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Documentation                       Search   hrc_trav.h Go to the documentation of this file. /* Copyright, 2000 Nevrax Ltd. * * This file is part of NEVRAX NEL. * NEVRAX NEL 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, or (at your option) * any later version. * NEVRAX NEL 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 NEVRAX NEL; see the file COPYING. If not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, * MA 02111-1307, USA. */ #ifndef NL_HRC_TRAV_H #define NL_HRC_TRAV_H #include "3d/trav_scene.h" #include "nel/misc/matrix.h" #include "nel/misc/debug.h" namespace NL3D { using NLMISC::CVector; using NLMISC::CPlane; using NLMISC::CMatrix; class IBaseHrcObs; class CSkipModel; class IBaseClipObs; class IBaseAnimDetailObs; // *************************************************************************** // ClassIds. const NLMISC::CClassId HrcTravId=NLMISC::CClassId(0x5ad56382, 0x2a711530); // *************************************************************************** class CHrcTrav : public ITravScene { public: enum TVisibility { Show=0, // The model is shown in hte hierarchy Hide, // The model is hidden in hte hierarchy Herit, // The model herit the visibilty from his father VisibilityCount }; public: CHrcTrav() { // NB: Now, observers update is done before ALL traversals. // Hence, we must inc the value before scene rendering. This is equivalent to start with 1, and inc at end of traverse(). CurrentDate= 1; } IObs *createDefaultObs() const; NLMISC::CClassId getClassId() const {return HrcTravId;} sint getRenderOrder() const {return 1000;} void traverse(); public: std::vector<IModel*> _MovingObjects; // ONLY FOR OBSERVERS. sint64 CurrentDate; // The current date of the traversal, usefull for matrix update. }; // *************************************************************************** class IBaseHrcObs : public IObs { public: IBaseClipObs *ClipObs; IBaseAnimDetailObs *AnimDetailObs; public: CMatrix LocalMatrix; CHrcTrav::TVisibility LocalVis; // The visibility state of the node. sint64 LocalDate; // The update date of the LocalMatrix. CMatrix WorldMatrix; bool WorldVis; // Is the node visible? (enabled?) sint64 WorldDate; // The update date of the WorldMatrix. public: IBaseHrcObs() { LocalVis= CHrcTrav::Herit; LocalMatrix.identity(); LocalDate=0; WorldVis= true; WorldMatrix.identity(); // Init the WorldDate to -1 so at first pass, LocalDate>WorldDate, and so // the model will be processed and so it'll may be inserted in LightingManager (for example) WorldDate=-1; } virtual void init(); virtual void traverse(IObs *caller) =0; // @{ virtual void addParent(IObs *father); // @} }; // *************************************************************************** class CDefaultHrcObs : public IBaseHrcObs { public: CDefaultHrcObs() {} virtual void traverse(IObs *caller) { // DoIt the sons. traverseSons(); } }; } #endif // NL_HRC_TRAV_H /* End of hrc_trav.h */