// This callback function gets called by the Glut
// system whenever it decides things need to be redrawn.
void display(void)
{
glClear(GL_COLOR_BUFFER_BIT);
// Test lines that draw all three shapes and some text.
// Delete these when you get your code working.
drawShapes();
drawPoints();
drawButtons();
drawSliders();
glColor3d(1, 1, 1);
drawText(300, 10, "CS-3005 - Illustrator");
glutSwapBuffers();
}
void NoiseGen::mainLoop()
{
bool quit = false;
bool refresh = true;
//int cursor = 0;
//bool viewcontrol = false;
// int viewcontrolunits = 12; // how many units moved when in view control
bool mapDrag = false;
sf::Vector2i mapDragOffset;
//debug
//std::cout << "SCREEN :" << IMAGE_SIZE*IMAGE_SCALE+RIGHT_MARGIN_WIDTH << "," << IMAGE_SIZE*IMAGE_SCALE+BOTTOM_MARGIN_HEIGHT << std::endl;
while(!quit)
{
sf::Event event;
screen->clear();
//check for right mouse button release if dragging
if(mapDrag && !sf::Mouse::isButtonPressed(sf::Mouse::Right))
{
mapDrag = false;
xpos = xpos - (sf::Mouse::getPosition(*screen).x - mapDragOffset.x);
ypos = ypos - (sf::Mouse::getPosition(*screen).y - mapDragOffset.y);
refresh = true;
}
else if(mapDrag) refresh = true;
//create, populate, and display map image
if(refresh)
{
if(sf::Mouse::isButtonPressed(sf::Mouse::Right) && mapDrag)
{
int x_off = sf::Mouse::getPosition(*screen).x - mapDragOffset.x;
int y_off = sf::Mouse::getPosition(*screen).y - mapDragOffset.y;
createMapImage(xpos - x_off, ypos - y_off);
}
else createMapImage(xpos, ypos);
refresh = false;
}
//DRAW OBJECTS
drawMap();
drawSliders();
drawButtons();
drawCoordinates( sf::Vector2i(IMAGE_SCALE*IMAGE_SIZE + 12, 300));
//debug draw mouse coordinates
/*
std::stringstream mpos;
mpos << "(" << sf::Mouse::getPosition(*screen).x << "," << sf::Mouse::getPosition(*screen).y << ")";
sf::Text mposTXT(mpos.str(), font, 12);
mposTXT.setColor(sf::Color(200,0,0));
screen->draw(mposTXT);
*/
//handle input
while(screen->pollEvent(event))
{
//if resize event happened
if(event.type == sf::Event::Resized)
{
screen->setSize( sf::Vector2u(IMAGE_SCALE*IMAGE_SIZE + RIGHT_MARGIN_WIDTH, IMAGE_SCALE*IMAGE_SIZE + BOTTOM_MARGIN_HEIGHT));
continue;
}
//pass event to sliders
if(updateSliders(&event)) refresh = true;
//WINDOW CLOSE EVENT
if(event.type == sf::Event::Closed) quit = true;
// MOUSE EVENTS
if(event.type == sf::Event::MouseButtonPressed)
{
//LEFT MOUSE BUTTON
if(event.mouseButton.button == sf::Mouse::Left)
{
for(int i = 0; i < int(buttons.size()); i++)
{
if(buttons[i]->mouseIn())
{
switch(i)
{
case 0:
N_MODE = SIMPLEX;
break;
case 1:
N_MODE = PERLIN;
break;
case 2:
if(terrainmode) terrainmode = false;
else terrainmode = true;
break;
case 3:
exportToTXT();
break;
case 4:
exportToIMAGE();
break;
case 5:
randomPosition();
break;
case 6:
/*
defaultSettings();
updateSliders(NULL);
refresh = true;
*/
reloadDefaultSettings();
break;
default:
break;
}
refresh = true;
}
}
}
else if(event.mouseButton.button == sf::Mouse::Right)
{
sf::Vector2i m_pos = sf::Mouse::getPosition(*screen);
if(m_pos.x >= 0 && m_pos.x <= mapTexture->getSize().x && m_pos.y >= 0 && m_pos.y <= mapTexture->getSize().y)
{
mapDrag = true;
mapDragOffset = m_pos;
refresh = true;
}
}
}
// KEYBOARD EVENTS
if(event.type == sf::Event::KeyPressed)
{
//escape to quit
if(event.key.code == sf::Keyboard::Escape)
{
quit = true;
}
else if(event.key.code == sf::Keyboard::Q)
{
/*
defaultSettings();
std::cout << "loaded default settings\n";
initTerrainSlider(); // memory leak?
std::cout << "initialized terrain slider\n";
updateSliders(NULL);
std::cout << "updated sliders\n";
*/
reloadDefaultSettings();
refresh = true;
}
else if(event.key.code == sf::Keyboard::F1)
{
segment newseg;
newseg.value = 254;
newseg.red = rand()%256;
newseg.green = rand()%256;
newseg.blue = rand()%256;
terSlider->addSegment(&newseg);
}
else if(event.key.code == sf::Keyboard::F5)
{
xpos = 10;
ypos = 10;
refresh = true;
}
else if(event.key.code == sf::Keyboard::W) {ypos = ypos - IMAGE_SIZE/2; refresh = true;}
else if(event.key.code == sf::Keyboard::S) {ypos = ypos + IMAGE_SIZE/2; refresh = true;}
else if(event.key.code == sf::Keyboard::A) {xpos = xpos - IMAGE_SIZE/2; refresh = true;}
else if(event.key.code == sf::Keyboard::D) {xpos = xpos + IMAGE_SIZE/2; refresh = true;}
}
}
//draw screen
screen->display();
}
//save settings after mainloop quit
saveSettings();
}
