carp

cpp

#include <string>
#include <SFML/Graphics.hpp>

class TileMap : public sf::Drawable, public sf::Transformable
{
public:
	bool load(const std::string& tileset, sf::Vector2u tileSize, const int* tiles, unsigned int width, unsigned int height);
private:
	virtual void draw(sf::RenderTarget& target, sf::RenderStates states) const;

	sf::VertexArray m_vertices;
	sf::Texture m_tileset;
};

#include "TileMap.h"

bool TileMap::load(const std::string& tileset, sf::Vector2u tileSize, const int* tiles, unsigned int width, unsigned int height)
{
	if (!m_tileset.loadFromFile(tileset))
		return false;

	m_vertices.setPrimitiveType(sf::Quads);
	m_vertices.resize(width * height * 4);

	for (unsigned int i = 0; i < width; ++i)
	for (unsigned int j = 0; j < height; ++j)
	{
		int tileNumber = tiles[i + j * width];

		int tu = tileNumber % (m_tileset.getSize().x / tileSize.x);
		int tv = tileNumber / (m_tileset.getSize().x / tileSize.x);

		sf::Vertex* quad = &m_vertices[(i + j * width) * 4];

		quad[0].position = sf::Vector2f(i * tileSize.x, j * tileSize.y);
		quad[1].position = sf::Vector2f((i + 1) * tileSize.x, j * tileSize.y);
		quad[2].position = sf::Vector2f((i + 1) * tileSize.x, (j + 1) * tileSize.y);
		quad[3].position = sf::Vector2f(i * tileSize.x, (j + 1) * tileSize.y);

		quad[0].texCoords = sf::Vector2f(tu * tileSize.x, tv * tileSize.y);
		quad[1].texCoords = sf::Vector2f((tu + 1) * tileSize.x, tv * tileSize.y);
		quad[3].texCoords = sf::Vector2f(tu * tileSize.x, (tv + 1) * tileSize.y);
		quad[2].texCoords = sf::Vector2f((tu + 1) * tileSize.x, (tv + 1) * tileSize.y);
	}
	return true;
}

void TileMap::draw(sf::RenderTarget& target, sf::RenderStates states) const
{
	states.transform *= getTransform();
	states.texture = &m_tileset;
	target.draw(m_vertices, states);
}





int level[] =
{
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0

};

int main(void)
{
	//level[49] = { 2 };
	//level[9] = { 2 };

	// create the window
	sf::RenderWindow window(sf::VideoMode(800, 600), "Tilemap");

	TileMap map;
	map.load("tileset.png", sf::Vector2u(32, 32), level, 25, 15);

	while (window.isOpen())
	{
		sf::Event event;
		while (window.pollEvent(event))
		{
			if (event.type == sf::Event::Closed) window.close();
		}
		window.clear();
		window.draw(map);
		window.display();
	}
	return 0;
}