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/**
* @file llpathfindinglinksets.cpp
* @author William Todd Stinson
* @brief Definition of a pathfinding linkset that contains various properties required for havok pathfinding.
*
* $LicenseInfo:firstyear=2002&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "llpathfindinglinkset.h"
#include <string>
#include "llpathfindingobject.h"
#include "llsd.h"
#define LINKSET_LAND_IMPACT_FIELD "landimpact"
#define LINKSET_MODIFIABLE_FIELD "modifiable"
#define LINKSET_CATEGORY_FIELD "navmesh_category"
#define LINKSET_CAN_BE_VOLUME "can_be_volume"
#define LINKSET_PHANTOM_FIELD "phantom"
#define LINKSET_WALKABILITY_A_FIELD "A"
#define LINKSET_WALKABILITY_B_FIELD "B"
#define LINKSET_WALKABILITY_C_FIELD "C"
#define LINKSET_WALKABILITY_D_FIELD "D"
#define LINKSET_CATEGORY_VALUE_INCLUDE 0
#define LINKSET_CATEGORY_VALUE_EXCLUDE 1
#define LINKSET_CATEGORY_VALUE_IGNORE 2
//---------------------------------------------------------------------------
// LLPathfindingLinkset
//---------------------------------------------------------------------------
const S32 LLPathfindingLinkset::MIN_WALKABILITY_VALUE(0);
const S32 LLPathfindingLinkset::MAX_WALKABILITY_VALUE(100);
LLPathfindingLinkset::LLPathfindingLinkset(const LLSD& pTerrainData)
: LLPathfindingObject(),
mIsTerrain(true),
mLandImpact(0U),
#ifdef MISSING_MODIFIABLE_FIELD_WAR
mHasModifiable(true),
#endif // MISSING_MODIFIABLE_FIELD_WAR
mIsModifiable(FALSE),
mCanBeVolume(FALSE),
mLinksetUse(kUnknown),
mWalkabilityCoefficientA(MIN_WALKABILITY_VALUE),
mWalkabilityCoefficientB(MIN_WALKABILITY_VALUE),
mWalkabilityCoefficientC(MIN_WALKABILITY_VALUE),
mWalkabilityCoefficientD(MIN_WALKABILITY_VALUE)
{
parsePathfindingData(pTerrainData);
}
LLPathfindingLinkset::LLPathfindingLinkset(const std::string &pUUID, const LLSD& pLinksetData)
: LLPathfindingObject(pUUID, pLinksetData),
mIsTerrain(false),
mLandImpact(0U),
#ifdef MISSING_MODIFIABLE_FIELD_WAR
mHasModifiable(false),
#endif // MISSING_MODIFIABLE_FIELD_WAR
mIsModifiable(TRUE),
mCanBeVolume(TRUE),
mLinksetUse(kUnknown),
mWalkabilityCoefficientA(MIN_WALKABILITY_VALUE),
mWalkabilityCoefficientB(MIN_WALKABILITY_VALUE),
mWalkabilityCoefficientC(MIN_WALKABILITY_VALUE),
mWalkabilityCoefficientD(MIN_WALKABILITY_VALUE)
{
parseLinksetData(pLinksetData);
parsePathfindingData(pLinksetData);
}
LLPathfindingLinkset::LLPathfindingLinkset(const LLPathfindingLinkset& pOther)
: LLPathfindingObject(pOther),
mIsTerrain(pOther.mIsTerrain),
mLandImpact(pOther.mLandImpact),
#ifdef MISSING_MODIFIABLE_FIELD_WAR
mHasModifiable(pOther.mHasModifiable),
mIsModifiable(pOther.mHasModifiable ? pOther.mIsModifiable : TRUE),
#else // MISSING_MODIFIABLE_FIELD_WAR
mIsModifiable(pOther.mIsModifiable),
#endif // MISSING_MODIFIABLE_FIELD_WAR
mCanBeVolume(pOther.mCanBeVolume),
mLinksetUse(pOther.mLinksetUse),
mWalkabilityCoefficientA(pOther.mWalkabilityCoefficientA),
mWalkabilityCoefficientB(pOther.mWalkabilityCoefficientB),
mWalkabilityCoefficientC(pOther.mWalkabilityCoefficientC),
mWalkabilityCoefficientD(pOther.mWalkabilityCoefficientD)
{
}
LLPathfindingLinkset::~LLPathfindingLinkset()
{
}
LLPathfindingLinkset& LLPathfindingLinkset::operator =(const LLPathfindingLinkset& pOther)
{
dynamic_cast<LLPathfindingObject &>(*this) = pOther;
mIsTerrain = pOther.mIsTerrain;
mLandImpact = pOther.mLandImpact;
#ifdef MISSING_MODIFIABLE_FIELD_WAR
if (pOther.mHasModifiable)
{
mHasModifiable = pOther.mHasModifiable;
mIsModifiable = pOther.mIsModifiable;
}
#else // MISSING_MODIFIABLE_FIELD_WAR
mIsModifiable = pOther.mIsModifiable;
#endif // MISSING_MODIFIABLE_FIELD_WAR
mCanBeVolume = pOther.mCanBeVolume;
mLinksetUse = pOther.mLinksetUse;
mWalkabilityCoefficientA = pOther.mWalkabilityCoefficientA;
mWalkabilityCoefficientB = pOther.mWalkabilityCoefficientB;
mWalkabilityCoefficientC = pOther.mWalkabilityCoefficientC;
mWalkabilityCoefficientD = pOther.mWalkabilityCoefficientD;
return *this;
}
BOOL LLPathfindingLinkset::isPhantom() const
{
return isPhantom(getLinksetUse());
}
LLPathfindingLinkset::ELinksetUse LLPathfindingLinkset::getLinksetUseWithToggledPhantom(ELinksetUse pLinksetUse)
{
BOOL isPhantom = LLPathfindingLinkset::isPhantom(pLinksetUse);
ENavMeshGenerationCategory navMeshGenerationCategory = getNavMeshGenerationCategory(pLinksetUse);
return getLinksetUse(!isPhantom, navMeshGenerationCategory);
}
bool LLPathfindingLinkset::isShowUnmodifiablePhantomWarning(ELinksetUse pLinksetUse) const
{
return (!isModifiable() && (isPhantom() != isPhantom(pLinksetUse)));
}
bool LLPathfindingLinkset::isShowCannotBeVolumeWarning(ELinksetUse pLinksetUse) const
{
return (!canBeVolume() && ((pLinksetUse == kMaterialVolume) || (pLinksetUse == kExclusionVolume)));
}
LLSD LLPathfindingLinkset::encodeAlteredFields(ELinksetUse pLinksetUse, S32 pA, S32 pB, S32 pC, S32 pD) const
{
LLSD itemData;
if (!isTerrain() && (pLinksetUse != kUnknown) && (getLinksetUse() != pLinksetUse) &&
(canBeVolume() || ((pLinksetUse != kMaterialVolume) && (pLinksetUse != kExclusionVolume))))
{
if (isModifiable())
{
itemData[LINKSET_PHANTOM_FIELD] = static_cast<bool>(isPhantom(pLinksetUse));
}
itemData[LINKSET_CATEGORY_FIELD] = convertCategoryToLLSD(getNavMeshGenerationCategory(pLinksetUse));
}
if (mWalkabilityCoefficientA != pA)
{
itemData[LINKSET_WALKABILITY_A_FIELD] = llclamp(pA, MIN_WALKABILITY_VALUE, MAX_WALKABILITY_VALUE);
}
if (mWalkabilityCoefficientB != pB)
{
itemData[LINKSET_WALKABILITY_B_FIELD] = llclamp(pB, MIN_WALKABILITY_VALUE, MAX_WALKABILITY_VALUE);
}
if (mWalkabilityCoefficientC != pC)
{
itemData[LINKSET_WALKABILITY_C_FIELD] = llclamp(pC, MIN_WALKABILITY_VALUE, MAX_WALKABILITY_VALUE);
}
if (mWalkabilityCoefficientD != pD)
{
itemData[LINKSET_WALKABILITY_D_FIELD] = llclamp(pD, MIN_WALKABILITY_VALUE, MAX_WALKABILITY_VALUE);
}
return itemData;
}
void LLPathfindingLinkset::parseLinksetData(const LLSD &pLinksetData)
{
llassert(pLinksetData.has(LINKSET_LAND_IMPACT_FIELD));
llassert(pLinksetData.get(LINKSET_LAND_IMPACT_FIELD).isInteger());
llassert(pLinksetData.get(LINKSET_LAND_IMPACT_FIELD).asInteger() >= 0);
mLandImpact = pLinksetData.get(LINKSET_LAND_IMPACT_FIELD).asInteger();
#ifdef MISSING_MODIFIABLE_FIELD_WAR
mHasModifiable = pLinksetData.has(LINKSET_MODIFIABLE_FIELD);
if (mHasModifiable)
{
llassert(pLinksetData.get(LINKSET_MODIFIABLE_FIELD).isBoolean());
mIsModifiable = pLinksetData.get(LINKSET_MODIFIABLE_FIELD).asBoolean();
}
#else // MISSING_MODIFIABLE_FIELD_WAR
llassert(pLinksetData.has(LINKSET_MODIFIABLE_FIELD));
llassert(pLinksetData.get(LINKSET_MODIFIABLE_FIELD).isBoolean());
mIsModifiable = pLinksetData.get(LINKSET_MODIFIABLE_FIELD).asBoolean();
#endif // MISSING_MODIFIABLE_FIELD_WAR
}
void LLPathfindingLinkset::parsePathfindingData(const LLSD &pLinksetData)
{
bool isPhantom = false;
if (pLinksetData.has(LINKSET_PHANTOM_FIELD))
{
llassert(pLinksetData.get(LINKSET_PHANTOM_FIELD).isBoolean());
isPhantom = pLinksetData.get(LINKSET_PHANTOM_FIELD).asBoolean();
}
llassert(pLinksetData.has(LINKSET_CATEGORY_FIELD));
mLinksetUse = getLinksetUse(isPhantom, convertCategoryFromLLSD(pLinksetData.get(LINKSET_CATEGORY_FIELD)));
if (pLinksetData.has(LINKSET_CAN_BE_VOLUME))
{
llassert(pLinksetData.get(LINKSET_CAN_BE_VOLUME).isBoolean());
mCanBeVolume = pLinksetData.get(LINKSET_CAN_BE_VOLUME).asBoolean();
}
llassert(pLinksetData.has(LINKSET_WALKABILITY_A_FIELD));
llassert(pLinksetData.get(LINKSET_WALKABILITY_A_FIELD).isInteger());
mWalkabilityCoefficientA = pLinksetData.get(LINKSET_WALKABILITY_A_FIELD).asInteger();
llassert(mWalkabilityCoefficientA >= MIN_WALKABILITY_VALUE);
llassert(mWalkabilityCoefficientA <= MAX_WALKABILITY_VALUE);
llassert(pLinksetData.has(LINKSET_WALKABILITY_B_FIELD));
llassert(pLinksetData.get(LINKSET_WALKABILITY_B_FIELD).isInteger());
mWalkabilityCoefficientB = pLinksetData.get(LINKSET_WALKABILITY_B_FIELD).asInteger();
llassert(mWalkabilityCoefficientB >= MIN_WALKABILITY_VALUE);
llassert(mWalkabilityCoefficientB <= MAX_WALKABILITY_VALUE);
llassert(pLinksetData.has(LINKSET_WALKABILITY_C_FIELD));
llassert(pLinksetData.get(LINKSET_WALKABILITY_C_FIELD).isInteger());
mWalkabilityCoefficientC = pLinksetData.get(LINKSET_WALKABILITY_C_FIELD).asInteger();
llassert(mWalkabilityCoefficientC >= MIN_WALKABILITY_VALUE);
llassert(mWalkabilityCoefficientC <= MAX_WALKABILITY_VALUE);
llassert(pLinksetData.has(LINKSET_WALKABILITY_D_FIELD));
llassert(pLinksetData.get(LINKSET_WALKABILITY_D_FIELD).isInteger());
mWalkabilityCoefficientD = pLinksetData.get(LINKSET_WALKABILITY_D_FIELD).asInteger();
llassert(mWalkabilityCoefficientD >= MIN_WALKABILITY_VALUE);
llassert(mWalkabilityCoefficientD <= MAX_WALKABILITY_VALUE);
}
BOOL LLPathfindingLinkset::isPhantom(ELinksetUse pLinksetUse)
{
BOOL retVal;
switch (pLinksetUse)
{
case kWalkable :
case kStaticObstacle :
case kDynamicObstacle :
retVal = false;
break;
case kMaterialVolume :
case kExclusionVolume :
case kDynamicPhantom :
retVal = true;
break;
case kUnknown :
default :
retVal = false;
llassert(0);
break;
}
return retVal;
}
LLPathfindingLinkset::ELinksetUse LLPathfindingLinkset::getLinksetUse(bool pIsPhantom, ENavMeshGenerationCategory pNavMeshGenerationCategory)
{
ELinksetUse linksetUse = kUnknown;
if (pIsPhantom)
{
switch (pNavMeshGenerationCategory)
{
case kNavMeshGenerationIgnore :
linksetUse = kDynamicPhantom;
break;
case kNavMeshGenerationInclude :
linksetUse = kMaterialVolume;
break;
case kNavMeshGenerationExclude :
linksetUse = kExclusionVolume;
break;
default :
linksetUse = kUnknown;
llassert(0);
break;
}
}
else
{
switch (pNavMeshGenerationCategory)
{
case kNavMeshGenerationIgnore :
linksetUse = kDynamicObstacle;
break;
case kNavMeshGenerationInclude :
linksetUse = kWalkable;
break;
case kNavMeshGenerationExclude :
linksetUse = kStaticObstacle;
break;
default :
linksetUse = kUnknown;
llassert(0);
break;
}
}
return linksetUse;
}
LLPathfindingLinkset::ENavMeshGenerationCategory LLPathfindingLinkset::getNavMeshGenerationCategory(ELinksetUse pLinksetUse)
{
ENavMeshGenerationCategory navMeshGenerationCategory;
switch (pLinksetUse)
{
case kWalkable :
case kMaterialVolume :
navMeshGenerationCategory = kNavMeshGenerationInclude;
break;
case kStaticObstacle :
case kExclusionVolume :
navMeshGenerationCategory = kNavMeshGenerationExclude;
break;
case kDynamicObstacle :
case kDynamicPhantom :
navMeshGenerationCategory = kNavMeshGenerationIgnore;
break;
case kUnknown :
default :
navMeshGenerationCategory = kNavMeshGenerationIgnore;
llassert(0);
break;
}
return navMeshGenerationCategory;
}
LLSD LLPathfindingLinkset::convertCategoryToLLSD(ENavMeshGenerationCategory pNavMeshGenerationCategory)
{
LLSD llsd;
switch (pNavMeshGenerationCategory)
{
case kNavMeshGenerationIgnore :
llsd = static_cast<S32>(LINKSET_CATEGORY_VALUE_IGNORE);
break;
case kNavMeshGenerationInclude :
llsd = static_cast<S32>(LINKSET_CATEGORY_VALUE_INCLUDE);
break;
case kNavMeshGenerationExclude :
llsd = static_cast<S32>(LINKSET_CATEGORY_VALUE_EXCLUDE);
break;
default :
llsd = static_cast<S32>(LINKSET_CATEGORY_VALUE_IGNORE);
llassert(0);
break;
}
return llsd;
}
LLPathfindingLinkset::ENavMeshGenerationCategory LLPathfindingLinkset::convertCategoryFromLLSD(const LLSD &llsd)
{
ENavMeshGenerationCategory navMeshGenerationCategory;
llassert(llsd.isInteger());
switch (llsd.asInteger())
{
case LINKSET_CATEGORY_VALUE_IGNORE :
navMeshGenerationCategory = kNavMeshGenerationIgnore;
break;
case LINKSET_CATEGORY_VALUE_INCLUDE :
navMeshGenerationCategory = kNavMeshGenerationInclude;
break;
case LINKSET_CATEGORY_VALUE_EXCLUDE :
navMeshGenerationCategory = kNavMeshGenerationExclude;
break;
default :
navMeshGenerationCategory = kNavMeshGenerationIgnore;
llassert(0);
break;
}
return navMeshGenerationCategory;
}
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