MULT PLA_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,
+static unsigned char palette[256];
+
+void color_palette_init(unsigned char* palette)
+{
+    int i;
+    for(i=0;i<=160;i++)//palette[i]=(3/2)*i
+        palette[i]=(i*3)/2;
+
     /* '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
-};
+    for(;i<=255;i++)//palette[i]=(3/20)*i+216
+        palette[i]=(i*3+20*217)/20;
+}
 #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)
-};
+
+static fb_data palette[256];
+
+/*
+ * Color palette generation algorithm taken from
+ * the "The Demo Effects Collection" GPL project
+ * Copyright (C) 2002 W.P. van Paassen
+ */
+void color_palette_init(fb_data* palette)
+{
+    int i;
+    for (i = 0; i < 32; i++){
+        /* black to blue, 32 values*/
+        palette[i]=LCD_RGBPACK(0, 0, 2*i);
+
+        /* blue to red, 32 values*/
+        palette[i +  32]=LCD_RGBPACK(8*i, 0, 64 - 2*i);
+
+        /* red to yellow, 32 values*/
+        palette[i +  64]=LCD_RGBPACK(255, 8*i, 0);
+
+        /* yellow to white, 162 values */
+        palette[i +  96]=LCD_RGBPACK(255, 255,   0 + 4*i);
+        palette[i + 128]=LCD_RGBPACK(255, 255,  64 + 4*i);
+        palette[i + 160]=LCD_RGBPACK(255, 255, 128 + 4*i);
+        palette[i + 192]=LCD_RGBPACK(255, 255, 192 + i);
+        palette[i + 224]=LCD_RGBPACK(255, 255, 224 + i);
+    }
+}
+
 #endif
 
-static inline void tab_init_rand(unsigned char *tab, unsigned int tab_size,
+static void tab_init_rand(unsigned char *tab, unsigned int tab_size,
                                  int rand_max)
 {
     unsigned char *end = tab + tab_size;
@@ -230,36 +128,30 @@ static inline void tab_init_rand(unsigned char *tab, unsigned int tab_size,
         *tab++ = (unsigned char)rb->rand() % rand_max;
 }
 
-static inline void fire_generate(int mult, int flames_type, bool moving)
+struct fire{
+    unsigned char fire[LCD_HEIGHT+3][FIRE_WIDTH];
+    unsigned char cooling_map[LCD_HEIGHT][FIRE_WIDTH];
+    int flames_type;
+    bool moving;
+    unsigned int mult;
+};
+
+static inline void fire_convolve(struct fire* fire)
 {
-    unsigned int pixel_value = 0; /* stop the compiler complaining */
+    unsigned int pixel_value;
     unsigned int cooling_value;
     unsigned char *ptr, *end, *cool;
+    unsigned int mult=fire->mult;
 
-    /* Randomize the bottom line */
-    if(moving)
-    {/* moving must be true the first time the function is called */
-        ptr = &fire[LCD_HEIGHT][0];
-        end = ptr + FIRE_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];
+    cool = &fire->cooling_map[0][0];
+    ptr = &fire->fire[0][0];
     end = ptr + LCD_HEIGHT*FIRE_WIDTH;
 
-    switch (flames_type)
-    {
+    switch (fire->flames_type){
       case 0:
-        do
-        {
+        do{
             pixel_value = ptr[FIRE_WIDTH-1]  /* fire[y+1][x-1] */
                         + ptr[2*FIRE_WIDTH]  /* fire[y+2][x] */
                         + ptr[FIRE_WIDTH+1]  /* fire[y+1][x+1] */
@@ -275,14 +167,12 @@ static inline void fire_generate(int mult, int flames_type, bool moving)
                 pixel_value = 255;
 
             *ptr++ = pixel_value;
-        }
-        while (ptr < end);
+        }while (ptr < end);
         break;
 
       case 1:
         mult -= 2; 
-        do
-        {
+        do{
             pixel_value = ptr[FIRE_WIDTH-1]  /* fire[y+1][x-1] */
                         + ptr[FIRE_WIDTH]    /* fire[y+1][x] */
                         + ptr[FIRE_WIDTH+1]  /* fire[y+1][x+1] */
@@ -298,8 +188,7 @@ static inline void fire_generate(int mult, int flames_type, bool moving)
                 pixel_value = 255;
 
             *ptr++ = pixel_value;
-        }
-        while (ptr < end);
+        }while (ptr < end);
         break;
 
       default: /* We should never reach this */
@@ -308,13 +197,42 @@ static inline void fire_generate(int mult, int flames_type, bool moving)
     rb->yield();
 }
 
-static inline void fire_draw(void)
+static void fire_generate_bottom_seed(struct fire* fire)
+{
+    unsigned char *ptr, *end;
+    ptr = &fire->fire[LCD_HEIGHT][0];
+    end = ptr + FIRE_WIDTH;
+    do{
+        *ptr++ = (MIN_FLAME_VALUE + rb->rand() % (256-MIN_FLAME_VALUE));
+    }while (ptr < end);
+}
+
+static inline void fire_step(struct fire* fire)
+{
+    if(fire->moving){
+        /* Randomize the bottom line */
+        fire_generate_bottom_seed(fire);
+        /* Add here further effects like fire letters, ball ... */
+    }
+    fire_convolve(fire);
+}
+
+static void fire_init(struct fire* fire)
+{
+    fire->mult = 261;
+    fire->flames_type=0;
+    fire->moving=true;
+    rb->memset(&fire->fire[0][0], 0, sizeof(fire->fire));
+    tab_init_rand(&fire->cooling_map[0][0], LCD_HEIGHT*FIRE_WIDTH, COOL_MAX);
+    fire_generate_bottom_seed(fire);
+}
+
+static inline void fire_draw(struct fire* fire)
 {
     int y;
-    unsigned char *src = &fire[0][0];
+    unsigned char *src = &fire->fire[0][0];
 #ifndef HAVE_LCD_COLOR
     unsigned char *dest, *end;
-
     for (y = 0; y < LCD_HEIGHT; y++)
     {
         dest = draw_buffer;
@@ -327,6 +245,7 @@ static inline void fire_draw(void)
         grey_ub_gray_bitmap(draw_buffer, 0, y, FIRE_WIDTH, 1);
     }
 #else
+
     fb_data *dest, *end;
 
     for (y = 0; y < LCD_HEIGHT; y++)
@@ -335,7 +254,7 @@ static inline void fire_draw(void)
         end = dest + FIRE_WIDTH;
 
         do
-            *dest++ = colorpalette[*src++];
+            *dest++ = palette[*src++];
         while (dest < end);
     }
     rb->lcd_update();
@@ -345,7 +264,6 @@ static inline void fire_draw(void)
 void cleanup(void *parameter)
 {
     (void)parameter;
-
 #ifdef HAVE_ADJUSTABLE_CPU_FREQ
     rb->cpu_boost(false);
 #endif
@@ -356,19 +274,13 @@ void cleanup(void *parameter)
     backlight_use_settings(rb); /* backlight control in lib/helper.c */
 }
 
-/*
- * Main function that also contain the main plasma
- * algorithm.
- */
 
-int main(void)
+#ifndef HAVE_LCD_COLOR
+int init_gray()
 {
-    int button;
-    int mult = 261;
-    int flames_type=0;
-    bool moving=true;
+    unsigned char *gbuf;
+    size_t gbuf_size = 0;
 
-#ifndef HAVE_LCD_COLOR
     /* get the remainder of the plugin buffer */
     gbuf = (unsigned char *) rb->plugin_get_buffer(&gbuf_size);
 
@@ -380,53 +292,59 @@ int main(void)
     /* switch on greyscale overlay */
     grey_set_position(FIRE_XPOS, 0);
     grey_show(true);
+    return PLUGIN_OK;
+}
 #endif
 
+int main(void)
+{
+    struct fire fire;
+    int action;
+
+#ifndef HAVE_LCD_COLOR
+    if(init_gray()!=PLUGIN_OK)
+        return(PLUGIN_ERROR);
+#endif
+    color_palette_init(palette);
+
 #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*FIRE_WIDTH, COOL_MAX);
-    while (true)
-    {
-        fire_generate(mult, flames_type, moving);
-        fire_draw();
+
+    fire_init(&fire);
+    while (true){
+        fire_step(&fire);
+        fire_draw(&fire);
         rb->yield();
 
-        button = rb->button_get(false);
+        action = pluginlib_getaction(rb, 0, plugin_contexts, 1);
 
-        switch(button)
-        {
-#ifdef FIRE_RC_QUIT
-            case FIRE_RC_QUIT :
-#endif
-            case (FIRE_QUIT):
+        switch(action){
+            case FIRE_QUIT:
                 cleanup(NULL);
                 return PLUGIN_OK;
-                break;
 
-            case (FIRE_INCREASE_MULT):
-                ++mult;
+            case FIRE_INCREASE_MULT:
+                ++fire.mult;
                 break;
 
-            case (FIRE_DECREASE_MULT):
-                if (mult > 0)
-                    --mult;
+            case FIRE_DECREASE_MULT:
+                if (fire.mult > 0)
+                    --fire.mult;
                 break;
 
-            case (FIRE_SWITCH_FLAMES_TYPE):
-                flames_type = (flames_type + 1) % 2;
+            case FIRE_SWITCH_FLAMES_TYPE:
+                fire.flames_type = (fire.flames_type + 1) % 2;
                 break;
 
-            case (FIRE_SWITCH_FLAMES_MOVING):
-                moving = !moving;
+            case FIRE_SWITCH_FLAMES_MOVING:
+                fire.moving = !fire.moving;
                 break;
 
             default:
-                if (rb->default_event_handler_ex(button, cleanup, NULL)
+                if (rb->default_event_handler_ex(action, cleanup, NULL)
                     == SYS_USB_CONNECTED)
                     return PLUGIN_USB_CONNECTED;
-                break;
         }
     }
 }
@@ -437,7 +355,7 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
 {
     int ret;
 
-    rb = api; // copy to global api pointer
+    rb = api; //copy to global api pointer
     (void)parameter;
 #if LCD_DEPTH > 1
     rb->lcd_set_backdrop(NULL);
diff --git a/apps/plugins/lib/fixedpoint.h b/apps/plugins/lib/fixedpoint.h
index 7199157..a9650e7 100644
--- a/apps/plugins/lib/fixedpoint.h
+++ b/apps/plugins/lib/fixedpoint.h
@@ -24,3 +24,11 @@ long fsqrt(long a, unsigned int fracbits);
 long cos_int(int val);
 long sin_int(int val);
 long flog(int x);
+
+/* 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