world.cpp

#include "world.h"
#include "game.h"
#include "tile.h"
#include "watertile.h"
#include <QFile>
#include <QDebug>

World::World(Game *game)
{
    this->game = game;
    this->loader = new WorldLoader(this);
    entities = new QList<Entity*>();
    coines = new QList<Coin*>();
}

void World::update()
{
    // Updatne entity ve světě
    for(int i = 0; i < entities->length(); i++){
        entities->at(i)->update();
    }
}

AABB World::collision(QRectF rect)
{
    int stx = rect.x()/Tile::SIZE - 1;
    int sty = rect.y()/Tile::SIZE - 1;
    if(stx < 0) stx = 0;
    if(sty < 0) sty = 0;
    int ltx = stx + rect.width()/Tile::SIZE + 3;
    int lty = sty + rect.height()/Tile::SIZE + 3;
    if(ltx>WIDTH) ltx = WIDTH;
    if(lty>HEIGHT) lty = HEIGHT;

    for(int w = 0; w < LAYERS; w++){
        for(int x = stx; x < ltx; x++){
            for(int y = sty; y < lty; y++){
                Tile *tile = world[w][x][y];
                if(tile != NULL && tile->solid){
                    AABB aabb(rect, tile->boundingRect());
                    if(aabb.collide) return aabb;
                }
            }
        }
    }
    return AABB(rect);
}

void World::addEntity(Entity *entity)
{
    this->entities->append(entity);
    this->game->scene->addItem(entity);
}

void World::addCoin(int x, int y)
{
    Coin *coin = new Coin(game, x, y);
    this->coines->append(coin);
    this->game->scene->addItem(coin);

}

void World::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
    int bx = game->camera->getPosition().rx()/Tile::SIZE;
    int by = game->camera->getPosition().ry()/Tile::SIZE;
    if(bx < 0) bx = 0;
    if(by < 0) by = 0;
    int fx = bx+game->WIDTH/Tile::SIZE+2;
    int fy = by+game->HEIGHT/Tile::SIZE+2;
    if(fx>WIDTH) fx = WIDTH;
    if(fy>HEIGHT) fy = HEIGHT;

    for(int w = 0; w < LAYERS; w++){
        for(int x = bx; x < fx; x++){
            for(int y = by; y < fy; y++){
                Tile *tile = world[w][x][y];
                if(tile != NULL){
                    tile->update();
                    painter->drawImage(tile->drawingRect(), game->resource->spritesheet, tile->getTexCoords());
                    if(game->DEBUG && tile->solid) painter->drawRect(tile->drawingRect());
                }
            }
        }
    }
}

QRectF World::boundingRect() const
{
    return QRectF(0, 0, Tile::SIZE*WIDTH, Tile::SIZE*HEIGHT);
}

QPainterPath World::shape() const
{
    QPainterPath path;
    path.addRect(boundingRect());
    return path;
}