99 lines
2.5 KiB
C++
99 lines
2.5 KiB
C++
#include "PacMan.hpp"
|
|
#include <cmath>
|
|
|
|
PacMan::PacMan(const Board & board)
|
|
: pos(Board::initialPacManPosition()) {}
|
|
|
|
GridPosition PacMan::currentSprite() const {
|
|
return eaten ? pacManAnimation.deathAnimationFrame(direction) : pacManAnimation.animationFrame(direction);
|
|
}
|
|
|
|
Position PacMan::position() const {
|
|
return pos;
|
|
}
|
|
|
|
Position PacMan::positionInGrid() const {
|
|
return { std::round(pos.x), std::round(pos.y) };
|
|
}
|
|
|
|
void PacMan::eat() {
|
|
if (eaten)
|
|
return;
|
|
eaten = true;
|
|
direction = Direction::NONE;
|
|
}
|
|
|
|
void PacMan::reset(const Board & b) {
|
|
eaten = false;
|
|
direction = Direction::NONE;
|
|
pos = b.initialPacManPosition();
|
|
}
|
|
|
|
void PacMan::update(std::chrono::milliseconds time_delta, InputState state, const Board & board) {
|
|
if (eaten) {
|
|
updateAnimationPosition(time_delta, false);
|
|
return;
|
|
}
|
|
const auto old = pos;
|
|
setDirection(state);
|
|
updateMazePosition(time_delta, board);
|
|
const bool paused = pos == old;
|
|
updateAnimationPosition(time_delta, paused);
|
|
}
|
|
|
|
void PacMan::setDirection(const InputState & state) {
|
|
if (state.left)
|
|
desired_direction = Direction::LEFT;
|
|
else if (state.right)
|
|
desired_direction = Direction::RIGHT;
|
|
else if (state.up)
|
|
desired_direction = Direction::UP;
|
|
else if (state.down)
|
|
desired_direction = Direction::DOWN;
|
|
}
|
|
|
|
void PacMan::updateAnimationPosition(std::chrono::milliseconds time_delta, bool paused) {
|
|
if (paused) {
|
|
pacManAnimation.pause();
|
|
} else {
|
|
pacManAnimation.updateAnimationPosition(time_delta, eaten);
|
|
}
|
|
}
|
|
|
|
void PacMan::updateMazePosition(std::chrono::milliseconds time_delta, const Board & board) {
|
|
double position_delta = 0.004 * time_delta.count();
|
|
|
|
// Handle teleport
|
|
if (pos.x >= COLUMNS - 1 && direction == Direction::RIGHT) {
|
|
pos.x = -1;
|
|
} else if (pos.x <= 0 && direction == Direction::LEFT) {
|
|
pos.x = COLUMNS;
|
|
}
|
|
|
|
else if (board.isWalkableForPacMan(pos, position_delta, desired_direction)) {
|
|
direction = desired_direction;
|
|
}
|
|
|
|
if (board.isWalkableForPacMan(pos, position_delta, direction)) {
|
|
switch (direction) {
|
|
case Direction::NONE:
|
|
break;
|
|
case Direction::LEFT:
|
|
pos.x -= position_delta;
|
|
pos.y = floor(pos.y);
|
|
break;
|
|
case Direction::RIGHT:
|
|
pos.x += position_delta;
|
|
pos.y = floor(pos.y);
|
|
break;
|
|
case Direction::UP:
|
|
pos.x = floor(pos.x);
|
|
pos.y -= position_delta;
|
|
break;
|
|
case Direction::DOWN:
|
|
pos.x = floor(pos.x);
|
|
pos.y += position_delta;
|
|
break;
|
|
}
|
|
}
|
|
}
|