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#include "game.hpp"
#include <iomanip>
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(double dt)
{
sf::Vector2u size;
sf::Event event;
sf::Vector2f view_size;
v2f_t wmouse; // Mouse position in world space;
size = window->getSize();
camera.zoom = expfade(camera.zoom, camera.target_zoom, 15, dt);
{
float view_scale;
view_scale = 3 * exp(camera.zoom * 0.12);
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::Right:
game->command(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 > 17)
camera.target_zoom = 17;
break;
case sf::Event::KeyPressed:
switch (event.key.code) {
case sf::Keyboard::Key::F1:
debug_draw_cmodels ^= 1;
print("debug_draw_cmodels = " + std::to_string(debug_draw_cmodels));
break;
case sf::Keyboard::Key::F2:
debug_draw_paths ^= 1;
print("debug_draw_paths = " + std::to_string(debug_draw_paths));
break;
case sf::Keyboard::Key::F3:
debug_draw_tile_coords ^= 1;
print("debug_draw_tile_coords = " + std::to_string(debug_draw_tile_coords));
break;
case sf::Keyboard::Key::F4:
debug_AI ^= 1;
print("debug_AI = " + std::to_string(debug_AI));
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;
}
void state_t::print(std::string str)
{
log.push_back((log_entry_t){game->now, str});
std::cout << str << std::endl;
}
void state_t::render_to(render::state_t *render)
{
size_t w = window->getSize().x, h = window->getSize().y;
v2f_t x;
std::stringstream ss;
double fps;
if (select.selecting)
render->render_hlrect(select.rect, sf::Color(200, 100, 50));
window->setView(sf::View(sf::FloatRect(0, 0, w, h)));
em = std::max(w, h) * 0.017;
for (auto i = log.begin(); i != log.end(); ) {
if (i->time + 3 < game->now)
i = log.erase(i);
else
i++;
}
x = v2f_t(0.0f, 0.0f);
for (log_entry_t &entry : log) {
render->render_text(x, em, entry.text, render::ALIGN_LEFT_TOP, sf::Color::White);
x[1] += em;
}
x = v2f_t(0.0f, h - em * 1.5);
ss << "S/T/E: ";
ss << render->stats.sectors << "/";
ss << render->stats.tiles << "/";
ss << render->stats.entities;
render->render_text(x, em, ss.str(), render::ALIGN_LEFT_TOP, sf::Color::White);
perf_hist_index = (perf_hist_index + 1) % count(perf_hist);
perf_hist[perf_hist_index] = 1.0 / render->dt;
fps = 0.0;
for (size_t i = 0; i < count(perf_hist); i++)
fps += perf_hist[i];
fps /= count(perf_hist);
x[1] -= em;
ss.str(std::string());
ss << std::fixed << std::setprecision(1);
ss << "FPS: " << fps;
render->render_text(x, em, ss.str(), render::ALIGN_LEFT_TOP, sf::Color::White);
}
} // namespace interface
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