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CMesh.cpp @ 1656

Revision 1656, 9.6 KB checked in by igarcia, 18 years ago (diff)

Rev	Line
[930]	1	//========================================
	2	// Class abstracting the geometric mesh.
	3	// Nicolau Sunyer & Sergi Funtané (10/13/2005).
	4	// Universitat de Girona.
	5	//========================================
	6
	7	#include <stdlib.h>
	8	#include <string.h>
	9	#include "CMesh.h"
	10	#include "Main.h"
	11	#include "MyFrame.h"
	12
	13	//Constructor.
	14	CMesh :: CMesh()
	15	{
	16
	17	}
	18
	19	//Destructor.
	20	CMesh::~CMesh()
	21	{
	22
	23	}
	24
	25	void CMesh::ShowMesh(char *filename)
	26	{
	27	FILE *file = NULL;
	28
	29	file = fopen(filename, "w");
	30
	31	for (int i = 0; i < m_pObject._geo[0]._numTriSets; i++)
	32	for (int j = 0; j < m_pObject._geo[0]._triSet[i]._numTris; j++)
	33	{
	34	fprintf(file, "\nx = %d, y = %d, z = %d", m_pObject._geo[0]._triSet[i]._index[3 * j], m_pObject._geo[0]._triSet[i]._index[3 * j + 1], m_pObject._geo[0]._triSet[i]._index[3 * j + 2]);
	35	}
	36
	37	fclose(file);
	38
	39	}
	40
	41	void CMesh::NormalizeIt(wxProgressDialog &dialog)
	42	{
	43	float WBMax[3], WBMin[3];
	44	int i, j;
	45	bool cont = true;
	46
	47	WBMax[0] = m_pObject._geo[0]._triSet[0]._ver[0];
	48	WBMax[1] = m_pObject._geo[0]._triSet[0]._ver[1];
	49	WBMax[2] = m_pObject._geo[0]._triSet[0]._ver[2];
	50	WBMin[0] = m_pObject._geo[0]._triSet[0]._ver[0];
	51	WBMin[1] = m_pObject._geo[0]._triSet[0]._ver[1];
	52	WBMin[2] = m_pObject._geo[0]._triSet[0]._ver[2];
	53
	54	for (i = 0; i < m_pObject._geo[0]._numTriSets && cont; i++)
	55	for (j = 0; j < m_pObject._geo[0]._triSet[i]._numVer && cont; j++)
	56	{
	57	cont = dialog.Update((m_pObject._geo[0]._numTriSets / 100) * m_pObject._geo[0]._numTriSets);
	58
	59	if (WBMax[0] < m_pObject._geo[0]._triSet[i]._ver[3 * j]) WBMax[0] = m_pObject._geo[0]._triSet[i]._ver[3 * j];
	60	if (WBMax[1] < m_pObject._geo[0]._triSet[i]._ver[3 * j + 1]) WBMax[1] = m_pObject._geo[0]._triSet[i]._ver[3 * j + 1];
	61	if (WBMax[2] < m_pObject._geo[0]._triSet[i]._ver[3 * j + 2]) WBMax[2] = m_pObject._geo[0]._triSet[i]._ver[3 * j + 2];
	62	if (WBMin[0] > m_pObject._geo[0]._triSet[i]._ver[3 * j]) WBMin[0] = m_pObject._geo[0]._triSet[i]._ver[3 * j];
	63	if (WBMin[1] > m_pObject._geo[0]._triSet[i]._ver[3 * j + 1]) WBMin[1] = m_pObject._geo[0]._triSet[i]._ver[3 * j + 1];
	64	if (WBMin[2] > m_pObject._geo[0]._triSet[i]._ver[3 * j + 2]) WBMin[2] = m_pObject._geo[0]._triSet[i]._ver[3 * j + 2];
	65	}
	66
	67
	68	float sizeX = WBMax[0] - WBMin[0];
	69	float sizeY = WBMax[1] - WBMin[1];
	70	float sizeZ = WBMax[2] - WBMin[2];
	71	float dispX = 0.5*(WBMax[0] + WBMin[0]);
	72	float dispY = 0.5*(WBMax[1] + WBMin[1]);
	73	float dispZ = 0.5*(WBMax[2] + WBMin[2]);
	74	float norm;
	75
	76	if (sizeX>=sizeY)
	77	{
	78	if (sizeX>=sizeZ) norm = 0.5*sizeX;
	79	else norm = 0.5*sizeZ;
	80	}
	81	else
	82	{
	83	if (sizeY>=sizeZ) norm = 0.5*sizeY;
	84	else norm = 0.5*sizeZ;
	85	}
	86
	87	for (i = 0; i < m_pObject._geo[0]._numTriSets; i++)
	88	for (j = 0; j < m_pObject._geo[0]._triSet[i]._numVer; j++)
	89	{
	90	m_pObject._geo[0]._triSet[i]._ver[3 * j] = (m_pObject._geo[0]._triSet[i]._ver[3 * j] - dispX) / norm;
	91	m_pObject._geo[0]._triSet[i]._ver[3 * j + 1] = (m_pObject._geo[0]._triSet[i]._ver[3 * j + 1] - dispY) / norm;
	92	m_pObject._geo[0]._triSet[i]._ver[3 * j + 2] = (m_pObject._geo[0]._triSet[i]._ver[3 * j + 2] - dispZ) / norm;
	93	}
	94
	95	}
	96
[953]	97	float CMesh::getValue(const char *string, int &i)
	98	{
	99	int j = 0;
	100	float value;
	101	char substring[100];
	102
	103	while ((string[i] != ' ') && (string[i] != '\0'))
	104	{
	105	substring[j] = string[i];
	106	i++;
	107	j++;
	108	}
	109
	110	substring[j] = '\0';
	111
	112	value = atof(substring);
	113
	114	return (value);
	115
	116	}
	117
[930]	118	void CMesh::XMLToSNStr(char *name)
	119	{
	120	int i = 0, j = 0, k;
[953]	121	const char *string;
	122	bool cont = true, color = false;
[930]	123
	124	// Read root element and decide from there what type
	125	String response;
	126	TiXmlDocument* doc = new TiXmlDocument(name);
	127	// Some double-parsing here but never mind
	128	if (!doc->LoadFile())
	129	{
	130	exit (1);
	131	}
	132
	133	TiXmlElement *root = 0;
	134	root = doc->RootElement();
	135
	136
	137	if (!root)
	138	{
	139	doc->Clear();
	140	delete doc;
	141	exit(-1);
	142	}
	143
	144
	145	TiXmlElement *element = root->FirstChildElement("submeshes");
	146	if (!element)
	147	{
	148	doc->Clear();
	149	delete doc;
	150	exit(-1);
	151	}
	152
	153	element = element->FirstChildElement("submesh");
	154	if (!element)
	155	{
	156	doc->Clear();
	157	delete doc;
	158	exit(-1);
	159	}
	160
	161	m_pObject._numGeos = 1;
	162	m_pObject._geo = new snGeo[1];
	163
	164	m_pObject._geo[0]._numTriSets = 0;
	165
	166	TiXmlElement *cnt;
	167
	168	for (cnt = element; cnt; cnt = cnt->NextSiblingElement()) m_pObject._geo[0]._numTriSets += 1;
	169
	170	//progress bar
	171	wxProgressDialog dialog(wxT("Parsing XML file"),
	172	wxT("Progress..."),
	173	m_pObject._geo[0]._numTriSets, //range
	174	0, //parent
	175	wxPD_APP_MODAL\|wxPD_AUTO_HIDE\|
	176	wxPD_ELAPSED_TIME\|wxPD_ESTIMATED_TIME\|wxPD_REMAINING_TIME\|wxPD_CAN_ABORT);
	177
	178	m_pObject._geo[0]._triSet = new snTriSet[m_pObject._geo[0]._numTriSets];
	179
	180	for (element = element; element && cont; element = element->NextSiblingElement())
	181	{
	182	cont = dialog.Update((m_pObject._geo[0]._numTriSets / 100) * i);
	183
	184	cnt = element->FirstChildElement("faces");
	185	if (!cnt)
	186	{
	187	doc->Clear();
	188	delete doc;
	189	exit(-1);
	190	}
	191
	192	const char *auxString = cnt->Attribute("count");
	193
	194	m_pObject._geo[0]._triSet[i]._numTris = atoi(auxString);
	195	m_pObject._geo[0]._triSet[i]._index = new int[m_pObject._geo[0]._triSet[i]._numTris * 3];
	196
	197
	198	TiXmlElement tri, aux;
	199
	200	j = 0;
	201	for(tri = cnt; tri; tri = cnt->NextSiblingElement("faces"))
	202	{
	203	for (aux = tri->FirstChildElement(); aux; aux = aux->NextSiblingElement())
	204	{
	205	m_pObject._geo[0]._triSet[i]._index[3 * j] = atoi(aux->Attribute("v1"));
	206	m_pObject._geo[0]._triSet[i]._index[3 * j + 1] = atoi(aux->Attribute("v2"));
	207	m_pObject._geo[0]._triSet[i]._index[3 * j + 2] = atoi(aux->Attribute("v3"));
	208	j++;
	209	}
	210	}
	211
	212	tri = cnt->NextSiblingElement("geometry");
	213
	214	int NVer = atoi(tri->Attribute("vertexcount"));
	215
	216	tri = tri->FirstChildElement("vertexbuffer");
	217
[953]	218	const char *cad = tri->Attribute("colours_diffuse");
	219
[1656]	220	if (cad != NULL)
	221	color = true;
	222	//->if (!strcmp(cad, "true")) color = true;
	223	else
	224	color = false;
[953]	225
[930]	226	m_pObject._geo[0]._triSet[i]._numVer = NVer;
	227
	228
	229	m_pObject._geo[0]._triSet[i]._ver = new float[NVer * 3];
	230	m_pObject._geo[0]._triSet[i]._nor = new float[NVer * 3];
	231	m_pObject._geo[0]._triSet[i]._tex = new float[NVer * 2];
	232	m_pObject._geo[0]._triSet[i]._refl = new float[NVer * 3];
	233
	234
	235	TiXmlElement *aux1;
	236
	237
	238	aux = tri->FirstChildElement();
	239
	240
	241	for (j = 0; j < NVer; j++)
	242	{
	243	aux1 = aux->FirstChildElement("position");
	244	m_pObject._geo[0]._triSet[i]._ver[3 * j] = atof(aux1->Attribute("x"));
	245	m_pObject._geo[0]._triSet[i]._ver[3 * j + 1] = atof(aux1->Attribute("y"));
	246	m_pObject._geo[0]._triSet[i]._ver[3 * j + 2] = atof(aux1->Attribute("z"));
	247
	248	aux1 = aux1->NextSiblingElement("normal");
	249	m_pObject._geo[0]._triSet[i]._nor[3 * j] = atof(aux1->Attribute("x"));
	250	m_pObject._geo[0]._triSet[i]._nor[3 * j + 1] = atof(aux1->Attribute("y"));
	251	m_pObject._geo[0]._triSet[i]._nor[3 * j + 2] = atof(aux1->Attribute("z"));
	252
	253	aux1 = aux1->NextSiblingElement("texcoord");
	254	m_pObject._geo[0]._triSet[i]._tex[2 * j] = atof(aux1->Attribute("u"));
	255	m_pObject._geo[0]._triSet[i]._tex[2 * j + 1] = atof(aux1->Attribute("v"));
	256
[1656]	257	/*->aux1 = aux->FirstChildElement("colour_diffuse");
[930]	258	response = aux1->Attribute("value");
[1656]	259	/->m_pObject._geo[0]._triSet[i]._ver[3 j] = atof(aux1->Attribute("x"));
	260	m_pObject._geo[0]._triSet[i]._ver[3 * j + 1] = atof(aux1->Attribute("y"));
	261	m_pObject._geo[0]._triSet[i]._ver[3 * j + 2] = atof(aux1->Attribute("z"));*/
[930]	262
[953]	263	if (color)
	264	{
[1656]	265	aux1 = aux->FirstChildElement("colour_diffuse");
	266	response = aux1->Attribute("value");
	267
[953]	268	string = response.c_str();
	269	k = 0;
	270	m_pObject._geo[0]._triSet[i]._refl[3 * j] = getValue(string, k);
	271	k++;
	272	m_pObject._geo[0]._triSet[i]._refl[3 * j + 1] = getValue(string, k);
	273	k++;
	274	m_pObject._geo[0]._triSet[i]._refl[3 * j + 2] = getValue(string, k);
	275	k++;
	276	getValue(string, k);
	277	}
	278	else
	279	{
	280	m_pObject._geo[0]._triSet[i]._refl[3 * j] = 0.5;
	281	m_pObject._geo[0]._triSet[i]._refl[3 * j + 1] = 0.5;
	282	m_pObject._geo[0]._triSet[i]._refl[3 * j + 2] = 0.5;
	283	}
[930]	284
	285	aux = aux->NextSiblingElement();
	286	}
	287
	288	i++;
	289	}
	290
	291	NormalizeIt(dialog);
	292
	293	doc->Clear();
	294	delete doc;
	295
	296	}
	297
	298	void CMesh::LoadMesh(char *argv)
	299	{
	300	/*->logMgr = new LogManager();
	301	logMgr->createLog(opts.logFile, false, !opts.quietMode);
	302	rgm = new ResourceGroupManager();
	303	mth = new Math();
	304	meshMgr = new MeshManager();
	305	matMgr = new MaterialManager();
	306	matMgr->initialise();
	307	skelMgr = new SkeletonManager();
	308	meshSerializer = new MeshSerializer();
	309	xmlMeshSerializer = new XMLMeshSerializer();
	310	skeletonSerializer = new SkeletonSerializer();
	311	xmlSkeletonSerializer = new XMLSkeletonSerializer();
	312	bufferManager = new DefaultHardwareBufferManager(); // needed because we don't have a rendersystem
	313
	314	/*->meshToXML(opts);
	315	opts.source = opts.dest;
	316	opts.sourceExt = opts.destExt;*/
	317	XMLToSNStr(argv);
	318
	319
	320	/*->delete xmlSkeletonSerializer;
	321	delete skeletonSerializer;
	322	delete xmlMeshSerializer;
	323	delete meshSerializer;
	324	delete skelMgr;
	325	delete matMgr;
	326	delete meshMgr;
	327	delete bufferManager;
	328	delete mth;
	329	delete rgm;
	330	delete logMgr;*/
	331
	332	}
	333
	334	void CMesh::FreeMem()
	335	{
	336
	337	for(int i = 0; i<m_pObject._numGeos;i++)
	338	{
	339
	340	for(int j = 0; j<m_pObject._geo[i]._numTriSets;j++)
	341	{
	342	delete m_pObject._geo[i]._triSet[j]._index;
	343	delete m_pObject._geo[i]._triSet[j]._ver;
	344	delete m_pObject._geo[i]._triSet[j]._nor;
	345	delete m_pObject._geo[i]._triSet[j]._tex;
	346	delete m_pObject._geo[i]._triSet[j]._refl;
	347	}
	348	delete m_pObject._geo[i]._triSet;
	349	}
	350
	351	delete m_pObject._geo;
	352
	353	}
	354

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source: GTP/trunk/Lib/Illum/GPUObscurancesGT/src/CMesh.cpp @ 1656

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