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

#include <iostream>

// project headers
#include "gl/osiriongl.h"
#include "gl/box.h"

#include "shipdrawer.h"

Vector3f v0(1.0f, -1.0f, -1.0f);
Vector3f v1(1.0f,  1.0f, -1.0f);
Vector3f v2(1.0f,  1.0f,  1.0f);
Vector3f v3(1.0f, -1.0f,  1.0f);

Vector3f v4(-1.0f, -1.0f, -1.0f);
Vector3f v5(-1.0f,  1.0f, -1.0f);
Vector3f v6(-1.0f,  1.0f,  1.0f);
Vector3f v7(-1.0f, -1.0f,  1.0f);

ShipDrawer::ShipDrawer(Ship *s) 
{
    	angle = 0;
	ship = s;
}

ShipDrawer::~ShipDrawer() 
{
}

void ShipDrawer::draw(float elapsed) 
{
	using namespace gl;

	gl::push();

	rotate(ship->yaw, 0.0f, 1.0f, 0.0f );


	Vector3f tl(0.25, 0.125, 0.125);
	Vector3f br(-0.25, -0.125, -0.125);
	
	Box box(tl, br);
	box.draw();

	tl = Vector3f(0, 0.07, 0.25);
	br = Vector3f(-0.5, -0.07, 0.125);
	Box engine1(tl, br);
	engine1.topcolor = Color(0.7, 0.7, 0.7);
	engine1.bottomcolor = engine1.topcolor * 0.5;
	engine1.draw();

	tl = Vector3f(0, 0.07, -0.125);
	br = Vector3f(-0.5, -0.07, -0.25);
	Box engine2(tl, br);
	engine2.topcolor = engine1.topcolor;
	engine2.bottomcolor = engine1.bottomcolor;
	engine2.draw();

	tl = Vector3f(0.4, 0.07, 0.07);
	br = Vector3f(0.25, -0.07, -0.07);
	Box cockpit(tl, br);
	cockpit.topcolor = engine1.topcolor;
	cockpit.bottomcolor = engine1.bottomcolor;
	cockpit.draw();

	if(ship->thrust	> 0 ) {
		color(1.0f,0 ,0 );
		begin(Lines);
		vertex(-0.5f, 0, 0.185);
		vertex(-0.5f-0.25f*ship->thrust, 0, 0.185);
	
		vertex(-0.5f, 0, -0.185f);
		vertex(-0.5f-0.25f*ship->thrust, 0, -0.185f);
		end();
	}

	// shield rotation
    	rotate(angle, 0.0f, 1.0f, 0.0f );
    	angle += 180.0f * elapsed;
    	if( angle > 360.0f ) {
            angle -= 360.0f;
    	}
	
	// draw the shield
	color(Color(0.0f, 1.0f ,0.0f , 0.5f));
	
	begin(LineStrip);
        vertex(v0);
    	vertex(v1);
        vertex(v2);
        vertex(v3);
	vertex(v0);
	end();

	begin(LineStrip);
        vertex(v4);
    	vertex(v5);
        vertex(v6);
        vertex(v7);
	vertex(v4);
	end();

	gl::pop();
}