Context Navigation

source: GTP/trunk/Lib/Illum/GPUObscurancesGT/src/CMesh.cpp @ 953

Revision 953, 9.2 KB checked in by igarcia, 18 years ago (diff)

Line
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
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
118	void CMesh::XMLToSNStr(char *name)
119	{
120	int i = 0, j = 0, k;
121	const char *string;
122	bool cont = true, color = false;
123
124	// Read root element and decide from there what type
125	String response;
126	String::iterator iter;
127
128	TiXmlDocument* doc = new TiXmlDocument(name);
129	// Some double-parsing here but never mind
130	if (!doc->LoadFile())
131	{
132	exit (1);
133	}
134
135	TiXmlElement *root = 0;
136	root = doc->RootElement();
137
138
139	if (!root)
140	{
141	doc->Clear();
142	delete doc;
143	exit(-1);
144	}
145
146
147	TiXmlElement *element = root->FirstChildElement("submeshes");
148	if (!element)
149	{
150	doc->Clear();
151	delete doc;
152	exit(-1);
153	}
154
155	element = element->FirstChildElement("submesh");
156	if (!element)
157	{
158	doc->Clear();
159	delete doc;
160	exit(-1);
161	}
162
163	m_pObject._numGeos = 1;
164	m_pObject._geo = new snGeo[1];
165
166	m_pObject._geo[0]._numTriSets = 0;
167
168	TiXmlElement *cnt;
169
170	for (cnt = element; cnt; cnt = cnt->NextSiblingElement()) m_pObject._geo[0]._numTriSets += 1;
171
172	//progress bar
173	wxProgressDialog dialog(wxT("Parsing XML file"),
174	wxT("Progress..."),
175	m_pObject._geo[0]._numTriSets, //range
176	0, //parent
177	wxPD_APP_MODAL\|wxPD_AUTO_HIDE\|
178	wxPD_ELAPSED_TIME\|wxPD_ESTIMATED_TIME\|wxPD_REMAINING_TIME\|wxPD_CAN_ABORT);
179
180	m_pObject._geo[0]._triSet = new snTriSet[m_pObject._geo[0]._numTriSets];
181
182	for (element = element; element && cont; element = element->NextSiblingElement())
183	{
184	cont = dialog.Update((m_pObject._geo[0]._numTriSets / 100) * i);
185
186	cnt = element->FirstChildElement("faces");
187	if (!cnt)
188	{
189	doc->Clear();
190	delete doc;
191	exit(-1);
192	}
193
194	const char *auxString = cnt->Attribute("count");
195
196	m_pObject._geo[0]._triSet[i]._numTris = atoi(auxString);
197	m_pObject._geo[0]._triSet[i]._index = new int[m_pObject._geo[0]._triSet[i]._numTris * 3];
198
199
200	TiXmlElement tri, aux;
201
202	j = 0;
203	for(tri = cnt; tri; tri = cnt->NextSiblingElement("faces"))
204	{
205	for (aux = tri->FirstChildElement(); aux; aux = aux->NextSiblingElement())
206	{
207	m_pObject._geo[0]._triSet[i]._index[3 * j] = atoi(aux->Attribute("v1"));
208	m_pObject._geo[0]._triSet[i]._index[3 * j + 1] = atoi(aux->Attribute("v2"));
209	m_pObject._geo[0]._triSet[i]._index[3 * j + 2] = atoi(aux->Attribute("v3"));
210	j++;
211	}
212	}
213
214	tri = cnt->NextSiblingElement("geometry");
215
216	int NVer = atoi(tri->Attribute("vertexcount"));
217
218	tri = tri->FirstChildElement("vertexbuffer");
219
220	const char *cad = tri->Attribute("colours_diffuse");
221
222	if (!strcmp(cad, "true")) color = true;
223
224
225	m_pObject._geo[0]._triSet[i]._numVer = NVer;
226
227
228	m_pObject._geo[0]._triSet[i]._ver = new float[NVer * 3];
229	m_pObject._geo[0]._triSet[i]._nor = new float[NVer * 3];
230	m_pObject._geo[0]._triSet[i]._tex = new float[NVer * 2];
231	m_pObject._geo[0]._triSet[i]._refl = new float[NVer * 3];
232
233
234	TiXmlElement *aux1;
235
236
237	aux = tri->FirstChildElement();
238
239
240	for (j = 0; j < NVer; j++)
241	{
242	aux1 = aux->FirstChildElement("position");
243	m_pObject._geo[0]._triSet[i]._ver[3 * j] = atof(aux1->Attribute("x"));
244	m_pObject._geo[0]._triSet[i]._ver[3 * j + 1] = atof(aux1->Attribute("y"));
245	m_pObject._geo[0]._triSet[i]._ver[3 * j + 2] = atof(aux1->Attribute("z"));
246
247	aux1 = aux1->NextSiblingElement("normal");
248	m_pObject._geo[0]._triSet[i]._nor[3 * j] = atof(aux1->Attribute("x"));
249	m_pObject._geo[0]._triSet[i]._nor[3 * j + 1] = atof(aux1->Attribute("y"));
250	m_pObject._geo[0]._triSet[i]._nor[3 * j + 2] = atof(aux1->Attribute("z"));
251
252	aux1 = aux1->NextSiblingElement("texcoord");
253	m_pObject._geo[0]._triSet[i]._tex[2 * j] = atof(aux1->Attribute("u"));
254	m_pObject._geo[0]._triSet[i]._tex[2 * j + 1] = atof(aux1->Attribute("v"));
255
256	aux1 = aux->FirstChildElement("colour_diffuse");
257	response = aux1->Attribute("value");
258
259	if (color)
260	{
261	string = response.c_str();
262	k = 0;
263	m_pObject._geo[0]._triSet[i]._refl[3 * j] = getValue(string, k);
264	k++;
265	m_pObject._geo[0]._triSet[i]._refl[3 * j + 1] = getValue(string, k);
266	k++;
267	m_pObject._geo[0]._triSet[i]._refl[3 * j + 2] = getValue(string, k);
268	k++;
269	getValue(string, k);
270	}
271	else
272	{
273	m_pObject._geo[0]._triSet[i]._refl[3 * j] = 0.5;
274	m_pObject._geo[0]._triSet[i]._refl[3 * j + 1] = 0.5;
275	m_pObject._geo[0]._triSet[i]._refl[3 * j + 2] = 0.5;
276	}
277
278	aux = aux->NextSiblingElement();
279	}
280
281	i++;
282	}
283
284	NormalizeIt(dialog);
285
286	doc->Clear();
287	delete doc;
288
289	}
290
291	void CMesh::LoadMesh(char *argv)
292	{
293	/*->logMgr = new LogManager();
294	logMgr->createLog(opts.logFile, false, !opts.quietMode);
295	rgm = new ResourceGroupManager();
296	mth = new Math();
297	meshMgr = new MeshManager();
298	matMgr = new MaterialManager();
299	matMgr->initialise();
300	skelMgr = new SkeletonManager();
301	meshSerializer = new MeshSerializer();
302	xmlMeshSerializer = new XMLMeshSerializer();
303	skeletonSerializer = new SkeletonSerializer();
304	xmlSkeletonSerializer = new XMLSkeletonSerializer();
305	bufferManager = new DefaultHardwareBufferManager(); // needed because we don't have a rendersystem
306
307	/*->meshToXML(opts);
308	opts.source = opts.dest;
309	opts.sourceExt = opts.destExt;*/
310	XMLToSNStr(argv);
311
312
313	/*->delete xmlSkeletonSerializer;
314	delete skeletonSerializer;
315	delete xmlMeshSerializer;
316	delete meshSerializer;
317	delete skelMgr;
318	delete matMgr;
319	delete meshMgr;
320	delete bufferManager;
321	delete mth;
322	delete rgm;
323	delete logMgr;*/
324
325	}
326
327	void CMesh::FreeMem()
328	{
329
330	for(int i = 0; i<m_pObject._numGeos;i++)
331	{
332
333	for(int j = 0; j<m_pObject._geo[i]._numTriSets;j++)
334	{
335	delete m_pObject._geo[i]._triSet[j]._index;
336	delete m_pObject._geo[i]._triSet[j]._ver;
337	delete m_pObject._geo[i]._triSet[j]._nor;
338	delete m_pObject._geo[i]._triSet[j]._tex;
339	delete m_pObject._geo[i]._triSet[j]._refl;
340	}
341	delete m_pObject._geo[i]._triSet;
342	}
343
344	delete m_pObject._geo;
345
346	}
347

Note: See TracBrowser for help on using the repository browser.

Download in other formats: