void rotate_form(Form * form, float angle) {
/** Rotate an form from angles degrees around his @center.
********************************************************/
check_form(form);
uint32_t c;
for (c = 0; c < form->count; c++) {
Pixel px, cur;
cur.x = form->coords.x[c];
cur.y = form->coords.y[c];
px = rotate(form->center, angle, cur);
form->coords.x[c] = px.x;
form->coords.y[c] = px.y;
}
form->orientation = ((form->orientation + angle) >= 360.0f) ? form->orientation - 360.0f + angle : form->orientation + angle;
return;
}
void translate_form(Form * form, float x, float y) {
/** Translate a Form from (x, y) pixels .
***************************************/
check_form(form);
uint32_t c;
for (c = 0; c < form->count; c++) {
Pixel px, cur;
cur.x = form->coords.x[c];
cur.y = form->coords.y[c];
px = translate(cur, x, y);
form->coords.x[c] = px.x;
form->coords.y[c] = px.y;
}
form->center.x = form->center.x + x;
form->center.y = form->center.y + y;
return;
}
void scale_form(Form * form, float factor) {
/** Scale an Form from factor factor.
* if factor > 1.0 the size of the form increase.
* if factor < 1.0 the size from the form decrease.
**************************************************/
check_form(form);
uint32_t c;
for (c = 0; c < form->count; c++) {
Pixel px, cur;
cur.x = form->coords.x[c];
cur.y = form->coords.y[c];
px = scale(form->center, factor, cur);
form->coords.x[c] = px.x;
form->coords.y[c] = px.y;
}
form->length *= factor;
form->real_length *= factor; // ???
return;
}
int get_tetrimino_info(int fd, char *file, t_tetrimino **tetr)
{
int width;
int height;
int color;
char **form;
form = NULL;
if (tetri_in_list(tetr) == -1)
return (-1);
if ((width = get_width(fd)) == -1 ||
(height = get_height(fd)) == -1 ||
(color = get_color(fd)) == -1 ||
check_form(fd, width, height, &form) == -1)
(*tetr)->error = 1;
else
{
(*tetr)->width = width;
(*tetr)->height = height;
(*tetr)->form = form;
(*tetr)->color = color;
(*tetr)->error = 0;
}
(*tetr)->name = get_name(file);
return (0);
}
void mirror_form(Form * form, Pixel center, char axes) {
/** Mirror an Form through the axes axes ['X'|'Y'].
*
* Your form must be absolute entire on a side of the defined center.
*
* No points must be over the center.x value if argument axes is 'X'.
*
* No points must be over the center.y value if argument axes is 'Y'.
*
* Else the result will be undefined.
********************************************************************/
check_form(form);
switch (axes) {
case 'X':
break;
case 'Y':
break;
default:
fprintf(stderr, "Wrong axe argument: 'X' or 'Y'\n");
exit(EXIT_FAILURE);
}
uint32_t c;
for (c = 0; c < form->count; c++) {
Pixel px, cur;
cur.x = form->coords.x[c];
cur.y = form->coords.y[c];
px = mirror(cur, center, axes);
form->coords.x[c] = px.x;
form->coords.y[c] = px.y;
}
Pixel px = mirror(form->center, center, axes);
form->center.x = px.x;
form->center.y = px.y;
return;
}
int check_form(char *tetri, int x, int y, int skip)
{
if (get_pos(tetri, x, y) != '.')
{
if (skip == 0)
return (1 + check_form(tetri, x + 1, y, 1)
+ check_form(tetri, x - 1, y, -1)
+ check_form(tetri, x, y + 1, 0));
else if (skip == 1)
return (1 + check_form(tetri, x + 1, y, 1)
+ check_form(tetri, x, y + 1, 0));
else if (skip == -1)
return (1 + check_form(tetri, x - 1, y, -1)
+ check_form(tetri, x, y + 1, 0));
}
return (0);
}
int check(char *tetri)
{
int x;
int y;
if (nbhash(tetri) != 4)
error("Error\n");
x = 0;
y = 0;
while (get_pos(tetri, x, y) == '.')
{
x++;
if (x == 4)
{
x = 0;
y++;
}
}
if (check_form(tetri, x, y, 1) < 4)
error("Error\n");
return (0);
}
