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BBCBillboardCloudUVMapper.cpp @ 969

Revision 969, 12.9 KB checked in by igarcia, 18 years ago (diff)

Rev	Line
[699]	1
[709]	2
[699]	3	#include "BBCBillboardCloudUVMapper.h"
	4	#include "BBCBillboardCloud.h"
	5	#include "BBCEntityCluster.h"
	6	#include "BBCBillboardClusterData.h"
	7
	8	namespace BBC {
	9
[709]	10	BillboardCloudUVMapper::BillboardCloudUVMapper()
[699]	11	{
	12	}
	13
[709]	14	BillboardCloudUVMapper::~BillboardCloudUVMapper()
	15	{
[721]	16	shutdown();
[709]	17	}
	18
	19	void BillboardCloudUVMapper::initialize()
	20	{
	21	}
	22
[721]	23	void BillboardCloudUVMapper::shutdown()
[709]	24	{
	25	while (getNumBsp() > 0)
	26	{
	27	removeBsp(getNumBsp()-1);
	28	}
	29
[721]	30	while (getNumClusterLists() > 0)
	31	{
	32	removeClusterList(getNumClusterLists()-1);
	33	}
[709]	34	}
	35
	36	unsigned int BillboardCloudUVMapper::getNumClusterLists()
	37	{
	38	return mClusterLists.size();
	39	}
	40
	41	unsigned int BillboardCloudUVMapper::getNumBsp()
	42	{
	43	return mBspList.size();
	44	}
	45
	46	void BillboardCloudUVMapper::addBsp(IMG::Bsp *bsp)
	47	{
	48	mBspList.push_back(bsp);
	49	}
	50
	51	IMG::Bsp* BillboardCloudUVMapper::getBsp(unsigned int iBsp)
	52	{
	53	return mBspList[iBsp];
	54	}
	55
	56	void BillboardCloudUVMapper::removeBsp(unsigned int iBsp)
	57	{
	58	IMG::Bsp *bsp = mBspList[iBsp];
	59	mBspList.erase(mBspList.begin() + iBsp);
	60	delete bsp;
	61	}
	62
	63	void BillboardCloudUVMapper::addClusterList(IMG::ClusterList *clusterList)
	64	{
	65	mClusterLists.push_back(clusterList);
	66	}
	67
	68	IMG::ClusterList* BillboardCloudUVMapper::getClusterList(unsigned int iClusterList)
	69	{
	70	return mClusterLists[iClusterList];
	71	}
	72
	73	void BillboardCloudUVMapper::removeClusterList(unsigned int iClusterList)
	74	{
[721]	75	IMG::ClusterList *clusterList = mClusterLists[iClusterList];
	76	mClusterLists.erase(mClusterLists.begin() + iClusterList);
	77	delete clusterList;
[709]	78	}
	79
[699]	80	void BillboardCloudUVMapper::setTextureWidth(unsigned short int width)
	81	{
	82	mTextureWidth = width;
	83	}
	84
	85	unsigned short int BillboardCloudUVMapper::getTextureWidth()
	86	{
	87	return mTextureWidth;
	88	}
	89
	90	void BillboardCloudUVMapper::setTextureHeight(unsigned short int height)
	91	{
	92	mTextureHeight = height;
	93	}
	94
	95	unsigned short BillboardCloudUVMapper::getTextureHeight()
	96	{
	97	return mTextureHeight;
	98	}
	99
	100	void BillboardCloudUVMapper::setTextureAtlasWidth(unsigned short int width)
	101	{
	102	mTextureAtlasWidth = width;
	103	}
	104
	105	unsigned short int BillboardCloudUVMapper::getTextureAtlasWidth()
	106	{
	107	return mTextureAtlasWidth;
	108	}
	109
	110	void BillboardCloudUVMapper::setTextureAtlasHeight(unsigned short int height)
	111	{
	112	mTextureAtlasHeight = height;
	113	}
	114
	115	unsigned short BillboardCloudUVMapper::getTextureAtlasHeight()
	116	{
	117	return mTextureAtlasHeight;
	118	}
	119
[751]	120	void BillboardCloudUVMapper::addTextureAtlasTextureCoords(bool mergeBillboards, bool groupedBillboards, unsigned int numGeneratedBillboards, unsigned int iBillboardGroup, unsigned int iBillboard, unsigned int iBillboardInGroup)
[721]	121	{
[731]	122	IMG::Cluster *cluster = getClusterList(iBillboardGroup)->get(getClusterList(iBillboardGroup)->getSize()-1);
	123	IMG::Box2d *box = cluster->getBspNodeBound();
	124	Ogre::Vector2 max = box->getMaximum();
	125	Ogre::Vector2 min = box->getMinimum();
[745]	126
	127	Ogre::Vector2 umax;
	128	umax[0] = (max[0] / mTextureAtlasWidth);
	129	umax[1] = (max[1] / mTextureAtlasHeight);
	130
	131	Ogre::Vector2 umin;
	132	umin[0] = (min[0] / mTextureAtlasWidth);
	133	umin[1] = (min[1] / mTextureAtlasHeight);
	134
	135	umin = umin * 2.0 - 1.0;
	136	umax = umax * 2.0 - 1.0;
	137
	138	mBillboardCloud->getBillboard(iBillboard)->getBillboardClusterData()->addBillboardUVMapMax(umax);
[751]	139	mBillboardCloud->getBillboard(iBillboard)->getBillboardClusterData()->addBillboardUVMapMin(umin);
[745]	140
[751]	141	//Ogre::LogManager::getSingleton().logMessage("Max:" + Ogre::StringConverter::toString(Ogre::Vector3(max[0],max[1],0)) +
	142	// "\tMin:" + Ogre::StringConverter::toString(Ogre::Vector3(min[0],min[1],0)) +
	143	// "\tSize(" + Ogre::StringConverter::toString(max[0]-min[0]) +
	144	// "," + Ogre::StringConverter::toString(max[1]-min[1]) + ")");
[721]	145
[751]	146	//Ogre::LogManager::getSingleton().logMessage(
	147	// "UMax:" + Ogre::StringConverter::toString(Ogre::Vector3(umax[0], umax[1],0)) +
	148	// "\tUMin:" + Ogre::StringConverter::toString(Ogre::Vector3(umin[0], umin[1],0)) +
	149	// "\tUSize(" + Ogre::StringConverter::toString(umax[0]-umin[0]) +
	150	// "," + Ogre::StringConverter::toString(umax[1]-umin[1]) + ")");
[721]	151
	152	Ogre::Vector2 texCoords01,texCoords02,texCoords03,texCoords04;
	153
[778]	154	// DirectX working version...
	155	texCoords03[0] = min[0] / mTextureAtlasWidth;
	156	texCoords03[1] = 1.0 - (min[1] / mTextureAtlasHeight);
[721]	157
[778]	158	texCoords04[0] = max[0] / mTextureAtlasWidth;
	159	texCoords04[1] = 1.0 - (min[1] / mTextureAtlasHeight);
	160
[751]	161	texCoords01[0] = max[0] / mTextureAtlasWidth;
[778]	162	texCoords01[1] = 1.0 - (max[1] / mTextureAtlasHeight);
[721]	163
[778]	164	texCoords02[0] = min[0] / mTextureAtlasWidth;
	165	texCoords02[1] = 1.0 - (max[1] / mTextureAtlasHeight);
[751]	166
[778]	167	//texCoords02[0] = min[0] / mTextureAtlasWidth;
	168	//texCoords02[1] = 1.0 - (min[1] / mTextureAtlasHeight);
	169
	170	//texCoords01[0] = max[0] / mTextureAtlasWidth;
	171	//texCoords01[1] = 1.0 - (min[1] / mTextureAtlasHeight);
	172
	173	//texCoords04[0] = max[0] / mTextureAtlasWidth;
	174	//texCoords04[1] = 1.0 - (max[1] / mTextureAtlasHeight);
	175
	176	//texCoords03[0] = min[0] / mTextureAtlasWidth;
	177	//texCoords03[1] = 1.0 - (max[1] / mTextureAtlasHeight);
[721]	178
	179	if (groupedBillboards)
	180	{
[751]	181	SubEntityPtr subEntity;
	182
	183	unsigned int iUniqueVertex = 0;
	184
	185	subEntity = mBillboardCloud->getEntity()->getSubEntity(numGeneratedBillboards);
	186
	187	subEntity->addTextureCoordSet(2);
[969]	188	subEntity->enableVertexColors(true);
[751]	189
[721]	190	// Face A
	191	//(0,0,0);
	192	//(1,0,0);
	193	//(1,1,0);
	194	subEntity->setTexCoord(iUniqueVertex, subEntity->getNumTexCoordSets()-1, Ogre::Vector3(texCoords01[0],texCoords01[1],0));
	195	subEntity->setTexCoord(iUniqueVertex+1, subEntity->getNumTexCoordSets()-1, Ogre::Vector3(texCoords02[0],texCoords02[1],0));
	196	subEntity->setTexCoord(iUniqueVertex+2, subEntity->getNumTexCoordSets()-1, Ogre::Vector3(texCoords03[0],texCoords03[1],0));
	197
[821]	198	//Ogre::ColourValue subEntityColour01 = Ogre::ColourValue(0, texCoords01[0],texCoords01[1]);
	199	//Ogre::ColourValue subEntityColour02 = Ogre::ColourValue(0, texCoords02[0],texCoords02[1]);
	200	//Ogre::ColourValue subEntityColour03 = Ogre::ColourValue(0, texCoords03[0],texCoords03[1]);
[709]	201
[821]	202	//subEntity->setVertexColour(iUniqueVertex, subEntityColour01.getAsRGBA());
	203	//subEntity->setVertexColour(iUniqueVertex+1, subEntityColour02.getAsRGBA());
	204	//subEntity->setVertexColour(iUniqueVertex+2, subEntityColour03.getAsRGBA());
[721]	205
	206	// Face B
	207	//(1,1,0);
	208	//(0,1,0);
	209	//(0,0,0);
	210	subEntity->setTexCoord(iUniqueVertex+3, subEntity->getNumTexCoordSets()-1, Ogre::Vector3(texCoords03[0],texCoords03[1],0));
	211	subEntity->setTexCoord(iUniqueVertex+4, subEntity->getNumTexCoordSets()-1, Ogre::Vector3(texCoords04[0],texCoords04[1],0));
	212	subEntity->setTexCoord(iUniqueVertex+5, subEntity->getNumTexCoordSets()-1, Ogre::Vector3(texCoords01[0],texCoords01[1],0));
	213
[821]	214	//Ogre::ColourValue subEntityColour04 = Ogre::ColourValue(0, texCoords03[0],texCoords03[1]);
	215	//Ogre::ColourValue subEntityColour05 = Ogre::ColourValue(0, texCoords04[0],texCoords04[1]);
	216	//Ogre::ColourValue subEntityColour06 = Ogre::ColourValue(0, texCoords01[0],texCoords01[1]);
[709]	217
[821]	218	//subEntity->setVertexColour(iUniqueVertex+3, subEntityColour04.getAsRGBA());
	219	//subEntity->setVertexColour(iUniqueVertex+4, subEntityColour05.getAsRGBA());
	220	//subEntity->setVertexColour(iUniqueVertex+5, subEntityColour06.getAsRGBA());
[721]	221	}
	222	else
	223	{
[751]	224	if (mergeBillboards)
[721]	225	{
[751]	226	SubEntityPtr subEntity;
[721]	227
[751]	228	unsigned int iUniqueVertex = numGeneratedBillboards * 6;
[721]	229
	230	subEntity = mBillboardCloud->getEntity()->getSubEntity(0);
	231
	232	// Face A
	233	//(0,0,0);
	234	//(1,0,0);
	235	//(1,1,0);
	236	subEntity->setTexCoord(iUniqueVertex, subEntity->getNumTexCoordSets()-1, Ogre::Vector3(texCoords01[0],texCoords01[1],0));
	237	subEntity->setTexCoord(iUniqueVertex+1, subEntity->getNumTexCoordSets()-1, Ogre::Vector3(texCoords02[0],texCoords02[1],0));
	238	subEntity->setTexCoord(iUniqueVertex+2, subEntity->getNumTexCoordSets()-1, Ogre::Vector3(texCoords03[0],texCoords03[1],0));
	239
[821]	240	//Ogre::ColourValue subEntityColour01 = Ogre::ColourValue(0, texCoords01[0],texCoords01[1]);
	241	//Ogre::ColourValue subEntityColour02 = Ogre::ColourValue(0, texCoords02[0],texCoords02[1]);
	242	//Ogre::ColourValue subEntityColour03 = Ogre::ColourValue(0, texCoords03[0],texCoords03[1]);
[709]	243
[821]	244	//subEntity->setVertexColour(iUniqueVertex, subEntityColour01.getAsRGBA());
	245	//subEntity->setVertexColour(iUniqueVertex+1, subEntityColour02.getAsRGBA());
	246	//subEntity->setVertexColour(iUniqueVertex+2, subEntityColour03.getAsRGBA());
[721]	247
	248	// Face B
	249	//(1,1,0);
	250	//(0,1,0);
	251	//(0,0,0);
	252	subEntity->setTexCoord(iUniqueVertex+3, subEntity->getNumTexCoordSets()-1, Ogre::Vector3(texCoords03[0],texCoords03[1],0));
	253	subEntity->setTexCoord(iUniqueVertex+4, subEntity->getNumTexCoordSets()-1, Ogre::Vector3(texCoords04[0],texCoords04[1],0));
	254	subEntity->setTexCoord(iUniqueVertex+5, subEntity->getNumTexCoordSets()-1, Ogre::Vector3(texCoords01[0],texCoords01[1],0));
	255
[821]	256	//Ogre::ColourValue subEntityColour04 = Ogre::ColourValue(0, texCoords03[0],texCoords03[1]);
	257	//Ogre::ColourValue subEntityColour05 = Ogre::ColourValue(0, texCoords04[0],texCoords04[1]);
	258	//Ogre::ColourValue subEntityColour06 = Ogre::ColourValue(0, texCoords01[0],texCoords01[1]);
[709]	259
[821]	260	//subEntity->setVertexColour(iUniqueVertex+3, subEntityColour04.getAsRGBA());
	261	//subEntity->setVertexColour(iUniqueVertex+4, subEntityColour05.getAsRGBA());
	262	//subEntity->setVertexColour(iUniqueVertex+5, subEntityColour06.getAsRGBA());
[721]	263
[709]	264	}
	265	}
	266	}
	267
	268	void BillboardCloudUVMapper::addTextureInBsp(unsigned int iBillboardGroup, unsigned int iBillboard)
	269	{
[721]	270	IMG::NodeBspPtr nodeDest;
	271	IMG::Cluster cluster;
[751]	272
[731]	273	nodeDest = getBsp(iBillboardGroup)->insert(mTextureWidth,mTextureHeight,iBillboard);
[721]	274
[731]	275	cluster.setBspNodeBound(nodeDest->getBound());
	276	getClusterList(iBillboardGroup)->insert(&cluster);
[709]	277	}
	278
	279	void BillboardCloudUVMapper::generateTextureAtlasTextureCoords(bool mergeBillboards, bool groupedBillboards, unsigned int numGroups)
	280	{
	281	unsigned int numBillboardGroups;
	282	bool enabledTextureCoordSet = false;
[751]	283	unsigned int numGeneratedBillboards = 0;
[709]	284
	285	for (unsigned int iBillboard = 0; iBillboard < mBillboardCloud->getNumBillboards(); iBillboard++)
	286	{
[721]	287	BillboardPtr billboard = mBillboardCloud->getBillboard(iBillboard);
	288	EntityClusterPtr entityCluster = billboard->getBillboardClusterData()->getEntityCluster();
[709]	289
	290	if (entityCluster->getNumEntitiesClusterData() > 0)
	291	{
	292	if (mergeBillboards)
	293	{
[721]	294	if (!enabledTextureCoordSet)
	295	{
	296	SubEntityPtr subEntity = mBillboardCloud->getEntity()->getSubEntity(0);
	297	subEntity->addTextureCoordSet(2);
[969]	298	subEntity->enableVertexColors(true);
[721]	299	enabledTextureCoordSet = true;
[709]	300	}
	301	}
[751]	302	numGeneratedBillboards++;
[709]	303	}
	304	}
	305
	306	if (groupedBillboards)
	307	{
	308	numBillboardGroups = numGroups;
	309	}
	310	else
	311	{
	312	if (mergeBillboards)
	313	{
	314	numBillboardGroups = 1;
	315	}
	316	else // (!mergeBillboards)
	317	{
	318	numBillboardGroups = 1;
	319	}
	320	}
	321
	322	unsigned int iBillboardsInGroup = 0;
[751]	323	unsigned int numberBillboardsEachGroup = numGeneratedBillboards / numGroups;
	324	unsigned int numberBillboardsAddedFirstGroup = numGeneratedBillboards % numGroups;
	325	numGeneratedBillboards = 0;
[709]	326	unsigned int iBillboardGroup;
	327	for (iBillboardGroup = 0; iBillboardGroup < numBillboardGroups; iBillboardGroup++)
[721]	328	{
	329	IMG::Bsp *bsp = new IMG::Bsp();
	330	IMG::ClusterList *clusterList = new IMG::ClusterList();
	331	IMG::NodeBspPtr node = IMG::NodeBspPtr(new IMG::NodeBsp);
	332
[731]	333	node->getBound()->setBoundBox(0, 0, mTextureAtlasWidth, mTextureAtlasHeight);
	334	bsp->setRoot(node);
[721]	335
[709]	336	addBsp(bsp);
	337	addClusterList(clusterList);
	338	}
	339
	340	iBillboardGroup = 0;
[721]	341	for (unsigned int iBillboard = 0; iBillboard < mBillboardCloud->getNumBillboards(); iBillboard++)
	342	{
[821]	343	//Ogre::LogManager::getSingleton().logMessage("id:" + Ogre::StringConverter::toString(mBillboardCloud->getBillboard(iBillboard)->getBillboardHandle()));
[721]	344
	345	BillboardClusterData *billboardClusterData = mBillboardCloud->getBillboard(iBillboard)->getBillboardClusterData().get();
[709]	346
	347	if (billboardClusterData != NULL)
	348	{
[751]	349	BillboardPtr billboard = mBillboardCloud->getBillboard(iBillboard);
[721]	350	EntityClusterPtr entityCluster = billboardClusterData->getEntityCluster();
[751]	351
[709]	352	if (entityCluster->getNumEntitiesClusterData() > 0)
[721]	353	{
[709]	354	if ((iBillboardGroup == 0) && (iBillboardsInGroup < (numberBillboardsEachGroup + numberBillboardsAddedFirstGroup)))
	355	{
	356	addTextureInBsp(iBillboardGroup, iBillboard);
[751]	357	addTextureAtlasTextureCoords(mergeBillboards, groupedBillboards, numGeneratedBillboards, iBillboardGroup, iBillboard, iBillboardsInGroup);
[709]	358	iBillboardsInGroup++;
	359	}
	360	else
	361	{
	362	if ((iBillboardGroup > 0) && (iBillboardsInGroup < numberBillboardsEachGroup))
	363	{
	364	addTextureInBsp(iBillboardGroup, iBillboard);
[751]	365	addTextureAtlasTextureCoords(mergeBillboards, groupedBillboards, numGeneratedBillboards, iBillboardGroup, iBillboard, iBillboardsInGroup);
[709]	366	iBillboardsInGroup++;
	367	}
	368	else
	369	{
	370	iBillboardGroup++;
	371	iBillboardsInGroup = 0;
	372
	373	addTextureInBsp(iBillboardGroup, iBillboard);
[751]	374	addTextureAtlasTextureCoords(mergeBillboards, groupedBillboards, numGeneratedBillboards, iBillboardGroup, iBillboard, iBillboardsInGroup);
[709]	375	iBillboardsInGroup++;
	376	}
	377	}
[721]	378
[751]	379	numGeneratedBillboards++;
[721]	380	}
	381	}
	382	}
[699]	383	}
	384
	385	void BillboardCloudUVMapper::setBillboardCloud(BillboardCloud *billboardCloud)
	386	{
	387	mBillboardCloud = billboardCloud;
	388	}
	389
	390	BillboardCloud * BillboardCloudUVMapper::getBillboardCloud()
	391	{
	392	return mBillboardCloud;
	393	}
	394
	395	}

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source: GTP/trunk/Lib/Illum/IBRBillboardCloudTrees/OGRE/src/BBCBillboardCloudUVMapper.cpp @ 969

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