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Add possibility to use colors in starfield plugin using Play/Select. Based on idea by Nathan Hand in FS #2834.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13747 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Antoine Cellerier 2007-06-30 22:12:22 +00:00
parent fd6a9278e8
commit 86437ae334
1 changed files with 40 additions and 10 deletions
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50
apps/plugins/starfield.c
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@ -33,30 +33,35 @@ static struct plugin_api* rb; /* global api struct pointer */
#define STARFIELD_DECREASE_ZMOVE BUTTON_SCROLL_BACK
#define STARFIELD_INCREASE_NB_STARS BUTTON_RIGHT
#define STARFIELD_DECREASE_NB_STARS BUTTON_LEFT
#define STARFIELD_TOGGLE_COLOR BUTTON_PLAY
#elif (CONFIG_KEYPAD == IAUDIO_X5M5_PAD)
#define STARFIELD_QUIT BUTTON_POWER
#define STARFIELD_INCREASE_ZMOVE BUTTON_UP
#define STARFIELD_DECREASE_ZMOVE BUTTON_DOWN
#define STARFIELD_INCREASE_NB_STARS BUTTON_RIGHT
#define STARFIELD_DECREASE_NB_STARS BUTTON_LEFT
#define STARFIELD_TOGGLE_COLOR BUTTON_PLAY
#elif (CONFIG_KEYPAD == IRIVER_H10_PAD)
#define STARFIELD_QUIT BUTTON_POWER
#define STARFIELD_INCREASE_ZMOVE BUTTON_SCROLL_UP
#define STARFIELD_DECREASE_ZMOVE BUTTON_SCROLL_DOWN
#define STARFIELD_INCREASE_NB_STARS BUTTON_RIGHT
#define STARFIELD_DECREASE_NB_STARS BUTTON_LEFT
#define STARFIELD_TOGGLE_COLOR BUTTON_PLAY
#elif (CONFIG_KEYPAD == GIGABEAT_PAD)
#define STARFIELD_QUIT BUTTON_POWER
#define STARFIELD_INCREASE_ZMOVE BUTTON_UP
#define STARFIELD_DECREASE_ZMOVE BUTTON_DOWN
#define STARFIELD_INCREASE_NB_STARS BUTTON_RIGHT
#define STARFIELD_DECREASE_NB_STARS BUTTON_LEFT
#define STARFIELD_TOGGLE_COLOR BUTTON_SELECT
#elif (CONFIG_KEYPAD == SANSA_E200_PAD)
#define STARFIELD_QUIT BUTTON_POWER
#define STARFIELD_INCREASE_ZMOVE BUTTON_UP
#define STARFIELD_DECREASE_ZMOVE BUTTON_DOWN
#define STARFIELD_INCREASE_NB_STARS BUTTON_RIGHT
#define STARFIELD_DECREASE_NB_STARS BUTTON_LEFT
#define STARFIELD_TOGGLE_COLOR BUTTON_SELECT
#else
#define STARFIELD_QUIT BUTTON_OFF
@ -64,6 +69,7 @@ static struct plugin_api* rb; /* global api struct pointer */
#define STARFIELD_DECREASE_ZMOVE BUTTON_DOWN
#define STARFIELD_INCREASE_NB_STARS BUTTON_RIGHT
#define STARFIELD_DECREASE_NB_STARS BUTTON_LEFT
#define STARFIELD_TOGGLE_COLOR BUTTON_SELECT
#if (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD)
#define STARFIELD_RC_QUIT BUTTON_RC_STOP
#endif
@ -109,28 +115,40 @@ struct star
{
int x,y,z;
int velocity;
#if LCD_DEPTH > 1
int color;
#endif
};
static inline void star_init(struct star * star, int z_move)
static inline void star_init(struct star * star, int z_move, bool color)
{
star->velocity=rb->rand() % STAR_MAX_VELOCITY+1;
/* choose x between -MAX_INIT_STAR_X and MAX_INIT_STAR_X */
star->x=rb->rand() % (2*MAX_INIT_STAR_X)-MAX_INIT_STAR_X;
star->y=rb->rand() % (2*MAX_INIT_STAR_Y)-MAX_INIT_STAR_Y;
#if LCD_DEPTH > 1
if(color)
star->color=LCD_RGBPACK(rb->rand()%128+128,rb->rand()%128+128,
rb->rand()%128+128);
else
star->color=LCD_WHITE;
#else
(void)color;
#endif
if(z_move>=0)
star->z=Z_MAX_DIST;
else
star->z=rb->rand() %Z_MAX_DIST/2+1;
}
static inline void star_move(struct star * star, int z_move)
static inline void star_move(struct star * star, int z_move, bool color)
{
star->z -= z_move*star->velocity;
if (star->z <= 0 || star->z > Z_MAX_DIST)
star_init(star, z_move);
star_init(star, z_move, color);
}
static inline void star_draw(struct star * star, int z_move)
static inline void star_draw(struct star * star, int z_move, bool color)
{
int x_draw, y_draw;
/*
@ -140,16 +158,20 @@ static inline void star_draw(struct star * star, int z_move)
x_draw = star->x / star->z + LCD_CENTER_X;
if (x_draw < 1 || x_draw >= LCD_WIDTH)
{
star_init(star, z_move);
star_init(star, z_move, color);
return;
}
y_draw = star->y / star->z + LCD_CENTER_Y;
if (y_draw < 1 || y_draw >= LCD_HEIGHT)
{
star_init(star, z_move);
star_init(star, z_move, color);
return;
}
#if LCD_DEPTH > 1
rb->lcd_set_foreground(star->color);
#endif
rb->lcd_drawpixel(x_draw, y_draw);
if(star->z<5*Z_MAX_DIST/6)
{
@ -171,12 +193,14 @@ struct starfield
struct star tab[MAX_STARS];
int nb_stars;
int z_move;
bool color;
};
static inline void starfield_init(struct starfield * starfield)
{
starfield->nb_stars=0;
starfield->z_move=INIT_SPACE_SPEED;
starfield->color=false;
}
static inline void starfield_add_stars(struct starfield * starfield,
@ -191,7 +215,7 @@ static inline void starfield_add_stars(struct starfield * starfield,
for( i=old_nb_stars ; i < starfield->nb_stars ; ++i )
{
star_init( &(starfield->tab[i]), starfield->z_move );
star_init( &(starfield->tab[i]), starfield->z_move, starfield->color );
}
}
@ -208,8 +232,8 @@ static inline void starfield_move_and_draw(struct starfield * starfield)
int i;
for(i=0;i<starfield->nb_stars;++i)
{
star_move(&(starfield->tab[i]), starfield->z_move);
star_draw(&(starfield->tab[i]), starfield->z_move);
star_move(&(starfield->tab[i]), starfield->z_move, starfield->color);
star_draw(&(starfield->tab[i]), starfield->z_move, starfield->color);
}
}
@ -274,7 +298,7 @@ int plugin_main(void)
} /* if pulse */
#else
(void) avg_peak;
(void) avg_peak;
#endif
starfield_move_and_draw(&starfield);
@ -290,6 +314,9 @@ int plugin_main(void)
"star:%d speed:%d",
starfield.nb_stars,
starfield.z_move);
#if LCD_DEPTH > 1
rb->lcd_set_foreground(LCD_WHITE);
#endif
rb->lcd_putsxy(0, LCD_HEIGHT-font_h, str_buffer);
}
rb->lcd_update();
@ -319,6 +346,9 @@ int plugin_main(void)
starfield_del_stars(&starfield, STARFIELD_INCREASE_STEP);
t_disp=MSG_DISP_TIME;
break;
case(STARFIELD_TOGGLE_COLOR):
starfield.color=!starfield.color;
break;
#ifdef STARFIELD_RC_QUIT
case STARFIELD_RC_QUIT:
#endif