mirror of
https://github.com/ptitSeb/Serious-Engine
synced 2024-11-30 05:35:54 +01:00
74 lines
2.6 KiB
C++
Executable File
74 lines
2.6 KiB
C++
Executable File
/* Copyright (c) 2002-2012 Croteam Ltd.
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of version 2 of the GNU General Public License as published by
|
|
the Free Software Foundation
|
|
|
|
|
|
This program 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 this program; if not, write to the Free Software Foundation, Inc.,
|
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */
|
|
|
|
#ifndef SE_INCL_BSP_H
|
|
#define SE_INCL_BSP_H
|
|
#ifdef PRAGMA_ONCE
|
|
#pragma once
|
|
#endif
|
|
|
|
#include <Engine/Templates/StaticArray.h>
|
|
|
|
/*
|
|
* Template class for BSP-tree
|
|
*/
|
|
template<class Type, int iDimensions>
|
|
class BSPTree {
|
|
public:
|
|
CStaticArray< BSPNode<Type, iDimensions> > bt_abnNodes; // all nodes are stored here together here
|
|
|
|
/* Create bsp-subtree from array of polygons oriented inwards. */
|
|
BSPNode<Type, iDimensions> *CreateSubTree(CDynamicArray<BSPPolygon<Type, iDimensions> > &arbpoPolygons);
|
|
/* Move one subtree to array. */
|
|
void MoveSubTreeToArray(BSPNode<Type, iDimensions> *pbnSubtree);
|
|
/* Count nodes in subtree. */
|
|
INDEX CountNodes(BSPNode<Type, iDimensions> *pbnSubtree);
|
|
|
|
/* Move all nodes to array. */
|
|
void MoveNodesToArray(void);
|
|
|
|
public:
|
|
BSPNode<Type, iDimensions> *bt_pbnRoot; // root node of BSP-tree
|
|
|
|
/* Default constructor. */
|
|
BSPTree(void);
|
|
/* Destructor. */
|
|
~BSPTree(void);
|
|
/* Constructor with array of polygons oriented inwards. */
|
|
BSPTree(CDynamicArray<BSPPolygon<Type, iDimensions> > &arbpoPolygons);
|
|
|
|
/* Create bsp-tree from array of polygons oriented inwards. */
|
|
void Create(CDynamicArray<BSPPolygon<Type, iDimensions> > &arbpoPolygons);
|
|
/* Destroy bsp-tree. */
|
|
void Destroy(void);
|
|
// find minimum/maximum parameters of points on a line that are inside
|
|
void FindLineMinMax(
|
|
const Vector<Type, iDimensions> &v0,
|
|
const Vector<Type, iDimensions> &v1,
|
|
Type &tMin,
|
|
Type &tMax) const;
|
|
/* Test if a sphere is inside, outside, or intersecting. (Just a trivial rejection test) */
|
|
FLOAT FASTMATH TestSphere(const Vector<Type, iDimensions> &vSphereCenter, Type tSphereRadius) const;
|
|
/* Test if a box is inside, outside, or intersecting. (Just a trivial rejection test) */
|
|
FLOAT FASTMATH TestBox(const OBBox<Type> &box) const;
|
|
/* Read/write entire bsp tree to disk. */
|
|
void Read_t(CTStream &strm); // throw char *
|
|
void Write_t(CTStream &strm); // throw char *
|
|
};
|
|
|
|
|
|
#endif /* include-once check. */
|
|
|