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#include "common.hpp"
namespace interface {
state_t::state_t(sf::RenderWindow *window_, game::state_t *game_)
{
window = window_;
game = game_;
}
static sf::Vector2f compute_pan(sf::RenderWindow *window, sf::Vector2f pan_ref)
{
sf::Vector2i mouse = sf::Mouse::getPosition(*window);
sf::Vector2f vmouse = window->mapPixelToCoords(mouse);
return -(vmouse - pan_ref);
}
void state_t::tick(void)
{
sf::Vector2u size;
sf::Event event;
sf::Vector2f view_size;
v2f_t wmouse; // Mouse position in world space;
size = window->getSize();
camera.zoom = (camera.zoom + camera.target_zoom) / 2;
{
float view_scale;
view_scale = 3 * exp(camera.zoom * 0.3);
if (size.x > size.y) {
view_size.y = view_scale;
view_size.x = view_scale * size.x / size.y;
} else {
view_size.x = view_scale;
view_size.y = view_scale * size.y / size.x;
}
window->setView(sf::View(camera.center, view_size));
}
while (window->pollEvent(event)) {
// FIXME: refactor this nested switch clusterfuck
switch (event.type) {
case sf::Event::Closed:
window->close();
return;
case sf::Event::MouseButtonPressed:
wmouse = window->mapPixelToCoords(sf::Vector2i(event.mouseButton.x, event.mouseButton.y));
switch (event.mouseButton.button) {
case sf::Mouse::Button::Left:
select.selecting = true;
select.rect[0] = wmouse;
select.rect[1] = wmouse;
break;
case sf::Mouse::Button::Middle:
camera.panning = true;
camera.pan_ref = wmouse;
break;
default:;
}
break;
case sf::Event::MouseButtonReleased:
switch (event.mouseButton.button) {
case sf::Mouse::Button::Left:
if (select.selecting)
game->select(select.rect);
select.selecting = false;
break;
case sf::Mouse::Button::Middle:
if (camera.panning)
camera.center += compute_pan(window, camera.pan_ref);
camera.panning = false;
break;
default:;
}
break;
case sf::Event::MouseWheelScrolled:
camera.target_zoom -= event.mouseWheelScroll.delta;
if (camera.target_zoom < 0)
camera.target_zoom = 0;
if (camera.target_zoom > 11)
camera.target_zoom = 11;
break;
case sf::Event::KeyPressed:
switch (event.key.code) {
case sf::Keyboard::Key::F1:
debug_draw_cmodels ^= 1;
break;
case sf::Keyboard::Key::F2:
debug_draw_paths ^= 1;
break;
case sf::Keyboard::Key::F3:
debug_draw_tile_coords ^= 1;
break;
default:;
}
default:;
}
}
if (camera.panning) {
sf::Vector2f delta = compute_pan(window, camera.pan_ref);
window->setView(sf::View(camera.center + delta, view_size));
} else
window->setView(sf::View(camera.center, view_size));
// Compute this _after_ the setView above.
wmouse = window->mapPixelToCoords(sf::Mouse::getPosition(*window));
if (select.selecting)
select.rect[1] = wmouse;
}
} // namespace interface
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