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#define FLD_ATTR_INVISIBLE (1 << 0)
#define FLD_ATTR_HIDE_EMPTY_CELLS (1 << 1)
#define SHP_ATTR_GHOST (1 << 0)
struct cell {
char a; // active/empty state of cell
unsigned int color;
};
/*
* field + shape coord system
* y
* ^. . . . . . .
* |. . . . . . .
* |. . . . . . .
* |. . y . . . .
* |. . ^ . . . .
* |. . | . . . .
* |. . | . . . .
* |. . 0------>x
* |. . . . . . .
* |. . . . . . .
* 0------------->x
*
*/
struct shape {
struct vector2i; // position
int t; // shape type
unsigned int attr;
char c[4][4];
};
struct field {
unsigned long id;
unsigned int attr;
struct vector2i pos;
struct vector2ui size;
struct vector2ui bound;
struct cell **c; // array of logic shape cells
unsigned int shape_cnt;
struct shape *shape;
};
void field_init(struct field *fld);
void field_deinit(struct field *fld);
void field_fill_random(struct field *fld);
void field_clear(struct field *fld);
void field_rotate_shape_clockwise(struct field *fld, unsigned int index);
int field_move_shape_down(struct field *fld, unsigned int index);
int field_move_shape_left(struct field *fld, unsigned int index);
int field_move_shape_right(struct field *fld, unsigned int index);
void field_put_shape(struct field *fld, struct shape *shape);
void field_reset_walking_shape(struct field *fld, unsigned int index);
int field_rm_lines(struct field *fld);
int field_shape_collision(struct field *fld, struct shape *shape);
int field_shape_out_of_bounds(struct field *fld, struct shape *shape);
void shape_load(struct shape *shape);
void shape_gen_random(struct shape *shape);
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