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/*
client/galaxymapwidget.cc
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#include "client/galaxymapwidget.h"
#include "core/application.h"
#include "ui/paint.h"
#include "render/render.h"
#include "render/gl.h"
#include "ui/ui.h"
namespace client {
GalaxyMapWidget::GalaxyMapWidget(ui::Widget *parent) : ui::Widget(parent)
{
set_label("galaxymapwidget");
galaxymapwidget_zone = 0;
galaxymapwidget_hover_id = 0;
galaxymapwidget_zoom = 1.0f;
}
GalaxyMapWidget::~GalaxyMapWidget()
{
}
void GalaxyMapWidget::set_zoom(const float zoom)
{
galaxymapwidget_zoom = zoom;
}
void GalaxyMapWidget::set_zone(core::Zone *zone)
{
galaxymapwidget_zone = zone;
}
bool GalaxyMapWidget::on_keypress(const int key, const unsigned int modifier)
{
if (key == 512 + SDL_BUTTON_LEFT) {
if (has_mouse_focus() && hover()) {
if (zone() && (zone()->id() == hover())) {
emit(ui::Widget::EventDoubleClicked);
} else {
set_zone(core::Zone::find(hover()));
emit(ui::Widget::EventClicked);
}
}
return true;
}
return false;
}
void GalaxyMapWidget::draw()
{
// size and global location of the map
const float map_size = math::min(width(), height());
math::Vector2f map_location(global_location());
if (map_size < width()) {
map_location[0] += (width() - map_size) * 0.5f;
}
if (map_size < height()) {
map_location[1] += (height() - map_size) * 0.5f;
}
// draw widget background
math::Vector2f background_size(map_size, map_size);
ui::Paint::draw_bitmap(map_location, background_size, math::Color(), "bitmaps/ui/map_background");
// number of squares in one grid segment
const float grid_size = 16.0f;
// draw the grid itself
gl::color(0, 0, 0.25f);
gl::begin(gl::Lines);
for (float i = 0; i <= grid_size; i += 1.0f) {
gl::vertex(map_location.x(), map_location.y() + map_size / grid_size * i);
gl::vertex(map_location.x() + map_size, map_location.y() + map_size / grid_size * i);
gl::vertex(map_location.x() + map_size / grid_size * i, map_location.y());
gl::vertex(map_location.x() + map_size / grid_size * i, map_location.y() + map_size);
}
gl::end();
// request required textures
const size_t texture_zone = render::Textures::load("bitmaps/icons/entity_default");
render::Textures::bind(texture_zone);
// global mouse cursor location
const math::Vector2f cursor(ui::root()->global_mouse_coords());
galaxymapwidget_hover_id = 0;
// map center
//math::Vector2f map_center(map_location[0] + map_size / 2.0f, map_location[1] + map_size / 2.0f);
math::Vector2f icon_location;
const float r = 12.0f; // radius of map icons
float scale = 1024.0f; // galaxy size (in zone location units)
math::Color color(1.0f, 1.0f, 1.0f, 1.0f);
const core::Zone *zone = 0;
// draw map icons
/*
* Note: the galactic coordinate system differs from the zone coordinate system:
* positive X-axis runs left-to-right on the screen and the positive U-axis runs bottom-to-top on the screen.
*
* This is because I'm lazy and I just copy the coordinates from the SVG starsystem roadmap as shown in Inkscape.
*/
gl::enable(GL_TEXTURE_2D);
gl::begin(gl::Quads);
for (core::Zone::Registry::iterator it = core::Zone::registry().begin(); it != core::Zone::registry().end(); it++) {
zone = (*it).second;
if (zone->has_flag(core::Zone::Hidden)) {
continue;
}
bool draw_icon = true;
icon_location.assign(map_location);
icon_location[0] += map_size / scale * zone->location().x();
icon_location[1] += map_size - map_size / scale * zone->location().y(); // flip vertically
if (math::distancesquared(cursor, icon_location) < (r*r)) {
galaxymapwidget_hover_id = zone->id();
}
if (zone == galaxymapwidget_zone) {
if (core::application()->time() - floorf(core::application()->time()) < 0.5f) {
draw_icon = false;
}
}
// TODO draw a ship icon for current location
if (draw_icon) {
color.assign(zone->color());
gl::color(color);
glTexCoord2f(0.0f, 0.0f);
gl::vertex(icon_location.x() - r, icon_location.y() - r);
glTexCoord2f(1.0f, 0.0f);
gl::vertex(icon_location.x() + r, icon_location.y() - r);
glTexCoord2f(1.0f, 1.0f);
gl::vertex(icon_location.x() + r, icon_location.y() + r);
glTexCoord2f(0.0f, 1.0f);
gl::vertex(icon_location.x() - r, icon_location.y() + r);
}
}
gl::end();
gl::disable(GL_TEXTURE_2D);
if (has_mouse_focus()) {
if (galaxymapwidget_hover_id)
ui::root()->set_pointer("action", ui::Palette::Highlight);
}
}
} // namespace client
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