/* -*- C++ -*-
 * Copyright ©2004 Hugo Mills <hugo@carfax.org.uk>
 *
 * This software is distributed under the terms of the GNU GPL v3
 * For more information on the GPL, see the file COPYING or 
 * visit http://www.gnu.org/
 *
 * This software is distributed without warranty
 */

#include "mdisplay.h"
#include "magellan/parsertools.h"
#include "magellan/configuration.h"
#include "plugininfo_display.h"

PluginInfo* MDisplay::getmodules(int i)
{
	if(i == 0)
	{
		PluginInfo_Display* di = new PluginInfo_Display();

		di->name = "Display Builtin";
		di->author = "Hugo Mills";
		di->version = 0x10000;
		di->parser = MDisplay::parse;
		return di;
	}
	else
		return NULL;
}

MDisplay* MDisplay::parse(
	ConfigLexer* lex,
	const std::string& type,
	const std::string& subtype
	)
{
	if(type != "")
		return NULL;

	std::string vpt, orb, cnt, prj;

	while(!lex->eos()) {
		if(readkeyedvalue(lex, "viewport", &vpt)
		   || readkeyedvalue(lex, "orbit", &orb)
		   || readkeyedvalue(lex, "content", &cnt)
		   || readkeyedvalue(lex, "projection", &prj)
			)
			;
		else
			throw(UnknownConfigToken(lex));
	}

	return new MDisplay(vpt, prj, orb, cnt);
}

MDisplay::~MDisplay()
{
	delete sphere;
}

Plugin* MDisplay::bind(Configuration* conf)
{
	if(viewport == NULL)
	{
		viewport = conf->getviewport(viewport_name);
		if(viewport == NULL)
			return NULL;
	}
	if(projection == NULL)
	{
		projection = conf->getprojection(projection_name);
		if(projection == NULL)
			return NULL;
	}
	if(orbit == NULL)
	{
		orbit = conf->getorbit(orbit_name);
		if(orbit == NULL)
			return NULL;
	}
	if(content == NULL)
	{
		content = conf->getcontent(content_name);
		if(content == NULL)
			return NULL;
	}

	sphere = new XfSphere();

	return this;
}

bool MDisplay::isbound() const
{
	return viewport != NULL
		&& projection != NULL
		&& orbit != NULL
		&& content != NULL;
}

void MDisplay::plot(Output* output, XfView* realview)
{
	if(isbound())
	{
		content->plot(output, realview, projection,
					  orbit, sphere);
	}
	else
	{
		std::cerr << "Attempt to plot an unbound MDisplay. Ignoring."
				  << std::endl;
	}
}