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source: code/branches/kicklib/src/libraries/tools/bsp/Q3Map.cpp @ 8474

Last change on this file since 8474 was 7163, checked in by dafrick, 14 years ago
Merged presentation3 branch into trunk.
Property svn:eol-style set to `native`
File size: 144.9 KB

Line
1	/*
2	===========================================================================
3	Copyright (C) 2008 Daniel Örstadius
4	Copyright (C) 2009 Jared Prince
5
6	This file is part of bsp-renderer source code.
7
8	bsp-renderer is free software: you can redistribute it and/or modify
9	it under the terms of the GNU General Public License as published by
10	the Free Software Foundation, either version 3 of the License, or
11	(at your option) any later version.
12
13	bsp-renderer is distributed in the hope that it will be useful,
14	but WITHOUT ANY WARRANTY; without even the implied warranty of
15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	GNU General Public License for more details.
17
18	You should have received a copy of the GNU General Public License
19	along with bsp-renderer. If not, see <http://www.gnu.org/licenses/>.
20
21	*/
22
23	// Q3Map.cpp -- handles the map data
24
25	#include <string>
26	#include <math.h>
27
28	#include "Q3Map.h"
29	#include "Q3Map_misc.h"
30
31
32	//temp
33	//#include <io.h>
34	//#include <fcntl.h> /* Needed only for _O_RDWR definition */
35	//#include <sys/stat.h>
36
37	Q3Map::Q3Map()
38	{
39	m_nDebugA=0 ;
40
41	m_nNewCount=0 ;
42
43	m_pTexturesOrig=NULL ;
44	m_pFaces=NULL ;
45	m_pVertices=NULL ;
46	m_pMeshVerts=NULL ;
47	m_pLeafs=NULL ;
48	m_pLeafFaces=NULL ;
49	m_pPlanes=NULL ;
50	m_pNodes=NULL ;
51
52	//m_VisData->vecs=NULL ; // can't NULL this because m_VisData doesn't exist yet!
53	m_VisData=NULL ;
54
55	m_pBrushes=NULL ;
56	m_pLeafBrushes=NULL ;
57	m_pBrushSides=NULL ;
58	m_pLightMaps=NULL ;
59	m_pEntities=NULL ;
60
61	m_pSubZones=NULL ;
62	m_pPortals=NULL ;
63	//////////////////////////////////////////////////////
64
65	// initiallize our triangle memory management
66	m_nTriangleSize=0 ;
67	m_pTriangleMem=NULL ;
68	m_pTriangle=NULL ;
69	m_nTriangleMax=0 ;
70	m_nTriangleLimit=0 ;
71
72	m_nVertexSize=0 ;
73	m_pVertexMem=NULL ;
74	m_pVertex=NULL ;
75	m_nVertexMax=0 ;
76	m_nVertexLimit=0 ;
77
78	m_nLightSize=0 ;
79	m_pLightMem=NULL ;
80	m_pLight=NULL ;
81	m_nLightMax=0 ;
82	m_nLightLimit=0 ;
83	m_nMaxMultiZoneLight=0 ;
84
85	m_nLampSize=0 ;
86	m_pLampMem=NULL ;
87	m_pLamp=NULL ;
88	m_nLampMax=0 ;
89	m_nLampLimit=0 ;
90
91	m_nTextureSize=0 ;
92	m_pTextureMem=NULL ;
93	m_pTexture=NULL ;
94	m_nTextureMax=0 ;
95	m_nTextureLimit=0 ;
96
97	m_nTexLampSize=0 ;
98	m_pTexLampMem=NULL ;
99	m_pTexLamp=NULL ;
100	m_nTexLampMax=0 ;
101	m_nTexLampLimit=0 ;
102
103	m_BspFaces=NULL;
104
105	m_pTransTexture=NULL ;
106
107
108	// Q3Bug.LogInit() ;
109
110	}
111
112	Q3Map::~Q3Map()
113	{
114	// Q3Bug.LogSave("Q3Bug.log") ;
115
116	DELETE_ARRAY(m_pTransTexture) ;
117	//DELETE_ARRAY(m_pSubZones) ;
118	DELETE_ARRAY(mVisibleFaces) ;
119
120	FreeLightMemory() ;
121	FreeLampMemory() ;
122	FreeVertexMemory() ;
123	FreeTriangleMemory() ;
124	FreeTextureMemory() ;
125	FreeTexLampMemory() ;
126	DestroyBspFacesMemory() ; // free up face and patch data. Normally already done if we're just loading a new level or quitting, but we might also be here due to a loading fail or something.
127
128	// no need to delete any of the pointers to the lumps since their memory belongs to m_pRawBspFile over in OgreFramework.
129
130
131	}
132
133	void Q3Map::DestroyBspFacesMemory(void)
134	{
135	if(m_BspFaces)
136	{
137	// clean up any memory declared for patches
138	for (int i=0; i < m_NumBspFaces; i++)
139	if ((m_BspFaces[i].type == PATCH) && (m_BspFaces[i].patch != NULL))
140	{
141	DELETE_ARRAY( m_BspFaces[i].patch->bezier ) ;
142	DELETE_POINTER( m_BspFaces[i].patch ) ;
143	}
144
145	// delete the faces memory
146	DELETE_ARRAY( m_BspFaces ) ;
147	}
148	}
149
150
151
152	int Q3Map::parseMap(const char* pMem, size_t Size)
153	{
154	// we check all lump info to make sure it isn't trying to go out of bounds,
155	// in case some mangled bsp is trying to do something devious or is just corrupted
156
157
158
159
160
161	m_BspHeader=((Q3BspHeader_t)pMem) ; // pointer to the header
162
163	// run a check that the total size of all the iLengths plus the header isn't too large
164	size_t TotalLength=sizeof(Q3BspHeader_t) ; // initialize to the size of the header
165	int nLump=0 ;
166	int nOther=0 ;
167	int nLumpMin=0 ;
168	int nLumpMax=0 ;
169	int nOtherMin=0 ;
170	int nOtherMax=0 ;
171	for(nLump=0 ; nLump<MAX_LUMP ; nLump++)
172	{
173	if(m_BspHeader.Lumps[nLump].iLength<0) return -1 ; // lumps shouldn't have a negative size. FAIL!
174	if(m_BspHeader.Lumps[nLump].iLength>MAX_LUMP_SIZE) return -2 ; // no lump has a right to be this big... FAIL!
175
176
177	if( (m_BspHeader.Lumps[nLump].iLength>0) && (m_BspHeader.Lumps[nLump].iOffset<sizeof(Q3BspHeader_t)) )
178	return -3 ; // lump overlaps header, FAIL!
179
180	if((m_BspHeader.Lumps[nLump].iLength==0) && (m_BspHeader.Lumps[nLump].iOffset!=0))
181	return -4 ; // lump size is zero and yet offset is not zero??? FAIL!
182
183
184	TotalLength+=m_BspHeader.Lumps[nLump].iLength ;
185	if(TotalLength>Size) return -5 ;// this file is messed up, the lumps add up to more than the file size. FAIL!
186
187	// make sure this lump doesn't overlap any other lumps
188	nLumpMin=m_BspHeader.Lumps[nLump].iOffset ;
189	nLumpMax=nLumpMin+m_BspHeader.Lumps[nLump].iLength-1 ;
190
191	for(nOther=nLump+1 ; nOther<MAX_LUMP ; nOther++)
192	if((m_BspHeader.Lumps[nLump].iLength>0) && (m_BspHeader.Lumps[nOther].iLength>0)) // don't check zero sized lumps
193	{
194	nOtherMin=m_BspHeader.Lumps[nOther].iOffset ;
195	nOtherMax=nOtherMin+m_BspHeader.Lumps[nOther].iLength-1 ;
196
197	if((nLumpMax>=nOtherMin) && (nLumpMin<=nOtherMax))
198	return -6 ; // lump overlaps another lump, FAIL!
199	}
200	}
201
202
203
204
205	// setup pointers to the lumps
206
207	if((m_BspHeader.Lumps[0].iOffset<0) \|\| (m_BspHeader.Lumps[0].iOffset>=Size)) return -7 ; // fail if out of memory bounds
208	m_pEntities=(char*)(pMem+m_BspHeader.Lumps[0].iOffset) ;
209
210	if((m_BspHeader.Lumps[Faces].iOffset<0) \|\| (m_BspHeader.Lumps[Faces].iOffset>=Size)) return -8 ; // out of bounds
211	if(m_BspHeader.Lumps[Faces].iOffset+m_BspHeader.Lumps[Faces].iLength>Size) return -9 ; // out of bounds
212	m_iNumFaces = m_BspHeader.Lumps[Faces].iLength / sizeof(Q3BspFace_t);
213	m_pFaces=(Q3BspFace_t*)(pMem+m_BspHeader.Lumps[Faces].iOffset) ;
214
215	if((m_BspHeader.Lumps[Vertices].iOffset<0) \|\| (m_BspHeader.Lumps[Vertices].iOffset>=Size)) return -10 ; // out of bounds
216	if(m_BspHeader.Lumps[Vertices].iOffset+m_BspHeader.Lumps[Vertices].iLength>Size) return -11 ; // out of bounds
217	m_iNumVertices = m_BspHeader.Lumps[Vertices].iLength / sizeof(Q3BspVertex);
218	m_pVertices=(Q3BspVertex*)(pMem+m_BspHeader.Lumps[Vertices].iOffset) ;
219
220	if((m_BspHeader.Lumps[MeshVerts].iOffset<0) \|\| (m_BspHeader.Lumps[MeshVerts].iOffset>=Size)) return -12 ; // out of bounds
221	if(m_BspHeader.Lumps[MeshVerts].iOffset+m_BspHeader.Lumps[MeshVerts].iLength>Size) return -13 ; // out of bounds
222	m_iNumMeshVerts = m_BspHeader.Lumps[MeshVerts].iLength / sizeof(int);
223	m_pMeshVerts=(int*)(pMem+m_BspHeader.Lumps[MeshVerts].iOffset) ;
224
225	if((m_BspHeader.Lumps[Leafs].iOffset<0) \|\| (m_BspHeader.Lumps[Leafs].iOffset>=Size)) return -14 ; // out of bounds
226	if(m_BspHeader.Lumps[Leafs].iOffset+m_BspHeader.Lumps[Leafs].iLength>Size) return -15 ; // out of bounds
227	m_iNumLeafs = m_BspHeader.Lumps[Leafs].iLength / sizeof(Q3BspLeaf);
228	m_pLeafs=(Q3BspLeaf*)(pMem+m_BspHeader.Lumps[Leafs].iOffset) ;
229
230	if((m_BspHeader.Lumps[LeafFaces].iOffset<0) \|\| (m_BspHeader.Lumps[LeafFaces].iOffset>=Size)) return -16 ; // out of bounds
231	if(m_BspHeader.Lumps[LeafFaces].iOffset+m_BspHeader.Lumps[LeafFaces].iLength>Size) return -17 ; // out of bounds
232	m_iNumLeafFaces = m_BspHeader.Lumps[LeafFaces].iLength / sizeof(int);
233	m_pLeafFaces=(int*)(pMem+m_BspHeader.Lumps[LeafFaces].iOffset) ;
234
235	if((m_BspHeader.Lumps[LeafBrushes].iOffset<0) \|\| (m_BspHeader.Lumps[LeafBrushes].iOffset>=Size)) return -18 ; // out of bounds
236	if(m_BspHeader.Lumps[LeafBrushes].iOffset+m_BspHeader.Lumps[LeafBrushes].iLength>Size) return -19 ; // out of bounds
237	m_iNumLeafBrushes = m_BspHeader.Lumps[LeafBrushes].iLength / sizeof(int);
238	m_pLeafBrushes=(int*)(pMem+m_BspHeader.Lumps[LeafBrushes].iOffset) ;
239
240	if((m_BspHeader.Lumps[Textures].iOffset<0) \|\| (m_BspHeader.Lumps[Textures].iOffset>=Size)) return -20 ; // out of bounds
241	if(m_BspHeader.Lumps[Textures].iOffset+m_BspHeader.Lumps[Textures].iLength>Size) return -21 ; // out of bounds
242	m_iNumTexs = m_BspHeader.Lumps[Textures].iLength / sizeof(Q3BspTexture);
243	m_pTexturesOrig=(Q3BspTexture*)(pMem+m_BspHeader.Lumps[Textures].iOffset) ;
244
245	if((m_BspHeader.Lumps[Planes].iOffset<0) \|\| (m_BspHeader.Lumps[Planes].iOffset>=Size)) return -22 ; // out of bounds
246	if(m_BspHeader.Lumps[Planes].iOffset+m_BspHeader.Lumps[Planes].iLength>Size) return -23 ; // out of bounds
247	m_iNumPlanes = m_BspHeader.Lumps[Planes].iLength / sizeof(Q3BspPlane);
248	m_pPlanes=(Q3BspPlane*)(pMem+m_BspHeader.Lumps[Planes].iOffset) ;
249
250	if((m_BspHeader.Lumps[Nodes].iOffset<0) \|\| (m_BspHeader.Lumps[Nodes].iOffset>=Size)) return -24 ; // out of bounds
251	if(m_BspHeader.Lumps[Nodes].iOffset+m_BspHeader.Lumps[Nodes].iLength>Size) return -25 ; // out of bounds
252	m_iNumNodes = m_BspHeader.Lumps[Nodes].iLength / sizeof(Q3BspNode);
253	m_pNodes=(Q3BspNode*)(pMem+m_BspHeader.Lumps[Nodes].iOffset) ;
254
255	//m_iNumModels = m_BspHeader.Lumps[Models].iLength / sizeof(Q3BspModel);
256	//m_pModels = new Q3BspModel[m_iNumModels];
257
258	// bzn doesn't use lightmaps
259	//m_iNumLightMaps = m_BspHeader.Lumps[LightMaps].iLength / sizeof(Q3BspLightMap);
260	//m_pLightMaps=(Q3BspLightMap*)(pMem+m_BspHeader.Lumps[LightMaps].iOffset) ;
261
262	if((m_BspHeader.Lumps[Brushes].iOffset<0) \|\| (m_BspHeader.Lumps[Brushes].iOffset>=Size)) return -26 ; // out of bounds
263	if(m_BspHeader.Lumps[Brushes].iOffset+m_BspHeader.Lumps[Brushes].iLength>Size) return -27 ; // out of bounds
264	m_iNumBrushes = m_BspHeader.Lumps[Brushes].iLength / sizeof(Q3BspBrush);
265	m_pBrushes=(Q3BspBrush*)(pMem+m_BspHeader.Lumps[Brushes].iOffset) ;
266
267
268	if((m_BspHeader.Lumps[BrushSides].iOffset<0) \|\| (m_BspHeader.Lumps[BrushSides].iOffset>=Size)) return -28 ; // out of bounds
269	if(m_BspHeader.Lumps[BrushSides].iOffset+m_BspHeader.Lumps[BrushSides].iLength>Size) return -29 ; // out of bounds
270	m_iNumBrushSides = m_BspHeader.Lumps[BrushSides].iLength / sizeof(Q3BspBrushSide);
271	m_pBrushSides=(Q3BspBrushSide*)(pMem+m_BspHeader.Lumps[BrushSides].iOffset) ;
272
273	//m_iNumEffects = m_BspHeader.Lumps[Effects].iLength / sizeof(Q3BspEffect);
274	//m_pEffects = new Q3BspEffect[m_iNumEffects];
275	//
276	//m_pImages = new BDTexture[m_iNumTexs];
277
278	// bzn doesn't use visdata
279	//m_VisData=(Q3BspVisData*)(pMem+m_BspHeader.Lumps[VisData].iOffset) ;
280	//m_VisData->vecs=(unsigned char)(pMem+m_BspHeader.Lumps[VisData].iOffset + 2sizeof(int)) ;
281
282	///////////////////////////////////////////////////////////////////////////////////////////////////////////////
283
284	// bzn specific data
285	if((m_BspHeader.Lumps[SubZoneData].iOffset<0) \|\| (m_BspHeader.Lumps[SubZoneData].iOffset>=Size)) return -30 ; // out of bounds
286	if(m_BspHeader.Lumps[SubZoneData].iOffset+m_BspHeader.Lumps[SubZoneData].iLength>Size) return -31 ; // out of bounds
287	m_iNumSubZones = m_BspHeader.Lumps[SubZoneData].iLength / sizeof(BZN_SubZone_t);
288	m_pSubZones=(BZN_SubZone_t*)(pMem+m_BspHeader.Lumps[SubZoneData].iOffset) ;
289
290	if((m_BspHeader.Lumps[PortalData].iOffset<0) \|\| (m_BspHeader.Lumps[PortalData].iOffset>=Size)) return -32 ; // out of bounds
291	if(m_BspHeader.Lumps[PortalData].iOffset+m_BspHeader.Lumps[PortalData].iLength>Size) return -33 ; // out of bounds
292	m_iNumPortals = m_BspHeader.Lumps[PortalData].iLength / sizeof(BZN_Portal_t);
293	m_pPortals=(BZN_Portal_t*)(pMem+m_BspHeader.Lumps[PortalData].iOffset) ;
294
295
296
297
298
299
300	// fix coords and setup face memory
301	swizzleCoords();
302	mVisibleFaces = new int[m_iNumFaces];
303
304
305	// we need a new version of the textures, because when we parse the lights they will have textures to add to it,
306	// and we can't expand the texture lump because it's in the middle of a block of memory containing all the lumps.
307
308	// copy the texture lump
309	int nTexture=0 ;
310	for(nTexture=0 ; nTexture<m_iNumTexs ; nTexture++)
311	{
312	if(!AddTexture(m_pTexturesOrig[nTexture])) return -34 ; // failed to add texture, probably out of memory
313	}
314
315	return 0 ;
316
317	}
318
319
320	void Q3Map::swizzleCoords(void)
321	{
322	//DEBUG_OUTPUT("swizziling data...");
323	// vertices
324	for (int i=0; i < m_iNumVertices; i++)
325	{
326	swizzleFloat3(m_pVertices[i].position);
327	swizzleFloat3(m_pVertices[i].normal);
328	//m_pVertices[i].texcoord[0][0] = 1.0f - m_pVertices[i].texcoord[0][0];
329	}
330
331	// leafs
332	for (int i=0; i < m_iNumLeafs; i++)
333	{
334	swizzleInt3(m_pLeafs[i].maxs);
335	swizzleInt3(m_pLeafs[i].mins);
336	}
337
338	// faces, do lightmaps later...
339	for (int i=0; i < m_iNumFaces; i++)
340	{
341	swizzleFloat3(m_pFaces[i].normal);
342	}
343
344	// planes
345	for (int i=0; i < m_iNumPlanes; i++)
346	{
347	swizzleFloat3(m_pPlanes[i].normal);
348	}
349
350	// nodes
351	for (int i=0; i < m_iNumNodes; i++)
352	{
353	swizzleInt3(m_pNodes[i].maxs);
354	swizzleInt3(m_pNodes[i].mins);
355	}
356
357
358	// subzones
359	float flTemp=0.0f ;
360	for (int i=0; i < m_iNumSubZones; i++)
361	{
362	swizzleFloat3(m_pSubZones[i].Max);
363	swizzleFloat3(m_pSubZones[i].Min);
364
365	// swizzling will mix up z max and min due to the sign change, so swap them
366	flTemp=m_pSubZones[i].Max[2] ;
367	m_pSubZones[i].Max[2]=m_pSubZones[i].Min[2] ;
368	m_pSubZones[i].Min[2]=flTemp ;
369
370	}
371
372	// portals
373	for (int i=0; i < m_iNumPortals; i++)
374	{
375	swizzleFloat3(m_pPortals[i].Max);
376	swizzleFloat3(m_pPortals[i].Min);
377
378	// swizzling will mix up z max and min due to the sign change, so swap them
379	flTemp=m_pPortals[i].Max[2] ;
380	m_pPortals[i].Max[2]=m_pPortals[i].Min[2] ;
381	m_pPortals[i].Min[2]=flTemp ;
382
383	}
384
385
386
387
388	}
389
390	void Q3Map::swizzleFloat3(float t[3])
391	{
392	float temp;
393	temp = t[1];
394	t[1] = t[2];
395	t[2] = -temp;
396	}
397
398	void Q3Map::swizzleInt3(int t[3])
399	{
400	int temp;
401	temp = t[1];
402	t[1] = t[2];
403	t[2] = -temp;
404	}
405
406
407
408	Q3BspPatch *Q3Map::handlePatch(int faceIndex)
409	{
410	Q3BspPatch *q3patch;
411	q3patch = new Q3BspPatch;
412
413	int patch_size_x = (m_pFaces[faceIndex].size[0] - 1) / 2;
414	int patch_size_y = (m_pFaces[faceIndex].size[1] - 1) / 2;
415	int num_bezier_patches = patch_size_y * patch_size_x;
416
417	q3patch->size = num_bezier_patches;
418	q3patch->bezier = new Bezier[q3patch->size];
419
420	int patchIndex = 0;
421	int ii, n, j, nn;
422	for (ii = 0, n = 0; n < patch_size_x; n++, ii = 2*n)
423	{
424	for (j=0, nn=0; nn < patch_size_y; nn++, j = 2*nn)
425	{
426	int index = 0;
427	for (int ctr = 0; ctr < 3; ctr++)
428	{
429	int pos = ctr * m_pFaces[faceIndex].size[0];
430
431	q3patch->bezier[patchIndex].mControls[index++] =
432	BspVertex(
433	// position
434	m_pVertices[m_pFaces[faceIndex].vertex +
435	ii +
436	m_pFaces[faceIndex].size[0] * j +
437	pos].position,
438	// texture coordinates
439	m_pVertices[m_pFaces[faceIndex].vertex +
440	ii +
441	m_pFaces[faceIndex].size[0] * j +
442	pos].texcoord,
443	// normal
444	m_pVertices[m_pFaces[faceIndex].vertex +
445	ii +
446	m_pFaces[faceIndex].size[0] * j +
447	pos].normal);
448
449	q3patch->bezier[patchIndex].mControls[index++] =
450	BspVertex(
451	m_pVertices[m_pFaces[faceIndex].vertex + ii + m_pFaces[faceIndex].size[0] * j + pos + 1].position,
452	m_pVertices[m_pFaces[faceIndex].vertex + ii + m_pFaces[faceIndex].size[0] * j + pos + 1].texcoord,
453	m_pVertices[m_pFaces[faceIndex].vertex + ii + m_pFaces[faceIndex].size[0] * j + pos + 1].normal);
454
455	q3patch->bezier[patchIndex].mControls[index++] =
456	BspVertex(
457	m_pVertices[m_pFaces[faceIndex].vertex + ii + m_pFaces[faceIndex].size[0] * j + pos + 2].position,
458	m_pVertices[m_pFaces[faceIndex].vertex + ii + m_pFaces[faceIndex].size[0] * j + pos + 2].texcoord,
459	m_pVertices[m_pFaces[faceIndex].vertex + ii + m_pFaces[faceIndex].size[0] * j + pos + 2].normal);
460	}
461	q3patch->bezier[patchIndex].tessellate(5);
462	patchIndex++;
463	}
464	}
465
466	return q3patch;
467	}
468
469
470	int Q3Map::findVisibleFaces(const QVECTOR camPos, int facesToRender)
471	{
472	int leaf;
473	int visCluster;
474
475	leaf = findLeaf(camPos);
476
477	visCluster = m_pLeafs[leaf].cluster;
478
479	memset(mVisibleFaces, 0, sizeof(int) * m_iNumFaces);
480
481	int faceindex;
482	int renderindex=0;
483	m_ClusterCount=0 ;
484
485	for (int i=0; i < m_iNumLeafs; i++)
486	{
487	if (isClusterVisible(visCluster, m_pLeafs[i].cluster))
488	{
489	m_ClusterCount++ ;
490	bool vis=true ;//bool vis = mViewFrustum->checkIfBoxInside(m_pLeafs[i].mins, m_pLeafs[i].maxs);
491
492	if (vis)
493	{
494	for (int k=0; k < m_pLeafs[i].n_leaffaces; k++)
495	{
496	faceindex = m_pLeafFaces[m_pLeafs[i].leafface + k];
497	if (mVisibleFaces[faceindex] == 0)
498	{
499	mVisibleFaces[faceindex] = 1;
500	facesToRender[renderindex++] = faceindex;
501	}
502	}
503	}
504	}
505	}
506
507
508	facesToRender[renderindex] = -1;
509
510	return renderindex;
511	}
512
513
514	int Q3Map::findLeaf(const QVECTOR *camPos) const
515	{
516	int index = 0;
517
518	while (index >= 0)
519	{
520	const Q3BspNode *node = &m_pNodes[index];
521	const Q3BspPlane *plane = &m_pPlanes[node->plane];
522
523	// distance from point to plane
524	//QVECTOR normal = QVECTOR(plane->normal);
525	QVECTOR normal ;
526	normal[0]=plane->normal[0] ;
527	normal[1]=plane->normal[1] ;
528	normal[2]=plane->normal[2] ;
529
530
531	//const float distance = D3DXVec3Dot(&normal,camPos) - plane->dist;
532
533	const float distance=(normal[0]* camPos[0] + normal[1] camPos[1] + normal[2] *camPos[2]) - plane->dist ;
534
535	if(distance >= 0)
536	index = node->children[0];
537	else
538	index = node->children[1];
539	}
540
541	return -index - 1;
542	}
543
544	bool Q3Map::isClusterVisible(int visCluster, int testCluster) const
545	{
546	if (m_VisData == NULL)
547	return true;
548
549	if ((m_VisData->vecs == NULL) \|\| (visCluster < 0))
550	return true;
551
552	int i = (visCluster * m_VisData->sz_vecs) + (testCluster >> 3);
553	unsigned char visSet = m_VisData->vecs[i];
554
555	return (visSet & (1 << (testCluster & 7))) != 0;
556	}
557
558	Q3BspFace_t *Q3Map::getFaces(void)
559	{
560	return m_pFaces;
561	}
562
563
564
565
566
567	/***********************************************************************************************************\
568
569	New Parsing and Triangulation Functions
570
571	\***********************************************************************************************************/
572
573
574
575
576	// This routine is basically an overview of the entire process that converts the BSP
577	// into something our Ogre code can use to construct the map's mesh and level data.
578	// In essence, it converts the map geometry into a list of triangles sorted by zone and material,
579	// as well as extracting other map info like zone and portal bounding boxes, lights, entities etc.
580
581	int Q3Map::ParseAndTriangulateMap(const char* pData, size_t Size)
582	{
583
584	// char chMessage[1024] ;
585	int nError=0 ;
586
587	// setup pointers to the various lumps and get their quantities
588	nError=parseMap( pData, Size ) ;
589	if(nError<0)
590	{
591	//sprintf(chMessage, "Parse Map Error: %i", nError) ;
592	//Q3Bug.LogAddCR(chMessage) ;
593	return ERROR_ParseMap ;
594	}
595
596	// extract entities such as lights, monsters, etc
597	if(!ParseEntities()) return ERROR_ParseEntities ;
598
599	// initial memory allocation for triangles
600	m_nVertexMax=0 ;
601	if(!AllocateVertexMemory(m_iNumVertices)) return ERROR_AllocateVertex ;
602	if(!AllocateTriangleMemory()) return ERROR_AllocateTriangle ;
603	if(!initFaces()) return ERROR_InitializeFaces ;
604
605	// no new map textures should be added after here, or else SetupTransTextures won't work
606	if(!SetupTransTextures()) return ERROR_SetupTransTextures ;
607
608	// work out the zones
609	SetupZones() ;
610
611	// convert faces to triangles
612	if(!ConvertFacesToTriangles()) return ERROR_ConvertFaces ;
613
614	if(!ConvertPatchesToTriangles()) return ERROR_ConvertPatches ;
615
616	if(!ConvertLampsToTriangles()) return ERROR_ConvertLamps ;
617
618	if(!ConvertLampsToGlowTriangles()) return ERROR_ConvertLampGlow ;
619
620	if(!ConvertLightsToGlowTriangles()) return ERROR_ConvertLightGlow ;
621
622	GetTexLampTextureNumbers() ; // find out which textures, if any, are textures/common/bzn_lightnode0 to textures/common/bzn_lightnode3
623
624	// assign triangles to zones, splitting them where necessary
625	if(!AssignTrianglesToZones()) return ERROR_AssignTriangles ;
626
627	if(!ConvertTexLampsToLampTriangles()) return ERROR_ConvertTexLamp ;
628
629	// sort by group and re-range the group numbers
630	if(!SortTrianglesIntoGroups()) return ERROR_SortGroups ;
631
632	// sort the triangles in order of zone and texture. This will also get rid of any unsubzoned triangles.
633	if(!SortTrianglesIntoBatches()) return ERROR_SortTriangles ;
634
635
636
637
638	// Setup the portals, lights and various bits of map connectivity
639	AssignPortalsToZones() ; // what portals each zone touches
640	AssignLightsToZones() ; // what lights each zone touches
641	AssignLightsToPortals() ; // what lights each portal touches
642	AssignZonesToZones() ; // what zones each zone touches
643
644
645	return NOERROR ;
646	}
647
648	void Q3Map::FreeParseMem(void)
649	{
650	FreeVertexMemory() ;
651	FreeTriangleMemory() ;
652	DestroyBspFacesMemory() ;
653	}
654
655
656
657
658
659
660
661
662
663
664
665
666	///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
667	// memory management
668
669	int Q3Map::AllocateTriangleMemory(void)
670	{
671	// memory for the Triangle
672	m_nTriangleSize=MEMADD ; // starting memory size
673	m_pTriangleMem=malloc(m_nTriangleSize) ; // allocate starting memory space
674	m_pTriangle=(triangle_t*)m_pTriangleMem ; // a pointer to the memory cast as a triangle_t
675	m_nTriangleMax=0 ;
676	m_nTriangleLimit=m_nTriangleSize/sizeof(triangle_t) ; // if pos reaches this memory must expand
677
678	if(m_pTriangleMem==NULL)
679	return 0 ;
680
681	return 1 ;
682	}
683
684	void Q3Map::FreeTriangleMemory(void)
685	{
686	if(m_pTriangleMem) free(m_pTriangleMem) ;
687	m_pTriangleMem=NULL ;
688	m_pTriangle=NULL ;
689	m_nTriangleMax=0 ;
690	m_nTriangleLimit=0 ;
691	}
692
693	// increase size of Triangle memory, return 0 if failed
694	int Q3Map::ExpandTriangleMemory(void)
695	{
696	m_nTriangleSize+=MEMADD ; // increase size
697	m_pTriangleMem=realloc(m_pTriangleMem, m_nTriangleSize) ; // reallocate the memory
698	if(m_pTriangleMem==NULL) return 0 ; // failed to allocate memory, get out and return false
699
700	// if here then memory allocation succeeded
701	m_pTriangle=(triangle_t*)m_pTriangleMem ; // pointer to the memory cast as a triangle_t
702	m_nTriangleLimit=m_nTriangleSize/sizeof(triangle_t) ; // if pos reaches this memory must expand
703	return 1 ; // ok
704	}
705
706	int Q3Map::AddTriangle(triangle_t Triangle)
707	{
708	if(m_nTriangleMax>=m_nTriangleLimit)
709	if( !ExpandTriangleMemory() )
710	return 0 ;
711
712	m_pTriangle[m_nTriangleMax++]=Triangle ;
713
714	return 1 ;
715	}
716
717	int Q3Map::AllocateVertexMemory(int nVertNum)
718	{
719	// memory for the Vertex
720	m_nVertexSize=nVertNum*sizeof(Q3BspVertex)+MEMADD ; // starting memory size
721	m_pVertexMem=malloc(m_nVertexSize) ; // allocate starting memory space
722	m_pVertex=(Q3BspVertex*)m_pVertexMem ; // a pointer to the memory cast as a triangle_t
723	m_nVertexLimit=m_nVertexSize/sizeof(Q3BspVertex) ; // if pos reaches this memory must expand
724
725	if(m_pVertexMem==NULL)
726	return 0 ;
727
728	return 1 ;
729	}
730
731	void Q3Map::FreeVertexMemory(void)
732	{
733	if(m_pVertexMem) free(m_pVertexMem) ;
734	m_pVertexMem=NULL ;
735	m_pVertex=NULL ;
736	m_nVertexMax=0 ;
737	m_nVertexLimit=0 ;
738	}
739
740	// increase size of Vertex memory, return 0 if failed
741	int Q3Map::ExpandVertexMemory(void)
742	{
743	m_nVertexSize+=MEMADD ; // increase size
744	m_pVertexMem=realloc(m_pVertexMem, m_nVertexSize) ; // reallocate the memory
745	if(m_pVertexMem==NULL) return 0 ; // failed to allocate memory, get out and return false
746
747	// if here then memory allocation succeeded
748	m_pVertex=(Q3BspVertex*)m_pVertexMem ; // pointer to the memory cast as a triangle_t
749	m_nVertexLimit=m_nVertexSize/sizeof(Q3BspVertex) ; // if pos reaches this memory must expand
750	return 1 ; // ok
751	}
752
753	int Q3Map::AddVertex(Q3BspVertex Vertex)
754	{
755
756	if(m_nVertexMax>=m_nVertexLimit)
757	if( !ExpandVertexMemory() )
758	return 0 ;
759
760	m_pVertex[m_nVertexMax++]=Vertex ;
761
762	return 1 ;
763	}
764
765	int Q3Map::AllocateLightMemory(void)
766	{
767	// memory for the Light
768	m_nLightSize=MEMADD ; // starting memory size
769	m_pLightMem=malloc(m_nLightSize) ; // allocate starting memory space
770	m_pLight=(light_t*)m_pLightMem ; // a pointer to the memory cast as a light_t
771	m_nLightMax=0 ;
772	m_nLightLimit=m_nLightSize/sizeof(light_t) ; // if pos reaches this memory must expand
773
774	if(m_pLightMem==NULL)
775	return 0 ;
776
777	return 1 ;
778	}
779
780	void Q3Map::FreeLightMemory(void)
781	{
782	if(m_pLightMem) free(m_pLightMem) ;
783	m_pLightMem=NULL ;
784	m_pLight=NULL ;
785	m_nLightMax=0 ;
786	m_nLightLimit=0 ;
787	}
788
789	// increase size of Light memory, return 0 if failed
790	int Q3Map::ExpandLightMemory(void)
791	{
792	m_nLightSize+=MEMADD ; // increase size
793	m_pLightMem=realloc(m_pLightMem, m_nLightSize) ; // reallocate the memory
794	if(m_pLightMem==NULL) return 0 ; // failed to allocate memory, get out and return false
795
796	// if here then memory allocation succeeded
797	m_pLight=(light_t*)m_pLightMem ; // pointer to the memory cast as a light_t
798	m_nLightLimit=m_nLightSize/sizeof(light_t) ; // if pos reaches this memory must expand
799	return 1 ; // ok
800	}
801
802	int Q3Map::AddLight(light_t Light)
803	{
804	if(m_nLightLimit==0) // light memory hasn't been allocated yet
805	{
806	if( !AllocateLightMemory() )
807	return 0 ;
808	}
809	else
810	if(m_nLightMax>=m_nLightLimit)
811	if( !ExpandLightMemory() )
812	return 0 ;
813
814	m_pLight[m_nLightMax++]=Light ;
815
816	return 1 ;
817	}
818
819	// lamps are deferred shading, non-shadowing point lights
820	int Q3Map::AllocateLampMemory(void)
821	{
822	// memory for the Lamp
823	m_nLampSize=MEMADD ; // starting memory size
824	m_pLampMem=malloc(m_nLampSize) ; // allocate starting memory space
825	m_pLamp=(lamp_t*)m_pLampMem ; // a pointer to the memory cast as a lamp_t
826	m_nLampMax=0 ;
827	m_nLampLimit=m_nLampSize/sizeof(lamp_t) ; // if pos reaches this memory must expand
828
829	if(m_pLampMem==NULL)
830	return 0 ;
831
832	return 1 ;
833	}
834
835	void Q3Map::FreeLampMemory(void)
836	{
837	if(m_pLampMem) free(m_pLampMem) ;
838	m_pLampMem=NULL ;
839	m_pLamp=NULL ;
840	m_nLampMax=0 ;
841	m_nLampLimit=0 ;
842	}
843
844	// increase size of Lamp memory, return 0 if failed
845	int Q3Map::ExpandLampMemory(void)
846	{
847	m_nLampSize+=MEMADD ; // increase size
848	m_pLampMem=realloc(m_pLampMem, m_nLampSize) ; // reallocate the memory
849	if(m_pLampMem==NULL) return 0 ; // failed to allocate memory, get out and return false
850
851	// if here then memory allocation succeeded
852	m_pLamp=(lamp_t*)m_pLampMem ; // pointer to the memory cast as a lamp_t
853	m_nLampLimit=m_nLampSize/sizeof(lamp_t) ; // if pos reaches this memory must expand
854	return 1 ; // ok
855	}
856
857	int Q3Map::AddLamp(lamp_t Lamp)
858	{
859	if(m_nLampLimit==0) // Lamp memory hasn't been allocated yet
860	{
861	if( !AllocateLampMemory() )
862	return 0 ;
863	}
864	else
865	if(m_nLampMax>=m_nLampLimit)
866	if( !ExpandLampMemory() )
867	return 0 ;
868
869	m_pLamp[m_nLampMax++]=Lamp ;
870
871	return 1 ;
872	}
873
874	//////////////
875	// Q3BspTexture textures. We duplicate the loaded texture mem and then add lighting textures to it.
876
877	int Q3Map::AllocateTextureMemory(void)
878	{
879	// memory for the Texture
880	m_nTextureSize=MEMADD ; // starting memory size
881	m_pTextureMem=malloc(m_nTextureSize) ; // allocate starting memory space
882	m_pTexture=(Q3BspTexture*)m_pTextureMem ; // a pointer to the memory cast as a Q3BspTexture
883	m_nTextureMax=0 ;
884	m_nTextureLimit=m_nTextureSize/sizeof(Q3BspTexture) ; // if pos reaches this memory must expand
885
886	if(m_pTextureMem==NULL)
887	return 0 ;
888
889	return 1 ;
890	}
891
892	void Q3Map::FreeTextureMemory(void)
893	{
894	if(m_pTextureMem) free(m_pTextureMem) ;
895	m_pTextureMem=NULL ;
896	m_pTexture=NULL ;
897	m_nTextureMax=0 ;
898	m_nTextureLimit=0 ;
899	}
900
901	// increase size of Texture memory, return 0 if failed
902	int Q3Map::ExpandTextureMemory(void)
903	{
904	m_nTextureSize+=MEMADD ; // increase size
905	m_pTextureMem=realloc(m_pTextureMem, m_nTextureSize) ; // reallocate the memory
906	if(m_pTextureMem==NULL) return 0 ; // failed to allocate memory, get out and return false
907
908	// if here then memory allocation succeeded
909	m_pTexture=(Q3BspTexture*)m_pTextureMem ; // pointer to the memory cast as a Q3BspTexture
910	m_nTextureLimit=m_nTextureSize/sizeof(Q3BspTexture) ; // if pos reaches this memory must expand
911	return 1 ; // ok
912	}
913
914	int Q3Map::AddTexture(Q3BspTexture Texture)
915	{
916	if(m_nTextureLimit==0) // Texture memory hasn't been allocated yet
917	{
918	if( !AllocateTextureMemory() )
919	return 0 ;
920	}
921	else
922	if(m_nTextureMax>=m_nTextureLimit)
923	if( !ExpandTextureMemory() )
924	return 0 ;
925
926	m_pTexture[m_nTextureMax++]=Texture ;
927
928	return 1 ;
929	}
930
931	// special version of the Add function, will not add if the texture name already exist.
932	// Will succeed even if the texture is already on the list, but fails if it can't add a new texture
933	// returns texture index, or -1 on fail
934	// Q3 texture names can be tricky, I think I've had cases where they ended in spaces instead of nulls,
935	// and they might go all the way to the end without either.
936
937	int Q3Map::AddTextureUnique(Q3BspTexture Texture)
938	{
939	if(m_nTextureLimit==0) // Texture memory hasn't been allocated yet
940	if( !AllocateTextureMemory() )
941	return ADDTEXTUREUNIQUE_FAIL ; // fail
942
943
944	// scan through all the newly added textures so far and see if this one already exists.
945	int nTexture=0 ;
946	int nPos=0 ;
947
948	bool bMatch=false ;
949
950	for(nTexture=0 ; nTexture<m_nTextureMax ; nTexture++)
951	{
952	bMatch=true ;
953	// scan through the characters of the texture names, comparing them. We start after the original textures
954	//for(nPos=m_iNumTexs ; nPos<Q3NAMESIZE ; nPos++)
955	for(nPos=0 ; nPos<Q3NAMESIZE ; nPos++)
956	{
957	// is it the end of the texture name?
958	if(
959	((Texture.name[nPos] ==0) \|\| (Texture.name[nPos] ==' ')) // Texture name end
960	&&((m_pTexture[nTexture].name[nPos] ==0) \|\| (m_pTexture[nTexture].name[nPos] ==' ')) // m_pTexture name end
961	)
962	break ;
963
964	// do the two textures have a difference in the name at this position?
965	if(Texture.name[nPos]!=m_pTexture[nTexture].name[nPos])
966	{
967	bMatch=false ;
968	break ;
969	}
970
971	}// end scanning name
972
973	if(bMatch) // found a match, so return ok but don't add a texture
974	{
975	return nTexture ; // we don't add any new texture, return this texture's index
976	}
977	}
978
979	// if we got this far, we must have a unique texture
980
981	// add the texture, it is unique
982	if(m_nTextureMax>=m_nTextureLimit)
983	if( !ExpandTextureMemory() )
984	return ADDTEXTUREUNIQUE_FAIL ; // fail
985
986	m_pTexture[m_nTextureMax++]=Texture ;
987
988	return m_nTextureMax-1 ; // return this new texture's index
989
990	}
991
992
993	////////////////////////////////////////
994
995	int Q3Map::AllocateTexLampMemory(void)
996	{
997	// memory for the TexLamp
998	m_nTexLampSize=MEMADD ; // starting memory size
999	m_pTexLampMem=malloc(m_nTexLampSize) ; // allocate starting memory space
1000	m_pTexLamp=(int*)m_pTexLampMem ; // a pointer to the memory cast as an int
1001	m_nTexLampMax=0 ;
1002	m_nTexLampLimit=m_nTexLampSize/sizeof(int) ; // if pos reaches this memory must expand
1003
1004	if(m_pTexLampMem==NULL)
1005	return 0 ;
1006
1007	return 1 ;
1008	}
1009
1010	void Q3Map::FreeTexLampMemory(void)
1011	{
1012	if(m_pTexLampMem) free(m_pTexLampMem) ;
1013	m_pTexLampMem=NULL ;
1014	m_pTexLamp=NULL ;
1015	m_nTexLampMax=0 ;
1016	m_nTexLampLimit=0 ;
1017	}
1018
1019	// increase size of TexLamp memory, return 0 if failed
1020	int Q3Map::ExpandTexLampMemory(void)
1021	{
1022	m_nTexLampSize+=MEMADD ; // increase size
1023	m_pTexLampMem=realloc(m_pTexLampMem, m_nTexLampSize) ; // reallocate the memory
1024	if(m_pTexLampMem==NULL) return 0 ; // failed to allocate memory, get out and return false
1025
1026	// if here then memory allocation succeeded
1027	m_pTexLamp=(int*)m_pTexLampMem ; // pointer to the memory cast as an int
1028	m_nTexLampLimit=m_nTexLampSize/sizeof(int) ; // if pos reaches this memory must expand
1029	return 1 ; // ok
1030	}
1031
1032	int Q3Map::AddTexLamp(int TexLamp)
1033	{
1034	if(m_nTexLampMax>=m_nTexLampLimit)
1035	if( !ExpandTexLampMemory() )
1036	return 0 ;
1037
1038	m_pTexLamp[m_nTexLampMax++]=TexLamp ;
1039
1040	return 1 ;
1041	}
1042
1043	/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
1044	//
1045	// extract entities from bsp entities lump
1046	int Q3Map::ParseEntities(void)
1047	{
1048	// char chKey[MAX_TOKENSIZE+1] ; // +1 to leave room for null terminator
1049	// char chValue[MAX_TOKENSIZE+1] ; // +1 to leave room for null terminator
1050	int nPos=0 ;
1051	int nMaxPos=m_BspHeader.Lumps[0].iLength ;
1052	int nEntityType=0 ;
1053
1054
1055	// reset the spotlight textures
1056	m_nMaxSpotlightTexture=0 ;
1057	for(nPos=0 ; nPos<MAX_PROJECTORTEX ; nPos++)
1058	m_chSpotlightTexture[nPos][0]='\0' ;
1059
1060	strcpy(m_chSpotlightTexture[m_nMaxSpotlightTexture], "spotlight.dds") ; // the default spotlight texture
1061	m_nMaxSpotlightTexture++ ;
1062
1063	////////////////////////////////////////////////////////////////////////////
1064	// before adding all the entities we need to add some default textures
1065	Q3BspTexture Texture ;
1066	Texture.contents=0 ;
1067	Texture.flags=0 ;
1068
1069	// default lamp texture
1070	strcpy(Texture.name, "lights/lamp_default") ;
1071	m_nDefaultTextureIndexLamp=AddTextureUnique(Texture) ;
1072	if(m_nDefaultTextureIndexLamp==ADDTEXTUREUNIQUE_FAIL) return 0 ;
1073
1074	// default lamp2Pass texture
1075	strcpy(Texture.name, "lights/lamp2pass_default") ;
1076	m_nDefaultTextureIndexLamp2Pass=AddTextureUnique(Texture) ;
1077	if(m_nDefaultTextureIndexLamp2Pass==ADDTEXTUREUNIQUE_FAIL) return 0 ;
1078
1079	// default glow texture
1080	strcpy(Texture.name, "GLOW_lamp") ;
1081	m_nDefaultTextureIndexGlowLamp=AddTextureUnique(Texture) ;
1082	if(m_nDefaultTextureIndexGlowLamp==ADDTEXTUREUNIQUE_FAIL) return 0 ;
1083
1084	// default glow texture
1085	strcpy(Texture.name, "GLOW_light") ;
1086	m_nDefaultTextureIndexGlowLight=AddTextureUnique(Texture) ;
1087	if(m_nDefaultTextureIndexGlowLight==ADDTEXTUREUNIQUE_FAIL) return 0 ;
1088
1089
1090	// default spotlight texture
1091	//strcpy(Texture.name, "lights/light_default") ;
1092	//m_nDefaultTextureIndexSpotlight=AddTextureUnique(Texture) ;
1093	//if(m_nDefaultTextureIndexSpotlight==ADDTEXTUREUNIQUE_FAIL) return 0 ;
1094
1095	//
1096	///////////////////////////////////////////////////////////////////////////
1097
1098
1099	nPos=-1 ;
1100	while(NextEntity(&nPos, nMaxPos))
1101	{
1102
1103	nEntityType=GetEntityType(nPos, nMaxPos) ; // what type of entity is it?
1104
1105
1106	switch(nEntityType)
1107	{
1108	case ENTITY_ERROR: return 0 ; // something is wrong with the entity data
1109
1110	case ENTITY_LIGHT:
1111	if(!ParseAndAddLight(&nPos, nMaxPos))
1112	return 0 ; // something went wrong with parsing the light
1113	break ;
1114	}// end switch entity type
1115
1116
1117	}// end get next entity
1118
1119
1120
1121	// everything is ok.
1122	return 1 ;
1123	}
1124
1125	// move to the beginning of the next entity.
1126	// fail if there are no more.
1127	int Q3Map::NextEntity(int* pPos, int nMaxPos)
1128	{
1129	while((++pPos<nMaxPos) && (m_pEntities[pPos]!='{')) ;
1130
1131	if(*pPos==nMaxPos)
1132	return 0 ;
1133
1134	return 1 ;
1135	}
1136
1137	// find out what type of entity this is.
1138	// Since the classname might not be at the beginning we have to scan through the whole entity
1139	// This function also doesn't update the position like the others do,
1140	// since scanning of further key/values will have to start at the beginning of the entity again.
1141	int Q3Map::GetEntityType(int nPos, int nMaxPos)
1142	{
1143	char chKey[MAX_TOKENSIZE+1] ; // +1 to leave room for null terminator
1144	char chValue[MAX_TOKENSIZE+1] ; // +1 to leave room for null terminator
1145
1146	while(nPos<nMaxPos)
1147	{
1148	if(GetEntityKeyAndValue(&nPos, nMaxPos, chKey, chValue)!=KEY_OK) return ENTITY_ERROR ; // something went wrong, couldn't find any good keys
1149
1150	if(strcmp(chKey, "classname")==0) // found the classname key
1151	{
1152	if(strcmp(chValue, "worldspawn")==0) return ENTITY_WORLDSPAWN ;
1153	if(strcmp(chValue, "light")==0) return ENTITY_LIGHT ;
1154
1155	// wasn't any entity we recognize
1156	return ENTITY_UNKNOWN ;
1157
1158	}// end if got entity classname
1159
1160	}// end while nPos
1161
1162	// didn't find any classname
1163	return ENTITY_ERROR ;
1164	}
1165
1166	// get next entity key and value
1167	int Q3Map::GetEntityKeyAndValue(int* pPos, int nMaxPos, char* pKey, char* pValue)
1168	{
1169
1170	char* pEntText=m_pEntities ;
1171	int nEntPos=*pPos ;
1172	int nKeyPos=-1 ;
1173	int nValuePos=-1 ;
1174
1175	// clear key and value strings
1176	pKey[0]='\0' ;
1177	pValue[0]='\0' ;
1178
1179	/////////////////////////////////////////////////////////////////////////////////////////
1180	// Key
1181
1182	// find the next "
1183	while((++nEntPos<nMaxPos) && (pEntText[nEntPos]!='}') && (pEntText[nEntPos]!='"')) ;
1184
1185	// didn't find key, get out
1186	if((nEntPos==nMaxPos) \|\| (pEntText[nEntPos]=='}'))
1187	return KEY_NONE ;
1188
1189
1190	// copy key
1191	while((++nEntPos<nMaxPos) && (nKeyPos<MAX_TOKENSIZE) && (pEntText[nEntPos]!='}') && (pEntText[nEntPos]!='"'))
1192	pKey[++nKeyPos]=pEntText[nEntPos] ;
1193
1194	if((nEntPos==nMaxPos) \|\| (nKeyPos==MAX_TOKENSIZE) \|\| (pEntText[nEntPos]=='}'))
1195	return KEY_ERROR ; // entity was incomplete or too big
1196
1197	pKey[++nKeyPos]='\0' ;
1198
1199	/////////////////////////////////////////////////////////////////////////////////////////
1200	// value
1201
1202	// find the next "
1203	while((++nEntPos<nMaxPos) && (pEntText[nEntPos]!='}') && (pEntText[nEntPos]!='"')) ;
1204
1205	// didn't find value, get out
1206	if((nEntPos==nMaxPos) \|\| (pEntText[nEntPos]=='}'))
1207	return KEY_ERROR ;
1208
1209	// copy value
1210	while((++nEntPos<nMaxPos) && (nValuePos<MAX_TOKENSIZE) && (pEntText[nEntPos]!='}') && (pEntText[nEntPos]!='"'))
1211	pValue[++nValuePos]=pEntText[nEntPos] ;
1212
1213	if((nEntPos==nMaxPos) \|\| (nValuePos==MAX_TOKENSIZE) \|\| (pEntText[nEntPos]=='}'))
1214	return KEY_ERROR ; // entity was incomplete or too big
1215
1216	pValue[++nValuePos]='\0' ;
1217
1218	/////////////////////////////////////////////////////////////////////////////////////////
1219
1220	*pPos=nEntPos+1 ;
1221
1222	return KEY_OK ;
1223	}
1224
1225
1226	// fills array pNumber with the values extracted from pValue, returns how many numbers it got.
1227	// float version
1228	int Q3Map::GetNumbersFromValue(char* pValue, float *pNumber, int nNumberSize)
1229	{
1230	int nLength=strlen(pValue) ;
1231	if(nLength<1) return 0 ;
1232
1233	int nPos=-1 ;
1234	int nCount=0 ;
1235	char chTemp[MAX_TOKENSIZE+1] ;
1236	int nTempPos=0 ;
1237
1238	do
1239	{
1240
1241	nPos++ ;
1242
1243	if(
1244	((pValue[nPos]>='0') && (pValue[nPos]<='9')) // found another digit
1245	\|\|
1246	(pValue[nPos]=='.')
1247	\|\|
1248	(pValue[nPos]=='-')
1249	)
1250	{
1251	chTemp[nTempPos++]=pValue[nPos] ;
1252	if(nTempPos==MAX_TOKENSIZE) return 0 ; // number too big
1253	}
1254	else // anything else means the end of the number
1255	{
1256
1257	chTemp[nTempPos]='\0' ;
1258	pNumber[nCount++]=atof(chTemp) ;
1259	nTempPos=0 ;
1260	}
1261
1262
1263	}while((nPos<nLength) && (nCount<nNumberSize) && (pValue[nPos]!='\0')) ;
1264
1265
1266	return nCount ;
1267	}
1268
1269	// integer version
1270	int Q3Map::GetNumbersFromValue(char* pValue, int *pNumber, int nNumberSize)
1271	{
1272	int nLength=strlen(pValue) ;
1273	if(nLength<1) return 0 ;
1274
1275	int nPos=-1 ;
1276	int nCount=0 ;
1277	char chTemp[MAX_TOKENSIZE+1] ;
1278	int nTempPos=0 ;
1279
1280	do
1281	{
1282
1283	nPos++ ;
1284
1285	if(
1286	((pValue[nPos]>='0') && (pValue[nPos]<='9')) // found another digit
1287	\|\|
1288	(pValue[nPos]=='.')
1289	\|\|
1290	(pValue[nPos]=='-')
1291	)
1292	{
1293	chTemp[nTempPos++]=pValue[nPos] ;
1294	if(nTempPos==MAX_TOKENSIZE) return 0 ; // number too big
1295	}
1296	else // anything else means the end of the number
1297	{
1298
1299	chTemp[nTempPos]='\0' ;
1300	pNumber[nCount++]=atoi(chTemp) ;
1301	nTempPos=0 ;
1302	}
1303
1304
1305	}while((nPos<nLength) && (nCount<nNumberSize) && (pValue[nPos]!='\0')) ;
1306
1307
1308	return nCount ;
1309	}
1310
1311	//''
1312	// extracts data for either forward rendered shadow casting spotlights or deferred shading non-shadowing point lights
1313	// the point lights ("lamps") will later be changed into map triangles.
1314	int Q3Map::ParseAndAddLight(int* pPos, int nMaxPos)
1315	{
1316	// char chMessage[1024] ;
1317
1318
1319	char chKey[MAX_TOKENSIZE+1] ; // +1 to leave room for null terminator
1320	char chValue[MAX_TOKENSIZE+1] ; // +1 to leave room for null terminator
1321	float flOrigin[3]={0.0f, 0.0f, 0.0f} ;
1322	float flColour[3]={1.0f, 1.0f, 1.0f} ;
1323	float flCentre[3]={0.0f, 0.0f, 0.0f} ;
1324	float flAimvec[3]={0.0f, 0.0f, 0.0f} ;
1325	float flRadius[3]={0.0f, 0.0f, 0.0f} ;
1326
1327	float flTemp[3]={0.0f, 0.0f, 0.0f} ;
1328	int nTemp[3] ;
1329
1330	float flAngle=0.0f ;
1331	float flCutoff=0.0f ;
1332	float flLength=0.0f ;
1333	float flBrightness=0.0f ;
1334	int nLightNode=-1 ;
1335
1336	bool bSpotLight=false ;
1337
1338	Q3BspTexture Q3Texture ;
1339	Q3Texture.flags=0 ;
1340	Q3Texture.contents=0 ;
1341	Q3Texture.name[0]=0 ;
1342
1343
1344	light_t NewLight ; // forward rendered shadow casting spotlight
1345	ZeroMemory((void*)&NewLight, sizeof(light_t)) ;
1346
1347	lamp_t NewLamp ; // deferred shading non-shadowing point light
1348	ZeroMemory((void*)&NewLamp, sizeof(lamp_t)) ;
1349
1350	int nKeyReturn=KEY_NONE ;
1351
1352	do
1353	{
1354	nKeyReturn=GetEntityKeyAndValue(pPos, nMaxPos, chKey, chValue) ;
1355
1356	if(nKeyReturn==KEY_OK) // found a key
1357	{
1358
1359	if(strcmp(chKey, "origin")==0)
1360	{
1361	if(GetNumbersFromValue(chValue, flOrigin, 3)!=3) return 0 ; // extract the numbers
1362	swizzleFloat3(flOrigin) ; // fix coordinates
1363	}
1364	else
1365	if(strcmp(chKey, "_color")==0)
1366	{
1367	if(GetNumbersFromValue(chValue, flColour, 3)!=3) return 0 ; // extract the numbers
1368	}
1369	else
1370	if(strcmp(chKey, "light_center")==0)
1371	{
1372	if(GetNumbersFromValue(chValue, flCentre, 3)!=3) return 0 ; // extract the numbers
1373	swizzleFloat3(flCentre) ; // fix coordinates
1374	}
1375	else
1376	if(strcmp(chKey, "light_target")==0)
1377	{
1378	if(GetNumbersFromValue(chValue, flAimvec, 3)!=3) return 0 ; // extract the numbers
1379	swizzleFloat3(flAimvec) ; // fix coordinates
1380	bSpotLight=true ; // if there's a target key, then this must be a spotlight
1381	}
1382	else
1383	if(strcmp(chKey, "light_radius")==0)
1384	{
1385	if(GetNumbersFromValue(chValue, flRadius, 3)!=3) return 0 ; // extract the numbers
1386	swizzleFloat3(flRadius) ; // fix coordinates
1387	// make sure all values are positive
1388	flRadius[0]=fabs(flRadius[0]) ;
1389	flRadius[1]=fabs(flRadius[1]) ;
1390	flRadius[2]=fabs(flRadius[2]) ;
1391	}
1392	else
1393	if(strcmp(chKey, "light_abc")==0)
1394	{
1395	if(GetNumbersFromValue(chValue, flTemp, 3)!=3) return 0 ; // extract the numbers
1396	flAngle = flTemp[0] ;
1397	flBrightness = flTemp[1] ;
1398	flCutoff = flTemp[2] ;
1399	}
1400	else
1401	if(strcmp(chKey, "texture")==0)
1402	{
1403	strcpy(Q3Texture.name, chValue) ;
1404	}
1405	if(strcmp(chKey, "light_node")==0)
1406	{
1407	if(GetNumbersFromValue(chValue, nTemp, 1)!=1) return 0 ; // extract the number
1408	nLightNode = nTemp[0] ;
1409	if((nLightNode<0) \|\| (nLightNode>3)) return 0 ; // something dodgy about the lightnode number
1410	}
1411
1412	}// end if key ok
1413
1414
1415
1416	}while(nKeyReturn==KEY_OK) ; // end do looping through keys
1417
1418
1419	// return a fail if there was a problem with the keys
1420	if(nKeyReturn==KEY_ERROR) return 0 ;
1421
1422
1423	if(bSpotLight)// found a light_target so this must be a spotlight
1424	{
1425	// light settings.
1426	NewLight.Position[0]=flOrigin[0]+flCentre[0] ;
1427	NewLight.Position[1]=flOrigin[1]+flCentre[1] ;
1428	NewLight.Position[2]=flOrigin[2]+flCentre[2] ;
1429
1430	NewLight.Min[0]=flOrigin[0]-flRadius[0] ;
1431	NewLight.Min[1]=flOrigin[1]-flRadius[1] ;
1432	NewLight.Min[2]=flOrigin[2]-flRadius[2] ;
1433
1434	NewLight.Max[0]=flOrigin[0]+flRadius[0] ;
1435	NewLight.Max[1]=flOrigin[1]+flRadius[1] ;
1436	NewLight.Max[2]=flOrigin[2]+flRadius[2] ;
1437
1438	NewLight.Colour[0]=flColour[0] ;
1439	NewLight.Colour[1]=flColour[1] ;
1440	NewLight.Colour[2]=flColour[2] ;
1441
1442	NewLight.Angle=flAngle ;
1443	NewLight.Cutoff=flCutoff ;
1444	NewLight.Brightness=flBrightness * BRIGHTNESSTWEAK ;
1445
1446
1447	// direction light points, as a normal
1448	flLength=sqrt( flAimvec[0]flAimvec[0] + flAimvec[1]flAimvec[1] + flAimvec[2]*flAimvec[2] ) ;
1449	if(flLength>0.0f)
1450	{
1451	NewLight.Direction[0]=flAimvec[0]/flLength ;
1452	NewLight.Direction[1]=flAimvec[1]/flLength ;
1453	NewLight.Direction[2]=flAimvec[2]/flLength ;
1454	}
1455	else
1456	{ // default to pointing down
1457	NewLight.Direction[0]=0.0f ;
1458	NewLight.Direction[1]=1.0f ;
1459	NewLight.Direction[2]=0.0f ;
1460	}
1461
1462	NewLight.ZoneCount=0 ;
1463	NewLight.CentreZone=0 ;
1464
1465
1466	if(Q3Texture.name[0]==0)
1467	strcpy(Q3Texture.name, "spotlight.dds") ;
1468
1469	NewLight.Texture=AddSpolightTexture(Q3Texture.name) ;
1470
1471
1472	if(NewLight.Texture==ADDSPOTLIGHTTEXTURE_FAIL)
1473	return 0 ; // failure
1474
1475	//AddTextureUnique(Q3Texture) ;
1476	/*
1477	// add the light's texture index
1478	if(Q3Texture.name[0]==0)
1479	NewLight.Texture=m_nDefaultTextureIndexSpotlight ;
1480	else
1481	{
1482	NewLight.Texture=AddTextureUnique(Q3Texture) ; // this will add the texture name to the list if it is unique, as well as setting the index
1483	if(NewLight.Texture==ADDTEXTUREUNIQUE_FAIL)
1484	return 0 ;
1485	}
1486	*/
1487
1488	return AddLight(NewLight) ;
1489	}
1490	else // add a non-shadowing deferred shading point light
1491	{
1492	// light settings.
1493	NewLamp.Position[0]=flOrigin[0]+flCentre[0] ;
1494	NewLamp.Position[1]=flOrigin[1]+flCentre[1] ;
1495	NewLamp.Position[2]=flOrigin[2]+flCentre[2] ;
1496
1497	NewLamp.Min[0]=flOrigin[0]-flRadius[0] ;
1498	NewLamp.Min[1]=flOrigin[1]-flRadius[1] ;
1499	NewLamp.Min[2]=flOrigin[2]-flRadius[2] ;
1500
1501	NewLamp.Max[0]=flOrigin[0]+flRadius[0] ;
1502	NewLamp.Max[1]=flOrigin[1]+flRadius[1] ;
1503	NewLamp.Max[2]=flOrigin[2]+flRadius[2] ;
1504
1505	NewLamp.Colour[0]=flColour[0] ;
1506	NewLamp.Colour[1]=flColour[1] ;
1507	NewLamp.Colour[2]=flColour[2] ;
1508
1509	NewLamp.Brightness=flBrightness * BRIGHTNESSTWEAK ;
1510
1511	NewLamp.LightNode=nLightNode ; // typically -1, but may be 0 to 3 if this lamp is the node for some TexLamp freeform deferred shading geometry.
1512
1513
1514	// Note that m_pLamp.Zone will be set after we first convert lamps into triangles and then
1515	// assign those triangles to zones. At that point, if the assigned triangle is also flagged as
1516	// coming from a lamp, then the lamp's list of zones will be updated.
1517
1518	// add the light's texture index
1519	if(Q3Texture.name[0]==0)
1520	{
1521	if(nLightNode==-1)
1522	NewLamp.Texture=m_nDefaultTextureIndexLamp ; // normal 1 pass deferred shading
1523	else
1524	NewLamp.Texture=m_nDefaultTextureIndexLamp2Pass ; // special 2 pass deferred shading to texlamps
1525	}
1526	else
1527	{
1528	NewLamp.Texture=AddTextureUnique(Q3Texture) ; // this will add the texture name to the list if it is unique, as well as setting the index
1529	if(NewLamp.Texture==ADDTEXTUREUNIQUE_FAIL)
1530	return 0 ;
1531	}
1532
1533	return AddLamp(NewLamp) ;
1534	}
1535
1536	}
1537
1538	// adds a spotlight texture name if it is unique, returns the index to that texture name either way.
1539	// returns ADDSPOTLIGHTTEXTURE_FAIL on a fail
1540
1541	int Q3Map::AddSpolightTexture(char TEXNAME[])
1542	{
1543	if((strlen(TEXNAME)>Q3NAMESIZE) \|\| (m_nMaxSpotlightTexture>=MAX_PROJECTORTEX))
1544	return ADDSPOTLIGHTTEXTURE_FAIL ;
1545
1546
1547	// scan through all the newly added textures so far and see if this one already exists.
1548	int nTexture=0 ;
1549	int nPos=0 ;
1550
1551	bool bMatch ;
1552
1553	for(nTexture=0 ; nTexture<m_nMaxSpotlightTexture ; nTexture++)
1554	{
1555	bMatch=true ;
1556	// scan through the characters of the texture names, comparing them.
1557	for(nPos=0 ; nPos<Q3NAMESIZE ; nPos++)
1558	{
1559	// do the two textures have a difference in the name at this position?
1560	if(m_chSpotlightTexture[nTexture][nPos]!=TEXNAME[nPos])
1561	{
1562	bMatch=false ;
1563	break ;
1564	}
1565
1566	// is it the end of the texture name?
1567	if(TEXNAME[nPos]=='\0') // end of texture
1568	break ;
1569
1570	}// end scanning name
1571
1572	if(bMatch) // found a match, so return ok but don't add a texture
1573	return nTexture ; // we don't add any new texture, return this texture's index
1574	}
1575
1576	// if we got this far, we must have a unique texture
1577	strcpy(m_chSpotlightTexture[m_nMaxSpotlightTexture], TEXNAME) ;
1578	m_nMaxSpotlightTexture++ ;
1579
1580	return m_nMaxSpotlightTexture-1 ; // return this new texture's index
1581
1582	}
1583
1584
1585	/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
1586
1587
1588	int Q3Map::initFaces(void)
1589	{
1590
1591	m_nGroup=0 ; // reset the group counter, used to work out transparent groupings for triangles.
1592
1593	Q3BspFace_t *faces = getFaces();
1594
1595	m_BspFaces = new Q3BspFaceRenderer[m_iNumFaces];
1596	if(m_BspFaces==NULL) return 0 ; // fail, out of memory.
1597	m_NumBspFaces = m_iNumFaces;
1598
1599
1600	for (int i=0; i < m_NumBspFaces; i++)
1601	{
1602	m_BspFaces[i].lm_index = faces[i].lm_index;
1603	m_BspFaces[i].meshvert = faces[i].meshvert;
1604	m_BspFaces[i].n_meshverts = faces[i].n_meshverts;
1605	m_BspFaces[i].n_vertexes = faces[i].n_vertexes;
1606	for (int j=0; j<3; j++)
1607	m_BspFaces[i].normal[j] = faces[i].normal[j];
1608	m_BspFaces[i].texture = faces[i].texture;
1609	m_BspFaces[i].type = faces[i].type;
1610	m_BspFaces[i].vertex = faces[i].vertex;
1611
1612	m_BspFaces[i].n_triangles = m_BspFaces[i].n_meshverts / 3;
1613
1614	if (m_BspFaces[i].type == PATCH)
1615	{
1616	m_BspFaces[i].patch = handlePatch(i);
1617	}
1618	else
1619	{
1620	m_BspFaces[i].patch = NULL;
1621	}
1622
1623
1624	}
1625
1626
1627	// check patches aren't degenerate
1628	int numIndex = 0;
1629	int numVertex = 0;
1630
1631
1632	for (int i=0; i < m_NumBspFaces; i++)
1633	{
1634
1635	numIndex = 0;
1636	numVertex = 0;
1637
1638	if ((m_BspFaces[i].type == PATCH) && (m_BspFaces[i].patch != NULL))
1639	{
1640	for (int j=0; j < m_BspFaces[i].patch->size; j++)
1641	{
1642	numIndex += m_BspFaces[i].patch->bezier[j].mNumIndex;
1643	numVertex += m_BspFaces[i].patch->bezier[j].mNumVertex;
1644	}
1645
1646	if((numIndex==0) \|\| (numVertex==0))
1647	{
1648	DELETE_ARRAY( m_BspFaces[i].patch->bezier ) ;
1649	DELETE_POINTER( m_BspFaces[i].patch ) ;
1650	}
1651
1652	}// end if patch
1653
1654
1655	}// end for
1656
1657
1658
1659	// copy the vertices over.
1660	// We need to work on a copy because we need to create new verts when splitting triangles that cross subzones, and for patches
1661	for(int i=0 ; i<m_iNumVertices ; i++)
1662	{
1663	m_pVertex[i]=m_pVertices[i] ;
1664	m_nVertexMax++ ; // need to update this manually since we aren't adding new verts, but filling in the original mem.
1665	}
1666
1667
1668	return 1 ;
1669
1670	}
1671
1672
1673	/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
1674	//
1675	// stuff for assigning triangles to subzones, splitting them where necessary.
1676	//
1677	/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
1678
1679	void Q3Map::SetupZones(void)
1680	{
1681	int nSubZone=0 ;
1682	int nZone=0 ;
1683	int nPos=0 ;
1684
1685	// float flMinX=0.0f ;
1686	// float flMinY=0.0f ;
1687	// float flMinZ=0.0f ;
1688	// float flMaxX=0.0f ;
1689	// float flMaxY=0.0f ;
1690	// float flMaxZ=0.0f ;
1691
1692	m_nMaxZone=0 ;
1693
1694	for(nZone=0 ; nZone<MAX_ZONE ; nZone++)
1695	{
1696	m_nZone[nZone][INDEX_SUBZONECOUNT]=0 ;
1697	m_ZoneBoundary[nZone].Min[0]=MINMAXLIMIT ;
1698	m_ZoneBoundary[nZone].Min[1]=MINMAXLIMIT ;
1699	m_ZoneBoundary[nZone].Min[2]=MINMAXLIMIT ;
1700	m_ZoneBoundary[nZone].Max[0]=-MINMAXLIMIT ;
1701	m_ZoneBoundary[nZone].Max[1]=-MINMAXLIMIT ;
1702	m_ZoneBoundary[nZone].Max[2]=-MINMAXLIMIT ;
1703	}
1704
1705
1706	// find the highest used zone number, then +1 to get our limit.
1707	for(nSubZone=0 ; nSubZone<m_iNumSubZones ; nSubZone++)
1708	if(m_pSubZones[nSubZone].Zone>m_nMaxZone)
1709	m_nMaxZone=m_pSubZones[nSubZone].Zone ;
1710
1711	m_nMaxZone++ ; // our limit
1712
1713
1714	//char chMessage[1024] ;
1715
1716
1717	// fill in what subzones are in each zone
1718	for(nSubZone=0 ; nSubZone<m_iNumSubZones ; nSubZone++)
1719	{
1720
1721
1722	nZone=m_pSubZones[nSubZone].Zone ;
1723
1724	// find next empty slot in this zone
1725	nPos=0 ;
1726	while((nPos<MAX_SUBZONEPERZONE) && (nPos<m_nZone[nZone][INDEX_SUBZONECOUNT]))
1727	nPos++ ;
1728
1729	// if there's room, add the subzone to this zone
1730	if(nPos<MAX_SUBZONEPERZONE)
1731	{
1732	m_nZone[nZone][nPos]=nSubZone ;
1733
1734	// limits used for cutting up lights (not useful for other boundary stuff, check subzones instead)
1735	if(m_pSubZones[nSubZone].Min[0]<m_ZoneBoundary[nZone].Min[0])
1736	m_ZoneBoundary[nZone].Min[0]= m_pSubZones[nSubZone].Min[0] ;
1737	if(m_pSubZones[nSubZone].Min[1]<m_ZoneBoundary[nZone].Min[1])
1738	m_ZoneBoundary[nZone].Min[1]= m_pSubZones[nSubZone].Min[1] ;
1739	if(m_pSubZones[nSubZone].Min[2]<m_ZoneBoundary[nZone].Min[2])
1740	m_ZoneBoundary[nZone].Min[2]= m_pSubZones[nSubZone].Min[2] ;
1741
1742	if(m_pSubZones[nSubZone].Max[0]>m_ZoneBoundary[nZone].Max[0])
1743	m_ZoneBoundary[nZone].Max[0]= m_pSubZones[nSubZone].Max[0] ;
1744	if(m_pSubZones[nSubZone].Max[1]>m_ZoneBoundary[nZone].Max[1])
1745	m_ZoneBoundary[nZone].Max[1]= m_pSubZones[nSubZone].Max[1] ;
1746	if(m_pSubZones[nSubZone].Max[2]>m_ZoneBoundary[nZone].Max[2])
1747	m_ZoneBoundary[nZone].Max[2]= m_pSubZones[nSubZone].Max[2] ;
1748
1749	m_nZone[nZone][INDEX_SUBZONECOUNT]++ ;
1750	}
1751
1752
1753	}
1754
1755
1756	}
1757
1758
1759	// work out what zone each triangle is in.
1760	// if it is in more than one, cut it up into smaller triangles that are only in one zone each.
1761	int Q3Map::AssignTrianglesToZones(void)
1762	{
1763	int nCurrentTriangle=0 ;
1764	// int nZone=0 ;
1765
1766
1767	/*
1768	char chMessage[1024] ;
1769	float flPos[3] ;
1770	int nTri=0 ;
1771	float flVert[3][3] ;
1772
1773
1774	for(nTri=0 ; nTri<m_nTriangleMax ; nTri++)
1775	{
1776	flVert[0][0]=m_pVertex[ m_pTriangle[nTri].VIndex[0] ].position[0] ;
1777	flVert[0][1]=m_pVertex[ m_pTriangle[nTri].VIndex[0] ].position[1] ;
1778	flVert[0][2]=m_pVertex[ m_pTriangle[nTri].VIndex[0] ].position[2] ;
1779
1780	flVert[1][0]=m_pVertex[ m_pTriangle[nTri].VIndex[1] ].position[0] ;
1781	flVert[1][1]=m_pVertex[ m_pTriangle[nTri].VIndex[1] ].position[1] ;
1782	flVert[1][2]=m_pVertex[ m_pTriangle[nTri].VIndex[1] ].position[2] ;
1783
1784	flVert[2][0]=m_pVertex[ m_pTriangle[nTri].VIndex[2] ].position[0] ;
1785	flVert[2][1]=m_pVertex[ m_pTriangle[nTri].VIndex[2] ].position[1] ;
1786	flVert[2][2]=m_pVertex[ m_pTriangle[nTri].VIndex[2] ].position[2] ;
1787
1788
1789	flPos[0]=(flVert[0][0]+flVert[1][0]+flVert[2][0])/3.0f ;
1790	flPos[1]=(flVert[0][1]+flVert[1][1]+flVert[2][1])/3.0f ;
1791	flPos[2]=(flVert[0][2]+flVert[1][2]+flVert[2][2])/3.0f ;
1792
1793	nZone=0 ;
1794	while((nZone<m_iNumSubZones) && !PointInZone(flPos, nZone))
1795	nZone++ ;
1796
1797
1798
1799
1800	}
1801	*/
1802
1803
1804
1805	for(nCurrentTriangle=0 ; nCurrentTriangle<m_nTriangleMax ; nCurrentTriangle++)
1806	{
1807	if(!SetupTriangleZone(nCurrentTriangle)) return 0 ; // what zone completely contains this triangle, if any
1808
1809	}// end for current triangle
1810
1811	return 1 ;
1812	}
1813
1814	// return the zone this triangle is in, or -1 if it is not entirely contained by any zone
1815	// this is also a convienient spot for us to update Lamp zones when we discover what zones its triangles are in,
1816	// and also a handy place to note if the triangle is a TexLamp or not
1817	// (TexLamp is free form geometry that is bound to a lamp and gets converted to deferred shading lights, allowing us to do fake shadowing)
1818
1819	int Q3Map::FindTriangleZone(int nTriangle)
1820	{
1821	int nZone=0 ;
1822	// int nSubZone=0 ;
1823	int nPos=0 ;
1824	bool bVertInSubZone=false ;
1825	int nVert=0 ;
1826	bool bTriangleInZone=false ;
1827	// int nMaxSubZone=m_iNumSubZones ;
1828	float flVert[6][3] ; // verts 0, 1, 2 are the original triangle corners, verts 3, 4, 5 are interpolated edge points.
1829	// we need the edge points, since it's possible for all the
1830	// triangle verts to be in one L shaped zone but the triangle they form not be in that zone.
1831	// (such as if there's a vert at the corner and two ends of the "L")
1832
1833
1834	flVert[0][0]=m_pVertex[ m_pTriangle[nTriangle].VIndex[0] ].position[0] ;
1835	flVert[0][1]=m_pVertex[ m_pTriangle[nTriangle].VIndex[0] ].position[1] ;
1836	flVert[0][2]=m_pVertex[ m_pTriangle[nTriangle].VIndex[0] ].position[2] ;
1837
1838	flVert[1][0]=m_pVertex[ m_pTriangle[nTriangle].VIndex[1] ].position[0] ;
1839	flVert[1][1]=m_pVertex[ m_pTriangle[nTriangle].VIndex[1] ].position[1] ;
1840	flVert[1][2]=m_pVertex[ m_pTriangle[nTriangle].VIndex[1] ].position[2] ;
1841
1842	flVert[2][0]=m_pVertex[ m_pTriangle[nTriangle].VIndex[2] ].position[0] ;
1843	flVert[2][1]=m_pVertex[ m_pTriangle[nTriangle].VIndex[2] ].position[1] ;
1844	flVert[2][2]=m_pVertex[ m_pTriangle[nTriangle].VIndex[2] ].position[2] ;
1845
1846	flVert[3][0]=(flVert[0][0]+flVert[1][0])/2.0f ;
1847	flVert[3][1]=(flVert[0][1]+flVert[1][1])/2.0f ;
1848	flVert[3][2]=(flVert[0][2]+flVert[1][2])/2.0f ;
1849
1850	flVert[4][0]=(flVert[1][0]+flVert[2][0])/2.0f ;
1851	flVert[4][1]=(flVert[1][1]+flVert[2][1])/2.0f ;
1852	flVert[4][2]=(flVert[1][2]+flVert[2][2])/2.0f ;
1853
1854	flVert[5][0]=(flVert[2][0]+flVert[0][0])/2.0f ;
1855	flVert[5][1]=(flVert[2][1]+flVert[0][1])/2.0f ;
1856	flVert[5][2]=(flVert[2][2]+flVert[0][2])/2.0f ;
1857
1858
1859	// scan through the zones until:
1860	// a) we find a zone that completely contains the six vertices
1861	// b) we run out of zones.
1862
1863
1864	do
1865	{
1866	nVert=0 ;
1867	bTriangleInZone=false ;
1868
1869	// scan through the verts until:
1870	// a) we find a vert that isn't in this zone
1871	// b) we run out of verts
1872
1873	do
1874	{
1875
1876	// scan through the zone's subzones until:
1877	// a) we find one that contains this vert,
1878	// b) we hit the subzoneperzone limit,
1879	// c) this zone runs out of subzones
1880
1881	nPos=0 ;
1882	do
1883	{
1884	bVertInSubZone=PointInSubZone(flVert[nVert], m_nZone[nZone][nPos]) ;
1885	}while( !bVertInSubZone && (++nPos<MAX_SUBZONEPERZONE) && (nPos<m_nZone[nZone][INDEX_SUBZONECOUNT])) ;
1886
1887	// if bVertInSubZone is false, we found a vert that isn't in this zone.
1888
1889	}while(bVertInSubZone && (++nVert<6)) ;
1890
1891	if(bVertInSubZone) bTriangleInZone=true ;
1892
1893	}while(!bTriangleInZone && (++nZone<m_nMaxZone)) ;
1894
1895
1896
1897
1898
1899	if(!bTriangleInZone)
1900	return -1 ;
1901	else
1902	{
1903
1904	// if this triangle came from a lamp entity, we note in that lamp entity that it touches this zone
1905	int nLamp=m_pTriangle[nTriangle].Lamp ;
1906	if(nLamp>-1) // if we have a lamp
1907	{
1908
1909
1910	int nSlot=m_pLamp[nLamp].Zone[MAX_ZONEPERLIGHT] ;
1911
1912	if(nSlot<MAX_ZONEPERLIGHT) // if the lamp isn't maxed out on zones
1913	{
1914	// check if we already have this zone recorded
1915	int nCheckSlot=0 ;
1916	int nFoundDuplicate=0 ;
1917	for(nCheckSlot=0 ; nCheckSlot<nSlot ; nCheckSlot++)
1918	if(m_pLamp[nLamp].Zone[nCheckSlot]==nZone)
1919	{
1920	nFoundDuplicate=1 ;
1921	break ;
1922	}
1923
1924	if(!nFoundDuplicate)
1925	{
1926	m_pLamp[nLamp].Zone[nSlot]=nZone ; // write the zone into this slot
1927	m_pLamp[nLamp].Zone[MAX_ZONEPERLIGHT]++ ; // note that we have one more zone
1928	}
1929
1930	}
1931	}
1932
1933
1934	// if this triangle is a TexLamp triangle (free form deferred lighting shapes)
1935	// then we remember this, in order to make assigning it to a lamp faster
1936	int nTexture=m_pTriangle[nTriangle].Texture ;
1937	if((nTexture==m_nBZN_LightNode0) \|\| (nTexture==m_nBZN_LightNode1) \|\| (nTexture==m_nBZN_LightNode2) \|\| (nTexture==m_nBZN_LightNode3))
1938	if(!AddTexLamp(nTriangle))
1939	return ADDTEXLAMP_FAIL ; //if we failed to note the texlamp (probably out of memory), the whole level load will fail.
1940
1941
1942	// finally, return the zone the triangle is in.
1943	return nZone ;
1944	}
1945	}
1946
1947
1948
1949	// work out what zone a triangle is in, cut it up if it's in more than one.
1950	int Q3Map::SetupTriangleZone(int nTriangle)
1951	{
1952
1953
1954	int nZone=0 ;
1955
1956	nZone=FindTriangleZone(nTriangle) ;
1957
1958	if(nZone==ADDTEXLAMP_FAIL)
1959	return 0 ;
1960
1961
1962	if(nZone!=-1) // triangle was completely in a zone
1963	m_pTriangle[nTriangle].Zone=nZone ;
1964	else
1965	{
1966	// This triangle is in more than one zone. (Or no subzone at all)
1967	// we chop it up along the edges of every subzone it is in (regardless of whether they are a common zone or not)
1968	// so that the resulting triangles will all be in just one subzone, and therefore in only one zone.
1969	// this might produce a few extra triangles more than we strictly need, since some will both be in the same zone,
1970	// but it is simple and the extra triangles are trivial in number.
1971
1972	// As we go to each new cut plane, it must be applied progressively to all newly created triangles too.
1973
1974	int nInitialTrianglePos=m_nTriangleMax ; // where we start adding new triangles
1975
1976	int nTriLoop=0 ;
1977	int nTriangleToCut=0 ;
1978	int nMaxTriangle=0 ;
1979	int nSide=0 ;
1980	int nAxis=0 ;
1981	float flCutPos=0.0f ;
1982	int nSubZone=0 ;
1983	int nMaxSubZone=m_iNumSubZones ;
1984	int nVert=0 ;
1985	float flVert[6][3] ; // verts 0, 1, 2 are the original triangle corners, verts 3, 4, 5 are interpolated edge points.
1986	// we need the edge points, since it's possible for all the
1987	// triangle verts to be in one L shaped zone but the triangle they form not be in that zone.
1988	// (such as if there's a vert at the corner and two ends of the "L")
1989
1990
1991	flVert[0][0]=m_pVertex[ m_pTriangle[nTriangle].VIndex[0] ].position[0] ;
1992	flVert[0][1]=m_pVertex[ m_pTriangle[nTriangle].VIndex[0] ].position[1] ;
1993	flVert[0][2]=m_pVertex[ m_pTriangle[nTriangle].VIndex[0] ].position[2] ;
1994
1995	flVert[1][0]=m_pVertex[ m_pTriangle[nTriangle].VIndex[1] ].position[0] ;
1996	flVert[1][1]=m_pVertex[ m_pTriangle[nTriangle].VIndex[1] ].position[1] ;
1997	flVert[1][2]=m_pVertex[ m_pTriangle[nTriangle].VIndex[1] ].position[2] ;
1998
1999	flVert[2][0]=m_pVertex[ m_pTriangle[nTriangle].VIndex[2] ].position[0] ;
2000	flVert[2][1]=m_pVertex[ m_pTriangle[nTriangle].VIndex[2] ].position[1] ;
2001	flVert[2][2]=m_pVertex[ m_pTriangle[nTriangle].VIndex[2] ].position[2] ;
2002
2003	flVert[3][0]=(flVert[0][0]+flVert[1][0])/2.0f ;
2004	flVert[3][1]=(flVert[0][1]+flVert[1][1])/2.0f ;
2005	flVert[3][2]=(flVert[0][2]+flVert[1][2])/2.0f ;
2006
2007	flVert[4][0]=(flVert[1][0]+flVert[2][0])/2.0f ;
2008	flVert[4][1]=(flVert[1][1]+flVert[2][1])/2.0f ;
2009	flVert[4][2]=(flVert[1][2]+flVert[2][2])/2.0f ;
2010
2011	flVert[5][0]=(flVert[2][0]+flVert[0][0])/2.0f ;
2012	flVert[5][1]=(flVert[2][1]+flVert[0][1])/2.0f ;
2013	flVert[5][2]=(flVert[2][2]+flVert[0][2])/2.0f ;
2014
2015
2016
2017
2018	for(nSubZone=0 ; nSubZone<nMaxSubZone ; nSubZone++)
2019	{
2020	// are any of our original verts in this subzone?
2021
2022	nVert=0 ;
2023	while( !PointInSubZone(flVert[nVert], nSubZone) && (++nVert<6)) ;
2024
2025	if(nVert<6) // one of the verts must have been in this subzone.
2026	{
2027	// cutup all triangles by the sides of this subzone.
2028	// we'll need to cut more and more triangles as this progresses. (or at least test if they need to be cut)
2029	for(nSide=0 ; nSide<6 ; nSide++)
2030	{
2031	switch(nSide)
2032	{
2033	case 0: nAxis=AXIS_X ; flCutPos=m_pSubZones[nSubZone].Min[0] ; break ;
2034	case 1: nAxis=AXIS_X ; flCutPos=m_pSubZones[nSubZone].Max[0] ; break ;
2035	case 2: nAxis=AXIS_Y ; flCutPos=m_pSubZones[nSubZone].Min[1] ; break ;
2036	case 3: nAxis=AXIS_Y ; flCutPos=m_pSubZones[nSubZone].Max[1] ; break ;
2037	case 4: nAxis=AXIS_Z ; flCutPos=m_pSubZones[nSubZone].Min[2] ; break ;
2038	case 5: nAxis=AXIS_Z ; flCutPos=m_pSubZones[nSubZone].Max[2] ; break ;
2039	}
2040
2041
2042	nMaxTriangle=m_nTriangleMax-nInitialTrianglePos ; // how may new triangles have been created since we first started cutting the original.
2043
2044	for(nTriLoop=-1 ; nTriLoop<nMaxTriangle ; nTriLoop++)
2045	{
2046	// work out if we are cutting up the original triangle or one of the newly created ones.
2047	if(nTriLoop==-1)
2048	nTriangleToCut=nTriangle ; // the original triangle, perhaps heavily cutup by now.
2049	else
2050	nTriangleToCut=nInitialTrianglePos+nTriLoop ; // one of the newly created triangles.
2051
2052	if(!SplitTriangle(nTriangleToCut, nAxis, flCutPos)) return 0 ; // cut up the triangle, fail if we're out of memory or whatever.
2053
2054
2055	}// end for nTriLoop
2056
2057	}// end cutting by each side of the subzone
2058
2059	}// end if one of the verts was in this subzone
2060
2061	}// end going through all subzones
2062
2063
2064	// now that the triangle is well and truly chopped up, assign it a zone.
2065	// Even though it should be entirely in a subzone by now, there's still the chance that
2066	// it might not be inside any subzone at all. If so, it will be assigned -1 zone and
2067	// exluded from the manualobjects
2068
2069	m_pTriangle[nTriangle].Zone=FindTriangleZone(nTriangle) ;
2070
2071	// we don't have to worry about assigning zones to the newly created triangles,
2072	// they'll get theirs when the AssignTrianglesToZones loop reaches them at the end.
2073
2074	}// end if triangle was in more than one subzone (or no subzone at all)
2075
2076	return 1 ;
2077	}
2078
2079
2080	// cut a triangle along some axial plane, turning into 2 or 3 triangles.
2081	// If the plane doesn't go through the triangle then nothing will happen.
2082	int Q3Map::SplitTriangle(int nTriangle, int nAxis, float flCutPos)
2083	{
2084
2085	triangle_t NewTri ;
2086
2087	// these will stay -1 if no vert is created, else will be index of the new vert
2088	int nABNum=-1 ;
2089	int nBCNum=-1 ;
2090	int nCANum=-1 ;
2091
2092	Q3BspVertex VertA = m_pVertex[ m_pTriangle[ nTriangle ].VIndex[0] ] ;
2093	Q3BspVertex VertB = m_pVertex[ m_pTriangle[ nTriangle ].VIndex[1] ] ;
2094	Q3BspVertex VertC = m_pVertex[ m_pTriangle[ nTriangle ].VIndex[2] ] ;
2095	Q3BspVertex VertexAB ;
2096	Q3BspVertex VertexBC ;
2097	Q3BspVertex VertexCA ;
2098
2099	float flSpan=0.0f ;
2100	float flCutSpan=0.0f ;
2101	float flPercent=0.0f ;
2102
2103	switch(nAxis)
2104	{
2105
2106	////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
2107	case AXIS_X:
2108
2109	////////////////////////////////////////////////////////////////////////////////////////////////
2110	// if VertA is on one side of the cut and VertB is on the other, create VertexAB on the cutline.
2111	if(
2112	((VertA.position[0]<flCutPos-SUBZONE_EPSILON) && (VertB.position[0]>flCutPos+SUBZONE_EPSILON))
2113	\|\|
2114	((VertA.position[0]>flCutPos+SUBZONE_EPSILON) && (VertB.position[0]<flCutPos-SUBZONE_EPSILON))
2115	)
2116	{
2117	// work out the span and percentage
2118	if(VertA.position[0]<flCutPos)
2119	{
2120	flSpan=VertB.position[0]-VertA.position[0] ;
2121	flCutSpan=flCutPos-VertA.position[0] ;
2122	flPercent=1.0f-flCutSpan/flSpan ;
2123	}
2124	else
2125	{
2126	flSpan=VertA.position[0]-VertB.position[0] ;
2127	flCutSpan=flCutPos-VertB.position[0] ;
2128	flPercent=flCutSpan/flSpan ;
2129	}
2130
2131	CreateTweenVert(&VertA, &VertB, flPercent, &VertexAB) ;
2132	nABNum=m_nVertexMax ;
2133	if(!AddVertex(VertexAB))
2134	return 0 ;
2135	}// end if need create VertexAB
2136
2137	////////////////////////////////////////////////////////////////////////////////////////////////
2138	// if VertB is on one side of the cut and VertC is on the other, create VertexBC on the cutline.
2139	if(
2140	((VertB.position[0]<flCutPos-SUBZONE_EPSILON) && (VertC.position[0]>flCutPos+SUBZONE_EPSILON))
2141	\|\|
2142	((VertB.position[0]>flCutPos+SUBZONE_EPSILON) && (VertC.position[0]<flCutPos-SUBZONE_EPSILON))
2143	)
2144	{
2145	// work out the span and percentage
2146	if(VertB.position[0]<flCutPos)
2147	{
2148	flSpan=VertC.position[0]-VertB.position[0] ;
2149	flCutSpan=flCutPos-VertB.position[0] ;
2150	flPercent=1.0f-flCutSpan/flSpan ;
2151	}
2152	else
2153	{
2154	flSpan=VertB.position[0]-VertC.position[0] ;
2155	flCutSpan=flCutPos-VertC.position[0] ;
2156	flPercent=flCutSpan/flSpan ;
2157	}
2158
2159	CreateTweenVert(&VertB, &VertC, flPercent, &VertexBC) ;
2160	nBCNum=m_nVertexMax ;
2161	if(!AddVertex(VertexBC))
2162	return 0 ;
2163
2164	}// end if need create VertexBC
2165
2166	////////////////////////////////////////////////////////////////////////////////////////////////
2167	// if VertC is on one side of the cut and VertA is on the other, create VertexCA on the cutline.
2168	if(
2169	((VertC.position[0]<flCutPos) && (VertA.position[0]>flCutPos))
2170	\|\|
2171	((VertC.position[0]>flCutPos) && (VertA.position[0]<flCutPos))
2172	)
2173	{
2174	// work out the span and percentage
2175	if(VertC.position[0]<flCutPos)
2176	{
2177	flSpan=VertA.position[0]-VertC.position[0] ;
2178	flCutSpan=flCutPos-VertC.position[0] ;
2179	flPercent=1.0f-flCutSpan/flSpan ;
2180	}
2181	else
2182	{
2183	flSpan=VertC.position[0]-VertA.position[0] ;
2184	flCutSpan=flCutPos-VertA.position[0] ;
2185	flPercent=flCutSpan/flSpan ;
2186	}
2187
2188	CreateTweenVert(&VertC, &VertA, flPercent, &VertexCA) ;
2189	nCANum=m_nVertexMax ;
2190	if(!AddVertex(VertexCA))
2191	return 0 ;
2192
2193	}// end if need create VertexCA
2194	break ;
2195
2196
2197	////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
2198	case AXIS_Y:
2199
2200	////////////////////////////////////////////////////////////////////////////////////////////////
2201	// if VertA is on one side of the cut and VertB is on the other, create VertexAB on the cutline.
2202	if(
2203	((VertA.position[1]<flCutPos-SUBZONE_EPSILON) && (VertB.position[1]>flCutPos+SUBZONE_EPSILON))
2204	\|\|
2205	((VertA.position[1]>flCutPos+SUBZONE_EPSILON) && (VertB.position[1]<flCutPos-SUBZONE_EPSILON))
2206	)
2207	{
2208	// work out the span and percentage
2209	if(VertA.position[1]<flCutPos)
2210	{
2211	flSpan=VertB.position[1]-VertA.position[1] ;
2212	flCutSpan=flCutPos-VertA.position[1] ;
2213	flPercent=1.0f-flCutSpan/flSpan ;
2214	}
2215	else
2216	{
2217	flSpan=VertA.position[1]-VertB.position[1] ;
2218	flCutSpan=flCutPos-VertB.position[1] ;
2219	flPercent=flCutSpan/flSpan ;
2220	}
2221
2222	CreateTweenVert(&VertA, &VertB, flPercent, &VertexAB) ;
2223	nABNum=m_nVertexMax ;
2224	if(!AddVertex(VertexAB))
2225	return 0 ;
2226	}// end if need create VertexAB
2227
2228	////////////////////////////////////////////////////////////////////////////////////////////////
2229	// if VertB is on one side of the cut and VertC is on the other, create VertexBC on the cutline.
2230	if(
2231	((VertB.position[1]<flCutPos-SUBZONE_EPSILON) && (VertC.position[1]>flCutPos+SUBZONE_EPSILON))
2232	\|\|
2233	((VertB.position[1]>flCutPos+SUBZONE_EPSILON) && (VertC.position[1]<flCutPos-SUBZONE_EPSILON))
2234	)
2235	{
2236	// work out the span and percentage
2237	if(VertB.position[1]<flCutPos)
2238	{
2239	flSpan=VertC.position[1]-VertB.position[1] ;
2240	flCutSpan=flCutPos-VertB.position[1] ;
2241	flPercent=1.0f-flCutSpan/flSpan ;
2242	}
2243	else
2244	{
2245	flSpan=VertB.position[1]-VertC.position[1] ;
2246	flCutSpan=flCutPos-VertC.position[1] ;
2247	flPercent=flCutSpan/flSpan ;
2248	}
2249
2250	CreateTweenVert(&VertB, &VertC, flPercent, &VertexBC) ;
2251	nBCNum=m_nVertexMax ;
2252	if(!AddVertex(VertexBC))
2253	return 0 ;
2254
2255	}// end if need create VertexBC
2256
2257	////////////////////////////////////////////////////////////////////////////////////////////////
2258	// if VertC is on one side of the cut and VertA is on the other, create VertexCA on the cutline.
2259	if(
2260	((VertC.position[1]<flCutPos) && (VertA.position[1]>flCutPos))
2261	\|\|
2262	((VertC.position[1]>flCutPos) && (VertA.position[1]<flCutPos))
2263	)
2264	{
2265	// work out the span and percentage
2266	if(VertC.position[1]<flCutPos)
2267	{
2268	flSpan=VertA.position[1]-VertC.position[1] ;
2269	flCutSpan=flCutPos-VertC.position[1] ;
2270	flPercent=1.0f-flCutSpan/flSpan ;
2271	}
2272	else
2273	{
2274	flSpan=VertC.position[1]-VertA.position[1] ;
2275	flCutSpan=flCutPos-VertA.position[1] ;
2276	flPercent=flCutSpan/flSpan ;
2277	}
2278
2279	CreateTweenVert(&VertC, &VertA, flPercent, &VertexCA) ;
2280	nCANum=m_nVertexMax ;
2281	if(!AddVertex(VertexCA))
2282	return 0 ;
2283
2284	}// end if need create VertexCA
2285	break ;
2286
2287	////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
2288	case AXIS_Z:
2289
2290	////////////////////////////////////////////////////////////////////////////////////////////////
2291	// if VertA is on one side of the cut and VertB is on the other, create VertexAB on the cutline.
2292	if(
2293	((VertA.position[2]<flCutPos-SUBZONE_EPSILON) && (VertB.position[2]>flCutPos+SUBZONE_EPSILON))
2294	\|\|
2295	((VertA.position[2]>flCutPos+SUBZONE_EPSILON) && (VertB.position[2]<flCutPos-SUBZONE_EPSILON))
2296	)
2297	{
2298	// work out the span and percentage
2299	if(VertA.position[2]<flCutPos)
2300	{
2301	flSpan=VertB.position[2]-VertA.position[2] ;
2302	flCutSpan=flCutPos-VertA.position[2] ;
2303	flPercent=1.0f-flCutSpan/flSpan ;
2304	}
2305	else
2306	{
2307	flSpan=VertA.position[2]-VertB.position[2] ;
2308	flCutSpan=flCutPos-VertB.position[2] ;
2309	flPercent=flCutSpan/flSpan ;
2310	}
2311
2312	CreateTweenVert(&VertA, &VertB, flPercent, &VertexAB) ;
2313	nABNum=m_nVertexMax ;
2314	if(!AddVertex(VertexAB))
2315	return 0 ;
2316	}// end if need create VertexAB
2317
2318	////////////////////////////////////////////////////////////////////////////////////////////////
2319	// if VertB is on one side of the cut and VertC is on the other, create VertexBC on the cutline.
2320	if(
2321	((VertB.position[2]<flCutPos-SUBZONE_EPSILON) && (VertC.position[2]>flCutPos+SUBZONE_EPSILON))
2322	\|\|
2323	((VertB.position[2]>flCutPos+SUBZONE_EPSILON) && (VertC.position[2]<flCutPos-SUBZONE_EPSILON))
2324	)
2325	{
2326	// work out the span and percentage
2327	if(VertB.position[2]<flCutPos)
2328	{
2329	flSpan=VertC.position[2]-VertB.position[2] ;
2330	flCutSpan=flCutPos-VertB.position[2] ;
2331	flPercent=1.0f-flCutSpan/flSpan ;
2332	}
2333	else
2334	{
2335	flSpan=VertB.position[2]-VertC.position[2] ;
2336	flCutSpan=flCutPos-VertC.position[2] ;
2337	flPercent=flCutSpan/flSpan ;
2338	}
2339
2340	CreateTweenVert(&VertB, &VertC, flPercent, &VertexBC) ;
2341	nBCNum=m_nVertexMax ;
2342	if(!AddVertex(VertexBC))
2343	return 0 ;
2344
2345	}// end if need create VertexBC
2346
2347	////////////////////////////////////////////////////////////////////////////////////////////////
2348	// if VertC is on one side of the cut and VertA is on the other, create VertexCA on the cutline.
2349	if(
2350	((VertC.position[2]<flCutPos) && (VertA.position[2]>flCutPos))
2351	\|\|
2352	((VertC.position[2]>flCutPos) && (VertA.position[2]<flCutPos))
2353	)
2354	{
2355	// work out the span and percentage
2356	if(VertC.position[2]<flCutPos)
2357	{
2358	flSpan=VertA.position[2]-VertC.position[2] ;
2359	flCutSpan=flCutPos-VertC.position[2] ;
2360	flPercent=1.0f-flCutSpan/flSpan ;
2361	}
2362	else
2363	{
2364	flSpan=VertC.position[2]-VertA.position[2] ;
2365	flCutSpan=flCutPos-VertA.position[2] ;
2366	flPercent=flCutSpan/flSpan ;
2367	}
2368
2369	CreateTweenVert(&VertC, &VertA, flPercent, &VertexCA) ;
2370	nCANum=m_nVertexMax ;
2371	if(!AddVertex(VertexCA))
2372	return 0 ;
2373
2374	}// end if need create VertexCA
2375	break ;
2376
2377
2378	}
2379
2380	// int nInitialTrianglePos=m_nTriangleMax ; // debugging
2381
2382	// default parameters for all new triangles
2383	NewTri.Texture = m_pTriangle[ nTriangle ].Texture ;
2384	//NewTri.Lightmap = m_pTriangle[ nTriangle ].Lightmap ; // bzn doesn't use lightmaps
2385	NewTri.Lamp = m_pTriangle[ nTriangle ].Lamp ;
2386	NewTri.Group = m_pTriangle[ nTriangle ].Group ;
2387
2388	///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
2389	// now we create new triangles depending on the verts we created.
2390	if((nABNum!=-1) && (nCANum!=-1))
2391	{
2392	// add (AB, B, C)
2393	NewTri.VIndex[0]=nABNum ;
2394	NewTri.VIndex[1]=m_pTriangle[ nTriangle ].VIndex[1] ;
2395	NewTri.VIndex[2]=m_pTriangle[ nTriangle ].VIndex[2] ;
2396	if(!AddTriangle(NewTri)) return 0 ;
2397
2398	// add (C, CA, AB)
2399	NewTri.VIndex[0]=m_pTriangle[ nTriangle ].VIndex[2] ;
2400	NewTri.VIndex[1]=nCANum ;
2401	NewTri.VIndex[2]=nABNum ;
2402	if(!AddTriangle(NewTri)) return 0 ;
2403
2404	// overwrite the original triangle with (A, AB, CA)
2405	NewTri.VIndex[0]=m_pTriangle[ nTriangle ].VIndex[0] ;
2406	NewTri.VIndex[1]=nABNum ;
2407	NewTri.VIndex[2]=nCANum ;
2408	m_pTriangle[ nTriangle ]=NewTri ;
2409	}
2410	else
2411	if((nABNum!=-1) && (nBCNum!=-1))
2412	{
2413	// add (BC, C, A)
2414	NewTri.VIndex[0]=nBCNum ;
2415	NewTri.VIndex[1]=m_pTriangle[ nTriangle ].VIndex[2] ;
2416	NewTri.VIndex[2]=m_pTriangle[ nTriangle ].VIndex[0] ;
2417	if(!AddTriangle(NewTri)) return 0 ;
2418
2419	// add (A, AB, BC)
2420	NewTri.VIndex[0]=m_pTriangle[ nTriangle ].VIndex[0] ;
2421	NewTri.VIndex[1]=nABNum ;
2422	NewTri.VIndex[2]=nBCNum ;
2423	if(!AddTriangle(NewTri)) return 0 ;
2424
2425	// overwrite the original triangle with (B, BC, AB)
2426	NewTri.VIndex[0]=m_pTriangle[ nTriangle ].VIndex[1] ;
2427	NewTri.VIndex[1]=nBCNum ;
2428	NewTri.VIndex[2]=nABNum ;
2429	m_pTriangle[ nTriangle ]=NewTri ;
2430	}
2431	else
2432	if((nBCNum!=-1) && (nCANum!=-1))
2433	{
2434	// add (CA, A, B)
2435	NewTri.VIndex[0]=nCANum ;
2436	NewTri.VIndex[1]=m_pTriangle[ nTriangle ].VIndex[0] ;
2437	NewTri.VIndex[2]=m_pTriangle[ nTriangle ].VIndex[1] ;
2438	if(!AddTriangle(NewTri)) return 0 ;
2439
2440	// add (B, BC, CA)
2441	NewTri.VIndex[0]=m_pTriangle[ nTriangle ].VIndex[1] ;
2442	NewTri.VIndex[1]=nBCNum ;
2443	NewTri.VIndex[2]=nCANum ;
2444	if(!AddTriangle(NewTri)) return 0 ;
2445
2446	// overwrite the original triangle with (C, CA, BC)
2447	NewTri.VIndex[0]=m_pTriangle[ nTriangle ].VIndex[2] ;
2448	NewTri.VIndex[1]=nCANum ;
2449	NewTri.VIndex[2]=nBCNum ;
2450	m_pTriangle[ nTriangle ]=NewTri ;
2451	}
2452	else
2453	if(nABNum!=-1)
2454	{
2455	// add (AB, B, C)
2456	NewTri.VIndex[0]=nABNum ;
2457	NewTri.VIndex[1]=m_pTriangle[ nTriangle ].VIndex[1] ;
2458	NewTri.VIndex[2]=m_pTriangle[ nTriangle ].VIndex[2] ;
2459	if(!AddTriangle(NewTri)) return 0 ;
2460
2461	// overwrite the original triangle with (A, AB, C)
2462	NewTri.VIndex[0]=m_pTriangle[ nTriangle ].VIndex[0] ;
2463	NewTri.VIndex[1]=nABNum ;
2464	NewTri.VIndex[2]=m_pTriangle[ nTriangle ].VIndex[2] ;
2465	m_pTriangle[ nTriangle ]=NewTri ;
2466	}
2467	else
2468	if(nBCNum!=-1)
2469	{
2470	// add (BC, C, A)
2471	NewTri.VIndex[0]=nBCNum ;
2472	NewTri.VIndex[1]=m_pTriangle[ nTriangle ].VIndex[2] ;
2473	NewTri.VIndex[2]=m_pTriangle[ nTriangle ].VIndex[0] ;
2474	if(!AddTriangle(NewTri)) return 0 ;
2475
2476	// overwrite the original triangle with (B, BC, A)
2477	NewTri.VIndex[0]=m_pTriangle[ nTriangle ].VIndex[1] ;
2478	NewTri.VIndex[1]=nBCNum ;
2479	NewTri.VIndex[2]=m_pTriangle[ nTriangle ].VIndex[0] ;
2480	m_pTriangle[ nTriangle ]=NewTri ;
2481	}
2482	else
2483	if(nCANum!=-1)
2484	{
2485	// add (CA, A, B)
2486	NewTri.VIndex[0]=nCANum ;
2487	NewTri.VIndex[1]=m_pTriangle[ nTriangle ].VIndex[0] ;
2488	NewTri.VIndex[2]=m_pTriangle[ nTriangle ].VIndex[1] ;
2489	if(!AddTriangle(NewTri)) return 0 ;
2490
2491	// overwrite the original triangle with (C, CA, B)
2492	NewTri.VIndex[0]=m_pTriangle[ nTriangle ].VIndex[2] ;
2493	NewTri.VIndex[1]=nCANum ;
2494	NewTri.VIndex[2]=m_pTriangle[ nTriangle ].VIndex[1] ;
2495	m_pTriangle[ nTriangle ]=NewTri ;
2496	}
2497
2498	return 1 ;
2499	}
2500
2501	void Q3Map::CreateTweenVert(Q3BspVertex* pVertA, Q3BspVertex* pVertB, float flPercent0, Q3BspVertex* pVertexAB)
2502	{
2503	float flPercent1=1.0f-flPercent0 ;
2504
2505	pVertexAB->color[0]=(unsigned char)(flPercent0pVertA->color[0] + flPercent1pVertB->color[0]) ;
2506	pVertexAB->color[1]=(unsigned char)(flPercent0pVertA->color[1] + flPercent1pVertB->color[1]) ;
2507	pVertexAB->color[2]=(unsigned char)(flPercent0pVertA->color[2] + flPercent1pVertB->color[2]) ;
2508	pVertexAB->color[3]=(unsigned char)(flPercent0pVertA->color[3] + flPercent1pVertB->color[3]) ;
2509
2510	pVertexAB->position[0]=flPercent0pVertA->position[0] + flPercent1pVertB->position[0] ;
2511	pVertexAB->position[1]=flPercent0pVertA->position[1] + flPercent1pVertB->position[1] ;
2512	pVertexAB->position[2]=flPercent0pVertA->position[2] + flPercent1pVertB->position[2] ;
2513
2514	pVertexAB->texcoord[0][0]=flPercent0pVertA->texcoord[0][0] + flPercent1pVertB->texcoord[0][0] ;
2515	pVertexAB->texcoord[0][1]=flPercent0pVertA->texcoord[0][1] + flPercent1pVertB->texcoord[0][1] ;
2516	pVertexAB->texcoord[1][0]=flPercent0pVertA->texcoord[1][0] + flPercent1pVertB->texcoord[1][0] ;
2517	pVertexAB->texcoord[1][1]=flPercent0pVertA->texcoord[1][1] + flPercent1pVertB->texcoord[1][1] ;
2518
2519	pVertexAB->normal[0]=flPercent0pVertA->normal[0] + flPercent1pVertB->normal[0] ;
2520	pVertexAB->normal[1]=flPercent0pVertA->normal[1] + flPercent1pVertB->normal[1] ;
2521	pVertexAB->normal[2]=flPercent0pVertA->normal[2] + flPercent1pVertB->normal[2] ;
2522	// normalize
2523	float flLen=sqrt(pVertexAB->normal[0]pVertexAB->normal[0] + pVertexAB->normal[1]pVertexAB->normal[1] + pVertexAB->normal[2]*pVertexAB->normal[2]) ;
2524	if(flLen!=0.0f) // don't divide by zero... but normal is messed up.
2525	{
2526	pVertexAB->normal[0]/=flLen ;
2527	pVertexAB->normal[1]/=flLen ;
2528	pVertexAB->normal[2]/=flLen ;
2529	}
2530	else
2531	{
2532	// default a messed up normal to point upward
2533	pVertexAB->normal[0]=0.0f ;
2534	pVertexAB->normal[1]=1.0f ;
2535	pVertexAB->normal[2]=0.0f ;
2536	}
2537	}
2538
2539	// returns the next subzone a point is in after the start subzone, or -1 if there are no more subzones
2540	int Q3Map::GetNextSubZone(float *flPoint, int nStart, int nMax)
2541	{
2542	while(++nStart<nMax)
2543	if(PointInSubZone(flPoint, nStart))
2544	break ;
2545
2546	if(nStart==nMax)
2547	return -1 ;
2548	else
2549	return nStart ;
2550	}
2551
2552	// returns true if a point is in a subzone.
2553	bool Q3Map::PointInSubZone(float *flPoint, int nSubZone)
2554	{
2555	if(
2556	(flPoint[0]>=m_pSubZones[nSubZone].Min[0]-SUBZONE_EPSILON) && (flPoint[0]<=m_pSubZones[nSubZone].Max[0]+SUBZONE_EPSILON)
2557	&&(flPoint[1]>=m_pSubZones[nSubZone].Min[1]-SUBZONE_EPSILON) && (flPoint[1]<=m_pSubZones[nSubZone].Max[1]+SUBZONE_EPSILON)
2558	&&(flPoint[2]>=m_pSubZones[nSubZone].Min[2]-SUBZONE_EPSILON) && (flPoint[2]<=m_pSubZones[nSubZone].Max[2]+SUBZONE_EPSILON)
2559	)
2560	return true ;
2561
2562	return false ;
2563	}
2564
2565	// returns true if a point is in a zone.
2566	bool Q3Map::PointInZone(float *flPos, int nZone)
2567	{
2568	int nMaxSubZone=m_nZone[nZone][INDEX_SUBZONECOUNT] ;
2569
2570	for(int nSubZoneIndex=0 ; nSubZoneIndex<nMaxSubZone ; nSubZoneIndex++)
2571	if(PointInSubZone(flPos, m_nZone[nZone][nSubZoneIndex]))
2572	return true ;
2573
2574	return false ;
2575	}
2576
2577	// returns true if an axis aligned bounding box touches a subzone.
2578	bool Q3Map::AABBTouchesSubZone(float flPointMin, float flPointMax, int nSubZone)
2579	{
2580	// if test AABB overlaps the subzone AABB
2581	if(
2582	(m_pSubZones[nSubZone].Min[0]<flPointMax[0]) && (m_pSubZones[nSubZone].Max[0]>flPointMin[0])
2583	&& (m_pSubZones[nSubZone].Min[1]<flPointMax[1]) && (m_pSubZones[nSubZone].Max[1]>flPointMin[1])
2584	&& (m_pSubZones[nSubZone].Min[2]<flPointMax[2]) && (m_pSubZones[nSubZone].Max[2]>flPointMin[2])
2585	)
2586	return true ;
2587
2588	return false ;
2589	}
2590
2591	// returns true if an axis aligned bounding box touches a zone.
2592	bool Q3Map::AABBTouchesZone(float flPosMin, float flPosMax, int nZone)
2593	{
2594	int nMaxSubZone=m_nZone[nZone][INDEX_SUBZONECOUNT] ;
2595
2596	for(int nSubZoneIndex=0 ; nSubZoneIndex<nMaxSubZone ; nSubZoneIndex++)
2597	if(AABBTouchesSubZone(flPosMin, flPosMax, m_nZone[nZone][nSubZoneIndex]))
2598	return true ;
2599
2600	return false ;
2601	}
2602
2603	// take the faces from the BSP and add them to our list of triangles.
2604	int Q3Map::ConvertFacesToTriangles(void)
2605	{
2606	int nFaceIndex = 0 ;
2607
2608	// int nVertex=0 ;
2609	// int nVertexMax=0 ;
2610	int nTriangle=0 ;
2611	int nTriangleMax=0 ;
2612
2613	// float flPosX=0.0f ;
2614	// float flPosY=0.0f ;
2615	// float flPosZ=0.0f ;
2616	// float flNormX=0.0f ;
2617	// float flNormY=0.0f ;
2618	// float flNormZ=0.0f ;
2619	// float flTexU=0.0f ;
2620	// float flTexV=0.0f ;
2621	int nMeshVert=0 ;
2622	// int nMeshVertA=0 ;
2623	// int nMeshVertB=0 ;
2624	// int nMeshVertC=0 ;
2625
2626	// Q3BspVertex *vertices = m_pVertices ;
2627	int *meshverts = m_pMeshVerts ;
2628
2629	QVECTOR junk ;
2630	junk[0]=0.0f ;
2631	junk[1]=0.0f ;
2632	junk[2]=0.0f ;
2633
2634
2635	nFaceIndex = 0 ;
2636	while(nFaceIndex<m_iNumFaces)
2637	{
2638
2639	switch (m_BspFaces[nFaceIndex].type)
2640	{
2641	case MESH:
2642	case POLYGON:
2643
2644	nTriangleMax=m_BspFaces[nFaceIndex].n_triangles ;
2645	nMeshVert=m_BspFaces[nFaceIndex].meshvert ;
2646
2647	for(nTriangle=0 ; nTriangle<nTriangleMax ; nTriangle++)
2648	{
2649
2650	// if we are out of memory, grow it. If we can't grow it, fail
2651	if(m_nTriangleMax>=m_nTriangleLimit)
2652	if(!ExpandTriangleMemory())
2653	return 0 ;
2654
2655
2656
2657	m_pTriangle[ m_nTriangleMax ].Texture= m_BspFaces[nFaceIndex].texture ;
2658	//m_pTriangle[ m_nTriangleMax ].Lightmap= m_BspFaces[nFaceIndex].lm_index ; // bzn doesn't use lightmaps
2659	m_pTriangle[ m_nTriangleMax ].VIndex[0]= meshverts[ nMeshVert++ ]+m_BspFaces[nFaceIndex].vertex ;
2660	m_pTriangle[ m_nTriangleMax ].VIndex[1]= meshverts[ nMeshVert++ ]+m_BspFaces[nFaceIndex].vertex ;
2661	m_pTriangle[ m_nTriangleMax ].VIndex[2]= meshverts[ nMeshVert++ ]+m_BspFaces[nFaceIndex].vertex ;
2662
2663	m_pTriangle[ m_nTriangleMax ].Lamp=-1 ; // assume it didn't come from a lamp, this will be updated later
2664
2665	m_pTriangle[ m_nTriangleMax ].Group=m_nGroup ; // increment group number.
2666
2667	m_nTriangleMax++ ;
2668	}// end for nTriangle
2669	m_nGroup++ ; // increment group. Every face is a new group.
2670
2671	break ;
2672
2673	}// end switch
2674
2675	nFaceIndex++;
2676	} // end while
2677
2678	return 1 ;
2679
2680	}
2681
2682
2683	// convert the patch info from the BSP into bezier curved triangle meshes and add to our triangle list.
2684	int Q3Map::ConvertPatchesToTriangles(void)
2685	{
2686
2687	// float flPosX=0.0f ;
2688	// float flPosY=0.0f ;
2689	// float flPosZ=0.0f ;
2690	// float flNormX=0.0f ;
2691	// float flNormY=0.0f ;
2692	// float flNormZ=0.0f ;
2693	// float flTexU=0.0f ;
2694	// float flTexV=0.0f ;
2695	// int nMeshVert=0 ;
2696	int nMeshVertA=0 ;
2697	int nMeshVertB=0 ;
2698	int nMeshVertC=0 ;
2699
2700
2701	int nTriPerRow=0 ;
2702	int nRow=0 ;
2703
2704	int nFirstVertex=m_nVertexMax ;
2705
2706	int nVertCount=nFirstVertex ;
2707	// int nPatchCount=0 ;
2708
2709	int* pIndexBuffer=NULL ;
2710
2711	Q3BspVertex NewVert ;
2712
2713
2714
2715
2716	int nCount=0 ;
2717	int nCountB=0 ;
2718
2719
2720
2721
2722	int indexBufferindex = 0;
2723
2724	int vertexBufferindex = 0;
2725
2726	for (int faceIndex=0; faceIndex < m_iNumFaces; faceIndex++)
2727	{
2728
2729	nCount++ ;
2730	if(nCount==1)
2731	{
2732	nCountB+=nCount ;
2733	nCount=0 ;
2734	}
2735
2736
2737	if (m_BspFaces[faceIndex].type == PATCH)
2738	{
2739	Q3BspPatch *patch = m_BspFaces[faceIndex].patch;
2740
2741	if (patch != NULL)
2742	{
2743
2744	for (int bezierIndex=0; bezierIndex < patch->size; bezierIndex++)
2745	{
2746	indexBufferindex = 0;
2747	pIndexBuffer = new int[patch->bezier[bezierIndex].mNumIndex] ;
2748	if(pIndexBuffer==NULL) return 0 ; // ran out of memory
2749
2750
2751	for (int index=0; index < patch->bezier[bezierIndex].mNumIndex; index++)
2752	{
2753	pIndexBuffer[indexBufferindex] = patch->bezier[bezierIndex].mIndex[index];
2754	indexBufferindex++;
2755	}
2756
2757	for (int vertex=0; vertex < patch->bezier[bezierIndex].mNumVertex; vertex++)
2758	{
2759
2760	BspVertex *bspVertex = &patch->bezier[bezierIndex].mVertex[vertex];
2761
2762	NewVert.position[0]=bspVertex->mPosition[0] ;
2763	NewVert.position[1]=bspVertex->mPosition[1] ;
2764	NewVert.position[2]=bspVertex->mPosition[2] ;
2765	NewVert.normal[0]=bspVertex->mNormal[0] ;
2766	NewVert.normal[1]=bspVertex->mNormal[1] ;
2767	NewVert.normal[2]=bspVertex->mNormal[2] ;
2768	NewVert.texcoord[0][0]=bspVertex->mTexcoord[0][0] ;
2769	NewVert.texcoord[0][1]=bspVertex->mTexcoord[0][1] ;
2770
2771
2772
2773	// if we are out of memory, grow it. If we can't grow it, fail
2774	if(m_nVertexMax>=m_nVertexLimit)
2775	if(!ExpandVertexMemory())
2776	{
2777	if(pIndexBuffer) DELETE_ARRAY( pIndexBuffer ) ;
2778	return 0 ;
2779	}
2780
2781
2782	if(!AddVertex(NewVert))
2783	{
2784	if(pIndexBuffer) DELETE_ARRAY( pIndexBuffer ) ;
2785	return 0 ;
2786	}
2787
2788	nVertCount++ ;
2789	vertexBufferindex++;
2790
2791	}// end for vertex
2792
2793
2794	for (int j=0; j < 5; j++)
2795	{
2796	nRow=m_BspFaces[faceIndex].patch->bezier[bezierIndex].mRowIndex[j] ;
2797	nTriPerRow=m_BspFaces[faceIndex].patch->bezier[bezierIndex].mTrianglesPerRow[j] ;
2798
2799	nMeshVertA=pIndexBuffer[nRow+0]+nFirstVertex ;
2800	nMeshVertB=pIndexBuffer[nRow+1]+nFirstVertex ;
2801
2802	for(int nVert=2 ; nVert<nTriPerRow ; nVert++)
2803	{
2804	// if we are out of memory, grow it. If we can't grow it, fail
2805	if(m_nTriangleMax>=m_nTriangleLimit)
2806	if(!ExpandTriangleMemory())
2807	{
2808	if(pIndexBuffer) DELETE_ARRAY( pIndexBuffer ) ;
2809	return 0 ;
2810	}
2811
2812	m_pTriangle[ m_nTriangleMax ].Texture= m_BspFaces[faceIndex].texture ;
2813	//m_pTriangle[ m_nTriangleMax ].Lightmap= m_BspFaces[faceIndex].lm_index ; // bzn doesn't use lightmaps
2814
2815
2816
2817	nMeshVertC=pIndexBuffer[nRow+nVert]+nFirstVertex ;
2818
2819
2820	if(nVert&1)
2821	{
2822	m_pTriangle[ m_nTriangleMax ].VIndex[0]= nMeshVertB ;
2823	m_pTriangle[ m_nTriangleMax ].VIndex[1]= nMeshVertA ;
2824	m_pTriangle[ m_nTriangleMax ].VIndex[2]= nMeshVertC ;
2825	}
2826	else
2827	{
2828	m_pTriangle[ m_nTriangleMax ].VIndex[0]= nMeshVertA ;
2829	m_pTriangle[ m_nTriangleMax ].VIndex[1]= nMeshVertB ;
2830	m_pTriangle[ m_nTriangleMax ].VIndex[2]= nMeshVertC ;
2831	}
2832
2833	m_pTriangle[ m_nTriangleMax ].Lamp=-1 ; // assume it didn't come from a lamp, this will be updated later
2834
2835
2836	m_pTriangle[ m_nTriangleMax ].Group=m_nGroup ;
2837
2838
2839	m_nTriangleMax++ ;
2840
2841	nMeshVertA=nMeshVertB ;
2842	nMeshVertB=nMeshVertC ;
2843	}
2844
2845
2846	}
2847
2848
2849	// finished with the index buffer
2850	if(pIndexBuffer)
2851	DELETE_ARRAY( pIndexBuffer ) ;
2852
2853	nFirstVertex=nVertCount ;
2854	}// end for bezier index
2855
2856
2857	m_nGroup++ ; // increment the group number. Each patch is treated as a single group.
2858
2859	}// end if patch not null
2860	}// end if patch
2861	}// end for faceIndex
2862
2863	return 1 ;
2864
2865	}
2866
2867	//''
2868	// some triangles might be designed to be deferred shading shapes inside of Lamp entities.
2869	// If so, change their material to the deferred shading configuration for that lamp entity.
2870	int Q3Map::ConvertTexLampsToLampTriangles(void)
2871	{
2872
2873	float flCentreX=0.0f ;
2874	float flCentreY=0.0f ;
2875	float flCentreZ=0.0f ;
2876
2877	// float flMinX=0.0f ;
2878	// float flMinY=0.0f ;
2879	// float flMinZ=0.0f ;
2880	// float flMaxX=0.0f ;
2881	// float flMaxY=0.0f ;
2882	// float flMaxZ=0.0f ;
2883
2884	// float flNormX=0.0f ;
2885	// float flNormY=0.0f ;
2886	// float flNormZ=0.0f ;
2887	// float flTexU=0.0f ;
2888	// float flTexV=0.0f ;
2889
2890	float flColR=0.0f ;
2891	float flColG=0.0f ;
2892	float flColB=0.0f ;
2893
2894	float flBrightness=0.0f ;
2895
2896	int nLamp=0 ;
2897	int nTriangle=0 ;
2898	int nTexLampListPos=0 ;
2899	int nLightNode=0 ;
2900	int nTexture=0 ;
2901	int nZone=0 ;
2902	// int nLampZone=0 ;
2903	// int nMaxLampZone=0 ;
2904	// int nZoneMatch=0 ;
2905
2906
2907	for(nTexLampListPos=0 ; nTexLampListPos<m_nTexLampMax ; nTexLampListPos++)
2908	{
2909	nTriangle=m_pTexLamp[nTexLampListPos] ;
2910
2911	nZone=m_pTriangle[nTriangle].Zone ;
2912
2913	nTexture=m_pTriangle[nTriangle].Texture ;
2914
2915	if(nTexture==m_nBZN_LightNode0)
2916	nLightNode=0 ;
2917	else
2918	if(nTexture==m_nBZN_LightNode1)
2919	nLightNode=1 ;
2920	else
2921	if(nTexture==m_nBZN_LightNode2)
2922	nLightNode=2 ;
2923	else
2924	if(nTexture==m_nBZN_LightNode3)
2925	nLightNode=3 ;
2926	else
2927	return 0 ; // didn't match any lightnode, something went wrong.
2928
2929
2930	// scan through all the lamps, finding the ones that touch the same zone as this triangle and that have the same lightnode number
2931	for(nLamp=0 ; nLamp<m_nLampMax ; nLamp++)
2932	{
2933	// skip if the lightnode doesn't match
2934	if(m_pLamp[nLamp].LightNode!=nLightNode)
2935	continue ;
2936
2937
2938	/*
2939	// lightnode matches, check if lamp touches the same zone (lamps can touch multiple zones so we have to check them all)
2940	nZoneMatch=0 ;
2941	nMaxLampZone=m_pLamp[nLamp].Zone[MAX_ZONEPERLIGHT] ;
2942	for(nLampZone=0 ; nLampZone<nMaxLampZone ; nLampZone++)
2943	{
2944	if(m_pLamp[nLamp].Zone[nLampZone]==nZone)
2945	{
2946	nZoneMatch=1 ;
2947	break ;
2948	}
2949	}
2950
2951
2952	// if the zone didn't match, continue
2953	if(!nZoneMatch) continue ;
2954
2955	*/
2956
2957
2958
2959	// check if all three vertices of this triangle fall within the bounds of this lamp
2960	if(
2961	// first vert
2962	(m_pVertex[ m_pTriangle[nTriangle].VIndex[0] ].position[0]>=m_pLamp[nLamp].Min[0])
2963	&&(m_pVertex[ m_pTriangle[nTriangle].VIndex[0] ].position[0]<=m_pLamp[nLamp].Max[0])
2964	&&(m_pVertex[ m_pTriangle[nTriangle].VIndex[0] ].position[1]>=m_pLamp[nLamp].Min[1])
2965	&&(m_pVertex[ m_pTriangle[nTriangle].VIndex[0] ].position[1]<=m_pLamp[nLamp].Max[1])
2966	&&(m_pVertex[ m_pTriangle[nTriangle].VIndex[0] ].position[2]>=m_pLamp[nLamp].Min[2])
2967	&&(m_pVertex[ m_pTriangle[nTriangle].VIndex[0] ].position[2]<=m_pLamp[nLamp].Max[2])
2968	&&
2969	// second vert
2970	(m_pVertex[ m_pTriangle[nTriangle].VIndex[1] ].position[0]>=m_pLamp[nLamp].Min[0])
2971	&&(m_pVertex[ m_pTriangle[nTriangle].VIndex[1] ].position[0]<=m_pLamp[nLamp].Max[0])
2972	&&(m_pVertex[ m_pTriangle[nTriangle].VIndex[1] ].position[1]>=m_pLamp[nLamp].Min[1])
2973	&&(m_pVertex[ m_pTriangle[nTriangle].VIndex[1] ].position[1]<=m_pLamp[nLamp].Max[1])
2974	&&(m_pVertex[ m_pTriangle[nTriangle].VIndex[1] ].position[2]>=m_pLamp[nLamp].Min[2])
2975	&&(m_pVertex[ m_pTriangle[nTriangle].VIndex[1] ].position[2]<=m_pLamp[nLamp].Max[2])
2976	&&
2977	// third vert
2978	(m_pVertex[ m_pTriangle[nTriangle].VIndex[2] ].position[0]>=m_pLamp[nLamp].Min[0])
2979	&&(m_pVertex[ m_pTriangle[nTriangle].VIndex[2] ].position[0]<=m_pLamp[nLamp].Max[0])
2980	&&(m_pVertex[ m_pTriangle[nTriangle].VIndex[2] ].position[1]>=m_pLamp[nLamp].Min[1])
2981	&&(m_pVertex[ m_pTriangle[nTriangle].VIndex[2] ].position[1]<=m_pLamp[nLamp].Max[1])
2982	&&(m_pVertex[ m_pTriangle[nTriangle].VIndex[2] ].position[2]>=m_pLamp[nLamp].Min[2])
2983	&&(m_pVertex[ m_pTriangle[nTriangle].VIndex[2] ].position[2]<=m_pLamp[nLamp].Max[2])
2984
2985	)
2986	{
2987
2988
2989	m_pTriangle[nTriangle].Texture=m_pLamp[nLamp].Texture ;
2990	m_pTriangle[nTriangle].Lamp=nLamp ;
2991
2992	flCentreX = m_pLamp[nLamp].Position[0] ;
2993	flCentreY = m_pLamp[nLamp].Position[1] ;
2994	flCentreZ = m_pLamp[nLamp].Position[2] ;
2995	flColR = m_pLamp[nLamp].Colour[0]*255.0f ;
2996	flColG = m_pLamp[nLamp].Colour[1]*255.0f ;
2997	flColB = m_pLamp[nLamp].Colour[2]*255.0f ;
2998	flBrightness= m_pLamp[nLamp].Brightness ;
2999
3000	m_pVertex[ m_pTriangle[nTriangle].VIndex[0] ].texcoord[0][0]=flCentreX ;
3001	m_pVertex[ m_pTriangle[nTriangle].VIndex[0] ].texcoord[0][1]=flCentreY ;
3002	m_pVertex[ m_pTriangle[nTriangle].VIndex[0] ].texcoord[1][0]=flCentreZ ;
3003	m_pVertex[ m_pTriangle[nTriangle].VIndex[0] ].texcoord[1][1]=flBrightness ;
3004	m_pVertex[ m_pTriangle[nTriangle].VIndex[0] ].color[0]=(unsigned char)flColR ;
3005	m_pVertex[ m_pTriangle[nTriangle].VIndex[0] ].color[1]=(unsigned char)flColG ;
3006	m_pVertex[ m_pTriangle[nTriangle].VIndex[0] ].color[2]=(unsigned char)flColB ;
3007
3008	m_pVertex[ m_pTriangle[nTriangle].VIndex[1] ].texcoord[0][0]=flCentreX ;
3009	m_pVertex[ m_pTriangle[nTriangle].VIndex[1] ].texcoord[0][1]=flCentreY ;
3010	m_pVertex[ m_pTriangle[nTriangle].VIndex[1] ].texcoord[1][0]=flCentreZ ;
3011	m_pVertex[ m_pTriangle[nTriangle].VIndex[1] ].texcoord[1][1]=flBrightness ;
3012	m_pVertex[ m_pTriangle[nTriangle].VIndex[1] ].color[0]=(unsigned char)flColR ;
3013	m_pVertex[ m_pTriangle[nTriangle].VIndex[1] ].color[1]=(unsigned char)flColG ;
3014	m_pVertex[ m_pTriangle[nTriangle].VIndex[1] ].color[2]=(unsigned char)flColB ;
3015
3016	m_pVertex[ m_pTriangle[nTriangle].VIndex[2] ].texcoord[0][0]=flCentreX ;
3017	m_pVertex[ m_pTriangle[nTriangle].VIndex[2] ].texcoord[0][1]=flCentreY ;
3018	m_pVertex[ m_pTriangle[nTriangle].VIndex[2] ].texcoord[1][0]=flCentreZ ;
3019	m_pVertex[ m_pTriangle[nTriangle].VIndex[2] ].texcoord[1][1]=flBrightness ;
3020	m_pVertex[ m_pTriangle[nTriangle].VIndex[2] ].color[0]=(unsigned char)flColR ;
3021	m_pVertex[ m_pTriangle[nTriangle].VIndex[2] ].color[1]=(unsigned char)flColG ;
3022	m_pVertex[ m_pTriangle[nTriangle].VIndex[2] ].color[2]=(unsigned char)flColB ;
3023
3024
3025	m_pTriangle[ m_nTriangleMax ].Group=m_nGroup ;
3026
3027
3028	}// end triangle is in bounds of lamp
3029
3030
3031	m_nGroup++ ; // increment group number. Every texture lamp is a group.
3032
3033
3034	}// end for nLamp
3035
3036
3037	}
3038
3039
3040
3041	return 1 ;
3042	}
3043
3044
3045	// convert lamps into boxes. Lamps are deferred shading non-shadowing lights, and are rendered as triangles
3046	// The texture coords are actually the light centre point, the spot the shaders calculate as the source of the lighting,
3047	// and also the brightness
3048	// The triangles created will remember the lamp they came from, via Triangle.Lamp
3049
3050	int Q3Map::ConvertLampsToTriangles(void)
3051	{
3052	float flCentreX=0.0f ;
3053	float flCentreY=0.0f ;
3054	float flCentreZ=0.0f ;
3055
3056	float flMinX=0.0f ;
3057	float flMinY=0.0f ;
3058	float flMinZ=0.0f ;
3059	float flMaxX=0.0f ;
3060	float flMaxY=0.0f ;
3061	float flMaxZ=0.0f ;
3062
3063	// float flNormX=0.0f ;
3064	// float flNormY=0.0f ;
3065	// float flNormZ=0.0f ;
3066	// float flTexU=0.0f ;
3067	// float flTexV=0.0f ;
3068
3069	float flColR=0.0f ;
3070	float flColG=0.0f ;
3071	float flColB=0.0f ;
3072
3073	float flBrightness=0.0f ;
3074
3075	int nLamp=0 ;
3076
3077	// lower case = min, upper case = max
3078	Q3BspVertex Vert_xyz ;
3079	Q3BspVertex Vert_Xyz ;
3080	Q3BspVertex Vert_xYz ;
3081	Q3BspVertex Vert_XYz ;
3082	Q3BspVertex Vert_xyZ ;
3083	Q3BspVertex Vert_XyZ ;
3084	Q3BspVertex Vert_xYZ ;
3085	Q3BspVertex Vert_XYZ ;
3086
3087	int n_xyz=0 ;
3088	int n_Xyz=0 ;
3089	int n_xYz=0 ;
3090	int n_XYz=0 ;
3091	int n_xyZ=0 ;
3092	int n_XyZ=0 ;
3093	int n_xYZ=0 ;
3094	int n_XYZ=0 ;
3095
3096	int nFirstVertex=0 ;
3097
3098	triangle_t Triangle ;
3099	ZeroMemory((void*)&Triangle, sizeof(triangle_t)) ;
3100
3101	for(nLamp=0 ; nLamp<m_nLampMax ; nLamp++)
3102	{
3103	if(m_pLamp[nLamp].LightNode>-1) continue ; // lamps that are lightnodes don't add their own triangles. They just exist as information for TexLamps.
3104
3105
3106	flCentreX = m_pLamp[nLamp].Position[0] ;
3107	flCentreY = m_pLamp[nLamp].Position[1] ;
3108	flCentreZ = m_pLamp[nLamp].Position[2] ;
3109
3110	flMinX = m_pLamp[nLamp].Min[0] ;
3111	flMinY = m_pLamp[nLamp].Min[1] ;
3112	flMinZ = m_pLamp[nLamp].Min[2] ;
3113
3114	flMaxX = m_pLamp[nLamp].Max[0] ;
3115	flMaxY = m_pLamp[nLamp].Max[1] ;
3116	flMaxZ = m_pLamp[nLamp].Max[2] ;
3117
3118	flColR = m_pLamp[nLamp].Colour[0]*255.0f ;
3119	flColG = m_pLamp[nLamp].Colour[1]*255.0f ;
3120	flColB = m_pLamp[nLamp].Colour[2]*255.0f ;
3121
3122	flBrightness= m_pLamp[nLamp].Brightness ;
3123
3124	//////////////////////////////////////
3125	// setup our 8 vertices. Normal isn't that important, I just approximate regardless of actual box shape
3126
3127
3128	nFirstVertex=m_nVertexMax ; // we need to remember which vertex is which for defining the triangles
3129
3130	// vertex numbers
3131	n_xyz=nFirstVertex+0 ;
3132	n_Xyz=nFirstVertex+1 ;
3133	n_xYz=nFirstVertex+2 ;
3134	n_XYz=nFirstVertex+3 ;
3135	n_xyZ=nFirstVertex+4 ;
3136	n_XyZ=nFirstVertex+5 ;
3137	n_xYZ=nFirstVertex+6 ;
3138	n_XYZ=nFirstVertex+7 ;
3139
3140
3141	Vert_xyz.position[0]=flMinX ;
3142	Vert_xyz.position[1]=flMinY ;
3143	Vert_xyz.position[2]=flMinZ ;
3144	Vert_xyz.normal[0]=-0.5773502691896 ;
3145	Vert_xyz.normal[1]=-0.5773502691896 ;
3146	Vert_xyz.normal[2]=-0.5773502691896 ;
3147	Vert_xyz.texcoord[0][0]=flCentreX ;
3148	Vert_xyz.texcoord[0][1]=flCentreY ;
3149	Vert_xyz.texcoord[1][0]=flCentreZ ;
3150	Vert_xyz.texcoord[1][1]=flBrightness ;
3151	Vert_xyz.color[0]=(unsigned char)flColR ;
3152	Vert_xyz.color[1]=(unsigned char)flColG ;
3153	Vert_xyz.color[2]=(unsigned char)flColB ;
3154	if(!AddVertex(Vert_xyz)) return 0 ;
3155
3156
3157	Vert_Xyz.position[0]=flMaxX ;
3158	Vert_Xyz.position[1]=flMinY ;
3159	Vert_Xyz.position[2]=flMinZ ;
3160	Vert_Xyz.normal[0]= 0.5773502691896 ;
3161	Vert_Xyz.normal[1]=-0.5773502691896 ;
3162	Vert_Xyz.normal[2]=-0.5773502691896 ;
3163	Vert_Xyz.texcoord[0][0]=flCentreX ;
3164	Vert_Xyz.texcoord[0][1]=flCentreY ;
3165	Vert_Xyz.texcoord[1][0]=flCentreZ ;
3166	Vert_Xyz.texcoord[1][1]=flBrightness ;
3167	Vert_Xyz.color[0]=(unsigned char)flColR ;
3168	Vert_Xyz.color[1]=(unsigned char)flColG ;
3169	Vert_Xyz.color[2]=(unsigned char)flColB ;
3170	if(!AddVertex(Vert_Xyz)) return 0 ;
3171
3172	Vert_xYz.position[0]=flMinX ;
3173	Vert_xYz.position[1]=flMaxY ;
3174	Vert_xYz.position[2]=flMinZ ;
3175	Vert_xYz.normal[0]=-0.5773502691896 ;
3176	Vert_xYz.normal[1]= 0.5773502691896 ;
3177	Vert_xYz.normal[2]=-0.5773502691896 ;
3178	Vert_xYz.texcoord[0][0]=flCentreX ;
3179	Vert_xYz.texcoord[0][1]=flCentreY ;
3180	Vert_xYz.texcoord[1][0]=flCentreZ ;
3181	Vert_xYz.texcoord[1][1]=flBrightness ;
3182	Vert_xYz.color[0]=(unsigned char)flColR ;
3183	Vert_xYz.color[1]=(unsigned char)flColG ;
3184	Vert_xYz.color[2]=(unsigned char)flColB ;
3185	if(!AddVertex(Vert_xYz)) return 0 ;
3186
3187	Vert_XYz.position[0]=flMaxX ;
3188	Vert_XYz.position[1]=flMaxY ;
3189	Vert_XYz.position[2]=flMinZ ;
3190	Vert_XYz.normal[0]= 0.5773502691896 ;
3191	Vert_XYz.normal[1]= 0.5773502691896 ;
3192	Vert_XYz.normal[2]=-0.5773502691896 ;
3193	Vert_XYz.texcoord[0][0]=flCentreX ;
3194	Vert_XYz.texcoord[0][1]=flCentreY ;
3195	Vert_XYz.texcoord[1][0]=flCentreZ ;
3196	Vert_XYz.texcoord[1][1]=flBrightness ;
3197	Vert_XYz.color[0]=(unsigned char)flColR ;
3198	Vert_XYz.color[1]=(unsigned char)flColG ;
3199	Vert_XYz.color[2]=(unsigned char)flColB ;
3200	if(!AddVertex(Vert_XYz)) return 0 ;
3201
3202	//////////////////////////////////////
3203
3204	Vert_xyZ.position[0]=flMinX ;
3205	Vert_xyZ.position[1]=flMinY ;
3206	Vert_xyZ.position[2]=flMaxZ ;
3207	Vert_xyZ.normal[0]=-0.5773502691896 ;
3208	Vert_xyZ.normal[1]=-0.5773502691896 ;
3209	Vert_xyZ.normal[2]= 0.5773502691896 ;
3210	Vert_xyZ.texcoord[0][0]=flCentreX ;
3211	Vert_xyZ.texcoord[0][1]=flCentreY ;
3212	Vert_xyZ.texcoord[1][0]=flCentreZ ;
3213	Vert_xyZ.texcoord[1][1]=flBrightness ;
3214	Vert_xyZ.color[0]=(unsigned char)flColR ;
3215	Vert_xyZ.color[1]=(unsigned char)flColG ;
3216	Vert_xyZ.color[2]=(unsigned char)flColB ;
3217	if(!AddVertex(Vert_xyZ)) return 0 ;
3218
3219	Vert_XyZ.position[0]=flMaxX ;
3220	Vert_XyZ.position[1]=flMinY ;
3221	Vert_XyZ.position[2]=flMaxZ ;
3222	Vert_XyZ.normal[0]= 0.5773502691896 ;
3223	Vert_XyZ.normal[1]=-0.5773502691896 ;
3224	Vert_XyZ.normal[2]= 0.5773502691896 ;
3225	Vert_XyZ.texcoord[0][0]=flCentreX ;
3226	Vert_XyZ.texcoord[0][1]=flCentreY ;
3227	Vert_XyZ.texcoord[1][0]=flCentreZ ;
3228	Vert_XyZ.texcoord[1][1]=flBrightness ;
3229	Vert_XyZ.color[0]=(unsigned char)flColR ;
3230	Vert_XyZ.color[1]=(unsigned char)flColG ;
3231	Vert_XyZ.color[2]=(unsigned char)flColB ;
3232	if(!AddVertex(Vert_XyZ)) return 0 ;
3233
3234	Vert_xYZ.position[0]=flMinX ;
3235	Vert_xYZ.position[1]=flMaxY ;
3236	Vert_xYZ.position[2]=flMaxZ ;
3237	Vert_xYZ.normal[0]=-0.5773502691896 ;
3238	Vert_xYZ.normal[1]= 0.5773502691896 ;
3239	Vert_xYZ.normal[2]= 0.5773502691896 ;
3240	Vert_xYZ.texcoord[0][0]=flCentreX ;
3241	Vert_xYZ.texcoord[0][1]=flCentreY ;
3242	Vert_xYZ.texcoord[1][0]=flCentreZ ;
3243	Vert_xYZ.texcoord[1][1]=flBrightness ;
3244	Vert_xYZ.color[0]=(unsigned char)flColR ;
3245	Vert_xYZ.color[1]=(unsigned char)flColG ;
3246	Vert_xYZ.color[2]=(unsigned char)flColB ;
3247	if(!AddVertex(Vert_xYZ)) return 0 ;
3248
3249	Vert_XYZ.position[0]=flMaxX ;
3250	Vert_XYZ.position[1]=flMaxY ;
3251	Vert_XYZ.position[2]=flMaxZ ;
3252	Vert_XYZ.normal[0]= 0.5773502691896 ;
3253	Vert_XYZ.normal[1]= 0.5773502691896 ;
3254	Vert_XYZ.normal[2]= 0.5773502691896 ;
3255	Vert_XYZ.texcoord[0][0]=flCentreX ;
3256	Vert_XYZ.texcoord[0][1]=flCentreY ;
3257	Vert_XYZ.texcoord[1][0]=flCentreZ ;
3258	Vert_XYZ.texcoord[1][1]=flBrightness ;
3259	Vert_XYZ.color[0]=(unsigned char)flColR ;
3260	Vert_XYZ.color[1]=(unsigned char)flColG ;
3261	Vert_XYZ.color[2]=(unsigned char)flColB ;
3262	if(!AddVertex(Vert_XYZ)) return 0 ;
3263
3264	////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
3265
3266	Triangle.Texture=m_pLamp[nLamp].Texture ;
3267	Triangle.Lamp=nLamp ;
3268	Triangle.Group=m_nGroup ;
3269
3270	/////////////////////////////////////
3271
3272	Triangle.VIndex[2]=n_xyz ;
3273	Triangle.VIndex[1]=n_xyZ ;
3274	Triangle.VIndex[0]=n_xYZ ;
3275	if(!AddTriangle(Triangle)) return 0 ;
3276
3277	Triangle.VIndex[2]=n_xYZ ;
3278	Triangle.VIndex[1]=n_xYz ;
3279	Triangle.VIndex[0]=n_xyz ;
3280	if(!AddTriangle(Triangle)) return 0 ;
3281
3282	/////////////////////////////////////
3283
3284	Triangle.VIndex[0]=n_Xyz ;
3285	Triangle.VIndex[1]=n_XyZ ;
3286	Triangle.VIndex[2]=n_XYZ ;
3287	if(!AddTriangle(Triangle)) return 0 ;
3288
3289	Triangle.VIndex[0]=n_XYZ ;
3290	Triangle.VIndex[1]=n_XYz ;
3291	Triangle.VIndex[2]=n_Xyz ;
3292	if(!AddTriangle(Triangle)) return 0 ;
3293
3294	/////////////////////////////////////
3295
3296	Triangle.VIndex[2]=n_xyz ;
3297	Triangle.VIndex[1]=n_xYz ;
3298	Triangle.VIndex[0]=n_XYz ;
3299	if(!AddTriangle(Triangle)) return 0 ;
3300
3301	Triangle.VIndex[2]=n_XYz ;
3302	Triangle.VIndex[1]=n_Xyz ;
3303	Triangle.VIndex[0]=n_xyz ;
3304	if(!AddTriangle(Triangle)) return 0 ;
3305
3306	/////////////////////////////////////
3307
3308	Triangle.VIndex[0]=n_xyZ ;
3309	Triangle.VIndex[1]=n_xYZ ;
3310	Triangle.VIndex[2]=n_XYZ ;
3311	if(!AddTriangle(Triangle)) return 0 ;
3312
3313	Triangle.VIndex[0]=n_XYZ ;
3314	Triangle.VIndex[1]=n_XyZ ;
3315	Triangle.VIndex[2]=n_xyZ ;
3316	if(!AddTriangle(Triangle)) return 0 ;
3317
3318	/////////////////////////////////////
3319
3320	Triangle.VIndex[0]=n_xyz ;
3321	Triangle.VIndex[1]=n_xyZ ;
3322	Triangle.VIndex[2]=n_XyZ ;
3323	if(!AddTriangle(Triangle)) return 0 ;
3324
3325	Triangle.VIndex[0]=n_XyZ ;
3326	Triangle.VIndex[1]=n_Xyz ;
3327	Triangle.VIndex[2]=n_xyz ;
3328	if(!AddTriangle(Triangle)) return 0 ;
3329
3330	/////////////////////////////////////
3331
3332	Triangle.VIndex[2]=n_xYz ;
3333	Triangle.VIndex[1]=n_xYZ ;
3334	Triangle.VIndex[0]=n_XYZ ;
3335	if(!AddTriangle(Triangle)) return 0 ;
3336
3337	Triangle.VIndex[2]=n_XYZ ;
3338	Triangle.VIndex[1]=n_XYz ;
3339	Triangle.VIndex[0]=n_xYz ;
3340	if(!AddTriangle(Triangle)) return 0 ;
3341
3342	m_nGroup++ ; // increment group once for every lamp
3343	}
3344
3345
3346
3347	return 1 ;
3348	}
3349
3350
3351	int Q3Map::ConvertLampsToGlowTriangles(void)
3352	{
3353	float flCentreX=0.0f ;
3354	float flCentreY=0.0f ;
3355	float flCentreZ=0.0f ;
3356
3357	float flMinX=0.0f ;
3358	float flMinY=0.0f ;
3359	float flMinZ=0.0f ;
3360	float flMaxX=0.0f ;
3361	float flMaxY=0.0f ;
3362	float flMaxZ=0.0f ;
3363
3364	// float flNormX=0.0f ;
3365	// float flNormY=0.0f ;
3366	// float flNormZ=0.0f ;
3367	// float flTexU=0.0f ;
3368	// float flTexV=0.0f ;
3369
3370	float flColR=0.0f ;
3371	float flColG=0.0f ;
3372	float flColB=0.0f ;
3373
3374	float flBrightness=0.0f ;
3375
3376	int nLamp=0 ;
3377
3378
3379	Q3BspVertex Vert_L ;
3380	Q3BspVertex Vert_R ;
3381	Q3BspVertex Vert_F ;
3382	Q3BspVertex Vert_B ;
3383	Q3BspVertex Vert_U ;
3384	Q3BspVertex Vert_D ;
3385
3386
3387	int n_L=0 ;
3388	int n_R=0 ;
3389	int n_F=0 ;
3390	int n_B=0 ;
3391	int n_U=0 ;
3392	int n_D=0 ;
3393
3394	int nFirstVertex=0 ;
3395
3396	float flBaseGlowSize=0.15f ;//0.2f;//0.001f ;
3397	float flGlowSize=0.0f ;
3398
3399
3400
3401	triangle_t Triangle ;
3402	ZeroMemory((void*)&Triangle, sizeof(triangle_t)) ;
3403
3404	for(nLamp=0 ; nLamp<m_nLampMax ; nLamp++)
3405	{
3406
3407	flGlowSize=flBaseGlowSize*m_pLamp[nLamp].Brightness ;
3408
3409	flCentreX = m_pLamp[nLamp].Position[0] ;
3410	flCentreY = m_pLamp[nLamp].Position[1] ;
3411	flCentreZ = m_pLamp[nLamp].Position[2] ;
3412
3413	flMinX = flCentreX-flGlowSize ;
3414	flMinY = flCentreY-flGlowSize ;
3415	flMinZ = flCentreZ-flGlowSize ;
3416
3417	flMaxX = flCentreX+flGlowSize ;
3418	flMaxY = flCentreY+flGlowSize ;
3419	flMaxZ = flCentreZ+flGlowSize ;
3420
3421	flColR = m_pLamp[nLamp].Colour[0]*255.0f ;
3422	flColG = m_pLamp[nLamp].Colour[1]*255.0f ;
3423	flColB = m_pLamp[nLamp].Colour[2]*255.0f ;
3424
3425	flBrightness= m_pLamp[nLamp].Brightness*4.0f ;
3426
3427	//////////////////////////////////////
3428	// setup our 8 vertices. Normal isn't that important, I just approximate regardless of actual box shape
3429
3430
3431	nFirstVertex=m_nVertexMax ; // we need to remember which vertex is which for defining the triangles
3432
3433	// vertex numbers
3434	n_L=nFirstVertex+0 ;
3435	n_R=nFirstVertex+1 ;
3436	n_F=nFirstVertex+2 ;
3437	n_B=nFirstVertex+3 ;
3438	n_U=nFirstVertex+4 ;
3439	n_D=nFirstVertex+5 ;
3440
3441
3442
3443	Vert_L.position[0]=flMinX ;
3444	Vert_L.position[1]=flCentreY ;
3445	Vert_L.position[2]=flCentreZ ;
3446	Vert_L.normal[0]=-1.0 ;
3447	Vert_L.normal[1]=0.0 ;
3448	Vert_L.normal[2]=0.0 ;
3449	Vert_L.texcoord[0][0]=flCentreX ;
3450	Vert_L.texcoord[0][1]=flCentreY ;
3451	Vert_L.texcoord[1][0]=flCentreZ ;
3452	Vert_L.texcoord[1][1]=flBrightness ;
3453	Vert_L.color[0]=(unsigned char)flColR ;
3454	Vert_L.color[1]=(unsigned char)flColG ;
3455	Vert_L.color[2]=(unsigned char)flColB ;
3456	if(!AddVertex(Vert_L)) return 0 ;
3457
3458	Vert_R.position[0]=flMaxX ;
3459	Vert_R.position[1]=flCentreY ;
3460	Vert_R.position[2]=flCentreZ ;
3461	Vert_R.normal[0]=1.0 ;
3462	Vert_R.normal[1]=0.0 ;
3463	Vert_R.normal[2]=0.0 ;
3464	Vert_R.texcoord[0][0]=flCentreX ;
3465	Vert_R.texcoord[0][1]=flCentreY ;
3466	Vert_R.texcoord[1][0]=flCentreZ ;
3467	Vert_R.texcoord[1][1]=flBrightness ;
3468	Vert_R.color[0]=(unsigned char)flColR ;
3469	Vert_R.color[1]=(unsigned char)flColG ;
3470	Vert_R.color[2]=(unsigned char)flColB ;
3471	if(!AddVertex(Vert_R)) return 0 ;
3472
3473	Vert_F.position[0]=flCentreX ;
3474	Vert_F.position[1]=flCentreY ;
3475	Vert_F.position[2]=flMinZ ;
3476	Vert_F.normal[0]=0.0 ;
3477	Vert_F.normal[1]=0.0 ;
3478	Vert_F.normal[2]=-1.0 ;
3479	Vert_F.texcoord[0][0]=flCentreX ;
3480	Vert_F.texcoord[0][1]=flCentreY ;
3481	Vert_F.texcoord[1][0]=flCentreZ ;
3482	Vert_F.texcoord[1][1]=flBrightness ;
3483	Vert_F.color[0]=(unsigned char)flColR ;
3484	Vert_F.color[1]=(unsigned char)flColG ;
3485	Vert_F.color[2]=(unsigned char)flColB ;
3486	if(!AddVertex(Vert_F)) return 0 ;
3487
3488	Vert_B.position[0]=flCentreX ;
3489	Vert_B.position[1]=flCentreY ;
3490	Vert_B.position[2]=flMaxZ ;
3491	Vert_B.normal[0]=0.0 ;
3492	Vert_B.normal[1]=0.0 ;
3493	Vert_B.normal[2]=1.0 ;
3494	Vert_B.texcoord[0][0]=flCentreX ;
3495	Vert_B.texcoord[0][1]=flCentreY ;
3496	Vert_B.texcoord[1][0]=flCentreZ ;
3497	Vert_B.texcoord[1][1]=flBrightness ;
3498	Vert_B.color[0]=(unsigned char)flColR ;
3499	Vert_B.color[1]=(unsigned char)flColG ;
3500	Vert_B.color[2]=(unsigned char)flColB ;
3501	if(!AddVertex(Vert_B)) return 0 ;
3502
3503	Vert_U.position[0]=flCentreX ;
3504	Vert_U.position[1]=flMaxY ;
3505	Vert_U.position[2]=flCentreZ ;
3506	Vert_U.normal[0]=0.0 ;
3507	Vert_U.normal[1]=1.0 ;
3508	Vert_U.normal[2]=0.0 ;
3509	Vert_U.texcoord[0][0]=flCentreX ;
3510	Vert_U.texcoord[0][1]=flCentreY ;
3511	Vert_U.texcoord[1][0]=flCentreZ ;
3512	Vert_U.texcoord[1][1]=flBrightness ;
3513	Vert_U.color[0]=(unsigned char)flColR ;
3514	Vert_U.color[1]=(unsigned char)flColG ;
3515	Vert_U.color[2]=(unsigned char)flColB ;
3516	if(!AddVertex(Vert_U)) return 0 ;
3517
3518	Vert_D.position[0]=flCentreX ;
3519	Vert_D.position[1]=flMinY ;
3520	Vert_D.position[2]=flCentreZ ;
3521	Vert_D.normal[0]=0.0 ;
3522	Vert_D.normal[1]=-1.0 ;
3523	Vert_D.normal[2]=0.0 ;
3524	Vert_D.texcoord[0][0]=flCentreX ;
3525	Vert_D.texcoord[0][1]=flCentreY ;
3526	Vert_D.texcoord[1][0]=flCentreZ ;
3527	Vert_D.texcoord[1][1]=flBrightness ;
3528	Vert_D.color[0]=(unsigned char)flColR ;
3529	Vert_D.color[1]=(unsigned char)flColG ;
3530	Vert_D.color[2]=(unsigned char)flColB ;
3531	if(!AddVertex(Vert_D)) return 0 ;
3532
3533	////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
3534
3535	Triangle.Texture=m_nDefaultTextureIndexGlowLamp ;
3536	Triangle.Lamp=-1 ;
3537	Triangle.Group=m_nGroup ;
3538
3539	/////////////////////////////////////
3540
3541	Triangle.VIndex[0]=n_U ;
3542	Triangle.VIndex[1]=n_L ;
3543	Triangle.VIndex[2]=n_F ;
3544	if(!AddTriangle(Triangle)) return 0 ;
3545
3546	Triangle.VIndex[0]=n_U ;
3547	Triangle.VIndex[1]=n_F ;
3548	Triangle.VIndex[2]=n_R ;
3549	if(!AddTriangle(Triangle)) return 0 ;
3550
3551	Triangle.VIndex[0]=n_U ;
3552	Triangle.VIndex[1]=n_R ;
3553	Triangle.VIndex[2]=n_B ;
3554	if(!AddTriangle(Triangle)) return 0 ;
3555
3556	Triangle.VIndex[0]=n_U ;
3557	Triangle.VIndex[1]=n_B ;
3558	Triangle.VIndex[2]=n_L ;
3559	if(!AddTriangle(Triangle)) return 0 ;
3560
3561	//////////////////////////////////////
3562
3563	Triangle.VIndex[2]=n_D ;
3564	Triangle.VIndex[1]=n_L ;
3565	Triangle.VIndex[0]=n_F ;
3566	if(!AddTriangle(Triangle)) return 0 ;
3567
3568	Triangle.VIndex[2]=n_D ;
3569	Triangle.VIndex[1]=n_F ;
3570	Triangle.VIndex[0]=n_R ;
3571	if(!AddTriangle(Triangle)) return 0 ;
3572
3573	Triangle.VIndex[2]=n_D ;
3574	Triangle.VIndex[1]=n_R ;
3575	Triangle.VIndex[0]=n_B ;
3576	if(!AddTriangle(Triangle)) return 0 ;
3577
3578	Triangle.VIndex[2]=n_D ;
3579	Triangle.VIndex[1]=n_B ;
3580	Triangle.VIndex[0]=n_L ;
3581	if(!AddTriangle(Triangle)) return 0 ;
3582
3583	m_nGroup++ ; // increment group once for each glow
3584
3585	}
3586
3587
3588
3589	return 1 ;
3590	}
3591
3592	/////////////////////////////////////////////////////////////////////////////////////////////////////
3593
3594
3595	int Q3Map::ConvertLightsToGlowTriangles(void)
3596	{
3597	float flCentreX=0.0f ;
3598	float flCentreY=0.0f ;
3599	float flCentreZ=0.0f ;
3600
3601	float flMinX=0.0f ;
3602	float flMinY=0.0f ;
3603	float flMinZ=0.0f ;
3604	float flMaxX=0.0f ;
3605	float flMaxY=0.0f ;
3606	float flMaxZ=0.0f ;
3607
3608	// float flNormX=0.0f ;
3609	// float flNormY=0.0f ;
3610	// float flNormZ=0.0f ;
3611	// float flTexU=0.0f ;
3612	// float flTexV=0.0f ;
3613
3614	float flColR=0.0f ;
3615	float flColG=0.0f ;
3616	float flColB=0.0f ;
3617
3618	float flBrightness=0.0f ;
3619
3620	int nLight=0 ;
3621
3622	Q3BspVertex Vert_Or ;
3623	Q3BspVertex Vert_A0 ;
3624	Q3BspVertex Vert_A1 ;
3625	Q3BspVertex Vert_B0 ;
3626	Q3BspVertex Vert_B1 ;
3627
3628
3629	int n_Or=0 ;
3630	int n_A0=0 ;
3631	int n_A1=0 ;
3632	int n_B0=0 ;
3633	int n_B1=0 ;
3634
3635	int nFirstVertex=0 ;
3636
3637	float flBaseGlowSize=0.2f ;//0.001f ;
3638	float flGlowSize=0.0f ;
3639
3640	// char chMessage[1024] ;
3641
3642
3643
3644	triangle_t Triangle ;
3645	ZeroMemory((void*)&Triangle, sizeof(triangle_t)) ;
3646
3647	for(nLight=0 ; nLight<m_nLightMax ; nLight++)
3648	//for(nLight=0 ; nLight<1 ; nLight++)
3649	{
3650	//if(m_pLight[nLight].LightNode>-1) continue ; // Lights that are lightnodes don't add their own triangles. They just exist as information for TexLights.
3651
3652	flGlowSize=flBaseGlowSize*m_pLight[nLight].Brightness ;
3653
3654	flCentreX = m_pLight[nLight].Position[0] ;
3655	flCentreY = m_pLight[nLight].Position[1] ;
3656	flCentreZ = m_pLight[nLight].Position[2] ;
3657
3658	flMinX = flCentreX-flGlowSize ;
3659	flMinY = flCentreY-flGlowSize ;
3660	flMinZ = flCentreZ-flGlowSize ;
3661
3662	flMaxX = flCentreX+flGlowSize ;
3663	flMaxY = flCentreY+flGlowSize ;
3664	flMaxZ = flCentreZ+flGlowSize ;
3665
3666	flColR = m_pLight[nLight].Colour[0]*255.0f ;
3667	flColG = m_pLight[nLight].Colour[1]*255.0f ;
3668	flColB = m_pLight[nLight].Colour[2]*255.0f ;
3669
3670	flBrightness= m_pLight[nLight].Brightness * 0.75 ;//*2.0 ;
3671
3672	//////////////////////////////////////
3673	// setup our 5 vertices.
3674
3675
3676	nFirstVertex=m_nVertexMax ; // we need to remember which vertex is which for defining the triangles
3677
3678	// vertex numbers
3679	n_Or=nFirstVertex+0 ;
3680	n_A0=nFirstVertex+1 ;
3681	n_A1=nFirstVertex+2 ;
3682	n_B0=nFirstVertex+3 ;
3683	n_B1=nFirstVertex+4 ;
3684
3685
3686
3687
3688
3689
3690
3691
3692
3693
3694
3695
3696
3697
3698
3699
3700	///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
3701
3702
3703
3704
3705	float flHALFPI = 1.5707963 ;
3706	float flTWOPI = 6.2831853 ;
3707	float flPI = 3.1415926 ;
3708	float flAngle=(m_pLight[nLight].Angle/360.0f*flTWOPI)/2.0 ;
3709	float flCutoff=32.0f ;//m_pLight[nLight].Brightness ;
3710
3711	Q3BspVertex color ;
3712
3713	Q3BspVertex NormalVert ;
3714	SetVertex(&NormalVert, m_pLight[nLight].Direction[0], m_pLight[nLight].Direction[1], m_pLight[nLight].Direction[2]) ;
3715	NormalVert=GetNormalised(&NormalVert) ;
3716
3717	Q3BspVertex normal ;
3718	SetVertex(&normal, m_pLight[nLight].Direction[0]flCutoff, m_pLight[nLight].Direction[1]flCutoff, m_pLight[nLight].Direction[2]*flCutoff) ;
3719
3720	Q3BspVertex adjust=normal ;
3721	VertexScale(&adjust, 0.5) ;
3722
3723	Q3BspVertex start ; SetVertex(&start, flCentreX, flCentreY, flCentreZ) ;
3724	Q3BspVertex end ; SetVertex(&end, flCentreX+normal.position[0], flCentreY+normal.position[1], flCentreZ+normal.position[2]) ;
3725
3726	Q3BspVertex xaxis ; SetVertex(&xaxis, 1,0,0) ;
3727	Q3BspVertex xaxisneg ; SetVertex(&xaxisneg, -1,0,0) ;
3728	Q3BspVertex yaxis ; SetVertex(&yaxis, 0,1,0) ;
3729	Q3BspVertex Origin ; SetVertex(&Origin, 0,0,0) ;
3730	Q3BspVertex tangentA ;
3731	Q3BspVertex tangentB ;
3732	Q3BspVertex tangentStart ;
3733	Q3BspVertex tangentEnd ;
3734	Q3BspVertex tangentEndA0 ;
3735	Q3BspVertex tangentEndA1 ;
3736	Q3BspVertex tangentEndB0 ;
3737	Q3BspVertex tangentEndB1 ;
3738
3739	Q3BspVertex tangentANorm ;
3740	Q3BspVertex tangentBNorm ;
3741
3742	Q3BspVertex raytangent ;
3743
3744	Q3BspVertex ray ;
3745	float theta=0.0f ;
3746	float adjacent=0.0f ;
3747	SetVertex(&color, 0.66, 0.66, 0.66) ;
3748
3749	if(flAngle<0.0001) return 0 ;
3750
3751	if(flAngle>flPI-0.01) // near on 180 degrees
3752	flAngle=flPI-0.01 ;
3753
3754
3755	Q3BspVertex backshift ;
3756	backshift=normal ;
3757	VertexScale(&backshift, 0.95) ;
3758
3759
3760	if( !VectorsAreEqual(&NormalVert, &xaxis) && !VectorsAreEqual(&NormalVert, &xaxisneg) )
3761	tangentA=NormalizedCrossProduct(Origin, normal, xaxis) ;
3762	else
3763	tangentA=NormalizedCrossProduct(Origin, normal, yaxis) ;
3764
3765	tangentB=NormalizedCrossProduct(Origin, normal, tangentA) ;
3766
3767	tangentANorm=tangentA ;
3768	tangentBNorm=tangentB ;
3769
3770
3771
3772	theta=flHALFPI-flAngle ; // angle between adjacent and hypotenuse (the normal is the "opposite" side, and we know there's a right angle)
3773	adjacent=VertexDistance(&Origin, &normal)/tan(theta) ;
3774
3775	//////////////////////////////////////////////////////////////////////
3776
3777	Vert_Or.position[0]=end.position[0]-backshift.position[0] ;
3778	Vert_Or.position[1]=end.position[1]-backshift.position[1] ;
3779	Vert_Or.position[2]=end.position[2]-backshift.position[2] ;
3780	Vert_Or.normal[0]= NormalVert.position[0] ;
3781	Vert_Or.normal[1]= NormalVert.position[1] ;
3782	Vert_Or.normal[2]= NormalVert.position[2] ;
3783	Vert_Or.texcoord[0][0]=flCentreX ;
3784	Vert_Or.texcoord[0][1]=flCentreY ;
3785	Vert_Or.texcoord[1][0]=flCentreZ ;
3786	Vert_Or.texcoord[1][1]=flBrightness ;
3787	Vert_Or.color[0]=(unsigned char)flColR ;
3788	Vert_Or.color[1]=(unsigned char)flColG ;
3789	Vert_Or.color[2]=(unsigned char)flColB ;
3790	if(!AddVertex(Vert_Or)) return 0 ;
3791
3792
3793
3794
3795	//////////////////////////////////////////////////////////////////////
3796
3797	flColR=0.0f ;
3798	flColG=0.0f ;
3799	flColB=0.0f ;
3800
3801	tangentA=GetNormalised(&tangentA) ;
3802	VertexScale(&tangentA, adjacent) ;
3803
3804	tangentStart=start ;
3805	tangentEnd=VectorSubtract(&end, &tangentA) ;
3806	ray=VectorSubtract(&tangentEnd, &tangentStart) ;
3807	ray=GetNormalised(&ray) ;
3808	VertexScale(&ray, flCutoff) ;
3809	tangentStart=start ;
3810	tangentEndA0=VectorAdd(&start, &ray) ;
3811
3812	raytangent=VectorSubtract(&end, &tangentEndA0) ;
3813	raytangent=VectorAdd(&raytangent, &adjust) ;
3814	raytangent=GetNormalised(&raytangent) ;
3815
3816
3817
3818	tangentEndA0=VectorSubtract(&tangentEndA0, &backshift) ;
3819	Vert_A0.position[0]=tangentEndA0.position[0] ;
3820	Vert_A0.position[1]=tangentEndA0.position[1] ;
3821	Vert_A0.position[2]=tangentEndA0.position[2] ;
3822	Vert_A0.normal[0]= -raytangent.position[0] ;
3823	Vert_A0.normal[1]= -raytangent.position[1] ;
3824	Vert_A0.normal[2]= -raytangent.position[2] ;
3825	Vert_A0.texcoord[0][0]=flCentreX ;
3826	Vert_A0.texcoord[0][1]=flCentreY ;
3827	Vert_A0.texcoord[1][0]=flCentreZ ;
3828	Vert_A0.texcoord[1][1]=flBrightness ;
3829	Vert_A0.color[0]=(unsigned char)flColR ;//abs(Vert_A0.normal[0])*255 ;//0.0f ;
3830	Vert_A0.color[1]=(unsigned char)flColG ;//abs(Vert_A0.normal[1])*255 ;//0.0f ;
3831	Vert_A0.color[2]=(unsigned char)flColB ;//abs(Vert_A0.normal[2])*255 ;//0.0f ;
3832	if(!AddVertex(Vert_A0)) return 0 ;
3833
3834
3835	tangentStart=start ;
3836	tangentEnd=VectorAdd(&end, &tangentA) ;
3837	ray=VectorSubtract(&tangentEnd, &tangentStart) ;
3838	ray=GetNormalised(&ray) ;
3839	VertexScale(&ray, flCutoff) ; //ray.getScaledBy(cutoff) ;
3840	tangentStart=start ;
3841	tangentEndA1=VectorAdd(&start, &ray) ;
3842
3843	raytangent=VectorSubtract(&end, &tangentEndA1) ;
3844	raytangent=VectorAdd(&raytangent, &adjust) ;
3845	raytangent=GetNormalised(&raytangent) ;
3846
3847	tangentEndA1=VectorSubtract(&tangentEndA1, &backshift) ;
3848	Vert_A1.position[0]=tangentEndA1.position[0] ;
3849	Vert_A1.position[1]=tangentEndA1.position[1] ;
3850	Vert_A1.position[2]=tangentEndA1.position[2] ;
3851	Vert_A1.normal[0]= -raytangent.position[0] ;
3852	Vert_A1.normal[1]= -raytangent.position[1] ;
3853	Vert_A1.normal[2]= -raytangent.position[2] ;
3854	Vert_A1.texcoord[0][0]=flCentreX ;
3855	Vert_A1.texcoord[0][1]=flCentreY ;
3856	Vert_A1.texcoord[1][0]=flCentreZ ;
3857	Vert_A1.texcoord[1][1]=flBrightness ;
3858	Vert_A1.color[0]=(unsigned char)flColR ;//abs(Vert_A1.normal[0])*255 ;//0.0f ;
3859	Vert_A1.color[1]=(unsigned char)flColG ;//abs(Vert_A1.normal[1])*255 ;//0.0f ;
3860	Vert_A1.color[2]=(unsigned char)flColB ;//abs(Vert_A1.normal[2])*255 ;//0.0f ;
3861	if(!AddVertex(Vert_A1)) return 0 ;
3862
3863	//////////////////////////////////////////////////////////////////////
3864
3865	tangentB=GetNormalised(&tangentB) ;
3866	VertexScale(&tangentB, adjacent) ; //tangentB.getScaledBy(adjacent) ;
3867
3868	tangentStart=start ;
3869	tangentEnd=VectorSubtract(&end, &tangentB) ;
3870	ray=VectorSubtract(&tangentEnd, &tangentStart) ;
3871	ray=GetNormalised(&ray) ;
3872	VertexScale(&ray, flCutoff) ; //ray.getScaledBy(cutoff) ;
3873	tangentStart=start ;
3874	tangentEndB0=VectorAdd(&start, &ray) ;
3875
3876	raytangent=VectorSubtract(&end, &tangentEndB0) ;
3877	raytangent=VectorAdd(&raytangent, &adjust) ;
3878	raytangent=GetNormalised(&raytangent) ;
3879
3880	tangentEndB0=VectorSubtract(&tangentEndB0, &backshift) ;
3881	Vert_B0.position[0]=tangentEndB0.position[0] ;
3882	Vert_B0.position[1]=tangentEndB0.position[1] ;
3883	Vert_B0.position[2]=tangentEndB0.position[2] ;
3884	Vert_B0.normal[0]= -raytangent.position[0] ;
3885	Vert_B0.normal[1]= -raytangent.position[1] ;
3886	Vert_B0.normal[2]= -raytangent.position[2] ;
3887	Vert_B0.texcoord[0][0]=flCentreX ;
3888	Vert_B0.texcoord[0][1]=flCentreY ;
3889	Vert_B0.texcoord[1][0]=flCentreZ ;
3890	Vert_B0.texcoord[1][1]=flBrightness ;
3891	Vert_B0.color[0]=(unsigned char)flColR ;//abs(Vert_B0.normal[0])*255 ;//0.0f ;
3892	Vert_B0.color[1]=(unsigned char)flColG ;//abs(Vert_B0.normal[1])*255 ;//0.0f ;
3893	Vert_B0.color[2]=(unsigned char)flColB ;//abs(Vert_B0.normal[2])*255 ;//0.0f ;
3894	if(!AddVertex(Vert_B0)) return 0 ;
3895
3896	tangentStart=start ;
3897	tangentEnd=VectorAdd(&end, &tangentB) ;
3898	ray=VectorSubtract(&tangentEnd, &tangentStart) ;
3899	ray=GetNormalised(&ray) ;
3900	VertexScale(&ray, flCutoff) ; //ray.getScaledBy(cutoff) ;
3901	tangentStart=start ;
3902	tangentEndB1=VectorAdd(&start, &ray) ;
3903
3904	raytangent=VectorSubtract(&end, &tangentEndB1) ;
3905	raytangent=VectorAdd(&raytangent, &adjust) ;
3906	raytangent=GetNormalised(&raytangent) ;
3907
3908	tangentEndB1=VectorSubtract(&tangentEndB1, &backshift) ;
3909	Vert_B1.position[0]=tangentEndB1.position[0] ;
3910	Vert_B1.position[1]=tangentEndB1.position[1] ;
3911	Vert_B1.position[2]=tangentEndB1.position[2] ;
3912	Vert_B1.normal[0]= -raytangent.position[0] ;
3913	Vert_B1.normal[1]= -raytangent.position[1] ;
3914	Vert_B1.normal[2]= -raytangent.position[2] ;
3915	Vert_B1.texcoord[0][0]=flCentreX ;
3916	Vert_B1.texcoord[0][1]=flCentreY ;
3917	Vert_B1.texcoord[1][0]=flCentreZ ;
3918	Vert_B1.texcoord[1][1]=flBrightness ;
3919	Vert_B1.color[0]=(unsigned char)flColR ;//abs(Vert_B1.normal[0])*255 ;//0.0f ;
3920	Vert_B1.color[1]=(unsigned char)flColG ;//abs(Vert_B1.normal[1])*255 ;//0.0f ;
3921	Vert_B1.color[2]=(unsigned char)flColB ;//abs(Vert_B1.normal[2])*255 ;//0.0f ;
3922	if(!AddVertex(Vert_B1)) return 0 ;
3923
3924	/////////////////////////////////////////////////////////////////////
3925
3926
3927
3928
3929	// the four verts are position correctly to make the large end of a cone (or rather, pyramid) that would be consistent
3930	// with the angle and their distance from the origin. However we cheat and move them back on top of the origin
3931	// so that map lights come out looking better.
3932
3933	/*
3934	SetVertex(&normal, m_pLight[nLight].Direction[0]flCutoff, m_pLight[nLight].Direction[1]flCutoff, m_pLight[nLight].Direction[2]*flCutoff) ;
3935
3936	tangentEndA0=VectorSubtract(&tangentEndA0, &normal) ;
3937	Vert_A0.position[0]=tangentEndA0.position[0] ;
3938	Vert_A0.position[1]=tangentEndA0.position[1] ;
3939	Vert_A0.position[2]=tangentEndA0.position[2] ;
3940
3941	tangentEndA1=VectorSubtract(&tangentEndA1, &normal) ;
3942	Vert_A1.position[0]=tangentEndA1.position[0] ;
3943	Vert_A1.position[1]=tangentEndA1.position[1] ;
3944	Vert_A1.position[2]=tangentEndA1.position[2] ;
3945
3946	tangentEndB0=VectorSubtract(&tangentEndB0, &normal) ;
3947	Vert_A0.position[0]=tangentEndB0.position[0] ;
3948	Vert_A0.position[1]=tangentEndB0.position[1] ;
3949	Vert_A0.position[2]=tangentEndB0.position[2] ;
3950
3951	tangentEndB1=VectorSubtract(&tangentEndB1, &normal) ;
3952	Vert_A1.position[0]=tangentEndB1.position[0] ;
3953	Vert_A1.position[1]=tangentEndB1.position[1] ;
3954	Vert_A1.position[2]=tangentEndB1.position[2] ;
3955	*/
3956
3957
3958	///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
3959
3960	Triangle.Texture=m_nDefaultTextureIndexGlowLight ;
3961	Triangle.Lamp=-1 ;
3962	Triangle.Group=m_nGroup ;
3963
3964	/////////////////////////////////////
3965
3966	Triangle.VIndex[0]=n_Or ;
3967	Triangle.VIndex[2]=n_A0 ;
3968	Triangle.VIndex[1]=n_B1 ;
3969	if(!AddTriangle(Triangle)) return 0 ;
3970
3971	Triangle.VIndex[0]=n_Or ;
3972	Triangle.VIndex[2]=n_B1 ;
3973	Triangle.VIndex[1]=n_A1 ;
3974	if(!AddTriangle(Triangle)) return 0 ;
3975
3976	Triangle.VIndex[0]=n_Or ;
3977	Triangle.VIndex[2]=n_A1 ;
3978	Triangle.VIndex[1]=n_B0 ;
3979	if(!AddTriangle(Triangle)) return 0 ;
3980
3981	Triangle.VIndex[0]=n_Or ;
3982	Triangle.VIndex[2]=n_B0 ;
3983	Triangle.VIndex[1]=n_A0 ;
3984	if(!AddTriangle(Triangle)) return 0 ;
3985
3986	m_nGroup++ ; // increment group once for each glow
3987
3988	}
3989
3990	return 1 ;
3991	}
3992
3993
3994
3995
3996	/////////////////////////////////////////////////////////////////////////////////////////////////////
3997	// some vertex manipulation functions used for setting up the light disk.
3998	// They only work on the position, so other parts of the struct need to be setup seperately
3999
4000
4001	void Q3Map::SetVertex(Q3BspVertex *pVert, float flXPos, float flYPos, float flZPos)
4002	{
4003	pVert->position[0]=flXPos ;
4004	pVert->position[1]=flYPos ;
4005	pVert->position[2]=flZPos ;
4006	}
4007
4008	// this doesn't test exact equivalence, but rather within the range of an epsilon VERYSMALL
4009	bool Q3Map::VectorsAreEqual(Q3BspVertex* pVecA, Q3BspVertex* pVecB)
4010	{
4011	if( fabs(pVecA->position[0] - pVecB->position[0])>VERYSMALL ) return false ;
4012	if( fabs(pVecA->position[1] - pVecB->position[1])>VERYSMALL ) return false ;
4013	if( fabs(pVecA->position[2] - pVecB->position[2])>VERYSMALL ) return false ;
4014
4015	return true ;
4016	}
4017
4018	// VertA is the origin of VertB and VertC
4019	Q3BspVertex Q3Map::NormalizedCrossProduct(Q3BspVertex VertA, Q3BspVertex VertB, Q3BspVertex VertC)
4020	{
4021
4022
4023	Q3BspVertex Cross ;
4024
4025	// edge vectors
4026	float flVecXA_CP = VertA.position[0] - VertB.position[0] ;
4027	float flVecYA_CP = VertA.position[1] - VertB.position[1] ;
4028	float flVecZA_CP = VertA.position[2] - VertB.position[2] ;
4029	float flVecXB_CP = VertA.position[0] - VertC.position[0] ;
4030	float flVecYB_CP = VertA.position[1] - VertC.position[1] ;
4031	float flVecZB_CP = VertA.position[2] - VertC.position[2] ;
4032
4033	// cross product
4034	float flCpx_CP = (flVecZA_CP * flVecYB_CP) - (flVecYA_CP * flVecZB_CP);
4035	float flCpy_CP = (flVecXA_CP * flVecZB_CP) - (flVecZA_CP * flVecXB_CP);
4036	float flCpz_CP = (flVecYA_CP * flVecXB_CP) - (flVecXA_CP * flVecYB_CP);
4037
4038	// Normalize
4039	float flR_CP = sqrt(flCpx_CP * flCpx_CP + flCpy_CP * flCpy_CP + flCpz_CP * flCpz_CP);
4040
4041	Cross.position[0] = flCpx_CP / flR_CP;
4042	Cross.position[1] = flCpy_CP / flR_CP;
4043	Cross.position[2] = flCpz_CP / flR_CP;
4044
4045	return Cross ;
4046	}
4047
4048	float Q3Map::VertexDistance(Q3BspVertex* VertA, Q3BspVertex* VertB)
4049	{
4050	float flXDis=VertA->position[0]-VertB->position[0] ;
4051	float flYDis=VertA->position[1]-VertB->position[1] ;
4052	float flZDis=VertA->position[2]-VertB->position[2] ;
4053
4054	return sqrt(flXDisflXDis+flYDisflYDis+flZDis*flZDis) ;
4055	}
4056
4057	void Q3Map::VertexScale(Q3BspVertex* pVert, float flScale)
4058	{
4059	pVert->position[0]*=flScale ;
4060	pVert->position[1]*=flScale ;
4061	pVert->position[2]*=flScale ;
4062	}
4063
4064	Q3BspVertex Q3Map::GetNormalised(Q3BspVertex* pVector)
4065	{
4066	float flLength=sqrt((pVector->position[0]pVector->position[0])+(pVector->position[1]pVector->position[1])+(pVector->position[2]*pVector->position[2])) ;
4067
4068	Q3BspVertex Vector=*pVector ;
4069
4070	Vector.position[0]/=flLength ;
4071	Vector.position[1]/=flLength ;
4072	Vector.position[2]/=flLength ;
4073
4074	return Vector ;
4075	}
4076
4077	Q3BspVertex Q3Map::VectorAdd(Q3BspVertex* pVecA, Q3BspVertex* pVecB)
4078	{
4079	Q3BspVertex Vector ;
4080
4081	Vector.position[0]=pVecA->position[0] + pVecB->position[0] ;
4082	Vector.position[1]=pVecA->position[1] + pVecB->position[1] ;
4083	Vector.position[2]=pVecA->position[2] + pVecB->position[2] ;
4084
4085	return Vector ;
4086	}
4087
4088	Q3BspVertex Q3Map::VectorSubtract(Q3BspVertex* pVecA, Q3BspVertex* pVecB)
4089	{
4090	Q3BspVertex Vector ;
4091
4092	Vector.position[0]=pVecA->position[0] - pVecB->position[0] ;
4093	Vector.position[1]=pVecA->position[1] - pVecB->position[1] ;
4094	Vector.position[2]=pVecA->position[2] - pVecB->position[2] ;
4095
4096	return Vector ;
4097	}
4098
4099	Q3BspVertex Q3Map::VectorMultiply(Q3BspVertex* pVecA, Q3BspVertex* pVecB)
4100	{
4101	Q3BspVertex Vector ;
4102
4103	Vector.position[0]=pVecA->position[0] * pVecB->position[0] ;
4104	Vector.position[1]=pVecA->position[1] * pVecB->position[1] ;
4105	Vector.position[2]=pVecA->position[2] * pVecB->position[2] ;
4106
4107	return Vector ;
4108	}
4109
4110
4111
4112	///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
4113
4114
4115
4116
4117	void Q3Map::GetTexLampTextureNumbers()
4118	{
4119	m_nBZN_LightNode0=-1 ;
4120	m_nBZN_LightNode1=-1 ;
4121	m_nBZN_LightNode2=-1 ;
4122	m_nBZN_LightNode3=-1 ;
4123
4124	int nTex=0;
4125	char chTexName[1024] ;
4126	int nLen=0 ;
4127	int nPos=0 ;
4128
4129	int nMatch=0 ;
4130
4131	strcpy(chTexName, "textures/common/bzn_lightnode") ;
4132	nLen=strlen(chTexName) ;
4133
4134	for(nTex=0 ; nTex<m_nTextureMax ; nTex++)
4135	{
4136	nMatch=1 ;
4137	for(nPos=nLen-1 ; nPos>=0 ; nPos--) // faster to check backwards since lots of textures will start with "textures/common/"
4138	if(m_pTexture[nTex].name[nPos]!=chTexName[nPos])
4139	{
4140	nMatch=0 ;
4141	break ;
4142	}
4143
4144	if(nMatch)
4145	{
4146	// what is the last character?
4147	if(m_pTexture[nTex].name[nLen]=='0')
4148	m_nBZN_LightNode0=nTex ;
4149	else
4150	if(m_pTexture[nTex].name[nLen]=='1')
4151	m_nBZN_LightNode1=nTex ;
4152	else
4153	if(m_pTexture[nTex].name[nLen]=='2')
4154	m_nBZN_LightNode2=nTex ;
4155	else
4156	if(m_pTexture[nTex].name[nLen]=='3')
4157	m_nBZN_LightNode3=nTex ;
4158
4159	}// end if match
4160
4161
4162	}// end for nTex
4163
4164	}
4165
4166	int Q3Map::SortTrianglesIntoGroups(void)
4167	{
4168
4169
4170	int nNewSize=0 ; // we will drop non-subzoned (-1 zone) triangles here, so new number of triangles may be less than old number.
4171
4172	ULONGLONG *pFaceOrder = new ULONGLONG[m_nTriangleMax] ;
4173	if(pFaceOrder==NULL) return 0 ; // out of memory.
4174
4175	// temporary copy of m_pTriangles to make sorting easier
4176	triangle_t *TempTriangle = new triangle_t[m_nTriangleMax];
4177	if(TempTriangle==NULL) { DELETE_ARRAY( pFaceOrder ) ; return 0 ; } // out of memory
4178	memcpy((void)TempTriangle, (void)m_pTriangle, m_nTriangleMax*sizeof(triangle_t)) ;
4179
4180	// create the initial face "value" by setting the most significant bits to it's criteria number
4181	for (int i=0; i < m_nTriangleMax; i++)
4182	if(m_pTriangle[i].Zone!=-1) // drop unsubzoned triangles
4183	pFaceOrder[nNewSize++] = ( ((ULONGLONG)m_pTriangle[i].Zone)<<GROUPSORT_SUBZONE_SHIFT ) + ( ((ULONGLONG)m_pTriangle[i].Texture)<<GROUPSORT_GROUP_SHIFT ) + i ;
4184
4185	// sort the ULONGLONGs, this will order things according to our criteria
4186	// sorting is based firstly on subzone, secondly on texture.
4187	// So all triangles in a subzone will be grouped together,
4188	// and within that group all triangles with the same material will be grouped together.
4189
4190	qsort( (void *)pFaceOrder, nNewSize, sizeof(ULONGLONG), &Q3Map::compareGroups);
4191
4192	// copy the sorted faces back to the original
4193	for (int i=0; i < nNewSize; i++)
4194	m_pTriangle[i]=TempTriangle[ (pFaceOrder[i]&FACESORT_FACE_MASK) ] ;
4195
4196	// update m_nTriangleMax to show that there may now be less triangles
4197	m_nTriangleMax=nNewSize ;
4198
4199	// clean up the memory we used
4200	DELETE_ARRAY( pFaceOrder ) ;
4201	DELETE_ARRAY( TempTriangle ) ;
4202
4203
4204	// now that the triangles are sorting according to zone and group,
4205	// re-assign the group numbers per zone, from 0 to FACESORT_GROUP_LIMIT-1
4206	// All non-trans triangles will be group 0, trans triangles will be 1 to FACESORT_GROUP_LIMIT-1
4207
4208	int nTri=0 ;
4209	int nZone=-1 ;
4210	int nGroup=-1 ;
4211	int nNewGroup=0 ;
4212
4213	//char chMessage[1024] ;
4214
4215	for(nTri=0 ; nTri<m_nTriangleMax ; nTri++)
4216	{
4217	// reset the newgroup if we've got a new zone
4218	if(m_pTriangle[nTri].Zone!=nZone)
4219	{
4220	nZone=m_pTriangle[nTri].Zone ;
4221	nGroup=-1 ;
4222	nNewGroup=0 ;
4223	}
4224
4225	// if we have a new group, increment the newgroup number, fail if we have too many
4226	if(m_pTriangle[nTri].Group!=nGroup)
4227	{
4228	// if this is a trans triangle, inc the newgroup
4229	if(m_pTransTexture[ m_pTriangle[nTri].Texture ])
4230	{
4231	nNewGroup++ ; // will always be at least 1
4232	if(nNewGroup>=FACESORT_GROUP_LIMIT) return 0 ; // too many groups in a zone.
4233	}
4234
4235	nGroup=m_pTriangle[nTri].Group ;
4236	}
4237
4238	if(m_pTransTexture[ m_pTriangle[nTri].Texture ]==0)
4239	m_pTriangle[nTri].Group=0 ;
4240	else
4241	m_pTriangle[nTri].Group=nNewGroup ;
4242
4243
4244
4245	}// end for tri
4246
4247	return 1 ;
4248	}
4249
4250
4251	// static function for sorting groups, required by qsort
4252	int Q3Map::compareGroups( const void arg1, const void arg2 )
4253	{
4254	ULONGLONG FaceA= (ULONGLONG)arg1 ;
4255	ULONGLONG FaceB= (ULONGLONG)arg2 ;
4256
4257	if(FaceA < FaceB)
4258	return -1 ;
4259	else
4260	if(FaceA > FaceB)
4261	return 1 ;
4262
4263	return 0 ;
4264	}
4265
4266
4267
4268	// sort faces so that we can batch effectively when constructing our manualobjects
4269	// Currently grouped according to zone and texture.
4270	// Triangles not in any subzone will be dropped at this stage.
4271	int Q3Map::SortTrianglesIntoBatches(void)
4272	{
4273
4274
4275	int nNewSize=0 ; // we will drop non-subzoned (-1 zone) triangles here, so new number of triangles may be less than old number.
4276
4277	ULONGLONG *pFaceOrder = new ULONGLONG[m_nTriangleMax] ;
4278	if(pFaceOrder==NULL) return 0 ; // out of memory.
4279
4280	// temporary copy of m_pTriangles to make sorting easier
4281	triangle_t *TempTriangle = new triangle_t[m_nTriangleMax];
4282	if(TempTriangle==NULL) { DELETE_ARRAY( pFaceOrder ) ; return 0 ; } // out of memory
4283	memcpy((void)TempTriangle, (void)m_pTriangle, m_nTriangleMax*sizeof(triangle_t)) ;
4284
4285	// create the initial face "value" by setting the most significant bits to it's criteria number
4286	for (int i=0; i < m_nTriangleMax; i++)
4287	if(m_pTriangle[i].Zone!=-1) // drop unsubzoned triangles
4288	pFaceOrder[nNewSize++] = ( ((ULONGLONG)m_pTriangle[i].Zone)<<FACESORT_SUBZONE_SHIFT ) + ( ((ULONGLONG)m_pTriangle[i].Texture)<<FACESORT_TEXTURE_SHIFT ) + ( ((ULONGLONG)m_pTriangle[i].Group)<<FACESORT_GROUP_SHIFT ) + i ;
4289
4290	// sort the ULONGLONGs, this will order things according to our criteria
4291	// sorting is based firstly on subzone, secondly on texture.
4292	// So all triangles in a subzone will be grouped together,
4293	// and within that group all triangles with the same material will be grouped together.
4294
4295	qsort( (void *)pFaceOrder, nNewSize, sizeof(ULONGLONG), &Q3Map::compareTriangles);
4296
4297	// copy the sorted faces back to the original
4298	for (int i=0; i < nNewSize; i++)
4299	m_pTriangle[i]=TempTriangle[ (pFaceOrder[i]&FACESORT_FACE_MASK) ] ;
4300
4301	// update m_nTriangleMax to show that there may now be less triangles
4302	m_nTriangleMax=nNewSize ;
4303
4304	// clean up the memory we used
4305	DELETE_ARRAY( pFaceOrder ) ;
4306	DELETE_ARRAY( TempTriangle ) ;
4307
4308	return 1 ;
4309	}
4310
4311	// static function for sorting triangles, required by qsort
4312	int Q3Map::compareTriangles( const void arg1, const void arg2 )
4313	{
4314	ULONGLONG FaceA= (ULONGLONG)arg1 ;
4315	ULONGLONG FaceB= (ULONGLONG)arg2 ;
4316
4317	if(FaceA < FaceB)
4318	return -1 ;
4319	else
4320	if(FaceA > FaceB)
4321	return 1 ;
4322
4323	return 0 ;
4324	}
4325
4326
4327
4328
4329	// note which texture numbers correspond to textures that have transparency.
4330	// needed for when we work out transparency groups and related stuff
4331	int Q3Map::SetupTransTextures(void)
4332	{
4333	int nMaterial=0 ;
4334	int nPos=0 ;
4335	char chMaterial[1024] ;
4336
4337	// create the memory for the transtextures
4338	m_pTransTexture = new int[m_nTextureMax] ;
4339	if(m_pTransTexture==NULL) return 0 ; // out of memory.
4340
4341	for(nMaterial=0 ; nMaterial<m_nTextureMax ; nMaterial++)
4342	{
4343	// copy the material name.
4344	// q3 texture names are a max of 64 characters ( Q3NAMESIZE ) and may not be null terminated. They have no extension either.
4345	nPos=-1 ;
4346	while((++nPos<Q3NAMESIZE) && (m_pTexture[nMaterial].name[nPos]!=' ') && (m_pTexture[nMaterial].name[nPos]!='\0'))
4347	chMaterial[nPos]=m_pTexture[nMaterial].name[nPos] ;
4348
4349	// make sure name is null terminated
4350	chMaterial[nPos]='\0' ;
4351
4352
4353	// is the texture a type we need to flag as transparent?
4354	if(strstr(chMaterial, "GEL")!=NULL)
4355	m_pTransTexture[nMaterial]=1 ;
4356	else
4357	m_pTransTexture[nMaterial]=0 ;
4358
4359	}// end for nMaterial
4360
4361	return 1 ;
4362
4363	}
4364
4365	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
4366
4367	int Q3Map::AssignPortalsToZones(void)
4368	{
4369	int nZone=0 ;
4370	float flMinX=0.0f ;
4371	float flMaxX=0.0f ;
4372	float flMinY=0.0f ;
4373	float flMaxY=0.0f ;
4374	float flMinZ=0.0f ;
4375	float flMaxZ=0.0f ;
4376	int nMaxSubZone=m_iNumSubZones ;
4377	int nSubZone=0 ;
4378	int nMaxPortal=m_iNumPortals ;
4379	int nPortal=0 ;
4380	int nIndex=0 ;
4381	int nPos=0 ;
4382
4383
4384
4385	// clear the portal settings.
4386	for(nZone=0 ; nZone<m_nMaxZone ; nZone++)
4387	m_nZoneTouchesPortal[nZone][INDEX_PORTALCOUNT]=0 ;
4388
4389	for(nPortal=0 ; nPortal<nMaxPortal ; nPortal++)
4390	m_nPortalTouchesZone[nPortal][INDEX_PORTALZONECOUNT]=0 ;
4391
4392
4393
4394	// now test each subzone against each portal to see what zones each portal contains.
4395	for(nSubZone=0 ; nSubZone<nMaxSubZone ; nSubZone++)
4396	{
4397	nZone=m_pSubZones[nSubZone].Zone ;
4398	flMinX=m_pSubZones[nSubZone].Min[0] ;
4399	flMaxX=m_pSubZones[nSubZone].Max[0] ;
4400	flMinY=m_pSubZones[nSubZone].Min[1] ;
4401	flMaxY=m_pSubZones[nSubZone].Max[1] ;
4402	flMinZ=m_pSubZones[nSubZone].Min[2] ;
4403	flMaxZ=m_pSubZones[nSubZone].Max[2] ;
4404
4405	// test all the portals to see if any overlap this subzone
4406	for(nPortal=0 ; nPortal<nMaxPortal ; nPortal++)
4407	{
4408
4409	// if AABB overlap
4410	if(
4411	(flMinX<m_pPortals[nPortal].Max[0]) && (flMaxX>m_pPortals[nPortal].Min[0])
4412	&& (flMinY<m_pPortals[nPortal].Max[1]) && (flMaxY>m_pPortals[nPortal].Min[1])
4413	&& (flMinZ<m_pPortals[nPortal].Max[2]) && (flMaxZ>m_pPortals[nPortal].Min[2])
4414	)
4415	{
4416
4417	// add this portal to the zone's portal list
4418	nIndex=m_nZoneTouchesPortal[nZone][INDEX_PORTALCOUNT] ;
4419	if(nIndex<MAX_PORTALPERZONE) // only add if we aren't already maxed out.
4420	{
4421	// we need to check this portal isn't already on the list.
4422	// it might have gotten on by another subzone, since a zone can have multiple subzones.
4423	nPos=-1 ;
4424	while((++nPos<nIndex) && (m_nZoneTouchesPortal[nZone][nPos]!=nPortal)) ;
4425
4426	if(nPos==nIndex) // this can only be true if we didn't already find nPortal in the list
4427	{
4428	m_nZoneTouchesPortal[nZone][nIndex]=nPortal ;
4429	m_nZoneTouchesPortal[nZone][INDEX_PORTALCOUNT]++ ;
4430	}
4431	}
4432
4433	// add this zone to the portal's list
4434	nIndex=m_nPortalTouchesZone[nPortal][INDEX_PORTALZONECOUNT] ;
4435	if(nIndex<MAX_ZONEPERPORTAL)
4436	{
4437	// we need to check this zone isn't already on the list.
4438	// it might have gotten on by another subzone, since a zone can have multiple subzones.
4439	nPos=-1 ;
4440	while((++nPos<nIndex) && (m_nPortalTouchesZone[nPortal][nPos]!=nZone)) ;
4441
4442	if(nPos==nIndex) // this can only be true if we didn't already find nZone in the list
4443	{
4444	m_nPortalTouchesZone[nPortal][nIndex]=nZone ;
4445	m_nPortalTouchesZone[nPortal][INDEX_PORTALZONECOUNT]++ ;
4446	}
4447	}
4448
4449	}// end if portal overlaps subzone
4450
4451	}// end for portal
4452
4453	}// end for subzone
4454
4455	return 1 ;
4456	}
4457
4458	int Q3Map::AssignLightsToZones(void)
4459	{
4460	int nZone=0 ;
4461	float flMinX=0.0f ;
4462	float flMaxX=0.0f ;
4463	float flMinY=0.0f ;
4464	float flMaxY=0.0f ;
4465	float flMinZ=0.0f ;
4466	float flMaxZ=0.0f ;
4467	int nMaxSubZone=m_iNumSubZones ;
4468	int nSubZone=0 ;
4469	int nMaxLight=m_nLightMax ;
4470	int nLight=0 ;
4471	int nIndex=0 ;
4472	int nPos=0 ;
4473
4474
4475
4476	// clear the light settings.
4477	for(nZone=0 ; nZone<m_nMaxZone ; nZone++)
4478	m_nZoneContainsLightCentre[nZone][INDEX_LIGHTCOUNT]=m_nZoneTouchesSubLight[nZone][INDEX_LIGHTCOUNT]=0 ;
4479
4480	for(nLight=0 ; nLight<nMaxLight ; nLight++)
4481	m_nLightTouchesZone[nLight][INDEX_LIGHTZONECOUNT]=0 ;
4482
4483
4484
4485
4486	// now test each subzone against each light what contains/touches what
4487	for(nSubZone=0 ; nSubZone<nMaxSubZone ; nSubZone++)
4488	{
4489	nZone=m_pSubZones[nSubZone].Zone ;
4490	flMinX=m_pSubZones[nSubZone].Min[0] ;
4491	flMaxX=m_pSubZones[nSubZone].Max[0] ;
4492	flMinY=m_pSubZones[nSubZone].Min[1] ;
4493	flMaxY=m_pSubZones[nSubZone].Max[1] ;
4494	flMinZ=m_pSubZones[nSubZone].Min[2] ;
4495	flMaxZ=m_pSubZones[nSubZone].Max[2] ;
4496
4497	// test all the lights to see if any have centers inside this subzone
4498	for(nLight=0 ; nLight<nMaxLight ; nLight++)
4499	{
4500
4501	/////////////////////////////////////////////////////////////////////////////////////
4502
4503	// if light center is in this subzone
4504	if(
4505	(m_pLight[nLight].Position[0]>=flMinX) && (m_pLight[nLight].Position[0]<=flMaxX)
4506	&& (m_pLight[nLight].Position[1]>=flMinY) && (m_pLight[nLight].Position[1]<=flMaxY)
4507	&& (m_pLight[nLight].Position[2]>=flMinZ) && (m_pLight[nLight].Position[2]<=flMaxZ)
4508	)
4509	{
4510
4511	// add this light to the zone's light list
4512	nIndex=m_nZoneContainsLightCentre[nZone][INDEX_LIGHTCOUNT] ;
4513	if(nIndex<MAX_LIGHTPERZONE) // only add if we aren't already maxed out.
4514	{
4515	// we need to check this light isn't already on the list.
4516	// it might have gotten on by another subzone, since a zone can have multiple subzones.
4517	nPos=-1 ;
4518	while((++nPos<nIndex) && (m_nZoneContainsLightCentre[nZone][nPos]!=nLight)) ;
4519
4520	if(nPos==nIndex) // this can only be true if we didn't already find nLight in the list
4521	{
4522	m_nZoneContainsLightCentre[nZone][nIndex]=nLight ;
4523	m_nZoneContainsLightCentre[nZone][INDEX_LIGHTCOUNT]++ ;
4524
4525	// assign this zone as the light's centre. We only allow one zone to be the light's centre zone,
4526	// so this will get overwritten if the light is on the border.
4527	m_pLight[nLight].CentreZone=nZone ;
4528	}
4529	}
4530
4531	}// end if light centre contained by subzone
4532
4533	/////////////////////////////////////////////////////////////////////////////////////
4534
4535	// if light touches subzone (we store it in ZoneTouchesSubLight for now, will overwrite later)
4536	// if light AABB overlaps the zone AABB
4537	if(
4538	(flMinX<m_pLight[nLight].Max[0]) && (flMaxX>m_pLight[nLight].Min[0])
4539	&& (flMinY<m_pLight[nLight].Max[1]) && (flMaxY>m_pLight[nLight].Min[1])
4540	&& (flMinZ<m_pLight[nLight].Max[2]) && (flMaxZ>m_pLight[nLight].Min[2])
4541	)
4542	{
4543	// add this light to the zone's light list
4544	nIndex=m_nZoneTouchesSubLight[nZone][INDEX_LIGHTCOUNT] ;
4545	if(nIndex<MAX_LIGHTPERZONE) // only add if we aren't already maxed out.
4546	{
4547	// we need to check this light isn't already on the list.
4548	// it might have gotten on by another subzone, since a zone can have multiple subzones.
4549	nPos=-1 ;
4550	while((++nPos<nIndex) && (m_nZoneTouchesSubLight[nZone][nPos]!=nLight)) ;
4551
4552	if(nPos==nIndex) // this can only be true if we didn't already find nPortal in the list
4553	{
4554	m_nZoneTouchesSubLight[nZone][nIndex]=nLight ;
4555	m_nZoneTouchesSubLight[nZone][INDEX_LIGHTCOUNT]++ ;
4556	}
4557	}
4558
4559	// add this zone to the light's list
4560	nIndex=m_nLightTouchesZone[nLight][INDEX_LIGHTZONECOUNT] ;
4561	if(nIndex<MAX_ZONEPERLIGHT)
4562	{
4563	// we need to check this zone isn't already on the list.
4564	// it might have gotten on by another subzone, since a zone can have multiple subzones.
4565	nPos=-1 ;
4566	while((++nPos<nIndex) && (m_nLightTouchesZone[nLight][nPos]!=nZone)) ;
4567
4568	if(nPos==nIndex) // this can only be true if we didn't already find nZone in the list
4569	{
4570	m_nLightTouchesZone[nLight][nIndex]=nZone ;
4571	m_nLightTouchesZone[nLight][INDEX_LIGHTZONECOUNT]++ ;
4572	}
4573	}
4574
4575	}// end if light touches contained by subzone
4576
4577	/////////////////////////////////////////////////////////////////////////////////////
4578
4579
4580
4581
4582	}// end for light
4583
4584	}// end for subzone
4585
4586
4587	/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
4588	//
4589	// work out the sublights. These are cut up boxes made from the light boxes, one per zone.
4590	// Most lights will just become a single sublight, but multizone lights will be cut up into
4591	// multiple sublights. These are used for calculating light visibility.
4592	//
4593
4594	m_nSubLightMax=0 ;
4595	int nMaxZone=0 ;
4596	int nZoneIndex=0 ;
4597	int nSubLightCentre=0 ;
4598	sublight_t TempSubLight ;
4599	for(nLight=0 ; nLight<nMaxLight ; nLight++)
4600	{
4601
4602	m_pLight[nLight].ZoneCount=m_nLightTouchesZone[nLight][INDEX_LIGHTZONECOUNT] ; // in the light, note how many zones it touches
4603
4604	if((m_nLightTouchesZone[nLight][INDEX_LIGHTZONECOUNT]>1) && (m_nMaxMultiZoneLight<MAX_LIGHT))// this is a multizone light
4605	m_nMultiZoneLight[m_nMaxMultiZoneLight++]=nLight ;
4606
4607
4608	m_pLight[nLight].SubLightStart=m_nSubLightMax ; // where this light's cut up sublights start in m_SubLight
4609
4610
4611	// break the light up into it's different sublights, cut by zones.
4612	nMaxZone=m_nLightTouchesZone[nLight][INDEX_LIGHTZONECOUNT] ;
4613	for(nZoneIndex=0 ; nZoneIndex<nMaxZone ; nZoneIndex++)
4614	{
4615	nZone=m_nLightTouchesZone[nLight][nZoneIndex] ;
4616
4617	flMinX= m_pLight[nLight].Min[0]<m_ZoneBoundary[nZone].Min[0] ? m_ZoneBoundary[nZone].Min[0] : m_pLight[nLight].Min[0] ;
4618	flMinY= m_pLight[nLight].Min[1]<m_ZoneBoundary[nZone].Min[1] ? m_ZoneBoundary[nZone].Min[1] : m_pLight[nLight].Min[1] ;
4619	flMinZ= m_pLight[nLight].Min[2]<m_ZoneBoundary[nZone].Min[2] ? m_ZoneBoundary[nZone].Min[2] : m_pLight[nLight].Min[2] ;
4620
4621	flMaxX= m_pLight[nLight].Max[0]>m_ZoneBoundary[nZone].Max[0] ? m_ZoneBoundary[nZone].Max[0] : m_pLight[nLight].Max[0] ;
4622	flMaxY= m_pLight[nLight].Max[1]>m_ZoneBoundary[nZone].Max[1] ? m_ZoneBoundary[nZone].Max[1] : m_pLight[nLight].Max[1] ;
4623	flMaxZ= m_pLight[nLight].Max[2]>m_ZoneBoundary[nZone].Max[2] ? m_ZoneBoundary[nZone].Max[2] : m_pLight[nLight].Max[2] ;
4624
4625	// add the cut down light as a sublight
4626	m_SubLight[m_nSubLightMax].Light=nLight ;
4627	m_SubLight[m_nSubLightMax].Zone=nZone ;
4628	m_SubLight[m_nSubLightMax].Min[0]=flMinX ;
4629	m_SubLight[m_nSubLightMax].Min[1]=flMinY ;
4630	m_SubLight[m_nSubLightMax].Min[2]=flMinZ ;
4631	m_SubLight[m_nSubLightMax].Max[0]=flMaxX ;
4632	m_SubLight[m_nSubLightMax].Max[1]=flMaxY ;
4633	m_SubLight[m_nSubLightMax].Max[2]=flMaxZ ;
4634
4635	// remember which sublight is the centre
4636	if(
4637	(m_pLight[nLight].Position[0]>=flMinX) && (m_pLight[nLight].Position[0]<=flMaxX)
4638	&& (m_pLight[nLight].Position[1]>=flMinY) && (m_pLight[nLight].Position[1]<=flMaxY)
4639	&& (m_pLight[nLight].Position[2]>=flMinZ) && (m_pLight[nLight].Position[2]<=flMaxZ)
4640	)
4641	nSubLightCentre=m_nSubLightMax ;
4642
4643
4644	m_nSubLightMax++ ; // we don't have to worry about bound checking this, because we've already checked there aren't too many lights.
4645
4646	}// end for zoneindex
4647
4648	// move the sublight that contains the centre to the beginning of the sublights for this light.
4649	// We always want the first sublight to contain the centre to make the culling algos work better.
4650	TempSubLight=m_SubLight[ m_pLight[nLight].SubLightStart ] ;
4651	m_SubLight[ m_pLight[nLight].SubLightStart ] = m_SubLight[ nSubLightCentre ] ;
4652	m_SubLight[ nSubLightCentre ] = TempSubLight ;
4653
4654
4655
4656	}// end for light
4657
4658	/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
4659	//
4660	// recalculate m_nZoneTouchesSubLight using the newly created sublights
4661	// (instead of the complete lights that were originally used)
4662	//
4663
4664	int nSubLight=0 ;
4665
4666
4667	// clear the light settings.
4668	for(nZone=0 ; nZone<m_nMaxZone ; nZone++)
4669	m_nZoneTouchesSubLight[nZone][INDEX_LIGHTCOUNT]=0 ;
4670
4671	for(nSubZone=0 ; nSubZone<nMaxSubZone ; nSubZone++)
4672	{
4673	nZone=m_pSubZones[nSubZone].Zone ;
4674	flMinX=m_pSubZones[nSubZone].Min[0] ;
4675	flMaxX=m_pSubZones[nSubZone].Max[0] ;
4676	flMinY=m_pSubZones[nSubZone].Min[1] ;
4677	flMaxY=m_pSubZones[nSubZone].Max[1] ;
4678	flMinZ=m_pSubZones[nSubZone].Min[2] ;
4679	flMaxZ=m_pSubZones[nSubZone].Max[2] ;
4680
4681	// test all the lights to see if any have centers inside this subzone
4682	for(nSubLight=0 ; nSubLight<m_nSubLightMax ; nSubLight++)
4683	{
4684	// if light touches subzone (we store it in ZoneTouchesSubLight for now, will overwrite later)
4685	// if light AABB overlaps the zone AABB
4686	if(
4687	(flMinX<m_SubLight[nSubLight].Max[0]) && (flMaxX>m_SubLight[nSubLight].Min[0])
4688	&& (flMinY<m_SubLight[nSubLight].Max[1]) && (flMaxY>m_SubLight[nSubLight].Min[1])
4689	&& (flMinZ<m_SubLight[nSubLight].Max[2]) && (flMaxZ>m_SubLight[nSubLight].Min[2])
4690	)
4691	{
4692	// add this light to the zone's light list
4693	nIndex=m_nZoneTouchesSubLight[nZone][INDEX_LIGHTCOUNT] ;
4694	if(nIndex<MAX_LIGHTPERZONE) // only add if we aren't already maxed out.
4695	{
4696	// we need to check this light isn't already on the list.
4697	// it might have gotten on by another subzone, since a zone can have multiple subzones.
4698	nPos=-1 ;
4699	while((++nPos<nIndex) && (m_nZoneTouchesSubLight[nZone][nPos]!=nSubLight)) ;
4700
4701	if(nPos==nIndex) // this can only be true if we didn't already find nSubLight in the list
4702	{
4703	m_nZoneTouchesSubLight[nZone][nIndex]=nSubLight ;
4704	m_nZoneTouchesSubLight[nZone][INDEX_LIGHTCOUNT]++ ;
4705	}
4706
4707	}
4708
4709	}// end if overlap
4710
4711	}// end for nSubLight
4712
4713	}// end for nSubZone
4714
4715
4716
4717
4718
4719	return 1 ;
4720	}
4721
4722
4723	int Q3Map::AssignLightsToPortals(void)
4724	{
4725	float flMinX=0.0f ;
4726	float flMaxX=0.0f ;
4727	float flMinY=0.0f ;
4728	float flMaxY=0.0f ;
4729	float flMinZ=0.0f ;
4730	float flMaxZ=0.0f ;
4731	int nMaxPortal=m_iNumPortals ;
4732	int nPortal=0 ;
4733	int nMaxLight=m_nLightMax ;
4734	int nLight=0 ;
4735	int nIndex=0 ;
4736	int nPos=0 ;
4737
4738
4739
4740	// clear the light settings.
4741	for(nPortal=0 ; nPortal<nMaxPortal ; nPortal++)
4742	m_nPortalTouchesLight[nPortal][INDEX_PORTALLIGHTCOUNT]=0 ;
4743
4744	// now test each portal against each light to see if they touch
4745	for(nPortal=0 ; nPortal<nMaxPortal ; nPortal++)
4746	{
4747	flMinX=m_pPortals[nPortal].Min[0] ;
4748	flMaxX=m_pPortals[nPortal].Max[0] ;
4749	flMinY=m_pPortals[nPortal].Min[1] ;
4750	flMaxY=m_pPortals[nPortal].Max[1] ;
4751	flMinZ=m_pPortals[nPortal].Min[2] ;
4752	flMaxZ=m_pPortals[nPortal].Max[2] ;
4753
4754	// test all the lights to see if any touch this portal
4755	for(nLight=0 ; nLight<nMaxLight ; nLight++)
4756	{
4757
4758	// if light AABB overlaps the portal AABB
4759	if(
4760	(flMinX<m_pLight[nLight].Max[0]) && (flMaxX>m_pLight[nLight].Min[0])
4761	&& (flMinY<m_pLight[nLight].Max[1]) && (flMaxY>m_pLight[nLight].Min[1])
4762	&& (flMinZ<m_pLight[nLight].Max[2]) && (flMaxZ>m_pLight[nLight].Min[2])
4763	)
4764	{
4765
4766	// add this light to the portal's light list
4767	nIndex=m_nPortalTouchesLight[nPortal][INDEX_PORTALLIGHTCOUNT] ;
4768	if(nIndex<MAX_LIGHTPERPORTAL) // only add if we aren't already maxed out.
4769	{
4770	// we need to check this light isn't already on the list.
4771	// it might have gotten on by another subzone, since a zone can have multiple subzones.
4772	nPos=-1 ;
4773	while((++nPos<nIndex) && (m_nPortalTouchesLight[nPortal][nPos]!=nLight)) ;
4774
4775	if(nPos==nIndex) // this can only be true if we didn't already find nLight in the list
4776	{
4777	m_nPortalTouchesLight[nPortal][nIndex]=nLight ;
4778	m_nPortalTouchesLight[nPortal][INDEX_PORTALLIGHTCOUNT]++ ;
4779	}
4780	}
4781
4782	// we don't keep a list of the portals that a light touches, we don't use such a thing.
4783
4784	}// end if light touches portal
4785
4786	}// end for light
4787
4788	}// end for portal
4789
4790	return 1 ;
4791	}
4792
4793	// work out all the other zones each zone touches, via portals
4794	int Q3Map::AssignZonesToZones(void)
4795	{
4796
4797
4798	int nCentralZone=0 ;
4799	int nPortalZone=0 ;
4800	int nMaxPortalZone=0 ;
4801	int nPortalZoneIndex=0 ;
4802	int nPortal=0 ;
4803	int nPortalIndex=0 ;
4804	int nMaxPortal=0 ;
4805
4806	int nTouchZoneIndex=0 ;
4807	int nMaxTouchZone=0 ;
4808	int nAddZone=0 ;
4809
4810
4811	// scan through all the zones (consider them "central zones")
4812	for(nCentralZone=0 ; nCentralZone<m_nMaxZone ; nCentralZone++)
4813	{
4814	nMaxTouchZone=0 ;
4815
4816	// scan through all the portals in this centralzone.
4817	nMaxPortal=m_nZoneTouchesPortal[nCentralZone][INDEX_PORTALCOUNT] ;
4818	for(nPortalIndex=0 ; nPortalIndex<nMaxPortal; nPortalIndex++)
4819	{
4820	nPortal=m_nZoneTouchesPortal[nCentralZone][nPortalIndex] ;
4821
4822	// scan through all the zones this portal touches and add then to the central zone's list
4823	nMaxPortalZone=m_nPortalTouchesZone[nPortal][INDEX_PORTALZONECOUNT] ;
4824	for(nPortalZoneIndex=0 ; nPortalZoneIndex<nMaxPortalZone ; nPortalZoneIndex++)
4825	{
4826	nPortalZone=m_nPortalTouchesZone[nPortal][nPortalZoneIndex] ;
4827
4828	// we've got a portal zone.
4829	if(nPortalZone==nCentralZone) continue ; // if it's the central zone, skip it.
4830
4831	// check we don't already have it listed.
4832	nAddZone=1 ;
4833	for(nTouchZoneIndex=0 ; nTouchZoneIndex<nMaxTouchZone ; nTouchZoneIndex++)
4834	{
4835	if(m_nZoneTouchesPortal[nCentralZone][nTouchZoneIndex]==nPortalZone)
4836	{
4837	nAddZone=0 ;
4838	break ;
4839	}// end if
4840	}// end for nTouchZoneIndex
4841
4842	if(nAddZone)
4843	{
4844	m_nZoneTouchesZone[nCentralZone][nMaxTouchZone]=nPortalZone ;
4845	nMaxTouchZone++ ;
4846	if(nMaxTouchZone>=MAX_ZONEPERZONE)
4847	nMaxTouchZone=MAX_ZONEPERZONE-1 ;
4848
4849
4850	}
4851
4852
4853	}// end for portal zone index
4854
4855
4856	}// end for portal index
4857
4858	// set the maximum
4859	m_nZoneTouchesZone[nCentralZone][INDEX_ZONEPERZONECOUNT]=nMaxTouchZone ;
4860
4861	/*
4862	sprintf(m_chBug, "CentralZone %i, TouchedZoneCount %i", nCentralZone, m_nZoneTouchesPortal[nCentralZone][INDEX_ZONEPERZONECOUNT]) ;
4863	Q3Bug.LogAddCR(m_chBug) ;
4864	for(nTouchZoneIndex=0 ; nTouchZoneIndex<m_nZoneTouchesZone[nCentralZone][INDEX_ZONEPERZONECOUNT] ; nTouchZoneIndex++)
4865	{
4866	sprintf(m_chBug, " TouchedZone %i", m_nZoneTouchesZone[nCentralZone][nTouchZoneIndex]) ;
4867	Q3Bug.LogAddCR(m_chBug) ;
4868	}
4869	*/
4870
4871
4872	}// end for central zone
4873
4874
4875
4876
4877	return 1 ;
4878	}
4879
4880
4881

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