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136 lines
4.1 KiB
C++
136 lines
4.1 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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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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#ifndef NL_TILE_ELEMENT_H
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#define NL_TILE_ELEMENT_H
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#include "nel/misc/types_nl.h"
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#include "nel/misc/stream.h"
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namespace NL3D
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{
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#define NL_TILE_ELM_MASK_ROTATE 0x03
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#define NL_TILE_ELM_OFFSET_ROTATE 0
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#define NL_TILE_ELM_SIZE_ROTATE 2
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#define NL_TILE_ELM_MASK_UVINFO 0x07
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#define NL_TILE_ELM_OFFSET_UVINFO 6
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#define NL_TILE_ELM_SIZE_UVINFO 3
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#define NL_TILE_ELM_MASK_SUBNOISE 0x0F
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#define NL_TILE_ELM_OFFSET_SUBNOISE 9
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#define NL_TILE_ELM_SIZE_SUBNOISE 4
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/** Micro-veget specific. Tells whether it is disabled, above water (the default), under water, or if it intersects a water surface.
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* This state is represented encoded as an enum in CTileElement
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*/
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#define NL_TILE_ELM_OFFSET_VEGETABLE 13 // start at the 14 th bit
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#define NL_TILE_ELM_MASK_VEGETABLE 0X03 // takes 2 bits
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#define NL_TILE_ELM_SIZE_VEGETABLE 2
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#define NL_TILE_ELM_LAYER_EMPTY 0xffff
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// ***************************************************************************
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/**
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* An Element for CPatchTexture. Temporary! since CPatchTexture should be compressed...
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* NB: no default ctor => must init all fields.
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* \author Lionel Berenguier
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* \author Nevrax France
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* \date 2000
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*/
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class CTileElement
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{
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private:
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uint16 Flags; // Tile Orientation, and Tile 256x256 UV offset.
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public:
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/// Copy this tile flags from an other tile
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void copyFlagsFromOther(const CTileElement &other) { Flags = other.Flags; }
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/** The three tile ident. NL_TILE_ELM_LAYER_EMPTY means no Tile for this pass. Tile[0] should be !=NL_TILE_ELM_LAYER_EMPTY.
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* Else cross are drawn...
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*/
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uint16 Tile[3];
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/** Set the tile orientation of pass i, to "orient".
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* orient E [0,3]. The rotation is CCW.
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*/
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void setTileOrient(sint i, uint8 orient);
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/** Get the tile orientation of pass i.
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* orient E [0,3]. The rotation is CCW.
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*/
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uint8 getTileOrient(sint i) const;
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/** Set the tile 256x256 information of pass 0.
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*
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* NB: During UV computing, orient is applied first, then tile256x256 uvOffset (only if the tile is 256x256).
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* \param is256x256 is this tile a part of a 256x256
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* \param uvOff the UV offset of tile 256x256. uvOff E [0,3]. Meanings:
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* ---------
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* | 0 | 3 |
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* |___|___|
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* | | |
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* | 1 | 2 |
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* ---------
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*
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*/
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void setTile256Info(bool is256x256, uint8 uvOff=0);
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/** Get the tile 256x256 information.
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*/
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void getTile256Info(bool &is256x256, uint8 &uvOff) const;
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/** Set the tile SubNoise. subNoise E [0, 15].
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*/
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void setTileSubNoise(uint8 subNoise);
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/** Get the tile SubNoise information.
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*/
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uint8 getTileSubNoise() const
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{
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return ((Flags>>NL_TILE_ELM_OFFSET_SUBNOISE) & NL_TILE_ELM_MASK_SUBNOISE);
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}
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void serial(NLMISC::IStream &f);
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/// Micro vegetation position. Above water is the default
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enum TVegetableInfo { AboveWater = 0, UnderWater, IntersectWater, VegetableDisabled, VegetInfoLast };
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/// Set the micro vegetation state
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void setVegetableState(TVegetableInfo state);
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/// Get the micro vegetable state for this tile
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TVegetableInfo getVegetableState() const
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{
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return (TVegetableInfo) ((Flags >> NL_TILE_ELM_OFFSET_VEGETABLE) & NL_TILE_ELM_MASK_VEGETABLE);
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}
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};
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} // NL3D
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#endif // NL_TILE_ELEMENT_H
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/* End of tile_element.h */
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