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Starfield as bg animation

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This commit is contained in:
whowechina 2024-06-08 21:37:27 +08:00
parent 6119b58fb4
commit 1435e7e84f
4 changed files with 2364 additions and 22 deletions
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2296
firmware/src/bg_anima.h Normal file
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File diff suppressed because it is too large Load Diff

84
firmware/src/gui.c
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@ -25,6 +25,7 @@
#include "upheaval.h"
#include "ltsaeada.h"
#include "light.h"
#include "bg_anima.h"
#include "gui.h"
void gui_init()
@ -168,31 +169,70 @@ static void gui_credits()
st7789_text(120, 30, credits, &lv_lts14, st7789_rgb565(0xc0c060), ALIGN_CENTER);
}
uint16_t gif_colors[] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f
};
static inline void gif_draw_pixel(uint16_t x, uint16_t y, uint16_t color)
{
x *= 2;
y *= 2;
st7789_pixel_raw(x, y, color);
st7789_pixel_raw(x + 1, y, color);
st7789_pixel_raw(x, y + 1, color);
st7789_pixel_raw(x + 1, y + 1, color);
}
static const uint8_t *compressed_data;
static int zero_count = 0;
static inline void decode_start(const uint8_t *data)
{
compressed_data = data;
zero_count = 0;
}
static inline uint8_t decode_byte()
{
if (zero_count) {
zero_count--;
return 0;
}
uint8_t value = *compressed_data;
compressed_data++;
if (value == 0) {
zero_count = *compressed_data - 1;
compressed_data++;
return 0;
}
return value;
}
static void draw_gif_frame(const gif_frames_t *gif, uint8_t frame)
{
uint16_t width = gif->width;
uint16_t height = gif->height;
frame = frame % gif->frames;
decode_start(gif->data + gif->index[frame]);
for (int j = 0; j < height; j++) {
for (int i = 0; i < width / 2; i++) {
uint8_t value = decode_byte();
gif_draw_pixel(i * 2, j, gif_colors[value >> 4]);
gif_draw_pixel(i * 2 + 1, j, gif_colors[value & 0x0f]);
}
}
}
static void run_background()
{
st7789_scroll(0, 0);
static uint16_t phase = 0;
static int phase = 0;
phase++;
if (1) {
for (int i = 0; i < 240; i++) {
uint16_t color = st7789_rgb565(rgb32_from_hsv(phase + i, 255, 64));
st7789_vline(i, 0, 280, color, 0xff);
}
}
if (0) {
uint16_t patt[14];
for (int i = 0; i < 14; i++) {
patt[i] = ((i + phase) % 7) ? 0x4040 : 0x0000;
}
st7789_fill(patt, 14, false);
}
if (0) {
st7789_clear(0x0002, true);
}
draw_gif_frame(&stars_gif, phase);
}

5
firmware/src/st7789.c
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@ -308,6 +308,11 @@ void static inline mix_pixel(int x, int y, uint16_t color, uint8_t mix, uint8_t
vram[y * crop.w + x] = (r << 11) | (g << 5) | b;
}
void st7789_pixel_raw(int x, int y, uint16_t color)
{
vram[y * crop.w + x] = color;
}
void st7789_pixel(int x, int y, uint16_t color, uint8_t mix)
{
mix_pixel(x, y, color, mix, 8);

1
firmware/src/st7789.h
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@ -34,6 +34,7 @@ void st7789_clear(uint16_t color, bool raw);
void st7789_fill(uint16_t *pattern, size_t size, bool raw);
uint16_t *st7789_vram(uint16_t x, uint16_t y);
void st7789_vramcpy(uint32_t offset, const void *src, size_t count);
void st7789_pixel_raw(int x, int y, uint16_t color);
void st7789_pixel(int x, int y, uint16_t color, uint8_t mix);
void st7789_hline(int x, int y, uint16_t w, uint16_t color, uint8_t mix);
void st7789_vline(int x, int y, uint16_t h, uint16_t color, uint8_t mix);