mirror of
https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
synced 2024-11-13 18:59:08 +00:00
701 lines
17 KiB
C++
701 lines
17 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
|
|
// Copyright (C) 2010 Winch Gate Property Limited
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as
|
|
// published by the Free Software Foundation, either version 3 of the
|
|
// License, or (at your option) any later version.
|
|
//
|
|
// 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 Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
#include "stdpacs.h"
|
|
#include "nel/pacs/build_indoor.h"
|
|
|
|
#include "nel/pacs/collision_mesh_build.h"
|
|
#include "nel/pacs/local_retriever.h"
|
|
#include "nel/pacs/exterior_mesh.h"
|
|
|
|
using namespace std;
|
|
using namespace NLMISC;
|
|
|
|
namespace NLPACS
|
|
{
|
|
|
|
/**
|
|
* The interior surface class. Intermediate to compute real retriever surfaces
|
|
* \author Benjamin Legros
|
|
* \author Nevrax France
|
|
* \date 2001
|
|
*/
|
|
class CInteriorSurface
|
|
{
|
|
public:
|
|
/// The collision mesh root object
|
|
CCollisionMeshBuild *CollisionMeshBuild;
|
|
|
|
/// The faces that compose the surface
|
|
std::vector<uint32> Faces;
|
|
|
|
/// The Id of the surface
|
|
sint32 Id;
|
|
|
|
/// The center of the surface
|
|
NLMISC::CVector Center;
|
|
|
|
/// The material of the surface
|
|
sint32 Material;
|
|
|
|
public:
|
|
CCollisionFace &getFace(uint face) { return CollisionMeshBuild->Faces[Faces[face]]; }
|
|
CCollisionFace &getNeighbor(uint face, uint edge)
|
|
{
|
|
return CollisionMeshBuild->Faces[getFace(face).Edge[edge]];
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* The border of interior surfaces.
|
|
* \author Benjamin Legros
|
|
* \author Nevrax France
|
|
* \date 2001
|
|
*/
|
|
class CInteriorBorder
|
|
{
|
|
public:
|
|
/// The vertices that compose the border
|
|
std::vector<NLMISC::CVector> Vertices;
|
|
|
|
/// The left and right surfaces
|
|
sint32 Left, Right;
|
|
|
|
public:
|
|
};
|
|
|
|
|
|
// how to build interior snapping data
|
|
void buildSnapping(CCollisionMeshBuild &cmb, CLocalRetriever &lr);
|
|
|
|
|
|
// how to build surfaces
|
|
void buildSurfaces(CCollisionMeshBuild &cmb, CLocalRetriever &lr);
|
|
|
|
|
|
|
|
//
|
|
// functions to build interior surfaces and borders from mesh
|
|
//
|
|
|
|
// how to generate connex surfaces
|
|
void floodFillSurfaces(CCollisionMeshBuild &cmb, vector<CInteriorSurface> &surfaces)
|
|
{
|
|
sint32 currentId = 0;
|
|
|
|
uint i;
|
|
|
|
for (i=0; i<cmb.Faces.size(); ++i)
|
|
cmb.Faces[i].InternalSurface = -1;
|
|
|
|
for (i=0; i<cmb.Faces.size(); ++i)
|
|
{
|
|
CCollisionFace &face = cmb.Faces[i];
|
|
if (face.Surface == CCollisionFace::ExteriorSurface || face.InternalSurface != -1)
|
|
continue;
|
|
|
|
vector<sint32> stack;
|
|
stack.push_back(sint32(i));
|
|
face.InternalSurface = currentId;
|
|
|
|
surfaces.resize(surfaces.size()+1);
|
|
surfaces.back().Id = currentId;
|
|
surfaces.back().CollisionMeshBuild = &cmb;
|
|
surfaces.back().Material = face.Material;
|
|
|
|
while (!stack.empty())
|
|
{
|
|
uint pop = stack.back();
|
|
stack.pop_back();
|
|
|
|
surfaces.back().Faces.push_back(pop);
|
|
CCollisionFace &popFace = cmb.Faces[pop];
|
|
|
|
sint32 edge, neighb;
|
|
for (edge=0; edge<3; ++edge)
|
|
{
|
|
if ((neighb = popFace.Edge[edge]) != -1 &&
|
|
cmb.Faces[neighb].InternalSurface == -1 &&
|
|
cmb.Faces[neighb].Surface == popFace.Surface)
|
|
{
|
|
cmb.Faces[neighb].InternalSurface = currentId;
|
|
stack.push_back(neighb);
|
|
}
|
|
}
|
|
}
|
|
|
|
++currentId;
|
|
}
|
|
}
|
|
|
|
|
|
// reset the edge flags of the whole collision mesh build
|
|
void resetEdgeFlags(CCollisionMeshBuild &cmb)
|
|
{
|
|
uint face, edge;
|
|
|
|
for (face=0; face<cmb.Faces.size(); ++face)
|
|
for (edge=0; edge<3; ++edge)
|
|
cmb.Faces[face].EdgeFlags[edge] = false;
|
|
}
|
|
|
|
|
|
|
|
// how to generate the borders of a given surface
|
|
|
|
void followBorder(CInteriorSurface &surface, uint first, uint edge, uint sens, vector<CVector> &vstore, bool &loop)
|
|
{
|
|
CCollisionFace *current = &surface.getFace(first);
|
|
CCollisionFace *next = (current->Edge[edge] == -1) ? NULL : &surface.CollisionMeshBuild->Faces[current->Edge[edge]];
|
|
current->EdgeFlags[edge] = true;
|
|
sint32 currentFace = surface.Faces[first];
|
|
|
|
const sint32 currentSurfId = current->InternalSurface;
|
|
const sint32 oppositeSurfId = (next != NULL) ? next->InternalSurface : (current->Visibility[edge] ? -1 : -2);
|
|
sint oedge;
|
|
|
|
sint pivot = (edge+sens)%3;
|
|
sint nextEdge = edge;
|
|
|
|
bool allowThis = true;
|
|
|
|
// adds the pivot to the border and its normal
|
|
vstore.push_back(surface.CollisionMeshBuild->Vertices[current->V[pivot]]);
|
|
|
|
for(;;)
|
|
{
|
|
loop = false;
|
|
// -1 means no neighbor at all, -2 means a neighbor that is not available yet
|
|
sint32 thisOpposite = (next != NULL) ? next->InternalSurface : (current->Visibility[nextEdge] ? -1 : -2);
|
|
if ((thisOpposite != currentSurfId && thisOpposite != oppositeSurfId) ||
|
|
(loop = (current->EdgeFlags[nextEdge] && !allowThis)))
|
|
{
|
|
// if reaches the end of the border, then quits.
|
|
break;
|
|
}
|
|
else if (thisOpposite == oppositeSurfId)
|
|
{
|
|
// if the next edge belongs to the border, then go on the same element
|
|
current->EdgeFlags[nextEdge] = true;
|
|
if (oppositeSurfId >= 0)
|
|
{
|
|
for (oedge=0; oedge<3 && next->Edge[oedge]!=currentFace; ++oedge)
|
|
;
|
|
nlassert(oedge != 3);
|
|
nlassert(allowThis || !next->EdgeFlags[oedge]);
|
|
next->EdgeFlags[oedge] = true;
|
|
}
|
|
pivot = (pivot+sens)%3;
|
|
nextEdge = (nextEdge+sens)%3;
|
|
next = (current->Edge[nextEdge] == -1) ? NULL : &surface.CollisionMeshBuild->Faces[current->Edge[nextEdge]];
|
|
vstore.push_back(surface.CollisionMeshBuild->Vertices[current->V[pivot]]);
|
|
}
|
|
else
|
|
{
|
|
// if the next element is inside the surface, then go to the next element
|
|
nlassert(next->InternalSurface == currentSurfId);
|
|
|
|
for (oedge=0; oedge<3 && next->Edge[oedge]!=currentFace; ++oedge)
|
|
;
|
|
nlassert(oedge != 3);
|
|
currentFace = current->Edge[nextEdge];
|
|
current = next;
|
|
pivot = (oedge+3-sens)%3;
|
|
nextEdge = (oedge+sens)%3;
|
|
next = (current->Edge[nextEdge] == -1) ? NULL : &surface.CollisionMeshBuild->Faces[current->Edge[nextEdge]];
|
|
}
|
|
|
|
allowThis = false;
|
|
}
|
|
}
|
|
|
|
|
|
void computeSurfaceBorders(CInteriorSurface &surface, vector<CInteriorBorder> &borders)
|
|
{
|
|
uint face, edge;
|
|
|
|
for (face=0; face<surface.Faces.size(); ++face)
|
|
{
|
|
// for each element,
|
|
// scan for a edge that points to a different surface
|
|
CCollisionFace &cf = surface.getFace(face);
|
|
|
|
for (edge=0; edge<3; ++edge)
|
|
{
|
|
if ((cf.Edge[edge] == -1 || surface.getNeighbor(face, edge).InternalSurface != surface.Id) &&
|
|
!cf.EdgeFlags[edge])
|
|
{
|
|
borders.resize(borders.size()+1);
|
|
CInteriorBorder &border = borders.back();
|
|
|
|
border.Left = cf.InternalSurface;
|
|
|
|
if (cf.Edge[edge] == -1)
|
|
{
|
|
// link on a neighbor retriever or not at all
|
|
border.Right = cf.Visibility[edge] ? -1 : -2;
|
|
}
|
|
else
|
|
{
|
|
// link on the neighbor surface
|
|
border.Right = surface.CollisionMeshBuild->Faces[cf.Edge[edge]].InternalSurface;
|
|
}
|
|
|
|
nldebug("generate border %d (%d-%d)", borders.size()-1, border.Left, border.Right);
|
|
|
|
bool loop;
|
|
vector<CVector> bwdVerts;
|
|
vector<CVector> &fwdVerts = border.Vertices;
|
|
|
|
followBorder(surface, face, edge, 2, bwdVerts, loop);
|
|
|
|
sint i;
|
|
|
|
fwdVerts.reserve(bwdVerts.size());
|
|
fwdVerts.clear();
|
|
|
|
for (i=(sint)(bwdVerts.size()-1); i>=0; --i)
|
|
{
|
|
fwdVerts.push_back(bwdVerts[i]);
|
|
}
|
|
|
|
if (loop)
|
|
{
|
|
fwdVerts.push_back(fwdVerts.front());
|
|
}
|
|
else
|
|
{
|
|
fwdVerts.resize(fwdVerts.size()-2);
|
|
followBorder(surface, face, edge, 1, fwdVerts, loop);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void computeSurfaceCenter(CInteriorSurface &surface)
|
|
{
|
|
CCollisionMeshBuild &cmb = *(surface.CollisionMeshBuild);
|
|
|
|
CVector center = CVector::Null;
|
|
float totalWeight = 0.0f;
|
|
|
|
uint i, j;
|
|
|
|
for (i=0; i<surface.Faces.size(); ++i)
|
|
{
|
|
CCollisionFace &face = surface.getFace(i);
|
|
CVector v[3];
|
|
|
|
for (j=0; j<3; ++j)
|
|
v[j] = cmb.Vertices[face.V[j]];
|
|
|
|
float weight = ((v[2]-v[0])^(v[1]-v[0])).norm();
|
|
|
|
center += (v[0]+v[1]+v[2])*(weight/3.0f);
|
|
totalWeight += weight;
|
|
}
|
|
|
|
surface.Center = center/totalWeight;
|
|
}
|
|
|
|
|
|
void computeSurfaceQuadTree(CInteriorSurface &surface, CSurfaceQuadTree &quad)
|
|
{
|
|
uint i, j;
|
|
|
|
CAABBox box;
|
|
bool first = true;
|
|
for (i=0; i<surface.Faces.size(); ++i)
|
|
{
|
|
for (j=0; j<3; ++j)
|
|
{
|
|
const CVector &v = surface.CollisionMeshBuild->Vertices[surface.CollisionMeshBuild->Faces[surface.Faces[i]].V[j]];
|
|
if (first)
|
|
box.setCenter(v), first=false;
|
|
else
|
|
box.extend(v);
|
|
}
|
|
}
|
|
|
|
quad.clear();
|
|
quad.init(4.0f, 6, box.getCenter(), std::max(box.getHalfSize().x, box.getHalfSize().y));
|
|
|
|
for (i=0; i<surface.Faces.size(); ++i)
|
|
{
|
|
for (j=0; j<3; ++j)
|
|
{
|
|
const CVector &v = surface.CollisionMeshBuild->Vertices[surface.CollisionMeshBuild->Faces[surface.Faces[i]].V[j]];
|
|
quad.addVertex(v);
|
|
}
|
|
}
|
|
|
|
quad.compile();
|
|
}
|
|
|
|
|
|
void buildSurfaces(CCollisionMeshBuild &cmb, CLocalRetriever &lr)
|
|
{
|
|
vector<CInteriorSurface> surfaces;
|
|
vector<CInteriorBorder> borders;
|
|
|
|
floodFillSurfaces(cmb, surfaces);
|
|
|
|
resetEdgeFlags(cmb);
|
|
|
|
uint surf, bord;
|
|
|
|
for (surf=0; surf<surfaces.size(); ++surf)
|
|
{
|
|
CSurfaceQuadTree quad;
|
|
computeSurfaceBorders(surfaces[surf], borders);
|
|
computeSurfaceCenter(surfaces[surf]);
|
|
computeSurfaceQuadTree(surfaces[surf], quad);
|
|
lr.addSurface(0, 0, (uint8)surfaces[surf].Material, 0, 0, false, 0.0f, false, surfaces[surf].Center, quad);
|
|
//lr.addSurface(0, 0, (uint8)surfaces[surf].Material, 0, 0, false, 0.0f, /*false,*/ surfaces[surf].Center, quad);
|
|
}
|
|
|
|
sint numBorderChains = 0;
|
|
|
|
for (bord=0; bord<borders.size(); ++bord)
|
|
{
|
|
sint32 left = borders[bord].Left;
|
|
sint32 right = (borders[bord].Right == -2) ? CChain::convertBorderChainId(numBorderChains++) : borders[bord].Right;
|
|
|
|
if (left<0 || left>=(sint)surfaces.size() ||
|
|
right>(sint)surfaces.size())
|
|
nlstop;
|
|
|
|
lr.addChain(borders[bord].Vertices, left, right);
|
|
}
|
|
}
|
|
|
|
|
|
//
|
|
|
|
void buildSnapping(CCollisionMeshBuild &cmb, CLocalRetriever &lr)
|
|
{
|
|
// copy the vertices
|
|
lr.getInteriorVertices() = cmb.Vertices;
|
|
|
|
// create the faces
|
|
uint i;
|
|
vector<CLocalRetriever::CInteriorFace> &faces = lr.getInteriorFaces();
|
|
for (i=0; i<cmb.Faces.size(); ++i)
|
|
{
|
|
faces.push_back(CLocalRetriever::CInteriorFace());
|
|
faces.back().Verts[0] = cmb.Faces[i].V[0];
|
|
faces.back().Verts[1] = cmb.Faces[i].V[1];
|
|
faces.back().Verts[2] = cmb.Faces[i].V[2];
|
|
faces.back().Surface = cmb.Faces[i].InternalSurface;
|
|
}
|
|
|
|
// create the face grid
|
|
lr.initFaceGrid();
|
|
}
|
|
|
|
|
|
//
|
|
// functions to build local retrievers
|
|
//
|
|
|
|
void buildExteriorMesh(CCollisionMeshBuild &cmb, CExteriorMesh &em)
|
|
{
|
|
// find the first non interior face
|
|
uint i,
|
|
edge = 0;
|
|
|
|
vector<CExteriorMesh::CEdge> edges;
|
|
uint numLink = 0;
|
|
|
|
for (i=0; i<cmb.Faces.size(); ++i)
|
|
{
|
|
cmb.Faces[i].EdgeFlags[0] = false;
|
|
cmb.Faces[i].EdgeFlags[1] = false;
|
|
cmb.Faces[i].EdgeFlags[2] = false;
|
|
}
|
|
|
|
i = 0;
|
|
|
|
for(;;)
|
|
{
|
|
bool found = false;
|
|
for (; i<cmb.Faces.size() && !found; ++i)
|
|
{
|
|
if (cmb.Faces[i].Surface != CCollisionFace::ExteriorSurface)
|
|
continue;
|
|
|
|
for (edge=0; edge<3 && !found; ++edge)
|
|
if (cmb.Faces[i].Edge[edge] == -1 && !cmb.Faces[i].EdgeFlags[edge])
|
|
{
|
|
found = true;
|
|
break;
|
|
}
|
|
|
|
if (found)
|
|
break;
|
|
}
|
|
|
|
//
|
|
if (!found)
|
|
break;
|
|
|
|
sint32 current = i;
|
|
sint32 next = cmb.Faces[current].Edge[edge];
|
|
|
|
sint oedge;
|
|
sint pivot = (edge+1)%3;
|
|
sint nextEdge = edge;
|
|
|
|
uint firstExtEdge = (uint)edges.size();
|
|
|
|
for(;;)
|
|
{
|
|
if (cmb.Faces[current].EdgeFlags[nextEdge])
|
|
{
|
|
// if reaches the end of the border, then quits.
|
|
break;
|
|
}
|
|
else if (next == -1)
|
|
{
|
|
// if the next edge belongs to the border, then go on the same element
|
|
cmb.Faces[current].EdgeFlags[nextEdge] = true;
|
|
sint link = (cmb.Faces[current].Visibility[nextEdge]) ? -1 : sint((numLink++));
|
|
edges.push_back(CExteriorMesh::CEdge(cmb.Vertices[cmb.Faces[current].V[pivot]], link));
|
|
nldebug("border: vertex=%d (%.2f,%.2f,%.2f) link=%d", cmb.Faces[current].V[pivot], cmb.Vertices[cmb.Faces[current].V[pivot]].x, cmb.Vertices[cmb.Faces[current].V[pivot]].y, cmb.Vertices[cmb.Faces[current].V[pivot]].z, link);
|
|
pivot = (pivot+1)%3;
|
|
nextEdge = (nextEdge+1)%3;
|
|
next = cmb.Faces[current].Edge[nextEdge];
|
|
}
|
|
else
|
|
{
|
|
// if the next element is inside the surface, then go to the next element
|
|
for (oedge=0; oedge<3 && cmb.Faces[next].Edge[oedge]!=current; ++oedge)
|
|
;
|
|
nlassert(oedge != 3);
|
|
current = next;
|
|
pivot = (oedge+2)%3;
|
|
nextEdge = (oedge+1)%3;
|
|
next = cmb.Faces[current].Edge[nextEdge];
|
|
}
|
|
}
|
|
|
|
edges.push_back(edges[firstExtEdge]);
|
|
edges.back().Link = -2;
|
|
}
|
|
|
|
em.setEdges(edges);
|
|
}
|
|
|
|
|
|
//
|
|
void linkExteriorToInterior(CLocalRetriever &lr)
|
|
{
|
|
CExteriorMesh em = lr.getExteriorMesh();
|
|
vector<CExteriorMesh::CEdge> edges = em.getEdges();
|
|
vector<CExteriorMesh::CLink> links;
|
|
const vector<CChain> &chains = lr.getChains();
|
|
const vector<COrderedChain3f> &ochains = lr.getFullOrderedChains();
|
|
const vector<uint16> &bchains = lr.getBorderChains();
|
|
|
|
{
|
|
uint i;
|
|
|
|
for (i=0; i<bchains.size(); ++i)
|
|
{
|
|
static char buf[512], w[256];
|
|
const CChain &chain = chains[bchains[i]];
|
|
sprintf(buf, "chain=%d ", bchains[i]);
|
|
uint och;
|
|
for (och=0; och<chain.getSubChains().size(); ++och)
|
|
{
|
|
const COrderedChain3f &ochain = ochains[chain.getSubChain(och)];
|
|
sprintf(w, "subchain=%d", chain.getSubChain(och));
|
|
strcat(buf, w);
|
|
uint v;
|
|
for (v=0; v<ochain.getVertices().size(); ++v)
|
|
{
|
|
sprintf(w, " (%.2f,%.2f)", ochain[v].x, ochain[v].y);
|
|
strcat(buf, w);
|
|
}
|
|
}
|
|
|
|
nlinfo("%s", buf);
|
|
}
|
|
}
|
|
|
|
uint edge, ch;
|
|
for (edge=0; edge+1<edges.size(); ++edge)
|
|
{
|
|
if (edges[edge].Link == -1)
|
|
continue;
|
|
|
|
CVector start = edges[edge].Start, stop = edges[edge+1].Start;
|
|
bool found = false;
|
|
|
|
for (ch=0; ch<bchains.size() && !found; ++ch)
|
|
{
|
|
// get the border chain.
|
|
//const CChain &chain = chains[bchains[ch]];
|
|
|
|
const CVector &cstart = lr.getStartVector(bchains[ch]),
|
|
&cstop = lr.getStopVector(bchains[ch]);
|
|
|
|
float d = (start-cstart).norm()+(stop-cstop).norm();
|
|
if (d < 1.0e-1f)
|
|
{
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// create a link
|
|
CExteriorMesh::CLink link;
|
|
|
|
if (!found)
|
|
{
|
|
nlwarning("in linkInteriorToExterior():");
|
|
nlwarning("couldn't find any link to the exterior edge %d!!", edge);
|
|
}
|
|
else
|
|
{
|
|
// set it up to point on the chain and surface
|
|
link.BorderChainId = uint16(ch);
|
|
link.ChainId = bchains[ch];
|
|
link.SurfaceId = (uint16)chains[link.ChainId].getLeft();
|
|
}
|
|
|
|
// enlarge the links
|
|
if (edges[edge].Link >= (sint)links.size())
|
|
links.resize(edges[edge].Link+1);
|
|
|
|
// if the link already exists, warning
|
|
if (links[edges[edge].Link].BorderChainId != 0xFFFF ||
|
|
links[edges[edge].Link].ChainId != 0xFFFF ||
|
|
links[edges[edge].Link].SurfaceId != 0xFFFF)
|
|
{
|
|
nlwarning("in linkInteriorToExterior():");
|
|
nlwarning("link %d already set!!", edges[edge].Link);
|
|
}
|
|
|
|
// setup the link
|
|
links[edges[edge].Link] = link;
|
|
}
|
|
|
|
em.setEdges(edges);
|
|
em.setLinks(links);
|
|
lr.setExteriorMesh(em);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
//
|
|
bool computeRetriever(CCollisionMeshBuild &cmb, CLocalRetriever &lr, CVector &translation, string &error, bool useCmbTrivialTranslation)
|
|
{
|
|
// set the retriever
|
|
lr.setType(CLocalRetriever::Interior);
|
|
|
|
// if should use the own cmb bbox, then compute it
|
|
if (useCmbTrivialTranslation)
|
|
{
|
|
translation = cmb.computeTrivialTranslation();
|
|
// snap the translation vector to a meter wide grid
|
|
translation.x = (float)ceil(translation.x);
|
|
translation.y = (float)ceil(translation.y);
|
|
translation.z = 0.0f;
|
|
}
|
|
|
|
vector<string> errors;
|
|
|
|
cmb.link(false, errors);
|
|
cmb.link(true, errors);
|
|
|
|
if (!errors.empty())
|
|
{
|
|
nlwarning("Edge issues reported !!");
|
|
uint i;
|
|
error = "";
|
|
for (i=0; i<errors.size(); ++i)
|
|
error += errors[i]+"\n";
|
|
return false;
|
|
}
|
|
|
|
// translate the meshbuild to the local axis
|
|
cmb.translate(translation);
|
|
|
|
// find the exterior mesh border
|
|
CExteriorMesh extMesh;
|
|
buildExteriorMesh(cmb, extMesh);
|
|
lr.setExteriorMesh(extMesh);
|
|
|
|
// build the surfaces in the local retriever
|
|
buildSurfaces(cmb, lr);
|
|
|
|
// create the snapping faces and vertices
|
|
// after the build surfaces because the InternalSurfaceId is filled within buildSurfaces()...
|
|
buildSnapping(cmb, lr);
|
|
|
|
//
|
|
lr.computeLoopsAndTips();
|
|
|
|
lr.findBorderChains();
|
|
lr.updateChainIds();
|
|
lr.computeTopologies();
|
|
|
|
lr.unify();
|
|
|
|
lr.computeCollisionChainQuad();
|
|
/*
|
|
//
|
|
for (i=0; i<lr.getSurfaces().size(); ++i)
|
|
lr.dumpSurface(i);
|
|
*/
|
|
//
|
|
linkExteriorToInterior(lr);
|
|
|
|
// compute the bbox of the retriever
|
|
uint i, j;
|
|
CAABBox bbox;
|
|
bool first = true;
|
|
|
|
for (i=0; i<extMesh.getEdges().size(); ++i)
|
|
if (!first)
|
|
bbox.extend(extMesh.getEdge(i).Start);
|
|
else
|
|
bbox.setCenter(extMesh.getEdge(i).Start), first=false;
|
|
|
|
for (i=0; i<lr.getOrderedChains().size(); ++i)
|
|
for (j=0; j<lr.getOrderedChain(i).getVertices().size(); ++j)
|
|
if (!first)
|
|
bbox.extend(lr.getOrderedChain(i)[j].unpack3f());
|
|
else
|
|
bbox.setCenter(lr.getOrderedChain(i)[j].unpack3f()), first=false;
|
|
|
|
CVector bboxhs = bbox.getHalfSize();
|
|
bboxhs.z = 10000.0f;
|
|
bbox.setHalfSize(bboxhs);
|
|
|
|
lr.setBBox(bbox);
|
|
|
|
return true;
|
|
}
|
|
|
|
} // NLPACS
|
|
|