94 lines
1.7 KiB
C++
94 lines
1.7 KiB
C++
#include "player.hpp"
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#define ANIMATION_SPEED 100
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#define WALKING_SPEED 0.14
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Player::Player(SDL_Surface* s, int w, int h)
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: sprite(s, w, h)
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{
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}
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void Player::Update(int delta) {
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if (motion.y > 0) {
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FaceDirection(Direction::SOUTH);
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}
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else if (motion.y < 0) {
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FaceDirection(Direction::NORTH);
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}
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else if (motion.x < 0) {
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FaceDirection(Direction::WEST);
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}
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else if (motion.x > 0) {
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FaceDirection(Direction::EAST);
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}
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constexpr double d = 1/sqrt(2);
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if (motion.x != 0 && motion.y != 0) {
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sprite.SetInterval(ANIMATION_SPEED);
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position += motion * d * delta;
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}
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else if (motion != 0) {
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sprite.SetInterval(ANIMATION_SPEED);
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position += motion * delta;
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}
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else {
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sprite.SetCurrentFrame(0);
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sprite.SetInterval(0);
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}
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sprite.Update(delta);
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}
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void Player::WalkInDirection(Direction d) {
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switch(d) {
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case Direction::NORTH:
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if (motion.y >= 0) {
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motion.y -= WALKING_SPEED;
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}
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else {
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motion.y = -WALKING_SPEED;
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}
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break;
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case Direction::SOUTH:
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if (motion.y <= 0) {
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motion.y += WALKING_SPEED;
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}
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else {
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motion.y = WALKING_SPEED;
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}
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break;
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case Direction::WEST:
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if (motion.x >= 0) {
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motion.x -= WALKING_SPEED;
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}
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else {
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motion.x = -WALKING_SPEED;
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}
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break;
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case Direction::EAST:
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if (motion.x <= 0) {
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motion.x += WALKING_SPEED;
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}
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else {
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motion.x = WALKING_SPEED;
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}
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break;
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}
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}
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void Player::FaceDirection(Direction dir) {
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switch(dir) {
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case Direction::SOUTH:
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sprite.SetCurrentStrip(0);
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break;
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case Direction::NORTH:
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sprite.SetCurrentStrip(1);
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break;
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case Direction::WEST:
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sprite.SetCurrentStrip(2);
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break;
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case Direction::EAST:
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sprite.SetCurrentStrip(3);
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break;
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}
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} |