Smooth the z displacement of entities

nel/include/nel/pacs/move_container.h

@@ -244,7 +244,7 @@ private:
 												CCollisionOTStaticInfo *staticColInfo);
 
 	// Add a trigger in the trigger array
-	void						newTrigger (CMovePrimitive* first, CMovePrimitive* second, const CCollisionDesc& desc, uint triggerType);
+	bool						newTrigger (CMovePrimitive* first, CMovePrimitive* second, const CCollisionDesc& desc, uint triggerType);
 
 	// Clear modified primitive list
 	void						clearModifiedList (uint8 worldImage);

nel/include/nel/pacs/move_primitive.h

@@ -251,6 +251,28 @@ public:
 		_Height=height;
 	}
 
+	void setZFinalPosition(float pos)
+	{
+		_ZFinalPosition = pos;
+	}
+
+	float getZFinalPosition()
+	{
+		return _ZFinalPosition;
+	}
+
+
+	bool haveZOffset()
+	{
+		return _HaveZOffset;
+	}
+
+	void enableZOffset(bool enabled)
+	{
+		_HaveZOffset = enabled;
+	}
+
+
 	/**
 	  * Set the cylinder size. Only for cylinder.
 	  *
@@ -466,6 +488,11 @@ private:
 
 	// Iteration count
 	sint32				_IterationCount;
+
+	float 				_ZOffset;
+	float 				_ZFinalPosition;
+	bool				_HaveZOffset;
+
 };
 
 } // NLPACS

nel/include/nel/pacs/u_move_primitive.h

@@ -114,6 +114,12 @@ public:
 		  * This is an overlap trigger. This trigger is actived each time the object overlap the trigger.
 		  */
 		OverlapTrigger=0x400,
+
+		/**
+		  * This is an stairs trigger. This trigger is actived each time the object overlap the trigger and change Z position.
+		  */
+		OverlapStairsTrigger=0x800,
+
 	};
 
 	/**
@@ -274,6 +280,14 @@ public:
 	  */
 	virtual float			getHeight () const =0;
 
+	virtual void setZFinalPosition(float pos) =0;
+
+	virtual float getZFinalPosition() =0;
+
+	virtual bool haveZOffset() =0;
+
+	virtual void enableZOffset(bool enabled) =0;
+
 	/**
 	  * Set the cylinder size. Only for cylinder.
 	  *

nel/src/pacs/move_container.cpp

@@ -918,8 +918,10 @@ bool CMoveContainer::evalPrimAgainstPrimCollision (double beginTime, CMovePrimit
 			|| (otherPrimitive->getTriggerType()&UMovePrimitive::EnterTrigger));
 		bool exit = (beginTime<=lastTime) && (lastTime<_DeltaTime) && ((primitive->getTriggerType()&UMovePrimitive::ExitTrigger)
 			|| (otherPrimitive->getTriggerType()&UMovePrimitive::ExitTrigger));
-		bool overlap = (firstTime<=beginTime) && (lastTime>_DeltaTime) && ((primitive->getTriggerType()&UMovePrimitive::OverlapTrigger)
+		bool overlap = ((firstTime<=beginTime) && (lastTime>_DeltaTime) && ((primitive->getTriggerType()&UMovePrimitive::OverlapTrigger)
-			|| (otherPrimitive->getTriggerType()&UMovePrimitive::OverlapTrigger));
+			|| (otherPrimitive->getTriggerType()&UMovePrimitive::OverlapTrigger)) ||
+		(firstTime<=beginTime) && (lastTime>_DeltaTime) && ((primitive->getTriggerType()&UMovePrimitive::OverlapStairsTrigger)
+			|| (otherPrimitive->getTriggerType()&UMovePrimitive::OverlapStairsTrigger)));
 		bool contact = ( beginTime<((firstTime+lastTime)/2) ) && (firstTime<=_DeltaTime);
 		bool collision = contact && (primitive->isObstacle() && otherPrimitive->isObstacle ());
 
@@ -1211,7 +1213,7 @@ void CMoveContainer::newCollision (CMovePrimitive* first, const CCollisionSurfac
 
 // ***************************************************************************
 
-void CMoveContainer::newTrigger (CMovePrimitive* first, CMovePrimitive* second, const CCollisionDesc& desc, uint triggerType)
+bool CMoveContainer::newTrigger (CMovePrimitive* first, CMovePrimitive* second, const CCollisionDesc& desc, uint triggerType)
 {
 	// Element index
 	uint index=(uint)_Triggers.size();
@@ -1224,6 +1226,14 @@ void CMoveContainer::newTrigger (CMovePrimitive* first, CMovePrimitive* second,
 	_Triggers[index].Object1=second->UserData;
 	_Triggers[index].CollisionDesc=desc;
 	_Triggers[index].CollisionType = uint8(triggerType);
+
+
+	if (second->_StaticFlags&UMovePrimitive::OverlapStairsTrigger) {
+		nlinfo("Col Stairs height %f", second->getHeight());
+		return true;
+	}
+
+	return false;
 }
 
 // ***************************************************************************
@@ -1659,8 +1669,17 @@ void CMoveContainer::reaction (const CCollisionOTInfo& first)
 					newTrigger (dynInfo->getFirstPrimitive (), dynInfo->getSecondPrimitive (), dynInfo->getCollisionDesc (), UTriggerInfo::In);
 				if (dynInfo->isExit())
 					newTrigger (dynInfo->getFirstPrimitive (), dynInfo->getSecondPrimitive (), dynInfo->getCollisionDesc (), UTriggerInfo::Out);
-				if (dynInfo->isInside())
+				if (dynInfo->isInside()) {
-					newTrigger (dynInfo->getFirstPrimitive (), dynInfo->getSecondPrimitive (), dynInfo->getCollisionDesc (), UTriggerInfo::Inside);
+					if (newTrigger (dynInfo->getFirstPrimitive (), dynInfo->getSecondPrimitive (), dynInfo->getCollisionDesc (), UTriggerInfo::Inside))
+					{
+						dynInfo->getFirstPrimitive()->enableZOffset(true);
+						CVectorD first_pos = dynInfo->getFirstPrimitive()->getFinalPosition(dynInfo->getFirstWorldImage());
+						CVectorD second_pos = dynInfo->getSecondPrimitive()->getFinalPosition(dynInfo->getSecondWorldImage());
+						dynInfo->getFirstPrimitive()->setZFinalPosition(second_pos.z+dynInfo->getSecondPrimitive()->getHeight()-10.0f);
+					}
+				}
+				if (dynInfo->isExit())
+					newTrigger (dynInfo->getFirstPrimitive (), dynInfo->getSecondPrimitive (), dynInfo->getCollisionDesc (), UTriggerInfo::Out);
 			}
 		}
 	}

nel/src/pacs/move_primitive.cpp

@@ -49,6 +49,8 @@ CMovePrimitive::CMovePrimitive (CMoveContainer* container, uint8 firstWorldImage
 	_StaticFlags=0;
 	_RootOTInfo=NULL;
 	_LastTestTime=0xffffffff;
+	_ZOffset = 0;
+	_HaveZOffset = false;
 
 	// Ptr table alloc
 	_WorldImages=_Container->allocateWorldImagesPtrs (numWorldImage);
@@ -149,6 +151,11 @@ bool CMovePrimitive::isTriggered (CMovePrimitive& second, bool enter, bool exit)
 {
 	// Generate a trigger ?
 
+
+	// Is one of them is a stairs trigger ?
+	if ( second._StaticFlags&OverlapStairsTrigger )
+		return true;
+
 	// Is the two are not triggers ?
 	if ( ( (_StaticFlags&TriggerMask) == NotATrigger ) && ( (second._StaticFlags&TriggerMask) == NotATrigger ) )
 		return false;

ryzom/client/src/character_cl.cpp

@@ -426,7 +426,7 @@ void CCharacterCL::computePrimitive()
 	// Initialize the primitive.
 	if (_Sheet)
 	{
-		initPrimitive(_Sheet->ColRadius*getScale(), _Sheet->ColHeight*getScale(), _Sheet->ColLength, _Sheet->ColWidth, UMovePrimitive::DoNothing, UMovePrimitive::NotATrigger, MaskColNpc, MaskColNone, _Sheet->ClipRadius, _Sheet->ClipHeight);
+		initPrimitive(_Sheet->ColRadius*getScale(), _Sheet->ColHeight*getScale(), _Sheet->ColLength, _Sheet->ColWidth, UMovePrimitive::DoNothing, (UMovePrimitive::TTrigger)(UMovePrimitive::OverlapTrigger | UMovePrimitive::EnterTrigger), MaskColNpc, MaskColDoor, _Sheet->ClipRadius, _Sheet->ClipHeight);
 	}
 	else
 	{
@@ -976,7 +976,7 @@ bool CCharacterCL::build(const CEntitySheet *sheet)	// virtual
 	_CustomScalePos *= getScale();
 
 	// Create PACS Primitive.
-	initPrimitive(_Sheet->ColRadius*getScale(), _Sheet->ColHeight*getScale(), _Sheet->ColLength, _Sheet->ColWidth, UMovePrimitive::DoNothing, UMovePrimitive::NotATrigger, MaskColNpc, MaskColNone, _Sheet->ClipRadius, _Sheet->ClipHeight);
+	initPrimitive(_Sheet->ColRadius*getScale(), _Sheet->ColHeight*getScale(), _Sheet->ColLength, _Sheet->ColWidth, UMovePrimitive::DoNothing, (UMovePrimitive::TTrigger)(UMovePrimitive::OverlapTrigger | UMovePrimitive::EnterTrigger), MaskColNpc, MaskColDoor, _Sheet->ClipRadius, _Sheet->ClipHeight);
 
 	// Compute the element to be able to snap the entity to the ground.
 	computeCollisionEntity();

ryzom/client/src/entities.cpp

@@ -945,6 +945,8 @@ bool CEntityManager::setupInstance(uint32 idx, const vector<string> &keys, const
 			float height = primitive->getHeight();
 
 			CVector size = CVector(width, depth, height);
+			if (primitive->getTriggerType() == UMovePrimitive::OverlapStairsTrigger)
+				size.z -= 10.0f;
 			float v;
 			if (getRelativeFloatFromString(values[i], v))
 			{
@@ -954,6 +956,8 @@ bool CEntityManager::setupInstance(uint32 idx, const vector<string> &keys, const
 			{
 				updateVector(param, size, v, false);
 			}
+			if (primitive->getTriggerType() == UMovePrimitive::OverlapStairsTrigger)
+				size.z += 10.0f;
 			primitive->setSize(size.x, size.y);
 			primitive->setHeight(size.z);
 		}
@@ -1024,9 +1028,23 @@ bool CEntityManager::setupInstance(uint32 idx, const vector<string> &keys, const
 			fromString(values[i], active);
 			primitive->setObstacle(active);
 		}
-		else if (param == "col obstacle")
+		else if (param == "col stairs")
 		{
-			
+			bool active;
+			fromString(values[i], active);
+			primitive->setObstacle(!active);
+			if (active)
+			{
+				primitive->setReactionType(UMovePrimitive::DoNothing);
+				primitive->setTriggerType(UMovePrimitive::OverlapStairsTrigger);
+				primitive->setGlobalPosition(instance.getPos(), dynamicWI);
+			}
+			else
+			{
+				primitive->setReactionType(UMovePrimitive::Slide);
+				primitive->setTriggerType(UMovePrimitive::NotATrigger);
+				primitive->setGlobalPosition(instance.getPos(), dynamicWI);
+			}
 		}
 	}
 

ryzom/client/src/entity_cl.cpp

@@ -740,6 +740,8 @@ void CEntityCL::init()
 		_EntityName = "Name";
 	}
 	_NameId = 0;
+	_LastSnapToGroup = 0;
+	_CurrentZOffset = 0;
 
 	_PermanentStatutIcon.clear();
 
@@ -1478,8 +1480,20 @@ void CEntityCL::pacsMove(const CVectorD &vect)
 		if ((fabs (deltaPos.x) > 0.05) || (fabs (deltaPos.y) > 0.05))
 		{
 			_HasMoved = true;
+			_Primitive->enableZOffset(false);
 			_Primitive->move (deltaPos, dynamicWI);
 		}
+		else
+		{
+			// This code force the player to move even when not moving, it's used to trigger special collissions
+			if (isUser())
+			{
+				_HasMoved = true;
+				deltaPos.x = 0.0001;
+				_Primitive->move (deltaPos, dynamicWI);
+			}
+
+		}
 	}
 	else
 	{
@@ -1713,6 +1727,43 @@ void CEntityCL::snapToGround()
 		pos().z = vect.z;
 	}
 
+	if (_Primitive->haveZOffset())
+	{
+
+		if (_LastSnapToGroup > 0)
+		{
+			if (pos().z + _CurrentZOffset < _Primitive->getZFinalPosition())
+			{
+				_CurrentZOffset += (ryzomGetLocalTime() - _LastSnapToGroup)/100.0f;
+
+				if (pos().z + _CurrentZOffset > _Primitive->getZFinalPosition())
+					_CurrentZOffset = _Primitive->getZFinalPosition() - pos().z;
+			}
+
+			if (pos().z + _CurrentZOffset > _Primitive->getZFinalPosition())
+			{
+				_CurrentZOffset -= (ryzomGetLocalTime() - _LastSnapToGroup)/100.0f;
+
+				if (pos().z + _CurrentZOffset < _Primitive->getZFinalPosition())
+					_CurrentZOffset = _Primitive->getZFinalPosition() - pos().z;
+			}
+
+			pos().z += _CurrentZOffset;
+		}
+	}
+	else
+	{
+		if (_CurrentZOffset > 0)
+		{
+			_CurrentZOffset -= (ryzomGetLocalTime() - _LastSnapToGroup)/100.0f;
+
+			if (_CurrentZOffset < 0)
+				_CurrentZOffset = 0;
+			pos().z += _CurrentZOffset;
+		}
+	}
+	_LastSnapToGroup = ryzomGetLocalTime();
+
 	// Set the box position.
 	posBox(pos());
 }// snapToGround //

ryzom/client/src/entity_cl.h

@@ -949,6 +949,10 @@ protected:
 	uint32							_NameId;
 	// Primitive used for the collision in PACS
 	NLPACS::UMovePrimitive			*_Primitive;
+
+	uint64 							_LastSnapToGroup;
+	float							_CurrentZOffset;
+
 	// 3D Logic info for light request.
 	CEntityLogicInfo3D				_LogicInfo3D;
 	// Box around the entity.

ryzom/client/src/main_loop.cpp

@@ -2982,15 +2982,41 @@ CVector PacsBox[PacsBoxPointCount] =
 	CVector(	0.5f,	0.5f,	0),	CVector(	-0.5f,	0.5f,	0),
 	CVector(	-0.5f,	0.5f,	0),	CVector(	-0.5f,	-0.5f,	0),
 
+	CVector(	-0.5f,	-0.5f,	0),	CVector(	-0.5f,	-0.5f,	1),
+	CVector(	0.5f,	-0.5f,	0),	CVector(	0.5f,	-0.5f,	1),
+	CVector(	0.5f,	0.5f,	0),	CVector(	0.5f,	0.5f,	1),
+	CVector(	-0.5f,	0.5f,	0),	CVector(	-0.5f,	0.5f,	1),
+
 	CVector(	-0.5f,	-0.5f,	1),	CVector(	0.5f,	-0.5f,	1),
 	CVector(	0.5f,	-0.5f,	1),	CVector(	0.5f,	0.5f,	1),
 	CVector(	0.5f,	0.5f,	1),	CVector(	-0.5f,	0.5f,	1),
 	CVector(	-0.5f,	0.5f,	1),	CVector(	-0.5f,	-0.5f,	1),
+};
+
+const uint PacsStairPointCount = 32;
+
+CVector PacsStair[PacsStairPointCount] =
+{
+	CVector(	-0.5f,	-0.5f,	0),	CVector(	0.5f,	-0.5f,	0),
+	CVector(	0.5f,	-0.5f,	0),	CVector(	0.5f,	0.5f,	0),
+	CVector(	0.5f,	0.5f,	0),	CVector(	-0.5f,	0.5f,	0),
+	CVector(	-0.5f,	0.5f,	0),	CVector(	-0.5f,	-0.5f,	0),
 
 	CVector(	-0.5f,	-0.5f,	0),	CVector(	-0.5f,	-0.5f,	1),
 	CVector(	0.5f,	-0.5f,	0),	CVector(	0.5f,	-0.5f,	1),
 	CVector(	0.5f,	0.5f,	0),	CVector(	0.5f,	0.5f,	1),
 	CVector(	-0.5f,	0.5f,	0),	CVector(	-0.5f,	0.5f,	1),
+
+	CVector(	-0.5f,	-0.5f,	1),	CVector(	0.5f,	-0.5f,	1),
+	CVector(	0.5f,	-0.5f,	1),	CVector(	0.5f,	0.5f,	1),
+	CVector(	0.5f,	0.5f,	1),	CVector(	-0.5f,	0.5f,	1),
+	CVector(	-0.5f,	0.5f,	1),	CVector(	-0.5f,	-0.5f,	1),
+
+	CVector(	-0.5f,	-0.5f,	1),	CVector(	0.5f,	0.5f,	1),
+	CVector(	-0.5f,	0.5f,	1),	CVector(	0.5f,	-0.5f,	1),
+	CVector(	-0.5f,	0,		1),	CVector(	0.5f,	0,		1),
+	CVector(	0,	-	0.5f,	1),	CVector(	0,		0.5f,	1),
+
 };
 
 const uint PacsCylPointCount = 48;
@@ -3044,6 +3070,7 @@ void displayPACSPrimitive()
 
 		// Distance
 		CVector position = prim->getFinalPosition(wI);
+		bool isStairs = false;
 		if ((position-UserEntity->pos()).sqrnorm() < (200*200))
 		{
 			// Choose a color
@@ -3051,7 +3078,13 @@ void displayPACSPrimitive()
 			if (prim->isCollisionable())
 			{
 				// Static collision
-				if (prim->getReactionType() == UMovePrimitive::DoNothing)
+				if (prim->getTriggerType() == UMovePrimitive::OverlapStairsTrigger)
+				{
+					line.Color0 = CRGBA::Green;
+					isStairs = true;
+					position.z -= 10.0f;
+				}
+				else if (prim->getReactionType() == UMovePrimitive::DoNothing)
  				{
 					line.Color0 = CRGBA::Red;
 				}
@@ -3081,9 +3114,17 @@ void displayPACSPrimitive()
 
 			// Draw the primitive
 			if (prim->getPrimitiveType() == UMovePrimitive::_2DOrientedBox)
+			{
+				if (isStairs)
+				{
+					lines = PacsStair;
+					linecount = PacsStairPointCount/2;
+				}
+				else
 				{
 					lines = PacsBox;
 					linecount = PacsBoxPointCount/2;
+				}
 				float width;
 				float depth;
 				prim->getSize (width, depth);