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-rw-r--r-- | libraries/irrlicht-1.8/include/IQ3Shader.h | 884 |
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diff --git a/libraries/irrlicht-1.8/include/IQ3Shader.h b/libraries/irrlicht-1.8/include/IQ3Shader.h new file mode 100644 index 0000000..080471a --- /dev/null +++ b/libraries/irrlicht-1.8/include/IQ3Shader.h | |||
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1 | // Copyright (C) 2006-2012 Nikolaus Gebhardt / Thomas Alten | ||
2 | // This file is part of the "Irrlicht Engine". | ||
3 | // For conditions of distribution and use, see copyright notice in irrlicht.h | ||
4 | |||
5 | #ifndef __I_Q3_LEVEL_SHADER_H_INCLUDED__ | ||
6 | #define __I_Q3_LEVEL_SHADER_H_INCLUDED__ | ||
7 | |||
8 | #include "irrArray.h" | ||
9 | #include "fast_atof.h" | ||
10 | #include "IFileSystem.h" | ||
11 | #include "IVideoDriver.h" | ||
12 | #include "coreutil.h" | ||
13 | |||
14 | namespace irr | ||
15 | { | ||
16 | namespace scene | ||
17 | { | ||
18 | namespace quake3 | ||
19 | { | ||
20 | |||
21 | static core::stringc irrEmptyStringc(""); | ||
22 | |||
23 | //! Hold the different Mesh Types used for getMesh | ||
24 | enum eQ3MeshIndex | ||
25 | { | ||
26 | E_Q3_MESH_GEOMETRY = 0, | ||
27 | E_Q3_MESH_ITEMS, | ||
28 | E_Q3_MESH_BILLBOARD, | ||
29 | E_Q3_MESH_FOG, | ||
30 | E_Q3_MESH_UNRESOLVED, | ||
31 | E_Q3_MESH_SIZE | ||
32 | }; | ||
33 | |||
34 | /*! used to customize Quake3 BSP Loader | ||
35 | */ | ||
36 | |||
37 | struct Q3LevelLoadParameter | ||
38 | { | ||
39 | Q3LevelLoadParameter () | ||
40 | :defaultLightMapMaterial ( video::EMT_LIGHTMAP_M4 ), | ||
41 | defaultModulate ( video::EMFN_MODULATE_4X ), | ||
42 | defaultFilter ( video::EMF_BILINEAR_FILTER ), | ||
43 | patchTesselation ( 8 ), | ||
44 | verbose ( 0 ), | ||
45 | startTime ( 0 ), endTime ( 0 ), | ||
46 | mergeShaderBuffer ( 1 ), | ||
47 | cleanUnResolvedMeshes ( 1 ), | ||
48 | loadAllShaders ( 0 ), | ||
49 | loadSkyShader ( 0 ), | ||
50 | alpharef ( 1 ), | ||
51 | swapLump ( 0 ), | ||
52 | #ifdef __BIG_ENDIAN__ | ||
53 | swapHeader ( 1 ) | ||
54 | #else | ||
55 | swapHeader ( 0 ) | ||
56 | #endif | ||
57 | { | ||
58 | memcpy ( scriptDir, "scripts\x0", 8 ); | ||
59 | } | ||
60 | |||
61 | video::E_MATERIAL_TYPE defaultLightMapMaterial; | ||
62 | video::E_MODULATE_FUNC defaultModulate; | ||
63 | video::E_MATERIAL_FLAG defaultFilter; | ||
64 | s32 patchTesselation; | ||
65 | s32 verbose; | ||
66 | u32 startTime; | ||
67 | u32 endTime; | ||
68 | s32 mergeShaderBuffer; | ||
69 | s32 cleanUnResolvedMeshes; | ||
70 | s32 loadAllShaders; | ||
71 | s32 loadSkyShader; | ||
72 | s32 alpharef; | ||
73 | s32 swapLump; | ||
74 | s32 swapHeader; | ||
75 | c8 scriptDir [ 64 ]; | ||
76 | }; | ||
77 | |||
78 | // some useful typedefs | ||
79 | typedef core::array< core::stringc > tStringList; | ||
80 | typedef core::array< video::ITexture* > tTexArray; | ||
81 | |||
82 | // string helper.. TODO: move to generic files | ||
83 | inline s16 isEqual ( const core::stringc &string, u32 &pos, const c8 *list[], u16 listSize ) | ||
84 | { | ||
85 | const char * in = string.c_str () + pos; | ||
86 | |||
87 | for ( u16 i = 0; i != listSize; ++i ) | ||
88 | { | ||
89 | if (string.size() < pos) | ||
90 | return -2; | ||
91 | u32 len = (u32) strlen ( list[i] ); | ||
92 | if (string.size() < pos+len) | ||
93 | continue; | ||
94 | if ( in [len] != 0 && in [len] != ' ' ) | ||
95 | continue; | ||
96 | if ( strncmp ( in, list[i], len ) ) | ||
97 | continue; | ||
98 | |||
99 | pos += len + 1; | ||
100 | return (s16) i; | ||
101 | } | ||
102 | return -2; | ||
103 | } | ||
104 | |||
105 | inline f32 getAsFloat ( const core::stringc &string, u32 &pos ) | ||
106 | { | ||
107 | const char * in = string.c_str () + pos; | ||
108 | |||
109 | f32 value = 0.f; | ||
110 | pos += (u32) ( core::fast_atof_move ( in, value ) - in ) + 1; | ||
111 | return value; | ||
112 | } | ||
113 | |||
114 | //! get a quake3 vector translated to irrlicht position (x,-z,y ) | ||
115 | inline core::vector3df getAsVector3df ( const core::stringc &string, u32 &pos ) | ||
116 | { | ||
117 | core::vector3df v; | ||
118 | |||
119 | v.X = getAsFloat ( string, pos ); | ||
120 | v.Z = getAsFloat ( string, pos ); | ||
121 | v.Y = getAsFloat ( string, pos ); | ||
122 | |||
123 | return v; | ||
124 | } | ||
125 | |||
126 | |||
127 | /* | ||
128 | extract substrings | ||
129 | */ | ||
130 | inline void getAsStringList ( tStringList &list, s32 max, const core::stringc &string, u32 &startPos ) | ||
131 | { | ||
132 | list.clear (); | ||
133 | |||
134 | s32 finish = 0; | ||
135 | s32 endPos; | ||
136 | do | ||
137 | { | ||
138 | endPos = string.findNext ( ' ', startPos ); | ||
139 | if ( endPos == -1 ) | ||
140 | { | ||
141 | finish = 1; | ||
142 | endPos = string.size(); | ||
143 | } | ||
144 | |||
145 | list.push_back ( string.subString ( startPos, endPos - startPos ) ); | ||
146 | startPos = endPos + 1; | ||
147 | |||
148 | if ( list.size() >= (u32) max ) | ||
149 | finish = 1; | ||
150 | |||
151 | } while ( !finish ); | ||
152 | |||
153 | } | ||
154 | |||
155 | //! A blend function for a q3 shader. | ||
156 | struct SBlendFunc | ||
157 | { | ||
158 | SBlendFunc ( video::E_MODULATE_FUNC mod ) | ||
159 | : type ( video::EMT_SOLID ), modulate ( mod ), | ||
160 | param0( 0.f ), | ||
161 | isTransparent ( 0 ) {} | ||
162 | |||
163 | video::E_MATERIAL_TYPE type; | ||
164 | video::E_MODULATE_FUNC modulate; | ||
165 | |||
166 | f32 param0; | ||
167 | u32 isTransparent; | ||
168 | }; | ||
169 | |||
170 | // parses the content of Variable cull | ||
171 | inline bool getCullingFunction ( const core::stringc &cull ) | ||
172 | { | ||
173 | if ( cull.size() == 0 ) | ||
174 | return true; | ||
175 | |||
176 | bool ret = true; | ||
177 | static const c8 * funclist[] = { "none", "disable", "twosided" }; | ||
178 | |||
179 | u32 pos = 0; | ||
180 | switch ( isEqual ( cull, pos, funclist, 3 ) ) | ||
181 | { | ||
182 | case 0: | ||
183 | case 1: | ||
184 | case 2: | ||
185 | ret = false; | ||
186 | break; | ||
187 | } | ||
188 | return ret; | ||
189 | } | ||
190 | |||
191 | // parses the content of Variable depthfunc | ||
192 | // return a z-test | ||
193 | inline u8 getDepthFunction ( const core::stringc &string ) | ||
194 | { | ||
195 | u8 ret = video::ECFN_LESSEQUAL; | ||
196 | |||
197 | if ( string.size() == 0 ) | ||
198 | return ret; | ||
199 | |||
200 | static const c8 * funclist[] = { "lequal","equal" }; | ||
201 | |||
202 | u32 pos = 0; | ||
203 | switch ( isEqual ( string, pos, funclist, 2 ) ) | ||
204 | { | ||
205 | case 0: | ||
206 | ret = video::ECFN_LESSEQUAL; | ||
207 | case 1: | ||
208 | ret = video::ECFN_EQUAL; | ||
209 | break; | ||
210 | } | ||
211 | return ret; | ||
212 | } | ||
213 | |||
214 | |||
215 | /*! | ||
216 | parses the content of Variable blendfunc,alphafunc | ||
217 | it also make a hint for rendering as transparent or solid node. | ||
218 | |||
219 | we assume a typical quake scene would look like this.. | ||
220 | 1) Big Static Mesh ( solid ) | ||
221 | 2) static scene item ( may use transparency ) but rendered in the solid pass | ||
222 | 3) additional transparency item in the transparent pass | ||
223 | |||
224 | it's not 100% accurate! it just empirical.. | ||
225 | */ | ||
226 | inline static void getBlendFunc ( const core::stringc &string, SBlendFunc &blendfunc ) | ||
227 | { | ||
228 | if ( string.size() == 0 ) | ||
229 | return; | ||
230 | |||
231 | // maps to E_BLEND_FACTOR | ||
232 | static const c8 * funclist[] = | ||
233 | { | ||
234 | "gl_zero", | ||
235 | "gl_one", | ||
236 | "gl_dst_color", | ||
237 | "gl_one_minus_dst_color", | ||
238 | "gl_src_color", | ||
239 | "gl_one_minus_src_color", | ||
240 | "gl_src_alpha", | ||
241 | "gl_one_minus_src_alpha", | ||
242 | "gl_dst_alpha", | ||
243 | "gl_one_minus_dst_alpha", | ||
244 | "gl_src_alpha_sat", | ||
245 | |||
246 | "add", | ||
247 | "filter", | ||
248 | "blend", | ||
249 | |||
250 | "ge128", | ||
251 | "gt0", | ||
252 | }; | ||
253 | |||
254 | |||
255 | u32 pos = 0; | ||
256 | s32 srcFact = isEqual ( string, pos, funclist, 16 ); | ||
257 | |||
258 | if ( srcFact < 0 ) | ||
259 | return; | ||
260 | |||
261 | u32 resolved = 0; | ||
262 | s32 dstFact = isEqual ( string, pos, funclist, 16 ); | ||
263 | |||
264 | switch ( srcFact ) | ||
265 | { | ||
266 | case video::EBF_ZERO: | ||
267 | switch ( dstFact ) | ||
268 | { | ||
269 | // gl_zero gl_src_color == gl_dst_color gl_zero | ||
270 | case video::EBF_SRC_COLOR: | ||
271 | blendfunc.type = video::EMT_ONETEXTURE_BLEND; | ||
272 | blendfunc.param0 = video::pack_textureBlendFunc ( video::EBF_DST_COLOR, video::EBF_ZERO, blendfunc.modulate ); | ||
273 | blendfunc.isTransparent = 1; | ||
274 | resolved = 1; | ||
275 | break; | ||
276 | } break; | ||
277 | |||
278 | case video::EBF_ONE: | ||
279 | switch ( dstFact ) | ||
280 | { | ||
281 | // gl_one gl_zero | ||
282 | case video::EBF_ZERO: | ||
283 | blendfunc.type = video::EMT_SOLID; | ||
284 | blendfunc.isTransparent = 0; | ||
285 | resolved = 1; | ||
286 | break; | ||
287 | |||
288 | // gl_one gl_one | ||
289 | case video::EBF_ONE: | ||
290 | blendfunc.type = video::EMT_TRANSPARENT_ADD_COLOR; | ||
291 | blendfunc.isTransparent = 1; | ||
292 | resolved = 1; | ||
293 | break; | ||
294 | } break; | ||
295 | |||
296 | case video::EBF_SRC_ALPHA: | ||
297 | switch ( dstFact ) | ||
298 | { | ||
299 | // gl_src_alpha gl_one_minus_src_alpha | ||
300 | case video::EBF_ONE_MINUS_SRC_ALPHA: | ||
301 | blendfunc.type = video::EMT_TRANSPARENT_ALPHA_CHANNEL; | ||
302 | blendfunc.param0 = 1.f/255.f; | ||
303 | blendfunc.isTransparent = 1; | ||
304 | resolved = 1; | ||
305 | break; | ||
306 | } break; | ||
307 | |||
308 | case 11: | ||
309 | // add | ||
310 | blendfunc.type = video::EMT_TRANSPARENT_ADD_COLOR; | ||
311 | blendfunc.isTransparent = 1; | ||
312 | resolved = 1; | ||
313 | break; | ||
314 | case 12: | ||
315 | // filter = gl_dst_color gl_zero or gl_zero gl_src_color | ||
316 | blendfunc.type = video::EMT_ONETEXTURE_BLEND; | ||
317 | blendfunc.param0 = video::pack_textureBlendFunc ( video::EBF_DST_COLOR, video::EBF_ZERO, blendfunc.modulate ); | ||
318 | blendfunc.isTransparent = 1; | ||
319 | resolved = 1; | ||
320 | break; | ||
321 | case 13: | ||
322 | // blend = gl_src_alpha gl_one_minus_src_alpha | ||
323 | blendfunc.type = video::EMT_TRANSPARENT_ALPHA_CHANNEL; | ||
324 | blendfunc.param0 = 1.f/255.f; | ||
325 | blendfunc.isTransparent = 1; | ||
326 | resolved = 1; | ||
327 | break; | ||
328 | case 14: | ||
329 | // alphafunc ge128 | ||
330 | blendfunc.type = video::EMT_TRANSPARENT_ALPHA_CHANNEL; | ||
331 | blendfunc.param0 = 0.5f; | ||
332 | blendfunc.isTransparent = 1; | ||
333 | resolved = 1; | ||
334 | break; | ||
335 | case 15: | ||
336 | // alphafunc gt0 | ||
337 | blendfunc.type = video::EMT_TRANSPARENT_ALPHA_CHANNEL; | ||
338 | blendfunc.param0 = 1.f / 255.f; | ||
339 | blendfunc.isTransparent = 1; | ||
340 | resolved = 1; | ||
341 | break; | ||
342 | |||
343 | } | ||
344 | |||
345 | // use the generic blender | ||
346 | if ( 0 == resolved ) | ||
347 | { | ||
348 | blendfunc.type = video::EMT_ONETEXTURE_BLEND; | ||
349 | blendfunc.param0 = video::pack_textureBlendFunc ( | ||
350 | (video::E_BLEND_FACTOR) srcFact, | ||
351 | (video::E_BLEND_FACTOR) dstFact, | ||
352 | blendfunc.modulate); | ||
353 | |||
354 | blendfunc.isTransparent = 1; | ||
355 | } | ||
356 | } | ||
357 | |||
358 | // random noise [-1;1] | ||
359 | struct Noiser | ||
360 | { | ||
361 | static f32 get () | ||
362 | { | ||
363 | static u32 RandomSeed = 0x69666966; | ||
364 | RandomSeed = (RandomSeed * 3631 + 1); | ||
365 | |||
366 | f32 value = ( (f32) (RandomSeed & 0x7FFF ) * (1.0f / (f32)(0x7FFF >> 1) ) ) - 1.f; | ||
367 | return value; | ||
368 | } | ||
369 | }; | ||
370 | |||
371 | enum eQ3ModifierFunction | ||
372 | { | ||
373 | TCMOD = 0, | ||
374 | DEFORMVERTEXES = 1, | ||
375 | RGBGEN = 2, | ||
376 | TCGEN = 3, | ||
377 | MAP = 4, | ||
378 | ALPHAGEN = 5, | ||
379 | |||
380 | FUNCTION2 = 0x10, | ||
381 | SCROLL = FUNCTION2 + 1, | ||
382 | SCALE = FUNCTION2 + 2, | ||
383 | ROTATE = FUNCTION2 + 3, | ||
384 | STRETCH = FUNCTION2 + 4, | ||
385 | TURBULENCE = FUNCTION2 + 5, | ||
386 | WAVE = FUNCTION2 + 6, | ||
387 | |||
388 | IDENTITY = FUNCTION2 + 7, | ||
389 | VERTEX = FUNCTION2 + 8, | ||
390 | TEXTURE = FUNCTION2 + 9, | ||
391 | LIGHTMAP = FUNCTION2 + 10, | ||
392 | ENVIRONMENT = FUNCTION2 + 11, | ||
393 | DOLLAR_LIGHTMAP = FUNCTION2 + 12, | ||
394 | BULGE = FUNCTION2 + 13, | ||
395 | AUTOSPRITE = FUNCTION2 + 14, | ||
396 | AUTOSPRITE2 = FUNCTION2 + 15, | ||
397 | TRANSFORM = FUNCTION2 + 16, | ||
398 | EXACTVERTEX = FUNCTION2 + 17, | ||
399 | CONSTANT = FUNCTION2 + 18, | ||
400 | LIGHTINGSPECULAR = FUNCTION2 + 19, | ||
401 | MOVE = FUNCTION2 + 20, | ||
402 | NORMAL = FUNCTION2 + 21, | ||
403 | IDENTITYLIGHTING = FUNCTION2 + 22, | ||
404 | |||
405 | WAVE_MODIFIER_FUNCTION = 0x30, | ||
406 | SINUS = WAVE_MODIFIER_FUNCTION + 1, | ||
407 | COSINUS = WAVE_MODIFIER_FUNCTION + 2, | ||
408 | SQUARE = WAVE_MODIFIER_FUNCTION + 3, | ||
409 | TRIANGLE = WAVE_MODIFIER_FUNCTION + 4, | ||
410 | SAWTOOTH = WAVE_MODIFIER_FUNCTION + 5, | ||
411 | SAWTOOTH_INVERSE = WAVE_MODIFIER_FUNCTION + 6, | ||
412 | NOISE = WAVE_MODIFIER_FUNCTION + 7, | ||
413 | |||
414 | |||
415 | UNKNOWN = -2 | ||
416 | |||
417 | }; | ||
418 | |||
419 | struct SModifierFunction | ||
420 | { | ||
421 | SModifierFunction () | ||
422 | : masterfunc0 ( UNKNOWN ), masterfunc1( UNKNOWN ), func ( SINUS ), | ||
423 | tcgen( TEXTURE ), rgbgen ( IDENTITY ), alphagen ( UNKNOWN ), | ||
424 | base ( 0 ), amp ( 1 ), phase ( 0 ), frequency ( 1 ), | ||
425 | wave ( 1 ), | ||
426 | x ( 0 ), y ( 0 ), z( 0 ), count( 0 ) {} | ||
427 | |||
428 | // "tcmod","deformvertexes","rgbgen", "tcgen" | ||
429 | eQ3ModifierFunction masterfunc0; | ||
430 | // depends | ||
431 | eQ3ModifierFunction masterfunc1; | ||
432 | // depends | ||
433 | eQ3ModifierFunction func; | ||
434 | |||
435 | eQ3ModifierFunction tcgen; | ||
436 | eQ3ModifierFunction rgbgen; | ||
437 | eQ3ModifierFunction alphagen; | ||
438 | |||
439 | union | ||
440 | { | ||
441 | f32 base; | ||
442 | f32 bulgewidth; | ||
443 | }; | ||
444 | |||
445 | union | ||
446 | { | ||
447 | f32 amp; | ||
448 | f32 bulgeheight; | ||
449 | }; | ||
450 | |||
451 | f32 phase; | ||
452 | |||
453 | union | ||
454 | { | ||
455 | f32 frequency; | ||
456 | f32 bulgespeed; | ||
457 | }; | ||
458 | |||
459 | union | ||
460 | { | ||
461 | f32 wave; | ||
462 | f32 div; | ||
463 | }; | ||
464 | |||
465 | f32 x; | ||
466 | f32 y; | ||
467 | f32 z; | ||
468 | u32 count; | ||
469 | |||
470 | f32 evaluate ( f32 dt ) const | ||
471 | { | ||
472 | // phase in 0 and 1.. | ||
473 | f32 x = core::fract( (dt + phase ) * frequency ); | ||
474 | f32 y = 0.f; | ||
475 | |||
476 | switch ( func ) | ||
477 | { | ||
478 | case SINUS: | ||
479 | y = sinf ( x * core::PI * 2.f ); | ||
480 | break; | ||
481 | case COSINUS: | ||
482 | y = cosf ( x * core::PI * 2.f ); | ||
483 | break; | ||
484 | case SQUARE: | ||
485 | y = x < 0.5f ? 1.f : -1.f; | ||
486 | break; | ||
487 | case TRIANGLE: | ||
488 | y = x < 0.5f ? ( 4.f * x ) - 1.f : ( -4.f * x ) + 3.f; | ||
489 | break; | ||
490 | case SAWTOOTH: | ||
491 | y = x; | ||
492 | break; | ||
493 | case SAWTOOTH_INVERSE: | ||
494 | y = 1.f - x; | ||
495 | break; | ||
496 | case NOISE: | ||
497 | y = Noiser::get(); | ||
498 | break; | ||
499 | default: | ||
500 | break; | ||
501 | } | ||
502 | |||
503 | return base + ( y * amp ); | ||
504 | } | ||
505 | |||
506 | |||
507 | }; | ||
508 | |||
509 | inline core::vector3df getMD3Normal ( u32 i, u32 j ) | ||
510 | { | ||
511 | const f32 lng = i * 2.0f * core::PI / 255.0f; | ||
512 | const f32 lat = j * 2.0f * core::PI / 255.0f; | ||
513 | return core::vector3df(cosf ( lat ) * sinf ( lng ), | ||
514 | sinf ( lat ) * sinf ( lng ), | ||
515 | cosf ( lng )); | ||
516 | } | ||
517 | |||
518 | // | ||
519 | inline void getModifierFunc ( SModifierFunction& fill, const core::stringc &string, u32 &pos ) | ||
520 | { | ||
521 | if ( string.size() == 0 ) | ||
522 | return; | ||
523 | |||
524 | static const c8 * funclist[] = | ||
525 | { | ||
526 | "sin","cos","square", | ||
527 | "triangle", "sawtooth","inversesawtooth", "noise" | ||
528 | }; | ||
529 | |||
530 | fill.func = (eQ3ModifierFunction) isEqual ( string,pos, funclist,7 ); | ||
531 | fill.func = fill.func == UNKNOWN ? SINUS : (eQ3ModifierFunction) ((u32) fill.func + WAVE_MODIFIER_FUNCTION + 1); | ||
532 | |||
533 | fill.base = getAsFloat ( string, pos ); | ||
534 | fill.amp = getAsFloat ( string, pos ); | ||
535 | fill.phase = getAsFloat ( string, pos ); | ||
536 | fill.frequency = getAsFloat ( string, pos ); | ||
537 | } | ||
538 | |||
539 | |||
540 | // name = "a b c .." | ||
541 | struct SVariable | ||
542 | { | ||
543 | core::stringc name; | ||
544 | core::stringc content; | ||
545 | |||
546 | SVariable ( const c8 * n, const c8 *c = 0 ) : name ( n ), content (c) {} | ||
547 | virtual ~SVariable () {} | ||
548 | |||
549 | void clear () | ||
550 | { | ||
551 | name = ""; | ||
552 | content = ""; | ||
553 | } | ||
554 | |||
555 | s32 isValid () const | ||
556 | { | ||
557 | return name.size(); | ||
558 | } | ||
559 | |||
560 | bool operator == ( const SVariable &other ) const | ||
561 | { | ||
562 | return 0 == strcmp ( name.c_str(), other.name.c_str () ); | ||
563 | } | ||
564 | |||
565 | bool operator < ( const SVariable &other ) const | ||
566 | { | ||
567 | return 0 > strcmp ( name.c_str(), other.name.c_str () ); | ||
568 | } | ||
569 | |||
570 | }; | ||
571 | |||
572 | |||
573 | // string database. "a" = "Hello", "b" = "1234.6" | ||
574 | struct SVarGroup | ||
575 | { | ||
576 | SVarGroup () { Variable.setAllocStrategy ( core::ALLOC_STRATEGY_SAFE ); } | ||
577 | virtual ~SVarGroup () {} | ||
578 | |||
579 | u32 isDefined ( const c8 * name, const c8 * content = 0 ) const | ||
580 | { | ||
581 | for ( u32 i = 0; i != Variable.size (); ++i ) | ||
582 | { | ||
583 | if ( 0 == strcmp ( Variable[i].name.c_str(), name ) && | ||
584 | ( 0 == content || strstr ( Variable[i].content.c_str(), content ) ) | ||
585 | ) | ||
586 | { | ||
587 | return i + 1; | ||
588 | } | ||
589 | } | ||
590 | return 0; | ||
591 | } | ||
592 | |||
593 | // searches for Variable name and returns is content | ||
594 | // if Variable is not found a reference to an Empty String is returned | ||
595 | const core::stringc &get( const c8 * name ) const | ||
596 | { | ||
597 | SVariable search ( name ); | ||
598 | s32 index = Variable.linear_search ( search ); | ||
599 | if ( index < 0 ) | ||
600 | return irrEmptyStringc; | ||
601 | |||
602 | return Variable [ index ].content; | ||
603 | } | ||
604 | |||
605 | // set the Variable name | ||
606 | void set ( const c8 * name, const c8 * content = 0 ) | ||
607 | { | ||
608 | u32 index = isDefined ( name, 0 ); | ||
609 | if ( 0 == index ) | ||
610 | { | ||
611 | Variable.push_back ( SVariable ( name, content ) ); | ||
612 | } | ||
613 | else | ||
614 | { | ||
615 | Variable [ index ].content = content; | ||
616 | } | ||
617 | } | ||
618 | |||
619 | |||
620 | core::array < SVariable > Variable; | ||
621 | }; | ||
622 | |||
623 | //! holding a group a variable | ||
624 | struct SVarGroupList: public IReferenceCounted | ||
625 | { | ||
626 | SVarGroupList () | ||
627 | { | ||
628 | VariableGroup.setAllocStrategy ( core::ALLOC_STRATEGY_SAFE ); | ||
629 | } | ||
630 | virtual ~SVarGroupList () {} | ||
631 | |||
632 | core::array < SVarGroup > VariableGroup; | ||
633 | }; | ||
634 | |||
635 | |||
636 | //! A Parsed Shader Holding Variables ordered in Groups | ||
637 | struct IShader | ||
638 | { | ||
639 | IShader () | ||
640 | : ID ( 0 ), VarGroup ( 0 ) {} | ||
641 | virtual ~IShader () {} | ||
642 | |||
643 | void operator = (const IShader &other ) | ||
644 | { | ||
645 | ID = other.ID; | ||
646 | VarGroup = other.VarGroup; | ||
647 | name = other.name; | ||
648 | } | ||
649 | |||
650 | bool operator == (const IShader &other ) const | ||
651 | { | ||
652 | return 0 == strcmp ( name.c_str(), other.name.c_str () ); | ||
653 | //return name == other.name; | ||
654 | } | ||
655 | |||
656 | bool operator < (const IShader &other ) const | ||
657 | { | ||
658 | return strcmp ( name.c_str(), other.name.c_str () ) < 0; | ||
659 | //return name < other.name; | ||
660 | } | ||
661 | |||
662 | u32 getGroupSize () const | ||
663 | { | ||
664 | if ( 0 == VarGroup ) | ||
665 | return 0; | ||
666 | return VarGroup->VariableGroup.size (); | ||
667 | } | ||
668 | |||
669 | const SVarGroup * getGroup ( u32 stage ) const | ||
670 | { | ||
671 | if ( 0 == VarGroup || stage >= VarGroup->VariableGroup.size () ) | ||
672 | return 0; | ||
673 | |||
674 | return &VarGroup->VariableGroup [ stage ]; | ||
675 | } | ||
676 | |||
677 | // id | ||
678 | s32 ID; | ||
679 | SVarGroupList *VarGroup; // reference | ||
680 | |||
681 | // Shader: shader name ( also first variable in first Vargroup ) | ||
682 | // Entity: classname ( variable in Group(1) ) | ||
683 | core::stringc name; | ||
684 | }; | ||
685 | |||
686 | typedef IShader IEntity; | ||
687 | |||
688 | typedef core::array < IEntity > tQ3EntityList; | ||
689 | |||
690 | /* | ||
691 | dump shader like original layout, regardless of internal data holding | ||
692 | no recursive folding.. | ||
693 | */ | ||
694 | inline void dumpVarGroup ( core::stringc &dest, const SVarGroup * group, s32 stack ) | ||
695 | { | ||
696 | core::stringc buf; | ||
697 | s32 i; | ||
698 | |||
699 | |||
700 | if ( stack > 0 ) | ||
701 | { | ||
702 | buf = ""; | ||
703 | for ( i = 0; i < stack - 1; ++i ) | ||
704 | buf += '\t'; | ||
705 | |||
706 | buf += "{\n"; | ||
707 | dest.append ( buf ); | ||
708 | } | ||
709 | |||
710 | for ( u32 g = 0; g != group->Variable.size(); ++g ) | ||
711 | { | ||
712 | buf = ""; | ||
713 | for ( i = 0; i < stack; ++i ) | ||
714 | buf += '\t'; | ||
715 | |||
716 | buf += group->Variable[g].name; | ||
717 | buf += " "; | ||
718 | buf += group->Variable[g].content; | ||
719 | buf += "\n"; | ||
720 | dest.append ( buf ); | ||
721 | } | ||
722 | |||
723 | if ( stack > 1 ) | ||
724 | { | ||
725 | buf = ""; | ||
726 | for ( i = 0; i < stack - 1; ++i ) | ||
727 | buf += '\t'; | ||
728 | |||
729 | buf += "}\n"; | ||
730 | dest.append ( buf ); | ||
731 | } | ||
732 | |||
733 | } | ||
734 | |||
735 | /*! | ||
736 | dump a Shader or an Entity | ||
737 | */ | ||
738 | inline core::stringc & dumpShader ( core::stringc &dest, const IShader * shader, bool entity = false ) | ||
739 | { | ||
740 | if ( 0 == shader ) | ||
741 | return dest; | ||
742 | |||
743 | const SVarGroup * group; | ||
744 | |||
745 | const u32 size = shader->VarGroup->VariableGroup.size (); | ||
746 | for ( u32 i = 0; i != size; ++i ) | ||
747 | { | ||
748 | group = &shader->VarGroup->VariableGroup[ i ]; | ||
749 | dumpVarGroup ( dest, group, core::clamp( (int)i, 0, 2 ) ); | ||
750 | } | ||
751 | |||
752 | if ( !entity ) | ||
753 | { | ||
754 | if ( size <= 1 ) | ||
755 | { | ||
756 | dest.append ( "{\n" ); | ||
757 | } | ||
758 | dest.append ( "}\n" ); | ||
759 | } | ||
760 | return dest; | ||
761 | } | ||
762 | |||
763 | |||
764 | /* | ||
765 | quake3 doesn't care much about tga & jpg | ||
766 | load one or multiple files stored in name started at startPos to the texture array textures | ||
767 | if texture is not loaded 0 will be added ( to find missing textures easier) | ||
768 | */ | ||
769 | inline void getTextures(tTexArray &textures, | ||
770 | const core::stringc &name, u32 &startPos, | ||
771 | io::IFileSystem *fileSystem, | ||
772 | video::IVideoDriver* driver) | ||
773 | { | ||
774 | static const char* extension[] = | ||
775 | { | ||
776 | ".jpg", | ||
777 | ".jpeg", | ||
778 | ".png", | ||
779 | ".dds", | ||
780 | ".tga", | ||
781 | ".bmp", | ||
782 | ".pcx" | ||
783 | }; | ||
784 | |||
785 | tStringList stringList; | ||
786 | getAsStringList(stringList, -1, name, startPos); | ||
787 | |||
788 | textures.clear(); | ||
789 | |||
790 | io::path loadFile; | ||
791 | for ( u32 i = 0; i!= stringList.size (); ++i ) | ||
792 | { | ||
793 | video::ITexture* texture = 0; | ||
794 | for (u32 g = 0; g != 7 ; ++g) | ||
795 | { | ||
796 | core::cutFilenameExtension ( loadFile, stringList[i] ); | ||
797 | |||
798 | if ( loadFile == "$whiteimage" ) | ||
799 | { | ||
800 | texture = driver->getTexture( "$whiteimage" ); | ||
801 | if ( 0 == texture ) | ||
802 | { | ||
803 | core::dimension2du s ( 2, 2 ); | ||
804 | u32 image[4] = { 0xFFFFFFFF, 0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF }; | ||
805 | video::IImage* w = driver->createImageFromData ( video::ECF_A8R8G8B8, s,&image ); | ||
806 | texture = driver->addTexture( "$whiteimage", w ); | ||
807 | w->drop (); | ||
808 | } | ||
809 | |||
810 | } | ||
811 | else | ||
812 | if ( loadFile == "$redimage" ) | ||
813 | { | ||
814 | texture = driver->getTexture( "$redimage" ); | ||
815 | if ( 0 == texture ) | ||
816 | { | ||
817 | core::dimension2du s ( 2, 2 ); | ||
818 | u32 image[4] = { 0xFFFF0000, 0xFFFF0000,0xFFFF0000,0xFFFF0000 }; | ||
819 | video::IImage* w = driver->createImageFromData ( video::ECF_A8R8G8B8, s,&image ); | ||
820 | texture = driver->addTexture( "$redimage", w ); | ||
821 | w->drop (); | ||
822 | } | ||
823 | } | ||
824 | else | ||
825 | if ( loadFile == "$blueimage" ) | ||
826 | { | ||
827 | texture = driver->getTexture( "$blueimage" ); | ||
828 | if ( 0 == texture ) | ||
829 | { | ||
830 | core::dimension2du s ( 2, 2 ); | ||
831 | u32 image[4] = { 0xFF0000FF, 0xFF0000FF,0xFF0000FF,0xFF0000FF }; | ||
832 | video::IImage* w = driver->createImageFromData ( video::ECF_A8R8G8B8, s,&image ); | ||
833 | texture = driver->addTexture( "$blueimage", w ); | ||
834 | w->drop (); | ||
835 | } | ||
836 | } | ||
837 | else | ||
838 | if ( loadFile == "$checkerimage" ) | ||
839 | { | ||
840 | texture = driver->getTexture( "$checkerimage" ); | ||
841 | if ( 0 == texture ) | ||
842 | { | ||
843 | core::dimension2du s ( 2, 2 ); | ||
844 | u32 image[4] = { 0xFFFFFFFF, 0xFF000000,0xFF000000,0xFFFFFFFF }; | ||
845 | video::IImage* w = driver->createImageFromData ( video::ECF_A8R8G8B8, s,&image ); | ||
846 | texture = driver->addTexture( "$checkerimage", w ); | ||
847 | w->drop (); | ||
848 | } | ||
849 | } | ||
850 | else | ||
851 | if ( loadFile == "$lightmap" ) | ||
852 | { | ||
853 | texture = 0; | ||
854 | } | ||
855 | else | ||
856 | { | ||
857 | loadFile.append ( extension[g] ); | ||
858 | } | ||
859 | |||
860 | if ( fileSystem->existFile ( loadFile ) ) | ||
861 | { | ||
862 | texture = driver->getTexture( loadFile ); | ||
863 | if ( texture ) | ||
864 | break; | ||
865 | texture = 0; | ||
866 | } | ||
867 | } | ||
868 | // take 0 Texture | ||
869 | textures.push_back(texture); | ||
870 | } | ||
871 | } | ||
872 | |||
873 | |||
874 | //! Manages various Quake3 Shader Styles | ||
875 | class IShaderManager : public IReferenceCounted | ||
876 | { | ||
877 | }; | ||
878 | |||
879 | } // end namespace quake3 | ||
880 | } // end namespace scene | ||
881 | } // end namespace irr | ||
882 | |||
883 | #endif | ||
884 | |||