path: root/src/client/map.cc

/*
   client/map.cc
   This file is part of the Osirion project and is distributed under 
   the terms of the GNU General Public License version 2 
*/

#include "audio/audio.h"
#include "core/application.h"
#include "client/map.h"
#include "client/input.h"
#include "client/targets.h"
#include "ui/ui.h"
#include "ui/paint.h"
#include "render/gl.h"
#include "render/textures.h"
#include "render/text.h"

namespace client {

bool is_valid_map_target(core::Entity *entity)
{
	if (entity->serverside()) {
		return false;
	} else if (entity == core::localcontrol()) {
		return false;
	} else if (entity->flag_is_set(core::Entity::ShowOnMap)) {
		return true;
	} else 	if (entity == core::localplayer()->mission_target()) {
		return true;
	} else {
		return false;
	}
}

Map::Map(ui::Widget *parent) : ui::Window(parent)
{
	set_label("map");
	set_border(true);
	set_background(true);
	set_font(ui::root()->font_small());

	//map_target = 0;
	map_hover = 0;
	hide();
}

Map::~Map()
{
}

void Map::hide()
{
	ui::Window::hide();
	map_hover = 0;
	//map_target = 0;
}

void Map::toggle()
{
	if (visible())
		hide();
	else
		show();
}

void Map::draw()
{
	const float margin = font()->width() * 2.0f;
	const float w = width() - margin * 2.0f;
	const float h = height()  - margin * 2.0f;
	const float s = math::min(w, h);
	const float blue = 0.8f;
	const float gridsize=16;

	core::Entity *entity;
	math::Color color;

	math::Vector2f v(global_location());
	math::Vector2f l;

	v.x += margin;
	v.y += margin;
	map_hover = 0;

	if (h > s ) {
		v.y += (h-s) * 0.5f;
	} else {
		//v.x += (w-s) * 0.5f;
	}

	gl::color(0,0,blue);

	gl::begin(gl::Lines);
	for (int i=0; i <= gridsize; i++) {
	
		gl::vertex(v.x, 	v.y + s / gridsize * i);
		gl::vertex(v.x + s, 	v.y + s / gridsize * i);

		gl::vertex(v.x + s / gridsize * i, v.y);
		gl::vertex(v.x + s / gridsize * i, v.y+s);
	}
	gl::end();

	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);

	v.x += s * 0.5f;
	v.y += s * 0.5f;

	core::Zone *zone = core::localplayer()->zone();

	const math::Vector2f cursor(input::mouse_position_x(), input::mouse_position_y());

	const float r = 12.0f;
	float scale = 2048.0f;
	scale *= 2;

	gl::enable(GL_TEXTURE_2D);
	gl::begin(gl::Quads);

	// draw map icons
	bool valid_target = false;
	for (core::Zone::Content::iterator it = zone->content().begin(); it != zone->content().end(); it++) {
		entity = (*it);

		bool draw_icon = false;
		l.assign(v);

		if (is_valid_map_target(entity)) {
			draw_icon = true;	
			l.x -= s / scale * entity->location().y;
			l.y -= s / scale * entity->location().x;

			if (math::distancesquared(cursor, l) < (r*r)) {
				map_hover = entity->id();
			}

			if (entity == targets::current()) {
				valid_target = true;
				if (core::application()->time() - floorf(core::application()->time()) < 0.5f) {
					draw_icon = false;
				}
			}
		}

		if (entity == core::localcontrol()) {
			draw_icon = false;
		}

		if (draw_icon) {
			if (entity->type() == core::Entity::Globe) {
				if (entity->flag_is_set(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(l.x-r, l.y-r);
			
			glTexCoord2f(1.0f, 0.0f);
			gl::vertex(l.x+r, l.y-r);
			
			glTexCoord2f(1.0f, 1.0f);
			gl::vertex(l.x+r, l.y+r);
			
			glTexCoord2f(0.0f, 1.0f);
			gl::vertex(l.x-r, l.y+r);
		}
		
 	}

	// draw localcontrol icon
	entity = core::localcontrol();
	l.assign(v);
	l.x -= s / scale * entity->location().y;
	l.y -= s / scale * entity->location().x;
	if (core::application()->time() - floorf(core::application()->time()) < 0.5f) {
		if (texture_current  != texture_entity) {
			gl::end();
			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(l.x-r, l.y-r);
			
		glTexCoord2f(1.0f, 0.0f);
		gl::vertex(l.x+r, l.y-r);
		
		glTexCoord2f(1.0f, 1.0f);
		gl::vertex(l.x+r, l.y+r);
		
		glTexCoord2f(0.0f, 1.0f);
		gl::vertex(l.x-r, l.y+r);
	}

	gl::end();
	

	if (targets::current()) {
		l.assign(v);

		if (h > s ) {
			// target information below
			l.x -= s * 0.5f;
			l.y += s * 0.5f;

			l.y += margin;
		} else {
			// target information right
			l.x += s * 0.5f;
			l.y -= s * 0.5f;

			l.x += margin;
		}
	
		render::Text::setcolor('B');
		render::Text::setfont(font()->name().c_str(), font()->width(), font()->height());	
		render::Text::draw(l.x, l.y, targets::current()->name());
		render::Text::setcolor('N');
	}

	gl::disable(GL_TEXTURE_2D);
}

bool Map::on_keypress(const int key, const unsigned int modifier)
{	
	if (key == 512 + SDL_BUTTON_LEFT) {
		if (hover()) {
			core::Entity *target = core::localplayer()->zone()->find_entity(hover());
			if (is_valid_map_target(target)) {
				targets::select_target(target);
			}
		}
		return true;

	} else if (key == SDLK_ESCAPE) {
		if (visible()) {
			hide();
			return true;
		}
	}

	return false;
}

}