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OgreMaterialSerializer.cpp @ 6

Last change on this file since 6 was 5, checked in by anonymous, 17 years ago
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File size: 167.8 KB

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1	/*
2	-----------------------------------------------------------------------------
3	This source file is part of OGRE
4	(Object-oriented Graphics Rendering Engine)
5	For the latest info, see http://www.ogre3d.org
6
7	Copyright (c) 2000-2006 Torus Knot Software Ltd
8	Also see acknowledgements in Readme.html
9
10	This program is free software; you can redistribute it and/or modify it under
11	the terms of the GNU Lesser General Public License as published by the Free Software
12	Foundation; either version 2 of the License, or (at your option) any later
13	version.
14
15	This program is distributed in the hope that it will be useful, but WITHOUT
16	ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17	FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
18
19	You should have received a copy of the GNU Lesser General Public License along with
20	this program; if not, write to the Free Software Foundation, Inc., 59 Temple
21	Place - Suite 330, Boston, MA 02111-1307, USA, or go to
22	http://www.gnu.org/copyleft/lesser.txt.
23
24	You may alternatively use this source under the terms of a specific version of
25	the OGRE Unrestricted License provided you have obtained such a license from
26	Torus Knot Software Ltd.
27	-----------------------------------------------------------------------------
28	*/
29	#include "OgreStableHeaders.h"
30
31	#include "OgreMaterialSerializer.h"
32	#include "OgreStringConverter.h"
33	#include "OgreLogManager.h"
34	#include "OgreException.h"
35	#include "OgreTechnique.h"
36	#include "OgrePass.h"
37	#include "OgreTextureUnitState.h"
38	#include "OgreMaterialManager.h"
39	#include "OgreGpuProgramManager.h"
40	#include "OgreHighLevelGpuProgramManager.h"
41	#include "OgreExternalTextureSourceManager.h"
42
43	namespace Ogre
44	{
45
46	//-----------------------------------------------------------------------
47	// Internal parser methods
48	//-----------------------------------------------------------------------
49	void logParseError(const String& error, const MaterialScriptContext& context)
50	{
51	// log material name only if filename not specified
52	if (context.filename.empty() && !context.material.isNull())
53	{
54	LogManager::getSingleton().logMessage(
55	"Error in material " + context.material->getName() +
56	" : " + error);
57	}
58	else
59	{
60	if (!context.material.isNull())
61	{
62	LogManager::getSingleton().logMessage(
63	"Error in material " + context.material->getName() +
64	" at line " + StringConverter::toString(context.lineNo) +
65	" of " + context.filename + ": " + error);
66	}
67	else
68	{
69	LogManager::getSingleton().logMessage(
70	"Error at line " + StringConverter::toString(context.lineNo) +
71	" of " + context.filename + ": " + error);
72	}
73	}
74	}
75	//-----------------------------------------------------------------------
76	ColourValue _parseColourValue(StringVector& vecparams)
77	{
78	return ColourValue(
79	StringConverter::parseReal(vecparams[0]) ,
80	StringConverter::parseReal(vecparams[1]) ,
81	StringConverter::parseReal(vecparams[2]) ,
82	(vecparams.size()==4) ? StringConverter::parseReal(vecparams[3]) : 1.0f ) ;
83	}
84	//-----------------------------------------------------------------------
85	FilterOptions convertFiltering(const String& s)
86	{
87	if (s == "none")
88	{
89	return FO_NONE;
90	}
91	else if (s == "point")
92	{
93	return FO_POINT;
94	}
95	else if (s == "linear")
96	{
97	return FO_LINEAR;
98	}
99	else if (s == "anisotropic")
100	{
101	return FO_ANISOTROPIC;
102	}
103
104	return FO_POINT;
105	}
106	//-----------------------------------------------------------------------
107	bool parseAmbient(String& params, MaterialScriptContext& context)
108	{
109	StringVector vecparams = StringUtil::split(params, " \t");
110	// Must be 1, 3 or 4 parameters
111	if (vecparams.size() == 1) {
112	if(vecparams[0] == "vertexcolour") {
113	context.pass->setVertexColourTracking(context.pass->getVertexColourTracking() \| TVC_AMBIENT);
114	} else {
115	logParseError(
116	"Bad ambient attribute, single parameter flag must be 'vertexcolour'",
117	context);
118	}
119	}
120	else if (vecparams.size() == 3 \|\| vecparams.size() == 4)
121	{
122	context.pass->setAmbient( _parseColourValue(vecparams) );
123	context.pass->setVertexColourTracking(context.pass->getVertexColourTracking() & ~TVC_AMBIENT);
124	}
125	else
126	{
127	logParseError(
128	"Bad ambient attribute, wrong number of parameters (expected 1, 3 or 4)",
129	context);
130	}
131	return false;
132	}
133	//-----------------------------------------------------------------------
134	bool parseDiffuse(String& params, MaterialScriptContext& context)
135	{
136	StringVector vecparams = StringUtil::split(params, " \t");
137	// Must be 1, 3 or 4 parameters
138	if (vecparams.size() == 1) {
139	if(vecparams[0] == "vertexcolour") {
140	context.pass->setVertexColourTracking(context.pass->getVertexColourTracking() \| TVC_DIFFUSE);
141	} else {
142	logParseError(
143	"Bad diffuse attribute, single parameter flag must be 'vertexcolour'",
144	context);
145	}
146	}
147	else if (vecparams.size() == 3 \|\| vecparams.size() == 4)
148	{
149	context.pass->setDiffuse( _parseColourValue(vecparams) );
150	context.pass->setVertexColourTracking(context.pass->getVertexColourTracking() & ~TVC_DIFFUSE);
151	}
152	else
153	{
154	logParseError(
155	"Bad diffuse attribute, wrong number of parameters (expected 1, 3 or 4)",
156	context);
157	} return false;
158	}
159	//-----------------------------------------------------------------------
160	bool parseSpecular(String& params, MaterialScriptContext& context)
161	{
162	StringVector vecparams = StringUtil::split(params, " \t");
163	// Must be 2, 4 or 5 parameters
164	if(vecparams.size() == 2)
165	{
166	if(vecparams[0] == "vertexcolour") {
167	context.pass->setVertexColourTracking(context.pass->getVertexColourTracking() \| TVC_SPECULAR);
168	context.pass->setShininess(StringConverter::parseReal(vecparams[1]) );
169	}
170	else
171	{
172	logParseError(
173	"Bad specular attribute, double parameter statement must be 'vertexcolour <shininess>'",
174	context);
175	}
176	}
177	else if(vecparams.size() == 4 \|\| vecparams.size() == 5)
178	{
179	context.pass->setSpecular(
180	StringConverter::parseReal(vecparams[0]),
181	StringConverter::parseReal(vecparams[1]),
182	StringConverter::parseReal(vecparams[2]),
183	vecparams.size() == 5?
184	StringConverter::parseReal(vecparams[3]) : 1.0f);
185	context.pass->setVertexColourTracking(context.pass->getVertexColourTracking() & ~TVC_SPECULAR);
186	context.pass->setShininess(
187	StringConverter::parseReal(vecparams[vecparams.size() - 1]) );
188	}
189	else
190	{
191	logParseError(
192	"Bad specular attribute, wrong number of parameters (expected 2, 4 or 5)",
193	context);
194	}
195	return false;
196	}
197	//-----------------------------------------------------------------------
198	bool parseEmissive(String& params, MaterialScriptContext& context)
199	{
200	StringVector vecparams = StringUtil::split(params, " \t");
201	// Must be 1, 3 or 4 parameters
202	if (vecparams.size() == 1) {
203	if(vecparams[0] == "vertexcolour") {
204	context.pass->setVertexColourTracking(context.pass->getVertexColourTracking() \| TVC_EMISSIVE);
205	} else {
206	logParseError(
207	"Bad emissive attribute, single parameter flag must be 'vertexcolour'",
208	context);
209	}
210	}
211	else if (vecparams.size() == 3 \|\| vecparams.size() == 4)
212	{
213	context.pass->setSelfIllumination( _parseColourValue(vecparams) );
214	context.pass->setVertexColourTracking(context.pass->getVertexColourTracking() & ~TVC_EMISSIVE);
215	}
216	else
217	{
218	logParseError(
219	"Bad emissive attribute, wrong number of parameters (expected 1, 3 or 4)",
220	context);
221	}
222	return false;
223	}
224	//-----------------------------------------------------------------------
225	SceneBlendFactor convertBlendFactor(const String& param)
226	{
227	if (param == "one")
228	return SBF_ONE;
229	else if (param == "zero")
230	return SBF_ZERO;
231	else if (param == "dest_colour")
232	return SBF_DEST_COLOUR;
233	else if (param == "src_colour")
234	return SBF_SOURCE_COLOUR;
235	else if (param == "one_minus_dest_colour")
236	return SBF_ONE_MINUS_DEST_COLOUR;
237	else if (param == "one_minus_src_colour")
238	return SBF_ONE_MINUS_SOURCE_COLOUR;
239	else if (param == "dest_alpha")
240	return SBF_DEST_ALPHA;
241	else if (param == "src_alpha")
242	return SBF_SOURCE_ALPHA;
243	else if (param == "one_minus_dest_alpha")
244	return SBF_ONE_MINUS_DEST_ALPHA;
245	else if (param == "one_minus_src_alpha")
246	return SBF_ONE_MINUS_SOURCE_ALPHA;
247	else
248	{
249	OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, "Invalid blend factor.", "convertBlendFactor");
250	}
251
252
253	}
254	//-----------------------------------------------------------------------
255	bool parseSceneBlend(String& params, MaterialScriptContext& context)
256	{
257	StringUtil::toLowerCase(params);
258	StringVector vecparams = StringUtil::split(params, " \t");
259	// Should be 1 or 2 params
260	if (vecparams.size() == 1)
261	{
262	//simple
263	SceneBlendType stype;
264	if (vecparams[0] == "add")
265	stype = SBT_ADD;
266	else if (vecparams[0] == "modulate")
267	stype = SBT_MODULATE;
268	else if (vecparams[0] == "colour_blend")
269	stype = SBT_TRANSPARENT_COLOUR;
270	else if (vecparams[0] == "alpha_blend")
271	stype = SBT_TRANSPARENT_ALPHA;
272	else
273	{
274	logParseError(
275	"Bad scene_blend attribute, unrecognised parameter '" + vecparams[0] + "'",
276	context);
277	return false;
278	}
279	context.pass->setSceneBlending(stype);
280
281	}
282	else if (vecparams.size() == 2)
283	{
284	//src/dest
285	SceneBlendFactor src, dest;
286
287	try {
288	src = convertBlendFactor(vecparams[0]);
289	dest = convertBlendFactor(vecparams[1]);
290	context.pass->setSceneBlending(src,dest);
291	}
292	catch (Exception& e)
293	{
294	logParseError("Bad scene_blend attribute, " + e.getDescription(), context);
295	}
296
297	}
298	else
299	{
300	logParseError(
301	"Bad scene_blend attribute, wrong number of parameters (expected 1 or 2)",
302	context);
303	}
304
305	return false;
306
307	}
308	//-----------------------------------------------------------------------
309	CompareFunction convertCompareFunction(const String& param)
310	{
311	if (param == "always_fail")
312	return CMPF_ALWAYS_FAIL;
313	else if (param == "always_pass")
314	return CMPF_ALWAYS_PASS;
315	else if (param == "less")
316	return CMPF_LESS;
317	else if (param == "less_equal")
318	return CMPF_LESS_EQUAL;
319	else if (param == "equal")
320	return CMPF_EQUAL;
321	else if (param == "not_equal")
322	return CMPF_NOT_EQUAL;
323	else if (param == "greater_equal")
324	return CMPF_GREATER_EQUAL;
325	else if (param == "greater")
326	return CMPF_GREATER;
327	else
328	OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, "Invalid compare function", "convertCompareFunction");
329
330	}
331	//-----------------------------------------------------------------------
332	bool parseDepthCheck(String& params, MaterialScriptContext& context)
333	{
334	StringUtil::toLowerCase(params);
335	if (params == "on")
336	context.pass->setDepthCheckEnabled(true);
337	else if (params == "off")
338	context.pass->setDepthCheckEnabled(false);
339	else
340	logParseError(
341	"Bad depth_check attribute, valid parameters are 'on' or 'off'.",
342	context);
343
344	return false;
345	}
346	//-----------------------------------------------------------------------
347	bool parseDepthWrite(String& params, MaterialScriptContext& context)
348	{
349	StringUtil::toLowerCase(params);
350	if (params == "on")
351	context.pass->setDepthWriteEnabled(true);
352	else if (params == "off")
353	context.pass->setDepthWriteEnabled(false);
354	else
355	logParseError(
356	"Bad depth_write attribute, valid parameters are 'on' or 'off'.",
357	context);
358	return false;
359	}
360
361	//-----------------------------------------------------------------------
362	bool parseDepthFunc(String& params, MaterialScriptContext& context)
363	{
364	StringUtil::toLowerCase(params);
365	try {
366	CompareFunction func = convertCompareFunction(params);
367	context.pass->setDepthFunction(func);
368	}
369	catch (...)
370	{
371	logParseError("Bad depth_func attribute, invalid function parameter.", context);
372	}
373
374	return false;
375	}
376	//-----------------------------------------------------------------------
377	bool parseColourWrite(String& params, MaterialScriptContext& context)
378	{
379	StringUtil::toLowerCase(params);
380	if (params == "on")
381	context.pass->setColourWriteEnabled(true);
382	else if (params == "off")
383	context.pass->setColourWriteEnabled(false);
384	else
385	logParseError(
386	"Bad colour_write attribute, valid parameters are 'on' or 'off'.",
387	context);
388	return false;
389	}
390
391	//-----------------------------------------------------------------------
392	bool parseCullHardware(String& params, MaterialScriptContext& context)
393	{
394	StringUtil::toLowerCase(params);
395	if (params=="none")
396	context.pass->setCullingMode(CULL_NONE);
397	else if (params=="anticlockwise")
398	context.pass->setCullingMode(CULL_ANTICLOCKWISE);
399	else if (params=="clockwise")
400	context.pass->setCullingMode(CULL_CLOCKWISE);
401	else
402	logParseError(
403	"Bad cull_hardware attribute, valid parameters are "
404	"'none', 'clockwise' or 'anticlockwise'.", context);
405	return false;
406	}
407	//-----------------------------------------------------------------------
408	bool parseCullSoftware(String& params, MaterialScriptContext& context)
409	{
410	StringUtil::toLowerCase(params);
411	if (params=="none")
412	context.pass->setManualCullingMode(MANUAL_CULL_NONE);
413	else if (params=="back")
414	context.pass->setManualCullingMode(MANUAL_CULL_BACK);
415	else if (params=="front")
416	context.pass->setManualCullingMode(MANUAL_CULL_FRONT);
417	else
418	logParseError(
419	"Bad cull_software attribute, valid parameters are 'none', "
420	"'front' or 'back'.", context);
421	return false;
422	}
423	//-----------------------------------------------------------------------
424	bool parseLighting(String& params, MaterialScriptContext& context)
425	{
426	StringUtil::toLowerCase(params);
427	if (params=="on")
428	context.pass->setLightingEnabled(true);
429	else if (params=="off")
430	context.pass->setLightingEnabled(false);
431	else
432	logParseError(
433	"Bad lighting attribute, valid parameters are 'on' or 'off'.", context);
434	return false;
435	}
436	//-----------------------------------------------------------------------
437	bool parseMaxLights(String& params, MaterialScriptContext& context)
438	{
439	context.pass->setMaxSimultaneousLights(StringConverter::parseInt(params));
440	return false;
441	}
442	//-----------------------------------------------------------------------
443	bool parseStartLight(String& params, MaterialScriptContext& context)
444	{
445	context.pass->setStartLight(StringConverter::parseInt(params));
446	return false;
447	}
448	//-----------------------------------------------------------------------
449	void parseIterationLightTypes(String& params, MaterialScriptContext& context)
450	{
451	// Parse light type
452	if (params == "directional")
453	{
454	context.pass->setIteratePerLight(true, true, Light::LT_DIRECTIONAL);
455	}
456	else if (params == "point")
457	{
458	context.pass->setIteratePerLight(true, true, Light::LT_POINT);
459	}
460	else if (params == "spot")
461	{
462	context.pass->setIteratePerLight(true, true, Light::LT_SPOTLIGHT);
463	}
464	else
465	{
466	logParseError("Bad iteration attribute, valid values for light type parameter "
467	"are 'point' or 'directional' or 'spot'.", context);
468	}
469
470	}
471	//-----------------------------------------------------------------------
472	bool parseIteration(String& params, MaterialScriptContext& context)
473	{
474	// we could have more than one parameter
475	/** combinations could be:
476	iteration once
477	iteration once_per_light [light type]
478	iteration <number>
479	iteration <number> [per_light] [light type]
480	iteration <number> [per_n_lights] <num_lights> [light type]
481	*/
482	StringUtil::toLowerCase(params);
483	StringVector vecparams = StringUtil::split(params, " \t");
484	if (vecparams.size() < 1 \|\| vecparams.size() > 4)
485	{
486	logParseError("Bad iteration attribute, expected 1 to 3 parameters.", context);
487	return false;
488	}
489
490	if (vecparams[0]=="once")
491	context.pass->setIteratePerLight(false, false);
492	else if (vecparams[0]=="once_per_light")
493	{
494	if (vecparams.size() == 2)
495	{
496	parseIterationLightTypes(vecparams[1], context);
497	}
498	else
499	{
500	context.pass->setIteratePerLight(true, false);
501	}
502
503	}
504	else // could be using form: <number> [per_light] [light type]
505	{
506	int passIterationCount = StringConverter::parseInt(vecparams[0]);
507	if (passIterationCount > 0)
508	{
509	context.pass->setPassIterationCount(passIterationCount);
510	if (vecparams.size() > 1)
511	{
512	if (vecparams[1] == "per_light")
513	{
514	if (vecparams.size() == 3)
515	{
516	parseIterationLightTypes(vecparams[2], context);
517	}
518	else
519	{
520	context.pass->setIteratePerLight(true, false);
521	}
522	}
523	else if (vecparams[1] == "per_n_lights")
524	{
525	if (vecparams.size() < 3)
526	{
527	logParseError(
528	"Bad iteration attribute, expected number of lights.",
529	context);
530	}
531	else
532	{
533	// Parse num lights
534	context.pass->setLightCountPerIteration(
535	StringConverter::parseInt(vecparams[2]));
536	// Light type
537	if (vecparams.size() == 4)
538	{
539	parseIterationLightTypes(vecparams[3], context);
540	}
541	else
542	{
543	context.pass->setIteratePerLight(true, false);
544	}
545	}
546	}
547	else
548	logParseError(
549	"Bad iteration attribute, valid parameters are <number> [per_light\|per_n_lights <num_lights>] [light type].", context);
550	}
551	}
552	else
553	logParseError(
554	"Bad iteration attribute, valid parameters are 'once' or 'once_per_light' or <number> [per_light\|per_n_lights <num_lights>] [light type].", context);
555	}
556	return false;
557	}
558	//-----------------------------------------------------------------------
559	bool parsePointSize(String& params, MaterialScriptContext& context)
560	{
561	context.pass->setPointSize(StringConverter::parseReal(params));
562	return false;
563	}
564	//-----------------------------------------------------------------------
565	bool parsePointSprites(String& params, MaterialScriptContext& context)
566	{
567	if (params=="on")
568	context.pass->setPointSpritesEnabled(true);
569	else if (params=="off")
570	context.pass->setPointSpritesEnabled(false);
571	else
572	logParseError(
573	"Bad point_sprites attribute, valid parameters are 'on' or 'off'.", context);
574
575	return false;
576	}
577	//-----------------------------------------------------------------------
578	bool parsePointAttenuation(String& params, MaterialScriptContext& context)
579	{
580	StringVector vecparams = StringUtil::split(params, " \t");
581	if (vecparams.size() != 1 && vecparams.size() != 4)
582	{
583	logParseError("Bad point_size_attenuation attribute, 1 or 4 parameters expected", context);
584	return false;
585	}
586	if (vecparams[0] == "off")
587	{
588	context.pass->setPointAttenuation(false);
589	}
590	else if (vecparams[0] == "on")
591	{
592	if (vecparams.size() == 4)
593	{
594	context.pass->setPointAttenuation(true,
595	StringConverter::parseReal(vecparams[1]),
596	StringConverter::parseReal(vecparams[2]),
597	StringConverter::parseReal(vecparams[3]));
598	}
599	else
600	{
601	context.pass->setPointAttenuation(true);
602	}
603	}
604
605	return false;
606	}
607	//-----------------------------------------------------------------------
608	bool parsePointSizeMin(String& params, MaterialScriptContext& context)
609	{
610	context.pass->setPointMinSize(
611	StringConverter::parseReal(params));
612	return false;
613	}
614	//-----------------------------------------------------------------------
615	bool parsePointSizeMax(String& params, MaterialScriptContext& context)
616	{
617	context.pass->setPointMaxSize(
618	StringConverter::parseReal(params));
619	return false;
620	}
621	//-----------------------------------------------------------------------
622	bool parseFogging(String& params, MaterialScriptContext& context)
623	{
624	StringUtil::toLowerCase(params);
625	StringVector vecparams = StringUtil::split(params, " \t");
626	if (vecparams[0]=="true")
627	{
628	// if true, we need to see if they supplied all arguments, or just the 1... if just the one,
629	// Assume they want to disable the default fog from effecting this material.
630	if( vecparams.size() == 8 )
631	{
632	FogMode mFogtype;
633	if( vecparams[1] == "none" )
634	mFogtype = FOG_NONE;
635	else if( vecparams[1] == "linear" )
636	mFogtype = FOG_LINEAR;
637	else if( vecparams[1] == "exp" )
638	mFogtype = FOG_EXP;
639	else if( vecparams[1] == "exp2" )
640	mFogtype = FOG_EXP2;
641	else
642	{
643	logParseError(
644	"Bad fogging attribute, valid parameters are "
645	"'none', 'linear', 'exp', or 'exp2'.", context);
646	return false;
647	}
648
649	context.pass->setFog(
650	true,
651	mFogtype,
652	ColourValue(
653	StringConverter::parseReal(vecparams[2]),
654	StringConverter::parseReal(vecparams[3]),
655	StringConverter::parseReal(vecparams[4])),
656	StringConverter::parseReal(vecparams[5]),
657	StringConverter::parseReal(vecparams[6]),
658	StringConverter::parseReal(vecparams[7])
659	);
660	}
661	else
662	{
663	context.pass->setFog(true);
664	}
665	}
666	else if (vecparams[0]=="false")
667	context.pass->setFog(false);
668	else
669	logParseError(
670	"Bad fog_override attribute, valid parameters are 'true' or 'false'.",
671	context);
672
673	return false;
674	}
675	//-----------------------------------------------------------------------
676	bool parseShading(String& params, MaterialScriptContext& context)
677	{
678	StringUtil::toLowerCase(params);
679	if (params=="flat")
680	context.pass->setShadingMode(SO_FLAT);
681	else if (params=="gouraud")
682	context.pass->setShadingMode(SO_GOURAUD);
683	else if (params=="phong")
684	context.pass->setShadingMode(SO_PHONG);
685	else
686	logParseError("Bad shading attribute, valid parameters are 'flat', "
687	"'gouraud' or 'phong'.", context);
688
689	return false;
690	}
691	//-----------------------------------------------------------------------
692	bool parsePolygonMode(String& params, MaterialScriptContext& context)
693	{
694	StringUtil::toLowerCase(params);
695	if (params=="solid")
696	context.pass->setPolygonMode(PM_SOLID);
697	else if (params=="wireframe")
698	context.pass->setPolygonMode(PM_WIREFRAME);
699	else if (params=="points")
700	context.pass->setPolygonMode(PM_POINTS);
701	else
702	logParseError("Bad polygon_mode attribute, valid parameters are 'solid', "
703	"'wireframe' or 'points'.", context);
704
705	return false;
706	}
707	//-----------------------------------------------------------------------
708	bool parseFiltering(String& params, MaterialScriptContext& context)
709	{
710	StringUtil::toLowerCase(params);
711	StringVector vecparams = StringUtil::split(params, " \t");
712	// Must be 1 or 3 parameters
713	if (vecparams.size() == 1)
714	{
715	// Simple format
716	if (vecparams[0]=="none")
717	context.textureUnit->setTextureFiltering(TFO_NONE);
718	else if (vecparams[0]=="bilinear")
719	context.textureUnit->setTextureFiltering(TFO_BILINEAR);
720	else if (vecparams[0]=="trilinear")
721	context.textureUnit->setTextureFiltering(TFO_TRILINEAR);
722	else if (vecparams[0]=="anisotropic")
723	context.textureUnit->setTextureFiltering(TFO_ANISOTROPIC);
724	else
725	{
726	logParseError("Bad filtering attribute, valid parameters for simple format are "
727	"'none', 'bilinear', 'trilinear' or 'anisotropic'.", context);
728	return false;
729	}
730	}
731	else if (vecparams.size() == 3)
732	{
733	// Complex format
734	context.textureUnit->setTextureFiltering(
735	convertFiltering(vecparams[0]),
736	convertFiltering(vecparams[1]),
737	convertFiltering(vecparams[2]));
738
739
740	}
741	else
742	{
743	logParseError(
744	"Bad filtering attribute, wrong number of parameters (expected 1 or 3)",
745	context);
746	}
747
748	return false;
749	}
750	//-----------------------------------------------------------------------
751	// Texture layer attributes
752	bool parseTexture(String& params, MaterialScriptContext& context)
753	{
754	StringVector vecparams = StringUtil::split(params, " \t");
755	const size_t numParams = vecparams.size();
756	if (numParams > 5)
757	{
758	logParseError("Invalid texture attribute - expected only up to 5 parameters.",
759	context);
760	}
761	TextureType tt = TEX_TYPE_2D;
762	int mipmaps = MIP_DEFAULT; // When passed to TextureManager::load, this means default to default number of mipmaps
763	bool isAlpha = false;
764	PixelFormat desiredFormat = PF_UNKNOWN;
765	for (size_t p = 1; p < numParams; ++p)
766	{
767	StringUtil::toLowerCase(vecparams[p]);
768	if (vecparams[p] == "1d")
769	{
770	tt = TEX_TYPE_1D;
771	}
772	else if (vecparams[p] == "2d")
773	{
774	tt = TEX_TYPE_2D;
775	}
776	else if (vecparams[p] == "3d")
777	{
778	tt = TEX_TYPE_3D;
779	}
780	else if (vecparams[p] == "cubic")
781	{
782	tt = TEX_TYPE_CUBE_MAP;
783	}
784	else if (vecparams[p] == "unlimited")
785	{
786	mipmaps = MIP_UNLIMITED;
787	}
788	else if (StringConverter::isNumber(vecparams[p]))
789	{
790	mipmaps = StringConverter::parseInt(vecparams[p]);
791	}
792	else if (vecparams[p] == "alpha")
793	{
794	isAlpha = true;
795	}
796	else if ((desiredFormat = PixelUtil::getFormatFromName(vecparams[p], true)) != PF_UNKNOWN)
797	{
798	// nothing to do here
799	}
800	else
801	{
802	logParseError("Invalid texture option - "+vecparams[p]+".",
803	context);
804	}
805	}
806
807	context.textureUnit->setTextureName(vecparams[0], tt);
808	context.textureUnit->setNumMipmaps(mipmaps);
809	context.textureUnit->setIsAlpha(isAlpha);
810	context.textureUnit->setDesiredFormat(desiredFormat);
811	return false;
812	}
813	//---------------------------------------------------------------------
814	bool parseBindingType(String& params, MaterialScriptContext& context)
815	{
816	if (params == "fragment")
817	{
818	context.textureUnit->setBindingType(TextureUnitState::BT_FRAGMENT);
819	}
820	else if (params == "vertex")
821	{
822	context.textureUnit->setBindingType(TextureUnitState::BT_VERTEX);
823	}
824	else
825	{
826	logParseError("Invalid binding_type option - "+params+".",
827	context);
828	}
829	return false;
830	}
831	//-----------------------------------------------------------------------
832	bool parseAnimTexture(String& params, MaterialScriptContext& context)
833	{
834	StringVector vecparams = StringUtil::split(params, " \t");
835	size_t numParams = vecparams.size();
836	// Determine which form it is
837	// Must have at least 3 params though
838	if (numParams < 3)
839	{
840	logParseError("Bad anim_texture attribute, wrong number of parameters "
841	"(expected at least 3)", context);
842	return false;
843	}
844	if (numParams == 3 && StringConverter::parseInt(vecparams[1]) != 0 )
845	{
846	// First form using base name & number of frames
847	context.textureUnit->setAnimatedTextureName(
848	vecparams[0],
849	StringConverter::parseInt(vecparams[1]),
850	StringConverter::parseReal(vecparams[2]));
851	}
852	else
853	{
854	// Second form using individual names
855	context.textureUnit->setAnimatedTextureName(
856	(String*)&vecparams[0],
857	static_cast<unsigned int>(numParams-1),
858	StringConverter::parseReal(vecparams[numParams-1]));
859	}
860	return false;
861
862	}
863	//-----------------------------------------------------------------------
864	bool parseCubicTexture(String& params, MaterialScriptContext& context)
865	{
866
867	StringVector vecparams = StringUtil::split(params, " \t");
868	size_t numParams = vecparams.size();
869
870	// Get final param
871	bool useUVW;
872	String& uvOpt = vecparams[numParams-1];
873	StringUtil::toLowerCase(uvOpt);
874	if (uvOpt == "combineduvw")
875	useUVW = true;
876	else if (uvOpt == "separateuv")
877	useUVW = false;
878	else
879	{
880	logParseError("Bad cubic_texture attribute, final parameter must be "
881	"'combinedUVW' or 'separateUV'.", context);
882	return false;
883	}
884	// Determine which form it is
885	if (numParams == 2)
886	{
887	// First form using base name
888	context.textureUnit->setCubicTextureName(vecparams[0], useUVW);
889	}
890	else if (numParams == 7)
891	{
892	// Second form using individual names
893	// Can use vecparams[0] as array start point
894	context.textureUnit->setCubicTextureName((String*)&vecparams[0], useUVW);
895	}
896	else
897	{
898	logParseError(
899	"Bad cubic_texture attribute, wrong number of parameters (expected 2 or 7)",
900	context);
901	return false;
902	}
903
904	return false;
905	}
906	//-----------------------------------------------------------------------
907	bool parseTexCoord(String& params, MaterialScriptContext& context)
908	{
909	context.textureUnit->setTextureCoordSet(
910	StringConverter::parseInt(params));
911
912	return false;
913	}
914	//-----------------------------------------------------------------------
915	TextureUnitState::TextureAddressingMode convTexAddressMode(const String& params, MaterialScriptContext& context)
916	{
917	if (params=="wrap")
918	return TextureUnitState::TAM_WRAP;
919	else if (params=="mirror")
920	return TextureUnitState::TAM_MIRROR;
921	else if (params=="clamp")
922	return TextureUnitState::TAM_CLAMP;
923	else if (params=="border")
924	return TextureUnitState::TAM_BORDER;
925	else
926	logParseError("Bad tex_address_mode attribute, valid parameters are "
927	"'wrap', 'mirror', 'clamp' or 'border'.", context);
928	// default
929	return TextureUnitState::TAM_WRAP;
930	}
931	//-----------------------------------------------------------------------
932	bool parseTexAddressMode(String& params, MaterialScriptContext& context)
933	{
934	StringUtil::toLowerCase(params);
935
936	StringVector vecparams = StringUtil::split(params, " \t");
937	size_t numParams = vecparams.size();
938
939	if (numParams > 3 \|\| numParams < 1)
940	{
941	logParseError("Invalid number of parameters to tex_address_mode"
942	" - must be between 1 and 3", context);
943	}
944	if (numParams == 1)
945	{
946	// Single-parameter option
947	context.textureUnit->setTextureAddressingMode(
948	convTexAddressMode(vecparams[0], context));
949	}
950	else
951	{
952	// 2-3 parameter option
953	TextureUnitState::UVWAddressingMode uvw;
954	uvw.u = convTexAddressMode(vecparams[0], context);
955	uvw.v = convTexAddressMode(vecparams[1], context);
956	if (numParams == 3)
957	{
958	// w
959	uvw.w = convTexAddressMode(vecparams[2], context);
960	}
961	else
962	{
963	uvw.w = TextureUnitState::TAM_WRAP;
964	}
965	context.textureUnit->setTextureAddressingMode(uvw);
966	}
967	return false;
968	}
969	//-----------------------------------------------------------------------
970	bool parseTexBorderColour(String& params, MaterialScriptContext& context)
971	{
972	StringVector vecparams = StringUtil::split(params, " \t");
973	// Must be 3 or 4 parameters
974	if (vecparams.size() == 3 \|\| vecparams.size() == 4)
975	{
976	context.textureUnit->setTextureBorderColour( _parseColourValue(vecparams) );
977	}
978	else
979	{
980	logParseError(
981	"Bad tex_border_colour attribute, wrong number of parameters (expected 3 or 4)",
982	context);
983	}
984	return false;
985	}
986	//-----------------------------------------------------------------------
987	bool parseColourOp(String& params, MaterialScriptContext& context)
988	{
989	StringUtil::toLowerCase(params);
990	if (params=="replace")
991	context.textureUnit->setColourOperation(LBO_REPLACE);
992	else if (params=="add")
993	context.textureUnit->setColourOperation(LBO_ADD);
994	else if (params=="modulate")
995	context.textureUnit->setColourOperation(LBO_MODULATE);
996	else if (params=="alpha_blend")
997	context.textureUnit->setColourOperation(LBO_ALPHA_BLEND);
998	else
999	logParseError("Bad colour_op attribute, valid parameters are "
1000	"'replace', 'add', 'modulate' or 'alpha_blend'.", context);
1001
1002	return false;
1003	}
1004	//-----------------------------------------------------------------------
1005	bool parseAlphaRejection(String& params, MaterialScriptContext& context)
1006	{
1007	StringUtil::toLowerCase(params);
1008	StringVector vecparams = StringUtil::split(params, " \t");
1009	if (vecparams.size() != 2)
1010	{
1011	logParseError(
1012	"Bad alpha_rejection attribute, wrong number of parameters (expected 2)",
1013	context);
1014	return false;
1015	}
1016
1017	CompareFunction cmp;
1018	try {
1019	cmp = convertCompareFunction(vecparams[0]);
1020	}
1021	catch (...)
1022	{
1023	logParseError("Bad alpha_rejection attribute, invalid compare function.", context);
1024	return false;
1025	}
1026
1027	context.pass->setAlphaRejectSettings(cmp, StringConverter::parseInt(vecparams[1]));
1028
1029	return false;
1030	}
1031	//-----------------------------------------------------------------------
1032	LayerBlendOperationEx convertBlendOpEx(const String& param)
1033	{
1034	if (param == "source1")
1035	return LBX_SOURCE1;
1036	else if (param == "source2")
1037	return LBX_SOURCE2;
1038	else if (param == "modulate")
1039	return LBX_MODULATE;
1040	else if (param == "modulate_x2")
1041	return LBX_MODULATE_X2;
1042	else if (param == "modulate_x4")
1043	return LBX_MODULATE_X4;
1044	else if (param == "add")
1045	return LBX_ADD;
1046	else if (param == "add_signed")
1047	return LBX_ADD_SIGNED;
1048	else if (param == "add_smooth")
1049	return LBX_ADD_SMOOTH;
1050	else if (param == "subtract")
1051	return LBX_SUBTRACT;
1052	else if (param == "blend_diffuse_colour")
1053	return LBX_BLEND_DIFFUSE_COLOUR;
1054	else if (param == "blend_diffuse_alpha")
1055	return LBX_BLEND_DIFFUSE_ALPHA;
1056	else if (param == "blend_texture_alpha")
1057	return LBX_BLEND_TEXTURE_ALPHA;
1058	else if (param == "blend_current_alpha")
1059	return LBX_BLEND_CURRENT_ALPHA;
1060	else if (param == "blend_manual")
1061	return LBX_BLEND_MANUAL;
1062	else if (param == "dotproduct")
1063	return LBX_DOTPRODUCT;
1064	else
1065	OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, "Invalid blend function", "convertBlendOpEx");
1066	}
1067	//-----------------------------------------------------------------------
1068	LayerBlendSource convertBlendSource(const String& param)
1069	{
1070	if (param == "src_current")
1071	return LBS_CURRENT;
1072	else if (param == "src_texture")
1073	return LBS_TEXTURE;
1074	else if (param == "src_diffuse")
1075	return LBS_DIFFUSE;
1076	else if (param == "src_specular")
1077	return LBS_SPECULAR;
1078	else if (param == "src_manual")
1079	return LBS_MANUAL;
1080	else
1081	OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, "Invalid blend source", "convertBlendSource");
1082	}
1083	//-----------------------------------------------------------------------
1084	bool parseColourOpEx(String& params, MaterialScriptContext& context)
1085	{
1086	StringUtil::toLowerCase(params);
1087	StringVector vecparams = StringUtil::split(params, " \t");
1088	size_t numParams = vecparams.size();
1089
1090	if (numParams < 3 \|\| numParams > 10)
1091	{
1092	logParseError(
1093	"Bad colour_op_ex attribute, wrong number of parameters (expected 3 to 10)",
1094	context);
1095	return false;
1096	}
1097	LayerBlendOperationEx op;
1098	LayerBlendSource src1, src2;
1099	Real manual = 0.0;
1100	ColourValue colSrc1 = ColourValue::White;
1101	ColourValue colSrc2 = ColourValue::White;
1102
1103	try {
1104	op = convertBlendOpEx(vecparams[0]);
1105	src1 = convertBlendSource(vecparams[1]);
1106	src2 = convertBlendSource(vecparams[2]);
1107
1108	if (op == LBX_BLEND_MANUAL)
1109	{
1110	if (numParams < 4)
1111	{
1112	logParseError("Bad colour_op_ex attribute, wrong number of parameters "
1113	"(expected 4 for manual blend)", context);
1114	return false;
1115	}
1116	manual = StringConverter::parseReal(vecparams[3]);
1117	}
1118
1119	if (src1 == LBS_MANUAL)
1120	{
1121	unsigned int parIndex = 3;
1122	if (op == LBX_BLEND_MANUAL)
1123	parIndex++;
1124
1125	if (numParams < parIndex + 3)
1126	{
1127	logParseError("Bad colour_op_ex attribute, wrong number of parameters "
1128	"(expected " + StringConverter::toString(parIndex + 3) + ")", context);
1129	return false;
1130	}
1131
1132	colSrc1.r = StringConverter::parseReal(vecparams[parIndex++]);
1133	colSrc1.g = StringConverter::parseReal(vecparams[parIndex++]);
1134	colSrc1.b = StringConverter::parseReal(vecparams[parIndex++]);
1135	if (numParams > parIndex)
1136	{
1137	colSrc1.a = StringConverter::parseReal(vecparams[parIndex]);
1138	}
1139	else
1140	{
1141	colSrc1.a = 1.0f;
1142	}
1143	}
1144
1145	if (src2 == LBS_MANUAL)
1146	{
1147	unsigned int parIndex = 3;
1148	if (op == LBX_BLEND_MANUAL)
1149	parIndex++;
1150	if (src1 == LBS_MANUAL)
1151	parIndex += 3;
1152
1153	if (numParams < parIndex + 3)
1154	{
1155	logParseError("Bad colour_op_ex attribute, wrong number of parameters "
1156	"(expected " + StringConverter::toString(parIndex + 3) + ")", context);
1157	return false;
1158	}
1159
1160	colSrc2.r = StringConverter::parseReal(vecparams[parIndex++]);
1161	colSrc2.g = StringConverter::parseReal(vecparams[parIndex++]);
1162	colSrc2.b = StringConverter::parseReal(vecparams[parIndex++]);
1163	if (numParams > parIndex)
1164	{
1165	colSrc2.a = StringConverter::parseReal(vecparams[parIndex]);
1166	}
1167	else
1168	{
1169	colSrc2.a = 1.0f;
1170	}
1171	}
1172	}
1173	catch (Exception& e)
1174	{
1175	logParseError("Bad colour_op_ex attribute, " + e.getDescription(), context);
1176	return false;
1177	}
1178
1179	context.textureUnit->setColourOperationEx(op, src1, src2, colSrc1, colSrc2, manual);
1180	return false;
1181	}
1182	//-----------------------------------------------------------------------
1183	bool parseColourOpFallback(String& params, MaterialScriptContext& context)
1184	{
1185	StringUtil::toLowerCase(params);
1186	StringVector vecparams = StringUtil::split(params, " \t");
1187	if (vecparams.size() != 2)
1188	{
1189	logParseError("Bad colour_op_multipass_fallback attribute, wrong number "
1190	"of parameters (expected 2)", context);
1191	return false;
1192	}
1193
1194	//src/dest
1195	SceneBlendFactor src, dest;
1196
1197	try {
1198	src = convertBlendFactor(vecparams[0]);
1199	dest = convertBlendFactor(vecparams[1]);
1200	context.textureUnit->setColourOpMultipassFallback(src,dest);
1201	}
1202	catch (Exception& e)
1203	{
1204	logParseError("Bad colour_op_multipass_fallback attribute, "
1205	+ e.getDescription(), context);
1206	}
1207	return false;
1208	}
1209	//-----------------------------------------------------------------------
1210	bool parseAlphaOpEx(String& params, MaterialScriptContext& context)
1211	{
1212	StringUtil::toLowerCase(params);
1213	StringVector vecparams = StringUtil::split(params, " \t");
1214	size_t numParams = vecparams.size();
1215	if (numParams < 3 \|\| numParams > 6)
1216	{
1217	logParseError("Bad alpha_op_ex attribute, wrong number of parameters "
1218	"(expected 3 to 6)", context);
1219	return false;
1220	}
1221	LayerBlendOperationEx op;
1222	LayerBlendSource src1, src2;
1223	Real manual = 0.0;
1224	Real arg1 = 1.0, arg2 = 1.0;
1225
1226	try {
1227	op = convertBlendOpEx(vecparams[0]);
1228	src1 = convertBlendSource(vecparams[1]);
1229	src2 = convertBlendSource(vecparams[2]);
1230	if (op == LBX_BLEND_MANUAL)
1231	{
1232	if (numParams != 4)
1233	{
1234	logParseError("Bad alpha_op_ex attribute, wrong number of parameters "
1235	"(expected 4 for manual blend)", context);
1236	return false;
1237	}
1238	manual = StringConverter::parseReal(vecparams[3]);
1239	}
1240	if (src1 == LBS_MANUAL)
1241	{
1242	unsigned int parIndex = 3;
1243	if (op == LBX_BLEND_MANUAL)
1244	parIndex++;
1245
1246	if (numParams < parIndex)
1247	{
1248	logParseError(
1249	"Bad alpha_op_ex attribute, wrong number of parameters (expected " +
1250	StringConverter::toString(parIndex - 1) + ")", context);
1251	return false;
1252	}
1253
1254	arg1 = StringConverter::parseReal(vecparams[parIndex]);
1255	}
1256
1257	if (src2 == LBS_MANUAL)
1258	{
1259	unsigned int parIndex = 3;
1260	if (op == LBX_BLEND_MANUAL)
1261	parIndex++;
1262	if (src1 == LBS_MANUAL)
1263	parIndex++;
1264
1265	if (numParams < parIndex)
1266	{
1267	logParseError(
1268	"Bad alpha_op_ex attribute, wrong number of parameters "
1269	"(expected " + StringConverter::toString(parIndex - 1) + ")", context);
1270	return false;
1271	}
1272
1273	arg2 = StringConverter::parseReal(vecparams[parIndex]);
1274	}
1275	}
1276	catch (Exception& e)
1277	{
1278	logParseError("Bad alpha_op_ex attribute, " + e.getDescription(), context);
1279	return false;
1280	}
1281
1282	context.textureUnit->setAlphaOperation(op, src1, src2, arg1, arg2, manual);
1283	return false;
1284	}
1285	//-----------------------------------------------------------------------
1286	bool parseEnvMap(String& params, MaterialScriptContext& context)
1287	{
1288	StringUtil::toLowerCase(params);
1289	if (params=="off")
1290	context.textureUnit->setEnvironmentMap(false);
1291	else if (params=="spherical")
1292	context.textureUnit->setEnvironmentMap(true, TextureUnitState::ENV_CURVED);
1293	else if (params=="planar")
1294	context.textureUnit->setEnvironmentMap(true, TextureUnitState::ENV_PLANAR);
1295	else if (params=="cubic_reflection")
1296	context.textureUnit->setEnvironmentMap(true, TextureUnitState::ENV_REFLECTION);
1297	else if (params=="cubic_normal")
1298	context.textureUnit->setEnvironmentMap(true, TextureUnitState::ENV_NORMAL);
1299	else
1300	logParseError("Bad env_map attribute, valid parameters are 'off', "
1301	"'spherical', 'planar', 'cubic_reflection' and 'cubic_normal'.", context);
1302
1303	return false;
1304	}
1305	//-----------------------------------------------------------------------
1306	bool parseScroll(String& params, MaterialScriptContext& context)
1307	{
1308	StringVector vecparams = StringUtil::split(params, " \t");
1309	if (vecparams.size() != 2)
1310	{
1311	logParseError("Bad scroll attribute, wrong number of parameters (expected 2)", context);
1312	return false;
1313	}
1314	context.textureUnit->setTextureScroll(
1315	StringConverter::parseReal(vecparams[0]),
1316	StringConverter::parseReal(vecparams[1]));
1317
1318
1319	return false;
1320	}
1321	//-----------------------------------------------------------------------
1322	bool parseScrollAnim(String& params, MaterialScriptContext& context)
1323	{
1324	StringVector vecparams = StringUtil::split(params, " \t");
1325	if (vecparams.size() != 2)
1326	{
1327	logParseError("Bad scroll_anim attribute, wrong number of "
1328	"parameters (expected 2)", context);
1329	return false;
1330	}
1331	context.textureUnit->setScrollAnimation(
1332	StringConverter::parseReal(vecparams[0]),
1333	StringConverter::parseReal(vecparams[1]));
1334
1335	return false;
1336	}
1337	//-----------------------------------------------------------------------
1338	bool parseRotate(String& params, MaterialScriptContext& context)
1339	{
1340	context.textureUnit->setTextureRotate(
1341	StringConverter::parseAngle(params));
1342
1343	return false;
1344	}
1345	//-----------------------------------------------------------------------
1346	bool parseRotateAnim(String& params, MaterialScriptContext& context)
1347	{
1348	context.textureUnit->setRotateAnimation(
1349	StringConverter::parseReal(params));
1350
1351	return false;
1352	}
1353	//-----------------------------------------------------------------------
1354	bool parseScale(String& params, MaterialScriptContext& context)
1355	{
1356	StringVector vecparams = StringUtil::split(params, " \t");
1357	if (vecparams.size() != 2)
1358	{
1359	logParseError("Bad scale attribute, wrong number of parameters (expected 2)", context);
1360	return false;
1361	}
1362	context.textureUnit->setTextureScale(
1363	StringConverter::parseReal(vecparams[0]),
1364	StringConverter::parseReal(vecparams[1]));
1365
1366	return false;
1367	}
1368	//-----------------------------------------------------------------------
1369	bool parseWaveXform(String& params, MaterialScriptContext& context)
1370	{
1371	StringUtil::toLowerCase(params);
1372	StringVector vecparams = StringUtil::split(params, " \t");
1373
1374	if (vecparams.size() != 6)
1375	{
1376	logParseError("Bad wave_xform attribute, wrong number of parameters "
1377	"(expected 6)", context);
1378	return false;
1379	}
1380	TextureUnitState::TextureTransformType ttype;
1381	WaveformType waveType;
1382	// Check transform type
1383	if (vecparams[0]=="scroll_x")
1384	ttype = TextureUnitState::TT_TRANSLATE_U;
1385	else if (vecparams[0]=="scroll_y")
1386	ttype = TextureUnitState::TT_TRANSLATE_V;
1387	else if (vecparams[0]=="rotate")
1388	ttype = TextureUnitState::TT_ROTATE;
1389	else if (vecparams[0]=="scale_x")
1390	ttype = TextureUnitState::TT_SCALE_U;
1391	else if (vecparams[0]=="scale_y")
1392	ttype = TextureUnitState::TT_SCALE_V;
1393	else
1394	{
1395	logParseError("Bad wave_xform attribute, parameter 1 must be 'scroll_x', "
1396	"'scroll_y', 'rotate', 'scale_x' or 'scale_y'", context);
1397	return false;
1398	}
1399	// Check wave type
1400	if (vecparams[1]=="sine")
1401	waveType = WFT_SINE;
1402	else if (vecparams[1]=="triangle")
1403	waveType = WFT_TRIANGLE;
1404	else if (vecparams[1]=="square")
1405	waveType = WFT_SQUARE;
1406	else if (vecparams[1]=="sawtooth")
1407	waveType = WFT_SAWTOOTH;
1408	else if (vecparams[1]=="inverse_sawtooth")
1409	waveType = WFT_INVERSE_SAWTOOTH;
1410	else
1411	{
1412	logParseError("Bad wave_xform attribute, parameter 2 must be 'sine', "
1413	"'triangle', 'square', 'sawtooth' or 'inverse_sawtooth'", context);
1414	return false;
1415	}
1416
1417	context.textureUnit->setTransformAnimation(
1418	ttype,
1419	waveType,
1420	StringConverter::parseReal(vecparams[2]),
1421	StringConverter::parseReal(vecparams[3]),
1422	StringConverter::parseReal(vecparams[4]),
1423	StringConverter::parseReal(vecparams[5]) );
1424
1425	return false;
1426	}
1427	//-----------------------------------------------------------------------
1428	bool parseTransform(String& params, MaterialScriptContext& context)
1429	{
1430	StringVector vecparams = StringUtil::split(params, " \t");
1431	if (vecparams.size() != 16)
1432	{
1433	logParseError("Bad transform attribute, wrong number of parameters (expected 16)", context);
1434	return false;
1435	}
1436	Matrix4 xform(
1437	StringConverter::parseReal(vecparams[0]),
1438	StringConverter::parseReal(vecparams[1]),
1439	StringConverter::parseReal(vecparams[2]),
1440	StringConverter::parseReal(vecparams[3]),
1441	StringConverter::parseReal(vecparams[4]),
1442	StringConverter::parseReal(vecparams[5]),
1443	StringConverter::parseReal(vecparams[6]),
1444	StringConverter::parseReal(vecparams[7]),
1445	StringConverter::parseReal(vecparams[8]),
1446	StringConverter::parseReal(vecparams[9]),
1447	StringConverter::parseReal(vecparams[10]),
1448	StringConverter::parseReal(vecparams[11]),
1449	StringConverter::parseReal(vecparams[12]),
1450	StringConverter::parseReal(vecparams[13]),
1451	StringConverter::parseReal(vecparams[14]),
1452	StringConverter::parseReal(vecparams[15]) );
1453	context.textureUnit->setTextureTransform(xform);
1454
1455
1456	return false;
1457	}
1458	//-----------------------------------------------------------------------
1459	bool parseDepthBias(String& params, MaterialScriptContext& context)
1460	{
1461	StringVector vecparams = StringUtil::split(params, " \t");
1462
1463	float constantBias = static_cast<float>(StringConverter::parseReal(vecparams[0]));
1464	float slopeScaleBias = 0.0f;
1465	if (vecparams.size() > 1)
1466	{
1467	slopeScaleBias = static_cast<float>(StringConverter::parseReal(vecparams[1]));
1468	}
1469	context.pass->setDepthBias(constantBias, slopeScaleBias);
1470
1471	return false;
1472	}
1473	//-----------------------------------------------------------------------
1474	bool parseAnisotropy(String& params, MaterialScriptContext& context)
1475	{
1476	context.textureUnit->setTextureAnisotropy(
1477	StringConverter::parseInt(params));
1478
1479	return false;
1480	}
1481	//-----------------------------------------------------------------------
1482	bool parseTextureAlias(String& params, MaterialScriptContext& context)
1483	{
1484	context.textureUnit->setTextureNameAlias(params);
1485
1486	return false;
1487	}
1488	//-----------------------------------------------------------------------
1489	bool parseMipmapBias(String& params, MaterialScriptContext& context)
1490	{
1491	context.textureUnit->setTextureMipmapBias(
1492	(float)StringConverter::parseReal(params));
1493
1494	return false;
1495	}
1496	//-----------------------------------------------------------------------
1497	bool parseContentType(String& params, MaterialScriptContext& context)
1498	{
1499	if (params == "named")
1500	{
1501	context.textureUnit->setContentType(TextureUnitState::CONTENT_NAMED);
1502	}
1503	else if (params == "shadow")
1504	{
1505	context.textureUnit->setContentType(TextureUnitState::CONTENT_SHADOW);
1506	}
1507	else
1508	{
1509	logParseError("Invalid content_type specified.", context);
1510	}
1511	return false;
1512	}
1513	//-----------------------------------------------------------------------
1514	bool parseLodDistances(String& params, MaterialScriptContext& context)
1515	{
1516	StringVector vecparams = StringUtil::split(params, " \t");
1517
1518	// iterate over the parameters and parse distances out of them
1519	Material::LodDistanceList lodList;
1520	StringVector::iterator i, iend;
1521	iend = vecparams.end();
1522	for (i = vecparams.begin(); i != iend; ++i)
1523	{
1524	lodList.push_back(StringConverter::parseReal(*i));
1525	}
1526
1527	context.material->setLodLevels(lodList);
1528
1529	return false;
1530	}
1531	//-----------------------------------------------------------------------
1532	bool parseLodIndex(String& params, MaterialScriptContext& context)
1533	{
1534	context.technique->setLodIndex(StringConverter::parseInt(params));
1535	return false;
1536	}
1537	//-----------------------------------------------------------------------
1538	bool parseScheme(String& params, MaterialScriptContext& context)
1539	{
1540	context.technique->setSchemeName(params);
1541	return false;
1542	}
1543	//-----------------------------------------------------------------------
1544	bool parseSetTextureAlias(String& params, MaterialScriptContext& context)
1545	{
1546	StringVector vecparams = StringUtil::split(params, " \t");
1547	if (vecparams.size() != 2)
1548	{
1549	logParseError("Wrong number of parameters for texture_alias, expected 2", context);
1550	return false;
1551	}
1552	// first parameter is alias name and second paramater is texture name
1553	context.textureAliases[vecparams[0]] = vecparams[1];
1554
1555	return false;
1556	}
1557
1558	//-----------------------------------------------------------------------
1559	void processManualProgramParam(bool isNamed, const String commandname,
1560	StringVector& vecparams, MaterialScriptContext& context,
1561	size_t index = 0, const String& paramName = StringUtil::BLANK)
1562	{
1563	// NB we assume that the first element of vecparams is taken up with either
1564	// the index or the parameter name, which we ignore
1565
1566	// Determine type
1567	size_t start, dims, roundedDims, i;
1568	bool isReal;
1569	bool isMatrix4x4 = false;
1570
1571	StringUtil::toLowerCase(vecparams[1]);
1572
1573	if (vecparams[1] == "matrix4x4")
1574	{
1575	dims = 16;
1576	isReal = true;
1577	isMatrix4x4 = true;
1578	}
1579	else if ((start = vecparams[1].find("float")) != String::npos)
1580	{
1581	// find the dimensionality
1582	start = vecparams[1].find_first_not_of("float");
1583	// Assume 1 if not specified
1584	if (start == String::npos)
1585	{
1586	dims = 1;
1587	}
1588	else
1589	{
1590	dims = StringConverter::parseInt(vecparams[1].substr(start));
1591	}
1592	isReal = true;
1593	}
1594	else if ((start = vecparams[1].find("int")) != String::npos)
1595	{
1596	// find the dimensionality
1597	start = vecparams[1].find_first_not_of("int");
1598	// Assume 1 if not specified
1599	if (start == String::npos)
1600	{
1601	dims = 1;
1602	}
1603	else
1604	{
1605	dims = StringConverter::parseInt(vecparams[1].substr(start));
1606	}
1607	isReal = false;
1608	}
1609	else
1610	{
1611	logParseError("Invalid " + commandname + " attribute - unrecognised "
1612	"parameter type " + vecparams[1], context);
1613	return;
1614	}
1615
1616	if (vecparams.size() != 2 + dims)
1617	{
1618	logParseError("Invalid " + commandname + " attribute - you need " +
1619	StringConverter::toString(2 + dims) + " parameters for a parameter of "
1620	"type " + vecparams[1], context);
1621	}
1622
1623	// clear any auto parameter bound to this constant, it would override this setting
1624	// can cause problems overriding materials or changing default params
1625	if (isNamed)
1626	context.programParams->clearNamedAutoConstant(paramName);
1627	else
1628	context.programParams->clearAutoConstant(index);
1629
1630
1631	// Round dims to multiple of 4
1632	if (dims %4 != 0)
1633	{
1634	roundedDims = dims + 4 - (dims % 4);
1635	}
1636	else
1637	{
1638	roundedDims = dims;
1639	}
1640
1641	// Now parse all the values
1642	if (isReal)
1643	{
1644	Real* realBuffer = new Real[roundedDims];
1645	// Do specified values
1646	for (i = 0; i < dims; ++i)
1647	{
1648	realBuffer[i] = StringConverter::parseReal(vecparams[i+2]);
1649	}
1650	// Fill up to multiple of 4 with zero
1651	for (; i < roundedDims; ++i)
1652	{
1653	realBuffer[i] = 0.0f;
1654
1655	}
1656
1657	if (isMatrix4x4)
1658	{
1659	// its a Matrix4x4 so pass as a Matrix4
1660	// use specialized setConstant that takes a matrix so matrix is transposed if required
1661	Matrix4 m4x4(
1662	realBuffer[0], realBuffer[1], realBuffer[2], realBuffer[3],
1663	realBuffer[4], realBuffer[5], realBuffer[6], realBuffer[7],
1664	realBuffer[8], realBuffer[9], realBuffer[10], realBuffer[11],
1665	realBuffer[12], realBuffer[13], realBuffer[14], realBuffer[15]
1666	);
1667	if (isNamed)
1668	context.programParams->setNamedConstant(paramName, m4x4);
1669	else
1670	context.programParams->setConstant(index, m4x4);
1671	}
1672	else
1673	{
1674	// Set
1675	if (isNamed)
1676	{
1677	// For named, only set up to the precise number of elements
1678	// (no rounding to 4 elements)
1679	// GLSL can support sub-float4 elements and we support that
1680	// in the buffer now. Note how we set the 'multiple' param to 1
1681	context.programParams->setNamedConstant(paramName, realBuffer,
1682	dims, 1);
1683	}
1684	else
1685	{
1686	context.programParams->setConstant(index, realBuffer,
1687	static_cast<size_t>(roundedDims * 0.25));
1688	}
1689
1690	}
1691
1692
1693	delete [] realBuffer;
1694	}
1695	else
1696	{
1697	int* intBuffer = new int[roundedDims];
1698	// Do specified values
1699	for (i = 0; i < dims; ++i)
1700	{
1701	intBuffer[i] = StringConverter::parseInt(vecparams[i+2]);
1702	}
1703	// Fill to multiple of 4 with 0
1704	for (; i < roundedDims; ++i)
1705	{
1706	intBuffer[i] = 0;
1707	}
1708	// Set
1709	if (isNamed)
1710	{
1711	// For named, only set up to the precise number of elements
1712	// (no rounding to 4 elements)
1713	// GLSL can support sub-float4 elements and we support that
1714	// in the buffer now. Note how we set the 'multiple' param to 1
1715	context.programParams->setNamedConstant(paramName, intBuffer,
1716	dims, 1);
1717	}
1718	else
1719	{
1720	context.programParams->setConstant(index, intBuffer,
1721	static_cast<size_t>(roundedDims * 0.25));
1722	}
1723	delete [] intBuffer;
1724	}
1725	}
1726	//-----------------------------------------------------------------------
1727	void processAutoProgramParam(bool isNamed, const String& commandname,
1728	StringVector& vecparams, MaterialScriptContext& context,
1729	size_t index = 0, const String& paramName = StringUtil::BLANK)
1730	{
1731	// NB we assume that the first element of vecparams is taken up with either
1732	// the index or the parameter name, which we ignore
1733
1734	// make sure param is in lower case
1735	StringUtil::toLowerCase(vecparams[1]);
1736
1737	// lookup the param to see if its a valid auto constant
1738	const GpuProgramParameters::AutoConstantDefinition* autoConstantDef =
1739	context.programParams->getAutoConstantDefinition(vecparams[1]);
1740
1741	// exit with error msg if the auto constant definition wasn't found
1742	if (!autoConstantDef)
1743	{
1744	logParseError("Invalid " + commandname + " attribute - "
1745	+ vecparams[1], context);
1746	return;
1747	}
1748
1749	// add AutoConstant based on the type of data it uses
1750	switch (autoConstantDef->dataType)
1751	{
1752	case GpuProgramParameters::ACDT_NONE:
1753	if (isNamed)
1754	context.programParams->setNamedAutoConstant(paramName, autoConstantDef->acType, 0);
1755	else
1756	context.programParams->setAutoConstant(index, autoConstantDef->acType, 0);
1757	break;
1758
1759	case GpuProgramParameters::ACDT_INT:
1760	{
1761	// Special case animation_parametric, we need to keep track of number of times used
1762	if (autoConstantDef->acType == GpuProgramParameters::ACT_ANIMATION_PARAMETRIC)
1763	{
1764	if (isNamed)
1765	context.programParams->setNamedAutoConstant(
1766	paramName, autoConstantDef->acType, context.numAnimationParametrics++);
1767	else
1768	context.programParams->setAutoConstant(
1769	index, autoConstantDef->acType, context.numAnimationParametrics++);
1770	}
1771	// Special case texture projector - assume 0 if data not specified
1772	else if (autoConstantDef->acType == GpuProgramParameters::ACT_TEXTURE_VIEWPROJ_MATRIX
1773	&& vecparams.size() == 2)
1774	{
1775	if (isNamed)
1776	context.programParams->setNamedAutoConstant(
1777	paramName, autoConstantDef->acType, 0);
1778	else
1779	context.programParams->setAutoConstant(
1780	index, autoConstantDef->acType, 0);
1781
1782	}
1783	else
1784	{
1785
1786	if (vecparams.size() != 3)
1787	{
1788	logParseError("Invalid " + commandname + " attribute - "
1789	"expected 3 parameters.", context);
1790	return;
1791	}
1792
1793	size_t extraParam = StringConverter::parseInt(vecparams[2]);
1794	if (isNamed)
1795	context.programParams->setNamedAutoConstant(
1796	paramName, autoConstantDef->acType, extraParam);
1797	else
1798	context.programParams->setAutoConstant(
1799	index, autoConstantDef->acType, extraParam);
1800	}
1801	}
1802	break;
1803
1804	case GpuProgramParameters::ACDT_REAL:
1805	{
1806	// special handling for time
1807	if (autoConstantDef->acType == GpuProgramParameters::ACT_TIME \|\|
1808	autoConstantDef->acType == GpuProgramParameters::ACT_FRAME_TIME)
1809	{
1810	Real factor = 1.0f;
1811	if (vecparams.size() == 3)
1812	{
1813	factor = StringConverter::parseReal(vecparams[2]);
1814	}
1815
1816	if (isNamed)
1817	context.programParams->setNamedAutoConstantReal(paramName,
1818	autoConstantDef->acType, factor);
1819	else
1820	context.programParams->setAutoConstantReal(index,
1821	autoConstantDef->acType, factor);
1822	}
1823	else // normal processing for auto constants that take an extra real value
1824	{
1825	if (vecparams.size() != 3)
1826	{
1827	logParseError("Invalid " + commandname + " attribute - "
1828	"expected 3 parameters.", context);
1829	return;
1830	}
1831
1832	Real rData = StringConverter::parseReal(vecparams[2]);
1833	if (isNamed)
1834	context.programParams->setNamedAutoConstantReal(paramName,
1835	autoConstantDef->acType, rData);
1836	else
1837	context.programParams->setAutoConstantReal(index,
1838	autoConstantDef->acType, rData);
1839	}
1840	}
1841	break;
1842
1843	} // end switch
1844
1845
1846	}
1847
1848	//-----------------------------------------------------------------------
1849	bool parseParamIndexed(String& params, MaterialScriptContext& context)
1850	{
1851	// NB skip this if the program is not supported or could not be found
1852	if (context.program.isNull() \|\| !context.program->isSupported())
1853	{
1854	return false;
1855	}
1856
1857	StringUtil::toLowerCase(params);
1858	StringVector vecparams = StringUtil::split(params, " \t");
1859	if (vecparams.size() < 3)
1860	{
1861	logParseError("Invalid param_indexed attribute - expected at least 3 parameters.",
1862	context);
1863	return false;
1864	}
1865
1866	// Get start index
1867	size_t index = StringConverter::parseInt(vecparams[0]);
1868
1869	processManualProgramParam(false, "param_indexed", vecparams, context, index);
1870
1871	return false;
1872	}
1873	//-----------------------------------------------------------------------
1874	bool parseParamIndexedAuto(String& params, MaterialScriptContext& context)
1875	{
1876	// NB skip this if the program is not supported or could not be found
1877	if (context.program.isNull() \|\| !context.program->isSupported())
1878	{
1879	return false;
1880	}
1881
1882	StringUtil::toLowerCase(params);
1883	StringVector vecparams = StringUtil::split(params, " \t");
1884	if (vecparams.size() != 2 && vecparams.size() != 3)
1885	{
1886	logParseError("Invalid param_indexed_auto attribute - expected 2 or 3 parameters.",
1887	context);
1888	return false;
1889	}
1890
1891	// Get start index
1892	size_t index = StringConverter::parseInt(vecparams[0]);
1893
1894	processAutoProgramParam(false, "param_indexed_auto", vecparams, context, index);
1895
1896	return false;
1897	}
1898	//-----------------------------------------------------------------------
1899	bool parseParamNamed(String& params, MaterialScriptContext& context)
1900	{
1901	// NB skip this if the program is not supported or could not be found
1902	if (context.program.isNull() \|\| !context.program->isSupported())
1903	{
1904	return false;
1905	}
1906
1907	StringVector vecparams = StringUtil::split(params, " \t");
1908	if (vecparams.size() < 3)
1909	{
1910	logParseError("Invalid param_named attribute - expected at least 3 parameters.",
1911	context);
1912	return false;
1913	}
1914
1915	try {
1916	const GpuConstantDefinition& def =
1917	context.programParams->getConstantDefinition(vecparams[0]);
1918	}
1919	catch (Exception& e)
1920	{
1921	logParseError("Invalid param_named attribute - " + e.getDescription(), context);
1922	return false;
1923	}
1924
1925	processManualProgramParam(true, "param_named", vecparams, context, 0, vecparams[0]);
1926
1927	return false;
1928	}
1929	//-----------------------------------------------------------------------
1930	bool parseParamNamedAuto(String& params, MaterialScriptContext& context)
1931	{
1932	// NB skip this if the program is not supported or could not be found
1933	if (context.program.isNull() \|\| !context.program->isSupported())
1934	{
1935	return false;
1936	}
1937
1938	StringVector vecparams = StringUtil::split(params, " \t");
1939	if (vecparams.size() != 2 && vecparams.size() != 3)
1940	{
1941	logParseError("Invalid param_indexed_auto attribute - expected 2 or 3 parameters.",
1942	context);
1943	return false;
1944	}
1945
1946	// Get start index from name
1947	try {
1948	const GpuConstantDefinition& def =
1949	context.programParams->getConstantDefinition(vecparams[0]);
1950	}
1951	catch (Exception& e)
1952	{
1953	logParseError("Invalid param_named_auto attribute - " + e.getDescription(), context);
1954	return false;
1955	}
1956
1957	processAutoProgramParam(true, "param_named_auto", vecparams, context, 0, vecparams[0]);
1958
1959	return false;
1960	}
1961	//-----------------------------------------------------------------------
1962	bool parseMaterial(String& params, MaterialScriptContext& context)
1963	{
1964	// nfz:
1965	// check params for reference to parent material to copy from
1966	// syntax: material name : parentMaterialName
1967	// check params for a colon after the first name and extract the parent name
1968	StringVector vecparams = StringUtil::split(params, ":", 1);
1969	MaterialPtr basematerial;
1970
1971	// Create a brand new material
1972	if (vecparams.size() >= 2)
1973	{
1974	// if a second parameter exists then assume its the name of the base material
1975	// that this new material should clone from
1976	StringUtil::trim(vecparams[1]);
1977	// make sure base material exists
1978	basematerial = MaterialManager::getSingleton().getByName(vecparams[1]);
1979	// if it doesn't exist then report error in log and just create a new material
1980	if (basematerial.isNull())
1981	{
1982	logParseError("parent material: " + vecparams[1] + " not found for new material:"
1983	+ vecparams[0], context);
1984	}
1985	}
1986
1987	// get rid of leading and trailing white space from material name
1988	StringUtil::trim(vecparams[0]);
1989
1990	context.material =
1991	MaterialManager::getSingleton().create(vecparams[0], context.groupName);
1992
1993	if (!basematerial.isNull())
1994	{
1995	// copy parent material details to new material
1996	basematerial->copyDetailsTo(context.material);
1997	}
1998	else
1999	{
2000	// Remove pre-created technique from defaults
2001	context.material->removeAllTechniques();
2002	}
2003
2004	context.material->_notifyOrigin(context.filename);
2005
2006	// update section
2007	context.section = MSS_MATERIAL;
2008
2009	// Return TRUE because this must be followed by a {
2010	return true;
2011	}
2012	//-----------------------------------------------------------------------
2013	bool parseTechnique(String& params, MaterialScriptContext& context)
2014	{
2015
2016	// if params is not empty then see if the technique name already exists
2017	if (!params.empty() && (context.material->getNumTechniques() > 0))
2018	{
2019	// find the technique with name = params
2020	Technique * foundTechnique = context.material->getTechnique(params);
2021	if (foundTechnique)
2022	{
2023	// figure out technique index by iterating through technique container
2024	// would be nice if each technique remembered its index
2025	int count = 0;
2026	Material::TechniqueIterator i = context.material->getTechniqueIterator();
2027	while(i.hasMoreElements())
2028	{
2029	if (foundTechnique == i.peekNext())
2030	break;
2031	i.moveNext();
2032	++count;
2033	}
2034
2035	context.techLev = count;
2036	}
2037	else
2038	{
2039	// name was not found so a new technique is needed
2040	// position technique level to the end index
2041	// a new technique will be created later on
2042	context.techLev = context.material->getNumTechniques();
2043	}
2044
2045	}
2046	else
2047	{
2048	// no name was given in the script so a new technique will be created
2049	// Increase technique level depth
2050	++context.techLev;
2051	}
2052
2053	// Create a new technique if it doesn't already exist
2054	if (context.material->getNumTechniques() > context.techLev)
2055	{
2056	context.technique = context.material->getTechnique(context.techLev);
2057	}
2058	else
2059	{
2060	context.technique = context.material->createTechnique();
2061	if (!params.empty())
2062	context.technique->setName(params);
2063	}
2064
2065	// update section
2066	context.section = MSS_TECHNIQUE;
2067
2068	// Return TRUE because this must be followed by a {
2069	return true;
2070	}
2071	//-----------------------------------------------------------------------
2072	bool parsePass(String& params, MaterialScriptContext& context)
2073	{
2074	// if params is not empty then see if the pass name already exists
2075	if (!params.empty() && (context.technique->getNumPasses() > 0))
2076	{
2077	// find the pass with name = params
2078	Pass * foundPass = context.technique->getPass(params);
2079	if (foundPass)
2080	{
2081	context.passLev = foundPass->getIndex();
2082	}
2083	else
2084	{
2085	// name was not found so a new pass is needed
2086	// position pass level to the end index
2087	// a new pass will be created later on
2088	context.passLev = context.technique->getNumPasses();
2089	}
2090
2091	}
2092	else
2093	{
2094	//Increase pass level depth
2095	++context.passLev;
2096	}
2097
2098	if (context.technique->getNumPasses() > context.passLev)
2099	{
2100	context.pass = context.technique->getPass(context.passLev);
2101	}
2102	else
2103	{
2104	// Create a new pass
2105	context.pass = context.technique->createPass();
2106	if (!params.empty())
2107	context.pass->setName(params);
2108	}
2109
2110	// update section
2111	context.section = MSS_PASS;
2112
2113	// Return TRUE because this must be followed by a {
2114	return true;
2115	}
2116	//-----------------------------------------------------------------------
2117	bool parseTextureUnit(String& params, MaterialScriptContext& context)
2118	{
2119	// if params is a name then see if that texture unit exists
2120	// if not then log the warning and just move on to the next TU from current
2121	if (!params.empty() && (context.pass->getNumTextureUnitStates() > 0))
2122	{
2123	// specifying a TUS name in the script for a TU means that a specific TU is being requested
2124	// try to get the specific TU
2125	// if the index requested is not valid, just creat a new TU
2126	// find the TUS with name = params
2127	TextureUnitState * foundTUS = context.pass->getTextureUnitState(params);
2128	if (foundTUS)
2129	{
2130	context.stateLev = context.pass->getTextureUnitStateIndex(foundTUS);
2131	}
2132	else
2133	{
2134	// name was not found so a new TUS is needed
2135	// position TUS level to the end index
2136	// a new TUS will be created later on
2137	context.stateLev = static_cast<int>(context.pass->getNumTextureUnitStates());
2138	}
2139	}
2140	else
2141	{
2142	//Increase Texture Unit State level depth
2143	++context.stateLev;
2144	}
2145
2146	if (context.pass->getNumTextureUnitStates() > static_cast<size_t>(context.stateLev))
2147	{
2148	context.textureUnit = context.pass->getTextureUnitState(context.stateLev);
2149	}
2150	else
2151	{
2152	// Create a new texture unit
2153	context.textureUnit = context.pass->createTextureUnitState();
2154	if (!params.empty())
2155	context.textureUnit->setName(params);
2156	}
2157	// update section
2158	context.section = MSS_TEXTUREUNIT;
2159
2160	// Return TRUE because this must be followed by a {
2161	return true;
2162	}
2163
2164	//-----------------------------------------------------------------------
2165	bool parseVertexProgramRef(String& params, MaterialScriptContext& context)
2166	{
2167	// update section
2168	context.section = MSS_PROGRAM_REF;
2169
2170	// check if pass has a vertex program already
2171	if (context.pass->hasVertexProgram())
2172	{
2173	// if existing pass vertex program has same name as params
2174	// or params is empty then use current vertex program
2175	if (params.empty() \|\| (context.pass->getVertexProgramName() == params))
2176	{
2177	context.program = context.pass->getVertexProgram();
2178	}
2179	}
2180
2181	// if context.program was not set then try to get the vertex program using the name
2182	// passed in params
2183	if (context.program.isNull())
2184	{
2185	context.program = GpuProgramManager::getSingleton().getByName(params);
2186	if (context.program.isNull())
2187	{
2188	// Unknown program
2189	logParseError("Invalid vertex_program_ref entry - vertex program "
2190	+ params + " has not been defined.", context);
2191	return true;
2192	}
2193
2194	// Set the vertex program for this pass
2195	context.pass->setVertexProgram(params);
2196	}
2197
2198	context.isProgramShadowCaster = false;
2199	context.isVertexProgramShadowReceiver = false;
2200	context.isFragmentProgramShadowReceiver = false;
2201
2202	// Create params? Skip this if program is not supported
2203	if (context.program->isSupported())
2204	{
2205	context.programParams = context.pass->getVertexProgramParameters();
2206	context.numAnimationParametrics = 0;
2207	}
2208
2209	// Return TRUE because this must be followed by a {
2210	return true;
2211	}
2212	//-----------------------------------------------------------------------
2213	bool parseShadowCasterVertexProgramRef(String& params, MaterialScriptContext& context)
2214	{
2215	// update section
2216	context.section = MSS_PROGRAM_REF;
2217
2218	context.program = GpuProgramManager::getSingleton().getByName(params);
2219	if (context.program.isNull())
2220	{
2221	// Unknown program
2222	logParseError("Invalid shadow_caster_vertex_program_ref entry - vertex program "
2223	+ params + " has not been defined.", context);
2224	return true;
2225	}
2226
2227	context.isProgramShadowCaster = true;
2228	context.isVertexProgramShadowReceiver = false;
2229	context.isFragmentProgramShadowReceiver = false;
2230
2231	// Set the vertex program for this pass
2232	context.pass->setShadowCasterVertexProgram(params);
2233
2234	// Create params? Skip this if program is not supported
2235	if (context.program->isSupported())
2236	{
2237	context.programParams = context.pass->getShadowCasterVertexProgramParameters();
2238	context.numAnimationParametrics = 0;
2239	}
2240
2241	// Return TRUE because this must be followed by a {
2242	return true;
2243	}
2244	//-----------------------------------------------------------------------
2245	bool parseShadowReceiverVertexProgramRef(String& params, MaterialScriptContext& context)
2246	{
2247	// update section
2248	context.section = MSS_PROGRAM_REF;
2249
2250	context.program = GpuProgramManager::getSingleton().getByName(params);
2251	if (context.program.isNull())
2252	{
2253	// Unknown program
2254	logParseError("Invalid shadow_receiver_vertex_program_ref entry - vertex program "
2255	+ params + " has not been defined.", context);
2256	return true;
2257	}
2258
2259
2260	context.isProgramShadowCaster = false;
2261	context.isVertexProgramShadowReceiver = true;
2262	context.isFragmentProgramShadowReceiver = false;
2263
2264	// Set the vertex program for this pass
2265	context.pass->setShadowReceiverVertexProgram(params);
2266
2267	// Create params? Skip this if program is not supported
2268	if (context.program->isSupported())
2269	{
2270	context.programParams = context.pass->getShadowReceiverVertexProgramParameters();
2271	context.numAnimationParametrics = 0;
2272	}
2273
2274	// Return TRUE because this must be followed by a {
2275	return true;
2276	}
2277	//-----------------------------------------------------------------------
2278	bool parseShadowReceiverFragmentProgramRef(String& params, MaterialScriptContext& context)
2279	{
2280	// update section
2281	context.section = MSS_PROGRAM_REF;
2282
2283	context.program = GpuProgramManager::getSingleton().getByName(params);
2284	if (context.program.isNull())
2285	{
2286	// Unknown program
2287	logParseError("Invalid shadow_receiver_fragment_program_ref entry - fragment program "
2288	+ params + " has not been defined.", context);
2289	return true;
2290	}
2291
2292
2293	context.isProgramShadowCaster = false;
2294	context.isVertexProgramShadowReceiver = false;
2295	context.isFragmentProgramShadowReceiver = true;
2296
2297	// Set the vertex program for this pass
2298	context.pass->setShadowReceiverFragmentProgram(params);
2299
2300	// Create params? Skip this if program is not supported
2301	if (context.program->isSupported())
2302	{
2303	context.programParams = context.pass->getShadowReceiverFragmentProgramParameters();
2304	context.numAnimationParametrics = 0;
2305	}
2306
2307	// Return TRUE because this must be followed by a {
2308	return true;
2309	}
2310	//-----------------------------------------------------------------------
2311	bool parseFragmentProgramRef(String& params, MaterialScriptContext& context)
2312	{
2313	// update section
2314	context.section = MSS_PROGRAM_REF;
2315
2316	// check if pass has a fragment program already
2317	if (context.pass->hasFragmentProgram())
2318	{
2319	// if existing pass fragment program has same name as params
2320	// or params is empty then use current fragment program
2321	if (params.empty() \|\| (context.pass->getFragmentProgramName() == params))
2322	{
2323	context.program = context.pass->getFragmentProgram();
2324	}
2325	}
2326
2327	// if context.program was not set then try to get the fragment program using the name
2328	// passed in params
2329	if (context.program.isNull())
2330	{
2331	context.program = GpuProgramManager::getSingleton().getByName(params);
2332	if (context.program.isNull())
2333	{
2334	// Unknown program
2335	logParseError("Invalid fragment_program_ref entry - fragment program "
2336	+ params + " has not been defined.", context);
2337	return true;
2338	}
2339
2340	// Set the vertex program for this pass
2341	context.pass->setFragmentProgram(params);
2342	}
2343
2344	// Create params? Skip this if program is not supported
2345	if (context.program->isSupported())
2346	{
2347	context.programParams = context.pass->getFragmentProgramParameters();
2348	context.numAnimationParametrics = 0;
2349	}
2350
2351	// Return TRUE because this must be followed by a {
2352	return true;
2353	}
2354	//-----------------------------------------------------------------------
2355	bool parseVertexProgram(String& params, MaterialScriptContext& context)
2356	{
2357	// update section
2358	context.section = MSS_PROGRAM;
2359
2360	// Create new program definition-in-progress
2361	context.programDef = new MaterialScriptProgramDefinition();
2362	context.programDef->progType = GPT_VERTEX_PROGRAM;
2363	context.programDef->supportsSkeletalAnimation = false;
2364	context.programDef->supportsMorphAnimation = false;
2365	context.programDef->supportsPoseAnimation = 0;
2366	context.programDef->usesVertexTextureFetch = false;
2367
2368	// Get name and language code
2369	StringVector vecparams = StringUtil::split(params, " \t");
2370	if (vecparams.size() != 2)
2371	{
2372	logParseError("Invalid vertex_program entry - expected "
2373	"2 parameters.", context);
2374	return true;
2375	}
2376	// Name, preserve case
2377	context.programDef->name = vecparams[0];
2378	// language code, make lower case
2379	context.programDef->language = vecparams[1];
2380	StringUtil::toLowerCase(context.programDef->language);
2381
2382	// Return TRUE because this must be followed by a {
2383	return true;
2384	}
2385	//-----------------------------------------------------------------------
2386	bool parseFragmentProgram(String& params, MaterialScriptContext& context)
2387	{
2388	// update section
2389	context.section = MSS_PROGRAM;
2390
2391	// Create new program definition-in-progress
2392	context.programDef = new MaterialScriptProgramDefinition();
2393	context.programDef->progType = GPT_FRAGMENT_PROGRAM;
2394	context.programDef->supportsSkeletalAnimation = false;
2395	context.programDef->supportsMorphAnimation = false;
2396	context.programDef->supportsPoseAnimation = 0;
2397	context.programDef->usesVertexTextureFetch = false;
2398
2399	// Get name and language code
2400	StringVector vecparams = StringUtil::split(params, " \t");
2401	if (vecparams.size() != 2)
2402	{
2403	logParseError("Invalid fragment_program entry - expected "
2404	"2 parameters.", context);
2405	return true;
2406	}
2407	// Name, preserve case
2408	context.programDef->name = vecparams[0];
2409	// language code, make lower case
2410	context.programDef->language = vecparams[1];
2411	StringUtil::toLowerCase(context.programDef->language);
2412
2413	// Return TRUE because this must be followed by a {
2414	return true;
2415
2416	}
2417	//-----------------------------------------------------------------------
2418	bool parseProgramSource(String& params, MaterialScriptContext& context)
2419	{
2420	// Source filename, preserve case
2421	context.programDef->source = params;
2422
2423	return false;
2424	}
2425	//-----------------------------------------------------------------------
2426	bool parseProgramSkeletalAnimation(String& params, MaterialScriptContext& context)
2427	{
2428	// Source filename, preserve case
2429	context.programDef->supportsSkeletalAnimation
2430	= StringConverter::parseBool(params);
2431
2432	return false;
2433	}
2434	//-----------------------------------------------------------------------
2435	bool parseProgramMorphAnimation(String& params, MaterialScriptContext& context)
2436	{
2437	// Source filename, preserve case
2438	context.programDef->supportsMorphAnimation
2439	= StringConverter::parseBool(params);
2440
2441	return false;
2442	}
2443	//-----------------------------------------------------------------------
2444	bool parseProgramPoseAnimation(String& params, MaterialScriptContext& context)
2445	{
2446	// Source filename, preserve case
2447	context.programDef->supportsPoseAnimation
2448	= StringConverter::parseInt(params);
2449
2450	return false;
2451	}
2452	//-----------------------------------------------------------------------
2453	bool parseProgramVertexTextureFetch(String& params, MaterialScriptContext& context)
2454	{
2455	// Source filename, preserve case
2456	context.programDef->usesVertexTextureFetch
2457	= StringConverter::parseBool(params);
2458
2459	return false;
2460	}
2461	//-----------------------------------------------------------------------
2462	bool parseProgramSyntax(String& params, MaterialScriptContext& context)
2463	{
2464	// Syntax code, make lower case
2465	StringUtil::toLowerCase(params);
2466	context.programDef->syntax = params;
2467
2468	return false;
2469	}
2470	//-----------------------------------------------------------------------
2471	bool parseProgramCustomParameter(String& params, MaterialScriptContext& context)
2472	{
2473	// This params object does not have the command stripped
2474	// Lower case the command, but not the value incase it's relevant
2475	// Split only up to first delimiter, program deals with the rest
2476	StringVector vecparams = StringUtil::split(params, " \t", 1);
2477	if (vecparams.size() != 2)
2478	{
2479	logParseError("Invalid custom program parameter entry; "
2480	"there must be a parameter name and at least one value.",
2481	context);
2482	return false;
2483	}
2484
2485	context.programDef->customParameters.push_back(
2486	std::pair<String, String>(vecparams[0], vecparams[1]));
2487
2488	return false;
2489	}
2490
2491	//-----------------------------------------------------------------------
2492	bool parseTextureSource(String& params, MaterialScriptContext& context)
2493	{
2494	StringUtil::toLowerCase(params);
2495	StringVector vecparams = StringUtil::split(params, " \t");
2496	if (vecparams.size() != 1)
2497	logParseError("Invalid texture source attribute - expected 1 parameter.", context);
2498	//The only param should identify which ExternalTextureSource is needed
2499	ExternalTextureSourceManager::getSingleton().setCurrentPlugIn( vecparams[0] );
2500
2501	if( ExternalTextureSourceManager::getSingleton().getCurrentPlugIn() != 0 )
2502	{
2503	String tps;
2504	tps = StringConverter::toString( context.techLev ) + " "
2505	+ StringConverter::toString( context.passLev ) + " "
2506	+ StringConverter::toString( context.stateLev);
2507
2508	ExternalTextureSourceManager::getSingleton().getCurrentPlugIn()->setParameter( "set_T_P_S", tps );
2509	}
2510
2511	// update section
2512	context.section = MSS_TEXTURESOURCE;
2513	// Return TRUE because this must be followed by a {
2514	return true;
2515	}
2516
2517	//-----------------------------------------------------------------------
2518	bool parseTextureCustomParameter(String& params, MaterialScriptContext& context)
2519	{
2520	// This params object does not have the command stripped
2521	// Split only up to first delimiter, program deals with the rest
2522	StringVector vecparams = StringUtil::split(params, " \t", 1);
2523	if (vecparams.size() != 2)
2524	{
2525	logParseError("Invalid texture parameter entry; "
2526	"there must be a parameter name and at least one value.",
2527	context);
2528	return false;
2529	}
2530
2531	if( ExternalTextureSourceManager::getSingleton().getCurrentPlugIn() != 0 )
2532	////First is command, next could be a string with one or more values
2533	ExternalTextureSourceManager::getSingleton().getCurrentPlugIn()->setParameter( vecparams[0], vecparams[1] );
2534
2535	return false;
2536	}
2537	//-----------------------------------------------------------------------
2538	bool parseReceiveShadows(String& params, MaterialScriptContext& context)
2539	{
2540	StringUtil::toLowerCase(params);
2541	if (params == "on")
2542	context.material->setReceiveShadows(true);
2543	else if (params == "off")
2544	context.material->setReceiveShadows(false);
2545	else
2546	logParseError(
2547	"Bad receive_shadows attribute, valid parameters are 'on' or 'off'.",
2548	context);
2549
2550	return false;
2551
2552	}
2553	//-----------------------------------------------------------------------
2554	bool parseDefaultParams(String& params, MaterialScriptContext& context)
2555	{
2556	context.section = MSS_DEFAULT_PARAMETERS;
2557	// Should be a brace next
2558	return true;
2559	}
2560
2561	//-----------------------------------------------------------------------
2562	bool parseTransparencyCastsShadows(String& params, MaterialScriptContext& context)
2563	{
2564	StringUtil::toLowerCase(params);
2565	if (params == "on")
2566	context.material->setTransparencyCastsShadows(true);
2567	else if (params == "off")
2568	context.material->setTransparencyCastsShadows(false);
2569	else
2570	logParseError(
2571	"Bad transparency_casts_shadows attribute, valid parameters are 'on' or 'off'.",
2572	context);
2573
2574	return false;
2575
2576	}
2577	//-----------------------------------------------------------------------
2578	//-----------------------------------------------------------------------
2579	MaterialSerializer::MaterialSerializer()
2580	{
2581	// Set up root attribute parsers
2582	mRootAttribParsers.insert(AttribParserList::value_type("material", (ATTRIBUTE_PARSER)parseMaterial));
2583	mRootAttribParsers.insert(AttribParserList::value_type("vertex_program", (ATTRIBUTE_PARSER)parseVertexProgram));
2584	mRootAttribParsers.insert(AttribParserList::value_type("fragment_program", (ATTRIBUTE_PARSER)parseFragmentProgram));
2585
2586	// Set up material attribute parsers
2587	mMaterialAttribParsers.insert(AttribParserList::value_type("lod_distances", (ATTRIBUTE_PARSER)parseLodDistances));
2588	mMaterialAttribParsers.insert(AttribParserList::value_type("receive_shadows", (ATTRIBUTE_PARSER)parseReceiveShadows));
2589	mMaterialAttribParsers.insert(AttribParserList::value_type("transparency_casts_shadows", (ATTRIBUTE_PARSER)parseTransparencyCastsShadows));
2590	mMaterialAttribParsers.insert(AttribParserList::value_type("technique", (ATTRIBUTE_PARSER)parseTechnique));
2591	mMaterialAttribParsers.insert(AttribParserList::value_type("set_texture_alias", (ATTRIBUTE_PARSER)parseSetTextureAlias));
2592
2593	// Set up technique attribute parsers
2594	mTechniqueAttribParsers.insert(AttribParserList::value_type("lod_index", (ATTRIBUTE_PARSER)parseLodIndex));
2595	mTechniqueAttribParsers.insert(AttribParserList::value_type("scheme", (ATTRIBUTE_PARSER)parseScheme));
2596	mTechniqueAttribParsers.insert(AttribParserList::value_type("pass", (ATTRIBUTE_PARSER)parsePass));
2597
2598	// Set up pass attribute parsers
2599	mPassAttribParsers.insert(AttribParserList::value_type("ambient", (ATTRIBUTE_PARSER)parseAmbient));
2600	mPassAttribParsers.insert(AttribParserList::value_type("diffuse", (ATTRIBUTE_PARSER)parseDiffuse));
2601	mPassAttribParsers.insert(AttribParserList::value_type("specular", (ATTRIBUTE_PARSER)parseSpecular));
2602	mPassAttribParsers.insert(AttribParserList::value_type("emissive", (ATTRIBUTE_PARSER)parseEmissive));
2603	mPassAttribParsers.insert(AttribParserList::value_type("scene_blend", (ATTRIBUTE_PARSER)parseSceneBlend));
2604	mPassAttribParsers.insert(AttribParserList::value_type("depth_check", (ATTRIBUTE_PARSER)parseDepthCheck));
2605	mPassAttribParsers.insert(AttribParserList::value_type("depth_write", (ATTRIBUTE_PARSER)parseDepthWrite));
2606	mPassAttribParsers.insert(AttribParserList::value_type("depth_func", (ATTRIBUTE_PARSER)parseDepthFunc));
2607	mPassAttribParsers.insert(AttribParserList::value_type("alpha_rejection", (ATTRIBUTE_PARSER)parseAlphaRejection));
2608	mPassAttribParsers.insert(AttribParserList::value_type("colour_write", (ATTRIBUTE_PARSER)parseColourWrite));
2609	mPassAttribParsers.insert(AttribParserList::value_type("cull_hardware", (ATTRIBUTE_PARSER)parseCullHardware));
2610	mPassAttribParsers.insert(AttribParserList::value_type("cull_software", (ATTRIBUTE_PARSER)parseCullSoftware));
2611	mPassAttribParsers.insert(AttribParserList::value_type("lighting", (ATTRIBUTE_PARSER)parseLighting));
2612	mPassAttribParsers.insert(AttribParserList::value_type("fog_override", (ATTRIBUTE_PARSER)parseFogging));
2613	mPassAttribParsers.insert(AttribParserList::value_type("shading", (ATTRIBUTE_PARSER)parseShading));
2614	mPassAttribParsers.insert(AttribParserList::value_type("polygon_mode", (ATTRIBUTE_PARSER)parsePolygonMode));
2615	mPassAttribParsers.insert(AttribParserList::value_type("depth_bias", (ATTRIBUTE_PARSER)parseDepthBias));
2616	mPassAttribParsers.insert(AttribParserList::value_type("texture_unit", (ATTRIBUTE_PARSER)parseTextureUnit));
2617	mPassAttribParsers.insert(AttribParserList::value_type("vertex_program_ref", (ATTRIBUTE_PARSER)parseVertexProgramRef));
2618	mPassAttribParsers.insert(AttribParserList::value_type("shadow_caster_vertex_program_ref", (ATTRIBUTE_PARSER)parseShadowCasterVertexProgramRef));
2619	mPassAttribParsers.insert(AttribParserList::value_type("shadow_receiver_vertex_program_ref", (ATTRIBUTE_PARSER)parseShadowReceiverVertexProgramRef));
2620	mPassAttribParsers.insert(AttribParserList::value_type("shadow_receiver_fragment_program_ref", (ATTRIBUTE_PARSER)parseShadowReceiverFragmentProgramRef));
2621	mPassAttribParsers.insert(AttribParserList::value_type("fragment_program_ref", (ATTRIBUTE_PARSER)parseFragmentProgramRef));
2622	mPassAttribParsers.insert(AttribParserList::value_type("max_lights", (ATTRIBUTE_PARSER)parseMaxLights));
2623	mPassAttribParsers.insert(AttribParserList::value_type("start_light", (ATTRIBUTE_PARSER)parseStartLight));
2624	mPassAttribParsers.insert(AttribParserList::value_type("iteration", (ATTRIBUTE_PARSER)parseIteration));
2625	mPassAttribParsers.insert(AttribParserList::value_type("point_size", (ATTRIBUTE_PARSER)parsePointSize));
2626	mPassAttribParsers.insert(AttribParserList::value_type("point_sprites", (ATTRIBUTE_PARSER)parsePointSprites));
2627	mPassAttribParsers.insert(AttribParserList::value_type("point_size_attenuation", (ATTRIBUTE_PARSER)parsePointAttenuation));
2628	mPassAttribParsers.insert(AttribParserList::value_type("point_size_min", (ATTRIBUTE_PARSER)parsePointSizeMin));
2629	mPassAttribParsers.insert(AttribParserList::value_type("point_size_max", (ATTRIBUTE_PARSER)parsePointSizeMax));
2630
2631	// Set up texture unit attribute parsers
2632	mTextureUnitAttribParsers.insert(AttribParserList::value_type("texture_source", (ATTRIBUTE_PARSER)parseTextureSource));
2633	mTextureUnitAttribParsers.insert(AttribParserList::value_type("texture", (ATTRIBUTE_PARSER)parseTexture));
2634	mTextureUnitAttribParsers.insert(AttribParserList::value_type("anim_texture", (ATTRIBUTE_PARSER)parseAnimTexture));
2635	mTextureUnitAttribParsers.insert(AttribParserList::value_type("cubic_texture", (ATTRIBUTE_PARSER)parseCubicTexture));
2636	mTextureUnitAttribParsers.insert(AttribParserList::value_type("binding_type", (ATTRIBUTE_PARSER)parseBindingType));
2637	mTextureUnitAttribParsers.insert(AttribParserList::value_type("tex_coord_set", (ATTRIBUTE_PARSER)parseTexCoord));
2638	mTextureUnitAttribParsers.insert(AttribParserList::value_type("tex_address_mode", (ATTRIBUTE_PARSER)parseTexAddressMode));
2639	mTextureUnitAttribParsers.insert(AttribParserList::value_type("tex_border_colour", (ATTRIBUTE_PARSER)parseTexBorderColour));
2640	mTextureUnitAttribParsers.insert(AttribParserList::value_type("colour_op", (ATTRIBUTE_PARSER)parseColourOp));
2641	mTextureUnitAttribParsers.insert(AttribParserList::value_type("colour_op_ex", (ATTRIBUTE_PARSER)parseColourOpEx));
2642	mTextureUnitAttribParsers.insert(AttribParserList::value_type("colour_op_multipass_fallback", (ATTRIBUTE_PARSER)parseColourOpFallback));
2643	mTextureUnitAttribParsers.insert(AttribParserList::value_type("alpha_op_ex", (ATTRIBUTE_PARSER)parseAlphaOpEx));
2644	mTextureUnitAttribParsers.insert(AttribParserList::value_type("env_map", (ATTRIBUTE_PARSER)parseEnvMap));
2645	mTextureUnitAttribParsers.insert(AttribParserList::value_type("scroll", (ATTRIBUTE_PARSER)parseScroll));
2646	mTextureUnitAttribParsers.insert(AttribParserList::value_type("scroll_anim", (ATTRIBUTE_PARSER)parseScrollAnim));
2647	mTextureUnitAttribParsers.insert(AttribParserList::value_type("rotate", (ATTRIBUTE_PARSER)parseRotate));
2648	mTextureUnitAttribParsers.insert(AttribParserList::value_type("rotate_anim", (ATTRIBUTE_PARSER)parseRotateAnim));
2649	mTextureUnitAttribParsers.insert(AttribParserList::value_type("scale", (ATTRIBUTE_PARSER)parseScale));
2650	mTextureUnitAttribParsers.insert(AttribParserList::value_type("wave_xform", (ATTRIBUTE_PARSER)parseWaveXform));
2651	mTextureUnitAttribParsers.insert(AttribParserList::value_type("transform", (ATTRIBUTE_PARSER)parseTransform));
2652	mTextureUnitAttribParsers.insert(AttribParserList::value_type("filtering", (ATTRIBUTE_PARSER)parseFiltering));
2653	mTextureUnitAttribParsers.insert(AttribParserList::value_type("max_anisotropy", (ATTRIBUTE_PARSER)parseAnisotropy));
2654	mTextureUnitAttribParsers.insert(AttribParserList::value_type("texture_alias", (ATTRIBUTE_PARSER)parseTextureAlias));
2655	mTextureUnitAttribParsers.insert(AttribParserList::value_type("mipmap_bias", (ATTRIBUTE_PARSER)parseMipmapBias));
2656	mTextureUnitAttribParsers.insert(AttribParserList::value_type("content_type", (ATTRIBUTE_PARSER)parseContentType));
2657
2658	// Set up program reference attribute parsers
2659	mProgramRefAttribParsers.insert(AttribParserList::value_type("param_indexed", (ATTRIBUTE_PARSER)parseParamIndexed));
2660	mProgramRefAttribParsers.insert(AttribParserList::value_type("param_indexed_auto", (ATTRIBUTE_PARSER)parseParamIndexedAuto));
2661	mProgramRefAttribParsers.insert(AttribParserList::value_type("param_named", (ATTRIBUTE_PARSER)parseParamNamed));
2662	mProgramRefAttribParsers.insert(AttribParserList::value_type("param_named_auto", (ATTRIBUTE_PARSER)parseParamNamedAuto));
2663
2664	// Set up program definition attribute parsers
2665	mProgramAttribParsers.insert(AttribParserList::value_type("source", (ATTRIBUTE_PARSER)parseProgramSource));
2666	mProgramAttribParsers.insert(AttribParserList::value_type("syntax", (ATTRIBUTE_PARSER)parseProgramSyntax));
2667	mProgramAttribParsers.insert(AttribParserList::value_type("includes_skeletal_animation", (ATTRIBUTE_PARSER)parseProgramSkeletalAnimation));
2668	mProgramAttribParsers.insert(AttribParserList::value_type("includes_morph_animation", (ATTRIBUTE_PARSER)parseProgramMorphAnimation));
2669	mProgramAttribParsers.insert(AttribParserList::value_type("includes_pose_animation", (ATTRIBUTE_PARSER)parseProgramPoseAnimation));
2670	mProgramAttribParsers.insert(AttribParserList::value_type("uses_vertex_texture_fetch", (ATTRIBUTE_PARSER)parseProgramVertexTextureFetch));
2671	mProgramAttribParsers.insert(AttribParserList::value_type("default_params", (ATTRIBUTE_PARSER)parseDefaultParams));
2672
2673	// Set up program default param attribute parsers
2674	mProgramDefaultParamAttribParsers.insert(AttribParserList::value_type("param_indexed", (ATTRIBUTE_PARSER)parseParamIndexed));
2675	mProgramDefaultParamAttribParsers.insert(AttribParserList::value_type("param_indexed_auto", (ATTRIBUTE_PARSER)parseParamIndexedAuto));
2676	mProgramDefaultParamAttribParsers.insert(AttribParserList::value_type("param_named", (ATTRIBUTE_PARSER)parseParamNamed));
2677	mProgramDefaultParamAttribParsers.insert(AttribParserList::value_type("param_named_auto", (ATTRIBUTE_PARSER)parseParamNamedAuto));
2678
2679	mScriptContext.section = MSS_NONE;
2680	mScriptContext.material.setNull();
2681	mScriptContext.technique = 0;
2682	mScriptContext.pass = 0;
2683	mScriptContext.textureUnit = 0;
2684	mScriptContext.program.setNull();
2685	mScriptContext.lineNo = 0;
2686	mScriptContext.filename.clear();
2687	mScriptContext.techLev = -1;
2688	mScriptContext.passLev = -1;
2689	mScriptContext.stateLev = -1;
2690
2691	mBuffer.clear();
2692	}
2693
2694	//-----------------------------------------------------------------------
2695	void MaterialSerializer::parseScript(DataStreamPtr& stream, const String& groupName)
2696	{
2697	String line;
2698	bool nextIsOpenBrace = false;
2699
2700	mScriptContext.section = MSS_NONE;
2701	mScriptContext.material.setNull();
2702	mScriptContext.technique = 0;
2703	mScriptContext.pass = 0;
2704	mScriptContext.textureUnit = 0;
2705	mScriptContext.program.setNull();
2706	mScriptContext.lineNo = 0;
2707	mScriptContext.techLev = -1;
2708	mScriptContext.passLev = -1;
2709	mScriptContext.stateLev = -1;
2710	mScriptContext.filename = stream->getName();
2711	mScriptContext.groupName = groupName;
2712	while(!stream->eof())
2713	{
2714	line = stream->getLine();
2715	mScriptContext.lineNo++;
2716
2717	// DEBUG LINE
2718	// LogManager::getSingleton().logMessage("About to attempt line(#" +
2719	// StringConverter::toString(mScriptContext.lineNo) + "): " + line);
2720
2721	// Ignore comments & blanks
2722	if (!(line.length() == 0 \|\| line.substr(0,2) == "//"))
2723	{
2724	if (nextIsOpenBrace)
2725	{
2726	// NB, parser will have changed context already
2727	if (line != "{")
2728	{
2729	logParseError("Expecting '{' but got " +
2730	line + " instead.", mScriptContext);
2731	}
2732	nextIsOpenBrace = false;
2733	}
2734	else
2735	{
2736	nextIsOpenBrace = parseScriptLine(line);
2737	}
2738
2739	}
2740	}
2741
2742	// Check all braces were closed
2743	if (mScriptContext.section != MSS_NONE)
2744	{
2745	logParseError("Unexpected end of file.", mScriptContext);
2746	}
2747
2748	// Make sure we invalidate our context shared pointer (don't wanna hold on)
2749	mScriptContext.material.setNull();
2750
2751	}
2752	//-----------------------------------------------------------------------
2753	bool MaterialSerializer::parseScriptLine(String& line)
2754	{
2755	switch(mScriptContext.section)
2756	{
2757	case MSS_NONE:
2758	if (line == "}")
2759	{
2760	logParseError("Unexpected terminating brace.", mScriptContext);
2761	return false;
2762	}
2763	else
2764	{
2765	// find & invoke a parser
2766	return invokeParser(line, mRootAttribParsers);
2767	}
2768	break;
2769	case MSS_MATERIAL:
2770	if (line == "}")
2771	{
2772	// End of material
2773	// if texture aliases were found, pass them to the material
2774	// to update texture names used in Texture unit states
2775	if (!mScriptContext.textureAliases.empty())
2776	{
2777	// request material to update all texture names in TUS's
2778	// that use texture aliases in the list
2779	mScriptContext.material->applyTextureAliases(mScriptContext.textureAliases);
2780	}
2781
2782	mScriptContext.section = MSS_NONE;
2783	mScriptContext.material.setNull();
2784	//Reset all levels for next material
2785	mScriptContext.passLev = -1;
2786	mScriptContext.stateLev= -1;
2787	mScriptContext.techLev = -1;
2788	mScriptContext.textureAliases.clear();
2789	}
2790	else
2791	{
2792	// find & invoke a parser
2793	return invokeParser(line, mMaterialAttribParsers);
2794	}
2795	break;
2796	case MSS_TECHNIQUE:
2797	if (line == "}")
2798	{
2799	// End of technique
2800	mScriptContext.section = MSS_MATERIAL;
2801	mScriptContext.technique = NULL;
2802	mScriptContext.passLev = -1; //Reset pass level (yes, the pass level)
2803	}
2804	else
2805	{
2806	// find & invoke a parser
2807	return invokeParser(line, mTechniqueAttribParsers);
2808	}
2809	break;
2810	case MSS_PASS:
2811	if (line == "}")
2812	{
2813	// End of pass
2814	mScriptContext.section = MSS_TECHNIQUE;
2815	mScriptContext.pass = NULL;
2816	mScriptContext.stateLev = -1; //Reset state level (yes, the state level)
2817	}
2818	else
2819	{
2820	// find & invoke a parser
2821	return invokeParser(line, mPassAttribParsers);
2822	}
2823	break;
2824	case MSS_TEXTUREUNIT:
2825	if (line == "}")
2826	{
2827	// End of texture unit
2828	mScriptContext.section = MSS_PASS;
2829	mScriptContext.textureUnit = NULL;
2830	}
2831	else
2832	{
2833	// find & invoke a parser
2834	return invokeParser(line, mTextureUnitAttribParsers);
2835	}
2836	break;
2837	case MSS_TEXTURESOURCE:
2838	if( line == "}" )
2839	{
2840	//End texture source section
2841	//Finish creating texture here
2842	String sMaterialName = mScriptContext.material->getName();
2843	if( ExternalTextureSourceManager::getSingleton().getCurrentPlugIn() != 0)
2844	ExternalTextureSourceManager::getSingleton().getCurrentPlugIn()->
2845	createDefinedTexture( sMaterialName, mScriptContext.groupName );
2846	//Revert back to texture unit
2847	mScriptContext.section = MSS_TEXTUREUNIT;
2848	}
2849	else
2850	{
2851	// custom texture parameter, use original line
2852	parseTextureCustomParameter(line, mScriptContext);
2853	}
2854	break;
2855	case MSS_PROGRAM_REF:
2856	if (line == "}")
2857	{
2858	// End of program
2859	mScriptContext.section = MSS_PASS;
2860	mScriptContext.program.setNull();
2861	}
2862	else
2863	{
2864	// find & invoke a parser
2865	return invokeParser(line, mProgramRefAttribParsers);
2866	}
2867	break;
2868	case MSS_PROGRAM:
2869	// Program definitions are slightly different, they are deferred
2870	// until all the information required is known
2871	if (line == "}")
2872	{
2873	// End of program
2874	finishProgramDefinition();
2875	mScriptContext.section = MSS_NONE;
2876	delete mScriptContext.programDef;
2877	mScriptContext.defaultParamLines.clear();
2878	mScriptContext.programDef = NULL;
2879	}
2880	else
2881	{
2882	// find & invoke a parser
2883	// do this manually because we want to call a custom
2884	// routine when the parser is not found
2885	// First, split line on first divisor only
2886	StringVector splitCmd = StringUtil::split(line, " \t", 1);
2887	// Find attribute parser
2888	AttribParserList::iterator iparser = mProgramAttribParsers.find(splitCmd[0]);
2889	if (iparser == mProgramAttribParsers.end())
2890	{
2891	// custom parameter, use original line
2892	parseProgramCustomParameter(line, mScriptContext);
2893	}
2894	else
2895	{
2896	String cmd = splitCmd.size() >= 2? splitCmd[1]:StringUtil::BLANK;
2897	// Use parser with remainder
2898	return iparser->second(cmd, mScriptContext );
2899	}
2900
2901	}
2902	break;
2903	case MSS_DEFAULT_PARAMETERS:
2904	if (line == "}")
2905	{
2906	// End of default parameters
2907	mScriptContext.section = MSS_PROGRAM;
2908	}
2909	else
2910	{
2911	// Save default parameter lines up until we finalise the program
2912	mScriptContext.defaultParamLines.push_back(line);
2913	}
2914
2915
2916	break;
2917	};
2918
2919	return false;
2920	}
2921	//-----------------------------------------------------------------------
2922	void MaterialSerializer::finishProgramDefinition(void)
2923	{
2924	// Now it is time to create the program and propagate the parameters
2925	MaterialScriptProgramDefinition* def = mScriptContext.programDef;
2926	GpuProgramPtr gp;
2927	if (def->language == "asm")
2928	{
2929	// Native assembler
2930	// Validate
2931	if (def->source.empty())
2932	{
2933	logParseError("Invalid program definition for " + def->name +
2934	", you must specify a source file.", mScriptContext);
2935	}
2936	if (def->syntax.empty())
2937	{
2938	logParseError("Invalid program definition for " + def->name +
2939	", you must specify a syntax code.", mScriptContext);
2940	}
2941	// Create
2942	gp = GpuProgramManager::getSingleton().
2943	createProgram(def->name, mScriptContext.groupName, def->source,
2944	def->progType, def->syntax);
2945
2946	}
2947	else
2948	{
2949	// High-level program
2950	// Validate
2951	if (def->source.empty() && def->language != "unified")
2952	{
2953	logParseError("Invalid program definition for " + def->name +
2954	", you must specify a source file.", mScriptContext);
2955	}
2956	// Create
2957	try
2958	{
2959	HighLevelGpuProgramPtr hgp = HighLevelGpuProgramManager::getSingleton().
2960	createProgram(def->name, mScriptContext.groupName,
2961	def->language, def->progType);
2962	// Assign to generalised version
2963	gp = hgp;
2964	// Set source file
2965	hgp->setSourceFile(def->source);
2966
2967	// Set custom parameters
2968	std::vector<std::pair<String, String> >::const_iterator i, iend;
2969	iend = def->customParameters.end();
2970	for (i = def->customParameters.begin(); i != iend; ++i)
2971	{
2972	if (!hgp->setParameter(i->first, i->second))
2973	{
2974	logParseError("Error in program " + def->name +
2975	" parameter " + i->first + " is not valid.", mScriptContext);
2976	}
2977	}
2978	}
2979	catch (Exception& e)
2980	{
2981	logParseError("Could not create GPU program '"
2982	+ def->name + "', error reported was: " + e.getDescription(), mScriptContext);
2983	mScriptContext.program.setNull();
2984	mScriptContext.programParams.setNull();
2985	return;
2986	}
2987	}
2988	// Set skeletal animation option
2989	gp->setSkeletalAnimationIncluded(def->supportsSkeletalAnimation);
2990	// Set morph animation option
2991	gp->setMorphAnimationIncluded(def->supportsMorphAnimation);
2992	// Set pose animation option
2993	gp->setPoseAnimationIncluded(def->supportsPoseAnimation);
2994	// Set vertex texture usage
2995	gp->setVertexTextureFetchRequired(def->usesVertexTextureFetch);
2996	// set origin
2997	gp->_notifyOrigin(mScriptContext.filename);
2998
2999	// Set up to receive default parameters
3000	if (gp->isSupported()
3001	&& !mScriptContext.defaultParamLines.empty())
3002	{
3003	mScriptContext.programParams = gp->getDefaultParameters();
3004	mScriptContext.numAnimationParametrics = 0;
3005	mScriptContext.program = gp;
3006	StringVector::iterator i, iend;
3007	iend = mScriptContext.defaultParamLines.end();
3008	for (i = mScriptContext.defaultParamLines.begin();
3009	i != iend; ++i)
3010	{
3011	// find & invoke a parser
3012	// do this manually because we want to call a custom
3013	// routine when the parser is not found
3014	// First, split line on first divisor only
3015	StringVector splitCmd = StringUtil::split(*i, " \t", 1);
3016	// Find attribute parser
3017	AttribParserList::iterator iparser
3018	= mProgramDefaultParamAttribParsers.find(splitCmd[0]);
3019	if (iparser != mProgramDefaultParamAttribParsers.end())
3020	{
3021	String cmd = splitCmd.size() >= 2? splitCmd[1]:StringUtil::BLANK;
3022	// Use parser with remainder
3023	iparser->second(cmd, mScriptContext );
3024	}
3025
3026	}
3027	// Reset
3028	mScriptContext.program.setNull();
3029	mScriptContext.programParams.setNull();
3030	}
3031
3032	}
3033	//-----------------------------------------------------------------------
3034	bool MaterialSerializer::invokeParser(String& line, AttribParserList& parsers)
3035	{
3036	// First, split line on first divisor only
3037	StringVector splitCmd(StringUtil::split(line, " \t", 1));
3038
3039	// Find attribute parser
3040	AttribParserList::iterator iparser = parsers.find(splitCmd[0]);
3041	if (iparser == parsers.end())
3042	{
3043	// BAD command. BAD!
3044	logParseError("Unrecognised command: " + splitCmd[0], mScriptContext);
3045	return false;
3046	}
3047	else
3048	{
3049	String cmd;
3050	if(splitCmd.size() >= 2)
3051	cmd = splitCmd[1];
3052	// Use parser, make sure we have 2 params before using splitCmd[1]
3053	return iparser->second( cmd, mScriptContext );
3054	}
3055	}
3056	//-----------------------------------------------------------------------
3057	void MaterialSerializer::exportMaterial(const MaterialPtr& pMat, const String &fileName, bool exportDefaults,
3058	const bool includeProgDef, const String& programFilename)
3059	{
3060	clearQueue();
3061	mDefaults = exportDefaults;
3062	writeMaterial(pMat);
3063	exportQueued(fileName, includeProgDef, programFilename);
3064	}
3065	//-----------------------------------------------------------------------
3066	void MaterialSerializer::exportQueued(const String &fileName, const bool includeProgDef, const String& programFilename)
3067	{
3068	// write out gpu program definitions to the buffer
3069	writeGpuPrograms();
3070
3071	if (mBuffer.empty())
3072	OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, "Queue is empty !", "MaterialSerializer::exportQueued");
3073
3074	LogManager::getSingleton().logMessage("MaterialSerializer : writing material(s) to material script : " + fileName, LML_CRITICAL);
3075	FILE *fp;
3076	fp = fopen(fileName.c_str(), "w");
3077	if (!fp)
3078	OGRE_EXCEPT(Exception::ERR_CANNOT_WRITE_TO_FILE, "Cannot create material file.",
3079	"MaterialSerializer::export");
3080
3081	// output gpu program definitions to material script file if includeProgDef is true
3082	if (includeProgDef && !mGpuProgramBuffer.empty())
3083	{
3084	fputs(mGpuProgramBuffer.c_str(), fp);
3085	}
3086
3087	// output main buffer holding material script
3088	fputs(mBuffer.c_str(), fp);
3089	fclose(fp);
3090
3091	// write program script if program filename and program definitions
3092	// were not included in material script
3093	if (!includeProgDef && !mGpuProgramBuffer.empty() && !programFilename.empty())
3094	{
3095	FILE *fp;
3096	fp = fopen(programFilename.c_str(), "w");
3097	if (!fp)
3098	OGRE_EXCEPT(Exception::ERR_CANNOT_WRITE_TO_FILE, "Cannot create program material file.",
3099	"MaterialSerializer::export");
3100	fputs(mGpuProgramBuffer.c_str(), fp);
3101	fclose(fp);
3102	}
3103
3104	LogManager::getSingleton().logMessage("MaterialSerializer : done.", LML_CRITICAL);
3105	clearQueue();
3106	}
3107	//-----------------------------------------------------------------------
3108	void MaterialSerializer::queueForExport(const MaterialPtr& pMat,
3109	bool clearQueued, bool exportDefaults)
3110	{
3111	if (clearQueued)
3112	clearQueue();
3113
3114	mDefaults = exportDefaults;
3115	writeMaterial(pMat);
3116	}
3117	//-----------------------------------------------------------------------
3118	void MaterialSerializer::clearQueue()
3119	{
3120	mBuffer.clear();
3121	mGpuProgramBuffer.clear();
3122	mGpuProgramDefinitionContainer.clear();
3123	}
3124	//-----------------------------------------------------------------------
3125	const String &MaterialSerializer::getQueuedAsString() const
3126	{
3127	return mBuffer;
3128	}
3129	//-----------------------------------------------------------------------
3130	void MaterialSerializer::writeMaterial(const MaterialPtr& pMat)
3131	{
3132	LogManager::getSingleton().logMessage("MaterialSerializer : writing material " + pMat->getName() + " to queue.", LML_CRITICAL);
3133	// Material name
3134	writeAttribute(0, "material " + pMat->getName());
3135	beginSection(0);
3136	{
3137	// Write LOD information
3138	Material::LodDistanceIterator distIt = pMat->getLodDistanceIterator();
3139	// Skip zero value
3140	if (distIt.hasMoreElements())
3141	distIt.getNext();
3142	String attributeVal;
3143	while (distIt.hasMoreElements())
3144	{
3145	Real sqdist = distIt.getNext();
3146	attributeVal.append(StringConverter::toString(Math::Sqrt(sqdist)));
3147	if (distIt.hasMoreElements())
3148	attributeVal.append(" ");
3149	}
3150	if (!attributeVal.empty())
3151	{
3152	writeAttribute(1, "lod_distances");
3153	writeValue(attributeVal);
3154	}
3155
3156
3157	// Shadow receive
3158	if (mDefaults \|\|
3159	pMat->getReceiveShadows() != true)
3160	{
3161	writeAttribute(1, "receive_shadows");
3162	writeValue(pMat->getReceiveShadows() ? "on" : "off");
3163	}
3164
3165	// When rendering shadows, treat transparent things as opaque?
3166	if (mDefaults \|\|
3167	pMat->getTransparencyCastsShadows() == true)
3168	{
3169	writeAttribute(1, "transparency_casts_shadows");
3170	writeValue(pMat->getTransparencyCastsShadows() ? "on" : "off");
3171	}
3172
3173	// Iterate over techniques
3174	Material::TechniqueIterator it = pMat->getTechniqueIterator();
3175	while (it.hasMoreElements())
3176	{
3177	writeTechnique(it.getNext());
3178	mBuffer += "\n";
3179	}
3180	}
3181	endSection(0);
3182	mBuffer += "\n";
3183	}
3184	//-----------------------------------------------------------------------
3185	void MaterialSerializer::writeTechnique(const Technique* pTech)
3186	{
3187	// Technique header
3188	writeAttribute(1, "technique");
3189	// only output technique name if it exists.
3190	if (!pTech->getName().empty())
3191	writeValue(pTech->getName());
3192
3193	beginSection(1);
3194	{
3195	// Lod index
3196	if (mDefaults \|\|
3197	pTech->getLodIndex() != 0)
3198	{
3199	writeAttribute(2, "lod_index");
3200	writeValue(StringConverter::toString(pTech->getLodIndex()));
3201	}
3202
3203	// Scheme name
3204	if (mDefaults \|\|
3205	pTech->getSchemeName() != MaterialManager::DEFAULT_SCHEME_NAME)
3206	{
3207	writeAttribute(2, "scheme");
3208	writeValue(pTech->getSchemeName());
3209	}
3210
3211	// Iterate over passes
3212	Technique::PassIterator it = const_cast<Technique*>(pTech)->getPassIterator();
3213	while (it.hasMoreElements())
3214	{
3215	writePass(it.getNext());
3216	mBuffer += "\n";
3217	}
3218	}
3219	endSection(1);
3220
3221	}
3222	//-----------------------------------------------------------------------
3223	void MaterialSerializer::writePass(const Pass* pPass)
3224	{
3225	writeAttribute(2, "pass");
3226	// only output pass name if its not the default name
3227	if (pPass->getName() != StringConverter::toString(pPass->getIndex()))
3228	writeValue(pPass->getName());
3229
3230	beginSection(2);
3231	{
3232	//lighting
3233	if (mDefaults \|\|
3234	pPass->getLightingEnabled() != true)
3235	{
3236	writeAttribute(3, "lighting");
3237	writeValue(pPass->getLightingEnabled() ? "on" : "off");
3238	}
3239	// max_lights
3240	if (mDefaults \|\|
3241	pPass->getMaxSimultaneousLights() != OGRE_MAX_SIMULTANEOUS_LIGHTS)
3242	{
3243	writeAttribute(3, "max_lights");
3244	writeValue(StringConverter::toString(pPass->getMaxSimultaneousLights()));
3245	}
3246	// start_light
3247	if (mDefaults \|\|
3248	pPass->getStartLight() != 0)
3249	{
3250	writeAttribute(3, "start_light");
3251	writeValue(StringConverter::toString(pPass->getStartLight()));
3252	}
3253	// iteration
3254	if (mDefaults \|\|
3255	pPass->getIteratePerLight() \|\| (pPass->getPassIterationCount() > 1))
3256	{
3257	writeAttribute(3, "iteration");
3258	// pass iteration count
3259	if (pPass->getPassIterationCount() > 1 \|\| pPass->getLightCountPerIteration() > 1)
3260	{
3261	writeValue(StringConverter::toString(pPass->getPassIterationCount()));
3262	if (pPass->getIteratePerLight())
3263	{
3264	if (pPass->getLightCountPerIteration() > 1)
3265	{
3266	writeValue("per_n_lights");
3267	writeValue(StringConverter::toString(
3268	pPass->getLightCountPerIteration()));
3269	}
3270	else
3271	{
3272	writeValue("per_light");
3273	}
3274	}
3275	}
3276	else
3277	{
3278	writeValue(pPass->getIteratePerLight() ? "once_per_light" : "once");
3279	}
3280
3281	if (pPass->getIteratePerLight() && pPass->getRunOnlyForOneLightType())
3282	{
3283	switch (pPass->getOnlyLightType())
3284	{
3285	case Light::LT_DIRECTIONAL:
3286	writeValue("directional");
3287	break;
3288	case Light::LT_POINT:
3289	writeValue("point");
3290	break;
3291	case Light::LT_SPOTLIGHT:
3292	writeValue("spot");
3293	break;
3294	};
3295	}
3296	}
3297
3298
3299	if (pPass->getLightingEnabled())
3300	{
3301	// Ambient
3302	if (mDefaults \|\|
3303	pPass->getAmbient().r != 1 \|\|
3304	pPass->getAmbient().g != 1 \|\|
3305	pPass->getAmbient().b != 1 \|\|
3306	pPass->getAmbient().a != 1 \|\|
3307	(pPass->getVertexColourTracking() & TVC_AMBIENT))
3308	{
3309	writeAttribute(3, "ambient");
3310	if (pPass->getVertexColourTracking() & TVC_AMBIENT)
3311	writeValue("vertexcolour");
3312	else
3313	writeColourValue(pPass->getAmbient(), true);
3314	}
3315
3316	// Diffuse
3317	if (mDefaults \|\|
3318	pPass->getDiffuse().r != 1 \|\|
3319	pPass->getDiffuse().g != 1 \|\|
3320	pPass->getDiffuse().b != 1 \|\|
3321	pPass->getDiffuse().a != 1 \|\|
3322	(pPass->getVertexColourTracking() & TVC_DIFFUSE))
3323	{
3324	writeAttribute(3, "diffuse");
3325	if (pPass->getVertexColourTracking() & TVC_DIFFUSE)
3326	writeValue("vertexcolour");
3327	else
3328	writeColourValue(pPass->getDiffuse(), true);
3329	}
3330
3331	// Specular
3332	if (mDefaults \|\|
3333	pPass->getSpecular().r != 0 \|\|
3334	pPass->getSpecular().g != 0 \|\|
3335	pPass->getSpecular().b != 0 \|\|
3336	pPass->getSpecular().a != 1 \|\|
3337	pPass->getShininess() != 0 \|\|
3338	(pPass->getVertexColourTracking() & TVC_SPECULAR))
3339	{
3340	writeAttribute(3, "specular");
3341	if (pPass->getVertexColourTracking() & TVC_SPECULAR)
3342	{
3343	writeValue("vertexcolour");
3344	}
3345	else
3346	{
3347	writeColourValue(pPass->getSpecular(), true);
3348	}
3349	writeValue(StringConverter::toString(pPass->getShininess()));
3350
3351	}
3352
3353	// Emissive
3354	if (mDefaults \|\|
3355	pPass->getSelfIllumination().r != 0 \|\|
3356	pPass->getSelfIllumination().g != 0 \|\|
3357	pPass->getSelfIllumination().b != 0 \|\|
3358	pPass->getSelfIllumination().a != 1 \|\|
3359	(pPass->getVertexColourTracking() & TVC_EMISSIVE))
3360	{
3361	writeAttribute(3, "emissive");
3362	if (pPass->getVertexColourTracking() & TVC_EMISSIVE)
3363	writeValue("vertexcolour");
3364	else
3365	writeColourValue(pPass->getSelfIllumination(), true);
3366	}
3367	}
3368
3369	// Point size
3370	if (mDefaults \|\|
3371	pPass->getPointSize() != 1.0)
3372	{
3373	writeAttribute(3, "point_size");
3374	writeValue(StringConverter::toString(pPass->getPointSize()));
3375	}
3376
3377	// Point sprites
3378	if (mDefaults \|\|
3379	pPass->getPointSpritesEnabled())
3380	{
3381	writeAttribute(3, "point_sprites");
3382	writeValue(pPass->getPointSpritesEnabled() ? "on" : "off");
3383	}
3384
3385	// Point attenuation
3386	if (mDefaults \|\|
3387	pPass->isPointAttenuationEnabled())
3388	{
3389	writeAttribute(3, "point_size_attenuation");
3390	writeValue(pPass->isPointAttenuationEnabled() ? "on" : "off");
3391	if (pPass->isPointAttenuationEnabled() &&
3392	(pPass->getPointAttenuationConstant() != 0.0 \|\|
3393	pPass->getPointAttenuationLinear() != 1.0 \|\|
3394	pPass->getPointAttenuationQuadratic() != 0.0))
3395	{
3396	writeValue(StringConverter::toString(pPass->getPointAttenuationConstant()));
3397	writeValue(StringConverter::toString(pPass->getPointAttenuationLinear()));
3398	writeValue(StringConverter::toString(pPass->getPointAttenuationQuadratic()));
3399	}
3400	}
3401
3402	// Point min size
3403	if (mDefaults \|\|
3404	pPass->getPointMinSize() != 0.0)
3405	{
3406	writeAttribute(3, "point_size_min");
3407	writeValue(StringConverter::toString(pPass->getPointMinSize()));
3408	}
3409
3410	// Point max size
3411	if (mDefaults \|\|
3412	pPass->getPointMaxSize() != 0.0)
3413	{
3414	writeAttribute(3, "point_size_max");
3415	writeValue(StringConverter::toString(pPass->getPointMaxSize()));
3416	}
3417
3418	// scene blend factor
3419	if (mDefaults \|\|
3420	pPass->getSourceBlendFactor() != SBF_ONE \|\|
3421	pPass->getDestBlendFactor() != SBF_ZERO)
3422	{
3423	writeAttribute(3, "scene_blend");
3424	writeSceneBlendFactor(pPass->getSourceBlendFactor(), pPass->getDestBlendFactor());
3425	}
3426
3427
3428	//depth check
3429	if (mDefaults \|\|
3430	pPass->getDepthCheckEnabled() != true)
3431	{
3432	writeAttribute(3, "depth_check");
3433	writeValue(pPass->getDepthCheckEnabled() ? "on" : "off");
3434	}
3435	// alpha_rejection
3436	if (mDefaults \|\|
3437	pPass->getAlphaRejectFunction() != CMPF_ALWAYS_PASS \|\|
3438	pPass->getAlphaRejectValue() != 0)
3439	{
3440	writeAttribute(3, "alpha_rejection");
3441	writeCompareFunction(pPass->getAlphaRejectFunction());
3442	writeValue(StringConverter::toString(pPass->getAlphaRejectValue()));
3443	}
3444
3445
3446	//depth write
3447	if (mDefaults \|\|
3448	pPass->getDepthWriteEnabled() != true)
3449	{
3450	writeAttribute(3, "depth_write");
3451	writeValue(pPass->getDepthWriteEnabled() ? "on" : "off");
3452	}
3453
3454	//depth function
3455	if (mDefaults \|\|
3456	pPass->getDepthFunction() != CMPF_LESS_EQUAL)
3457	{
3458	writeAttribute(3, "depth_func");
3459	writeCompareFunction(pPass->getDepthFunction());
3460	}
3461
3462	//depth bias
3463	if (mDefaults \|\|
3464	pPass->getDepthBiasConstant() != 0 \|\|
3465	pPass->getDepthBiasSlopeScale() != 0)
3466	{
3467	writeAttribute(3, "depth_bias");
3468	writeValue(StringConverter::toString(pPass->getDepthBiasConstant()));
3469	writeValue(StringConverter::toString(pPass->getDepthBiasSlopeScale()));
3470	}
3471
3472	// hardware culling mode
3473	if (mDefaults \|\|
3474	pPass->getCullingMode() != CULL_CLOCKWISE)
3475	{
3476	CullingMode hcm = pPass->getCullingMode();
3477	writeAttribute(3, "cull_hardware");
3478	switch (hcm)
3479	{
3480	case CULL_NONE :
3481	writeValue("none");
3482	break;
3483	case CULL_CLOCKWISE :
3484	writeValue("clockwise");
3485	break;
3486	case CULL_ANTICLOCKWISE :
3487	writeValue("anticlockwise");
3488	break;
3489	}
3490	}
3491
3492	// software culling mode
3493	if (mDefaults \|\|
3494	pPass->getManualCullingMode() != MANUAL_CULL_BACK)
3495	{
3496	ManualCullingMode scm = pPass->getManualCullingMode();
3497	writeAttribute(3, "cull_software");
3498	switch (scm)
3499	{
3500	case MANUAL_CULL_NONE :
3501	writeValue("none");
3502	break;
3503	case MANUAL_CULL_BACK :
3504	writeValue("back");
3505	break;
3506	case MANUAL_CULL_FRONT :
3507	writeValue("front");
3508	break;
3509	}
3510	}
3511
3512	//shading
3513	if (mDefaults \|\|
3514	pPass->getShadingMode() != SO_GOURAUD)
3515	{
3516	writeAttribute(3, "shading");
3517	switch (pPass->getShadingMode())
3518	{
3519	case SO_FLAT:
3520	writeValue("flat");
3521	break;
3522	case SO_GOURAUD:
3523	writeValue("gouraud");
3524	break;
3525	case SO_PHONG:
3526	writeValue("phong");
3527	break;
3528	}
3529	}
3530
3531
3532	if (mDefaults \|\|
3533	pPass->getPolygonMode() != PM_SOLID)
3534	{
3535	writeAttribute(3, "polygon_mode");
3536	switch (pPass->getPolygonMode())
3537	{
3538	case PM_POINTS:
3539	writeValue("points");
3540	break;
3541	case PM_WIREFRAME:
3542	writeValue("wireframe");
3543	break;
3544	case PM_SOLID:
3545	writeValue("solid");
3546	break;
3547	}
3548	}
3549
3550	//fog override
3551	if (mDefaults \|\|
3552	pPass->getFogOverride() != false)
3553	{
3554	writeAttribute(3, "fog_override");
3555	writeValue(pPass->getFogOverride() ? "true" : "false");
3556	if (pPass->getFogOverride())
3557	{
3558	switch (pPass->getFogMode())
3559	{
3560	case FOG_NONE:
3561	writeValue("none");
3562	break;
3563	case FOG_LINEAR:
3564	writeValue("linear");
3565	break;
3566	case FOG_EXP2:
3567	writeValue("exp2");
3568	break;
3569	case FOG_EXP:
3570	writeValue("exp");
3571	break;
3572	}
3573
3574	if (pPass->getFogMode() != FOG_NONE)
3575	{
3576	writeColourValue(pPass->getFogColour());
3577	writeValue(StringConverter::toString(pPass->getFogDensity()));
3578	writeValue(StringConverter::toString(pPass->getFogStart()));
3579	writeValue(StringConverter::toString(pPass->getFogEnd()));
3580	}
3581	}
3582	}
3583
3584	// nfz
3585
3586	// GPU Vertex and Fragment program references and parameters
3587	if (pPass->hasVertexProgram())
3588	{
3589	writeVertexProgramRef(pPass);
3590	}
3591
3592	if (pPass->hasFragmentProgram())
3593	{
3594	writeFragmentProgramRef(pPass);
3595	}
3596
3597	if (pPass->hasShadowCasterVertexProgram())
3598	{
3599	writeShadowCasterVertexProgramRef(pPass);
3600	}
3601
3602	if (pPass->hasShadowReceiverVertexProgram())
3603	{
3604	writeShadowReceiverVertexProgramRef(pPass);
3605	}
3606
3607	if (pPass->hasShadowReceiverFragmentProgram())
3608	{
3609	writeShadowReceiverFragmentProgramRef(pPass);
3610	}
3611
3612	// Nested texture layers
3613	Pass::TextureUnitStateIterator it = const_cast<Pass*>(pPass)->getTextureUnitStateIterator();
3614	while(it.hasMoreElements())
3615	{
3616	writeTextureUnit(it.getNext());
3617	}
3618	}
3619	endSection(2);
3620	LogManager::getSingleton().logMessage("MaterialSerializer : done.", LML_CRITICAL);
3621	}
3622	//-----------------------------------------------------------------------
3623	String MaterialSerializer::convertFiltering(FilterOptions fo)
3624	{
3625	switch (fo)
3626	{
3627	case FO_NONE:
3628	return "none";
3629	case FO_POINT:
3630	return "point";
3631	case FO_LINEAR:
3632	return "linear";
3633	case FO_ANISOTROPIC:
3634	return "anisotropic";
3635	}
3636
3637	return "point";
3638	}
3639	//-----------------------------------------------------------------------
3640	String convertTexAddressMode(TextureUnitState::TextureAddressingMode tam)
3641	{
3642	switch (tam)
3643	{
3644	case TextureUnitState::TAM_BORDER:
3645	return "border";
3646	case TextureUnitState::TAM_CLAMP:
3647	return "clamp";
3648	case TextureUnitState::TAM_MIRROR:
3649	return "mirror";
3650	case TextureUnitState::TAM_WRAP:
3651	return "wrap";
3652	}
3653
3654	return "wrap";
3655	}
3656	//-----------------------------------------------------------------------
3657	void MaterialSerializer::writeTextureUnit(const TextureUnitState *pTex)
3658	{
3659	LogManager::getSingleton().logMessage("MaterialSerializer : parsing texture layer.", LML_CRITICAL);
3660	mBuffer += "\n";
3661	writeAttribute(3, "texture_unit");
3662	// only write out name if its not equal to the default name
3663	if (pTex->getName() != StringConverter::toString(pTex->getParent()->getTextureUnitStateIndex(pTex)))
3664	writeValue(pTex->getName());
3665
3666	beginSection(3);
3667	{
3668	// texture_alias
3669	if (!pTex->getTextureNameAlias().empty())
3670	{
3671	writeAttribute(4, "texture_alias");
3672	writeValue(pTex->getTextureNameAlias());
3673	}
3674
3675	//texture name
3676	if (pTex->getNumFrames() == 1 && !pTex->getTextureName().empty() && !pTex->isCubic())
3677	{
3678	writeAttribute(4, "texture");
3679	writeValue(pTex->getTextureName());
3680
3681	switch (pTex->getTextureType())
3682	{
3683	case TEX_TYPE_1D:
3684	writeValue("1d");
3685	break;
3686	case TEX_TYPE_2D:
3687	// nothing, this is the default
3688	break;
3689	case TEX_TYPE_3D:
3690	writeValue("3d");
3691	break;
3692	case TEX_TYPE_CUBE_MAP:
3693	// nothing, deal with this as cubic_texture since it copes with all variants
3694	break;
3695	default:
3696	break;
3697	};
3698
3699	if (pTex->getNumMipmaps() != MIP_DEFAULT)
3700	{
3701	writeValue(StringConverter::toString(pTex->getNumMipmaps()));
3702	}
3703
3704	if (pTex->getIsAlpha())
3705	{
3706	writeValue("alpha");
3707	}
3708
3709	if (pTex->getDesiredFormat() != PF_UNKNOWN)
3710	{
3711	writeValue(PixelUtil::getFormatName(pTex->getDesiredFormat()));
3712	}
3713	}
3714
3715	//anim. texture
3716	if (pTex->getNumFrames() > 1 && !pTex->isCubic())
3717	{
3718	writeAttribute(4, "anim_texture");
3719	for (unsigned int n = 0; n < pTex->getNumFrames(); n++)
3720	writeValue(pTex->getFrameTextureName(n));
3721	writeValue(StringConverter::toString(pTex->getAnimationDuration()));
3722	}
3723
3724	//cubic texture
3725	if (pTex->isCubic())
3726	{
3727	writeAttribute(4, "cubic_texture");
3728	for (unsigned int n = 0; n < pTex->getNumFrames(); n++)
3729	writeValue(pTex->getFrameTextureName(n));
3730
3731	//combinedUVW/separateUW
3732	if (pTex->getTextureType() == TEX_TYPE_CUBE_MAP)
3733	writeValue("combinedUVW");
3734	else
3735	writeValue("separateUV");
3736	}
3737
3738	//anisotropy level
3739	if (mDefaults \|\|
3740	pTex->getTextureAnisotropy() != 1)
3741	{
3742	writeAttribute(4, "max_anisotropy");
3743	writeValue(StringConverter::toString(pTex->getTextureAnisotropy()));
3744	}
3745
3746	//texture coordinate set
3747	if (mDefaults \|\|
3748	pTex->getTextureCoordSet() != 0)
3749	{
3750	writeAttribute(4, "tex_coord_set");
3751	writeValue(StringConverter::toString(pTex->getTextureCoordSet()));
3752	}
3753
3754	//addressing mode
3755	const TextureUnitState::UVWAddressingMode& uvw =
3756	pTex->getTextureAddressingMode();
3757	if (mDefaults \|\|
3758	uvw.u != Ogre::TextureUnitState::TAM_WRAP \|\|
3759	uvw.v != Ogre::TextureUnitState::TAM_WRAP \|\|
3760	uvw.w != Ogre::TextureUnitState::TAM_WRAP )
3761	{
3762	writeAttribute(4, "tex_address_mode");
3763	if (uvw.u == uvw.v && uvw.u == uvw.w)
3764	{
3765	writeValue(convertTexAddressMode(uvw.u));
3766	}
3767	else
3768	{
3769	writeValue(convertTexAddressMode(uvw.u));
3770	writeValue(convertTexAddressMode(uvw.v));
3771	if (uvw.w != TextureUnitState::TAM_WRAP)
3772	{
3773	writeValue(convertTexAddressMode(uvw.w));
3774	}
3775	}
3776	}
3777
3778	//border colour
3779	const ColourValue& borderColour =
3780	pTex->getTextureBorderColour();
3781	if (mDefaults \|\|
3782	borderColour != ColourValue::Black)
3783	{
3784	writeAttribute(4, "tex_border_colour");
3785	writeColourValue(borderColour, true);
3786	}
3787
3788	//filtering
3789	if (mDefaults \|\|
3790	pTex->getTextureFiltering(FT_MIN) != FO_LINEAR \|\|
3791	pTex->getTextureFiltering(FT_MAG) != FO_LINEAR \|\|
3792	pTex->getTextureFiltering(FT_MIP) != FO_POINT)
3793	{
3794	writeAttribute(4, "filtering");
3795	writeValue(
3796	convertFiltering(pTex->getTextureFiltering(FT_MIN))
3797	+ " "
3798	+ convertFiltering(pTex->getTextureFiltering(FT_MAG))
3799	+ " "
3800	+ convertFiltering(pTex->getTextureFiltering(FT_MIP)));
3801	}
3802
3803	// Mip biasing
3804	if (mDefaults \|\|
3805	pTex->getTextureMipmapBias() != 0.0f)
3806	{
3807	writeAttribute(4, "mipmap_bias");
3808	writeValue(
3809	StringConverter::toString(pTex->getTextureMipmapBias()));
3810	}
3811
3812	// colour_op_ex
3813	if (mDefaults \|\|
3814	pTex->getColourBlendMode().operation != LBX_MODULATE \|\|
3815	pTex->getColourBlendMode().source1 != LBS_TEXTURE \|\|
3816	pTex->getColourBlendMode().source2 != LBS_CURRENT)
3817	{
3818	writeAttribute(4, "colour_op_ex");
3819	writeLayerBlendOperationEx(pTex->getColourBlendMode().operation);
3820	writeLayerBlendSource(pTex->getColourBlendMode().source1);
3821	writeLayerBlendSource(pTex->getColourBlendMode().source2);
3822	if (pTex->getColourBlendMode().operation == LBX_BLEND_MANUAL)
3823	writeValue(StringConverter::toString(pTex->getColourBlendMode().factor));
3824	if (pTex->getColourBlendMode().source1 == LBS_MANUAL)
3825	writeColourValue(pTex->getColourBlendMode().colourArg1, false);
3826	if (pTex->getColourBlendMode().source2 == LBS_MANUAL)
3827	writeColourValue(pTex->getColourBlendMode().colourArg2, false);
3828
3829	//colour_op_multipass_fallback
3830	writeAttribute(4, "colour_op_multipass_fallback");
3831	writeSceneBlendFactor(pTex->getColourBlendFallbackSrc());
3832	writeSceneBlendFactor(pTex->getColourBlendFallbackDest());
3833	}
3834
3835	// alpha_op_ex
3836	if (mDefaults \|\|
3837	pTex->getAlphaBlendMode().operation != LBX_MODULATE \|\|
3838	pTex->getAlphaBlendMode().source1 != LBS_TEXTURE \|\|
3839	pTex->getAlphaBlendMode().source2 != LBS_CURRENT)
3840	{
3841	writeAttribute(4, "alpha_op_ex");
3842	writeLayerBlendOperationEx(pTex->getAlphaBlendMode().operation);
3843	writeLayerBlendSource(pTex->getAlphaBlendMode().source1);
3844	writeLayerBlendSource(pTex->getAlphaBlendMode().source2);
3845	if (pTex->getAlphaBlendMode().operation == LBX_BLEND_MANUAL)
3846	writeValue(StringConverter::toString(pTex->getAlphaBlendMode().factor));
3847	else if (pTex->getAlphaBlendMode().source1 == LBS_MANUAL)
3848	writeValue(StringConverter::toString(pTex->getAlphaBlendMode().alphaArg1));
3849	else if (pTex->getAlphaBlendMode().source2 == LBS_MANUAL)
3850	writeValue(StringConverter::toString(pTex->getAlphaBlendMode().alphaArg2));
3851	}
3852
3853	bool individualTransformElems = false;
3854	// rotate
3855	if (mDefaults \|\|
3856	pTex->getTextureRotate() != Radian(0))
3857	{
3858	writeAttribute(4, "rotate");
3859	writeValue(StringConverter::toString(pTex->getTextureRotate().valueDegrees()));
3860	individualTransformElems = true;
3861	}
3862
3863	// scroll
3864	if (mDefaults \|\|
3865	pTex->getTextureUScroll() != 0 \|\|
3866	pTex->getTextureVScroll() != 0 )
3867	{
3868	writeAttribute(4, "scroll");
3869	writeValue(StringConverter::toString(pTex->getTextureUScroll()));
3870	writeValue(StringConverter::toString(pTex->getTextureVScroll()));
3871	individualTransformElems = true;
3872	}
3873	// scale
3874	if (mDefaults \|\|
3875	pTex->getTextureUScale() != 1.0 \|\|
3876	pTex->getTextureVScale() != 1.0 )
3877	{
3878	writeAttribute(4, "scale");
3879	writeValue(StringConverter::toString(pTex->getTextureUScale()));
3880	writeValue(StringConverter::toString(pTex->getTextureVScale()));
3881	individualTransformElems = true;
3882	}
3883
3884	// free transform
3885	if (!individualTransformElems &&
3886	(mDefaults \|\|
3887	pTex->getTextureTransform() != Matrix4::IDENTITY))
3888	{
3889	writeAttribute(4, "transform");
3890	const Matrix4& xform = pTex->getTextureTransform();
3891	for (int row = 0; row < 4; ++row)
3892	{
3893	for (int col = 0; col < 4; ++col)
3894	{
3895	writeValue(StringConverter::toString(xform[row][col]));
3896	}
3897	}
3898	}
3899
3900	// Used to store the u and v speeds of scroll animation effects
3901	float scrollAnimU = 0;
3902	float scrollAnimV = 0;
3903
3904	EffectMap m_ef = pTex->getEffects();
3905	if (!m_ef.empty())
3906	{
3907	EffectMap::const_iterator it;
3908	for (it = m_ef.begin(); it != m_ef.end(); ++it)
3909	{
3910	const TextureUnitState::TextureEffect& ef = it->second;
3911	switch (ef.type)
3912	{
3913	case TextureUnitState::ET_ENVIRONMENT_MAP :
3914	writeEnvironmentMapEffect(ef, pTex);
3915	break;
3916	case TextureUnitState::ET_ROTATE :
3917	writeRotationEffect(ef, pTex);
3918	break;
3919	case TextureUnitState::ET_UVSCROLL :
3920	scrollAnimU = scrollAnimV = ef.arg1;
3921	break;
3922	case TextureUnitState::ET_USCROLL :
3923	scrollAnimU = ef.arg1;
3924	break;
3925	case TextureUnitState::ET_VSCROLL :
3926	scrollAnimV = ef.arg1;
3927	break;
3928	case TextureUnitState::ET_TRANSFORM :
3929	writeTransformEffect(ef, pTex);
3930	break;
3931	default:
3932	break;
3933	}
3934	}
3935	}
3936
3937	// u and v scroll animation speeds merged, if present serialize scroll_anim
3938	if(scrollAnimU \|\| scrollAnimV) {
3939	TextureUnitState::TextureEffect texEffect;
3940	texEffect.arg1 = scrollAnimU;
3941	texEffect.arg2 = scrollAnimV;
3942	writeScrollEffect(texEffect, pTex);
3943	}
3944
3945	// Binding type
3946	TextureUnitState::BindingType bt = pTex->getBindingType();
3947	if (mDefaults \|\|
3948	bt != TextureUnitState::BT_FRAGMENT)
3949	{
3950	writeAttribute(4, "binding_type");
3951	switch(bt)
3952	{
3953	case TextureUnitState::BT_FRAGMENT:
3954	writeValue("fragment");
3955	break;
3956	case TextureUnitState::BT_VERTEX:
3957	writeValue("vertex");
3958	break;
3959	};
3960
3961	}
3962	// Content type
3963	if (mDefaults \|\|
3964	pTex->getContentType() != TextureUnitState::CONTENT_NAMED)
3965	{
3966	writeAttribute(4, "content_type");
3967	switch(pTex->getContentType())
3968	{
3969	case TextureUnitState::CONTENT_NAMED:
3970	writeValue("named");
3971	break;
3972	case TextureUnitState::CONTENT_SHADOW:
3973	writeValue("shadow");
3974	break;
3975	};
3976	}
3977
3978	}
3979	endSection(3);
3980
3981	}
3982	//-----------------------------------------------------------------------
3983	void MaterialSerializer::writeEnvironmentMapEffect(const TextureUnitState::TextureEffect& effect, const TextureUnitState *pTex)
3984	{
3985	writeAttribute(4, "env_map");
3986	switch (effect.subtype)
3987	{
3988	case TextureUnitState::ENV_PLANAR:
3989	writeValue("planar");
3990	break;
3991	case TextureUnitState::ENV_CURVED:
3992	writeValue("spherical");
3993	break;
3994	case TextureUnitState::ENV_NORMAL:
3995	writeValue("cubic_normal");
3996	break;
3997	case TextureUnitState::ENV_REFLECTION:
3998	writeValue("cubic_reflection");
3999	break;
4000	}
4001	}
4002	//-----------------------------------------------------------------------
4003	void MaterialSerializer::writeRotationEffect(const TextureUnitState::TextureEffect& effect, const TextureUnitState *pTex)
4004	{
4005	if (effect.arg1)
4006	{
4007	writeAttribute(4, "rotate_anim");
4008	writeValue(StringConverter::toString(effect.arg1));
4009	}
4010	}
4011	//-----------------------------------------------------------------------
4012	void MaterialSerializer::writeTransformEffect(const TextureUnitState::TextureEffect& effect, const TextureUnitState *pTex)
4013	{
4014	writeAttribute(4, "wave_xform");
4015
4016	switch (effect.subtype)
4017	{
4018	case TextureUnitState::TT_ROTATE:
4019	writeValue("rotate");
4020	break;
4021	case TextureUnitState::TT_SCALE_U:
4022	writeValue("scale_x");
4023	break;
4024	case TextureUnitState::TT_SCALE_V:
4025	writeValue("scale_y");
4026	break;
4027	case TextureUnitState::TT_TRANSLATE_U:
4028	writeValue("scroll_x");
4029	break;
4030	case TextureUnitState::TT_TRANSLATE_V:
4031	writeValue("scroll_y");
4032	break;
4033	}
4034
4035	switch (effect.waveType)
4036	{
4037	case WFT_INVERSE_SAWTOOTH:
4038	writeValue("inverse_sawtooth");
4039	break;
4040	case WFT_SAWTOOTH:
4041	writeValue("sawtooth");
4042	break;
4043	case WFT_SINE:
4044	writeValue("sine");
4045	break;
4046	case WFT_SQUARE:
4047	writeValue("square");
4048	break;
4049	case WFT_TRIANGLE:
4050	writeValue("triangle");
4051	break;
4052	case WFT_PWM:
4053	writeValue("pwm");
4054	break;
4055	}
4056
4057	writeValue(StringConverter::toString(effect.base));
4058	writeValue(StringConverter::toString(effect.frequency));
4059	writeValue(StringConverter::toString(effect.phase));
4060	writeValue(StringConverter::toString(effect.amplitude));
4061	}
4062	//-----------------------------------------------------------------------
4063	void MaterialSerializer::writeScrollEffect(
4064	const TextureUnitState::TextureEffect& effect, const TextureUnitState *pTex)
4065	{
4066	if (effect.arg1 \|\| effect.arg2)
4067	{
4068	writeAttribute(4, "scroll_anim");
4069	writeValue(StringConverter::toString(effect.arg1));
4070	writeValue(StringConverter::toString(effect.arg2));
4071	}
4072	}
4073	//-----------------------------------------------------------------------
4074	void MaterialSerializer::writeSceneBlendFactor(const SceneBlendFactor sbf)
4075	{
4076	switch (sbf)
4077	{
4078	case SBF_DEST_ALPHA:
4079	writeValue("dest_alpha");
4080	break;
4081	case SBF_DEST_COLOUR:
4082	writeValue("dest_colour");
4083	break;
4084	case SBF_ONE:
4085	writeValue("one");
4086	break;
4087	case SBF_ONE_MINUS_DEST_ALPHA:
4088	writeValue("one_minus_dest_alpha");
4089	break;
4090	case SBF_ONE_MINUS_DEST_COLOUR:
4091	writeValue("one_minus_dest_colour");
4092	break;
4093	case SBF_ONE_MINUS_SOURCE_ALPHA:
4094	writeValue("one_minus_src_alpha");
4095	break;
4096	case SBF_ONE_MINUS_SOURCE_COLOUR:
4097	writeValue("one_minus_src_colour");
4098	break;
4099	case SBF_SOURCE_ALPHA:
4100	writeValue("src_alpha");
4101	break;
4102	case SBF_SOURCE_COLOUR:
4103	writeValue("src_colour");
4104	break;
4105	case SBF_ZERO:
4106	writeValue("zero");
4107	break;
4108	}
4109	}
4110	//-----------------------------------------------------------------------
4111	void MaterialSerializer::writeSceneBlendFactor(const SceneBlendFactor sbf_src, const SceneBlendFactor sbf_dst)
4112	{
4113	if (sbf_src == SBF_ONE && sbf_dst == SBF_ONE )
4114	writeValue("add");
4115	else if (sbf_src == SBF_DEST_COLOUR && sbf_dst == SBF_ZERO)
4116	writeValue("modulate");
4117	else if (sbf_src == SBF_SOURCE_COLOUR && sbf_dst == SBF_ONE_MINUS_SOURCE_COLOUR)
4118	writeValue("colour_blend");
4119	else if (sbf_src == SBF_SOURCE_ALPHA && sbf_dst == SBF_ONE_MINUS_SOURCE_ALPHA)
4120	writeValue("alpha_blend");
4121	else
4122	{
4123	writeSceneBlendFactor(sbf_src);
4124	writeSceneBlendFactor(sbf_dst);
4125	}
4126	}
4127	//-----------------------------------------------------------------------
4128	void MaterialSerializer::writeCompareFunction(const CompareFunction cf)
4129	{
4130	switch (cf)
4131	{
4132	case CMPF_ALWAYS_FAIL:
4133	writeValue("always_fail");
4134	break;
4135	case CMPF_ALWAYS_PASS:
4136	writeValue("always_pass");
4137	break;
4138	case CMPF_EQUAL:
4139	writeValue("equal");
4140	break;
4141	case CMPF_GREATER:
4142	writeValue("greater");
4143	break;
4144	case CMPF_GREATER_EQUAL:
4145	writeValue("greater_equal");
4146	break;
4147	case CMPF_LESS:
4148	writeValue("less");
4149	break;
4150	case CMPF_LESS_EQUAL:
4151	writeValue("less_equal");
4152	break;
4153	case CMPF_NOT_EQUAL:
4154	writeValue("not_equal");
4155	break;
4156	}
4157	}
4158	//-----------------------------------------------------------------------
4159	void MaterialSerializer::writeColourValue(const ColourValue &colour, bool writeAlpha)
4160	{
4161	writeValue(StringConverter::toString(colour.r));
4162	writeValue(StringConverter::toString(colour.g));
4163	writeValue(StringConverter::toString(colour.b));
4164	if (writeAlpha)
4165	writeValue(StringConverter::toString(colour.a));
4166	}
4167	//-----------------------------------------------------------------------
4168	void MaterialSerializer::writeLayerBlendOperationEx(const LayerBlendOperationEx op)
4169	{
4170	switch (op)
4171	{
4172	case LBX_ADD:
4173	writeValue("add");
4174	break;
4175	case LBX_ADD_SIGNED:
4176	writeValue("add_signed");
4177	break;
4178	case LBX_ADD_SMOOTH:
4179	writeValue("add_smooth");
4180	break;
4181	case LBX_BLEND_CURRENT_ALPHA:
4182	writeValue("blend_current_alpha");
4183	break;
4184	case LBX_BLEND_DIFFUSE_COLOUR:
4185	writeValue("blend_diffuse_colour");
4186	break;
4187	case LBX_BLEND_DIFFUSE_ALPHA:
4188	writeValue("blend_diffuse_alpha");
4189	break;
4190	case LBX_BLEND_MANUAL:
4191	writeValue("blend_manual");
4192	break;
4193	case LBX_BLEND_TEXTURE_ALPHA:
4194	writeValue("blend_texture_alpha");
4195	break;
4196	case LBX_MODULATE:
4197	writeValue("modulate");
4198	break;
4199	case LBX_MODULATE_X2:
4200	writeValue("modulate_x2");
4201	break;
4202	case LBX_MODULATE_X4:
4203	writeValue("modulate_x4");
4204	break;
4205	case LBX_SOURCE1:
4206	writeValue("source1");
4207	break;
4208	case LBX_SOURCE2:
4209	writeValue("source2");
4210	break;
4211	case LBX_SUBTRACT:
4212	writeValue("subtract");
4213	break;
4214	case LBX_DOTPRODUCT:
4215	writeValue("dotproduct");
4216	break;
4217	}
4218	}
4219	//-----------------------------------------------------------------------
4220	void MaterialSerializer::writeLayerBlendSource(const LayerBlendSource lbs)
4221	{
4222	switch (lbs)
4223	{
4224	case LBS_CURRENT:
4225	writeValue("src_current");
4226	break;
4227	case LBS_DIFFUSE:
4228	writeValue("src_diffuse");
4229	break;
4230	case LBS_MANUAL:
4231	writeValue("src_manual");
4232	break;
4233	case LBS_SPECULAR:
4234	writeValue("src_specular");
4235	break;
4236	case LBS_TEXTURE:
4237	writeValue("src_texture");
4238	break;
4239	}
4240	}
4241
4242	// nfz
4243	//-----------------------------------------------------------------------
4244	void MaterialSerializer::writeVertexProgramRef(const Pass* pPass)
4245	{
4246	writeGpuProgramRef("vertex_program_ref",
4247	pPass->getVertexProgram(), pPass->getVertexProgramParameters());
4248	}
4249	//-----------------------------------------------------------------------
4250	void MaterialSerializer::writeShadowCasterVertexProgramRef(const Pass* pPass)
4251	{
4252	writeGpuProgramRef("shadow_caster_vertex_program_ref",
4253	pPass->getShadowCasterVertexProgram(), pPass->getShadowCasterVertexProgramParameters());
4254	}
4255	//-----------------------------------------------------------------------
4256	void MaterialSerializer::writeShadowReceiverVertexProgramRef(const Pass* pPass)
4257	{
4258	writeGpuProgramRef("shadow_receiver_vertex_program_ref",
4259	pPass->getShadowReceiverVertexProgram(), pPass->getShadowReceiverVertexProgramParameters());
4260	}
4261	//-----------------------------------------------------------------------
4262	void MaterialSerializer::writeShadowReceiverFragmentProgramRef(const Pass* pPass)
4263	{
4264	writeGpuProgramRef("shadow_receiver_fragment_program_ref",
4265	pPass->getShadowReceiverFragmentProgram(), pPass->getShadowReceiverFragmentProgramParameters());
4266	}
4267	//-----------------------------------------------------------------------
4268	void MaterialSerializer::writeFragmentProgramRef(const Pass* pPass)
4269	{
4270	writeGpuProgramRef("fragment_program_ref",
4271	pPass->getFragmentProgram(), pPass->getFragmentProgramParameters());
4272	}
4273	//-----------------------------------------------------------------------
4274	void MaterialSerializer::writeGpuProgramRef(const String& attrib,
4275	const GpuProgramPtr& program, const GpuProgramParametersSharedPtr& params)
4276	{
4277	mBuffer += "\n";
4278	writeAttribute(3, attrib);
4279	writeValue(program->getName());
4280	beginSection(3);
4281	{
4282	// write out paramters
4283	GpuProgramParameters* defaultParams= 0;
4284	// does the GPU program have default parameters?
4285	if (program->hasDefaultParameters())
4286	defaultParams = program->getDefaultParameters().getPointer();
4287
4288	writeGPUProgramParameters(params, defaultParams);
4289	}
4290	endSection(3);
4291
4292	// add to GpuProgram contatiner
4293	mGpuProgramDefinitionContainer.insert(program->getName());
4294	}
4295	//-----------------------------------------------------------------------
4296	void MaterialSerializer::writeGPUProgramParameters(
4297	const GpuProgramParametersSharedPtr& params,
4298	GpuProgramParameters* defaultParams, const int level,
4299	const bool useMainBuffer)
4300	{
4301	// iterate through the constant definitions
4302	if (params->hasNamedParameters())
4303	{
4304	writeNamedGpuProgramParameters(params, defaultParams, level, useMainBuffer);
4305	}
4306	else
4307	{
4308	writeLowLevelGpuProgramParameters(params, defaultParams, level, useMainBuffer);
4309	}
4310	}
4311	//-----------------------------------------------------------------------
4312	void MaterialSerializer::writeNamedGpuProgramParameters(
4313	const GpuProgramParametersSharedPtr& params,
4314	GpuProgramParameters* defaultParams, const int level,
4315	const bool useMainBuffer)
4316	{
4317	GpuConstantDefinitionIterator constIt = params->getConstantDefinitionIterator();
4318	while(constIt.hasMoreElements())
4319	{
4320	// get the constant definition
4321	const String& paramName = constIt.peekNextKey();
4322	const GpuConstantDefinition& def =
4323	constIt.getNext();
4324
4325	// get any auto-link
4326	const GpuProgramParameters::AutoConstantEntry* autoEntry =
4327	params->findAutoConstantEntry(paramName);
4328	const GpuProgramParameters::AutoConstantEntry* defaultAutoEntry = 0;
4329	if (defaultParams)
4330	{
4331	defaultAutoEntry =
4332	defaultParams->findAutoConstantEntry(paramName);
4333	}
4334
4335	writeGpuProgramParameter("param_named",
4336	paramName, autoEntry, defaultAutoEntry, def.isFloat(),
4337	def.physicalIndex, def.elementSize * def.arraySize,
4338	params, defaultParams, level, useMainBuffer);
4339	}
4340
4341	}
4342	//-----------------------------------------------------------------------
4343	void MaterialSerializer::writeLowLevelGpuProgramParameters(
4344	const GpuProgramParametersSharedPtr& params,
4345	GpuProgramParameters* defaultParams, const int level,
4346	const bool useMainBuffer)
4347	{
4348	// Iterate over the logical->physical mappings
4349	// This will represent the values which have been set
4350
4351	// float params
4352	const GpuLogicalBufferStruct* floatLogical = params->getFloatLogicalBufferStruct();
4353	{
4354	OGRE_LOCK_MUTEX(floatLogical->mutex)
4355
4356	for(GpuLogicalIndexUseMap::const_iterator i = floatLogical->map.begin();
4357	i != floatLogical->map.end(); ++i)
4358	{
4359	size_t logicalIndex = i->first;
4360	const GpuLogicalIndexUse& logicalUse = i->second;
4361
4362	const GpuProgramParameters::AutoConstantEntry* autoEntry =
4363	params->findFloatAutoConstantEntry(logicalIndex);
4364	const GpuProgramParameters::AutoConstantEntry* defaultAutoEntry = 0;
4365	if (defaultParams)
4366	{
4367	defaultAutoEntry = defaultParams->findFloatAutoConstantEntry(logicalIndex);
4368	}
4369
4370	writeGpuProgramParameter("param_indexed",
4371	StringConverter::toString(logicalIndex), autoEntry,
4372	defaultAutoEntry, true, logicalUse.physicalIndex,
4373	logicalUse.currentSize,
4374	params, defaultParams, level, useMainBuffer);
4375	}
4376	}
4377
4378	// int params
4379	const GpuLogicalBufferStruct* intLogical = params->getIntLogicalBufferStruct();
4380	{
4381	OGRE_LOCK_MUTEX(intLogical->mutex)
4382
4383	for(GpuLogicalIndexUseMap::const_iterator i = intLogical->map.begin();
4384	i != intLogical->map.end(); ++i)
4385	{
4386	size_t logicalIndex = i->first;
4387	const GpuLogicalIndexUse& logicalUse = i->second;
4388
4389	const GpuProgramParameters::AutoConstantEntry* autoEntry =
4390	params->findIntAutoConstantEntry(logicalIndex);
4391	const GpuProgramParameters::AutoConstantEntry* defaultAutoEntry = 0;
4392	if (defaultParams)
4393	{
4394	defaultAutoEntry = defaultParams->findIntAutoConstantEntry(logicalIndex);
4395	}
4396
4397	writeGpuProgramParameter("param_indexed",
4398	StringConverter::toString(logicalIndex), autoEntry,
4399	defaultAutoEntry, false, logicalUse.physicalIndex,
4400	logicalUse.currentSize,
4401	params, defaultParams, level, useMainBuffer);
4402	}
4403
4404	}
4405
4406	}
4407	//-----------------------------------------------------------------------
4408	void MaterialSerializer::writeGpuProgramParameter(
4409	const String& commandName, const String& identifier,
4410	const GpuProgramParameters::AutoConstantEntry* autoEntry,
4411	const GpuProgramParameters::AutoConstantEntry* defaultAutoEntry,
4412	bool isFloat, size_t physicalIndex, size_t physicalSize,
4413	const GpuProgramParametersSharedPtr& params, GpuProgramParameters* defaultParams,
4414	const int level, const bool useMainBuffer)
4415	{
4416	// Skip any params with array qualifiers
4417	// These are only for convenience of setters, the full array will be
4418	// written using the base, non-array identifier
4419	if (identifier.find("[") != String::npos)
4420	{
4421	return;
4422	}
4423
4424	// get any auto-link
4425	// don't duplicate constants that are defined as a default parameter
4426	bool different = false;
4427	if (defaultParams)
4428	{
4429	// if default is auto but we're not or vice versa
4430	if ((autoEntry == 0) != (defaultAutoEntry == 0))
4431	{
4432	different = true;
4433	}
4434	else if (autoEntry)
4435	{
4436	// both must be auto
4437	// compare the auto values
4438	different = (autoEntry->paramType != defaultAutoEntry->paramType
4439	\|\| autoEntry->data != defaultAutoEntry->data);
4440	}
4441	else
4442	{
4443	// compare the non-auto (raw buffer) values
4444	// param buffers are always initialised with all zeros
4445	// so unset == unset
4446	if (isFloat)
4447	{
4448	different = memcmp(
4449	params->getFloatPointer(physicalIndex),
4450	defaultParams->getFloatPointer(physicalIndex),
4451	sizeof(float) * physicalSize) != 0;
4452	}
4453	else
4454	{
4455	different = memcmp(
4456	params->getIntPointer(physicalIndex),
4457	defaultParams->getIntPointer(physicalIndex),
4458	sizeof(int) * physicalSize) != 0;
4459	}
4460	}
4461	}
4462
4463	if (!defaultParams \|\| different)
4464	{
4465	String label = commandName;
4466
4467	// is it auto
4468	if (autoEntry)
4469	label += "_auto";
4470
4471	writeAttribute(level, label, useMainBuffer);
4472	// output param index / name
4473	writeValue(identifier, useMainBuffer);
4474
4475	// if auto output auto type name and data if needed
4476	if (autoEntry)
4477	{
4478	const GpuProgramParameters::AutoConstantDefinition* autoConstDef =
4479	GpuProgramParameters::getAutoConstantDefinition(autoEntry->paramType);
4480
4481	assert(autoConstDef && "Bad auto constant Definition Table");
4482	// output auto constant name
4483	writeValue(autoConstDef->name, useMainBuffer);
4484	// output data if it uses it
4485	switch(autoConstDef->dataType)
4486	{
4487	case GpuProgramParameters::ACDT_REAL:
4488	writeValue(StringConverter::toString(autoEntry->fData), useMainBuffer);
4489	break;
4490
4491	case GpuProgramParameters::ACDT_INT:
4492	writeValue(StringConverter::toString(autoEntry->data), useMainBuffer);
4493	break;
4494
4495	default:
4496	break;
4497	}
4498	}
4499	else // not auto so output all the values used
4500	{
4501	String countLabel;
4502
4503	// only write a number if > 1
4504	if (physicalSize > 1)
4505	countLabel = StringConverter::toString(physicalSize);
4506
4507	if (isFloat)
4508	{
4509	// Get pointer to start of values
4510	const float* pFloat = params->getFloatPointer(physicalIndex);
4511
4512	writeValue("float" + countLabel, useMainBuffer);
4513	// iterate through real constants
4514	for (size_t f = 0 ; f < physicalSize; ++f)
4515	{
4516	writeValue(StringConverter::toString(*pFloat++), useMainBuffer);
4517	}
4518	}
4519	else
4520	{
4521	// Get pointer to start of values
4522	const int* pInt = params->getIntPointer(physicalIndex);
4523
4524	writeValue("int" + countLabel, useMainBuffer);
4525	// iterate through real constants
4526	for (size_t f = 0 ; f < physicalSize; ++f)
4527	{
4528	writeValue(StringConverter::toString(*pInt++), useMainBuffer);
4529	}
4530
4531	} // end if (float/int)
4532
4533	}
4534
4535	}
4536
4537	}
4538	//-----------------------------------------------------------------------
4539	void MaterialSerializer::writeGpuPrograms(void)
4540	{
4541	// iterate through gpu program names in container
4542	GpuProgramDefIterator currentDef = mGpuProgramDefinitionContainer.begin();
4543	GpuProgramDefIterator endDef = mGpuProgramDefinitionContainer.end();
4544
4545	while (currentDef != endDef)
4546	{
4547	// get gpu program from gpu program manager
4548	GpuProgramPtr program = GpuProgramManager::getSingleton().getByName((*currentDef));
4549	// write gpu program definition type to buffer
4550	// check program type for vertex program
4551	// write program type
4552	mGpuProgramBuffer += "\n";
4553	writeAttribute(0, program->getParameter("type"), false);
4554
4555	// write program name
4556	writeValue( program->getName(), false);
4557	// write program language
4558	const String language = program->getLanguage();
4559	writeValue( language, false );
4560	// write opening braces
4561	beginSection(0, false);
4562	{
4563	// write program source + filenmae
4564	writeAttribute(1, "source", false);
4565	writeValue(program->getSourceFile(), false);
4566	// write special parameters based on language
4567	const ParameterList& params = program->getParameters();
4568	ParameterList::const_iterator currentParam = params.begin();
4569	ParameterList::const_iterator endParam = params.end();
4570
4571	while (currentParam != endParam)
4572	{
4573	if (currentParam->name != "type")
4574	{
4575	String paramstr = program->getParameter(currentParam->name);
4576	if ((currentParam->name == "includes_skeletal_animation")
4577	&& (paramstr == "false"))
4578	paramstr.clear();
4579	if ((currentParam->name == "includes_morph_animation")
4580	&& (paramstr == "false"))
4581	paramstr.clear();
4582	if ((currentParam->name == "includes_pose_animation")
4583	&& (paramstr == "0"))
4584	paramstr.clear();
4585	if ((currentParam->name == "uses_vertex_texture_fetch")
4586	&& (paramstr == "false"))
4587	paramstr.clear();
4588
4589	if ((language != "asm") && (currentParam->name == "syntax"))
4590	paramstr.clear();
4591
4592	if (!paramstr.empty())
4593	{
4594	writeAttribute(1, currentParam->name, false);
4595	writeValue(paramstr, false);
4596	}
4597	}
4598	++currentParam;
4599	}
4600
4601	// write default parameters
4602	if (program->hasDefaultParameters())
4603	{
4604	mGpuProgramBuffer += "\n";
4605	GpuProgramParametersSharedPtr gpuDefaultParams = program->getDefaultParameters();
4606	writeAttribute(1, "default_params", false);
4607	beginSection(1, false);
4608	writeGPUProgramParameters(gpuDefaultParams, 0, 2, false);
4609	endSection(1, false);
4610	}
4611	}
4612	// write closing braces
4613	endSection(0, false);
4614
4615	++currentDef;
4616
4617	}
4618
4619	mGpuProgramBuffer += "\n";
4620	}
4621
4622	}

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source: downloads/OgreMain/src/OgreMaterialSerializer.cpp @ 6

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