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/* :: asciijump (client), gnu gpl v 2
:: copyright (c) grzegorz moskal, g.moskal@opengruop.org */
#define MATRIX_C
#include "matrix.h"
#define START (53)
static struct column *first, *last;
static int mx_width;
static int mx_height;
static int mx_x;
static int mx_y;
static int mx_color_normal;
static int mx_color_shine;
int mx_mode = SNOW;
static void col_flush(struct column *c)
{
int i = 0;
for (; i < mx_height; i++)
c->caption[i] = ' ';
c->caption[i] = '\0';
c->last_y = 0;
c->height = 0;
c->shine = (d(5) == 5);
c->stop = 1;
c->draw = 1;
c->cut = 0;
c->async = 0;
c->async_pattern = d(2)+1;
}
void mx_init(int x, int y, int w, int h)
{
struct column *c;
int i = 0;
mx_x = x;
mx_y = y;
mx_width = w;
mx_height = h;
mx_color_normal = (mx_mode < MATRIX_FULL) ? Black : Grey;
mx_color_shine = (mx_mode < MATRIX_FULL) ? Grey : White;
for (; i < w; i++) {
c = xmalloc(sizeof(struct column));
c->height = h;
c->caption = xmalloc(sizeof(char)*(c->height+1));
c->next = 0;
col_flush(c);
if (first) {
last->next = c;
last = last->next;
} else
first = last = c;
}
for (i = 40; i; i--)
mx_service();
}
void mx_free()
{
struct column *tmp, *c = first;
while (c) {
tmp = c;
SWITCH(c);
xfree(tmp->caption);
xfree(tmp);
}
first = last = NULL;
}
static void col_check_grow(struct column *c)
{
int p = -1;
int i = mx_height/2;
for (; i < mx_height; i+=4)
if (c->height == i)
p = 3*i;
if (d(100) <= p)
c->cut = 1;
}
static void col_service(struct column *c)
{
if (c->stop) {
c->stop = d(START)-1;
return;
}
if (c->async > 0)
c->async--;
else {
c->async = d(c->async_pattern);
if (c->draw) {
col_check_grow(c);
c->caption[c->last_y] = d(93) + 33;
c->last_y++;
c->height++;
}
if (c->cut)
c->caption[c->last_y - c->height--] = ' ';
}
if (c->last_y >= mx_height-1) {
c->draw = 0;
c->cut = 1;
}
if (c->height == 0 && c->cut == 1)
col_flush(c);
}
void mx_service(void)
{
struct column *c = first;
for (c = first; c; c = c->next)
col_service(c);
for (c = first; c; c = c->next)
col_service(c);
}
static void col_draw(struct column *c, int x)
{
char *tab = ".";
int len = strlen(tab);
int h = 0;
sl_color(mx_color_normal);
for (; h < mx_height; h++) {
sl_goto(x, h+mx_y);
// if it is not the last
if (h+1 != c->last_y) {
sl_putch(c->caption[h]);
continue;
}
// elsewere
sl_color(mx_color_shine);
if (mx_mode != SNOW)
sl_putch(c->caption[h]);
else
sl_putch(tab[d(len)-1]);
sl_color(mx_color_normal);
}
}
void mx_draw(void)
{
struct column *c = first;
int x = mx_x;
for (; c; c = c->next)
col_draw(c, x++);
}
void mx_move(int n)
{
struct column *tmp;
while (n--) {
tmp = first;
first = first->next;
last->next = tmp;
last = last->next;
last->next = 0;
}
}
void mx_change_mode(int c_normal, int c_shine, int mode)
{
mx_mode = mode;
mx_color_normal = c_normal;
mx_color_shine = c_shine;
}
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