/*
BobToolz plugin for GtkRadiant
Copyright (C) 2001 Gordon Biggans

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library 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
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

// BobView.cpp: implementation of the DVisDrawer class.
//
//////////////////////////////////////////////////////////////////////

#include "StdAfx.h"

#include "gtkr_list.h"
#include "str.h"

#include "DPoint.h"
#include "DWinding.h"
#include "DVisDrawer.h"

#include "misc.h"
#include "funchandlers.h"

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

DVisDrawer::DVisDrawer()
{
	refCount = 1;
	m_bHooked = FALSE;
	m_list = NULL;
}

DVisDrawer::~DVisDrawer()
{
	if(m_bHooked)
		UnRegister();

	g_VisView = NULL;
}

//////////////////////////////////////////////////////////////////////
// Implementation
//////////////////////////////////////////////////////////////////////

void DVisDrawer::Draw2D(VIEWTYPE vt)
{
	if(!m_list)
		return;

	__QGLTABLENAME.m_pfn_qglPushAttrib(GL_ALL_ATTRIB_BITS);

	__QGLTABLENAME.m_pfn_qglDisable(GL_BLEND);
	__QGLTABLENAME.m_pfn_qglDisable(GL_LINE_SMOOTH);

	__QGLTABLENAME.m_pfn_qglPushMatrix();
	
	switch(vt)
	{
	case XY:
		break;
	case XZ:
		__QGLTABLENAME.m_pfn_qglRotatef(270.0f, 1.0f, 0.0f, 0.0f);
		break;
	case YZ:
		__QGLTABLENAME.m_pfn_qglRotatef(270.0f, 1.0f, 0.0f, 0.0f);
		__QGLTABLENAME.m_pfn_qglRotatef(270.0f, 0.0f, 0.0f, 1.0f);
		break;
	}

	__QGLTABLENAME.m_pfn_qglLineWidth(1.0f);
	__QGLTABLENAME.m_pfn_qglColor4f(1.0f, 0.0f, 0.0f, 0.5f);

	__QGLTABLENAME.m_pfn_qglEnable(GL_BLEND);
	__QGLTABLENAME.m_pfn_qglBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
	__QGLTABLENAME.m_pfn_qglDisable(GL_POLYGON_SMOOTH);

	__QGLTABLENAME.m_pfn_qglDepthFunc(GL_ALWAYS);

	//bleh
	list<DWinding *>::const_iterator l=m_list->begin();

	for(; l != m_list->end(); l++)
	{
		DWinding* w = *l;

		__QGLTABLENAME.m_pfn_qglColor4f(w->clr[0], w->clr[1], w->clr[2], 0.5f);

		__QGLTABLENAME.m_pfn_qglBegin(GL_POLYGON);
		for(int i = 0; i < w->numpoints; i++) {
			__QGLTABLENAME.m_pfn_qglVertex3f((w->p[i])[0], (w->p[i])[1], (w->p[i])[2]);
		}
		__QGLTABLENAME.m_pfn_qglEnd();
	}

	
	__QGLTABLENAME.m_pfn_qglPopMatrix();

	__QGLTABLENAME.m_pfn_qglPopAttrib();
}

void DVisDrawer::Draw3D()
{
	if(!m_list)
		return;

	__QGLTABLENAME.m_pfn_qglPushAttrib(GL_ALL_ATTRIB_BITS);

	__QGLTABLENAME.m_pfn_qglColor4f(1.0, 0.0, 0.0, 0.5f);

//	__QGLTABLENAME.m_pfn_qglHint(GL_FOG_HINT, GL_NICEST);
	
//	__QGLTABLENAME.m_pfn_qglDisable(GL_CULL_FACE);
	__QGLTABLENAME.m_pfn_qglDisable(GL_LINE_SMOOTH);

//	__QGLTABLENAME.m_pfn_qglPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
//	__QGLTABLENAME.m_pfn_qglShadeModel(GL_SMOOTH);

	__QGLTABLENAME.m_pfn_qglEnable(GL_BLEND);
	__QGLTABLENAME.m_pfn_qglBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
	__QGLTABLENAME.m_pfn_qglDisable(GL_POLYGON_SMOOTH);

	__QGLTABLENAME.m_pfn_qglDepthFunc(GL_ALWAYS);

	//bleh
	list<DWinding *>::const_iterator l=m_list->begin();

	for(; l != m_list->end(); l++)
	{
		DWinding* w = *l;

		__QGLTABLENAME.m_pfn_qglColor4f(w->clr[0], w->clr[1], w->clr[2], 0.5f);

		__QGLTABLENAME.m_pfn_qglBegin(GL_POLYGON);
		for(int i = 0; i < w->numpoints; i++) {
			__QGLTABLENAME.m_pfn_qglVertex3f((w->p[i])[0], (w->p[i])[1], (w->p[i])[2]);
		}
		__QGLTABLENAME.m_pfn_qglEnd();
	}

	__QGLTABLENAME.m_pfn_qglPopAttrib();
}

void DVisDrawer::Register()
{
	__QGLTABLENAME.m_pfnHookGL2DWindow( this );
	__QGLTABLENAME.m_pfnHookGL3DWindow( this );
	m_bHooked = TRUE;
}

void DVisDrawer::UnRegister()
{
	__QGLTABLENAME.m_pfnUnHookGL2DWindow( this );
	__QGLTABLENAME.m_pfnUnHookGL3DWindow( this );
	m_bHooked = FALSE;
}

void DVisDrawer::SetList(std::list<DWinding*> *pointList)
{
	if(m_list)
		ClearPoints();

	m_list = pointList;
}

void DVisDrawer::ClearPoints()
{
  list<DWinding *>::const_iterator deadPoint=m_list->begin();
	for(; deadPoint!=m_list->end(); deadPoint++)
		delete *deadPoint;
	m_list->clear();
}