/*
   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
 */

// DPatch.h: interface for the DPatch class.
//
//////////////////////////////////////////////////////////////////////

#pragma once

#include <list>
#include <cstdlib>

typedef struct
{
	bool mergable;
	int pos1;
	int pos2;
} patch_merge_t;

typedef struct {
	float xyz[3];
	float st[2];
	float normal[3];
	float lightmap[2];
} drawVert_t;

namespace scene
{
class Node;
class Instance;
}

#define MAX_PATCH_WIDTH 32
#define MAX_PATCH_HEIGHT 32
#define MIN_PATCH_WIDTH 3
#define MIN_PATCH_HEIGHT 3

class DPatch
{
public:
	std::list<DPatch> SplitRows();
	std::list<DPatch> SplitCols();
	std::list<DPatch> Split();
	void Transpose();
//DPatch* TransposePatch(DPatch* p1);
//void DebugPrint();
	void Invert();
	DPatch* MergePatches( patch_merge_t merge_info, DPatch& p1, DPatch& p2 );
	patch_merge_t IsMergable( const DPatch& other );
	bool ResetTextures( const char *oldTextureName, const char *newTextureName );
	scene::Node* QER_entity;
	scene::Node* QER_brush;
	void LoadFromPatch( scene::Instance& patch );
	void BuildInRadiant( scene::Node* entity = NULL );
	void SetTexture( const char* textureName );
	char texture[256];
	int width, height;
	drawVert_t points[MAX_PATCH_WIDTH][MAX_PATCH_HEIGHT];
	DPatch();
	virtual ~DPatch();

};