void move_block(nstate *state, int direction)
{
if(direction == 0) {
if(!state->current_shape.x) return;
else {
if(!will_collide(state, (state->current_shape.x - 1),
state->current_shape.y,
state->current_shape.orientation)) {
draw_shape(state, state->current_shape.x,
state->current_shape.y, 1);
state->current_shape.x--;
draw_shape(state, state->current_shape.x,
state->current_shape.y, 0);
draw_well(state, 0);
}
}
} else {
if(!will_collide(state, (state->current_shape.x + 1),
state->current_shape.y,
state->current_shape.orientation)) {
draw_shape(state, state->current_shape.x,
state->current_shape.y, 1);
state->current_shape.x++;
draw_shape(state, state->current_shape.x,
state->current_shape.y, 0);
draw_well(state, 0);
}
}
}
void new_game(nstate *state)
{
clear_well(state);
if(state->score > state->hiscore) state->hiscore = state->score;
state->score = 0;
state->level = 0;
draw_score(state);
choose_new_shape(state);
draw_next_shape(state);
draw_well(state, 1);
if(state->state == STATE_NEWGAME) state->state = STATE_RUNNING;
}
void delete_line(nstate *state, int line)
{
int x, y;
if(line < WELL_NOTVISIBLE) return;
for(y = line - 1; y; y--)
for(x = WELL_WIDTH; x; x--)
state->blocks[0][y + 1][x] = state->blocks[0][y][x];
draw_well(state, 0);
}
int drop_block_1(nstate *state)
{
if(will_collide(state, state->current_shape.x,
(state->current_shape.y + 1),
state->current_shape.orientation)) {
block_reached_bottom(state);
return 1;
}
draw_shape(state, state->current_shape.x, state->current_shape.y, 1);
state->current_shape.y++;
draw_shape(state, state->current_shape.x, state->current_shape.y, 0);
draw_well(state, 0);
return 0;
}
void handle_exposure_event(nstate *state)
{
GR_EVENT_EXPOSURE *event = &state->event.exposure;
if(event->wid == state->score_window) {
draw_score(state);
return;
}
if(event->wid == state->next_shape_window) {
draw_next_shape(state);
return;
}
if(event->wid == state->new_game_button) {
draw_new_game_button(state);
return;
}
if(event->wid == state->pause_continue_button) {
draw_pause_continue_button(state);
return;
}
if(event->wid == state->anticlockwise_button) {
draw_anticlockwise_button(state);
return;
}
if(event->wid == state->clockwise_button) {
draw_clockwise_button(state);
return;
}
if(event->wid == state->left_button) {
draw_left_button(state);
return;
}
if(event->wid == state->right_button) {
draw_right_button(state);
return;
}
if(event->wid == state->drop_button) {
draw_drop_button(state);
return;
}
if(event->wid == state->well_window) {
draw_well(state, 1);
return;
}
}
void rotate_block(nstate *state, int direction)
{
int neworientation = 0;
if(direction == 0) {
if(!state->current_shape.orientation)
neworientation = MAXORIENTATIONS - 1;
else neworientation = state->current_shape.orientation - 1;
} else {
neworientation = state->current_shape.orientation + 1;
if(neworientation == MAXORIENTATIONS) neworientation = 0;
}
if(!will_collide(state, state->current_shape.x, state->current_shape.y,
neworientation)) {
draw_shape(state, state->current_shape.x,
state->current_shape.y, 1);
state->current_shape.orientation = neworientation;
draw_shape(state, state->current_shape.x,
state->current_shape.y, 0);
draw_well(state, 0);
}
}
void block_reached_bottom(nstate *state)
{
int x, y;
if(!block_is_all_in_well(state)) {
state->state = STATE_STOPPED;
return;
}
for(y = WELL_HEIGHT - 1; y; y--) {
for(x = 0; x < WELL_WIDTH; x++)
if(!state->blocks[0][y][x]) goto nr;
msleep(DELETE_LINE_DELAY);
delete_line(state, y);
state->score += SCORE_INCREMENT;
if((LEVELS > (state->level + 1)) && (((state->level + 1) *
LEVEL_DIVISOR) <= state->score))
state->level++;
draw_score(state);
y++;
nr:
}
choose_new_shape(state);
draw_next_shape(state);
}
void move_block(nstate *state, int direction)
{
if(direction == 0) {
if(!state->current_shape.x) return;
else {
if(!will_collide(state, (state->current_shape.x - 1),
state->current_shape.y,
state->current_shape.orientation)) {
draw_shape(state, state->current_shape.x,
state->current_shape.y, 1);
state->current_shape.x--;
draw_shape(state, state->current_shape.x,
state->current_shape.y, 0);
draw_well(state, 0);
}
}
} else {
if(!will_collide(state, (state->current_shape.x + 1),
state->current_shape.y,
state->current_shape.orientation)) {
draw_shape(state, state->current_shape.x,
state->current_shape.y, 1);
state->current_shape.x++;
draw_shape(state, state->current_shape.x,
state->current_shape.y, 0);
draw_well(state, 0);
}
}
}
void rotate_block(nstate *state, int direction)
{
int neworientation = 0;
if(direction == 0) {
if(!state->current_shape.orientation)
neworientation = MAXORIENTATIONS - 1;
else neworientation = state->current_shape.orientation - 1;
} else {
neworientation = state->current_shape.orientation + 1;
if(neworientation == MAXORIENTATIONS) neworientation = 0;
}
if(!will_collide(state, state->current_shape.x, state->current_shape.y,
neworientation)) {
draw_shape(state, state->current_shape.x,
state->current_shape.y, 1);
state->current_shape.orientation = neworientation;
draw_shape(state, state->current_shape.x,
state->current_shape.y, 0);
draw_well(state, 0);
}
}