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99 lines
4.2 KiB
C++
99 lines
4.2 KiB
C++
/*
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* Copyright (C) 2005-2010 MaNGOS <http://getmangos.com/>
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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 General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _BASEMODEL_H_
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#define _BASEMODEL_H_
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#include <G3D/AABox.h>
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#include <G3D/Vector3.h>
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#include "ShortVector.h"
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#include "ShortBox.h"
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#include "TreeNode.h"
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/**
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A model is based on triangles. To be able to check intersection we need a BSP-Tree.
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This Class holds the array of triangles as well as the management information for the BSP-Tree.
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Both are stored in static array and index information is used instead of pointers.
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Therefore we can load the whole object as a binary block.
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The vectors are relative to a base position.
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*/
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namespace VMAP
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{
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class BaseModel
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{
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protected:
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TriangleBox *iTriangles;
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TreeNode *iTreeNodes;
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unsigned int iNTriangles;
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unsigned int iNNodes;
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G3D::Vector3 iBasePosition;
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public:
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BaseModel() { iNTriangles = 0; iNNodes = 0; iTriangles = 0; iTreeNodes = 0;};
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BaseModel(unsigned int pNNodes , TreeNode* pTreeNode, unsigned int pNTriangles, TriangleBox* pTriangleBox)
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{
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iNNodes = pNNodes; iNTriangles = pNTriangles; iTriangles = pTriangleBox; iTreeNodes = pTreeNode;
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};
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BaseModel(unsigned int pNNodes, unsigned int pNTriangles);
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// destructor does nothing ! The subclass controles the array memory and knows when to free it
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~BaseModel() {}
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void free();
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void init(unsigned int pNNodes, unsigned int pNTriangles);
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void getMember(G3D::Array<TriangleBox>& pMembers);
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inline const TriangleBox& getTriangle(int pPos) const { return(iTriangles[pPos]); }
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inline TriangleBox& getTriangle(int pPos) { return(iTriangles[pPos]); }
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inline void setTriangle(const TriangleBox& pTriangleBox, int pPos) { iTriangles[pPos] = pTriangleBox; }
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inline const TreeNode& getTreeNode(int pPos) const { return(getTreeNodes()[pPos]); }
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inline TreeNode& getTreeNode(int pPos) { return(getTreeNodes()[pPos]); }
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inline void setTreeNode(const TreeNode& pTreeNode, int pPos) { getTreeNodes()[pPos] = pTreeNode; }
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inline void setBasePosition(const G3D::Vector3& pBasePosition) { iBasePosition = pBasePosition; }
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inline const G3D::Vector3& getBasePosition() const { return(iBasePosition); }
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inline unsigned int getNNodes() const { return(iNNodes); }
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inline unsigned int getNTriangles() const { return(iNTriangles); }
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inline void setNNodes(unsigned int pNNodes) { iNNodes = pNNodes; }
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inline void setNTriangles(unsigned int pNTriangles) { iNTriangles = pNTriangles; }
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inline void setTriangleArray(TriangleBox *pGlobalTriangleArray ) { iTriangles = pGlobalTriangleArray ; }
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inline void setTreeNodeArray(TreeNode *pGlobalTreeNodeArray ) { iTreeNodes = pGlobalTreeNodeArray ; }
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inline TriangleBox* getTriangles() const { return(iTriangles); }
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inline TreeNode* getTreeNodes() const{ return(iTreeNodes); }
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inline size_t getMemUsage() { return(iNTriangles * sizeof(TriangleBox) + iNNodes * sizeof(TreeNode) + sizeof(BaseModel)); }
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void intersect(const G3D::AABox& pBox, const G3D::Ray& pRay, float& pMaxDist, G3D::Vector3& pOutLocation, G3D::Vector3& pOutNormal) const;
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bool intersect(const G3D::AABox& pBox, const G3D::Ray& pRay, float& pMaxDist) const;
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};
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}
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#endif /*BASEMODEL_H_*/
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