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/* Copyright (C) 2009 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. 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.
*
* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* A patch of terrain holding NxN MiniPatch tiles
*/
#ifndef INCLUDED_PATCH
#define INCLUDED_PATCH
#include "MiniPatch.h"
#include "RenderableObject.h"
class CTerrain;
///////////////////////////////////////////////////////////////////////////////
// Terrain Constants:
//
// PATCH_SIZE: number of tiles in each patch
const ssize_t PATCH_SIZE = 16;
// Flags for whether the patch should be drawn with a solid plane
// on each side
enum CPatchSideFlags
{
CPATCH_SIDE_NEGX = (1 << 0),
CPATCH_SIDE_POSX = (1 << 1),
CPATCH_SIDE_NEGZ = (1 << 2),
CPATCH_SIDE_POSZ = (1 << 3),
};
///////////////////////////////////////////////////////////////////////////////
// CPatch: a single terrain patch, PATCH_SIZE tiles square
class CPatch : public CRenderableObject
{
public:
// constructor
CPatch();
// destructor
~CPatch();
// initialize the patch
void Initialize(CTerrain* parent,ssize_t x,ssize_t z);
// calculate and store bounds of this patch
void CalcBounds();
public:
// minipatches (tiles) making up the patch
CMiniPatch m_MiniPatches[PATCH_SIZE][PATCH_SIZE];
// position of patch in parent terrain grid
int m_X,m_Z;
// parent terrain
CTerrain* m_Parent;
int GetSideFlags();
};
#endif
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