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source: GTP/trunk/Lib/Illum/IBRBillboardCloudTrees/OGRE/src/BBCBillboardCloud.cpp @ 821

Revision 821, 13.0 KB checked in by igarcia, 18 years ago (diff)

Rev	Line
[699]	1
	2	#include "BBCBillboardCloud.h"
	3
	4	namespace BBC {
	5
	6	BillboardCloud::BillboardCloud()
	7	{
[721]	8	//mEntity = new Entity();
	9	mEntity = 0;
[699]	10	}
	11
	12	BillboardCloud::~BillboardCloud()
	13	{
	14
	15	}
	16
[721]	17	std::vector<BillboardPtr>* BillboardCloud::getBillboardList()
[709]	18	{
	19	return &mBillboardList;
[699]	20	}
[709]	21
[721]	22	void BillboardCloud::setBillboardList(std::vector<BillboardPtr> &value)
[709]	23	{
	24	mBillboardList = value;
[699]	25	}
	26
	27	unsigned int BillboardCloud::getNumBillboards()
	28	{
	29	return (unsigned int)(mBillboardList.size());
	30	}
	31
[721]	32	void BillboardCloud::addBillboard(BillboardPtr value)
[699]	33	{
	34	value->setBillboardHandle((unsigned int)(mBillboardList.size()));
	35	mBillboardList.push_back(value);
	36	}
	37
	38	void BillboardCloud::removeBillboard(unsigned int value)
	39	{
[721]	40	BillboardPtr billboard = mBillboardList[value];
[699]	41	mBillboardList.erase(mBillboardList.begin() + value);
	42	}
	43
[721]	44	BillboardPtr BillboardCloud::getBillboard(unsigned int value)
[699]	45	{
	46	return mBillboardList[value];
	47	}
	48
[721]	49	EntityPtr BillboardCloud::getEntity()
[699]	50	{
	51	return mEntity;
	52	}
	53
[721]	54	void BillboardCloud::setEntity(EntityPtr value)
[699]	55	{
	56	mEntity = value;
	57	}
	58
	59	void BillboardCloud::generateBillboardCloud(bool mergeBillboards)
	60	{
[721]	61	mEntity = EntityPtr(new Entity());
[709]	62
[699]	63	unsigned int numGeneratedBillboardClouds = 0;
[821]	64	bool mergeBillboardCloudTexCoordGenerated = false;
	65
[699]	66	for (unsigned int iBillboard = 0; iBillboard < getNumBillboards(); iBillboard++)
	67	{
[721]	68	BillboardPtr billboard = this->getBillboard(iBillboard);
	69	EntityClusterPtr entityCluster = billboard->getBillboardClusterData()->getEntityCluster();
[699]	70
	71	if (entityCluster->getNumEntitiesClusterData() > 0)
	72	{
[721]	73	SubEntityPtr subEntity;
[699]	74	if (mergeBillboards)
	75	{
	76	subEntity = mEntity->getSubEntity(0);
[821]	77
	78	if (!mergeBillboardCloudTexCoordGenerated)
	79	{
	80	subEntity->enableVertexColours(true);
	81
	82	mergeBillboardCloudTexCoordGenerated = true;
	83	}
	84
[699]	85	unsigned int offset = subEntity->getNumFaces() * 3;
	86	Ogre::Vector3 indicesA = Ogre::Vector3(offset, offset + 1, offset + 2);
	87	subEntity->addFaceVerticesIDs(indicesA);
	88	offset = subEntity->getNumFaces()*3;
	89	Ogre::Vector3 indicesB = Ogre::Vector3(offset, offset + 1, offset + 2);
	90	subEntity->addFaceVerticesIDs(indicesB);
	91	}
	92	else
	93	{
	94	// The entity has by default one subentity, if we need more
	95	// we have to create them.
	96	if (numGeneratedBillboardClouds > 0)
	97	{
	98	mEntity->createSubEntity();
	99	}
	100	Ogre::Vector3 indices = Ogre::Vector3(0,1,2);
	101	subEntity = mEntity->getSubEntity(numGeneratedBillboardClouds);
[821]	102
	103	subEntity->enableVertexColours(true);
[709]	104
[821]	105	//Ogre::LogManager::getSingleton().logMessage("BBC-SubEntity(" + Ogre::StringConverter::toString(numGeneratedBillboardClouds) + ") - Num.Tex.Coord.Sets:" + Ogre::StringConverter::toString(subEntity->getNumTexCoordSets()));
[709]	106
[699]	107	subEntity->addFaceVerticesIDs(indices);
	108	subEntity->addFaceVerticesIDs(indices + Ogre::Vector3(3,3,3));
	109	}
	110
	111	UniqueVertex vFaceA1,vFaceA2,vFaceA3;
	112	// Face A of the billboard quad
	113	vFaceA1.position = billboard->getBillboardClusterData()->getQuadTopLeftCorner();
[821]	114	vFaceA2.position = billboard->getBillboardClusterData()->getQuadTopRightCorner();
	115	vFaceA3.position = billboard->getBillboardClusterData()->getQuadBottomRightCorner();
	116
[699]	117	vFaceA1.normal = billboard->getBillboardClusterData()->getNormal();
	118	vFaceA2.normal = billboard->getBillboardClusterData()->getNormal();
	119	vFaceA3.normal = billboard->getBillboardClusterData()->getNormal();
	120
[821]	121	vFaceA1.colour = Ogre::ColourValue(1.0 , 0.0, 0.0, 0.0).getAsARGB();
	122	vFaceA2.colour = Ogre::ColourValue(0.0, 0.0, 0.0, 0.0).getAsARGB();
	123	vFaceA3.colour = Ogre::ColourValue(0.0, 1.0 ,0.0, 0.0).getAsARGB();
	124
[699]	125	// Face B of the billboard quad
	126	UniqueVertex vFaceB1,vFaceB2,vFaceB3;
	127	vFaceB1.position = billboard->getBillboardClusterData()->getQuadBottomRightCorner();
[821]	128	vFaceB2.position = billboard->getBillboardClusterData()->getQuadBottomLeftCorner();
	129	vFaceB3.position = billboard->getBillboardClusterData()->getQuadTopLeftCorner();
	130
[699]	131	vFaceB1.normal = billboard->getBillboardClusterData()->getNormal();
	132	vFaceB2.normal = billboard->getBillboardClusterData()->getNormal();
	133	vFaceB3.normal = billboard->getBillboardClusterData()->getNormal();
	134
[821]	135	vFaceB1.colour = Ogre::ColourValue(0.0, 1.0 ,0.0, 0.0).getAsARGB();
	136	vFaceB2.colour = Ogre::ColourValue(1.0, 1.0, 0.0, 0.0).getAsARGB();
	137	vFaceB3.colour = Ogre::ColourValue(1.0, 0.0, 0.0, 0.0).getAsARGB();
	138
[699]	139	subEntity->addUniqueVertex(vFaceA1);
	140	subEntity->addUniqueVertex(vFaceA2);
	141	subEntity->addUniqueVertex(vFaceA3);
	142	subEntity->addUniqueVertex(vFaceB1);
	143	subEntity->addUniqueVertex(vFaceB2);
	144	subEntity->addUniqueVertex(vFaceB3);
	145
	146	numGeneratedBillboardClouds++;
	147	}
	148	}
	149	}
	150
[709]	151	void BillboardCloud::initializeBillboardCloudGroups(unsigned int numberGroups)
	152	{
	153	Ogre::LogManager::getSingleton().logMessage("Ini.Num.Billboard Groups:" + Ogre::StringConverter::toString(getNumBillboardGroups()));
	154
	155	while (getNumBillboardGroups() > 0)
	156	{
[721]	157	BillboardGroupPtr billboardGroup = getBillboardGroup(getNumBillboardGroups()-1);
[709]	158	removeBillboardGroup(getNumBillboardGroups()-1);
	159	}
	160
	161	Ogre::LogManager::getSingleton().logMessage("Clear.Num.Billboard Groups:" + Ogre::StringConverter::toString(getNumBillboardGroups()));
	162
	163	unsigned int iBillboardGroup;
	164	for (iBillboardGroup = 0; iBillboardGroup < numberGroups; iBillboardGroup++)
	165	{
[721]	166	BillboardGroupPtr billboardGroup = BillboardGroupPtr( new BillboardGroup() );
[709]	167	addBillboardGroup(billboardGroup);
	168	}
	169
	170	Ogre::LogManager::getSingleton().logMessage("New.Num.Billboard Groups:" + Ogre::StringConverter::toString(getNumBillboardGroups()));
	171
	172	unsigned int numGeneratedBillboardClouds = 0;
	173	for (unsigned int iBillboard = 0; iBillboard < getNumBillboards(); iBillboard++)
	174	{
[721]	175	BillboardPtr billboard = this->getBillboard(iBillboard);
	176	EntityClusterPtr entityCluster = billboard->getBillboardClusterData()->getEntityCluster();
[709]	177
	178	if (entityCluster->getNumEntitiesClusterData() > 0)
	179	{
[745]	180	for (unsigned int iBillboardGroup = 0; iBillboardGroup < billboard->getBillboardClusterData()->getNumUVMapGroups(); iBillboardGroup++)
	181	{
	182	billboard->getBillboardClusterData()->removeBillboardUVMapMax(iBillboardGroup);
	183	}
[709]	184	numGeneratedBillboardClouds++;
	185	}
	186	}
	187
	188	unsigned int numberBillboardsEachGroup = numGeneratedBillboardClouds / numberGroups;
	189	unsigned int numberBillboardsAddedFirstGroup = numGeneratedBillboardClouds % numberGroups;
	190
	191	Ogre::LogManager::getSingleton().logMessage("Num.Billboards:" + Ogre::StringConverter::toString(numGeneratedBillboardClouds));
	192	Ogre::LogManager::getSingleton().logMessage("Num.Billboards Each Group:" + Ogre::StringConverter::toString(numberBillboardsEachGroup));
	193	Ogre::LogManager::getSingleton().logMessage("Num.Billboards Added First Group:" + Ogre::StringConverter::toString(numberBillboardsAddedFirstGroup));
	194
	195	iBillboardGroup = 0;
	196	unsigned int iBillboardsInGroup = 0;
	197	for (unsigned int iBillboard = 0; iBillboard < getNumBillboards(); iBillboard++)
	198	{
[721]	199	BillboardPtr billboard = this->getBillboard(iBillboard);
	200	EntityClusterPtr entityCluster = billboard->getBillboardClusterData()->getEntityCluster();
[709]	201
	202	if (entityCluster->getNumEntitiesClusterData() > 0)
	203	{
	204	if ((iBillboardGroup == 0) && (iBillboardsInGroup < (numberBillboardsEachGroup + numberBillboardsAddedFirstGroup)))
	205	{
	206	getBillboardGroup(iBillboardGroup)->addBillboardHandle(billboard->getBillboardHandle());
	207	iBillboardsInGroup++;
	208	}
	209	else
	210	{
	211	if ((iBillboardGroup > 0) && (iBillboardsInGroup < numberBillboardsEachGroup))
	212	{
	213	getBillboardGroup(iBillboardGroup)->addBillboardHandle(billboard->getBillboardHandle());
	214	iBillboardsInGroup++;
	215	}
	216	else
	217	{
	218	iBillboardGroup++;
	219	iBillboardsInGroup = 0;
	220
	221	getBillboardGroup(iBillboardGroup)->addBillboardHandle(billboard->getBillboardHandle());
	222	iBillboardsInGroup++;
	223	}
	224	}
	225	}
	226	}
[699]	227	}
[709]	228
	229	void BillboardCloud::generateBillboardCloudGroups()
	230	{
[721]	231	SubEntityPtr subEntityGroup;
	232	SubEntityPtr subEntity;
	233	EntityPtr entity = EntityPtr(new Entity());
[709]	234	unsigned int numGeneratedBillboardClouds = 0;
	235
	236	for (unsigned int iBillboardGroup = 0; iBillboardGroup < this->getNumBillboardGroups(); iBillboardGroup++)
	237	{
	238	if (iBillboardGroup > 0)
	239	{
	240	entity->createSubEntity();
	241	Ogre::LogManager::getSingleton().logMessage("BillboardGroup:" + Ogre::StringConverter::toString(iBillboardGroup) + "--" + Ogre::StringConverter::toString(getBillboardGroup(iBillboardGroup)->getNumBillboards()));
	242	}
	243
	244	subEntityGroup = entity->getSubEntity(iBillboardGroup);
	245
[721]	246	BillboardGroupPtr billboardGroup = this->getBillboardGroup(iBillboardGroup);
[709]	247
[821]	248	//Ogre::LogManager::getSingleton().logMessage("BBCG-Num.Billboards:" + Ogre::StringConverter::toString(billboardGroup->getNumBillboards()));
[709]	249
	250	for (unsigned int iBillboard = 0; iBillboard < billboardGroup->getNumBillboards(); iBillboard++)
	251	{
	252	unsigned int billboardHandle = billboardGroup->getBillboardHandle(iBillboard);
[721]	253	BillboardPtr billboard = this->getBillboard(billboardHandle);
[709]	254
[751]	255	BillboardClusterData *billboardClusterData = billboard->getBillboardClusterData().get();
[709]	256
[751]	257	if (billboardClusterData != NULL)
	258	{
	259	EntityClusterPtr entityCluster = billboardClusterData->getEntityCluster();
	260
	261	if (entityCluster->getNumEntitiesClusterData() > 0)
[709]	262	{
[751]	263	subEntity = mEntity->getSubEntity(numGeneratedBillboardClouds);
[709]	264
[751]	265	while (subEntityGroup->getNumTexCoordSets() < subEntity->getNumTexCoordSets())
	266	{
	267	subEntityGroup->addTextureCoordSet(subEntity->getTexCoordDimensions(subEntityGroup->getNumTexCoordSets()));
	268	}
[709]	269
[821]	270	subEntityGroup->enableVertexColours(subEntity->hasVertexColours());
	271
[751]	272	unsigned int offset = subEntityGroup->getNumFaces() * 3;
	273	Ogre::Vector3 indicesA = Ogre::Vector3(offset, offset + 1, offset + 2);
	274	subEntityGroup->addFaceVerticesIDs(indicesA);
	275	offset = subEntityGroup->getNumFaces()*3;
	276	Ogre::Vector3 indicesB = Ogre::Vector3(offset, offset + 1, offset + 2);
	277	subEntityGroup->addFaceVerticesIDs(indicesB);
[709]	278
[751]	279	UniqueVertex vFaceA1,vFaceA2,vFaceA3;
[821]	280
[751]	281	// Face A of the billboard quad
	282	vFaceA1.position = billboard->getBillboardClusterData()->getQuadTopLeftCorner();
[821]	283	vFaceA2.position = billboard->getBillboardClusterData()->getQuadTopRightCorner();
	284	vFaceA3.position = billboard->getBillboardClusterData()->getQuadBottomRightCorner();
	285
[751]	286	vFaceA1.normal = billboard->getBillboardClusterData()->getNormal();
	287	vFaceA2.normal = billboard->getBillboardClusterData()->getNormal();
	288	vFaceA3.normal = billboard->getBillboardClusterData()->getNormal();
[821]	289
	290	if (subEntity->hasVertexColours())
	291	{
	292	vFaceA1.colour = subEntity->getVertexColour(0);
	293	vFaceA2.colour = subEntity->getVertexColour(1);
	294	vFaceA3.colour = subEntity->getVertexColour(2);
	295	}
[751]	296
[821]	297	UniqueVertex vFaceB1,vFaceB2,vFaceB3;
	298
[751]	299	// Face B of the billboard quad
	300	vFaceB1.position = billboard->getBillboardClusterData()->getQuadBottomRightCorner();
[821]	301	vFaceB2.position = billboard->getBillboardClusterData()->getQuadBottomLeftCorner();
	302	vFaceB3.position = billboard->getBillboardClusterData()->getQuadTopLeftCorner();
	303
[751]	304	vFaceB1.normal = billboard->getBillboardClusterData()->getNormal();
	305	vFaceB2.normal = billboard->getBillboardClusterData()->getNormal();
	306	vFaceB3.normal = billboard->getBillboardClusterData()->getNormal();
	307
[821]	308	if (subEntity->hasVertexColours())
	309	{
	310	vFaceB1.colour = subEntity->getVertexColour(3);
	311	vFaceB2.colour = subEntity->getVertexColour(4);
	312	vFaceB3.colour = subEntity->getVertexColour(5);
	313	}
[709]	314
[821]	315	//Ogre::LogManager::getSingleton().logMessage("BBCG-SubEntity(" + Ogre::StringConverter::toString(numGeneratedBillboardClouds) + ") - Num.Tex.Coord.Sets:"+ Ogre::StringConverter::toString(subEntity->getNumTexCoordSets()));
	316
[751]	317	for (unsigned int iTexCoordSet = 0; iTexCoordSet < subEntityGroup->getNumTexCoordSets(); iTexCoordSet++)
	318	{
	319	vFaceA1.uv[iTexCoordSet] = subEntity->getUniqueVertex(0).uv[iTexCoordSet];
	320	vFaceA2.uv[iTexCoordSet] = subEntity->getUniqueVertex(1).uv[iTexCoordSet];
	321	vFaceA3.uv[iTexCoordSet] = subEntity->getUniqueVertex(2).uv[iTexCoordSet];
	322	vFaceB1.uv[iTexCoordSet] = subEntity->getUniqueVertex(3).uv[iTexCoordSet];
	323	vFaceB2.uv[iTexCoordSet] = subEntity->getUniqueVertex(4).uv[iTexCoordSet];
	324	vFaceB3.uv[iTexCoordSet] = subEntity->getUniqueVertex(5).uv[iTexCoordSet];
	325	}
[709]	326
[751]	327	subEntityGroup->addUniqueVertex(vFaceA1);
	328	subEntityGroup->addUniqueVertex(vFaceA2);
	329	subEntityGroup->addUniqueVertex(vFaceA3);
	330	subEntityGroup->addUniqueVertex(vFaceB1);
	331	subEntityGroup->addUniqueVertex(vFaceB2);
	332	subEntityGroup->addUniqueVertex(vFaceB3);
	333
	334	numGeneratedBillboardClouds++;
	335	}
[709]	336	}
	337	}
	338	}
	339
	340	mEntity = entity;
	341	}
	342
	343	unsigned int BillboardCloud::getNumBillboardGroups()
	344	{
	345	return mBillboardGroupList.size();
	346	}
	347
[721]	348	BillboardGroupPtr BillboardCloud::getBillboardGroup(unsigned int iBillboardGroup)
[709]	349	{
	350	return mBillboardGroupList[iBillboardGroup];
	351	}
	352
[721]	353	void BillboardCloud::addBillboardGroup(BillboardGroupPtr value)
[709]	354	{
	355	mBillboardGroupList.push_back(value);
	356	}
	357
	358	void BillboardCloud::removeBillboardGroup(unsigned int value)
	359	{
[721]	360	BillboardGroupPtr billboardGroup = mBillboardGroupList[value];
[709]	361	mBillboardGroupList.erase(mBillboardGroupList.begin() + value);
	362	}
	363
	364	}

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