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Add matrix animation.

This commit is contained in:
Carter Hay 2021-10-30 22:07:53 -05:00
parent 4094d2182a
commit ee732e4b00
1 changed files with 102 additions and 0 deletions
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102
src/draw.c
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@ -495,12 +495,39 @@ static void doom_init(struct term_buf* buf)
memset(buf->tmp_buf + tmp_len, DOOM_STEPS - 1, buf->width);
}
static void matrix_init(struct term_buf* buf)
{
buf->init_width = buf->width;
buf->init_height = buf->height;
uint16_t len = buf->width * buf->height;
buf->tmp_buf = malloc(len);
if (buf->tmp_buf == NULL)
{
dgn_throw(DGN_ALLOC);
}
memset(buf->tmp_buf, 0, len);
}
void animate_init(struct term_buf* buf)
{
if (config.animate)
{
switch(config.animation)
{
case 0:
{
doom_init(buf);
break;
}
case 1:
{
matrix_init(buf);
break;
}
default:
{
doom_init(buf);
@ -573,6 +600,71 @@ static void doom(struct term_buf* term_buf)
}
}
static void matrix(struct term_buf* term_buf)
{
if ((term_buf->width != term_buf->init_width) ||
(term_buf->height != term_buf->init_height))
{
return;
}
uint16_t characters[37] =
{
0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037,
0x0038, 0x0039, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046,
0x0047, 0x0048, 0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e,
0x004f, 0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056,
0x0057, 0x0058, 0x0059, 0x005a, 0x005a
};
enum cells {NONE, LEADER, FOLLOWER};
bool can_update = 0;
uint16_t src;
uint32_t random;
uint16_t width = term_buf->width;
uint16_t height = term_buf->height;
uint8_t* tmp = term_buf->tmp_buf;
struct tb_cell* buf = tb_cell_buffer();
if (tmp[0]++ == 10)
{
can_update = 1;
memmove(tmp+(2*width), tmp+width, width * (height-2));
tmp[0] = 0;
}
for (uint16_t x = 0; x < width; ++x)
{
for (uint16_t y = 1; y < height; ++y)
{
random = rand();
src = (y * width) + x;
if (y == 1 && can_update)
{
if (tmp[src+width] != NONE)
tmp[src] = FOLLOWER;
if ((random % 10 == 1) && (tmp[src+width] == NONE))
tmp[src] = LEADER;
if ((random % 8 == 1) && (tmp[src+width] == FOLLOWER))
tmp[src] = NONE;
}
uint8_t color = tmp[src] == LEADER ? TB_WHITE : TB_GREEN;
if (tmp[src] != NONE)
{
buf[src] = (struct tb_cell){characters[random%37], color, 0};
}
}
}
can_update = 0;
}
void animate(struct term_buf* buf)
{
buf->width = tb_width();
@ -582,6 +674,16 @@ void animate(struct term_buf* buf)
{
switch(config.animation)
{
case 0:
{
doom(buf);
break;
}
case 1:
{
matrix(buf);
break;
}
default:
{
doom(buf);