396 lines
8.3 KiB
C++
396 lines
8.3 KiB
C++
#include "player.h"
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// Constructor
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Player::Player(SDL_Renderer *renderer, Asset *asset, Input *input, Map *map)
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{
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this->asset = asset;
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this->renderer = renderer;
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this->input = input;
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this->map = map;
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sound_jump = JA_LoadSound(asset->get("sound_player_jump.wav").c_str());
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sound_death = JA_LoadSound(asset->get("sound_player_death.wav").c_str());
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sound_coin = JA_LoadSound(asset->get("sound_player_coin.wav").c_str());
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texture = new LTexture();
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loadTextureFromFile(texture, asset->get("player.png"), renderer);
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sprite = new AnimatedSprite(texture, renderer, asset->get("player.ani"));
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w = 16;
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h = 24;
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x = 3 * 16;
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y = 168;
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vx = 0;
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vy = 0;
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lastPosition = {(int)x, (int)y};
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const SDL_Rect rect = {(int)x, (int)y, w, h};
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sprite->setRect(rect);
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sprite->setCurrentAnimation("stand");
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sprite->setFlip(SDL_FLIP_NONE);
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jumpStrenght = 2.0f;
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gravity = 0.3f;
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accelX = 0.12f;
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maxVX = 1.5f;
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maxVY = 4.0f;
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state = standing;
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jumpPressed = false;
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invulnerable = false;
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enabled = true;
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cooldown = 0;
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lives = 10;
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coins = 0;
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key.insert(key.end(), {0, 0, 0, 0, 0, 0});
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const SDL_Point p = {0, 0};
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collider.insert(collider.end(), {p, p, p, p, p, p, p, p, p, p, p, p});
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underFeet.insert(underFeet.end(), {p, p, p});
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}
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// Destructor
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Player::~Player()
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{
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JA_DeleteSound(sound_jump);
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JA_DeleteSound(sound_death);
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JA_DeleteSound(sound_coin);
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texture->unload();
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delete texture;
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delete sprite;
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}
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// Actualiza todas las variables
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void Player::update()
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{
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checkInput();
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move();
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animate();
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checkActors();
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}
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// Dibuja el objeto
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void Player::render()
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{
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sprite->render();
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}
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// Comprueba las entradas y modifica variables
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void Player::checkInput()
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{
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if (input->checkInput(INPUT_LEFT, REPEAT_TRUE))
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{
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vx = std::max(vx -= accelX, -maxVX);
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sprite->setFlip(SDL_FLIP_HORIZONTAL);
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}
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else if (input->checkInput(INPUT_RIGHT, REPEAT_TRUE))
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{
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vx = std::min(vx += accelX, maxVX);
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sprite->setFlip(SDL_FLIP_NONE);
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}
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else
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{
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if (vx > 0.0f)
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{
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vx = std::max(vx -= accelX, 0.0f);
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}
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else
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{
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vx = std::min(vx += accelX, 0.0f);
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}
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}
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if (input->checkInput(INPUT_UP, REPEAT_TRUE))
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{
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if (state == standing)
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{
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if (!jumpPressed)
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{
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jumpStrenght = 2.0f;
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vy -= jumpStrenght;
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state = jumping;
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jumpPressed = true;
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}
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}
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else if (state == jumping)
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{
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if (jumpPressed)
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{
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jumpStrenght = std::max(jumpStrenght -= 0.4f, 0.0f);
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vy -= jumpStrenght;
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}
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}
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jumpPressed = true;
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}
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else
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{
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jumpPressed = false;
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if (state == jumping)
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{
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state = falling;
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}
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}
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}
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// Aplica la gravedad
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void Player::addGravity()
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{
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// *** Falta ver pq la gravedad empuja al muñeco hacia abajo en los tiles atravesables
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if (state != standing)
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{
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vy = std::min(vy += gravity, maxVY);
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}
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}
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// Actualiza los puntos de colisión
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void Player::updateColliders()
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{
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const SDL_Point p = {(int)x, (int)y};
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// Lado izquierdo
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collider[0] = p;
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collider[1] = {p.x, p.y + 7};
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collider[2] = {p.x, p.y + 12};
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collider[3] = {p.x, p.y + 18};
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collider[4] = {p.x, p.y + 23};
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// Lado derecho
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collider[5] = {p.x + 15, p.y};
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collider[6] = {p.x + 15, p.y + 7};
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collider[7] = {p.x + 15, p.y + 12};
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collider[8] = {p.x + 15, p.y + 18};
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collider[9] = {p.x + 15, p.y + 23};
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// Centro
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collider[10] = {p.x + 7, p.y};
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collider[11] = {p.x + 7, p.y + 23};
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}
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// Actualiza los puntos de los pies
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void Player::updateFeet()
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{
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const SDL_Point p = {(int)x, (int)y};
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underFeet[0] = {p.x, p.y + h};
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underFeet[1] = {p.x + 7, p.y + h};
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underFeet[2] = {p.x + 15, p.y + h};
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}
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// Compruena las colisiones con el mapa
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bool Player::checkMapCollisions()
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{
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bool collision = false;
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updateColliders();
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for (auto c : collider)
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{
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collision |= (map->getTile(c) == wall);
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}
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return collision;
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}
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// Mueve al jugador en función de la velocidad/desplazamiento
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void Player::move()
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{
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const int tileSize = map->getTileSize();
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lastPosition = {(int)x, (int)y};
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addGravity();
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// Mueve en el eje X y comprueba colisiones con muros
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x += vx;
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if (checkMapCollisions())
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{
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// Recoloca
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if (vx > 0)
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{
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x -= ((int)x + w) % tileSize;
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}
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else
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{
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x += tileSize - ((int)x % tileSize);
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}
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vx = 0.0f;
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}
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// Mueve en el eje Y y comprueba colisiones con muros
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y += vy;
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if (checkMapCollisions())
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{
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// Recoloca
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if (vy > 0.0f)
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{
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y -= ((int)y + h) % tileSize;
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state = standing;
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}
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else
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{
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y += tileSize - ((int)y % tileSize);
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state = falling;
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}
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vy = 0.0f;
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}
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// Si no hay colisiones con los muros en el eje Y, comprueba no haya atravesado
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// el suelo de un tile atravesble
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else
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{
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const int a = (lastPosition.y + h) / tileSize;
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const int b = ((int)y + h) / tileSize;
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const bool tile_change = a != b;
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const bool going_down = vy >= 0.0f;
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const bool tile_aligned = ((int)y + h) % tileSize == 0;
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if (((going_down) && (tile_aligned)) || ((going_down) && (tile_change)))
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{
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// Tiene uno de los pies sobre una superficie
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if (isOnFloor())
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{
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state = standing;
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vy = 0.0f;
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y -= ((int)y + h) % tileSize;
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}
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// Tiene ambos pies sobre el vacío
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else
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{
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state = falling;
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}
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}
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}
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// Actualiza la posición del sprite
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sprite->setPosX(x);
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sprite->setPosY(y);
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}
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// Anima al jugador
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void Player::animate()
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{
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if (state != standing)
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{
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sprite->setCurrentAnimation("jump");
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}
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else
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{
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if (abs(vx) < 0.50f)
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{
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sprite->setCurrentAnimation("stand");
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}
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else
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{
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sprite->setCurrentAnimation("walk");
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}
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}
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sprite->animate();
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}
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// Comprueba si el jugador tiene suelo debajo de los pies
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bool Player::isOnFloor()
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{
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bool onFloor = false;
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updateFeet();
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for (auto f : underFeet)
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{
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onFloor |= ((map->getTile(f) == wall) || (map->getTile(f) == passable));
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}
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return onFloor;
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}
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// Comprueba si el jugador tiene una plataforma movil bajo sus pies
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bool Player::isOnMovingPlatform()
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{
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bool onMovingPlatform = false;
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updateFeet();
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for (auto f : underFeet)
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{
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onMovingPlatform |= (map->getActorName(map->actorCollision(f)) == a_moving_platform);
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}
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return onMovingPlatform;
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}
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// Comprueba si está situado en alguno de los cuatro bordes de la habitación
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bool Player::isOnScreenBorder()
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{
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bool success = false;
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border = b_none;
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if (x < map->getPlayArea(b_left))
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{
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border = b_left;
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success = true;
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}
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else if (x > map->getPlayArea(b_right) - w)
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{
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border = b_right;
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success = true;
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}
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else if (y < map->getPlayArea(b_top))
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{
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border = b_top;
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success = true;
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}
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else if (y > map->getPlayArea(b_bottom) - h)
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{
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border = b_bottom;
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success = true;
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}
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return success;
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}
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// Devuelve el valor de la variable
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e_border Player::getBorder()
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{
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return border;
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}
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// Cambia al jugador de un borde al opuesto. Util para el cambio de pantalla
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void Player::switchBorders()
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{
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switch (border)
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{
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case b_top:
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y = map->getPlayArea(b_bottom) - h;
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break;
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case b_bottom:
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y = map->getPlayArea(b_top);
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break;
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case b_right:
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x = map->getPlayArea(b_left);
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break;
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case b_left:
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x = map->getPlayArea(b_right) - w;
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break;
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default:
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break;
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}
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border = b_none;
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}
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// Pasa la referencia del mapa
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void Player::setMap(Map *map)
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{
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this->map = map;
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}
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// Comprueba las interacciones con los actores
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int Player::checkActors()
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{
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SDL_Rect rect = sprite->getRect();
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return map->actorCollision(rect);
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} |