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main.cpp
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main.cpp
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#include <bits/stdc++.h>
#include <SFML/Graphics.hpp>
float zoom = 1.0f;
sf::Texture trash_can;
class WireWorld: public sf::Drawable, public sf::Transformable
{
public:
enum CellType : unsigned char {Empty, Conductor, ElectronHead, ElectronTail};
public:
WireWorld(int rows, int columns, int width, int height):
m_World((rows + 1) * (columns + 1), WireWorld::CellType::Empty),
m_WorldBuffer(m_World.size()),
clock(),
rows(rows),
columns(columns),
width(width),
height(height),
pause(false),
hidden(false),
FrameRate(1 / 15.0f)
{
srand(time(NULL));
}
~WireWorld() {};
void trigPause() {pause = !pause;}
void trigHidden() {hidden= !hidden;}
void fillAll(WireWorld::CellType type) {std::fill(m_World.begin(), m_World.end(), type);}
void setCell(WireWorld::CellType type, sf::Vector2f pos)
{
for(int i = 1; i < rows; ++i) for(int j = 1; j < columns; ++j)
{
if((pos.y >= i * height) && (pos.y < (i + 1) * height) && (pos.x >= (j) * width) && (pos.x < (j + 1) * width))
{
m_World[i * columns + j] = type;
break;
}
}
}
void update()
{
if(pause) return;
if(clock.getElapsedTime().asSeconds() < FrameRate) return;
clock.restart();
std::copy(m_World.begin(), m_World.end(), m_WorldBuffer.begin());
for(int i = 1; i < rows; ++i) for(int j = 1; j < columns; ++j)
{
if(m_WorldBuffer[i * columns + j] == WireWorld::CellType::Empty) continue;
else if(m_WorldBuffer[i * columns + j] == WireWorld::CellType::ElectronHead)
{
m_World[i * columns + j] = WireWorld::CellType::ElectronTail;
continue;
}
else if(m_WorldBuffer[i * columns + j] == WireWorld::CellType::ElectronTail)
{
m_World[i * columns + j] = WireWorld::CellType::Conductor;
continue;
}
unsigned char cnt = 0;
if(m_WorldBuffer[(i + 1) * columns + (j + 1)] == WireWorld::CellType::ElectronHead) ++cnt;
if(m_WorldBuffer[(i + 1) * columns + (j - 1)] == WireWorld::CellType::ElectronHead) ++cnt;
if(m_WorldBuffer[(i + 1) * columns + (j)] == WireWorld::CellType::ElectronHead) ++cnt;
if(m_WorldBuffer[(i - 1) * columns + (j + 1)] == WireWorld::CellType::ElectronHead) ++cnt;
if(m_WorldBuffer[(i - 1) * columns + (j - 1)] == WireWorld::CellType::ElectronHead) ++cnt;
if(m_WorldBuffer[(i - 1) * columns + (j)] == WireWorld::CellType::ElectronHead) ++cnt;
if(m_WorldBuffer[(i) * columns + (j + 1)] == WireWorld::CellType::ElectronHead) ++cnt;
if(m_WorldBuffer[(i) * columns + (j - 1)] == WireWorld::CellType::ElectronHead) ++cnt;
if(m_WorldBuffer[(i) * columns + (j)] == WireWorld::CellType::ElectronHead) ++cnt;
if(cnt == 1 || cnt == 2) m_World[i * columns + j] = WireWorld::CellType::ElectronHead;
}
}
void draw(sf::RenderTarget &rt, sf::RenderStates rs) const
{
rs.texture = NULL;
rs.transform *= getTransform();
sf::RectangleShape rect(sf::Vector2f(width * (columns - 1), height * (rows - 1)));
rect.setPosition(width, height);
rect.setFillColor(sf::Color::Transparent);
rect.setOutlineColor(sf::Color(128, 128, 128));
rect.setOutlineThickness(zoom);
rt.draw(rect, rs);
rect.setSize(sf::Vector2f(width, height));
rect.setOutlineThickness((zoom > 2.0f) ? 0 : -1);
for(int i = 1; i < rows; ++i) for(int j = 1; j < columns; ++j)
{
if(m_World[i * columns + j] == WireWorld::CellType::Empty) rect.setFillColor(sf::Color::Transparent);
else if(m_World[i * columns + j] == WireWorld::CellType::ElectronHead) rect.setFillColor(sf::Color::Blue);
else if(m_World[i * columns + j] == WireWorld::CellType::ElectronTail) rect.setFillColor(sf::Color::Red);
else if(m_World[i * columns + j] == WireWorld::CellType::Conductor && hidden) rect.setFillColor(sf::Color::Transparent);
else if(m_World[i * columns + j] == WireWorld::CellType::Conductor) rect.setFillColor(sf::Color::Yellow);
rect.setPosition(j * width, i * height);
rt.draw(rect, rs);
}
}
private:
std::vector<unsigned char> m_World, m_WorldBuffer;
sf::Clock clock;
int rows, columns, width, height;
bool pause, hidden;
float FrameRate;
};
class Gui: public sf::Drawable, public sf::Transformable
{
public:
Gui(sf::Vector2f windSize, sf::Vector2f viewSize):
hover(-1),
option(WireWorld::CellType::Conductor),
buttons(0),
bg(sf::Vector2f(windSize.x - viewSize.x, windSize.y)),
s()
{
for(int i = 0; i < 4; ++i)
{
buttons.push_back(sf::RectangleShape(sf::Vector2f(50, 50)));
buttons[i].setPosition(737, i * 100 + 100);
buttons[i].setOutlineThickness(4);
buttons[i].setOutlineColor(sf::Color::Transparent);
}
buttons[0].setFillColor(sf::Color::White);
buttons[1].setFillColor(sf::Color::Yellow);
buttons[2].setFillColor(sf::Color::Blue);
buttons[3].setFillColor(sf::Color::White);
trash_can.loadFromFile("assets/trash_can.png");
s.setTexture(trash_can);
s.scale(50 / 64.0f, 50 / 64.0f);
s.setPosition(buttons[3].getPosition());
bg.setPosition(viewSize.x, 0);
bg.setFillColor(sf::Color(64, 64, 64));
}
~Gui() {}
bool getHover() const {return (hover == -1);}
void update() {}
WireWorld::CellType getSelectedCellType() const {return option;}
unsigned char setAction()
{
if(hover > 2) return hover - 2;
option = (WireWorld::CellType)((hover == -1) ? 0 : (unsigned char)hover);
return 0;
}
void checkHover(sf::Vector2f pos)
{
hover = -1;
for(unsigned int i = 0; i < buttons.size(); ++i)
{
buttons[i].setOutlineColor(sf::Color::Transparent);
if(buttons[i].getGlobalBounds().contains(pos))
{
hover = i;
buttons[i].setOutlineColor(sf::Color::Red);
break;
}
}
}
void draw(sf::RenderTarget& rt, sf::RenderStates rs) const
{
rs.texture = NULL;
rs.transform *= getTransform();
rt.draw(bg, rs);
for(unsigned int i = 0; i < buttons.size(); ++i)
rt.draw(buttons[i], rs);
rt.draw(s, rs);
}
private:
int hover;
WireWorld::CellType option;
std::vector<sf::RectangleShape> buttons;
sf::RectangleShape bg;
sf::Sprite s;
};
int main()
{
sf::RenderWindow app(sf::VideoMode(800, 600), "WireWorld");
app.setFramerateLimit(60);
sf::View view(sf::Vector2f(300, 300), sf::Vector2f(800 * 0.9f, 600));
view.setViewport(sf::FloatRect(0, 0, 0.9f, 1.0f));
sf::Vector2i mousePos;
WireWorld ww(64, 64, 32, 32);
Gui gui((sf::Vector2f)app.getSize(), view.getSize());
bool drag = false;
while (app.isOpen())
{
if(!app.hasFocus()) continue;
sf::Event event;
while(app.pollEvent(event))
{
if(event.type == sf::Event::Closed) app.close();
else if(event.type == sf::Event::KeyPressed && event.key.code == sf::Keyboard::Space) ww.trigPause();
else if(event.type == sf::Event::KeyPressed && event.key.code == sf::Keyboard::H) ww.trigHidden();
else if(event.type == sf::Event::MouseButtonPressed && event.mouseButton.button == sf::Mouse::Left)
{
if(!gui.getHover())
{
unsigned char action = gui.setAction();
if(action != 0) ww.fillAll((WireWorld::CellType)(action - 1));
}
}
else if(event.type == sf::Event::MouseButtonPressed && event.mouseButton.button == sf::Mouse::Middle)
{
drag = true;
mousePos = sf::Mouse::getPosition(app);
}
else if(event.type == sf::Event::MouseButtonReleased && event.mouseButton.button == sf::Mouse::Middle) drag = false;
else if(event.type == sf::Event::MouseMoved)
{
app.setView(app.getDefaultView());
gui.checkHover(app.mapPixelToCoords(sf::Mouse::getPosition(app)));
app.setView(view);
if(!drag) continue;
sf::Vector2i tmpMousePos = sf::Mouse::getPosition(app);
view.move(sf::Vector2f(mousePos - tmpMousePos) * zoom);
mousePos = tmpMousePos;
}
else if(event.type == sf::Event::MouseWheelScrolled)
{
view.zoom(1 / zoom);
zoom *= (event.mouseWheelScroll.delta > 0) ? 0.9f : 1.1f;
zoom = std::max(std::min(zoom, 10.0f), 0.1f);
view.zoom(zoom);
}
}
if(sf::Mouse::isButtonPressed(sf::Mouse::Left) && gui.getHover())
ww.setCell(gui.getSelectedCellType(), app.mapPixelToCoords(sf::Mouse::getPosition(app)));
gui.update();
ww.update();
app.clear(sf::Color::White);
app.setView(app.getDefaultView());
app.draw(gui);
app.setView(view);
app.draw(ww);
app.display();
}
return EXIT_SUCCESS;
}