89 lines
2.5 KiB
C++
89 lines
2.5 KiB
C++
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// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "stdpch.h"
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#include "fog_of_war.h"
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// ****************************************************************************
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IFogOfWar::IFogOfWar()
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{
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MapWidth = MapHeight = 0;
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MinX = MinY = MaxX = MaxY = 0.0f;
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}
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// ****************************************************************************
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IFogOfWar::~IFogOfWar()
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{
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}
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// ****************************************************************************
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void IFogOfWar::explore(float worldPosX, float worldPosY)
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{
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uint8 *pData = getData();
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if (pData == NULL)
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return;
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if ((worldPosX < MinX) ||
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(worldPosX > MaxX) ||
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(worldPosY < MinY) ||
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(worldPosY > MaxY))
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return;
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sint16 w = MapWidth;
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sint16 h = MapHeight;
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sint16 bmpPosX = sint16(sint32((w-1) * (worldPosX - MinX) / (MaxX - MinX) + 0.5));
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sint16 bmpPosY = sint16(sint32((h-1) * (worldPosY - MinY) / (MaxY - MinY) + 0.5));
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sint16 wReal = getRealWidth();
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if ((bmpPosX >= 0) && (bmpPosX < w) &&
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(bmpPosY >= 0) && (bmpPosY < h))
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if (pData[bmpPosX+bmpPosY*wReal] == 0)
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{
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pData[bmpPosX+bmpPosY*wReal] = 255;
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explored(bmpPosX, bmpPosY); // Launch callback
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}
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}
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// ****************************************************************************
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void IFogOfWar::serial(class NLMISC::IStream &f) throw(NLMISC::EStream)
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{
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f.serialVersion(0);
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f.serial(MapWidth);
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f.serial(MapHeight);
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f.serial(MinX);
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f.serial(MinY);
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f.serial(MaxX);
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f.serial(MaxY);
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if (f.isReading())
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if ((MapWidth != 0) && (MapHeight != 0))
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createData(MapWidth, MapHeight);
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if (getData() == NULL)
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{
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nlwarning("cannot save fog of war texture");
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return;
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}
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for (uint16 i = 0; i < MapHeight; ++i)
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f.serialBuffer(getData()+getRealWidth()*i, MapWidth);
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}
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