////////////////////////////////////////////////////////////////////////////////
//    Scorched3D (c) 2000-2003
//
//    This file is part of Scorched3D.
//
//    Scorched3D is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    Scorched3D is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with Scorched3D; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
////////////////////////////////////////////////////////////////////////////////

#include <landscape/LandscapePoints.h>
#include <landscape/LandscapeMaps.h>
#include <landscape/MapPoints.h>
#include <client/ScorchedClient.h>
#include <common/OptionsTransient.h>
#include <3dsparse/ModelRenderer.h>
#include <GLEXT/GLState.h>

LandscapePoints::LandscapePoints()
{
}

LandscapePoints::~LandscapePoints()
{
}

void LandscapePoints::draw()
{
	GLState currentState(GLState::TEXTURE_OFF);
	for (int i=0; i<(int) points_.size(); i++)
	{
		Vector &current = points_[i];
		current[2] = 
			ScorchedClient::instance()->getLandscapeMaps().getGroundMaps().getHeight(
				(int) current[0], (int) current[1]);
		glPushMatrix();
			glTranslatef(current[0], current[1], current[2]);
			glScalef(0.15f, 0.15f, 0.15f);
			switch(ScorchedClient::instance()->getOptionsTransient().getWallType())
			{
			case OptionsTransient::wallWrapAround:
				MapPoints::instance()->getBorderModelWrap()->draw();
				break;
			case OptionsTransient::wallBouncy:
				MapPoints::instance()->getBorderModelBounce()->draw();
				break;
			case OptionsTransient::wallConcrete:
				MapPoints::instance()->getBorderModelConcrete()->draw();
				break;
			default:
				break;
			}
		glPopMatrix();
	}
}

void LandscapePoints::generate()
{
	points_.clear();

	int width = ScorchedClient::instance()->getLandscapeMaps().getGroundMaps().getMapWidth();
	int height = ScorchedClient::instance()->getLandscapeMaps().getGroundMaps().getMapHeight();
	int pointsX = width / 64; // Each point is 64 units appart
	int pointsY = height / 64; // Each point is 64 units appart
	
	int i;
	for (i=0; i<pointsX; i++)
	{
		float pos = float(width) / float(pointsX-1) * float(i);

		points_.push_back(Vector(pos, 0.0f));
		points_.push_back(Vector(pos, float(height)));
	}
	for (i=1; i<pointsY-1; i++)
	{
		float pos = float(height) / float(pointsY-1) * float(i);

		points_.push_back(Vector(0.0f, pos));
		points_.push_back(Vector(float(width), pos));
	}
}