92 lines
2.1 KiB
C++
92 lines
2.1 KiB
C++
#include "engine.h"
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bool Engine::_check_pad_ball_collision(Paddle &p) {
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uint8_t ppos= p.get_position();
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for (int p= ppos; p < ppos + PADDLE_LENGTH; p++) {
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if (_ball.get_y() == p) {
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return true;
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}
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}
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return false;
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}
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void Engine::run() {
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// if (_event == P1SCORE || _event == P2SCORE) this -> _soft_reset();
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_event= NONE;
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_ball.move();
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uint8_t bx= _ball.get_x();
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uint8_t by= _ball.get_y();
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int8_t ball_dir= _ball.get_direction_x();
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// pad is 1 pixel far from the edge, so i need to calc this delta
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// check also if the ball is already moving away, to skip useless checks
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if (bx <= 1 && ball_dir < 0) {
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// score the point only if ball reached the edge
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if (this -> _check_pad_ball_collision(_p1) && bx <= 1) {
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_ball.bounce_on_pad();
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_event= P1_COLLISION;
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_hits++;
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}
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else if (bx <= 0) {
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// p2 scores
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_p2.increase_score();
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_event= P2SCORE;
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return;
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}
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}
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else if (bx >= MATRIX_WIDTH-2 && ball_dir > 0) {
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// score the point only if ball reached the edge
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if (this -> _check_pad_ball_collision(_p2) && bx >= MATRIX_WIDTH-2) {
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_ball.bounce_on_pad();
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_event= P2_COLLISION;
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_hits++;
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}
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else if (bx >= MATRIX_WIDTH-1) {
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// p1 scores
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_p1.increase_score();
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_event= P1SCORE;
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return;
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}
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}
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if (by == 0 || by == MATRIX_HEIGHT-1) {
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_ball.bounce_on_sides();
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_event= WALL_COLLISION;
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}
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if (_hits >= 6 && _ball_mv_delay >= 80) {
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_hits= 0;
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_ball_mv_delay -= 20;
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}
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}
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bool Engine::control_players() {
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bool need_refresh= false;
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if (_p1.is_human()) need_refresh |= _p1.check_pad_movement();
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else need_refresh |= _p1.check_pad_movement(_ball);
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if (_p2.is_human()) need_refresh |= _p2.check_pad_movement();
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else need_refresh |= _p2.check_pad_movement(_ball);
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return need_refresh;
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}
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uint8_t Engine::ball_movement_delay() {
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return _ball_mv_delay;
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}
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EngineEvents Engine::get_event() {
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return _event;
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}
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void Engine::restart_ball() {
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_ball.reset_position();
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_ball_mv_delay= INITIAL_BALL_DELAY;
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}
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void Engine::reset() {
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this -> restart_ball();
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_p1.reset();
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_p2.reset();
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}
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