watrbx-game-engine/App/v8world/Clump.cpp

/* Copyright 2003-2007 ROBLOX Corporation, All Rights Reserved */
#include "stdafx.h"

#include "V8World/Clump.h"
#include "V8World/Primitive.h"
#include "V8World/MotorJoint.h"
#include "V8World/RigidJoint.h"
#include "V8DataModel/JointInstance.h"

namespace RBX {
	

/////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////

Clump::Clump()
{}


Clump::~Clump()
{}

bool Clump::isClumpRootPrimitive(const Primitive* p)
{
	return IndexedMesh::isUpperRoot(p);
}


Clump* Clump::getPrimitiveClump(Primitive* p)
{
	return rbx_static_cast<Clump*>(p->getComputedUpper());
}


const Clump* Clump::getConstPrimitiveClump(const Primitive* p)
{
	return rbx_static_cast<const Clump*>(p->getConstComputedUpper());
}

// TODO:  redundant code
void Clump::loadConstMotors(G3D::Array<const Joint*>& load, bool nonAnimatedOnly) const
{
	RBXASSERT(getConstTypedLower<Primitive>());
	const SpanningEdge* edge = getConstTypedLower<Primitive>()->getConstEdgeToParent();
	RBXASSERT(edge);
	
	const Joint* j = rbx_static_cast<const Joint*>(edge);

	if (Joint::isMotorJoint(j)) 
	{
		const Motor* jointInstance = static_cast<const Motor*>(j->getJointOwner());
		if ((!nonAnimatedOnly) || (!jointInstance->getIsAnimatedJoint()))
		{
			load.append(j);
		}

	}
	for (int i = 0; i < numChildren(); ++i) {
		getConstTypedChild<Clump>(i)->loadConstMotors(load, nonAnimatedOnly);
	}
}

// TODO:  redundant code
void Clump::loadMotors(G3D::Array<Joint*>& load, bool nonAnimatedOnly)
{
	RBXASSERT(getTypedLower<Primitive>());
	SpanningEdge* edge = getTypedLower<Primitive>()->getEdgeToParent();
	RBXASSERT(edge);
	
	Joint* j = rbx_static_cast<Joint*>(edge);

	if (Joint::isMotorJoint(j)) 
	{
		Motor* jointInstance = static_cast<Motor*>(j->getJointOwner());
		if ((!nonAnimatedOnly) || (!jointInstance->getIsAnimatedJoint()))
		{
			load.append(j);
		}
	}
	for (int i = 0; i < numChildren(); ++i) {
		getTypedChild<Clump>(i)->loadMotors(load, nonAnimatedOnly);
	}
}



//////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////
/*
bool PrimIterator::isParent(Primitive* parentCandidate, Primitive* child, SearchType searchType)
{
	RBXASSERT(child && parentCandidate);
	RBXASSERT(child->getTypedParent<Primitive>() == parentCandidate);

	Joint* joint = rbx_static_cast<Joint*>(child->getEdgeToParent());

	RBXASSERT(Joint::isSpanningTreeJoint(joint));

	switch (searchType)
	{
		case IN_CLUMP:	
			{
				bool inSameClump = Joint::isRigidJoint(joint);
				RBXASSERT(inSameClump == (!child->getTypedUpper<Clump>()));
				RBXASSERT(inSameClump == (child->getClump() == parentCandidate->getClump()));
				return inSameClump;
			}

		case IN_ASSEMBLY:
			{
				bool inSameAssembly = Joint::isKinematicJoint(joint);
				RBXASSERT(inSameAssembly == (child->getAssembly() == parentCandidate->getAssembly()));
				return inSameAssembly;
			}

		default:			
			{
				RBXASSERT(0);
				return false;
			}
	}
}



Primitive* PrimIterator::findParent(Primitive* p, SearchType searchType)
{
	Primitive* parent = p->getTypedParent<Primitive>();

	if (parent && isParent(parent, p, searchType)) {
		return parent;
	}
	else {
		return NULL;
	}
}


Primitive* PrimIterator::findFirstChild(Primitive* p, SearchType searchType)
{
	for (int i = 0; i < p->numChildren(); ++i) {
		Primitive* child = p->getTypedChild<Primitive>(i);
		if (isParent(p, child, searchType)) {
			return child;
		}
	}
	return NULL;
}


Primitive* PrimIterator::findNextSibling(Primitive* parent, Primitive* sibling, SearchType searchType)
{
	Primitive* latched = NULL;

	for (int i = 0; i < parent->numChildren(); ++i) {
		Primitive* child = parent->getTypedChild<Primitive>(i);
		if (isParent(parent, child, searchType)) {
			if (child == sibling) {
				RBXASSERT(!latched);
				latched = child;
			}
			else {
				if (latched) {
					return child;
				}
			}
		}
	}
	return NULL;
}


Primitive* PrimIterator::findNextRelative(Primitive* parent, Primitive* p, SearchType searchType)
{
	if (!parent) {
		return NULL;
	}
	else if (Primitive* sibling = findNextSibling(parent, p, searchType)) {
		return sibling;
	}
	else {
		Primitive* parentParent = findParent(parent, searchType);
		return findNextRelative(parentParent, parent, searchType);
	}
}

Primitive* PrimIterator::getNextPrimitive(Primitive* p, SearchType searchType)
{
	if (Primitive* firstChild = findFirstChild(p, searchType)) {
		return firstChild;
	}
	else {
		Primitive* parent = findParent(p, searchType);
		return findNextRelative(parent, p, searchType);
	}
}


PrimIterator& PrimIterator::operator++()
{
	primitive = getNextPrimitive(primitive, searchType);
	return *this;
}

*/


}	// namespace