2010-05-06 00:08:41 +00:00
// 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/misc/plane.h"
# include "local_retriever.h"
# include "collision_desc.h"
# include "retriever_instance.h"
# include "nel/misc/hierarchical_timer.h"
using namespace std ;
using namespace NLMISC ;
/// The max distance allowed to merge tips.
const float NLPACS : : CLocalRetriever : : _TipThreshold = 0.1f ;
const float NLPACS : : CLocalRetriever : : _EdgeTipThreshold = 0.1f ;
/// The threshold distance to insure a position belongs to a surface
const float InsurePositionThreshold = 2.0e-2 f ;
//static float hybrid2dNorm(const CVector &v)
//{
// return (float)(sqrt(sqr(v.x)+sqr(v.y))+fabs(v.z)*0.1);
//}
NLPACS : : CLocalRetriever : : CLocalRetriever ( )
{
_Type = Landscape ;
_Loaded = false ;
LoadCheckFlag = false ;
}
void NLPACS : : CLocalRetriever : : clear ( )
{
contReset ( _OrderedChains ) ;
contReset ( _FullOrderedChains ) ;
contReset ( _Chains ) ;
contReset ( _Surfaces ) ;
contReset ( __Tips ) ;
contReset ( _BorderChains ) ;
uint i ;
for ( i = 0 ; i < NumMaxCreatureModels ; + + i )
contReset ( _Topologies [ i ] ) ;
_ChainQuad . clear ( ) ;
_ExteriorMesh . clear ( ) ;
contReset ( _InteriorVertices ) ;
contReset ( _InteriorFaces ) ;
_FaceGrid . clear ( ) ;
_Id . resize ( 0 ) ;
_Loaded = false ;
LoadCheckFlag = false ;
}
const CVector & NLPACS : : CLocalRetriever : : getStartVector ( uint32 chain ) const
{
const COrderedChain3f & ochain = _FullOrderedChains [ _Chains [ chain ] . getSubChains ( ) . front ( ) ] ;
return ( ochain . isForward ( ) ) ? ochain . getVertices ( ) . front ( ) : ochain . getVertices ( ) . back ( ) ;
}
const CVector & NLPACS : : CLocalRetriever : : getStopVector ( uint32 chain ) const
{
const COrderedChain3f & ochain = _FullOrderedChains [ _Chains [ chain ] . getSubChains ( ) . back ( ) ] ;
return ( ochain . isForward ( ) ) ? ochain . getVertices ( ) . back ( ) : ochain . getVertices ( ) . front ( ) ;
}
const CVector & NLPACS : : CLocalRetriever : : getStartVector ( uint32 chain , sint32 surface ) const
{
bool onLeft = _Chains [ chain ] . getLeft ( ) = = surface ;
const COrderedChain3f & ochain = onLeft ? _FullOrderedChains [ _Chains [ chain ] . getSubChains ( ) . front ( ) ] :
_FullOrderedChains [ _Chains [ chain ] . getSubChains ( ) . back ( ) ] ;
2010-05-14 09:41:28 +00:00
if ( ochain . isForward ( ) = = onLeft )
2010-05-06 00:08:41 +00:00
return ochain . getVertices ( ) . front ( ) ;
else
return ochain . getVertices ( ) . back ( ) ;
}
const CVector & NLPACS : : CLocalRetriever : : getStopVector ( uint32 chain , sint32 surface ) const
{
bool onLeft = _Chains [ chain ] . getLeft ( ) = = surface ;
const COrderedChain3f & ochain = onLeft ? _FullOrderedChains [ _Chains [ chain ] . getSubChains ( ) . back ( ) ] :
_FullOrderedChains [ _Chains [ chain ] . getSubChains ( ) . front ( ) ] ;
2010-05-14 09:41:28 +00:00
if ( ochain . isForward ( ) = = onLeft )
2010-05-06 00:08:41 +00:00
return ochain . getVertices ( ) . back ( ) ;
else
return ochain . getVertices ( ) . front ( ) ;
}
/*
uint16 NLPACS : : CLocalRetriever : : getStartTip ( uint32 chain , sint32 surface ) const
{
return ( _Chains [ chain ] . getLeft ( ) = = surface ) ? _Chains [ chain ] . getStartTip ( ) : _Chains [ chain ] . getStopTip ( ) ;
}
uint16 NLPACS : : CLocalRetriever : : getStopTip ( uint32 chain , sint32 surface ) const
{
return ( _Chains [ chain ] . getLeft ( ) = = surface ) ? _Chains [ chain ] . getStopTip ( ) : _Chains [ chain ] . getStartTip ( ) ;
}
void NLPACS : : CLocalRetriever : : setStartTip ( uint32 chain , sint32 surface , uint16 startTip )
{
if ( _Chains [ chain ] . getLeft ( ) = = surface )
_Chains [ chain ] . _StartTip = startTip ;
else
_Chains [ chain ] . _StopTip = startTip ;
}
void NLPACS : : CLocalRetriever : : setStopTip ( uint32 chain , sint32 surface , uint16 stopTip )
{
if ( _Chains [ chain ] . getLeft ( ) = = surface )
_Chains [ chain ] . _StopTip = stopTip ;
else
_Chains [ chain ] . _StartTip = stopTip ;
}
*/
uint32 NLPACS : : CLocalRetriever : : getPreviousChain ( uint32 chain , sint32 surface ) const
{
uint loop ;
uint loopIndex ;
if ( _Chains [ chain ] . getLeft ( ) = = surface )
{
loop = _Chains [ chain ] . _LeftLoop ;
loopIndex = _Chains [ chain ] . _LeftLoopIndex ;
}
else
{
loop = _Chains [ chain ] . _RightLoop ;
loopIndex = _Chains [ chain ] . _RightLoopIndex ;
}
const CRetrievableSurface & surf = _Surfaces [ surface ] ;
const CRetrievableSurface : : TLoop & sLoop = surf . _Loops [ loop ] ;
return surf . _Chains [ sLoop [ ( loopIndex + sLoop . size ( ) - 1 ) % sLoop . size ( ) ] ] . Chain ;
}
uint32 NLPACS : : CLocalRetriever : : getNextChain ( uint32 chain , sint32 surface ) const
{
uint loop ;
uint loopIndex ;
if ( _Chains [ chain ] . getLeft ( ) = = surface )
{
loop = _Chains [ chain ] . _LeftLoop ;
loopIndex = _Chains [ chain ] . _LeftLoopIndex ;
}
else
{
loop = _Chains [ chain ] . _RightLoop ;
loopIndex = _Chains [ chain ] . _RightLoopIndex ;
}
const CRetrievableSurface & surf = _Surfaces [ surface ] ;
const CRetrievableSurface : : TLoop & sLoop = surf . _Loops [ loop ] ;
return surf . _Chains [ sLoop [ ( loopIndex + 1 ) % sLoop . size ( ) ] ] . Chain ;
}
void NLPACS : : CLocalRetriever : : unify ( )
{
/*
uint i , j ;
for ( i = 0 ; i < _Chains . size ( ) ; + + i )
_Chains [ i ] . unify ( _OrderedChains ) ;
for ( i = 0 ; i < _Tips . size ( ) ; + + i )
{
NLPACS : : CLocalRetriever : : CTip & tip = _Tips [ i ] ;
CVector2s ptip = tip . Point ;
for ( j = 0 ; j < tip . Chains . size ( ) ; + + j )
{
if ( tip . Chains [ j ] . Start )
{
if ( _Chains [ tip . Chains [ j ] . Chain ] . getStartVector ( _OrderedChains ) ! = ptip )
nlwarning ( " chain %d is not stuck to tip %d " , tip . Chains [ j ] . Chain , i ) ;
_Chains [ tip . Chains [ j ] . Chain ] . setStartVector ( ptip , _OrderedChains ) ;
}
else
{
if ( _Chains [ tip . Chains [ j ] . Chain ] . getStopVector ( _OrderedChains ) ! = ptip )
nlwarning ( " chain %d is not stuck to tip %d " , tip . Chains [ j ] . Chain , i ) ;
_Chains [ tip . Chains [ j ] . Chain ] . setStopVector ( ptip , _OrderedChains ) ;
}
}
}
_FullOrderedChains . resize ( _OrderedChains . size ( ) ) ;
for ( i = 0 ; i < _OrderedChains . size ( ) ; + + i )
_FullOrderedChains [ i ] . unpack ( _OrderedChains [ i ] ) ;
*/
}
void NLPACS : : CLocalRetriever : : dumpSurface ( uint surf , const CVector & vect ) const
{
const CRetrievableSurface & surface = _Surfaces [ surf ] ;
nlinfo ( " dump surf %d " , surf ) ;
nlinfo ( " %d chains, %d loops " , surface . _Chains . size ( ) , surface . _Loops . size ( ) ) ;
uint i , j , k ;
for ( i = 0 ; i < surface . _Chains . size ( ) ; + + i )
{
uint chainId = surface . _Chains [ i ] . Chain ;
const CChain & chain = _Chains [ chainId ] ;
nlinfo ( " -- chain %d[%d]: %d sub left=%d right=%d start=%d stop=%d " , i , chainId , chain . getSubChains ( ) . size ( ) , chain . getLeft ( ) , chain . getRight ( ) , chain . getStartTip ( ) , chain . getStopTip ( ) ) ;
for ( j = 0 ; j < chain . getSubChains ( ) . size ( ) ; + + j )
{
const COrderedChain3f & ochain = _FullOrderedChains [ chain . getSubChain ( j ) ] ;
const COrderedChain & ochains = _OrderedChains [ chain . getSubChain ( j ) ] ;
nlinfo ( " subchain %d[%d]: fwd=%d parent=%d idx=%d " , j , chain . getSubChain ( j ) , ochain . isForward ( ) , ochain . getParentId ( ) , ochain . getIndexInParent ( ) ) ;
for ( k = 0 ; k < ochain . getVertices ( ) . size ( ) ; + + k )
nlinfo ( " v[%d]=(%.3f,%.3f,%.3f) (%d,%d) " , k , ochain . getVertices ( ) [ k ] . x + vect . x , ochain . getVertices ( ) [ k ] . y + vect . y , ochain . getVertices ( ) [ k ] . z + vect . z , ochains . getVertices ( ) [ k ] . x , ochains . getVertices ( ) [ k ] . y ) ;
}
}
for ( i = 0 ; i < surface . _Loops . size ( ) ; + + i )
{
const CRetrievableSurface : : TLoop & loop = surface . _Loops [ i ] ;
nlinfo ( " -- loop %d: %d chains length=%.2f " , i , loop . size ( ) , loop . Length ) ;
static char wbuffer [ 256 ] ;
static char buffer [ 10240 ] ;
sprintf ( buffer , " chains: " ) ;
for ( j = 0 ; j < loop . size ( ) ; + + j )
{
sprintf ( wbuffer , " %d[%d] " , loop [ j ] , surface . _Chains [ loop [ j ] ] . Chain ) ;
strcat ( buffer , wbuffer ) ;
}
nlinfo ( " %s " , buffer ) ;
}
}
float NLPACS : : CLocalRetriever : : distanceToBorder ( const ULocalPosition & pos ) const
{
if ( ! isLoaded ( ) )
return 0.0f ;
const CRetrievableSurface & surf = _Surfaces [ pos . Surface ] ;
uint i , j ;
float minDist = 1.0e10 f , dist ;
for ( i = 0 ; i < surf . _Chains . size ( ) ; + + i )
{
const CChain & chain = _Chains [ surf . _Chains [ i ] . Chain ] ;
for ( j = 0 ; j < chain . getSubChains ( ) . size ( ) ; + + j )
{
dist = _OrderedChains [ chain . getSubChain ( j ) ] . distance ( pos . Estimation ) ;
if ( dist < minDist )
{
minDist = dist ;
}
}
}
return minDist ;
}
sint32 NLPACS : : CLocalRetriever : : addSurface ( uint8 normalq , uint8 orientationq ,
uint8 mat , uint8 charact , uint8 level ,
bool isUnderWater , float waterHeight ,
bool clusterHint ,
const CVector & center ,
const NLPACS : : CSurfaceQuadTree & quad ,
sint8 quantHeight )
{
// creates a new surface...
2010-05-13 20:23:34 +00:00
sint32 newId = ( sint32 ) _Surfaces . size ( ) ;
2010-05-06 00:08:41 +00:00
_Surfaces . resize ( newId + 1 ) ;
CRetrievableSurface & surf = _Surfaces . back ( ) ;
// ... and fills it
surf . _NormalQuanta = normalq ;
surf . _OrientationQuanta = orientationq ;
surf . _Material = mat ;
surf . _Character = charact ;
surf . _Level = level ;
surf . _Quad = quad ;
surf . _Center = center ;
surf . _QuantHeight = quantHeight ;
// WARNING!! MODIFY THESE IF QUANTAS VALUES CHANGE !!
surf . _IsFloor = ( surf . _NormalQuanta < = 1 ) ;
surf . _IsCeiling = ( surf . _NormalQuanta > = 3 ) ;
surf . _Flags = 0 ;
surf . _Flags | = ( surf . _IsFloor ) ? ( 1 < < CRetrievableSurface : : IsFloorBit ) : 0 ;
surf . _Flags | = ( surf . _IsCeiling ) ? ( 1 < < CRetrievableSurface : : IsCeilingBit ) : 0 ;
surf . _Flags | = ( ! surf . _IsFloor & & ! surf . _IsCeiling ) ? ( 1 < < CRetrievableSurface : : IsSlantBit ) : 0 ;
surf . _Flags | = clusterHint ? ( 1 < < CRetrievableSurface : : ClusterHintBit ) : 0 ;
surf . _Flags | = ( isUnderWater ) ? ( 1 < < CRetrievableSurface : : IsUnderWaterBit ) : 0 ;
surf . _WaterHeight = waterHeight ;
surf . _Flags | = ( ( 0xffffffff < < ( CRetrievableSurface : : NormalQuantasStartBit ) ) & CRetrievableSurface : : NormalQuantasBitMask ) ;
return newId ;
}
sint32 NLPACS : : CLocalRetriever : : addChain ( const vector < CVector > & verts ,
sint32 left , sint32 right )
{
vector < CVector > vertices = verts ;
uint i ;
if ( vertices . size ( ) < 2 )
{
nlwarning ( " in NLPACS::CLocalRetriever::addChain() " ) ;
nlwarning ( " The chain has less than 2 vertices " ) ;
return - 1 ;
}
// Remove doubled vertices due to CVector2s snapping
vector < CVector2s > converts ;
for ( i = 0 ; i < vertices . size ( ) ; + + i )
converts . push_back ( CVector2s ( vertices [ i ] ) ) ;
vector < CVector2s > : : iterator next2s = converts . begin ( ) , it2s , prev2s ;
prev2s = next2s ; + + next2s ;
it2s = next2s ; + + next2s ;
vector < CVector > : : iterator it3f = vertices . begin ( ) ;
CVector prev3f = * it3f ;
+ + it3f ;
for ( ; it2s ! = converts . end ( ) & & next2s ! = converts . end ( ) ; )
{
// if the next point is equal to the previous
if ( * it2s = = * prev2s | | * it2s = = * next2s )
{
// then remove the next point
it2s = converts . erase ( it2s ) ;
it3f = vertices . erase ( it3f ) ;
prev2s = it2s ;
- - prev2s ;
next2s = it2s ;
+ + next2s ;
}
else
{
// else remember the next point, and step to the next...
+ + prev2s ;
+ + it2s ;
+ + next2s ;
+ + it3f ;
prev3f = * it3f ;
}
}
if ( vertices . size ( ) < 2 )
{
nlwarning ( " in NLPACS::CLocalRetriever::addChain() " ) ;
nlwarning ( " The chain was snapped to a single point " ) ;
return - 1 ;
}
2010-05-13 20:23:34 +00:00
sint32 newId = ( sint32 ) _Chains . size ( ) ;
2010-05-06 00:08:41 +00:00
_Chains . resize ( newId + 1 ) ;
CChain & chain = _Chains . back ( ) ;
if ( left > ( sint ) _Surfaces . size ( ) )
nlerror ( " left surface id MUST be id<%d (id=%d) " , _Surfaces . size ( ) , left ) ;
if ( right > ( sint ) _Surfaces . size ( ) )
nlerror ( " right surface id MUST be id<%d (id=%d) " , _Surfaces . size ( ) , right ) ;
// checks if we can build the chain.
if ( newId > 65535 )
nlerror ( " in NLPACS::CLocalRetriever::addChain(): reached the maximum number of chains " ) ;
CRetrievableSurface * leftSurface = ( left > = 0 ) ? & ( _Surfaces [ left ] ) : NULL ;
CRetrievableSurface * rightSurface = ( right > = 0 ) ? & ( _Surfaces [ right ] ) : NULL ;
// adds the chain and the link to the surface links vector.
if ( leftSurface ! = NULL )
leftSurface - > _Chains . push_back ( CRetrievableSurface : : CSurfaceLink ( newId , right ) ) ;
if ( rightSurface ! = NULL )
rightSurface - > _Chains . push_back ( CRetrievableSurface : : CSurfaceLink ( newId , left ) ) ;
chain . _StartTip = 0xffff ;
chain . _StopTip = 0xffff ;
// make the chain and its subchains.
vector < uint > empty ;
chain . make ( vertices , left , right , _OrderedChains , ( uint16 ) newId , _FullOrderedChains , empty ) ;
return newId ;
}
void NLPACS : : CLocalRetriever : : computeLoopsAndTips ( )
{
// for each surface,
// examine each chain tip to match another tip inside the surface tips
// if there is no matching tip, then creates a new one
uint i , j ;
for ( i = 0 ; i < _Surfaces . size ( ) ; + + i )
{
CRetrievableSurface & surface = _Surfaces [ i ] ;
vector < bool > chainFlags ;
chainFlags . resize ( surface . _Chains . size ( ) ) ;
for ( j = 0 ; j < chainFlags . size ( ) ; + + j )
chainFlags [ j ] = false ;
uint totalAdded = 0 ;
for ( ; ; )
{
for ( j = 0 ; j < chainFlags . size ( ) & & chainFlags [ j ] ; + + j )
;
if ( j = = chainFlags . size ( ) )
break ;
2010-05-13 20:23:34 +00:00
uint32 loopId = ( uint32 ) surface . _Loops . size ( ) ;
2010-05-06 00:08:41 +00:00
surface . _Loops . push_back ( CRetrievableSurface : : TLoop ( ) ) ;
CRetrievableSurface : : TLoop & loop = surface . _Loops . back ( ) ;
CVector loopStart = getStartVector ( surface . _Chains [ j ] . Chain , i ) ;
CVector currentEnd = getStopVector ( surface . _Chains [ j ] . Chain , i ) ;
2010-05-13 20:23:34 +00:00
_Chains [ surface . _Chains [ j ] . Chain ] . setLoopIndexes ( i , loopId , ( uint ) loop . size ( ) ) ;
2010-05-06 00:08:41 +00:00
loop . push_back ( uint16 ( j ) ) ;
chainFlags [ j ] = true ;
float loopCloseDistance ;
for ( ; ; )
{
// loopCloseDistance = hybrid2dNorm(loopStart-currentEnd);
loopCloseDistance = ( loopStart - currentEnd ) . norm ( ) ;
// choose the best matching start vector
sint bestChain = - 1 ;
float best = 1.0e10 f ;
CVector thisStart ;
for ( j = 0 ; j < chainFlags . size ( ) ; + + j )
{
if ( chainFlags [ j ] )
continue ;
thisStart = getStartVector ( surface . _Chains [ j ] . Chain , i ) ;
// float d = hybrid2dNorm(thisStart-currentEnd);
float d = ( thisStart - currentEnd ) . norm ( ) ;
if ( d < best )
{
best = d ;
bestChain = j ;
}
}
if ( ( bestChain = = - 1 | | best > 4.0e-2 f ) & & loopCloseDistance > 4.0e-2 f )
{
nlwarning ( " in NLPACS::CLocalRetriever::computeTips() " ) ;
dumpSurface ( i ) ;
for ( j = 0 ; j < surface . _Chains . size ( ) ; + + j )
{
CVector start = getStartVector ( surface . _Chains [ j ] . Chain , i ) ;
CVector end = getStopVector ( surface . _Chains [ j ] . Chain , i ) ;
nlinfo ( " surf=%d chain=%d " , i , surface . _Chains [ j ] . Chain ) ;
nlinfo ( " start=(%f,%f,%f) " , start . x , start . y , start . z ) ;
nlinfo ( " end=(%f,%f,%f) " , end . x , end . y , end . z ) ;
}
nlwarning ( " bestChain=%d best=%f " , bestChain , best ) ;
nlwarning ( " loopCloseDistance=%f " , loopCloseDistance ) ;
nlerror ( " Couldn't close loop on surface=%d " , i ) ;
}
2010-05-14 09:41:28 +00:00
else if ( ( best > 1.0e0 f & & loopCloseDistance < 3.0e-2 f ) | |
2010-05-06 00:08:41 +00:00
loopCloseDistance < 1.0e-3 f )
{
break ;
}
currentEnd = getStopVector ( surface . _Chains [ bestChain ] . Chain , i ) ;
2010-05-13 20:23:34 +00:00
_Chains [ surface . _Chains [ bestChain ] . Chain ] . setLoopIndexes ( i , loopId , ( uint ) loop . size ( ) ) ;
2010-05-06 00:08:41 +00:00
loop . push_back ( uint16 ( bestChain ) ) ;
chainFlags [ bestChain ] = true ;
+ + totalAdded ;
}
}
}
/*
dumpSurface ( 9 ) ;
dumpSurface ( 10 ) ;
for ( i = 0 ; i < _Chains . size ( ) ; + + i )
{
if ( i = = 127 )
nlinfo ( " " ) ;
uint whichTip ;
// for both tips (start and stop)
for ( whichTip = 0 ; whichTip < = 1 ; + + whichTip )
{
// get the tip id
uint thisTip = ( whichTip ) ? _Chains [ i ] . getStopTip ( ) : _Chains [ i ] . getStartTip ( ) ;
if ( thisTip ! = 0xffff & & thisTip > = _Tips . size ( ) )
{
nlwarning ( " in NLPACS::CLocalRetriever::computeLoopsAndTips() " ) ;
nlerror ( " checked a tip that doesn't exist on chain %d (tipId=%d) " , i , thisTip ) ;
}
// if it is unaffected yet creates an new tip and affect it to the common chains
if ( thisTip = = 0xffff )
{
uint turn ;
uint tipId = _Tips . size ( ) ;
if ( tipId = = 62 )
nlinfo ( " " ) ;
_Tips . resize ( tipId + 1 ) ;
CTip & tip = _Tips [ tipId ] ;
tip . Point = ( whichTip ) ? getStopVector ( i ) : getStartVector ( i ) ;
for ( turn = 0 ; turn < = 1 ; + + turn )
{
uint chain = i ;
//
if ( whichTip )
_Chains [ chain ] . _StopTip = tipId ;
else
_Chains [ chain ] . _StartTip = tipId ;
sint32 surf = ( ! turn & & ! whichTip | | turn & & whichTip ) ? _Chains [ chain ] . getLeft ( ) : _Chains [ chain ] . getRight ( ) ;
while ( surf > = 0 )
{
CChain & nextChain = ( turn ) ? _Chains [ chain = getNextChain ( chain , surf ) ] : _Chains [ chain = getPreviousChain ( chain , surf ) ] ;
bool isForward = ( nextChain . getLeft ( ) = = surf ) ; // tells if the left surf is the current surf
bool selectTip = isForward & & ! turn | | ! isForward & & turn ;
uint16 & tipRef = selectTip ? nextChain . _StopTip : nextChain . _StartTip ;
surf = ( isForward ) ? nextChain . getRight ( ) : nextChain . getLeft ( ) ;
if ( tipRef ! = 0xffff & & tipRef ! = tipId )
{
nlwarning ( " in NLPACS::CLocalRetriever::computeLoopsAndTips() " ) ;
nlerror ( " Trying to setup a already created tip (tipId=%d, previous=%d) " , tipId , tipRef ) ;
}
else if ( tipRef ! = 0xffff )
{
break ;
}
tipRef = tipId ;
}
}
}
}
}
for ( i = 0 ; i < _Chains . size ( ) ; + + i )
{
uint startTip = _Chains [ i ] . getStartTip ( ) ,
stopTip = _Chains [ i ] . getStopTip ( ) ;
// if (_Chains[i].getEdge() >= 0 && startTip == stopTip)
// {
// nlwarning("NLPACS::CLocalRetriever::computeLoopsAndTips(): chain %d on edge %d has same StartTip and StopTip", i, _Chains[i].getEdge(), startTip, stopTip);
// }
_Tips [ startTip ] . Chains . push_back ( CTip : : CChainTip ( i , true ) ) ;
_Tips [ stopTip ] . Chains . push_back ( CTip : : CChainTip ( i , false ) ) ;
}
*/
for ( i = 0 ; i < _Surfaces . size ( ) ; + + i )
{
for ( j = 0 ; j < _Surfaces [ i ] . _Loops . size ( ) ; + + j )
{
_Surfaces [ i ] . _Loops [ j ] . Length = 0.0f ;
uint k ;
for ( k = 0 ; k < _Surfaces [ i ] . _Loops [ j ] . size ( ) ; + + k )
_Surfaces [ i ] . _Loops [ j ] . Length + = _Chains [ _Surfaces [ i ] . _Chains [ _Surfaces [ i ] . _Loops [ j ] [ k ] ] . Chain ] . getLength ( ) ;
}
}
}
//
void NLPACS : : CLocalRetriever : : buildSurfacePolygons ( uint32 surface , list < CPolygon > & polygons ) const
{
const CRetrievableSurface & surf = _Surfaces [ surface ] ;
uint i , j , k , l ;
for ( i = 0 ; i < surf . _Loops . size ( ) ; + + i )
{
polygons . push_back ( CPolygon ( ) ) ;
CPolygon & poly = polygons . back ( ) ;
for ( j = 0 ; j < surf . _Loops [ i ] . size ( ) ; + + j )
{
const CChain & chain = _Chains [ surf . _Loops [ i ] [ j ] ] ;
bool chainforward = ( ( uint32 ) chain . _Left = = surface ) ;
if ( chainforward )
{
for ( k = 0 ; k < chain . _SubChains . size ( ) ; + + k )
{
const COrderedChain & ochain = _OrderedChains [ chain . _SubChains [ k ] ] ;
bool ochainforward = ochain . isForward ( ) ;
if ( ochainforward )
{
for ( l = 0 ; l < ochain . getVertices ( ) . size ( ) - 1 ; + + l )
poly . Vertices . push_back ( ochain [ l ] . unpack3f ( ) ) ;
}
else
{
2010-05-13 20:23:34 +00:00
for ( l = ( uint ) ochain . getVertices ( ) . size ( ) - 1 ; l > 0 ; - - l )
2010-05-06 00:08:41 +00:00
poly . Vertices . push_back ( ochain [ l ] . unpack3f ( ) ) ;
}
}
}
else
{
2010-05-13 20:23:34 +00:00
for ( k = ( uint ) chain . _SubChains . size ( ) ; ( sint ) k > 0 ; - - k )
2010-05-06 00:08:41 +00:00
{
const COrderedChain & ochain = _OrderedChains [ chain . _SubChains [ k ] ] ;
bool ochainforward = ochain . isForward ( ) ;
if ( ochainforward )
{
2010-05-13 20:23:34 +00:00
for ( l = ( uint ) ochain . getVertices ( ) . size ( ) - 1 ; ( sint ) l > 0 ; - - l )
2010-05-06 00:08:41 +00:00
poly . Vertices . push_back ( ochain [ l ] . unpack3f ( ) ) ;
}
else
{
for ( l = 0 ; l < ochain . getVertices ( ) . size ( ) - 1 ; + + l )
poly . Vertices . push_back ( ochain [ l ] . unpack3f ( ) ) ;
}
}
}
}
}
}
//
void NLPACS : : CLocalRetriever : : build3dSurfacePolygons ( uint32 surface , list < CPolygon > & polygons ) const
{
const CRetrievableSurface & surf = _Surfaces [ surface ] ;
uint i , j , k , l ;
for ( i = 0 ; i < surf . _Loops . size ( ) ; + + i )
{
polygons . push_back ( CPolygon ( ) ) ;
CPolygon & poly = polygons . back ( ) ;
for ( j = 0 ; j < surf . _Loops [ i ] . size ( ) ; + + j )
{
const CRetrievableSurface : : TLoop & loop = surf . _Loops [ i ] ;
const CChain & chain = _Chains [ surf . _Chains [ loop [ j ] ] . Chain ] ;
bool chainforward = ( ( uint32 ) chain . _Left = = surface ) ;
if ( chainforward )
{
for ( k = 0 ; k < chain . _SubChains . size ( ) ; + + k )
{
const COrderedChain3f & ochain = _FullOrderedChains [ chain . _SubChains [ k ] ] ;
bool ochainforward = ochain . isForward ( ) ;
if ( ochainforward )
{
for ( l = 0 ; l < ochain . getVertices ( ) . size ( ) - 1 ; + + l )
poly . Vertices . push_back ( ochain [ l ] ) ;
}
else
{
2010-05-13 20:23:34 +00:00
for ( l = ( uint ) ochain . getVertices ( ) . size ( ) - 1 ; l > 0 ; - - l )
2010-05-06 00:08:41 +00:00
poly . Vertices . push_back ( ochain [ l ] ) ;
}
}
}
else
{
2010-05-13 20:23:34 +00:00
for ( k = ( uint ) chain . _SubChains . size ( ) - 1 ; ( sint ) k > = 0 ; - - k )
2010-05-06 00:08:41 +00:00
{
const COrderedChain3f & ochain = _FullOrderedChains [ chain . _SubChains [ k ] ] ;
bool ochainforward = ochain . isForward ( ) ;
if ( ochainforward )
{
2010-05-13 20:23:34 +00:00
for ( l = ( uint ) ochain . getVertices ( ) . size ( ) - 1 ; ( sint ) l > 0 ; - - l )
2010-05-06 00:08:41 +00:00
poly . Vertices . push_back ( ochain [ l ] ) ;
}
else
{
for ( l = 0 ; l < ochain . getVertices ( ) . size ( ) - 1 ; + + l )
poly . Vertices . push_back ( ochain [ l ] ) ;
}
}
}
}
}
}
// not implemented...
void NLPACS : : CLocalRetriever : : sortTips ( )
{
}
void NLPACS : : CLocalRetriever : : findBorderChains ( )
{
uint chain ;
// for each chain, if it belongs to an edge of the
// local retriever, then adds it to the _BorderChains.
for ( chain = 0 ; chain < _Chains . size ( ) ; + + chain )
if ( _Chains [ chain ] . isBorderChain ( ) )
{
2010-05-13 20:23:34 +00:00
sint32 index = ( sint32 ) _BorderChains . size ( ) ;
2010-05-06 00:08:41 +00:00
_BorderChains . push_back ( uint16 ( chain ) ) ;
_Chains [ chain ] . setBorderChainIndex ( index ) ;
}
}
void NLPACS : : CLocalRetriever : : updateChainIds ( )
{
uint surf , link ;
for ( surf = 0 ; surf < _Surfaces . size ( ) ; + + surf )
{
CRetrievableSurface & surface = _Surfaces [ surf ] ;
for ( link = 0 ; link < surface . _Chains . size ( ) ; + + link )
{
sint32 chain = surface . _Chains [ link ] . Chain ;
if ( _Chains [ chain ] . _Left = = ( sint32 ) surf )
surface . _Chains [ link ] . Surface = _Chains [ chain ] . _Right ;
else if ( _Chains [ chain ] . _Right = = ( sint32 ) surf )
surface . _Chains [ link ] . Surface = _Chains [ chain ] . _Left ;
else
{
nlwarning ( " in NLPACS::CLocalRetriever::updateEdgesOnSurfaces() " ) ;
nlerror ( " Can't find back point to surface %d on chain %d " , surf , chain ) ;
}
}
}
}
void NLPACS : : CLocalRetriever : : computeTopologies ( )
{
//nlinfo("compute topologies");
// Find topologies out...
uint character ;
for ( character = 0 ; character < NumCreatureModels ; + + character )
{
// for each type of creature, flood fill surfaces...
sint32 surface ;
uint topology = 0 ;
for ( surface = 0 ; surface < ( sint ) _Surfaces . size ( ) ; + + surface )
{
if ( _Surfaces [ surface ] . _Topologies [ character ] = = - 1 & &
_Surfaces [ surface ] . _Character = = character )
{
vector < sint32 > surfacesStack ;
surfacesStack . push_back ( surface ) ;
while ( ! surfacesStack . empty ( ) )
{
CRetrievableSurface & current = _Surfaces [ surfacesStack . back ( ) ] ;
surfacesStack . pop_back ( ) ;
current . _Topologies [ character ] = topology ;
uint i ;
for ( i = 0 ; i < current . _Chains . size ( ) ; + + i )
{
CChain & chain = _Chains [ current . _Chains [ i ] . Chain ] ;
sint32 link = ( chain . getLeft ( ) = = surface ) ? chain . getRight ( ) : chain . getLeft ( ) ;
if ( link > = 0 & & link < ( sint ) _Surfaces . size ( ) & &
_Surfaces [ link ] . _Topologies [ character ] = = - 1 & &
_Surfaces [ link ] . _Character > = character )
{
surfacesStack . push_back ( link ) ;
_Surfaces [ link ] . _Topologies [ character ] = topology ;
}
}
}
+ + topology ;
}
}
_Topologies [ character ] . resize ( topology ) ;
//nlinfo("generated %d topologies for character %d", topology, character);
}
uint surface ;
for ( surface = 0 ; surface < _Surfaces . size ( ) ; + + surface )
{
CRetrievableSurface & current = _Surfaces [ surface ] ;
for ( character = 0 ; character < NumCreatureModels ; + + character )
if ( current . _Topologies [ character ] > = 0 )
_Topologies [ character ] [ current . _Topologies [ character ] ] . push_back ( surface ) ;
}
}
void NLPACS : : CLocalRetriever : : translate ( const NLMISC : : CVector & translation )
{
uint i ;
for ( i = 0 ; i < _OrderedChains . size ( ) ; + + i )
_OrderedChains [ i ] . translate ( translation ) ;
for ( i = 0 ; i < _Surfaces . size ( ) ; + + i )
_Surfaces [ i ] . translate ( translation ) ;
/*
for ( i = 0 ; i < _Tips . size ( ) ; + + i )
_Tips [ i ] . translate ( translation ) ;
*/
}
void NLPACS : : CLocalRetriever : : serial ( NLMISC : : IStream & f )
{
/*
Version 0 :
- base version ( with collision info ) .
Version 1 :
- interior vertices and faces , for interior ground snapping
Version 2 :
- face grid added .
Version 3 :
- identifier added .
Version 4 :
- topologies no more in stream ( obsolete )
*/
sint ver = f . serialVersion ( 4 ) ;
if ( ver < 4 )
throw EOlderStream ( ) ;
uint i ;
f . serialCont ( _Chains ) ;
f . serialCont ( _OrderedChains ) ;
f . serialCont ( _FullOrderedChains ) ;
f . serialCont ( _Surfaces ) ;
f . serialCont ( __Tips ) ;
f . serialCont ( _BorderChains ) ;
if ( ver < 4 )
{
for ( i = 0 ; i < NumMaxCreatureModels ; + + i )
f . serialCont ( _Topologies [ i ] ) ;
}
f . serial ( _ChainQuad ) ;
f . serial ( _BBox ) ;
f . serialEnum ( _Type ) ;
f . serial ( _ExteriorMesh ) ;
// a fix for old versions (with wrong _Type value)
if ( _Type ! = CLocalRetriever : : Interior ) _Type = CLocalRetriever : : Landscape ;
if ( ver > = 1 )
{
f . serialCont ( _InteriorVertices ) ;
f . serialCont ( _InteriorFaces ) ;
}
if ( ver > = 2 )
{
f . serial ( _FaceGrid ) ;
}
if ( ver > = 3 )
{
f . serial ( _Id ) ;
}
_Loaded = true ;
LoadCheckFlag = false ;
}
bool NLPACS : : CLocalRetriever : : insurePosition ( NLPACS : : ULocalPosition & local ) const
{
if ( ! _Loaded )
return false ;
if ( local . Surface < 0 | | local . Surface > = ( sint ) _Surfaces . size ( ) )
{
nlwarning ( " PACS: can't insure position to inexistant surface %d " , local . Surface ) ;
return false ;
}
// the surface
const NLPACS : : CRetrievableSurface & surface = _Surfaces [ local . Surface ] ;
uint i , j , k ;
CVector2f M = CVector2f ( local . Estimation ) ;
bool moved = false ;
// for each chain and each subchain of the surface,
// check if point is located on the good side of the border (and far enough to avoid accuracy issues)
for ( i = 0 ; i < surface . getChains ( ) . size ( ) ; + + i )
{
uint ichain = surface . getChain ( i ) . Chain ;
const NLPACS : : CChain & chain = _Chains [ ichain ] ;
for ( j = 0 ; j < chain . getSubChains ( ) . size ( ) ; + + j )
{
uint iochain = chain . getSubChain ( j ) ;
const NLPACS : : COrderedChain & ochain = _OrderedChains [ iochain ] ;
uint isAtLeft = ( ( chain . getLeft ( ) = = local . Surface ) ? 1 : 0 ) ;
uint isForward = ( ochain . isForward ( ) ? 1 : 0 ) ;
bool shouldBeUpper = ! ( ( isAtLeft ^ isForward ) ! = 0 ) ; // shouldBeAtLeft for vertical segment
for ( k = 0 ; ( sint ) k < ( sint ) ( ochain . getVertices ( ) . size ( ) - 1 ) ; + + k )
{
CVector2f A = ochain [ k ] . unpack ( ) ;
CVector2f B = ochain [ k + 1 ] . unpack ( ) ;
CVector2f AB = B - A ;
float lambda = ( ( M - A ) * AB ) / AB . sqrnorm ( ) ;
if ( lambda < 0.0f | | lambda > 1.0f )
continue ;
CVector2f n = ( shouldBeUpper ? CVector2f ( - AB . y , AB . x ) : CVector2f ( AB . y , - AB . x ) ) . normed ( ) ;
float d = ( M - A ) * n ;
// if point is too close of the border or on the wrong side
// move it far enough
if ( d < InsurePositionThreshold & & d > - InsurePositionThreshold )
{
M + = ( InsurePositionThreshold * 1.1f - d ) * n ;
moved = true ;
}
}
}
}
NLPACS : : CRetrieverInstance : : snapVector ( M ) ;
local . Estimation . x = M . x ;
local . Estimation . y = M . y ;
{
float fx1024 = local . Estimation . x * 1024.0f ;
float fy1024 = local . Estimation . x * 1024.0f ;
sint32 ix1024 = ( sint32 ) floor ( fx1024 ) ;
sint32 iy1024 = ( sint32 ) floor ( fy1024 ) ;
nlassert ( ( float ) ix1024 = = fx1024 ) ;
nlassert ( ( float ) iy1024 = = fy1024 ) ;
}
return moved ;
}
bool NLPACS : : CLocalRetriever : : testPosition ( NLPACS : : ULocalPosition & local , CCollisionSurfaceTemp & cst ) const
{
if ( ! _Loaded )
return false ;
if ( local . Surface < 0 | | local . Surface > = ( sint ) _Surfaces . size ( ) )
{
nlwarning ( " PACS: can't test inexistant surface %d " , local . Surface ) ;
return false ;
}
if ( fabs ( local . Estimation . x ) > = 256.0 | | fabs ( local . Estimation . y ) > = 256.0 )
return false ;
retrievePosition ( local . Estimation , cst ) ;
bool result = ( cst . SurfaceLUT [ local . Surface ] . Counter = = 2 | | cst . SurfaceLUT [ local . Surface ] . OnVerticalEdge ) ;
uint i ;
for ( i = 0 ; i < cst . PossibleSurfaces . size ( ) ; + + i )
cst . SurfaceLUT [ cst . PossibleSurfaces [ i ] ] . reset ( ) ;
return result ;
}
void NLPACS : : CLocalRetriever : : retrievePosition ( CVector estimated , CCollisionSurfaceTemp & cst ) const
{
if ( ! _Loaded )
return ;
CAABBox box ;
const double BorderThreshold = 2.0e-2 f ;
box . setMinMax ( CVector ( estimated . x - ( float ) BorderThreshold , _BBox . getMin ( ) . y , 0.0f ) , CVector ( estimated . x + ( float ) BorderThreshold , _BBox . getMax ( ) . y , 0.0f ) ) ;
uint numEdges = _ChainQuad . selectEdges ( box , cst ) ;
uint ochain , i ;
CVector2s estim = CVector2s ( estimated ) ;
cst . PossibleSurfaces . clear ( ) ;
// WARNING!!
// cst.SurfaceLUT is assumed to be 0 filled !!
//nldebug("estim=(%d,%d)", estim.x, estim.y);
// for each ordered chain, checks if the estimated position is between the min and max.
for ( i = 0 ; i < numEdges ; + + i )
{
ochain = cst . EdgeChainEntries [ i ] . OChainId ;
const COrderedChain & sub = _OrderedChains [ ochain ] ;
const CVector2s & min = sub . getMin ( ) ,
& max = sub . getMax ( ) ;
// checks the position against the min and max of the chain
if ( estim . x < min . x | | estim . x > max . x )
continue ;
bool isUpper ;
bool isOnBorder = false ;
sint32 left = _Chains [ sub . getParentId ( ) ] . getLeft ( ) ,
right = _Chains [ sub . getParentId ( ) ] . getRight ( ) ;
if ( estim . y < min . y )
{
if ( estim . x = = max . x )
continue ;
isUpper = false ;
// nlinfo("Box: min(%d,%d) max(%d,%d) forward=%d left=%d right=%d upper=false", min.x, min.y, max.x, max.y, sub.isForward(), left, right);
}
else if ( estim . y > max . y )
{
if ( estim . x = = max . x )
continue ;
isUpper = true ;
// nlinfo("Box: min(%d,%d) max(%d,%d) forward=%d left=%d right=%d upper=true", min.x, min.y, max.x, max.y, sub.isForward(), left, right);
}
else
{
const vector < CVector2s > & vertices = sub . getVertices ( ) ;
2010-05-13 20:23:34 +00:00
uint start = 0 , stop = ( uint ) vertices . size ( ) - 1 ;
2010-05-06 00:08:41 +00:00
// then finds the smallest segment of the chain that includes the estimated position.
while ( stop - start > 1 )
{
uint mid = ( start + stop ) / 2 ;
if ( vertices [ mid ] . x > estim . x )
stop = mid ;
else
start = mid ;
}
// if a vertical edge
if ( vertices [ start ] . x = = vertices [ stop ] . x )
{
// look for maximal bounds
while ( start > 0 & & vertices [ start ] . x = = vertices [ start - 1 ] . x )
- - start ;
while ( stop < vertices . size ( ) - 1 & & vertices [ stop ] . x = = vertices [ stop + 1 ] . x )
+ + stop ;
// if upper or lower the bounds, do nothing
2010-05-14 09:41:28 +00:00
if ( ( estim . y > vertices [ start ] . y & & estim . y > vertices [ stop ] . y ) | |
( estim . y < vertices [ start ] . y & & estim . y < vertices [ stop ] . y ) )
2010-05-06 00:08:41 +00:00
continue ;
isOnBorder = true ;
if ( left > = 0 )
{
cst . SurfaceLUT [ left ] . FoundCloseEdge = true ;
cst . SurfaceLUT [ left ] . OnVerticalEdge = true ;
}
if ( right > = 0 )
{
cst . SurfaceLUT [ right ] . FoundCloseEdge = true ;
cst . SurfaceLUT [ right ] . OnVerticalEdge = true ;
}
// nlinfo("Edge: start(%d,%d) stop(%d,%d) forward=%d left=%d right=%d border=true", vertices[start].x, vertices[start].y, vertices[stop].x, vertices[stop].y, sub.isForward(), left, right);
continue ;
}
else if ( vertices [ stop ] . x = = estim . x )
{
// if (yes)
continue ;
}
// and then checks if the estimated position is up or down the chain.
// first trivial case (up both tips)
if ( estim . y > vertices [ start ] . y & & estim . y > vertices [ stop ] . y )
{
isUpper = true ;
// nlinfo("Edge: start(%d,%d) stop(%d,%d) forward=%d left=%d right=%d upper=true", vertices[start].x, vertices[start].y, vertices[stop].x, vertices[stop].y, sub.isForward(), left, right);
}
// second trivial case (down both tips)
else if ( estim . y < vertices [ start ] . y & & estim . y < vertices [ stop ] . y )
{
isUpper = false ;
// nlinfo("Edge: start(%d,%d) stop(%d,%d) forward=%d left=%d right=%d upper=false", vertices[start].x, vertices[start].y, vertices[stop].x, vertices[stop].y, sub.isForward(), left, right);
}
// full test...
else
{
const CVector2s & vstart = vertices [ start ] ,
& vstop = vertices [ stop ] ;
sint16 intersect = vstart . y + ( vstop . y - vstart . y ) * ( estim . x - vstart . x ) / ( vstop . x - vstart . x ) ;
isUpper = estim . y > intersect ;
//isOnBorder = (fabs(estim.y - intersect)<BorderThreshold*Vector2sAccuracy);
isOnBorder = ( fabs ( ( double ) ( estim . y - intersect ) ) < ( double ) ( BorderThreshold * Vector2sAccuracy ) ) ;
// nlinfo("Edge: start(%d,%d) stop(%d,%d) forward=%d left=%d right=%d upper=%s border=%s", vertices[start].x, vertices[start].y, vertices[stop].x, vertices[stop].y, sub.isForward(), left, right, isUpper ? "true":"false", isOnBorder ? "true":"false");
}
}
if ( isOnBorder )
{
cst . incSurface ( left ) ;
cst . incSurface ( right ) ;
if ( left > = 0 ) cst . SurfaceLUT [ left ] . FoundCloseEdge = true ;
if ( right > = 0 ) cst . SurfaceLUT [ right ] . FoundCloseEdge = true ;
continue ;
}
// Depending on the chain is forward, up the position, increase/decrease the surface table...
if ( sub . isForward ( ) )
{
if ( isUpper )
{
cst . incSurface ( left ) ;
cst . decSurface ( right ) ;
}
else
{
cst . decSurface ( left ) ;
cst . incSurface ( right ) ;
}
}
else
{
if ( isUpper )
{
cst . decSurface ( left ) ;
cst . incSurface ( right ) ;
}
else
{
cst . incSurface ( left ) ;
cst . decSurface ( right ) ;
}
}
}
}
void NLPACS : : CLocalRetriever : : retrieveAccuratePosition ( CVector2s estim , CCollisionSurfaceTemp & cst , bool & onBorder ) const
{
if ( ! _Loaded )
return ;
CAABBox box ;
CVector estimated = estim . unpack3f ( ) ;
const double BorderThreshold = 2.0e-2 f ;
box . setMinMax ( CVector ( estimated . x - ( float ) BorderThreshold , _BBox . getMin ( ) . y , 0.0f ) ,
CVector ( estimated . x + ( float ) BorderThreshold , _BBox . getMax ( ) . y , 0.0f ) ) ;
uint numEdges = _ChainQuad . selectEdges ( box , cst ) ;
uint ochain , i ;
onBorder = false ;
cst . PossibleSurfaces . clear ( ) ;
// WARNING!!
// cst.SurfaceLUT is assumed to be 0 filled !!
//nldebug("estim=(%d,%d)", estim.x, estim.y);
// for each ordered chain, checks if the estimated position is between the min and max.
for ( i = 0 ; i < numEdges ; + + i )
{
ochain = cst . EdgeChainEntries [ i ] . OChainId ;
const COrderedChain & sub = _OrderedChains [ ochain ] ;
const CVector2s & min = sub . getMin ( ) ,
& max = sub . getMax ( ) ;
// checks the position against the min and max of the chain
if ( estim . x < min . x | | estim . x > max . x )
continue ;
bool isUpper ;
//bool isOnBorder = false;
sint32 left = _Chains [ sub . getParentId ( ) ] . getLeft ( ) ,
right = _Chains [ sub . getParentId ( ) ] . getRight ( ) ;
if ( estim . y < min . y )
{
if ( estim . x = = max . x )
continue ;
isUpper = false ;
}
else if ( estim . y > max . y )
{
if ( estim . x = = max . x )
continue ;
isUpper = true ;
}
else
{
const vector < CVector2s > & vertices = sub . getVertices ( ) ;
2010-05-13 20:23:34 +00:00
uint start = 0 , stop = ( uint ) vertices . size ( ) - 1 ;
2010-05-06 00:08:41 +00:00
// then finds the smallest segment of the chain that includes the estimated position.
while ( stop - start > 1 )
{
uint mid = ( start + stop ) / 2 ;
if ( vertices [ mid ] . x > estim . x )
stop = mid ;
else
start = mid ;
}
// if a vertical edge
if ( vertices [ start ] . x = = vertices [ stop ] . x )
{
// look for maximal bounds
while ( start > 0 & & vertices [ start ] . x = = vertices [ start - 1 ] . x )
- - start ;
while ( stop < vertices . size ( ) - 1 & & vertices [ stop ] . x = = vertices [ stop + 1 ] . x )
+ + stop ;
// if upper or lower the bounds, do nothing
2010-05-14 09:41:28 +00:00
if ( ( estim . y > vertices [ start ] . y & & estim . y > vertices [ stop ] . y ) | |
( estim . y < vertices [ start ] . y & & estim . y < vertices [ stop ] . y ) )
2010-05-06 00:08:41 +00:00
continue ;
onBorder = true ;
continue ;
}
else if ( vertices [ stop ] . x = = estim . x )
{
// if (yes)
continue ;
}
// and then checks if the estimated position is up or down the chain.
// first trivial case (up both tips)
if ( estim . y > vertices [ start ] . y & & estim . y > vertices [ stop ] . y )
{
isUpper = true ;
}
// second trivial case (down both tips)
else if ( estim . y < vertices [ start ] . y & & estim . y < vertices [ stop ] . y )
{
isUpper = false ;
}
// full test...
else
{
const CVector2s & vstart = vertices [ start ] ,
& vstop = vertices [ stop ] ;
// this test is somewhat more accurate
// no division performed
sint32 det = ( estim . y - vstart . y ) * ( vstop . x - vstart . x ) - ( estim . x - vstart . x ) * ( vstop . y - vstart . y ) ;
isUpper = ( det > 0 ) ;
if ( det = = 0 )
onBorder = true ;
}
}
// Depending on the chain is forward, up the position, increase/decrease the surface table...
if ( sub . isForward ( ) )
{
if ( isUpper )
{
cst . incSurface ( left ) ;
cst . decSurface ( right ) ;
}
else
{
cst . decSurface ( left ) ;
cst . incSurface ( right ) ;
}
}
else
{
if ( isUpper )
{
cst . decSurface ( left ) ;
cst . incSurface ( right ) ;
}
else
{
cst . incSurface ( left ) ;
cst . decSurface ( right ) ;
}
}
}
}
void NLPACS : : CLocalRetriever : : initFaceGrid ( )
{
CFaceGrid : : CFaceGridBuild fgb ;
fgb . init ( 64 , 4.0f ) ;
uint i ;
for ( i = 0 ; i < _InteriorFaces . size ( ) ; + + i )
{
CAABBox box ;
CInteriorFace & f = _InteriorFaces [ i ] ;
box . setCenter ( _InteriorVertices [ f . Verts [ 0 ] ] ) ;
box . extend ( _InteriorVertices [ f . Verts [ 1 ] ] ) ;
box . extend ( _InteriorVertices [ f . Verts [ 2 ] ] ) ;
fgb . insert ( box . getMin ( ) , box . getMax ( ) , i ) ;
}
_FaceGrid . create ( fgb ) ;
}
void NLPACS : : CLocalRetriever : : snapToInteriorGround ( NLPACS : : ULocalPosition & position , bool & snapped ) const
{
if ( ! _Loaded )
return ;
// first preselect faces around the (x, y) position (CQuadGrid ?)
vector < uint32 > selection ;
_FaceGrid . select ( position . Estimation , selection ) ;
// from the preselect faces, look for the only face that belongs to the surface
// and that contains the position
CVector pos = position . Estimation ;
CVector posh = pos + CVector ( 0.0f , 0.0f , 1.0f ) ;
CVector2f pos2d = position . Estimation ;
float bestDist = 1.0e10 f ;
2010-05-18 14:53:47 +00:00
CVector best ( 0.0f , 0.0f , 0.0f ) ;
2010-05-06 00:08:41 +00:00
vector < uint32 > : : iterator it ;
snapped = false ;
for ( it = selection . begin ( ) ; it ! = selection . end ( ) ; + + it )
{
const CInteriorFace & f = _InteriorFaces [ * it ] ;
if ( f . Surface = = ( uint32 ) position . Surface )
{
CVector v [ 3 ] ;
v [ 0 ] = _InteriorVertices [ f . Verts [ 0 ] ] ;
v [ 1 ] = _InteriorVertices [ f . Verts [ 1 ] ] ;
v [ 2 ] = _InteriorVertices [ f . Verts [ 2 ] ] ;
CVector2f n ;
float c ; // 2D cartesian coefficients of line in plane X/Y.
// Line p0-p1.
n = CVector2f ( - ( v [ 1 ] . y - v [ 0 ] . y ) , ( v [ 1 ] . x - v [ 0 ] . x ) ) . normed ( ) ;
c = - ( v [ 0 ] . x * n . x + v [ 0 ] . y * n . y ) ;
if ( n * pos2d + c < - 1.0f / Vector2sAccuracy ) continue ;
// Line p1-p2.
n = CVector2f ( - ( v [ 2 ] . y - v [ 1 ] . y ) , ( v [ 2 ] . x - v [ 1 ] . x ) ) . normed ( ) ;
c = - ( v [ 1 ] . x * n . x + v [ 1 ] . y * n . y ) ;
if ( n * pos2d + c < - 1.0f / Vector2sAccuracy ) continue ;
// Line p2-p0.
n = CVector2f ( - ( v [ 0 ] . y - v [ 2 ] . y ) , ( v [ 0 ] . x - v [ 2 ] . x ) ) . normed ( ) ;
c = - ( v [ 2 ] . x * n . x + v [ 2 ] . y * n . y ) ;
if ( n * pos2d + c < - 1.0f / Vector2sAccuracy ) continue ;
CPlane p ;
p . make ( v [ 0 ] , v [ 1 ] , v [ 2 ] ) ;
CVector i = p . intersect ( pos , posh ) ;
float d = ( float ) fabs ( pos . z - i . z ) ;
if ( d < bestDist )
{
bestDist = d ;
best = i ;
}
}
}
// and computes the real position on this face
if ( bestDist < 400.0f )
{
snapped = true ;
position . Estimation = best ;
}
}
// ***************************************************************************
float NLPACS : : CLocalRetriever : : getHeight ( const NLPACS : : ULocalPosition & position ) const
{
if ( ! _Loaded )
return 0.0f ;
if ( _Type = = Interior )
{
// first preselect faces around the (x, y) position (CQuadGrid ?)
vector < uint32 > selection ;
_FaceGrid . select ( position . Estimation , selection ) ;
// from the preselect faces, look for the only face that belongs to the surface
// and that contains the position
CVector pos = position . Estimation ;
CVector posh = pos + CVector ( 0.0f , 0.0f , 1.0f ) ;
float bestDist = 1.0e10 f ;
2010-05-18 14:53:47 +00:00
CVector best ( 0.0f , 0.0f , 0.0f ) ;
2010-05-06 00:08:41 +00:00
vector < uint32 > : : iterator it ;
for ( it = selection . begin ( ) ; it ! = selection . end ( ) ; + + it )
{
const CInteriorFace & f = _InteriorFaces [ * it ] ;
if ( f . Surface = = ( uint32 ) position . Surface )
{
CVector v [ 3 ] ;
v [ 0 ] = _InteriorVertices [ f . Verts [ 0 ] ] ;
v [ 1 ] = _InteriorVertices [ f . Verts [ 1 ] ] ;
v [ 2 ] = _InteriorVertices [ f . Verts [ 2 ] ] ;
float a , b , c ; // 2D cartesian coefficients of line in plane X/Y.
// Line p0-p1.
a = - ( v [ 1 ] . y - v [ 0 ] . y ) ;
b = ( v [ 1 ] . x - v [ 0 ] . x ) ;
c = - ( v [ 0 ] . x * a + v [ 0 ] . y * b ) ;
if ( a * pos . x + b * pos . y + c < 0 ) continue ;
// Line p1-p2.
a = - ( v [ 2 ] . y - v [ 1 ] . y ) ;
b = ( v [ 2 ] . x - v [ 1 ] . x ) ;
c = - ( v [ 1 ] . x * a + v [ 1 ] . y * b ) ;
if ( a * pos . x + b * pos . y + c < 0 ) continue ;
// Line p2-p0.
a = - ( v [ 0 ] . y - v [ 2 ] . y ) ;
b = ( v [ 0 ] . x - v [ 2 ] . x ) ;
c = - ( v [ 2 ] . x * a + v [ 2 ] . y * b ) ;
if ( a * pos . x + b * pos . y + c < 0 ) continue ;
CPlane p ;
p . make ( v [ 0 ] , v [ 1 ] , v [ 2 ] ) ;
CVector i = p . intersect ( pos , posh ) ;
float d = ( float ) fabs ( pos . z - i . z ) ;
if ( d < bestDist )
{
bestDist = d ;
best = i ;
}
}
}
// and computes the real position on this face
return ( bestDist < 200.0f ) ? best . z : position . Estimation . z ;
}
else
{
if ( _Surfaces [ position . Surface ] . getQuadTree ( ) . getRoot ( ) ! = NULL )
{
// find quad leaf.
const CQuadLeaf * leaf = _Surfaces [ position . Surface ] . getQuadTree ( ) . getLeaf ( position . Estimation ) ;
// if there is no acceptable leaf, just give up
if ( leaf = = NULL )
{
//nlinfo("COL: quadtree: don't find the quadLeaf!");
return position . Estimation . z ;
}
else
{
// else return mean height.
float meanHeight = ( leaf - > getMinHeight ( ) + leaf - > getMaxHeight ( ) ) * 0.5f ;
return meanHeight ;
}
}
else if ( _Surfaces [ position . Surface ] . isUnderWater ( ) )
{
return _Surfaces [ position . Surface ] . getWaterHeight ( ) ;
}
else
{
sint8 qh = _Surfaces [ position . Surface ] . getQuantHeight ( ) ;
return qh * 2.0f + 1.0f ;
}
}
}
// ***************************************************************************
float NLPACS : : CLocalRetriever : : getInteriorHeightAround ( const ULocalPosition & position , float outsideTolerance ) const
{
if ( ! _Loaded )
return 0.0f ;
if ( _Type = = Interior )
{
// first preselect faces around the (x, y) position (CQuadGrid ?)
vector < uint32 > selection ;
_FaceGrid . select ( position . Estimation , selection ) ;
// from the preselect faces, look for the only face that belongs to the surface
// and that contains the position
CVector pos = position . Estimation ;
CVector posh = pos + CVector ( 0.0f , 0.0f , 1.0f ) ;
float bestDist = 1.0e10 f ;
2010-05-18 14:53:47 +00:00
CVector best ( 0.0f , 0.0f , 0.0f ) ;
2010-05-06 00:08:41 +00:00
vector < uint32 > : : iterator it ;
for ( it = selection . begin ( ) ; it ! = selection . end ( ) ; + + it )
{
const CInteriorFace & f = _InteriorFaces [ * it ] ;
if ( f . Surface = = ( uint32 ) position . Surface )
{
CVector v [ 3 ] ;
v [ 0 ] = _InteriorVertices [ f . Verts [ 0 ] ] ;
v [ 1 ] = _InteriorVertices [ f . Verts [ 1 ] ] ;
v [ 2 ] = _InteriorVertices [ f . Verts [ 2 ] ] ;
// Test if out of this triangle (+ tolerance)
float a , b ; // 2D cartesian coefficients of line in plane X/Y.
float len ;
// Line p0-p1.
a = - ( v [ 1 ] . y - v [ 0 ] . y ) ;
b = ( v [ 1 ] . x - v [ 0 ] . x ) ;
len = sqrtf ( a * a + b * b ) ; // norm of the normal vector
if ( a * ( pos . x - v [ 0 ] . x ) + b * ( pos . y - v [ 0 ] . y ) < - len * outsideTolerance ) continue ;
// Line p1-p2.
a = - ( v [ 2 ] . y - v [ 1 ] . y ) ;
b = ( v [ 2 ] . x - v [ 1 ] . x ) ;
len = sqrtf ( a * a + b * b ) ; // norm of the normal vector
if ( a * ( pos . x - v [ 1 ] . x ) + b * ( pos . y - v [ 1 ] . y ) < - len * outsideTolerance ) continue ;
// Line p2-p0.
a = - ( v [ 0 ] . y - v [ 2 ] . y ) ;
b = ( v [ 0 ] . x - v [ 2 ] . x ) ;
len = sqrtf ( a * a + b * b ) ; // norm of the normal vector
if ( a * ( pos . x - v [ 2 ] . x ) + b * ( pos . y - v [ 2 ] . y ) < - len * outsideTolerance ) continue ;
// Ok IN => compute z and keep nearest to wanted one
CPlane p ;
p . make ( v [ 0 ] , v [ 1 ] , v [ 2 ] ) ;
CVector i = p . intersect ( pos , posh ) ;
float d = ( float ) fabs ( pos . z - i . z ) ;
if ( d < bestDist )
{
bestDist = d ;
best = i ;
}
}
}
// and computes the real position on this face
return ( bestDist < 200.0f ) ? best . z : position . Estimation . z ;
}
return 0.f ;
}
// ***************************************************************************
# ifdef NL_OS_WINDOWS
2010-10-18 07:15:14 +00:00
//#pragma optimize( "", off )
2010-05-06 00:08:41 +00:00
# endif // NL_OS_WINDOWS
void NLPACS : : CLocalRetriever : : findPath ( const NLPACS : : CLocalRetriever : : CLocalPosition & A ,
const NLPACS : : CLocalRetriever : : CLocalPosition & B ,
std : : vector < NLPACS : : CVector2s > & path ,
NLPACS : : CCollisionSurfaceTemp & cst ) const
{
if ( A . Surface ! = B . Surface )
{
nlwarning ( " in NLPACS::CLocalRetriever::findPath() " ) ;
nlerror ( " Try to find a path between 2 points that are not in the same surface (A=%d, B=%d) " , A . Surface , B . Surface ) ;
}
CVector a = A . Estimation ,
b = B . Estimation ,
n = CVector ( a . y - b . y , b . x - a . x , 0.0f ) ;
_ChainQuad . selectEdges ( a , b , cst ) ;
vector < CIntersectionMarker > intersections ;
uint i , j ;
sint32 surfaceId = A . Surface ;
const CRetrievableSurface & surface = _Surfaces [ surfaceId ] ;
for ( i = 0 ; i < cst . EdgeChainEntries . size ( ) ; + + i )
{
CEdgeChainEntry & entry = cst . EdgeChainEntries [ i ] ;
const COrderedChain & chain = _OrderedChains [ entry . OChainId ] ;
if ( _Chains [ chain . getParentId ( ) ] . getLeft ( ) ! = surfaceId & &
_Chains [ chain . getParentId ( ) ] . getRight ( ) ! = surfaceId )
continue ;
for ( j = entry . EdgeStart ; j < entry . EdgeEnd ; + + j )
{
// here the edge collision test
CVector p0 = chain [ j ] . unpack3f ( ) ,
p1 = chain [ j + 1 ] . unpack3f ( ) ;
float vp0 = ( p0 - a ) * n ,
vp1 = ( p1 - a ) * n ;
if ( vp0 * vp1 < = 0.0f )
{
CVector np = CVector ( p0 . y - p1 . y , p1 . x - p0 . x , 0.0f ) ;
float va = ( a - p0 ) * np ,
vb = ( b - p0 ) * np ;
// here we have an intersection
if ( va * vb < = 0.0f )
{
const CChain & parent = _Chains [ chain . getParentId ( ) ] ;
bool isIn = ( va - vb < 0.0f ) ^ ( parent . getLeft ( ) = = surfaceId ) ^ chain . isForward ( ) ;
intersections . push_back ( CIntersectionMarker ( va / ( va - vb ) , entry . OChainId , uint16 ( j ) , isIn ) ) ;
}
}
}
}
sort ( intersections . begin ( ) , intersections . end ( ) ) ;
uint intersStart = 0 ;
2010-05-13 20:23:34 +00:00
uint intersEnd = ( uint ) intersections . size ( ) ;
2010-05-06 00:08:41 +00:00
if ( intersEnd > 0 )
{
while ( intersStart < intersections . size ( ) & &
intersections [ intersStart ] . In & & intersections [ intersStart ] . Position < 1.0e-4 f )
+ + intersStart ;
while ( intersStart < intersEnd & &
! intersections [ intersEnd - 1 ] . In & & intersections [ intersEnd - 1 ] . Position > 1.0f - 1.0e-4 f )
- - intersEnd ;
// Check intersections have a valid order
if ( ( intersEnd - intersStart ) & 1 )
{
nlwarning ( " in NLPACS::CLocalRetriever::findPath() " ) ;
nlerror ( " Found an odd (%d) number of intersections " , intersections . size ( ) ) ;
}
for ( i = intersStart ; i < intersEnd ; )
{
uint exitLoop , enterLoop ;
const CChain & exitChain = _Chains [ _OrderedChains [ intersections [ i ] . OChain ] . getParentId ( ) ] ;
exitLoop = ( exitChain . getLeft ( ) = = surfaceId ) ? exitChain . getLeftLoop ( ) : exitChain . getRightLoop ( ) ;
if ( intersections [ i + + ] . In )
{
nlwarning ( " in NLPACS::CLocalRetriever::findPath() " ) ;
nlerror ( " Entered the surface before exited " , intersections . size ( ) ) ;
}
const CChain & enterChain = _Chains [ _OrderedChains [ intersections [ i ] . OChain ] . getParentId ( ) ] ;
enterLoop = ( enterChain . getLeft ( ) = = surfaceId ) ? enterChain . getLeftLoop ( ) : enterChain . getRightLoop ( ) ;
if ( ! intersections [ i + + ] . In )
{
nlwarning ( " in NLPACS::CLocalRetriever::findPath() " ) ;
nlerror ( " Exited twice the surface " , intersections . size ( ) ) ;
}
if ( exitLoop ! = enterLoop )
{
nlwarning ( " in NLPACS::CLocalRetriever::findPath() " ) ;
nlerror ( " Exited and rentered by a different loop " ) ;
}
}
}
// dumpSurface(surfaceId);
path . push_back ( CVector2s ( A . Estimation ) ) ;
for ( i = intersStart ; i < intersEnd ; )
{
uint exitChainId = _OrderedChains [ intersections [ i ] . OChain ] . getParentId ( ) ,
enterChainId = _OrderedChains [ intersections [ i + 1 ] . OChain ] . getParentId ( ) ;
const CChain & exitChain = _Chains [ exitChainId ] ,
& enterChain = _Chains [ enterChainId ] ;
uint loopId , exitLoopIndex , enterLoopIndex ;
if ( exitChain . getLeft ( ) = = surfaceId )
{
loopId = exitChain . getLeftLoop ( ) ;
exitLoopIndex = exitChain . getLeftLoopIndex ( ) ;
}
else
{
loopId = exitChain . getRightLoop ( ) ;
exitLoopIndex = exitChain . getRightLoopIndex ( ) ;
}
const CRetrievableSurface : : TLoop & loop = surface . _Loops [ loopId ] ;
if ( enterChain . getLeft ( ) = = surfaceId )
enterLoopIndex = enterChain . getLeftLoopIndex ( ) ;
else
enterLoopIndex = enterChain . getRightLoopIndex ( ) ;
float forwardLength = ( exitChain . getLength ( ) + enterChain . getLength ( ) ) * 0.5f ;
sint loopIndex = exitLoopIndex ;
uint thisChainId = exitChainId ;
bool thisChainForward = ( enterChain . getLeft ( ) = = surfaceId ) ;
uint thisOChainId = intersections [ i ] . OChain ;
sint thisOChainIndex = _OrderedChains [ thisOChainId ] . getIndexInParent ( ) ;
bool forward ;
if ( exitChainId ! = enterChainId )
{
for ( j = ( exitLoopIndex + 1 ) % loop . size ( ) ; j ! = enterLoopIndex ; j = ( j + 1 ) % loop . size ( ) )
forwardLength + = _Chains [ surface . _Chains [ loop [ j ] ] . Chain ] . getLength ( ) ;
forward = ( forwardLength < = loop . Length - forwardLength ) ;
}
else
{
forward = ! thisChainForward ^ ( _OrderedChains [ intersections [ i ] . OChain ] . getIndexInParent ( ) < _OrderedChains [ intersections [ i + 1 ] . OChain ] . getIndexInParent ( ) ) ;
}
path . push_back ( CVector2s ( A . Estimation + intersections [ i ] . Position * ( B . Estimation - A . Estimation ) ) ) ;
for ( ; ; )
{
sint from = ( thisOChainId = = intersections [ i ] . OChain ) ? intersections [ i ] . Edge : - 1 ,
to = ( thisOChainId = = intersections [ i + 1 ] . OChain ) ? intersections [ i + 1 ] . Edge : - 1 ;
bool oforward = thisChainForward ^ forward ^ _OrderedChains [ thisOChainId ] . isForward ( ) ;
if ( from ! = - 1 & & to ! = - 1 )
oforward = ( intersections [ i ] . Edge < intersections [ i + 1 ] . Edge ) ;
_OrderedChains [ thisOChainId ] . traverse ( from , to , oforward , path ) ;
if ( thisOChainId = = intersections [ i + 1 ] . OChain )
break ;
thisOChainIndex = ( thisChainForward ^ forward ) ? thisOChainIndex - 1 : thisOChainIndex + 1 ;
if ( thisOChainIndex < 0 | | thisOChainIndex > = ( sint ) _Chains [ thisChainId ] . _SubChains . size ( ) )
{
if ( forward )
{
loopIndex + + ;
if ( loopIndex = = ( sint ) loop . size ( ) )
loopIndex = 0 ;
}
else
{
loopIndex - - ;
if ( loopIndex < 0 )
2010-05-13 20:23:34 +00:00
loopIndex = ( sint ) loop . size ( ) - 1 ;
2010-05-06 00:08:41 +00:00
}
thisChainId = surface . _Chains [ loop [ loopIndex ] ] . Chain ;
thisChainForward = ( _Chains [ thisChainId ] . getLeft ( ) = = surfaceId ) ;
2010-05-14 09:41:28 +00:00
thisOChainIndex = ( thisChainForward = = forward ) ?
2010-05-13 20:23:34 +00:00
0 : ( sint ) _Chains [ thisChainId ] . _SubChains . size ( ) - 1 ;
2010-05-06 00:08:41 +00:00
}
thisOChainId = _Chains [ thisChainId ] . _SubChains [ thisOChainIndex ] ;
}
path . push_back ( CVector2s ( A . Estimation + intersections [ i + 1 ] . Position * ( B . Estimation - A . Estimation ) ) ) ;
i + = 2 ;
}
path . push_back ( CVector2s ( B . Estimation ) ) ;
}
# ifdef NL_OS_WINDOWS
2010-10-18 07:15:14 +00:00
//#pragma optimize( "", on )
2010-05-06 00:08:41 +00:00
# endif // NL_OS_WINDOWS
// ***************************************************************************
// ***************************************************************************
// Collisions part.
// ***************************************************************************
// ***************************************************************************
// ***************************************************************************
void NLPACS : : CLocalRetriever : : computeCollisionChainQuad ( )
{
_ChainQuad . build ( _OrderedChains ) ;
}
// ***************************************************************************
void NLPACS : : CLocalRetriever : : testCollision ( CCollisionSurfaceTemp & cst , const CAABBox & bboxMove , const CVector2f & transBase ) const
{
if ( ! _Loaded )
return ;
// H_AUTO(PACS_LR_testCollision);
sint i ;
// 0. select ordered chains in the chainquad.
//=====================================
// H_BEFORE(PACS_LR_testCol_selEdges);
sint nEce = _ChainQuad . selectEdges ( bboxMove , cst ) ;
// H_AFTER(PACS_LR_testCol_selEdges);
// NB: cst.OChainLUT is assured to be full of 0xFFFF after this call (if was right before).
// 1. regroup them in chains. build cst.CollisionChains
//=====================================
// NB: use cst.OChainLUT to look if a Chain has been inserted before.
uint16 * chainLUT = cst . OChainLUT ;
// bkup where we begin to add chains.
2010-05-13 20:23:34 +00:00
uint firstChainAdded = ( uint ) cst . CollisionChains . size ( ) ;
2010-05-06 00:08:41 +00:00
// For all edgechain entry.
for ( i = 0 ; i < nEce ; i + + )
{
CEdgeChainEntry & ece = cst . EdgeChainEntries [ i ] ;
// this is the ordered chain in the retriever.
const COrderedChain & oChain = this - > getOrderedChains ( ) [ ece . OChainId ] ;
// this is the id of the chain is the local retriever.
uint16 chainId = oChain . getParentId ( ) ;
// test if edge is interior and points to another instance
if ( _Type = = Interior & & CChain : : isBorderChainId ( this - > getChains ( ) [ chainId ] . getRight ( ) ) )
{
// then look for a door that match this edge
uint l ;
for ( l = 0 ; l < _ExteriorMesh . getLinks ( ) . size ( ) & & _ExteriorMesh . getLink ( l ) . ChainId ! = chainId ; + + l )
;
// if found a door, then leave the edge as is
if ( l < _ExteriorMesh . getLinks ( ) . size ( ) )
continue ;
}
// add/retrieve the id in cst.CollisionChains.
//=================================
uint ccId ;
// if never added.
if ( chainLUT [ chainId ] = = 0xFFFF )
{
// H_AUTO(PACS_LR_testCol_addToLUT);
// add a new CCollisionChain.
2010-05-13 20:23:34 +00:00
ccId = ( uint ) cst . CollisionChains . size ( ) ;
2010-05-06 00:08:41 +00:00
cst . CollisionChains . push_back ( CCollisionChain ( ) ) ;
// Fill it with default.
cst . CollisionChains [ ccId ] . Tested = false ;
cst . CollisionChains [ ccId ] . ExteriorEdge = false ;
cst . CollisionChains [ ccId ] . FirstEdgeCollide = 0xFFFFFFFF ;
cst . CollisionChains [ ccId ] . ChainId = chainId ;
// Fill Left right info.
cst . CollisionChains [ ccId ] . LeftSurface . SurfaceId = this - > getChains ( ) [ chainId ] . getLeft ( ) ;
cst . CollisionChains [ ccId ] . RightSurface . SurfaceId = this - > getChains ( ) [ chainId ] . getRight ( ) ;
// NB: cst.CollisionChains[ccId].*Surface.RetrieverInstanceId is not filled here because we don't have
// this info at this level.
// store this Id in the LUT of chains.
chainLUT [ chainId ] = uint16 ( ccId ) ;
}
else
{
// get the id of this collision chain.
ccId = chainLUT [ chainId ] ;
}
// add edge collide to the list.
//=================================
// H_BEFORE(PACS_LR_testCol_addToList);
CCollisionChain & colChain = cst . CollisionChains [ ccId ] ;
const std : : vector < CVector2s > & oChainVertices = oChain . getVertices ( ) ;
for ( sint edge = ece . EdgeStart ; edge < ece . EdgeEnd ; edge + + )
{
CVector2f p0 = oChainVertices [ edge ] . unpack ( ) ;
CVector2f p1 = oChainVertices [ edge + 1 ] . unpack ( ) ;
// alloc a new edgeCollide.
uint32 ecnId = cst . allocEdgeCollideNode ( ) ;
CEdgeCollideNode & ecn = cst . getEdgeCollideNode ( ecnId ) ;
// append to the front of the list.
ecn . Next = colChain . FirstEdgeCollide ;
colChain . FirstEdgeCollide = ecnId ;
// build this edge.
p0 + = transBase ;
p1 + = transBase ;
ecn . make ( p0 , p1 ) ;
}
// H_AFTER(PACS_LR_testCol_addToList);
}
// 2. Reset LUT to 0xFFFF.
//=====================================
// H_BEFORE(PACS_LR_testCol_resetLUT);
// for all collisions chains inserted (starting from firstChainAdded), reset LUT.
for ( i = firstChainAdded ; i < ( sint ) cst . CollisionChains . size ( ) ; i + + )
{
uint ccId = cst . CollisionChains [ i ] . ChainId ;
chainLUT [ ccId ] = 0xFFFF ;
}
// H_AFTER(PACS_LR_testCol_resetLUT);
}
// ***************************************************************************
// ***************************************************************************
// ***************************************************************************
// ***************************************************************************
// ***************************************************************************
void NLPACS : : CLocalRetriever : : buildInteriorSurfaceBBoxes ( std : : vector < NLMISC : : CAABBox > & surfaceBBoxes ) const
{
// resize dest, and init.
vector < bool > firstTriangle ;
surfaceBBoxes . clear ( ) ;
surfaceBBoxes . resize ( _Surfaces . size ( ) ) ;
firstTriangle . resize ( _Surfaces . size ( ) , true ) ;
// For all _InteriorFaces.
for ( uint iIntFace = 0 ; iIntFace < _InteriorFaces . size ( ) ; iIntFace + + )
{
const CInteriorFace & intFace = _InteriorFaces [ iIntFace ] ;
// Extend the surface of this face with her 3 points.
// check good id.
if ( intFace . Surface = = ( uint ) - 1 )
continue ;
nlassert ( intFace . Surface < _Surfaces . size ( ) ) ;
// If first time we extend the bbox of this surface
if ( firstTriangle [ intFace . Surface ] )
{
surfaceBBoxes [ intFace . Surface ] . setCenter ( _InteriorVertices [ intFace . Verts [ 0 ] ] ) ;
firstTriangle [ intFace . Surface ] = false ;
}
else
surfaceBBoxes [ intFace . Surface ] . extend ( _InteriorVertices [ intFace . Verts [ 0 ] ] ) ;
// extend with other 2 points
surfaceBBoxes [ intFace . Surface ] . extend ( _InteriorVertices [ intFace . Verts [ 1 ] ] ) ;
surfaceBBoxes [ intFace . Surface ] . extend ( _InteriorVertices [ intFace . Verts [ 2 ] ] ) ;
}
}
// ***************************************************************************
void NLPACS : : CLocalRetriever : : replaceChain ( uint32 chainId , const std : : vector < NLPACS : : CLocalRetriever : : CChainReplacement > & replacement )
{
// free subchains
uint i , j ;
for ( i = 0 ; i < _Chains [ chainId ] . _SubChains . size ( ) ; + + i )
{
FreeOChains . push_back ( _Chains [ chainId ] . _SubChains [ i ] ) ;
_OrderedChains [ _Chains [ chainId ] . _SubChains [ i ] ] = COrderedChain ( ) ;
_FullOrderedChains [ _Chains [ chainId ] . _SubChains [ i ] ] = COrderedChain3f ( ) ;
}
// create new chains in replacement of this chain
for ( i = 0 ; i < replacement . size ( ) ; + + i )
{
vector < CVector > vertices = replacement [ i ] . Vertices ;
sint left = replacement [ i ] . Left ;
sint right = replacement [ i ] . Right ;
if ( CChain : : isBorderChainId ( right ) )
{
// check border already exists for this particular chain
sint32 border = CChain : : convertBorderChainId ( right ) ;
if ( border < ( sint ) _BorderChains . size ( ) & & ( chainId ! = _BorderChains [ border ] | | chainId ! = replacement [ i ] . Chain ) )
{
nlwarning ( " replaceChain(): replacement of a border is forced whereas this border is already used and not replaced! " ) ;
}
if ( border > = ( sint ) _BorderChains . size ( ) )
{
if ( border > ( sint ) _BorderChains . size ( ) )
{
nlwarning ( " replaceChain(): _BorderChains size increased of more than 1 step, holes may result! " ) ;
}
_BorderChains . resize ( border + 1 , 0xffff ) ;
}
_BorderChains [ border ] = uint16 ( replacement [ i ] . Chain ) ;
}
nlassert ( vertices . size ( ) > = 2 ) ;
// Remove doubled vertices due to CVector2s snapping
vector < CVector2s > converts ;
for ( j = 0 ; j < vertices . size ( ) ; + + j )
converts . push_back ( CVector2s ( vertices [ j ] ) ) ;
vector < CVector2s > : : iterator next2s = converts . begin ( ) , it2s , prev2s ;
prev2s = next2s ; + + next2s ;
it2s = next2s ; + + next2s ;
vector < CVector > : : iterator it3f = vertices . begin ( ) ;
CVector prev3f = * it3f ;
+ + it3f ;
for ( ; it2s ! = converts . end ( ) & & next2s ! = converts . end ( ) ; )
{
// if the next point is equal to the previous
if ( * it2s = = * prev2s | | * it2s = = * next2s )
{
// then remove the next point
it2s = converts . erase ( it2s ) ;
it3f = vertices . erase ( it3f ) ;
prev2s = it2s ;
- - prev2s ;
next2s = it2s ;
+ + next2s ;
}
else
{
// else remember the next point, and step to the next...
+ + prev2s ;
+ + it2s ;
+ + next2s ;
+ + it3f ;
prev3f = * it3f ;
}
}
nlassert ( vertices . size ( ) > = 2 ) ;
sint32 newId = replacement [ i ] . Chain ;
if ( newId > = ( sint ) _Chains . size ( ) )
_Chains . resize ( newId + 1 ) ;
//CChain &nchain = _Chains[newId];
if ( left > ( sint ) _Surfaces . size ( ) )
nlerror ( " left surface id MUST be id<%d (id=%d) " , _Surfaces . size ( ) , left ) ;
if ( right > ( sint ) _Surfaces . size ( ) )
nlerror ( " right surface id MUST be id<%d (id=%d) " , _Surfaces . size ( ) , right ) ;
// checks if we can build the chain.
if ( newId > 65535 )
nlerror ( " in NLPACS::CLocalRetriever::addChain(): reached the maximum number of chains " ) ;
//CRetrievableSurface *leftSurface = (left>=0) ? &(_Surfaces[left]) : NULL;
//CRetrievableSurface *rightSurface = (right>=0) ? &(_Surfaces[right]) : NULL;
CChain & chain = _Chains [ newId ] ;
chain . _StartTip = 0xffff ;
chain . _StopTip = 0xffff ;
// make the chain and its subchains.
chain . make ( vertices , left , right , _OrderedChains , ( uint16 ) newId , _FullOrderedChains , FreeOChains ) ;
}
for ( i = 0 ; i < _Surfaces . size ( ) ; + + i )
{
// remove old chain and replace by new chains in surface links
for ( j = 0 ; j < _Surfaces [ i ] . _Chains . size ( ) ; + + j )
{
if ( _Surfaces [ i ] . _Chains [ j ] . Chain = = ( sint ) chainId )
{
_Surfaces [ i ] . _Chains . erase ( _Surfaces [ i ] . _Chains . begin ( ) + j ) ;
uint k ;
for ( k = 0 ; k < replacement . size ( ) ; + + k )
{
CRetrievableSurface : : CSurfaceLink link ;
link . Chain = replacement [ k ] . Chain ;
link . Surface = ( replacement [ k ] . Left = = ( sint ) i ? replacement [ k ] . Right : replacement [ k ] . Left ) ;
_Surfaces [ i ] . _Chains . push_back ( link ) ;
}
break ;
}
}
// remove old chain and replace by new chains in surface loops
for ( j = 0 ; j < _Surfaces [ i ] . _Loops . size ( ) ; + + j )
{
uint k ;
for ( k = 0 ; k < _Surfaces [ i ] . _Loops [ j ] . size ( ) ; + + k )
{
if ( _Surfaces [ i ] . _Loops [ j ] [ k ] = = chainId )
{
_Surfaces [ i ] . _Loops [ j ] . erase ( _Surfaces [ i ] . _Loops [ j ] . begin ( ) + k ) ;
uint m ;
for ( m = 0 ; m < replacement . size ( ) ; + + m )
_Surfaces [ i ] . _Loops [ j ] . insert ( _Surfaces [ i ] . _Loops [ j ] . begin ( ) + k + m , uint16 ( replacement [ m ] . Chain ) ) ;
break ;
}
}
}
}
}
/*
* Check surface integrity
*/
bool NLPACS : : CLocalRetriever : : checkSurfacesIntegrity ( NLMISC : : CVector translation , bool verbose ) const
{
bool success = true ;
uint surf ;
for ( surf = 0 ; surf < _Surfaces . size ( ) ; + + surf )
{
if ( ! checkSurfaceIntegrity ( surf , translation , verbose ) )
{
success = false ;
if ( verbose )
{
dumpSurface ( surf , translation ) ;
}
}
}
return success ;
}
/**
* Check surface integrity
*/
bool NLPACS : : CLocalRetriever : : checkSurfaceIntegrity ( uint surf , NLMISC : : CVector translation , bool verbose ) const
{
if ( surf > = _Surfaces . size ( ) )
return false ;
const CRetrievableSurface & surface = _Surfaces [ surf ] ;
2010-05-13 20:23:34 +00:00
uint nloops = ( uint ) surface . getLoops ( ) . size ( ) ;
2010-05-06 00:08:41 +00:00
std : : vector < std : : pair < CVector2s , CVector2s > > edges ;
uint iloop ;
uint i , j , k ;
for ( iloop = 0 ; iloop < nloops ; + + iloop )
{
const CRetrievableSurface : : TLoop & loop = surface . getLoop ( iloop ) ;
for ( i = 0 ; i < loop . size ( ) ; + + i )
{
// loop[i] is the index in the surface list of chains
// so surface._Chains[loop[i]].Chain is really the chain id !!!
const CChain & chain = _Chains [ surface . _Chains [ loop [ i ] ] . Chain ] ;
for ( j = 0 ; j < chain . getSubChains ( ) . size ( ) ; + + j )
{
const COrderedChain & ochain = _OrderedChains [ chain . getSubChain ( j ) ] ;
for ( k = 0 ; k + 1 < ochain . getVertices ( ) . size ( ) ; + + k )
{
edges . push_back ( make_pair < CVector2s , CVector2s > ( ochain [ k ] , ochain [ k + 1 ] ) ) ;
}
}
}
}
bool success = true ;
for ( i = 0 ; i + 1 < edges . size ( ) ; + + i )
{
for ( j = i + 1 ; j < edges . size ( ) ; + + j )
{
CVector2s a0 = edges [ i ] . first ,
a1 = edges [ i ] . second ;
CVector2s b0 = edges [ j ] . first ,
b1 = edges [ j ] . second ;
double a , b ;
bool inters = CVector2s : : intersect ( a0 , a1 , b0 , b1 , & a , & b ) ;
if ( ! inters )
continue ;
double da = ( a1 - a0 ) . norm ( ) ;
double db = ( b1 - b0 ) . norm ( ) ;
bool tipa = ( fabs ( a ) * da < 4.0e-2 | | fabs ( 1.0 - a ) * da < 4.0e-2 ) ;
bool tipb = ( fabs ( b ) * db < 4.0e-2 | | fabs ( 1.0 - b ) * db < 4.0e-2 ) ;
if ( tipa & & tipb )
continue ;
CVector2s ip = a0 + ( a1 - a0 ) * ( float ) a ;
CVector p = ip . unpack3f ( ) - translation ;
nlwarning ( " Surface %d has issue at position (%f,%f) " , surf , p . x , p . y ) ;
if ( verbose )
{
NLMISC : : CVector v ;
v = a0 . unpack3f ( ) - translation ;
nlwarning ( " -- a0: (%f,%f) " , v . x , v . y ) ;
v = a1 . unpack3f ( ) - translation ;
nlwarning ( " -- a1: (%f,%f) " , v . x , v . y ) ;
v = b0 . unpack3f ( ) - translation ;
nlwarning ( " -- b0: (%f,%f) " , v . x , v . y ) ;
v = b1 . unpack3f ( ) - translation ;
nlwarning ( " -- b1: (%f,%f) " , v . x , v . y ) ;
}
success = false ;
}
}
return success ;
}