#ifndef _OVERHEAD_MAP_OPENGL_CLASS_
#define _OVERHEAD_MAP_OPENGL_CLASS_
/*

	Copyright (C) 1991-2001 and beyond by Bungie Studios, Inc.
	and the "Aleph One" developers.
 
	This program 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.

	This program 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.

	This license is contained in the file "COPYING",
	which is included with this source code; it is available online at
	http://www.gnu.org/licenses/gpl.html
	
	Overhead-Map OpenGL Class
	by Loren Petrich,
	August 3, 2000
	
	Subclass of OverheadMapClass for doing rendering in OpenGL
	
Oct 13, 2000 (Loren Petrich)
	Converted the various lists into Standard Template Library vectors
*/

#include <vector>
#include "OverheadMapRenderer.h"


class OverheadMap_OGL_Class: public OverheadMapClass
{
	void begin_overall();
	void end_overall();
	
	void begin_polygons();
	
	void draw_polygon(
		short vertex_count,
		short *vertices,
		rgb_color& color);
	
	void end_polygons();

	void DrawCachedPolygons();
	
	void begin_lines();

	void draw_line(
		short *vertices,
		rgb_color& color,
		short pen_size);

	void end_lines();	// Needed for flushing cached lines
	
	void DrawCachedLines();
	
	void draw_thing(
		world_point2d& center,
		rgb_color& color,
		short shape,
		short radius);
	
	void draw_player(
		world_point2d& center,
		angle facing,
		rgb_color& color,
		short shrink,
		short front,
		short rear,
		short rear_theta);
	
	// Text justification: 0=left, 1=center
	void draw_text(
		world_point2d& location,
		rgb_color& colorr,
		char *text,
		FontSpecifier& FontData,
		short justify);
	
	void set_path_drawing(rgb_color& color);
	void draw_path(
		short step,	// 0: first point
		world_point2d &location);
	
	void finish_path();
	
	// Cached polygons and their color
	vector<unsigned short> PolygonCache;
	rgb_color SavedColor;

	// Cached polygon lines and their width
	vector<unsigned short> LineCache;
	short SavedPenSize;
	
	// Cached lines For drawing monster paths
	vector<world_point2d> PathPoints;

public:
};

#endif
