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/*
client/mapwidget.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/mapwidget.h"
#include "client/targets.h"
#include "core/application.h"
#include "ui/paint.h"
#include "render/render.h"
#include "render/gl.h"
#include "client/targets.h"
#include "ui/ui.h"
namespace client {
MapWidget::MapWidget(ui::Widget *parent) : ui::Widget(parent)
{
set_label("mapwidget");
mapwidget_zone = 0;
mapwidget_target = 0;
mapwidget_hover_id = 0;
mapwidget_zoom = 1.0f;
}
MapWidget::~MapWidget()
{
}
void MapWidget::set_zoom(const float zoom)
{
mapwidget_zoom = zoom;
}
void MapWidget::set_target(const core::Entity *entity)
{
mapwidget_target = entity;
}
void MapWidget::set_zone(core::Zone *zone)
{
mapwidget_zone = zone;
}
bool MapWidget::on_keypress(const int key, const unsigned int modifier)
{
if (key == 512 + SDL_BUTTON_LEFT) {
if (mapwidget_zone && has_mouse_focus() && hover()) {
core::Entity *target = mapwidget_zone->find_entity(hover());
if (targets::is_valid_map_target(target)) {
set_target(target);
emit(ui::Widget::EventClicked);
}
}
return true;
}
return false;
}
void MapWidget::draw()
{
if (!mapwidget_zone)
return;
// 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 background
math::Vector2f background_size(map_size, map_size);
ui::Paint::draw_material(map_location, background_size, "ui/background");
// number of squares in one grid segment
const float grid_size = 16.0f;
// draw the grid itself
gl::color(0, 0, 0.8f);
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_entity = render::Textures::load("bitmaps/icons/entity_default");
const size_t texture_globe = render::Textures::load("bitmaps/icons/entity_globe");
const size_t texture_bright = render::Textures::load("bitmaps/icons/entity_bright");
size_t texture_current = render::Textures::bind(texture_entity);
// global mouse cursor location
const math::Vector2f cursor(ui::root()->global_mouse_coords());
mapwidget_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 = 4096.0f; // map size in game units
math::Color color;
const core::Entity *entity = 0;
// draw map icons
gl::enable(GL_TEXTURE_2D);
gl::begin(gl::Quads);
for (core::Zone::Content::iterator it = mapwidget_zone->content().begin(); it != mapwidget_zone->content().end(); it++) {
entity = (*it);
bool draw_icon = false;
icon_location.assign(map_center);
if (targets::is_valid_map_target(entity)) {
draw_icon = true;
icon_location[0] -= map_size / scale * entity->location().y();
icon_location[1] -= map_size / scale * entity->location().x();
if (math::distancesquared(cursor, icon_location) < (r*r)) {
mapwidget_hover_id = entity->id();
}
if (entity == mapwidget_target) {
if (core::application()->time() - floorf(core::application()->time()) < 0.5f) {
draw_icon = false;
}
}
}
if (draw_icon) {
if (entity->type() == core::Entity::Globe) {
if (entity->has_flag(core::Entity::Bright)) {
if (texture_current != texture_bright) {
gl::end();
texture_current = render::Textures::bind(texture_bright);
gl::begin(gl::Quads);
}
} else {
if (texture_current != texture_globe) {
gl::end();
texture_current = render::Textures::bind(texture_globe);
gl::begin(gl::Quads);
}
}
} else {
if (texture_current != texture_entity) {
gl::end();
texture_current = render::Textures::bind(texture_entity);
gl::begin(gl::Quads);
}
}
if (entity == core::localplayer()->mission_target()) {
color.assign(palette()->mission());
} else {
color.assign(entity->color());
}
color.a = 1.0f;
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();
// draw localcontrol icon
// TODO draw a ship icon
if (core::localcontrol()->zone() == mapwidget_zone) {
entity = core::localcontrol();
//if (core::localcontrol()->state() != core::Entity::Docked) {
icon_location.assign(map_center);
icon_location[0] -= map_size / scale * entity->location().y();
icon_location[1] -= map_size / scale * entity->location().x();
if (core::application()->time() - floorf(core::application()->time()) < 0.5f) {
texture_current = render::Textures::bind(texture_entity);
gl::begin(gl::Quads);
math::Color color(entity->color());
color.a = 1.0f;
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 (mapwidget_hover_id)
ui::root()->set_pointer("target", ui::Palette::Active, true);
}
}
} // namespace client
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