/*
===========================================================================

Doom 3 GPL Source Code
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.

This file is part of the Doom 3 GPL Source Code (?Doom 3 Source Code?).

Doom 3 Source Code 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 3 of the License, or
(at your option) any later version.

Doom 3 Source Code 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 Doom 3 Source Code.  If not, see <http://www.gnu.org/licenses/>.

In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code.  If not, please request a copy in writing from id Software at the address below.

If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.

===========================================================================
*/

#include "precompiled.h"
#pragma hdrstop

#include "dmap.h"

#if 0
#include <windows.h>
#include <GL/gl.h>
#include <GL/glu.h>
//#include <GL/glaux.h>

#define	WIN_SIZE	1024

void Draw_ClearWindow()
{

	if( !dmapGlobals.drawflag )
	{
		return;
	}
	
	glDrawBuffer( GL_FRONT );
	
	GL_Set2D();
	
	glClearColor( 0.5, 0.5, 0.5, 0 );
	glClear( GL_COLOR_BUFFER_BIT );
	
#if 0
	int		w, h, g;
	float	mx, my;
	
	w = ( dmapGlobals.drawBounds.b[1][0] - dmapGlobals.drawBounds.b[0][0] );
	h = ( dmapGlobals.drawBounds.b[1][1] - dmapGlobals.drawBounds.b[0][1] );
	
	mx = dmapGlobals.drawBounds.b[0][0] + w / 2;
	my = dmapGlobals.drawBounds.b[1][1] + h / 2;
	
	g = w > h ? w : h;
	
	glLoadIdentity();
	gluPerspective( 90,  1,  2,  16384 );
	gluLookAt( mx, my, draw_maxs[2] + g / 2, mx , my, draw_maxs[2], 0, 1, 0 );
#else
	glMatrixMode( GL_PROJECTION );
	glLoadIdentity();
	glOrtho( dmapGlobals.drawBounds[0][0], dmapGlobals.drawBounds[1][0],
			 dmapGlobals.drawBounds[0][1], dmapGlobals.drawBounds[1][1],
			 -1, 1 );
	glMatrixMode( GL_MODELVIEW );
	glLoadIdentity();
#endif
	glColor3f( 0, 0, 0 );
//	glPolygonMode (GL_FRONT_AND_BACK, GL_LINE);
	glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
	glDisable( GL_DEPTH_TEST );
//	glEnable (GL_BLEND);
	glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
	
#if 0
//glColor4f (1,0,0,0.5);
//	glBegin( GL_LINE_LOOP );
	glBegin( GL_QUADS );
	
	glVertex2f( dmapGlobals.drawBounds.b[0][0] + 20, dmapGlobals.drawBounds.b[0][1] + 20 );
	glVertex2f( dmapGlobals.drawBounds.b[1][0] - 20, dmapGlobals.drawBounds.b[0][1] + 20 );
	glVertex2f( dmapGlobals.drawBounds.b[1][0] - 20, dmapGlobals.drawBounds.b[1][1] - 20 );
	glVertex2f( dmapGlobals.drawBounds.b[0][0] + 20, dmapGlobals.drawBounds.b[1][1] - 20 );
	
	glEnd();
#endif
	
	glFlush();
	
}

void Draw_SetRed()
{
	if( !dmapGlobals.drawflag )
		return;
		
	glColor3f( 1, 0, 0 );
}

void Draw_SetGrey()
{
	if( !dmapGlobals.drawflag )
		return;
		
	glColor3f( 0.5f, 0.5f, 0.5f );
}

void Draw_SetBlack()
{
	if( !dmapGlobals.drawflag )
		return;
		
	glColor3f( 0.0f, 0.0f, 0.0f );
}

void DrawWinding( const idWinding* w )
{
	int		i;
	
	if( !dmapGlobals.drawflag )
		return;
		
	glColor3f( 0.3f, 0.0f, 0.0f );
	glBegin( GL_POLYGON );
	for( i = 0; i < w->GetNumPoints(); i++ )
		glVertex3f( ( *w )[i][0], ( *w )[i][1], ( *w )[i][2] );
	glEnd();
	
	glColor3f( 1, 0, 0 );
	glBegin( GL_LINE_LOOP );
	for( i = 0; i < w->GetNumPoints(); i++ )
		glVertex3f( ( *w )[i][0], ( *w )[i][1], ( *w )[i][2] );
	glEnd();
	
	glFlush();
}

void DrawAuxWinding( const idWinding* w )
{
	int		i;
	
	if( !dmapGlobals.drawflag )
		return;
		
	glColor3f( 0.0f, 0.3f, 0.0f );
	glBegin( GL_POLYGON );
	for( i = 0; i < w->GetNumPoints(); i++ )
		glVertex3f( ( *w )[i][0], ( *w )[i][1], ( *w )[i][2] );
	glEnd();
	
	glColor3f( 0.0f, 1.0f, 0.0f );
	glBegin( GL_LINE_LOOP );
	for( i = 0; i < w->GetNumPoints(); i++ )
		glVertex3f( ( *w )[i][0], ( *w )[i][1], ( *w )[i][2] );
	glEnd();
	
	glFlush();
}

void DrawLine( idVec3 v1, idVec3 v2, int color )
{
	if( !dmapGlobals.drawflag )
		return;
		
	switch( color )
	{
		case 0:
			glColor3f( 0, 0, 0 );
			break;
		case 1:
			glColor3f( 0, 0, 1 );
			break;
		case 2:
			glColor3f( 0, 1, 0 );
			break;
		case 3:
			glColor3f( 0, 1, 1 );
			break;
		case 4:
			glColor3f( 1, 0, 0 );
			break;
		case 5:
			glColor3f( 1, 0, 1 );
			break;
		case 6:
			glColor3f( 1, 1, 0 );
			break;
		case 7:
			glColor3f( 1, 1, 1 );
			break;
	}
	
	
	glBegin( GL_LINES );
	
	glVertex3fv( v1.ToFloatPtr() );
	glVertex3fv( v2.ToFloatPtr() );
	
	glEnd();
	glFlush();
}

//============================================================

#define	GLSERV_PORT	25001

bool	wins_init;
int			draw_socket;

void GLS_BeginScene()
{
	WSADATA	winsockdata;
	WORD	wVersionRequested;
	struct sockaddr_in	address;
	int		r;
	
	if( !wins_init )
	{
		wins_init = true;
		
		wVersionRequested = MAKEWORD( 1, 1 );
		
		r = WSAStartup( MAKEWORD( 1, 1 ), &winsockdata );
		
		if( r )
			common->Error( "Winsock initialization failed." );
			
	}
	
	// connect a socket to the server
	
	draw_socket = socket( PF_INET, SOCK_STREAM, IPPROTO_TCP );
	if( draw_socket == -1 )
		common->Error( "draw_socket failed" );
		
	address.sin_family = AF_INET;
	address.sin_addr.s_addr = htonl( INADDR_LOOPBACK );
	address.sin_port = GLSERV_PORT;
	r = connect( draw_socket, ( struct sockaddr* )&address, sizeof( address ) );
	if( r == -1 )
	{
		closesocket( draw_socket );
		draw_socket = 0;
	}
}

void GLS_Winding( const idWinding* w, int code )
{
	byte	buf[1024];
	int		i, j;
	
	if( !draw_socket )
		return;
		
	( ( int* )buf )[0] = w->GetNumPoints();
	( ( int* )buf )[1] = code;
	for( i = 0; i < w->GetNumPoints(); i++ )
		for( j = 0 ; j < 3 ; j++ )
			( ( float* )buf )[2 + i * 3 + j] = ( *w )[i][j];
			
	send( draw_socket, ( const char* )buf, w->GetNumPoints() * 12 + 8, 0 );
}

void GLS_Triangle( const mapTri_t* tri, int code )
{
	idWinding w;
	
	w.SetNumPoints( 3 );
	w[0] = tri->v[0].xyz;
	w[1] = tri->v[1].xyz;
	w[2] = tri->v[2].xyz;
	GLS_Winding( &w, code );
}

void GLS_EndScene()
{
	closesocket( draw_socket );
	draw_socket = 0;
}

#else

void Draw_ClearWindow()
{
}

void DrawWinding( const idWinding* w )
{
}

void DrawAuxWinding( const idWinding* w )
{
}

void GLS_Winding( const idWinding* w, int code )
{
}

void GLS_BeginScene()
{
}

void GLS_EndScene()
{
}

#endif